From 72cf0c93df665c7fb64b59d0c12ef6e338f8c5e2 Mon Sep 17 00:00:00 2001
From: Abhishek Sinha <avishkarabhishek786@gmail.com>
Date: Wed, 4 Mar 2020 11:35:30 +0530
Subject: [PATCH] fixed bugs during buys

---
 city e-commerce 0.0.1.html | 11290 ----------------------------------
 index.html                 | 11367 +++++++++++++++++++++++++++++++++++
 2 files changed, 11367 insertions(+), 11290 deletions(-)
 delete mode 100644 city e-commerce 0.0.1.html
 create mode 100644 index.html
diff --git a/city e-commerce 0.0.1.html b/city e-commerce 0.0.1.html
deleted file mode 100644
index 6d2b6b9..0000000
--- a/city e-commerce 0.0.1.html	
+++ /dev/null
@@ -1,11290 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta http-equiv="X-UA-Compatible" content="ie=edge">
-    <link href="https://fonts.googleapis.com/css?family=Merriweather:700|Roboto:300,400,500,700&display=swap" rel="stylesheet">
-    <!-- Bootstrap CSS -->
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
-
-    <title>City e-commerce</title>
-    <style>* {
-        -webkit-box-sizing: border-box;
-                box-sizing: border-box;
-      }
-      
-      :root {
-        font-size: 16px;
-        --primary-color: dodgerblue;
-      }
-      
-      body {
-        margin: 0;
-        background: #f9f9f9;
-      }
-      
-      h1, h2, h3, h4, h5 {
-        font-family: 'Merriweather', serif;
-        color: #333;
-      }
-      
-      p, span, .category, button, div {
-        font-family: 'Roboto', sans-serif;
-      }
-      
-      button {
-        display: -webkit-inline-box;
-        display: -ms-inline-flexbox;
-        display: inline-flex;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-        background: transparent;
-        border: none;
-        border-radius: 0.25rem;
-        font-weight: 500;
-        cursor: pointer;
-        padding: 1rem;
-        font-size: 1rem;
-        outline: none;
-        text-transform: uppercase;
-      }
-      
-      button:hover {
-        background: rgba(0, 0, 0, 0.04);
-        color: var(--primary-color);
-      }
-      
-      button svg {
-        height: 1rem;
-        margin-right: 0.5rem;
-      }
-      
-      svg {
-        -webkit-transition: stroke 0.3s ease, fill 0.3s ease;
-        transition: stroke 0.3s ease, fill 0.3s ease;
-        overflow: visible;
-        stroke-width: 0.5rem;
-        fill: none;
-        stroke: #333;
-      }
-      
-      .hide {
-        pointer-events: none;
-        opacity: 0;
-      }
-      
-      .fill {
-        opacity: 1 !important;
-        background: var(--primary-color) !important;
-      }
-      
-      .fill svg {
-        stroke: white;
-      }
-      
-      .no-transformations {
-        -webkit-transform: none !important;
-                transform: none !important;
-      }
-      
-      #popup-container {
-        display: -ms-grid;
-        display: grid;
-        position: fixed;
-        place-items: center;
-        z-index: 4;
-        top: 0;
-        bottom: 3.8rem;
-        left: 0;
-        right: 0;
-        background: rgba(0, 0, 0, 0.08);
-        -webkit-transition: 0.3s ease;
-        transition: 0.3s ease;
-      }
-      
-      #popup-container .popup {
-        position: relative;
-        width: 100%;
-        -ms-flex-item-align: end;
-            align-self: flex-end;
-        background: white;
-        -webkit-transform: translateY(1rem);
-                transform: translateY(1rem);
-        -webkit-transition: opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
-        transition: opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
-        transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
-        transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
-        -webkit-box-shadow: -0.2rem 0 0.8rem rgba(0, 0, 0, 0.16);
-                box-shadow: -0.2rem 0 0.8rem rgba(0, 0, 0, 0.16);
-      }
-      
-      .categories {
-        list-style: none;
-        padding: 1rem;
-      }
-      
-      .categories .category {
-        padding: 0.5rem 0;
-        margin: 0.2rem 0;
-        opacity: 1;
-      }
-      
-      #header {
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-orient: horizontal;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: row;
-                flex-direction: row;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-        font-family: 'Roboto', sans-serif;
-        padding: 1rem;
-        width: 100%;
-      }
-      
-      #header #logo {
-        margin: auto;
-        text-align: center;
-      }
-      
-      #header #logo svg {
-        height: 1rem;
-      }
-      
-      #header #logo span:first-of-type {
-        font-size: 0.8rem;
-        display: block;
-      }
-      
-      #header #logo span:nth-of-type(2) {
-        font-size: 1rem;
-        font-weight: 500;
-      }
-      
-      #header #basket_btn svg {
-        -webkit-transform-origin: top;
-                transform-origin: top;
-      }
-      
-      #header #basket_btn:hover svg {
-        -webkit-animation: shake 0.6s ease;
-                animation: shake 0.6s ease;
-        stroke: var(--primary-color);
-      }
-      
-      #header #basket_btn:hover svg path:nth-of-type(2) {
-        fill: var(--primary-color);
-      }
-      
-      @-webkit-keyframes shake {
-        0% {
-          -webkit-transform: rotate(0deg);
-                  transform: rotate(0deg);
-        }
-        20% {
-          -webkit-transform: rotate(20deg);
-                  transform: rotate(20deg);
-        }
-        40% {
-          -webkit-transform: rotate(-20deg);
-                  transform: rotate(-20deg);
-        }
-        60% {
-          -webkit-transform: rotate(10deg);
-                  transform: rotate(10deg);
-        }
-        80% {
-          -webkit-transform: rotate(-10deg);
-                  transform: rotate(-10deg);
-        }
-        100% {
-          -webkit-transform: rotate(0deg);
-                  transform: rotate(0deg);
-        }
-      }
-      
-      @keyframes shake {
-        0% {
-          -webkit-transform: rotate(0deg);
-                  transform: rotate(0deg);
-        }
-        20% {
-          -webkit-transform: rotate(20deg);
-                  transform: rotate(20deg);
-        }
-        40% {
-          -webkit-transform: rotate(-20deg);
-                  transform: rotate(-20deg);
-        }
-        60% {
-          -webkit-transform: rotate(10deg);
-                  transform: rotate(10deg);
-        }
-        80% {
-          -webkit-transform: rotate(-10deg);
-                  transform: rotate(-10deg);
-        }
-        100% {
-          -webkit-transform: rotate(0deg);
-                  transform: rotate(0deg);
-        }
-      }
-      
-      .title-text {
-        display: -webkit-inline-box;
-        display: -ms-inline-flexbox;
-        display: inline-flex;
-        -webkit-box-orient: horizontal;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: row;
-                flex-direction: row;
-        padding: 0 0.5rem;
-        position: relative;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-      }
-      
-      .title-text svg {
-        stroke: #333333;
-        stroke-width: 0.5rem;
-        height: 2rem;
-        margin-right: 0.5rem;
-        fill: none;
-        overflow: visible;
-      }
-      
-      .title-text h2 {
-        margin: 0 0 0.25em 0;
-      }
-      
-      .title-text div {
-        position: absolute;
-        bottom: 0;
-        height: 0.2rem;
-        background: #333;
-        -webkit-transition: width 0.3s ease;
-        transition: width 0.3s ease;
-      }
-      
-      #product_container {
-        position: relative;
-        display: -ms-grid;
-        display: grid;
-        gap: 0.5rem;
-        -ms-grid-columns: (auto)[2];
-            grid-template-columns: repeat(2, auto);
-        width: 100%;
-        padding: 1.5rem 0.5rem 4rem 0.5rem;
-      }
-      
-      .product-card {
-        position: relative;
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-orient: vertical;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: column;
-                flex-direction: column;
-        cursor: pointer;
-        -webkit-tap-highlight-color: transparent;
-        -webkit-transition: -webkit-box-shadow 0.3s ease;
-        transition: -webkit-box-shadow 0.3s ease;
-        transition: box-shadow 0.3s ease;
-        transition: box-shadow 0.3s ease, -webkit-box-shadow 0.3s ease;
-      }
-      
-      .product-card .add-to-basket {
-        position: absolute;
-        border-radius: 0.25rem;
-        right: 0;
-        padding: 0.5rem;
-        background: white;
-        margin: 0.5rem;
-        -webkit-transition: opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
-        transition: opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
-        transition: transform .3s ease, opacity  0.3s ease, background 0.3s ease;
-        transition: transform .3s ease, opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
-      }
-      
-      .product-card .add-to-basket svg {
-        width: 1rem;
-        margin-right: 0;
-        pointer-events: none;
-      }
-      
-      .product-card .add-to-basket svg line {
-        -webkit-transition: -webkit-transform 0.3s ease;
-        transition: -webkit-transform 0.3s ease;
-        transition: transform 0.3s ease;
-        transition: transform 0.3s ease, -webkit-transform 0.3s ease;
-        -webkit-transform-origin: center;
-                transform-origin: center;
-      }
-      
-      .product-card .add-to-basket:active {
-        -webkit-transform: scale(0.8);
-                transform: scale(0.8);
-      }
-      
-      .product-card picture {
-        width: 100%;
-        background: #eee;
-        border-radius: 0.25rem;
-      }
-      
-      .product-card .product-info {
-        padding: 1rem 0.5rem;
-        margin-top: 0.5rem;
-        display: -ms-grid;
-        display: grid;
-        -ms-grid-columns: auto auto;
-            grid-template-columns: auto auto;
-        -ms-grid-rows: auto auto;
-            grid-template-rows: auto auto;
-            grid-template-areas: 'product price'
-       'ratings buy';
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-        gap: 0.5rem;
-      }
-      
-      .product-card .product-name {
-        -ms-grid-row: 1;
-        -ms-grid-column: 1;
-        grid-area: product;
-        text-overflow: ellipsis;
-        white-space: nowrap;
-        text-transform: capitalize;
-      }
-      
-      .product-card .price {
-        -ms-grid-row: 1;
-        -ms-grid-column: 2;
-        grid-area: price;
-        justify-self: flex-end;
-        font-weight: 500;
-      }
-      
-      .product-card .price span {
-        font-size: 1rem;
-      }
-      
-      .product-card .buy {
-        -ms-grid-row: 2;
-        -ms-grid-column: 2;
-        grid-area: buy;
-        justify-self: flex-end;
-        padding: 0.25em 0.5em;
-        color: var(--primary-color);
-        -webkit-box-flex: 1;
-            -ms-flex: 1;
-                flex: 1;
-      }
-      
-      .rating {
-        -ms-grid-row: 2;
-        -ms-grid-column: 1;
-        grid-area: ratings;
-        display: -webkit-inline-box;
-        display: -ms-inline-flexbox;
-        display: inline-flex;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-        justify-self: flex-start;
-        color: white;
-        padding: 0.5rem;
-        border-radius: 0.25rem;
-        font-size: 0.7rem;
-      }
-      
-      .rating svg {
-        height: 0.9rem;
-        fill: white;
-        stroke: none;
-        margin-right: 0.25rem;
-      }
-      
-      .rating .numeric-rating {
-        margin-right: 0.25rem;
-      }
-      
-      #product_page {
-        position: absolute;
-        -ms-grid-columns: auto;
-            grid-template-columns: auto;
-        grid-auto-rows: -webkit-min-content;
-        grid-auto-rows: min-content;
-        gap: 1rem;
-        padding: 1.5rem 0.5rem 4rem 0.5rem;
-      }
-      
-      #product_page header {
-        padding: 0.5rem 0;
-      }
-      
-      #product_page div, #product_page button {
-        margin-bottom: 1rem;
-      }
-      
-      #product_page div:first-of-type div:first-of-type {
-        font-size: 0.8rem;
-        margin-bottom: 0.25rem;
-      }
-      
-      #product_page div:first-of-type div:nth-of-type(2) {
-        font-weight: 500;
-        font-size: 1.5rem;
-      }
-      
-      #product_page div:first-of-type div:nth-of-type(3) {
-        font-size: 0.8rem;
-        background: forestgreen;
-        padding: 0.5rem;
-      }
-      
-      #product_page div:first-of-type div:nth-of-type(4) {
-        font-size: 2rem;
-        font-weight: 500;
-      }
-      
-      #product_page div:first-of-type button {
-        padding: 0.5rem;
-      }
-      
-      #product_page div:first-of-type button:first-of-type {
-        background: var(--primary-color);
-        color: white;
-        border: 0.1rem solid var(--primary-color);
-      }
-      
-      #product_page div:first-of-type button:nth-of-type(2) {
-        border: 0.1rem solid var(--primary-color);
-        color: var(--primary-color);
-      }
-      
-      #bottom_nav {
-        position: fixed;
-        z-index: 4;
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-orient: horizontal;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: row;
-                flex-direction: row;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-        border-top: 1px solid rgba(0, 0, 0, 0.08);
-        bottom: 0;
-        width: 100%;
-        background: #f9f9f9;
-      }
-      
-      #bottom_nav .nav-item {
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-orient: vertical;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: column;
-                flex-direction: column;
-        padding: 0.5rem;
-        width: 100%;
-        -webkit-box-align: center;
-            -ms-flex-align: center;
-                align-items: center;
-      }
-      
-      #bottom_nav .nav-item svg {
-        height: 1.2rem;
-        width: 1.2rem;
-        margin: 0.5rem;
-        fill: none;
-        stroke-width: 0.5rem;
-        overflow: visible;
-        stroke: #333;
-      }
-      
-      #bottom_nav .nav-item span {
-        font-size: 0.6rem;
-        font-weight: 500;
-      }
-      
-      #bottom_nav .nav-item:nth-of-type(2) svg path:nth-of-type(3) {
-        stroke-dashoffset: 0;
-        stroke-dasharray: 60;
-        -webkit-transition: stroke-dashoffset 0.3s ease;
-        transition: stroke-dashoffset 0.3s ease;
-      }
-      
-      #bottom_nav .nav-item:nth-of-type(2):hover svg {
-        stroke: var(--primary-color);
-      }
-      
-      #bottom_nav .nav-item:nth-of-type(2):hover svg path:nth-of-type(1) {
-        fill: var(--primary-color);
-      }
-      
-      #bottom_nav .nav-item:nth-of-type(2):hover svg path:nth-of-type(3) {
-        stroke-dashoffset: 30;
-      }
-      
-      .popup h3 {
-        padding: 0 1rem;
-      }
-      
-      .popup ul {
-        padding: 0 1rem;
-      }
-      
-      .popup .category {
-        padding: 0.6rem 0;
-      }
-      
-      #toast {
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-orient: horizontal;
-        -webkit-box-direction: normal;
-            -ms-flex-direction: row;
-                flex-direction: row;
-        position: fixed;
-        bottom: 4rem;
-        width: 90%;
-        left: 50%;
-        -webkit-transform: translateX(-50%);
-                transform: translateX(-50%);
-        background: white;
-        padding: 1rem;
-        margin: 1rem 0;
-        -webkit-box-shadow: 0.2rem 0.4rem 0.5rem rgba(0, 0, 0, 0.16), 0 0 0.1rem rgba(0, 0, 0, 0.08);
-                box-shadow: 0.2rem 0.4rem 0.5rem rgba(0, 0, 0, 0.16), 0 0 0.1rem rgba(0, 0, 0, 0.08);
-        -webkit-transition: opacity 0.4s ease;
-        transition: opacity 0.4s ease;
-      }
-      
-      .switch line:first-of-type {
-        -webkit-transform: rotate(-90deg);
-                transform: rotate(-90deg);
-      }
-      
-      .switch line:nth-of-type(2) {
-        -webkit-transform: rotate(-180deg);
-                transform: rotate(-180deg);
-      }
-      
-      @media only screen and (max-width: 640px) {
-        .hide-on-mobile {
-          display: none;
-        }
-      }
-      
-      @media only screen and (min-width: 640px) {
-        ::-webkit-scrollbar {
-          width: 0.6rem;
-          height: 0.25rem;
-        }
-        ::-webkit-scrollbar-track {
-          background: transparent;
-        }
-        ::-webkit-scrollbar-thumb {
-          background: rgba(0, 0, 0, 0.2);
-        }
-        ::-webkit-scrollbar-thumb:hover {
-          background: rgba(0, 0, 0, 0.4);
-        }
-        .hide-on-desktop {
-          display: none;
-        }
-        #product_container {
-          gap: 1rem;
-          -ms-grid-columns: (auto)[2];
-              grid-template-columns: repeat(2, auto);
-        }
-        .page {
-          position: relative;
-          padding: 0 2vw;
-          display: -ms-grid;
-          display: grid;
-        }
-        #homepage {
-          -ms-grid-columns: 14rem auto;
-              grid-template-columns: 14rem auto;
-              grid-template-areas: 'sidebar content';
-          gap: 2rem;
-        }
-        #homepage .left {
-          -ms-grid-row: 1;
-          -ms-grid-column: 1;
-          grid-area: sidebar;
-        }
-        #homepage .left h3 {
-          margin-top: 0;
-          position: -webkit-sticky;
-          position: sticky;
-          top: 2rem;
-        }
-        #homepage .left .categories {
-          position: -webkit-sticky;
-          position: sticky;
-          top: 4.5rem;
-          padding: 0;
-          border-right: thin solid rgba(0, 0, 0, 0.16);
-        }
-        #homepage .left .categories .category {
-          padding: 0.5rem 0;
-          margin: 0.2rem 0;
-          border-right: 0.2rem solid transparent;
-          opacity: 0.6;
-        }
-        #homepage .left .categories .category:hover {
-          cursor: pointer;
-          opacity: 1;
-        }
-        #homepage .left .categories .active {
-          border-right: 0.3rem solid rgba(0, 0, 0, 0.8);
-          font-weight: normal;
-          opacity: 1;
-        }
-        #homepage .right {
-          position: relative;
-          -ms-grid-row: 1;
-          -ms-grid-column: 2;
-          grid-area: content;
-        }
-        #product_page {
-          -ms-grid-columns: 1fr 4fr;
-              grid-template-columns: 1fr 4fr;
-          -ms-grid-rows: min-content auto;
-              grid-template-rows: -webkit-min-content auto;
-              grid-template-rows: min-content auto;
-              grid-template-areas: 'head head'
-       'picture info';
-          gap: 1rem 2rem;
-          padding: 1.5rem 2vw 4rem 2vw;
-        }
-        #product_page header {
-          -ms-grid-row: 1;
-          -ms-grid-column: 1;
-          -ms-grid-column-span: 2;
-          grid-area: head;
-        }
-        #product_page picture {
-          -ms-grid-row: 2;
-          -ms-grid-column: 1;
-          grid-area: picture;
-          background: rgba(0, 0, 0, 0.04);
-          width: 100%;
-          height: 100%;
-        }
-        #product_page div:first-of-type {
-          -ms-grid-row: 2;
-          -ms-grid-column: 2;
-          grid-area: info;
-        }
-        #header {
-          padding: 1.5rem 2vw;
-        }
-        #header #logo {
-          margin: 0;
-          text-align: left;
-        }
-        #header button:first-of-type {
-          margin-left: auto;
-        }
-        #header button:nth-of-type(2) {
-          margin-left: 0.5rem;
-        }
-        #header button:nth-of-type(2) svg path:nth-of-type(3) {
-          stroke-dashoffset: 0;
-          stroke-dasharray: 60;
-          -webkit-transition: stroke-dashoffset 0.3s ease;
-          transition: stroke-dashoffset 0.3s ease;
-        }
-        #header button:nth-of-type(2):hover svg {
-          stroke: var(--primary-color);
-        }
-        #header button:nth-of-type(2):hover svg path:nth-of-type(1) {
-          fill: var(--primary-color);
-        }
-        #header button:nth-of-type(2):hover svg path:nth-of-type(3) {
-          stroke-dashoffset: 30;
-        }
-        #bottom_nav {
-          display: none;
-        }
-        #toast {
-          left: auto;
-          right: 0;
-          width: auto;
-          bottom: 0;
-          -webkit-transform: none;
-                  transform: none;
-          margin: 2rem;
-        }
-        .add-to-basket {
-          opacity: 0;
-        }
-        .product-card:hover .add-to-basket {
-          opacity: 1;
-        }
-      }
-      
-      @media only screen and (min-width: 800px) {
-        #product_container {
-          -ms-grid-columns: (auto)[3];
-              grid-template-columns: repeat(3, auto);
-        }
-      }
-      
-      @media only screen and (min-width: 1100px) {
-        #header {
-          padding: 2rem 4vw;
-        }
-        .page {
-          padding: 0 4vw !important;
-        }
-        #product_container {
-          -ms-grid-columns: (auto)[4];
-              grid-template-columns: repeat(4, auto);
-        }
-        .product-card {
-          max-width: 20vw;
-        }
-      }
-      
-      @media all and (device-width: 768px) and (device-height: 1024px) and (orientation: portrait) {
-        .add-to-basket {
-          opacity: 1;
-        }
-      }
-      
-      @media all and (device-width: 1024px) and (device-height: 768px) and (orientation: landscape) {
-        .add-to-basket {
-          opacity: 1;
-        }
-      }
-      /*# sourceMappingURL=main.css.map */
-      .hidden {
-        display: none;
-      }
-      </style>
-</head>
-<script>
-    /* Constants for FLO blockchain operations !!Make sure to add this at begining!! */
-    const floGlobals = {
-  
-      //Required for all
-      blockchain: "FLO",
-  
-      //Required for blockchain API operators
-      apiURL: {
-        FLO: ['https://explorer.mediciland.com/', 'https://livenet.flocha.in/', 'https://flosight.duckdns.org/', 'http://livenet-explorer.floexperiments.com/'],
-        FLO_TEST: ['https://testnet-flosight.duckdns.org/', 'https://testnet.flocha.in/']
-      },
-      adminID: "FNU7DncTsfMc6BJsA1s8Ai23yDotFpagKf",
-  
-      //Required for Supernode operations
-      SNStorageID: "FEzk75EGMPEQMrCuPosGiwuK162hcEu49E",
-      supernodes: {}, //each supnernode must be stored as floID : {uri:<uri>,pubKey:<publicKey>}
-  
-      //for cloud apps
-      subAdmins: ['F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp'],
-      application: "eCommerce", 
-      vectorClock: {},
-      appObjects: {},
-      generalData: {},
-      generalVC: {}
-    }
-  </script>
-  
-<body onload="onLoadStartUp()">
-    <!-- templates-->
-    <template id="product">
-        <div class="product-card">
-            <picture>
-                <source srcset="">
-                <img src="" alt="">
-            </picture>
-            <div class="product-info">
-                <span class="product-name"></span>
-                <span class="price"><span>&#8377;</span><span></span></span>
-                <span class="rating">
-                    <svg viewBox="0 0 69.81 69.69">
-                        <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
-                        c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
-                        c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
-                        c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"/>
-                    </svg>
-                    <span class="numeric-rating"></span>
-                    <span class="reviews"></span>
-                </span>
-                <button class="buy">Buy</button>
-            </div>
-            <button class="add-to-basket" title="Add to basket for buying together">
-                <svg viewBox="0 0 72 72">
-                    <line x1="36" y1="0" x2="36" y2="72"/>
-                    <line x1="0" y1="36" x2="72" y2="36"/>
-                </svg>
-            </button>
-        </div>
-    </template>
-    <div id="popup-container" class="hide">
-        <div id="category_list" class="popup hide">
-            <h3>Categories</h3>
-            <ul class="categories">
-                <li class="category">Deal of the day</li>
-                <li class="active category">Under 500</li>
-                <li class="category">Daily items</li>
-                <li class="category">Local services</li>
-                <li class="category">My local shops</li>
-                <li class="category">My matched shops</li>
-            </ul>
-        </div>
-    </div>
-    <header id="header">
-        <div id="logo">
-            <span>RanchiMall</span>
-            <span>City E-COMMERCE</span>
-        </div>
-        <button id="basket_btn" class="hide-on-mobile">
-            <svg viewBox="0 0 55 73">
-            <g>
-                <path d="M40.03,23.93l-0.05-8.89c0-8.03-5.6-14.54-12.5-14.54s-12.5,6.51-12.5,14.54l0.05,8.89"/>
-                <path d="M45.61,72.5H9.39c-3.43,0-6.3-3.75-6.61-8.65l-2.25-35.4c-0.35-5.57,2.71-10.37,6.61-10.37h40.72
-                    c3.9,0,6.96,4.8,6.61,10.37l-2.25,35.4C51.91,68.75,49.05,72.5,45.61,72.5z"/>
-                <ellipse cx="14.92" cy="26.36" rx="2.16" ry="2.47"/>
-                <ellipse cx="40.05" cy="26.36" rx="2.16" ry="2.47"/>
-            </g>
-            </svg>
-            Basket
-            </button class="hide-on-mobile">
-        <button id="" class="hide-on-mobile">
-            <svg viewBox="0 0 55 73.5">
-            <g>
-                <path d="M47.75,73H7.25c-3.73,0-6.75-3.02-6.75-6.75v-40.5C0.5,22.02,3.52,19,7.25,19h5.06h30.37h5.06
-                    c3.73,0,6.75,3.02,6.75,6.75v40.5C54.5,69.98,51.48,73,47.75,73z"/>
-                <path d="M0.5,29.84"/>
-                <path d="M12.31,19l0-5.21c0-7.34,6.8-13.29,15.19-13.29s15.19,5.95,15.19,13.29V19"/>
-            </g>
-            </svg>
-            Log in</button>
-    </header>       
-    <section id="homepage" class="page">
-        <div class="left hide-on-mobile">
-            <h3>Categories</h3>
-            <ul class="categories">
-                <li class="category">Deal of the day</li>
-                <li class="active category">Under 500</li>
-                <li class="category">Daily items</li>
-                <li class="category">Local services</li>
-                <li class="category">My local shops</li>
-                <li class="category">My matched shops</li>
-            </ul>
-        </div>
-        <div class="right">
-            <div class="title-text">
-                <svg viewBox="0 0 75.78 102.31">
-                <path d="M59.06,22.05c2,9-2.18,16.48-5,19c1-8-18-20-14-40c-52,33-37.79,76-37.79,76c2.24,10.49,9.59,19.25,19.5,23.9
-                c-0.59-1.18-1.04-2.43-1.32-3.74c0,0-3.98-15.99,7.16-26.65c2.13-2.36,10.52-8.33,8.58-18.01c25.19,15.99,18.93,44.66,18.93,44.66
-                c-0.3,1.43-0.8,2.79-1.47,4.06c10.27-4.56,17.9-13.48,20.19-24.22C73.85,77.05,82.06,44.05,59.06,22.05z"/>
-                </svg>
-                <span>
-                    <h2>Under 500</h2>
-                    <div></div>
-                </span>
-            </div>
-            <div id="product_container">
-            </div>
-        </div>
-    </section>
-    <!--<section id="product_page" class="page hide">
-        <header>Category</header>
-        <picture>
-            <source>
-        </picture>
-        <div>
-            <div>Seller</div>
-            <div>Product Name</div>
-            <div class="rating">
-                <svg viewBox="0 0 69.81 69.69">
-                    <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
-                    c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
-                    c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
-                    c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"/>
-                </svg>
-                <span class="numeric-rating">4.5</span>
-                <span class="reviews">(300)</span>
-            </div>
-            <div class="price"><span>&#8377;</span><span>400</span></div>
-            <button class="buy">Buy</button>
-            <button>Add to basket</button>
-            <div>Description</div>
-            <p>
-                Lorem ipsum dolor sit amet consectetur adipisicing elit. A fuga, laudantium magnam exercitationem, maxime cumque id saepe, placeat alias suscipit in repellendus impedit eius nesciunt harum. Asperiores amet natus odio.
-            </p>
-        </div>
-    </section>-->
-    <nav id="bottom_nav" class="hide-on-desktop">
-        <div class="nav-item" onclick="popup('show','category_list')">
-            <svg id="menu_btn" viewBox="0 0 18 14">
-                <g data-name="Group 10" transform="translate(-23.5 -55.5)">
-                  <line data-name="Line 7" x2="16" transform="translate(24.5 56.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
-                  <line data-name="Line 8" x2="16" transform="translate(24.5 62.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
-                  <line data-name="Line 9" x2="8" transform="translate(24.5 68.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
-                </g>
-            </svg>
-            <span>Categories</span>
-        </div>
-        <div class="nav-item">
-            <svg viewBox="0 0 55 73.5">
-                <g>
-                    <path d="M47.75,73H7.25c-3.73,0-6.75-3.02-6.75-6.75v-40.5C0.5,22.02,3.52,19,7.25,19h5.06h30.37h5.06
-                        c3.73,0,6.75,3.02,6.75,6.75v40.5C54.5,69.98,51.48,73,47.75,73z"/>
-                    <path d="M0.5,29.84"/>
-                    <path d="M12.31,19l0-5.21c0-7.34,6.8-13.29,15.19-13.29s15.19,5.95,15.19,13.29V19"/>
-                </g>
-            </svg> 
-            <span>Log in</span>
-        </div>
-    </nav>
-    <div id="toast" class="hide">
-        <span>Action done</span>
-    </div>
-
-    <!-- Order Checkout Modal -->
-
-    <div class="modal fade" id="checkoutModal" tabindex="-1" role="dialog" aria-labelledby="checkoutModalModalLabel" aria-hidden="true">
-        <div class="modal-dialog" role="document">
-        <div class="modal-content">
-            <div class="modal-header">
-                <h5 class="modal-title" id="checkoutModalModalLabel">Bill Preview</h5>
-                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
-                    <span aria-hidden="true">&times;</span>
-                </button>
-            </div>
-            <div class="modal-body">
-                <div id="billPreview"></div>
-                <label for="item_delivery_addr">Delivery Address:</label>
-                <textarea class="form-control" id="item_delivery_addr" cols="30" rows="10"></textarea>
-            </div>
-            <div class="modal-footer">
-                <button type="button" onclick="ecommerce.loggedInUser.user_info.checkout(true)" class="btn btn-secondary" >Pay Using Wallet</button>
-                <button type="button" onclick="ecommerce.loggedInUser.user_info.checkout(false)" class="btn btn-primary">Pay Using UPI</button>
-            </div>
-        </div>
-        </div>
-    </div>
-    <script>
-        let productDb = [
-            {
-                name: 'something',
-                seller: '...',
-                price: 200,
-                rating: 4.5,
-                reviews: 200,
-            },
-            {
-                name: 'something2',
-                seller: '...',
-                price: 400,
-                rating: 3.5,
-                reviews: 200,
-            },
-            {
-                name: 'something3',
-                seller: '...',
-                price: 400,
-                rating: 2.5,
-                reviews: 200,
-            },
-            {
-                name: 'something4',
-                seller: '...',
-                price: 400,
-                rating: 1.5,
-                reviews: 200,
-            },
-            {
-                name: 'something5',
-                seller: '...',
-                price: 400,
-                rating: 0.5,
-                reviews: 200,
-            }
-        ]
-        let render = {
-            productCard: function(name, price, rating, reviews){
-                let productContainer = document.getElementById('product_container'),
-                    product = document.getElementById('product'),
-                    clone = product.content.cloneNode(true),
-                    productInfo = clone.children[0].children[1],
-                    color = '';
-                productInfo.children[0].textContent = name;
-                productInfo.children[1].children[1].textContent = price;
-                if(rating >=0 && rating < 1)
-                    color = 'red'                 
-                else if(rating >= 1 && rating < 2)
-                    color = 'tomato'               
-                else if(rating >= 2 && rating < 3)
-                    color = 'darkorange'             
-                else if(rating >= 3 && rating < 4)
-                    color = 'limegreen'                   
-                else
-                    color = 'forestgreen'      
-                productInfo.children[2].children[1].textContent = rating;
-                productInfo.children[2].children[2].textContent = `(${reviews})`;
-                productInfo.children[2].setAttribute('style', `background: ${color}`) 
-                productContainer.appendChild(clone)
-            }
-        }
-
-        productDb.forEach((product) => {
-            render.productCard(product.name, product.price, product.rating, product.reviews);
-        })
-
-        let categoryList = document.querySelectorAll('.category'),
-            titleText = document.querySelector('.title-text'),
-            textWidth = titleText.children[1].children[0].getBoundingClientRect().width;
-            titleText.children[1].children[1].setAttribute('style', `width: ${textWidth/1.5}px`)
-        document.querySelectorAll('.categories').forEach((category) => {
-            category.addEventListener('click', (event) => {
-                if(event.target.classList.contains('category')){
-                    categoryList.forEach((cat) => {
-                        cat.classList.remove('active')
-                    })
-                    event.target.classList.add('active')
-                    titleText.children[1].children[0].textContent = event.target.textContent;
-                    textWidth = titleText.children[1].children[0].getBoundingClientRect().width;
-                    titleText.children[1].children[1].setAttribute('style', `width: ${textWidth/1.5}px`)
-                    popup('hide','category_list')
-                }
-            })
-        })
-
-
-        let allItems = document.querySelectorAll('.product-card'),
-            width = allItems[0].firstElementChild.getBoundingClientRect().width;
-            window.addEventListener('resize', ()=>{
-                width = allItems[0].firstElementChild.getBoundingClientRect().width; 
-                allItems.forEach((item) => {
-                    item.firstElementChild.setAttribute('style', `height: ${width}px`)
-                })
-            })
-        allItems.forEach((item) => {
-            item.firstElementChild.setAttribute('style', `height: ${width}px`)
-        })
-        function showToast(messege = '')
-        {
-            let toast = document.getElementById('toast');
-            toast.firstElementChild.textContent = messege;
-            if(toast.classList.contains('hide'))
-                toast.classList.remove('hide');
-            setTimeout(() => {
-                toast.classList.add('hide')
-            },3000)
-
-        }
-        document.getElementById('product_container').addEventListener('click', (event) => {
-            if(event.target.classList.contains('add-to-basket')){
-                event.target.firstElementChild.classList.toggle('switch');
-                event.target.classList.toggle('fill')
-                if(event.target.firstElementChild.classList.contains('switch')){
-                    showToast(`Added item to basket`);
-                }
-                else{
-                    showToast(`Removed item from basket`);
-                }
-            }
-        })
-
-        function popup(display, popup){
-            let thisPopup = document.getElementById(popup);
-            if(display === 'show' && thisPopup.classList.contains('hide')){
-                thisPopup.classList.remove('hide')
-                thisPopup.classList.add('no-transformations')
-                document.getElementById('popup-container').classList.remove('hide')
-            }
-            else{
-                thisPopup.classList.add('hide')
-                thisPopup.classList.remove('no-transformations')
-                document.getElementById('popup-container').classList.add('hide')
-            }
-        }
-
-        document.getElementById('popup-container').addEventListener('click', (event) => {
-            if(event.target.id === 'popup-container'){
-                document.querySelectorAll('.popup').forEach((popup) => {
-                    popup.classList.add('hide')
-                    popup.classList.remove('no-transformations')
-                })
-                event.target.classList.add('hide')
-            }
-        })
-    </script>
-</body>
-<script>
-    function showMessage(msg) {
-        return;
-        document.getElementById('show_log_events').textContent = msg;
-        if (document.getElementById('loader_container').classList.contains('hide')) {
-            //showLoader()
-            setTimeout(() => {
-                hideLoader()
-            }, 1000);
-        }
-    }
-    function showLoader() {
-        let spinner = document.getElementById('loader_container');
-        spinner.firstElementChild.classList.add('pulse');
-        spinner.classList.remove('hide');
-    }
-    function hideLoader() {
-        let spinner = document.getElementById('loader_container');
-        spinner.firstElementChild.classList.remove('pulse');
-        spinner.classList.add('hide');
-    }
-
-</script>
-
-<script id="init_lib">
-    //All util libraries required for Standard operations (DO NOT EDIT ANY)
-
-    /* Reactor Event handling */
-    if (typeof reactor == "undefined" || !reactor) {
-        (function () {
-            function Event(name) {
-                this.name = name;
-                this.callbacks = [];
-            }
-
-            Event.prototype.registerCallback = function (callback) {
-                this.callbacks.push(callback);
-            };
-
-            function Reactor() {
-                this.events = {};
-            }
-
-            Reactor.prototype.registerEvent = function (eventName) {
-                var event = new Event(eventName);
-                this.events[eventName] = event;
-            };
-
-            Reactor.prototype.dispatchEvent = function (eventName, eventArgs) {
-                this.events[eventName].callbacks.forEach(function (callback) {
-                    callback(eventArgs);
-                });
-            };
-
-            Reactor.prototype.addEventListener = function (eventName, callback) {
-                this.events[eventName].registerCallback(callback);
-            };
-
-            window.reactor = new Reactor();
-        })();
-    }
-
-    /* Sample Usage
-      --Creating and defining the event--
-      reactor.registerEvent('<eventName>');
-      reactor.addEventListener('<eventName>', function(someObject){
-        do something...
-      });
-      --Firing the event--
-      reactor.dispatchEvent('<eventName>',<someObject>);
-    */
-
-
-    /*!
-    * Crypto-JS v2.5.4  Crypto.js
-    * http://code.google.com/p/crypto-js/
-    * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-    * http://code.google.com/p/crypto-js/wiki/License
-    */
-    if (typeof Crypto == "undefined" || !Crypto.util) {
-        (function () {
-
-            var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-            // Global Crypto object
-            var Crypto = window.Crypto = {};
-
-            // Crypto utilities
-            var util = Crypto.util = {
-
-                // Bit-wise rotate left
-                rotl: function (n, b) {
-                    return (n << b) | (n >>> (32 - b));
-                },
-
-                // Bit-wise rotate right
-                rotr: function (n, b) {
-                    return (n << (32 - b)) | (n >>> b);
-                },
-
-                // Swap big-endian to little-endian and vice versa
-                endian: function (n) {
-
-                    // If number given, swap endian
-                    if (n.constructor == Number) {
-                        return util.rotl(n, 8) & 0x00FF00FF |
-                            util.rotl(n, 24) & 0xFF00FF00;
-                    }
-
-                    // Else, assume array and swap all items
-                    for (var i = 0; i < n.length; i++)
-                        n[i] = util.endian(n[i]);
-                    return n;
-
-                },
-
-                // Generate an array of any length of random bytes
-                randomBytes: function (n) {
-                    for (var bytes = []; n > 0; n--)
-                        bytes.push(Math.floor(Math.random() * 256));
-                    return bytes;
-                },
-
-                // Convert a byte array to big-endian 32-bit words
-                bytesToWords: function (bytes) {
-                    for (var words = [], i = 0, b = 0; i < bytes.length; i++ , b += 8)
-                        words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
-                    return words;
-                },
-
-                // Convert big-endian 32-bit words to a byte array
-                wordsToBytes: function (words) {
-                    for (var bytes = [], b = 0; b < words.length * 32; b += 8)
-                        bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
-                    return bytes;
-                },
-
-                // Convert a byte array to a hex string
-                bytesToHex: function (bytes) {
-                    for (var hex = [], i = 0; i < bytes.length; i++) {
-                        hex.push((bytes[i] >>> 4).toString(16));
-                        hex.push((bytes[i] & 0xF).toString(16));
-                    }
-                    return hex.join("");
-                },
-
-                // Convert a hex string to a byte array
-                hexToBytes: function (hex) {
-                    for (var bytes = [], c = 0; c < hex.length; c += 2)
-                        bytes.push(parseInt(hex.substr(c, 2), 16));
-                    return bytes;
-                },
-
-                // Convert a byte array to a base-64 string
-                bytesToBase64: function (bytes) {
-                    for (var base64 = [], i = 0; i < bytes.length; i += 3) {
-                        var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
-                        for (var j = 0; j < 4; j++) {
-                            if (i * 8 + j * 6 <= bytes.length * 8)
-                                base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
-                            else base64.push("=");
-                        }
-                    }
-
-                    return base64.join("");
-                },
-
-                // Convert a base-64 string to a byte array
-                base64ToBytes: function (base64) {
-                    // Remove non-base-64 characters
-                    base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
-
-                    for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
-                        if (imod4 == 0) continue;
-                        bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
-                            (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
-                    }
-
-                    return bytes;
-                }
-
-            };
-
-            // Crypto character encodings
-            var charenc = Crypto.charenc = {};
-
-            // UTF-8 encoding
-            var UTF8 = charenc.UTF8 = {
-
-                // Convert a string to a byte array
-                stringToBytes: function (str) {
-                    return Binary.stringToBytes(unescape(encodeURIComponent(str)));
-                },
-
-                // Convert a byte array to a string
-                bytesToString: function (bytes) {
-                    return decodeURIComponent(escape(Binary.bytesToString(bytes)));
-                }
-
-            };
-
-            // Binary encoding
-            var Binary = charenc.Binary = {
-
-                // Convert a string to a byte array
-                stringToBytes: function (str) {
-                    for (var bytes = [], i = 0; i < str.length; i++)
-                        bytes.push(str.charCodeAt(i) & 0xFF);
-                    return bytes;
-                },
-
-                // Convert a byte array to a string
-                bytesToString: function (bytes) {
-                    for (var str = [], i = 0; i < bytes.length; i++)
-                        str.push(String.fromCharCode(bytes[i]));
-                    return str.join("");
-                }
-
-            };
-
-        })();
-    }
-
-
-
-    //Adding SHA1 to fix basic PKBDF2
-    /*
-     * Crypto-JS v2.5.4
-     * http://code.google.com/p/crypto-js/
-     * (c) 2009-2012 by Jeff Mott. All rights reserved.
-     * http://code.google.com/p/crypto-js/wiki/License
-     */
-    (function () {
-
-        // Shortcuts
-        var C = Crypto,
-            util = C.util,
-            charenc = C.charenc,
-            UTF8 = charenc.UTF8,
-            Binary = charenc.Binary;
-
-        // Public API
-        var SHA1 = C.SHA1 = function (message, options) {
-            var digestbytes = util.wordsToBytes(SHA1._sha1(message));
-            return options && options.asBytes ? digestbytes :
-                options && options.asString ? Binary.bytesToString(digestbytes) :
-                    util.bytesToHex(digestbytes);
-        };
-
-        // The core
-        SHA1._sha1 = function (message) {
-
-            // Convert to byte array
-            if (message.constructor == String) message = UTF8.stringToBytes(message);
-            /* else, assume byte array already */
-
-            var m = util.bytesToWords(message),
-                l = message.length * 8,
-                w = [],
-                H0 = 1732584193,
-                H1 = -271733879,
-                H2 = -1732584194,
-                H3 = 271733878,
-                H4 = -1009589776;
-
-            // Padding
-            m[l >> 5] |= 0x80 << (24 - l % 32);
-            m[((l + 64 >>> 9) << 4) + 15] = l;
-
-            for (var i = 0; i < m.length; i += 16) {
-
-                var a = H0,
-                    b = H1,
-                    c = H2,
-                    d = H3,
-                    e = H4;
-
-                for (var j = 0; j < 80; j++) {
-
-                    if (j < 16) w[j] = m[i + j];
-                    else {
-                        var n = w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16];
-                        w[j] = (n << 1) | (n >>> 31);
-                    }
-
-                    var t = ((H0 << 5) | (H0 >>> 27)) + H4 + (w[j] >>> 0) + (
-                        j < 20 ? (H1 & H2 | ~H1 & H3) + 1518500249 :
-                            j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
-                                j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
-                                    (H1 ^ H2 ^ H3) - 899497514);
-
-                    H4 = H3;
-                    H3 = H2;
-                    H2 = (H1 << 30) | (H1 >>> 2);
-                    H1 = H0;
-                    H0 = t;
-
-                }
-
-                H0 += a;
-                H1 += b;
-                H2 += c;
-                H3 += d;
-                H4 += e;
-
-            }
-
-            return [H0, H1, H2, H3, H4];
-
-        };
-
-        // Package private blocksize
-        SHA1._blocksize = 16;
-
-        SHA1._digestsize = 20;
-
-    })();
-
-    //Added to make PKBDF2 work
-    /*
-     * Crypto-JS v2.5.4
-     * http://code.google.com/p/crypto-js/
-     * (c) 2009-2012 by Jeff Mott. All rights reserved.
-     * http://code.google.com/p/crypto-js/wiki/License
-     */
-    (function () {
-
-        // Shortcuts
-        var C = Crypto,
-            util = C.util,
-            charenc = C.charenc,
-            UTF8 = charenc.UTF8,
-            Binary = charenc.Binary;
-
-        C.HMAC = function (hasher, message, key, options) {
-
-            // Convert to byte arrays
-            if (message.constructor == String) message = UTF8.stringToBytes(message);
-            if (key.constructor == String) key = UTF8.stringToBytes(key);
-            /* else, assume byte arrays already */
-
-            // Allow arbitrary length keys
-            if (key.length > hasher._blocksize * 4)
-                key = hasher(key, {
-                    asBytes: true
-                });
-
-            // XOR keys with pad constants
-            var okey = key.slice(0),
-                ikey = key.slice(0);
-            for (var i = 0; i < hasher._blocksize * 4; i++) {
-                okey[i] ^= 0x5C;
-                ikey[i] ^= 0x36;
-            }
-
-            var hmacbytes = hasher(okey.concat(hasher(ikey.concat(message), {
-                asBytes: true
-            })), {
-                asBytes: true
-            });
-
-            return options && options.asBytes ? hmacbytes :
-                options && options.asString ? Binary.bytesToString(hmacbytes) :
-                    util.bytesToHex(hmacbytes);
-
-        };
-
-    })();
-
-
-    //crypto-sha256-hmac.js
-    /*
-     * Crypto-JS v2.5.4
-     * http://code.google.com/p/crypto-js/
-     * (c) 2009-2012 by Jeff Mott. All rights reserved.
-     * http://code.google.com/p/crypto-js/wiki/License
-     */
-
-    function ascii_to_hexa(str) {
-        var arr1 = [];
-        for (var n = 0, l = str.length; n < l; n++) {
-            var hex = Number(str.charCodeAt(n)).toString(16);
-            arr1.push(hex);
-        }
-        return arr1.join('');
-    }
-
-
-    (typeof Crypto == "undefined" || !Crypto.util) && function () {
-        var d = window.Crypto = {},
-            k = d.util = {
-                rotl: function (b, a) {
-                    return b << a | b >>> 32 - a
-                },
-                rotr: function (b, a) {
-                    return b << 32 - a | b >>> a
-                },
-                endian: function (b) {
-                    if (b.constructor == Number) return k.rotl(b, 8) & 16711935 | k.rotl(b, 24) & 4278255360;
-                    for (var a = 0; a < b.length; a++) b[a] = k.endian(b[a]);
-                    return b
-                },
-                randomBytes: function (b) {
-                    for (var a = []; b > 0; b--) a.push(Math.floor(Math.random() * 256));
-                    return a
-                },
-                bytesToWords: function (b) {
-                    for (var a = [], c = 0, e = 0; c < b.length; c++ , e += 8) a[e >>> 5] |= (b[c] & 255) <<
-                        24 - e % 32;
-                    return a
-                },
-                wordsToBytes: function (b) {
-                    for (var a = [], c = 0; c < b.length * 32; c += 8) a.push(b[c >>> 5] >>> 24 - c % 32 & 255);
-                    return a
-                },
-                bytesToHex: function (b) {
-                    for (var a = [], c = 0; c < b.length; c++) a.push((b[c] >>> 4).toString(16)), a.push((b[c] &
-                        15).toString(16));
-                    return a.join("")
-                },
-                hexToBytes: function (b) {
-                    for (var a = [], c = 0; c < b.length; c += 2) a.push(parseInt(b.substr(c, 2), 16));
-                    return a
-                },
-                bytesToBase64: function (b) {
-                    for (var a = [], c = 0; c < b.length; c += 3)
-                        for (var e = b[c] << 16 | b[c + 1] << 8 | b[c + 2], p = 0; p < 4; p++) c * 8 + p * 6 <=
-                            b.length * 8 ? a.push(
-                                "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e >>>
-                                    6 * (3 - p) & 63)) : a.push("=");
-                    return a.join("")
-                },
-                base64ToBytes: function (b) {
-                    for (var b = b.replace(/[^A-Z0-9+\/]/ig, ""), a = [], c = 0, e = 0; c < b.length; e = ++c %
-                        4) e != 0 && a.push(("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
-                            .indexOf(b.charAt(c - 1)) & Math.pow(2, -2 * e + 8) - 1) << e * 2 |
-                            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(b.charAt(
-                                c)) >>> 6 - e * 2);
-                    return a
-                }
-            },
-            d = d.charenc = {};
-        d.UTF8 = {
-            stringToBytes: function (b) {
-                return g.stringToBytes(unescape(encodeURIComponent(b)))
-            },
-            bytesToString: function (b) {
-                return decodeURIComponent(escape(g.bytesToString(b)))
-            }
-        };
-        var g = d.Binary = {
-            stringToBytes: function (b) {
-                for (var a = [], c = 0; c < b.length; c++) a.push(b.charCodeAt(c) & 255);
-                return a
-            },
-            bytesToString: function (b) {
-                for (var a = [], c = 0; c < b.length; c++) a.push(String.fromCharCode(b[c]));
-                return a.join("")
-            }
-        }
-    }();
-    (function () {
-        var d = Crypto,
-            k = d.util,
-            g = d.charenc,
-            b = g.UTF8,
-            a = g.Binary,
-            c = [1116352408, 1899447441, 3049323471, 3921009573, 961987163, 1508970993, 2453635748, 2870763221,
-                3624381080, 310598401, 607225278, 1426881987, 1925078388, 2162078206, 2614888103, 3248222580,
-                3835390401, 4022224774, 264347078, 604807628, 770255983, 1249150122, 1555081692, 1996064986,
-                2554220882, 2821834349, 2952996808, 3210313671, 3336571891, 3584528711, 113926993, 338241895,
-                666307205, 773529912, 1294757372, 1396182291, 1695183700, 1986661051, 2177026350, 2456956037,
-                2730485921,
-                2820302411, 3259730800, 3345764771, 3516065817, 3600352804, 4094571909, 275423344, 430227734,
-                506948616, 659060556, 883997877, 958139571, 1322822218, 1537002063, 1747873779, 1955562222,
-                2024104815, 2227730452, 2361852424, 2428436474, 2756734187, 3204031479, 3329325298
-            ],
-            e = d.SHA256 = function (b, c) {
-                var f = k.wordsToBytes(e._sha256(b));
-                return c && c.asBytes ? f : c && c.asString ? a.bytesToString(f) : k.bytesToHex(f)
-            };
-        e._sha256 = function (a) {
-            a.constructor == String && (a = b.stringToBytes(a));
-            var e = k.bytesToWords(a),
-                f = a.length * 8,
-                a = [1779033703, 3144134277,
-                    1013904242, 2773480762, 1359893119, 2600822924, 528734635, 1541459225
-                ],
-                d = [],
-                g, m, r, i, n, o, s, t, h, l, j;
-            e[f >> 5] |= 128 << 24 - f % 32;
-            e[(f + 64 >> 9 << 4) + 15] = f;
-            for (t = 0; t < e.length; t += 16) {
-                f = a[0];
-                g = a[1];
-                m = a[2];
-                r = a[3];
-                i = a[4];
-                n = a[5];
-                o = a[6];
-                s = a[7];
-                for (h = 0; h < 64; h++) {
-                    h < 16 ? d[h] = e[h + t] : (l = d[h - 15], j = d[h - 2], d[h] = ((l << 25 | l >>> 7) ^
-                        (l << 14 | l >>> 18) ^ l >>> 3) + (d[h - 7] >>> 0) + ((j << 15 | j >>> 17) ^
-                            (j << 13 | j >>> 19) ^ j >>> 10) + (d[h - 16] >>> 0));
-                    j = f & g ^ f & m ^ g & m;
-                    var u = (f << 30 | f >>> 2) ^ (f << 19 | f >>> 13) ^ (f << 10 | f >>> 22);
-                    l = (s >>> 0) + ((i << 26 | i >>> 6) ^ (i << 21 | i >>> 11) ^ (i << 7 | i >>> 25)) +
-                        (i & n ^ ~i & o) + c[h] + (d[h] >>> 0);
-                    j = u + j;
-                    s = o;
-                    o = n;
-                    n = i;
-                    i = r + l >>> 0;
-                    r = m;
-                    m = g;
-                    g = f;
-                    f = l + j >>> 0
-                }
-                a[0] += f;
-                a[1] += g;
-                a[2] += m;
-                a[3] += r;
-                a[4] += i;
-                a[5] += n;
-                a[6] += o;
-                a[7] += s
-            }
-            return a
-        };
-        e._blocksize = 16;
-        e._digestsize = 32
-    })();
-    (function () {
-        var d = Crypto,
-            k = d.util,
-            g = d.charenc,
-            b = g.UTF8,
-            a = g.Binary;
-        d.HMAC = function (c, e, d, g) {
-            e.constructor == String && (e = b.stringToBytes(e));
-            d.constructor == String && (d = b.stringToBytes(d));
-            d.length > c._blocksize * 4 && (d = c(d, {
-                asBytes: !0
-            }));
-            for (var f = d.slice(0), d = d.slice(0), q = 0; q < c._blocksize * 4; q++) f[q] ^= 92, d[q] ^=
-                54;
-            c = c(f.concat(c(d.concat(e), {
-                asBytes: !0
-            })), {
-                asBytes: !0
-            });
-            return g && g.asBytes ? c : g && g.asString ? a.bytesToString(c) : k.bytesToHex(c)
-        }
-    })();
-
-
-    /*!
-    * Random number generator with ArcFour PRNG
-    *
-    * NOTE: For best results, put code like
-    * <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
-    * in your main HTML document.
-    *
-    * Copyright Tom Wu, bitaddress.org  BSD License.
-    * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-    */
-    (function () {
-
-        // Constructor function of Global SecureRandom object
-        var sr = window.SecureRandom = function () { };
-
-        // Properties
-        sr.state;
-        sr.pool;
-        sr.pptr;
-        sr.poolCopyOnInit;
-
-        // Pool size must be a multiple of 4 and greater than 32.
-        // An array of bytes the size of the pool will be passed to init()
-        sr.poolSize = 256;
-
-        // --- object methods ---
-
-        // public method
-        // ba: byte array
-        sr.prototype.nextBytes = function (ba) {
-            var i;
-            if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-                try {
-                    var rvBytes = new Uint8Array(ba.length);
-                    window.crypto.getRandomValues(rvBytes);
-                    for (i = 0; i < ba.length; ++i)
-                        ba[i] = sr.getByte() ^ rvBytes[i];
-                    return;
-                } catch (e) {
-                    alert(e);
-                }
-            }
-            for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
-        };
-
-
-        // --- static methods ---
-
-        // Mix in the current time (w/milliseconds) into the pool
-        // NOTE: this method should be called from body click/keypress event handlers to increase entropy
-        sr.seedTime = function () {
-            sr.seedInt(new Date().getTime());
-        }
-
-        sr.getByte = function () {
-            if (sr.state == null) {
-                sr.seedTime();
-                sr.state = sr.ArcFour(); // Plug in your RNG constructor here
-                sr.state.init(sr.pool);
-                sr.poolCopyOnInit = [];
-                for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
-                    sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
-                sr.pptr = 0;
-            }
-            // TODO: allow reseeding after first request
-            return sr.state.next();
-        }
-
-        // Mix in a 32-bit integer into the pool
-        sr.seedInt = function (x) {
-            sr.seedInt8(x);
-            sr.seedInt8((x >> 8));
-            sr.seedInt8((x >> 16));
-            sr.seedInt8((x >> 24));
-        }
-
-        // Mix in a 16-bit integer into the pool
-        sr.seedInt16 = function (x) {
-            sr.seedInt8(x);
-            sr.seedInt8((x >> 8));
-        }
-
-        // Mix in a 8-bit integer into the pool
-        sr.seedInt8 = function (x) {
-            sr.pool[sr.pptr++] ^= x & 255;
-            if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
-        }
-
-        // Arcfour is a PRNG
-        sr.ArcFour = function () {
-            function Arcfour() {
-                this.i = 0;
-                this.j = 0;
-                this.S = new Array();
-            }
-
-            // Initialize arcfour context from key, an array of ints, each from [0..255]
-            function ARC4init(key) {
-                var i, j, t;
-                for (i = 0; i < 256; ++i)
-                    this.S[i] = i;
-                j = 0;
-                for (i = 0; i < 256; ++i) {
-                    j = (j + this.S[i] + key[i % key.length]) & 255;
-                    t = this.S[i];
-                    this.S[i] = this.S[j];
-                    this.S[j] = t;
-                }
-                this.i = 0;
-                this.j = 0;
-            }
-
-            function ARC4next() {
-                var t;
-                this.i = (this.i + 1) & 255;
-                this.j = (this.j + this.S[this.i]) & 255;
-                t = this.S[this.i];
-                this.S[this.i] = this.S[this.j];
-                this.S[this.j] = t;
-                return this.S[(t + this.S[this.i]) & 255];
-            }
-
-            Arcfour.prototype.init = ARC4init;
-            Arcfour.prototype.next = ARC4next;
-
-            return new Arcfour();
-        };
-
-
-        // Initialize the pool with junk if needed.
-        if (sr.pool == null) {
-            sr.pool = new Array();
-            sr.pptr = 0;
-            var t;
-            if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-                try {
-                    // Use webcrypto if available
-                    var ua = new Uint8Array(sr.poolSize);
-                    window.crypto.getRandomValues(ua);
-                    for (t = 0; t < sr.poolSize; ++t)
-                        sr.pool[sr.pptr++] = ua[t];
-                } catch (e) { alert(e); }
-            }
-            while (sr.pptr < sr.poolSize) {  // extract some randomness from Math.random()
-                t = Math.floor(65536 * Math.random());
-                sr.pool[sr.pptr++] = t >>> 8;
-                sr.pool[sr.pptr++] = t & 255;
-            }
-            sr.pptr = Math.floor(sr.poolSize * Math.random());
-            sr.seedTime();
-            // entropy
-            var entropyStr = "";
-            // screen size and color depth: ~4.8 to ~5.4 bits
-            entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
-            entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
-            // time zone offset: ~4 bits
-            var dateObj = new Date();
-            var timeZoneOffset = dateObj.getTimezoneOffset();
-            entropyStr += timeZoneOffset;
-            // user agent: ~8.3 to ~11.6 bits
-            entropyStr += navigator.userAgent;
-            // browser plugin details: ~16.2 to ~21.8 bits
-            var pluginsStr = "";
-            for (var i = 0; i < navigator.plugins.length; i++) {
-                pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
-            }
-            var mimeTypesStr = "";
-            for (var i = 0; i < navigator.mimeTypes.length; i++) {
-                mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
-            }
-            entropyStr += pluginsStr + mimeTypesStr;
-            // cookies and storage: 1 bit
-            entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
-            // language: ~7 bit
-            entropyStr += navigator.language;
-            // history: ~2 bit
-            entropyStr += window.history.length;
-            // location
-            entropyStr += window.location;
-
-            var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
-            for (var i = 0; i < entropyBytes.length; i++) {
-                sr.seedInt8(entropyBytes[i]);
-            }
-        }
-    })();
-
-
-    //ripemd160.js
-    /*
-    CryptoJS v3.1.2
-    code.google.com/p/crypto-js
-    (c) 2009-2013 by Jeff Mott. All rights reserved.
-    code.google.com/p/crypto-js/wiki/License
-    */
-    /** @preserve
-    (c) 2012 by Cédric Mesnil. All rights reserved.
-    Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
-        - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
-        - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-    */
-
-    // Constants table
-    var zl = [
-        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-        7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
-        3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
-        1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
-        4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-    ];
-    var zr = [
-        5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-        6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-        15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-        8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-        12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-    ];
-    var sl = [
-        11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
-        7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
-        11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
-        11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
-        9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-    ];
-    var sr = [
-        8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-        9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-        9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-        15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-        8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-    ];
-
-    var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E];
-    var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000];
-
-    var bytesToWords = function (bytes) {
-        var words = [];
-        for (var i = 0, b = 0; i < bytes.length; i++ , b += 8) {
-            words[b >>> 5] |= bytes[i] << (24 - b % 32);
-        }
-        return words;
-    };
-
-    var wordsToBytes = function (words) {
-        var bytes = [];
-        for (var b = 0; b < words.length * 32; b += 8) {
-            bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
-        }
-        return bytes;
-    };
-
-    var processBlock = function (H, M, offset) {
-
-        // Swap endian
-        for (var i = 0; i < 16; i++) {
-            var offset_i = offset + i;
-            var M_offset_i = M[offset_i];
-
-            // Swap
-            M[offset_i] = (
-                (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
-                (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
-            );
-        }
-
-        // Working variables
-        var al, bl, cl, dl, el;
-        var ar, br, cr, dr, er;
-
-        ar = al = H[0];
-        br = bl = H[1];
-        cr = cl = H[2];
-        dr = dl = H[3];
-        er = el = H[4];
-        // Computation
-        var t;
-        for (var i = 0; i < 80; i += 1) {
-            t = (al + M[offset + zl[i]]) | 0;
-            if (i < 16) {
-                t += f1(bl, cl, dl) + hl[0];
-            } else if (i < 32) {
-                t += f2(bl, cl, dl) + hl[1];
-            } else if (i < 48) {
-                t += f3(bl, cl, dl) + hl[2];
-            } else if (i < 64) {
-                t += f4(bl, cl, dl) + hl[3];
-            } else { // if (i<80) {
-                t += f5(bl, cl, dl) + hl[4];
-            }
-            t = t | 0;
-            t = rotl(t, sl[i]);
-            t = (t + el) | 0;
-            al = el;
-            el = dl;
-            dl = rotl(cl, 10);
-            cl = bl;
-            bl = t;
-
-            t = (ar + M[offset + zr[i]]) | 0;
-            if (i < 16) {
-                t += f5(br, cr, dr) + hr[0];
-            } else if (i < 32) {
-                t += f4(br, cr, dr) + hr[1];
-            } else if (i < 48) {
-                t += f3(br, cr, dr) + hr[2];
-            } else if (i < 64) {
-                t += f2(br, cr, dr) + hr[3];
-            } else { // if (i<80) {
-                t += f1(br, cr, dr) + hr[4];
-            }
-            t = t | 0;
-            t = rotl(t, sr[i]);
-            t = (t + er) | 0;
-            ar = er;
-            er = dr;
-            dr = rotl(cr, 10);
-            cr = br;
-            br = t;
-        }
-        // Intermediate hash value
-        t = (H[1] + cl + dr) | 0;
-        H[1] = (H[2] + dl + er) | 0;
-        H[2] = (H[3] + el + ar) | 0;
-        H[3] = (H[4] + al + br) | 0;
-        H[4] = (H[0] + bl + cr) | 0;
-        H[0] = t;
-    };
-
-    function f1(x, y, z) {
-        return ((x) ^ (y) ^ (z));
-    }
-
-    function f2(x, y, z) {
-        return (((x) & (y)) | ((~x) & (z)));
-    }
-
-    function f3(x, y, z) {
-        return (((x) | (~(y))) ^ (z));
-    }
-
-    function f4(x, y, z) {
-        return (((x) & (z)) | ((y) & (~(z))));
-    }
-
-    function f5(x, y, z) {
-        return ((x) ^ ((y) | (~(z))));
-    }
-
-    function rotl(x, n) {
-        return (x << n) | (x >>> (32 - n));
-    }
-
-    function ripemd160(message) {
-        var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0];
-
-        var m = bytesToWords(message);
-
-        var nBitsLeft = message.length * 8;
-        var nBitsTotal = message.length * 8;
-
-        // Add padding
-        m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
-        m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
-            (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
-            (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
-        );
-
-        for (var i = 0; i < m.length; i += 16) {
-            processBlock(H, m, i);
-        }
-
-        // Swap endian
-        for (var i = 0; i < 5; i++) {
-            // Shortcut
-            var H_i = H[i];
-
-            // Swap
-            H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
-                (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
-        }
-
-        var digestbytes = wordsToBytes(H);
-        return digestbytes;
-    }
-
-
-
-
-
-
-    // Upstream 'BigInteger' here:
-    // Original Author: http://www-cs-students.stanford.edu/~tjw/jsbn/
-    // Follows 'jsbn' on Github: https://github.com/jasondavies/jsbn
-    // Review and Testing: https://github.com/cryptocoinjs/bigi/
-    /*!
-    * Basic JavaScript BN library - subset useful for RSA encryption. v1.4
-    *
-    * Copyright (c) 2005  Tom Wu
-    * All Rights Reserved.
-    * BSD License
-    * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-    *
-    * Copyright Stephan Thomas
-    * Copyright pointbiz
-    */
-
-    (function () {
-
-        // (public) Constructor function of Global BigInteger object
-        var BigInteger = window.BigInteger = function BigInteger(a, b, c) {
-            if (!(this instanceof BigInteger))
-                return new BigInteger(a, b, c);
-
-            if (a != null)
-                if ("number" == typeof a) this.fromNumber(a, b, c);
-                else if (b == null && "string" != typeof a) this.fromString(a, 256);
-                else this.fromString(a, b);
-        };
-
-        // Bits per digit
-        var dbits;
-
-        // JavaScript engine analysis
-        var canary = 0xdeadbeefcafe;
-        var j_lm = ((canary & 0xffffff) == 0xefcafe);
-
-        // return new, unset BigInteger
-        function nbi() {
-            return new BigInteger(null);
-        }
-
-        // am: Compute w_j += (x*this_i), propagate carries,
-        // c is initial carry, returns final carry.
-        // c < 3*dvalue, x < 2*dvalue, this_i < dvalue
-        // We need to select the fastest one that works in this environment.
-
-        // am1: use a single mult and divide to get the high bits,
-        // max digit bits should be 26 because
-        // max internal value = 2*dvalue^2-2*dvalue (< 2^53)
-        function am1(i, x, w, j, c, n) {
-            while (--n >= 0) {
-                var v = x * this[i++] + w[j] + c;
-                c = Math.floor(v / 0x4000000);
-                w[j++] = v & 0x3ffffff;
-            }
-            return c;
-        }
-        // am2 avoids a big mult-and-extract completely.
-        // Max digit bits should be <= 30 because we do bitwise ops
-        // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
-        function am2(i, x, w, j, c, n) {
-            var xl = x & 0x7fff,
-                xh = x >> 15;
-            while (--n >= 0) {
-                var l = this[i] & 0x7fff;
-                var h = this[i++] >> 15;
-                var m = xh * l + h * xl;
-                l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff);
-                c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30);
-                w[j++] = l & 0x3fffffff;
-            }
-            return c;
-        }
-        // Alternately, set max digit bits to 28 since some
-        // browsers slow down when dealing with 32-bit numbers.
-        function am3(i, x, w, j, c, n) {
-            var xl = x & 0x3fff,
-                xh = x >> 14;
-            while (--n >= 0) {
-                var l = this[i] & 0x3fff;
-                var h = this[i++] >> 14;
-                var m = xh * l + h * xl;
-                l = xl * l + ((m & 0x3fff) << 14) + w[j] + c;
-                c = (l >> 28) + (m >> 14) + xh * h;
-                w[j++] = l & 0xfffffff;
-            }
-            return c;
-        }
-        if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
-            BigInteger.prototype.am = am2;
-            dbits = 30;
-        } else if (j_lm && (navigator.appName != "Netscape")) {
-            BigInteger.prototype.am = am1;
-            dbits = 26;
-        } else { // Mozilla/Netscape seems to prefer am3
-            BigInteger.prototype.am = am3;
-            dbits = 28;
-        }
-
-        BigInteger.prototype.DB = dbits;
-        BigInteger.prototype.DM = ((1 << dbits) - 1);
-        BigInteger.prototype.DV = (1 << dbits);
-
-        var BI_FP = 52;
-        BigInteger.prototype.FV = Math.pow(2, BI_FP);
-        BigInteger.prototype.F1 = BI_FP - dbits;
-        BigInteger.prototype.F2 = 2 * dbits - BI_FP;
-
-        // Digit conversions
-        var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
-        var BI_RC = new Array();
-        var rr, vv;
-        rr = "0".charCodeAt(0);
-        for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
-        rr = "a".charCodeAt(0);
-        for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-        rr = "A".charCodeAt(0);
-        for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-
-        function int2char(n) {
-            return BI_RM.charAt(n);
-        }
-
-        function intAt(s, i) {
-            var c = BI_RC[s.charCodeAt(i)];
-            return (c == null) ? -1 : c;
-        }
-
-
-
-        // return bigint initialized to value
-        function nbv(i) {
-            var r = nbi();
-            r.fromInt(i);
-            return r;
-        }
-
-
-        // returns bit length of the integer x
-        function nbits(x) {
-            var r = 1,
-                t;
-            if ((t = x >>> 16) != 0) {
-                x = t;
-                r += 16;
-            }
-            if ((t = x >> 8) != 0) {
-                x = t;
-                r += 8;
-            }
-            if ((t = x >> 4) != 0) {
-                x = t;
-                r += 4;
-            }
-            if ((t = x >> 2) != 0) {
-                x = t;
-                r += 2;
-            }
-            if ((t = x >> 1) != 0) {
-                x = t;
-                r += 1;
-            }
-            return r;
-        }
-
-
-
-
-
-
-
-        // (protected) copy this to r
-        BigInteger.prototype.copyTo = function (r) {
-            for (var i = this.t - 1; i >= 0; --i) r[i] = this[i];
-            r.t = this.t;
-            r.s = this.s;
-        };
-
-
-        // (protected) set from integer value x, -DV <= x < DV
-        BigInteger.prototype.fromInt = function (x) {
-            this.t = 1;
-            this.s = (x < 0) ? -1 : 0;
-            if (x > 0) this[0] = x;
-            else if (x < -1) this[0] = x + this.DV;
-            else this.t = 0;
-        };
-
-        // (protected) set from string and radix
-        BigInteger.prototype.fromString = function (s, b) {
-            var k;
-            if (b == 16) k = 4;
-            else if (b == 8) k = 3;
-            else if (b == 256) k = 8; // byte array
-            else if (b == 2) k = 1;
-            else if (b == 32) k = 5;
-            else if (b == 4) k = 2;
-            else {
-                this.fromRadix(s, b);
-                return;
-            }
-            this.t = 0;
-            this.s = 0;
-            var i = s.length,
-                mi = false,
-                sh = 0;
-            while (--i >= 0) {
-                var x = (k == 8) ? s[i] & 0xff : intAt(s, i);
-                if (x < 0) {
-                    if (s.charAt(i) == "-") mi = true;
-                    continue;
-                }
-                mi = false;
-                if (sh == 0)
-                    this[this.t++] = x;
-                else if (sh + k > this.DB) {
-                    this[this.t - 1] |= (x & ((1 << (this.DB - sh)) - 1)) << sh;
-                    this[this.t++] = (x >> (this.DB - sh));
-                } else
-                    this[this.t - 1] |= x << sh;
-                sh += k;
-                if (sh >= this.DB) sh -= this.DB;
-            }
-            if (k == 8 && (s[0] & 0x80) != 0) {
-                this.s = -1;
-                if (sh > 0) this[this.t - 1] |= ((1 << (this.DB - sh)) - 1) << sh;
-            }
-            this.clamp();
-            if (mi) BigInteger.ZERO.subTo(this, this);
-        };
-
-
-        // (protected) clamp off excess high words
-        BigInteger.prototype.clamp = function () {
-            var c = this.s & this.DM;
-            while (this.t > 0 && this[this.t - 1] == c)--this.t;
-        };
-
-        // (protected) r = this << n*DB
-        BigInteger.prototype.dlShiftTo = function (n, r) {
-            var i;
-            for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i];
-            for (i = n - 1; i >= 0; --i) r[i] = 0;
-            r.t = this.t + n;
-            r.s = this.s;
-        };
-
-        // (protected) r = this >> n*DB
-        BigInteger.prototype.drShiftTo = function (n, r) {
-            for (var i = n; i < this.t; ++i) r[i - n] = this[i];
-            r.t = Math.max(this.t - n, 0);
-            r.s = this.s;
-        };
-
-
-        // (protected) r = this << n
-        BigInteger.prototype.lShiftTo = function (n, r) {
-            var bs = n % this.DB;
-            var cbs = this.DB - bs;
-            var bm = (1 << cbs) - 1;
-            var ds = Math.floor(n / this.DB),
-                c = (this.s << bs) & this.DM,
-                i;
-            for (i = this.t - 1; i >= 0; --i) {
-                r[i + ds + 1] = (this[i] >> cbs) | c;
-                c = (this[i] & bm) << bs;
-            }
-            for (i = ds - 1; i >= 0; --i) r[i] = 0;
-            r[ds] = c;
-            r.t = this.t + ds + 1;
-            r.s = this.s;
-            r.clamp();
-        };
-
-
-        // (protected) r = this >> n
-        BigInteger.prototype.rShiftTo = function (n, r) {
-            r.s = this.s;
-            var ds = Math.floor(n / this.DB);
-            if (ds >= this.t) {
-                r.t = 0;
-                return;
-            }
-            var bs = n % this.DB;
-            var cbs = this.DB - bs;
-            var bm = (1 << bs) - 1;
-            r[0] = this[ds] >> bs;
-            for (var i = ds + 1; i < this.t; ++i) {
-                r[i - ds - 1] |= (this[i] & bm) << cbs;
-                r[i - ds] = this[i] >> bs;
-            }
-            if (bs > 0) r[this.t - ds - 1] |= (this.s & bm) << cbs;
-            r.t = this.t - ds;
-            r.clamp();
-        };
-
-
-        // (protected) r = this - a
-        BigInteger.prototype.subTo = function (a, r) {
-            var i = 0,
-                c = 0,
-                m = Math.min(a.t, this.t);
-            while (i < m) {
-                c += this[i] - a[i];
-                r[i++] = c & this.DM;
-                c >>= this.DB;
-            }
-            if (a.t < this.t) {
-                c -= a.s;
-                while (i < this.t) {
-                    c += this[i];
-                    r[i++] = c & this.DM;
-                    c >>= this.DB;
-                }
-                c += this.s;
-            } else {
-                c += this.s;
-                while (i < a.t) {
-                    c -= a[i];
-                    r[i++] = c & this.DM;
-                    c >>= this.DB;
-                }
-                c -= a.s;
-            }
-            r.s = (c < 0) ? -1 : 0;
-            if (c < -1) r[i++] = this.DV + c;
-            else if (c > 0) r[i++] = c;
-            r.t = i;
-            r.clamp();
-        };
-
-
-        // (protected) r = this * a, r != this,a (HAC 14.12)
-        // "this" should be the larger one if appropriate.
-        BigInteger.prototype.multiplyTo = function (a, r) {
-            var x = this.abs(),
-                y = a.abs();
-            var i = x.t;
-            r.t = i + y.t;
-            while (--i >= 0) r[i] = 0;
-            for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t);
-            r.s = 0;
-            r.clamp();
-            if (this.s != a.s) BigInteger.ZERO.subTo(r, r);
-        };
-
-
-        // (protected) r = this^2, r != this (HAC 14.16)
-        BigInteger.prototype.squareTo = function (r) {
-            var x = this.abs();
-            var i = r.t = 2 * x.t;
-            while (--i >= 0) r[i] = 0;
-            for (i = 0; i < x.t - 1; ++i) {
-                var c = x.am(i, x[i], r, 2 * i, 0, 1);
-                if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
-                    r[i + x.t] -= x.DV;
-                    r[i + x.t + 1] = 1;
-                }
-            }
-            if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1);
-            r.s = 0;
-            r.clamp();
-        };
-
-
-
-        // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
-        // r != q, this != m.  q or r may be null.
-        BigInteger.prototype.divRemTo = function (m, q, r) {
-            var pm = m.abs();
-            if (pm.t <= 0) return;
-            var pt = this.abs();
-            if (pt.t < pm.t) {
-                if (q != null) q.fromInt(0);
-                if (r != null) this.copyTo(r);
-                return;
-            }
-            if (r == null) r = nbi();
-            var y = nbi(),
-                ts = this.s,
-                ms = m.s;
-            var nsh = this.DB - nbits(pm[pm.t - 1]); // normalize modulus
-            if (nsh > 0) {
-                pm.lShiftTo(nsh, y);
-                pt.lShiftTo(nsh, r);
-            } else {
-                pm.copyTo(y);
-                pt.copyTo(r);
-            }
-            var ys = y.t;
-            var y0 = y[ys - 1];
-            if (y0 == 0) return;
-            var yt = y0 * (1 << this.F1) + ((ys > 1) ? y[ys - 2] >> this.F2 : 0);
-            var d1 = this.FV / yt,
-                d2 = (1 << this.F1) / yt,
-                e = 1 << this.F2;
-            var i = r.t,
-                j = i - ys,
-                t = (q == null) ? nbi() : q;
-            y.dlShiftTo(j, t);
-            if (r.compareTo(t) >= 0) {
-                r[r.t++] = 1;
-                r.subTo(t, r);
-            }
-            BigInteger.ONE.dlShiftTo(ys, t);
-            t.subTo(y, y); // "negative" y so we can replace sub with am later
-            while (y.t < ys) y[y.t++] = 0;
-            while (--j >= 0) {
-                // Estimate quotient digit
-                var qd = (r[--i] == y0) ? this.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2);
-                if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
-                    y.dlShiftTo(j, t);
-                    r.subTo(t, r);
-                    while (r[i] < --qd) r.subTo(t, r);
-                }
-            }
-            if (q != null) {
-                r.drShiftTo(ys, q);
-                if (ts != ms) BigInteger.ZERO.subTo(q, q);
-            }
-            r.t = ys;
-            r.clamp();
-            if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
-            if (ts < 0) BigInteger.ZERO.subTo(r, r);
-        };
-
-
-        // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
-        // justification:
-        //         xy == 1 (mod m)
-        //         xy =  1+km
-        //   xy(2-xy) = (1+km)(1-km)
-        // x[y(2-xy)] = 1-k^2m^2
-        // x[y(2-xy)] == 1 (mod m^2)
-        // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
-        // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
-        // JS multiply "overflows" differently from C/C++, so care is needed here.
-        BigInteger.prototype.invDigit = function () {
-            if (this.t < 1) return 0;
-            var x = this[0];
-            if ((x & 1) == 0) return 0;
-            var y = x & 3; // y == 1/x mod 2^2
-            y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
-            y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
-            y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
-            // last step - calculate inverse mod DV directly;
-            // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
-            y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
-            // we really want the negative inverse, and -DV < y < DV
-            return (y > 0) ? this.DV - y : -y;
-        };
-
-
-        // (protected) true iff this is even
-        BigInteger.prototype.isEven = function () {
-            return ((this.t > 0) ? (this[0] & 1) : this.s) == 0;
-        };
-
-
-        // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
-        BigInteger.prototype.exp = function (e, z) {
-            if (e > 0xffffffff || e < 1) return BigInteger.ONE;
-            var r = nbi(),
-                r2 = nbi(),
-                g = z.convert(this),
-                i = nbits(e) - 1;
-            g.copyTo(r);
-            while (--i >= 0) {
-                z.sqrTo(r, r2);
-                if ((e & (1 << i)) > 0) z.mulTo(r2, g, r);
-                else {
-                    var t = r;
-                    r = r2;
-                    r2 = t;
-                }
-            }
-            return z.revert(r);
-        };
-
-
-        // (public) return string representation in given radix
-        BigInteger.prototype.toString = function (b) {
-            if (this.s < 0) return "-" + this.negate().toString(b);
-            var k;
-            if (b == 16) k = 4;
-            else if (b == 8) k = 3;
-            else if (b == 2) k = 1;
-            else if (b == 32) k = 5;
-            else if (b == 4) k = 2;
-            else return this.toRadix(b);
-            var km = (1 << k) - 1,
-                d, m = false,
-                r = "",
-                i = this.t;
-            var p = this.DB - (i * this.DB) % k;
-            if (i-- > 0) {
-                if (p < this.DB && (d = this[i] >> p) > 0) {
-                    m = true;
-                    r = int2char(d);
-                }
-                while (i >= 0) {
-                    if (p < k) {
-                        d = (this[i] & ((1 << p) - 1)) << (k - p);
-                        d |= this[--i] >> (p += this.DB - k);
-                    } else {
-                        d = (this[i] >> (p -= k)) & km;
-                        if (p <= 0) {
-                            p += this.DB;
-                            --i;
-                        }
-                    }
-                    if (d > 0) m = true;
-                    if (m) r += int2char(d);
-                }
-            }
-            return m ? r : "0";
-        };
-
-
-        // (public) -this
-        BigInteger.prototype.negate = function () {
-            var r = nbi();
-            BigInteger.ZERO.subTo(this, r);
-            return r;
-        };
-
-        // (public) |this|
-        BigInteger.prototype.abs = function () {
-            return (this.s < 0) ? this.negate() : this;
-        };
-
-        // (public) return + if this > a, - if this < a, 0 if equal
-        BigInteger.prototype.compareTo = function (a) {
-            var r = this.s - a.s;
-            if (r != 0) return r;
-            var i = this.t;
-            r = i - a.t;
-            if (r != 0) return (this.s < 0) ? -r : r;
-            while (--i >= 0)
-                if ((r = this[i] - a[i]) != 0) return r;
-            return 0;
-        }
-
-        // (public) return the number of bits in "this"
-        BigInteger.prototype.bitLength = function () {
-            if (this.t <= 0) return 0;
-            return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));
-        };
-
-        // (public) this mod a
-        BigInteger.prototype.mod = function (a) {
-            var r = nbi();
-            this.abs().divRemTo(a, null, r);
-            if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r);
-            return r;
-        }
-
-        // (public) this^e % m, 0 <= e < 2^32
-        BigInteger.prototype.modPowInt = function (e, m) {
-            var z;
-            if (e < 256 || m.isEven()) z = new Classic(m);
-            else z = new Montgomery(m);
-            return this.exp(e, z);
-        };
-
-        // "constants"
-        BigInteger.ZERO = nbv(0);
-        BigInteger.ONE = nbv(1);
-
-
-
-
-
-
-
-        // Copyright (c) 2005-2009  Tom Wu
-        // All Rights Reserved.
-        // See "LICENSE" for details.
-        // Extended JavaScript BN functions, required for RSA private ops.
-        // Version 1.1: new BigInteger("0", 10) returns "proper" zero
-        // Version 1.2: square() API, isProbablePrime fix
-
-
-        // return index of lowest 1-bit in x, x < 2^31
-        function lbit(x) {
-            if (x == 0) return -1;
-            var r = 0;
-            if ((x & 0xffff) == 0) {
-                x >>= 16;
-                r += 16;
-            }
-            if ((x & 0xff) == 0) {
-                x >>= 8;
-                r += 8;
-            }
-            if ((x & 0xf) == 0) {
-                x >>= 4;
-                r += 4;
-            }
-            if ((x & 3) == 0) {
-                x >>= 2;
-                r += 2;
-            }
-            if ((x & 1) == 0)++r;
-            return r;
-        }
-
-        // return number of 1 bits in x
-        function cbit(x) {
-            var r = 0;
-            while (x != 0) {
-                x &= x - 1;
-                ++r;
-            }
-            return r;
-        }
-
-        var lowprimes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,
-            89,
-            97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
-            193,
-            197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307,
-            311,
-            313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431,
-            433,
-            439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
-            569,
-            571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677,
-            683,
-            691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823,
-            827,
-            829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967,
-            971,
-            977, 983, 991, 997
-        ];
-        var lplim = (1 << 26) / lowprimes[lowprimes.length - 1];
-
-
-
-        // (protected) return x s.t. r^x < DV
-        BigInteger.prototype.chunkSize = function (r) {
-            return Math.floor(Math.LN2 * this.DB / Math.log(r));
-        };
-
-        // (protected) convert to radix string
-        BigInteger.prototype.toRadix = function (b) {
-            if (b == null) b = 10;
-            if (this.signum() == 0 || b < 2 || b > 36) return "0";
-            var cs = this.chunkSize(b);
-            var a = Math.pow(b, cs);
-            var d = nbv(a),
-                y = nbi(),
-                z = nbi(),
-                r = "";
-            this.divRemTo(d, y, z);
-            while (y.signum() > 0) {
-                r = (a + z.intValue()).toString(b).substr(1) + r;
-                y.divRemTo(d, y, z);
-            }
-            return z.intValue().toString(b) + r;
-        };
-
-        // (protected) convert from radix string
-        BigInteger.prototype.fromRadix = function (s, b) {
-            this.fromInt(0);
-            if (b == null) b = 10;
-            var cs = this.chunkSize(b);
-            var d = Math.pow(b, cs),
-                mi = false,
-                j = 0,
-                w = 0;
-            for (var i = 0; i < s.length; ++i) {
-                var x = intAt(s, i);
-                if (x < 0) {
-                    if (s.charAt(i) == "-" && this.signum() == 0) mi = true;
-                    continue;
-                }
-                w = b * w + x;
-                if (++j >= cs) {
-                    this.dMultiply(d);
-                    this.dAddOffset(w, 0);
-                    j = 0;
-                    w = 0;
-                }
-            }
-            if (j > 0) {
-                this.dMultiply(Math.pow(b, j));
-                this.dAddOffset(w, 0);
-            }
-            if (mi) BigInteger.ZERO.subTo(this, this);
-        };
-
-        // (protected) alternate constructor
-        BigInteger.prototype.fromNumber = function (a, b, c) {
-            if ("number" == typeof b) {
-                // new BigInteger(int,int,RNG)
-                if (a < 2) this.fromInt(1);
-                else {
-                    this.fromNumber(a, c);
-                    if (!this.testBit(a - 1)) // force MSB set
-                        this.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, this);
-                    if (this.isEven()) this.dAddOffset(1, 0); // force odd
-                    while (!this.isProbablePrime(b)) {
-                        this.dAddOffset(2, 0);
-                        if (this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a - 1), this);
-                    }
-                }
-            } else {
-                // new BigInteger(int,RNG)
-                var x = new Array(),
-                    t = a & 7;
-                x.length = (a >> 3) + 1;
-                b.nextBytes(x);
-                if (t > 0) x[0] &= ((1 << t) - 1);
-                else x[0] = 0;
-                this.fromString(x, 256);
-            }
-        };
-
-        // (protected) r = this op a (bitwise)
-        BigInteger.prototype.bitwiseTo = function (a, op, r) {
-            var i, f, m = Math.min(a.t, this.t);
-            for (i = 0; i < m; ++i) r[i] = op(this[i], a[i]);
-            if (a.t < this.t) {
-                f = a.s & this.DM;
-                for (i = m; i < this.t; ++i) r[i] = op(this[i], f);
-                r.t = this.t;
-            } else {
-                f = this.s & this.DM;
-                for (i = m; i < a.t; ++i) r[i] = op(f, a[i]);
-                r.t = a.t;
-            }
-            r.s = op(this.s, a.s);
-            r.clamp();
-        };
-
-        // (protected) this op (1<<n)
-        BigInteger.prototype.changeBit = function (n, op) {
-            var r = BigInteger.ONE.shiftLeft(n);
-            this.bitwiseTo(r, op, r);
-            return r;
-        };
-
-        // (protected) r = this + a
-        BigInteger.prototype.addTo = function (a, r) {
-            var i = 0,
-                c = 0,
-                m = Math.min(a.t, this.t);
-            while (i < m) {
-                c += this[i] + a[i];
-                r[i++] = c & this.DM;
-                c >>= this.DB;
-            }
-            if (a.t < this.t) {
-                c += a.s;
-                while (i < this.t) {
-                    c += this[i];
-                    r[i++] = c & this.DM;
-                    c >>= this.DB;
-                }
-                c += this.s;
-            } else {
-                c += this.s;
-                while (i < a.t) {
-                    c += a[i];
-                    r[i++] = c & this.DM;
-                    c >>= this.DB;
-                }
-                c += a.s;
-            }
-            r.s = (c < 0) ? -1 : 0;
-            if (c > 0) r[i++] = c;
-            else if (c < -1) r[i++] = this.DV + c;
-            r.t = i;
-            r.clamp();
-        };
-
-        // (protected) this *= n, this >= 0, 1 < n < DV
-        BigInteger.prototype.dMultiply = function (n) {
-            this[this.t] = this.am(0, n - 1, this, 0, 0, this.t);
-            ++this.t;
-            this.clamp();
-        };
-
-        // (protected) this += n << w words, this >= 0
-        BigInteger.prototype.dAddOffset = function (n, w) {
-            if (n == 0) return;
-            while (this.t <= w) this[this.t++] = 0;
-            this[w] += n;
-            while (this[w] >= this.DV) {
-                this[w] -= this.DV;
-                if (++w >= this.t) this[this.t++] = 0;
-                ++this[w];
-            }
-        };
-
-        // (protected) r = lower n words of "this * a", a.t <= n
-        // "this" should be the larger one if appropriate.
-        BigInteger.prototype.multiplyLowerTo = function (a, n, r) {
-            var i = Math.min(this.t + a.t, n);
-            r.s = 0; // assumes a,this >= 0
-            r.t = i;
-            while (i > 0) r[--i] = 0;
-            var j;
-            for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t);
-            for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i);
-            r.clamp();
-        };
-
-
-        // (protected) r = "this * a" without lower n words, n > 0
-        // "this" should be the larger one if appropriate.
