From c46a53debfeed340026b9f6788c44f61ee3bbaef Mon Sep 17 00:00:00 2001
From: sairaj mote <sairajmote3@gmail.com>
Date: Wed, 8 Feb 2023 17:52:06 +0530
Subject: [PATCH] Updated std ops

-- Login with BTC private should work now
---
 index.html                  |   84 +-
 scripts/btcOperator.js      |  747 +++++++
 scripts/floBlockchainAPI.js |   65 +-
 scripts/floCloudAPI.js      |  240 ++-
 scripts/floCrypto.js        |  203 +-
 scripts/floDapps.js         |  398 +++-
 scripts/floTokenAPI.js      |   18 +-
 scripts/lib.js              | 3763 ++++++++++++++++++++++++++++++-----
 scripts/lib_btc.js          | 2883 ---------------------------
 9 files changed, 4790 insertions(+), 3611 deletions(-)
 create mode 100644 scripts/btcOperator.js
 delete mode 100644 scripts/lib_btc.js

diff --git a/index.html b/index.html
index 3e47ffc..69d315c 100644
--- a/index.html
+++ b/index.html
@@ -17,31 +17,11 @@
     <script src="https://unpkg.com/uhtml@3.0.1/es.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/fuse.js@6.4.6" defer></script>
     <script id="floGlobals">
-        /* Constants for FLO blockchain operations !!Make sure to add this at beginning!! */
+        /* 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://flosight.duckdns.org/', 'https://livenet.flocha.in/'],
-                FLO_TEST: ['https://testnet-flosight.duckdns.org/', 'https://testnet.flocha.in/']
-            },
             adminID: "FC18nZVcHifauCsRMMeH4gkGxexuhSMFgs",
-            sendAmt: 0.001,
-            fee: 0.0005,
-
-            //Required for Supernode operations
-            SNStorageID: "FNaN9McoBAEFUjkRmNQRYLmBF8SpS7Tgfk",
-            supernodes: {}, //each supernode must be stored as floID : {uri:<uri>,pubKey:<publicKey>}
-
-            //for cloud apps
-            subAdmins: [],
             application: "CC",
-            appObjects: {},
-            generalData: {},
-            lastVC: {}
         }
     </script>
 </head>
@@ -719,7 +699,7 @@
     <script id="compactIDB" src="scripts/compactIDB.js"></script>
     <script id="floCloudAPI" src="scripts/floCloudAPI.js"></script>
     <script id="floDapps" src="scripts/floDapps.js"></script>
-    <script src="scripts/lib_btc.js"></script>
+    <script src="scripts/btcOperator.js"></script>
     <script id="ui_utils">
         const { html, render: renderElem } = uhtml;
         const domRefs = {}
@@ -981,7 +961,7 @@
             let params = {}
             let searchParams
             if (targetPage === '') {
-                if (typeof myFloID === "undefined") {
+                if (typeof floGlobals.myFloID === "undefined") {
                     pageId = 'landing'
                 } else {
                     pageId = 'main_page'
@@ -1006,7 +986,7 @@
             if (isPreview) {
                 floGlobals.preview = location.hash;
             }
-            if (typeof myFloID === "undefined" && !(['sign_up', 'sign_in', 'loading', 'landing'].includes(pageId))) return
+            if (typeof floGlobals.myFloID === "undefined" && !(['sign_up', 'sign_in', 'loading', 'landing'].includes(pageId))) return
             if (searchParams) {
                 const urlSearchParams = new URLSearchParams('?' + searchParams);
                 params = Object.fromEntries(urlSearchParams.entries());
@@ -1735,12 +1715,12 @@
                 parseArticleData(id)
                 const { title } = floGlobals.appObjects.cc.articleList[id]
                 const { writer, sections } = floGlobals.currentArticle
-                let assignedSection = localStorage.getItem(`${id}_assigned_section_${myFloID}`)
+                let assignedSection = localStorage.getItem(`${id}_assigned_section_${floGlobals.myFloID}`)
                 const sectionKeys = Object.keys(floGlobals.currentArticle.sections)
                 if (assignedSection === null && !floGlobals.isSubAdmin) {
                     const randomIndex = floCrypto.randInt(0, sectionKeys.length - 1)
                     assignedSection = sectionKeys[randomIndex]
-                    localStorage.setItem(`${id}_assigned_section_${myFloID}`, assignedSection)
+                    localStorage.setItem(`${id}_assigned_section_${floGlobals.myFloID}`, assignedSection)
                 }
                 getRef('current_article_title').textContent = title
                 getRef('article_wrapper').innerHTML = ''
@@ -2066,8 +2046,8 @@
                                     if (noOfContributors === 2)
                                         break
                                 }
-                                if (noOfContributors < 2 && !contributors.hasOwnProperty(myFloID)) {
-                                    contentCard.querySelector('.content__author').textContent = `${myFloID} and 1 more`
+                                if (noOfContributors < 2 && !contributors.hasOwnProperty(floGlobals.myFloID)) {
+                                    contentCard.querySelector('.content__author').textContent = `${floGlobals.myFloID} and 1 more`
                                 }
                                 contentCard.querySelector('.content__score').textContent = 0
                                 contentCard.querySelector('.content__score').parentNode.classList.remove('score-button--filled')
@@ -2264,7 +2244,7 @@
                 closePopup()
             } else if (e.target.closest('.enable-focus-button')) {
                 const sectionID = e.target.closest('.enable-focus-button').dataset.sectionId
-                localStorage.setItem(`${floGlobals.currentArticle.id}_assigned_section_${myFloID}`, sectionID)
+                localStorage.setItem(`${floGlobals.currentArticle.id}_assigned_section_${floGlobals.myFloID}`, sectionID)
                 location.hash = `#/home?articleID=${floGlobals.currentArticle.id}&focusMode=true`