-        BigInteger.prototype.multiplyUpperTo = function (a, n, r) {
-            --n;
-            var i = r.t = this.t + a.t - n;
-            r.s = 0; // assumes a,this >= 0
-            while (--i >= 0) r[i] = 0;
-            for (i = Math.max(n - this.t, 0); i < a.t; ++i)
-                r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n);
-            r.clamp();
-            r.drShiftTo(1, r);
-        };
-
-        // (protected) this % n, n < 2^26
-        BigInteger.prototype.modInt = function (n) {
-            if (n <= 0) return 0;
-            var d = this.DV % n,
-                r = (this.s < 0) ? n - 1 : 0;
-            if (this.t > 0)
-                if (d == 0) r = this[0] % n;
-                else
-                    for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n;
-            return r;
-        };
-
-
-        // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
-        BigInteger.prototype.millerRabin = function (t) {
-            var n1 = this.subtract(BigInteger.ONE);
-            var k = n1.getLowestSetBit();
-            if (k <= 0) return false;
-            var r = n1.shiftRight(k);
-            t = (t + 1) >> 1;
-            if (t > lowprimes.length) t = lowprimes.length;
-            var a = nbi();
-            for (var i = 0; i < t; ++i) {
-                //Pick bases at random, instead of starting at 2
-                a.fromInt(lowprimes[Math.floor(Math.random() * lowprimes.length)]);
-                var y = a.modPow(r, this);
-                if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
-                    var j = 1;
-                    while (j++ < k && y.compareTo(n1) != 0) {
-                        y = y.modPowInt(2, this);
-                        if (y.compareTo(BigInteger.ONE) == 0) return false;
-                    }
-                    if (y.compareTo(n1) != 0) return false;
-                }
-            }
-            return true;
-        };
-
-
-
-        // (public)
-        BigInteger.prototype.clone = function () {
-            var r = nbi();
-            this.copyTo(r);
-            return r;
-        };
-
-        // (public) return value as integer
-        BigInteger.prototype.intValue = function () {
-            if (this.s < 0) {
-                if (this.t == 1) return this[0] - this.DV;
-                else if (this.t == 0) return -1;
-            } else if (this.t == 1) return this[0];
-            else if (this.t == 0) return 0;
-            // assumes 16 < DB < 32
-            return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0];
-        };
-
-
-        // (public) return value as byte
-        BigInteger.prototype.byteValue = function () {
-            return (this.t == 0) ? this.s : (this[0] << 24) >> 24;
-        };
-
-        // (public) return value as short (assumes DB>=16)
-        BigInteger.prototype.shortValue = function () {
-            return (this.t == 0) ? this.s : (this[0] << 16) >> 16;
-        };
-
-        // (public) 0 if this == 0, 1 if this > 0
-        BigInteger.prototype.signum = function () {
-            if (this.s < 0) return -1;
-            else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
-            else return 1;
-        };
-
-
-        // (public) convert to bigendian byte array
-        BigInteger.prototype.toByteArray = function () {
-            var i = this.t,
-                r = new Array();
-            r[0] = this.s;
-            var p = this.DB - (i * this.DB) % 8,
-                d, k = 0;
-            if (i-- > 0) {
-                if (p < this.DB && (d = this[i] >> p) != (this.s & this.DM) >> p)
-                    r[k++] = d | (this.s << (this.DB - p));
-                while (i >= 0) {
-                    if (p < 8) {
-                        d = (this[i] & ((1 << p) - 1)) << (8 - p);
-                        d |= this[--i] >> (p += this.DB - 8);
-                    } else {
-                        d = (this[i] >> (p -= 8)) & 0xff;
-                        if (p <= 0) {
-                            p += this.DB;
-                            --i;
-                        }
-                    }
-                    if ((d & 0x80) != 0) d |= -256;
-                    if (k == 0 && (this.s & 0x80) != (d & 0x80))++k;
-                    if (k > 0 || d != this.s) r[k++] = d;
-                }
-            }
-            return r;
-        };
-
-        BigInteger.prototype.equals = function (a) {
-            return (this.compareTo(a) == 0);
-        };
-        BigInteger.prototype.min = function (a) {
-            return (this.compareTo(a) < 0) ? this : a;
-        };
-        BigInteger.prototype.max = function (a) {
-            return (this.compareTo(a) > 0) ? this : a;
-        };
-
-        // (public) this & a
-        function op_and(x, y) {
-            return x & y;
-        }
-        BigInteger.prototype.and = function (a) {
-            var r = nbi();
-            this.bitwiseTo(a, op_and, r);
-            return r;
-        };
-
-        // (public) this | a
-        function op_or(x, y) {
-            return x | y;
-        }
-        BigInteger.prototype.or = function (a) {
-            var r = nbi();
-            this.bitwiseTo(a, op_or, r);
-            return r;
-        };
-
-        // (public) this ^ a
-        function op_xor(x, y) {
-            return x ^ y;
-        }
-        BigInteger.prototype.xor = function (a) {
-            var r = nbi();
-            this.bitwiseTo(a, op_xor, r);
-            return r;
-        };
-
-        // (public) this & ~a
-        function op_andnot(x, y) {
-            return x & ~y;
-        }
-        BigInteger.prototype.andNot = function (a) {
-            var r = nbi();
-            this.bitwiseTo(a, op_andnot, r);
-            return r;
-        };
-
-        // (public) ~this
-        BigInteger.prototype.not = function () {
-            var r = nbi();
-            for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i];
-            r.t = this.t;
-            r.s = ~this.s;
-            return r;
-        };
-
-        // (public) this << n
-        BigInteger.prototype.shiftLeft = function (n) {
-            var r = nbi();
-            if (n < 0) this.rShiftTo(-n, r);
-            else this.lShiftTo(n, r);
-            return r;
-        };
-
-        // (public) this >> n
-        BigInteger.prototype.shiftRight = function (n) {
-            var r = nbi();
-            if (n < 0) this.lShiftTo(-n, r);
-            else this.rShiftTo(n, r);
-            return r;
-        };
-
-        // (public) returns index of lowest 1-bit (or -1 if none)
-        BigInteger.prototype.getLowestSetBit = function () {
-            for (var i = 0; i < this.t; ++i)
-                if (this[i] != 0) return i * this.DB + lbit(this[i]);
-            if (this.s < 0) return this.t * this.DB;
-            return -1;
-        };
-
-        // (public) return number of set bits
-        BigInteger.prototype.bitCount = function () {
-            var r = 0,
-                x = this.s & this.DM;
-            for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x);
-            return r;
-        };
-
-        // (public) true iff nth bit is set
-        BigInteger.prototype.testBit = function (n) {
-            var j = Math.floor(n / this.DB);
-            if (j >= this.t) return (this.s != 0);
-            return ((this[j] & (1 << (n % this.DB))) != 0);
-        };
-
-        // (public) this | (1<<n)
-        BigInteger.prototype.setBit = function (n) {
-            return this.changeBit(n, op_or);
-        };
-        // (public) this & ~(1<<n)
-        BigInteger.prototype.clearBit = function (n) {
-            return this.changeBit(n, op_andnot);
-        };
-        // (public) this ^ (1<<n)
-        BigInteger.prototype.flipBit = function (n) {
-            return this.changeBit(n, op_xor);
-        };
-        // (public) this + a
-        BigInteger.prototype.add = function (a) {
-            var r = nbi();
-            this.addTo(a, r);
-            return r;
-        };
-        // (public) this - a
-        BigInteger.prototype.subtract = function (a) {
-            var r = nbi();
-            this.subTo(a, r);
-            return r;
-        };
-        // (public) this * a
-        BigInteger.prototype.multiply = function (a) {
-            var r = nbi();
-            this.multiplyTo(a, r);
-            return r;
-        };
-        // (public) this / a
-        BigInteger.prototype.divide = function (a) {
-            var r = nbi();
-            this.divRemTo(a, r, null);
-            return r;
-        };
-        // (public) this % a
-        BigInteger.prototype.remainder = function (a) {
-            var r = nbi();
-            this.divRemTo(a, null, r);
-            return r;
-        };
-        // (public) [this/a,this%a]
-        BigInteger.prototype.divideAndRemainder = function (a) {
-            var q = nbi(),
-                r = nbi();
-            this.divRemTo(a, q, r);
-            return new Array(q, r);
-        };
-
-        // (public) this^e % m (HAC 14.85)
-        BigInteger.prototype.modPow = function (e, m) {
-            var i = e.bitLength(),
-                k, r = nbv(1),
-                z;
-            if (i <= 0) return r;
-            else if (i < 18) k = 1;
-            else if (i < 48) k = 3;
-            else if (i < 144) k = 4;
-            else if (i < 768) k = 5;
-            else k = 6;
-            if (i < 8)
-                z = new Classic(m);
-            else if (m.isEven())
-                z = new Barrett(m);
-            else
-                z = new Montgomery(m);
-
-            // precomputation
-            var g = new Array(),
-                n = 3,
-                k1 = k - 1,
-                km = (1 << k) - 1;
-            g[1] = z.convert(this);
-            if (k > 1) {
-                var g2 = nbi();
-                z.sqrTo(g[1], g2);
-                while (n <= km) {
-                    g[n] = nbi();
-                    z.mulTo(g2, g[n - 2], g[n]);
-                    n += 2;
-                }
-            }
-
-            var j = e.t - 1,
-                w, is1 = true,
-                r2 = nbi(),
-                t;
-            i = nbits(e[j]) - 1;
-            while (j >= 0) {
-                if (i >= k1) w = (e[j] >> (i - k1)) & km;
-                else {
-                    w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i);
-                    if (j > 0) w |= e[j - 1] >> (this.DB + i - k1);
-                }
-
-                n = k;
-                while ((w & 1) == 0) {
-                    w >>= 1;
-                    --n;
-                }
-                if ((i -= n) < 0) {
-                    i += this.DB;
-                    --j;
-                }
-                if (is1) { // ret == 1, don't bother squaring or multiplying it
-                    g[w].copyTo(r);
-                    is1 = false;
-                } else {
-                    while (n > 1) {
-                        z.sqrTo(r, r2);
-                        z.sqrTo(r2, r);
-                        n -= 2;
-                    }
-                    if (n > 0) z.sqrTo(r, r2);
-                    else {
-                        t = r;
-                        r = r2;
-                        r2 = t;
-                    }
-                    z.mulTo(r2, g[w], r);
-                }
-
-                while (j >= 0 && (e[j] & (1 << i)) == 0) {
-                    z.sqrTo(r, r2);
-                    t = r;
-                    r = r2;
-                    r2 = t;
-                    if (--i < 0) {
-                        i = this.DB - 1;
-                        --j;
-                    }
-                }
-            }
-            return z.revert(r);
-        };
-
-        // (public) 1/this % m (HAC 14.61)
-        BigInteger.prototype.modInverse = function (m) {
-            var ac = m.isEven();
-            if (this.signum() === 0) throw new Error('division by zero');
-            if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
-            var u = m.clone(),
-                v = this.clone();
-            var a = nbv(1),
-                b = nbv(0),
-                c = nbv(0),
-                d = nbv(1);
-            while (u.signum() != 0) {
-                while (u.isEven()) {
-                    u.rShiftTo(1, u);
-                    if (ac) {
-                        if (!a.isEven() || !b.isEven()) {
-                            a.addTo(this, a);
-                            b.subTo(m, b);
-                        }
-                        a.rShiftTo(1, a);
-                    } else if (!b.isEven()) b.subTo(m, b);
-                    b.rShiftTo(1, b);
-                }
-                while (v.isEven()) {
-                    v.rShiftTo(1, v);
-                    if (ac) {
-                        if (!c.isEven() || !d.isEven()) {
-                            c.addTo(this, c);
-                            d.subTo(m, d);
-                        }
-                        c.rShiftTo(1, c);
-                    } else if (!d.isEven()) d.subTo(m, d);
-                    d.rShiftTo(1, d);
-                }
-                if (u.compareTo(v) >= 0) {
-                    u.subTo(v, u);
-                    if (ac) a.subTo(c, a);
-                    b.subTo(d, b);
-                } else {
-                    v.subTo(u, v);
-                    if (ac) c.subTo(a, c);
-                    d.subTo(b, d);
-                }
-            }
-            if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
-            while (d.compareTo(m) >= 0) d.subTo(m, d);
-            while (d.signum() < 0) d.addTo(m, d);
-            return d;
-        };
-
-
-        // (public) this^e
-        BigInteger.prototype.pow = function (e) {
-            return this.exp(e, new NullExp());
-        };
-
-        // (public) gcd(this,a) (HAC 14.54)
-        BigInteger.prototype.gcd = function (a) {
-            var x = (this.s < 0) ? this.negate() : this.clone();
-            var y = (a.s < 0) ? a.negate() : a.clone();
-            if (x.compareTo(y) < 0) {
-                var t = x;
-                x = y;
-                y = t;
-            }
-            var i = x.getLowestSetBit(),
-                g = y.getLowestSetBit();
-            if (g < 0) return x;
-            if (i < g) g = i;
-            if (g > 0) {
-                x.rShiftTo(g, x);
-                y.rShiftTo(g, y);
-            }
-            while (x.signum() > 0) {
-                if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x);
-                if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y);
-                if (x.compareTo(y) >= 0) {
-                    x.subTo(y, x);
-                    x.rShiftTo(1, x);
-                } else {
-                    y.subTo(x, y);
-                    y.rShiftTo(1, y);
-                }
-            }
-            if (g > 0) y.lShiftTo(g, y);
-            return y;
-        };
-
-        // (public) test primality with certainty >= 1-.5^t
-        BigInteger.prototype.isProbablePrime = function (t) {
-            var i, x = this.abs();
-            if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
-                for (i = 0; i < lowprimes.length; ++i)
-                    if (x[0] == lowprimes[i]) return true;
-                return false;
-            }
-            if (x.isEven()) return false;
-            i = 1;
-            while (i < lowprimes.length) {
-                var m = lowprimes[i],
-                    j = i + 1;
-                while (j < lowprimes.length && m < lplim) m *= lowprimes[j++];
-                m = x.modInt(m);
-                while (i < j)
-                    if (m % lowprimes[i++] == 0) return false;
-            }
-            return x.millerRabin(t);
-        };
-
-
-        // JSBN-specific extension
-
-        // (public) this^2
-        BigInteger.prototype.square = function () {
-            var r = nbi();
-            this.squareTo(r);
-            return r;
-        };
-
-
-        // NOTE: BigInteger interfaces not implemented in jsbn:
-        // BigInteger(int signum, byte[] magnitude)
-        // double doubleValue()
-        // float floatValue()
-        // int hashCode()
-        // long longValue()
-        // static BigInteger valueOf(long val)
-
-
-
-        // Copyright Stephan Thomas (start) --- //
-        // https://raw.github.com/bitcoinjs/bitcoinjs-lib/07f9d55ccb6abd962efb6befdd37671f85ea4ff9/src/util.js
-        // BigInteger monkey patching
-        BigInteger.valueOf = nbv;
-
-        /**
-        * Returns a byte array representation of the big integer.
-        *
-        * This returns the absolute of the contained value in big endian
-        * form. A value of zero results in an empty array.
-        */
-        BigInteger.prototype.toByteArrayUnsigned = function () {
-            var ba = this.abs().toByteArray();
-            if (ba.length) {
-                if (ba[0] == 0) {
-                    ba = ba.slice(1);
-                }
-                return ba.map(function (v) {
-                    return (v < 0) ? v + 256 : v;
-                });
-            } else {
-                // Empty array, nothing to do
-                return ba;
-            }
-        };
-
-        /**
-        * Turns a byte array into a big integer.
-        *
-        * This function will interpret a byte array as a big integer in big
-        * endian notation and ignore leading zeros.
-        */
-        BigInteger.fromByteArrayUnsigned = function (ba) {
-            if (!ba.length) {
-                return ba.valueOf(0);
-            } else if (ba[0] & 0x80) {
-                // Prepend a zero so the BigInteger class doesn't mistake this
-                // for a negative integer.
-                return new BigInteger([0].concat(ba));
-            } else {
-                return new BigInteger(ba);
-            }
-        };
-
-        /**
-        * Converts big integer to signed byte representation.
-        *
-        * The format for this value uses a the most significant bit as a sign
-        * bit. If the most significant bit is already occupied by the
-        * absolute value, an extra byte is prepended and the sign bit is set
-        * there.
-        *
-        * Examples:
-        *
-        *      0 =>     0x00
-        *      1 =>     0x01
-        *     -1 =>     0x81
-        *    127 =>     0x7f
-        *   -127 =>     0xff
-        *    128 =>   0x0080
-        *   -128 =>   0x8080
-        *    255 =>   0x00ff
-        *   -255 =>   0x80ff
-        *  16300 =>   0x3fac
-        * -16300 =>   0xbfac
-        *  62300 => 0x00f35c
-        * -62300 => 0x80f35c
-        */
-        BigInteger.prototype.toByteArraySigned = function () {
-            var val = this.abs().toByteArrayUnsigned();
-            var neg = this.compareTo(BigInteger.ZERO) < 0;
-
-            if (neg) {
-                if (val[0] & 0x80) {
-                    val.unshift(0x80);
-                } else {
-                    val[0] |= 0x80;
-                }
-            } else {
-                if (val[0] & 0x80) {
-                    val.unshift(0x00);
-                }
-            }
-
-            return val;
-        };
-
-        /**
-        * Parse a signed big integer byte representation.
-        *
-        * For details on the format please see BigInteger.toByteArraySigned.
-        */
-        BigInteger.fromByteArraySigned = function (ba) {
-            // Check for negative value
-            if (ba[0] & 0x80) {
-                // Remove sign bit
-                ba[0] &= 0x7f;
-
-                return BigInteger.fromByteArrayUnsigned(ba).negate();
-            } else {
-                return BigInteger.fromByteArrayUnsigned(ba);
-            }
-        };
-        // Copyright Stephan Thomas (end) --- //
-
-
-
-
-        // ****** REDUCTION ******* //
-
-        // Modular reduction using "classic" algorithm
-        var Classic = window.Classic = function Classic(m) {
-            this.m = m;
-        }
-        Classic.prototype.convert = function (x) {
-            if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
-            else return x;
-        };
-        Classic.prototype.revert = function (x) {
-            return x;
-        };
-        Classic.prototype.reduce = function (x) {
-            x.divRemTo(this.m, null, x);
-        };
-        Classic.prototype.mulTo = function (x, y, r) {
-            x.multiplyTo(y, r);
-            this.reduce(r);
-        };
-        Classic.prototype.sqrTo = function (x, r) {
-            x.squareTo(r);
-            this.reduce(r);
-        };
-
-
-
-
-
-        // Montgomery reduction
-        var Montgomery = window.Montgomery = function Montgomery(m) {
-            this.m = m;
-            this.mp = m.invDigit();
-            this.mpl = this.mp & 0x7fff;
-            this.mph = this.mp >> 15;
-            this.um = (1 << (m.DB - 15)) - 1;
-            this.mt2 = 2 * m.t;
-        }
-        // xR mod m
-        Montgomery.prototype.convert = function (x) {
-            var r = nbi();
-            x.abs().dlShiftTo(this.m.t, r);
-            r.divRemTo(this.m, null, r);
-            if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r);
-            return r;
-        }
-        // x/R mod m
-        Montgomery.prototype.revert = function (x) {
-            var r = nbi();
-            x.copyTo(r);
-            this.reduce(r);
-            return r;
-        };
-        // x = x/R mod m (HAC 14.32)
-        Montgomery.prototype.reduce = function (x) {
-            while (x.t <= this.mt2) // pad x so am has enough room later
-                x[x.t++] = 0;
-            for (var i = 0; i < this.m.t; ++i) {
-                // faster way of calculating u0 = x[i]*mp mod DV
-                var j = x[i] & 0x7fff;
-                var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM;
-                // use am to combine the multiply-shift-add into one call
-                j = i + this.m.t;
-                x[j] += this.m.am(0, u0, x, i, 0, this.m.t);
-                // propagate carry
-                while (x[j] >= x.DV) {
-                    x[j] -= x.DV;
-                    x[++j]++;
-                }
-            }
-            x.clamp();
-            x.drShiftTo(this.m.t, x);
-            if (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
-        };
-        // r = "xy/R mod m"; x,y != r
-        Montgomery.prototype.mulTo = function (x, y, r) {
-            x.multiplyTo(y, r);
-            this.reduce(r);
-        };
-        // r = "x^2/R mod m"; x != r
-        Montgomery.prototype.sqrTo = function (x, r) {
-            x.squareTo(r);
-            this.reduce(r);
-        };
-
-
-
-
-
-        // A "null" reducer
-        var NullExp = window.NullExp = function NullExp() { }
-        NullExp.prototype.convert = function (x) {
-            return x;
-        };
-        NullExp.prototype.revert = function (x) {
-            return x;
-        };
-        NullExp.prototype.mulTo = function (x, y, r) {
-            x.multiplyTo(y, r);
-        };
-        NullExp.prototype.sqrTo = function (x, r) {
-            x.squareTo(r);
-        };
-
-
-
-
-
-        // Barrett modular reduction
-        var Barrett = window.Barrett = function Barrett(m) {
-            // setup Barrett
-            this.r2 = nbi();
-            this.q3 = nbi();
-            BigInteger.ONE.dlShiftTo(2 * m.t, this.r2);
-            this.mu = this.r2.divide(m);
-            this.m = m;
-        }
-        Barrett.prototype.convert = function (x) {
-            if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m);
-            else if (x.compareTo(this.m) < 0) return x;
-            else {
-                var r = nbi();
-                x.copyTo(r);
-                this.reduce(r);
-                return r;
-            }
-        };
-        Barrett.prototype.revert = function (x) {
-            return x;
-        };
-        // x = x mod m (HAC 14.42)
-        Barrett.prototype.reduce = function (x) {
-            x.drShiftTo(this.m.t - 1, this.r2);
-            if (x.t > this.m.t + 1) {
-                x.t = this.m.t + 1;
-                x.clamp();
-            }
-            this.mu.multiplyUpperTo(this.r2, this.m.t + 1, this.q3);
-            this.m.multiplyLowerTo(this.q3, this.m.t + 1, this.r2);
-            while (x.compareTo(this.r2) < 0) x.dAddOffset(1, this.m.t + 1);
-            x.subTo(this.r2, x);
-            while (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
-        };
-        // r = x*y mod m; x,y != r
-        Barrett.prototype.mulTo = function (x, y, r) {
-            x.multiplyTo(y, r);
-            this.reduce(r);
-        };
-        // r = x^2 mod m; x != r
-        Barrett.prototype.sqrTo = function (x, r) {
-            x.squareTo(r);
-            this.reduce(r);
-        };
-
-    })();
-
-    // BigInteger interfaces not implemented in jsbn:
-
-    // BigInteger(int signum, byte[] magnitude)
-    // double doubleValue()
-    // float floatValue()
-    // int hashCode()
-    // long longValue()
-    // static BigInteger valueOf(long val)
-
-
-
-
-
-    //ellipticcurve.js
-    /*!
-     * Basic Javascript Elliptic Curve implementation
-     * Ported loosely from BouncyCastle's Java EC code
-     * Only Fp curves implemented for now
-     *
-     * Copyright Tom Wu, bitaddress.org  BSD License.
-     * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-     */
-    (function () {
-
-        // Constructor function of Global EllipticCurve object
-        var ec = window.EllipticCurve = function () { };
-
-        // ----------------
-        // ECFieldElementFp constructor
-        // q instanceof BigInteger
-        // x instanceof BigInteger
-        ec.FieldElementFp = function (q, x) {
-            this.x = x;
-            // TODO if(x.compareTo(q) >= 0) error
-            this.q = q;
-        };
-
-        ec.FieldElementFp.prototype.equals = function (other) {
-            if (other == this) return true;
-            return (this.q.equals(other.q) && this.x.equals(other.x));
-        };
-
-        ec.FieldElementFp.prototype.toBigInteger = function () {
-            return this.x;
-        };
-
-        ec.FieldElementFp.prototype.negate = function () {
-            return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q));
-        };
-
-        ec.FieldElementFp.prototype.add = function (b) {
-            return new ec.FieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q));
-        };
-
-        ec.FieldElementFp.prototype.subtract = function (b) {
-            return new ec.FieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q));
-        };
-
-        ec.FieldElementFp.prototype.multiply = function (b) {
-            return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q));
-        };
-
-        ec.FieldElementFp.prototype.square = function () {
-            return new ec.FieldElementFp(this.q, this.x.square().mod(this.q));
-        };
-
-        ec.FieldElementFp.prototype.divide = function (b) {
-            return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(
-                this.q));
-        };
-
-        ec.FieldElementFp.prototype.getByteLength = function () {
-            return Math.floor((this.toBigInteger().bitLength() + 7) / 8);
-        };
-
-        // D.1.4 91
-        /**
-         * return a sqrt root - the routine verifies that the calculation
-         * returns the right value - if none exists it returns null.
-         *
-         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-         * Ported to JavaScript by bitaddress.org
-         */
-        ec.FieldElementFp.prototype.sqrt = function () {
-            if (!this.q.testBit(0)) throw new Error("even value of q");
-
-            // p mod 4 == 3
-            if (this.q.testBit(1)) {
-                // z = g^(u+1) + p, p = 4u + 3
-                var z = new ec.FieldElementFp(this.q, this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE),
-                    this.q));
-                return z.square().equals(this) ? z : null;
-            }
-
-            // p mod 4 == 1
-            var qMinusOne = this.q.subtract(BigInteger.ONE);
-            var legendreExponent = qMinusOne.shiftRight(1);
-            if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE))) return null;
-            var u = qMinusOne.shiftRight(2);
-            var k = u.shiftLeft(1).add(BigInteger.ONE);
-            var Q = this.x;
-            var fourQ = Q.shiftLeft(2).mod(this.q);
-            var U, V;
-
-            do {
-                var rand = new SecureRandom();
-                var P;
-                do {
-                    P = new BigInteger(this.q.bitLength(), rand);
-                }
-                while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
-                    this.q).equals(qMinusOne)));
-
-                var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
-
-                U = result[0];
-                V = result[1];
-                if (V.multiply(V).mod(this.q).equals(fourQ)) {
-                    // Integer division by 2, mod q
-                    if (V.testBit(0)) {
-                        V = V.add(this.q);
-                    }
-                    V = V.shiftRight(1);
-                    return new ec.FieldElementFp(this.q, V);
-                }
-            }
-            while (U.equals(BigInteger.ONE) || U.equals(qMinusOne));
-
-            return null;
-        };
-        /*!
-* Crypto-JS 2.5.4 BlockModes.js
-* contribution from Simon Greatrix
-*/
-
-        (function (C) {
-
-            // Create pad namespace
-            var C_pad = C.pad = {};
-
-            // Calculate the number of padding bytes required.
-            function _requiredPadding(cipher, message) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-                var reqd = blockSizeInBytes - message.length % blockSizeInBytes;
-                return reqd;
-            }
-
-            // Remove padding when the final byte gives the number of padding bytes.
-            var _unpadLength = function (cipher, message, alg, padding) {
-                var pad = message.pop();
-                if (pad == 0) {
-                    throw new Error("Invalid zero-length padding specified for " + alg +
-                        ". Wrong cipher specification or key used?");
-                }
-                var maxPad = cipher._blocksize * 4;
-                if (pad > maxPad) {
-                    throw new Error("Invalid padding length of " + pad +
-                        " specified for " + alg +
-                        ". Wrong cipher specification or key used?");
-                }
-                for (var i = 1; i < pad; i++) {
-                    var b = message.pop();
-                    if (padding != undefined && padding != b) {
-                        throw new Error("Invalid padding byte of 0x" + b.toString(16) +
-                            " specified for " + alg +
-                            ". Wrong cipher specification or key used?");
-                    }
-                }
-            };
-
-            // No-operation padding, used for stream ciphers
-            C_pad.NoPadding = {
-                pad: function (cipher, message) { },
-                unpad: function (cipher, message) { }
-            };
-
-            // Zero Padding.
-            //
-            // If the message is not an exact number of blocks, the final block is
-            // completed with 0x00 bytes. There is no unpadding.
-            C_pad.ZeroPadding = {
-                pad: function (cipher, message) {
-                    var blockSizeInBytes = cipher._blocksize * 4;
-                    var reqd = message.length % blockSizeInBytes;
-                    if (reqd != 0) {
-                        for (reqd = blockSizeInBytes - reqd; reqd > 0; reqd--) {
-                            message.push(0x00);
-                        }
-                    }
-                },
-
-                unpad: function (cipher, message) {
-                    while (message[message.length - 1] == 0) {
-                        message.pop();
-                    }
-                }
-            };
-
-            // ISO/IEC 7816-4 padding.
-            //
-            // Pads the plain text with an 0x80 byte followed by as many 0x00
-            // bytes are required to complete the block.
-            C_pad.iso7816 = {
-                pad: function (cipher, message) {
-                    var reqd = _requiredPadding(cipher, message);
-                    message.push(0x80);
-                    for (; reqd > 1; reqd--) {
-                        message.push(0x00);
-                    }
-                },
-
-                unpad: function (cipher, message) {
-                    var padLength;
-                    for (padLength = cipher._blocksize * 4; padLength > 0; padLength--) {
-                        var b = message.pop();
-                        if (b == 0x80) return;
-                        if (b != 0x00) {
-                            throw new Error("ISO-7816 padding byte must be 0, not 0x" + b.toString(16) +
-                                ". Wrong cipher specification or key used?");
-                        }
-                    }
-                    throw new Error(
-                        "ISO-7816 padded beyond cipher block size. Wrong cipher specification or key used?"
-                    );
-                }
-            };
-
-            // ANSI X.923 padding
-            //
-            // The final block is padded with zeros except for the last byte of the
-            // last block which contains the number of padding bytes.
-            C_pad.ansix923 = {
-                pad: function (cipher, message) {
-                    var reqd = _requiredPadding(cipher, message);
-                    for (var i = 1; i < reqd; i++) {
-                        message.push(0x00);
-                    }
-                    message.push(reqd);
-                },
-
-                unpad: function (cipher, message) {
-                    _unpadLength(cipher, message, "ANSI X.923", 0);
-                }
-            };
-
-            // ISO 10126
-            //
-            // The final block is padded with random bytes except for the last
-            // byte of the last block which contains the number of padding bytes.
-            C_pad.iso10126 = {
-                pad: function (cipher, message) {
-                    var reqd = _requiredPadding(cipher, message);
-                    for (var i = 1; i < reqd; i++) {
-                        message.push(Math.floor(Math.random() * 256));
-                    }
-                    message.push(reqd);
-                },
-
-                unpad: function (cipher, message) {
-                    _unpadLength(cipher, message, "ISO 10126", undefined);
-                }
-            };
-
-            // PKCS7 padding
-            //
-            // PKCS7 is described in RFC 5652. Padding is in whole bytes. The
-            // value of each added byte is the number of bytes that are added,
-            // i.e. N bytes, each of value N are added.
-            C_pad.pkcs7 = {
-                pad: function (cipher, message) {
-                    var reqd = _requiredPadding(cipher, message);
-                    for (var i = 0; i < reqd; i++) {
-                        message.push(reqd);
-                    }
-                },
-
-                unpad: function (cipher, message) {
-                    _unpadLength(cipher, message, "PKCS 7", message[message.length - 1]);
-                }
-            };
-
-            // Create mode namespace
-            var C_mode = C.mode = {};
-
-            /**
-            * Mode base "class".
-            */
-            var Mode = C_mode.Mode = function (padding) {
-                if (padding) {
-                    this._padding = padding;
-                }
-            };
-
-            Mode.prototype = {
-                encrypt: function (cipher, m, iv) {
-                    this._padding.pad(cipher, m);
-                    this._doEncrypt(cipher, m, iv);
-                },
-
-                decrypt: function (cipher, m, iv) {
-                    this._doDecrypt(cipher, m, iv);
-                    this._padding.unpad(cipher, m);
-                },
-
-                // Default padding
-                _padding: C_pad.iso7816
-            };
-
-
-            /**
-            * Electronic Code Book mode.
-            * 
-            * ECB applies the cipher directly against each block of the input.
-            * 
-            * ECB does not require an initialization vector.
-            */
-            var ECB = C_mode.ECB = function () {
-                // Call parent constructor
-                Mode.apply(this, arguments);
-            };
-
-            // Inherit from Mode
-            var ECB_prototype = ECB.prototype = new Mode;
-
-            // Concrete steps for Mode template
-            ECB_prototype._doEncrypt = function (cipher, m, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-                // Encrypt each block
-                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
-                    cipher._encryptblock(m, offset);
-                }
-            };
-            ECB_prototype._doDecrypt = function (cipher, c, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-                // Decrypt each block
-                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
-                    cipher._decryptblock(c, offset);
-                }
-            };
-
-            // ECB never uses an IV
-            ECB_prototype.fixOptions = function (options) {
-                options.iv = [];
-            };
-
-
-            /**
-            * Cipher block chaining
-            * 
-            * The first block is XORed with the IV. Subsequent blocks are XOR with the
-            * previous cipher output.
-            */
-            var CBC = C_mode.CBC = function () {
-                // Call parent constructor
-                Mode.apply(this, arguments);
-            };
-
-            // Inherit from Mode
-            var CBC_prototype = CBC.prototype = new Mode;
-
-            // Concrete steps for Mode template
-            CBC_prototype._doEncrypt = function (cipher, m, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-
-                // Encrypt each block
-                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
-                    if (offset == 0) {
-                        // XOR first block using IV
-                        for (var i = 0; i < blockSizeInBytes; i++)
-                            m[i] ^= iv[i];
-                    } else {
-                        // XOR this block using previous crypted block
-                        for (var i = 0; i < blockSizeInBytes; i++)
-                            m[offset + i] ^= m[offset + i - blockSizeInBytes];
-                    }
-                    // Encrypt block
-                    cipher._encryptblock(m, offset);
-                }
-            };
-            CBC_prototype._doDecrypt = function (cipher, c, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-
-                // At the start, the previously crypted block is the IV
-                var prevCryptedBlock = iv;
-
-                // Decrypt each block
-                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
-                    // Save this crypted block
-                    var thisCryptedBlock = c.slice(offset, offset + blockSizeInBytes);
-                    // Decrypt block
-                    cipher._decryptblock(c, offset);
-                    // XOR decrypted block using previous crypted block
-                    for (var i = 0; i < blockSizeInBytes; i++) {
-                        c[offset + i] ^= prevCryptedBlock[i];
-                    }
-                    prevCryptedBlock = thisCryptedBlock;
-                }
-            };
-
-
-            /**
-            * Cipher feed back
-            * 
-            * The cipher output is XORed with the plain text to produce the cipher output,
-            * which is then fed back into the cipher to produce a bit pattern to XOR the
-            * next block with.
-            * 
-            * This is a stream cipher mode and does not require padding.
-            */
-            var CFB = C_mode.CFB = function () {
-                // Call parent constructor
-                Mode.apply(this, arguments);
-            };
-
-            // Inherit from Mode
-            var CFB_prototype = CFB.prototype = new Mode;
-
-            // Override padding
-            CFB_prototype._padding = C_pad.NoPadding;
-
-            // Concrete steps for Mode template
-            CFB_prototype._doEncrypt = function (cipher, m, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4,
-                    keystream = iv.slice(0);
-
-                // Encrypt each byte
-                for (var i = 0; i < m.length; i++) {
-
-                    var j = i % blockSizeInBytes;
-                    if (j == 0) cipher._encryptblock(keystream, 0);
-
-                    m[i] ^= keystream[j];
-                    keystream[j] = m[i];
-                }
-            };
-            CFB_prototype._doDecrypt = function (cipher, c, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4,
-                    keystream = iv.slice(0);
-
-                // Encrypt each byte
-                for (var i = 0; i < c.length; i++) {
-
-                    var j = i % blockSizeInBytes;
-                    if (j == 0) cipher._encryptblock(keystream, 0);
-
-                    var b = c[i];
-                    c[i] ^= keystream[j];
-                    keystream[j] = b;
-                }
-            };
-
-
-            /**
-            * Output feed back
-            * 
-            * The cipher repeatedly encrypts its own output. The output is XORed with the
-            * plain text to produce the cipher text.
-            * 
-            * This is a stream cipher mode and does not require padding.
-            */
-            var OFB = C_mode.OFB = function () {
-                // Call parent constructor
-                Mode.apply(this, arguments);
-            };
-
-            // Inherit from Mode
-            var OFB_prototype = OFB.prototype = new Mode;
-
-            // Override padding
-            OFB_prototype._padding = C_pad.NoPadding;
-
-            // Concrete steps for Mode template
-            OFB_prototype._doEncrypt = function (cipher, m, iv) {
-
-                var blockSizeInBytes = cipher._blocksize * 4,
-                    keystream = iv.slice(0);
-
-                // Encrypt each byte
-                for (var i = 0; i < m.length; i++) {
-
-                    // Generate keystream
-                    if (i % blockSizeInBytes == 0)
-                        cipher._encryptblock(keystream, 0);
-
-                    // Encrypt byte
-                    m[i] ^= keystream[i % blockSizeInBytes];
-
-                }
-            };
-            OFB_prototype._doDecrypt = OFB_prototype._doEncrypt;
-
-            /**
-            * Counter
-            * @author Gergely Risko
-            *
-            * After every block the last 4 bytes of the IV is increased by one
-            * with carry and that IV is used for the next block.
-            *
-            * This is a stream cipher mode and does not require padding.
-            */
-            var CTR = C_mode.CTR = function () {
-                // Call parent constructor
-                Mode.apply(this, arguments);
-            };
-
-            // Inherit from Mode
-            var CTR_prototype = CTR.prototype = new Mode;
-
-            // Override padding
-            CTR_prototype._padding = C_pad.NoPadding;
-
-            CTR_prototype._doEncrypt = function (cipher, m, iv) {
-                var blockSizeInBytes = cipher._blocksize * 4;
-                var counter = iv.slice(0);
-
-                for (var i = 0; i < m.length;) {
-                    // do not lose iv
-                    var keystream = counter.slice(0);
-
-                    // Generate keystream for next block
-                    cipher._encryptblock(keystream, 0);
-
-                    // XOR keystream with block
-                    for (var j = 0; i < m.length && j < blockSizeInBytes; j++ , i++) {
-                        m[i] ^= keystream[j];
-                    }
-
-                    // Increase counter
-                    if (++(counter[blockSizeInBytes - 1]) == 256) {
-                        counter[blockSizeInBytes - 1] = 0;
-                        if (++(counter[blockSizeInBytes - 2]) == 256) {
-                            counter[blockSizeInBytes - 2] = 0;
-                            if (++(counter[blockSizeInBytes - 3]) == 256) {
-                                counter[blockSizeInBytes - 3] = 0;
-                                ++(counter[blockSizeInBytes - 4]);
-                            }
-                        }
-                    }
-                }
-            };
-            CTR_prototype._doDecrypt = CTR_prototype._doEncrypt;
-
-        })(Crypto);
-
-        /*!
-    * Crypto-JS v2.5.4  PBKDF2.js
-    * http://code.google.com/p/crypto-js/
-    * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-    * http://code.google.com/p/crypto-js/wiki/License
-    */
-        (function () {
-
-            // Shortcuts
-            var C = Crypto,
-                util = C.util,
-                charenc = C.charenc,
-                UTF8 = charenc.UTF8,
-                Binary = charenc.Binary;
-
-            C.PBKDF2 = function (password, salt, keylen, options) {
-
-                // Convert to byte arrays
-                if (password.constructor == String) password = UTF8.stringToBytes(password);
-                if (salt.constructor == String) salt = UTF8.stringToBytes(salt);
-                /* else, assume byte arrays already */
-
-                // Defaults
-                var hasher = options && options.hasher || C.SHA1,
-                    iterations = options && options.iterations || 1;
-
-                // Pseudo-random function
-                function PRF(password, salt) {
-                    return C.HMAC(hasher, salt, password, {
-                        asBytes: true
-                    });
-                }
-
-                // Generate key
-                var derivedKeyBytes = [],
-                    blockindex = 1;
-                while (derivedKeyBytes.length < keylen) {
-                    var block = PRF(password, salt.concat(util.wordsToBytes([blockindex])));
-                    for (var u = block, i = 1; i < iterations; i++) {
-                        u = PRF(password, u);
-                        for (var j = 0; j < block.length; j++) block[j] ^= u[j];
-                    }
-                    derivedKeyBytes = derivedKeyBytes.concat(block);
-                    blockindex++;
-                }
-
-                // Truncate excess bytes
-                derivedKeyBytes.length = keylen;
-
-                return options && options.asBytes ? derivedKeyBytes :
-                    options && options.asString ? Binary.bytesToString(derivedKeyBytes) :
-                        util.bytesToHex(derivedKeyBytes);
-
-            };
-
-        })();
-
-        /*
-              * Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
-              * 
-              * Permission is hereby granted, free of charge, to any person obtaining a copy
-              * of this software and associated documentation files (the "Software"), to deal
-              * in the Software without restriction, including without limitation the rights
-              * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-              * copies of the Software, and to permit persons to whom the Software is
-              * furnished to do so, subject to the following conditions:
-              * 
-              * The above copyright notice and this permission notice shall be included in
-              * all copies or substantial portions of the Software.
-              * 
-              * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-              * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-              * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-              * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-              * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-              * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-              * THE SOFTWARE.
-              */
-        // https://github.com/cheongwy/node-scrypt-js
-        (function () {
-
-            var MAX_VALUE = 2147483647;
-            var workerUrl = null;
-
-            //function scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int dkLen)
-            /*
-            * N = Cpu cost
-            * r = Memory cost
-            * p = parallelization cost
-            * 
-            */
-            window.Crypto_scrypt = function (passwd, salt, N, r, p, dkLen, callback) {
-                if (N == 0 || (N & (N - 1)) != 0) throw Error("N must be > 0 and a power of 2");
-
-                if (N > MAX_VALUE / 128 / r) throw Error("Parameter N is too large");
-                if (r > MAX_VALUE / 128 / p) throw Error("Parameter r is too large");
-
-                var PBKDF2_opts = {
-                    iterations: 1,
-                    hasher: Crypto.SHA256,
-                    asBytes: true
-                };
-
-                var B = Crypto.PBKDF2(passwd, salt, p * 128 * r, PBKDF2_opts);
-
-                try {
-                    var i = 0;
-                    var worksDone = 0;
-                    var makeWorker = function () {
-                        if (!workerUrl) {
-                            var code = '(' + scryptCore.toString() + ')()';
-                            var blob;
-                            try {
-                                blob = new Blob([code], {
-                                    type: "text/javascript"
-                                });
-                            } catch (e) {
-                                window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder ||
-                                    window.MozBlobBuilder ||
-                                    window.MSBlobBuilder;
-                                blob = new BlobBuilder();
-                                blob.append(code);
-                                blob = blob.getBlob("text/javascript");
-                            }
-                            workerUrl = URL.createObjectURL(blob);
-                        }
-                        var worker = new Worker(workerUrl);
-                        worker.onmessage = function (event) {
-                            var Bi = event.data[0],
-                                Bslice = event.data[1];
-                            worksDone++;
-
-                            if (i < p) {
-                                worker.postMessage([N, r, p, B, i++]);
-                            }
-
-                            var length = Bslice.length,
-                                destPos = Bi * 128 * r,
-                                srcPos = 0;
-                            while (length--) {
-                                B[destPos++] = Bslice[srcPos++];
-                            }
-
-                            if (worksDone == p) {
-                                callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
-                            }
-                        };
-                        return worker;
-                    };
-                    var workers = [makeWorker(), makeWorker()];
-                    workers[0].postMessage([N, r, p, B, i++]);
-                    if (p > 1) {
-                        workers[1].postMessage([N, r, p, B, i++]);
-                    }
-                } catch (e) {
-                    window.setTimeout(function () {
-                        scryptCore();
-                        callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
-                    }, 0);
-                }
-
-                // using this function to enclose everything needed to create a worker (but also invokable directly for synchronous use)
-                function scryptCore() {
-                    var XY = [],
-                        V = [];
-
-                    if (typeof B === 'undefined') {
-                        onmessage = function (event) {
-                            var data = event.data;
-                            var N = data[0],
-                                r = data[1],
-                                p = data[2],
-                                B = data[3],
-                                i = data[4];
-
-                            var Bslice = [];
-                            arraycopy32(B, i * 128 * r, Bslice, 0, 128 * r);
-                            smix(Bslice, 0, r, N, V, XY);
-
-                            postMessage([i, Bslice]);
-                        };
-                    } else {
-                        for (var i = 0; i < p; i++) {
-                            smix(B, i * 128 * r, r, N, V, XY);
-                        }
-                    }
-
-                    function smix(B, Bi, r, N, V, XY) {
-                        var Xi = 0;
-                        var Yi = 128 * r;
-                        var i;
-
-                        arraycopy32(B, Bi, XY, Xi, Yi);
-
-                        for (i = 0; i < N; i++) {
-                            arraycopy32(XY, Xi, V, i * Yi, Yi);
-                            blockmix_salsa8(XY, Xi, Yi, r);
-                        }
-
-                        for (i = 0; i < N; i++) {
-                            var j = integerify(XY, Xi, r) & (N - 1);
-                            blockxor(V, j * Yi, XY, Xi, Yi);
-                            blockmix_salsa8(XY, Xi, Yi, r);
-                        }
-
-                        arraycopy32(XY, Xi, B, Bi, Yi);
-                    }
-
-                    function blockmix_salsa8(BY, Bi, Yi, r) {
-                        var X = [];
-                        var i;
-
-                        arraycopy32(BY, Bi + (2 * r - 1) * 64, X, 0, 64);
-
-                        for (i = 0; i < 2 * r; i++) {
-                            blockxor(BY, i * 64, X, 0, 64);
-                            salsa20_8(X);
-                            arraycopy32(X, 0, BY, Yi + (i * 64), 64);
-                        }
-
-                        for (i = 0; i < r; i++) {
-                            arraycopy32(BY, Yi + (i * 2) * 64, BY, Bi + (i * 64), 64);
-                        }
-
-                        for (i = 0; i < r; i++) {
-                            arraycopy32(BY, Yi + (i * 2 + 1) * 64, BY, Bi + (i + r) * 64, 64);
-                        }
-                    }
-
-                    function R(a, b) {
-                        return (a << b) | (a >>> (32 - b));
-                    }
-
-                    function salsa20_8(B) {
-                        var B32 = new Array(32);
-                        var x = new Array(32);
-                        var i;
-
-                        for (i = 0; i < 16; i++) {
-                            B32[i] = (B[i * 4 + 0] & 0xff) << 0;
-                            B32[i] |= (B[i * 4 + 1] & 0xff) << 8;
-                            B32[i] |= (B[i * 4 + 2] & 0xff) << 16;
-                            B32[i] |= (B[i * 4 + 3] & 0xff) << 24;
-                        }
-
-                        arraycopy(B32, 0, x, 0, 16);
-
-                        for (i = 8; i > 0; i -= 2) {
-                            x[4] ^= R(x[0] + x[12], 7);
-                            x[8] ^= R(x[4] + x[0], 9);
-                            x[12] ^= R(x[8] + x[4], 13);
-                            x[0] ^= R(x[12] + x[8], 18);
-                            x[9] ^= R(x[5] + x[1], 7);
-                            x[13] ^= R(x[9] + x[5], 9);
-                            x[1] ^= R(x[13] + x[9], 13);
-                            x[5] ^= R(x[1] + x[13], 18);
-                            x[14] ^= R(x[10] + x[6], 7);
-                            x[2] ^= R(x[14] + x[10], 9);
-                            x[6] ^= R(x[2] + x[14], 13);
-                            x[10] ^= R(x[6] + x[2], 18);
-                            x[3] ^= R(x[15] + x[11], 7);
-                            x[7] ^= R(x[3] + x[15], 9);
-                            x[11] ^= R(x[7] + x[3], 13);
-                            x[15] ^= R(x[11] + x[7], 18);
-                            x[1] ^= R(x[0] + x[3], 7);
-                            x[2] ^= R(x[1] + x[0], 9);
-                            x[3] ^= R(x[2] + x[1], 13);
-                            x[0] ^= R(x[3] + x[2], 18);
-                            x[6] ^= R(x[5] + x[4], 7);
-                            x[7] ^= R(x[6] + x[5], 9);
-                            x[4] ^= R(x[7] + x[6], 13);
-                            x[5] ^= R(x[4] + x[7], 18);
-                            x[11] ^= R(x[10] + x[9], 7);
-                            x[8] ^= R(x[11] + x[10], 9);
-                            x[9] ^= R(x[8] + x[11], 13);
-                            x[10] ^= R(x[9] + x[8], 18);
-                            x[12] ^= R(x[15] + x[14], 7);
-                            x[13] ^= R(x[12] + x[15], 9);
-                            x[14] ^= R(x[13] + x[12], 13);
-                            x[15] ^= R(x[14] + x[13], 18);
-                        }
-
-                        for (i = 0; i < 16; ++i) B32[i] = x[i] + B32[i];
-
-                        for (i = 0; i < 16; i++) {
-                            var bi = i * 4;
-                            B[bi + 0] = (B32[i] >> 0 & 0xff);
-                            B[bi + 1] = (B32[i] >> 8 & 0xff);
-                            B[bi + 2] = (B32[i] >> 16 & 0xff);
-                            B[bi + 3] = (B32[i] >> 24 & 0xff);
-                        }
-                    }
-
-                    function blockxor(S, Si, D, Di, len) {
-                        var i = len >> 6;
-                        while (i--) {
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                            D[Di++] ^= S[Si++];
-                        }
-                    }
-
-                    function integerify(B, bi, r) {
-                        var n;
-
-                        bi += (2 * r - 1) * 64;
-
-                        n = (B[bi + 0] & 0xff) << 0;
-                        n |= (B[bi + 1] & 0xff) << 8;
-                        n |= (B[bi + 2] & 0xff) << 16;
-                        n |= (B[bi + 3] & 0xff) << 24;
-
-                        return n;
-                    }
-
-                    function arraycopy(src, srcPos, dest, destPos, length) {
-                        while (length--) {
-                            dest[destPos++] = src[srcPos++];
-                        }
-                    }
-
-                    function arraycopy32(src, srcPos, dest, destPos, length) {
-                        var i = length >> 5;
-                        while (i--) {
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                            dest[destPos++] = src[srcPos++];
-                        }
-                    }
-                } // scryptCore
-            }; // window.Crypto_scrypt
-        })();
-
-        /*!
-          * Crypto-JS v2.5.4  AES.js
-          * http://code.google.com/p/crypto-js/
-          * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-          * http://code.google.com/p/crypto-js/wiki/License
-          */
-        (function () {
-
-            // Shortcuts
-            var C = Crypto,
-                util = C.util,
-                charenc = C.charenc,
-                UTF8 = charenc.UTF8;
-
-            // Precomputed SBOX
-            var SBOX = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
-                0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
-                0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
-                0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
-                0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
-                0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
-                0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
-                0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
-                0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
-                0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
-                0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
-                0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
-                0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
-                0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
-                0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
-                0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
-                0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
-                0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
-                0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
-                0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
-                0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
-                0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
-                0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
-                0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
-                0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
-                0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
-                0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
-                0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
-                0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
-                0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
-                0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
-                0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
-            ];
-
-            // Compute inverse SBOX lookup table
-            for (var INVSBOX = [], i = 0; i < 256; i++) INVSBOX[SBOX[i]] = i;
-
-            // Compute multiplication in GF(2^8) lookup tables
-            var MULT2 = [],
-                MULT3 = [],
-                MULT9 = [],
-                MULTB = [],
-                MULTD = [],
-                MULTE = [];
-
-            function xtime(a, b) {
-                for (var result = 0, i = 0; i < 8; i++) {
-                    if (b & 1) result ^= a;
-                    var hiBitSet = a & 0x80;
-                    a = (a << 1) & 0xFF;
-                    if (hiBitSet) a ^= 0x1b;
-                    b >>>= 1;
-                }
-                return result;
-            }
-
-            for (var i = 0; i < 256; i++) {
-                MULT2[i] = xtime(i, 2);
-                MULT3[i] = xtime(i, 3);
-                MULT9[i] = xtime(i, 9);
-                MULTB[i] = xtime(i, 0xB);
-                MULTD[i] = xtime(i, 0xD);
-                MULTE[i] = xtime(i, 0xE);
-            }
-
-            // Precomputed RCon lookup
-            var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
-
-            // Inner state
-            var state = [
-                [],
-                [],
-                [],
-                []
-            ],
-                keylength,
-                nrounds,
-                keyschedule;
-
-            var AES = C.AES = {
-
-                /**
-                * Public API
-                */
-
-                encrypt: function (message, password, options) {
-
-                    options = options || {};
-
-                    // Determine mode
-                    var mode = options.mode || new C.mode.OFB;
-
-                    // Allow mode to override options
-                    if (mode.fixOptions) mode.fixOptions(options);
-
-                    var
-
-                        // Convert to bytes if message is a string
-                        m = (
-                            message.constructor == String ?
-                                UTF8.stringToBytes(message) :
-                                message
-                        ),
-
-                        // Generate random IV
-                        iv = options.iv || util.randomBytes(AES._blocksize * 4),
-
-                        // Generate key
-                        k = (
-                            password.constructor == String ?
-                                // Derive key from pass-phrase
-                                C.PBKDF2(password, iv, 32, {
-                                    asBytes: true
-                                }) :
-                                // else, assume byte array representing cryptographic key
-                                password
-                        );
-
-                    // Encrypt
-                    AES._init(k);
-                    mode.encrypt(AES, m, iv);
-
-                    // Return ciphertext
-                    m = options.iv ? m : iv.concat(m);
-                    return (options && options.asBytes) ? m : util.bytesToBase64(m);
-
-                },
-
-                decrypt: function (ciphertext, password, options) {
-
-                    options = options || {};
-
-                    // Determine mode
-                    var mode = options.mode || new C.mode.OFB;
-
-                    // Allow mode to override options
-                    if (mode.fixOptions) mode.fixOptions(options);
-
-                    var
-
-                        // Convert to bytes if ciphertext is a string
-                        c = (
-                            ciphertext.constructor == String ?
-                                util.base64ToBytes(ciphertext) :
-                                ciphertext
-                        ),
-
-                        // Separate IV and message
-                        iv = options.iv || c.splice(0, AES._blocksize * 4),
-
-                        // Generate key
-                        k = (
-                            password.constructor == String ?
-                                // Derive key from pass-phrase
-                                C.PBKDF2(password, iv, 32, {
-                                    asBytes: true
-                                }) :
-                                // else, assume byte array representing cryptographic key
-                                password
-                        );
-
-                    // Decrypt
-                    AES._init(k);
-                    mode.decrypt(AES, c, iv);
-
-                    // Return plaintext
-                    return (options && options.asBytes) ? c : UTF8.bytesToString(c);
-
-                },
-
-
-                /**
-                * Package private methods and properties
-                */
-
-                _blocksize: 4,
-
-                _encryptblock: function (m, offset) {
-
-                    // Set input
-                    for (var row = 0; row < AES._blocksize; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] = m[offset + col * 4 + row];
-                    }
-
-                    // Add round key
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] ^= keyschedule[col][row];
-                    }
-
-                    for (var round = 1; round < nrounds; round++) {
-
-                        // Sub bytes
-                        for (var row = 0; row < 4; row++) {
-                            for (var col = 0; col < 4; col++)
-                                state[row][col] = SBOX[state[row][col]];
-                        }
-
-                        // Shift rows
-                        state[1].push(state[1].shift());
-                        state[2].push(state[2].shift());
-                        state[2].push(state[2].shift());
-                        state[3].unshift(state[3].pop());
-
-                        // Mix columns
-                        for (var col = 0; col < 4; col++) {
-
-                            var s0 = state[0][col],
-                                s1 = state[1][col],
-                                s2 = state[2][col],
-                                s3 = state[3][col];
-
-                            state[0][col] = MULT2[s0] ^ MULT3[s1] ^ s2 ^ s3;
-                            state[1][col] = s0 ^ MULT2[s1] ^ MULT3[s2] ^ s3;
-                            state[2][col] = s0 ^ s1 ^ MULT2[s2] ^ MULT3[s3];
-                            state[3][col] = MULT3[s0] ^ s1 ^ s2 ^ MULT2[s3];
-
-                        }
-
-                        // Add round key
-                        for (var row = 0; row < 4; row++) {
-                            for (var col = 0; col < 4; col++)
-                                state[row][col] ^= keyschedule[round * 4 + col][row];
-                        }
-
-                    }
-
-                    // Sub bytes
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] = SBOX[state[row][col]];
-                    }
-
-                    // Shift rows
-                    state[1].push(state[1].shift());
-                    state[2].push(state[2].shift());
-                    state[2].push(state[2].shift());
-                    state[3].unshift(state[3].pop());
-
-                    // Add round key
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
-                    }
-
-                    // Set output
-                    for (var row = 0; row < AES._blocksize; row++) {
-                        for (var col = 0; col < 4; col++)
-                            m[offset + col * 4 + row] = state[row][col];
-                    }
-
-                },
-
-                _decryptblock: function (c, offset) {
-
-                    // Set input
-                    for (var row = 0; row < AES._blocksize; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] = c[offset + col * 4 + row];
-                    }
-
-                    // Add round key
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
-                    }
-
-                    for (var round = 1; round < nrounds; round++) {
-
-                        // Inv shift rows
-                        state[1].unshift(state[1].pop());
-                        state[2].push(state[2].shift());
-                        state[2].push(state[2].shift());
-                        state[3].push(state[3].shift());
-
-                        // Inv sub bytes
-                        for (var row = 0; row < 4; row++) {
-                            for (var col = 0; col < 4; col++)
-                                state[row][col] = INVSBOX[state[row][col]];
-                        }
-
-                        // Add round key
-                        for (var row = 0; row < 4; row++) {
-                            for (var col = 0; col < 4; col++)
-                                state[row][col] ^= keyschedule[(nrounds - round) * 4 + col][row];
-                        }
-
-                        // Inv mix columns
-                        for (var col = 0; col < 4; col++) {
-
-                            var s0 = state[0][col],
-                                s1 = state[1][col],
-                                s2 = state[2][col],
-                                s3 = state[3][col];
-
-                            state[0][col] = MULTE[s0] ^ MULTB[s1] ^ MULTD[s2] ^ MULT9[s3];
-                            state[1][col] = MULT9[s0] ^ MULTE[s1] ^ MULTB[s2] ^ MULTD[s3];
-                            state[2][col] = MULTD[s0] ^ MULT9[s1] ^ MULTE[s2] ^ MULTB[s3];
-                            state[3][col] = MULTB[s0] ^ MULTD[s1] ^ MULT9[s2] ^ MULTE[s3];
-
-                        }
-
-                    }
-
-                    // Inv shift rows
-                    state[1].unshift(state[1].pop());
-                    state[2].push(state[2].shift());
-                    state[2].push(state[2].shift());
-                    state[3].push(state[3].shift());
-
-                    // Inv sub bytes
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] = INVSBOX[state[row][col]];
-                    }
-
-                    // Add round key
-                    for (var row = 0; row < 4; row++) {
-                        for (var col = 0; col < 4; col++)
-                            state[row][col] ^= keyschedule[col][row];
-                    }
-
-                    // Set output
-                    for (var row = 0; row < AES._blocksize; row++) {
-                        for (var col = 0; col < 4; col++)
-                            c[offset + col * 4 + row] = state[row][col];
-                    }
-
-                },
-
-
-                /**
-                * Private methods
-                */
-
-                _init: function (k) {
-                    keylength = k.length / 4;
-                    nrounds = keylength + 6;
-                    AES._keyexpansion(k);
-                },
-
-                // Generate a key schedule
-                _keyexpansion: function (k) {
-
-                    keyschedule = [];
-
-                    for (var row = 0; row < keylength; row++) {
-                        keyschedule[row] = [
-                            k[row * 4],
-                            k[row * 4 + 1],
-                            k[row * 4 + 2],
-                            k[row * 4 + 3]
-                        ];
-                    }
-
-                    for (var row = keylength; row < AES._blocksize * (nrounds + 1); row++) {
-
-                        var temp = [
-                            keyschedule[row - 1][0],
-                            keyschedule[row - 1][1],
-                            keyschedule[row - 1][2],
-                            keyschedule[row - 1][3]
-                        ];
-
-                        if (row % keylength == 0) {
-
-                            // Rot word
-                            temp.push(temp.shift());
-
-                            // Sub word
-                            temp[0] = SBOX[temp[0]];
-                            temp[1] = SBOX[temp[1]];
-                            temp[2] = SBOX[temp[2]];
-                            temp[3] = SBOX[temp[3]];
-
-                            temp[0] ^= RCON[row / keylength];
-
-                        } else if (keylength > 6 && row % keylength == 4) {
-
-                            // Sub word
-                            temp[0] = SBOX[temp[0]];
-                            temp[1] = SBOX[temp[1]];
-                            temp[2] = SBOX[temp[2]];
-                            temp[3] = SBOX[temp[3]];
-
-                        }
-
-                        keyschedule[row] = [
-                            keyschedule[row - keylength][0] ^ temp[0],
-                            keyschedule[row - keylength][1] ^ temp[1],
-                            keyschedule[row - keylength][2] ^ temp[2],
-                            keyschedule[row - keylength][3] ^ temp[3]
-                        ];
-
-                    }
-
-                }
-
-            };
-
-        })();
-
-        /*
-         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-         * Ported to JavaScript by bitaddress.org
-         */
-        ec.FieldElementFp.fastLucasSequence = function (p, P, Q, k) {
-            // TODO Research and apply "common-multiplicand multiplication here"
-
-            var n = k.bitLength();
-            var s = k.getLowestSetBit();
-            var Uh = BigInteger.ONE;
-            var Vl = BigInteger.TWO;
-            var Vh = P;
-            var Ql = BigInteger.ONE;
-            var Qh = BigInteger.ONE;
-
-            for (var j = n - 1; j >= s + 1; --j) {
-                Ql = Ql.multiply(Qh).mod(p);
-                if (k.testBit(j)) {
-                    Qh = Ql.multiply(Q).mod(p);
-                    Uh = Uh.multiply(Vh).mod(p);
-                    Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-                    Vh = Vh.multiply(Vh).subtract(Qh.shiftLeft(1)).mod(p);
-                } else {
-                    Qh = Ql;
-                    Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
-                    Vh = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-                    Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
-                }
-            }
-
-            Ql = Ql.multiply(Qh).mod(p);
-            Qh = Ql.multiply(Q).mod(p);
-            Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
-            Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-            Ql = Ql.multiply(Qh).mod(p);
-
-            for (var j = 1; j <= s; ++j) {
-                Uh = Uh.multiply(Vl).mod(p);
-                Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
-                Ql = Ql.multiply(Ql).mod(p);
-            }
-
-            return [Uh, Vl];
-        };
-
-        // ----------------
-        // ECPointFp constructor
-        ec.PointFp = function (curve, x, y, z, compressed) {
-            this.curve = curve;
-            this.x = x;
-            this.y = y;
-            // Projective coordinates: either zinv == null or z * zinv == 1
-            // z and zinv are just BigIntegers, not fieldElements
-            if (z == null) {
-                this.z = BigInteger.ONE;
-            } else {
-                this.z = z;
-            }
-            this.zinv = null;
-            // compression flag
-            this.compressed = !!compressed;
-        };
-
-        ec.PointFp.prototype.getX = function () {
-            if (this.zinv == null) {
-                this.zinv = this.z.modInverse(this.curve.q);
-            }
-            var r = this.x.toBigInteger().multiply(this.zinv);
-            this.curve.reduce(r);
-            return this.curve.fromBigInteger(r);
-        };
-
-        ec.PointFp.prototype.getY = function () {
-            if (this.zinv == null) {
-                this.zinv = this.z.modInverse(this.curve.q);
-            }
-            var r = this.y.toBigInteger().multiply(this.zinv);
-            this.curve.reduce(r);
-            return this.curve.fromBigInteger(r);
-        };
-
-        ec.PointFp.prototype.equals = function (other) {
-            if (other == this) return true;
-            if (this.isInfinity()) return other.isInfinity();
-            if (other.isInfinity()) return this.isInfinity();
-            var u, v;
-            // u = Y2 * Z1 - Y1 * Z2
-            u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(
-                this.curve.q);
-            if (!u.equals(BigInteger.ZERO)) return false;
-            // v = X2 * Z1 - X1 * Z2
-            v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(
-                this.curve.q);
-            return v.equals(BigInteger.ZERO);
-        };
-
-        ec.PointFp.prototype.isInfinity = function () {
-            if ((this.x == null) && (this.y == null)) return true;
-            return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO);
-        };
-
-        ec.PointFp.prototype.negate = function () {
-            return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z);
-        };
-
-        ec.PointFp.prototype.add = function (b) {
-            if (this.isInfinity()) return b;
-            if (b.isInfinity()) return this;
-
-            // u = Y2 * Z1 - Y1 * Z2
-            var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(
-                this.curve.q);
-            // v = X2 * Z1 - X1 * Z2
-            var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(
-                this.curve.q);
-
-
-            if (BigInteger.ZERO.equals(v)) {
-                if (BigInteger.ZERO.equals(u)) {
-                    return this.twice(); // this == b, so double
-                }
-                return this.curve.getInfinity(); // this = -b, so infinity
-            }
-
-            var THREE = new BigInteger("3");
-            var x1 = this.x.toBigInteger();
-            var y1 = this.y.toBigInteger();
-            var x2 = b.x.toBigInteger();
-            var y2 = b.y.toBigInteger();
-
-            var v2 = v.square();
-            var v3 = v2.multiply(v);
-            var x1v2 = x1.multiply(v2);
-            var zu2 = u.square().multiply(this.z);
-
-            // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
-            var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);
-            // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
-            var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(
-                b.z).add(u.multiply(v3)).mod(this.curve.q);
-            // z3 = v^3 * z1 * z2
-            var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q);
-
-            return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
-                z3);
-        };
-
-        ec.PointFp.prototype.twice = function () {
-            if (this.isInfinity()) return this;
-            if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
-
-            // TODO: optimized handling of constants
-            var THREE = new BigInteger("3");
-            var x1 = this.x.toBigInteger();
-            var y1 = this.y.toBigInteger();
-
-            var y1z1 = y1.multiply(this.z);
-            var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q);
-            var a = this.curve.a.toBigInteger();
-
-            // w = 3 * x1^2 + a * z1^2
-            var w = x1.square().multiply(THREE);
-            if (!BigInteger.ZERO.equals(a)) {
-                w = w.add(this.z.square().multiply(a));
-            }
-            w = w.mod(this.curve.q);
-            //this.curve.reduce(w);
-            // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
-            var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(
-                this.curve.q);
-            // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
-            var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(
-                y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);
-            // z3 = 8 * (y1 * z1)^3
-            var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);
-
-            return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
-                z3);
-        };
-
-        // Simple NAF (Non-Adjacent Form) multiplication algorithm
-        // TODO: modularize the multiplication algorithm
-        ec.PointFp.prototype.multiply = function (k) {
-            if (this.isInfinity()) return this;
-            if (k.signum() == 0) return this.curve.getInfinity();
-
-            var e = k;
-            var h = e.multiply(new BigInteger("3"));
-
-            var neg = this.negate();
-            var R = this;
-
-            var i;
-            for (i = h.bitLength() - 2; i > 0; --i) {
-                R = R.twice();
-
-                var hBit = h.testBit(i);
-                var eBit = e.testBit(i);
-
-                if (hBit != eBit) {
-                    R = R.add(hBit ? this : neg);
-                }
-            }
-
-            return R;
-        };
-
-        // Compute this*j + x*k (simultaneous multiplication)
-        ec.PointFp.prototype.multiplyTwo = function (j, x, k) {
-            var i;
-            if (j.bitLength() > k.bitLength())
-                i = j.bitLength() - 1;
-            else
-                i = k.bitLength() - 1;
-
-            var R = this.curve.getInfinity();
-            var both = this.add(x);
-            while (i >= 0) {
-                R = R.twice();
-                if (j.testBit(i)) {
-                    if (k.testBit(i)) {
-                        R = R.add(both);
-                    } else {
-                        R = R.add(this);
-                    }
-                } else {
-                    if (k.testBit(i)) {
-                        R = R.add(x);
-                    }
-                }
-                --i;
-            }
-
-            return R;
-        };
-
-        // patched by bitaddress.org and Casascius for use with Bitcoin.ECKey
-        // patched by coretechs to support compressed public keys
-        ec.PointFp.prototype.getEncoded = function (compressed) {
-            var x = this.getX().toBigInteger();
-            var y = this.getY().toBigInteger();
-            var len = 32; // integerToBytes will zero pad if integer is less than 32 bytes. 32 bytes length is required by the Bitcoin protocol.
-            var enc = ec.integerToBytes(x, len);
-
-            // when compressed prepend byte depending if y point is even or odd
-            if (compressed) {
-                if (y.isEven()) {
-                    enc.unshift(0x02);
-                } else {
-                    enc.unshift(0x03);
-                }
-            } else {
-                enc.unshift(0x04);
-                enc = enc.concat(ec.integerToBytes(y, len)); // uncompressed public key appends the bytes of the y point
-            }
-            return enc;
-        };
-
-        ec.PointFp.decodeFrom = function (curve, enc) {
-            var type = enc[0];
-            var dataLen = enc.length - 1;
-
-            // Extract x and y as byte arrays
-            var xBa = enc.slice(1, 1 + dataLen / 2);
-            var yBa = enc.slice(1 + dataLen / 2, 1 + dataLen);
-
-            // Prepend zero byte to prevent interpretation as negative integer
-            xBa.unshift(0);
-            yBa.unshift(0);
-
-            // Convert to BigIntegers
-            var x = new BigInteger(xBa);
-            var y = new BigInteger(yBa);
-
-            // Return point
-            return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
-        };
-
-        ec.PointFp.prototype.add2D = function (b) {
-            if (this.isInfinity()) return b;
-            if (b.isInfinity()) return this;
-
-            if (this.x.equals(b.x)) {
-                if (this.y.equals(b.y)) {
-                    // this = b, i.e. this must be doubled
-                    return this.twice();
-                }
-                // this = -b, i.e. the result is the point at infinity
-                return this.curve.getInfinity();
-            }
-
-            var x_x = b.x.subtract(this.x);
-            var y_y = b.y.subtract(this.y);
-            var gamma = y_y.divide(x_x);
-
-            var x3 = gamma.square().subtract(this.x).subtract(b.x);
-            var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
-
-            return new ec.PointFp(this.curve, x3, y3);
-        };
-
-        ec.PointFp.prototype.twice2D = function () {
-            if (this.isInfinity()) return this;
-            if (this.y.toBigInteger().signum() == 0) {
-                // if y1 == 0, then (x1, y1) == (x1, -y1)
-                // and hence this = -this and thus 2(x1, y1) == infinity
-                return this.curve.getInfinity();
-            }
-
-            var TWO = this.curve.fromBigInteger(BigInteger.valueOf(2));
-            var THREE = this.curve.fromBigInteger(BigInteger.valueOf(3));
-            var gamma = this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO));
-
-            var x3 = gamma.square().subtract(this.x.multiply(TWO));
-            var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
-
-            return new ec.PointFp(this.curve, x3, y3);
-        };
-
-        ec.PointFp.prototype.multiply2D = function (k) {
-            if (this.isInfinity()) return this;
-            if (k.signum() == 0) return this.curve.getInfinity();
-
-            var e = k;
-            var h = e.multiply(new BigInteger("3"));
-
-            var neg = this.negate();
-            var R = this;
-
-            var i;
-            for (i = h.bitLength() - 2; i > 0; --i) {
-                R = R.twice();
-
-                var hBit = h.testBit(i);
-                var eBit = e.testBit(i);
-
-                if (hBit != eBit) {
-                    R = R.add2D(hBit ? this : neg);
-                }
-            }
-
-            return R;
-        };
-
-        ec.PointFp.prototype.isOnCurve = function () {
-            var x = this.getX().toBigInteger();
-            var y = this.getY().toBigInteger();
-            var a = this.curve.getA().toBigInteger();
-            var b = this.curve.getB().toBigInteger();
-            var n = this.curve.getQ();
-            var lhs = y.multiply(y).mod(n);
-            var rhs = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n);
-            return lhs.equals(rhs);
-        };
-
-        ec.PointFp.prototype.toString = function () {
-            return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() +
-                ')';
-        };
-
-        /**
-         * Validate an elliptic curve point.
-         *
-         * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
-         */
-        ec.PointFp.prototype.validate = function () {
-            var n = this.curve.getQ();
-
-            // Check Q != O
-            if (this.isInfinity()) {
-                throw new Error("Point is at infinity.");
-            }
-
-            // Check coordinate bounds
-            var x = this.getX().toBigInteger();
-            var y = this.getY().toBigInteger();
-            if (x.compareTo(BigInteger.ONE) < 0 || x.compareTo(n.subtract(BigInteger.ONE)) > 0) {
-                throw new Error('x coordinate out of bounds');
-            }
-            if (y.compareTo(BigInteger.ONE) < 0 || y.compareTo(n.subtract(BigInteger.ONE)) > 0) {
-                throw new Error('y coordinate out of bounds');
-            }
-
-            // Check y^2 = x^3 + ax + b (mod n)
-            if (!this.isOnCurve()) {
-                throw new Error("Point is not on the curve.");
-            }
-
-            // Check nQ = 0 (Q is a scalar multiple of G)
-            if (this.multiply(n).isInfinity()) {
-                // TODO: This check doesn't work - fix.
-                throw new Error("Point is not a scalar multiple of G.");
-            }
-
-            return true;
-        };
-
-
-
-
-        // ----------------
-        // ECCurveFp constructor
-        ec.CurveFp = function (q, a, b) {
-            this.q = q;
-            this.a = this.fromBigInteger(a);
-            this.b = this.fromBigInteger(b);
-            this.infinity = new ec.PointFp(this, null, null);
-            this.reducer = new Barrett(this.q);
-        }
-
-        ec.CurveFp.prototype.getQ = function () {
-            return this.q;
-        };
-
-        ec.CurveFp.prototype.getA = function () {
-            return this.a;
-        };
-
-        ec.CurveFp.prototype.getB = function () {
-            return this.b;
-        };
-
-        ec.CurveFp.prototype.equals = function (other) {
-            if (other == this) return true;
-            return (this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b));
-        };
-
-        ec.CurveFp.prototype.getInfinity = function () {
-            return this.infinity;
-        };
-
-        ec.CurveFp.prototype.fromBigInteger = function (x) {
-            return new ec.FieldElementFp(this.q, x);
-        };
-
-        ec.CurveFp.prototype.reduce = function (x) {
-            this.reducer.reduce(x);
-        };
-
-        // for now, work with hex strings because they're easier in JS
-        // compressed support added by bitaddress.org
-        ec.CurveFp.prototype.decodePointHex = function (s) {
-            var firstByte = parseInt(s.substr(0, 2), 16);
-            switch (firstByte) { // first byte
-                case 0:
-                    return this.infinity;
-                case 2: // compressed
-                case 3: // compressed
-                    var yTilde = firstByte & 1;
-                    var xHex = s.substr(2, s.length - 2);
-                    var X1 = new BigInteger(xHex, 16);
-                    return this.decompressPoint(yTilde, X1);
-                case 4: // uncompressed
-                case 6: // hybrid
-                case 7: // hybrid
-                    var len = (s.length - 2) / 2;
-                    var xHex = s.substr(2, len);
-                    var yHex = s.substr(len + 2, len);
-
-                    return new ec.PointFp(this,
-                        this.fromBigInteger(new BigInteger(xHex, 16)),
-                        this.fromBigInteger(new BigInteger(yHex, 16)));
-
-                default: // unsupported
-                    return null;
-            }
-        };
-
-        ec.CurveFp.prototype.encodePointHex = function (p) {
-            if (p.isInfinity()) return "00";
-            var xHex = p.getX().toBigInteger().toString(16);
-            var yHex = p.getY().toBigInteger().toString(16);
-            var oLen = this.getQ().toString(16).length;
-            if ((oLen % 2) != 0) oLen++;
-            while (xHex.length < oLen) {
-                xHex = "0" + xHex;
-            }
-            while (yHex.length < oLen) {
-                yHex = "0" + yHex;
-            }
-            return "04" + xHex + yHex;
-        };
-
-        /*
-         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-         * Ported to JavaScript by bitaddress.org
-         *
-         * Number yTilde
-         * BigInteger X1
-         */
-        ec.CurveFp.prototype.decompressPoint = function (yTilde, X1) {
-            var x = this.fromBigInteger(X1);
-            var alpha = x.multiply(x.square().add(this.getA())).add(this.getB());
-            var beta = alpha.sqrt();
-            // if we can't find a sqrt we haven't got a point on the curve - run!
-            if (beta == null) throw new Error("Invalid point compression");
-            var betaValue = beta.toBigInteger();
-            var bit0 = betaValue.testBit(0) ? 1 : 0;
-            if (bit0 != yTilde) {
-                // Use the other root
-                beta = this.fromBigInteger(this.getQ().subtract(betaValue));
-            }
-            return new ec.PointFp(this, x, beta, null, true);
-        };
-
-
-        ec.fromHex = function (s) {
-            return new BigInteger(s, 16);
-        };
-
-        ec.integerToBytes = function (i, len) {
-            var bytes = i.toByteArrayUnsigned();
-            if (len < bytes.length) {
-                bytes = bytes.slice(bytes.length - len);
-            } else
-                while (len > bytes.length) {
-                    bytes.unshift(0);
-                }
-            return bytes;
-        };
-
-
-        // Named EC curves
-        // ----------------
-        // X9ECParameters constructor
-        ec.X9Parameters = function (curve, g, n, h) {
-            this.curve = curve;
-            this.g = g;
-            this.n = n;
-            this.h = h;
-        }
-        ec.X9Parameters.prototype.getCurve = function () {
-            return this.curve;
-        };
-        ec.X9Parameters.prototype.getG = function () {
-            return this.g;
-        };
-        ec.X9Parameters.prototype.getN = function () {
-            return this.n;
-        };
-        ec.X9Parameters.prototype.getH = function () {
-            return this.h;
-        };
-
-        // secp256k1 is the Curve used by Bitcoin
-        ec.secNamedCurves = {
-            // used by Bitcoin
-            "secp256k1": function () {
-                // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
-                var p = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
-                var a = BigInteger.ZERO;
-                var b = ec.fromHex("7");
-                var n = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");
-                var h = BigInteger.ONE;
-                var curve = new ec.CurveFp(p, a, b);
-                var G = curve.decodePointHex("04" +
-                    "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" +
-                    "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");
-                return new ec.X9Parameters(curve, G, n, h);
-            }
-        };
-
-        // secp256k1 called by Bitcoin's ECKEY
-        ec.getSECCurveByName = function (name) {
-            if (ec.secNamedCurves[name] == undefined) return null;
-            return ec.secNamedCurves[name]();
-        }
-    })();
-
-
-    //bitTrx.js
-    (function () {
-
-        var bitjs = window.bitjs = function () { };
-
-        /* public vars */
-        bitjs.pub = 0x23; // flochange - changed the prefix to FLO Mainnet PublicKey Prefix 0x23
-        bitjs.priv = 0xa3; //flochange - changed the prefix to FLO Mainnet Private key prefix 0xa3
-        bitjs.compressed = false;
-
-        /* provide a privkey and return an WIF  */
-        bitjs.privkey2wif = function (h) {
-            var r = Crypto.util.hexToBytes(h);
-
-            if (bitjs.compressed == true) {
-                r.push(0x01);
-            }
-
-            r.unshift(bitjs.priv);
-            var hash = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = hash.slice(0, 4);
-
-            return B58.encode(r.concat(checksum));
-        }
-
-        /* convert a wif key back to a private key */
-        bitjs.wif2privkey = function (wif) {
-            var compressed = false;
-            var decode = B58.decode(wif);
-            var key = decode.slice(0, decode.length - 4);
-            key = key.slice(1, key.length);
-            if (key.length >= 33 && key[key.length - 1] == 0x01) {
-                key = key.slice(0, key.length - 1);
-                compressed = true;
-            }
-            return {
-                'privkey': Crypto.util.bytesToHex(key),
-                'compressed': compressed
-            };
-        }
-
-        /* convert a wif to a pubkey */
-        bitjs.wif2pubkey = function (wif) {
-            var compressed = bitjs.compressed;
-            var r = bitjs.wif2privkey(wif);
-            bitjs.compressed = r['compressed'];
-            var pubkey = bitjs.newPubkey(r['privkey']);
-            bitjs.compressed = compressed;
-            return {
-                'pubkey': pubkey,
-                'compressed': r['compressed']
-            };
-        }
-
-        /* convert a wif to a address */
-        bitjs.wif2address = function (wif) {
-            var r = bitjs.wif2pubkey(wif);
-            return {
-                'address': bitjs.pubkey2address(r['pubkey']),
-                'compressed': r['compressed']
-            };
-        }
-
-        /* generate a public key from a private key */
-        bitjs.newPubkey = function (hash) {
-            var privateKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(hash));
-            var curve = EllipticCurve.getSECCurveByName("secp256k1");
-
-            var curvePt = curve.getG().multiply(privateKeyBigInt);
-            var x = curvePt.getX().toBigInteger();
-            var y = curvePt.getY().toBigInteger();
-
-            var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
-            publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
-            publicKeyBytes.unshift(0x04);
-
-            if (bitjs.compressed == true) {
-                var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
-                if (y.isEven()) {
-                    publicKeyBytesCompressed.unshift(0x02)
-                } else {
-                    publicKeyBytesCompressed.unshift(0x03)
-                }
-                return Crypto.util.bytesToHex(publicKeyBytesCompressed);
-            } else {
-                return Crypto.util.bytesToHex(publicKeyBytes);
-            }
-        }
-
-        /* provide a public key and return address */
-        bitjs.pubkey2address = function (h, byte) {
-            var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
-                asBytes: true
-            }));
-            r.unshift(byte || bitjs.pub);
-            var hash = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = hash.slice(0, 4);
-            return B58.encode(r.concat(checksum));
-        }
-
-        bitjs.transaction = function () {
-            var btrx = {};
-            btrx.version = 2; //flochange look at this version
-            btrx.inputs = [];
-            btrx.outputs = [];
-            btrx.locktime = 0;
-            btrx.floData = ""; //flochange .. look at this
-
-
-            btrx.addinput = function (txid, index, scriptPubKey, sequence) {
-                var o = {};
-                o.outpoint = {
-                    'hash': txid,
-                    'index': index
-                };
-                //o.script = []; Signature and Public Key should be added after singning
-                o.script = Crypto.util.hexToBytes(scriptPubKey); //push previous output pubkey script
-                o.sequence = sequence || ((btrx.locktime == 0) ? 4294967295 : 0);
-                return this.inputs.push(o);
-            }
-
-            btrx.addoutput = function (address, value) {
-                var o = {};
-                var buf = [];
-                var addrDecoded = btrx.addressDecode(address);
-                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
-                buf.push(118); //OP_DUP
-                buf.push(169); //OP_HASH160
-                buf.push(addrDecoded.length);
-                buf = buf.concat(addrDecoded); // address in bytes
-                buf.push(136); //OP_EQUALVERIFY
-                buf.push(172); //  OP_CHECKSIG
-                o.script = buf;
-                return this.outputs.push(o);
-            }
-
-
-            btrx.addflodata = function (txcomments) { // flochange - this whole function needs to be done
-                this.floData = txcomments;
-                return this.floData; //flochange .. returning the txcomments -- check if the function return will assign
-            }
-
-
-            // Only standard addresses
-            btrx.addressDecode = function (address) {
-                var bytes = B58.decode(address);
-                var front = bytes.slice(0, bytes.length - 4);
-                var back = bytes.slice(bytes.length - 4);
-                var checksum = Crypto.SHA256(Crypto.SHA256(front, {
-                    asBytes: true
-                }), {
-                    asBytes: true
-                }).slice(0, 4);
-                if (checksum + "" == back + "") {
-                    return front.slice(1);
-                }
-            }
-
-            /* generate the transaction hash to sign from a transaction input */
-            btrx.transactionHash = function (index, sigHashType) {
-
-                var clone = bitjs.clone(this);
-                var shType = sigHashType || 1;
-
-                /* black out all other ins, except this one */
-                for (var i = 0; i < clone.inputs.length; i++) {
-                    if (index != i) {
-                        clone.inputs[i].script = [];
-                    }
-                }
-
-
-                if ((clone.inputs) && clone.inputs[index]) {
-
-                    /* SIGHASH : For more info on sig hashs see https://en.bitcoin.it/wiki/OP_CHECKSIG
-                        and https://bitcoin.org/en/developer-guide#signature-hash-type */
-
-                    if (shType == 1) {
-                        //SIGHASH_ALL 0x01
-
-                    } else if (shType == 2) {
-                        //SIGHASH_NONE 0x02
-                        clone.outputs = [];
-                        for (var i = 0; i < clone.inputs.length; i++) {
-                            if (index != i) {
-                                clone.inputs[i].sequence = 0;
-                            }
-                        }
-
-                    } else if (shType == 3) {
-
-                        //SIGHASH_SINGLE 0x03
-                        clone.outputs.length = index + 1;
-
-                        for (var i = 0; i < index; i++) {
-                            clone.outputs[i].value = -1;
-                            clone.outputs[i].script = [];
-                        }
-
-                        for (var i = 0; i < clone.inputs.length; i++) {
-                            if (index != i) {
-                                clone.inputs[i].sequence = 0;
-                            }
-                        }
-
-                    } else if (shType >= 128) {
-                        //SIGHASH_ANYONECANPAY 0x80
-                        clone.inputs = [clone.inputs[index]];
-
-                        if (shType == 129) {
-                            // SIGHASH_ALL + SIGHASH_ANYONECANPAY
-
-                        } else if (shType == 130) {
-                            // SIGHASH_NONE + SIGHASH_ANYONECANPAY
-                            clone.outputs = [];
-
-                        } else if (shType == 131) {
-                            // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
-                            clone.outputs.length = index + 1;
-                            for (var i = 0; i < index; i++) {
-                                clone.outputs[i].value = -1;
-                                clone.outputs[i].script = [];
-                            }
-                        }
-                    }
-
-                    var buffer = Crypto.util.hexToBytes(clone.serialize());
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(shType), 4));
-                    var hash = Crypto.SHA256(buffer, {
-                        asBytes: true
-                    });
-                    var r = Crypto.util.bytesToHex(Crypto.SHA256(hash, {
-                        asBytes: true
-                    }));
-                    return r;
-                } else {
-                    return false;
-                }
-            }
-
-            /* generate a signature from a transaction hash */
-            btrx.transactionSig = function (index, wif, sigHashType, txhash) {
-
-                function serializeSig(r, s) {
-                    var rBa = r.toByteArraySigned();
-                    var sBa = s.toByteArraySigned();
-
-                    var sequence = [];
-                    sequence.push(0x02); // INTEGER
-                    sequence.push(rBa.length);
-                    sequence = sequence.concat(rBa);
-
-                    sequence.push(0x02); // INTEGER
-                    sequence.push(sBa.length);
-                    sequence = sequence.concat(sBa);
-
-                    sequence.unshift(sequence.length);
-                    sequence.unshift(0x30); // SEQUENCE
-
-                    return sequence;
-                }
-
-                var shType = sigHashType || 1;
-                var hash = txhash || Crypto.util.hexToBytes(this.transactionHash(index, shType));
-
-                if (hash) {
-                    var curve = EllipticCurve.getSECCurveByName("secp256k1");
-                    var key = bitjs.wif2privkey(wif);
-                    var priv = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(key['privkey']));
-                    var n = curve.getN();
-                    var e = BigInteger.fromByteArrayUnsigned(hash);
-                    var badrs = 0
-                    do {
-                        var k = this.deterministicK(wif, hash, badrs);
-                        var G = curve.getG();
-                        var Q = G.multiply(k);
-                        var r = Q.getX().toBigInteger().mod(n);
-                        var s = k.modInverse(n).multiply(e.add(priv.multiply(r))).mod(n);
-                        badrs++
-                    } while (r.compareTo(BigInteger.ZERO) <= 0 || s.compareTo(BigInteger.ZERO) <= 0);
-
-                    // Force lower s values per BIP62
-                    var halfn = n.shiftRight(1);
-                    if (s.compareTo(halfn) > 0) {
-                        s = n.subtract(s);
-                    };
-
-                    var sig = serializeSig(r, s);
-                    sig.push(parseInt(shType, 10));
-
-                    return Crypto.util.bytesToHex(sig);
-                } else {
-                    return false;
-                }
-            }
-
-            // https://tools.ietf.org/html/rfc6979#section-3.2
-            btrx.deterministicK = function (wif, hash, badrs) {
-                // if r or s were invalid when this function was used in signing,
-                // we do not want to actually compute r, s here for efficiency, so,
-                // we can increment badrs. explained at end of RFC 6979 section 3.2
-
-                // wif is b58check encoded wif privkey.
-                // hash is byte array of transaction digest.
-                // badrs is used only if the k resulted in bad r or s.
-
-                // some necessary things out of the way for clarity.
-                badrs = badrs || 0;
-                var key = bitjs.wif2privkey(wif);
-                var x = Crypto.util.hexToBytes(key['privkey'])
-                var curve = EllipticCurve.getSECCurveByName("secp256k1");
-                var N = curve.getN();
-
-                // Step: a
-                // hash is a byteArray of the message digest. so h1 == hash in our case
-
-                // Step: b
-                var v = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-                    1, 1, 1, 1, 1, 1
-                ];
-
-                // Step: c
-                var k = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                    0, 0, 0, 0, 0, 0
-                ];
-
-                // Step: d
-                k = Crypto.HMAC(Crypto.SHA256, v.concat([0]).concat(x).concat(hash), k, {
-                    asBytes: true
-                });
-
-                // Step: e
-                v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                    asBytes: true
-                });
-
-                // Step: f
-                k = Crypto.HMAC(Crypto.SHA256, v.concat([1]).concat(x).concat(hash), k, {
-                    asBytes: true
-                });
-
-                // Step: g
-                v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                    asBytes: true
-                });
-
-                // Step: h1
-                var T = [];
-
-                // Step: h2 (since we know tlen = qlen, just copy v to T.)
-                v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                    asBytes: true
-                });
-                T = v;
-
-                // Step: h3
-                var KBigInt = BigInteger.fromByteArrayUnsigned(T);
-
-                // loop if KBigInt is not in the range of [1, N-1] or if badrs needs incrementing.