                 render.article(floGlobals.currentArticle.id, true)
                 closePopup()
@@ -2728,24 +2708,39 @@
             floDapps.setCustomPrivKeyInput(getSignedIn)
 
             floDapps.launchStartUp().then(async result => {
-                floGlobals.isSubAdmin = floGlobals.subAdmins.includes(myFloID)
-                getRef('user_flo_id').value = myFloID
-                getRef('user_btc_id').value = btc_api.convert.legacy2bech(myFloID)
+                if (!floCrypto.validateFloID(floDapps.user.id)) {
+                    floGlobals.myBtcID = floDapps.user.id
+                    const type = coinjs.addressDecode(floGlobals.myBtcID).type
+                    if (type === 'standard') {
+                        floGlobals.myFloID = btcOperator.convert.legacy2legacy(floGlobals.myBtcID, 0x23);
+                    } else if (type === 'bech32') {
+                        floGlobals.myFloID = btcOperator.convert.bech2legacy(floGlobals.myBtcID, 0x23);
+                    } else {
+                        notify(`Multisig address can't be used to sign in`, 'error');
+                        return;
+                    }
+                } else {
+                    floGlobals.myFloID = floDapps.user.id
+                    floGlobals.myBtcID = btcOperator.convert.legacy2bech(floDapps.user.id)
+                }
+                floGlobals.isSubAdmin = floGlobals.subAdmins.includes(floGlobals.myFloID)
+                getRef('user_flo_id').value = floGlobals.myFloID
+                getRef('user_btc_id').value = btcOperator.convert.legacy2bech(floGlobals.myFloID)
                 renderElem(getRef('user_popup_button'), html`
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-                        <div>${myFloID}</div>
+                        <div>${floGlobals.myFloID}</div>
                         `)
                 setInterval(() => {
                     if (!isShowingFloID) {
                         renderElem(getRef('user_popup_button'), html`
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51.0167C27.6514 54.3094 29.1319 57.0622 31.1626 59.6216L32.7294 58.3784ZM29.2314 50.7721C28.8877 47.9881 29.6602 45.4224 31.0736 42.8747L29.3247 41.9045C27.7842 44.6812 26.8341 47.6775 27.2464 51.0171L29.2314 50.7721ZM30.3574 41.4022C29.3303 41.2375 28.1125 41.4187 26.9159 41.7622C25.6987 42.1117 24.4105 42.6564 23.2045 43.307C21.999 43.9574 20.8488 44.728 19.9166 45.543C19.005 46.3399 18.2137 47.2553 17.855 48.2141L19.7282 48.9149C19.9149 48.4157 20.4139 47.7647 21.233 47.0487C22.0314 46.3507 23.0524 45.6616 24.1541 45.0672C25.2552 44.4732 26.4102 43.9882 27.4678 43.6846C28.5458 43.3751 29.4344 43.2798 30.0408 43.377L30.3574 41.4022ZM18.3402 49.4568C21.2702 50.939 24.0958 50.214 26.6786 49.2534L25.9814 47.3788C23.4828 48.3082 21.3728 48.7496 19.243 47.6722L18.3402 49.4568ZM25.6127 47.6194C24.9334 48.3187 23.4333 48.9382 21.5294 49.2141C19.6667 49.484 17.6562 49.3889 16.1239 48.8838L15.4977 50.7832C17.3971 51.4094 19.7336 51.4952 21.8162 51.1934C23.8578 50.8976 25.9014 50.1927 27.0473 49.0128L25.6127 47.6194ZM16.7085 50.274C18.0554 47.5292 19.8486 45.5942 22.044 44.3081C24.2482 43.0169 26.918 42.345 30.0635 42.2279L29.9891 40.2293C26.606 40.3552 23.5923 41.0832 21.0331 42.5824C18.4649 44.0869 16.4147 46.3328 14.9131 49.393L16.7085 50.274ZM30.7373 40.5255C30.2757 40.0586 29.8942 39.6578 29.5106 39.2882L28.1228 40.7282C28.4844 41.0768 28.8157 41.4266 29.3153 41.9317L30.7373 40.5255ZM29.5108 39.2883C26.7637 36.6396 23.7967 34.1615 20.2815 32.3479L19.3645 34.1253C22.6317 35.8109 25.4373 38.1388 28.1226 40.7281L29.5108 39.2883ZM20.2816 32.348C17.4111 30.8666 14.2829 29.877 10.8001 30.3981L11.0961 32.3761C14.0015 31.9414 16.6891 32.7446 19.3644 34.1252L20.2816 32.348ZM10.7998 30.3982C10.388 30.4599 9.94468 30.566 9.46564 30.6638L9.86556 32.6234C10.4449 32.5052 10.7522 32.4277 11.0964 32.376L10.7998 30.3982ZM8.68401 31.8346C9.73479 37.2345 13.3673 40.5279 17.5941 43.1923L18.6607 41.5005C14.6039 38.9431 11.5404 36.0427 10.6472 31.4526L8.68401 31.8346ZM18.2475 41.3536C17.3819 41.2489 16.2594 40.7693 14.9918 39.9335C13.742 39.1093 12.427 37.9891 11.1875 36.7057C8.68437 34.1137 6.62095 30.9947 5.96732 28.5011L4.03268 29.0082C4.81005 31.9739 7.13413 35.3875 9.74885 38.095C11.0683 39.4613 12.4947 40.6825 13.8908 41.6031C15.2691 42.512 16.6967 43.1806 18.0073 43.3392L18.2475 41.3536ZM5.15997 29.7417C13.3246 28.4186 20.4108 29.874 26.173 35.9217L27.621 34.5421C21.2872 27.8944 13.4694 26.369 4.84003 27.7675L5.15997 29.7417ZM27.8093 34.8223C25.3851 29.4232 24.8341 24.3801 25.7561 19.5859C26.6809 14.7778 29.1009 10.1516 32.7265 5.62517L31.1655 4.37483C27.4012 9.07433 24.7952 13.9927 23.7921 19.2082C22.7863 24.4378 23.4058 29.8977 25.9847 35.6415L27.8093 34.8223ZM31.1655 5.62512C34.7619 10.1157 37.1747 14.7077 38.1168 19.4869C39.0562 24.2523 38.5469 29.2701 36.1948 34.6504L38.0274 35.4515C40.5299 29.7268 41.1033 24.2956 40.0791 19.1001C39.0576 13.9183 36.4606 9.03731 32.7265 4.37488L31.1655 5.62512Z" mask="url(#path-1-outside-1_16_6)" /> </svg>
-                        <div>${myFloID}</div>
+                        <div>${floGlobals.myFloID}</div>
                         `)
                         isShowingFloID = true
                     } else {
                         renderElem(getRef('user_popup_button'), html`
                         <svg class="icon margin-right-0-5" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><g><rect fill="none" height="24" width="24"/></g><g><path d="M17.06,11.57C17.65,10.88,18,9.98,18,9c0-1.86-1.27-3.43-3-3.87L15,3h-2v2h-2V3H9v2H6v2h2v10H6v2h3v2h2v-2h2v2h2v-2 c2.21,0,4-1.79,4-4C19,13.55,18.22,12.27,17.06,11.57z M10,7h4c1.1,0,2,0.9,2,2s-0.9,2-2,2h-4V7z M15,17h-5v-4h5c1.1,0,2,0.9,2,2 S16.1,17,15,17z"/></g></svg>
-                        <div >${btc_api.convert.legacy2bech(myFloID)}</div>
+                        <div >${floGlobals.myBtcID}</div>
                         `)
                         isShowingFloID = false
                     }
@@ -3996,9 +3991,24 @@
 
                 floDapps.launchStartUp().then(async result => {
                     isLoggedIn = true
-                    floGlobals.isSubAdmin = floGlobals.subAdmins.includes(myFloID)
+                    if (!floCrypto.validateFloID(floDapps.user.id)) {
+                        floGlobals.myBtcID = floDapps.user.id
+                        const type = coinjs.addressDecode(floGlobals.myBtcID).type
+                        if (type === 'standard') {
+                            floGlobals.myFloID = btcOperator.convert.legacy2legacy(floGlobals.myBtcID, 0x23);
+                        } else if (type === 'bech32') {
+                            floGlobals.myFloID = btcOperator.convert.bech2legacy(floGlobals.myBtcID, 0x23);
+                        } else {
+                            notify(`Multisig address can't be used to sign in`, 'error');
+                            return;
+                        }
+                    } else {
+                        floGlobals.myFloID = floDapps.user.id
+                        floGlobals.myBtcID = btcOperator.convert.legacy2bech(floDapps.user.id)
+                    }
+                    floGlobals.isSubAdmin = floGlobals.subAdmins.includes(floGlobals.myFloID)
 
-                    getRef('user_flo_id').value = myFloID
+                    getRef('user_flo_id').value = floGlobals.myFloID
                     getRef('user_button').classList.remove('hidden')
                     console.log(result)
                 }).catch(error => console.error(error))
diff --git a/scripts/btcOperator.js b/scripts/btcOperator.js
new file mode 100644
index 0000000..c81f2e2
--- /dev/null
+++ b/scripts/btcOperator.js
@@ -0,0 +1,747 @@
+(function (EXPORTS) { //btcOperator v1.0.14b
+    /* BTC Crypto and API Operator */
+    const btcOperator = EXPORTS;
+
+    //This library uses API provided by chain.so (https://chain.so/)
+    const URL = "https://chain.so/api/v2/";
+
+    const fetch_api = btcOperator.fetch = function (api) {
+        return new Promise((resolve, reject) => {
+            console.debug(URL + api);
+            fetch(URL + api).then(response => {
+                response.json()
+                    .then(result => result.status === "success" ? resolve(result) : reject(result))
+                    .catch(error => reject(error))
+            }).catch(error => reject(error))
+        })
+    };
+
+    const SATOSHI_IN_BTC = 1e8;
+
+    function get_fee_rate() {
+        return new Promise((resolve, reject) => {
+            fetch('https://api.blockchain.info/mempool/fees').then(response => {
+                if (response.ok)
+                    response.json()
+                        .then(result => resolve(parseFloat((result.regular / SATOSHI_IN_BTC).toFixed(8))))
+                        .catch(error => reject(error));
+                else
+                    reject(response);
+            }).catch(error => reject(error))
+        })
+    }
+
+    const broadcastTx = btcOperator.broadcastTx = rawTxHex => new Promise((resolve, reject) => {
+        let url = 'https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction';
+        fetch(url, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded'
+            },
+            body: "rawtx=" + rawTxHex
+        }).then(response => {
+            response.text().then(resultText => {
+                let r = resultText.match(/<result>.*<\/result>/);
+                if (!r)
+                    reject(resultText);
+                else {
+                    r = r.pop().replace('<result>', '').replace('</result>', '');
+                    if (r == '1') {
+                        let txid = resultText.match(/<txid>.*<\/txid>/).pop().replace('<txid>', '').replace('</txid>', '');
+                        resolve(txid);
+                    } else if (r == '0') {
+                        let error = resultText.match(/<response>.*<\/response>/).pop().replace('<response>', '').replace('</response>', '');
+                        reject(decodeURIComponent(error.replace(/\+/g, " ")));
+                    } else reject(resultText);
+                }
+            }).catch(error => reject(error))
+        }).catch(error => reject(error))
+    });
+
+    Object.defineProperties(btcOperator, {
+        newKeys: {
+            get: () => {
+                let r = coinjs.newKeys();
+                r.segwitAddress = coinjs.segwitAddress(r.pubkey).address;
+                r.bech32Address = coinjs.bech32Address(r.pubkey).address;
+                return r;
+            }
+        },
+        pubkey: {
+            value: key => key.length >= 66 ? key : (key.length == 64 ? coinjs.newPubkey(key) : coinjs.wif2pubkey(key).pubkey)
+        },
+        address: {
+            value: (key, prefix = undefined) => coinjs.pubkey2address(btcOperator.pubkey(key), prefix)
+        },
+        segwitAddress: {
+            value: key => coinjs.segwitAddress(btcOperator.pubkey(key)).address
+        },
+        bech32Address: {
+            value: key => coinjs.bech32Address(btcOperator.pubkey(key)).address
+        }
+    });
+
+    coinjs.compressed = true;
+
+    const verifyKey = btcOperator.verifyKey = function (addr, key) {
+        if (!addr || !key)
+            return undefined;
+        switch (coinjs.addressDecode(addr).type) {
+            case "standard":
+                return btcOperator.address(key) === addr;
+            case "multisig":
+                return btcOperator.segwitAddress(key) === addr;
+            case "bech32":
+                return btcOperator.bech32Address(key) === addr;
+            default:
+                return null;
+        }
+    }
+
+    const validateAddress = btcOperator.validateAddress = function (addr) {
+        if (!addr)
+            return undefined;
+        let type = coinjs.addressDecode(addr).type;
+        if (["standard", "multisig", "bech32", "multisigBech32"].includes(type))
+            return type;
+        else
+            return false;
+    }
+
+    btcOperator.multiSigAddress = function (pubKeys, minRequired, bech32 = true) {
+        if (!Array.isArray(pubKeys))
+            throw "pubKeys must be an array of public keys";
+        else if (pubKeys.length < minRequired)
+            throw "minimum required should be less than the number of pubKeys";
+        if (bech32)
+            return coinjs.pubkeys2MultisigAddressBech32(pubKeys, minRequired);
+        else
+            return coinjs.pubkeys2MultisigAddress(pubKeys, minRequired);
+    }
+
+    //convert from one blockchain to another blockchain (target version)
+    btcOperator.convert = {};
+
+    btcOperator.convert.wif = function (source_wif, target_version = coinjs.priv) {
+        let keyHex = decodeLegacy(source_wif).hex;
+        if (!keyHex || keyHex.length < 66 || !/01$/.test(keyHex))
+            return null;
+        else
+            return encodeLegacy(keyHex, target_version);
+    }
+
+    btcOperator.convert.legacy2legacy = function (source_addr, target_version = coinjs.pub) {
+        let rawHex = decodeLegacy(source_addr).hex;
+        if (!rawHex)
+            return null;
+        else
+            return encodeLegacy(rawHex, target_version);
+    }
+
+    btcOperator.convert.legacy2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
+        let rawHex = decodeLegacy(source_addr).hex;
+        if (!rawHex)
+            return null;
+        else
+            return encodeBech32(rawHex, target_version, target_hrp);
+    }
+
+    btcOperator.convert.bech2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
+        let rawHex = decodeBech32(source_addr).hex;
+        if (!rawHex)
+            return null;
+        else
+            return encodeBech32(rawHex, target_version, target_hrp);
+    }
+
+    btcOperator.convert.bech2legacy = function (source_addr, target_version = coinjs.pub) {
+        let rawHex = decodeBech32(source_addr).hex;
+        if (!rawHex)
+            return null;
+        else
+            return encodeLegacy(rawHex, target_version);
+    }
+
+    function decodeLegacy(source) {
+        var decode = coinjs.base58decode(source);
+        var raw = decode.slice(0, decode.length - 4),
+            checksum = decode.slice(decode.length - 4);
+        var hash = Crypto.SHA256(Crypto.SHA256(raw, {
+            asBytes: true
+        }), {
+            asBytes: true
+        });
+        if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
+            return null;
+        let version = raw.shift();
+        return {
+            version: version,
+            hex: Crypto.util.bytesToHex(raw)
+        }
+    }
+
+    function encodeLegacy(hex, version) {
+        var bytes = Crypto.util.hexToBytes(hex);
+        bytes.unshift(version);
+        var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
+            asBytes: true
+        }), {
+            asBytes: true
+        });
+        var checksum = hash.slice(0, 4);
+        return coinjs.base58encode(bytes.concat(checksum));
+    }
+
+    function decodeBech32(source) {
+        let decode = coinjs.bech32_decode(source);
+        if (!decode)
+            return null;
+        var raw = decode.data;
+        let version = raw.shift();
+        raw = coinjs.bech32_convert(raw, 5, 8, false);
+        return {
+            hrp: decode.hrp,
+            version: version,
+            hex: Crypto.util.bytesToHex(raw)
+        }
+    }
+
+    function encodeBech32(hex, version, hrp) {
+        var bytes = Crypto.util.hexToBytes(hex);
+        bytes = coinjs.bech32_convert(bytes, 8, 5, true);
+        bytes.unshift(version)
+        return coinjs.bech32_encode(hrp, bytes);
+    }
+
+    //BTC blockchain APIs
+
+    btcOperator.getBalance = addr => new Promise((resolve, reject) => {
+        fetch_api(`get_address_balance/BTC/${addr}`)
+            .then(result => resolve(parseFloat(result.data.confirmed_balance)))
+            .catch(error => reject(error))
+    });
+
+    const BASE_TX_SIZE = 12,
+        BASE_INPUT_SIZE = 41,
+        LEGACY_INPUT_SIZE = 107,
+        BECH32_INPUT_SIZE = 27,
+        BECH32_MULTISIG_INPUT_SIZE = 35,
+        SEGWIT_INPUT_SIZE = 59,
+        MULTISIG_INPUT_SIZE_ES = 351,
+        BASE_OUTPUT_SIZE = 9,
+        LEGACY_OUTPUT_SIZE = 25,
+        BECH32_OUTPUT_SIZE = 23,
+        BECH32_MULTISIG_OUTPUT_SIZE = 34,
+        SEGWIT_OUTPUT_SIZE = 23;
+
+    function _redeemScript(addr, key) {
+        let decode = coinjs.addressDecode(addr);
+        switch (decode.type) {
+            case "standard":
+                return false;
+            case "multisig":
+                return key ? coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript : null;
+            case "bech32":
+                return decode.redeemscript;
+            default:
+                return null;
+        }
+    }
+
+    function _sizePerInput(addr, rs) {
+        switch (coinjs.addressDecode(addr).type) {
+            case "standard":
+                return BASE_INPUT_SIZE + LEGACY_INPUT_SIZE;
+            case "bech32":
+                return BASE_INPUT_SIZE + BECH32_INPUT_SIZE;
+            case "multisigBech32":
+                return BASE_INPUT_SIZE + BECH32_MULTISIG_INPUT_SIZE;
+            case "multisig":
+                switch (coinjs.script().decodeRedeemScript(rs).type) {
+                    case "segwit__":
+                        return BASE_INPUT_SIZE + SEGWIT_INPUT_SIZE;