-                var i = 0
-                while (KBigInt.compareTo(N) >= 0 || KBigInt.compareTo(BigInteger.ZERO) <= 0 || i <
-                    badrs) {
-                    k = Crypto.HMAC(Crypto.SHA256, v.concat([0]), k, {
-                        asBytes: true
-                    });
-                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                        asBytes: true
-                    });
-                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                        asBytes: true
-                    });
-                    T = v;
-                    KBigInt = BigInteger.fromByteArrayUnsigned(T);
-                    i++
-                };
-
-                return KBigInt;
-            };
-
-            /* sign a "standard" input */
-            btrx.signinput = function (index, wif, sigHashType) {
-                var key = bitjs.wif2pubkey(wif);
-                var shType = sigHashType || 1;
-                var signature = this.transactionSig(index, wif, shType);
-                var buf = [];
-                var sigBytes = Crypto.util.hexToBytes(signature);
-                buf.push(sigBytes.length);
-                buf = buf.concat(sigBytes);
-                var pubKeyBytes = Crypto.util.hexToBytes(key['pubkey']);
-                buf.push(pubKeyBytes.length);
-                buf = buf.concat(pubKeyBytes);
-                this.inputs[index].script = buf;
-                return true;
-            }
-
-            /* sign inputs */
-            btrx.sign = function (wif, sigHashType) {
-                var shType = sigHashType || 1;
-                for (var i = 0; i < this.inputs.length; i++) {
-                    this.signinput(i, wif, shType);
-                }
-                return this.serialize();
-            }
-
-
-            /* serialize a transaction */
-            btrx.serialize = function () {
-                var buffer = [];
-                buffer = buffer.concat(bitjs.numToBytes(parseInt(this.version), 4));
-
-                buffer = buffer.concat(bitjs.numToVarInt(this.inputs.length));
-                for (var i = 0; i < this.inputs.length; i++) {
-                    var txin = this.inputs[i];
-                    buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.outpoint.index), 4));
-                    var scriptBytes = txin.script;
-                    buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
-                    buffer = buffer.concat(scriptBytes);
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.sequence), 4));
-
-                }
-                buffer = buffer.concat(bitjs.numToVarInt(this.outputs.length));
-
-                for (var i = 0; i < this.outputs.length; i++) {
-                    var txout = this.outputs[i];
-                    buffer = buffer.concat(bitjs.numToBytes(txout.value, 8));
-                    var scriptBytes = txout.script;
-                    buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
-                    buffer = buffer.concat(scriptBytes);
-                }
-
-                buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime), 4));
-                flohex = ascii_to_hexa(this.floData);
-                floDataCount = this.floData.length;
-
-                //flochange -- creating unique data character count logic for floData. This string is prefixed before actual floData string in Raw Transaction
-                if (floDataCount <= 16) {
-                    floDataCountString = floDataCount.toString(16);
-                    floDataCountString = "0" + floDataCountString;
-                } else if (floDataCount < 253) {
-                    floDataCountString = floDataCount.toString(16);
-                } else if (floDataCount <= 1023) {
-                    floDataCountAdjusted = (floDataCount - 253) + parseInt("0xfd00fd");
-                    floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
-                    floDataCountString = floDataCountStringAdjusted.substr(0, 2) + floDataCountStringAdjusted.substr(4, 2) + floDataCountStringAdjusted.substr(2, 2);
-                } else {
-                    floDataCountString = "Character Limit Exceeded";
-                }
-
-
-                return Crypto.util.bytesToHex(buffer) + floDataCountString + flohex;    // flochange -- Addition of floDataCountString and floData in serialization
-            }
-
-
-
-            return btrx;
-
-        }
-
-        bitjs.numToBytes = function (num, bytes) {
-            if (typeof bytes === "undefined") bytes = 8;
-            if (bytes == 0) {
-                return [];
-            } else if (num == -1) {
-                return Crypto.util.hexToBytes("ffffffffffffffff");
-            } else {
-                return [num % 256].concat(bitjs.numToBytes(Math.floor(num / 256), bytes - 1));
-            }
-        }
-
-        bitjs.numToByteArray = function (num) {
-            if (num <= 256) {
-                return [num];
-            } else {
-                return [num % 256].concat(bitjs.numToByteArray(Math.floor(num / 256)));
-            }
-        }
-
-        bitjs.numToVarInt = function (num) {
-            if (num < 253) {
-                return [num];
-            } else if (num < 65536) {
-                return [253].concat(bitjs.numToBytes(num, 2));
-            } else if (num < 4294967296) {
-                return [254].concat(bitjs.numToBytes(num, 4));
-            } else {
-                return [255].concat(bitjs.numToBytes(num, 8));
-            }
-        }
-
-        bitjs.bytesToNum = function (bytes) {
-            if (bytes.length == 0) return 0;
-            else return bytes[0] + 256 * bitjs.bytesToNum(bytes.slice(1));
-        }
-
-        /* clone an object */
-        bitjs.clone = function (obj) {
-            if (obj == null || typeof (obj) != 'object') return obj;
-            var temp = new obj.constructor();
-
-            for (var key in obj) {
-                if (obj.hasOwnProperty(key)) {
-                    temp[key] = bitjs.clone(obj[key]);
-                }
-            }
-            return temp;
-        }
-
-        var B58 = bitjs.Base58 = {
-            alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
-            validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
-            base: BigInteger.valueOf(58),
-
-            /**
-             * Convert a byte array to a base58-encoded string.
-             *
-             * Written by Mike Hearn for BitcoinJ.
-             *   Copyright (c) 2011 Google Inc.
-             *
-             * Ported to JavaScript by Stefan Thomas.
-             */
-            encode: function (input) {
-                var bi = BigInteger.fromByteArrayUnsigned(input);
-                var chars = [];
-
-                while (bi.compareTo(B58.base) >= 0) {
-                    var mod = bi.mod(B58.base);
-                    chars.unshift(B58.alphabet[mod.intValue()]);
-                    bi = bi.subtract(mod).divide(B58.base);
-                }
-                chars.unshift(B58.alphabet[bi.intValue()]);
-
-                // Convert leading zeros too.
-                for (var i = 0; i < input.length; i++) {
-                    if (input[i] == 0x00) {
-                        chars.unshift(B58.alphabet[0]);
-                    } else break;
-                }
-
-                return chars.join('');
-            },
-
-            /**
-             * Convert a base58-encoded string to a byte array.
-             *
-             * Written by Mike Hearn for BitcoinJ.
-             *   Copyright (c) 2011 Google Inc.
-             *
-             * Ported to JavaScript by Stefan Thomas.
-             */
-            decode: function (input) {
-                var bi = BigInteger.valueOf(0);
-                var leadingZerosNum = 0;
-                for (var i = input.length - 1; i >= 0; i--) {
-                    var alphaIndex = B58.alphabet.indexOf(input[i]);
-                    if (alphaIndex < 0) {
-                        throw "Invalid character";
-                    }
-                    bi = bi.add(BigInteger.valueOf(alphaIndex)
-                        .multiply(B58.base.pow(input.length - 1 - i)));
-
-                    // This counts leading zero bytes
-                    if (input[i] == "1") leadingZerosNum++;
-                    else leadingZerosNum = 0;
-                }
-                var bytes = bi.toByteArrayUnsigned();
-
-                // Add leading zeros
-                while (leadingZerosNum-- > 0) bytes.unshift(0);
-
-                return bytes;
-            }
-        }
-        return bitjs;
-
-    })();
-
-
-
-    /*
-    Copyright (c) 2011 Stefan Thomas
-    
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-    
-    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-    
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-    */
-
-    //https://raw.github.com/bitcoinjs/bitcoinjs-lib/1a7fc9d063f864058809d06ef4542af40be3558f/src/bitcoin.js
-    (function (exports) {
-        var Bitcoin = exports;
-    })(
-        'object' === typeof module ? module.exports : (window.Bitcoin = {})
-    );
-
-    //https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
-    (function (Bitcoin) {
-        Bitcoin.Base58 = {
-            alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
-            validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
-            base: BigInteger.valueOf(58),
-
-            /**
-            * Convert a byte array to a base58-encoded string.
-            *
-            * Written by Mike Hearn for BitcoinJ.
-            *   Copyright (c) 2011 Google Inc.
-            *
-            * Ported to JavaScript by Stefan Thomas.
-            */
-            encode: function (input) {
-                var bi = BigInteger.fromByteArrayUnsigned(input);
-                var chars = [];
-
-                while (bi.compareTo(B58.base) >= 0) {
-                    var mod = bi.mod(B58.base);
-                    chars.unshift(B58.alphabet[mod.intValue()]);
-                    bi = bi.subtract(mod).divide(B58.base);
-                }
-                chars.unshift(B58.alphabet[bi.intValue()]);
-
-                // Convert leading zeros too.
-                for (var i = 0; i < input.length; i++) {
-                    if (input[i] == 0x00) {
-                        chars.unshift(B58.alphabet[0]);
-                    } else break;
-                }
-
-                return chars.join('');
-            },
-
-            /**
-            * Convert a base58-encoded string to a byte array.
-            *
-            * Written by Mike Hearn for BitcoinJ.
-            *   Copyright (c) 2011 Google Inc.
-            *
-            * Ported to JavaScript by Stefan Thomas.
-            */
-            decode: function (input) {
-                var bi = BigInteger.valueOf(0);
-                var leadingZerosNum = 0;
-                for (var i = input.length - 1; i >= 0; i--) {
-                    var alphaIndex = B58.alphabet.indexOf(input[i]);
-                    if (alphaIndex < 0) {
-                        throw "Invalid character";
-                    }
-                    bi = bi.add(BigInteger.valueOf(alphaIndex)
-                        .multiply(B58.base.pow(input.length - 1 - i)));
-
-                    // This counts leading zero bytes
-                    if (input[i] == "1") leadingZerosNum++;
-                    else leadingZerosNum = 0;
-                }
-                var bytes = bi.toByteArrayUnsigned();
-
-                // Add leading zeros
-                while (leadingZerosNum-- > 0) bytes.unshift(0);
-
-                return bytes;
-            }
-        };
-
-        var B58 = Bitcoin.Base58;
-    })(
-        'undefined' != typeof Bitcoin ? Bitcoin : module.exports
-    );
-    //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
-    Bitcoin.Address = function (bytes) {
-        if (floGlobals.blockchain == "FLO")
-            this.version = 0x23; // FLO mainnet public address
-        else if (floGlobals.blockchain == "FLO_TEST")
-            this.version = 0x73; // FLO testnet public address
-        if ("string" == typeof bytes) {
-            bytes = Bitcoin.Address.decodeString(bytes, this.version);
-        }
-        this.hash = bytes;
-    };
-
-    Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
-
-    /**
-    * Serialize this object as a standard Bitcoin address.
-    *
-    * Returns the address as a base58-encoded string in the standardized format.
-    */
-    Bitcoin.Address.prototype.toString = function () {
-        // Get a copy of the hash
-        var hash = this.hash.slice(0);
-
-        // Version
-        hash.unshift(this.version);
-        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-        var bytes = hash.concat(checksum.slice(0, 4));
-        return Bitcoin.Base58.encode(bytes);
-    };
-
-    Bitcoin.Address.prototype.getHashBase64 = function () {
-        return Crypto.util.bytesToBase64(this.hash);
-    };
-
-    /**
-    * Parse a Bitcoin address contained in a string.
-    */
-    Bitcoin.Address.decodeString = function (string, version) {
-        var bytes = Bitcoin.Base58.decode(string);
-        var hash = bytes.slice(0, 21);
-        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-
-        if (checksum[0] != bytes[21] ||
-            checksum[1] != bytes[22] ||
-            checksum[2] != bytes[23] ||
-            checksum[3] != bytes[24]) {
-            throw "Checksum validation failed!";
-        }
-
-        if (version != hash.shift()) {
-            throw "Version " + hash.shift() + " not supported!";
-        }
-
-        return hash;
-    };
-    //https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
-    Bitcoin.ECDSA = (function () {
-        var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-        var rng = new SecureRandom();
-
-        var P_OVER_FOUR = null;
-
-        function implShamirsTrick(P, k, Q, l) {
-            var m = Math.max(k.bitLength(), l.bitLength());
-            var Z = P.add2D(Q);
-            var R = P.curve.getInfinity();
-
-            for (var i = m - 1; i >= 0; --i) {
-                R = R.twice2D();
-
-                R.z = BigInteger.ONE;
-
-                if (k.testBit(i)) {
-                    if (l.testBit(i)) {
-                        R = R.add2D(Z);
-                    } else {
-                        R = R.add2D(P);
-                    }
-                } else {
-                    if (l.testBit(i)) {
-                        R = R.add2D(Q);
-                    }
-                }
-            }
-
-            return R;
-        };
-
-        var ECDSA = {
-            getBigRandom: function (limit) {
-                return new BigInteger(limit.bitLength(), rng)
-                    .mod(limit.subtract(BigInteger.ONE))
-                    .add(BigInteger.ONE);
-            },
-            sign: function (hash, priv) {
-                var d = priv;
-                var n = ecparams.getN();
-                var e = BigInteger.fromByteArrayUnsigned(hash);
-
-                do {
-                    var k = ECDSA.getBigRandom(n);
-                    var G = ecparams.getG();
-                    var Q = G.multiply(k);
-                    var r = Q.getX().toBigInteger().mod(n);
-                } while (r.compareTo(BigInteger.ZERO) <= 0);
-
-                var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
-
-                return ECDSA.serializeSig(r, s);
-            },
-
-            verify: function (hash, sig, pubkey) {
-                var r, s;
-                if (Bitcoin.Util.isArray(sig)) {
-                    var obj = ECDSA.parseSig(sig);
-                    r = obj.r;
-                    s = obj.s;
-                } else if ("object" === typeof sig && sig.r && sig.s) {
-                    r = sig.r;
-                    s = sig.s;
-                } else {
-                    throw "Invalid value for signature";
-                }
-
-                var Q;
-                if (pubkey instanceof ec.PointFp) {
-                    Q = pubkey;
-                } else if (Bitcoin.Util.isArray(pubkey)) {
-                    Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
-                } else {
-                    throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
-                }
-                var e = BigInteger.fromByteArrayUnsigned(hash);
-
-                return ECDSA.verifyRaw(e, r, s, Q);
-            },
-
-            verifyRaw: function (e, r, s, Q) {
-                var n = ecparams.getN();
-                var G = ecparams.getG();
-
-                if (r.compareTo(BigInteger.ONE) < 0 ||
-                    r.compareTo(n) >= 0)
-                    return false;
-
-                if (s.compareTo(BigInteger.ONE) < 0 ||
-                    s.compareTo(n) >= 0)
-                    return false;
-
-                var c = s.modInverse(n);
-
-                var u1 = e.multiply(c).mod(n);
-                var u2 = r.multiply(c).mod(n);
-
-                // TODO(!!!): For some reason Shamir's trick isn't working with
-                // signed message verification!? Probably an implementation
-                // error!
-                //var point = implShamirsTrick(G, u1, Q, u2);
-                var point = G.multiply(u1).add(Q.multiply(u2));
-
-                var v = point.getX().toBigInteger().mod(n);
-
-                return v.equals(r);
-            },
-
-            /**
-            * Serialize a signature into DER format.
-            *
-            * Takes two BigIntegers representing r and s and returns a byte array.
-            */
-            serializeSig: function (r, s) {
-                var rBa = r.toByteArraySigned();
-                var sBa = s.toByteArraySigned();
-
-                var sequence = [];
-                sequence.push(0x02); // INTEGER
-                sequence.push(rBa.length);
-                sequence = sequence.concat(rBa);
-
-                sequence.push(0x02); // INTEGER
-                sequence.push(sBa.length);
-                sequence = sequence.concat(sBa);
-
-                sequence.unshift(sequence.length);
-                sequence.unshift(0x30); // SEQUENCE
-
-                return sequence;
-            },
-
-            /**
-            * Parses a byte array containing a DER-encoded signature.
-            *
-            * This function will return an object of the form:
-            *
-            * {
-            *   r: BigInteger,
-            *   s: BigInteger
-            * }
-            */
-            parseSig: function (sig) {
-                var cursor;
-                if (sig[0] != 0x30)
-                    throw new Error("Signature not a valid DERSequence");
-
-                cursor = 2;
-                if (sig[cursor] != 0x02)
-                    throw new Error("First element in signature must be a DERInteger");;
-                var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-                cursor += 2 + sig[cursor + 1];
-                if (sig[cursor] != 0x02)
-                    throw new Error("Second element in signature must be a DERInteger");
-                var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-                cursor += 2 + sig[cursor + 1];
-
-                //if (cursor != sig.length)
-                //  throw new Error("Extra bytes in signature");
-
-                var r = BigInteger.fromByteArrayUnsigned(rBa);
-                var s = BigInteger.fromByteArrayUnsigned(sBa);
-
-                return {
-                    r: r,
-                    s: s
-                };
-            },
-
-            parseSigCompact: function (sig) {
-                if (sig.length !== 65) {
-                    throw "Signature has the wrong length";
-                }
-
-                // Signature is prefixed with a type byte storing three bits of
-                // information.
-                var i = sig[0] - 27;
-                if (i < 0 || i > 7) {
-                    throw "Invalid signature type";
-                }
-
-                var n = ecparams.getN();
-                var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
-                var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
-
-                return {
-                    r: r,
-                    s: s,
-                    i: i
-                };
-            },
-
-            /**
-            * Recover a public key from a signature.
-            *
-            * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
-            * Key Recovery Operation".
-            *
-            * http://www.secg.org/download/aid-780/sec1-v2.pdf
-            */
-            recoverPubKey: function (r, s, hash, i) {
-                // The recovery parameter i has two bits.
-                i = i & 3;
-
-                // The less significant bit specifies whether the y coordinate
-                // of the compressed point is even or not.
-                var isYEven = i & 1;
-
-                // The more significant bit specifies whether we should use the
-                // first or second candidate key.
-                var isSecondKey = i >> 1;
-
-                var n = ecparams.getN();
-                var G = ecparams.getG();
-                var curve = ecparams.getCurve();
-                var p = curve.getQ();
-                var a = curve.getA().toBigInteger();
-                var b = curve.getB().toBigInteger();
-
-                // We precalculate (p + 1) / 4 where p is if the field order
-                if (!P_OVER_FOUR) {
-                    P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
-                }
-
-                // 1.1 Compute x
-                var x = isSecondKey ? r.add(n) : r;
-
-                // 1.3 Convert x to point
-                var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
-                var beta = alpha.modPow(P_OVER_FOUR, p);
-
-                var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
-                // If beta is even, but y isn't or vice versa, then convert it,
-                // otherwise we're done and y == beta.
-                var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
-
-                // 1.4 Check that nR is at infinity
-                var R = new EllipticCurve.PointFp(curve,
-                    curve.fromBigInteger(x),
-                    curve.fromBigInteger(y));
-                R.validate();
-
-                // 1.5 Compute e from M
-                var e = BigInteger.fromByteArrayUnsigned(hash);
-                var eNeg = BigInteger.ZERO.subtract(e).mod(n);
-
-                // 1.6 Compute Q = r^-1 (sR - eG)
-                var rInv = r.modInverse(n);
-                var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
-
-                Q.validate();
-                if (!ECDSA.verifyRaw(e, r, s, Q)) {
-                    throw "Pubkey recovery unsuccessful";
-                }
-
-                var pubKey = new Bitcoin.ECKey();
-                pubKey.pub = Q;
-                return pubKey;
-            },
-
-            /**
-            * Calculate pubkey extraction parameter.
-            *
-            * When extracting a pubkey from a signature, we have to
-            * distinguish four different cases. Rather than putting this
-            * burden on the verifier, Bitcoin includes a 2-bit value with the
-            * signature.
-            *
-            * This function simply tries all four cases and returns the value
-            * that resulted in a successful pubkey recovery.
-            */
-            calcPubkeyRecoveryParam: function (address, r, s, hash) {
-                for (var i = 0; i < 4; i++) {
-                    try {
-                        var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
-                        if (pubkey.getBitcoinAddress().toString() == address) {
-                            return i;
-                        }
-                    } catch (e) { }
-                }
-                throw "Unable to find valid recovery factor";
-            }
-        };
-
-        return ECDSA;
-    })();
-    Bitcoin.KeyPool = (function () {
-        var KeyPool = function () {
-            this.keyArray = [];
-
-            this.push = function (item) {
-                if (item == null || item.priv == null) return;
-                var doAdd = true;
-                // prevent duplicates from being added to the array
-                for (var index in this.keyArray) {
-                    var currentItem = this.keyArray[index];
-                    if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
-                        doAdd = false;
-                        break;
-                    }
-                }
-                if (doAdd) this.keyArray.push(item);
-            };
-
-            this.reset = function () {
-                this.keyArray = [];
-            };
-
-            this.getArray = function () {
-                // copy array
-                return this.keyArray.slice(0);
-            };
-
-            this.setArray = function (ka) {
-                this.keyArray = ka;
-            };
-
-            this.length = function () {
-                return this.keyArray.length;
-            };
-
-            this.toString = function () {
-                var keyPoolString = "# = " + this.length() + "\n";
-                var pool = this.getArray();
-                for (var index in pool) {
-                    var item = pool[index];
-                    if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
-                        if (item != null) {
-                            keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
-                        }
-                    }
-                }
-
-                return keyPoolString;
-            };
-
-            return this;
-        };
-
-        return new KeyPool();
-    })();
-
-    Bitcoin.Bip38Key = (function () {
-        var Bip38 = function (address, encryptedKey) {
-            this.address = address;
-            this.priv = encryptedKey;
-        };
-
-        Bip38.prototype.getBitcoinAddress = function () {
-            return this.address;
-        };
-
-        Bip38.prototype.toString = function () {
-            return this.priv;
-        };
-
-        return Bip38;
-    })();
-
-    //https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
-    Bitcoin.ECKey = (function () {
-        var ECDSA = Bitcoin.ECDSA;
-        var KeyPool = Bitcoin.KeyPool;
-        var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-
-        var ECKey = function (input) {
-            if (!input) {
-                // Generate new key
-                var n = ecparams.getN();
-                this.priv = ECDSA.getBigRandom(n);
-            } else if (input instanceof BigInteger) {
-                // Input is a private key value
-                this.priv = input;
-            } else if (Bitcoin.Util.isArray(input)) {
-                // Prepend zero byte to prevent interpretation as negative integer
-                this.priv = BigInteger.fromByteArrayUnsigned(input);
-            } else if ("string" == typeof input) {
-                var bytes = null;
-                try {
-
-                    // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
-                    if (((floGlobals.blockchain == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
-                        ((floGlobals.blockchain == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
-                        bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                        this.compressed = true;
-                    } else if (ECKey.isHexFormat(input)) {
-                        bytes = Crypto.util.hexToBytes(input);
-                    }
-
-
-                    /*
-                        if (ECKey.isWalletImportFormat(input)) {
-                            bytes = ECKey.decodeWalletImportFormat(input);
-                        } else if (ECKey.isCompressedWalletImportFormat(input)) {
-                            bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                            this.compressed = true;
-                        } else if (ECKey.isMiniFormat(input)) {
-                            bytes = Crypto.SHA256(input, { asBytes: true });
-                        } else if (ECKey.isHexFormat(input)) {
-                            bytes = Crypto.util.hexToBytes(input);
-                        } else if (ECKey.isBase64Format(input)) {
-                            bytes = Crypto.util.base64ToBytes(input);
-                        }
-                        */
-                } catch (exc1) {
-                    this.setError(exc1);
-                }
-
-                if (ECKey.isBase6Format(input)) {
-                    this.priv = new BigInteger(input, 6);
-                } else if (bytes == null || bytes.length != 32) {
-                    this.priv = null;
-                } else {
-                    // Prepend zero byte to prevent interpretation as negative integer
-                    this.priv = BigInteger.fromByteArrayUnsigned(bytes);
-                }
-            }
-
-            this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
-            try {
-                // check not zero
-                if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
-                // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
-                var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
-                var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
-                var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
-                if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
-
-                if (this.priv != null) {
-                    KeyPool.push(this);
-                }
-            } catch (exc2) {
-                this.setError(exc2);
-            }
-        };
-
-        if (floGlobals.blockchain == "FLO")
-            ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
-        else if (floGlobals.blockchain == "FLO_TEST")
-            ECKey.privateKeyPrefix = 0xEF; //FLO testnet
-
-        /**
-        * Whether public keys should be returned compressed by default.
-        */
-        ECKey.compressByDefault = false;
-
-        /**
-        * Set whether the public key should be returned compressed or not.
-        */
-        ECKey.prototype.setError = function (err) {
-            this.error = err;
-            this.priv = null;
-            return this;
-        };
-
-        /**
-        * Set whether the public key should be returned compressed or not.
-        */
-        ECKey.prototype.setCompressed = function (v) {
-            this.compressed = !!v;
-            if (this.pubPoint) this.pubPoint.compressed = this.compressed;
-            return this;
-        };
-
-        /*
-        * Return public key as a byte array in DER encoding
-        */
-        ECKey.prototype.getPub = function () {
-            if (this.compressed) {
-                if (this.pubComp) return this.pubComp;
-                return this.pubComp = this.getPubPoint().getEncoded(1);
-            } else {
-                if (this.pubUncomp) return this.pubUncomp;
-                return this.pubUncomp = this.getPubPoint().getEncoded(0);
-            }
-        };
-
-        /**
-        * Return public point as ECPoint object.
-        */
-        ECKey.prototype.getPubPoint = function () {
-            if (!this.pubPoint) {
-                this.pubPoint = ecparams.getG().multiply(this.priv);
-                this.pubPoint.compressed = this.compressed;
-            }
-            return this.pubPoint;
-        };
-
-        ECKey.prototype.getPubKeyHex = function () {
-            if (this.compressed) {
-                if (this.pubKeyHexComp) return this.pubKeyHexComp;
-                return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-            } else {
-                if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
-                return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-            }
-        };
-
-        /**
-        * Get the pubKeyHash for this key.
-        *
-        * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
-        * a byte array.
-        */
-        ECKey.prototype.getPubKeyHash = function () {
-            if (this.compressed) {
-                if (this.pubKeyHashComp) return this.pubKeyHashComp;
-                return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
-            } else {
-                if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
-                return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
-            }
-        };
-
-        ECKey.prototype.getBitcoinAddress = function () {
-            var hash = this.getPubKeyHash();
-            var addr = new Bitcoin.Address(hash);
-            return addr.toString();
-        };
-
-        /*
-        * Takes a public point as a hex string or byte array
-        */
-        ECKey.prototype.setPub = function (pub) {
-            // byte array
-            if (Bitcoin.Util.isArray(pub)) {
-                pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
-            }
-            var ecPoint = ecparams.getCurve().decodePointHex(pub);
-            this.setCompressed(ecPoint.compressed);
-            this.pubPoint = ecPoint;
-            return this;
-        };
-
-        // Sipa Private Key Wallet Import Format
-        ECKey.prototype.getBitcoinWalletImportFormat = function () {
-            var bytes = this.getBitcoinPrivateKeyByteArray();
-            if (bytes == null) return "";
-            bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
-            if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
-            var checksum = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
-            bytes = bytes.concat(checksum.slice(0, 4));
-            var privWif = Bitcoin.Base58.encode(bytes);
-            return privWif;
-        };
-
-        // Private Key Hex Format
-        ECKey.prototype.getBitcoinHexFormat = function () {
-            return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
-        };
-
-        // Private Key Base64 Format
-        ECKey.prototype.getBitcoinBase64Format = function () {
-            return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
-        };
-
-        ECKey.prototype.getBitcoinPrivateKeyByteArray = function () {
-            if (this.priv == null) return null;
-            // Get a copy of private key as a byte array
-            var bytes = this.priv.toByteArrayUnsigned();
-            // zero pad if private key is less than 32 bytes
-            while (bytes.length < 32) bytes.unshift(0x00);
-            return bytes;
-        };
-
-        ECKey.prototype.toString = function (format) {
-            format = format || "";
-            if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
-                return this.getBitcoinBase64Format();
-            }
-            // Wallet Import Format
-            else if (format.toString().toLowerCase() == "wif") {
-                return this.getBitcoinWalletImportFormat();
-            }
-            else {
-                return this.getBitcoinHexFormat();
-            }
-        };
-
-        ECKey.prototype.sign = function (hash) {
-            return ECDSA.sign(hash, this.priv);
-        };
-
-        ECKey.prototype.verify = function (hash, sig) {
-            return ECDSA.verify(hash, sig, this.getPub());
-        };
-
-        /**
-        * Parse a wallet import format private key contained in a string.
-        */
-        ECKey.decodeWalletImportFormat = function (privStr) {
-            var bytes = Bitcoin.Base58.decode(privStr);
-            var hash = bytes.slice(0, 33);
-            var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-            if (checksum[0] != bytes[33] ||
-                checksum[1] != bytes[34] ||
-                checksum[2] != bytes[35] ||
-                checksum[3] != bytes[36]) {
-                throw "Checksum validation failed!";
-
-            }
-            var version = hash.shift();
-            if (version != ECKey.privateKeyPrefix) {
-                throw "Version " + version + " not supported!";
-            }
-            return hash;
-        };
-
-        /**
-        * Parse a compressed wallet import format private key contained in a string.
-        */
-        ECKey.decodeCompressedWalletImportFormat = function (privStr) {
-            var bytes = Bitcoin.Base58.decode(privStr);
-            var hash = bytes.slice(0, 34);
-            var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-            if (checksum[0] != bytes[34] ||
-                checksum[1] != bytes[35] ||
-                checksum[2] != bytes[36] ||
-                checksum[3] != bytes[37]) {
-                throw "Checksum validation failed!";
-            }
-            var version = hash.shift();
-            if (version != ECKey.privateKeyPrefix) {
-                throw "Version " + version + " not supported!";
-            }
-            hash.pop();
-            return hash;
-        };
-
-        // 64 characters [0-9A-F]
-        ECKey.isHexFormat = function (key) {
-            key = key.toString();
-            return /^[A-Fa-f0-9]{64}$/.test(key);
-        };
-
-        // 51 characters base58, always starts with a '5'
-        ECKey.isWalletImportFormat = function (key) {
-            key = key.toString();
-            return (ECKey.privateKeyPrefix == 0x80) ?
-                (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
-                (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
-        };
-
-        // 52 characters base58
-        ECKey.isCompressedWalletImportFormat = function (key) {
-            key = key.toString();
-            return (ECKey.privateKeyPrefix == 0x80) ?
-                (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
-                (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
-        };
-
-        // 44 characters
-        ECKey.isBase64Format = function (key) {
-            key = key.toString();
-            return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
-        };
-
-        // 99 characters, 1=1, if using dice convert 6 to 0
-        ECKey.isBase6Format = function (key) {
-            key = key.toString();
-            return (/^[012345]{99}$/.test(key));
-        };
-
-        // 22, 26 or 30 characters, always starts with an 'S'
-        ECKey.isMiniFormat = function (key) {
-            key = key.toString();
-            var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
-            var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
-            var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
-            var testBytes = Crypto.SHA256(key + "?", { asBytes: true });
-
-            return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
-        };
-
-        return ECKey;
-    })();
-    //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
-    // Bitcoin utility functions
-    Bitcoin.Util = {
-        /**
-        * Cross-browser compatibility version of Array.isArray.
-        */
-        isArray: Array.isArray || function (o) {
-            return Object.prototype.toString.call(o) === '[object Array]';
-        },
-        /**
-        * Create an array of a certain length filled with a specific value.
-        */
-        makeFilledArray: function (len, val) {
-            var array = [];
-            var i = 0;
-            while (i < len) {
-                array[i++] = val;
-            }
-            return array;
-        },
-        /**
-        * Turn an integer into a "var_int".
-        *
-        * "var_int" is a variable length integer used by Bitcoin's binary format.
-        *
-        * Returns a byte array.
-        */
-        numToVarInt: function (i) {
-            if (i < 0xfd) {
-                // unsigned char
-                return [i];
-            } else if (i <= 1 << 16) {
-                // unsigned short (LE)
-                return [0xfd, i >>> 8, i & 255];
-            } else if (i <= 1 << 32) {
-                // unsigned int (LE)
-                return [0xfe].concat(Crypto.util.wordsToBytes([i]));
-            } else {
-                // unsigned long long (LE)
-                return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
-            }
-        },
-        /**
-        * Parse a Bitcoin value byte array, returning a BigInteger.
-        */
-        valueToBigInt: function (valueBuffer) {
-            if (valueBuffer instanceof BigInteger) return valueBuffer;
-
-            // Prepend zero byte to prevent interpretation as negative integer
-            return BigInteger.fromByteArrayUnsigned(valueBuffer);
-        },
-        /**
-        * Format a Bitcoin value as a string.
-        *
-        * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
-        * nice standard formatting.
-        *
-        * Examples:
-        * 12.3555
-        * 0.1234
-        * 900.99998888
-        * 34.00
-        */
-        formatValue: function (valueBuffer) {
-            var value = this.valueToBigInt(valueBuffer).toString();
-            var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
-            var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
-            while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
-            decimalPart = decimalPart.replace(/0*$/, '');
-            while (decimalPart.length < 2) decimalPart += "0";
-            return integerPart + "." + decimalPart;
-        },
-        /**
-        * Parse a floating point string as a Bitcoin value.
-        *
-        * Keep in mind that parsing user input is messy. You should always display
-        * the parsed value back to the user to make sure we understood his input
-        * correctly.
-        */
-        parseValue: function (valueString) {
-            // TODO: Detect other number formats (e.g. comma as decimal separator)
-            var valueComp = valueString.split('.');
-            var integralPart = valueComp[0];
-            var fractionalPart = valueComp[1] || "0";
-            while (fractionalPart.length < 8) fractionalPart += "0";
-            fractionalPart = fractionalPart.replace(/^0+/g, '');
-            var value = BigInteger.valueOf(parseInt(integralPart));
-            value = value.multiply(BigInteger.valueOf(100000000));
-            value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
-            return value;
-        },
-        /**
-        * Calculate RIPEMD160(SHA256(data)).
-        *
-        * Takes an arbitrary byte array as inputs and returns the hash as a byte
-        * array.
-        */
-        sha256ripe160: function (data) {
-            return ripemd160(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-        },
-        // double sha256
-        dsha256: function (data) {
-            return Crypto.SHA256(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-        },
-        // duck typing method
-        hasMethods: function (obj /*, method list as strings */) {
-            var i = 1, methodName;
-            while ((methodName = arguments[i++])) {
-                if (typeof obj[methodName] != 'function') {
-                    return false;
-                }
-            }
-            return true;
-        }
-    };
-
-
-    (function (ellipticCurveType) {
-
-        //Defining Elliptic Encryption Object  
-        var ellipticEncryption = window.ellipticCurveEncryption = function () { };
-
-        ellipticEncryption.rng = new SecureRandom();
-
-
-
-        ellipticEncryption.getCurveParameters = function (curveName) {
-
-            //Default is secp256k1
-            curveName = typeof curveName !== 'undefined' ? curveName : "secp256k1";
-
-            var c = EllipticCurve.getSECCurveByName(curveName);
-            var curveDetails = {
-                Q: "",
-                A: "",
-                B: "",
-                GX: "",
-                GY: "",
-                N: ""
-            };
-
-            curveDetails.Q = c.getCurve().getQ().toString();
-            curveDetails.A = c.getCurve().getA().toBigInteger().toString();
-            curveDetails.B = c.getCurve().getB().toBigInteger().toString();
-            curveDetails.GX = c.getG().getX().toBigInteger().toString();
-            curveDetails.GY = c.getG().getY().toBigInteger().toString();
-            curveDetails.N = c.getN().toString();
-
-            return curveDetails;
-
-        }
-
-        ellipticEncryption.selectedCurve = ellipticEncryption.getCurveParameters(ellipticCurveType);
-
-
-        ellipticEncryption.get_curve = function () {
-            return new EllipticCurve.CurveFp(new BigInteger(this.selectedCurve.Q),
-                new BigInteger(this.selectedCurve.A),
-                new BigInteger(this.selectedCurve.B));
-        }
-
-        ellipticEncryption.get_G = function (curve) {
-            return new EllipticCurve.PointFp(curve,
-                curve.fromBigInteger(new BigInteger(this.selectedCurve.GX)),
-                curve.fromBigInteger(new BigInteger(this.selectedCurve.GY)));
-        }
-
-
-        ellipticEncryption.pick_rand = function () {
-            var n = new BigInteger(this.selectedCurve.N);
-            var n1 = n.subtract(BigInteger.ONE);
-            var r = new BigInteger(n.bitLength(), this.rng);
-            return r.mod(n1).add(BigInteger.ONE);
-        }
-
-
-        ellipticEncryption.senderRandom = function () {
-            var r = this.pick_rand();
-            return r.toString();
-        };
-
-
-
-        ellipticEncryption.receiverRandom = function () {
-
-            //This is receivers private key. For now we will use random. CHANGE IT LATER
-            var r = this.pick_rand();
-            return r.toString();
-        }
-
-
-
-        ellipticEncryption.senderPublicString = function (senderPrivateKey) {
-
-            var senderKeyECData = {};
-
-            var curve = this.get_curve();
-            var G = this.get_G(curve);
-            var a = new BigInteger(senderPrivateKey);
-            var P = G.multiply(a);
-            senderKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
-            senderKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
-
-            return senderKeyECData;
-        }
-
-        //In real life ellipticEncryption.receiverPublicString is the public key of the receiver.
-        //you don't have to run receiverRandom and the bottom function 
-        ellipticEncryption.receiverPublicString = function (receiverPublicKey) {
-
-            var receiverKeyECData = {};
-
-            var curve = this.get_curve();
-            var G = this.get_G(curve);
-            var a = new BigInteger(receiverPublicKey);
-            var P = G.multiply(a);
-            receiverKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
-            receiverKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
-
-            return receiverKeyECData;
-        }
-
-        ellipticEncryption.senderSharedKeyDerivation = function (receiverPublicStringXValue,
-            receiverPublicStringYValue, senderPrivateKey) {
-
-            var senderDerivedKey = {};
-            var curve = this.get_curve();
-            var P = new EllipticCurve.PointFp(curve,
-                curve.fromBigInteger(new BigInteger(receiverPublicStringXValue)),
-                curve.fromBigInteger(new BigInteger(receiverPublicStringYValue)));
-            var a = new BigInteger(senderPrivateKey);
-            var S = P.multiply(a);
-
-            senderDerivedKey.XValue = S.getX().toBigInteger().toString();
-            senderDerivedKey.YValue = S.getY().toBigInteger().toString();
-
-            return senderDerivedKey;
-        }
-
-
-        ellipticEncryption.receiverSharedKeyDerivation = function (senderPublicStringXValue,
-            senderPublicStringYValue, receiverPrivateKey) {
-
-            var receiverDerivedKey = {};
-            var curve = this.get_curve();
-            var P = new EllipticCurve.PointFp(curve,
-                curve.fromBigInteger(new BigInteger(senderPublicStringXValue)),
-                curve.fromBigInteger(new BigInteger(senderPublicStringYValue)));
-            var a = new BigInteger(receiverPrivateKey);
-            var S = P.multiply(a);
-
-            receiverDerivedKey.XValue = S.getX().toBigInteger().toString();
-            receiverDerivedKey.YValue = S.getY().toBigInteger().toString();
-
-            return receiverDerivedKey;
-        }
-
-    })("secp256k1");
-
-
-    // secrets.js - by Alexander Stetsyuk - released under MIT License
-    (function (exports, global) {
-        var defaults = {
-            bits: 8, // default number of bits
-            radix: 16, // work with HEX by default
-            minBits: 3,
-            maxBits: 20, // this permits 1,048,575 shares, though going this high is NOT recommended in JS!
-
-            bytesPerChar: 2,
-            maxBytesPerChar: 6, // Math.pow(256,7) > Math.pow(2,53)
-
-            // Primitive polynomials (in decimal form) for Galois Fields GF(2^n), for 2 <= n <= 30
-            // The index of each term in the array corresponds to the n for that polynomial
-            // i.e. to get the polynomial for n=16, use primitivePolynomials[16]
-            primitivePolynomials: [null, null, 1, 3, 3, 5, 3, 3, 29, 17, 9, 5, 83, 27, 43, 3, 45, 9, 39, 39,
-                9, 5, 3, 33, 27, 9, 71, 39, 9, 5, 83
-            ],
-
-            // warning for insecure PRNG
-            warning: 'WARNING:\nA secure random number generator was not found.\nUsing Math.random(), which is NOT cryptographically strong!'
-        };
-
-        // Protected settings object
-        var config = {};
-
-        /** @expose **/
-        exports.getConfig = function () {
-            return {
-                'bits': config.bits,
-                'unsafePRNG': config.unsafePRNG
-            };
-        };
-
-        function init(bits) {
-            if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                defaults.maxBits)) {
-                throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
-                    defaults.maxBits + ', inclusive.')
-            }
-
-            config.radix = defaults.radix;
-            config.bits = bits || defaults.bits;
-            config.size = Math.pow(2, config.bits);
-            config.max = config.size - 1;
-
-            // Construct the exp and log tables for multiplication.
-            var logs = [],
-                exps = [],
-                x = 1,
-                primitive = defaults.primitivePolynomials[config.bits];
-            for (var i = 0; i < config.size; i++) {
-                exps[i] = x;
-                logs[x] = i;
-                x <<= 1;
-                if (x >= config.size) {
-                    x ^= primitive;
-                    x &= config.max;
-                }
-            }
-
-            config.logs = logs;
-            config.exps = exps;
-        };
-
-        /** @expose **/
-        exports.init = init;
-
-        function isInited() {
-            if (!config.bits || !config.size || !config.max || !config.logs || !config.exps || config.logs.length !==
-                config.size || config.exps.length !== config.size) {
-                return false;
-            }
-            return true;
-        };
-
-        // Returns a pseudo-random number generator of the form function(bits){}
-        // which should output a random string of 1's and 0's of length `bits`
-        function getRNG() {
-            var randomBits, crypto;
-
-            function construct(bits, arr, radix, size) {
-                var str = '',
-                    i = 0,
-                    len = arr.length - 1;
-                while (i < len || (str.length < bits)) {
-                    str += padLeft(parseInt(arr[i], radix).toString(2), size);
-                    i++;
-                }
-                str = str.substr(-bits);
-                if ((str.match(/0/g) || []).length === str.length) { // all zeros?
-                    return null;
-                } else {
-                    return str;
-                }
-            }
-
-            // node.js crypto.randomBytes()
-            if (typeof require === 'function' && (crypto = require('crypto')) && (randomBits = crypto[
-                'randomBytes'])) {
-                return function (bits) {
-                    var bytes = Math.ceil(bits / 8),
-                        str = null;
-
-                    while (str === null) {
-                        str = construct(bits, randomBits(bytes).toString('hex'), 16, 4);
-                    }
-                    return str;
-                }
-            }
-
-            // browsers with window.crypto.getRandomValues()
-            if (global['crypto'] && typeof global['crypto']['getRandomValues'] === 'function' && typeof global[
-                'Uint32Array'] === 'function') {
-                crypto = global['crypto'];
-                return function (bits) {
-                    var elems = Math.ceil(bits / 32),
-                        str = null,
-                        arr = new global['Uint32Array'](elems);
-
-                    while (str === null) {
-                        crypto['getRandomValues'](arr);
-                        str = construct(bits, arr, 10, 32);
-                    }
-
-                    return str;
-                }
-            }
-
-            // A totally insecure RNG!!! (except in Safari)
-            // Will produce a warning every time it is called.
-            config.unsafePRNG = true;
-            warn();
-
-            var bitsPerNum = 32;
-            var max = Math.pow(2, bitsPerNum) - 1;
-            return function (bits) {
-                var elems = Math.ceil(bits / bitsPerNum);
-                var arr = [],
-                    str = null;
-                while (str === null) {
-                    for (var i = 0; i < elems; i++) {
-                        arr[i] = Math.floor(Math.random() * max + 1);
-                    }
-                    str = construct(bits, arr, 10, bitsPerNum);
-                }
-                return str;
-            };
-        };
-
-        // Warn about using insecure rng.
-        // Called when Math.random() is being used.
-        function warn() {
-            global['console']['warn'](defaults.warning);
-            if (typeof global['alert'] === 'function' && config.alert) {
-                global['alert'](defaults.warning);
-            }
-        }
-
-        // Set the PRNG to use. If no RNG function is supplied, pick a default using getRNG()
-        /** @expose **/
-        exports.setRNG = function (rng, alert) {
-            if (!isInited()) {
-                this.init();
-            }
-            config.unsafePRNG = false;
-            rng = rng || getRNG();
-
-            // test the RNG (5 times)
-            if (typeof rng !== 'function' || typeof rng(config.bits) !== 'string' || !parseInt(rng(config.bits),
-                2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
-                throw new Error(
-                    "Random number generator is invalid. Supply an RNG of the form function(bits){} that returns a string containing 'bits' number of random 1's and 0's."
-                )
-            } else {
-                config.rng = rng;
-            }
-            config.alert = !!alert;
-
-            return !!config.unsafePRNG;
-        };
-
-        function isSetRNG() {
-            return typeof config.rng === 'function';
-        };
-
-        // Generates a random bits-length number string using the PRNG
-        /** @expose **/
-        exports.random = function (bits) {
-            if (!isSetRNG()) {
-                this.setRNG();
-            }
-
-            if (typeof bits !== 'number' || bits % 1 !== 0 || bits < 2) {
-                throw new Error('Number of bits must be an integer greater than 1.')
-            }
-
-            if (config.unsafePRNG) {
-                warn();
-            }
-            return bin2hex(config.rng(bits));
-        }
-
-        // Divides a `secret` number String str expressed in radix `inputRadix` (optional, default 16)
-        // into `numShares` shares, each expressed in radix `outputRadix` (optional, default to `inputRadix`),
-        // requiring `threshold` number of shares to reconstruct the secret.
-        // Optionally, zero-pads the secret to a length that is a multiple of padLength before sharing.
-        /** @expose **/
-        exports.share = function (secret, numShares, threshold, padLength, withoutPrefix) {
-            if (!isInited()) {
-                this.init();
-            }
-            if (!isSetRNG()) {
-                this.setRNG();
-            }
-
-            padLength = padLength || 0;
-
-            if (typeof secret !== 'string') {
-                throw new Error('Secret must be a string.');
-            }
-            if (typeof numShares !== 'number' || numShares % 1 !== 0 || numShares < 2) {
-                throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
-                    '), inclusive.')
-            }
-            if (numShares > config.max) {
-                var neededBits = Math.ceil(Math.log(numShares + 1) / Math.LN2);
-                throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
-                    '), inclusive. To create ' + numShares + ' shares, use at least ' + neededBits +
-                    ' bits.')
-            }
-            if (typeof threshold !== 'number' || threshold % 1 !== 0 || threshold < 2) {
-                throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
-                    config.max + '), inclusive.');
-            }
-            if (threshold > config.max) {
-                var neededBits = Math.ceil(Math.log(threshold + 1) / Math.LN2);
-                throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
-                    config.max + '), inclusive.  To use a threshold of ' + threshold +
-                    ', use at least ' + neededBits + ' bits.');
-            }
-            if (typeof padLength !== 'number' || padLength % 1 !== 0) {
-                throw new Error('Zero-pad length must be an integer greater than 1.');
-            }
-
-            if (config.unsafePRNG) {
-                warn();
-            }
-
-            secret = '1' + hex2bin(secret); // append a 1 so that we can preserve the correct number of leading zeros in our secret
-            secret = split(secret, padLength);
-            var x = new Array(numShares),
-                y = new Array(numShares);
-            for (var i = 0, len = secret.length; i < len; i++) {
-                var subShares = this._getShares(secret[i], numShares, threshold);
-                for (var j = 0; j < numShares; j++) {
-                    x[j] = x[j] || subShares[j].x.toString(config.radix);
-                    y[j] = padLeft(subShares[j].y.toString(2)) + (y[j] ? y[j] : '');
-                }
-            }
-            var padding = config.max.toString(config.radix).length;
-            if (withoutPrefix) {
-                for (var i = 0; i < numShares; i++) {
-                    x[i] = bin2hex(y[i]);
-                }
-            } else {
-                for (var i = 0; i < numShares; i++) {
-                    x[i] = config.bits.toString(36).toUpperCase() + padLeft(x[i], padding) + bin2hex(y[i]);
-                }
-            }
-
-            return x;
-        };
-
-        // This is the basic polynomial generation and evaluation function
-        // for a `config.bits`-length secret (NOT an arbitrary length)
-        // Note: no error-checking at this stage! If `secrets` is NOT
-        // a NUMBER less than 2^bits-1, the output will be incorrect!
-        /** @expose **/
-        exports._getShares = function (secret, numShares, threshold) {
-            var shares = [];
-            var coeffs = [secret];
-
-            for (var i = 1; i < threshold; i++) {
-                coeffs[i] = parseInt(config.rng(config.bits), 2);
-            }
-            for (var i = 1, len = numShares + 1; i < len; i++) {
-                shares[i - 1] = {
-                    x: i,
-                    y: horner(i, coeffs)
-                }
-            }
-            return shares;
-        };
-
-        // Polynomial evaluation at `x` using Horner's Method
-        // TODO: this can possibly be sped up using other methods
-        // NOTE: fx=fx * x + coeff[i] ->  exp(log(fx) + log(x)) + coeff[i],
-        //       so if fx===0, just set fx to coeff[i] because
-        //       using the exp/log form will result in incorrect value
-        function horner(x, coeffs) {
-            var logx = config.logs[x];
-            var fx = 0;
-            for (var i = coeffs.length - 1; i >= 0; i--) {
-                if (fx === 0) {
-                    fx = coeffs[i];
-                    continue;
-                }
-                fx = config.exps[(logx + config.logs[fx]) % config.max] ^ coeffs[i];
-            }
-            return fx;
-        };
-
-        function inArray(arr, val) {
-            for (var i = 0, len = arr.length; i < len; i++) {
-                if (arr[i] === val) {
-                    return true;
-                }
-            }
-            return false;
-        };
-
-        function processShare(share) {
-
-            var bits = parseInt(share[0], 36);
-            if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                defaults.maxBits)) {
-                throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
-                    defaults.maxBits + ', inclusive.')
-            }
-
-            var max = Math.pow(2, bits) - 1;
-            var idLength = max.toString(config.radix).length;
-
-            var id = parseInt(share.substr(1, idLength), config.radix);
-            if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
-                throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
-            }
-            share = share.substr(idLength + 1);
-            if (!share.length) {
-                throw new Error('Invalid share: zero-length share.')
-            }
-            return {
-                'bits': bits,
-                'id': id,
-                'value': share
-            };
-        };
-
-        /** @expose **/
-        exports._processShare = processShare;
-
-        // Protected method that evaluates the Lagrange interpolation
-        // polynomial at x=`at` for individual config.bits-length
-        // segments of each share in the `shares` Array.
-        // Each share is expressed in base `inputRadix`. The output
-        // is expressed in base `outputRadix'
-        function combine(at, shares) {
-            var setBits, share, x = [],
-                y = [],
-                result = '',
-                idx;
-
-            for (var i = 0, len = shares.length; i < len; i++) {
-                share = processShare(shares[i]);
-                if (typeof setBits === 'undefined') {
-                    setBits = share['bits'];
-                } else if (share['bits'] !== setBits) {
-                    throw new Error('Mismatched shares: Different bit settings.')
-                }
-
-                if (config.bits !== setBits) {
-                    init(setBits);
-                }
-
-                if (inArray(x, share['id'])) { // repeated x value?
-                    continue;
-                }
-
-                idx = x.push(share['id']) - 1;
-                share = split(hex2bin(share['value']));
-                for (var j = 0, len2 = share.length; j < len2; j++) {
-                    y[j] = y[j] || [];
-                    y[j][idx] = share[j];
-                }
-            }
-
-            for (var i = 0, len = y.length; i < len; i++) {
-                result = padLeft(lagrange(at, x, y[i]).toString(2)) + result;
-            }
-
-            if (at === 0) { // reconstructing the secret
-                var idx = result.indexOf('1'); //find the first 1
-                return bin2hex(result.slice(idx + 1));
-            } else { // generating a new share
-                return bin2hex(result);
-            }
-        };
-
-        // Combine `shares` Array into the original secret
-        /** @expose **/
-        exports.combine = function (shares) {
-            return combine(0, shares);
-        };
-
-        // Generate a new share with id `id` (a number between 1 and 2^bits-1)
-        // `id` can be a Number or a String in the default radix (16)
-        /** @expose **/
-        exports.newShare = function (id, shares) {
-            if (typeof id === 'string') {
-                id = parseInt(id, config.radix);
-            }
-
-            var share = processShare(shares[0]);
-            var max = Math.pow(2, share['bits']) - 1;
-
-            if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
-                throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
-            }
-
-            var padding = max.toString(config.radix).length;
-            return config.bits.toString(36).toUpperCase() + padLeft(id.toString(config.radix), padding) +
-                combine(id, shares);
-        };
-
-        // Evaluate the Lagrange interpolation polynomial at x = `at`
-        // using x and y Arrays that are of the same length, with
-        // corresponding elements constituting points on the polynomial.
-        function lagrange(at, x, y) {
-            var sum = 0,
-                product,
-                i, j;
-
-            for (var i = 0, len = x.length; i < len; i++) {
-                if (!y[i]) {
-                    continue;
-                }
-
-                product = config.logs[y[i]];
-                for (var j = 0; j < len; j++) {
-                    if (i === j) {
-                        continue;
-                    }
-                    if (at === x[j]) { // happens when computing a share that is in the list of shares used to compute it
-                        product = -1; // fix for a zero product term, after which the sum should be sum^0 = sum, not sum^1
-                        break;
-                    }
-                    product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */) %
-                        config.max;
-                }
-
-                sum = product === -1 ? sum : sum ^ config.exps[product]; // though exps[-1]= undefined and undefined ^ anything = anything in chrome, this behavior may not hold everywhere, so do the check
-            }
-            return sum;
-        };
-
-        /** @expose **/
-        exports._lagrange = lagrange;
-
-        // Splits a number string `bits`-length segments, after first
-        // optionally zero-padding it to a length that is a multiple of `padLength.
-        // Returns array of integers (each less than 2^bits-1), with each element
-        // representing a `bits`-length segment of the input string from right to left,
-        // i.e. parts[0] represents the right-most `bits`-length segment of the input string.
-        function split(str, padLength) {
-            if (padLength) {
-                str = padLeft(str, padLength)
-            }
-            var parts = [];
-            for (var i = str.length; i > config.bits; i -= config.bits) {
-                parts.push(parseInt(str.slice(i - config.bits, i), 2));
-            }
-            parts.push(parseInt(str.slice(0, i), 2));
-            return parts;
-        };
-
-        // Pads a string `str` with zeros on the left so that its length is a multiple of `bits`
-        function padLeft(str, bits) {
-            bits = bits || config.bits
-            var missing = str.length % bits;
-            return (missing ? new Array(bits - missing + 1).join('0') : '') + str;
-        };
-
-        function hex2bin(str) {
-            var bin = '',
-                num;
-            for (var i = str.length - 1; i >= 0; i--) {
-                num = parseInt(str[i], 16)
-                if (isNaN(num)) {
-                    throw new Error('Invalid hex character.')
-                }
-                bin = padLeft(num.toString(2), 4) + bin;
-            }
-            return bin;
-        }
-
-        function bin2hex(str) {
-            var hex = '',
-                num;
-            str = padLeft(str, 4);
-            for (var i = str.length; i >= 4; i -= 4) {
-                num = parseInt(str.slice(i - 4, i), 2);
-                if (isNaN(num)) {
-                    throw new Error('Invalid binary character.')
-                }
-                hex = num.toString(16) + hex;
-            }
-            return hex;
-        }
-
-        // Converts a given UTF16 character string to the HEX representation.
-        // Each character of the input string is represented by
-        // `bytesPerChar` bytes in the output string.
-        /** @expose **/
-        exports.str2hex = function (str, bytesPerChar) {
-            if (typeof str !== 'string') {
-                throw new Error('Input must be a character string.');
-            }
-            bytesPerChar = bytesPerChar || defaults.bytesPerChar;
-
-            if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
-                bytesPerChar > defaults.maxBytesPerChar) {
-                throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
-                    ', inclusive.')
-            }
-
-            var hexChars = 2 * bytesPerChar;
-            var max = Math.pow(16, hexChars) - 1;
-            var out = '',
-                num;
-            for (var i = 0, len = str.length; i < len; i++) {
-                num = str[i].charCodeAt();
-                if (isNaN(num)) {
-                    throw new Error('Invalid character: ' + str[i]);
-                } else if (num > max) {
-                    var neededBytes = Math.ceil(Math.log(num + 1) / Math.log(256));
-                    throw new Error('Invalid character code (' + num +
-                        '). Maximum allowable is 256^bytes-1 (' + max +
-                        '). To convert this character, use at least ' + neededBytes + ' bytes.')
-                } else {
-                    out = padLeft(num.toString(16), hexChars) + out;
-                }
-            }
-            return out;
-        };
-
-        // Converts a given HEX number string to a UTF16 character string.
-        /** @expose **/
-        exports.hex2str = function (str, bytesPerChar) {
-            if (typeof str !== 'string') {
-                throw new Error('Input must be a hexadecimal string.');
-            }
-            bytesPerChar = bytesPerChar || defaults.bytesPerChar;
-
-            if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
-                bytesPerChar > defaults.maxBytesPerChar) {
-                throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
-                    ', inclusive.')
-            }
-
-            var hexChars = 2 * bytesPerChar;
-            var out = '';
-            str = padLeft(str, hexChars);
-            for (var i = 0, len = str.length; i < len; i += hexChars) {
-                out = String.fromCharCode(parseInt(str.slice(i, i + hexChars), 16)) + out;
-            }
-            return out;
-        };
-
-        // by default, initialize without an RNG
-        exports.init();
-    })(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['shamirSecretShare'] = {}),
-        typeof global !== 'undefined' ? global : window);
-
-    //For diff base
-    /*
-    Functions available:
-    diff(originalObj, updatedObj) returns the difference of the original and updated objects
-    addedDiff(original, updatedObj) returns only the values added to the updated object
-    deletedDiff(original, updatedObj) returns only the values deleted in the updated object
-    updatedDiff(original, updatedObj) returns only the values that have been changed in the updated object
-    findDifference(original, updatedObj) returns an object with the added, deleted and updated differences  
-    mergeRecurcive(original, diff) this will get you a new object that will merge all the changes between the old object and the new object
-    */
-    (function () {
-        const isDate = d => d instanceof Date;
-        const isEmpty = o => Object.keys(o).length === 0;
-        const isObject = o => o != null && typeof o === 'object';
-        const properObject = o => isObject(o) && !o.hasOwnProperty ? { ...o } : o;
-
-
-        const getLargerArray = (l, r) => l.length > r.length ? l : r;
-
-        const preserve = (diff, left, right) => {
-
-            if (!isObject(diff)) return diff;
-
-            return Object.keys(diff).reduce((acc, key) => {
-
-                const leftArray = left[key];
-                const rightArray = right[key];
-
-                if (Array.isArray(leftArray) && Array.isArray(rightArray)) {
-                    const array = [...getLargerArray(leftArray, rightArray)];
-                    return {
-                        ...acc,
-                        [key]: array.reduce((acc2, item, index) => {
-                            if (diff[key].hasOwnProperty(index)) {
-                                acc2[index] = preserve(diff[key][index], leftArray[index], rightArray[index]); // diff recurse and check for nested arrays
-                                return acc2;
-                            }
-
-                            delete acc2[index]; // no diff aka empty
-                            return acc2;
-                        }, array)
-                    };
-                }
-
-                return {
-                    ...acc,
-                    [key]: diff[key]
-                };
-            }, {});
-        };
-
-
-        const updatedDiff = (lhs, rhs) => {
-
-            if (lhs === rhs) return {};
-
-            if (!isObject(lhs) || !isObject(rhs)) return rhs;
-
-            const l = properObject(lhs);
-            const r = properObject(rhs);
-
-            if (isDate(l) || isDate(r)) {
-                if (l.valueOf() == r.valueOf()) return {};
-                return r;
-            }
-
-            return Object.keys(r).reduce((acc, key) => {
-
-                if (l.hasOwnProperty(key)) {
-                    const difference = updatedDiff(l[key], r[key]);
-
-                    if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc;
-
-                    return { ...acc, [key]: difference };
-                }
-
-                return acc;
-            }, {});
-        };
-
-
-        const diff = (lhs, rhs) => {
-            if (lhs === rhs) return {}; // equal return no diff
-
-            if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
-
-            const l = properObject(lhs);
-            const r = properObject(rhs);
-
-            const deletedValues = Object.keys(l).reduce((acc, key) => {
-                return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
-            }, {});
-
-            if (isDate(l) || isDate(r)) {
-                if (l.valueOf() == r.valueOf()) return {};
-                return r;
-            }
-
-            return Object.keys(r).reduce((acc, key) => {
-                if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
-
-                const difference = diff(l[key], r[key]);
-
-                if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
-
-                return { ...acc, [key]: difference }; // return updated key
-            }, deletedValues);
-        };
-
-        const addedDiff = (lhs, rhs) => {
-
-            if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
-
-            const l = properObject(lhs);
-            const r = properObject(rhs);
-
-            return Object.keys(r).reduce((acc, key) => {
-                if (l.hasOwnProperty(key)) {
-                    const difference = addedDiff(l[key], r[key]);
-
-                    if (isObject(difference) && isEmpty(difference)) return acc;
-
-                    return { ...acc, [key]: difference };
-                }
-
-                return { ...acc, [key]: r[key] };
-            }, {});
-        };
-
-
-        const arrayDiff = (lhs, rhs) => {
-            if (lhs === rhs) return {}; // equal return no diff
-
-            if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
-
-            const l = properObject(lhs);
-            const r = properObject(rhs);
-
-            const deletedValues = Object.keys(l).reduce((acc, key) => {
-                return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
-            }, {});
-
-            if (isDate(l) || isDate(r)) {
-                if (l.valueOf() == r.valueOf()) return {};
-                return r;
-            }
-
-            if (Array.isArray(r) && Array.isArray(l)) {
-                const deletedValues = l.reduce((acc, item, index) => {
-                    return r.hasOwnProperty(index) ? acc.concat(item) : acc.concat(null);
-                }, []);
-
-                return r.reduce((acc, rightItem, index) => {
-                    if (!deletedValues.hasOwnProperty(index)) {
-                        return acc.concat(rightItem);
-                    }
-
-                    const leftItem = l[index];
-                    const difference = diff(rightItem, leftItem);
-
-                    if (isObject(difference) && isEmpty(difference) && !isDate(difference)) {
-                        delete acc[index];
-                        return acc; // return no diff
-                    }
-
-                    return acc.slice(0, index).concat(rightItem).concat(acc.slice(index + 1)); // return updated key
-                }, deletedValues);
-            }
-
-            return Object.keys(r).reduce((acc, key) => {
-                if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
-
-                const difference = diff(l[key], r[key]);
-
-                if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
-
-                return { ...acc, [key]: difference }; // return updated key
-            }, deletedValues);
-        };
-
-        const deletedDiff = (lhs, rhs) => {
-            if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
-
-            const l = properObject(lhs);
-            const r = properObject(rhs);
-
-            return Object.keys(l).reduce((acc, key) => {
-                if (r.hasOwnProperty(key)) {
-                    const difference = deletedDiff(l[key], r[key]);
-
-                    if (isObject(difference) && isEmpty(difference)) return acc;
-
-                    return { ...acc, [key]: difference };
-                }
-
-                return { ...acc, [key]: null };
-            }, {});
-        };
-
-        window.findDifference = (lhs, rhs) => ({
-            added: addedDiff(lhs, rhs),
-            deleted: deletedDiff(lhs, rhs),
-            updated: updatedDiff(lhs, rhs),
-        });
-
-        const mergeRecursive = (obj1, obj2) => {
-            for (var p in obj2) {
-                try {
-                    if (obj2[p].constructor == Object) {
-                        obj1[p] = mergeRecursive(obj1[p], obj2[p]);
-                    }
-                    // Property in destination object set; update its value.
-                    else if (Ext.isArray(obj2[p])) {
-                        // obj1[p] = [];
-                        if (obj2[p].length < 1) {
-                            obj1[p] = obj2[p];
-                        }
-                        else {
-                            obj1[p] = mergeRecursive(obj1[p], obj2[p]);
-                        }
-
-                    } else {
-                        obj1[p] = obj2[p];
-                    }
-                } catch (e) {
-                    // Property in destination object not set; create it and set its value.
-                    obj1[p] = obj2[p];
-                }
-            }
-            return obj1;
-        }
-
-        /*
-        var test = {
-          foo : {
-            bar : {
-              baz : null
-            }
-          },
-          bar : 1
-        };
-        cleanse(test);
-        
-        Rohit: Added a small fix for object being entered as Array*/
-
-        const cleanse = (obj) => {
-            Object.keys(obj).forEach(key => {
-                var value = obj[key];
-                if (typeof value === "object" && value !== null) {
-                    // Recurse...
-                    cleanse(value);
-                    // ...and remove if now "empty" (NOTE: insert your definition of "empty" here)
-                    if (!Object.keys(value).length) {
-                        delete obj[key]
-                    }
-                }
-                else if (value === null) {
-                    // null, remove it
-                    delete obj[key];
-
-                }
-            });
-
-            if (obj.constructor.toString().indexOf("Array") != -1) {
-                obj = obj.filter(function (el) {
-                    return el != null;
-                });
-            }
-
-            return obj;
-        }
-
-        /*obj is original object or array, diff is the output of findDifference */
-        window.mergeDifference = (obj, diff) => {
-            if (Object.keys(diff.updated).length !== 0)
-                obj = mergeRecursive(obj, diff.updated)
-            if (Object.keys(diff.deleted).length !== 0) {
-                obj = mergeRecursive(obj, diff.deleted)
-                obj = cleanse(obj)
-            }
-            if (Object.keys(diff.added).length !== 0)
-                obj = mergeRecursive(obj, diff.added)
-            return obj
-        }
-    })();
-</script>
-
-<script id="floCrypto">
-    /* FLO Crypto Operators*/
-    const floCrypto = {
-
-        util: {
-            p: BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16),
-
-            ecparams: EllipticCurve.getSECCurveByName("secp256k1"),
-
-            exponent1: function () {
-                return this.p.add(BigInteger.ONE).divide(BigInteger("4"))
-            },
-
-            calculateY: function (x) {
-                let p = this.p;
-                let exp = this.exponent1();
-                // x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
-                return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
-            },
-            getUncompressedPublicKey: function (compressedPublicKey) {
-                const p = this.p;
-                // Fetch x from compressedPublicKey
-                let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
-                const prefix = pubKeyBytes.shift() // remove prefix
-                let prefix_modulus = prefix % 2;
-                pubKeyBytes.unshift(0) // add prefix 0
-                let x = new BigInteger(pubKeyBytes)
-                let xDecimalValue = x.toString()
-                // Fetch y
-                let y = this.calculateY(x);
-                let yDecimalValue = y.toString();
-                // verify y value
-                let resultBigInt = y.mod(BigInteger("2"));
-                let check = resultBigInt.toString() % 2;
-                if (prefix_modulus !== check) {
-                    yDecimalValue = y.negate().mod(p).toString();
-                }
-                return {
-                    x: xDecimalValue,
-                    y: yDecimalValue
-                };
-            },
-
-            getSenderPublicKeyString: function () {
-                privateKey = ellipticCurveEncryption.senderRandom();
-                senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
-                return {
-                    privateKey: privateKey,
-                    senderPublicKeyString: senderPublicKeyString
-                }
-            },
-
-            deriveSharedKeySender: function (receiverCompressedPublicKey, senderPrivateKey) {
-                try {
-                    let receiverPublicKeyString = this.getUncompressedPublicKey(receiverCompressedPublicKey);
-                    var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
-                        receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
-                    return senderDerivedKey;
-                } catch (error) {
-                    return new Error(error);
-                }
-            },
-
-            deriveReceiverSharedKey: function (senderPublicKeyString, receiverPrivateKey) {
-                return ellipticCurveEncryption.receiverSharedKeyDerivation(
-                    senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString,
-                    receiverPrivateKey);
-            },
-
-            getReceiverPublicKeyString: function (privateKey) {
-                return ellipticCurveEncryption.receiverPublicString(privateKey);
-            },
-
-            deriveSharedKeyReceiver: function (senderPublicKeyString, receiverPrivateKey) {
-                try {
-                    return ellipticCurveEncryption.receiverSharedKeyDerivation(senderPublicKeyString.XValuePublicString,
-                        senderPublicKeyString.YValuePublicString, receiverPrivateKey);
-
-                } catch (error) {
-                    return new Error(error);
-                }
-            },
-
-            wifToDecimal: function (pk_wif, isPubKeyCompressed = false) {
-                let pk = Bitcoin.Base58.decode(pk_wif)
-                pk.shift()
-                pk.splice(-4, 4)
-                //If the private key corresponded to a compressed public key, also drop the last byte (it should be 0x01).
-                if (isPubKeyCompressed == true) pk.pop()
-                pk.unshift(0)
-                privateKeyDecimal = BigInteger(pk).toString()
-                privateKeyHex = Crypto.util.bytesToHex(pk)
-                return {
-                    privateKeyDecimal: privateKeyDecimal,
-                    privateKeyHex: privateKeyHex
-                }
-            }
-        },
-
-        //generate a random Interger within range
-        randInt: function (min, max) {
-            min = Math.ceil(min);
-            max = Math.floor(max);
-            return Math.floor(Math.random() * (max - min + 1)) + min;
-        },
-
-        //generate a random String within length (options : alphaNumeric chars only)
-        randString: function (length, alphaNumeric = false) {
-            var result = '';
-            if (alphaNumeric)
-                var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-            else
-                var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
-            for (var i = 0; i < length; i++)
-                result += characters.charAt(Math.floor(Math.random() * characters.length));
-            return result;
-        },
-
-        //Encrypt Data using public-key
-        encryptData: function (data, receiverCompressedPublicKey) {
-            var senderECKeyData = this.util.getSenderPublicKeyString();
-            var senderDerivedKey = this.util.deriveSharedKeySender(receiverCompressedPublicKey, senderECKeyData.privateKey);
-            let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
-            let secret = Crypto.AES.encrypt(data, senderKey);
-            return {
-                secret: secret,
-                senderPublicKeyString: senderECKeyData.senderPublicKeyString
-            };
-        },
-
-        //Decrypt Data using private-key
-        decryptData: function (data, myPrivateKey) {
-            var receiverECKeyData = {};
-            if (typeof myPrivateKey !== "string") throw new Error("No private key found.");
-
-            let privateKey = this.util.wifToDecimal(myPrivateKey, true);
-            if (typeof privateKey.privateKeyDecimal !== "string") throw new Error(
-                "Failed to detremine your private key.");
-            receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
-
-            var receiverDerivedKey = this.util.deriveReceiverSharedKey(data.senderPublicKeyString, receiverECKeyData
-                .privateKey);
-
-            let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
-            let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
-            return decryptMsg;
-        },
-
-        //Sign data using private-key
-        signData: function (data, privateKeyHex) {
-            var key = new Bitcoin.ECKey(privateKeyHex);
-            key.setCompressed(true);
-
-            var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
-            privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
-            var messageHash = Crypto.SHA256(data);
-
-            var messageHashBigInteger = new BigInteger(messageHash);
-            var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
-
-            var sighex = Crypto.util.bytesToHex(messageSign);
-            return sighex;
-        },
-
-        //Verify signatue of the data using public-key
-        verifySign: function (data, signatureHex, publicKeyHex) {
-            var msgHash = Crypto.SHA256(data);
-            var messageHashBigInteger = new BigInteger(msgHash);
-
-            var sigBytes = Crypto.util.hexToBytes(signatureHex);
-            var signature = Bitcoin.ECDSA.parseSig(sigBytes);
-
-            var publicKeyPoint = this.util.ecparams.getCurve().decodePointHex(publicKeyHex);
-
-            var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
-                publicKeyPoint);
-            return verify;
-        },
-
-        //Generates a new flo ID and returns private-key, public-key and floID
-        generateNewID: function () {
-            try {
-                var key = new Bitcoin.ECKey(false);
-                key.setCompressed(true);
-                return {
-                    floID: key.getBitcoinAddress(),
-                    pubKey: key.getPubKeyHex(),
-                    privKey: key.getBitcoinWalletImportFormat()
-                }
-            } catch (e) {
-                console.error(e);
-            }
-        },
-
-        //Returns public-key from private-key
-        getPubKeyHex: function (privateKeyHex) {
-            var key = new Bitcoin.ECKey(privateKeyHex);
-            if (key.priv == null) {
-                alert("Invalid Private key");
-                return;
-            }
-            key.setCompressed(true);
-            var pubkeyHex = key.getPubKeyHex();
-            return pubkeyHex;
-        },
-
-        //Returns flo-ID from public-key
-        getFloIDfromPubkeyHex: function (pubkeyHex) {
-            var key = new Bitcoin.ECKey().setPub(pubkeyHex);
-            var floID = key.getBitcoinAddress();
-            return floID;
-        },
-
-        //Verify the private-key for the given public-key or flo-ID
-        verifyPrivKey: function (privateKeyHex, pubKey_floID, isfloID = true) {
-            try {
-                var key = new Bitcoin.ECKey(privateKeyHex);
-                if (key.priv == null)
-                    return false;
-                key.setCompressed(true);
-                if (isfloID && pubKey_floID == key.getBitcoinAddress())
-                    return true;
-                else if (!isfloID && pubKey_floID == key.getPubKeyHex())
-                    return true;
-                else
-                    return false;
-            } catch (e) {
-                console.error(e);
-            }
-        },
-
-        //Check if the given Address is valid or not
-        validateAddr: function (inpAddr) {
-            try {
-                var addr = new Bitcoin.Address(inpAddr);
-                return true;
-            } catch {
-                return false;
-            }
-        },
-
-        //Split the str using shamir's Secret and Returns the shares 
-        createShamirsSecretShares: function (str, total_shares, threshold_limit) {
-            try {
-                if (str.length > 0) {
-                    var strHex = shamirSecretShare.str2hex(str);
-                    var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
-                    return shares;
-                }
-                return false;
-            } catch{
-                return false
-            }
-        },
-
-        //Verifies the shares and str
-        verifyShamirsSecret: function (sharesArray, str) {
-            return (str && this.retrieveShamirSecret(sharesArray) === str)
-        },
-
-        //Returns the retrived secret by combining the shamirs shares
-        retrieveShamirSecret: function (sharesArray) {
-            try {
-                if (sharesArray.length > 0) {
-                    var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
-                    comb = shamirSecretShare.hex2str(comb);
-                    return comb;
-                }
-                return false;
-            } catch{
-                return false
-            }
-        }
-    }
-</script>
-<script id="floBlockchainAPI">
-    /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
-    const floBlockchainAPI = {
-
-        util: {
-            serverList: floGlobals.apiURL[floGlobals.blockchain].slice(0),
-            curPos: floCrypto.randInt(0, floGlobals.apiURL[floGlobals.blockchain].length),
-            fetch_retry: function (apicall) {
-                return new Promise((resolve, reject) => {
-                    this.serverList.splice(this.curPos, 1);
-                    this.curPos = floCrypto.randInt(0, this.serverList.length)
-                    this.fetch_api(apicall)
-                        .then(result => resolve(result))
-                        .catch(error => reject(error));
-                })
-            },
-            fetch_api: function (apicall) {
-                return new Promise((resolve, reject) => {
-                    if (this.serverList.length === 0)
-                        reject("No floSight server working")
-                    else {
-                        fetch(this.serverList[this.curPos] + apicall).then(response => {
-                            if (response.ok)
-                                response.json().then(data => resolve(data));
-                            else {
-                                this.fetch_retry(apicall)
-                                    .then(result => resolve(result))
-                                    .catch(error => reject(error));
-                            }
-                        }).catch(error => {
-                            this.fetch_retry(apicall)
-                                .then(result => resolve(result))
-                                .catch(error => reject(error));
-                        })
-                    }
-                })
-            }
-        },
-
-        //Promised function to get data from API
-        promisedAPI: function (apicall) {
-            return new Promise((resolve, reject) => {
-                console.log(apicall)
-                this.util.fetch_api(apicall)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error));
-            });
-        },
-
-        //Get balance for the given Address
-        getBalance: function (addr) {
-            return new Promise((resolve, reject) => {
-                this.promisedAPI(`api/addr/${addr}/balance`)
-                    .then(balance => resolve(parseFloat(balance)))
-                    .catch(error => reject(error));
-            });
-        },
-
-        //Write Data into blockchain
-        writeData: function (senderAddr, Data, PrivKey, receiverAddr = floGlobals.adminID) {
-            return new Promise((resolve, reject) => {
-                this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, PrivKey, Data)
-                    .then(txid => resolve(txid))
-                    .catch(error => reject(error))
-            });
-        },
-
-        //Send Tx to blockchain 
-        sendTx: function (senderAddr, receiverAddr, sendAmt, PrivKey, floData = '') {
-            return new Promise((resolve, reject) => {
-                if (!floCrypto.validateAddr(senderAddr))
-                    reject(`Invalid address : ${senderAddr}`);
-                else if (!floCrypto.validateAddr(receiverAddr))
-                    reject(`Invalid address : ${receiverAddr}`);
-                if (PrivKey.length < 1 || !floCrypto.verifyPrivKey(PrivKey, senderAddr))
-                    reject("Invalid Private key!");
-                else if (typeof sendAmt !== 'number' || sendAmt <= 0)
-                    reject(`Invalid sendAmt : ${sendAmt}`);
-                else {
-                    var trx = bitjs.transaction();
-                    var utxoAmt = 0.0;
-                    var fee = floGlobals.fee;
-                    this.promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
-                        for (var i = utxos.length - 1;
-                            (i >= 0) && (utxoAmt < sendAmt + fee); i--) {
-                            if (utxos[i].confirmations) {
-                                trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey)
-                                utxoAmt += utxos[i].amount;
-                            } else break;
-                        }
-                        if (utxoAmt < sendAmt + fee)
-                            reject("Insufficient balance!");
-                        else {
-                            trx.addoutput(receiverAddr, sendAmt);
-                            var change = utxoAmt - sendAmt - fee;
-                            if (change > 0)
-                                trx.addoutput(senderAddr, change);
-                            trx.addflodata(floData);
-                            var signedTxHash = trx.sign(PrivKey, 1);
-                            this.broadcastTx(signedTxHash)
-                                .then(txid => resolve(txid))
-                                .catch(error => reject(error))
-                        }
-                    }).catch(error => reject(error))
-                }
-            });
-        },
-
-        //Broadcast signed Tx in blockchain using API
-        broadcastTx: function (signedTxHash) {
-            return new Promise((resolve, reject) => {
-                var request = new XMLHttpRequest();
-                var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
-                if (signedTxHash.length < 1)
-                    reject("Empty Signature");
-                else {
-                    var params = `{"rawtx":"${signedTxHash}"}`;
-                    request.open('POST', url, true);
-                    //Send the proper header information along with the request
-                    request.setRequestHeader('Content-type', 'application/json');
-                    request.onload = function () {
-                        if (request.readyState == 4 && request.status == 200) {
-                            console.log(request.response);
-                            resolve(JSON.parse(request.response).txid.result);
-                        } else
-                            reject(request.responseText);
-                    }
-                    request.send(params);
-                }
-            })
-        },
-
-        //Read Txs of Address between from and to
-        readTxs: function (addr, from, to) {
-            return new Promise((resolve, reject) => {
-                this.promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
-                    .then(response => resolve(response))
-                    .catch(error => reject(error))
-            });
-        },
-
-        //Read All Txs of Address (newest first)
-        readAllTxs: function (addr) {
-            return new Promise((resolve, reject) => {
-                this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
-                    this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
-                        .then(response => resolve(response.items))
-                        .catch(error => reject(error));
-                }).catch(error => reject(error))
-            });
-        },
-
-        /*Read flo Data from txs of given Address
-        options can be used to filter data
-        limit       : maximum number of filtered data (default = 1000, negative  = no limit)
-        ignoreOld   : ignore old txs (default = 0)
-        sentOnly    : filters only sent data
-        pattern     : filters data that starts with a pattern
-        contains    : filters data that contains a string
-        filter      : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
-        */
-        readData: function (addr, options = {}) {
-            options.limit = options.limit | 1000
-            options.ignoreOld = options.ignoreOld | 0
-            return new Promise((resolve, reject) => {
-                this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
-                    var newItems = response.totalItems - options.ignoreOld;
-                    this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems * 2}`).then(response => {
-                        if (options.limit <= 0)
-                            options.limit = response.items.length;
-                        var filteredData = [];
-                        for (i = 0; i < (response.totalItems - options.ignoreOld) && filteredData.length < options.limit; i++) {
-                            if (options.sentOnly && response.items[i].vin[0].addr !== addr)
-                                continue;
-                            if (options.pattern && !response.items[i].floData.startsWith(options.pattern, 0) && !response.items[i].floData.startsWith(options.pattern, 2))
-                                continue;
-                            if (options.contains && !response.items[i].floData.includes(options.contains))
-                                continue;
-                            if (options.filter && !options.filter(response.items[i].floData))
-                                continue;
-                            filteredData.push(response.items[i].floData);
-                        }
-                        resolve({ totalTxs: response.totalItems, data: filteredData });
-                    }).catch(error => {
-                        reject(error);
-                    });
-                }).catch(error => {
-                    reject(error);
-                });
-            });
-        }
-    }
-</script>
-<script id="floSupernode">
-    /* flo Supernode Operators to send/receive data from supernodes using websocket */
-    const floSupernode = {
-  
-      //kBucket object 
-      kBucket: {
-        supernodeKBucket: null,
-        decodeBase58Address: function (address) {
-          let k = bitjs.Base58.decode(address)
-          k.shift()
-          k.splice(-4, 4)
-          return Crypto.util.bytesToHex(k)
-        },
-        floIdToKbucketId: function (address) {
-          const decodedId = this.decodeBase58Address(address);
-          const nodeIdBigInt = new BigInteger(decodedId, 16);
-          const nodeIdBytes = nodeIdBigInt.toByteArrayUnsigned();
-          const nodeIdNewInt8Array = new Uint8Array(nodeIdBytes);
-          return nodeIdNewInt8Array;
-        },
-        launch: function (superNodeList = Object.keys(floGlobals.supernodes), master_floID = floGlobals.adminID) {
-          return new Promise((resolve, reject) => {
-            try {
-              const SuKBucketId = this.floIdToKbucketId(master_floID);
-              const SukbOptions = {
-                localNodeId: SuKBucketId
-              }
-              this.supernodeKBucket = new BuildKBucket(SukbOptions);
-              for (var i = 0; i < superNodeList.length; i++) {
-                this.addNewNode(superNodeList[i])
-              }
-              resolve('SuperNode KBucket formed');
-            } catch (error) {
-              reject(error);
-            }
-          });
-        },
-        addContact: function (id, floID, KB = this.supernodeKBucket) {
-          const contact = {
-            id: id,
-            floID: floID
-          };
-          KB.add(contact)
-        },
-        addNewNode: function (address, KB = this.supernodeKBucket) {
-          let decodedId = address;
-          try {
-            decodedId = this.floIdToKbucketId(address);
-          } catch (e) {
-            decodedId = address;
-          }
-          this.addContact(decodedId, address, KB);
-        },
-        isNodePresent: function (flo_id, KB = this.supernodeKBucket) {
-          let kArray = KB.toArray();
-          let kArrayFloIds = kArray.map(k => k.floID);
-          if (kArrayFloIds.includes(flo_id))
-              return true;
-          else
-              return false;
-        },
-   
-        getInnerNodes: function(flo_addr1, flo_addr2, KB = this.supernodeKBucket){
-          return new Promise((resolve, reject) => {
-            let kArrayFloIds = KB.toArray().map(k => k.floID);
-            var innerNodes = []
-            if(kArrayFloIds.includes(flo_addr1) && kArrayFloIds.includes(flo_addr2)){
-              for(var i = kArrayFloIds.indexOf(flo_addr1); i!= flo_addr2; i++){
-                  if(i >= kArrayFloIds.length)
-                      i = -1
-                  else
-                      innerNodes.push(kArrayFloIds[i])
-              }
-              resolve(innerNodes)
-            }else
-              reject('Given nodes are not in KBucket')
-          });
-        },
-  
-        getOuterNodes: function(flo_addr1, flo_addr2, KB = this.supernodeKBucket){
-          return new Promise((resolve, reject) => {
-            let kArrayFloIds = KB.toArray().map(k => k.floID);
-            var outterNodes = []
-            if(kArrayFloIds.includes(flo_addr1) && kArrayFloIds.includes(flo_addr2)){
-              for(var i = kArrayFloIds.indexOf(flo_addr2); i!= flo_addr1; i++){
-                  if(i >= kArrayFloIds.length)
-                      i = -1
-                  else
-                      outterNodes.push(kArrayFloIds[i])
-              }
-              resolve(outterNodes)
-            }else
-              reject('Given nodes are not in KBucket')
-          });
-        },
-  
-        getPrevSupernode: function(flo_addr, n = 1, KB = this.supernodeKBucket){
-          return new Promise((resolve, reject) => {
-            try {
-              let kArrayFloIds = KB.toArray().map(k => k.floID);
-              let pos = kArrayFloIds.indexOf(flo_addr)
-              var prevSupernode = []
-              for(var i = 1; i <= n; i++){
-                  if(pos - i < 0)
-                      var prev = pos - i + kArrayFloIds.length
-                  else
-                      var prev = pos - i
-                  prevSupernode.push(kArrayFloIds[prev])
-              }
-              resolve(prevSupernode);
-            } catch (error) {
-              reject(error);
-            }
-          });
-        },
-  
-        getNextSupernode: function(flo_addr, n = 1, KB = this.supernodeKBucket){
-          return new Promise((resolve, reject) => {
-            try {
-              let kArrayFloIds = KB.toArray().map(k => k.floID);
-              let pos = kArrayFloIds.indexOf(flo_addr)
-              var nextSupernode = []
-              for(var i = 1; i <= n; i++){
-                  if(pos + i >= kArrayFloIds.length)
-                      var next = pos + i - kArrayFloIds.length
-                  else
-                      var next = pos + i
-                  nextSupernode.push(kArrayFloIds[next])
-              }
-              resolve(nextSupernode);
-            } catch (error) {
-              reject(error);
-            }
-          });
-        },
-  
-        determineClosestSupernode: function (flo_addr, n = 1, KB = this.supernodeKBucket) {
-          return new Promise((resolve, reject) => {
-            try {
-              let isFloIdUint8 = flo_addr instanceof Uint8Array;
-              if (!isFloIdUint8)
-                flo_addr = this.floIdToKbucketId(flo_addr);
-              var closestSupernode = KB.closest(flo_addr, n);
-              closestSupernode = closestSupernode.map(k => k.floID);
-              resolve(closestSupernode);
-            } catch (error) {
-              reject(error);
-            }
-          });
-        }
-      },
-  
-      sendDataToSN(data, snfloID){
-          return new Promise((resolve, reject) => {
-              console.log(snfloID)
-              var websocket = new WebSocket("wss://" + floGlobals.supernodes[snfloID].uri + "/ws");
-              websocket.onmessage = (evt => {
-                  if(evt.data == '$+'){
-                      websocket.send(data);
-                      resolve(`Data sent to supernode : ${snfloID}`);
-                  }else if(evt.data == '$-'){
-                      this.kBucket.getNextSupernode(snfloID).then(nextNode => {
-                          this.sendDataToSN(data, nextNode[0])
-                              .then(result => resolve(result))
-                              .catch(error => reject(error))
-                      }).catch(error => reject(error))
-                  }else{
-                      console.log(evt.data)
-                      reject(evt.data)
-                  }
-                  websocket.close();
-              })
-              websocket.onerror = (evt) => {
-                  this.kBucket.getNextSupernode(snfloID).then(nextNode => {
-                      this.sendDataToSN(data, nextNode[0])
-                          .then(result => resolve(result))
-                          .catch(error => reject(error))
-                  }).catch(error => reject(error))
-              };
-          })
-      },
-  
-      //Sends data to the supernode
-      sendData: function (data, floID) {
-        return new Promise((resolve, reject) => {
-          this.kBucket.determineClosestSupernode(floID).then(closestNode => {
-              console.log(closestNode)
-              this.sendDataToSN(data, closestNode[0])
-                  .then(result => resolve(result))
-                  .catch(error => reject(error))
-          }).catch(error => {
-              reject(error);
-          });
-        });
-      },
-  
-      requestDataFromSN(request, snfloID){
-          return new Promise((resolve, reject) => {
-              var websocket = new WebSocket("wss://" + floGlobals.supernodes[snfloID].uri + "/ws");
-              websocket.onmessage = (evt => {
-                  if(evt.data == '$+'){
-                      websocket.send(`?${request}`);
-                  }else if(evt.data == '$-'){
-                      this.kBucket.getNextSupernode(snfloID).then(nextNode => {
-                          this.requestDataFromSN(request, nextNode[0])
-                              .then(result => resolve(result))
-                              .catch(error => reject(error))
-                      }).catch(error => reject(error))
-                      websocket.close()
-                  }else{
-                      resolve(evt.data);
-                      websocket.close();
-                  }
-              })
-              websocket.onerror = (evt) => {
-                  this.kBucket.getNextSupernode(snfloID).then(nextNode => {
-                      this.requestDataFromSN(request, nextNode[0])
-                          .then(result => resolve(result))
-                          .catch(error => reject(error))
-                  }).catch(error => reject(error))
-              };
-          })
-      },
-  
-      //Request data from supernode
-      requestData: function (request, floID) {
-        return new Promise((resolve, reject) => {
-          this.kBucket.determineClosestSupernode(floID).then(closestNode => {
-              this.requestDataFromSN(request, closestNode[0])
-                  .then(result => resolve(result))
-                  .catch(error => reject(error))
-          }).catch(error => {
-              reject(error);
-          });
-        });
-      }
-    }
-  
-    /**Kademlia DHT K-bucket implementation as a binary tree.
-     * Implementation of a Kademlia DHT k-bucket used for storing
-     * contact (peer node) information.