+                    case "multisig__":
+                        return BASE_INPUT_SIZE + MULTISIG_INPUT_SIZE_ES;
+                    default:
+                        return null;
+                };
+            default:
+                return null;
+        }
+    }
+
+    function _sizePerOutput(addr) {
+        switch (coinjs.addressDecode(addr).type) {
+            case "standard":
+                return BASE_OUTPUT_SIZE + LEGACY_OUTPUT_SIZE;
+            case "bech32":
+                return BASE_OUTPUT_SIZE + BECH32_OUTPUT_SIZE;
+            case "multisigBech32":
+                return BASE_OUTPUT_SIZE + BECH32_MULTISIG_OUTPUT_SIZE;
+            case "multisig":
+                return BASE_OUTPUT_SIZE + SEGWIT_OUTPUT_SIZE;
+            default:
+                return null;
+        }
+    }
+
+    function validateTxParameters(parameters) {
+        let invalids = [];
+        //sender-ids
+        if (parameters.senders) {
+            if (!Array.isArray(parameters.senders))
+                parameters.senders = [parameters.senders];
+            parameters.senders.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
+            if (invalids.length)
+                throw "Invalid senders:" + invalids;
+        }
+        if (parameters.privkeys) {
+            if (!Array.isArray(parameters.privkeys))
+                parameters.privkeys = [parameters.privkeys];
+            if (parameters.senders.length != parameters.privkeys.length)
+                throw "Array length for senders and privkeys should be equal";
+            parameters.senders.forEach((id, i) => {
+                let key = parameters.privkeys[i];
+                if (!verifyKey(id, key)) //verify private-key
+                    invalids.push(id);
+                if (key.length === 64) //convert Hex to WIF if needed
+                    parameters.privkeys[i] = coinjs.privkey2wif(key);
+            });
+            if (invalids.length)
+                throw "Invalid keys:" + invalids;
+        }
+        //receiver-ids (and change-id)
+        if (!Array.isArray(parameters.receivers))
+            parameters.receivers = [parameters.receivers];
+        parameters.receivers.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
+        if (invalids.length)
+            throw "Invalid receivers:" + invalids;
+        if (parameters.change_address && !validateAddress(parameters.change_address))
+            throw "Invalid change_address:" + parameters.change_address;
+        //fee and amounts
+        if ((typeof parameters.fee !== "number" || parameters.fee <= 0) && parameters.fee !== null) //fee = null (auto calc)
+            throw "Invalid fee:" + parameters.fee;
+        if (!Array.isArray(parameters.amounts))
+            parameters.amounts = [parameters.amounts];
+        if (parameters.receivers.length != parameters.amounts.length)
+            throw "Array length for receivers and amounts should be equal";
+        parameters.amounts.forEach(a => typeof a !== "number" || a <= 0 ? invalids.push(a) : null);
+        if (invalids.length)
+            throw "Invalid amounts:" + invalids;
+        //return
+        return parameters;
+    }
+
+    function createTransaction(senders, redeemScripts, receivers, amounts, fee, change_address, fee_from_receiver) {
+        return new Promise((resolve, reject) => {
+            let total_amount = parseFloat(amounts.reduce((t, a) => t + a, 0).toFixed(8));
+            const tx = coinjs.transaction();
+            let output_size = addOutputs(tx, receivers, amounts, change_address);
+            addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver).then(result => {
+                if (result.change_amount > 0 && result.change_amount > result.fee) //add change amount if any (ignore dust change)
+                    tx.outs[tx.outs.length - 1].value = parseInt(result.change_amount * SATOSHI_IN_BTC); //values are in satoshi
+                if (fee_from_receiver) { //deduce fee from receivers if fee_from_receiver
+                    let fee_remaining = parseInt(result.fee * SATOSHI_IN_BTC);
+                    for (let i = 0; i < tx.outs.length - 1 && fee_remaining > 0; i++) {
+                        if (fee_remaining < tx.outs[i].value) {
+                            tx.outs[i].value -= fee_remaining;
+                            fee_remaining = 0;
+                        } else {
+                            fee_remaining -= tx.outs[i].value;
+                            tx.outs[i].value = 0;
+                        }
+                    }
+                    if (fee_remaining > 0)
+                        return reject("Send amount is less than fee");
+
+                }
+                tx.outs = tx.outs.filter(o => o.value != 0); //remove all output with value 0
+                result.output_size = output_size;
+                result.output_amount = total_amount - (fee_from_receiver ? result.fee : 0);
+                result.total_size = BASE_TX_SIZE + output_size + result.input_size;
+                result.transaction = tx;
+                resolve(result);
+            }).catch(error => reject(error))
+        })
+    }
+
+    function addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver) {
+        return new Promise((resolve, reject) => {
+            if (fee !== null) {
+                addUTXOs(tx, senders, redeemScripts, fee_from_receiver ? total_amount : total_amount + fee, false).then(result => {
+                    result.fee = fee;
+                    resolve(result);
+                }).catch(error => reject(error))
+            } else {
+                get_fee_rate().then(fee_rate => {
+                    let net_fee = BASE_TX_SIZE * fee_rate;
+                    net_fee += (output_size * fee_rate);
+                    (fee_from_receiver ?