-     *
-     * @extends EventEmitter
-     */
-     function BuildKBucket(options = {}) {
-      /**
-       * `options`:
-       *   `distance`: Function
-       *     `function (firstId, secondId) { return distance }` An optional
-       *     `distance` function that gets two `id` Uint8Arrays
-       *     and return distance (as number) between them.
-       *   `arbiter`: Function (Default: vectorClock arbiter)
-       *     `function (incumbent, candidate) { return contact; }` An optional
-       *     `arbiter` function that givent two `contact` objects with the same `id`
-       *     returns the desired object to be used for updating the k-bucket. For
-       *     more details, see [arbiter function](#arbiter-function).
-       *   `localNodeId`: Uint8Array An optional Uint8Array representing the local node id.
-       *     If not provided, a local node id will be created via `randomBytes(20)`.
-       *     `metadata`: Object (Default: {}) Optional satellite data to include
-       *     with the k-bucket. `metadata` property is guaranteed not be altered by,
-       *     it is provided as an explicit container for users of k-bucket to store
-       *     implementation-specific data.
-       *   `numberOfNodesPerKBucket`: Integer (Default: 20) The number of nodes
-       *     that a k-bucket can contain before being full or split.
-       *     `numberOfNodesToPing`: Integer (Default: 3) The number of nodes to
-       *     ping when a bucket that should not be split becomes full. KBucket will
-       *     emit a `ping` event that contains `numberOfNodesToPing` nodes that have
-       *     not been contacted the longest.
-       *
-       * @param {Object=} options optional
-       */
-  
-      this.localNodeId = options.localNodeId || window.crypto.getRandomValues(new Uint8Array(20))
-      this.numberOfNodesPerKBucket = options.numberOfNodesPerKBucket || 20
-      this.numberOfNodesToPing = options.numberOfNodesToPing || 3
-      this.distance = options.distance || this.distance
-      // use an arbiter from options or vectorClock arbiter by default
-      this.arbiter = options.arbiter || this.arbiter
-      this.metadata = Object.assign({}, options.metadata)
-  
-      this.createNode = function () {
-        return {
-          contacts: [],
-          dontSplit: false,
-          left: null,
-          right: null
-        }
-      }
-  
-      this.ensureInt8 = function (name, val) {
-        if (!(val instanceof Uint8Array)) {
-          throw new TypeError(name + ' is not a Uint8Array')
-        }
-      }
-  
-      /**
-       * @param  {Uint8Array} array1
-       * @param  {Uint8Array} array2
-       * @return {Boolean}
-       */
-      this.arrayEquals = function (array1, array2) {
-        if (array1 === array2) {
-          return true
-        }
-        if (array1.length !== array2.length) {
-          return false
-        }
-        for (let i = 0, length = array1.length; i < length; ++i) {
-          if (array1[i] !== array2[i]) {
-            return false
-          }
-        }
-        return true
-      }
-  
-      this.ensureInt8('option.localNodeId as parameter 1', this.localNodeId)
-      this.root = this.createNode()
-  
-      /**
-       * Default arbiter function for contacts with the same id. Uses
-       * contact.vectorClock to select which contact to update the k-bucket with.
-       * Contact with larger vectorClock field will be selected. If vectorClock is
-       * the same, candidat will be selected.
-       *
-       * @param  {Object} incumbent Contact currently stored in the k-bucket.
-       * @param  {Object} candidate Contact being added to the k-bucket.
-       * @return {Object}           Contact to updated the k-bucket with.
-       */
-      this.arbiter = function (incumbent, candidate) {
-        return incumbent.vectorClock > candidate.vectorClock ? incumbent : candidate
-      }
-  
-      /**
-       * Default distance function. Finds the XOR
-       * distance between firstId and secondId.
-       *
-       * @param  {Uint8Array} firstId  Uint8Array containing first id.
-       * @param  {Uint8Array} secondId Uint8Array containing second id.
-       * @return {Number}              Integer The XOR distance between firstId
-       *                               and secondId.
-       */
-      this.distance = function (firstId, secondId) {
-        let distance = 0
-        let i = 0
-        const min = Math.min(firstId.length, secondId.length)
-        const max = Math.max(firstId.length, secondId.length)
-        for (; i < min; ++i) {
-          distance = distance * 256 + (firstId[i] ^ secondId[i])
-        }
-        for (; i < max; ++i) distance = distance * 256 + 255
-        return distance
-      }
-  
-      /**
-       * Adds a contact to the k-bucket.
-       *
-       * @param {Object} contact the contact object to add
-       */
-      this.add = function (contact) {
-        this.ensureInt8('contact.id', (contact || {}).id)
-  
-        let bitIndex = 0
-        let node = this.root
-  
-        while (node.contacts === null) {
-          // this is not a leaf node but an inner node with 'low' and 'high'
-          // branches; we will check the appropriate bit of the identifier and
-          // delegate to the appropriate node for further processing
-          node = this._determineNode(node, contact.id, bitIndex++)
-        }
-  
-        // check if the contact already exists
-        const index = this._indexOf(node, contact.id)
-        if (index >= 0) {
-          this._update(node, index, contact)
-          return this
-        }
-  
-        if (node.contacts.length < this.numberOfNodesPerKBucket) {
-          node.contacts.push(contact)
-          return this
-        }
-  
-        // the bucket is full
-        if (node.dontSplit) {
-          // we are not allowed to split the bucket
-          // we need to ping the first this.numberOfNodesToPing
-          // in order to determine if they are alive
-          // only if one of the pinged nodes does not respond, can the new contact
-          // be added (this prevents DoS flodding with new invalid contacts)
-          return this
-        }
-  
-        this._split(node, bitIndex)
-        return this.add(contact)
-      }
-  
-      /**
-       * Get the n closest contacts to the provided node id. "Closest" here means:
-       * closest according to the XOR metric of the contact node id.
-       *
-       * @param  {Uint8Array} id  Contact node id
-       * @param  {Number=} n      Integer (Default: Infinity) The maximum number of
-       *                          closest contacts to return
-       * @return {Array}          Array Maximum of n closest contacts to the node id
-       */
-      this.closest = function (id, n = Infinity) {
-        this.ensureInt8('id', id)
-  
-        if ((!Number.isInteger(n) && n !== Infinity) || n <= 0) {
-          throw new TypeError('n is not positive number')
-        }
-  
-        let contacts = []
-  
-        for (let nodes = [this.root], bitIndex = 0; nodes.length > 0 && contacts.length < n;) {
-          const node = nodes.pop()
-          if (node.contacts === null) {
-            const detNode = this._determineNode(node, id, bitIndex++)
-            nodes.push(node.left === detNode ? node.right : node.left)
-            nodes.push(detNode)
-          } else {
-            contacts = contacts.concat(node.contacts)
-          }
-        }
-  
-        return contacts
-          .map(a => [this.distance(a.id, id), a])
-          .sort((a, b) => a[0] - b[0])
-          .slice(0, n)
-          .map(a => a[1])
-      }
-  
-      /**
-       * Counts the total number of contacts in the tree.
-       *
-       * @return {Number} The number of contacts held in the tree
-       */
-      this.count = function () {
-        // return this.toArray().length
-        let count = 0
-        for (const nodes = [this.root]; nodes.length > 0;) {
-          const node = nodes.pop()
-          if (node.contacts === null) nodes.push(node.right, node.left)
-          else count += node.contacts.length
-        }
-        return count
-      }
-  
-      /**
-       * Determines whether the id at the bitIndex is 0 or 1.
-       * Return left leaf if `id` at `bitIndex` is 0, right leaf otherwise
-       *
-       * @param  {Object} node     internal object that has 2 leafs: left and right
-       * @param  {Uint8Array} id   Id to compare localNodeId with.
-       * @param  {Number} bitIndex Integer (Default: 0) The bit index to which bit
-       *                           to check in the id Uint8Array.
-       * @return {Object}          left leaf if id at bitIndex is 0, right leaf otherwise.
-       */
-      this._determineNode = function (node, id, bitIndex) {
-        // *NOTE* remember that id is a Uint8Array and has granularity of
-        // bytes (8 bits), whereas the bitIndex is the bit index (not byte)
-  
-        // id's that are too short are put in low bucket (1 byte = 8 bits)
-        // (bitIndex >> 3) finds how many bytes the bitIndex describes
-        // bitIndex % 8 checks if we have extra bits beyond byte multiples
-        // if number of bytes is <= no. of bytes described by bitIndex and there
-        // are extra bits to consider, this means id has less bits than what
-        // bitIndex describes, id therefore is too short, and will be put in low
-        // bucket
-        const bytesDescribedByBitIndex = bitIndex >> 3
-        const bitIndexWithinByte = bitIndex % 8
-        if ((id.length <= bytesDescribedByBitIndex) && (bitIndexWithinByte !== 0)) {
-          return node.left
-        }
-  
-        const byteUnderConsideration = id[bytesDescribedByBitIndex]
-  
-        // byteUnderConsideration is an integer from 0 to 255 represented by 8 bits
-        // where 255 is 11111111 and 0 is 00000000
-        // in order to find out whether the bit at bitIndexWithinByte is set
-        // we construct (1 << (7 - bitIndexWithinByte)) which will consist
-        // of all bits being 0, with only one bit set to 1
-        // for example, if bitIndexWithinByte is 3, we will construct 00010000 by
-        // (1 << (7 - 3)) -> (1 << 4) -> 16
-        if (byteUnderConsideration & (1 << (7 - bitIndexWithinByte))) {
-          return node.right
-        }
-  
-        return node.left
-      }
-  
-      /**
-       * Get a contact by its exact ID.
-       * If this is a leaf, loop through the bucket contents and return the correct
-       * contact if we have it or null if not. If this is an inner node, determine
-       * which branch of the tree to traverse and repeat.
-       *
-       * @param  {Uint8Array} id The ID of the contact to fetch.
-       * @return {Object|Null}   The contact if available, otherwise null
-       */
-      this.get = function (id) {
-        this.ensureInt8('id', id)
-  
-        let bitIndex = 0
-  
-        let node = this.root
-        while (node.contacts === null) {
-          node = this._determineNode(node, id, bitIndex++)
-        }
-  
-        // index of uses contact id for matching
-        const index = this._indexOf(node, id)
-        return index >= 0 ? node.contacts[index] : null
-      }
-  
-      /**
-       * Returns the index of the contact with provided
-       * id if it exists, returns -1 otherwise.
-       *
-       * @param  {Object} node    internal object that has 2 leafs: left and right
-       * @param  {Uint8Array} id  Contact node id.
-       * @return {Number}         Integer Index of contact with provided id if it
-       *                          exists, -1 otherwise.
-       */
-      this._indexOf = function (node, id) {
-        for (let i = 0; i < node.contacts.length; ++i) {
-          if (this.arrayEquals(node.contacts[i].id, id)) return i
-        }
-  
-        return -1
-      }
-  
-      /**
-       * Removes contact with the provided id.
-       *
-       * @param  {Uint8Array} id The ID of the contact to remove.
-       * @return {Object}        The k-bucket itself.
-       */
-      this.remove = function (id) {
-        this.ensureInt8('the id as parameter 1', id)
-  
-        let bitIndex = 0
-        let node = this.root
-  
-        while (node.contacts === null) {
-          node = this._determineNode(node, id, bitIndex++)
-        }
-  
-        const index = this._indexOf(node, id)
-        if (index >= 0) {
-          const contact = node.contacts.splice(index, 1)[0]
-        }
-  
-        return this
-      }
-  
-      /**
-       * Splits the node, redistributes contacts to the new nodes, and marks the
-       * node that was split as an inner node of the binary tree of nodes by
-       * setting this.root.contacts = null
-       *
-       * @param  {Object} node     node for splitting
-       * @param  {Number} bitIndex the bitIndex to which byte to check in the
-       *                           Uint8Array for navigating the binary tree
-       */
-      this._split = function (node, bitIndex) {
-        node.left = this.createNode()
-        node.right = this.createNode()
-  
-        // redistribute existing contacts amongst the two newly created nodes
-        for (const contact of node.contacts) {
-          this._determineNode(node, contact.id, bitIndex).contacts.push(contact)
-        }
-  
-        node.contacts = null // mark as inner tree node
-  
-        // don't split the "far away" node
-        // we check where the local node would end up and mark the other one as
-        // "dontSplit" (i.e. "far away")
-        const detNode = this._determineNode(node, this.localNodeId, bitIndex)
-        const otherNode = node.left === detNode ? node.right : node.left
-        otherNode.dontSplit = true
-      }
-  
-      /**
-       * Returns all the contacts contained in the tree as an array.
-       * If this is a leaf, return a copy of the bucket. `slice` is used so that we
-       * don't accidentally leak an internal reference out that might be
-       * accidentally misused. If this is not a leaf, return the union of the low
-       * and high branches (themselves also as arrays).
-       *
-       * @return {Array} All of the contacts in the tree, as an array
-       */
-      this.toArray = function () {
-        let result = []
-        for (const nodes = [this.root]; nodes.length > 0;) {
-          const node = nodes.pop()
-          if (node.contacts === null) nodes.push(node.right, node.left)
-          else result = result.concat(node.contacts)
-        }
-        return result
-      }
-  
-      /**
-       * Updates the contact selected by the arbiter.
-       * If the selection is our old contact and the candidate is some new contact
-       * then the new contact is abandoned (not added).
-       * If the selection is our old contact and the candidate is our old contact
-       * then we are refreshing the contact and it is marked as most recently
-       * contacted (by being moved to the right/end of the bucket array).
-       * If the selection is our new contact, the old contact is removed and the new
-       * contact is marked as most recently contacted.
-       *
-       * @param  {Object} node    internal object that has 2 leafs: left and right
-       * @param  {Number} index   the index in the bucket where contact exists
-       *                          (index has already been computed in a previous
-       *                          calculation)
-       * @param  {Object} contact The contact object to update.
-       */
-      this._update = function (node, index, contact) {
-        // sanity check
-        if (!this.arrayEquals(node.contacts[index].id, contact.id)) {
-          throw new Error('wrong index for _update')
-        }
-  
-        const incumbent = node.contacts[index]
-        const selection = this.arbiter(incumbent, contact)
-        // if the selection is our old contact and the candidate is some new
-        // contact, then there is nothing to do
-        if (selection === incumbent && incumbent !== contact) return
-  
-        node.contacts.splice(index, 1) // remove old contact
-        node.contacts.push(selection) // add more recent contact version
-  
-      }
-    }
-  
-</script>
-<script id="compactIDB">
-    /* Compact IndexedDB operations */
-
-    window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
-    window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
-    window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
-
-    if (!window.indexedDB)
-        window.alert("Your browser doesn't support a stable version of IndexedDB.")
-
-    const compactIDB = {
-
-        setDefaultDB: function (dbName) {
-            this.dbName = dbName;
-        },
-
-        initDB: function (dbName, objectStores = {}) {
-            return new Promise((resolve, reject) => {
-                this.dbName = this.dbName || dbName;
-                var idb = indexedDB.open(dbName);
-                idb.onerror = (event) => {
-                    reject("Error in opening IndexedDB!");
-                };
-                idb.onupgradeneeded = (event) => {
-                    var db = event.target.result;
-                    for (obs in objectStores) {
-                        var objectStore = db.createObjectStore(obs, objectStores[obs].options || {});
-                        if (objectStores[obs].indexes && typeof objectStores[obs].indexes === 'object')
-                            for (i in objectStores[obs].indexes)
-                                objectStore.createIndex(i, i, objectStores[obs].indexes[i] || {});
-                    }
-                }
-                idb.onsuccess = (event) => {
-                    var db = event.target.result;
-                    if (JSON.stringify(Object.values(db.objectStoreNames).sort()) === JSON.stringify(Object.keys(
-                        objectStores).sort()))
-                        resolve("Initiated IndexedDB");
-                    else
-                        reject("IndexedDB already exist with different ObjectStores!");
-                    db.close();
-                }
-            });
-        },
-
-        openDB: function (dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                var idb = indexedDB.open(dbName);
-                idb.onerror = (event) => reject("Error in opening IndexedDB!");
-                idb.onsuccess = (event) => resolve(event.target.result);
-            });
-        },
-
-        deleteDB: function (dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                var deleteReq = indexedDB.deleteDatabase(dbName);;
-                deleteReq.onerror = (event) => reject("Error deleting database!");
-                deleteReq.onsuccess = (event) => resolve("Database deleted successfully");
-            });
-        },
-
-        writeData: function (obsName, data, key = false, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                    let writeReq = (key ? obs.put(data, key) : obs.put(data));
-                    writeReq.onsuccess = (evt) => resolve(`Write data Successful`);
-                    writeReq.onerror = (evt) => reject(
-                        `Write data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        },
-
-        addData: function (obsName, data, key = false, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                    let addReq = (key ? obs.add(data, key) : obs.add(data));
-                    addReq.onsuccess = (evt) => resolve(`Add data successful`);
-                    addReq.onerror = (evt) => reject(
-                        `Add data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        },
-
-        removeData: function (obsName, key, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                    let delReq = obs.delete(key);
-                    delReq.onsuccess = (evt) => resolve(`Removed Data ${key}`);
-                    delReq.onerror = (evt) => reject(
-                        `Remove data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        },
-
-        readData: function (obsName, key, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                    let getReq = obs.get(key);
-                    getReq.onsuccess = (evt) => resolve(evt.target.result);
-                    getReq.onerror = (evt) => reject(
-                        `Read data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        },
-
-        readAllData: function (obsName, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                    var tmpResult = {}
-                    let curReq = obs.openCursor();
-                    curReq.onsuccess = (evt) => {
-                        var cursor = evt.target.result;
-                        if (cursor) {
-                            tmpResult[cursor.primaryKey] = cursor.value;
-                            cursor.continue();
-                        } else
-                            resolve(tmpResult);
-                    }
-                    curReq.onerror = (evt) => reject(
-                        `Read-All data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        },
-
-        searchData: function (obsName, patternEval, dbName = this.dbName) {
-            return new Promise((resolve, reject) => {
-                this.openDB(dbName).then(db => {
-                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                    var filteredResult = {}
-                    let curReq = obs.openCursor();
-                    curReq.onsuccess = (evt) => {
-                        var cursor = evt.target.result;
-                        if (cursor) {
-                            if (patternEval(cursor.primaryKey, cursor.value))
-                                filteredResult[cursor.primaryKey] = cursor.value;
-                            cursor.continue();
-                        } else
-                            resolve(filteredResult);
-                    }
-                    curReq.onerror = (evt) => reject(
-                        `Search unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                    db.close();
-                }).catch(error => reject(error));
-            });
-        }
-    }
-</script>
-<script id="floCloudAPI">
-    /* FLO Cloud operations to send/request application data*/
-    const floCloudAPI = {
-
-        util: {
-            resetData: function (dataSet) {
-                try {
-                    dataSet = JSON.parse(dataSet);
-                    console.log(dataSet)
-                    for (vc in dataSet) {
-                        var message = dataSet[vc].message;
-                        if (message.reset) {
-                            floGlobals.appObjects[message.object] = message.reset
-                            floGlobals.vectorClock[message.object] = vc
-                            compactIDB.writeData("appObjects", floGlobals.appObjects[message.object], message.object)
-                            compactIDB.writeData("vectorClock", vc, message.object)
-                        }
-                    }
-                } catch (error) {
-                    console.error(error)
-                }
-            },
-
-            updateData: function (dataSet) {
-                try {
-                    dataSet = JSON.parse(dataSet);
-                    console.log(dataSet)
-                    for (vc in dataSet) {
-                        var message = dataSet[vc].message;
-                        if (message.diff) {
-                            floGlobals.appObjects[message.object] = mergeDifference(floGlobals.appObjects[message.object], message.diff)
-                            compactIDB.writeData("appObjects", floGlobals.appObjects[message.object], message.object)
-                        }
-                        floGlobals.vectorClock[message.object] = vc
-                        compactIDB.writeData("vectorClock", vc, message.object)
-                    }
-                } catch (error) {
-                    console.error(error)
-                }
-            },
-
-            storeGeneralData: function (filterStr, dataSet) {
-                try {
-                    dataSet = JSON.parse(dataSet);
-                    console.log(dataSet)
-                    if (!Array.isArray(floGlobals.generalData[filterStr]))
-                        floGlobals.generalData[filterStr] = []
-                    for (vc in dataSet) {
-                        floGlobals.generalData[filterStr].push({ sender: dataSet[vc].senderID, vectorClock: vc, message: dataSet[vc].message })
-                        compactIDB.writeData("generalData", floGlobals.generalData[filterStr], filterStr)
-                        floGlobals.generalVC[filterStr] = vc
-                        compactIDB.writeData("generalVC", vc, filterStr)
-                    }
-                } catch (error) {
-                    console.error(error)
-                }
-            }
-        },
-
-        //send Any message to supernode cloud storage
-        sendApplicationData: function (message, type, options = {}) {
-            return new Promise((resolve, reject) => {
-                var data = {
-                    senderID: myFloID,
-                    receiverID: options.receiverID || floGlobals.adminID,
-                    pubKey: myPubKey,
-                    message: message,
-                    sign: floCrypto.signData(JSON.stringify(message), myPrivKey),
-                    application: options.application || floGlobals.application,
-                    type: type,
-                    comment: options.comment || ""
-                }
-                console.table(data);
-                floSupernode.sendData(JSON.stringify(data), data.receiverID)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
-            })
-        },
-
-        //request any data from supernode cloud
-        requestApplicationData: function (options = {}) {
-            return new Promise((resolve, reject) => {
-                var request = {
-                    receiverID: options.receiverID || floGlobals.adminID,
-                    senderIDs: options.senderIDs || undefined,
-                    application: options.application || floGlobals.application,
-                    type: options.type || undefined,
-                    comment: options.comment || undefined,
-                    lowerVectorClock: options.lowerVectorClock || undefined,
-                    upperVectorClock: options.upperVectorClock || undefined,
-                    atVectorClock: options.atVectorClock || undefined,
-                    mostRecent: options.mostRecent || undefined,
-                }
-                floSupernode.requestData(JSON.stringify(request), request.receiverID)
-                    .then(response => resolve(response))
-                    .catch(error => reject(error))
-            })
-        },
-
-        //send General Data
-        sendGeneralData: function (message, type, options = {}) {
-            return new Promise((resolve, reject) => {
-                this.sendApplicationData(message, type, options)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
-            })
-        },
-
-        //request General Data
-        requestGeneralData: function (type, options = {}) {
-            return new Promise((resolve, reject) => {
-                var filterStr = JSON.stringify({ application: options.application || floGlobals.application, type: type, comment: options.comment })
-                options.type = type
-                options.lowerVectorClock = options.lowerVectorClock || floGlobals.generalVC[filterStr] + 1
-                this.requestApplicationData(options).then(dataSet => {
-                    this.util.storeGeneralData(filterStr, dataSet)
-                    resolve('General Data Updated')
-                }).catch(error => reject(error))
-            })
-        },
-
-        //request an object data from supernode cloud
-        requestObjectData: function (objectName, options = {}) {
-            return new Promise((resolve, reject) => {
-                var request = {
-                    receiverID: options.receiverID || floGlobals.adminID,
-                    senderIDs: (options.senderIDs === false) ? false : options.senderIDs || floGlobals.subAdmins,
-                    application: options.application || floGlobals.application,
-                    comment: options.comment,
-                    type: `${objectName}@Reset`,
-                    lowerVectorClock: floGlobals.vectorClock[objectName] + 1,
-                    mostRecent: true
-                }
-                floSupernode.requestData(JSON.stringify(request), request.receiverID).then(dataSet => {
-                    this.util.resetData(dataSet)
-                    request.type = `${objectName}@Update`
-                    request.lowerVectorClock = floGlobals.vectorClock[objectName] + 1
-                    request.mostRecent = false
-                    floSupernode.requestData(JSON.stringify(request), request.receiverID).then(dataSet => {
-                        this.util.updateData(dataSet)
-                        resolve('Object Data Updated')
-                    }).catch(error => reject(error))
-                }).catch(error => reject(error))
-            })
-        },
-
-        //reset or initialize an object and send it to cloud
-        resetObjectData: function (newObject, objectName, options = {}) {
-            return new Promise((resolve, reject) => {
-                var message = {
-                    division: options.division || floGlobals.division,
-                    object: objectName,
-                    vectorClock: floGlobals.vectorClock[objectName],
-                    reset: newObject
-                }
-                this.sendApplicationData(message, `${objectName}@Reset`, options)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
-            })
-        },
-
-        //update the diff and send it to cloud
-        updateObjectData: function (oldObject, newObject, objectName, options = {}) {
-            return new Promise((resolve, reject) => {
-                var message = {
-                    division: options.division || floGlobals.division,
-                    object: objectName,
-                    vectorClock: floGlobals.vectorClock[objectName],
-                    diff: findDifference(oldObject, newObject)
-                }
-                this.sendApplicationData(message, `${objectName}@Update`, options)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
-            })
-        }
-    }
-</script>
-<script id="floDapps">
-    /* General functions for FLO Dapps*/
-    const floDapps = {
-
-        util: {
-            appObs: {},
-
-            initIndexedDB: function () {
-                return new Promise((resolve, reject) => {
-                    var storageList = floGlobals.storageList;
-                    var obj = {
-                        //general
-                        lastTx: {},
-                        //supernode (cloud list)
-                        supernodes: {
-                            indexes: { uri: null, pubKey: null }
-                        },
-                        //login credentials
-                        credentials: {},
-                        //for Dapps
-                        subAdmins: {},
-                        appObjects: {},
-                        vectorClock: {},
-                        generalData: {},
-                        generalVC: {},
-                        /* ecommerce app */
-                        // general purposes datastores
-                        myInfo: {
-                            indexes: {floId: null}
-                        },
-                        my_orders_history: {},
-
-                        // for Seller view
-                        sellerProducts: {},
-
-                        // for Buyer view
-                        my_search_history: {},
-
-                        // Cashier
-                        approved_buy_orders: {},
-                    }
-                    //add other given objectStores
-                    for (o in this.appObs)
-                        if (!(o in obj))
-                            obj[o] = this.appObs[o]
-                    compactIDB.initDB(floGlobals.application, obj).then(result => {
-                        resolve("IndexedDB App Storage Initated Successfully")
-                    }).catch(error => reject(error));
-                })
-            },
-
-            startUpFunctions: {
-
-                readSupernodeListFromAPI: function () {
-                    return new Promise((resolve, reject) => {
-                        compactIDB.readData("lastTx", floGlobals.SNStorageID).then(lastTx => {
-                            floBlockchainAPI.readData(floGlobals.SNStorageID, { ignoreOld: lastTx, sentOnly: true, pattern: "SuperNodeStorage" }).then(result => {
-                                for (var i = result.data.length - 1; i >= 0; i--) {
-                                    var content = JSON.parse(result.data[i]).SuperNodeStorage;
-                                    for (sn in content.removeNodes)
-                                        compactIDB.removeData("supernodes", sn);
-                                    for (sn in content.addNodes)
-                                        compactIDB.writeData("supernodes", content.addNodes[sn], sn);
-                                }
-                                compactIDB.writeData("lastTx", result.totalTxs, floGlobals.SNStorageID);
-                                compactIDB.readAllData("supernodes").then(result => {
-                                    floGlobals.supernodes = result;
-
-                                    floSupernode.kBucket.launch(Object.keys(floGlobals.supernodes), floGlobals.SNStorageID)
-                                        .then(result => resolve("Loaded Supernode list\n" + result))
-                                })
-                            })
-                        }).catch(error => reject(error))
-                    })
-                },
-
-                readSubAdminListFromAPI: function () {
-                    return new Promise((resolve, reject) => {
-                        compactIDB.readData("lastTx", floGlobals.adminID).then(lastTx => {
-                            floBlockchainAPI.readData(floGlobals.adminID, { ignoreOld: lastTx, sentOnly: true, pattern: floGlobals.application }).then(result => {
-                                for (var i = result.data.length - 1; i >= 0; i--) {
-                                    var content = JSON.parse(result.data[i])[floGlobals.application];
-                                    if (Array.isArray(content.removeSubAdmin))
-                                        for (var j = 0; j < content.removeSubAdmin.length; j++)
-                                            compactIDB.removeData("subAdmins", content.removeSubAdmin[j]);
-                                    if (Array.isArray(content.addSubAdmin))
-                                        for (var k = 0; k < content.addSubAdmin.length; k++)
-                                            compactIDB.writeData("subAdmins", true, content.addSubAdmin[k]);
-                                }
-                                compactIDB.writeData("lastTx", result.totalTxs, floGlobals.adminID);
-                                compactIDB.readAllData("subAdmins").then(result => {
-                                    floGlobals.subAdmins = Object.keys(result);
-                                    resolve("Read subAdmins from blockchain");
-                                })
-                            })
-                        }).catch(error => reject(error))
-                    })
-                },
-
-                loadDataFromIDB: function () {
-                    return new Promise((resolve, reject) => {
-                        var loadData = ["appObjects", "vectorClock", "generalData", "generalVC"]
-                        var promises = []
-                        for (var i = 0; i < loadData.length; i++)
-                            promises[i] = compactIDB.readAllData(loadData[i])
-                        Promise.all(promises).then(results => {
-                            for (var i = 0; i < loadData.length; i++)
-                                floGlobals[loadData[i]] = results[i]
-                            resolve("Loaded Data from IDB")
-                        }).catch(error => reject(error))
-                    })
-                },
-
-                getCredentials: function () {
-
-                    var readSharesFromIDB = function (indexArr) {
-                        return new Promise((resolve, reject) => {
-                            var promises = []
-                            for (var i = 0; i < indexArr.length; i++)
-                                promises.push(compactIDB.readData('credentials', indexArr[i]))
-                            Promise.all(promises).then(shares => {
-                                var secret = floCrypto.retrieveShamirSecret(shares)
-                                if (secret)
-                                    resolve(secret)
-                                else
-                                    reject("Shares are insufficient or incorrect")
-                            }).catch(error => reject(error))
-                        })
-                    }
-
-                    var writeSharesToIDB = function (shares, i = 0, resultIndexes = []) {
-                        return new Promise((resolve, reject) => {
-                            if (i >= shares.length)
-                                return resolve(resultIndexes)
-                            var n = floCrypto.randInt(0, 100000)
-                            compactIDB.addData("credentials", shares[i], n).then(res => {
-                                resultIndexes.push(n)
-                                writeSharesToIDB(shares, i + 1, resultIndexes)
-                                    .then(result => resolve(result))
-                            }).catch(error => {
-                                writeSharesToIDB(shares, i, resultIndexes)
-                                    .then(result => resolve(result))
-                            })
-                        })
-                    }
-
-                    var getPrivateKeyCredentials = function () {
-                        return new Promise((resolve, reject) => {
-                            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
-                            if (indexArr) {
-                                readSharesFromIDB(JSON.parse(indexArr))
-                                    .then(result => resolve(result))
-                                    .catch(error => reject(error))
-                            } else {
-                                try {
-                                    var privKey = prompt("Enter Private Key: ")
-                                    if (!privKey)
-                                        return reject("Empty Private Key")
-                                    var floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(privKey))
-                                    console.log(floID)
-                                } catch (error) {
-                                    console.error(error)
-                                    return reject("Invalid Private Key")
-                                }
-                                var threshold = floCrypto.randInt(10, 20)
-                                writeSharesToIDB(floCrypto.createShamirsSecretShares(privKey, threshold, threshold)).then(resultIndexes => {
-                                    //store index keys in localStorage
-                                    localStorage.setItem(`${floGlobals.application}#privKey`, JSON.stringify(resultIndexes))
-                                    //also add a dummy privatekey to the IDB
-                                    var randomPrivKey = floCrypto.generateNewID().privKey
-                                    var randomThreshold = floCrypto.randInt(10, 20)
-                                    writeSharesToIDB(floCrypto.createShamirsSecretShares(randomPrivKey, randomThreshold, randomThreshold))
-                                    //resolve private Key
-                                    resolve(privKey)
-                                }).catch(error => reject(error))
-                            }
-                        })
-                    }
-
-                    return new Promise((resolve, reject) => {
-                        getPrivateKeyCredentials().then(privKey => {
-                            myPrivKey = privKey
-                            myPubKey = floCrypto.getPubKeyHex(myPrivKey)
-                            myFloID = floCrypto.getFloIDfromPubkeyHex(myPubKey)
-                            resolve('Login Credentials loaded successful')
-                        }).catch(error => reject(error))
-                    })
-                }
-
-            },
-
-            callStartUpFunction: function (fname) {
-                return new Promise((resolve, reject) => {
-                    this.startUpFunctions[fname]().then(result => {
-                        this.callStartUpFunction.completed += 1
-                        reactor.dispatchEvent("startUpSuccessLog", `${result}\nCompleted ${this.callStartUpFunction.completed}/${this.callStartUpFunction.total} Startup functions`)
-                        resolve(true)
-                    }).catch(error => {
-                        this.callStartUpFunction.failed += 1
-                        reactor.dispatchEvent("startUpErrorLog", `${error}\nFailed ${this.callStartUpFunction.failed}/${this.callStartUpFunction.total} Startup functions`)
-                        reject(false)
-                    })
-                })
-            },
-
-            getFilterString: function (type, options = {}) {
-                var filterStr = JSON.stringify({ application: options.application || floGlobals.application, type: type, comment: options.comment })
-                return filterStr
-            }
-        },
-
-        launchStartUp: function () {
-            return new Promise((resolve, reject) => {
-                this.util.initIndexedDB().then(log => {
-                    console.log(log)
-                    this.util.callStartUpFunction.total = Object.keys(this.util.startUpFunctions).length
-                    this.util.callStartUpFunction.completed = 0
-                    this.util.callStartUpFunction.failed = 0
-                    var promises = []
-                    for (fn in this.util.startUpFunctions)
-                        promises.push(this.util.callStartUpFunction(fn))
-                    Promise.all(promises)
-                        .then(results => resolve('App Startup finished successful'))
-                        .catch(errors => reject('App StartUp failed'))
-                })
-            })
-        },
-
-        addStartUpFunction: function (fname, fn) {
-            if (fname in this.util.startUpFunctions)
-                throw (`Function ${fname} already defined`)
-            this.util.startUpFunctions[fname] = fn;
-        },
-
-        setAppObjectStores: function (appObs) {
-            this.util.appObs = appObs
-        },
-
-        clearCredentials: function () {
-            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
-            if (!indexArr)
-                return `privKey credentials not found!`
-            indexArr = JSON.parse(indexArr)
-            indexArr.forEach(i => compactIDB.removeData('credentials', i))
-            localStorage.removeItem(`${floGlobals.application}#privKey`)
-            return `privKey credentials deleted!`
-        },
-
-        objectDataMapper: function (object, path, data) {
-            var resObject = JSON.parse(JSON.stringify(object))
-            var pos = resObject;
-            path.forEach(p => pos = pos[p])
-            if (Array.isArray(pos)) {
-                pos.push(data)
-                return resObject
-            } else
-                throw ('Path is not an Array')
-        },
-
-        getNextGeneralData: function (type, vectorClock, options = {}) {
-            var filter = this.util.getFilterString(type, options)
-            var filteredResult = []
-            if (typeof floGlobals.generalData[filter] === "object") {
-                for (var i = 0; i < floGlobals.generalData[filter].length; i++)
-                    if (floGlobals.generalData[filter][i].vectorClock > vectorClock)
-                        filteredResult.push(floGlobals.generalData[filter][i])
-            }
-            return filteredResult
-        }
-    }
-
-    reactor.registerEvent("startUpSuccessLog");
-    reactor.addEventListener("startUpSuccessLog", log => console.log(log))
-    reactor.addEventListener("startUpSuccessLog", log => showMessage(log))
-
-    reactor.registerEvent("startUpErrorLog");
-    reactor.addEventListener("startUpErrorLog", log => console.error(log))
-    reactor.addEventListener("startUpErrorLog", log => console.showMessage(log))
-
-    function onLoadStartUp() {
-        showMessage("Starting the app! Please Wait!")
-        floDapps.launchStartUp().then(result => {
-            console.log(result)
-            showMessage(result)
-            showMessage(`Welcome ${myFloID}`)
-            ecommerce.actions.doShreeGanesh();
-        }).catch(error => console.error(error))
-    }
-</script>
-
-<script>
-
-    function showMessage(msg='', type='') {
-        console.log(msg);
-    }
-
-    function extend(Child, Parent) {
-        var Temp = function() {};
-        Temp.prototype = Parent.prototype;
-        Child.prototype = new Temp();
-        Child.prototype.constructor = Child;
-    }
-
-    function to_fiat_number(num) {
-        try {
-            return Number(parseFloat(num).toFixed(2));
-        } catch (error) {
-            throw new Error('Not a Number');
-        }
-    }
-
-    /*https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze*/
-    function deepFreeze(object) {
-        // Retrieve the property names defined on object
-        var propNames = Object.getOwnPropertyNames(object);
-
-        // Freeze properties before freezing self
-        for (let name of propNames) {
-          let value = object[name];
-
-          object[name] =
-            value && typeof value === "object" ? deepFreeze(value) : value;
-        }
-        return Object.freeze(object);
-      }
-
-    function randomNoRepeats(array) {
-        var copy = array.slice(0);
-        return function() {
-          if (copy.length < 1) {
-            copy = array.slice(0);
-          }
-          var index = Math.floor(Math.random() * copy.length);
-          var item = copy[index];
-          copy.splice(index, 1);
-          return item;
-        };
-      }
-
-      function removeWhiteSpaces(text='') {
-        return text.replace(/\s/g,'');
-      }  
-
-      async function ajaxGet(url) {
-          try {
-            //await the response of the fetch call
-            let response = await fetch(url);
-            //proceed once the first promise is resolved.
-            let data = await response.json();
-            //proceed only when the second promise is resolved
-            return data;
-          } catch (error) {
-            var xhr = new XMLHttpRequest();
-            xhr.open("GET", url);
-            xhr.onload = function() {
-              if (xhr.status === 200) {
-                callback(xhr.responseText);
-              } else {
-                showMessage(`WARNING: Failed to get data from ${url}.`);
-                throw new Error(`Request to ${url} failed: ${xhr.status}`);
-              }
-            };
-            xhr.send();
-          }
-        }
-
-        //AJAX Post
-        function ajaxPost(url = ``, data = {}) {
-          return fetch(url, {
-            method: "POST", // *GET, POST, PUT, DELETE, etc.
-            mode: "cors", // no-cors, cors, *same-origin
-            cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
-            credentials: "same-origin", // include, *same-origin, omit
-            headers: {
-              "Content-Type": "application/json"
-              // "Content-Type": "application/x-www-form-urlencoded",
-            },
-            redirect: "follow", // manual, *follow, error
-            referrer: "no-referrer", // no-referrer, *client
-            body: JSON.stringify(data) // body data type must match "Content-Type" header
-          }).then(response => response.json()); // parses response to JSON
-        }
-
-        // Create unique id
-        function unique_id() {
-          return `${+new Date()}_${Math.random()
-            .toString(36)
-            .substr(2, 9)}`;
-        }
-
-        function printArrayOfArrays(arr, resultant_array={}) {
-            if ( typeof(arr) == "object") {
-                for (elem in arr) {
-                    if (arr.hasOwnProperty(elem)) {
-                        printArrayOfArrays(arr[elem], resultant_array);
-                        if(typeof(arr[elem]) !== "object" 
-                        && typeof(arr[elem]) !== "undefined") {
-                            resultant_array[elem] = arr[elem];
-                        }
-                    }
-                }
-                return resultant_array;
-            }
-        }
-
-</script>
-
-<script>
-
-    const ecommerce = {
-        master_configurations: {},
-        master_configuration_flo_id: '',
-        actions: {},
-        blocked_flo_ids: [],
-        users: {},
-        products: {},
-        ui: {},
-    };
-
-    ecommerce.actions = {
-        
-        parse_flo_comments: async function() {
-                text = `masterFLOPubKey=03EA5E2CAB18DA585400D6EC569438D415FAF200528E05D0E2B9BEAA2B5C3DCA90
-                #!#SUBJECT=TEST_ECOMMERCE_8
-                #!#CURRENCY=INR
-                #!#DATA_TYPE={
-                    "SELLING_PRODUCTS":"RANCHI_SELLING_PRODUCTS_8", 
-                    "BUY_ORDERS":"RANCHI_BUY_ORDERS_8", 
-                    "MESSAGES":"RANCHI_MESSAGES_8",
-                    "CASHIERS_DATA":"RANCHI_CASHIERS_DATA_8", 
-                    "COURIER_DATA":"RANCHI_COURIER_DATA_8",
-                    "PURCHASED_ITEMS": "RANCHI_PURCHASED_ITEMS_8"}
-                #!#CITY=Ranchi
-                #!#product_categories=Electronics,Clothes & Accessories,Home Appliances, Food
-                #!#cashiers=
-                {
-                    "FByrY4vc1NRfbkqAqABtUyhhNzMZsKUjqr": {
-                        "upi_id": "johnDoe@upi",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "cashing_permission": true,
-                        "certificate": "3045022100811557f01a64600145241c5c9aa79ca10807735eab0dcc44815767f021ab8a390220604a377083c35d5c547e14f180393e6a27e117fb947096bc040e11b7ab86fa6b"
-                    },
-                    "FHU7dfBVDLZwp3fLRJ5cr7nEABBeeU9Z4T": {
-                        "upi_id": "janeDoe@upi",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "cashing_permission": true,
-                        "certificate": "3045022100dc79c2af7caade3fd42077700070e20962f50e9d22db5ec4028eb6e2121f16e402203df6a8b3d4fb1a7b8386a47758d8e90b27ed13ba8b7cc58ddd0cdbae27772860"
-                    }
-                }
-                #!#sellers_list={
-                    "FGtPEBu2NFFYkqFrA9NDBJJLpVhyuPubDj":{
-                        "seller_id": "FGtPEBu2NFFYkqFrA9NDBJJLpVhyuPubDj",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "selling_permission": true,
-                        "certificate": "304502203746508b189433d7e0bc0a8b099ea9f42b2923b07c4b265d0cea91d631eeef27022100cf6a95ba2b53f01fc989a9151bd2642b938b6954fd2154caa227ddc47ad39c0e"
-                    },
-                   "FM1NzncALbWCcBVF5zbgzSmUbwQgW7tUfv":{    
-                        "seller_id": "FM1NzncALbWCcBVF5zbgzSmUbwQgW7tUfv",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "selling_permission": true,
-                        "certificate": "304402204dc159e6baf407d4a6b41ea399e79efe848b6a35a022a7a5e5131608ae76b3b4022018989219d3689b189bf3b6ae5a9efd516186c90c2ee2e891ca67e03d8d10fdf1"
-                    }
-                }
-                #!#couriers_list={
-                    "FToFgkZHhLfkQqLQUsjBZxKVWyrEMsC4hf":
-                    {
-                        "courier_guy_flo_id": "FToFgkZHhLfkQqLQUsjBZxKVWyrEMsC4hf",
-                        "courierAddress": "Baralal St, Upper Bazar, Ranchi, Jharkhand 834001",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "courier_permission": true,
-                        "certificate": "3046022100921deafde5d5b18dda89f6ba22018672fcbb74fa63b67dc544edeaed8f5541ab0221008cc38f970cc436797914651af78fac7734919429a4cdff603f6b8ab864eefe16"
-                    },
-                    "FPMpZJY1ca9pru3mT8KUCHCaauBe8UNQ3a": {
-                        "courier_guy_flo_id": "FPMpZJY1ca9pru3mT8KUCHCaauBe8UNQ3a",
-                        "courierAddress": "Ground Floor A.R.K Complex Lalpur Chowk Beside Lalpur Thana, Hazaribag Rd, Income Tax Colony, Lalpur, Ranchi, Jharkhand 834001",
-                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
-                        "courier_permission": true,
-                        "certificate": "3044022000dec454231679735bd61c006de2a4ff6be04157472ebb042d078ad41722147c022014d3a95ae029ac5e6a2b4d038c482237f176edac6fe2c36063639b4cea26b5e5"
-                    }
-                }`
-                text = removeWhiteSpaces(text);
-                return text;
-                const master_data = await ajaxGet(`${floGlobals.apiURL.FLO[1]}/api/txs/?address=${ecommerce.master_configuration_flo_id}`);
-                if(typeof master_data==="object" && typeof master_data.txs==="object") {
-                    let text = '';
-                    let tx_cmnt_arr = [];
-
-                    for(txt of master_data.txs) {
-                        if(txt.vin[0].addr === ecommerce.master_configuration_flo_id) {
-                            if(txt.floData.length===0) break;
-                            tx_cmnt_arr.push(txt.floData);
-                        }
-                    }
-
-                    tx_cmnt_arr.reverse().map(m=>text += m.replace('text:', ''));     
-                    return text;
-                }
-            },
-
-        fetch_configs: async function() {
-            const floData = await this.parse_flo_comments();
-            let RMAssets = floData.trim();
-            let floAssetsArray = RMAssets.split("#!#");
-
-            if (
-                floAssetsArray.length > 0 &&
-                typeof floAssetsArray[0] !== undefined &&
-                floAssetsArray[0].trim() !== "" &&
-                typeof floAssetsArray[1] !== undefined &&
-                floAssetsArray[1].trim() !== ""
-            ) {
-            try {
-                for (const assets_string of floAssetsArray) {
-                    
-                    let k = assets_string.split("=");
-
-                    if (k[1].indexOf(",") > 0 && k[1].indexOf("{") == -1) {
-                        k[1] = k[1]
-                        .split(",")
-                        .map(val =>
-                            !isNaN(val) ? parseFloat(val) : val.trim()
-                        )
-                        .filter(v => ![null, "", undefined, NaN].includes(v));
-                    } else if (!isNaN(k[1])) {
-                        k[1] = parseFloat(k[1]);
-                    }
-                    if (typeof k[1] == "string" && k[1].indexOf("{") >= 0) {
-                        k[1] = JSON.parse(k[1].replace(/ /g, ""));
-                    }
-
-                    if(typeof ecommerce.master_configurations!=="object") ecommerce.master_configurations = {};
-
-                    Object.defineProperty(
-                        ecommerce.master_configurations,
-                        k[0],
-                        {
-                        value: k[1],
-                        writable: false,
-                        configurable: false,
-                        enumerable: true
-                        }
-                    );
-                }
-                deepFreeze(ecommerce.master_configurations);
-                console.log(ecommerce);
-                return ecommerce;
-            } catch (error) {
-                console.error(
-                "FATAL ERROR: Failed to fetch master configuration: ",
-                error
-                );
-            }
-            }
-            return false;
-        },
-
-        doShreeGanesh: async function() {
-            
-            // fetch configs from master comment
-            await this.fetch_configs();
-            
-            // Identify logged in user as either buyer, seller, cashier or courier
-            ecommerce.loggedInUser = new ecommerce.users.current_user({
-                flo_id: myFloID,
-            });
-
-            //deepFreeze(ecommerce.loggedInUser.user_info);
-
-            const LIVE_USER = ecommerce.loggedInUser;
-            
-            await this.retrieveLatestContent();
-
-            if(typeof ecommerce.approved_products_ids!=="object" 
-            || ecommerce.approved_products_ids.length<1) {
-                await ecommerce.products.create_approved_products_id_list();
-            }
-
-            if(typeof ecommerce.approved_products_list!=="object" 
-            || ecommerce.approved_products_list.length<1) {
-                await ecommerce.products.get_approved_products_list();
-            }
-
-            if(LIVE_USER.user_info.user_role==='BUYER') {
-                LIVE_USER.user_info.set_delivery_receiving_address();
-                LIVE_USER.user_info.display_items();
-                LIVE_USER.user_info.display_purchased_items();
-            }
-            if(LIVE_USER.user_info.user_role==='CASHIER') {
-                LIVE_USER.user_info.validate_buy_orders()
-            }
-            if(LIVE_USER.user_info.user_role==='MANAGER') {
-                LIVE_USER.user_info.get_general_data()
-            }
-            if(LIVE_USER.user_info.user_role==='SELLER') {
-                LIVE_USER.user_info.list_products_to_sell();
-                floCloudAPI.requestGeneralData(ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, {receiverID:myFloID});
-            }
-            
-        },
-
-        retrieveLatestContent: async function (receiverID = floGlobals.adminID, senderIDs = floGlobals.subAdmins) {
-            showMessage('Loading the latest content')
-            const promises = [];
-            promises.push(floCloudAPI.requestObjectData(ecommerce.master_configurations.SUBJECT, { receiverID, senderIDs }));
-            for (const key in ecommerce.master_configurations.DATA_TYPE) {
-                if (ecommerce.master_configurations.DATA_TYPE.hasOwnProperty(key)) {
-                    const element = ecommerce.master_configurations.DATA_TYPE[key];
-                    promises.push(floCloudAPI.requestGeneralData(element, {receiverID:myFloID}));       
-                }
-            }
-            await Promise.all(promises);
-        },
-
-        logout: function () {
-            if (confirm("Do you want to logout?")) {
-                floDapps.clearCredentials()
-                compactIDB.deleteDB().then((message) => {
-                    delete ecommerce.master_configurations;
-                    delete ecommerce.loggedInUser;
-                    console.log(message)
-                    onLoadStartUp()
-                    alert('You have logged out successfully.')
-                }).catch((error) => {
-                    console.log(error)
-                })
-            }
-        },
-    } 
-
-    ecommerce.users = {
-        current_user: function User(user_details='') {
-            
-            //if(typeof User.instance === 'object') return User.instance;
-                  
-            if(Object.keys(ecommerce.master_configurations.sellers_list)
-            .includes(user_details.flo_id)) {
-                const seller_details = {};
-                seller_details.approved_by = ecommerce.master_configurations.sellers_list[myFloID].approved_by;
-                seller_details.certificate = ecommerce.master_configurations.sellers_list[myFloID].certificate;
-                seller_details.selling_permission = ecommerce.master_configurations.sellers_list[myFloID].selling_permission;
-                User.prototype.user_info = new ecommerce.users.user_types.sellers(seller_details);
-            } else if(Object.keys(ecommerce.master_configurations.cashiers)
-            .includes(user_details.flo_id)) {
-                const cashier_details = {};
-                cashier_details.upi_id = ecommerce.master_configurations.cashiers[myFloID].upi_id;
-                cashier_details.approved_by = ecommerce.master_configurations.cashiers[myFloID].approved_by;
-                cashier_details.certificate = ecommerce.master_configurations.cashiers[myFloID].certificate;
-                cashier_details.cashing_permission = ecommerce.master_configurations.cashiers[myFloID].cashing_permission;
-                User.prototype.user_info = new ecommerce.users.user_types.cashiers(user_details);
-            } else if(Object.keys(ecommerce.master_configurations.couriers_list)
-            .includes(user_details.flo_id)) {
-                const courier_details = {};
-                courier_details.location = ecommerce.master_configurations.couriers_list[myFloID].location;
-                courier_details.approved_by = ecommerce.master_configurations.couriers_list[myFloID].approved_by;
-                courier_details.courier_permission = ecommerce.master_configurations.couriers_list[myFloID].courier_permission;
-                courier_details.certificate = ecommerce.master_configurations.couriers_list[myFloID].certificate;
-                User.prototype.user_info = new ecommerce.users.user_types.couriers(user_details);
-            } else if(floGlobals.subAdmins.includes(user_details.flo_id)) {
-                User.prototype.user_info = new ecommerce.users.user_types.system_managers(user_details);
-            } else {
-                user_details.location = user_details.location || "";
-                User.prototype.user_info = new ecommerce.users.user_types.buyers(user_details);
-            }
-             
-            User.instance = this;
-            return this;
-        },
-
-        user_types: {
-            buyers: function Buyer(buyer_details={}) {
-                for (const key in buyer_details) {
-                    if (buyer_details.hasOwnProperty(key)) {
-                        const obj = buyer_details[key];
-                        this[key] = obj;
-                    }
-                }
-                this.flo_id = myFloID;   
-                this.user_role = "BUYER";
-                this.buy_list = []; // tentative to change
-                this.shopping_bill = { // final buy order
-                    shopping_list: [],
-                    quantity: {},
-                };
-                this.gst_rate = buyer_details.gst_rate || 0;
-                this.total_buying_price = 0;
-                this.total_amount = 0;
-            },
-            sellers: function Seller(seller_details={}) {
-                for (const key in seller_details) {
-                    if (seller_details.hasOwnProperty(key)) {
-                        const obj = seller_details[key];
-                        this[key] = obj;
-                    }
-                }
-                this.flo_id = myFloID;
-                this.user_role = "SELLER";
-            },
-            cashiers: function Cashier(cashier_details={}) {
-                for (const key in cashier_details) {
-                    if (cashier_details.hasOwnProperty(key)) {
-                        const obj = cashier_details[key];
-                        this[key] = obj;
-                    }
-                }
-                this.flo_id = myFloID;
-                this.user_role = "CASHIER";
-            },
-            couriers: function Courier(courier_details={}) {
-                for (const key in courier_details) {
-                    if (courier_details.hasOwnProperty(key)) {
-                        const obj = courier_details[key];
-                        this[key] = obj;
-                    }
-                }
-                this.flo_id = myFloID;
-                this.user_role = "COURIER";
-            },
-            system_managers: function(manager_details) {
-                for (const key in manager_details) {
-                    if (manager_details.hasOwnProperty(key)) {
-                        const obj = manager_details[key];
-                        this[key] = obj;
-                    }
-                }
-                this.flo_id = myFloID;
-                this.user_role = "MANAGER";
-            },
-        },
-
-    }
-    
-</script>
-
-<!-- Products -->
-<script>
-    ecommerce.products = {
-        static_properties: ["product_type", "seller_flo_id", "product_category", "product_flo_id"],
-        build_product_object: function(data) {
-            
-            this.product_info = {};
-            this.product_info.product_static_information = {};
-            this.product_info.product_dynamic_information = {};
-
-            for (const key in data) {
-                if (data.hasOwnProperty(key)) {
-                    
-                    const obj = data[key];
-                    
-                    if(typeof obj==="object") continue;
-                        
-                    if ((typeof obj === "string" && obj.length>0)
-                    || (typeof obj === "number" && obj>0)
-                    || typeof obj==="boolean") {
-
-                        if(ecommerce.products.static_properties.includes(key)) {
-                            this.product_info.product_static_information[key] = obj;
-                        } else {
-                            this.product_info.product_dynamic_information[key] = obj;
-                        }
-                    } else {
-                        showMessage("Invalid product property.");
-                        throw new Error("Error: Product object creation failed.");
-                    }
-                }
-            }
-            this.product_info.product_static_information.product_flo_id = floCrypto.generateNewID().floID;
-            this.product_info.product_static_information.seller_flo_id = ecommerce.loggedInUser.user_info.flo_id||myFloID;
-            this.product_info.product_dynamic_information.lastUpdated = + new Date();
-            this.product_info.product_dynamic_information.onSale = true;
-        },
-        physical_products: function(product_details) {
-            this.new_physical_product = new ecommerce.products.build_product_object(product_details);
-            this.new_physical_product.product_info.product_static_information.product_type = "PHYSICAL";
-        },    
-        digital_products: function(product_details) {
-            this.new_digital_product = new ecommerce.products.build_product_object(product_details);
-            this.new_digital_product.product_info.product_static_information.product_type = "DIGITAL";
-        },
-        get_approved_products_id: function() {
-            if(typeof floGlobals.appObjects[ecommerce.master_configurations.SUBJECT]=="undefined") return [];
-            return Object.values(floGlobals.appObjects[ecommerce.master_configurations.SUBJECT].Products)
-                        .reduce((t, c, i)=>[...Object.values(c)], [])
-                        .filter(f=>f.product_approved===true)
-                        .map(m=>m.product_flo_id);            
-        },
-        create_approved_products_id_list: function() {
-            return new Promise((resolve)=>{
-                resolve(ecommerce.products.get_approved_products_id())
-            }).then(approved_products=>{
-                if(approved_products.length<1) return ecommerce.approved_products_ids=[];
-                Object.defineProperty(ecommerce, "approved_products_ids",
-                {
-                    value: approved_products,
-                    writable: false,
-                    configurable: false,
-                    enumerable: true
-                });
-            })
-        },
-        // Segregate admin approved products from general objects
-        get_approved_products_list: function() {
-            return new Promise((resolve, reject)=>{
-                try {
-
-                    const generalData = floGlobals.generalData[JSON.stringify(
-                        { application: floGlobals.application, 
-                          type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS 
-                        })];
-                        
-                    const certified_products = generalData
-                            .map(m=>m.message[Object.keys(m.message)[0]])
-                            .filter(f=>ecommerce.approved_products_ids
-                                .includes(f.product_info.product_static_information.product_flo_id));
-
-                    Object.defineProperty(ecommerce, "approved_products_list",
-                        {
-                            value: certified_products,
-                            writable: false,
-                            configurable: false,
-                            enumerable: true
-                        });
-
-                    resolve(ecommerce.approved_products_list);
-               
-                } catch (error) {
-                    reject(error);
-                }
-            });
-        },
-        get_product_details_by_floId: function(productFloId='') {
-            return new Promise((resolve, reject) => {
-                try {
-                    const filtered_product = ecommerce.approved_products_list
-                    .filter(f=>f.product_info.product_static_information.product_flo_id===productFloId);
-                
-                    if(filtered_product.length!==1) return reject("Product not found.");
-                    resolve(filtered_product);
-
-                } catch (error) {
-                    showMessage('Failed to get any product with id '+productFloId, 'ERROR');
-                    reject('Failed to get any product with id '+productFloId);
-                } 
-            });
-        },
-        get_product_details_by_txid: function(txid='') {
-            try {
-                const latest_buy_orders = floGlobals.generalData[JSON.stringify(
-                    { application: floGlobals.application, 
-                    type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
-                })];
-                return Object.values(latest_buy_orders)
-                .filter(f=>f.message.txid===txid)
-                .map(m=>m.message)
-            } catch (error) {
-                showMessage('Failed to get any product with txid '+txid, 'ERROR');
-                throw new Error('Failed to get any product with txid '+txid);
-            }
-        },
-    }
-</script>
-
-<!-- Seller functions -->
-<script>
-    ecommerce.users.user_types.sellers.prototype = {
-        add_new_product: function(product_details) {
-            try {
-                let productClass = null;
-                if(product_details.product_type==="PHYSICAL") {
-                    productClass = "physical_products";
-                    product_type = 'new_physical_product';
-                } else if(product_details.product_type==="DIGITAL") {
-                    productClass = "digital_products";
-                    product_type = 'new_digital_product';
-                } else return false;
-
-                // Generate a product object
-                const nayaProduct = new ecommerce.products[productClass](product_details);
-            
-                nayaProduct[product_type].seller_product_certificate={
-                    seller_public_key: myPubKey,
-                    seller_signature: floCrypto.signData(JSON.stringify(nayaProduct[product_type].product_info), myPrivKey),
-                }
-
-                const input_data = {};
-                input_data[nayaProduct[product_type].product_info.product_static_information.product_flo_id]=nayaProduct[product_type]
-                floCloudAPI.sendGeneralData(input_data, ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS, { receiverID: floGlobals.adminID, senderIDs: [myFloID] })
-
-                showMessage("Product added into the cloud successfully.", "SUCCESS");
-
-                return true;
-            } catch (error) {
-                throw new Error(error);
-            }
-        }, 
-        update_product_status: function(old_product_details, new_product_details) {
-            try {
-                const object_values = Object.keys(obj1);
-                
-                // SECURITY_CHECK: Test if product_details.product is certified by Admin
-
-                for(i in product_details) {
-                    if(object_values.includes(i)) {
-                        obj1[i] = product_details[i];
-                    }
-                }
-                //this.list_products_to_sell();    
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        list_products_to_sell: async function() {
-            try {
-                const myProducts = ecommerce.approved_products_list;
-                const mySellingProducts = myProducts.filter(f=>
-                    (f.product_info.product_static_information.seller_flo_id===myFloID));
-                console.table(mySellingProducts);
-                let t = ``;
-                for (const product of mySellingProducts) {
-                    let p = product.product_info.product_dynamic_information;
-                    let pid = product.product_info.product_static_information.product_flo_id;
-                    t += `<p><strong>Product</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.product}"></p>`;
-                    t += `<p><strong>Product Name</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.product_name}"> </p>`;
-                    t += `<p><strong>Product Description</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.product_description}"></p>`;
-                    t += `<p><strong>Product Image</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.image}"></p>`;
-                    t += `<p><strong>Product Selling Price</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.selling_price}"></p>`;
-                    t += `<p><strong>Product Location</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.product_location}"></p>`;
-                    t += `<p><strong>Items Available </strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.items_available}"></p>`;
-                    t += `<p><strong>On Sale</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.onSale}"></p>`;
-                    t += `<p><button class="btn btn-primary" 
-                        onclick="ecommerce.loggedInUser.user_info.update_product_status('${pid}')">
-                    Update</button></p>`;
-                    t += `<hr />`;
-                }
-
-                document.getElementById('renderList').insertAdjacentHTML( 'beforeend', t);
-
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        list_buy_orders: function() {
-            try {
-                const latest_buy_orders = floGlobals.generalData[JSON.stringify(
-                    { application: floGlobals.application, 
-                    type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
-                })];
-
-                const latestBuyOrdersList = document.getElementById('latestBuyOrdersList')
-
-                let t = ``;
-
-                for (const buy_order of latest_buy_orders) {
-                    let bo = buy_order.message;
-                    let product_dynamic_info = bo.buy_order_data.shopping_list[0].product_info.product_dynamic_information;
-                    t += `<p>UPI Txid: ${bo.payment_to_vendor_txid}</p>`;
-                    t += `<p>Item: ${product_dynamic_info.product_name}: ${bo.buy_order_data.quantity[product_dynamic_info.product_name]}</p>`;
-                    t += `<p>Total Price: ${bo.buy_order_data.final_price}</p>`;
-                    t += `<p><button onclick="ecommerce.loggedInUser.user_info.dispatch_product('${bo.txid}')">Dispatch Item</button></p>`;
-                    t += `<hr>`;
-                }   
-
-                latestBuyOrdersList.insertAdjacentHTML('beforeend', t);
-
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        dispatch_product: function(buy_txid='') {
-            try {
-                const latest_buy_orders = ecommerce.products.get_product_details_by_txid(buy_txid)
-                if(latest_buy_orders.length<1) throw new Error('No such buy order found.')
-                const product_details = latest_buy_orders[0].buy_order_data.shopping_list[0].product_info;
-                const buyer = latest_buy_orders[0].buy_order_data.buyer_flo_id;
-                let product = product_details.product_dynamic_information.product;
-                
-                if(product_details.product_static_information.product_type==="DIGITAL") {
-
-                    switch (product) {
-                        case "MOVIE_TICKETS":
-                           
-                            let ticket = `
-                                Buy_Txid: ${buy_txid}
-                                Buyer Id: ${buyer}
-                                Movie: ${product_details.product_dynamic_information.product_name}   
-                                Movie DateTime: ${product_details.product_dynamic_information.movie_datetime}
-                                Seat Number: ${product_details.product_dynamic_information.seat_number}`;
-
-                            let seller_sig = floCrypto.signData(ticket, myPrivKey)
-
-                            let signed_ticket = ticket+' VendorSignature: '+seller_sig; 
-                           
-                            floCloudAPI.sendGeneralData(signed_ticket, ecommerce.master_configurations.DATA_TYPE.PURCHASED_ITEMS, 
-                            { receiverID: buyer, senderIDs: [myFloID] })
-                           
-                            break;
-                    
-                        default:
-                            break;
-                    }
-
-                } else if(product_details.product_static_information.product_type==="PHYSICAL") {
-
-                }
-            
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-    }
-</script>
-
-<!-- Buyer functions -->
-<script>
-    ecommerce.users.user_types.buyers.prototype = {
-        buy_item: async function(itemId='', buying_units=0) {
-            try {
-                const item_details = await ecommerce.products.get_product_details_by_floId(itemId);
-                if(typeof item_details!=="object") return;
-                const item_flo_id = item_details[0].product_info.product_static_information.product_flo_id;
-                const selling_price = to_fiat_number(item_details[0].product_info.product_dynamic_information.selling_price);
-                const category = item_details[0].product_info.product_static_information.product_category;
-
-                this.buy_list.push({
-                    product_flo_id: item_flo_id,
-                    buying_units: buying_units
-                });
-                this.total_buying_price += 
-                    to_fiat_number(
-                        to_fiat_number(selling_price)
-                        * 
-                        to_fiat_number(buying_units)
-                    );
-
-                const _id = unique_id();
-
-                compactIDB.addData('my_search_history', 
-                    {
-                        id: _id,
-                        item_flo_id: item_flo_id, 
-                        productCategory: category
-                    }, 
-                _id);
-
-                this.preview_shopping_bill();
-
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        add_item_to_bucket: async function(itemId='', buying_units=0) {
-            const item_details = await ecommerce.products.get_product_details_by_floId(itemId);
-            if(typeof item_details!=="object") return;
-            const item_flo_id = item_details[0].product_info.product_static_information.product_flo_id;
-            const selling_price = to_fiat_number(item_details[0].product_info.product_dynamic_information.selling_price);
-            const category = item_details[0].product_info.product_static_information.product_category;
-
-            if(this.buy_list.some(f=>f.product_flo_id===item_flo_id)) {
-                for (const buying_item of this.buy_list) {
-                    if (buying_item.product_flo_id === item_flo_id) {
-                        buying_item.buying_units += buying_units;
-                        this.total_buying_price += 
-                            to_fiat_number(
-                                to_fiat_number(selling_price)
-                                * 
-                                to_fiat_number(buying_units)
-                            );
-                        return this.buy_list;
-                    }   
-                }
-            } else {
-                this.buy_list.push({
-                    product_flo_id: item_flo_id,
-                    buying_units: buying_units
-                });
-                this.total_buying_price += 
-                    to_fiat_number(
-                        to_fiat_number(selling_price)
-                        * 
-                        to_fiat_number(buying_units)
-                    );
-            }
-            compactIDB.addData('my_search_history', 
-                {
-                    item_flo_id: item_flo_id, 
-                    productCategory: category
-                }, 
-                category);
-        },
-        remove_item_from_bucket: function(item) {
-            for (i = 0; i < this.buy_list.length; i++) {
-                if (this.buy_list[i] === item) {
-                    if(this.buy_list[i].buying_units<=item.units) {
-                        this.buy_list.splice(i, 1);
-                        return this.buy_list;
-                    } else if(this.buy_list[i].buying_units>item.units) {
-                        this.buy_list[i].buying_units -= item.buying_units;
-                    }
-                    this.total_buying_price -= to_fiat_number(
-                        to_fiat_number(item.selling_price)
-                        * 
-                        to_fiat_number(this.buy_list[i].buying_units)
-                    );
-                }
-            }
-        },
-        preview_shopping_bill: async function() {
-            try {
-                // Reset buy price
-                this.total_buying_price = 0;
-                let bill_preview = [];
-                for (const buying_product_info in this.buy_list) {
-                    if (this.buy_list.hasOwnProperty(buying_product_info)) {
-                        const item = this.buy_list[buying_product_info];
-                        let product_details = await ecommerce.products.get_product_details_by_floId(item.product_flo_id);
-                        if(typeof product_details==="object" && typeof product_details[0]==="object") {
-                            product_details = product_details[0];
-                            if(Object.keys(ecommerce.master_configurations.sellers_list)
-                                .includes(floCrypto.getFloIDfromPubkeyHex(product_details.seller_product_certificate.seller_public_key))) {
-
-                                if(floCrypto.verifySign(JSON.stringify(product_details.product_info), 
-                                    product_details.seller_product_certificate.seller_signature,
-                                    product_details.seller_product_certificate.seller_public_key,
-                                )) {
-
-                                    let item_name = product_details.product_info.product_dynamic_information.product_name;
-                                    
-                                    // Prevent duplicate registration of products in shopping_list
-                                    if(!this.shopping_bill.shopping_list.some(s=>s.product_info.product_static_information.product_flo_id
-                                        ===product_details.product_info.product_static_information.product_flo_id)) {
-                                        this.shopping_bill.shopping_list.push(product_details);
-                                    }
-
-                                    this.shopping_bill.quantity[item_name] = Number(item.buying_units);
-
-                                    bill_preview.push({
-                                        "product": item_name,
-                                        "price": product_details.product_info.product_dynamic_information.selling_price,
-                                        "quantity": item.buying_units
-                                    });
-                                    this.total_buying_price += 
-                                        to_fiat_number(
-                                            to_fiat_number(product_details.product_info.product_dynamic_information.selling_price)
-                                            * 
-                                            to_fiat_number(item.buying_units)
-                                        );
-                                }
-                            }
-                        } else {
-                            console.error(`Product with id ${item.product_flo_id} not found`);
-                            continue;
-                        }
-                    }
-                }
-                // FOR UI_WORK
-                console.log(bill_preview)
-                
-                this.shopping_bill.buyer_flo_id = ecommerce.loggedInUser.user_info.flo_id||myFloID;
-                this.final_price = to_fiat_number(this.total_buying_price);
-                this.shopping_bill.final_price = this.final_price;
-                console.log(this.shopping_bill);
-                //return this.shopping_bill;
-
-                //billPreview
-                let billPreviewUI = `
-                    <p>Product: ${this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.product_name}</p>
-                    <p>Price: ${this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.selling_price}</p>
-                    <p>Quantity: ${this.shopping_bill.quantity[this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.product_name]}</p>
-                    <h5>Total: ${this.shopping_bill.final_price}</h5>
-                `;
-
-                document.getElementById('billPreview').innerHTML=billPreviewUI;
-                document.getElementById('item_delivery_addr').innerHTML=localStorage.getItem("FloECommerceUserAddress");
-                $('#checkoutModal').modal("show");
-
-            } catch (error) {
-                showMessage('Failed to preview shopping list', 'ERROR');
-                throw new Error(error);
-            }
-        },
-        add_gst: function() {
-            this.final_price = ((this.gst_rate+100)*this.total_buying_price)/100;
-        },
-        checkout: async function(pay_using_wallet=true) {
-            try {
-                // Check if Seller is live or not
-            
-                if(this.final_price<1) {
-                    showMessage(`The total price of purchase cannot be less than Re 1. Checkout cancelled.`);
-                    return false;
-                }
-
-                if(this.shopping_bill.shopping_list.length<1) {
-                    showMessage(`Your cart is empty. Checkout cancelled.`);
-                    return false;
-                }
-
-                // If Seller is live place a Buy order
-                this.shopping_bill.date_of_purchase = + new Date()
-                
-                let user_addr = localStorage.getItem("FloECommerceUserAddress");
-                if(typeof user_addr!=="string" || user_addr.length<1) {
-                    this.set_delivery_receiving_address();
-                }
-                this.shopping_bill.buyer_location = localStorage.getItem("FloECommerceUserAddress") || "";
-                
-                // Generate Cashier UPI for payment
-                const cashier = randomNoRepeats(Object.keys(ecommerce.master_configurations.cashiers))();
-                this.shopping_bill.cashier = cashier;
-
-                const shopping_details_str = JSON.stringify(this.shopping_bill);
-
-                const buy_order_object = {
-                    txid: Crypto.SHA256(shopping_details_str),
-                    buy_order_data: this.shopping_bill,
-                    buyer_signature_details: {
-                        buyer_sign: floCrypto.signData(shopping_details_str, myPrivKey),
-                        buyer_pubkey: myPubKey
-                    },
-                    status: "AWAITING_PAYMENT_FROM_BUYER"
-                }
-
-                console.log(buy_order_object);
-                
-                if(pay_using_wallet===true) {
-                    const flo_comment = `transfer ${buy_order_object.buy_order_data.final_price} rupee#`;                
-                    const token_balance_url = `https://ranchimallflo.duckdns.org/api/v1.0/getFloAddressBalance?token=rupee&floAddress=${myFloID}`;
-                    const sender_token_balance = await ajaxGet(token_balance_url);
-                    let err_msg = '';
-
-                    if(typeof sender_token_balance!=="object" 
-                    || typeof sender_token_balance.balance!=="number"
-                    || sender_token_balance.balance<token_amount) {
-                        err_msg = `INFO: Sender has insufficient rupee balance.`;
-                        alert(err_msg);
-                        return false;
-                    }
-
-                    const vendor_addr = buy_order_object
-                        .buy_order_data.shopping_list[0].product_info.product_static_information
-                        .seller_flo_id;
-
-                    let flo_txid = await floBlockchainAPI.sendTx(myFloID, vendor_addr, 0.001, myPrivKey, flo_comment)
-                    console.log(flo_txid);
-                    if(typeof flo_txid !== "string") {
-                        alert(`Transaction unsuccessfull. You can try payment through UPI to continue.`);
-                        return false;
-                    } else {
-
-                        buy_order_object.status = "BUYER_PAID_VENDOR_USING_WALLET";
-                        buy_order_object.payment_to_vendor_txid = flo_txid;
-                        // Store info in local history
-                        compactIDB.addData('my_orders_history', buy_order_object, buy_order_object.txid);
-
-                        floCloudAPI.sendGeneralData(buy_order_object, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
-                        {receiverID:vendor_addr, senderIDs: [myFloID]});
-
-                        this.reset_bucket_list();
-
-                        alert(`Transaction successfull: ${flo_txid}. Your order has been sent to the vendor.`);
-                        return false;
-                    }
-                } else {
-
-                    const upi = ecommerce.master_configurations.cashiers[cashier].upi_id;
-                    const msg = `Your buy order is registered.
-                        Please pay ${ecommerce.master_configurations.CURRENCY} 
-                        ${this.final_price} to ${upi} to complete the payment.`;
-                    showMessage(msg, 'SUCCESS');
-                    alert(msg);
-                    const upi_to_cashier_txid = prompt(`Enter the UPI Ref. Number or transaction id for payment of ${this.final_price} to ${upi}`, '');
-                    if(typeof upi_to_cashier_txid!=="string" || upi_to_cashier_txid.length<1) {
-                        alert("Invalid UPI txid");
-                        return false;
-                    }
-
-                    buy_order_object.upi_to_cashier_txid = upi_to_cashier_txid;
-                    buy_order_object.status = "BUYER_PAID_VENDOR_THROUGH_CASHIER";
-
-                    // Store info in local history
-                    compactIDB.addData('my_orders_history', buy_order_object, buy_order_object.txid);
-
-                    floCloudAPI.sendGeneralData(buy_order_object, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
-                    {receiverID:cashier, senderIDs: [myFloID]});
-
-                    // const payment_info_data = {
-                    //     payment_amount: this.final_price,
-                    //     cashier: cashier,
-                    // }
-
-                    //this.proceed_to_payment(payment_info_data);
-                    this.reset_bucket_list();
-                }
-
-            } catch (error) {
-                throw new Error(error);
-            }
-        },
-        proceed_to_payment: function(data) {
-            // UI_WORK
-            const upi = ecommerce.master_configurations.cashiers[data.cashier].upi_id;
-            const msg = `Your buy order is registered.
-                Please pay ${ecommerce.master_configurations.CURRENCY} 
-                ${data.payment_amount} to ${upi} to complete the payment.`;
-            showMessage(msg, 'SUCCESS');
-            return true;
-        },
-        reset_bucket_list: function() {
-            this.total_buying_price = 0;
-            this.buy_list = [];
-            this.final_price = 0;
-            this.shopping_bill = { 
-                shopping_list: [],
-                quantity: {},
-            }; 
-        },
-        set_delivery_receiving_address: function() {
-            if (typeof(Storage) == "undefined") {
-                showMessage('LocalStorage not supported.');
-                throw new Error('LocalStorage not supported.');
-            }
-            let FloECommerceUserAddress = localStorage.getItem("FloECommerceUserAddress");
-            if (FloECommerceUserAddress===null) {
-                FloECommerceUserAddress = prompt("Please enter your local address. We will fetch local services near you.");
-                if(typeof FloECommerceUserAddress!=="string" && FloECommerceUserAddress.length<1) {
-                    showMessage('Invalid Address. Please refresh to enter address again.');
-                    return;
-                } 
-                localStorage.setItem("FloECommerceUserAddress", FloECommerceUserAddress);
-            }
-        },
-        reset_delivery_receiving_address: function(new_addr='') {
-            if(typeof new_addr==='string' && new_addr.length>0) 
-                localStorage.setItem("FloECommerceUserAddress", new_addr);
-        },
-        display_items: function() {
-            try {
-                const myProducts = ecommerce.approved_products_list;
-                const mySellingProducts = myProducts.filter(f=>
-                    (f.product_info.product_dynamic_information.onSale===true 
-                    && f.product_info.product_dynamic_information.items_available>0));
-                console.table(mySellingProducts);
-                let t = ``;
-                for (const product of mySellingProducts) {
-                    let p = product.product_info;
-                    t += `<div class="product-card">
-                        <picture style="height: 226.390625px">
-                            <source srcset="">
-                            <img src="" alt="">
-                        </picture>
-                        <div class="product-info">
-                            <span class="product-name">${p.product_dynamic_information.product_name}</span>
-                            <span class="price"><span>₹</span><span>${p.product_dynamic_information.selling_price}</span></span>
-                            <span class="rating" style="background: forestgreen">
-                                <svg viewBox="0 0 69.81 69.69">
-                                    <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
-                                    c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
-                                    c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
-                                    c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"></path>
-                                </svg>
-                                <span class="numeric-rating">4.5</span>
-                                <span class="reviews">(200)</span>
-                            </span>
-                            <button class="buy" onclick="ecommerce.loggedInUser.user_info.buy_item('${p.product_static_information.product_flo_id}', 1)">Buy</button>
-                        </div>
-                        <button class="add-to-basket" title="Add to basket for buying together">
-                            <svg viewBox="0 0 72 72" class="">
-                                <line x1="36" y1="0" x2="36" y2="72"></line>
-                                <line x1="0" y1="36" x2="72" y2="36"></line>
-                            </svg>
-                        </button>
-                    </div>`;
-                }
-
-                document.getElementById('product_container').insertAdjacentHTML( 'beforeend', t);
-
-             } catch (error) {
-                 throw new Error(error)
-             }
-        },
-        display_purchased_items: function() {
-            try {
-                const my_purchased_items = floGlobals.generalData[JSON.stringify(
-                    { application: floGlobals.application, 
-                    type: ecommerce.master_configurations.DATA_TYPE.PURCHASED_ITEMS 
-                })];
-
-                const myPurchasedItemsList = document.getElementById('myPurchasedItemsList')
-
-                let t = ``;
-
-                t += `<h5>Your Purchased Items</h5>`;
-
-                for (const my_items of my_purchased_items) {
-                    t += `${my_items.message.trim()}`;
-                    t += `<hr>`
-                }
-
-                myPurchasedItemsList.insertAdjacentHTML('beforeend', t);
-
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-    }
-
-</script>
-
-<!-- Managers functions -->
-<script>
-    ecommerce.users.user_types.system_managers.prototype = {
-        // Start ecommerce in a new city
-        create_new_city_ecommerce: function(cityname='') {
-            
-            if(typeof cityname!=="string" || cityname.length<2) {
-                showMessage('Error: Please provide a city name.', 'error');
-                return false;
-            }
-
-            const flo_ecommerce = {}; 
-            flo_ecommerce[cityname] = {};
-            
-            // Master configurations should come from here
-            flo_ecommerce[cityname].master_configurations = '';
-
-            flo_ecommerce[cityname].Orders = {};
-            flo_ecommerce[cityname].Orders.buy_orders = {};
-            
-            // Every approved product is for sale 
-            //flo_ecommerce[cityname].Orders.sell_orders = {};
-            
-            flo_ecommerce[cityname].Products = {};
-            
-            // Messages should be in general object
-            // flo_ecommerce[cityname].Messages = {};
-            // flo_ecommerce[cityname].Messages["buyer_messages"] = {}
-            // flo_ecommerce[cityname].Messages["seller_messages"] = {}
-            // flo_ecommerce[cityname].Messages["cashier_messages"] = {}
-            // flo_ecommerce[cityname].Messages["delivery_messages"] = {}
-            // flo_ecommerce[cityname].Messages["manager_messages"] = {}
-            
-            floCloudAPI.resetObjectData(flo_ecommerce, ecommerce.master_configurations.SUBJECT,
-                    { receiverID: floGlobals.adminID });  
-        },
-        // Load ecommerce data relevent to an admin
-        get_general_data: function() {
-            const new_generalData = floGlobals.generalData[JSON.stringify({ application: floGlobals.application, type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS })];
-            
-            for (const new_data of new_generalData) {
-                if(!Object.keys(ecommerce.master_configurations.sellers_list).includes(new_data.sender)) continue;
-
-                for (const product_id in new_data.message) {
-                    if (new_data.message.hasOwnProperty(product_id)) {
-                        const new_product_data = new_data.message[product_id];
-                       
-                        if(ecommerce.approved_products_ids.includes(new_product_data.product_info.product_static_information.product_flo_id)) continue;
-                       
-                        const seller_id = floCrypto.getFloIDfromPubkeyHex(new_product_data.seller_product_certificate.seller_public_key);
-                        if(seller_id===new_data.sender) {
-                            if(Object.keys(ecommerce.master_configurations.sellers_list).includes(seller_id)) {
-                                
-                                if(typeof new_product_data.product_info !== "object") continue;
-
-                                if(floCrypto.verifySign(JSON.stringify(new_product_data.product_info), 
-                                    new_product_data.seller_product_certificate.seller_signature, 
-                                    new_product_data.seller_product_certificate.seller_public_key
-                                )) {
-                                    console.log('verify success. BUILD UI FOR ADMIN TO APPROVE ITEM');
-                                    const product_complete_info = {...new_product_data.product_info.product_dynamic_information, 
-                                        ...new_product_data.product_info.product_static_information};
-                                    this.build_product_approval_ui(product_complete_info);
-                                } else {
-                                    console.log("verify failed");
-                                }  
-                            }
-                        }
-                    }
-                }
-            
-            }
-        },
-        build_product_approval_ui: function(ui_data) {
-
-            var t = ``;
-            t += `<ul>`;
-
-            for (const elem in ui_data) {
-                if (ui_data.hasOwnProperty(elem)) {
-                    if(0) t += ``;
-                    
-                    t += `<li>${elem}:${ui_data[elem]}</li>`;
-                }
-            }
-            t += `<li><button onclick="ecommerce.loggedInUser.user_info.approve_seller_item('${ui_data.product_flo_id}')">APPROVE</button></li>`;
-
-            t += `</ul><hr>`;
-            document.getElementById('renderList').insertAdjacentHTML( 'beforeend', t);
-        },
-        // Approve only static values of a product
-        approve_seller_item: function(productId) {
-            try {
-                const new_generalData = floGlobals.generalData[JSON.stringify({ application: floGlobals.application, 
-                    type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS })];
-                const mapped = new_generalData.map(m=>m.message); 
-                const filtered = Object.values(mapped)
-                    .filter(key => Object.keys(key)[0]===productId);
-                const product_static_info = filtered[0][productId].product_info.product_static_information;
-                
-                const admin_approval_signature = {};
-
-                admin_approval_signature.product_flo_id = product_static_info.product_flo_id;
-                admin_approval_signature.seller_flo_id = product_static_info.seller_flo_id;
-                admin_approval_signature.date_of_approval = + new Date();
-                
-                admin_approval_signature.admin_static_product_signature = 
-                    floCrypto.signData(JSON.stringify(product_static_info), myPrivKey);
-
-                admin_approval_signature.admin_pubKey = myPubKey;
-                admin_approval_signature.product_approved = true;
-
-                console.log(admin_approval_signature);
-
-                const ROOT_OBJECT = JSON.parse(JSON.stringify(floGlobals.appObjects
-                    [ecommerce.master_configurations.SUBJECT]
-                    [ecommerce.master_configurations.CITY]));
-
-                if(typeof ROOT_OBJECT !== "object" || ROOT_OBJECT==null) {
-                    showMessage("Undefined Object. Approval process failed.", "ERROR");
-                    return false;
-                }
-
-                if(typeof ROOT_OBJECT.Products[product_static_info.seller_flo_id] !== "object"
-                || ROOT_OBJECT.Products[product_static_info.seller_flo_id] == null
-                || Object.keys(ROOT_OBJECT.Products[product_static_info.seller_flo_id]).length<1) {
-                    ROOT_OBJECT.Products[product_static_info.seller_flo_id] = {};
-                }
-
-                // Save the products under its seller object
-                ROOT_OBJECT.Products[product_static_info.seller_flo_id]
-                    [product_static_info.product_flo_id] = admin_approval_signature;
-
-                floCloudAPI.updateObjectData(floGlobals.appObjects[ecommerce.master_configurations.SUBJECT], 
-                    ROOT_OBJECT, ecommerce.master_configurations.SUBJECT, { receiverID: floGlobals.adminID });
-
-                ecommerce.actions.retrieveLatestContent();
-
-                showMessage(`Product ID ${product_static_info.product_flo_id} approved successfully.`);
-                return true;
-
-            } catch (error) {
-                throw new Error(error);
-            }
-        },
-    }
-</script>
-
-<!-- Cashier functions -->
-<script>
-    ecommerce.users.user_types.cashiers.prototype = {
-        retrieve_latest_buy_orders: async function() {
-            try {
-                await floCloudAPI.requestGeneralData(
-                    ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS,
-                    {receiverID:myFloID});
-
-                const recent_buy_orders_req = floGlobals.generalData[JSON.stringify(
-                { application: floGlobals.application, 
-                  type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
-                })];
-
-                ecommerce.recent_buy_orders = recent_buy_orders_req;
-                return ecommerce.recent_buy_orders;
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        validate_buy_orders: async function() {
-
-            try {
-                await this.retrieve_latest_buy_orders();
-                let recent_buy_orders_req = ecommerce.recent_buy_orders;
-                const buyOrderUIObject = [];
-                const flaggedOrders = [];
-
-                for (const buy_req in recent_buy_orders_req) {
-                    if (recent_buy_orders_req.hasOwnProperty(buy_req)) {
-                        
-                        const buyOrderObject = recent_buy_orders_req[buy_req];
-                        
-                        if(buyOrderObject.sender!==floCrypto
-                        .getFloIDfromPubkeyHex(buyOrderObject.message.buyer_signature_details.buyer_pubkey)) {
-                            // flag order
-                            continue;
-                        }
-
-                        if(!floCrypto.verifySign(
-                            JSON.stringify(buyOrderObject.message.buy_order_data), 
-                            buyOrderObject.message.buyer_signature_details.buyer_sign, 
-                            buyOrderObject.message.buyer_signature_details.buyer_pubkey)
-                        ) {
-                            // flag order
-                            continue;
-                        }
-
-                        const buyOrderData = buyOrderObject.message.buy_order_data;
-
-                        // Calculate final price again and check with final_price in object
-                        const calculated_final_price = buyOrderData.shopping_list
-                        .reduce((total, current_elem)=>{
-                            let current_elem_info = current_elem.product_info;
-                            if(ecommerce.approved_products_ids
-                                .includes(current_elem_info.product_static_information.product_flo_id)) {
-                                total += current_elem_info.product_dynamic_information.selling_price
-                                    * buyOrderData.quantity[current_elem_info.product_dynamic_information.product_name];
-                                return total;
-                            }
-                        }, 0);
-                        
-                        if(buyOrderData.final_price===calculated_final_price) {
-                            buyOrderUIObject.push(buyOrderObject.message.txid);
-                        } else {
-                            console.warn('Total price did not match');
-                            flaggedOrders.push(buyOrderObject.message.txid);
-                        }
-
-                        console.log(buyOrderUIObject);
-                        console.log(flaggedOrders);
-
-                    }
-                }
-
-                this.load_buy_orders(buyOrderUIObject);
-                
-            } catch (error) {
-                showMessage(`Failed to load buy orders`, 'ERROR');
-                return false;
-            }
-            
-        },
-        load_buy_orders: async function(txid_array=[]) {
-            try {
-                const approved_buys = await compactIDB.readAllData('approved_buy_orders')
-                const approved_buys_txids = Object.values(approved_buys).map(m=>m.txid)
-                let t = ``;
-                for (const txid of txid_array) {     
-                    if(approved_buys_txids.includes(txid)) continue;           
-                    const validated_array = ecommerce.products.get_product_details_by_txid(txid);
-                    let buyOrderUIObject = printArrayOfArrays(validated_array);
-                    console.log(buyOrderUIObject);
-                    t += `<ul>`;
-                    for (const key in buyOrderUIObject) {
-                        if (buyOrderUIObject.hasOwnProperty(key)) {
-                            const order_element = buyOrderUIObject[key];
-                            t += `<li>${key}: ${order_element}</li>`;
-                            if(key==='txid') {
-                                t += `<button id='${order_element}' 
-                                        onclick="ecommerce.loggedInUser.user_info.approve_buy_orders('${order_element}')">
-                                    Approve</button>`;
-                            }
-                        }
-                    }
-                    t += `</ul>`;
-                }
-                document.getElementById('renderList').innerHTML = t;
-            } catch (error) {
-                throw new Error(error)
-            }
-        },
-        // Sign and send to shopkeeper flo id
-        approve_buy_orders: function(txid='') {
-            try {
-                const payment_to_vendor_txid = prompt("Please enter the txid for payment to vendor: ", "");
-                if (typeof(payment_to_vendor_txid)!=="string" || payment_to_vendor_txid.length<1) return;
-                const validated_buy_order_array = ecommerce.products.get_product_details_by_txid(txid);
-                console.log(validated_buy_order_array);
-                
-                const validated_buy_order = validated_buy_order_array[0];
-                validated_buy_order.status = "PAYMENT_TRANSFERRED_FROM_CASHIER_TO_VENDOR";
-                validated_buy_order.payment_to_vendor_txid = payment_to_vendor_txid;
-                
-                let cashier_signature_details = {};
-                cashier_signature_details.cashier_sign = floCrypto.signData(
-                    JSON.stringify(validated_buy_order), myPrivKey);
-                cashier_signature_details.cashier_pubkey = myPubKey;
-
-                validated_buy_order['cashier_signature_details'] = cashier_signature_details;
-
-                console.log(validated_buy_order);
-
-                const vendor_addr = validated_buy_order.buy_order_data.shopping_list[0].product_info.product_static_information.seller_flo_id;
-
-                floCloudAPI.sendGeneralData(validated_buy_order, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
-                        {receiverID:vendor_addr, senderIDs: [myFloID]});
-
-                compactIDB.addData("approved_buy_orders", validated_buy_order, txid);
-
-                // Can inform buyer
-
-            } catch (error) {
-                showMessage('Errror');
-                throw new Error(error);
-            }
-        },
-    }    
-</script>
- <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
- <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
- <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
-
-<div id="renderList"></div>
-<div id="latestBuyOrdersList"></div>
-<div id="myPurchasedItemsList"></div>
-</html>
\ No newline at end of file
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..5961394
--- /dev/null
+++ b/index.html
@@ -0,0 +1,11367 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <link href="https://fonts.googleapis.com/css?family=Merriweather:700|Roboto:300,400,500,700&display=swap" rel="stylesheet">
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+
+    <title>City e-commerce</title>
+    <style>* {
+        -webkit-box-sizing: border-box;
+                box-sizing: border-box;
+      }
+      
+      :root {
+        font-size: 16px;
+        --primary-color: dodgerblue;
+      }
+      
+      body {
+        margin: 0;
+        background: #f9f9f9;
+      }
+      
+      h1, h2, h3, h4, h5 {
+        font-family: 'Merriweather', serif;
+        color: #333;
+      }
+      
+      p, span, .category, button, div {
+        font-family: 'Roboto', sans-serif;
+      }
+      
+      button {
+        display: -webkit-inline-box;
+        display: -ms-inline-flexbox;
+        display: inline-flex;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+        background: transparent;
+        border: none;
+        border-radius: 0.25rem;
+        font-weight: 500;
+        cursor: pointer;
+        padding: 1rem;
+        font-size: 1rem;
+        outline: none;
+        text-transform: uppercase;
+      }
+      
+      button:hover {
+        background: rgba(0, 0, 0, 0.04);
+        color: var(--primary-color);
+      }
+      
+      button svg {
+        height: 1rem;
+        margin-right: 0.5rem;
+      }
+      
+      svg {
+        -webkit-transition: stroke 0.3s ease, fill 0.3s ease;
+        transition: stroke 0.3s ease, fill 0.3s ease;
+        overflow: visible;
+        stroke-width: 0.5rem;
+        fill: none;
+        stroke: #333;
+      }
+      
+      .hide {
+        pointer-events: none;
+        opacity: 0;
+      }
+      
+      .fill {
+        opacity: 1 !important;
+        background: var(--primary-color) !important;
+      }
+      
+      .fill svg {
+        stroke: white;
+      }
+      
+      .no-transformations {
+        -webkit-transform: none !important;
+                transform: none !important;
+      }
+      
+      #popup-container {
+        display: -ms-grid;
+        display: grid;
+        position: fixed;
+        place-items: center;
+        z-index: 4;
+        top: 0;
+        bottom: 3.8rem;
+        left: 0;
+        right: 0;
+        background: rgba(0, 0, 0, 0.08);
+        -webkit-transition: 0.3s ease;
+        transition: 0.3s ease;
+      }
+      
+      #popup-container .popup {
+        position: relative;
+        width: 100%;
+        -ms-flex-item-align: end;
+            align-self: flex-end;
+        background: white;
+        -webkit-transform: translateY(1rem);
+                transform: translateY(1rem);
+        -webkit-transition: opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
+        transition: opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
+        transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
+        transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
+        -webkit-box-shadow: -0.2rem 0 0.8rem rgba(0, 0, 0, 0.16);
+                box-shadow: -0.2rem 0 0.8rem rgba(0, 0, 0, 0.16);
+      }
+      
+      .categories {
+        list-style: none;
+        padding: 1rem;
+      }
+      
+      .categories .category {
+        padding: 0.5rem 0;
+        margin: 0.2rem 0;
+        opacity: 1;
+      }
+      
+      #header {
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-orient: horizontal;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: row;
+                flex-direction: row;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+        font-family: 'Roboto', sans-serif;
+        padding: 1rem;
+        width: 100%;
+      }
+      
+      #header #logo {
+        margin: auto;
+        text-align: center;
+      }
+      
+      #header #logo svg {
+        height: 1rem;
+      }
+      
+      #header #logo span:first-of-type {
+        font-size: 0.8rem;
+        display: block;
+      }
+      
+      #header #logo span:nth-of-type(2) {
+        font-size: 1rem;
+        font-weight: 500;
+      }
+      
+      #header #basket_btn svg {
+        -webkit-transform-origin: top;
+                transform-origin: top;
+      }
+      
+      #header #basket_btn:hover svg {
+        -webkit-animation: shake 0.6s ease;
+                animation: shake 0.6s ease;
+        stroke: var(--primary-color);
+      }
+      
+      #header #basket_btn:hover svg path:nth-of-type(2) {
+        fill: var(--primary-color);
+      }
+      
+      @-webkit-keyframes shake {
+        0% {
+          -webkit-transform: rotate(0deg);
+                  transform: rotate(0deg);
+        }
+        20% {
+          -webkit-transform: rotate(20deg);
+                  transform: rotate(20deg);
+        }
+        40% {
+          -webkit-transform: rotate(-20deg);
+                  transform: rotate(-20deg);
+        }
+        60% {
+          -webkit-transform: rotate(10deg);
+                  transform: rotate(10deg);
+        }
+        80% {
+          -webkit-transform: rotate(-10deg);
+                  transform: rotate(-10deg);
+        }
+        100% {
+          -webkit-transform: rotate(0deg);
+                  transform: rotate(0deg);
+        }
+      }
+      
+      @keyframes shake {
+        0% {
+          -webkit-transform: rotate(0deg);
+                  transform: rotate(0deg);
+        }
+        20% {
+          -webkit-transform: rotate(20deg);
+                  transform: rotate(20deg);
+        }
+        40% {
+          -webkit-transform: rotate(-20deg);
+                  transform: rotate(-20deg);
+        }
+        60% {
+          -webkit-transform: rotate(10deg);
+                  transform: rotate(10deg);
+        }
+        80% {
+          -webkit-transform: rotate(-10deg);
+                  transform: rotate(-10deg);
+        }
+        100% {
+          -webkit-transform: rotate(0deg);
+                  transform: rotate(0deg);
+        }
+      }
+      
+      .title-text {
+        display: -webkit-inline-box;
+        display: -ms-inline-flexbox;
+        display: inline-flex;
+        -webkit-box-orient: horizontal;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: row;
+                flex-direction: row;
+        padding: 0 0.5rem;
+        position: relative;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+      }
+      
+      .title-text svg {
+        stroke: #333333;
+        stroke-width: 0.5rem;
+        height: 2rem;
+        margin-right: 0.5rem;
+        fill: none;
+        overflow: visible;
+      }
+      
+      .title-text h2 {
+        margin: 0 0 0.25em 0;
+      }
+      
+      .title-text div {
+        position: absolute;
+        bottom: 0;
+        height: 0.2rem;
+        background: #333;
+        -webkit-transition: width 0.3s ease;
+        transition: width 0.3s ease;
+      }
+      
+      #product_container {
+        position: relative;
+        display: -ms-grid;
+        display: grid;
+        gap: 0.5rem;
+        -ms-grid-columns: (auto)[2];
+            grid-template-columns: repeat(2, auto);
+        width: 100%;
+        padding: 1.5rem 0.5rem 4rem 0.5rem;
+      }
+      
+      .product-card {
+        position: relative;
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-orient: vertical;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: column;
+                flex-direction: column;
+        cursor: pointer;
+        -webkit-tap-highlight-color: transparent;
+        -webkit-transition: -webkit-box-shadow 0.3s ease;
+        transition: -webkit-box-shadow 0.3s ease;
+        transition: box-shadow 0.3s ease;
+        transition: box-shadow 0.3s ease, -webkit-box-shadow 0.3s ease;
+      }
+      
+      .product-card .add-to-basket {
+        position: absolute;
+        border-radius: 0.25rem;
+        right: 0;
+        padding: 0.5rem;
+        background: white;
+        margin: 0.5rem;
+        -webkit-transition: opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
+        transition: opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
+        transition: transform .3s ease, opacity  0.3s ease, background 0.3s ease;
+        transition: transform .3s ease, opacity  0.3s ease, background 0.3s ease, -webkit-transform .3s ease;
+      }
+      
+      .product-card .add-to-basket svg {
+        width: 1rem;
+        margin-right: 0;
+        pointer-events: none;
+      }
+      
+      .product-card .add-to-basket svg line {
+        -webkit-transition: -webkit-transform 0.3s ease;
+        transition: -webkit-transform 0.3s ease;
+        transition: transform 0.3s ease;
+        transition: transform 0.3s ease, -webkit-transform 0.3s ease;
+        -webkit-transform-origin: center;
+                transform-origin: center;
+      }
+      
+      .product-card .add-to-basket:active {
+        -webkit-transform: scale(0.8);
+                transform: scale(0.8);
+      }
+      
+      .product-card picture {
+        width: 100%;
+        background: #eee;
+        border-radius: 0.25rem;
+      }
+      
+      .product-card .product-info {
+        padding: 1rem 0.5rem;
+        margin-top: 0.5rem;
+        display: -ms-grid;
+        display: grid;
+        -ms-grid-columns: auto auto;
+            grid-template-columns: auto auto;
+        -ms-grid-rows: auto auto;
+            grid-template-rows: auto auto;
+            grid-template-areas: 'product price'
+       'ratings buy';
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+        gap: 0.5rem;
+      }
+      
+      .product-card .product-name {
+        -ms-grid-row: 1;
+        -ms-grid-column: 1;
+        grid-area: product;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        text-transform: capitalize;
+      }
+      
+      .product-card .price {
+        -ms-grid-row: 1;
+        -ms-grid-column: 2;
+        grid-area: price;
+        justify-self: flex-end;
+        font-weight: 500;
+      }
+      
+      .product-card .price span {
+        font-size: 1rem;
+      }
+      
+      .product-card .buy {
+        -ms-grid-row: 2;
+        -ms-grid-column: 2;
+        grid-area: buy;
+        justify-self: flex-end;
+        padding: 0.25em 0.5em;
+        color: var(--primary-color);
+        -webkit-box-flex: 1;
+            -ms-flex: 1;
+                flex: 1;
+      }
+      
+      .rating {
+        -ms-grid-row: 2;
+        -ms-grid-column: 1;
+        grid-area: ratings;
+        display: -webkit-inline-box;
+        display: -ms-inline-flexbox;
+        display: inline-flex;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+        justify-self: flex-start;
+        color: white;
+        padding: 0.5rem;
+        border-radius: 0.25rem;
+        font-size: 0.7rem;
+      }
+      
+      .rating svg {
+        height: 0.9rem;
+        fill: white;
+        stroke: none;
+        margin-right: 0.25rem;
+      }
+      
+      .rating .numeric-rating {
+        margin-right: 0.25rem;
+      }
+      
+      #product_page {
+        position: absolute;
+        -ms-grid-columns: auto;
+            grid-template-columns: auto;
+        grid-auto-rows: -webkit-min-content;
+        grid-auto-rows: min-content;
+        gap: 1rem;
+        padding: 1.5rem 0.5rem 4rem 0.5rem;
+      }
+      
+      #product_page header {
+        padding: 0.5rem 0;
+      }
+      
+      #product_page div, #product_page button {
+        margin-bottom: 1rem;
+      }
+      
+      #product_page div:first-of-type div:first-of-type {
+        font-size: 0.8rem;
+        margin-bottom: 0.25rem;
+      }
+      
+      #product_page div:first-of-type div:nth-of-type(2) {
+        font-weight: 500;
+        font-size: 1.5rem;
+      }
+      
+      #product_page div:first-of-type div:nth-of-type(3) {
+        font-size: 0.8rem;
+        background: forestgreen;
+        padding: 0.5rem;
+      }
+      
+      #product_page div:first-of-type div:nth-of-type(4) {
+        font-size: 2rem;
+        font-weight: 500;
+      }
+      
+      #product_page div:first-of-type button {
+        padding: 0.5rem;
+      }
+      
+      #product_page div:first-of-type button:first-of-type {
+        background: var(--primary-color);
+        color: white;
+        border: 0.1rem solid var(--primary-color);
+      }
+      
+      #product_page div:first-of-type button:nth-of-type(2) {
+        border: 0.1rem solid var(--primary-color);
+        color: var(--primary-color);
+      }
+      
+      #bottom_nav {
+        position: fixed;
+        z-index: 4;
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-orient: horizontal;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: row;
+                flex-direction: row;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+        border-top: 1px solid rgba(0, 0, 0, 0.08);
+        bottom: 0;
+        width: 100%;
+        background: #f9f9f9;
+      }
+      
+      #bottom_nav .nav-item {
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-orient: vertical;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: column;
+                flex-direction: column;
+        padding: 0.5rem;
+        width: 100%;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+      }
+      
+      #bottom_nav .nav-item svg {
+        height: 1.2rem;
+        width: 1.2rem;
+        margin: 0.5rem;
+        fill: none;
+        stroke-width: 0.5rem;
+        overflow: visible;
+        stroke: #333;
+      }
+      
+      #bottom_nav .nav-item span {
+        font-size: 0.6rem;
+        font-weight: 500;
+      }
+      
+      #bottom_nav .nav-item:nth-of-type(2) svg path:nth-of-type(3) {
+        stroke-dashoffset: 0;
+        stroke-dasharray: 60;
+        -webkit-transition: stroke-dashoffset 0.3s ease;
+        transition: stroke-dashoffset 0.3s ease;
+      }
+      
+      #bottom_nav .nav-item:nth-of-type(2):hover svg {
+        stroke: var(--primary-color);
+      }
+      
+      #bottom_nav .nav-item:nth-of-type(2):hover svg path:nth-of-type(1) {
+        fill: var(--primary-color);
+      }
+      
+      #bottom_nav .nav-item:nth-of-type(2):hover svg path:nth-of-type(3) {
+        stroke-dashoffset: 30;
+      }
+      
+      .popup h3 {
+        padding: 0 1rem;
+      }
+      
+      .popup ul {
+        padding: 0 1rem;
+      }
+      
+      .popup .category {
+        padding: 0.6rem 0;
+      }
+      
+      #toast {
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-orient: horizontal;
+        -webkit-box-direction: normal;
+            -ms-flex-direction: row;
+                flex-direction: row;
+        position: fixed;
+        bottom: 4rem;
+        width: 90%;
+        left: 50%;
+        -webkit-transform: translateX(-50%);
+                transform: translateX(-50%);
+        background: white;
+        padding: 1rem;
+        margin: 1rem 0;
+        -webkit-box-shadow: 0.2rem 0.4rem 0.5rem rgba(0, 0, 0, 0.16), 0 0 0.1rem rgba(0, 0, 0, 0.08);
+                box-shadow: 0.2rem 0.4rem 0.5rem rgba(0, 0, 0, 0.16), 0 0 0.1rem rgba(0, 0, 0, 0.08);
+        -webkit-transition: opacity 0.4s ease;
+        transition: opacity 0.4s ease;
+      }
+      
+      .switch line:first-of-type {
+        -webkit-transform: rotate(-90deg);
+                transform: rotate(-90deg);
+      }
+      
+      .switch line:nth-of-type(2) {
+        -webkit-transform: rotate(-180deg);
+                transform: rotate(-180deg);
+      }
+      
+      @media only screen and (max-width: 640px) {
+        .hide-on-mobile {
+          display: none;
+        }
+      }
+      
+      @media only screen and (min-width: 640px) {
+        ::-webkit-scrollbar {
+          width: 0.6rem;
+          height: 0.25rem;
+        }
+        ::-webkit-scrollbar-track {
+          background: transparent;
+        }
+        ::-webkit-scrollbar-thumb {
+          background: rgba(0, 0, 0, 0.2);
+        }
+        ::-webkit-scrollbar-thumb:hover {
+          background: rgba(0, 0, 0, 0.4);
+        }
+        .hide-on-desktop {
+          display: none;
+        }
+        #product_container {
+          gap: 1rem;
+          -ms-grid-columns: (auto)[2];
+              grid-template-columns: repeat(2, auto);
+        }
+        .page {
+          position: relative;
+          padding: 0 2vw;
+          display: -ms-grid;
+          display: grid;
+        }
+        #homepage {
+          -ms-grid-columns: 14rem auto;
+              grid-template-columns: 14rem auto;
+              grid-template-areas: 'sidebar content';
+          gap: 2rem;
+        }
+        #homepage .left {
+          -ms-grid-row: 1;
+          -ms-grid-column: 1;
+          grid-area: sidebar;
+        }
+        #homepage .left h3 {
+          margin-top: 0;
+          position: -webkit-sticky;
+          position: sticky;
+          top: 2rem;
+        }
+        #homepage .left .categories {
+          position: -webkit-sticky;
+          position: sticky;
+          top: 4.5rem;
+          padding: 0;
+          border-right: thin solid rgba(0, 0, 0, 0.16);
+        }
+        #homepage .left .categories .category {
+          padding: 0.5rem 0;
+          margin: 0.2rem 0;
+          border-right: 0.2rem solid transparent;
+          opacity: 0.6;
+        }
+        #homepage .left .categories .category:hover {
+          cursor: pointer;
+          opacity: 1;
+        }
+        #homepage .left .categories .active {
+          border-right: 0.3rem solid rgba(0, 0, 0, 0.8);
+          font-weight: normal;
+          opacity: 1;
+        }
+        #homepage .right {
+          position: relative;
+          -ms-grid-row: 1;
+          -ms-grid-column: 2;
+          grid-area: content;
+        }
+        #product_page {
+          -ms-grid-columns: 1fr 4fr;
+              grid-template-columns: 1fr 4fr;
+          -ms-grid-rows: min-content auto;
+              grid-template-rows: -webkit-min-content auto;
+              grid-template-rows: min-content auto;
+              grid-template-areas: 'head head'
+       'picture info';
+          gap: 1rem 2rem;
+          padding: 1.5rem 2vw 4rem 2vw;
+        }
+        #product_page header {
+          -ms-grid-row: 1;
+          -ms-grid-column: 1;
+          -ms-grid-column-span: 2;
+          grid-area: head;
+        }
+        #product_page picture {
+          -ms-grid-row: 2;
+          -ms-grid-column: 1;
+          grid-area: picture;
+          background: rgba(0, 0, 0, 0.04);
+          width: 100%;
+          height: 100%;
+        }
+        #product_page div:first-of-type {
+          -ms-grid-row: 2;
+          -ms-grid-column: 2;
+          grid-area: info;
+        }
+        #header {
+          padding: 1.5rem 2vw;
+        }
+        #header #logo {
+          margin: 0;
+          text-align: left;
+        }
+        #header button:first-of-type {
+          margin-left: auto;
+        }
+        #header button:nth-of-type(2) {
+          margin-left: 0.5rem;
+        }
+        #header button:nth-of-type(2) svg path:nth-of-type(3) {
+          stroke-dashoffset: 0;
+          stroke-dasharray: 60;
+          -webkit-transition: stroke-dashoffset 0.3s ease;
+          transition: stroke-dashoffset 0.3s ease;
+        }
+        #header button:nth-of-type(2):hover svg {
+          stroke: var(--primary-color);
+        }
+        #header button:nth-of-type(2):hover svg path:nth-of-type(1) {
+          fill: var(--primary-color);
+        }
+        #header button:nth-of-type(2):hover svg path:nth-of-type(3) {
+          stroke-dashoffset: 30;
+        }
+        #bottom_nav {
+          display: none;
+        }
+        #toast {
+          left: auto;
+          right: 0;
+          width: auto;
+          bottom: 0;
+          -webkit-transform: none;
+                  transform: none;
+          margin: 2rem;
+        }
+        .add-to-basket {
+          opacity: 0;
+        }
+        .product-card:hover .add-to-basket {
+          opacity: 1;
+        }
+      }
+      
+      @media only screen and (min-width: 800px) {
+        #product_container {
+          -ms-grid-columns: (auto)[3];
+              grid-template-columns: repeat(3, auto);
+        }
+      }
+      
+      @media only screen and (min-width: 1100px) {
+        #header {
+          padding: 2rem 4vw;
+        }
+        .page {
+          padding: 0 4vw !important;
+        }
+        #product_container {
+          -ms-grid-columns: (auto)[4];
+              grid-template-columns: repeat(4, auto);
+        }
+        .product-card {
+          max-width: 20vw;
+        }
+      }
+      
+      @media all and (device-width: 768px) and (device-height: 1024px) and (orientation: portrait) {
+        .add-to-basket {
+          opacity: 1;
+        }
+      }
+      
+      @media all and (device-width: 1024px) and (device-height: 768px) and (orientation: landscape) {
+        .add-to-basket {
+          opacity: 1;
+        }
+      }
+      /*# sourceMappingURL=main.css.map */
+      .hidden {
+        display: none;
+      }
+      </style>
+</head>
+<script id="floGlobals">
+    /* Constants for FLO blockchain operations !!Make sure to add this at begining!! */
+    const floGlobals = {
+  
+      //Required for all
+      blockchain: "FLO",
+  
+      //Required for blockchain API operators
+      apiURL: {
+        FLO: ['https://explorer.mediciland.com/', 'https://livenet.flocha.in/', 'https://flosight.duckdns.org/', 'http://livenet-explorer.floexperiments.com/'],
+        FLO_TEST: ['https://testnet-flosight.duckdns.org/', 'https://testnet.flocha.in/']
+      },
+      adminID: "FNU7DncTsfMc6BJsA1s8Ai23yDotFpagKf",
+      sendAmt: 0.001,
+      fee: 0.0005,
+  
+      //Required for Supernode operations
+      SNStorageID: "FEzk75EGMPEQMrCuPosGiwuK162hcEu49E",
+      supernodes: {}, //each supnernode must be stored as floID : {uri:<uri>,pubKey:<publicKey>}
+  
+      //for cloud apps
+      subAdmins: [],
+      application: "eCommerce",
+      vectorClock: {},
+      appObjects: {},
+      generalData: {},
+      generalVC: {},
+    }
+  </script>
+  
+<body onload="onLoadStartUp()">
+    <!-- templates-->
+    <template id="product">
+        <div class="product-card">
+            <picture>
+                <source srcset="">
+                <img src="" alt="">
+            </picture>
+            <div class="product-info">
+                <span class="product-name"></span>
+                <span class="price"><span>&#8377;</span><span></span></span>
+                <span class="rating">
+                    <svg viewBox="0 0 69.81 69.69">
+                        <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
+                        c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
+                        c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
+                        c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"/>
+                    </svg>
+                    <span class="numeric-rating"></span>
+                    <span class="reviews"></span>
+                </span>
+                <button class="buy">Buy</button>
+            </div>
+            <button class="add-to-basket" title="Add to basket for buying together">
+                <svg viewBox="0 0 72 72">
+                    <line x1="36" y1="0" x2="36" y2="72"/>
+                    <line x1="0" y1="36" x2="72" y2="36"/>
+                </svg>
+            </button>
+        </div>
+    </template>
+    <div id="popup-container" class="hide">
+        <div id="category_list" class="popup hide">
+            <h3>Categories</h3>
+            <ul class="categories">
+                <li class="category">Deal of the day</li>
+                <li class="active category">Under 500</li>
+                <li class="category">Daily items</li>
+                <li class="category">Local services</li>
+                <li class="category">My local shops</li>
+                <li class="category">My matched shops</li>
+            </ul>
+        </div>
+    </div>
+    <header id="header">
+        <div id="logo">
+            <span>RanchiMall</span>
+            <span>City E-COMMERCE</span>
+        </div>
+        <button id="basket_btn" class="hide-on-mobile">
+            <svg viewBox="0 0 55 73">
+            <g>
+                <path d="M40.03,23.93l-0.05-8.89c0-8.03-5.6-14.54-12.5-14.54s-12.5,6.51-12.5,14.54l0.05,8.89"/>
+                <path d="M45.61,72.5H9.39c-3.43,0-6.3-3.75-6.61-8.65l-2.25-35.4c-0.35-5.57,2.71-10.37,6.61-10.37h40.72
+                    c3.9,0,6.96,4.8,6.61,10.37l-2.25,35.4C51.91,68.75,49.05,72.5,45.61,72.5z"/>
+                <ellipse cx="14.92" cy="26.36" rx="2.16" ry="2.47"/>
+                <ellipse cx="40.05" cy="26.36" rx="2.16" ry="2.47"/>
+            </g>
+            </svg>
+            Basket
+            </button class="hide-on-mobile">
+        <button id="" class="hide-on-mobile">
+            <svg viewBox="0 0 55 73.5">
+            <g>
+                <path d="M47.75,73H7.25c-3.73,0-6.75-3.02-6.75-6.75v-40.5C0.5,22.02,3.52,19,7.25,19h5.06h30.37h5.06
+                    c3.73,0,6.75,3.02,6.75,6.75v40.5C54.5,69.98,51.48,73,47.75,73z"/>
+                <path d="M0.5,29.84"/>
+                <path d="M12.31,19l0-5.21c0-7.34,6.8-13.29,15.19-13.29s15.19,5.95,15.19,13.29V19"/>
+            </g>
+            </svg>
+            Log in</button>
+    </header>       
+    <section id="homepage" class="page">
+        <div class="left hide-on-mobile">
+            <h3>Categories</h3>
+            <ul class="categories">
+                <li class="category">Deal of the day</li>
+                <li class="active category">Under 500</li>
+                <li class="category">Daily items</li>
+                <li class="category">Local services</li>
+                <li class="category">My local shops</li>
+                <li class="category">My matched shops</li>
+            </ul>
+        </div>
+        <div class="right">
+            <div class="title-text">
+                <svg viewBox="0 0 75.78 102.31">
+                <path d="M59.06,22.05c2,9-2.18,16.48-5,19c1-8-18-20-14-40c-52,33-37.79,76-37.79,76c2.24,10.49,9.59,19.25,19.5,23.9
+                c-0.59-1.18-1.04-2.43-1.32-3.74c0,0-3.98-15.99,7.16-26.65c2.13-2.36,10.52-8.33,8.58-18.01c25.19,15.99,18.93,44.66,18.93,44.66
+                c-0.3,1.43-0.8,2.79-1.47,4.06c10.27-4.56,17.9-13.48,20.19-24.22C73.85,77.05,82.06,44.05,59.06,22.05z"/>
+                </svg>
+                <span>
+                    <h2>Under 500</h2>
+                    <div></div>
+                </span>
+            </div>
+            <div id="product_container">
+            </div>
+        </div>
+    </section>
+    <!--<section id="product_page" class="page hide">
+        <header>Category</header>
+        <picture>
+            <source>
+        </picture>
+        <div>
+            <div>Seller</div>
+            <div>Product Name</div>
+            <div class="rating">
+                <svg viewBox="0 0 69.81 69.69">
+                    <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
+                    c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
+                    c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
+                    c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"/>
+                </svg>
+                <span class="numeric-rating">4.5</span>
+                <span class="reviews">(300)</span>
+            </div>
+            <div class="price"><span>&#8377;</span><span>400</span></div>
+            <button class="buy">Buy</button>
+            <button>Add to basket</button>
+            <div>Description</div>
+            <p>
+                Lorem ipsum dolor sit amet consectetur adipisicing elit. A fuga, laudantium magnam exercitationem, maxime cumque id saepe, placeat alias suscipit in repellendus impedit eius nesciunt harum. Asperiores amet natus odio.
+            </p>
+        </div>
+    </section>-->
+    <nav id="bottom_nav" class="hide-on-desktop">
+        <div class="nav-item" onclick="popup('show','category_list')">
+            <svg id="menu_btn" viewBox="0 0 18 14">
+                <g data-name="Group 10" transform="translate(-23.5 -55.5)">
+                  <line data-name="Line 7" x2="16" transform="translate(24.5 56.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
+                  <line data-name="Line 8" x2="16" transform="translate(24.5 62.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
+                  <line data-name="Line 9" x2="8" transform="translate(24.5 68.5)" fill="none" stroke="#313131" stroke-linecap="round" stroke-width="2"/>
+                </g>
+            </svg>
+            <span>Categories</span>
+        </div>
+        <div class="nav-item">
+            <svg viewBox="0 0 55 73.5">
+                <g>
+                    <path d="M47.75,73H7.25c-3.73,0-6.75-3.02-6.75-6.75v-40.5C0.5,22.02,3.52,19,7.25,19h5.06h30.37h5.06
+                        c3.73,0,6.75,3.02,6.75,6.75v40.5C54.5,69.98,51.48,73,47.75,73z"/>
+                    <path d="M0.5,29.84"/>
+                    <path d="M12.31,19l0-5.21c0-7.34,6.8-13.29,15.19-13.29s15.19,5.95,15.19,13.29V19"/>
+                </g>
+            </svg> 
+            <span>Log in</span>
+        </div>
+    </nav>
+    <div id="toast" class="hide">
+        <span>Action done</span>
+    </div>
+
+    <!-- Order Checkout Modal -->
+
+    <div class="modal fade" id="checkoutModal" tabindex="-1" role="dialog" aria-labelledby="checkoutModalModalLabel" aria-hidden="true">
+        <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title" id="checkoutModalModalLabel">Bill Preview</h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+                <div id="billPreview"></div>
+                <label for="item_delivery_addr">Delivery Address:</label>
+                <textarea class="form-control" id="item_delivery_addr" cols="30" rows="10"></textarea>
+            </div>
+            <div class="modal-footer">
+                <button type="button" onclick="ecommerce.loggedInUser.user_info.checkout(true)" class="btn btn-secondary" >Pay Using Wallet</button>
+                <button type="button" onclick="ecommerce.loggedInUser.user_info.checkout(false)" class="btn btn-primary">Pay Using UPI</button>
+            </div>
+        </div>
+        </div>
+    </div>
+    <script>
+        let productDb = [
+            {
+                name: 'something',
+                seller: '...',
+                price: 200,
+                rating: 4.5,
+                reviews: 200,
+            },
+            {
+                name: 'something2',
+                seller: '...',
+                price: 400,
+                rating: 3.5,
+                reviews: 200,
+            },
+            {
+                name: 'something3',
+                seller: '...',
+                price: 400,
+                rating: 2.5,
+                reviews: 200,
+            },
+            {
+                name: 'something4',
+                seller: '...',
+                price: 400,
+                rating: 1.5,
+                reviews: 200,
+            },
+            {
+                name: 'something5',
+                seller: '...',
+                price: 400,
+                rating: 0.5,
+                reviews: 200,
+            }
+        ]
+        let render = {
+            productCard: function(name, price, rating, reviews){
+                let productContainer = document.getElementById('product_container'),
+                    product = document.getElementById('product'),
+                    clone = product.content.cloneNode(true),
+                    productInfo = clone.children[0].children[1],
+                    color = '';
+                productInfo.children[0].textContent = name;
+                productInfo.children[1].children[1].textContent = price;
+                if(rating >=0 && rating < 1)
+                    color = 'red'                 
+                else if(rating >= 1 && rating < 2)
+                    color = 'tomato'               
+                else if(rating >= 2 && rating < 3)
+                    color = 'darkorange'             
+                else if(rating >= 3 && rating < 4)
+                    color = 'limegreen'                   
+                else
+                    color = 'forestgreen'      
+                productInfo.children[2].children[1].textContent = rating;
+                productInfo.children[2].children[2].textContent = `(${reviews})`;
+                productInfo.children[2].setAttribute('style', `background: ${color}`) 
+                productContainer.appendChild(clone)
+            }
+        }
+
+        productDb.forEach((product) => {
+            render.productCard(product.name, product.price, product.rating, product.reviews);
+        })
+
+        let categoryList = document.querySelectorAll('.category'),
+            titleText = document.querySelector('.title-text'),
+            textWidth = titleText.children[1].children[0].getBoundingClientRect().width;
+            titleText.children[1].children[1].setAttribute('style', `width: ${textWidth/1.5}px`)
+        document.querySelectorAll('.categories').forEach((category) => {
+            category.addEventListener('click', (event) => {
+                if(event.target.classList.contains('category')){
+                    categoryList.forEach((cat) => {
+                        cat.classList.remove('active')
+                    })
+                    event.target.classList.add('active')
+                    titleText.children[1].children[0].textContent = event.target.textContent;
+                    textWidth = titleText.children[1].children[0].getBoundingClientRect().width;
+                    titleText.children[1].children[1].setAttribute('style', `width: ${textWidth/1.5}px`)
+                    popup('hide','category_list')
+                }
+            })
+        })
+
+
+        let allItems = document.querySelectorAll('.product-card'),
+            width = allItems[0].firstElementChild.getBoundingClientRect().width;
+            window.addEventListener('resize', ()=>{
+                width = allItems[0].firstElementChild.getBoundingClientRect().width; 
+                allItems.forEach((item) => {
+                    item.firstElementChild.setAttribute('style', `height: ${width}px`)
+                })
+            })
+        allItems.forEach((item) => {
+            item.firstElementChild.setAttribute('style', `height: ${width}px`)
+        })
+        function showToast(messege = '')
+        {
+            let toast = document.getElementById('toast');
+            toast.firstElementChild.textContent = messege;
+            if(toast.classList.contains('hide'))
+                toast.classList.remove('hide');
+            setTimeout(() => {
+                toast.classList.add('hide')
+            },3000)
+
+        }
+        document.getElementById('product_container').addEventListener('click', (event) => {
+            if(event.target.classList.contains('add-to-basket')){
+                event.target.firstElementChild.classList.toggle('switch');
+                event.target.classList.toggle('fill')
+                if(event.target.firstElementChild.classList.contains('switch')){
+                    showToast(`Added item to basket`);
+                }
+                else{
+                    showToast(`Removed item from basket`);
+                }
+            }
+        })
+
+        function popup(display, popup){
+            let thisPopup = document.getElementById(popup);
+            if(display === 'show' && thisPopup.classList.contains('hide')){
+                thisPopup.classList.remove('hide')
+                thisPopup.classList.add('no-transformations')
+                document.getElementById('popup-container').classList.remove('hide')
+            }
+            else{
+                thisPopup.classList.add('hide')
+                thisPopup.classList.remove('no-transformations')
+                document.getElementById('popup-container').classList.add('hide')
+            }
+        }
+
+        document.getElementById('popup-container').addEventListener('click', (event) => {
+            if(event.target.id === 'popup-container'){
+                document.querySelectorAll('.popup').forEach((popup) => {
+                    popup.classList.add('hide')
+                    popup.classList.remove('no-transformations')
+                })
+                event.target.classList.add('hide')
+            }
+        })
+    </script>
+</body>
+<script>
+    function showMessage(msg) {
+        return;
+        document.getElementById('show_log_events').textContent = msg;
+        if (document.getElementById('loader_container').classList.contains('hide')) {
+            //showLoader()
+            setTimeout(() => {
+                hideLoader()
+            }, 1000);
+        }
+    }
+    function showLoader() {
+        let spinner = document.getElementById('loader_container');
+        spinner.firstElementChild.classList.add('pulse');
+        spinner.classList.remove('hide');
+    }
+    function hideLoader() {
+        let spinner = document.getElementById('loader_container');
+        spinner.firstElementChild.classList.remove('pulse');
+        spinner.classList.add('hide');
+    }
+
+</script>
+
+<script id="init_lib">
+    //All util libraries required for Standard operations (DO NOT EDIT ANY)
+
+      /* Reactor Event handling */
+  if (typeof reactor == "undefined" || !reactor) {
+    (function () {
+      function Event(name) {
+        this.name = name;
+        this.callbacks = [];
+      }
+
+      Event.prototype.registerCallback = function (callback) {
+        this.callbacks.push(callback);
+      };
+
+      function Reactor() {
+        this.events = {};
+      }
+
+      Reactor.prototype.registerEvent = function (eventName) {
+        var event = new Event(eventName);
+        this.events[eventName] = event;
+      };
+
+      Reactor.prototype.dispatchEvent = function (eventName, eventArgs) {
+        this.events[eventName].callbacks.forEach(function (callback) {
+          callback(eventArgs);
+        });
+      };
+
+      Reactor.prototype.addEventListener = function (eventName, callback) {
+        this.events[eventName].registerCallback(callback);
+      };
+
+      window.reactor = new Reactor();
+    })();
+  }
+
+  /* Sample Usage
+    --Creating and defining the event--
+    reactor.registerEvent('<eventName>');
+    reactor.addEventListener('<eventName>', function(someObject){
+      do something...
+    });
+    --Firing the event--
+    reactor.dispatchEvent('<eventName>',<someObject>);
+  */
+
+  
+/*!
+* Crypto-JS v2.5.4  Crypto.js
+* http://code.google.com/p/crypto-js/
+* Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+* http://code.google.com/p/crypto-js/wiki/License
+*/
+if (typeof Crypto == "undefined" || !Crypto.util) {
+    (function () {
+
+        var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+        // Global Crypto object
+        var Crypto = window.Crypto = {};
+
+        // Crypto utilities
+        var util = Crypto.util = {
+
+            // Bit-wise rotate left
+            rotl: function (n, b) {
+                return (n << b) | (n >>> (32 - b));
+            },
+
+            // Bit-wise rotate right
+            rotr: function (n, b) {
+                return (n << (32 - b)) | (n >>> b);
+            },
+
+            // Swap big-endian to little-endian and vice versa
+            endian: function (n) {
+
+                // If number given, swap endian
+                if (n.constructor == Number) {
+                    return util.rotl(n, 8) & 0x00FF00FF |
+                util.rotl(n, 24) & 0xFF00FF00;
+                }
+
+                // Else, assume array and swap all items
+                for (var i = 0; i < n.length; i++)
+                    n[i] = util.endian(n[i]);
+                return n;
+
+            },
+
+            // Generate an array of any length of random bytes
+            randomBytes: function (n) {
+                for (var bytes = []; n > 0; n--)
+                    bytes.push(Math.floor(Math.random() * 256));
+                return bytes;
+            },
+
+            // Convert a byte array to big-endian 32-bit words
+            bytesToWords: function (bytes) {
+                for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
+                    words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
+                return words;
+            },
+
+            // Convert big-endian 32-bit words to a byte array
+            wordsToBytes: function (words) {
+                for (var bytes = [], b = 0; b < words.length * 32; b += 8)
+                    bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
+                return bytes;
+            },
+
+            // Convert a byte array to a hex string
+            bytesToHex: function (bytes) {
+                for (var hex = [], i = 0; i < bytes.length; i++) {
+                    hex.push((bytes[i] >>> 4).toString(16));
+                    hex.push((bytes[i] & 0xF).toString(16));
+                }
+                return hex.join("");
+            },
+
+            // Convert a hex string to a byte array
+            hexToBytes: function (hex) {
+                for (var bytes = [], c = 0; c < hex.length; c += 2)
+                    bytes.push(parseInt(hex.substr(c, 2), 16));
+                return bytes;
+            },
+
+            // Convert a byte array to a base-64 string
+            bytesToBase64: function (bytes) {
+                for (var base64 = [], i = 0; i < bytes.length; i += 3) {
+                    var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
+                    for (var j = 0; j < 4; j++) {
+                        if (i * 8 + j * 6 <= bytes.length * 8)
+                            base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
+                        else base64.push("=");
+                    }
+                }
+
+                return base64.join("");
+            },
+
+            // Convert a base-64 string to a byte array
+            base64ToBytes: function (base64) {
+                // Remove non-base-64 characters
+                base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
+
+                for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
+                    if (imod4 == 0) continue;
+                    bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
+                    (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
+                }
+
+                return bytes;
+            }
+
+        };
+
+        // Crypto character encodings
+        var charenc = Crypto.charenc = {};
+
+        // UTF-8 encoding
+        var UTF8 = charenc.UTF8 = {
+
+            // Convert a string to a byte array
+            stringToBytes: function (str) {
+                return Binary.stringToBytes(unescape(encodeURIComponent(str)));
+            },
+
+            // Convert a byte array to a string
+            bytesToString: function (bytes) {
+                return decodeURIComponent(escape(Binary.bytesToString(bytes)));
+            }
+
+        };
+
+        // Binary encoding
+        var Binary = charenc.Binary = {
+
+            // Convert a string to a byte array
+            stringToBytes: function (str) {
+                for (var bytes = [], i = 0; i < str.length; i++)
+                    bytes.push(str.charCodeAt(i) & 0xFF);
+                return bytes;
+            },
+
+            // Convert a byte array to a string
+            bytesToString: function (bytes) {
+                for (var str = [], i = 0; i < bytes.length; i++)
+                    str.push(String.fromCharCode(bytes[i]));
+                return str.join("");
+            }
+
+        };
+
+    })();
+}
+
+
+
+        //Adding SHA1 to fix basic PKBDF2
+        /*
+         * Crypto-JS v2.5.4
+         * http://code.google.com/p/crypto-js/
+         * (c) 2009-2012 by Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8,
+                Binary = charenc.Binary;
+
+            // Public API
+            var SHA1 = C.SHA1 = function (message, options) {
+                var digestbytes = util.wordsToBytes(SHA1._sha1(message));
+                return options && options.asBytes ? digestbytes :
+                    options && options.asString ? Binary.bytesToString(digestbytes) :
+                    util.bytesToHex(digestbytes);
+            };
+
+            // The core
+            SHA1._sha1 = function (message) {
+
+                // Convert to byte array
+                if (message.constructor == String) message = UTF8.stringToBytes(message);
+                /* else, assume byte array already */
+
+                var m = util.bytesToWords(message),
+                    l = message.length * 8,
+                    w = [],
+                    H0 = 1732584193,
+                    H1 = -271733879,
+                    H2 = -1732584194,
+                    H3 = 271733878,
+                    H4 = -1009589776;
+
+                // Padding
+                m[l >> 5] |= 0x80 << (24 - l % 32);
+                m[((l + 64 >>> 9) << 4) + 15] = l;
+
+                for (var i = 0; i < m.length; i += 16) {
+
+                    var a = H0,
+                        b = H1,
+                        c = H2,
+                        d = H3,
+                        e = H4;
+
+                    for (var j = 0; j < 80; j++) {
+
+                        if (j < 16) w[j] = m[i + j];
+                        else {
+                            var n = w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16];
+                            w[j] = (n << 1) | (n >>> 31);
+                        }
+
+                        var t = ((H0 << 5) | (H0 >>> 27)) + H4 + (w[j] >>> 0) + (
+                            j < 20 ? (H1 & H2 | ~H1 & H3) + 1518500249 :
+                            j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
+                            j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
+                            (H1 ^ H2 ^ H3) - 899497514);
+
+                        H4 = H3;
+                        H3 = H2;
+                        H2 = (H1 << 30) | (H1 >>> 2);
+                        H1 = H0;
+                        H0 = t;
+
+                    }
+
+                    H0 += a;
+                    H1 += b;
+                    H2 += c;
+                    H3 += d;
+                    H4 += e;
+
+                }
+
+                return [H0, H1, H2, H3, H4];
+
+            };
+
+            // Package private blocksize
+            SHA1._blocksize = 16;
+
+            SHA1._digestsize = 20;
+
+        })();
+
+        //Added to make PKBDF2 work
+        /*
+         * Crypto-JS v2.5.4
+         * http://code.google.com/p/crypto-js/
+         * (c) 2009-2012 by Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8,
+                Binary = charenc.Binary;
+
+            C.HMAC = function (hasher, message, key, options) {
+
+                // Convert to byte arrays
+                if (message.constructor == String) message = UTF8.stringToBytes(message);
+                if (key.constructor == String) key = UTF8.stringToBytes(key);
+                /* else, assume byte arrays already */
+
+                // Allow arbitrary length keys
+                if (key.length > hasher._blocksize * 4)
+                    key = hasher(key, {
+                        asBytes: true
+                    });
+
+                // XOR keys with pad constants
+                var okey = key.slice(0),
+                    ikey = key.slice(0);
+                for (var i = 0; i < hasher._blocksize * 4; i++) {
+                    okey[i] ^= 0x5C;
+                    ikey[i] ^= 0x36;
+                }
+
+                var hmacbytes = hasher(okey.concat(hasher(ikey.concat(message), {
+                    asBytes: true
+                })), {
+                    asBytes: true
+                });
+
+                return options && options.asBytes ? hmacbytes :
+                    options && options.asString ? Binary.bytesToString(hmacbytes) :
+                    util.bytesToHex(hmacbytes);
+
+            };
+
+        })();
+
+
+        //crypto-sha256-hmac.js
+        /*
+         * Crypto-JS v2.5.4
+         * http://code.google.com/p/crypto-js/
+         * (c) 2009-2012 by Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+
+        function ascii_to_hexa(str) {
+            var arr1 = [];
+            for (var n = 0, l = str.length; n < l; n++) {
+                var hex = Number(str.charCodeAt(n)).toString(16);
+                arr1.push(hex);
+            }
+            return arr1.join('');
+        }
+
+
+        (typeof Crypto == "undefined" || !Crypto.util) && function () {
+            var d = window.Crypto = {},
+                k = d.util = {
+                    rotl: function (b, a) {
+                        return b << a | b >>> 32 - a
+                    },
+                    rotr: function (b, a) {
+                        return b << 32 - a | b >>> a
+                    },
+                    endian: function (b) {
+                        if (b.constructor == Number) return k.rotl(b, 8) & 16711935 | k.rotl(b, 24) & 4278255360;
+                        for (var a = 0; a < b.length; a++) b[a] = k.endian(b[a]);
+                        return b
+                    },
+                    randomBytes: function (b) {
+                        for (var a = []; b > 0; b--) a.push(Math.floor(Math.random() * 256));
+                        return a
+                    },
+                    bytesToWords: function (b) {
+                        for (var a = [], c = 0, e = 0; c < b.length; c++, e += 8) a[e >>> 5] |= (b[c] & 255) <<
+                            24 - e % 32;
+                        return a
+                    },
+                    wordsToBytes: function (b) {
+                        for (var a = [], c = 0; c < b.length * 32; c += 8) a.push(b[c >>> 5] >>> 24 - c % 32 & 255);
+                        return a
+                    },
+                    bytesToHex: function (b) {
+                        for (var a = [], c = 0; c < b.length; c++) a.push((b[c] >>> 4).toString(16)), a.push((b[c] &
+                            15).toString(16));
+                        return a.join("")
+                    },
+                    hexToBytes: function (b) {
+                        for (var a = [], c = 0; c < b.length; c += 2) a.push(parseInt(b.substr(c, 2), 16));
+                        return a
+                    },
+                    bytesToBase64: function (b) {
+                        for (var a = [], c = 0; c < b.length; c += 3)
+                            for (var e = b[c] << 16 | b[c + 1] << 8 | b[c + 2], p = 0; p < 4; p++) c * 8 + p * 6 <=
+                                b.length * 8 ? a.push(
+                                    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e >>>
+                                        6 * (3 - p) & 63)) : a.push("=");
+                        return a.join("")
+                    },
+                    base64ToBytes: function (b) {
+                        for (var b = b.replace(/[^A-Z0-9+\/]/ig, ""), a = [], c = 0, e = 0; c < b.length; e = ++c %
+                            4) e != 0 && a.push(("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+                                .indexOf(b.charAt(c - 1)) & Math.pow(2, -2 * e + 8) - 1) << e * 2 |
+                            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(b.charAt(
+                                c)) >>> 6 - e * 2);
+                        return a
+                    }
+                },
+                d = d.charenc = {};
+            d.UTF8 = {
+                stringToBytes: function (b) {
+                    return g.stringToBytes(unescape(encodeURIComponent(b)))
+                },
+                bytesToString: function (b) {
+                    return decodeURIComponent(escape(g.bytesToString(b)))
+                }
+            };
+            var g = d.Binary = {
+                stringToBytes: function (b) {
+                    for (var a = [], c = 0; c < b.length; c++) a.push(b.charCodeAt(c) & 255);
+                    return a
+                },
+                bytesToString: function (b) {
+                    for (var a = [], c = 0; c < b.length; c++) a.push(String.fromCharCode(b[c]));
+                    return a.join("")
+                }
+            }
+        }();
+        (function () {
+            var d = Crypto,
+                k = d.util,
+                g = d.charenc,
+                b = g.UTF8,
+                a = g.Binary,
+                c = [1116352408, 1899447441, 3049323471, 3921009573, 961987163, 1508970993, 2453635748, 2870763221,
+                    3624381080, 310598401, 607225278, 1426881987, 1925078388, 2162078206, 2614888103, 3248222580,
+                    3835390401, 4022224774, 264347078, 604807628, 770255983, 1249150122, 1555081692, 1996064986,
+                    2554220882, 2821834349, 2952996808, 3210313671, 3336571891, 3584528711, 113926993, 338241895,
+                    666307205, 773529912, 1294757372, 1396182291, 1695183700, 1986661051, 2177026350, 2456956037,
+                    2730485921,
+                    2820302411, 3259730800, 3345764771, 3516065817, 3600352804, 4094571909, 275423344, 430227734,
+                    506948616, 659060556, 883997877, 958139571, 1322822218, 1537002063, 1747873779, 1955562222,
+                    2024104815, 2227730452, 2361852424, 2428436474, 2756734187, 3204031479, 3329325298
+                ],
+                e = d.SHA256 = function (b, c) {
+                    var f = k.wordsToBytes(e._sha256(b));
+                    return c && c.asBytes ? f : c && c.asString ? a.bytesToString(f) : k.bytesToHex(f)
+                };
+            e._sha256 = function (a) {
+                a.constructor == String && (a = b.stringToBytes(a));
+                var e = k.bytesToWords(a),
+                    f = a.length * 8,
+                    a = [1779033703, 3144134277,
+                        1013904242, 2773480762, 1359893119, 2600822924, 528734635, 1541459225
+                    ],
+                    d = [],
+                    g, m, r, i, n, o, s, t, h, l, j;
+                e[f >> 5] |= 128 << 24 - f % 32;
+                e[(f + 64 >> 9 << 4) + 15] = f;
+                for (t = 0; t < e.length; t += 16) {
+                    f = a[0];
+                    g = a[1];
+                    m = a[2];
+                    r = a[3];
+                    i = a[4];
+                    n = a[5];
+                    o = a[6];
+                    s = a[7];
+                    for (h = 0; h < 64; h++) {
+                        h < 16 ? d[h] = e[h + t] : (l = d[h - 15], j = d[h - 2], d[h] = ((l << 25 | l >>> 7) ^
+                            (l << 14 | l >>> 18) ^ l >>> 3) + (d[h - 7] >>> 0) + ((j << 15 | j >>> 17) ^
+                            (j << 13 | j >>> 19) ^ j >>> 10) + (d[h - 16] >>> 0));
+                        j = f & g ^ f & m ^ g & m;
+                        var u = (f << 30 | f >>> 2) ^ (f << 19 | f >>> 13) ^ (f << 10 | f >>> 22);
+                        l = (s >>> 0) + ((i << 26 | i >>> 6) ^ (i << 21 | i >>> 11) ^ (i << 7 | i >>> 25)) +
+                            (i & n ^ ~i & o) + c[h] + (d[h] >>> 0);
+                        j = u + j;
+                        s = o;
+                        o = n;
+                        n = i;
+                        i = r + l >>> 0;
+                        r = m;
+                        m = g;
+                        g = f;
+                        f = l + j >>> 0
+                    }
+                    a[0] += f;
+                    a[1] += g;
+                    a[2] += m;
+                    a[3] += r;
+                    a[4] += i;
+                    a[5] += n;
+                    a[6] += o;
+                    a[7] += s
+                }
+                return a
+            };
+            e._blocksize = 16;
+            e._digestsize = 32
+        })();
+        (function () {
+            var d = Crypto,
+                k = d.util,
+                g = d.charenc,
+                b = g.UTF8,
+                a = g.Binary;
+            d.HMAC = function (c, e, d, g) {
+                e.constructor == String && (e = b.stringToBytes(e));
+                d.constructor == String && (d = b.stringToBytes(d));
+                d.length > c._blocksize * 4 && (d = c(d, {
+                    asBytes: !0
+                }));
+                for (var f = d.slice(0), d = d.slice(0), q = 0; q < c._blocksize * 4; q++) f[q] ^= 92, d[q] ^=
+                    54;
+                c = c(f.concat(c(d.concat(e), {
+                    asBytes: !0
+                })), {
+                    asBytes: !0
+                });
+                return g && g.asBytes ? c : g && g.asString ? a.bytesToString(c) : k.bytesToHex(c)
+            }
+        })();
+
+
+/*!
+* Random number generator with ArcFour PRNG
+*
+* NOTE: For best results, put code like
+* <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
+* in your main HTML document.
+*
+* Copyright Tom Wu, bitaddress.org  BSD License.
+* http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+*/
+(function () {
+
+    // Constructor function of Global SecureRandom object
+    var sr = window.SecureRandom = function () { };
+
+    // Properties
+    sr.state;
+    sr.pool;
+    sr.pptr;
+    sr.poolCopyOnInit;
+
+    // Pool size must be a multiple of 4 and greater than 32.
+    // An array of bytes the size of the pool will be passed to init()
+    sr.poolSize = 256;
+
+    // --- object methods ---
+
+    // public method
+    // ba: byte array
+    sr.prototype.nextBytes = function (ba) {
+        var i;
+        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
+            try {
+                var rvBytes = new Uint8Array(ba.length);
+                window.crypto.getRandomValues(rvBytes);
+                for (i = 0; i < ba.length; ++i)
+                    ba[i] = sr.getByte() ^ rvBytes[i];
+                return;
+            } catch (e) {
+                alert(e);
+            }
+        }
+        for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
+    };
+
+
+    // --- static methods ---
+
+    // Mix in the current time (w/milliseconds) into the pool
+    // NOTE: this method should be called from body click/keypress event handlers to increase entropy
+    sr.seedTime = function () {
+        sr.seedInt(new Date().getTime());
+    }
+
+    sr.getByte = function () {
+        if (sr.state == null) {
+            sr.seedTime();
+            sr.state = sr.ArcFour(); // Plug in your RNG constructor here
+            sr.state.init(sr.pool);
+            sr.poolCopyOnInit = [];
+            for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
+                sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
+            sr.pptr = 0;
+        }
+        // TODO: allow reseeding after first request
+        return sr.state.next();
+    }
+
+    // Mix in a 32-bit integer into the pool
+    sr.seedInt = function (x) {
+        sr.seedInt8(x);
+        sr.seedInt8((x >> 8));
+        sr.seedInt8((x >> 16));
+        sr.seedInt8((x >> 24));
+    }
+
+    // Mix in a 16-bit integer into the pool
+    sr.seedInt16 = function (x) {
+        sr.seedInt8(x);
+        sr.seedInt8((x >> 8));
+    }
+
+    // Mix in a 8-bit integer into the pool
+    sr.seedInt8 = function (x) {
+        sr.pool[sr.pptr++] ^= x & 255;
+        if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
+    }
+
+    // Arcfour is a PRNG
+    sr.ArcFour = function () {
+        function Arcfour() {
+            this.i = 0;
+            this.j = 0;
+            this.S = new Array();
+        }
+
+        // Initialize arcfour context from key, an array of ints, each from [0..255]
+        function ARC4init(key) {
+            var i, j, t;
+            for (i = 0; i < 256; ++i)
+                this.S[i] = i;
+            j = 0;
+            for (i = 0; i < 256; ++i) {
+                j = (j + this.S[i] + key[i % key.length]) & 255;
+                t = this.S[i];
+                this.S[i] = this.S[j];
+                this.S[j] = t;
+            }
+            this.i = 0;
+            this.j = 0;
+        }
+
+        function ARC4next() {
+            var t;
+            this.i = (this.i + 1) & 255;
+            this.j = (this.j + this.S[this.i]) & 255;
+            t = this.S[this.i];
+            this.S[this.i] = this.S[this.j];
+            this.S[this.j] = t;
+            return this.S[(t + this.S[this.i]) & 255];
+        }
+
+        Arcfour.prototype.init = ARC4init;
+        Arcfour.prototype.next = ARC4next;
+
+        return new Arcfour();
+    };
+
+
+    // Initialize the pool with junk if needed.
+    if (sr.pool == null) {
+        sr.pool = new Array();
+        sr.pptr = 0;
+        var t;
+        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
+            try {
+                // Use webcrypto if available
+                var ua = new Uint8Array(sr.poolSize);
+                window.crypto.getRandomValues(ua);
+                for (t = 0; t < sr.poolSize; ++t)
+                    sr.pool[sr.pptr++] = ua[t];
+            } catch (e) { alert(e); }
+        }
+        while (sr.pptr < sr.poolSize) {  // extract some randomness from Math.random()
+            t = Math.floor(65536 * Math.random());
+            sr.pool[sr.pptr++] = t >>> 8;
+            sr.pool[sr.pptr++] = t & 255;
+        }
+        sr.pptr = Math.floor(sr.poolSize * Math.random());
+        sr.seedTime();
+        // entropy
+        var entropyStr = "";
+        // screen size and color depth: ~4.8 to ~5.4 bits
+        entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
+        entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
+        // time zone offset: ~4 bits
+        var dateObj = new Date();
+        var timeZoneOffset = dateObj.getTimezoneOffset();
+        entropyStr += timeZoneOffset;
+        // user agent: ~8.3 to ~11.6 bits
+        entropyStr += navigator.userAgent;
+        // browser plugin details: ~16.2 to ~21.8 bits
+        var pluginsStr = "";
+        for (var i = 0; i < navigator.plugins.length; i++) {
+            pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
+        }
+        var mimeTypesStr = "";
+        for (var i = 0; i < navigator.mimeTypes.length; i++) {
+            mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
+        }
+        entropyStr += pluginsStr + mimeTypesStr;
+        // cookies and storage: 1 bit
+        entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
+        // language: ~7 bit
+        entropyStr += navigator.language;
+        // history: ~2 bit
+        entropyStr += window.history.length;
+        // location
+        entropyStr += window.location;
+
+        var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
+        for (var i = 0 ; i < entropyBytes.length ; i++) {
+            sr.seedInt8(entropyBytes[i]);
+        }
+    }
+})();
+
+
+        //ripemd160.js
+        /*
+        CryptoJS v3.1.2
+        code.google.com/p/crypto-js
+        (c) 2009-2013 by Jeff Mott. All rights reserved.
+        code.google.com/p/crypto-js/wiki/License
+        */
+        /** @preserve
+        (c) 2012 by Cédric Mesnil. All rights reserved.
+        Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+            - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+            - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+        THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+        */
+
+        // Constants table
+        var zl = [
+            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+            7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+            3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+            1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+            4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+        ];
+        var zr = [
+            5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+            6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+            15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+            8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+            12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+        ];
+        var sl = [
+            11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+            7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+            11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+            11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+            9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+        ];
+        var sr = [
+            8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+            9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+            9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+            15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+            8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+        ];
+
+        var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E];
+        var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000];
+
+        var bytesToWords = function (bytes) {
+            var words = [];
+            for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
+                words[b >>> 5] |= bytes[i] << (24 - b % 32);
+            }
+            return words;
+        };
+
+        var wordsToBytes = function (words) {
+            var bytes = [];
+            for (var b = 0; b < words.length * 32; b += 8) {
+                bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
+            }
+            return bytes;
+        };
+
+        var processBlock = function (H, M, offset) {
+
+            // Swap endian
+            for (var i = 0; i < 16; i++) {
+                var offset_i = offset + i;
+                var M_offset_i = M[offset_i];
+
+                // Swap
+                M[offset_i] = (
+                    (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
+                    (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
+                );
+            }
+
+            // Working variables
+            var al, bl, cl, dl, el;
+            var ar, br, cr, dr, er;
+
+            ar = al = H[0];
+            br = bl = H[1];
+            cr = cl = H[2];
+            dr = dl = H[3];
+            er = el = H[4];
+            // Computation
+            var t;
+            for (var i = 0; i < 80; i += 1) {
+                t = (al + M[offset + zl[i]]) | 0;
+                if (i < 16) {
+                    t += f1(bl, cl, dl) + hl[0];
+                } else if (i < 32) {
+                    t += f2(bl, cl, dl) + hl[1];
+                } else if (i < 48) {
+                    t += f3(bl, cl, dl) + hl[2];
+                } else if (i < 64) {
+                    t += f4(bl, cl, dl) + hl[3];
+                } else { // if (i<80) {
+                    t += f5(bl, cl, dl) + hl[4];
+                }
+                t = t | 0;
+                t = rotl(t, sl[i]);
+                t = (t + el) | 0;
+                al = el;
+                el = dl;
+                dl = rotl(cl, 10);
+                cl = bl;
+                bl = t;
+
+                t = (ar + M[offset + zr[i]]) | 0;
+                if (i < 16) {
+                    t += f5(br, cr, dr) + hr[0];
+                } else if (i < 32) {
+                    t += f4(br, cr, dr) + hr[1];
+                } else if (i < 48) {
+                    t += f3(br, cr, dr) + hr[2];
+                } else if (i < 64) {
+                    t += f2(br, cr, dr) + hr[3];
+                } else { // if (i<80) {
+                    t += f1(br, cr, dr) + hr[4];
+                }
+                t = t | 0;
+                t = rotl(t, sr[i]);
+                t = (t + er) | 0;
+                ar = er;
+                er = dr;
+                dr = rotl(cr, 10);
+                cr = br;
+                br = t;
+            }
+            // Intermediate hash value
+            t = (H[1] + cl + dr) | 0;
+            H[1] = (H[2] + dl + er) | 0;
+            H[2] = (H[3] + el + ar) | 0;
+            H[3] = (H[4] + al + br) | 0;
+            H[4] = (H[0] + bl + cr) | 0;
+            H[0] = t;
+        };
+
+        function f1(x, y, z) {
+            return ((x) ^ (y) ^ (z));
+        }
+
+        function f2(x, y, z) {
+            return (((x) & (y)) | ((~x) & (z)));
+        }
+
+        function f3(x, y, z) {
+            return (((x) | (~(y))) ^ (z));
+        }
+
+        function f4(x, y, z) {
+            return (((x) & (z)) | ((y) & (~(z))));
+        }
+
+        function f5(x, y, z) {
+            return ((x) ^ ((y) | (~(z))));
+        }
+
+        function rotl(x, n) {
+            return (x << n) | (x >>> (32 - n));
+        }
+
+        function ripemd160(message) {
+            var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0];
+
+            var m = bytesToWords(message);
+
+            var nBitsLeft = message.length * 8;
+            var nBitsTotal = message.length * 8;
+
+            // Add padding
+            m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
+            m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
+                (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
+                (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
+            );
+
+            for (var i = 0; i < m.length; i += 16) {
+                processBlock(H, m, i);
+            }
+
+            // Swap endian
+            for (var i = 0; i < 5; i++) {
+                // Shortcut
+                var H_i = H[i];
+
+                // Swap
+                H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
+                    (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00);
+            }
+
+            var digestbytes = wordsToBytes(H);
+            return digestbytes;
+        }
+
+
+
+
+
+
+        // Upstream 'BigInteger' here:
+        // Original Author: http://www-cs-students.stanford.edu/~tjw/jsbn/
+        // Follows 'jsbn' on Github: https://github.com/jasondavies/jsbn
+        // Review and Testing: https://github.com/cryptocoinjs/bigi/
+        /*!
+        * Basic JavaScript BN library - subset useful for RSA encryption. v1.4
+        *
+        * Copyright (c) 2005  Tom Wu
+        * All Rights Reserved.
+        * BSD License
+        * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+        *
+        * Copyright Stephan Thomas
+        * Copyright pointbiz
+        */
+
+        (function () {
+
+            // (public) Constructor function of Global BigInteger object
+            var BigInteger = window.BigInteger = function BigInteger(a, b, c) {
+                if (!(this instanceof BigInteger))
+                    return new BigInteger(a, b, c);
+
+                if (a != null)
+                    if ("number" == typeof a) this.fromNumber(a, b, c);
+                    else if (b == null && "string" != typeof a) this.fromString(a, 256);
+                else this.fromString(a, b);
+            };
+
+            // Bits per digit
+            var dbits;
+
+            // JavaScript engine analysis
+            var canary = 0xdeadbeefcafe;
+            var j_lm = ((canary & 0xffffff) == 0xefcafe);
+
+            // return new, unset BigInteger
+            function nbi() {
+                return new BigInteger(null);
+            }
+
+            // am: Compute w_j += (x*this_i), propagate carries,
+            // c is initial carry, returns final carry.
+            // c < 3*dvalue, x < 2*dvalue, this_i < dvalue
+            // We need to select the fastest one that works in this environment.
+
+            // am1: use a single mult and divide to get the high bits,
+            // max digit bits should be 26 because
+            // max internal value = 2*dvalue^2-2*dvalue (< 2^53)
+            function am1(i, x, w, j, c, n) {
+                while (--n >= 0) {
+                    var v = x * this[i++] + w[j] + c;
+                    c = Math.floor(v / 0x4000000);
+                    w[j++] = v & 0x3ffffff;
+                }
+                return c;
+            }
+            // am2 avoids a big mult-and-extract completely.
+            // Max digit bits should be <= 30 because we do bitwise ops
+            // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
+            function am2(i, x, w, j, c, n) {
+                var xl = x & 0x7fff,
+                    xh = x >> 15;
+                while (--n >= 0) {
+                    var l = this[i] & 0x7fff;
+                    var h = this[i++] >> 15;
+                    var m = xh * l + h * xl;
+                    l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff);
+                    c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30);
+                    w[j++] = l & 0x3fffffff;
+                }
+                return c;
+            }
+            // Alternately, set max digit bits to 28 since some
+            // browsers slow down when dealing with 32-bit numbers.
+            function am3(i, x, w, j, c, n) {
+                var xl = x & 0x3fff,
+                    xh = x >> 14;
+                while (--n >= 0) {
+                    var l = this[i] & 0x3fff;
+                    var h = this[i++] >> 14;
+                    var m = xh * l + h * xl;
+                    l = xl * l + ((m & 0x3fff) << 14) + w[j] + c;
+                    c = (l >> 28) + (m >> 14) + xh * h;
+                    w[j++] = l & 0xfffffff;
+                }
+                return c;
+            }
+            if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
+                BigInteger.prototype.am = am2;
+                dbits = 30;
+            } else if (j_lm && (navigator.appName != "Netscape")) {
+                BigInteger.prototype.am = am1;
+                dbits = 26;
+            } else { // Mozilla/Netscape seems to prefer am3
+                BigInteger.prototype.am = am3;
+                dbits = 28;
+            }
+
+            BigInteger.prototype.DB = dbits;
+            BigInteger.prototype.DM = ((1 << dbits) - 1);
+            BigInteger.prototype.DV = (1 << dbits);
+
+            var BI_FP = 52;
+            BigInteger.prototype.FV = Math.pow(2, BI_FP);
+            BigInteger.prototype.F1 = BI_FP - dbits;
+            BigInteger.prototype.F2 = 2 * dbits - BI_FP;
+
+            // Digit conversions
+            var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
+            var BI_RC = new Array();
+            var rr, vv;
+            rr = "0".charCodeAt(0);
+            for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
+            rr = "a".charCodeAt(0);
+            for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+            rr = "A".charCodeAt(0);
+            for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+
+            function int2char(n) {
+                return BI_RM.charAt(n);
+            }
+
+            function intAt(s, i) {
+                var c = BI_RC[s.charCodeAt(i)];
+                return (c == null) ? -1 : c;
+            }
+
+
+
+            // return bigint initialized to value
+            function nbv(i) {
+                var r = nbi();
+                r.fromInt(i);
+                return r;
+            }
+
+
+            // returns bit length of the integer x
+            function nbits(x) {
+                var r = 1,
+                    t;
+                if ((t = x >>> 16) != 0) {
+                    x = t;
+                    r += 16;
+                }
+                if ((t = x >> 8) != 0) {
+                    x = t;
+                    r += 8;
+                }
+                if ((t = x >> 4) != 0) {
+                    x = t;
+                    r += 4;
+                }
+                if ((t = x >> 2) != 0) {
+                    x = t;
+                    r += 2;
+                }
+                if ((t = x >> 1) != 0) {
+                    x = t;
+                    r += 1;
+                }
+                return r;
+            }
+
+
+
+
+
+
+
+            // (protected) copy this to r
+            BigInteger.prototype.copyTo = function (r) {
+                for (var i = this.t - 1; i >= 0; --i) r[i] = this[i];
+                r.t = this.t;
+                r.s = this.s;
+            };
+
+
+            // (protected) set from integer value x, -DV <= x < DV
+            BigInteger.prototype.fromInt = function (x) {
+                this.t = 1;
+                this.s = (x < 0) ? -1 : 0;
+                if (x > 0) this[0] = x;
+                else if (x < -1) this[0] = x + this.DV;
+                else this.t = 0;
+            };
+
+            // (protected) set from string and radix
+            BigInteger.prototype.fromString = function (s, b) {
+                var k;
+                if (b == 16) k = 4;
+                else if (b == 8) k = 3;
+                else if (b == 256) k = 8; // byte array
+                else if (b == 2) k = 1;
+                else if (b == 32) k = 5;
+                else if (b == 4) k = 2;
+                else {
+                    this.fromRadix(s, b);
+                    return;
+                }
+                this.t = 0;
+                this.s = 0;
+                var i = s.length,
+                    mi = false,
+                    sh = 0;
+                while (--i >= 0) {
+                    var x = (k == 8) ? s[i] & 0xff : intAt(s, i);
+                    if (x < 0) {
+                        if (s.charAt(i) == "-") mi = true;
+                        continue;
+                    }
+                    mi = false;
+                    if (sh == 0)
+                        this[this.t++] = x;
+                    else if (sh + k > this.DB) {
+                        this[this.t - 1] |= (x & ((1 << (this.DB - sh)) - 1)) << sh;
+                        this[this.t++] = (x >> (this.DB - sh));
+                    } else
+                        this[this.t - 1] |= x << sh;
+                    sh += k;
+                    if (sh >= this.DB) sh -= this.DB;
+                }
+                if (k == 8 && (s[0] & 0x80) != 0) {
+                    this.s = -1;
+                    if (sh > 0) this[this.t - 1] |= ((1 << (this.DB - sh)) - 1) << sh;
+                }
+                this.clamp();
+                if (mi) BigInteger.ZERO.subTo(this, this);
+            };
+
+
+            // (protected) clamp off excess high words
+            BigInteger.prototype.clamp = function () {
+                var c = this.s & this.DM;
+                while (this.t > 0 && this[this.t - 1] == c) --this.t;
+            };
+
+            // (protected) r = this << n*DB
+            BigInteger.prototype.dlShiftTo = function (n, r) {
+                var i;
+                for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i];
+                for (i = n - 1; i >= 0; --i) r[i] = 0;
+                r.t = this.t + n;
+                r.s = this.s;
+            };
+
+            // (protected) r = this >> n*DB
+            BigInteger.prototype.drShiftTo = function (n, r) {
+                for (var i = n; i < this.t; ++i) r[i - n] = this[i];
+                r.t = Math.max(this.t - n, 0);
+                r.s = this.s;
+            };
+
+
+            // (protected) r = this << n
+            BigInteger.prototype.lShiftTo = function (n, r) {
+                var bs = n % this.DB;
+                var cbs = this.DB - bs;
+                var bm = (1 << cbs) - 1;
+                var ds = Math.floor(n / this.DB),
+                    c = (this.s << bs) & this.DM,
+                    i;
+                for (i = this.t - 1; i >= 0; --i) {
+                    r[i + ds + 1] = (this[i] >> cbs) | c;
+                    c = (this[i] & bm) << bs;
+                }
+                for (i = ds - 1; i >= 0; --i) r[i] = 0;
+                r[ds] = c;
+                r.t = this.t + ds + 1;
+                r.s = this.s;
+                r.clamp();
+            };
+
+
+            // (protected) r = this >> n
+            BigInteger.prototype.rShiftTo = function (n, r) {
+                r.s = this.s;
+                var ds = Math.floor(n / this.DB);
+                if (ds >= this.t) {
+                    r.t = 0;
+                    return;
+                }
+                var bs = n % this.DB;
+                var cbs = this.DB - bs;
+                var bm = (1 << bs) - 1;
+                r[0] = this[ds] >> bs;
+                for (var i = ds + 1; i < this.t; ++i) {
+                    r[i - ds - 1] |= (this[i] & bm) << cbs;
+                    r[i - ds] = this[i] >> bs;
+                }
+                if (bs > 0) r[this.t - ds - 1] |= (this.s & bm) << cbs;
+                r.t = this.t - ds;
+                r.clamp();
+            };
+
+
+            // (protected) r = this - a
+            BigInteger.prototype.subTo = function (a, r) {
+                var i = 0,
+                    c = 0,
+                    m = Math.min(a.t, this.t);
+                while (i < m) {
+                    c += this[i] - a[i];
+                    r[i++] = c & this.DM;
+                    c >>= this.DB;
+                }
+                if (a.t < this.t) {
+                    c -= a.s;
+                    while (i < this.t) {
+                        c += this[i];
+                        r[i++] = c & this.DM;
+                        c >>= this.DB;
+                    }
+                    c += this.s;
+                } else {
+                    c += this.s;
+                    while (i < a.t) {
+                        c -= a[i];
+                        r[i++] = c & this.DM;
+                        c >>= this.DB;
+                    }
+                    c -= a.s;
+                }
+                r.s = (c < 0) ? -1 : 0;
+                if (c < -1) r[i++] = this.DV + c;
+                else if (c > 0) r[i++] = c;
+                r.t = i;
+                r.clamp();
+            };
+
+
+            // (protected) r = this * a, r != this,a (HAC 14.12)
+            // "this" should be the larger one if appropriate.
+            BigInteger.prototype.multiplyTo = function (a, r) {
+                var x = this.abs(),
+                    y = a.abs();
+                var i = x.t;
+                r.t = i + y.t;
+                while (--i >= 0) r[i] = 0;
+                for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t);
+                r.s = 0;
+                r.clamp();
+                if (this.s != a.s) BigInteger.ZERO.subTo(r, r);
+            };
+
+
+            // (protected) r = this^2, r != this (HAC 14.16)
+            BigInteger.prototype.squareTo = function (r) {
+                var x = this.abs();
+                var i = r.t = 2 * x.t;
+                while (--i >= 0) r[i] = 0;
+                for (i = 0; i < x.t - 1; ++i) {
+                    var c = x.am(i, x[i], r, 2 * i, 0, 1);
+                    if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
+                        r[i + x.t] -= x.DV;
+                        r[i + x.t + 1] = 1;
+                    }
+                }
+                if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1);
+                r.s = 0;
+                r.clamp();
+            };
+
+
+
+            // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
+            // r != q, this != m.  q or r may be null.
+            BigInteger.prototype.divRemTo = function (m, q, r) {
+                var pm = m.abs();
+                if (pm.t <= 0) return;
+                var pt = this.abs();
+                if (pt.t < pm.t) {
+                    if (q != null) q.fromInt(0);
+                    if (r != null) this.copyTo(r);
+                    return;
+                }
+                if (r == null) r = nbi();
+                var y = nbi(),
+                    ts = this.s,
+                    ms = m.s;
+                var nsh = this.DB - nbits(pm[pm.t - 1]); // normalize modulus
+                if (nsh > 0) {
+                    pm.lShiftTo(nsh, y);
+                    pt.lShiftTo(nsh, r);
+                } else {
+                    pm.copyTo(y);
+                    pt.copyTo(r);
+                }
+                var ys = y.t;
+                var y0 = y[ys - 1];
+                if (y0 == 0) return;
+                var yt = y0 * (1 << this.F1) + ((ys > 1) ? y[ys - 2] >> this.F2 : 0);
+                var d1 = this.FV / yt,
+                    d2 = (1 << this.F1) / yt,
+                    e = 1 << this.F2;
+                var i = r.t,
+                    j = i - ys,
+                    t = (q == null) ? nbi() : q;
+                y.dlShiftTo(j, t);
+                if (r.compareTo(t) >= 0) {
+                    r[r.t++] = 1;
+                    r.subTo(t, r);
+                }
+                BigInteger.ONE.dlShiftTo(ys, t);
+                t.subTo(y, y); // "negative" y so we can replace sub with am later
+                while (y.t < ys) y[y.t++] = 0;
+                while (--j >= 0) {
+                    // Estimate quotient digit
+                    var qd = (r[--i] == y0) ? this.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2);
+                    if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
+                        y.dlShiftTo(j, t);
+                        r.subTo(t, r);
+                        while (r[i] < --qd) r.subTo(t, r);
+                    }
+                }
+                if (q != null) {
+                    r.drShiftTo(ys, q);
+                    if (ts != ms) BigInteger.ZERO.subTo(q, q);
+                }
+                r.t = ys;
+                r.clamp();
+                if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
+                if (ts < 0) BigInteger.ZERO.subTo(r, r);
+            };
+
+
+            // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
+            // justification:
+            //         xy == 1 (mod m)
+            //         xy =  1+km
+            //   xy(2-xy) = (1+km)(1-km)
+            // x[y(2-xy)] = 1-k^2m^2
+            // x[y(2-xy)] == 1 (mod m^2)
+            // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
+            // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
+            // JS multiply "overflows" differently from C/C++, so care is needed here.
+            BigInteger.prototype.invDigit = function () {
+                if (this.t < 1) return 0;
+                var x = this[0];
+                if ((x & 1) == 0) return 0;
+                var y = x & 3; // y == 1/x mod 2^2
+                y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
+                y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
+                y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
+                // last step - calculate inverse mod DV directly;
+                // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
+                y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
+                // we really want the negative inverse, and -DV < y < DV
+                return (y > 0) ? this.DV - y : -y;
+            };
+
+
+            // (protected) true iff this is even
+            BigInteger.prototype.isEven = function () {
+                return ((this.t > 0) ? (this[0] & 1) : this.s) == 0;
+            };
+
+
+            // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
+            BigInteger.prototype.exp = function (e, z) {
+                if (e > 0xffffffff || e < 1) return BigInteger.ONE;
+                var r = nbi(),
+                    r2 = nbi(),
+                    g = z.convert(this),
+                    i = nbits(e) - 1;
+                g.copyTo(r);
+                while (--i >= 0) {
+                    z.sqrTo(r, r2);
+                    if ((e & (1 << i)) > 0) z.mulTo(r2, g, r);
+                    else {
+                        var t = r;
+                        r = r2;
+                        r2 = t;
+                    }
+                }
+                return z.revert(r);
+            };
+
+
+            // (public) return string representation in given radix
+            BigInteger.prototype.toString = function (b) {
+                if (this.s < 0) return "-" + this.negate().toString(b);
+                var k;
+                if (b == 16) k = 4;
+                else if (b == 8) k = 3;
+                else if (b == 2) k = 1;
+                else if (b == 32) k = 5;
+                else if (b == 4) k = 2;
+                else return this.toRadix(b);
+                var km = (1 << k) - 1,
+                    d, m = false,
+                    r = "",
+                    i = this.t;
+                var p = this.DB - (i * this.DB) % k;
+                if (i-- > 0) {
+                    if (p < this.DB && (d = this[i] >> p) > 0) {
+                        m = true;
+                        r = int2char(d);
+                    }
+                    while (i >= 0) {
+                        if (p < k) {
+                            d = (this[i] & ((1 << p) - 1)) << (k - p);
+                            d |= this[--i] >> (p += this.DB - k);
+                        } else {
+                            d = (this[i] >> (p -= k)) & km;
+                            if (p <= 0) {
+                                p += this.DB;
+                                --i;
+                            }
+                        }
+                        if (d > 0) m = true;
+                        if (m) r += int2char(d);
+                    }
+                }
+                return m ? r : "0";
+            };
+
+
+            // (public) -this
+            BigInteger.prototype.negate = function () {
+                var r = nbi();
+                BigInteger.ZERO.subTo(this, r);
+                return r;
+            };
+
+            // (public) |this|
+            BigInteger.prototype.abs = function () {
+                return (this.s < 0) ? this.negate() : this;
+            };
+
+            // (public) return + if this > a, - if this < a, 0 if equal
+            BigInteger.prototype.compareTo = function (a) {
+                var r = this.s - a.s;
+                if (r != 0) return r;
+                var i = this.t;
+                r = i - a.t;
+                if (r != 0) return (this.s < 0) ? -r : r;
+                while (--i >= 0)
+                    if ((r = this[i] - a[i]) != 0) return r;
+                return 0;
+            }
+
+            // (public) return the number of bits in "this"
+            BigInteger.prototype.bitLength = function () {
+                if (this.t <= 0) return 0;
+                return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));
+            };
+
+            // (public) this mod a
+            BigInteger.prototype.mod = function (a) {
+                var r = nbi();
+                this.abs().divRemTo(a, null, r);
+                if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r);
+                return r;
+            }
+
+            // (public) this^e % m, 0 <= e < 2^32
+            BigInteger.prototype.modPowInt = function (e, m) {
+                var z;
+                if (e < 256 || m.isEven()) z = new Classic(m);
+                else z = new Montgomery(m);
+                return this.exp(e, z);
+            };
+
+            // "constants"
+            BigInteger.ZERO = nbv(0);
+            BigInteger.ONE = nbv(1);
+
+
+
+
+
+
+
+            // Copyright (c) 2005-2009  Tom Wu
+            // All Rights Reserved.
+            // See "LICENSE" for details.
+            // Extended JavaScript BN functions, required for RSA private ops.
+            // Version 1.1: new BigInteger("0", 10) returns "proper" zero
+            // Version 1.2: square() API, isProbablePrime fix
+
+
+            // return index of lowest 1-bit in x, x < 2^31
+            function lbit(x) {
+                if (x == 0) return -1;
+                var r = 0;
+                if ((x & 0xffff) == 0) {
+                    x >>= 16;
+                    r += 16;
+                }
+                if ((x & 0xff) == 0) {
+                    x >>= 8;
+                    r += 8;
+                }
+                if ((x & 0xf) == 0) {
+                    x >>= 4;
+                    r += 4;
+                }
+                if ((x & 3) == 0) {
+                    x >>= 2;
+                    r += 2;
+                }
+                if ((x & 1) == 0) ++r;
+                return r;
+            }
+
+            // return number of 1 bits in x
+            function cbit(x) {
+                var r = 0;
+                while (x != 0) {
+                    x &= x - 1;
+                    ++r;
+                }
+                return r;
+            }
+
+            var lowprimes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,
+                89,
+                97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
+                193,
+                197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307,
+                311,
+                313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431,
+                433,
+                439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
+                569,
+                571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677,
+                683,
+                691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823,
+                827,
+                829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967,
+                971,
+                977, 983, 991, 997
+            ];
+            var lplim = (1 << 26) / lowprimes[lowprimes.length - 1];
+
+
+
+            // (protected) return x s.t. r^x < DV
+            BigInteger.prototype.chunkSize = function (r) {
+                return Math.floor(Math.LN2 * this.DB / Math.log(r));
+            };
+
+            // (protected) convert to radix string
+            BigInteger.prototype.toRadix = function (b) {
+                if (b == null) b = 10;
+                if (this.signum() == 0 || b < 2 || b > 36) return "0";
+                var cs = this.chunkSize(b);
+                var a = Math.pow(b, cs);
+                var d = nbv(a),
+                    y = nbi(),
+                    z = nbi(),
+                    r = "";
+                this.divRemTo(d, y, z);
+                while (y.signum() > 0) {
+                    r = (a + z.intValue()).toString(b).substr(1) + r;
+                    y.divRemTo(d, y, z);
+                }
+                return z.intValue().toString(b) + r;
+            };
+
+            // (protected) convert from radix string
+            BigInteger.prototype.fromRadix = function (s, b) {
+                this.fromInt(0);
+                if (b == null) b = 10;
+                var cs = this.chunkSize(b);
+                var d = Math.pow(b, cs),
+                    mi = false,
+                    j = 0,
+                    w = 0;
+                for (var i = 0; i < s.length; ++i) {
+                    var x = intAt(s, i);
+                    if (x < 0) {
+                        if (s.charAt(i) == "-" && this.signum() == 0) mi = true;
+                        continue;
+                    }
+                    w = b * w + x;
+                    if (++j >= cs) {
+                        this.dMultiply(d);
+                        this.dAddOffset(w, 0);
+                        j = 0;
+                        w = 0;
+                    }
+                }
+                if (j > 0) {
+                    this.dMultiply(Math.pow(b, j));
+                    this.dAddOffset(w, 0);
+                }
+                if (mi) BigInteger.ZERO.subTo(this, this);
+            };
+
+            // (protected) alternate constructor
+            BigInteger.prototype.fromNumber = function (a, b, c) {
+                if ("number" == typeof b) {
+                    // new BigInteger(int,int,RNG)
+                    if (a < 2) this.fromInt(1);
+                    else {
+                        this.fromNumber(a, c);
+                        if (!this.testBit(a - 1)) // force MSB set
+                            this.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, this);
+                        if (this.isEven()) this.dAddOffset(1, 0); // force odd
+                        while (!this.isProbablePrime(b)) {
+                            this.dAddOffset(2, 0);
+                            if (this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a - 1), this);
+                        }
+                    }
+                } else {
+                    // new BigInteger(int,RNG)
+                    var x = new Array(),
+                        t = a & 7;
+                    x.length = (a >> 3) + 1;
+                    b.nextBytes(x);
+                    if (t > 0) x[0] &= ((1 << t) - 1);
+                    else x[0] = 0;
+                    this.fromString(x, 256);
+                }
+            };
+
+            // (protected) r = this op a (bitwise)
+            BigInteger.prototype.bitwiseTo = function (a, op, r) {
+                var i, f, m = Math.min(a.t, this.t);
+                for (i = 0; i < m; ++i) r[i] = op(this[i], a[i]);
+                if (a.t < this.t) {
+                    f = a.s & this.DM;
+                    for (i = m; i < this.t; ++i) r[i] = op(this[i], f);
+                    r.t = this.t;
+                } else {
+                    f = this.s & this.DM;
+                    for (i = m; i < a.t; ++i) r[i] = op(f, a[i]);
+                    r.t = a.t;
+                }
+                r.s = op(this.s, a.s);
+                r.clamp();
+            };
+
+            // (protected) this op (1<<n)
+            BigInteger.prototype.changeBit = function (n, op) {
+                var r = BigInteger.ONE.shiftLeft(n);
+                this.bitwiseTo(r, op, r);
+                return r;
+            };
+
+            // (protected) r = this + a
+            BigInteger.prototype.addTo = function (a, r) {
+                var i = 0,
+                    c = 0,
+                    m = Math.min(a.t, this.t);
+                while (i < m) {
+                    c += this[i] + a[i];
+                    r[i++] = c & this.DM;
+                    c >>= this.DB;
+                }
+                if (a.t < this.t) {
+                    c += a.s;
+                    while (i < this.t) {
+                        c += this[i];
+                        r[i++] = c & this.DM;
+                        c >>= this.DB;
+                    }
+                    c += this.s;
+                } else {
+                    c += this.s;
+                    while (i < a.t) {
+                        c += a[i];
+                        r[i++] = c & this.DM;
+                        c >>= this.DB;
+                    }
+                    c += a.s;
+                }
+                r.s = (c < 0) ? -1 : 0;
+                if (c > 0) r[i++] = c;
+                else if (c < -1) r[i++] = this.DV + c;
+                r.t = i;
+                r.clamp();
+            };
+
+            // (protected) this *= n, this >= 0, 1 < n < DV
+            BigInteger.prototype.dMultiply = function (n) {
+                this[this.t] = this.am(0, n - 1, this, 0, 0, this.t);
+                ++this.t;
+                this.clamp();
+            };
+
+            // (protected) this += n << w words, this >= 0
+            BigInteger.prototype.dAddOffset = function (n, w) {
+                if (n == 0) return;
+                while (this.t <= w) this[this.t++] = 0;
+                this[w] += n;
+                while (this[w] >= this.DV) {
+                    this[w] -= this.DV;
+                    if (++w >= this.t) this[this.t++] = 0;
+                    ++this[w];
+                }
+            };
+
+            // (protected) r = lower n words of "this * a", a.t <= n
+            // "this" should be the larger one if appropriate.
+            BigInteger.prototype.multiplyLowerTo = function (a, n, r) {
+                var i = Math.min(this.t + a.t, n);
+                r.s = 0; // assumes a,this >= 0
+                r.t = i;
+                while (i > 0) r[--i] = 0;
+                var j;
+                for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t);
+                for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i);
+                r.clamp();
+            };
+
+
+            // (protected) r = "this * a" without lower n words, n > 0
+            // "this" should be the larger one if appropriate.