+                        addUTXOs(tx, senders, redeemScripts, total_amount, false) :
+                        addUTXOs(tx, senders, redeemScripts, total_amount + net_fee, fee_rate)
+                    ).then(result => {
+                        result.fee = parseFloat((net_fee + (result.input_size * fee_rate)).toFixed(8));
+                        result.fee_rate = fee_rate;
+                        resolve(result);
+                    }).catch(error => reject(error))
+                }).catch(error => reject(error))
+            }
+        })
+    }
+
+    function addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args = {}) {
+        return new Promise((resolve, reject) => {
+            required_amount = parseFloat(required_amount.toFixed(8));
+            if (typeof rec_args.n === "undefined") {
+                rec_args.n = 0;
+                rec_args.input_size = 0;
+                rec_args.input_amount = 0;
+            }
+            if (required_amount <= 0)
+                return resolve({
+                    input_size: rec_args.input_size,
+                    input_amount: rec_args.input_amount,
+                    change_amount: required_amount * -1 //required_amount will be -ve of change_amount
+                });
+            else if (rec_args.n >= senders.length)
+                return reject("Insufficient Balance");
+            let addr = senders[rec_args.n],
+                rs = redeemScripts[rec_args.n];
+            let addr_type = coinjs.addressDecode(addr).type;
+            let size_per_input = _sizePerInput(addr, rs);
+            fetch_api(`get_tx_unspent/BTC/${addr}`).then(result => {
+                let utxos = result.data.txs;
+                console.debug("add-utxo", addr, rs, required_amount, utxos);
+                for (let i = 0; i < utxos.length && required_amount > 0; i++) {
+                    if (!utxos[i].confirmations) //ignore unconfirmed utxo
+                        continue;
+                    var script;
+                    if (!rs || !rs.length) //legacy script
+                        script = utxos[i].script_hex;
+                    else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi)) || addr_type === 'multisigBech32') {
+                        //redeemScript for segwit/bech32 and multisig (bech32)
+                        let s = coinjs.script();
+                        s.writeBytes(Crypto.util.hexToBytes(rs));
+                        s.writeOp(0);
+                        s.writeBytes(coinjs.numToBytes((utxos[i].value * SATOSHI_IN_BTC).toFixed(0), 8));
+                        script = Crypto.util.bytesToHex(s.buffer);
+                    } else //redeemScript for multisig (segwit)
+                        script = rs;
+                    tx.addinput(utxos[i].txid, utxos[i].output_no, script, 0xfffffffd /*sequence*/); //0xfffffffd for Replace-by-fee
+                    //update track values
+                    rec_args.input_size += size_per_input;
+                    rec_args.input_amount += parseFloat(utxos[i].value);
+                    required_amount -= parseFloat(utxos[i].value);
+                    if (fee_rate) //automatic fee calculation (dynamic)
+                        required_amount += size_per_input * fee_rate;
+                }
+                rec_args.n += 1;
+                addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error))
+            }).catch(error => reject(error))
+        })
+    }
+
+    function addOutputs(tx, receivers, amounts, change_address) {
+        let size = 0;
+        for (let i in receivers) {
+            tx.addoutput(receivers[i], amounts[i]);
+            size += _sizePerOutput(receivers[i]);
+        }
+        tx.addoutput(change_address, 0);
+        size += _sizePerOutput(change_address);
+        return size;
+    }
+
+    /*
+    function autoFeeCalc(tx) {
+        return new Promise((resolve, reject) => {
+            get_fee_rate().then(fee_rate => {
+                let tx_size = tx.size();
+                for (var i = 0; i < this.ins.length; i++)
+                    switch (tx.extractScriptKey(i).type) {
+                        case 'scriptpubkey':
+                            tx_size += SIGN_SIZE;
+                            break;
+                        case 'segwit':
+                        case 'multisig':
+                            tx_size += SIGN_SIZE * 0.25;
+                            break;
+                        default:
+                            console.warn('Unknown script-type');
+                            tx_size += SIGN_SIZE;
+                    }
+                resolve(tx_size * fee_rate);
+            }).catch(error => reject(error))
+        })
+    }
+
+    function editFee(tx, current_fee, target_fee, index = -1) {
+        //values are in satoshi
+        index = parseInt(index >= 0 ? index : tx.outs.length - index);
+        if (index < 0 || index >= tx.outs.length)
+            throw "Invalid index";
+        let edit_value = parseInt(current_fee - target_fee), //rip of any decimal places
+            current_value = tx.outs[index].value; //could be BigInterger
+        if (edit_value < 0 && edit_value > current_value)
+            throw "Insufficient value at vout";
+        tx.outs[index].value = current_value instanceof BigInteger ?