+            BigInteger.prototype.multiplyUpperTo = function (a, n, r) {
+                --n;
+                var i = r.t = this.t + a.t - n;
+                r.s = 0; // assumes a,this >= 0
+                while (--i >= 0) r[i] = 0;
+                for (i = Math.max(n - this.t, 0); i < a.t; ++i)
+                    r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n);
+                r.clamp();
+                r.drShiftTo(1, r);
+            };
+
+            // (protected) this % n, n < 2^26
+            BigInteger.prototype.modInt = function (n) {
+                if (n <= 0) return 0;
+                var d = this.DV % n,
+                    r = (this.s < 0) ? n - 1 : 0;
+                if (this.t > 0)
+                    if (d == 0) r = this[0] % n;
+                    else
+                        for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n;
+                return r;
+            };
+
+
+            // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
+            BigInteger.prototype.millerRabin = function (t) {
+                var n1 = this.subtract(BigInteger.ONE);
+                var k = n1.getLowestSetBit();
+                if (k <= 0) return false;
+                var r = n1.shiftRight(k);
+                t = (t + 1) >> 1;
+                if (t > lowprimes.length) t = lowprimes.length;
+                var a = nbi();
+                for (var i = 0; i < t; ++i) {
+                    //Pick bases at random, instead of starting at 2
+                    a.fromInt(lowprimes[Math.floor(Math.random() * lowprimes.length)]);
+                    var y = a.modPow(r, this);
+                    if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
+                        var j = 1;
+                        while (j++ < k && y.compareTo(n1) != 0) {
+                            y = y.modPowInt(2, this);
+                            if (y.compareTo(BigInteger.ONE) == 0) return false;
+                        }
+                        if (y.compareTo(n1) != 0) return false;
+                    }
+                }
+                return true;
+            };
+
+
+
+            // (public)
+            BigInteger.prototype.clone = function () {
+                var r = nbi();
+                this.copyTo(r);
+                return r;
+            };
+
+            // (public) return value as integer
+            BigInteger.prototype.intValue = function () {
+                if (this.s < 0) {
+                    if (this.t == 1) return this[0] - this.DV;
+                    else if (this.t == 0) return -1;
+                } else if (this.t == 1) return this[0];
+                else if (this.t == 0) return 0;
+                // assumes 16 < DB < 32
+                return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0];
+            };
+
+
+            // (public) return value as byte
+            BigInteger.prototype.byteValue = function () {
+                return (this.t == 0) ? this.s : (this[0] << 24) >> 24;
+            };
+
+            // (public) return value as short (assumes DB>=16)
+            BigInteger.prototype.shortValue = function () {
+                return (this.t == 0) ? this.s : (this[0] << 16) >> 16;
+            };
+
+            // (public) 0 if this == 0, 1 if this > 0
+            BigInteger.prototype.signum = function () {
+                if (this.s < 0) return -1;
+                else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
+                else return 1;
+            };
+
+
+            // (public) convert to bigendian byte array
+            BigInteger.prototype.toByteArray = function () {
+                var i = this.t,
+                    r = new Array();
+                r[0] = this.s;
+                var p = this.DB - (i * this.DB) % 8,
+                    d, k = 0;
+                if (i-- > 0) {
+                    if (p < this.DB && (d = this[i] >> p) != (this.s & this.DM) >> p)
+                        r[k++] = d | (this.s << (this.DB - p));
+                    while (i >= 0) {
+                        if (p < 8) {
+                            d = (this[i] & ((1 << p) - 1)) << (8 - p);
+                            d |= this[--i] >> (p += this.DB - 8);
+                        } else {
+                            d = (this[i] >> (p -= 8)) & 0xff;
+                            if (p <= 0) {
+                                p += this.DB;
+                                --i;
+                            }
+                        }
+                        if ((d & 0x80) != 0) d |= -256;
+                        if (k == 0 && (this.s & 0x80) != (d & 0x80)) ++k;
+                        if (k > 0 || d != this.s) r[k++] = d;
+                    }
+                }
+                return r;
+            };
+
+            BigInteger.prototype.equals = function (a) {
+                return (this.compareTo(a) == 0);
+            };
+            BigInteger.prototype.min = function (a) {
+                return (this.compareTo(a) < 0) ? this : a;
+            };
+            BigInteger.prototype.max = function (a) {
+                return (this.compareTo(a) > 0) ? this : a;
+            };
+
+            // (public) this & a
+            function op_and(x, y) {
+                return x & y;
+            }
+            BigInteger.prototype.and = function (a) {
+                var r = nbi();
+                this.bitwiseTo(a, op_and, r);
+                return r;
+            };
+
+            // (public) this | a
+            function op_or(x, y) {
+                return x | y;
+            }
+            BigInteger.prototype.or = function (a) {
+                var r = nbi();
+                this.bitwiseTo(a, op_or, r);
+                return r;
+            };
+
+            // (public) this ^ a
+            function op_xor(x, y) {
+                return x ^ y;
+            }
+            BigInteger.prototype.xor = function (a) {
+                var r = nbi();
+                this.bitwiseTo(a, op_xor, r);
+                return r;
+            };
+
+            // (public) this & ~a
+            function op_andnot(x, y) {
+                return x & ~y;
+            }
+            BigInteger.prototype.andNot = function (a) {
+                var r = nbi();
+                this.bitwiseTo(a, op_andnot, r);
+                return r;
+            };
+
+            // (public) ~this
+            BigInteger.prototype.not = function () {
+                var r = nbi();
+                for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i];
+                r.t = this.t;
+                r.s = ~this.s;
+                return r;
+            };
+
+            // (public) this << n
+            BigInteger.prototype.shiftLeft = function (n) {
+                var r = nbi();
+                if (n < 0) this.rShiftTo(-n, r);
+                else this.lShiftTo(n, r);
+                return r;
+            };
+
+            // (public) this >> n
+            BigInteger.prototype.shiftRight = function (n) {
+                var r = nbi();
+                if (n < 0) this.lShiftTo(-n, r);
+                else this.rShiftTo(n, r);
+                return r;
+            };
+
+            // (public) returns index of lowest 1-bit (or -1 if none)
+            BigInteger.prototype.getLowestSetBit = function () {
+                for (var i = 0; i < this.t; ++i)
+                    if (this[i] != 0) return i * this.DB + lbit(this[i]);
+                if (this.s < 0) return this.t * this.DB;
+                return -1;
+            };
+
+            // (public) return number of set bits
+            BigInteger.prototype.bitCount = function () {
+                var r = 0,
+                    x = this.s & this.DM;
+                for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x);
+                return r;
+            };
+
+            // (public) true iff nth bit is set
+            BigInteger.prototype.testBit = function (n) {
+                var j = Math.floor(n / this.DB);
+                if (j >= this.t) return (this.s != 0);
+                return ((this[j] & (1 << (n % this.DB))) != 0);
+            };
+
+            // (public) this | (1<<n)
+            BigInteger.prototype.setBit = function (n) {
+                return this.changeBit(n, op_or);
+            };
+            // (public) this & ~(1<<n)
+            BigInteger.prototype.clearBit = function (n) {
+                return this.changeBit(n, op_andnot);
+            };
+            // (public) this ^ (1<<n)
+            BigInteger.prototype.flipBit = function (n) {
+                return this.changeBit(n, op_xor);
+            };
+            // (public) this + a
+            BigInteger.prototype.add = function (a) {
+                var r = nbi();
+                this.addTo(a, r);
+                return r;
+            };
+            // (public) this - a
+            BigInteger.prototype.subtract = function (a) {
+                var r = nbi();
+                this.subTo(a, r);
+                return r;
+            };
+            // (public) this * a
+            BigInteger.prototype.multiply = function (a) {
+                var r = nbi();
+                this.multiplyTo(a, r);
+                return r;
+            };
+            // (public) this / a
+            BigInteger.prototype.divide = function (a) {
+                var r = nbi();
+                this.divRemTo(a, r, null);
+                return r;
+            };
+            // (public) this % a
+            BigInteger.prototype.remainder = function (a) {
+                var r = nbi();
+                this.divRemTo(a, null, r);
+                return r;
+            };
+            // (public) [this/a,this%a]
+            BigInteger.prototype.divideAndRemainder = function (a) {
+                var q = nbi(),
+                    r = nbi();
+                this.divRemTo(a, q, r);
+                return new Array(q, r);
+            };
+
+            // (public) this^e % m (HAC 14.85)
+            BigInteger.prototype.modPow = function (e, m) {
+                var i = e.bitLength(),
+                    k, r = nbv(1),
+                    z;
+                if (i <= 0) return r;
+                else if (i < 18) k = 1;
+                else if (i < 48) k = 3;
+                else if (i < 144) k = 4;
+                else if (i < 768) k = 5;
+                else k = 6;
+                if (i < 8)
+                    z = new Classic(m);
+                else if (m.isEven())
+                    z = new Barrett(m);
+                else
+                    z = new Montgomery(m);
+
+                // precomputation
+                var g = new Array(),
+                    n = 3,
+                    k1 = k - 1,
+                    km = (1 << k) - 1;
+                g[1] = z.convert(this);
+                if (k > 1) {
+                    var g2 = nbi();
+                    z.sqrTo(g[1], g2);
+                    while (n <= km) {
+                        g[n] = nbi();
+                        z.mulTo(g2, g[n - 2], g[n]);
+                        n += 2;
+                    }
+                }
+
+                var j = e.t - 1,
+                    w, is1 = true,
+                    r2 = nbi(),
+                    t;
+                i = nbits(e[j]) - 1;
+                while (j >= 0) {
+                    if (i >= k1) w = (e[j] >> (i - k1)) & km;
+                    else {
+                        w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i);
+                        if (j > 0) w |= e[j - 1] >> (this.DB + i - k1);
+                    }
+
+                    n = k;
+                    while ((w & 1) == 0) {
+                        w >>= 1;
+                        --n;
+                    }
+                    if ((i -= n) < 0) {
+                        i += this.DB;
+                        --j;
+                    }
+                    if (is1) { // ret == 1, don't bother squaring or multiplying it
+                        g[w].copyTo(r);
+                        is1 = false;
+                    } else {
+                        while (n > 1) {
+                            z.sqrTo(r, r2);
+                            z.sqrTo(r2, r);
+                            n -= 2;
+                        }
+                        if (n > 0) z.sqrTo(r, r2);
+                        else {
+                            t = r;
+                            r = r2;
+                            r2 = t;
+                        }
+                        z.mulTo(r2, g[w], r);
+                    }
+
+                    while (j >= 0 && (e[j] & (1 << i)) == 0) {
+                        z.sqrTo(r, r2);
+                        t = r;
+                        r = r2;
+                        r2 = t;
+                        if (--i < 0) {
+                            i = this.DB - 1;
+                            --j;
+                        }
+                    }
+                }
+                return z.revert(r);
+            };
+
+            // (public) 1/this % m (HAC 14.61)
+            BigInteger.prototype.modInverse = function (m) {
+                var ac = m.isEven();
+                if (this.signum() === 0) throw new Error('division by zero');
+                if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
+                var u = m.clone(),
+                    v = this.clone();
+                var a = nbv(1),
+                    b = nbv(0),
+                    c = nbv(0),
+                    d = nbv(1);
+                while (u.signum() != 0) {
+                    while (u.isEven()) {
+                        u.rShiftTo(1, u);
+                        if (ac) {
+                            if (!a.isEven() || !b.isEven()) {
+                                a.addTo(this, a);
+                                b.subTo(m, b);
+                            }
+                            a.rShiftTo(1, a);
+                        } else if (!b.isEven()) b.subTo(m, b);
+                        b.rShiftTo(1, b);
+                    }
+                    while (v.isEven()) {
+                        v.rShiftTo(1, v);
+                        if (ac) {
+                            if (!c.isEven() || !d.isEven()) {
+                                c.addTo(this, c);
+                                d.subTo(m, d);
+                            }
+                            c.rShiftTo(1, c);
+                        } else if (!d.isEven()) d.subTo(m, d);
+                        d.rShiftTo(1, d);
+                    }
+                    if (u.compareTo(v) >= 0) {
+                        u.subTo(v, u);
+                        if (ac) a.subTo(c, a);
+                        b.subTo(d, b);
+                    } else {
+                        v.subTo(u, v);
+                        if (ac) c.subTo(a, c);
+                        d.subTo(b, d);
+                    }
+                }
+                if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
+                while (d.compareTo(m) >= 0) d.subTo(m, d);
+                while (d.signum() < 0) d.addTo(m, d);
+                return d;
+            };
+
+
+            // (public) this^e
+            BigInteger.prototype.pow = function (e) {
+                return this.exp(e, new NullExp());
+            };
+
+            // (public) gcd(this,a) (HAC 14.54)
+            BigInteger.prototype.gcd = function (a) {
+                var x = (this.s < 0) ? this.negate() : this.clone();
+                var y = (a.s < 0) ? a.negate() : a.clone();
+                if (x.compareTo(y) < 0) {
+                    var t = x;
+                    x = y;
+                    y = t;
+                }
+                var i = x.getLowestSetBit(),
+                    g = y.getLowestSetBit();
+                if (g < 0) return x;
+                if (i < g) g = i;
+                if (g > 0) {
+                    x.rShiftTo(g, x);
+                    y.rShiftTo(g, y);
+                }
+                while (x.signum() > 0) {
+                    if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x);
+                    if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y);
+                    if (x.compareTo(y) >= 0) {
+                        x.subTo(y, x);
+                        x.rShiftTo(1, x);
+                    } else {
+                        y.subTo(x, y);
+                        y.rShiftTo(1, y);
+                    }
+                }
+                if (g > 0) y.lShiftTo(g, y);
+                return y;
+            };
+
+            // (public) test primality with certainty >= 1-.5^t
+            BigInteger.prototype.isProbablePrime = function (t) {
+                var i, x = this.abs();
+                if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
+                    for (i = 0; i < lowprimes.length; ++i)
+                        if (x[0] == lowprimes[i]) return true;
+                    return false;
+                }
+                if (x.isEven()) return false;
+                i = 1;
+                while (i < lowprimes.length) {
+                    var m = lowprimes[i],
+                        j = i + 1;
+                    while (j < lowprimes.length && m < lplim) m *= lowprimes[j++];
+                    m = x.modInt(m);
+                    while (i < j)
+                        if (m % lowprimes[i++] == 0) return false;
+                }
+                return x.millerRabin(t);
+            };
+
+
+            // JSBN-specific extension
+
+            // (public) this^2
+            BigInteger.prototype.square = function () {
+                var r = nbi();
+                this.squareTo(r);
+                return r;
+            };
+
+
+            // NOTE: BigInteger interfaces not implemented in jsbn:
+            // BigInteger(int signum, byte[] magnitude)
+            // double doubleValue()
+            // float floatValue()
+            // int hashCode()
+            // long longValue()
+            // static BigInteger valueOf(long val)
+
+
+
+            // Copyright Stephan Thomas (start) --- //
+            // https://raw.github.com/bitcoinjs/bitcoinjs-lib/07f9d55ccb6abd962efb6befdd37671f85ea4ff9/src/util.js
+            // BigInteger monkey patching
+            BigInteger.valueOf = nbv;
+
+            /**
+            * Returns a byte array representation of the big integer.
+            *
+            * This returns the absolute of the contained value in big endian
+            * form. A value of zero results in an empty array.
+            */
+            BigInteger.prototype.toByteArrayUnsigned = function () {
+                var ba = this.abs().toByteArray();
+                if (ba.length) {
+                    if (ba[0] == 0) {
+                        ba = ba.slice(1);
+                    }
+                    return ba.map(function (v) {
+                        return (v < 0) ? v + 256 : v;
+                    });
+                } else {
+                    // Empty array, nothing to do
+                    return ba;
+                }
+            };
+
+            /**
+            * Turns a byte array into a big integer.
+            *
+            * This function will interpret a byte array as a big integer in big
+            * endian notation and ignore leading zeros.
+            */
+            BigInteger.fromByteArrayUnsigned = function (ba) {
+                if (!ba.length) {
+                    return ba.valueOf(0);
+                } else if (ba[0] & 0x80) {
+                    // Prepend a zero so the BigInteger class doesn't mistake this
+                    // for a negative integer.
+                    return new BigInteger([0].concat(ba));
+                } else {
+                    return new BigInteger(ba);
+                }
+            };
+
+            /**
+            * Converts big integer to signed byte representation.
+            *
+            * The format for this value uses a the most significant bit as a sign
+            * bit. If the most significant bit is already occupied by the
+            * absolute value, an extra byte is prepended and the sign bit is set
+            * there.
+            *
+            * Examples:
+            *
+            *      0 =>     0x00
+            *      1 =>     0x01
+            *     -1 =>     0x81
+            *    127 =>     0x7f
+            *   -127 =>     0xff
+            *    128 =>   0x0080
+            *   -128 =>   0x8080
+            *    255 =>   0x00ff
+            *   -255 =>   0x80ff
+            *  16300 =>   0x3fac
+            * -16300 =>   0xbfac
+            *  62300 => 0x00f35c
+            * -62300 => 0x80f35c
+            */
+            BigInteger.prototype.toByteArraySigned = function () {
+                var val = this.abs().toByteArrayUnsigned();
+                var neg = this.compareTo(BigInteger.ZERO) < 0;
+
+                if (neg) {
+                    if (val[0] & 0x80) {
+                        val.unshift(0x80);
+                    } else {
+                        val[0] |= 0x80;
+                    }
+                } else {
+                    if (val[0] & 0x80) {
+                        val.unshift(0x00);
+                    }
+                }
+
+                return val;
+            };
+
+            /**
+            * Parse a signed big integer byte representation.
+            *
+            * For details on the format please see BigInteger.toByteArraySigned.
+            */
+            BigInteger.fromByteArraySigned = function (ba) {
+                // Check for negative value
+                if (ba[0] & 0x80) {
+                    // Remove sign bit
+                    ba[0] &= 0x7f;
+
+                    return BigInteger.fromByteArrayUnsigned(ba).negate();
+                } else {
+                    return BigInteger.fromByteArrayUnsigned(ba);
+                }
+            };
+            // Copyright Stephan Thomas (end) --- //
+
+
+
+
+            // ****** REDUCTION ******* //
+
+            // Modular reduction using "classic" algorithm
+            var Classic = window.Classic = function Classic(m) {
+                this.m = m;
+            }
+            Classic.prototype.convert = function (x) {
+                if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
+                else return x;
+            };
+            Classic.prototype.revert = function (x) {
+                return x;
+            };
+            Classic.prototype.reduce = function (x) {
+                x.divRemTo(this.m, null, x);
+            };
+            Classic.prototype.mulTo = function (x, y, r) {
+                x.multiplyTo(y, r);
+                this.reduce(r);
+            };
+            Classic.prototype.sqrTo = function (x, r) {
+                x.squareTo(r);
+                this.reduce(r);
+            };
+
+
+
+
+
+            // Montgomery reduction
+            var Montgomery = window.Montgomery = function Montgomery(m) {
+                this.m = m;
+                this.mp = m.invDigit();
+                this.mpl = this.mp & 0x7fff;
+                this.mph = this.mp >> 15;
+                this.um = (1 << (m.DB - 15)) - 1;
+                this.mt2 = 2 * m.t;
+            }
+            // xR mod m
+            Montgomery.prototype.convert = function (x) {
+                var r = nbi();
+                x.abs().dlShiftTo(this.m.t, r);
+                r.divRemTo(this.m, null, r);
+                if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r);
+                return r;
+            }
+            // x/R mod m
+            Montgomery.prototype.revert = function (x) {
+                var r = nbi();
+                x.copyTo(r);
+                this.reduce(r);
+                return r;
+            };
+            // x = x/R mod m (HAC 14.32)
+            Montgomery.prototype.reduce = function (x) {
+                while (x.t <= this.mt2) // pad x so am has enough room later
+                    x[x.t++] = 0;
+                for (var i = 0; i < this.m.t; ++i) {
+                    // faster way of calculating u0 = x[i]*mp mod DV
+                    var j = x[i] & 0x7fff;
+                    var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM;
+                    // use am to combine the multiply-shift-add into one call
+                    j = i + this.m.t;
+                    x[j] += this.m.am(0, u0, x, i, 0, this.m.t);
+                    // propagate carry
+                    while (x[j] >= x.DV) {
+                        x[j] -= x.DV;
+                        x[++j]++;
+                    }
+                }
+                x.clamp();
+                x.drShiftTo(this.m.t, x);
+                if (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
+            };
+            // r = "xy/R mod m"; x,y != r
+            Montgomery.prototype.mulTo = function (x, y, r) {
+                x.multiplyTo(y, r);
+                this.reduce(r);
+            };
+            // r = "x^2/R mod m"; x != r
+            Montgomery.prototype.sqrTo = function (x, r) {
+                x.squareTo(r);
+                this.reduce(r);
+            };
+
+
+
+
+
+            // A "null" reducer
+            var NullExp = window.NullExp = function NullExp() {}
+            NullExp.prototype.convert = function (x) {
+                return x;
+            };
+            NullExp.prototype.revert = function (x) {
+                return x;
+            };
+            NullExp.prototype.mulTo = function (x, y, r) {
+                x.multiplyTo(y, r);
+            };
+            NullExp.prototype.sqrTo = function (x, r) {
+                x.squareTo(r);
+            };
+
+
+
+
+
+            // Barrett modular reduction
+            var Barrett = window.Barrett = function Barrett(m) {
+                // setup Barrett
+                this.r2 = nbi();
+                this.q3 = nbi();
+                BigInteger.ONE.dlShiftTo(2 * m.t, this.r2);
+                this.mu = this.r2.divide(m);
+                this.m = m;
+            }
+            Barrett.prototype.convert = function (x) {
+                if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m);
+                else if (x.compareTo(this.m) < 0) return x;
+                else {
+                    var r = nbi();
+                    x.copyTo(r);
+                    this.reduce(r);
+                    return r;
+                }
+            };
+            Barrett.prototype.revert = function (x) {
+                return x;
+            };
+            // x = x mod m (HAC 14.42)
+            Barrett.prototype.reduce = function (x) {
+                x.drShiftTo(this.m.t - 1, this.r2);
+                if (x.t > this.m.t + 1) {
+                    x.t = this.m.t + 1;
+                    x.clamp();
+                }
+                this.mu.multiplyUpperTo(this.r2, this.m.t + 1, this.q3);
+                this.m.multiplyLowerTo(this.q3, this.m.t + 1, this.r2);
+                while (x.compareTo(this.r2) < 0) x.dAddOffset(1, this.m.t + 1);
+                x.subTo(this.r2, x);
+                while (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
+            };
+            // r = x*y mod m; x,y != r
+            Barrett.prototype.mulTo = function (x, y, r) {
+                x.multiplyTo(y, r);
+                this.reduce(r);
+            };
+            // r = x^2 mod m; x != r
+            Barrett.prototype.sqrTo = function (x, r) {
+                x.squareTo(r);
+                this.reduce(r);
+            };
+
+        })();
+
+        // BigInteger interfaces not implemented in jsbn:
+
+        // BigInteger(int signum, byte[] magnitude)
+        // double doubleValue()
+        // float floatValue()
+        // int hashCode()
+        // long longValue()
+        // static BigInteger valueOf(long val)
+
+
+
+
+
+        //ellipticcurve.js
+        /*!
+         * Basic Javascript Elliptic Curve implementation
+         * Ported loosely from BouncyCastle's Java EC code
+         * Only Fp curves implemented for now
+         *
+         * Copyright Tom Wu, bitaddress.org  BSD License.
+         * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+         */
+        (function () {
+
+            // Constructor function of Global EllipticCurve object
+            var ec  = window.EllipticCurve = function () {};
+
+            // ----------------
+            // ECFieldElementFp constructor
+            // q instanceof BigInteger
+            // x instanceof BigInteger
+            ec.FieldElementFp = function (q, x) {
+                this.x = x;
+                // TODO if(x.compareTo(q) >= 0) error
+                this.q = q;
+            };
+
+            ec.FieldElementFp.prototype.equals = function (other) {
+                if (other == this) return true;
+                return (this.q.equals(other.q) && this.x.equals(other.x));
+            };
+
+            ec.FieldElementFp.prototype.toBigInteger = function () {
+                return this.x;
+            };
+
+            ec.FieldElementFp.prototype.negate = function () {
+                return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q));
+            };
+
+            ec.FieldElementFp.prototype.add = function (b) {
+                return new ec.FieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q));
+            };
+
+            ec.FieldElementFp.prototype.subtract = function (b) {
+                return new ec.FieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q));
+            };
+
+            ec.FieldElementFp.prototype.multiply = function (b) {
+                return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q));
+            };
+
+            ec.FieldElementFp.prototype.square = function () {
+                return new ec.FieldElementFp(this.q, this.x.square().mod(this.q));
+            };
+
+            ec.FieldElementFp.prototype.divide = function (b) {
+                return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(
+                    this.q));
+            };
+
+            ec.FieldElementFp.prototype.getByteLength = function () {
+                return Math.floor((this.toBigInteger().bitLength() + 7) / 8);
+            };
+
+            // D.1.4 91
+            /**
+             * return a sqrt root - the routine verifies that the calculation
+             * returns the right value - if none exists it returns null.
+             *
+             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+             * Ported to JavaScript by bitaddress.org
+             */
+            ec.FieldElementFp.prototype.sqrt = function () {
+                if (!this.q.testBit(0)) throw new Error("even value of q");
+
+                // p mod 4 == 3
+                if (this.q.testBit(1)) {
+                    // z = g^(u+1) + p, p = 4u + 3
+                    var z = new ec.FieldElementFp(this.q, this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE),
+                        this.q));
+                    return z.square().equals(this) ? z : null;
+                }
+
+                // p mod 4 == 1
+                var qMinusOne = this.q.subtract(BigInteger.ONE);
+                var legendreExponent = qMinusOne.shiftRight(1);
+                if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE))) return null;
+                var u = qMinusOne.shiftRight(2);
+                var k = u.shiftLeft(1).add(BigInteger.ONE);
+                var Q = this.x;
+                var fourQ = Q.shiftLeft(2).mod(this.q);
+                var U, V;
+
+                do {
+                    var rand = new SecureRandom();
+                    var P;
+                    do {
+                        P = new BigInteger(this.q.bitLength(), rand);
+                    }
+                    while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
+                            this.q).equals(qMinusOne)));
+
+                    var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
+
+                    U = result[0];
+                    V = result[1];
+                    if (V.multiply(V).mod(this.q).equals(fourQ)) {
+                        // Integer division by 2, mod q
+                        if (V.testBit(0)) {
+                            V = V.add(this.q);
+                        }
+                        V = V.shiftRight(1);
+                        return new ec.FieldElementFp(this.q, V);
+                    }
+                }
+                while (U.equals(BigInteger.ONE) || U.equals(qMinusOne));
+
+                return null;
+            };
+                /*!
+        * Crypto-JS 2.5.4 BlockModes.js
+        * contribution from Simon Greatrix
+        */
+
+        (function (C) {
+
+            // Create pad namespace
+            var C_pad = C.pad = {};
+
+            // Calculate the number of padding bytes required.
+            function _requiredPadding(cipher, message) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                var reqd = blockSizeInBytes - message.length % blockSizeInBytes;
+                return reqd;
+            }
+
+            // Remove padding when the final byte gives the number of padding bytes.
+            var _unpadLength = function (cipher, message, alg, padding) {
+                var pad = message.pop();
+                if (pad == 0) {
+                    throw new Error("Invalid zero-length padding specified for " + alg +
+                        ". Wrong cipher specification or key used?");
+                }
+                var maxPad = cipher._blocksize * 4;
+                if (pad > maxPad) {
+                    throw new Error("Invalid padding length of " + pad +
+                        " specified for " + alg +
+                        ". Wrong cipher specification or key used?");
+                }
+                for (var i = 1; i < pad; i++) {
+                    var b = message.pop();
+                    if (padding != undefined && padding != b) {
+                        throw new Error("Invalid padding byte of 0x" + b.toString(16) +
+                            " specified for " + alg +
+                            ". Wrong cipher specification or key used?");
+                    }
+                }
+            };
+
+            // No-operation padding, used for stream ciphers
+            C_pad.NoPadding = {
+                pad: function (cipher, message) {},
+                unpad: function (cipher, message) {}
+            };
+
+            // Zero Padding.
+            //
+            // If the message is not an exact number of blocks, the final block is
+            // completed with 0x00 bytes. There is no unpadding.
+            C_pad.ZeroPadding = {
+                pad: function (cipher, message) {
+                    var blockSizeInBytes = cipher._blocksize * 4;
+                    var reqd = message.length % blockSizeInBytes;
+                    if (reqd != 0) {
+                        for (reqd = blockSizeInBytes - reqd; reqd > 0; reqd--) {
+                            message.push(0x00);
+                        }
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    while (message[message.length - 1] == 0) {
+                        message.pop();
+                    }
+                }
+            };
+
+            // ISO/IEC 7816-4 padding.
+            //
+            // Pads the plain text with an 0x80 byte followed by as many 0x00
+            // bytes are required to complete the block.
+            C_pad.iso7816 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    message.push(0x80);
+                    for (; reqd > 1; reqd--) {
+                        message.push(0x00);
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    var padLength;
+                    for (padLength = cipher._blocksize * 4; padLength > 0; padLength--) {
+                        var b = message.pop();
+                        if (b == 0x80) return;
+                        if (b != 0x00) {
+                            throw new Error("ISO-7816 padding byte must be 0, not 0x" + b.toString(16) +
+                                ". Wrong cipher specification or key used?");
+                        }
+                    }
+                    throw new Error(
+                        "ISO-7816 padded beyond cipher block size. Wrong cipher specification or key used?"
+                    );
+                }
+            };
+
+            // ANSI X.923 padding
+            //
+            // The final block is padded with zeros except for the last byte of the
+            // last block which contains the number of padding bytes.
+            C_pad.ansix923 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 1; i < reqd; i++) {
+                        message.push(0x00);
+                    }
+                    message.push(reqd);
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "ANSI X.923", 0);
+                }
+            };
+
+            // ISO 10126
+            //
+            // The final block is padded with random bytes except for the last
+            // byte of the last block which contains the number of padding bytes.
+            C_pad.iso10126 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 1; i < reqd; i++) {
+                        message.push(Math.floor(Math.random() * 256));
+                    }
+                    message.push(reqd);
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "ISO 10126", undefined);
+                }
+            };
+
+            // PKCS7 padding
+            //
+            // PKCS7 is described in RFC 5652. Padding is in whole bytes. The
+            // value of each added byte is the number of bytes that are added,
+            // i.e. N bytes, each of value N are added.
+            C_pad.pkcs7 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 0; i < reqd; i++) {
+                        message.push(reqd);
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "PKCS 7", message[message.length - 1]);
+                }
+            };
+
+            // Create mode namespace
+            var C_mode = C.mode = {};
+
+            /**
+            * Mode base "class".
+            */
+            var Mode = C_mode.Mode = function (padding) {
+                if (padding) {
+                    this._padding = padding;
+                }
+            };
+
+            Mode.prototype = {
+                encrypt: function (cipher, m, iv) {
+                    this._padding.pad(cipher, m);
+                    this._doEncrypt(cipher, m, iv);
+                },
+
+                decrypt: function (cipher, m, iv) {
+                    this._doDecrypt(cipher, m, iv);
+                    this._padding.unpad(cipher, m);
+                },
+
+                // Default padding
+                _padding: C_pad.iso7816
+            };
+
+
+            /**
+            * Electronic Code Book mode.
+            * 
+            * ECB applies the cipher directly against each block of the input.
+            * 
+            * ECB does not require an initialization vector.
+            */
+            var ECB = C_mode.ECB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var ECB_prototype = ECB.prototype = new Mode;
+
+            // Concrete steps for Mode template
+            ECB_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                // Encrypt each block
+                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
+                    cipher._encryptblock(m, offset);
+                }
+            };
+            ECB_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                // Decrypt each block
+                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
+                    cipher._decryptblock(c, offset);
+                }
+            };
+
+            // ECB never uses an IV
+            ECB_prototype.fixOptions = function (options) {
+                options.iv = [];
+            };
+
+
+            /**
+            * Cipher block chaining
+            * 
+            * The first block is XORed with the IV. Subsequent blocks are XOR with the
+            * previous cipher output.
+            */
+            var CBC = C_mode.CBC = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CBC_prototype = CBC.prototype = new Mode;
+
+            // Concrete steps for Mode template
+            CBC_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+
+                // Encrypt each block
+                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
+                    if (offset == 0) {
+                        // XOR first block using IV
+                        for (var i = 0; i < blockSizeInBytes; i++)
+                            m[i] ^= iv[i];
+                    } else {
+                        // XOR this block using previous crypted block
+                        for (var i = 0; i < blockSizeInBytes; i++)
+                            m[offset + i] ^= m[offset + i - blockSizeInBytes];
+                    }
+                    // Encrypt block
+                    cipher._encryptblock(m, offset);
+                }
+            };
+            CBC_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+
+                // At the start, the previously crypted block is the IV
+                var prevCryptedBlock = iv;
+
+                // Decrypt each block
+                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
+                    // Save this crypted block
+                    var thisCryptedBlock = c.slice(offset, offset + blockSizeInBytes);
+                    // Decrypt block
+                    cipher._decryptblock(c, offset);
+                    // XOR decrypted block using previous crypted block
+                    for (var i = 0; i < blockSizeInBytes; i++) {
+                        c[offset + i] ^= prevCryptedBlock[i];
+                    }
+                    prevCryptedBlock = thisCryptedBlock;
+                }
+            };
+
+
+            /**
+            * Cipher feed back
+            * 
+            * The cipher output is XORed with the plain text to produce the cipher output,
+            * which is then fed back into the cipher to produce a bit pattern to XOR the
+            * next block with.
+            * 
+            * This is a stream cipher mode and does not require padding.
+            */
+            var CFB = C_mode.CFB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CFB_prototype = CFB.prototype = new Mode;
+
+            // Override padding
+            CFB_prototype._padding = C_pad.NoPadding;
+
+            // Concrete steps for Mode template
+            CFB_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < m.length; i++) {
+
+                    var j = i % blockSizeInBytes;
+                    if (j == 0) cipher._encryptblock(keystream, 0);
+
+                    m[i] ^= keystream[j];
+                    keystream[j] = m[i];
+                }
+            };
+            CFB_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < c.length; i++) {
+
+                    var j = i % blockSizeInBytes;
+                    if (j == 0) cipher._encryptblock(keystream, 0);
+
+                    var b = c[i];
+                    c[i] ^= keystream[j];
+                    keystream[j] = b;
+                }
+            };
+
+
+            /**
+            * Output feed back
+            * 
+            * The cipher repeatedly encrypts its own output. The output is XORed with the
+            * plain text to produce the cipher text.
+            * 
+            * This is a stream cipher mode and does not require padding.
+            */
+            var OFB = C_mode.OFB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var OFB_prototype = OFB.prototype = new Mode;
+
+            // Override padding
+            OFB_prototype._padding = C_pad.NoPadding;
+
+            // Concrete steps for Mode template
+            OFB_prototype._doEncrypt = function (cipher, m, iv) {
+
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < m.length; i++) {
+
+                    // Generate keystream
+                    if (i % blockSizeInBytes == 0)
+                        cipher._encryptblock(keystream, 0);
+
+                    // Encrypt byte
+                    m[i] ^= keystream[i % blockSizeInBytes];
+
+                }
+            };
+            OFB_prototype._doDecrypt = OFB_prototype._doEncrypt;
+
+            /**
+            * Counter
+            * @author Gergely Risko
+            *
+            * After every block the last 4 bytes of the IV is increased by one
+            * with carry and that IV is used for the next block.
+            *
+            * This is a stream cipher mode and does not require padding.
+            */
+            var CTR = C_mode.CTR = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CTR_prototype = CTR.prototype = new Mode;
+
+            // Override padding
+            CTR_prototype._padding = C_pad.NoPadding;
+
+            CTR_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                var counter = iv.slice(0);
+
+                for (var i = 0; i < m.length;) {
+                    // do not lose iv
+                    var keystream = counter.slice(0);
+
+                    // Generate keystream for next block
+                    cipher._encryptblock(keystream, 0);
+
+                    // XOR keystream with block
+                    for (var j = 0; i < m.length && j < blockSizeInBytes; j++, i++) {
+                        m[i] ^= keystream[j];
+                    }
+
+                    // Increase counter
+                    if (++(counter[blockSizeInBytes - 1]) == 256) {
+                        counter[blockSizeInBytes - 1] = 0;
+                        if (++(counter[blockSizeInBytes - 2]) == 256) {
+                            counter[blockSizeInBytes - 2] = 0;
+                            if (++(counter[blockSizeInBytes - 3]) == 256) {
+                                counter[blockSizeInBytes - 3] = 0;
+                                ++(counter[blockSizeInBytes - 4]);
+                            }
+                        }
+                    }
+                }
+            };
+            CTR_prototype._doDecrypt = CTR_prototype._doEncrypt;
+
+        })(Crypto);
+
+            /*!
+        * Crypto-JS v2.5.4  PBKDF2.js
+        * http://code.google.com/p/crypto-js/
+        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+        * http://code.google.com/p/crypto-js/wiki/License
+        */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8,
+                Binary = charenc.Binary;
+
+            C.PBKDF2 = function (password, salt, keylen, options) {
+
+                // Convert to byte arrays
+                if (password.constructor == String) password = UTF8.stringToBytes(password);
+                if (salt.constructor == String) salt = UTF8.stringToBytes(salt);
+                /* else, assume byte arrays already */
+
+                // Defaults
+                var hasher = options && options.hasher || C.SHA1,
+                    iterations = options && options.iterations || 1;
+
+                // Pseudo-random function
+                function PRF(password, salt) {
+                    return C.HMAC(hasher, salt, password, {
+                        asBytes: true
+                    });
+                }
+
+                // Generate key
+                var derivedKeyBytes = [],
+                    blockindex = 1;
+                while (derivedKeyBytes.length < keylen) {
+                    var block = PRF(password, salt.concat(util.wordsToBytes([blockindex])));
+                    for (var u = block, i = 1; i < iterations; i++) {
+                        u = PRF(password, u);
+                        for (var j = 0; j < block.length; j++) block[j] ^= u[j];
+                    }
+                    derivedKeyBytes = derivedKeyBytes.concat(block);
+                    blockindex++;
+                }
+
+                // Truncate excess bytes
+                derivedKeyBytes.length = keylen;
+
+                return options && options.asBytes ? derivedKeyBytes :
+                    options && options.asString ? Binary.bytesToString(derivedKeyBytes) :
+                    util.bytesToHex(derivedKeyBytes);
+
+            };
+
+        })();
+    
+  /*
+        * Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
+        * 
+        * Permission is hereby granted, free of charge, to any person obtaining a copy
+        * of this software and associated documentation files (the "Software"), to deal
+        * in the Software without restriction, including without limitation the rights
+        * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+        * copies of the Software, and to permit persons to whom the Software is
+        * furnished to do so, subject to the following conditions:
+        * 
+        * The above copyright notice and this permission notice shall be included in
+        * all copies or substantial portions of the Software.
+        * 
+        * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+        * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+        * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+        * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+        * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+        * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+        * THE SOFTWARE.
+        */
+        // https://github.com/cheongwy/node-scrypt-js
+        (function () {
+
+            var MAX_VALUE = 2147483647;
+            var workerUrl = null;
+
+            //function scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int dkLen)
+            /*
+            * N = Cpu cost
+            * r = Memory cost
+            * p = parallelization cost
+            * 
+            */
+            window.Crypto_scrypt = function (passwd, salt, N, r, p, dkLen, callback) {
+                if (N == 0 || (N & (N - 1)) != 0) throw Error("N must be > 0 and a power of 2");
+
+                if (N > MAX_VALUE / 128 / r) throw Error("Parameter N is too large");
+                if (r > MAX_VALUE / 128 / p) throw Error("Parameter r is too large");
+
+                var PBKDF2_opts = {
+                    iterations: 1,
+                    hasher: Crypto.SHA256,
+                    asBytes: true
+                };
+
+                var B = Crypto.PBKDF2(passwd, salt, p * 128 * r, PBKDF2_opts);
+
+                try {
+                    var i = 0;
+                    var worksDone = 0;
+                    var makeWorker = function () {
+                        if (!workerUrl) {
+                            var code = '(' + scryptCore.toString() + ')()';
+                            var blob;
+                            try {
+                                blob = new Blob([code], {
+                                    type: "text/javascript"
+                                });
+                            } catch (e) {
+                                window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder ||
+                                    window.MozBlobBuilder ||
+                                    window.MSBlobBuilder;
+                                blob = new BlobBuilder();
+                                blob.append(code);
+                                blob = blob.getBlob("text/javascript");
+                            }
+                            workerUrl = URL.createObjectURL(blob);
+                        }
+                        var worker = new Worker(workerUrl);
+                        worker.onmessage = function (event) {
+                            var Bi = event.data[0],
+                                Bslice = event.data[1];
+                            worksDone++;
+
+                            if (i < p) {
+                                worker.postMessage([N, r, p, B, i++]);
+                            }
+
+                            var length = Bslice.length,
+                                destPos = Bi * 128 * r,
+                                srcPos = 0;
+                            while (length--) {
+                                B[destPos++] = Bslice[srcPos++];
+                            }
+
+                            if (worksDone == p) {
+                                callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
+                            }
+                        };
+                        return worker;
+                    };
+                    var workers = [makeWorker(), makeWorker()];
+                    workers[0].postMessage([N, r, p, B, i++]);
+                    if (p > 1) {
+                        workers[1].postMessage([N, r, p, B, i++]);
+                    }
+                } catch (e) {
+                    window.setTimeout(function () {
+                        scryptCore();
+                        callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
+                    }, 0);
+                }
+
+                // using this function to enclose everything needed to create a worker (but also invokable directly for synchronous use)
+                function scryptCore() {
+                    var XY = [],
+                        V = [];
+
+                    if (typeof B === 'undefined') {
+                        onmessage = function (event) {
+                            var data = event.data;
+                            var N = data[0],
+                                r = data[1],
+                                p = data[2],
+                                B = data[3],
+                                i = data[4];
+
+                            var Bslice = [];
+                            arraycopy32(B, i * 128 * r, Bslice, 0, 128 * r);
+                            smix(Bslice, 0, r, N, V, XY);
+
+                            postMessage([i, Bslice]);
+                        };
+                    } else {
+                        for (var i = 0; i < p; i++) {
+                            smix(B, i * 128 * r, r, N, V, XY);
+                        }
+                    }
+
+                    function smix(B, Bi, r, N, V, XY) {
+                        var Xi = 0;
+                        var Yi = 128 * r;
+                        var i;
+
+                        arraycopy32(B, Bi, XY, Xi, Yi);
+
+                        for (i = 0; i < N; i++) {
+                            arraycopy32(XY, Xi, V, i * Yi, Yi);
+                            blockmix_salsa8(XY, Xi, Yi, r);
+                        }
+
+                        for (i = 0; i < N; i++) {
+                            var j = integerify(XY, Xi, r) & (N - 1);
+                            blockxor(V, j * Yi, XY, Xi, Yi);
+                            blockmix_salsa8(XY, Xi, Yi, r);
+                        }
+
+                        arraycopy32(XY, Xi, B, Bi, Yi);
+                    }
+
+                    function blockmix_salsa8(BY, Bi, Yi, r) {
+                        var X = [];
+                        var i;
+
+                        arraycopy32(BY, Bi + (2 * r - 1) * 64, X, 0, 64);
+
+                        for (i = 0; i < 2 * r; i++) {
+                            blockxor(BY, i * 64, X, 0, 64);
+                            salsa20_8(X);
+                            arraycopy32(X, 0, BY, Yi + (i * 64), 64);
+                        }
+
+                        for (i = 0; i < r; i++) {
+                            arraycopy32(BY, Yi + (i * 2) * 64, BY, Bi + (i * 64), 64);
+                        }
+
+                        for (i = 0; i < r; i++) {
+                            arraycopy32(BY, Yi + (i * 2 + 1) * 64, BY, Bi + (i + r) * 64, 64);
+                        }
+                    }
+
+                    function R(a, b) {
+                        return (a << b) | (a >>> (32 - b));
+                    }
+
+                    function salsa20_8(B) {
+                        var B32 = new Array(32);
+                        var x = new Array(32);
+                        var i;
+
+                        for (i = 0; i < 16; i++) {
+                            B32[i] = (B[i * 4 + 0] & 0xff) << 0;
+                            B32[i] |= (B[i * 4 + 1] & 0xff) << 8;
+                            B32[i] |= (B[i * 4 + 2] & 0xff) << 16;
+                            B32[i] |= (B[i * 4 + 3] & 0xff) << 24;
+                        }
+
+                        arraycopy(B32, 0, x, 0, 16);
+
+                        for (i = 8; i > 0; i -= 2) {
+                            x[4] ^= R(x[0] + x[12], 7);
+                            x[8] ^= R(x[4] + x[0], 9);
+                            x[12] ^= R(x[8] + x[4], 13);
+                            x[0] ^= R(x[12] + x[8], 18);
+                            x[9] ^= R(x[5] + x[1], 7);
+                            x[13] ^= R(x[9] + x[5], 9);
+                            x[1] ^= R(x[13] + x[9], 13);
+                            x[5] ^= R(x[1] + x[13], 18);
+                            x[14] ^= R(x[10] + x[6], 7);
+                            x[2] ^= R(x[14] + x[10], 9);
+                            x[6] ^= R(x[2] + x[14], 13);
+                            x[10] ^= R(x[6] + x[2], 18);
+                            x[3] ^= R(x[15] + x[11], 7);
+                            x[7] ^= R(x[3] + x[15], 9);
+                            x[11] ^= R(x[7] + x[3], 13);
+                            x[15] ^= R(x[11] + x[7], 18);
+                            x[1] ^= R(x[0] + x[3], 7);
+                            x[2] ^= R(x[1] + x[0], 9);
+                            x[3] ^= R(x[2] + x[1], 13);
+                            x[0] ^= R(x[3] + x[2], 18);
+                            x[6] ^= R(x[5] + x[4], 7);
+                            x[7] ^= R(x[6] + x[5], 9);
+                            x[4] ^= R(x[7] + x[6], 13);
+                            x[5] ^= R(x[4] + x[7], 18);
+                            x[11] ^= R(x[10] + x[9], 7);
+                            x[8] ^= R(x[11] + x[10], 9);
+                            x[9] ^= R(x[8] + x[11], 13);
+                            x[10] ^= R(x[9] + x[8], 18);
+                            x[12] ^= R(x[15] + x[14], 7);
+                            x[13] ^= R(x[12] + x[15], 9);
+                            x[14] ^= R(x[13] + x[12], 13);
+                            x[15] ^= R(x[14] + x[13], 18);
+                        }
+
+                        for (i = 0; i < 16; ++i) B32[i] = x[i] + B32[i];
+
+                        for (i = 0; i < 16; i++) {
+                            var bi = i * 4;
+                            B[bi + 0] = (B32[i] >> 0 & 0xff);
+                            B[bi + 1] = (B32[i] >> 8 & 0xff);
+                            B[bi + 2] = (B32[i] >> 16 & 0xff);
+                            B[bi + 3] = (B32[i] >> 24 & 0xff);
+                        }
+                    }
+
+                    function blockxor(S, Si, D, Di, len) {
+                        var i = len >> 6;
+                        while (i--) {
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                        }
+                    }
+
+                    function integerify(B, bi, r) {
+                        var n;
+
+                        bi += (2 * r - 1) * 64;
+
+                        n = (B[bi + 0] & 0xff) << 0;
+                        n |= (B[bi + 1] & 0xff) << 8;
+                        n |= (B[bi + 2] & 0xff) << 16;
+                        n |= (B[bi + 3] & 0xff) << 24;
+
+                        return n;
+                    }
+
+                    function arraycopy(src, srcPos, dest, destPos, length) {
+                        while (length--) {
+                            dest[destPos++] = src[srcPos++];
+                        }
+                    }
+
+                    function arraycopy32(src, srcPos, dest, destPos, length) {
+                        var i = length >> 5;
+                        while (i--) {
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                        }
+                    }
+                } // scryptCore
+            }; // window.Crypto_scrypt
+        })();
+
+      /*!
+        * Crypto-JS v2.5.4  AES.js
+        * http://code.google.com/p/crypto-js/
+        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+        * http://code.google.com/p/crypto-js/wiki/License
+        */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8;
+
+            // Precomputed SBOX
+            var SBOX = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
+                0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+                0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
+                0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+                0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
+                0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+                0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
+                0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+                0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
+                0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+                0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
+                0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+                0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
+                0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+                0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
+                0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+                0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
+                0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+                0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
+                0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+                0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
+                0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+                0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
+                0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+                0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
+                0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+                0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
+                0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+                0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
+                0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+                0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
+                0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+            ];
+
+            // Compute inverse SBOX lookup table
+            for (var INVSBOX = [], i = 0; i < 256; i++) INVSBOX[SBOX[i]] = i;
+
+            // Compute multiplication in GF(2^8) lookup tables
+            var MULT2 = [],
+                MULT3 = [],
+                MULT9 = [],
+                MULTB = [],
+                MULTD = [],
+                MULTE = [];
+
+            function xtime(a, b) {
+                for (var result = 0, i = 0; i < 8; i++) {
+                    if (b & 1) result ^= a;
+                    var hiBitSet = a & 0x80;
+                    a = (a << 1) & 0xFF;
+                    if (hiBitSet) a ^= 0x1b;
+                    b >>>= 1;
+                }
+                return result;
+            }
+
+            for (var i = 0; i < 256; i++) {
+                MULT2[i] = xtime(i, 2);
+                MULT3[i] = xtime(i, 3);
+                MULT9[i] = xtime(i, 9);
+                MULTB[i] = xtime(i, 0xB);
+                MULTD[i] = xtime(i, 0xD);
+                MULTE[i] = xtime(i, 0xE);
+            }
+
+            // Precomputed RCon lookup
+            var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
+
+            // Inner state
+            var state = [
+                    [],
+                    [],
+                    [],
+                    []
+                ],
+                keylength,
+                nrounds,
+                keyschedule;
+
+            var AES = C.AES = {
+
+                /**
+                * Public API
+                */
+
+                encrypt: function (message, password, options) {
+
+                    options = options || {};
+
+                    // Determine mode
+                    var mode = options.mode || new C.mode.OFB;
+
+                    // Allow mode to override options
+                    if (mode.fixOptions) mode.fixOptions(options);
+
+                    var
+
+                        // Convert to bytes if message is a string
+                        m = (
+                            message.constructor == String ?
+                            UTF8.stringToBytes(message) :
+                            message
+                        ),
+
+                        // Generate random IV
+                        iv = options.iv || util.randomBytes(AES._blocksize * 4),
+
+                        // Generate key
+                        k = (
+                            password.constructor == String ?
+                            // Derive key from pass-phrase
+                            C.PBKDF2(password, iv, 32, {
+                                asBytes: true
+                            }) :
+                            // else, assume byte array representing cryptographic key
+                            password
+                        );
+
+                    // Encrypt
+                    AES._init(k);
+                    mode.encrypt(AES, m, iv);
+
+                    // Return ciphertext
+                    m = options.iv ? m : iv.concat(m);
+                    return (options && options.asBytes) ? m : util.bytesToBase64(m);
+
+                },
+
+                decrypt: function (ciphertext, password, options) {
+
+                    options = options || {};
+
+                    // Determine mode
+                    var mode = options.mode || new C.mode.OFB;
+
+                    // Allow mode to override options
+                    if (mode.fixOptions) mode.fixOptions(options);
+
+                    var
+
+                        // Convert to bytes if ciphertext is a string
+                        c = (
+                            ciphertext.constructor == String ?
+                            util.base64ToBytes(ciphertext) :
+                            ciphertext
+                        ),
+
+                        // Separate IV and message
+                        iv = options.iv || c.splice(0, AES._blocksize * 4),
+
+                        // Generate key
+                        k = (
+                            password.constructor == String ?
+                            // Derive key from pass-phrase
+                            C.PBKDF2(password, iv, 32, {
+                                asBytes: true
+                            }) :
+                            // else, assume byte array representing cryptographic key
+                            password
+                        );
+
+                    // Decrypt
+                    AES._init(k);
+                    mode.decrypt(AES, c, iv);
+
+                    // Return plaintext
+                    return (options && options.asBytes) ? c : UTF8.bytesToString(c);
+
+                },
+
+
+                /**
+                * Package private methods and properties
+                */
+
+                _blocksize: 4,
+
+                _encryptblock: function (m, offset) {
+
+                    // Set input
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = m[offset + col * 4 + row];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[col][row];
+                    }
+
+                    for (var round = 1; round < nrounds; round++) {
+
+                        // Sub bytes
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] = SBOX[state[row][col]];
+                        }
+
+                        // Shift rows
+                        state[1].push(state[1].shift());
+                        state[2].push(state[2].shift());
+                        state[2].push(state[2].shift());
+                        state[3].unshift(state[3].pop());
+
+                        // Mix columns
+                        for (var col = 0; col < 4; col++) {
+
+                            var s0 = state[0][col],
+                                s1 = state[1][col],
+                                s2 = state[2][col],
+                                s3 = state[3][col];
+
+                            state[0][col] = MULT2[s0] ^ MULT3[s1] ^ s2 ^ s3;
+                            state[1][col] = s0 ^ MULT2[s1] ^ MULT3[s2] ^ s3;
+                            state[2][col] = s0 ^ s1 ^ MULT2[s2] ^ MULT3[s3];
+                            state[3][col] = MULT3[s0] ^ s1 ^ s2 ^ MULT2[s3];
+
+                        }
+
+                        // Add round key
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] ^= keyschedule[round * 4 + col][row];
+                        }
+
+                    }
+
+                    // Sub bytes
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = SBOX[state[row][col]];
+                    }
+
+                    // Shift rows
+                    state[1].push(state[1].shift());
+                    state[2].push(state[2].shift());
+                    state[2].push(state[2].shift());
+                    state[3].unshift(state[3].pop());
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
+                    }
+
+                    // Set output
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            m[offset + col * 4 + row] = state[row][col];
+                    }
+
+                },
+
+                _decryptblock: function (c, offset) {
+
+                    // Set input
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = c[offset + col * 4 + row];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
+                    }
+
+                    for (var round = 1; round < nrounds; round++) {
+
+                        // Inv shift rows
+                        state[1].unshift(state[1].pop());
+                        state[2].push(state[2].shift());
+                        state[2].push(state[2].shift());
+                        state[3].push(state[3].shift());
+
+                        // Inv sub bytes
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] = INVSBOX[state[row][col]];
+                        }
+
+                        // Add round key
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] ^= keyschedule[(nrounds - round) * 4 + col][row];
+                        }
+
+                        // Inv mix columns
+                        for (var col = 0; col < 4; col++) {
+
+                            var s0 = state[0][col],
+                                s1 = state[1][col],
+                                s2 = state[2][col],
+                                s3 = state[3][col];
+
+                            state[0][col] = MULTE[s0] ^ MULTB[s1] ^ MULTD[s2] ^ MULT9[s3];
+                            state[1][col] = MULT9[s0] ^ MULTE[s1] ^ MULTB[s2] ^ MULTD[s3];
+                            state[2][col] = MULTD[s0] ^ MULT9[s1] ^ MULTE[s2] ^ MULTB[s3];
+                            state[3][col] = MULTB[s0] ^ MULTD[s1] ^ MULT9[s2] ^ MULTE[s3];
+
+                        }
+
+                    }
+
+                    // Inv shift rows
+                    state[1].unshift(state[1].pop());
+                    state[2].push(state[2].shift());
+                    state[2].push(state[2].shift());
+                    state[3].push(state[3].shift());
+
+                    // Inv sub bytes
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = INVSBOX[state[row][col]];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[col][row];
+                    }
+
+                    // Set output
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            c[offset + col * 4 + row] = state[row][col];
+                    }
+
+                },
+
+
+                /**
+                * Private methods
+                */
+
+                _init: function (k) {
+                    keylength = k.length / 4;
+                    nrounds = keylength + 6;
+                    AES._keyexpansion(k);
+                },
+
+                // Generate a key schedule
+                _keyexpansion: function (k) {
+
+                    keyschedule = [];
+
+                    for (var row = 0; row < keylength; row++) {
+                        keyschedule[row] = [
+                            k[row * 4],
+                            k[row * 4 + 1],
+                            k[row * 4 + 2],
+                            k[row * 4 + 3]
+                        ];
+                    }
+
+                    for (var row = keylength; row < AES._blocksize * (nrounds + 1); row++) {
+
+                        var temp = [
+                            keyschedule[row - 1][0],
+                            keyschedule[row - 1][1],
+                            keyschedule[row - 1][2],
+                            keyschedule[row - 1][3]
+                        ];
+
+                        if (row % keylength == 0) {
+
+                            // Rot word
+                            temp.push(temp.shift());
+
+                            // Sub word
+                            temp[0] = SBOX[temp[0]];
+                            temp[1] = SBOX[temp[1]];
+                            temp[2] = SBOX[temp[2]];
+                            temp[3] = SBOX[temp[3]];
+
+                            temp[0] ^= RCON[row / keylength];
+
+                        } else if (keylength > 6 && row % keylength == 4) {
+
+                            // Sub word
+                            temp[0] = SBOX[temp[0]];
+                            temp[1] = SBOX[temp[1]];
+                            temp[2] = SBOX[temp[2]];
+                            temp[3] = SBOX[temp[3]];
+
+                        }
+
+                        keyschedule[row] = [
+                            keyschedule[row - keylength][0] ^ temp[0],
+                            keyschedule[row - keylength][1] ^ temp[1],
+                            keyschedule[row - keylength][2] ^ temp[2],
+                            keyschedule[row - keylength][3] ^ temp[3]
+                        ];
+
+                    }
+
+                }
+
+            };
+
+        })();
+  
+            /*
+             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+             * Ported to JavaScript by bitaddress.org
+             */
+            ec.FieldElementFp.fastLucasSequence = function (p, P, Q, k) {
+                // TODO Research and apply "common-multiplicand multiplication here"
+
+                var n = k.bitLength();
+                var s = k.getLowestSetBit();
+                var Uh = BigInteger.ONE;
+                var Vl = BigInteger.TWO;
+                var Vh = P;
+                var Ql = BigInteger.ONE;
+                var Qh = BigInteger.ONE;
+
+                for (var j = n - 1; j >= s + 1; --j) {
+                    Ql = Ql.multiply(Qh).mod(p);
+                    if (k.testBit(j)) {
+                        Qh = Ql.multiply(Q).mod(p);
+                        Uh = Uh.multiply(Vh).mod(p);
+                        Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
+                        Vh = Vh.multiply(Vh).subtract(Qh.shiftLeft(1)).mod(p);
+                    } else {
+                        Qh = Ql;
+                        Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
+                        Vh = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
+                        Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
+                    }
+                }
+
+                Ql = Ql.multiply(Qh).mod(p);
+                Qh = Ql.multiply(Q).mod(p);
+                Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
+                Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
+                Ql = Ql.multiply(Qh).mod(p);
+
+                for (var j = 1; j <= s; ++j) {
+                    Uh = Uh.multiply(Vl).mod(p);
+                    Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
+                    Ql = Ql.multiply(Ql).mod(p);
+                }
+
+                return [Uh, Vl];
+            };
+
+            // ----------------
+            // ECPointFp constructor
+            ec.PointFp = function (curve, x, y, z, compressed) {
+                this.curve = curve;
+                this.x = x;
+                this.y = y;
+                // Projective coordinates: either zinv == null or z * zinv == 1
+                // z and zinv are just BigIntegers, not fieldElements
+                if (z == null) {
+                    this.z = BigInteger.ONE;
+                } else {
+                    this.z = z;
+                }
+                this.zinv = null;
+                // compression flag
+                this.compressed = !!compressed;
+            };
+
+            ec.PointFp.prototype.getX = function () {
+                if (this.zinv == null) {
+                    this.zinv = this.z.modInverse(this.curve.q);
+                }
+                var r = this.x.toBigInteger().multiply(this.zinv);
+                this.curve.reduce(r);
+                return this.curve.fromBigInteger(r);
+            };
+
+            ec.PointFp.prototype.getY = function () {
+                if (this.zinv == null) {
+                    this.zinv = this.z.modInverse(this.curve.q);
+                }
+                var r = this.y.toBigInteger().multiply(this.zinv);
+                this.curve.reduce(r);
+                return this.curve.fromBigInteger(r);
+            };
+
+            ec.PointFp.prototype.equals = function (other) {
+                if (other == this) return true;
+                if (this.isInfinity()) return other.isInfinity();
+                if (other.isInfinity()) return this.isInfinity();
+                var u, v;
+                // u = Y2 * Z1 - Y1 * Z2
+                u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(
+                    this.curve.q);
+                if (!u.equals(BigInteger.ZERO)) return false;
+                // v = X2 * Z1 - X1 * Z2
+                v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(
+                    this.curve.q);
+                return v.equals(BigInteger.ZERO);
+            };
+
+            ec.PointFp.prototype.isInfinity = function () {
+                if ((this.x == null) && (this.y == null)) return true;
+                return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO);
+            };
+
+            ec.PointFp.prototype.negate = function () {
+                return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z);
+            };
+
+            ec.PointFp.prototype.add = function (b) {
+                if (this.isInfinity()) return b;
+                if (b.isInfinity()) return this;
+
+                // u = Y2 * Z1 - Y1 * Z2
+                var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(
+                    this.curve.q);
+                // v = X2 * Z1 - X1 * Z2
+                var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(
+                    this.curve.q);
+
+
+                if (BigInteger.ZERO.equals(v)) {
+                    if (BigInteger.ZERO.equals(u)) {
+                        return this.twice(); // this == b, so double
+                    }
+                    return this.curve.getInfinity(); // this = -b, so infinity
+                }
+
+                var THREE = new BigInteger("3");
+                var x1 = this.x.toBigInteger();
+                var y1 = this.y.toBigInteger();
+                var x2 = b.x.toBigInteger();
+                var y2 = b.y.toBigInteger();
+
+                var v2 = v.square();
+                var v3 = v2.multiply(v);
+                var x1v2 = x1.multiply(v2);
+                var zu2 = u.square().multiply(this.z);
+
+                // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
+                var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);
+                // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
+                var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(
+                    b.z).add(u.multiply(v3)).mod(this.curve.q);
+                // z3 = v^3 * z1 * z2
+                var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q);
+
+                return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
+                    z3);
+            };
+
+            ec.PointFp.prototype.twice = function () {
+                if (this.isInfinity()) return this;
+                if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
+
+                // TODO: optimized handling of constants
+                var THREE = new BigInteger("3");
+                var x1 = this.x.toBigInteger();
+                var y1 = this.y.toBigInteger();
+
+                var y1z1 = y1.multiply(this.z);
+                var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q);
+                var a = this.curve.a.toBigInteger();
+
+                // w = 3 * x1^2 + a * z1^2
+                var w = x1.square().multiply(THREE);
+                if (!BigInteger.ZERO.equals(a)) {
+                    w = w.add(this.z.square().multiply(a));
+                }
+                w = w.mod(this.curve.q);
+                //this.curve.reduce(w);
+                // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
+                var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(
+                    this.curve.q);
+                // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
+                var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(
+                    y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);
+                // z3 = 8 * (y1 * z1)^3
+                var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);
+
+                return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
+                    z3);
+            };
+
+            // Simple NAF (Non-Adjacent Form) multiplication algorithm
+            // TODO: modularize the multiplication algorithm
+            ec.PointFp.prototype.multiply = function (k) {
+                if (this.isInfinity()) return this;
+                if (k.signum() == 0) return this.curve.getInfinity();
+
+                var e = k;
+                var h = e.multiply(new BigInteger("3"));
+
+                var neg = this.negate();
+                var R = this;
+
+                var i;
+                for (i = h.bitLength() - 2; i > 0; --i) {
+                    R = R.twice();
+
+                    var hBit = h.testBit(i);
+                    var eBit = e.testBit(i);
+
+                    if (hBit != eBit) {
+                        R = R.add(hBit ? this : neg);
+                    }
+                }
+
+                return R;
+            };
+
+            // Compute this*j + x*k (simultaneous multiplication)
+            ec.PointFp.prototype.multiplyTwo = function (j, x, k) {
+                var i;
+                if (j.bitLength() > k.bitLength())
+                    i = j.bitLength() - 1;
+                else
+                    i = k.bitLength() - 1;
+
+                var R = this.curve.getInfinity();
+                var both = this.add(x);
+                while (i >= 0) {
+                    R = R.twice();
+                    if (j.testBit(i)) {
+                        if (k.testBit(i)) {
+                            R = R.add(both);
+                        } else {
+                            R = R.add(this);
+                        }
+                    } else {
+                        if (k.testBit(i)) {
+                            R = R.add(x);
+                        }
+                    }
+                    --i;
+                }
+
+                return R;
+            };
+
+            // patched by bitaddress.org and Casascius for use with Bitcoin.ECKey
+            // patched by coretechs to support compressed public keys
+            ec.PointFp.prototype.getEncoded = function (compressed) {
+                var x = this.getX().toBigInteger();
+                var y = this.getY().toBigInteger();
+                var len = 32; // integerToBytes will zero pad if integer is less than 32 bytes. 32 bytes length is required by the Bitcoin protocol.
+                var enc = ec.integerToBytes(x, len);
+
+                // when compressed prepend byte depending if y point is even or odd
+                if (compressed) {
+                    if (y.isEven()) {
+                        enc.unshift(0x02);
+                    } else {
+                        enc.unshift(0x03);
+                    }
+                } else {
+                    enc.unshift(0x04);
+                    enc = enc.concat(ec.integerToBytes(y, len)); // uncompressed public key appends the bytes of the y point
+                }
+                return enc;
+            };
+
+            ec.PointFp.decodeFrom = function (curve, enc) {
+                var type = enc[0];
+                var dataLen = enc.length - 1;
+
+                // Extract x and y as byte arrays
+                var xBa = enc.slice(1, 1 + dataLen / 2);
+                var yBa = enc.slice(1 + dataLen / 2, 1 + dataLen);
+
+                // Prepend zero byte to prevent interpretation as negative integer
+                xBa.unshift(0);
+                yBa.unshift(0);
+
+                // Convert to BigIntegers
+                var x = new BigInteger(xBa);
+                var y = new BigInteger(yBa);
+
+                // Return point
+                return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
+            };
+
+            ec.PointFp.prototype.add2D = function (b) {
+                if (this.isInfinity()) return b;
+                if (b.isInfinity()) return this;
+
+                if (this.x.equals(b.x)) {
+                    if (this.y.equals(b.y)) {
+                        // this = b, i.e. this must be doubled
+                        return this.twice();
+                    }
+                    // this = -b, i.e. the result is the point at infinity
+                    return this.curve.getInfinity();
+                }
+
+                var x_x = b.x.subtract(this.x);
+                var y_y = b.y.subtract(this.y);
+                var gamma = y_y.divide(x_x);
+
+                var x3 = gamma.square().subtract(this.x).subtract(b.x);
+                var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
+
+                return new ec.PointFp(this.curve, x3, y3);
+            };
+
+            ec.PointFp.prototype.twice2D = function () {
+                if (this.isInfinity()) return this;
+                if (this.y.toBigInteger().signum() == 0) {
+                    // if y1 == 0, then (x1, y1) == (x1, -y1)
+                    // and hence this = -this and thus 2(x1, y1) == infinity
+                    return this.curve.getInfinity();
+                }
+
+                var TWO = this.curve.fromBigInteger(BigInteger.valueOf(2));
+                var THREE = this.curve.fromBigInteger(BigInteger.valueOf(3));
+                var gamma = this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO));
+
+                var x3 = gamma.square().subtract(this.x.multiply(TWO));
+                var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
+
+                return new ec.PointFp(this.curve, x3, y3);
+            };
+
+            ec.PointFp.prototype.multiply2D = function (k) {
+                if (this.isInfinity()) return this;
+                if (k.signum() == 0) return this.curve.getInfinity();
+
+                var e = k;
+                var h = e.multiply(new BigInteger("3"));
+
+                var neg = this.negate();
+                var R = this;
+
+                var i;
+                for (i = h.bitLength() - 2; i > 0; --i) {
+                    R = R.twice();
+
+                    var hBit = h.testBit(i);
+                    var eBit = e.testBit(i);
+
+                    if (hBit != eBit) {
+                        R = R.add2D(hBit ? this : neg);
+                    }
+                }
+
+                return R;
+            };
+
+            ec.PointFp.prototype.isOnCurve = function () {
+                var x = this.getX().toBigInteger();
+                var y = this.getY().toBigInteger();
+                var a = this.curve.getA().toBigInteger();
+                var b = this.curve.getB().toBigInteger();
+                var n = this.curve.getQ();
+                var lhs = y.multiply(y).mod(n);
+                var rhs = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n);
+                return lhs.equals(rhs);
+            };
+
+            ec.PointFp.prototype.toString = function () {
+                return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() +
+                    ')';
+            };
+
+            /**
+             * Validate an elliptic curve point.
+             *
+             * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
+             */
+            ec.PointFp.prototype.validate = function () {
+                var n = this.curve.getQ();
+
+                // Check Q != O
+                if (this.isInfinity()) {
+                    throw new Error("Point is at infinity.");
+                }
+
+                // Check coordinate bounds
+                var x = this.getX().toBigInteger();
+                var y = this.getY().toBigInteger();
+                if (x.compareTo(BigInteger.ONE) < 0 || x.compareTo(n.subtract(BigInteger.ONE)) > 0) {
+                    throw new Error('x coordinate out of bounds');
+                }
+                if (y.compareTo(BigInteger.ONE) < 0 || y.compareTo(n.subtract(BigInteger.ONE)) > 0) {
+                    throw new Error('y coordinate out of bounds');
+                }
+
+                // Check y^2 = x^3 + ax + b (mod n)
+                if (!this.isOnCurve()) {
+                    throw new Error("Point is not on the curve.");
+                }
+
+                // Check nQ = 0 (Q is a scalar multiple of G)
+                if (this.multiply(n).isInfinity()) {
+                    // TODO: This check doesn't work - fix.
+                    throw new Error("Point is not a scalar multiple of G.");
+                }
+
+                return true;
+            };
+
+
+
+
+            // ----------------
+            // ECCurveFp constructor
+            ec.CurveFp = function (q, a, b) {
+                this.q = q;
+                this.a = this.fromBigInteger(a);
+                this.b = this.fromBigInteger(b);
+                this.infinity = new ec.PointFp(this, null, null);
+                this.reducer = new Barrett(this.q);
+            }
+
+            ec.CurveFp.prototype.getQ = function () {
+                return this.q;
+            };
+
+            ec.CurveFp.prototype.getA = function () {
+                return this.a;
+            };
+
+            ec.CurveFp.prototype.getB = function () {
+                return this.b;
+            };
+
+            ec.CurveFp.prototype.equals = function (other) {
+                if (other == this) return true;
+                return (this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b));
+            };
+
+            ec.CurveFp.prototype.getInfinity = function () {
+                return this.infinity;
+            };
+
+            ec.CurveFp.prototype.fromBigInteger = function (x) {
+                return new ec.FieldElementFp(this.q, x);
+            };
+
+            ec.CurveFp.prototype.reduce = function (x) {
+                this.reducer.reduce(x);
+            };
+
+            // for now, work with hex strings because they're easier in JS
+            // compressed support added by bitaddress.org
+            ec.CurveFp.prototype.decodePointHex = function (s) {
+                var firstByte = parseInt(s.substr(0, 2), 16);
+                switch (firstByte) { // first byte
+                    case 0:
+                        return this.infinity;
+                    case 2: // compressed
+                    case 3: // compressed
+                        var yTilde = firstByte & 1;
+                        var xHex = s.substr(2, s.length - 2);
+                        var X1 = new BigInteger(xHex, 16);
+                        return this.decompressPoint(yTilde, X1);
+                    case 4: // uncompressed
+                    case 6: // hybrid
+                    case 7: // hybrid
+                        var len = (s.length - 2) / 2;
+                        var xHex = s.substr(2, len);
+                        var yHex = s.substr(len + 2, len);
+
+                        return new ec.PointFp(this,
+                            this.fromBigInteger(new BigInteger(xHex, 16)),
+                            this.fromBigInteger(new BigInteger(yHex, 16)));
+
+                    default: // unsupported
+                        return null;
+                }
+            };
+
+            ec.CurveFp.prototype.encodePointHex = function (p) {
+                if (p.isInfinity()) return "00";
+                var xHex = p.getX().toBigInteger().toString(16);
+                var yHex = p.getY().toBigInteger().toString(16);
+                var oLen = this.getQ().toString(16).length;
+                if ((oLen % 2) != 0) oLen++;
+                while (xHex.length < oLen) {
+                    xHex = "0" + xHex;
+                }
+                while (yHex.length < oLen) {
+                    yHex = "0" + yHex;
+                }
+                return "04" + xHex + yHex;
+            };
+
+            /*
+             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+             * Ported to JavaScript by bitaddress.org
+             *
+             * Number yTilde
+             * BigInteger X1
+             */
+            ec.CurveFp.prototype.decompressPoint = function (yTilde, X1) {
+                var x = this.fromBigInteger(X1);
+                var alpha = x.multiply(x.square().add(this.getA())).add(this.getB());
+                var beta = alpha.sqrt();
+                // if we can't find a sqrt we haven't got a point on the curve - run!
+                if (beta == null) throw new Error("Invalid point compression");
+                var betaValue = beta.toBigInteger();
+                var bit0 = betaValue.testBit(0) ? 1 : 0;
+                if (bit0 != yTilde) {
+                    // Use the other root
+                    beta = this.fromBigInteger(this.getQ().subtract(betaValue));
+                }
+                return new ec.PointFp(this, x, beta, null, true);
+            };
+
+
+            ec.fromHex = function (s) {
+                return new BigInteger(s, 16);
+            };
+
+            ec.integerToBytes = function (i, len) {
+                var bytes = i.toByteArrayUnsigned();
+                if (len < bytes.length) {
+                    bytes = bytes.slice(bytes.length - len);
+                } else
+                    while (len > bytes.length) {
+                        bytes.unshift(0);
+                    }
+                return bytes;
+            };
+
+
+            // Named EC curves
+            // ----------------
+            // X9ECParameters constructor
+            ec.X9Parameters = function (curve, g, n, h) {
+                this.curve = curve;
+                this.g = g;
+                this.n = n;
+                this.h = h;
+            }
+            ec.X9Parameters.prototype.getCurve = function () {
+                return this.curve;
+            };
+            ec.X9Parameters.prototype.getG = function () {
+                return this.g;
+            };
+            ec.X9Parameters.prototype.getN = function () {
+                return this.n;
+            };
+            ec.X9Parameters.prototype.getH = function () {
+                return this.h;
+            };
+
+            // secp256k1 is the Curve used by Bitcoin
+            ec.secNamedCurves = {
+                // used by Bitcoin
+                "secp256k1": function () {
+                    // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
+                    var p = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
+                    var a = BigInteger.ZERO;
+                    var b = ec.fromHex("7");
+                    var n = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");
+                    var h = BigInteger.ONE;
+                    var curve = new ec.CurveFp(p, a, b);
+                    var G = curve.decodePointHex("04" +
+                        "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" +
+                        "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");
+                    return new ec.X9Parameters(curve, G, n, h);
+                }
+            };
+
+            // secp256k1 called by Bitcoin's ECKEY
+            ec.getSECCurveByName = function (name) {
+                if (ec.secNamedCurves[name] == undefined) return null;
+                return ec.secNamedCurves[name]();
+            }
+        })();
+
+
+        //bitTrx.js
+        (function () {
+
+            var bitjs = window.bitjs = function () {};
+
+            /* public vars */
+            bitjs.pub = 0x23; // flochange - changed the prefix to FLO Mainnet PublicKey Prefix 0x23
+            bitjs.priv = 0xa3; //flochange - changed the prefix to FLO Mainnet Private key prefix 0xa3
+            bitjs.compressed = false;
+
+            /* provide a privkey and return an WIF  */
+            bitjs.privkey2wif = function (h) {
+                var r = Crypto.util.hexToBytes(h);
+
+                if (bitjs.compressed == true) {
+                    r.push(0x01);
+                }
+
+                r.unshift(bitjs.priv);
+                var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                var checksum = hash.slice(0, 4);
+
+                return B58.encode(r.concat(checksum));
+            }
+
+            /* convert a wif key back to a private key */
+            bitjs.wif2privkey = function (wif) {
+                var compressed = false;
+                var decode = B58.decode(wif);
+                var key = decode.slice(0, decode.length - 4);
+                key = key.slice(1, key.length);
+                if (key.length >= 33 && key[key.length - 1] == 0x01) {
+                    key = key.slice(0, key.length - 1);
+                    compressed = true;
+                }
+                return {
+                    'privkey': Crypto.util.bytesToHex(key),
+                    'compressed': compressed
+                };
+            }
+
+            /* convert a wif to a pubkey */
+            bitjs.wif2pubkey = function (wif) {
+                var compressed = bitjs.compressed;
+                var r = bitjs.wif2privkey(wif);
+                bitjs.compressed = r['compressed'];
+                var pubkey = bitjs.newPubkey(r['privkey']);
+                bitjs.compressed = compressed;
+                return {
+                    'pubkey': pubkey,
+                    'compressed': r['compressed']
+                };
+            }
+
+            /* convert a wif to a address */
+            bitjs.wif2address = function (wif) {
+                var r = bitjs.wif2pubkey(wif);
+                return {
+                    'address': bitjs.pubkey2address(r['pubkey']),
+                    'compressed': r['compressed']
+                };
+            }
+
+            /* generate a public key from a private key */
+            bitjs.newPubkey = function (hash) {
+                var privateKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(hash));
+                var curve = EllipticCurve.getSECCurveByName("secp256k1");
+
+                var curvePt = curve.getG().multiply(privateKeyBigInt);
+                var x = curvePt.getX().toBigInteger();
+                var y = curvePt.getY().toBigInteger();
+
+                var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
+                publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
+                publicKeyBytes.unshift(0x04);
+
+                if (bitjs.compressed == true) {
+                    var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
+                    if (y.isEven()) {
+                        publicKeyBytesCompressed.unshift(0x02)
+                    } else {
+                        publicKeyBytesCompressed.unshift(0x03)
+                    }
+                    return Crypto.util.bytesToHex(publicKeyBytesCompressed);
+                } else {
+                    return Crypto.util.bytesToHex(publicKeyBytes);
+                }
+            }
+
+            /* provide a public key and return address */
+            bitjs.pubkey2address = function (h, byte) {
+                var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
+                    asBytes: true
+                }));
+                r.unshift(byte || bitjs.pub);
+                var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                var checksum = hash.slice(0, 4);
+                return B58.encode(r.concat(checksum));
+            }
+
+            bitjs.transaction = function () {
+                var btrx = {};
+                btrx.version = 2; //flochange look at this version
+                btrx.inputs = [];
+                btrx.outputs = [];
+                btrx.locktime = 0;
+                btrx.floData = ""; //flochange .. look at this
+
+
+                btrx.addinput = function (txid, index, scriptPubKey, sequence) {
+                    var o = {};
+                    o.outpoint = {
+                        'hash': txid,
+                        'index': index
+                    };
+                    //o.script = []; Signature and Public Key should be added after singning
+                    o.script = Crypto.util.hexToBytes(scriptPubKey); //push previous output pubkey script
+                    o.sequence = sequence || ((btrx.locktime == 0) ? 4294967295 : 0);
+                    return this.inputs.push(o);
+                }
+
+                btrx.addoutput = function (address, value) {
+                    var o = {};
+                    var buf = [];
+                    var addrDecoded = btrx.addressDecode(address);
+                    o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
+                    buf.push(118); //OP_DUP
+                    buf.push(169); //OP_HASH160
+                    buf.push(addrDecoded.length);
+                    buf = buf.concat(addrDecoded); // address in bytes
+                    buf.push(136); //OP_EQUALVERIFY
+                    buf.push(172); //  OP_CHECKSIG
+                    o.script = buf;
+                    return this.outputs.push(o);
+                }
+
+
+                btrx.addflodata = function (txcomments) { // flochange - this whole function needs to be done
+                    this.floData = txcomments;
+                    return this.floData; //flochange .. returning the txcomments -- check if the function return will assign
+                }
+
+
+                // Only standard addresses
+                btrx.addressDecode = function (address) {
+                    var bytes = B58.decode(address);
+                    var front = bytes.slice(0, bytes.length - 4);
+                    var back = bytes.slice(bytes.length - 4);
+                    var checksum = Crypto.SHA256(Crypto.SHA256(front, {
+                        asBytes: true
+                    }), {
+                        asBytes: true
+                    }).slice(0, 4);
+                    if (checksum + "" == back + "") {
+                        return front.slice(1);
+                    }
+                }
+
+                /* generate the transaction hash to sign from a transaction input */
+                btrx.transactionHash = function (index, sigHashType) {
+
+                    var clone = bitjs.clone(this);
+                    var shType = sigHashType || 1;
+
+                    /* black out all other ins, except this one */
+                    for (var i = 0; i < clone.inputs.length; i++) {
+                        if (index != i) {
+                            clone.inputs[i].script = [];
+                        }
+                    }
+
+
+                    if ((clone.inputs) && clone.inputs[index]) {
+
+                        /* SIGHASH : For more info on sig hashs see https://en.bitcoin.it/wiki/OP_CHECKSIG
+                            and https://bitcoin.org/en/developer-guide#signature-hash-type */
+
+                        if (shType == 1) {
+                            //SIGHASH_ALL 0x01
+
+                        } else if (shType == 2) {
+                            //SIGHASH_NONE 0x02
+                            clone.outputs = [];
+                            for (var i = 0; i < clone.inputs.length; i++) {
+                                if (index != i) {
+                                    clone.inputs[i].sequence = 0;
+                                }
+                            }
+
+                        } else if (shType == 3) {
+
+                            //SIGHASH_SINGLE 0x03
+                            clone.outputs.length = index + 1;
+
+                            for (var i = 0; i < index; i++) {
+                                clone.outputs[i].value = -1;
+                                clone.outputs[i].script = [];
+                            }
+
+                            for (var i = 0; i < clone.inputs.length; i++) {
+                                if (index != i) {
+                                    clone.inputs[i].sequence = 0;
+                                }
+                            }
+
+                        } else if (shType >= 128) {
+                            //SIGHASH_ANYONECANPAY 0x80
+                            clone.inputs = [clone.inputs[index]];
+
+                            if (shType == 129) {
+                                // SIGHASH_ALL + SIGHASH_ANYONECANPAY
+
+                            } else if (shType == 130) {
+                                // SIGHASH_NONE + SIGHASH_ANYONECANPAY
+                                clone.outputs = [];
+
+                            } else if (shType == 131) {
+                                // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
+                                clone.outputs.length = index + 1;
+                                for (var i = 0; i < index; i++) {
+                                    clone.outputs[i].value = -1;
+                                    clone.outputs[i].script = [];
+                                }
+                            }
+                        }
+
+                        var buffer = Crypto.util.hexToBytes(clone.serialize());
+                        buffer = buffer.concat(bitjs.numToBytes(parseInt(shType), 4));
+                        var hash = Crypto.SHA256(buffer, {
+                            asBytes: true
+                        });
+                        var r = Crypto.util.bytesToHex(Crypto.SHA256(hash, {
+                            asBytes: true
+                        }));
+                        return r;
+                    } else {
+                        return false;
+                    }
+                }
+
+                /* generate a signature from a transaction hash */
+                btrx.transactionSig = function (index, wif, sigHashType, txhash) {
+
+                    function serializeSig(r, s) {
+                        var rBa = r.toByteArraySigned();
+                        var sBa = s.toByteArraySigned();
+
+                        var sequence = [];
+                        sequence.push(0x02); // INTEGER
+                        sequence.push(rBa.length);
+                        sequence = sequence.concat(rBa);
+
+                        sequence.push(0x02); // INTEGER
+                        sequence.push(sBa.length);
+                        sequence = sequence.concat(sBa);
+
+                        sequence.unshift(sequence.length);
+                        sequence.unshift(0x30); // SEQUENCE
+
+                        return sequence;
+                    }
+
+                    var shType = sigHashType || 1;
+                    var hash = txhash || Crypto.util.hexToBytes(this.transactionHash(index, shType));
+
+                    if (hash) {
+                        var curve = EllipticCurve.getSECCurveByName("secp256k1");
+                        var key = bitjs.wif2privkey(wif);
+                        var priv = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(key['privkey']));
+                        var n = curve.getN();
+                        var e = BigInteger.fromByteArrayUnsigned(hash);
+                        var badrs = 0
+                        do {
+                            var k = this.deterministicK(wif, hash, badrs);
+                            var G = curve.getG();
+                            var Q = G.multiply(k);
+                            var r = Q.getX().toBigInteger().mod(n);
+                            var s = k.modInverse(n).multiply(e.add(priv.multiply(r))).mod(n);
+                            badrs++
+                        } while (r.compareTo(BigInteger.ZERO) <= 0 || s.compareTo(BigInteger.ZERO) <= 0);
+
+                        // Force lower s values per BIP62
+                        var halfn = n.shiftRight(1);
+                        if (s.compareTo(halfn) > 0) {
+                            s = n.subtract(s);
+                        };
+
+                        var sig = serializeSig(r, s);
+                        sig.push(parseInt(shType, 10));
+
+                        return Crypto.util.bytesToHex(sig);
+                    } else {
+                        return false;
+                    }
+                }
+
+                // https://tools.ietf.org/html/rfc6979#section-3.2
+                btrx.deterministicK = function (wif, hash, badrs) {
+                    // if r or s were invalid when this function was used in signing,
+                    // we do not want to actually compute r, s here for efficiency, so,
+                    // we can increment badrs. explained at end of RFC 6979 section 3.2
+
+                    // wif is b58check encoded wif privkey.
+                    // hash is byte array of transaction digest.
+                    // badrs is used only if the k resulted in bad r or s.
+
+                    // some necessary things out of the way for clarity.
+                    badrs = badrs || 0;
+                    var key = bitjs.wif2privkey(wif);
+                    var x = Crypto.util.hexToBytes(key['privkey'])
+                    var curve = EllipticCurve.getSECCurveByName("secp256k1");
+                    var N = curve.getN();
+
+                    // Step: a
+                    // hash is a byteArray of the message digest. so h1 == hash in our case
+
+                    // Step: b
+                    var v = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+                        1, 1, 1, 1, 1, 1
+                    ];
+
+                    // Step: c
+                    var k = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                        0, 0, 0, 0, 0, 0
+                    ];
+
+                    // Step: d
+                    k = Crypto.HMAC(Crypto.SHA256, v.concat([0]).concat(x).concat(hash), k, {
+                        asBytes: true
+                    });
+
+                    // Step: e
+                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                        asBytes: true
+                    });
+
+                    // Step: f
+                    k = Crypto.HMAC(Crypto.SHA256, v.concat([1]).concat(x).concat(hash), k, {
+                        asBytes: true
+                    });
+
+                    // Step: g
+                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                        asBytes: true
+                    });
+
+                    // Step: h1
+                    var T = [];
+
+                    // Step: h2 (since we know tlen = qlen, just copy v to T.)
+                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                        asBytes: true
+                    });
+                    T = v;
+
+                    // Step: h3
+                    var KBigInt = BigInteger.fromByteArrayUnsigned(T);
+
+                    // loop if KBigInt is not in the range of [1, N-1] or if badrs needs incrementing.
+                    var i = 0
+                    while (KBigInt.compareTo(N) >= 0 || KBigInt.compareTo(BigInteger.ZERO) <= 0 || i <
+                        badrs) {
+                        k = Crypto.HMAC(Crypto.SHA256, v.concat([0]), k, {
+                            asBytes: true
+                        });
+                        v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                            asBytes: true
+                        });
+                        v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                            asBytes: true
+                        });
+                        T = v;
+                        KBigInt = BigInteger.fromByteArrayUnsigned(T);
+                        i++
+                    };
+
+                    return KBigInt;
+                };
+
+                /* sign a "standard" input */
+                btrx.signinput = function (index, wif, sigHashType) {
+                    var key = bitjs.wif2pubkey(wif);
+                    var shType = sigHashType || 1;
+                    var signature = this.transactionSig(index, wif, shType);
+                    var buf = [];
+                    var sigBytes = Crypto.util.hexToBytes(signature);
+                    buf.push(sigBytes.length);
+                    buf = buf.concat(sigBytes);
+                    var pubKeyBytes = Crypto.util.hexToBytes(key['pubkey']);
+                    buf.push(pubKeyBytes.length);
+                    buf = buf.concat(pubKeyBytes);
+                    this.inputs[index].script = buf;
+                    return true;
+                }
+
+                /* sign inputs */
+                btrx.sign = function (wif, sigHashType) {
+                    var shType = sigHashType || 1;
+                    for (var i = 0; i < this.inputs.length; i++) {
+                        this.signinput(i, wif, shType);
+                    }
+                    return this.serialize();
+                }
+
+
+                /* serialize a transaction */
+                btrx.serialize = function () {
+                    var buffer = [];
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.version), 4));
+
+                    buffer = buffer.concat(bitjs.numToVarInt(this.inputs.length));
+                    for (var i = 0; i < this.inputs.length; i++) {
+                        var txin = this.inputs[i];
+                        buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
+                        buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.outpoint.index), 4));
+                        var scriptBytes = txin.script;
+                        buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
+                        buffer = buffer.concat(scriptBytes);
+                        buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.sequence), 4));
+
+                    }
+                    buffer = buffer.concat(bitjs.numToVarInt(this.outputs.length));
+
+                    for (var i = 0; i < this.outputs.length; i++) {
+                        var txout = this.outputs[i];
+                        buffer = buffer.concat(bitjs.numToBytes(txout.value, 8));
+                        var scriptBytes = txout.script;
+                        buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
+                        buffer = buffer.concat(scriptBytes);
+                    }
+
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime),4));
+                    flohex = ascii_to_hexa(this.floData);
+                    floDataCount = this.floData.length;
+
+                    //flochange -- creating unique data character count logic for floData. This string is prefixed before actual floData string in Raw Transaction
+                    if (floDataCount <= 16) {
+                                  floDataCountString = floDataCount.toString(16);
+                                  floDataCountString = "0"+ floDataCountString;
+                    } else if (floDataCount < 253) {
+                                  floDataCountString = floDataCount.toString(16);
+                    } else if (floDataCount <= 1023) {
+                                  floDataCountAdjusted = (floDataCount - 253) +  parseInt("0xfd00fd");
+                                  floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
+                                  floDataCountString = floDataCountStringAdjusted.substr(0,2)+ floDataCountStringAdjusted.substr(4,2)+ floDataCountStringAdjusted.substr(2,2);
+                    } else {
+                                  floDataCountString = "Character Limit Exceeded";
+                              }
+
+
+                    return Crypto.util.bytesToHex(buffer)+floDataCountString+flohex;    // flochange -- Addition of floDataCountString and floData in serialization
+                }
+
+
+
+                return btrx;
+
+            }
+
+            bitjs.numToBytes = function (num, bytes) {
+                if (typeof bytes === "undefined") bytes = 8;
+                if (bytes == 0) {
+                    return [];
+                } else if (num == -1) {
+                    return Crypto.util.hexToBytes("ffffffffffffffff");
+                } else {
+                    return [num % 256].concat(bitjs.numToBytes(Math.floor(num / 256), bytes - 1));
+                }
+            }
+
+            bitjs.numToByteArray = function (num) {
+                if (num <= 256) {
+                    return [num];
+                } else {
+                    return [num % 256].concat(bitjs.numToByteArray(Math.floor(num / 256)));
+                }
+            }
+
+            bitjs.numToVarInt = function (num) {
+                if (num < 253) {
+                    return [num];
+                } else if (num < 65536) {
+                    return [253].concat(bitjs.numToBytes(num, 2));
+                } else if (num < 4294967296) {
+                    return [254].concat(bitjs.numToBytes(num, 4));
+                } else {
+                    return [255].concat(bitjs.numToBytes(num, 8));
+                }
+            }
+
+            bitjs.bytesToNum = function (bytes) {
+                if (bytes.length == 0) return 0;
+                else return bytes[0] + 256 * bitjs.bytesToNum(bytes.slice(1));
+            }
+
+            /* clone an object */
+            bitjs.clone = function (obj) {
+                if (obj == null || typeof (obj) != 'object') return obj;
+                var temp = new obj.constructor();
+
+                for (var key in obj) {
+                    if (obj.hasOwnProperty(key)) {
+                        temp[key] = bitjs.clone(obj[key]);
+                    }
+                }
+                return temp;
+            }
+
+            var B58 = bitjs.Base58 = {
+                alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
+                validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
+                base: BigInteger.valueOf(58),
+
+                /**
+                 * Convert a byte array to a base58-encoded string.