+            current_value.add(new BigInteger('' + edit_value)) : parseInt(current_value + edit_value);
+    }
+    */
+
+    btcOperator.sendTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
+        return new Promise((resolve, reject) => {
+            createSignedTx(senders, privkeys, receivers, amounts, fee, options).then(result => {
+                debugger;
+                broadcastTx(result.transaction.serialize())
+                    .then(txid => resolve(txid))
+                    .catch(error => reject(error));
+            }).catch(error => reject(error))
+        })
+    }
+
+    const createSignedTx = btcOperator.createSignedTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
+        return new Promise((resolve, reject) => {
+            try {
+                ({
+                    senders,
+                    privkeys,
+                    receivers,
+                    amounts
+                } = validateTxParameters({
+                    senders,
+                    privkeys,
+                    receivers,
+                    amounts,
+                    fee,
+                    change_address: options.change_address
+                }));
+            } catch (e) {
+                return reject(e)
+            }
+            let redeemScripts = [],
+                wif_keys = [];
+            for (let i in senders) {
+                let rs = _redeemScript(senders[i], privkeys[i]); //get redeem-script (segwit/bech32)
+                redeemScripts.push(rs);
+                rs === false ? wif_keys.unshift(privkeys[i]) : wif_keys.push(privkeys[i]); //sorting private-keys (wif)
+            }
+            if (redeemScripts.includes(null)) //TODO: segwit
+                return reject("Unable to get redeem-script");
+            //create transaction
+            createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
+                let tx = result.transaction;
+                console.debug("Unsigned:", tx.serialize());
+                new Set(wif_keys).forEach(key => console.debug("Signing key:", key, tx.sign(key, 1 /*sighashtype*/))); //Sign the tx using private key WIF
+                console.debug("Signed:", tx.serialize());
+                resolve(result);
+            }).catch(error => reject(error));
+        })
+    }
+
+    btcOperator.createTx = function (senders, receivers, amounts, fee = null, options = {}) {
+        return new Promise((resolve, reject) => {
+            try {
+                ({
+                    senders,
+                    receivers,
+                    amounts
+                } = validateTxParameters({
+                    senders,
+                    receivers,
+                    amounts,
+                    fee,
+                    change_address: options.change_address
+                }));
+            } catch (e) {
+                return reject(e)
+            }
+            let redeemScripts = senders.map(id => _redeemScript(id));
+            if (redeemScripts.includes(null)) //TODO: segwit
+                return reject("Unable to get redeem-script");
+            //create transaction
+            createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
+                result.tx_hex = result.transaction.serialize();
+                delete result.transaction;
+                resolve(result);
+            }).catch(error => reject(error))
+        })
+    }
+
+    btcOperator.createMultiSigTx = function (sender, redeemScript, receivers, amounts, fee = null, options = {}) {
+        return new Promise((resolve, reject) => {
+            //validate tx parameters
+            let addr_type = validateAddress(sender);
+            if (!(["multisig", "multisigBech32"].includes(addr_type)))
+                return reject("Invalid sender (multisig):" + sender);
+            else {
+                let script = coinjs.script();
+                let decode = (addr_type == "multisig") ?
+                    script.decodeRedeemScript(redeemScript) :
+                    script.decodeRedeemScriptBech32(redeemScript);
+                if (!decode || decode.address !== sender)
+                    return reject("Invalid redeem-script");
+            }
+            try {
+                ({
+                    receivers,
+                    amounts
+                } = validateTxParameters({
+                    receivers,
+                    amounts,
+                    fee,
+                    change_address: options.change_address
+                }));
+            } catch (e) {
+                return reject(e)
+            }
+            //create transaction
+            createTransaction([sender], [redeemScript], receivers, amounts, fee, options.change_address || sender, options.fee_from_receiver).then(result => {
+                result.tx_hex = result.transaction.serialize();
+                delete result.transaction;
+                resolve(result);
+            }).catch(error => reject(error))
+
+        })
+    }
+
+    function deserializeTx(tx) {
+        if (typeof tx === 'string' || Array.isArray(tx)) {
+            try {
+                tx = coinjs.transaction().deserialize(tx);
+            } catch {
+                throw "Invalid transaction hex";
+            }
+        } else if (typeof tx !== 'object' || typeof tx.sign !== 'function')
+            throw "Invalid transaction object";
+        return tx;
+    }
+
+    btcOperator.signTx = function (tx, privkeys, sighashtype = 1) {
+        tx = deserializeTx(tx);
+        if (!Array.isArray(privkeys))
+            privkeys = [privkeys];
+        for (let i in privkeys)
+            if (privkeys[i].length === 64)
+                privkeys[i] = coinjs.privkey2wif(privkeys[i]);
+        new Set(privkeys).forEach(key => tx.sign(key, sighashtype)); //Sign the tx using private key WIF
+        return tx.serialize();
+    }
+
+    const checkSigned = btcOperator.checkSigned = function (tx, bool = true) {
+        tx = deserializeTx(tx);
+        let n = [];
+        for (let i in tx.ins) {
+            var s = tx.extractScriptKey(i);
+            if (s['type'] !== 'multisig' && s['type'] !== 'multisig_bech32')
+                n.push(s.signed == 'true' || (tx.witness[i] && tx.witness[i].length == 2))
+            else {
+                var rs = coinjs.script().decodeRedeemScript(s.script);  //will work for bech32 too, as only address is diff
+                let x = {
+                    s: s['signatures'],
+                    r: rs['signaturesRequired'],
+                    t: rs['pubkeys'].length
+                };
+                if (x.r > x.t)