+                 *
+                 * Written by Mike Hearn for BitcoinJ.
+                 *   Copyright (c) 2011 Google Inc.
+                 *
+                 * Ported to JavaScript by Stefan Thomas.
+                 */
+                encode: function (input) {
+                    var bi = BigInteger.fromByteArrayUnsigned(input);
+                    var chars = [];
+
+                    while (bi.compareTo(B58.base) >= 0) {
+                        var mod = bi.mod(B58.base);
+                        chars.unshift(B58.alphabet[mod.intValue()]);
+                        bi = bi.subtract(mod).divide(B58.base);
+                    }
+                    chars.unshift(B58.alphabet[bi.intValue()]);
+
+                    // Convert leading zeros too.
+                    for (var i = 0; i < input.length; i++) {
+                        if (input[i] == 0x00) {
+                            chars.unshift(B58.alphabet[0]);
+                        } else break;
+                    }
+
+                    return chars.join('');
+                },
+
+                /**
+                 * Convert a base58-encoded string to a byte array.
+                 *
+                 * Written by Mike Hearn for BitcoinJ.
+                 *   Copyright (c) 2011 Google Inc.
+                 *
+                 * Ported to JavaScript by Stefan Thomas.
+                 */
+                decode: function (input) {
+                    var bi = BigInteger.valueOf(0);
+                    var leadingZerosNum = 0;
+                    for (var i = input.length - 1; i >= 0; i--) {
+                        var alphaIndex = B58.alphabet.indexOf(input[i]);
+                        if (alphaIndex < 0) {
+                            throw "Invalid character";
+                        }
+                        bi = bi.add(BigInteger.valueOf(alphaIndex)
+                            .multiply(B58.base.pow(input.length - 1 - i)));
+
+                        // This counts leading zero bytes
+                        if (input[i] == "1") leadingZerosNum++;
+                        else leadingZerosNum = 0;
+                    }
+                    var bytes = bi.toByteArrayUnsigned();
+
+                    // Add leading zeros
+                    while (leadingZerosNum-- > 0) bytes.unshift(0);
+
+                    return bytes;
+                }
+            }
+            return bitjs;
+
+        })();
+
+
+
+/*
+Copyright (c) 2011 Stefan Thomas
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/1a7fc9d063f864058809d06ef4542af40be3558f/src/bitcoin.js
+(function (exports) {
+    var Bitcoin = exports;
+})(
+    'object' === typeof module ? module.exports : (window.Bitcoin = {})
+);
+
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
+(function (Bitcoin) {
+    Bitcoin.Base58 = {
+        alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
+        validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
+        base: BigInteger.valueOf(58),
+
+        /**
+        * Convert a byte array to a base58-encoded string.
+        *
+        * Written by Mike Hearn for BitcoinJ.
+        *   Copyright (c) 2011 Google Inc.
+        *
+        * Ported to JavaScript by Stefan Thomas.
+        */
+        encode: function (input) {
+            var bi = BigInteger.fromByteArrayUnsigned(input);
+            var chars = [];
+
+            while (bi.compareTo(B58.base) >= 0) {
+                var mod = bi.mod(B58.base);
+                chars.unshift(B58.alphabet[mod.intValue()]);
+                bi = bi.subtract(mod).divide(B58.base);
+            }
+            chars.unshift(B58.alphabet[bi.intValue()]);
+
+            // Convert leading zeros too.
+            for (var i = 0; i < input.length; i++) {
+                if (input[i] == 0x00) {
+                    chars.unshift(B58.alphabet[0]);
+                } else break;
+            }
+
+            return chars.join('');
+        },
+
+        /**
+        * Convert a base58-encoded string to a byte array.
+        *
+        * Written by Mike Hearn for BitcoinJ.
+        *   Copyright (c) 2011 Google Inc.
+        *
+        * Ported to JavaScript by Stefan Thomas.
+        */
+        decode: function (input) {
+            var bi = BigInteger.valueOf(0);
+            var leadingZerosNum = 0;
+            for (var i = input.length - 1; i >= 0; i--) {
+                var alphaIndex = B58.alphabet.indexOf(input[i]);
+                if (alphaIndex < 0) {
+                    throw "Invalid character";
+                }
+                bi = bi.add(BigInteger.valueOf(alphaIndex)
+                                .multiply(B58.base.pow(input.length - 1 - i)));
+
+                // This counts leading zero bytes
+                if (input[i] == "1") leadingZerosNum++;
+                else leadingZerosNum = 0;
+            }
+            var bytes = bi.toByteArrayUnsigned();
+
+            // Add leading zeros
+            while (leadingZerosNum-- > 0) bytes.unshift(0);
+
+            return bytes;
+        }
+    };
+
+    var B58 = Bitcoin.Base58;
+})(
+    'undefined' != typeof Bitcoin ? Bitcoin : module.exports
+);
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
+Bitcoin.Address = function (bytes) {
+    if(floGlobals.blockchain == "FLO")
+        this.version = 0x23; // FLO mainnet public address
+    else if(floGlobals.blockchain == "FLO_TEST")
+        this.version = 0x73; // FLO testnet public address
+    if ("string" == typeof bytes) {
+        bytes = Bitcoin.Address.decodeString(bytes,this.version);
+    }
+    this.hash = bytes;
+};
+
+Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
+
+/**
+* Serialize this object as a standard Bitcoin address.
+*
+* Returns the address as a base58-encoded string in the standardized format.
+*/
+Bitcoin.Address.prototype.toString = function () {
+    // Get a copy of the hash
+    var hash = this.hash.slice(0);
+
+    // Version
+    hash.unshift(this.version);
+    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+    var bytes = hash.concat(checksum.slice(0, 4));
+    return Bitcoin.Base58.encode(bytes);
+};
+
+Bitcoin.Address.prototype.getHashBase64 = function () {
+    return Crypto.util.bytesToBase64(this.hash);
+};
+
+/**
+* Parse a Bitcoin address contained in a string.
+*/
+Bitcoin.Address.decodeString = function (string,version) {
+    var bytes = Bitcoin.Base58.decode(string);
+    var hash = bytes.slice(0, 21);
+    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+
+    if (checksum[0] != bytes[21] ||
+            checksum[1] != bytes[22] ||
+            checksum[2] != bytes[23] ||
+            checksum[3] != bytes[24]) {
+        throw "Checksum validation failed!";
+    }
+
+    if (version != hash.shift()) {
+        throw "Version " + hash.shift() + " not supported!";
+    }
+
+    return hash;
+};
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
+Bitcoin.ECDSA = (function () {
+    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+    var rng = new SecureRandom();
+
+    var P_OVER_FOUR = null;
+
+    function implShamirsTrick(P, k, Q, l) {
+        var m = Math.max(k.bitLength(), l.bitLength());
+        var Z = P.add2D(Q);
+        var R = P.curve.getInfinity();
+
+        for (var i = m - 1; i >= 0; --i) {
+            R = R.twice2D();
+
+            R.z = BigInteger.ONE;
+
+            if (k.testBit(i)) {
+                if (l.testBit(i)) {
+                    R = R.add2D(Z);
+                } else {
+                    R = R.add2D(P);
+                }
+            } else {
+                if (l.testBit(i)) {
+                    R = R.add2D(Q);
+                }
+            }
+        }
+
+        return R;
+    };
+
+    var ECDSA = {
+        getBigRandom: function (limit) {
+            return new BigInteger(limit.bitLength(), rng)
+                .mod(limit.subtract(BigInteger.ONE))
+                .add(BigInteger.ONE);
+        },
+        sign: function (hash, priv) {
+            var d = priv;
+            var n = ecparams.getN();
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+
+            do {
+                var k = ECDSA.getBigRandom(n);
+                var G = ecparams.getG();
+                var Q = G.multiply(k);
+                var r = Q.getX().toBigInteger().mod(n);
+            } while (r.compareTo(BigInteger.ZERO) <= 0);
+
+            var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
+
+            return ECDSA.serializeSig(r, s);
+        },
+
+        verify: function (hash, sig, pubkey) {
+            var r, s;
+            if (Bitcoin.Util.isArray(sig)) {
+                var obj = ECDSA.parseSig(sig);
+                r = obj.r;
+                s = obj.s;
+            } else if ("object" === typeof sig && sig.r && sig.s) {
+                r = sig.r;
+                s = sig.s;
+            } else {
+                throw "Invalid value for signature";
+            }
+
+            var Q;
+            if (pubkey instanceof ec.PointFp) {
+                Q = pubkey;
+            } else if (Bitcoin.Util.isArray(pubkey)) {
+                Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
+            } else {
+                throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
+            }
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+
+            return ECDSA.verifyRaw(e, r, s, Q);
+        },
+
+        verifyRaw: function (e, r, s, Q) {
+            var n = ecparams.getN();
+            var G = ecparams.getG();
+
+            if (r.compareTo(BigInteger.ONE) < 0 ||
+                r.compareTo(n) >= 0)
+                return false;
+
+            if (s.compareTo(BigInteger.ONE) < 0 ||
+                s.compareTo(n) >= 0)
+                return false;
+
+            var c = s.modInverse(n);
+
+            var u1 = e.multiply(c).mod(n);
+            var u2 = r.multiply(c).mod(n);
+
+            // TODO(!!!): For some reason Shamir's trick isn't working with
+            // signed message verification!? Probably an implementation
+            // error!
+            //var point = implShamirsTrick(G, u1, Q, u2);
+            var point = G.multiply(u1).add(Q.multiply(u2));
+
+            var v = point.getX().toBigInteger().mod(n);
+
+            return v.equals(r);
+        },
+
+        /**
+        * Serialize a signature into DER format.
+        *
+        * Takes two BigIntegers representing r and s and returns a byte array.
+        */
+        serializeSig: function (r, s) {
+            var rBa = r.toByteArraySigned();
+            var sBa = s.toByteArraySigned();
+
+            var sequence = [];
+            sequence.push(0x02); // INTEGER
+            sequence.push(rBa.length);
+            sequence = sequence.concat(rBa);
+
+            sequence.push(0x02); // INTEGER
+            sequence.push(sBa.length);
+            sequence = sequence.concat(sBa);
+
+            sequence.unshift(sequence.length);
+            sequence.unshift(0x30); // SEQUENCE
+
+            return sequence;
+        },
+
+        /**
+        * Parses a byte array containing a DER-encoded signature.
+        *
+        * This function will return an object of the form:
+        *
+        * {
+        *   r: BigInteger,
+        *   s: BigInteger
+        * }
+        */
+        parseSig: function (sig) {
+            var cursor;
+            if (sig[0] != 0x30)
+                throw new Error("Signature not a valid DERSequence");
+
+            cursor = 2;
+            if (sig[cursor] != 0x02)
+                throw new Error("First element in signature must be a DERInteger");;
+            var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+            cursor += 2 + sig[cursor + 1];
+            if (sig[cursor] != 0x02)
+                throw new Error("Second element in signature must be a DERInteger");
+            var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+            cursor += 2 + sig[cursor + 1];
+
+            //if (cursor != sig.length)
+            //  throw new Error("Extra bytes in signature");
+
+            var r = BigInteger.fromByteArrayUnsigned(rBa);
+            var s = BigInteger.fromByteArrayUnsigned(sBa);
+
+            return {
+                r: r,
+                s: s
+            };
+        },
+
+        parseSigCompact: function (sig) {
+            if (sig.length !== 65) {
+                throw "Signature has the wrong length";
+            }
+
+            // Signature is prefixed with a type byte storing three bits of
+            // information.
+            var i = sig[0] - 27;
+            if (i < 0 || i > 7) {
+                throw "Invalid signature type";
+            }
+
+            var n = ecparams.getN();
+            var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
+            var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
+
+            return {
+                r: r,
+                s: s,
+                i: i
+            };
+        },
+
+        /**
+        * Recover a public key from a signature.
+        *
+        * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
+        * Key Recovery Operation".
+        *
+        * http://www.secg.org/download/aid-780/sec1-v2.pdf
+        */
+        recoverPubKey: function (r, s, hash, i) {
+            // The recovery parameter i has two bits.
+            i = i & 3;
+
+            // The less significant bit specifies whether the y coordinate
+            // of the compressed point is even or not.
+            var isYEven = i & 1;
+
+            // The more significant bit specifies whether we should use the
+            // first or second candidate key.
+            var isSecondKey = i >> 1;
+
+            var n = ecparams.getN();
+            var G = ecparams.getG();
+            var curve = ecparams.getCurve();
+            var p = curve.getQ();
+            var a = curve.getA().toBigInteger();
+            var b = curve.getB().toBigInteger();
+
+            // We precalculate (p + 1) / 4 where p is if the field order
+            if (!P_OVER_FOUR) {
+                P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
+            }
+
+            // 1.1 Compute x
+            var x = isSecondKey ? r.add(n) : r;
+
+            // 1.3 Convert x to point
+            var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
+            var beta = alpha.modPow(P_OVER_FOUR, p);
+
+            var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
+            // If beta is even, but y isn't or vice versa, then convert it,
+            // otherwise we're done and y == beta.
+            var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
+
+            // 1.4 Check that nR is at infinity
+            var R = new EllipticCurve.PointFp(curve,
+                curve.fromBigInteger(x),
+                curve.fromBigInteger(y));
+            R.validate();
+
+            // 1.5 Compute e from M
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+            var eNeg = BigInteger.ZERO.subtract(e).mod(n);
+
+            // 1.6 Compute Q = r^-1 (sR - eG)
+            var rInv = r.modInverse(n);
+            var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
+
+            Q.validate();
+            if (!ECDSA.verifyRaw(e, r, s, Q)) {
+                throw "Pubkey recovery unsuccessful";
+            }
+
+            var pubKey = new Bitcoin.ECKey();
+            pubKey.pub = Q;
+            return pubKey;
+        },
+
+        /**
+        * Calculate pubkey extraction parameter.
+        *
+        * When extracting a pubkey from a signature, we have to
+        * distinguish four different cases. Rather than putting this
+        * burden on the verifier, Bitcoin includes a 2-bit value with the
+        * signature.
+        *
+        * This function simply tries all four cases and returns the value
+        * that resulted in a successful pubkey recovery.
+        */
+        calcPubkeyRecoveryParam: function (address, r, s, hash) {
+            for (var i = 0; i < 4; i++) {
+                try {
+                    var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
+                    if (pubkey.getBitcoinAddress().toString() == address) {
+                        return i;
+                    }
+                } catch (e) {}
+            }
+            throw "Unable to find valid recovery factor";
+        }
+    };
+
+    return ECDSA;
+})();
+Bitcoin.KeyPool = (function () {
+    var KeyPool = function () {
+        this.keyArray = [];
+
+        this.push = function (item) {
+            if (item == null || item.priv == null) return;
+            var doAdd = true;
+            // prevent duplicates from being added to the array
+            for (var index in this.keyArray) {
+                var currentItem = this.keyArray[index];
+                if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
+                    doAdd = false;
+                    break;
+                }
+            }
+            if (doAdd) this.keyArray.push(item);
+        };
+
+        this.reset = function () {
+            this.keyArray = [];
+        };
+
+        this.getArray = function () {
+            // copy array
+            return this.keyArray.slice(0);
+        };
+
+        this.setArray = function (ka) {
+            this.keyArray = ka;
+        };
+
+        this.length = function () {
+            return this.keyArray.length;
+        };
+
+        this.toString = function () {
+            var keyPoolString = "# = " + this.length() + "\n";
+            var pool = this.getArray();
+            for (var index in pool) {
+                var item = pool[index];
+                if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
+                    if (item != null) {
+                        keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
+                    }
+                }
+            }
+
+            return keyPoolString;
+        };
+
+        return this;
+    };
+
+    return new KeyPool();
+})();
+
+Bitcoin.Bip38Key = (function () {
+    var Bip38 = function (address, encryptedKey) {
+        this.address = address;
+        this.priv = encryptedKey;
+    };
+
+    Bip38.prototype.getBitcoinAddress = function () {
+        return this.address;
+    };
+
+    Bip38.prototype.toString = function () {
+        return this.priv;
+    };
+
+    return Bip38;
+})();
+
+//https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
+Bitcoin.ECKey = (function () {
+    var ECDSA = Bitcoin.ECDSA;
+    var KeyPool = Bitcoin.KeyPool;
+    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+
+    var ECKey = function (input) {
+        if (!input) {
+            // Generate new key
+            var n = ecparams.getN();
+            this.priv = ECDSA.getBigRandom(n);
+        } else if (input instanceof BigInteger) {
+            // Input is a private key value
+            this.priv = input;
+        } else if (Bitcoin.Util.isArray(input)) {
+            // Prepend zero byte to prevent interpretation as negative integer
+            this.priv = BigInteger.fromByteArrayUnsigned(input);
+        } else if ("string" == typeof input) {
+            var bytes = null;
+            try{
+
+            // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
+                if(((floGlobals.blockchain == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
+                    ((floGlobals.blockchain == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
+                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                    this.compressed = true;
+                }else if (ECKey.isHexFormat(input)) {
+                    bytes = Crypto.util.hexToBytes(input);
+                }
+
+
+            /*
+                if (ECKey.isWalletImportFormat(input)) {
+                    bytes = ECKey.decodeWalletImportFormat(input);
+                } else if (ECKey.isCompressedWalletImportFormat(input)) {
+                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                    this.compressed = true;
+                } else if (ECKey.isMiniFormat(input)) {
+                    bytes = Crypto.SHA256(input, { asBytes: true });
+                } else if (ECKey.isHexFormat(input)) {
+                    bytes = Crypto.util.hexToBytes(input);
+                } else if (ECKey.isBase64Format(input)) {
+                    bytes = Crypto.util.base64ToBytes(input);
+                }
+                */
+            } catch (exc1) {
+                this.setError(exc1);
+            }
+
+            if (ECKey.isBase6Format(input)) {
+                this.priv = new BigInteger(input, 6);
+            } else if (bytes == null || bytes.length != 32) {
+                this.priv = null;
+            } else {
+                // Prepend zero byte to prevent interpretation as negative integer
+                this.priv = BigInteger.fromByteArrayUnsigned(bytes);
+            }
+        }
+
+        this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
+        try {
+            // check not zero
+            if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
+            // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
+            var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
+            var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
+            var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
+            if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
+
+            if (this.priv != null) {
+                KeyPool.push(this);
+            }
+        } catch (exc2) {
+            this.setError(exc2);
+        }
+    };
+
+    if(floGlobals.blockchain == "FLO")
+        ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
+    else if(floGlobals.blockchain == "FLO_TEST")
+        ECKey.privateKeyPrefix = 0xEF; //FLO testnet
+
+    /**
+    * Whether public keys should be returned compressed by default.
+    */
+    ECKey.compressByDefault = false;
+
+    /**
+    * Set whether the public key should be returned compressed or not.
+    */
+    ECKey.prototype.setError = function (err) {
+        this.error = err;
+        this.priv = null;
+        return this;
+    };
+
+    /**
+    * Set whether the public key should be returned compressed or not.
+    */
+    ECKey.prototype.setCompressed = function (v) {
+        this.compressed = !!v;
+        if (this.pubPoint) this.pubPoint.compressed = this.compressed;
+        return this;
+    };
+
+    /*
+    * Return public key as a byte array in DER encoding
+    */
+    ECKey.prototype.getPub = function () {
+        if (this.compressed) {
+            if (this.pubComp) return this.pubComp;
+            return this.pubComp = this.getPubPoint().getEncoded(1);
+        } else {
+            if (this.pubUncomp) return this.pubUncomp;
+            return this.pubUncomp = this.getPubPoint().getEncoded(0);
+        }
+    };
+
+    /**
+    * Return public point as ECPoint object.
+    */
+    ECKey.prototype.getPubPoint = function () {
+        if (!this.pubPoint) {
+            this.pubPoint = ecparams.getG().multiply(this.priv);
+            this.pubPoint.compressed = this.compressed;
+        }
+        return this.pubPoint;
+    };
+
+    ECKey.prototype.getPubKeyHex = function () {
+        if (this.compressed) {
+            if (this.pubKeyHexComp) return this.pubKeyHexComp;
+            return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+        } else {
+            if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
+            return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+        }
+    };
+
+    /**
+    * Get the pubKeyHash for this key.
+    *
+    * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
+    * a byte array.
+    */
+    ECKey.prototype.getPubKeyHash = function () {
+        if (this.compressed) {
+            if (this.pubKeyHashComp) return this.pubKeyHashComp;
+            return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
+        } else {
+            if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
+            return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
+        }
+    };
+
+    ECKey.prototype.getBitcoinAddress = function () {
+        var hash = this.getPubKeyHash();
+        var addr = new Bitcoin.Address(hash);
+        return addr.toString();
+    };
+
+    /*
+    * Takes a public point as a hex string or byte array
+    */
+    ECKey.prototype.setPub = function (pub) {
+        // byte array
+        if (Bitcoin.Util.isArray(pub)) {
+            pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
+        }
+        var ecPoint = ecparams.getCurve().decodePointHex(pub);
+        this.setCompressed(ecPoint.compressed);
+        this.pubPoint = ecPoint;
+        return this;
+    };
+
+    // Sipa Private Key Wallet Import Format
+    ECKey.prototype.getBitcoinWalletImportFormat = function () {
+        var bytes = this.getBitcoinPrivateKeyByteArray();
+        if (bytes == null) return "";
+        bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
+        if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
+        var checksum = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
+        bytes = bytes.concat(checksum.slice(0, 4));
+        var privWif = Bitcoin.Base58.encode(bytes);
+        return privWif;
+    };
+
+    // Private Key Hex Format
+    ECKey.prototype.getBitcoinHexFormat = function () {
+        return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
+    };
+
+    // Private Key Base64 Format
+    ECKey.prototype.getBitcoinBase64Format = function () {
+        return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
+    };
+
+    ECKey.prototype.getBitcoinPrivateKeyByteArray = function () {
+        if (this.priv == null) return null;
+        // Get a copy of private key as a byte array
+        var bytes = this.priv.toByteArrayUnsigned();
+        // zero pad if private key is less than 32 bytes
+        while (bytes.length < 32) bytes.unshift(0x00);
+        return bytes;
+    };
+
+    ECKey.prototype.toString = function (format) {
+        format = format || "";
+        if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
+            return this.getBitcoinBase64Format();
+        }
+        // Wallet Import Format
+        else if (format.toString().toLowerCase() == "wif") {
+            return this.getBitcoinWalletImportFormat();
+        }
+        else {
+            return this.getBitcoinHexFormat();
+        }
+    };
+
+    ECKey.prototype.sign = function (hash) {
+        return ECDSA.sign(hash, this.priv);
+    };
+
+    ECKey.prototype.verify = function (hash, sig) {
+        return ECDSA.verify(hash, sig, this.getPub());
+    };
+
+    /**
+    * Parse a wallet import format private key contained in a string.
+    */
+    ECKey.decodeWalletImportFormat = function (privStr) {
+        var bytes = Bitcoin.Base58.decode(privStr);
+        var hash = bytes.slice(0, 33);
+        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+        if (checksum[0] != bytes[33] ||
+                    checksum[1] != bytes[34] ||
+                    checksum[2] != bytes[35] ||
+                    checksum[3] != bytes[36]) {
+            throw "Checksum validation failed!";
+
+        }
+        var version = hash.shift();
+        if (version != ECKey.privateKeyPrefix) {
+            throw "Version " + version + " not supported!";
+        }
+        return hash;
+    };
+
+    /**
+    * Parse a compressed wallet import format private key contained in a string.
+    */
+    ECKey.decodeCompressedWalletImportFormat = function (privStr) {
+        var bytes = Bitcoin.Base58.decode(privStr);
+        var hash = bytes.slice(0, 34);
+        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+        if (checksum[0] != bytes[34] ||
+                    checksum[1] != bytes[35] ||
+                    checksum[2] != bytes[36] ||
+                    checksum[3] != bytes[37]) {
+            throw "Checksum validation failed!";
+        }
+        var version = hash.shift();
+        if (version != ECKey.privateKeyPrefix) {
+            throw "Version " + version + " not supported!";
+        }
+        hash.pop();
+        return hash;
+    };
+
+    // 64 characters [0-9A-F]
+    ECKey.isHexFormat = function (key) {
+        key = key.toString();
+        return /^[A-Fa-f0-9]{64}$/.test(key);
+    };
+
+    // 51 characters base58, always starts with a '5'
+    ECKey.isWalletImportFormat = function (key) {
+        key = key.toString();
+        return (ECKey.privateKeyPrefix == 0x80) ?
+                            (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
+                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
+    };
+
+    // 52 characters base58
+    ECKey.isCompressedWalletImportFormat = function (key) {
+        key = key.toString();
+        return (ECKey.privateKeyPrefix == 0x80) ?
+                            (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
+                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
+    };
+
+    // 44 characters
+    ECKey.isBase64Format = function (key) {
+        key = key.toString();
+        return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
+    };
+
+    // 99 characters, 1=1, if using dice convert 6 to 0
+    ECKey.isBase6Format = function (key) {
+        key = key.toString();
+        return (/^[012345]{99}$/.test(key));
+    };
+
+    // 22, 26 or 30 characters, always starts with an 'S'
+    ECKey.isMiniFormat = function (key) {
+        key = key.toString();
+        var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
+        var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
+        var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
+        var testBytes = Crypto.SHA256(key + "?", { asBytes: true });
+
+        return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
+    };
+
+    return ECKey;
+})();
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
+// Bitcoin utility functions
+Bitcoin.Util = {
+    /**
+    * Cross-browser compatibility version of Array.isArray.
+    */
+    isArray: Array.isArray || function (o) {
+        return Object.prototype.toString.call(o) === '[object Array]';
+    },
+    /**
+    * Create an array of a certain length filled with a specific value.
+    */
+    makeFilledArray: function (len, val) {
+        var array = [];
+        var i = 0;
+        while (i < len) {
+            array[i++] = val;
+        }
+        return array;
+    },
+    /**
+    * Turn an integer into a "var_int".
+    *
+    * "var_int" is a variable length integer used by Bitcoin's binary format.
+    *
+    * Returns a byte array.
+    */
+    numToVarInt: function (i) {
+        if (i < 0xfd) {
+            // unsigned char
+            return [i];
+        } else if (i <= 1 << 16) {
+            // unsigned short (LE)
+            return [0xfd, i >>> 8, i & 255];
+        } else if (i <= 1 << 32) {
+            // unsigned int (LE)
+            return [0xfe].concat(Crypto.util.wordsToBytes([i]));
+        } else {
+            // unsigned long long (LE)
+            return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
+        }
+    },
+    /**
+    * Parse a Bitcoin value byte array, returning a BigInteger.
+    */
+    valueToBigInt: function (valueBuffer) {
+        if (valueBuffer instanceof BigInteger) return valueBuffer;
+
+        // Prepend zero byte to prevent interpretation as negative integer
+        return BigInteger.fromByteArrayUnsigned(valueBuffer);
+    },
+    /**
+    * Format a Bitcoin value as a string.
+    *
+    * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
+    * nice standard formatting.
+    *
+    * Examples:
+    * 12.3555
+    * 0.1234
+    * 900.99998888
+    * 34.00
+    */
+    formatValue: function (valueBuffer) {
+        var value = this.valueToBigInt(valueBuffer).toString();
+        var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
+        var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
+        while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
+        decimalPart = decimalPart.replace(/0*$/, '');
+        while (decimalPart.length < 2) decimalPart += "0";
+        return integerPart + "." + decimalPart;
+    },
+    /**
+    * Parse a floating point string as a Bitcoin value.
+    *
+    * Keep in mind that parsing user input is messy. You should always display
+    * the parsed value back to the user to make sure we understood his input
+    * correctly.
+    */
+    parseValue: function (valueString) {
+        // TODO: Detect other number formats (e.g. comma as decimal separator)
+        var valueComp = valueString.split('.');
+        var integralPart = valueComp[0];
+        var fractionalPart = valueComp[1] || "0";
+        while (fractionalPart.length < 8) fractionalPart += "0";
+        fractionalPart = fractionalPart.replace(/^0+/g, '');
+        var value = BigInteger.valueOf(parseInt(integralPart));
+        value = value.multiply(BigInteger.valueOf(100000000));
+        value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
+        return value;
+    },
+    /**
+    * Calculate RIPEMD160(SHA256(data)).
+    *
+    * Takes an arbitrary byte array as inputs and returns the hash as a byte
+    * array.
+    */
+    sha256ripe160: function (data) {
+        return ripemd160(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
+    },
+    // double sha256
+    dsha256: function (data) {
+        return Crypto.SHA256(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
+    },
+    // duck typing method
+    hasMethods: function(obj /*, method list as strings */){
+        var i = 1, methodName;
+        while((methodName = arguments[i++])){
+            if(typeof obj[methodName] != 'function') {
+                return false;
+            }
+        }
+        return true;
+    }
+};
+
+
+    (function (ellipticCurveType) {
+
+            //Defining Elliptic Encryption Object  
+            var ellipticEncryption = window.ellipticCurveEncryption = function () {};
+
+            ellipticEncryption.rng = new SecureRandom();
+
+
+
+            ellipticEncryption.getCurveParameters = function (curveName) {
+
+                //Default is secp256k1
+                curveName = typeof curveName !== 'undefined' ? curveName : "secp256k1";
+
+                var c = EllipticCurve.getSECCurveByName(curveName);
+                var curveDetails = {
+                    Q: "",
+                    A: "",
+                    B: "",
+                    GX: "",
+                    GY: "",
+                    N: ""
+                };
+
+                curveDetails.Q = c.getCurve().getQ().toString();
+                curveDetails.A = c.getCurve().getA().toBigInteger().toString();
+                curveDetails.B = c.getCurve().getB().toBigInteger().toString();
+                curveDetails.GX = c.getG().getX().toBigInteger().toString();
+                curveDetails.GY = c.getG().getY().toBigInteger().toString();
+                curveDetails.N = c.getN().toString();
+
+                return curveDetails;
+
+            }
+
+            ellipticEncryption.selectedCurve = ellipticEncryption.getCurveParameters(ellipticCurveType);
+
+
+            ellipticEncryption.get_curve = function () {
+                return new EllipticCurve.CurveFp(new BigInteger(this.selectedCurve.Q),
+                    new BigInteger(this.selectedCurve.A),
+                    new BigInteger(this.selectedCurve.B));
+            }
+
+            ellipticEncryption.get_G = function (curve) {
+                return new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(this.selectedCurve.GX)),
+                    curve.fromBigInteger(new BigInteger(this.selectedCurve.GY)));
+            }
+
+
+            ellipticEncryption.pick_rand = function () {
+                var n = new BigInteger(this.selectedCurve.N);
+                var n1 = n.subtract(BigInteger.ONE);
+                var r = new BigInteger(n.bitLength(), this.rng);
+                return r.mod(n1).add(BigInteger.ONE);
+            }
+
+
+            ellipticEncryption.senderRandom = function () {
+                var r = this.pick_rand();
+                return r.toString();
+            };
+
+
+
+            ellipticEncryption.receiverRandom = function () {
+
+                //This is receivers private key. For now we will use random. CHANGE IT LATER
+                var r = this.pick_rand();
+                return r.toString();
+            }
+
+
+
+            ellipticEncryption.senderPublicString = function (senderPrivateKey) {
+
+                var senderKeyECData = {};
+
+                var curve = this.get_curve();
+                var G = this.get_G(curve);
+                var a = new BigInteger(senderPrivateKey);
+                var P = G.multiply(a);
+                senderKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
+                senderKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
+
+                return senderKeyECData;
+            }
+
+            //In real life ellipticEncryption.receiverPublicString is the public key of the receiver.
+            //you don't have to run receiverRandom and the bottom function 
+            ellipticEncryption.receiverPublicString = function (receiverPublicKey) {
+
+                var receiverKeyECData = {};
+
+                var curve = this.get_curve();
+                var G = this.get_G(curve);
+                var a = new BigInteger(receiverPublicKey);
+                var P = G.multiply(a);
+                receiverKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
+                receiverKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
+
+                return receiverKeyECData;
+            }
+
+            ellipticEncryption.senderSharedKeyDerivation = function (receiverPublicStringXValue,
+                receiverPublicStringYValue, senderPrivateKey) {
+
+                var senderDerivedKey = {};
+                var curve = this.get_curve();
+                var P = new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(receiverPublicStringXValue)),
+                    curve.fromBigInteger(new BigInteger(receiverPublicStringYValue)));
+                var a = new BigInteger(senderPrivateKey);
+                var S = P.multiply(a);
+
+                senderDerivedKey.XValue = S.getX().toBigInteger().toString();
+                senderDerivedKey.YValue = S.getY().toBigInteger().toString();
+
+                return senderDerivedKey;
+            }
+
+
+            ellipticEncryption.receiverSharedKeyDerivation = function (senderPublicStringXValue,
+                senderPublicStringYValue, receiverPrivateKey) {
+
+                var receiverDerivedKey = {};
+                var curve = this.get_curve();
+                var P = new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(senderPublicStringXValue)),
+                    curve.fromBigInteger(new BigInteger(senderPublicStringYValue)));
+                var a = new BigInteger(receiverPrivateKey);
+                var S = P.multiply(a);
+
+                receiverDerivedKey.XValue = S.getX().toBigInteger().toString();
+                receiverDerivedKey.YValue = S.getY().toBigInteger().toString();
+
+                return receiverDerivedKey;
+            }
+
+        })("secp256k1");
+
+
+    // secrets.js - by Alexander Stetsyuk - released under MIT License
+    (function (exports, global) {
+            var defaults = {
+                bits: 8, // default number of bits
+                radix: 16, // work with HEX by default
+                minBits: 3,
+                maxBits: 20, // this permits 1,048,575 shares, though going this high is NOT recommended in JS!
+
+                bytesPerChar: 2,
+                maxBytesPerChar: 6, // Math.pow(256,7) > Math.pow(2,53)
+
+                // Primitive polynomials (in decimal form) for Galois Fields GF(2^n), for 2 <= n <= 30
+                // The index of each term in the array corresponds to the n for that polynomial
+                // i.e. to get the polynomial for n=16, use primitivePolynomials[16]
+                primitivePolynomials: [null, null, 1, 3, 3, 5, 3, 3, 29, 17, 9, 5, 83, 27, 43, 3, 45, 9, 39, 39,
+                    9, 5, 3, 33, 27, 9, 71, 39, 9, 5, 83
+                ],
+
+                // warning for insecure PRNG
+                warning: 'WARNING:\nA secure random number generator was not found.\nUsing Math.random(), which is NOT cryptographically strong!'
+            };
+
+            // Protected settings object
+            var config = {};
+
+            /** @expose **/
+            exports.getConfig = function () {
+                return {
+                    'bits': config.bits,
+                    'unsafePRNG': config.unsafePRNG
+                };
+            };
+
+            function init(bits) {
+                if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
+                        defaults.maxBits)) {
+                    throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
+                        defaults.maxBits + ', inclusive.')
+                }
+
+                config.radix = defaults.radix;
+                config.bits = bits || defaults.bits;
+                config.size = Math.pow(2, config.bits);
+                config.max = config.size - 1;
+
+                // Construct the exp and log tables for multiplication.
+                var logs = [],
+                    exps = [],
+                    x = 1,
+                    primitive = defaults.primitivePolynomials[config.bits];
+                for (var i = 0; i < config.size; i++) {
+                    exps[i] = x;
+                    logs[x] = i;
+                    x <<= 1;
+                    if (x >= config.size) {
+                        x ^= primitive;
+                        x &= config.max;
+                    }
+                }
+
+                config.logs = logs;
+                config.exps = exps;
+            };
+
+            /** @expose **/
+            exports.init = init;
+
+            function isInited() {
+                if (!config.bits || !config.size || !config.max || !config.logs || !config.exps || config.logs.length !==
+                    config.size || config.exps.length !== config.size) {
+                    return false;
+                }
+                return true;
+            };
+
+            // Returns a pseudo-random number generator of the form function(bits){}
+            // which should output a random string of 1's and 0's of length `bits`
+            function getRNG() {
+                var randomBits, crypto;
+
+                function construct(bits, arr, radix, size) {
+                    var str = '',
+                        i = 0,
+                        len = arr.length - 1;
+                    while (i < len || (str.length < bits)) {
+                        str += padLeft(parseInt(arr[i], radix).toString(2), size);
+                        i++;
+                    }
+                    str = str.substr(-bits);
+                    if ((str.match(/0/g) || []).length === str.length) { // all zeros?
+                        return null;
+                    } else {
+                        return str;
+                    }
+                }
+
+                // node.js crypto.randomBytes()
+                if (typeof require === 'function' && (crypto = require('crypto')) && (randomBits = crypto[
+                        'randomBytes'])) {
+                    return function (bits) {
+                        var bytes = Math.ceil(bits / 8),
+                            str = null;
+
+                        while (str === null) {
+                            str = construct(bits, randomBits(bytes).toString('hex'), 16, 4);
+                        }
+                        return str;
+                    }
+                }
+
+                // browsers with window.crypto.getRandomValues()
+                if (global['crypto'] && typeof global['crypto']['getRandomValues'] === 'function' && typeof global[
+                        'Uint32Array'] === 'function') {
+                    crypto = global['crypto'];
+                    return function (bits) {
+                        var elems = Math.ceil(bits / 32),
+                            str = null,
+                            arr = new global['Uint32Array'](elems);
+
+                        while (str === null) {
+                            crypto['getRandomValues'](arr);
+                            str = construct(bits, arr, 10, 32);
+                        }
+
+                        return str;
+                    }
+                }
+
+                // A totally insecure RNG!!! (except in Safari)
+                // Will produce a warning every time it is called.
+                config.unsafePRNG = true;
+                warn();
+
+                var bitsPerNum = 32;
+                var max = Math.pow(2, bitsPerNum) - 1;
+                return function (bits) {
+                    var elems = Math.ceil(bits / bitsPerNum);
+                    var arr = [],
+                        str = null;
+                    while (str === null) {
+                        for (var i = 0; i < elems; i++) {
+                            arr[i] = Math.floor(Math.random() * max + 1);
+                        }
+                        str = construct(bits, arr, 10, bitsPerNum);
+                    }
+                    return str;
+                };
+            };
+
+            // Warn about using insecure rng.
+            // Called when Math.random() is being used.
+            function warn() {
+                global['console']['warn'](defaults.warning);
+                if (typeof global['alert'] === 'function' && config.alert) {
+                    global['alert'](defaults.warning);
+                }
+            }
+
+            // Set the PRNG to use. If no RNG function is supplied, pick a default using getRNG()
+            /** @expose **/
+            exports.setRNG = function (rng, alert) {
+                if (!isInited()) {
+                    this.init();
+                }
+                config.unsafePRNG = false;
+                rng = rng || getRNG();
+
+                // test the RNG (5 times)
+                if (typeof rng !== 'function' || typeof rng(config.bits) !== 'string' || !parseInt(rng(config.bits),
+                        2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
+                    throw new Error(
+                        "Random number generator is invalid. Supply an RNG of the form function(bits){} that returns a string containing 'bits' number of random 1's and 0's."
+                    )
+                } else {
+                    config.rng = rng;
+                }
+                config.alert = !!alert;
+
+                return !!config.unsafePRNG;
+            };
+
+            function isSetRNG() {
+                return typeof config.rng === 'function';
+            };
+
+            // Generates a random bits-length number string using the PRNG
+            /** @expose **/
+            exports.random = function (bits) {
+                if (!isSetRNG()) {
+                    this.setRNG();
+                }
+
+                if (typeof bits !== 'number' || bits % 1 !== 0 || bits < 2) {
+                    throw new Error('Number of bits must be an integer greater than 1.')
+                }
+
+                if (config.unsafePRNG) {
+                    warn();
+                }
+                return bin2hex(config.rng(bits));
+            }
+
+            // Divides a `secret` number String str expressed in radix `inputRadix` (optional, default 16)
+            // into `numShares` shares, each expressed in radix `outputRadix` (optional, default to `inputRadix`),
+            // requiring `threshold` number of shares to reconstruct the secret.
+            // Optionally, zero-pads the secret to a length that is a multiple of padLength before sharing.
+            /** @expose **/
+            exports.share = function (secret, numShares, threshold, padLength, withoutPrefix) {
+                if (!isInited()) {
+                    this.init();
+                }
+                if (!isSetRNG()) {
+                    this.setRNG();
+                }
+
+                padLength = padLength || 0;
+
+                if (typeof secret !== 'string') {
+                    throw new Error('Secret must be a string.');
+                }
+                if (typeof numShares !== 'number' || numShares % 1 !== 0 || numShares < 2) {
+                    throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
+                        '), inclusive.')
+                }
+                if (numShares > config.max) {
+                    var neededBits = Math.ceil(Math.log(numShares + 1) / Math.LN2);
+                    throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
+                        '), inclusive. To create ' + numShares + ' shares, use at least ' + neededBits +
+                        ' bits.')
+                }
+                if (typeof threshold !== 'number' || threshold % 1 !== 0 || threshold < 2) {
+                    throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
+                        config.max + '), inclusive.');
+                }
+                if (threshold > config.max) {
+                    var neededBits = Math.ceil(Math.log(threshold + 1) / Math.LN2);
+                    throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
+                        config.max + '), inclusive.  To use a threshold of ' + threshold +
+                        ', use at least ' + neededBits + ' bits.');
+                }
+                if (typeof padLength !== 'number' || padLength % 1 !== 0) {
+                    throw new Error('Zero-pad length must be an integer greater than 1.');
+                }
+
+                if (config.unsafePRNG) {
+                    warn();
+                }
+
+                secret = '1' + hex2bin(secret); // append a 1 so that we can preserve the correct number of leading zeros in our secret
+                secret = split(secret, padLength);
+                var x = new Array(numShares),
+                    y = new Array(numShares);
+                for (var i = 0, len = secret.length; i < len; i++) {
+                    var subShares = this._getShares(secret[i], numShares, threshold);
+                    for (var j = 0; j < numShares; j++) {
+                        x[j] = x[j] || subShares[j].x.toString(config.radix);
+                        y[j] = padLeft(subShares[j].y.toString(2)) + (y[j] ? y[j] : '');
+                    }
+                }
+                var padding = config.max.toString(config.radix).length;
+                if (withoutPrefix) {
+                    for (var i = 0; i < numShares; i++) {
+                        x[i] = bin2hex(y[i]);
+                    }
+                } else {
+                    for (var i = 0; i < numShares; i++) {
+                        x[i] = config.bits.toString(36).toUpperCase() + padLeft(x[i], padding) + bin2hex(y[i]);
+                    }
+                }
+
+                return x;
+            };
+
+            // This is the basic polynomial generation and evaluation function
+            // for a `config.bits`-length secret (NOT an arbitrary length)
+            // Note: no error-checking at this stage! If `secrets` is NOT
+            // a NUMBER less than 2^bits-1, the output will be incorrect!
+            /** @expose **/
+            exports._getShares = function (secret, numShares, threshold) {
+                var shares = [];
+                var coeffs = [secret];
+
+                for (var i = 1; i < threshold; i++) {
+                    coeffs[i] = parseInt(config.rng(config.bits), 2);
+                }
+                for (var i = 1, len = numShares + 1; i < len; i++) {
+                    shares[i - 1] = {
+                        x: i,
+                        y: horner(i, coeffs)
+                    }
+                }
+                return shares;
+            };
+
+            // Polynomial evaluation at `x` using Horner's Method
+            // TODO: this can possibly be sped up using other methods
+            // NOTE: fx=fx * x + coeff[i] ->  exp(log(fx) + log(x)) + coeff[i],
+            //       so if fx===0, just set fx to coeff[i] because
+            //       using the exp/log form will result in incorrect value
+            function horner(x, coeffs) {
+                var logx = config.logs[x];
+                var fx = 0;
+                for (var i = coeffs.length - 1; i >= 0; i--) {
+                    if (fx === 0) {
+                        fx = coeffs[i];
+                        continue;
+                    }
+                    fx = config.exps[(logx + config.logs[fx]) % config.max] ^ coeffs[i];
+                }
+                return fx;
+            };
+
+            function inArray(arr, val) {
+                for (var i = 0, len = arr.length; i < len; i++) {
+                    if (arr[i] === val) {
+                        return true;
+                    }
+                }
+                return false;
+            };
+
+            function processShare(share) {
+
+                var bits = parseInt(share[0], 36);
+                if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
+                        defaults.maxBits)) {
+                    throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
+                        defaults.maxBits + ', inclusive.')
+                }
+
+                var max = Math.pow(2, bits) - 1;
+                var idLength = max.toString(config.radix).length;
+
+                var id = parseInt(share.substr(1, idLength), config.radix);
+                if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
+                    throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
+                }
+                share = share.substr(idLength + 1);
+                if (!share.length) {
+                    throw new Error('Invalid share: zero-length share.')
+                }
+                return {
+                    'bits': bits,
+                    'id': id,
+                    'value': share
+                };
+            };
+
+            /** @expose **/
+            exports._processShare = processShare;
+
+            // Protected method that evaluates the Lagrange interpolation
+            // polynomial at x=`at` for individual config.bits-length
+            // segments of each share in the `shares` Array.
+            // Each share is expressed in base `inputRadix`. The output
+            // is expressed in base `outputRadix'
+            function combine(at, shares) {
+                var setBits, share, x = [],
+                    y = [],
+                    result = '',
+                    idx;
+
+                for (var i = 0, len = shares.length; i < len; i++) {
+                    share = processShare(shares[i]);
+                    if (typeof setBits === 'undefined') {
+                        setBits = share['bits'];
+                    } else if (share['bits'] !== setBits) {
+                        throw new Error('Mismatched shares: Different bit settings.')
+                    }
+
+                    if (config.bits !== setBits) {
+                        init(setBits);
+                    }
+
+                    if (inArray(x, share['id'])) { // repeated x value?
+                        continue;
+                    }
+
+                    idx = x.push(share['id']) - 1;
+                    share = split(hex2bin(share['value']));
+                    for (var j = 0, len2 = share.length; j < len2; j++) {
+                        y[j] = y[j] || [];
+                        y[j][idx] = share[j];
+                    }
+                }
+
+                for (var i = 0, len = y.length; i < len; i++) {
+                    result = padLeft(lagrange(at, x, y[i]).toString(2)) + result;
+                }
+
+                if (at === 0) { // reconstructing the secret
+                    var idx = result.indexOf('1'); //find the first 1
+                    return bin2hex(result.slice(idx + 1));
+                } else { // generating a new share
+                    return bin2hex(result);
+                }
+            };
+
+            // Combine `shares` Array into the original secret
+            /** @expose **/
+            exports.combine = function (shares) {
+                return combine(0, shares);
+            };
+
+            // Generate a new share with id `id` (a number between 1 and 2^bits-1)
+            // `id` can be a Number or a String in the default radix (16)
+            /** @expose **/
+            exports.newShare = function (id, shares) {
+                if (typeof id === 'string') {
+                    id = parseInt(id, config.radix);
+                }
+
+                var share = processShare(shares[0]);
+                var max = Math.pow(2, share['bits']) - 1;
+
+                if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
+                    throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
+                }
+
+                var padding = max.toString(config.radix).length;
+                return config.bits.toString(36).toUpperCase() + padLeft(id.toString(config.radix), padding) +
+                    combine(id, shares);
+            };
+
+            // Evaluate the Lagrange interpolation polynomial at x = `at`
+            // using x and y Arrays that are of the same length, with
+            // corresponding elements constituting points on the polynomial.
+            function lagrange(at, x, y) {
+                var sum = 0,
+                    product,
+                    i, j;
+
+                for (var i = 0, len = x.length; i < len; i++) {
+                    if (!y[i]) {
+                        continue;
+                    }
+
+                    product = config.logs[y[i]];
+                    for (var j = 0; j < len; j++) {
+                        if (i === j) {
+                            continue;
+                        }
+                        if (at === x[j]) { // happens when computing a share that is in the list of shares used to compute it
+                            product = -1; // fix for a zero product term, after which the sum should be sum^0 = sum, not sum^1
+                            break;
+                        }
+                        product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */ ) %
+                            config.max;
+                    }
+
+                    sum = product === -1 ? sum : sum ^ config.exps[product]; // though exps[-1]= undefined and undefined ^ anything = anything in chrome, this behavior may not hold everywhere, so do the check
+                }
+                return sum;
+            };
+
+            /** @expose **/
+            exports._lagrange = lagrange;
+
+            // Splits a number string `bits`-length segments, after first
+            // optionally zero-padding it to a length that is a multiple of `padLength.
+            // Returns array of integers (each less than 2^bits-1), with each element
+            // representing a `bits`-length segment of the input string from right to left,
+            // i.e. parts[0] represents the right-most `bits`-length segment of the input string.
+            function split(str, padLength) {
+                if (padLength) {
+                    str = padLeft(str, padLength)
+                }
+                var parts = [];
+                for (var i = str.length; i > config.bits; i -= config.bits) {
+                    parts.push(parseInt(str.slice(i - config.bits, i), 2));
+                }
+                parts.push(parseInt(str.slice(0, i), 2));
+                return parts;
+            };
+
+            // Pads a string `str` with zeros on the left so that its length is a multiple of `bits`
+            function padLeft(str, bits) {
+                bits = bits || config.bits
+                var missing = str.length % bits;
+                return (missing ? new Array(bits - missing + 1).join('0') : '') + str;
+            };
+
+            function hex2bin(str) {
+                var bin = '',
+                    num;
+                for (var i = str.length - 1; i >= 0; i--) {
+                    num = parseInt(str[i], 16)
+                    if (isNaN(num)) {
+                        throw new Error('Invalid hex character.')
+                    }
+                    bin = padLeft(num.toString(2), 4) + bin;
+                }
+                return bin;
+            }
+
+            function bin2hex(str) {
+                var hex = '',
+                    num;
+                str = padLeft(str, 4);
+                for (var i = str.length; i >= 4; i -= 4) {
+                    num = parseInt(str.slice(i - 4, i), 2);
+                    if (isNaN(num)) {
+                        throw new Error('Invalid binary character.')
+                    }
+                    hex = num.toString(16) + hex;
+                }
+                return hex;
+            }
+
+            // Converts a given UTF16 character string to the HEX representation.
+            // Each character of the input string is represented by
+            // `bytesPerChar` bytes in the output string.
+            /** @expose **/
+            exports.str2hex = function (str, bytesPerChar) {
+                if (typeof str !== 'string') {
+                    throw new Error('Input must be a character string.');
+                }
+                bytesPerChar = bytesPerChar || defaults.bytesPerChar;
+
+                if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
+                    bytesPerChar > defaults.maxBytesPerChar) {
+                    throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
+                        ', inclusive.')
+                }
+
+                var hexChars = 2 * bytesPerChar;
+                var max = Math.pow(16, hexChars) - 1;
+                var out = '',
+                    num;
+                for (var i = 0, len = str.length; i < len; i++) {
+                    num = str[i].charCodeAt();
+                    if (isNaN(num)) {
+                        throw new Error('Invalid character: ' + str[i]);
+                    } else if (num > max) {
+                        var neededBytes = Math.ceil(Math.log(num + 1) / Math.log(256));
+                        throw new Error('Invalid character code (' + num +
+                            '). Maximum allowable is 256^bytes-1 (' + max +
+                            '). To convert this character, use at least ' + neededBytes + ' bytes.')
+                    } else {
+                        out = padLeft(num.toString(16), hexChars) + out;
+                    }
+                }
+                return out;
+            };
+
+            // Converts a given HEX number string to a UTF16 character string.
+            /** @expose **/
+            exports.hex2str = function (str, bytesPerChar) {
+                if (typeof str !== 'string') {
+                    throw new Error('Input must be a hexadecimal string.');
+                }
+                bytesPerChar = bytesPerChar || defaults.bytesPerChar;
+
+                if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
+                    bytesPerChar > defaults.maxBytesPerChar) {
+                    throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
+                        ', inclusive.')
+                }
+
+                var hexChars = 2 * bytesPerChar;
+                var out = '';
+                str = padLeft(str, hexChars);
+                for (var i = 0, len = str.length; i < len; i += hexChars) {
+                    out = String.fromCharCode(parseInt(str.slice(i, i + hexChars), 16)) + out;
+                }
+                return out;
+            };
+
+            // by default, initialize without an RNG
+            exports.init();
+        })(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['shamirSecretShare'] = {}),
+            typeof global !== 'undefined' ? global : window);
+
+        //For diff base
+    /*
+    Functions available:
+    diff(originalObj, updatedObj) returns the difference of the original and updated objects
+    addedDiff(original, updatedObj) returns only the values added to the updated object
+    deletedDiff(original, updatedObj) returns only the values deleted in the updated object
+    updatedDiff(original, updatedObj) returns only the values that have been changed in the updated object
+    findDifference(original, updatedObj) returns an object with the added, deleted and updated differences  
+    mergeRecurcive(original, diff) this will get you a new object that will merge all the changes between the old object and the new object
+    */
+(function(){
+    const isDate = d => d instanceof Date;
+    const isEmpty = o => Object.keys(o).length === 0;
+    const isObject = o => o != null && typeof o === 'object';
+    const properObject = o => isObject(o) && !o.hasOwnProperty ? { ...o } : o;
+    
+    
+    const getLargerArray = (l, r) => l.length > r.length ? l : r;
+    
+    const preserve = (diff, left, right) => {
+    
+      if (!isObject(diff)) return diff;
+    
+      return Object.keys(diff).reduce((acc, key) => {
+    
+        const leftArray = left[key];
+        const rightArray = right[key];
+    
+        if (Array.isArray(leftArray) && Array.isArray(rightArray)) {
+          const array = [...getLargerArray(leftArray, rightArray)];
+          return {
+            ...acc,
+            [key]: array.reduce((acc2, item, index) => {
+              if (diff[key].hasOwnProperty(index)) {
+                acc2[index] = preserve(diff[key][index], leftArray[index], rightArray[index]); // diff recurse and check for nested arrays
+                return acc2;
+              }
+    
+              delete acc2[index]; // no diff aka empty
+              return acc2;
+            }, array)
+          };
+        }
+    
+        return {
+          ...acc,
+          [key]: diff[key]
+        };
+      }, {});
+    };
+    
+    
+    const updatedDiff = (lhs, rhs) => {
+    
+      if (lhs === rhs) return {};
+    
+      if (!isObject(lhs) || !isObject(rhs)) return rhs;
+    
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+    
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+    
+      return Object.keys(r).reduce((acc, key) => {
+    
+        if (l.hasOwnProperty(key)) {
+          const difference = updatedDiff(l[key], r[key]);
+    
+          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc;
+    
+          return { ...acc, [key]: difference };
+        }
+    
+        return acc;
+      }, {});
+    };
+    
+    
+    const diff = (lhs, rhs) => {
+      if (lhs === rhs) return {}; // equal return no diff
+    
+      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
+    
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+    
+      const deletedValues = Object.keys(l).reduce((acc, key) => {
+        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
+      }, {});
+    
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+    
+      return Object.keys(r).reduce((acc, key) => {
+        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
+    
+        const difference = diff(l[key], r[key]);
+    
+        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
+    
+        return { ...acc, [key]: difference }; // return updated key
+      }, deletedValues);
+    };
+    
+    const addedDiff = (lhs, rhs) => {
+    
+      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
+    
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+    
+      return Object.keys(r).reduce((acc, key) => {
+        if (l.hasOwnProperty(key)) {
+          const difference = addedDiff(l[key], r[key]);
+    
+          if (isObject(difference) && isEmpty(difference)) return acc;
+    
+          return { ...acc, [key]: difference };
+        }
+    
+        return { ...acc, [key]: r[key] };
+      }, {});
+    };
+    
+    
+    const arrayDiff = (lhs, rhs) => {
+      if (lhs === rhs) return {}; // equal return no diff
+    
+      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
+    
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+    
+      const deletedValues = Object.keys(l).reduce((acc, key) => {
+        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
+      }, {});
+    
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+    
+      if (Array.isArray(r) && Array.isArray(l)) {
+        const deletedValues = l.reduce((acc, item, index) => {
+          return r.hasOwnProperty(index) ? acc.concat(item) : acc.concat(null);
+        }, []);
+    
+        return r.reduce((acc, rightItem, index) => {
+          if (!deletedValues.hasOwnProperty(index)) {
+            return acc.concat(rightItem);
+          }
+    
+          const leftItem = l[index];
+          const difference = diff(rightItem, leftItem);
+    
+          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) {
+            delete acc[index];
+            return acc; // return no diff
+          }
+    
+          return acc.slice(0, index).concat(rightItem).concat(acc.slice(index + 1)); // return updated key
+        }, deletedValues);
+      }
+    
+      return Object.keys(r).reduce((acc, key) => {
+        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
+    
+        const difference = diff(l[key], r[key]);
+    
+        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
+    
+        return { ...acc, [key]: difference }; // return updated key
+      }, deletedValues);
+    };
+    
+    const deletedDiff = (lhs, rhs) => {
+      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
+    
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+    
+      return Object.keys(l).reduce((acc, key) => {
+        if (r.hasOwnProperty(key)) {
+          const difference = deletedDiff(l[key], r[key]);
+    
+          if (isObject(difference) && isEmpty(difference)) return acc;
+    
+          return { ...acc, [key]: difference };
+        }
+    
+        return { ...acc, [key]: null };
+      }, {});
+    };
+
+    window.findDifference = (lhs, rhs) => ({
+      added: addedDiff(lhs, rhs),
+      deleted: deletedDiff(lhs, rhs),
+      updated: updatedDiff(lhs, rhs),
+    });
+    
+    const mergeRecursive = (obj1, obj2) => {
+        for (var p in obj2) {
+            try {
+                if(obj2[p].constructor == Object) {
+                    obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                }
+                // Property in destination object set; update its value.
+                else if (Ext.isArray(obj2[p])) {
+                    // obj1[p] = [];
+                    if (obj2[p].length < 1) {
+                        obj1[p] = obj2[p];
+                    }
+                    else {
+                        obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                    }
+    
+                }else{
+                    obj1[p] = obj2[p];
+                }
+            } catch (e) {
+                // Property in destination object not set; create it and set its value.
+                obj1[p] = obj2[p];
+            }
+        }
+        return obj1;
+    }
+    
+    /*
+    var test = {
+      foo : {
+        bar : {
+          baz : null
+        }
+      },
+      bar : 1
+    };
+    cleanse(test);
+    
+    Rohit: Added a small fix for object being entered as Array*/
+    
+    const cleanse = (obj) => {
+        Object.keys(obj).forEach(key => {
+            var value = obj[key];
+            if (typeof value === "object" && value !== null) {
+                // Recurse...
+                cleanse(value);
+                // ...and remove if now "empty" (NOTE: insert your definition of "empty" here)
+                if (!Object.keys(value).length) {
+                    delete obj[key]
+                }
+            }
+            else if (value === null) {
+                // null, remove it
+                delete obj[key];
+    
+            }
+        });
+    
+    if(obj.constructor.toString().indexOf("Array") != -1)  {obj = obj.filter(function (el) {
+      return el != null;
+    });}
+    
+    return obj; 
+    }
+    
+    /*obj is original object or array, diff is the output of findDifference */
+    window.mergeDifference = (obj,diff) => {
+      if(Object.keys(diff.updated).length !== 0)
+        obj = mergeRecursive(obj,diff.updated)
+      if(Object.keys(diff.deleted).length !== 0){
+        obj = mergeRecursive(obj,diff.deleted)
+        obj = cleanse(obj)
+      }
+      if(Object.keys(diff.added).length !== 0)
+        obj = mergeRecursive(obj,diff.added)
+        return obj
+    }
+})();
+</script>
+
+<script id="floCrypto">
+  /* FLO Crypto Operators*/
+  const floCrypto = {
+
+    util:{
+        p: BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16),
+
+        ecparams: EllipticCurve.getSECCurveByName("secp256k1"),
+
+        exponent1: function () {
+            return this.p.add(BigInteger.ONE).divide(BigInteger("4"))
+        },
+
+        calculateY: function (x) {
+            let p = this.p;
+            let exp = this.exponent1();
+            // x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
+            return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
+        },
+        getUncompressedPublicKey: function (compressedPublicKey) {
+            const p = this.p;
+            // Fetch x from compressedPublicKey
+            let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
+            const prefix = pubKeyBytes.shift() // remove prefix
+            let prefix_modulus = prefix % 2;
+            pubKeyBytes.unshift(0) // add prefix 0
+            let x = new BigInteger(pubKeyBytes)
+            let xDecimalValue = x.toString()
+            // Fetch y
+            let y = this.calculateY(x);
+            let yDecimalValue = y.toString();
+            // verify y value
+            let resultBigInt = y.mod(BigInteger("2"));
+            let check = resultBigInt.toString() % 2;
+            if (prefix_modulus !== check) {
+                yDecimalValue = y.negate().mod(p).toString();
+            }
+            return {
+                x: xDecimalValue,
+                y: yDecimalValue
+            };
+        },
+
+        getSenderPublicKeyString: function () {
+            privateKey = ellipticCurveEncryption.senderRandom();
+            senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
+            return {
+                privateKey: privateKey,
+                senderPublicKeyString: senderPublicKeyString
+            }
+        },
+
+        deriveSharedKeySender: function (receiverCompressedPublicKey, senderPrivateKey) {
+            try {
+                let receiverPublicKeyString = this.getUncompressedPublicKey(receiverCompressedPublicKey);
+                var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
+                receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
+                return senderDerivedKey;
+            } catch (error) {
+                return new Error(error);
+            }
+        },
+
+        deriveReceiverSharedKey: function (senderPublicKeyString, receiverPrivateKey) {
+            return ellipticCurveEncryption.receiverSharedKeyDerivation(
+                senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString,
+                receiverPrivateKey);
+        },
+
+        getReceiverPublicKeyString: function (privateKey) {
+            return ellipticCurveEncryption.receiverPublicString(privateKey);
+        },
+
+        deriveSharedKeyReceiver: function (senderPublicKeyString, receiverPrivateKey) {
+            try {
+                return ellipticCurveEncryption.receiverSharedKeyDerivation(senderPublicKeyString.XValuePublicString,
+                senderPublicKeyString.YValuePublicString, receiverPrivateKey);
+
+            } catch (error) {
+                return new Error(error);
+            }
+        },
+
+        wifToDecimal: function (pk_wif, isPubKeyCompressed = false) {
+            let pk = Bitcoin.Base58.decode(pk_wif)
+            pk.shift()
+            pk.splice(-4, 4)
+            //If the private key corresponded to a compressed public key, also drop the last byte (it should be 0x01).
+            if (isPubKeyCompressed == true) pk.pop()
+            pk.unshift(0)
+            privateKeyDecimal = BigInteger(pk).toString()
+            privateKeyHex = Crypto.util.bytesToHex(pk)
+            return {
+                privateKeyDecimal: privateKeyDecimal,
+                privateKeyHex: privateKeyHex
+            }
+        }
+    },
+
+    //generate a random Interger within range
+    randInt: function(min, max) {
+        min = Math.ceil(min);
+        max = Math.floor(max);
+        return Math.floor(Math.random() * (max - min + 1)) + min;
+    },
+
+    //generate a random String within length (options : alphaNumeric chars only)
+    randString: function (length, alphaNumeric = false) {
+        var result = '';
+        if(alphaNumeric)
+            var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+        else
+            var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
+        for ( var i = 0; i < length; i++ ) 
+            result += characters.charAt(Math.floor(Math.random() * characters.length));
+        return result;
+    },
+
+    //Encrypt Data using public-key
+    encryptData: function (data, receiverCompressedPublicKey) {
+      var senderECKeyData = this.util.getSenderPublicKeyString();
+      var senderDerivedKey = this.util.deriveSharedKeySender(receiverCompressedPublicKey, senderECKeyData.privateKey);
+      let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
+      let secret = Crypto.AES.encrypt(data, senderKey);
+      return {
+        secret: secret,
+        senderPublicKeyString: senderECKeyData.senderPublicKeyString
+      };
+    },
+
+    //Decrypt Data using private-key
+    decryptData: function (data, myPrivateKey) {
+      var receiverECKeyData = {};
+      if (typeof myPrivateKey !== "string") throw new Error("No private key found.");
+
+      let privateKey = this.util.wifToDecimal(myPrivateKey, true);
+      if (typeof privateKey.privateKeyDecimal !== "string") throw new Error(
+        "Failed to detremine your private key.");
+      receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
+
+      var receiverDerivedKey = this.util.deriveReceiverSharedKey(data.senderPublicKeyString, receiverECKeyData
+        .privateKey);
+
+      let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
+      let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
+      return decryptMsg;
+    },
+
+    //Sign data using private-key
+    signData: function (data, privateKeyHex) {
+      var key = new Bitcoin.ECKey(privateKeyHex);
+      key.setCompressed(true);
+
+      var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
+      privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
+      var messageHash = Crypto.SHA256(data);
+
+      var messageHashBigInteger = new BigInteger(messageHash);
+      var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
+
+      var sighex = Crypto.util.bytesToHex(messageSign);
+      return sighex;
+    },
+
+    //Verify signatue of the data using public-key
+    verifySign: function (data, signatureHex, publicKeyHex) {
+      var msgHash = Crypto.SHA256(data);
+      var messageHashBigInteger = new BigInteger(msgHash);
+
+      var sigBytes = Crypto.util.hexToBytes(signatureHex);
+      var signature = Bitcoin.ECDSA.parseSig(sigBytes);
+
+      var publicKeyPoint = this.util.ecparams.getCurve().decodePointHex(publicKeyHex);
+
+      var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
+        publicKeyPoint);
+      return verify;
+    },
+
+    //Generates a new flo ID and returns private-key, public-key and floID
+    generateNewID: function () {
+      try {
+        var key = new Bitcoin.ECKey(false);
+        key.setCompressed(true);
+        return {
+          floID: key.getBitcoinAddress(),
+          pubKey: key.getPubKeyHex(),
+          privKey: key.getBitcoinWalletImportFormat()
+        }
+      } catch (e) {
+        console.error(e);
+      }
+    },
+
+    //Returns public-key from private-key
+    getPubKeyHex: function (privateKeyHex) {
+      var key = new Bitcoin.ECKey(privateKeyHex);
+      if (key.priv == null) {
+        console.error("Invalid Private key");
+        return;
+      }
+      key.setCompressed(true);
+      var pubkeyHex = key.getPubKeyHex();
+      return pubkeyHex;
+    },
+
+    //Returns flo-ID from public-key
+    getFloIDfromPubkeyHex: function (pubkeyHex) {
+      try{
+        var key = new Bitcoin.ECKey().setPub(pubkeyHex);
+        var floID = key.getBitcoinAddress();
+        return floID;
+      }catch (e) {
+        console.error(e);
+      }
+    },
+
+    //Verify the private-key for the given public-key or flo-ID
+    verifyPrivKey: function (privateKeyHex, pubKey_floID, isfloID = true) {
+      try {
+        var key = new Bitcoin.ECKey(privateKeyHex);
+        if (key.priv == null)
+          return false;
+        key.setCompressed(true);
+        if (isfloID && pubKey_floID == key.getBitcoinAddress())
+          return true;
+        else if (!isfloID && pubKey_floID == key.getPubKeyHex())
+          return true;
+        else
+          return false;
+      } catch (e) {
+        console.error(e);
+      }
+    },
+
+    //Check if the given Address is valid or not
+    validateAddr: function (inpAddr) {
+      try {
+        var addr = new Bitcoin.Address(inpAddr);
+        return true;
+      } catch {
+        return false;
+      }
+    },
+
+    //Split the str using shamir's Secret and Returns the shares 
+    createShamirsSecretShares: function (str, total_shares, threshold_limit) {
+        try{
+            if (str.length > 0) {
+                var strHex = shamirSecretShare.str2hex(str);
+                var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
+                return shares;
+            }
+            return false;
+        }catch{
+            return false
+        }
+    },
+
+    //Verifies the shares and str
+    verifyShamirsSecret: function (sharesArray, str) {
+        return (str && this.retrieveShamirSecret(sharesArray) === str)
+    },
+
+    //Returns the retrived secret by combining the shamirs shares
+    retrieveShamirSecret: function (sharesArray) {
+        try{
+            if (sharesArray.length > 0) {
+                var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
+                comb = shamirSecretShare.hex2str(comb);
+                return comb;
+            }
+            return false;
+        }catch{
+            return false
+        }
+    }
+  }
+</script>
+<script id="floBlockchainAPI">
+  /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
+  const floBlockchainAPI = {
+
+    util: {
+        serverList: floGlobals.apiURL[floGlobals.blockchain].slice(0),
+        curPos: floCrypto.randInt(0, floGlobals.apiURL[floGlobals.blockchain].length),
+        fetch_retry: function(apicall){
+            return new Promise((resolve,reject) => {
+                this.serverList.splice(this.curPos, 1);
+                this.curPos = floCrypto.randInt(0, this.serverList.length)
+                this.fetch_api(apicall)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error));
+            })
+        },
+        fetch_api: function(apicall){
+            return new Promise((resolve, reject) => {
+                if(this.serverList.length === 0)
+                    reject("No floSight server working")
+                else{
+                    fetch(this.serverList[this.curPos] + apicall).then(response  => {
+                        if(response.ok)
+                            response.json().then(data => resolve(data));
+                        else{
+                            this.fetch_retry(apicall)
+                                .then(result => resolve(result))
+                                .catch(error => reject(error));
+                        }
+                    }).catch(error => {
+                        this.fetch_retry(apicall)
+                            .then(result => resolve(result))
+                            .catch(error => reject(error));
+                    })
+                }
+            })
+        }
+    },
+
+    //Promised function to get data from API
+    promisedAPI: function (apicall) {
+      return new Promise((resolve, reject) => {
+        console.log(apicall)
+        this.util.fetch_api(apicall)
+            .then(result => resolve(result))
+            .catch(error => reject(error));
+      });
+    },
+
+    //Get balance for the given Address
+    getBalance: function (addr) {
+      return new Promise((resolve, reject) => {
+        this.promisedAPI(`api/addr/${addr}/balance`)
+            .then(balance => resolve(parseFloat(balance)))
+            .catch(error => reject(error));
+      });
+    },
+
+    //Write Data into blockchain
+    writeData: function (senderAddr, Data, PrivKey, receiverAddr = floGlobals.adminID) {
+      return new Promise((resolve, reject) => {
+        this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, PrivKey, Data)
+            .then(txid => resolve(txid))
+            .catch(error => reject(error))
+      });
+    },
+
+    //Send Tx to blockchain 
+    sendTx: function (senderAddr, receiverAddr, sendAmt, PrivKey, floData = '') {
+      return new Promise((resolve, reject) => {
+        if (!floCrypto.validateAddr(senderAddr))
+          reject(`Invalid address : ${senderAddr}`);
+        else if (!floCrypto.validateAddr(receiverAddr))
+          reject(`Invalid address : ${receiverAddr}`);
+        if (PrivKey.length < 1 || !floCrypto.verifyPrivKey(PrivKey, senderAddr))
+          reject("Invalid Private key!");
+        else if (typeof sendAmt !== 'number' || sendAmt <= 0)
+          reject(`Invalid sendAmt : ${sendAmt}`);
+        else {
+          var trx = bitjs.transaction();
+          var utxoAmt = 0.0;
+          var fee = floGlobals.fee;
+          this.promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
+            for (var i = utxos.length - 1;
+              (i >= 0) && (utxoAmt < sendAmt + fee); i--) {
+              if (utxos[i].confirmations) {
+                trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey)
+                utxoAmt += utxos[i].amount;
+              } else break;
+            }
+            if (utxoAmt < sendAmt + fee)
+              reject("Insufficient balance!");
+            else {
+              trx.addoutput(receiverAddr, sendAmt);
+              var change = utxoAmt - sendAmt - fee;
+              if (change > 0)
+                trx.addoutput(senderAddr, change);
+              trx.addflodata(floData);
+              var signedTxHash = trx.sign(PrivKey, 1);
+              this.broadcastTx(signedTxHash)
+                .then(txid => resolve(txid))
+                .catch(error => reject(error))
+            }
+          }).catch(error => reject(error))
+        }
+      });
+    },
+
+    //Broadcast signed Tx in blockchain using API
+    broadcastTx: function (signedTxHash) {
+      return new Promise((resolve, reject) => {
+        var request = new XMLHttpRequest();
+        var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
+        if (signedTxHash.length < 1)
+          reject("Empty Signature");
+        else {
+          var params = `{"rawtx":"${signedTxHash}"}`;
+          request.open('POST', url, true);
+          //Send the proper header information along with the request
+          request.setRequestHeader('Content-type', 'application/json');
+          request.onload = function () {
+            if (request.readyState == 4 && request.status == 200) {
+              console.log(request.response);
+              resolve(JSON.parse(request.response).txid.result);
+            } else
+              reject(request.responseText);
+          }
+          request.send(params);
+        }
+      })
+    },
+
+    //Read Txs of Address between from and to
+    readTxs: function (addr, from, to) {
+      return new Promise((resolve, reject) => {
+        this.promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
+            .then(response => resolve(response))
+            .catch(error => reject(error))
+      });
+    },
+
+    //Read All Txs of Address (newest first)
+    readAllTxs: function (addr) {
+      return new Promise((resolve, reject) => {
+        this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
+          this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
+            .then(response => resolve(response.items))
+            .catch(error => reject(error));
+        }).catch(error => reject(error))
+      });
+    },
+
+    /*Read flo Data from txs of given Address
+    options can be used to filter data
+    limit       : maximum number of filtered data (default = 1000, negative  = no limit)
+    ignoreOld   : ignore old txs (default = 0)
+    sentOnly    : filters only sent data
+    pattern     : filters data that starts with a pattern
+    contains    : filters data that contains a string
+    filter      : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
+    */
+    readData: function(addr,options = {}){
+        options.limit = options.limit | 1000
+        options.ignoreOld = options.ignoreOld | 0
+        return new Promise((resolve, reject) => {
+        this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
+          var newItems = response.totalItems - options.ignoreOld;
+          this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems*2}`).then(response => {
+              if (options.limit <= 0) 
+                options.limit = response.items.length;
+              var filteredData = [];
+              for (i = 0; i < (response.totalItems - options.ignoreOld) && filteredData.length < options.limit; i++){
+                if(options.sentOnly && response.items[i].vin[0].addr !== addr)
+                    continue;
+                if(options.pattern && !response.items[i].floData.startsWith(options.pattern, 0) && !response.items[i].floData.startsWith(options.pattern, 2))
+                    continue;
+                if(options.contains && !response.items[i].floData.includes(options.contains))
+                    continue;
+                if(options.filter && !options.filter(response.items[i].floData))
+                    continue;
+                filteredData.push(response.items[i].floData);
+              }
+              resolve({totalTxs:response.totalItems , data:filteredData});
+          }).catch(error => {
+            reject(error);
+          });
+        }).catch(error => {
+          reject(error);
+        });
+      });
+    }
+  }
+</script>
+<script id="floSupernode">
+  /* flo Supernode Operators to send/receive data from supernodes using websocket */
+  const floSupernode = {
+
+    //kBucket object 
+    kBucket: {
+      supernodeKBucket: null,
+      decodeBase58Address: function (address) {
+        let k = bitjs.Base58.decode(address)
+        k.shift()
+        k.splice(-4, 4)
+        return Crypto.util.bytesToHex(k)
+      },
+      floIdToKbucketId: function (address) {
+        const decodedId = this.decodeBase58Address(address);
+        const nodeIdBigInt = new BigInteger(decodedId, 16);
+        const nodeIdBytes = nodeIdBigInt.toByteArrayUnsigned();
+        const nodeIdNewInt8Array = new Uint8Array(nodeIdBytes);
+        return nodeIdNewInt8Array;
+      },
+      launch: function (superNodeList = Object.keys(floGlobals.supernodes), master_floID = floGlobals.adminID) {
+        return new Promise((resolve, reject) => {
+          try {
+            const SuKBucketId = this.floIdToKbucketId(master_floID);
+            const SukbOptions = {
+              localNodeId: SuKBucketId
+            }
+            this.supernodeKBucket = new BuildKBucket(SukbOptions);
+            for (var i = 0; i < superNodeList.length; i++) {
+              this.addNewNode(superNodeList[i])
+            }
+            resolve('SuperNode KBucket formed');
+          } catch (error) {
+            reject(error);
+          }
+        });
+      },
+      addContact: function (id, floID, KB = this.supernodeKBucket) {
+        const contact = {
+          id: id,
+          floID: floID
+        };
+        KB.add(contact)
+      },
+      addNewNode: function (address, KB = this.supernodeKBucket) {
+        let decodedId = address;
+        try {
+          decodedId = this.floIdToKbucketId(address);
+        } catch (e) {
+          decodedId = address;
+        }
+        this.addContact(decodedId, address, KB);
+      },
+      isNodePresent: function (flo_id, KB = this.supernodeKBucket) {
+        let kArray = KB.toArray();
+        let kArrayFloIds = kArray.map(k => k.floID);
+        if (kArrayFloIds.includes(flo_id))
+            return true;
+        else
+            return false;
+      },
+ 
+      getInnerNodes: function(flo_addr1, flo_addr2, KB = this.supernodeKBucket){
+        return new Promise((resolve, reject) => {
+          let kArrayFloIds = KB.toArray().map(k => k.floID);
+          var innerNodes = []
+          if(kArrayFloIds.includes(flo_addr1) && kArrayFloIds.includes(flo_addr2)){
+            for(var i = kArrayFloIds.indexOf(flo_addr1); i!= flo_addr2; i++){
+                if(i >= kArrayFloIds.length)
+                    i = -1
+                else
+                    innerNodes.push(kArrayFloIds[i])
+            }
+            resolve(innerNodes)
+          }else
+            reject('Given nodes are not in KBucket')
+        });
+      },
+
+      getOuterNodes: function(flo_addr1, flo_addr2, KB = this.supernodeKBucket){
+        return new Promise((resolve, reject) => {
+          let kArrayFloIds = KB.toArray().map(k => k.floID);
+          var outterNodes = []
+          if(kArrayFloIds.includes(flo_addr1) && kArrayFloIds.includes(flo_addr2)){
+            for(var i = kArrayFloIds.indexOf(flo_addr2); i!= flo_addr1; i++){
+                if(i >= kArrayFloIds.length)
+                    i = -1
+                else
+                    outterNodes.push(kArrayFloIds[i])
+            }
+            resolve(outterNodes)
+          }else
+            reject('Given nodes are not in KBucket')
+        });
+      },
+
+      getPrevSupernode: function(flo_addr, n = 1, KB = this.supernodeKBucket){
+        return new Promise((resolve, reject) => {
+          try {
+            let kArrayFloIds = KB.toArray().map(k => k.floID);
+            let pos = kArrayFloIds.indexOf(flo_addr)
+            var prevSupernode = []
+            for(var i = 1; i <= n; i++){
+                if(pos - i < 0)
+                    var prev = pos - i + kArrayFloIds.length
+                else
+                    var prev = pos - i
+                prevSupernode.push(kArrayFloIds[prev])
+            }
+            resolve(prevSupernode);
+          } catch (error) {
+            reject(error);
+          }
+        });
+      },
+
+      getNextSupernode: function(flo_addr, n = 1, KB = this.supernodeKBucket){
+        return new Promise((resolve, reject) => {
+          try {
+            let kArrayFloIds = KB.toArray().map(k => k.floID);
+            let pos = kArrayFloIds.indexOf(flo_addr)
+            var nextSupernode = []
+            for(var i = 1; i <= n; i++){
+                if(pos + i >= kArrayFloIds.length)
+                    var next = pos + i - kArrayFloIds.length
+                else
+                    var next = pos + i
+                nextSupernode.push(kArrayFloIds[next])
+            }
+            resolve(nextSupernode);
+          } catch (error) {
+            reject(error);
+          }
+        });
+      },
+
+      determineClosestSupernode: function (flo_addr, n = 1, KB = this.supernodeKBucket) {
+        return new Promise((resolve, reject) => {
+          try {
+            let isFloIdUint8 = flo_addr instanceof Uint8Array;
+            if (!isFloIdUint8)
+              flo_addr = this.floIdToKbucketId(flo_addr);
+            var closestSupernode = KB.closest(flo_addr, n);
+            closestSupernode = closestSupernode.map(k => k.floID);
+            resolve(closestSupernode);
+          } catch (error) {
+            reject(error);
+          }
+        });
+      }
+    },
+
+    sendDataToSN(data, snfloID){
+        return new Promise((resolve, reject) => {
+            var websocket = new WebSocket("wss://" + floGlobals.supernodes[snfloID].uri + "/ws");
+            websocket.onmessage = (evt => {
+                if(evt.data == '$+'){
+                    websocket.send(data);
+                    resolve(`Data sent to supernode : ${snfloID}`);
+                }else if(evt.data == '$-'){
+                    this.kBucket.getNextSupernode(snfloID).then(nextNode => {
+                        this.sendDataToSN(data, nextNode[0])
+                            .then(result => resolve(result))
+                            .catch(error => reject(error))
+                    }).catch(error => reject(error))
+                }else{
+                    console.log(evt.data)
+                    reject(evt.data)
+                }
+                websocket.close();
+            })
+            websocket.onerror = (evt) => {
+                this.kBucket.getNextSupernode(snfloID).then(nextNode => {
+                    this.sendDataToSN(data, nextNode[0])
+                        .then(result => resolve(result))
+                        .catch(error => reject(error))
+                }).catch(error => reject(error))
+            };
+        })
+    },
+
+    //Sends data to the supernode
+    sendData: function (data, floID) {
+      return new Promise((resolve, reject) => {
+        this.kBucket.determineClosestSupernode(floID).then(closestNode => {
+            this.sendDataToSN(data, closestNode[0])
+                .then(result => resolve(result))
+                .catch(error => reject(error))
+        }).catch(error => {
+            reject(error);
+        });
+      });
+    },
+
+    requestDataFromSN(request, snfloID){
+        return new Promise((resolve, reject) => {
+            var websocket = new WebSocket("wss://" + floGlobals.supernodes[snfloID].uri + "/ws");
+            websocket.onmessage = (evt => {
+                if(evt.data == '$+'){
+                    websocket.send(`?${request}`);
+                }else if(evt.data == '$-'){
+                    this.kBucket.getNextSupernode(snfloID).then(nextNode => {
+                        this.requestDataFromSN(request, nextNode[0])
+                            .then(result => resolve(result))
+                            .catch(error => reject(error))
+                    }).catch(error => reject(error))
+                    websocket.close()
+                }else{
+                    resolve(evt.data);
+                    websocket.close();
+                }
+            })
+            websocket.onerror = (evt) => {
+                this.kBucket.getNextSupernode(snfloID).then(nextNode => {
+                    this.requestDataFromSN(request, nextNode[0])
+                        .then(result => resolve(result))
+                        .catch(error => reject(error))
+                }).catch(error => reject(error))
+            };
+        })
+    },
+
+    //Request data from supernode
+    requestData: function (request, floID) {
+      return new Promise((resolve, reject) => {
+        this.kBucket.determineClosestSupernode(floID).then(closestNode => {
+            this.requestDataFromSN(request, closestNode[0])
+                .then(result => resolve(result))
+                .catch(error => reject(error))
+        }).catch(error => {
+            reject(error);
+        });
+      });
+    }
+  }
+
+  /**Kademlia DHT K-bucket implementation as a binary tree.
+   * Implementation of a Kademlia DHT k-bucket used for storing
+   * contact (peer node) information.
+   *
+   * @extends EventEmitter
+   */
+   function BuildKBucket(options = {}) {
+    /**
+     * `options`:
+     *   `distance`: Function
+     *     `function (firstId, secondId) { return distance }` An optional
+     *     `distance` function that gets two `id` Uint8Arrays
+     *     and return distance (as number) between them.
+     *   `arbiter`: Function (Default: vectorClock arbiter)
+     *     `function (incumbent, candidate) { return contact; }` An optional
+     *     `arbiter` function that givent two `contact` objects with the same `id`
+     *     returns the desired object to be used for updating the k-bucket. For
+     *     more details, see [arbiter function](#arbiter-function).
+     *   `localNodeId`: Uint8Array An optional Uint8Array representing the local node id.
+     *     If not provided, a local node id will be created via `randomBytes(20)`.
+     *     `metadata`: Object (Default: {}) Optional satellite data to include
+     *     with the k-bucket. `metadata` property is guaranteed not be altered by,
+     *     it is provided as an explicit container for users of k-bucket to store
+     *     implementation-specific data.
+     *   `numberOfNodesPerKBucket`: Integer (Default: 20) The number of nodes
+     *     that a k-bucket can contain before being full or split.
+     *     `numberOfNodesToPing`: Integer (Default: 3) The number of nodes to
+     *     ping when a bucket that should not be split becomes full. KBucket will
+     *     emit a `ping` event that contains `numberOfNodesToPing` nodes that have
+     *     not been contacted the longest.
+     *
+     * @param {Object=} options optional
+     */
+
+    this.localNodeId = options.localNodeId || window.crypto.getRandomValues(new Uint8Array(20))
+    this.numberOfNodesPerKBucket = options.numberOfNodesPerKBucket || 20
+    this.numberOfNodesToPing = options.numberOfNodesToPing || 3
+    this.distance = options.distance || this.distance
+    // use an arbiter from options or vectorClock arbiter by default
+    this.arbiter = options.arbiter || this.arbiter
+    this.metadata = Object.assign({}, options.metadata)
+
+    this.createNode = function () {
+      return {
+        contacts: [],
+        dontSplit: false,
+        left: null,
+        right: null
+      }
+    }
+
+    this.ensureInt8 = function (name, val) {
+      if (!(val instanceof Uint8Array)) {
+        throw new TypeError(name + ' is not a Uint8Array')
+      }
+    }
+
+    /**
+     * @param  {Uint8Array} array1
+     * @param  {Uint8Array} array2
+     * @return {Boolean}
+     */
+    this.arrayEquals = function (array1, array2) {
+      if (array1 === array2) {
+        return true
+      }
+      if (array1.length !== array2.length) {
+        return false
+      }
+      for (let i = 0, length = array1.length; i < length; ++i) {
+        if (array1[i] !== array2[i]) {
+          return false
+        }
+      }
+      return true
+    }
+
+    this.ensureInt8('option.localNodeId as parameter 1', this.localNodeId)
+    this.root = this.createNode()
+
+    /**
+     * Default arbiter function for contacts with the same id. Uses
+     * contact.vectorClock to select which contact to update the k-bucket with.
+     * Contact with larger vectorClock field will be selected. If vectorClock is
+     * the same, candidat will be selected.
+     *
+     * @param  {Object} incumbent Contact currently stored in the k-bucket.
+     * @param  {Object} candidate Contact being added to the k-bucket.
+     * @return {Object}           Contact to updated the k-bucket with.
+     */
+    this.arbiter = function (incumbent, candidate) {
+      return incumbent.vectorClock > candidate.vectorClock ? incumbent : candidate
+    }
+
+    /**
+     * Default distance function. Finds the XOR
+     * distance between firstId and secondId.
+     *
+     * @param  {Uint8Array} firstId  Uint8Array containing first id.
+     * @param  {Uint8Array} secondId Uint8Array containing second id.
+     * @return {Number}              Integer The XOR distance between firstId
+     *                               and secondId.
+     */
+    this.distance = function (firstId, secondId) {
+      let distance = 0
+      let i = 0
+      const min = Math.min(firstId.length, secondId.length)
+      const max = Math.max(firstId.length, secondId.length)
+      for (; i < min; ++i) {
+        distance = distance * 256 + (firstId[i] ^ secondId[i])
+      }
+      for (; i < max; ++i) distance = distance * 256 + 255
+      return distance
+    }
+
+    /**
+     * Adds a contact to the k-bucket.
+     *
+     * @param {Object} contact the contact object to add
+     */
+    this.add = function (contact) {
+      this.ensureInt8('contact.id', (contact || {}).id)
+
+      let bitIndex = 0
+      let node = this.root
+
+      while (node.contacts === null) {
+        // this is not a leaf node but an inner node with 'low' and 'high'
+        // branches; we will check the appropriate bit of the identifier and
+        // delegate to the appropriate node for further processing
+        node = this._determineNode(node, contact.id, bitIndex++)
+      }
+
+      // check if the contact already exists
+      const index = this._indexOf(node, contact.id)
+      if (index >= 0) {
+        this._update(node, index, contact)
+        return this
+      }
+
+      if (node.contacts.length < this.numberOfNodesPerKBucket) {
+        node.contacts.push(contact)
+        return this
+      }
+
+      // the bucket is full
+      if (node.dontSplit) {
+        // we are not allowed to split the bucket
+        // we need to ping the first this.numberOfNodesToPing
+        // in order to determine if they are alive
+        // only if one of the pinged nodes does not respond, can the new contact
+        // be added (this prevents DoS flodding with new invalid contacts)
+        return this
+      }
+
+      this._split(node, bitIndex)
+      return this.add(contact)
+    }
+
+    /**
+     * Get the n closest contacts to the provided node id. "Closest" here means:
+     * closest according to the XOR metric of the contact node id.
+     *
+     * @param  {Uint8Array} id  Contact node id
+     * @param  {Number=} n      Integer (Default: Infinity) The maximum number of
+     *                          closest contacts to return
+     * @return {Array}          Array Maximum of n closest contacts to the node id
+     */
+    this.closest = function (id, n = Infinity) {
+      this.ensureInt8('id', id)
+
+      if ((!Number.isInteger(n) && n !== Infinity) || n <= 0) {
+        throw new TypeError('n is not positive number')
+      }
+
+      let contacts = []
+
+      for (let nodes = [this.root], bitIndex = 0; nodes.length > 0 && contacts.length < n;) {
+        const node = nodes.pop()
+        if (node.contacts === null) {
+          const detNode = this._determineNode(node, id, bitIndex++)
+          nodes.push(node.left === detNode ? node.right : node.left)
+          nodes.push(detNode)
+        } else {
+          contacts = contacts.concat(node.contacts)
+        }
+      }
+
+      return contacts
+        .map(a => [this.distance(a.id, id), a])
+        .sort((a, b) => a[0] - b[0])
+        .slice(0, n)
+        .map(a => a[1])
+    }
+
+    /**
+     * Counts the total number of contacts in the tree.
+     *
+     * @return {Number} The number of contacts held in the tree
+     */
+    this.count = function () {
+      // return this.toArray().length
+      let count = 0
+      for (const nodes = [this.root]; nodes.length > 0;) {
+        const node = nodes.pop()
+        if (node.contacts === null) nodes.push(node.right, node.left)
+        else count += node.contacts.length
+      }
+      return count
+    }
+
+    /**
+     * Determines whether the id at the bitIndex is 0 or 1.
+     * Return left leaf if `id` at `bitIndex` is 0, right leaf otherwise
+     *
+     * @param  {Object} node     internal object that has 2 leafs: left and right
+     * @param  {Uint8Array} id   Id to compare localNodeId with.
+     * @param  {Number} bitIndex Integer (Default: 0) The bit index to which bit
+     *                           to check in the id Uint8Array.
+     * @return {Object}          left leaf if id at bitIndex is 0, right leaf otherwise.
+     */
+    this._determineNode = function (node, id, bitIndex) {
+      // *NOTE* remember that id is a Uint8Array and has granularity of
+      // bytes (8 bits), whereas the bitIndex is the bit index (not byte)
+
+      // id's that are too short are put in low bucket (1 byte = 8 bits)
+      // (bitIndex >> 3) finds how many bytes the bitIndex describes
+      // bitIndex % 8 checks if we have extra bits beyond byte multiples
+      // if number of bytes is <= no. of bytes described by bitIndex and there
+      // are extra bits to consider, this means id has less bits than what
+      // bitIndex describes, id therefore is too short, and will be put in low
+      // bucket
+      const bytesDescribedByBitIndex = bitIndex >> 3
+      const bitIndexWithinByte = bitIndex % 8
+      if ((id.length <= bytesDescribedByBitIndex) && (bitIndexWithinByte !== 0)) {
+        return node.left
+      }
+
+      const byteUnderConsideration = id[bytesDescribedByBitIndex]
+
+      // byteUnderConsideration is an integer from 0 to 255 represented by 8 bits
+      // where 255 is 11111111 and 0 is 00000000
+      // in order to find out whether the bit at bitIndexWithinByte is set
+      // we construct (1 << (7 - bitIndexWithinByte)) which will consist
+      // of all bits being 0, with only one bit set to 1
+      // for example, if bitIndexWithinByte is 3, we will construct 00010000 by
+      // (1 << (7 - 3)) -> (1 << 4) -> 16
+      if (byteUnderConsideration & (1 << (7 - bitIndexWithinByte))) {
+        return node.right
+      }
+
+      return node.left
+    }
+
+    /**
+     * Get a contact by its exact ID.
+     * If this is a leaf, loop through the bucket contents and return the correct
+     * contact if we have it or null if not. If this is an inner node, determine
+     * which branch of the tree to traverse and repeat.
+     *
+     * @param  {Uint8Array} id The ID of the contact to fetch.
+     * @return {Object|Null}   The contact if available, otherwise null
+     */
+    this.get = function (id) {
+      this.ensureInt8('id', id)
+
+      let bitIndex = 0
+
+      let node = this.root
+      while (node.contacts === null) {
+        node = this._determineNode(node, id, bitIndex++)
+      }
+
+      // index of uses contact id for matching
+      const index = this._indexOf(node, id)
+      return index >= 0 ? node.contacts[index] : null
+    }
+
+    /**
+     * Returns the index of the contact with provided
+     * id if it exists, returns -1 otherwise.
+     *
+     * @param  {Object} node    internal object that has 2 leafs: left and right
+     * @param  {Uint8Array} id  Contact node id.
+     * @return {Number}         Integer Index of contact with provided id if it
+     *                          exists, -1 otherwise.
+     */
+    this._indexOf = function (node, id) {
+      for (let i = 0; i < node.contacts.length; ++i) {
+        if (this.arrayEquals(node.contacts[i].id, id)) return i
+      }
+
+      return -1
+    }
+
+    /**
+     * Removes contact with the provided id.
+     *
+     * @param  {Uint8Array} id The ID of the contact to remove.
+     * @return {Object}        The k-bucket itself.
+     */
+    this.remove = function (id) {
+      this.ensureInt8('the id as parameter 1', id)
+
+      let bitIndex = 0
+      let node = this.root
+
+      while (node.contacts === null) {
+        node = this._determineNode(node, id, bitIndex++)
+      }
+
+      const index = this._indexOf(node, id)
+      if (index >= 0) {
+        const contact = node.contacts.splice(index, 1)[0]
+      }
+
+      return this
+    }
+
+    /**
+     * Splits the node, redistributes contacts to the new nodes, and marks the
+     * node that was split as an inner node of the binary tree of nodes by
+     * setting this.root.contacts = null
+     *
+     * @param  {Object} node     node for splitting
+     * @param  {Number} bitIndex the bitIndex to which byte to check in the
+     *                           Uint8Array for navigating the binary tree
+     */
+    this._split = function (node, bitIndex) {
+      node.left = this.createNode()
+      node.right = this.createNode()
+
+      // redistribute existing contacts amongst the two newly created nodes
+      for (const contact of node.contacts) {
+        this._determineNode(node, contact.id, bitIndex).contacts.push(contact)
+      }
+
+      node.contacts = null // mark as inner tree node
+
+      // don't split the "far away" node
+      // we check where the local node would end up and mark the other one as
+      // "dontSplit" (i.e. "far away")
+      const detNode = this._determineNode(node, this.localNodeId, bitIndex)
+      const otherNode = node.left === detNode ? node.right : node.left
+      otherNode.dontSplit = true
+    }
+
+    /**
+     * Returns all the contacts contained in the tree as an array.
+     * If this is a leaf, return a copy of the bucket. `slice` is used so that we
+     * don't accidentally leak an internal reference out that might be
+     * accidentally misused. If this is not a leaf, return the union of the low
+     * and high branches (themselves also as arrays).
+     *
+     * @return {Array} All of the contacts in the tree, as an array
+     */
+    this.toArray = function () {
+      let result = []
+      for (const nodes = [this.root]; nodes.length > 0;) {
+        const node = nodes.pop()
+        if (node.contacts === null) nodes.push(node.right, node.left)
+        else result = result.concat(node.contacts)
+      }
+      return result
+    }
+
+    /**
+     * Updates the contact selected by the arbiter.
+     * If the selection is our old contact and the candidate is some new contact
+     * then the new contact is abandoned (not added).
+     * If the selection is our old contact and the candidate is our old contact
+     * then we are refreshing the contact and it is marked as most recently
+     * contacted (by being moved to the right/end of the bucket array).
+     * If the selection is our new contact, the old contact is removed and the new
+     * contact is marked as most recently contacted.
+     *
+     * @param  {Object} node    internal object that has 2 leafs: left and right
+     * @param  {Number} index   the index in the bucket where contact exists
+     *                          (index has already been computed in a previous
+     *                          calculation)
+     * @param  {Object} contact The contact object to update.
+     */
+    this._update = function (node, index, contact) {
+      // sanity check
+      if (!this.arrayEquals(node.contacts[index].id, contact.id)) {
+        throw new Error('wrong index for _update')
+      }
+
+      const incumbent = node.contacts[index]
+      const selection = this.arbiter(incumbent, contact)
+      // if the selection is our old contact and the candidate is some new
+      // contact, then there is nothing to do
+      if (selection === incumbent && incumbent !== contact) return
+
+      node.contacts.splice(index, 1) // remove old contact
+      node.contacts.push(selection) // add more recent contact version
+
+    }
+  }
+
+</script>
+<script id="compactIDB">
+  /* Compact IndexedDB operations */
+
+  window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+  window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
+  window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
+
+  if (!window.indexedDB)
+    window.alert("Your browser doesn't support a stable version of IndexedDB.")
+
+  const compactIDB = {
+
+    setDefaultDB: function (dbName) {
+      this.dbName = dbName;
+    },
+
+    initDB: function (dbName, objectStores = {}) {
+      return new Promise((resolve, reject) => {
+        this.dbName = this.dbName || dbName;
+        var idb = indexedDB.open(dbName);
+        idb.onerror = (event) => {
+          reject("Error in opening IndexedDB!");
+        };
+        idb.onupgradeneeded = (event) => {
+          var db = event.target.result;
+          for (obs in objectStores) {
+            var objectStore = db.createObjectStore(obs, objectStores[obs].options || {});
+            if (objectStores[obs].indexes && typeof objectStores[obs].indexes === 'object')
+              for (i in objectStores[obs].indexes)
+                objectStore.createIndex(i, i, objectStores[obs].indexes[i] || {});
+          }
+        }
+        idb.onsuccess = (event) => {
+          var db = event.target.result;
+          if (JSON.stringify(Object.values(db.objectStoreNames).sort()) === JSON.stringify(Object.keys(
+              objectStores).sort()))
+            resolve("Initiated IndexedDB");
+          else
+            reject("IndexedDB already exist with different ObjectStores!");
+          db.close();
+        }
+      });
+    },
+
+    openDB: function (dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        var idb = indexedDB.open(dbName);
+        idb.onerror = (event) => reject("Error in opening IndexedDB!");
+        idb.onsuccess = (event) => resolve(event.target.result);
+      });
+    },
+
+    deleteDB: function (dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        var deleteReq = indexedDB.deleteDatabase(dbName);;
+        deleteReq.onerror = (event) => reject("Error deleting database!");
+        deleteReq.onsuccess = (event) => resolve("Database deleted successfully");
+      });
+    },
+
+    writeData: function (obsName, data, key = false, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+          let writeReq = (key ? obs.put(data, key) : obs.put(data));
+          writeReq.onsuccess = (evt) => resolve(`Write data Successful`);
+          writeReq.onerror = (evt) => reject(
+            `Write data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    },
+
+    addData: function (obsName, data, key = false, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+          let addReq = (key ? obs.add(data, key) : obs.add(data));
+          addReq.onsuccess = (evt) => resolve(`Add data successful`);
+          addReq.onerror = (evt) => reject(
+            `Add data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    },
+
+    removeData: function (obsName, key, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+          let delReq = obs.delete(key);
+          delReq.onsuccess = (evt) => resolve(`Removed Data ${key}`);
+          delReq.onerror = (evt) => reject(
+            `Remove data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    },
+
+    readData: function (obsName, key, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+          let getReq = obs.get(key);
+          getReq.onsuccess = (evt) => resolve(evt.target.result);
+          getReq.onerror = (evt) => reject(
+            `Read data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    },
+
+    readAllData: function (obsName, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+          var tmpResult = {}
+          let curReq = obs.openCursor();
+          curReq.onsuccess = (evt) => {
+            var cursor = evt.target.result;
+            if (cursor) {
+              tmpResult[cursor.primaryKey] = cursor.value;
+              cursor.continue();
+            } else
+              resolve(tmpResult);
+          }
+          curReq.onerror = (evt) => reject(
+            `Read-All data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    },
+
+    searchData: function (obsName, patternEval, dbName = this.dbName) {
+      return new Promise((resolve, reject) => {
+        this.openDB(dbName).then(db => {
+          var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+          var filteredResult = {}
+          let curReq = obs.openCursor();
+          curReq.onsuccess = (evt) => {
+            var cursor = evt.target.result;
+            if (cursor) {
+              if (patternEval(cursor.primaryKey, cursor.value))
+                filteredResult[cursor.primaryKey] = cursor.value;
+              cursor.continue();
+            } else
+              resolve(filteredResult);
+          }
+          curReq.onerror = (evt) => reject(
+            `Search unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+          db.close();
+        }).catch(error => reject(error));
+      });
+    }
+  }
+</script>
+<script id="floCloudAPI">
+    /* FLO Cloud operations to send/request application data*/
+    const floCloudAPI = {
+
+        util:{
+            resetData: function(dataSet){
+                try{
+                    dataSet = JSON.parse(dataSet);
+                    console.log(dataSet)
+                    for(vc in dataSet){
+                        var message = dataSet[vc].message;
+                        if(message.reset){
+                            floGlobals.appObjects[message.object] = message.reset
+                            floGlobals.vectorClock[message.object] = vc
+                            compactIDB.writeData("appObjects", floGlobals.appObjects[message.object], message.object)
+                            compactIDB.writeData("vectorClock", vc, message.object)
+                        }
+                    }
+                }catch(error){
+                    console.error(error)
+                }
+            },
+
+            updateData: function(dataSet){
+                try{
+                    dataSet = JSON.parse(dataSet);
+                    console.log(dataSet)
+                    for(vc in dataSet){
+                            var message = dataSet[vc].message;
+                            if(message.diff){
+                                floGlobals.appObjects[message.object] = mergeDifference(floGlobals.appObjects[message.object], message.diff)
+                                compactIDB.writeData("appObjects",floGlobals.appObjects[message.object], message.object)
+                            }
+                        floGlobals.vectorClock[message.object] = vc
+                        compactIDB.writeData("vectorClock", vc, message.object)
+                    }
+                }catch(error){
+                    console.error(error)
+                }
+            },
+        
+            storeGeneralData: function(filterStr, dataSet){
+                try{
+                    dataSet = JSON.parse(dataSet);
+                    console.log(dataSet)
+                    if(!Array.isArray(floGlobals.generalData[filterStr]))
+                        floGlobals.generalData[filterStr] = [] 
+                    for(vc in dataSet){
+                        floGlobals.generalData[filterStr].push({sender: dataSet[vc].senderID, vectorClock: vc, message: dataSet[vc].message})
+                        compactIDB.writeData("generalData", floGlobals.generalData[filterStr], filterStr)
+                        floGlobals.generalVC[filterStr] = vc
+                        compactIDB.writeData("generalVC", vc, filterStr)
+                    }
+                }catch(error){
+                    console.error(error)
+                }
+            }
+        },
+
+        //send Any message to supernode cloud storage
+        sendApplicationData: function(message, type, options = {}){
+            return new Promise((resolve,reject) => {
+                var data = {
+                    senderID : myFloID,
+                    receiverID: options.receiverID || floGlobals.adminID,
+                    pubKey : myPubKey,
+                    message : message,
+                    sign: floCrypto.signData(JSON.stringify(message), myPrivKey),
+                    application : options.application || floGlobals.application,
+                    type: type,
+                    comment: options.comment || ""
+                }
+                floSupernode.sendData(JSON.stringify(data), data.receiverID)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error))
+            })
+        },
+
+        //request any data from supernode cloud
+        requestApplicationData: function(options = {}){
+            return new Promise((resolve,reject) => {
+                var request = {
+                    receiverID: options.receiverID || floGlobals.adminID,
+                    senderIDs: options.senderIDs || undefined,
+                    application: options.application || floGlobals.application,
+                    type: options.type || undefined,
+                    comment: options.comment || undefined,
+                    lowerVectorClock: options.lowerVectorClock || undefined,
+                    upperVectorClock: options.upperVectorClock || undefined,
+                    atVectorClock: options.atVectorClock || undefined,
+                    mostRecent: options.mostRecent || undefined,
+                }
+                floSupernode.requestData(JSON.stringify(request), request.receiverID)
+                    .then(response => resolve(response))
+                    .catch(error => reject(error))
+            })
+        },
+
+        //send General Data
+        sendGeneralData: function(message, type, options = {}){
+            return new Promise((resolve,reject) => {
+                this.sendApplicationData(message, type, options)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error))
+            })
+        },
+
+        //request General Data
+        requestGeneralData: function(type, options = {}){
+            return new Promise((resolve,reject) => {
+                var filterStr = JSON.stringify({application: options.application || floGlobals.application, type: type, comment: options.comment})
+                options.type = type
+                options.lowerVectorClock = options.lowerVectorClock || floGlobals.generalVC[filterStr] + 1
+                this.requestApplicationData(options).then(dataSet => {
+                    this.util.storeGeneralData(filterStr, dataSet)
+                    resolve('General Data Updated')
+                }).catch(error => reject(error))
+            })
+        },
+
+        //request an object data from supernode cloud
+        requestObjectData: function(objectName, options = {}){
+            return new Promise((resolve,reject) => {
+                var request = {
+                    receiverID: options.receiverID || floGlobals.adminID,
+                    senderIDs: (options.senderIDs === false) ? false: options.senderIDs || floGlobals.subAdmins,
+                    application: options.application || floGlobals.application,
+                    comment: options.comment,
+                    type: `${objectName}@Reset`,
+                    lowerVectorClock: floGlobals.vectorClock[objectName]+1,
+                    mostRecent: true
+                }
+                floSupernode.requestData(JSON.stringify(request),request.receiverID).then(dataSet => {
+                    this.util.resetData(dataSet)
+                    request.type = `${objectName}@Update`
+                    request.lowerVectorClock = floGlobals.vectorClock[objectName]+1
+                    request.mostRecent = false
+                    floSupernode.requestData(JSON.stringify(request), request.receiverID).then(dataSet => {
+                        this.util.updateData(dataSet)
+                        resolve('Object Data Updated')
+                    }).catch(error => reject(error))
+                }).catch(error => reject(error))
+            })
+        },
+
+        //reset or initialize an object and send it to cloud
+        resetObjectData: function(newObject, objectName, options = {}){
+            return new Promise((resolve,reject) => {
+                var message = {
+                    division: options.division || floGlobals.division, 
+                    object: objectName, 
+                    vectorClock: floGlobals.vectorClock[objectName], 
+                    reset: newObject
+                }
+                this.sendApplicationData(message, `${objectName}@Reset`, options)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error))
+            })
+        },
+
+        //update the diff and send it to cloud
+        updateObjectData: function(oldObject, newObject, objectName, options = {}){
+            return new Promise((resolve,reject) => {
+                var message = {
+                    division: options.division || floGlobals.division,
+                    object: objectName, 
+                    vectorClock: floGlobals.vectorClock[objectName],
+                    diff: findDifference(oldObject, newObject)
+                }
+                this.sendApplicationData(message, `${objectName}@Update`, options)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error))
+            })
+        }
+    }
+</script>
+<script id="floDapps">
+    /* General functions for FLO Dapps*/
+    const floDapps = {
+
+        util:{
+            appObs:{},
+
+            initIndexedDB: function(){
+                return new Promise((resolve, reject) => {
+                    var storageList = floGlobals.storageList;
+                    var obj = {
+                        //general
+                        lastTx:{},
+                        //supernode (cloud list)
+                        supernodes:{
+                            indexes:{ uri:null, pubKey:null }
+                        },
+                        //login credentials
+                        credentials:{},
+                        //for Dapps
+                        subAdmins:{},
+                        appObjects:{},
+                        vectorClock:{},
+                        generalData:{},
+                        generalVC:{},
+                         /* ecommerce app */
+                        // general purposes datastores
+                        myInfo: {
+                            indexes: {floId: null}
+                        },
+                        my_orders_history: {},
+
+                        // for Seller view
+                        sellerProducts: {},
+
+                        // for Buyer view
+                        my_search_history: {},
+
+                        // Cashier
+                        approved_buy_orders: {},
+                    }
+                    //add other given objectStores
+                    for(o in this.appObs)
+                        if(!(o in obj))
+                            obj[o] = this.appObs[o]
+                    compactIDB.initDB(floGlobals.application, obj).then(result => {
+                        resolve("IndexedDB App Storage Initated Successfully")
+                    }).catch(error => reject(error));
+                })
+            },
+            
+            privKeyInput: function(){
+                return new Promise((resolve, reject) => {
+                    var privKey = prompt("Enter Private Key: ")
+                    if(privKey === null)
+                        reject(null)
+                    else
+                        resolve(privKey)
+                })
+            },
+
+            startUpFunctions:{
+
+                readSupernodeListFromAPI: function(){
+                    return new Promise((resolve,reject) => {
+                        compactIDB.readData("lastTx",floGlobals.SNStorageID).then(lastTx => {
+                            floBlockchainAPI.readData(floGlobals.SNStorageID,{ignoreOld:lastTx,sentOnly:true,pattern:"SuperNodeStorage"}).then(result => {
+                                for(var i=result.data.length-1;i>=0;i--){
+                                    var content = JSON.parse(result.data[i]).SuperNodeStorage;
+                                    for(sn in content.removeNodes)
+                                        compactIDB.removeData("supernodes",sn);
+                                    for(sn in content.addNodes)
+                                        compactIDB.writeData("supernodes",content.addNodes[sn],sn);
+                                }
+                                compactIDB.writeData("lastTx",result.totalTxs,floGlobals.SNStorageID);
+                                compactIDB.readAllData("supernodes").then(result => {
+                                    floGlobals.supernodes = result;
+                                    
+                                    floSupernode.kBucket.launch(Object.keys(floGlobals.supernodes),floGlobals.SNStorageID)
+                                        .then(result => resolve("Loaded Supernode list\n"+result))                   
+                                })
+                            })
+                        }).catch(error => reject(error))
+                    })
+                },
+
+                readSubAdminListFromAPI: function(){
+                    return new Promise((resolve,reject) => {
+                        compactIDB.readData("lastTx",floGlobals.adminID).then(lastTx => {
+                            floBlockchainAPI.readData(floGlobals.adminID,{ignoreOld:lastTx,sentOnly:true,pattern:floGlobals.application}).then(result => {
+                                for(var i=result.data.length-1;i>=0;i--){
+                                    var content = JSON.parse(result.data[i])[floGlobals.application];
+                                    if(Array.isArray(content.removeSubAdmin))
+                                        for(var j = 0; j < content.removeSubAdmin.length; j++)
+                                            compactIDB.removeData("subAdmins",content.removeSubAdmin[j]);
+                                    if(Array.isArray(content.addSubAdmin))
+                                        for(var k = 0; k < content.addSubAdmin.length; k++)
+                                            compactIDB.writeData("subAdmins",true,content.addSubAdmin[k]);
+                                }
+                                compactIDB.writeData("lastTx",result.totalTxs,floGlobals.adminID);
+                                compactIDB.readAllData("subAdmins").then(result => {
+                                    floGlobals.subAdmins = Object.keys(result);
+                                    resolve("Read subAdmins from blockchain");                    
+                                })
+                            })
+                        }).catch(error => reject(error))
+                    })
+                },
+
+                loadDataFromIDB: function(){
+                    return new Promise((resolve,reject) => {
+                        var loadData = ["appObjects", "vectorClock", "generalData", "generalVC"]
+                        var promises = []
+                        for(var i = 0; i < loadData.length; i++)
+                            promises[i] = compactIDB.readAllData(loadData[i])
+                        Promise.all(promises).then(results => {
+                            for(var i = 0; i < loadData.length; i++)
+                                floGlobals[loadData[i]] = results[i]
+                            resolve("Loaded Data from IDB")
+                        }).catch(error => reject(error))
+                    })
+                },
+
+                getCredentials: function(){
+
+                    var readSharesFromIDB = function(indexArr){
+                        return new Promise((resolve, reject) => {
+                            var promises = []
+                            for(var i = 0; i < indexArr.length; i++)
+                                promises.push(compactIDB.readData('credentials', indexArr[i]))
+                            Promise.all(promises).then(shares => {
+                                var secret = floCrypto.retrieveShamirSecret(shares)
+                                if(secret)
+                                    resolve(secret)
+                                else
+                                    reject("Shares are insufficient or incorrect")
+                            }).catch(error => reject(error))
+                        })
+                    }
+
+                    var writeSharesToIDB = function(shares, i = 0, resultIndexes = []){
+                        return new Promise((resolve, reject) => {
+                            if(i >= shares.length)
+                                return resolve(resultIndexes)
+                            var n = floCrypto.randInt(0, 100000)
+                            compactIDB.addData("credentials", shares[i], n).then(res => {
+                                resultIndexes.push(n)
+                                writeSharesToIDB(shares, i+1, resultIndexes)
+                                    .then(result => resolve(result))
+                            }).catch(error => {
+                                writeSharesToIDB(shares, i, resultIndexes)
+                                    .then(result => resolve(result))
+                            })
+                        }) 
+                    }
+
+                    var getPrivateKeyCredentials = function(){
+                        return new Promise((resolve, reject) => {
+                            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
+                            if(indexArr){
+                                readSharesFromIDB(JSON.parse(indexArr))
+                                    .then(result => resolve(result))
+                                    .catch(error => reject(error))
+                            }else{
+                                var privKey;
+                                floDapps.util.privKeyInput().then(result => {
+                                    try{
+                                        if(!result)
+                                            return reject("Empty Private Key")
+                                        var floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(result))
+                                        privKey = result
+                                    }catch(error){
+                                        console.error(error)
+                                        return reject("Invalid Private Key")
+                                    }
+                                }).catch(error => {
+                                    console.log(error, "Generating Random Keys")
+                                    privKey = floCrypto.generateNewID().privKey
+                                }).finally(_ => {
+                                    var threshold = floCrypto.randInt(10,20)
+                                    writeSharesToIDB(floCrypto.createShamirsSecretShares(privKey, threshold, threshold)).then(resultIndexes =>{
+                                        //store index keys in localStorage
+                                        localStorage.setItem(`${floGlobals.application}#privKey`, JSON.stringify(resultIndexes))
+                                        //also add a dummy privatekey to the IDB
+                                        var randomPrivKey = floCrypto.generateNewID().privKey
+                                        var randomThreshold = floCrypto.randInt(10,20)
+                                        writeSharesToIDB(floCrypto.createShamirsSecretShares(randomPrivKey, randomThreshold, randomThreshold))
+                                        //resolve private Key
+                                        resolve(privKey)
+                                    }).catch(error => reject(error))
+                                })
+                            }
+                        })
+                    }
+
+                    return new Promise((resolve, reject) => {
+                        getPrivateKeyCredentials().then(privKey => {
+                            myPrivKey = privKey
+                            myPubKey = floCrypto.getPubKeyHex(myPrivKey)
+                            myFloID = floCrypto.getFloIDfromPubkeyHex(myPubKey)
+                            resolve('Login Credentials loaded successful')
+                        }).catch(error => reject(error))
+                    })
+                }
+    
+            },
+
+            callStartUpFunction: function(fname){
+                return new Promise((resolve, reject) => {
+                    this.startUpFunctions[fname]().then(result => {
+                        this.callStartUpFunction.completed += 1
+                        reactor.dispatchEvent("startUpSuccessLog",`${result}\nCompleted ${this.callStartUpFunction.completed}/${this.callStartUpFunction.total} Startup functions`)
+                        resolve(true)
+                    }).catch(error => {
+                        this.callStartUpFunction.failed += 1
+                        reactor.dispatchEvent("startUpErrorLog",`${error}\nFailed ${this.callStartUpFunction.failed}/${this.callStartUpFunction.total} Startup functions`)
+                        reject(false)
+                    })
+                })
+            },
+
+            getFilterString: function(type, options = {}){
+                var filterStr = JSON.stringify({application: options.application || floGlobals.application, type: type, comment: options.comment})
+                return filterStr
+            }
+        },
+        
+        launchStartUp: function(){
+            return new Promise((resolve,reject) => {
+                this.util.initIndexedDB().then(log => {
+                    console.log(log)
+                    this.util.callStartUpFunction.total = Object.keys(this.util.startUpFunctions).length
+                    this.util.callStartUpFunction.completed = 0
+                    this.util.callStartUpFunction.failed = 0
+                    var promises = []
+                    for(fn in this.util.startUpFunctions)
+                        promises.push(this.util.callStartUpFunction(fn))
+                    Promise.all(promises)
+                        .then(results => resolve('App Startup finished successful'))
+                        .catch(errors => reject('App StartUp failed'))
+                })
+            })
+        },
+        
+        addStartUpFunction: function(fname, fn){
+            if(fname in this.util.startUpFunctions)
+                throw(`Function ${fname} already defined`)
+            this.util.startUpFunctions[fname] = fn;
+        },
+
+        setCustomPrivKeyInput: function(customFn){
+            this.util.privKeyInput = customFn
+        },
+
+        setAppObjectStores: function(appObs){
+            this.util.appObs = appObs
+        },
+        
+        manageSubAdmins(adminPrivKey, addList, rmList){
+            return new Promise((resolve, reject) => {
+                if(!Array.isArray(addList)) addList = undefined;
+                if(!Array.isArray(rmList)) rmList = undefined;
+                var floData = {
+                    [floGlobals.application] : {
+                        addSubAdmin : addList,
+                        removeSubAdmin: rmList,
+                    }
+                }
+                var floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(adminPrivKey))
+                if(floID != floGlobals.adminID)
+                    reject('Access Denied for Admin privilege')
+                else
+                    floBlockchainAPI.writeData(floID, JSON.stringify(floData), adminPrivKey)
+                        .then(result => resolve(['Updated SubAdmin List', result]))
+                        .catch(error => reject(error))
+            })
+        },
+
+        clearCredentials: function(){
+            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
+            if(!indexArr)
+                return `privKey credentials not found!`
+            indexArr = JSON.parse(indexArr)
+            indexArr.forEach(i => compactIDB.removeData('credentials', i))
+            localStorage.removeItem(`${floGlobals.application}#privKey`)
+                return `privKey credentials deleted!`
+        },
+
+        objectDataMapper: function(object, path, data){
+                var resObject = JSON.parse(JSON.stringify(object))
+                var pos = resObject;
+                path.forEach(p => pos = pos[p])
+                if(Array.isArray(pos)){
+                    pos.push(data)
+                    return resObject
+                }else
+                    throw('Path is not an Array')
+        },
+
+        getNextGeneralData: function(type, vectorClock, options = {}){
+            var filter = this.util.getFilterString(type, options)
+            var filteredResult = []
+            for(var i = 0; i<floGlobals.generalData[filter].length; i++)
+                if(floGlobals.generalData[filter][i].vectorClock > vectorClock)
+                    filteredResult.push(floGlobals.generalData[filter][i])
+            return filteredResult
+        }
+    }
+
+    reactor.registerEvent("startUpSuccessLog");
+    reactor.addEventListener("startUpSuccessLog", log => console.log(log))
+
+    reactor.registerEvent("startUpErrorLog");
+    reactor.addEventListener("startUpErrorLog", log => console.error(log))
+</script>
+<script id="onLoadStartUp">
+    function onLoadStartUp() {
+
+        //floDapps.addStartUpFunction('Sample', Promised Function)
+        //floDapps.setAppObjectStores({sampleObs1:{}, sampleObs2:{options{autoIncrement:true, keyPath:'SampleKey'}, Indexes:{sampleIndex:{}}}})
+        //floDapps.setCustomPrivKeyInput( () => { FUNCTION BODY *must return private key* } )
+
+        floDapps.launchStartUp().then(result => {
+            console.log(result)
+            alert(`Welcome FLO_ID: ${myFloID}`)
+            //App functions....
+            ecommerce.actions.doShreeGanesh();
+        }).catch(error => console.error(error))
+    }
+</script>
+
+<script>
+
+    function showMessage(msg='', type='') {
+        console.log(msg);
+    }
+
+    function extend(Child, Parent) {
+        var Temp = function() {};
+        Temp.prototype = Parent.prototype;
+        Child.prototype = new Temp();
+        Child.prototype.constructor = Child;
+    }
+
+    function to_fiat_number(num) {
+        try {
+            return Number(parseFloat(num).toFixed(2));
+        } catch (error) {
+            throw new Error('Not a Number');
+        }
+    }
+
+    /*https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze*/
+    function deepFreeze(object) {
+        // Retrieve the property names defined on object
+        var propNames = Object.getOwnPropertyNames(object);
+
+        // Freeze properties before freezing self
+        for (let name of propNames) {
+          let value = object[name];
+
+          object[name] =
+            value && typeof value === "object" ? deepFreeze(value) : value;
+        }
+        return Object.freeze(object);
+      }
+
+    function randomNoRepeats(array) {
+        var copy = array.slice(0);
+        return function() {
+          if (copy.length < 1) {
+            copy = array.slice(0);
+          }
+          var index = Math.floor(Math.random() * copy.length);
+          var item = copy[index];
+          copy.splice(index, 1);
+          return item;
+        };
+      }
+
+      function removeWhiteSpaces(text='') {
+        return text.replace(/\s/g,'');
+      }  
+
+      async function ajaxGet(url) {
+          try {
+            //await the response of the fetch call
+            let response = await fetch(url);
+            //proceed once the first promise is resolved.
+            let data = await response.json();
+            //proceed only when the second promise is resolved
+            return data;
+          } catch (error) {
+            var xhr = new XMLHttpRequest();
+            xhr.open("GET", url);
+            xhr.onload = function() {
+              if (xhr.status === 200) {
+                callback(xhr.responseText);
+              } else {
+                showMessage(`WARNING: Failed to get data from ${url}.`);
+                throw new Error(`Request to ${url} failed: ${xhr.status}`);
+              }
+            };
+            xhr.send();
+          }
+        }
+
+        //AJAX Post
+        function ajaxPost(url = ``, data = {}) {
+          return fetch(url, {
+            method: "POST", // *GET, POST, PUT, DELETE, etc.
+            mode: "cors", // no-cors, cors, *same-origin
+            cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
+            credentials: "same-origin", // include, *same-origin, omit
+            headers: {
+              "Content-Type": "application/json"
+              // "Content-Type": "application/x-www-form-urlencoded",
+            },
+            redirect: "follow", // manual, *follow, error
+            referrer: "no-referrer", // no-referrer, *client
+            body: JSON.stringify(data) // body data type must match "Content-Type" header
+          }).then(response => response.json()); // parses response to JSON
+        }
+
+        // Create unique id
+        function unique_id() {
+          return `${+new Date()}_${Math.random()
+            .toString(36)
+            .substr(2, 9)}`;
+        }
+
+        function printArrayOfArrays(arr, resultant_array={}) {
+            if ( typeof(arr) == "object") {
+                for (elem in arr) {
+                    if (arr.hasOwnProperty(elem)) {
+                        printArrayOfArrays(arr[elem], resultant_array);
+                        if(typeof(arr[elem]) !== "object" 
+                        && typeof(arr[elem]) !== "undefined") {
+                            resultant_array[elem] = arr[elem];
+                        }
+                    }
+                }
+                return resultant_array;
+            }
+        }
+
+</script>
+
+<script>
+
+    const ecommerce = {
+        master_configurations: {},
+        master_configuration_flo_id: '',
+        actions: {},
+        blocked_flo_ids: [],
+        users: {},
+        products: {},
+        ui: {},
+    };
+
+    ecommerce.actions = {
+        
+        parse_flo_comments: async function() {
+                text = `masterFLOKey=FNU7DncTsfMc6BJsA1s8Ai23yDotFpagKf
+                #!#SUBJECT=TEST_ECOMMERCE_8
+                #!#CURRENCY=INR
+                #!#DATA_TYPE={
+                    "SELLING_PRODUCTS":"RANCHI_SELLING_PRODUCTS_8", 
+                    "BUY_ORDERS":"RANCHI_BUY_ORDERS_8", 
+                    "MESSAGES":"RANCHI_MESSAGES_8",
+                    "CASHIERS_DATA":"RANCHI_CASHIERS_DATA_8", 
+                    "COURIER_DATA":"RANCHI_COURIER_DATA_8",
+                    "PURCHASED_ITEMS": "RANCHI_PURCHASED_ITEMS_8"}
+                #!#CITY=Ranchi
+                #!#product_categories=Electronics,Clothes & Accessories,Home Appliances, Food
+                #!#cashiers=
+                {
+                    "FByrY4vc1NRfbkqAqABtUyhhNzMZsKUjqr": {
+                        "upi_id": "johnDoe@upi",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "cashing_permission": true,
+                        "certificate": "3045022100811557f01a64600145241c5c9aa79ca10807735eab0dcc44815767f021ab8a390220604a377083c35d5c547e14f180393e6a27e117fb947096bc040e11b7ab86fa6b"
+                    },
+                    "FHU7dfBVDLZwp3fLRJ5cr7nEABBeeU9Z4T": {
+                        "upi_id": "janeDoe@upi",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "cashing_permission": true,
+                        "certificate": "3045022100dc79c2af7caade3fd42077700070e20962f50e9d22db5ec4028eb6e2121f16e402203df6a8b3d4fb1a7b8386a47758d8e90b27ed13ba8b7cc58ddd0cdbae27772860"
+                    }
+                }
+                #!#sellers_list={
+                    "FGtPEBu2NFFYkqFrA9NDBJJLpVhyuPubDj":{
+                        "seller_id": "FGtPEBu2NFFYkqFrA9NDBJJLpVhyuPubDj",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "selling_permission": true,
+                        "certificate": "304502203746508b189433d7e0bc0a8b099ea9f42b2923b07c4b265d0cea91d631eeef27022100cf6a95ba2b53f01fc989a9151bd2642b938b6954fd2154caa227ddc47ad39c0e"
+                    },
+                   "FM1NzncALbWCcBVF5zbgzSmUbwQgW7tUfv":{    
+                        "seller_id": "FM1NzncALbWCcBVF5zbgzSmUbwQgW7tUfv",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "selling_permission": true,
+                        "certificate": "304402204dc159e6baf407d4a6b41ea399e79efe848b6a35a022a7a5e5131608ae76b3b4022018989219d3689b189bf3b6ae5a9efd516186c90c2ee2e891ca67e03d8d10fdf1"
+                    }
+                }
+                #!#couriers_list={
+                    "FToFgkZHhLfkQqLQUsjBZxKVWyrEMsC4hf":
+                    {
+                        "courier_guy_flo_id": "FToFgkZHhLfkQqLQUsjBZxKVWyrEMsC4hf",
+                        "courierAddress": "Baralal St, Upper Bazar, Ranchi, Jharkhand 834001",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "courier_permission": true,
+                        "certificate": "3046022100921deafde5d5b18dda89f6ba22018672fcbb74fa63b67dc544edeaed8f5541ab0221008cc38f970cc436797914651af78fac7734919429a4cdff603f6b8ab864eefe16"
+                    },
+                    "FPMpZJY1ca9pru3mT8KUCHCaauBe8UNQ3a": {
+                        "courier_guy_flo_id": "FPMpZJY1ca9pru3mT8KUCHCaauBe8UNQ3a",
+                        "courierAddress": "Ground Floor A.R.K Complex Lalpur Chowk Beside Lalpur Thana, Hazaribag Rd, Income Tax Colony, Lalpur, Ranchi, Jharkhand 834001",
+                        "approved_by": "F72fAV6aG8JrzR3N9F43vBE59q1FqWhBAp",
+                        "courier_permission": true,
+                        "certificate": "3044022000dec454231679735bd61c006de2a4ff6be04157472ebb042d078ad41722147c022014d3a95ae029ac5e6a2b4d038c482237f176edac6fe2c36063639b4cea26b5e5"
+                    }
+                }`
+                text = removeWhiteSpaces(text);
+                return text;
+                const master_data = await ajaxGet(`${floGlobals.apiURL.FLO[1]}/api/txs/?address=${ecommerce.master_configuration_flo_id}`);
+                if(typeof master_data==="object" && typeof master_data.txs==="object") {
+                    let text = '';
+                    let tx_cmnt_arr = [];
+
+                    for(txt of master_data.txs) {
+                        if(txt.vin[0].addr === ecommerce.master_configuration_flo_id) {
+                            if(txt.floData.length===0) break;
+                            tx_cmnt_arr.push(txt.floData);
+                        }
+                    }
+
+                    tx_cmnt_arr.reverse().map(m=>text += m.replace('text:', ''));     
+                    return text;
+                }
+            },
+
+        fetch_configs: async function() {
+            const floData = await this.parse_flo_comments();
+            let RMAssets = floData.trim();
+            let floAssetsArray = RMAssets.split("#!#");
+
+            if (
+                floAssetsArray.length > 0 &&
+                typeof floAssetsArray[0] !== undefined &&
+                floAssetsArray[0].trim() !== "" &&
+                typeof floAssetsArray[1] !== undefined &&
+                floAssetsArray[1].trim() !== ""
+            ) {
+            try {
+                for (const assets_string of floAssetsArray) {
+                    
+                    let k = assets_string.split("=");
+
+                    if (k[1].indexOf(",") > 0 && k[1].indexOf("{") == -1) {
+                        k[1] = k[1]
+                        .split(",")
+                        .map(val =>
+                            !isNaN(val) ? parseFloat(val) : val.trim()
+                        )
+                        .filter(v => ![null, "", undefined, NaN].includes(v));
+                    } else if (!isNaN(k[1])) {
+                        k[1] = parseFloat(k[1]);
+                    }
+                    if (typeof k[1] == "string" && k[1].indexOf("{") >= 0) {
+                        k[1] = JSON.parse(k[1].replace(/ /g, ""));
+                    }
+
+                    if(typeof ecommerce.master_configurations!=="object") ecommerce.master_configurations = {};
+
+                    Object.defineProperty(
+                        ecommerce.master_configurations,
+                        k[0],
+                        {
+                        value: k[1],
+                        writable: false,
+                        configurable: false,
+                        enumerable: true
+                        }
+                    );
+                }
+                deepFreeze(ecommerce.master_configurations);
+                console.log(ecommerce);
+                return ecommerce;
+            } catch (error) {
+                console.error(
+                "FATAL ERROR: Failed to fetch master configuration: ",
+                error
+                );
+            }
+            }
+            return false;
+        },
+
+        doShreeGanesh: async function() {
+            
+            // fetch configs from master comment
+            await this.fetch_configs();
+            
+            // Identify logged in user as either buyer, seller, cashier or courier
+            ecommerce.loggedInUser = new ecommerce.users.current_user({
+                flo_id: myFloID,
+            });
+
+            //deepFreeze(ecommerce.loggedInUser.user_info);
+
+            const LIVE_USER = ecommerce.loggedInUser;
+            
+            await this.retrieveLatestContent();
+
+            if(typeof ecommerce.approved_products_ids!=="object" 
+            || ecommerce.approved_products_ids.length<1) {
+                await ecommerce.products.create_approved_products_id_list();
+            }
+
+            if(typeof ecommerce.approved_products_list!=="object" 
+            || ecommerce.approved_products_list.length<1) {
+                await ecommerce.products.get_approved_products_list();
+            }
+
+            if(LIVE_USER.user_info.user_role==='BUYER') {
+                LIVE_USER.user_info.set_delivery_receiving_address();
+                LIVE_USER.user_info.display_items();
+                LIVE_USER.user_info.display_purchased_items();
+            }
+            if(LIVE_USER.user_info.user_role==='CASHIER') {
+                LIVE_USER.user_info.validate_buy_orders()
+            }
+            if(LIVE_USER.user_info.user_role==='MANAGER') {
+                LIVE_USER.user_info.get_general_data()
+            }
+            if(LIVE_USER.user_info.user_role==='SELLER') {
+                LIVE_USER.user_info.list_products_to_sell();
+                floCloudAPI.requestGeneralData(ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, {receiverID:myFloID});
+                LIVE_USER.user_info.list_buy_orders();
+            }
+            
+        },
+
+        retrieveLatestContent: async function (receiverID = floGlobals.adminID, senderIDs = floGlobals.subAdmins) {
+            showMessage('Loading the latest content')
+            const promises = [];
+            promises.push(floCloudAPI.requestObjectData(ecommerce.master_configurations.SUBJECT, { receiverID, senderIDs }));
+            if(floGlobals.subAdmins.includes(myFloID)) {
+                promises.push(floCloudAPI.requestGeneralData(ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS, 
+                { receiverID:floGlobals.adminID, senderIDs:Object.keys(ecommerce.master_configurations.sellers_list) }))
+            }
+            for (const key in ecommerce.master_configurations.DATA_TYPE) {
+                if (ecommerce.master_configurations.DATA_TYPE.hasOwnProperty(key)) {
+                    const element = ecommerce.master_configurations.DATA_TYPE[key];
+                    promises.push(floCloudAPI.requestGeneralData(element, {receiverID:myFloID}));       
+                }
+            }
+            await Promise.all(promises);
+        },
+
+        logout: function () {
+            if (confirm("Do you want to logout?")) {
+                floDapps.clearCredentials()
+                compactIDB.deleteDB().then((message) => {
+                    delete ecommerce.master_configurations;
+                    delete ecommerce.loggedInUser;
+                    console.log(message)
+                    onLoadStartUp()
+                    alert('You have logged out successfully.')
+                }).catch((error) => {
+                    console.log(error)
+                })
+            }
+        },
+    } 
+
+    ecommerce.users = {
+        current_user: function User(user_details='') {
+            
+            //if(typeof User.instance === 'object') return User.instance;
+                  
+            if(Object.keys(ecommerce.master_configurations.sellers_list)
+            .includes(user_details.flo_id)) {
+                const seller_details = {};
+                seller_details.approved_by = ecommerce.master_configurations.sellers_list[myFloID].approved_by;
+                seller_details.certificate = ecommerce.master_configurations.sellers_list[myFloID].certificate;
+                seller_details.selling_permission = ecommerce.master_configurations.sellers_list[myFloID].selling_permission;
+                User.prototype.user_info = new ecommerce.users.user_types.sellers(seller_details);
+            } else if(Object.keys(ecommerce.master_configurations.cashiers)
+            .includes(user_details.flo_id)) {
+                const cashier_details = {};
+                cashier_details.upi_id = ecommerce.master_configurations.cashiers[myFloID].upi_id;
+                cashier_details.approved_by = ecommerce.master_configurations.cashiers[myFloID].approved_by;
+                cashier_details.certificate = ecommerce.master_configurations.cashiers[myFloID].certificate;
+                cashier_details.cashing_permission = ecommerce.master_configurations.cashiers[myFloID].cashing_permission;
+                User.prototype.user_info = new ecommerce.users.user_types.cashiers(user_details);
+            } else if(Object.keys(ecommerce.master_configurations.couriers_list)
+            .includes(user_details.flo_id)) {
+                const courier_details = {};
+                courier_details.location = ecommerce.master_configurations.couriers_list[myFloID].location;
+                courier_details.approved_by = ecommerce.master_configurations.couriers_list[myFloID].approved_by;
+                courier_details.courier_permission = ecommerce.master_configurations.couriers_list[myFloID].courier_permission;
+                courier_details.certificate = ecommerce.master_configurations.couriers_list[myFloID].certificate;
+                User.prototype.user_info = new ecommerce.users.user_types.couriers(user_details);
+            } else if(floGlobals.subAdmins.includes(user_details.flo_id) 
+            || user_details.flo_id===ecommerce.master_configurations.masterFLOKey) {
+                User.prototype.user_info = new ecommerce.users.user_types.system_managers(user_details);
+            } else {
+                user_details.location = user_details.location || "";
+                User.prototype.user_info = new ecommerce.users.user_types.buyers(user_details);
+            }
+             
+            User.instance = this;
+            return this;
+        },
+
+        user_types: {
+            buyers: function Buyer(buyer_details={}) {
+                for (const key in buyer_details) {
+                    if (buyer_details.hasOwnProperty(key)) {
+                        const obj = buyer_details[key];
+                        this[key] = obj;
+                    }
+                }
+                this.flo_id = myFloID;   
+                this.user_role = "BUYER";
+                this.buy_list = []; // tentative to change
+                this.shopping_bill = { // final buy order
+                    shopping_list: [],
+                    quantity: {},
+                };
+                this.gst_rate = buyer_details.gst_rate || 0;
+                this.total_buying_price = 0;
+                this.total_amount = 0;
+                this.message = '';
+            },
+            sellers: function Seller(seller_details={}) {
+                for (const key in seller_details) {
+                    if (seller_details.hasOwnProperty(key)) {
+                        const obj = seller_details[key];
+                        this[key] = obj;
+                    }
+                }
+                this.flo_id = myFloID;
+                this.user_role = "SELLER";
+            },
+            cashiers: function Cashier(cashier_details={}) {
+                for (const key in cashier_details) {
+                    if (cashier_details.hasOwnProperty(key)) {
+                        const obj = cashier_details[key];
+                        this[key] = obj;
+                    }
+                }
+                this.flo_id = myFloID;
+                this.user_role = "CASHIER";
+            },
+            couriers: function Courier(courier_details={}) {
+                for (const key in courier_details) {
+                    if (courier_details.hasOwnProperty(key)) {
+                        const obj = courier_details[key];
+                        this[key] = obj;
+                    }
+                }
+                this.flo_id = myFloID;
+                this.user_role = "COURIER";
+            },
+            system_managers: function(manager_details) {
+                for (const key in manager_details) {
+                    if (manager_details.hasOwnProperty(key)) {
+                        const obj = manager_details[key];
+                        this[key] = obj;
+                    }
+                }
+                this.flo_id = myFloID;
+                this.user_role = "MANAGER";
+            },
+        },
+
+    }
+    
+</script>
+
+<!-- Products -->
+<script>
+    ecommerce.products = {
+        static_properties: ["product_type", "seller_flo_id", "product_category", "product_flo_id"],
+        build_product_object: function(data) {
+            
+            this.product_info = {};
+            this.product_info.product_static_information = {};
+            this.product_info.product_dynamic_information = {};
+
+            for (const key in data) {
+                if (data.hasOwnProperty(key)) {
+                    
+                    const obj = data[key];
+                    
+                    if(typeof obj==="object") continue;
+                        
+                    if ((typeof obj === "string" && obj.length>0)
+                    || (typeof obj === "number" && obj>0)
+                    || typeof obj==="boolean") {
+
+                        if(ecommerce.products.static_properties.includes(key)) {
+                            this.product_info.product_static_information[key] = obj;
+                        } else {
+                            this.product_info.product_dynamic_information[key] = obj;
+                        }
+                    } else {
+                        showMessage("Invalid product property.");
+                        throw new Error("Error: Product object creation failed.");
+                    }
+                }
+            }
+            this.product_info.product_static_information.product_flo_id = floCrypto.generateNewID().floID;
+            this.product_info.product_static_information.seller_flo_id = ecommerce.loggedInUser.user_info.flo_id||myFloID;
+            this.product_info.product_dynamic_information.lastUpdated = + new Date();
+            this.product_info.product_dynamic_information.onSale = true;
+        },
+        physical_products: function(product_details) {
+            this.new_physical_product = new ecommerce.products.build_product_object(product_details);
+            this.new_physical_product.product_info.product_static_information.product_type = "PHYSICAL";
+        },    
+        digital_products: function(product_details) {
+            this.new_digital_product = new ecommerce.products.build_product_object(product_details);
+            this.new_digital_product.product_info.product_static_information.product_type = "DIGITAL";
+        },
+        get_approved_products_id: function() {
+            if(typeof floGlobals.appObjects[ecommerce.master_configurations.SUBJECT]=="undefined") return [];
+            return Object.values(floGlobals.appObjects[ecommerce.master_configurations.SUBJECT].Products)
+                        .reduce((t, c, i)=>[...Object.values(c)], [])
+                        .filter(f=>f.product_approved===true)
+                        .map(m=>m.product_flo_id);            
+        },
+        create_approved_products_id_list: function() {
+            return new Promise((resolve)=>{
+                resolve(ecommerce.products.get_approved_products_id())
+            }).then(approved_products=>{
+                if(approved_products.length<1) return ecommerce.approved_products_ids=[];
+                Object.defineProperty(ecommerce, "approved_products_ids",
+                {
+                    value: approved_products,
+                    writable: false,
+                    configurable: false,
+                    enumerable: true
+                });
+            })
+        },
+        // Segregate admin approved products from general objects
+        get_approved_products_list: async function() {
+                try {
+                    let generalData = floGlobals.generalData[JSON.stringify(
+                        { application: floGlobals.application, 
+                          type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS 
+                        })];
+
+                    if(generalData.length<1) {
+                        await floCloudAPI.requestGeneralData(ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS, 
+                        { receiverID:floGlobals.adminID, senderIDs:Object.keys(ecommerce.master_configurations.sellers_list) })
+                    
+                        generalData = floGlobals.generalData[JSON.stringify(
+                        { application: floGlobals.application, 
+                          type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS 
+                        })];
+                    }
+                        
+                    const certified_products = generalData
+                            .map(m=>m.message[Object.keys(m.message)[0]])
+                            .filter(f=>ecommerce.approved_products_ids
+                                .includes(f.product_info.product_static_information.product_flo_id));
+
+                    Object.defineProperty(ecommerce, "approved_products_list",
+                        {
+                            value: certified_products,
+                            writable: false,
+                            configurable: false,
+                            enumerable: true
+                        });
+
+                    return ecommerce.approved_products_list;
+               
+                } catch (error) {
+                    throw new Error(error);
+                }
+            
+        },
+        get_product_details_by_floId: function(productFloId='') {
+            return new Promise((resolve, reject) => {
+                try {
+                    const filtered_product = ecommerce.approved_products_list
+                    .filter(f=>f.product_info.product_static_information.product_flo_id===productFloId);
+                
+                    if(filtered_product.length!==1) return reject("Product not found.");
+                    resolve(filtered_product);
+
+                } catch (error) {
+                    showMessage('Failed to get any product with id '+productFloId, 'ERROR');
+                    reject('Failed to get any product with id '+productFloId);
+                } 
+            });
+        },
+        get_product_details_by_txid: function(txid='') {
+            try {
+                const latest_buy_orders = floGlobals.generalData[JSON.stringify(
+                    { application: floGlobals.application, 
+                    type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
+                })];
+                return Object.values(latest_buy_orders)
+                .filter(f=>f.message.txid===txid)
+                .map(m=>m.message)
+            } catch (error) {
+                showMessage('Failed to get any product with txid '+txid, 'ERROR');
+                throw new Error('Failed to get any product with txid '+txid);
+            }
+        },
+    }
+</script>
+
+<!-- Seller functions -->
+<script>
+    ecommerce.users.user_types.sellers.prototype = {
+        add_new_product: function(product_details) {
+            try {
+                let productClass = null;
+                if(product_details.product_type==="PHYSICAL") {
+                    productClass = "physical_products";
+                    product_type = 'new_physical_product';
+                } else if(product_details.product_type==="DIGITAL") {
+                    productClass = "digital_products";
+                    product_type = 'new_digital_product';
+                } else return false;
+
+                // Generate a product object
+                const nayaProduct = new ecommerce.products[productClass](product_details);
+            
+                nayaProduct[product_type].seller_product_certificate={
+                    seller_public_key: myPubKey,
+                    seller_signature: floCrypto.signData(JSON.stringify(nayaProduct[product_type].product_info), myPrivKey),
+                }
+
+                const input_data = {};
+                input_data[nayaProduct[product_type].product_info.product_static_information.product_flo_id]=nayaProduct[product_type]
+                floCloudAPI.sendGeneralData(input_data, ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS, { receiverID: floGlobals.adminID, senderIDs: [myFloID] })
+
+                showMessage("Product added into the cloud successfully.", "SUCCESS");
+
+                return true;
+            } catch (error) {
+                throw new Error(error);
+            }
+        }, 
+        update_product_status: function(old_product_details, new_product_details) {
+            try {
+                const object_values = Object.keys(obj1);
+                
+                // SECURITY_CHECK: Test if product_details.product is certified by Admin
+
+                for(i in product_details) {
+                    if(object_values.includes(i)) {
+                        obj1[i] = product_details[i];
+                    }
+                }
+                //this.list_products_to_sell();    
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        list_products_to_sell: async function() {
+            try {
+                const myProducts = ecommerce.approved_products_list;
+                const mySellingProducts = myProducts.filter(f=>
+                    (f.product_info.product_static_information.seller_flo_id===myFloID));
+                console.table(mySellingProducts);
+                let t = ``;
+                for (const product of mySellingProducts) {
+                    let p = product.product_info.product_dynamic_information;
+                    let pid = product.product_info.product_static_information.product_flo_id;
+                    t += `<p><strong>Product</strong>: <input type="text" id="${pid}_product" class="form-control" value="${p.product}"></p>`;
+                    t += `<p><strong>Product Name</strong>: <input type="text" id="${pid}_productname" class="form-control" value="${p.product_name}"> </p>`;
+                    t += `<p><strong>Product Description</strong>: <input type="text" id="${pid}_productdesc" class="form-control" value="${p.product_description}"></p>`;
+                    t += `<p><strong>Product Image</strong>: <input type="text" id="${pid}_productimg" class="form-control" value="${p.image}"></p>`;
+                    t += `<p><strong>Product Selling Price</strong>: <input type="text" id="${pid}_productsp" class="form-control" value="${p.selling_price}"></p>`;
+                    t += `<p><strong>Product Location</strong>: <input type="text" id="${pid}_productlocation" class="form-control" value="${p.product_location}"></p>`;
+                    t += `<p><strong>Items Available </strong>: <input type="text" id="${pid}_productitemavail" class="form-control" value="${p.items_available}"></p>`;
+                    t += `<p><strong>On Sale</strong>: <input type="text" id="${pid}_productonsale" class="form-control" value="${p.onSale}"></p>`;
+                    t += `<p><button class="btn btn-primary" 
+                        onclick="ecommerce.loggedInUser.user_info.update_product_status('${pid}')">
+                    Update</button></p>`;
+                    t += `<hr />`;
+                }
+
+                document.getElementById('renderList').insertAdjacentHTML( 'beforeend', t);
+
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        list_buy_orders: function() {
+            try {
+                const latest_buy_orders = floGlobals.generalData[JSON.stringify(
+                    { application: floGlobals.application, 
+                    type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
+                })];
+
+                const latestBuyOrdersList = document.getElementById('latestBuyOrdersList')
+
+                let t = ``;
+
+                for (const buy_order of latest_buy_orders) {
+                    let bo = buy_order.message;
+                    let product_dynamic_info = bo.buy_order_data.shopping_list[0].product_info.product_dynamic_information;
+                    t += `<p>UPI Txid: ${bo.payment_to_vendor_txid}</p>`;
+                    t += `<p>Item: ${product_dynamic_info.product_name}: ${bo.buy_order_data.quantity[product_dynamic_info.product_name]}</p>`;
+                    t += `<p>Total Price: ${bo.buy_order_data.final_price}</p>`;
+                    t += `<p><button onclick="ecommerce.loggedInUser.user_info.dispatch_product('${bo.txid}')">Dispatch Item</button></p>`;
+                    t += `<hr>`;
+                }   
+
+                latestBuyOrdersList.insertAdjacentHTML('beforeend', t);
+
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        dispatch_product: async function(buy_txid='') {
+            try {
+                const latest_buy_orders = ecommerce.products.get_product_details_by_txid(buy_txid)
+                if(latest_buy_orders.length<1) throw new Error('No such buy order found.')
+                const product_details = latest_buy_orders[0].buy_order_data.shopping_list[0].product_info;
+                const buyer = latest_buy_orders[0].buy_order_data.buyer_flo_id;
+                let product = product_details.product_dynamic_information.product;
+                
+                if(product_details.product_static_information.product_type==="DIGITAL") {
+
+                    switch (product) {
+                        case "MOVIE_TICKETS":
+                           
+                            let ticket = `
+                                Buy_Txid: ${buy_txid}
+                                Buyer Id: ${buyer}
+                                Movie: ${product_details.product_dynamic_information.product_name}   
+                                Movie DateTime: ${product_details.product_dynamic_information.movie_datetime}
+                                `;
+
+                            let seller_sig = floCrypto.signData(ticket, myPrivKey)
+
+                            let signed_ticket = ticket+' VendorSignature: '+seller_sig; 
+                           
+                            let ticket_sent = await floCloudAPI.sendGeneralData(signed_ticket, ecommerce.master_configurations.DATA_TYPE.PURCHASED_ITEMS, 
+                            { receiverID: buyer, senderIDs: [myFloID] })
+
+                            console.log(ticket_sent);
+                            if(typeof ticket_sent == "object") {
+                                // add buy_txid to dispatched items table
+                            }
+                           
+                            break;
+                    
+                        default:
+                            break;
+                    }
+
+                } else if(product_details.product_static_information.product_type==="PHYSICAL") {
+
+                }
+            
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+    }
+</script>
+
+<!-- Buyer functions -->
+<script>
+    ecommerce.users.user_types.buyers.prototype = {
+        buy_item: async function(itemId='', buying_units=0) {
+            try {
+                const item_details = await ecommerce.products.get_product_details_by_floId(itemId);
+                if(typeof item_details!=="object") return;
+                const item_flo_id = item_details[0].product_info.product_static_information.product_flo_id;
+                const selling_price = to_fiat_number(item_details[0].product_info.product_dynamic_information.selling_price);
+                const category = item_details[0].product_info.product_static_information.product_category;
+
+                this.buy_list.push({
+                    product_flo_id: item_flo_id,
+                    buying_units: buying_units
+                });
+                this.total_buying_price += 
+                    to_fiat_number(
+                        to_fiat_number(selling_price)
+                        * 
+                        to_fiat_number(buying_units)
+                    );
+
+                const _id = unique_id();
+
+                compactIDB.addData('my_search_history', 
+                    {
+                        id: _id,
+                        item_flo_id: item_flo_id, 
+                        productCategory: category
+                    }, 
+                _id);
+
+                this.preview_shopping_bill();
+
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        add_item_to_bucket: async function(itemId='', buying_units=0) {
+            const item_details = await ecommerce.products.get_product_details_by_floId(itemId);
+            if(typeof item_details!=="object") return;
+            const item_flo_id = item_details[0].product_info.product_static_information.product_flo_id;
+            const selling_price = to_fiat_number(item_details[0].product_info.product_dynamic_information.selling_price);
+            const category = item_details[0].product_info.product_static_information.product_category;
+
+            if(this.buy_list.some(f=>f.product_flo_id===item_flo_id)) {
+                for (const buying_item of this.buy_list) {
+                    if (buying_item.product_flo_id === item_flo_id) {
+                        buying_item.buying_units += buying_units;
+                        this.total_buying_price += 
+                            to_fiat_number(
+                                to_fiat_number(selling_price)
+                                * 
+                                to_fiat_number(buying_units)
+                            );
+                        return this.buy_list;
+                    }   
+                }
+            } else {
+                this.buy_list.push({
+                    product_flo_id: item_flo_id,
+                    buying_units: buying_units
+                });
+                this.total_buying_price += 
+                    to_fiat_number(
+                        to_fiat_number(selling_price)
+                        * 
+                        to_fiat_number(buying_units)
+                    );
+            }
+            compactIDB.addData('my_search_history', 
+                {
+                    item_flo_id: item_flo_id, 
+                    productCategory: category
+                }, 
+                category);
+        },
+        remove_item_from_bucket: function(item) {
+            for (i = 0; i < this.buy_list.length; i++) {
+                if (this.buy_list[i] === item) {
+                    if(this.buy_list[i].buying_units<=item.units) {
+                        this.buy_list.splice(i, 1);
+                        return this.buy_list;
+                    } else if(this.buy_list[i].buying_units>item.units) {
+                        this.buy_list[i].buying_units -= item.buying_units;
+                    }
+                    this.total_buying_price -= to_fiat_number(
+                        to_fiat_number(item.selling_price)
+                        * 
+                        to_fiat_number(this.buy_list[i].buying_units)
+                    );
+                }
+            }
+        },
+        preview_shopping_bill: async function() {
+            try {
+                // Reset buy price
+                this.total_buying_price = 0;
+                let bill_preview = [];
+                for (const buying_product_info in this.buy_list) {
+                    if (this.buy_list.hasOwnProperty(buying_product_info)) {
+                        const item = this.buy_list[buying_product_info];
+                        let product_details = await ecommerce.products.get_product_details_by_floId(item.product_flo_id);
+                        if(typeof product_details==="object" && typeof product_details[0]==="object") {
+                            product_details = product_details[0];
+                            if(Object.keys(ecommerce.master_configurations.sellers_list)
+                                .includes(floCrypto.getFloIDfromPubkeyHex(product_details.seller_product_certificate.seller_public_key))) {
+
+                                if(floCrypto.verifySign(JSON.stringify(product_details.product_info), 
+                                    product_details.seller_product_certificate.seller_signature,
+                                    product_details.seller_product_certificate.seller_public_key,
+                                )) {
+
+                                    let item_name = product_details.product_info.product_dynamic_information.product_name;
+                                    
+                                    // Prevent duplicate registration of products in shopping_list
+                                    if(!this.shopping_bill.shopping_list.some(s=>s.product_info.product_static_information.product_flo_id
+                                        ===product_details.product_info.product_static_information.product_flo_id)) {
+                                        this.shopping_bill.shopping_list.push(product_details);
+                                    }
+
+                                    this.shopping_bill.quantity[item_name] = Number(item.buying_units);
+
+                                    bill_preview.push({
+                                        "product": item_name,
+                                        "price": product_details.product_info.product_dynamic_information.selling_price,
+                                        "quantity": item.buying_units
+                                    });
+                                    this.total_buying_price += 
+                                        to_fiat_number(
+                                            to_fiat_number(product_details.product_info.product_dynamic_information.selling_price)
+                                            * 
+                                            to_fiat_number(item.buying_units)
+                                        );
+                                }
+                            }
+                        } else {
+                            console.error(`Product with id ${item.product_flo_id} not found`);
+                            continue;
+                        }
+                    }
+                }
+                // FOR UI_WORK
+                console.log(bill_preview)
+                
+                this.shopping_bill.buyer_flo_id = ecommerce.loggedInUser.user_info.flo_id||myFloID;
+                this.final_price = to_fiat_number(this.total_buying_price);
+                this.shopping_bill.final_price = this.final_price;
+                console.log(this.shopping_bill);
+                //return this.shopping_bill;
+
+                //billPreview
+                let billPreviewUI = `
+                    <p>Product: ${this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.product_name}</p>
+                    <p>Price: ${this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.selling_price}</p>
+                    <p>Quantity: ${this.shopping_bill.quantity[this.shopping_bill.shopping_list[0].product_info.product_dynamic_information.product_name]}</p>
+                    <h5>Total: ${this.shopping_bill.final_price}</h5>
+                `;
+
+                document.getElementById('billPreview').innerHTML=billPreviewUI;
+                document.getElementById('item_delivery_addr').innerHTML=localStorage.getItem("FloECommerceUserAddress");
+                $('#checkoutModal').modal("show");
+
+            } catch (error) {
+                showMessage('Failed to preview shopping list', 'ERROR');
+                throw new Error(error);
+            }
+        },
+        add_gst: function() {
+            this.final_price = ((this.gst_rate+100)*this.total_buying_price)/100;
+        },
+        checkout: async function(pay_using_wallet=true) {
+            try {
+                // Check if Seller is live or not
+            
+                if(this.final_price<1) {
+                    this.message = `The total price of purchase cannot be less than Re 1. Checkout cancelled.`;
+                    showMessage(this.message);
+                    throw new Error(this.message);
+                }
+
+                if(this.shopping_bill.shopping_list.length<1) {
+                    this.message = `Your cart is empty. Checkout cancelled.`;
+                    showMessage(this.message);
+                    throw new Error(this.message);
+                }
+
+                // If Seller is live place a Buy order
+                this.shopping_bill.date_of_purchase = + new Date()
+                
+                let user_addr = document.getElementById('item_delivery_addr').value;
+                if(typeof user_addr!=="string" || user_addr.length<1) {
+                    this.set_delivery_receiving_address();
+                    user_addr = localStorage.getItem("FloECommerceUserAddress");
+                }
+                this.shopping_bill.buyer_location = user_addr;
+
+                if(typeof this.shopping_bill.buyer_location !== "string" 
+                || this.shopping_bill.buyer_location.length<1) {
+                    this.message = `Delivery address cannot be empty.`;
+                    showMessage(this.message);
+                    throw new Error(this.message);
+                }
+                 
+                // Generate Cashier UPI for payment
+                const cashier = randomNoRepeats(Object.keys(ecommerce.master_configurations.cashiers))();
+                this.shopping_bill.cashier = cashier;
+
+                const shopping_details_str = JSON.stringify(this.shopping_bill);
+
+                const buy_order_object = {
+                    txid: Crypto.SHA256(shopping_details_str),
+                    buy_order_data: this.shopping_bill,
+                    buyer_signature_details: {
+                        buyer_sign: floCrypto.signData(shopping_details_str, myPrivKey),
+                        buyer_pubkey: myPubKey
+                    },
+                    status: "AWAITING_PAYMENT_FROM_BUYER"
+                }
+
+                console.log(buy_order_object);
+                
+                if(pay_using_wallet===true) {
+                    const flo_comment = `transfer ${this.final_price} rupee#`;                
+                    const token_balance_url = `https://ranchimallflo.duckdns.org/api/v1.0/getFloAddressBalance?token=rupee&floAddress=${myFloID}`;
+                    const sender_token_balance = await ajaxGet(token_balance_url);
+                    
+                    if(typeof sender_token_balance!=="object" 
+                    || typeof sender_token_balance.balance!=="number"
+                    || sender_token_balance.balance<this.final_price) {
+                        this.message = `INFO: Sender has insufficient rupee balance.`;
+                        alert(this.message);
+                        throw new Error(this.message);
+                    }
+
+                    const vendor_addr = buy_order_object
+                        .buy_order_data.shopping_list[0].product_info.product_static_information
+                        .seller_flo_id;
+
+                    let flo_txid = await floBlockchainAPI.sendTx(myFloID, vendor_addr, 0.0001, myPrivKey, flo_comment)
+                    console.log(flo_txid);
+                    if(typeof flo_txid !== "string") {
+                        this.message = `Transaction unsuccessfull. You can try payment through UPI to continue.`;
+                        alert(this.message);
+                        throw new Error(this.message);
+                    } else {
+
+                        buy_order_object.status = "BUYER_PAID_VENDOR_USING_WALLET";
+                        buy_order_object.payment_to_vendor_txid = flo_txid;
+                        // Store info in local history
+                        compactIDB.addData('my_orders_history', buy_order_object, buy_order_object.txid);
+
+                        floCloudAPI.sendGeneralData(buy_order_object, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
+                        {receiverID:vendor_addr, senderIDs: [myFloID]});
+
+                        this.reset_bucket_list();
+
+                        alert(`Transaction successfull: ${flo_txid}. Your order has been sent to the vendor.`);
+                        return false;
+                    }
+                } else {
+
+                    const upi = ecommerce.master_configurations.cashiers[cashier].upi_id;
+                    const msg = `Your buy order is registered.
+                        Please pay ${ecommerce.master_configurations.CURRENCY} 
+                        ${this.final_price} to ${upi} to complete the payment.`;
+                    showMessage(msg, 'SUCCESS');
+                    alert(msg);
+                    const upi_to_cashier_txid = prompt(`Enter the UPI Ref. Number or transaction id for payment of ${this.final_price} to ${upi}`, '');
+                    if(typeof upi_to_cashier_txid!=="string" || upi_to_cashier_txid.length<1) {
+                        this.message = "Invalid UPI txid";
+                        alert(this.message);
+                        throw new Error(this.message);
+                    }
+
+                    buy_order_object.upi_to_cashier_txid = upi_to_cashier_txid;
+                    buy_order_object.status = "BUYER_PAID_VENDOR_THROUGH_CASHIER";
+
+                    // Store info in local history
+                    compactIDB.addData('my_orders_history', buy_order_object, buy_order_object.txid);
+
+                    floCloudAPI.sendGeneralData(buy_order_object, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
+                    {receiverID:cashier, senderIDs: [myFloID]});
+
+                    // const payment_info_data = {
+                    //     payment_amount: this.final_price,
+                    //     cashier: cashier,
+                    // }
+
+                    //this.proceed_to_payment(payment_info_data);
+                    this.reset_bucket_list();
+                }
+
+            } catch (error) {
+                this.reset_bucket_list();
+                throw new Error(error);
+            }
+        },
+        proceed_to_payment: function(data) {
+            // UI_WORK
+            const upi = ecommerce.master_configurations.cashiers[data.cashier].upi_id;
+            const msg = `Your buy order is registered.
+                Please pay ${ecommerce.master_configurations.CURRENCY} 
+                ${data.payment_amount} to ${upi} to complete the payment.`;
+            showMessage(msg, 'SUCCESS');
+            return true;
+        },
+        reset_bucket_list: function() {
+            this.total_buying_price = 0;
+            this.buy_list = [];
+            this.final_price = 0;
+            this.shopping_bill = { 
+                shopping_list: [],
+                quantity: {},
+            }; 
+        },
+        set_delivery_receiving_address: function() {
+            if (typeof(Storage) == "undefined") {
+                showMessage('LocalStorage not supported.');
+                throw new Error('LocalStorage not supported.');
+            }
+            let FloECommerceUserAddress = localStorage.getItem("FloECommerceUserAddress");
+            if (FloECommerceUserAddress===null) {
+                FloECommerceUserAddress = prompt("Please enter your local address. We will fetch local services near you.");
+                if(typeof FloECommerceUserAddress!=="string" && FloECommerceUserAddress.length<1) {
+                    showMessage('Invalid Address. Please refresh to enter address again.');
+                    return;
+                } 
+                localStorage.setItem("FloECommerceUserAddress", FloECommerceUserAddress);
+            }
+        },
+        reset_delivery_receiving_address: function(new_addr='') {
+            if(typeof new_addr==='string' && new_addr.length>0) 
+                localStorage.setItem("FloECommerceUserAddress", new_addr);
+        },
+        display_items: function() {
+            try {
+                const myProducts = ecommerce.approved_products_list;
+                const mySellingProducts = myProducts.filter(f=>
+                    (f.product_info.product_dynamic_information.onSale===true 
+                    && f.product_info.product_dynamic_information.items_available>0));
+                console.table(mySellingProducts);
+                let t = ``;
+                for (const product of mySellingProducts) {
+                    let p = product.product_info;
+                    t += `<div class="product-card">
+                        <picture style="height: 226.390625px">
+                            <source srcset="">
+                            <img src="" alt="">
+                        </picture>
+                        <div class="product-info">
+                            <span class="product-name">${p.product_dynamic_information.product_name}</span>
+                            <span class="price"><span>₹</span><span>${p.product_dynamic_information.selling_price}</span></span>
+                            <span class="rating" style="background: forestgreen">
+                                <svg viewBox="0 0 69.81 69.69">
+                                    <path d="M34.18,58.59L15.33,69.01c-1.09,0.6-2.39-0.32-2.19-1.54l3.64-22.29c0.08-0.47-0.07-0.94-0.4-1.28L0.92,28.06
+                                    c-0.85-0.87-0.36-2.33,0.84-2.51l21.23-3.24c0.49-0.07,0.91-0.39,1.12-0.84l9.44-20.11c0.54-1.14,2.16-1.14,2.69,0l9.44,20.11
+                                    c0.21,0.45,0.63,0.76,1.12,0.84l21.23,3.24c1.2,0.18,1.69,1.64,0.84,2.51L53.43,43.9c-0.33,0.34-0.48,0.81-0.4,1.28l3.64,22.29
+                                    c0.2,1.23-1.1,2.14-2.19,1.54L35.62,58.59C35.17,58.34,34.63,58.34,34.18,58.59z"></path>
+                                </svg>
+                                <span class="numeric-rating">4.5</span>
+                                <span class="reviews">(200)</span>
+                            </span>
+                            <button class="buy" onclick="ecommerce.loggedInUser.user_info.buy_item('${p.product_static_information.product_flo_id}', 1)">Buy</button>
+                        </div>
+                        <button class="add-to-basket" title="Add to basket for buying together">
+                            <svg viewBox="0 0 72 72" class="">
+                                <line x1="36" y1="0" x2="36" y2="72"></line>
+                                <line x1="0" y1="36" x2="72" y2="36"></line>
+                            </svg>
+                        </button>
+                    </div>`;
+                }
+
+                document.getElementById('product_container').insertAdjacentHTML( 'beforeend', t);
+
+             } catch (error) {
+                 throw new Error(error)
+             }
+        },
+        display_purchased_items: function() {
+            try {
+                const my_purchased_items = floGlobals.generalData[JSON.stringify(
+                    { application: floGlobals.application, 
+                    type: ecommerce.master_configurations.DATA_TYPE.PURCHASED_ITEMS 
+                })];
+
+                const myPurchasedItemsList = document.getElementById('myPurchasedItemsList')
+
+                let t = ``;
+
+                t += `<h5>Your Purchased Items</h5>`;
+
+                for (const my_items of my_purchased_items) {
+                    t += `${my_items.message.trim()}`;
+                    t += `<hr>`
+                }
+
+                myPurchasedItemsList.insertAdjacentHTML('beforeend', t);
+
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+    }
+
+</script>
+
+<!-- Managers functions -->
+<script>
+    ecommerce.users.user_types.system_managers.prototype = {
+        // Start ecommerce in a new city
+        create_new_city_ecommerce: function() {
+            
+            if(typeof ecommerce.master_configurations.SUBJECT!=="string" || ecommerce.master_configurations.SUBJECT.length<2) {
+                showMessage('Error: Please provide a subject in master configuration.', 'error');
+                return false;
+            }
+
+            const flo_ecommerce = {}; 
+            flo_ecommerce[ecommerce.master_configurations.SUBJECT] = {};
+            
+            // Master configurations should come from here
+            flo_ecommerce[ecommerce.master_configurations.SUBJECT].master_configurations = '';
+
+            flo_ecommerce[ecommerce.master_configurations.SUBJECT].Orders = {};
+            flo_ecommerce[ecommerce.master_configurations.SUBJECT].Orders.buy_orders = {};
+            
+            // Every approved product is for sale 
+            //flo_ecommerce[cityname].Orders.sell_orders = {};
+            
+            flo_ecommerce[ecommerce.master_configurations.SUBJECT].Products = {};
+            
+            // Messages should be in general object
+            // flo_ecommerce[cityname].Messages = {};
+            // flo_ecommerce[cityname].Messages["buyer_messages"] = {}
+            // flo_ecommerce[cityname].Messages["seller_messages"] = {}
+            // flo_ecommerce[cityname].Messages["cashier_messages"] = {}
+            // flo_ecommerce[cityname].Messages["delivery_messages"] = {}
+            // flo_ecommerce[cityname].Messages["manager_messages"] = {}
+            
+            floCloudAPI.resetObjectData(flo_ecommerce, ecommerce.master_configurations.SUBJECT,
+                    { receiverID: floGlobals.adminID });  
+        },
+        // Load ecommerce data relevent to an admin
+        get_general_data: async function() {
+            await floCloudAPI.requestGeneralData(ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS, 
+            { receiverID:floGlobals.adminID, senderIDs:Object.keys(ecommerce.master_configurations.sellers_list) })
+
+            const new_generalData = floGlobals.generalData[JSON.stringify({ application: floGlobals.application, type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS })];
+            
+            for (const new_data of new_generalData) {
+                if(!Object.keys(ecommerce.master_configurations.sellers_list).includes(new_data.sender)) continue;
+
+                for (const product_id in new_data.message) {
+                    if (new_data.message.hasOwnProperty(product_id)) {
+                        const new_product_data = new_data.message[product_id];
+                       
+                        if(ecommerce.approved_products_ids.includes(new_product_data.product_info.product_static_information.product_flo_id)) continue;
+                       
+                        const seller_id = floCrypto.getFloIDfromPubkeyHex(new_product_data.seller_product_certificate.seller_public_key);
+                        if(seller_id===new_data.sender) {
+                            if(Object.keys(ecommerce.master_configurations.sellers_list).includes(seller_id)) {
+                                
+                                if(typeof new_product_data.product_info !== "object") continue;
+
+                                if(floCrypto.verifySign(JSON.stringify(new_product_data.product_info), 
+                                    new_product_data.seller_product_certificate.seller_signature, 
+                                    new_product_data.seller_product_certificate.seller_public_key
+                                )) {
+                                    console.log('verify success. BUILD UI FOR ADMIN TO APPROVE ITEM');
+                                    const product_complete_info = {...new_product_data.product_info.product_dynamic_information, 
+                                        ...new_product_data.product_info.product_static_information};
+                                    this.build_product_approval_ui(product_complete_info);
+                                } else {
+                                    console.log("verify failed");
+                                }  
+                            }
+                        }
+                    }
+                }
+            
+            }
+        },
+        build_product_approval_ui: function(ui_data) {
+
+            var t = ``;
+            t += `<ul>`;
+
+            for (const elem in ui_data) {
+                if (ui_data.hasOwnProperty(elem)) {
+                    if(0) t += ``;
+                    
+                    t += `<li>${elem}:${ui_data[elem]}</li>`;
+                }
+            }
+            t += `<li><button onclick="ecommerce.loggedInUser.user_info.approve_seller_item('${ui_data.product_flo_id}')">APPROVE</button></li>`;
+
+            t += `</ul><hr>`;
+            document.getElementById('renderList').insertAdjacentHTML( 'beforeend', t);
+        },
+        // Approve only static values of a product
+        approve_seller_item: function(productId) {
+            try {
+                const new_generalData = floGlobals.generalData[JSON.stringify({ application: floGlobals.application, 
+                    type: ecommerce.master_configurations.DATA_TYPE.SELLING_PRODUCTS })];
+                const mapped = new_generalData.map(m=>m.message); 
+                const filtered = Object.values(mapped)
+                    .filter(key => Object.keys(key)[0]===productId);
+                const product_static_info = filtered[0][productId].product_info.product_static_information;
+                
+                const admin_approval_signature = {};
+
+                admin_approval_signature.product_flo_id = product_static_info.product_flo_id;
+                admin_approval_signature.seller_flo_id = product_static_info.seller_flo_id;
+                admin_approval_signature.date_of_approval = + new Date();
+                
+                admin_approval_signature.admin_static_product_signature = 
+                    floCrypto.signData(JSON.stringify(product_static_info), myPrivKey);
+
+                admin_approval_signature.admin_pubKey = myPubKey;
+                admin_approval_signature.product_approved = true;
+
+                console.log(admin_approval_signature);
+
+                const ROOT_OBJECT = JSON.parse(JSON.stringify(floGlobals.appObjects
+                    [ecommerce.master_configurations.SUBJECT]
+                ));
+
+                if(typeof ROOT_OBJECT !== "object" || ROOT_OBJECT==null) {
+                    showMessage("Undefined Object. Approval process failed.", "ERROR");
+                    return false;
+                }
+
+                if(typeof ROOT_OBJECT.Products[product_static_info.seller_flo_id] !== "object"
+                || ROOT_OBJECT.Products[product_static_info.seller_flo_id] == null
+                || Object.keys(ROOT_OBJECT.Products[product_static_info.seller_flo_id]).length<1) {
+                    ROOT_OBJECT.Products[product_static_info.seller_flo_id] = {};
+                }
+
+                // Save the products under its seller object
+                ROOT_OBJECT.Products[product_static_info.seller_flo_id]
+                    [product_static_info.product_flo_id] = admin_approval_signature;
+
+                floCloudAPI.updateObjectData(floGlobals.appObjects[ecommerce.master_configurations.SUBJECT], 
+                    ROOT_OBJECT, ecommerce.master_configurations.SUBJECT, { receiverID: floGlobals.adminID });
+
+                ecommerce.actions.retrieveLatestContent();
+
+                showMessage(`Product ID ${product_static_info.product_flo_id} approved successfully.`);
+                return true;
+
+            } catch (error) {
+                throw new Error(error);
+            }
+        },
+    }
+</script>
+
+<!-- Cashier functions -->
+<script>
+    ecommerce.users.user_types.cashiers.prototype = {
+        retrieve_latest_buy_orders: async function() {
+            try {
+                await floCloudAPI.requestGeneralData(
+                    ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS,
+                    {receiverID:myFloID});
+
+                const recent_buy_orders_req = floGlobals.generalData[JSON.stringify(
+                { application: floGlobals.application, 
+                  type: ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS 
+                })];
+
+                ecommerce.recent_buy_orders = recent_buy_orders_req;
+                return ecommerce.recent_buy_orders;
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        validate_buy_orders: async function() {
+
+            try {
+                await this.retrieve_latest_buy_orders();
+                let recent_buy_orders_req = ecommerce.recent_buy_orders;
+                const buyOrderUIObject = [];
+                const flaggedOrders = [];
+
+                for (const buy_req in recent_buy_orders_req) {
+                    if (recent_buy_orders_req.hasOwnProperty(buy_req)) {
+                        
+                        const buyOrderObject = recent_buy_orders_req[buy_req];
+                        
+                        if(buyOrderObject.sender!==floCrypto
+                        .getFloIDfromPubkeyHex(buyOrderObject.message.buyer_signature_details.buyer_pubkey)) {
+                            // flag order
+                            continue;
+                        }
+
+                        if(!floCrypto.verifySign(
+                            JSON.stringify(buyOrderObject.message.buy_order_data), 
+                            buyOrderObject.message.buyer_signature_details.buyer_sign, 
+                            buyOrderObject.message.buyer_signature_details.buyer_pubkey)
+                        ) {
+                            // flag order
+                            continue;
+                        }
+
+                        const buyOrderData = buyOrderObject.message.buy_order_data;
+
+                        // Calculate final price again and check with final_price in object
+                        const calculated_final_price = buyOrderData.shopping_list
+                        .reduce((total, current_elem)=>{
+                            let current_elem_info = current_elem.product_info;
+                            if(ecommerce.approved_products_ids
+                                .includes(current_elem_info.product_static_information.product_flo_id)) {
+                                total += current_elem_info.product_dynamic_information.selling_price
+                                    * buyOrderData.quantity[current_elem_info.product_dynamic_information.product_name];
+                                return total;
+                            }
+                        }, 0);
+                        
+                        if(buyOrderData.final_price===calculated_final_price) {
+                            buyOrderUIObject.push(buyOrderObject.message.txid);
+                        } else {
+                            console.warn('Total price did not match');
+                            flaggedOrders.push(buyOrderObject.message.txid);
+                        }
+
+                        console.log(buyOrderUIObject);
+                        console.log(flaggedOrders);
+
+                    }
+                }
+
+                this.load_buy_orders(buyOrderUIObject);
+                
+            } catch (error) {
+                showMessage(`Failed to load buy orders`, 'ERROR');
+                return false;
+            }
+            
+        },
+        load_buy_orders: async function(txid_array=[]) {
+            try {
+                const approved_buys = await compactIDB.readAllData('approved_buy_orders')
+                const approved_buys_txids = Object.values(approved_buys).map(m=>m.txid)
+                let t = ``;
+                for (const txid of txid_array) {     
+                    if(approved_buys_txids.includes(txid)) continue;           
+                    const validated_array = ecommerce.products.get_product_details_by_txid(txid);
+                    let buyOrderUIObject = printArrayOfArrays(validated_array);
+                    console.log(buyOrderUIObject);
+                    t += `<ul>`;
+                    for (const key in buyOrderUIObject) {
+                        if (buyOrderUIObject.hasOwnProperty(key)) {
+                            const order_element = buyOrderUIObject[key];
+                            t += `<li>${key}: ${order_element}</li>`;
+                            if(key==='txid') {
+                                t += `<button id='${order_element}' 
+                                        onclick="ecommerce.loggedInUser.user_info.approve_buy_orders('${order_element}')">
+                                    Approve</button>`;
+                            }
+                        }
+                    }
+                    t += `</ul>`;
+                }
+                document.getElementById('renderList').innerHTML = t;
+            } catch (error) {
+                throw new Error(error)
+            }
+        },
+        // Sign and send to shopkeeper flo id
+        approve_buy_orders: function(txid='') {
+            try {
+                const payment_to_vendor_txid = prompt("Please enter the txid for payment to vendor: ", "");
+                if (typeof(payment_to_vendor_txid)!=="string" || payment_to_vendor_txid.length<1) return;
+                const validated_buy_order_array = ecommerce.products.get_product_details_by_txid(txid);
+                console.log(validated_buy_order_array);
+                
+                const validated_buy_order = validated_buy_order_array[0];
+                validated_buy_order.status = "PAYMENT_TRANSFERRED_FROM_CASHIER_TO_VENDOR";
+                validated_buy_order.payment_to_vendor_txid = payment_to_vendor_txid;
+                
+                let cashier_signature_details = {};
+                cashier_signature_details.cashier_sign = floCrypto.signData(
+                    JSON.stringify(validated_buy_order), myPrivKey);
+                cashier_signature_details.cashier_pubkey = myPubKey;
+
+                validated_buy_order['cashier_signature_details'] = cashier_signature_details;
+
+                console.log(validated_buy_order);
+
+                const vendor_addr = validated_buy_order.buy_order_data.shopping_list[0].product_info.product_static_information.seller_flo_id;
+
+                floCloudAPI.sendGeneralData(validated_buy_order, ecommerce.master_configurations.DATA_TYPE.BUY_ORDERS, 
+                        {receiverID:vendor_addr, senderIDs: [myFloID]});
+
+                compactIDB.addData("approved_buy_orders", validated_buy_order, txid);
+
+                // Can inform buyer
+
+            } catch (error) {
+                showMessage('Errror');
+                throw new Error(error);
+            }
+        },
+    }    
+</script>
+ <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
+ <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
+ <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
+
+<div id="renderList"></div>
+<div id="latestBuyOrdersList"></div>
+<div id="myPurchasedItemsList"></div>
+</html>
\ No newline at end of file