+                    throw "signaturesRequired is more than publicKeys";
+                else if (x.s < x.r)
+                    n.push(x);
+                else
+                    n.push(true);
+            }
+        }
+        return bool ? !(n.filter(x => x !== true).length) : n;
+    }
+
+    btcOperator.checkIfSameTx = function (tx1, tx2) {
+        tx1 = deserializeTx(tx1);
+        tx2 = deserializeTx(tx2);
+        if (tx1.ins.length !== tx2.ins.length || tx1.outs.length !== tx2.outs.length)
+            return false;
+        for (let i = 0; i < tx1.ins.length; i++)
+            if (tx1.ins[i].outpoint.hash !== tx2.ins[i].outpoint.hash || tx1.ins[i].outpoint.index !== tx2.ins[i].outpoint.index)
+                return false;
+        for (let i = 0; i < tx2.ins.length; i++)
+            if (tx1.outs[i].value !== tx2.outs[i].value || Crypto.util.bytesToHex(tx1.outs[i].script.buffer) !== Crypto.util.bytesToHex(tx2.outs[i].script.buffer))
+                return false;
+        return true;
+    }
+
+    const getTxOutput = (txid, i) => new Promise((resolve, reject) => {
+        fetch_api(`get_tx_outputs/BTC/${txid}/${i}`)
+            .then(result => resolve(result.data.outputs))
+            .catch(error => reject(error))
+    });
+
+    btcOperator.parseTransaction = function (tx) {
+        return new Promise((resolve, reject) => {
+            tx = deserializeTx(tx);
+            let result = {};
+            let promises = [];
+            //Parse Inputs
+            for (let i = 0; i < tx.ins.length; i++)
+                promises.push(getTxOutput(tx.ins[i].outpoint.hash, tx.ins[i].outpoint.index));
+            Promise.all(promises).then(inputs => {
+                result.inputs = inputs.map(inp => Object({
+                    address: inp.address,
+                    value: parseFloat(inp.value)
+                }));
+                let signed = checkSigned(tx, false);
+                result.inputs.forEach((inp, i) => inp.signed = signed[i]);
+                //Parse Outputs
+                result.outputs = tx.outs.map(out => {
+                    var address;
+                    switch (out.script.chunks[0]) {
+                        case 0: //bech32, multisig-bech32
+                            address = encodeBech32(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.bech32.version, coinjs.bech32.hrp);
+                            break;
+                        case 169: //segwit, multisig-segwit
+                            address = encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.multisig);
+                            break;
+                        case 118: //legacy
+                            address = encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[2]), coinjs.pub);
+                    }
+                    return {
+                        address,
+                        value: parseFloat(out.value / SATOSHI_IN_BTC)
+                    }
+                });
+                //Parse Totals
+                result.total_input = parseFloat(result.inputs.reduce((a, inp) => a += inp.value, 0).toFixed(8));
+                result.total_output = parseFloat(result.outputs.reduce((a, out) => a += out.value, 0).toFixed(8));
+                result.fee = parseFloat((result.total_input - result.total_output).toFixed(8));
+                resolve(result);
+            }).catch(error => reject(error))
+        })
+    }
+
+    btcOperator.transactionID = function (tx) {
+        tx = deserializeTx(tx);
+        let clone = coinjs.clone(tx);
+        clone.witness = null;
+        let raw_bytes = Crypto.util.hexToBytes(clone.serialize());
+        let txid = Crypto.SHA256(Crypto.SHA256(raw_bytes, { asBytes: true }), { asBytes: true }).reverse();
+        return Crypto.util.bytesToHex(txid);
+    }
+
+    btcOperator.getTx = txid => new Promise((resolve, reject) => {
+        fetch_api(`get_tx/BTC/${txid}`)
+            .then(result => resolve(result.data))
+            .catch(error => reject(error))
+    });
+
+    btcOperator.getAddressData = addr => new Promise((resolve, reject) => {
+        fetch_api(`address/BTC/${addr}`)
+            .then(result => resolve(result.data))
+            .catch(error => reject(error))
+    });
+
+    btcOperator.getBlock = block => new Promise((resolve, reject) => {
+        fetch_api(`get_block/BTC/${block}`)
+            .then(result => resolve(result.data))
+            .catch(error => reject(error))
+    });
+
+})('object' === typeof module ? module.exports : window.btcOperator = {});
\ No newline at end of file
diff --git a/scripts/floBlockchainAPI.js b/scripts/floBlockchainAPI.js
index fcc73b9..ab778fe 100644
--- a/scripts/floBlockchainAPI.js
+++ b/scripts/floBlockchainAPI.js
@@ -1,4 +1,4 @@
-(function(EXPORTS) { //floBlockchainAPI v2.3.3
+(function (EXPORTS) { //floBlockchainAPI v2.3.3e
     /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
     'use strict';
     const floBlockchainAPI = EXPORTS;
@@ -6,11 +6,12 @@
     const DEFAULT = {
         blockchain: floGlobals.blockchain,
         apiURL: {
-            FLO: ['https://livenet.flocha.in/', 'https://flosight.duckdns.org/'],
+            FLO: ['https://flosight.duckdns.org/', 'https://flosight.ranchimall.net/'],
             FLO_TEST: ['https://testnet-flosight.duckdns.org', 'https://testnet.flocha.in/']
         },
         sendAmt: 0.001,
         fee: 0.0005,
+        minChangeAmt: 0.0005,
         receiverID: floGlobals.adminID
     };
 
@@ -49,7 +50,7 @@
     const allServerList = new Set(floGlobals.apiURL && floGlobals.apiURL[DEFAULT.blockchain] ? floGlobals.apiURL[DEFAULT.blockchain] : DEFAULT.apiURL[DEFAULT.blockchain]);
 
     var serverList = Array.from(allServerList);
-    var curPos = floCrypto.randInt(0, serverList - 1);
+    var curPos = floCrypto.randInt(0, serverList.length - 1);
 
     function fetch_retry(apicall, rm_flosight) {
         return new Promise((resolve, reject) => {
@@ -102,7 +103,7 @@
     });
 
     //Promised function to get data from API
-    const promisedAPI = floBlockchainAPI.promisedAPI = floBlockchainAPI.fetch = function(apicall) {
+    const promisedAPI = floBlockchainAPI.promisedAPI = floBlockchainAPI.fetch = function (apicall) {
         return new Promise((resolve, reject) => {
             //console.log(apicall);
             fetch_api(apicall)
@@ -112,7 +113,7 @@
     }
 
     //Get balance for the given Address
-    const getBalance = floBlockchainAPI.getBalance = function(addr) {
+    const getBalance = floBlockchainAPI.getBalance = function (addr) {
         return new Promise((resolve, reject) => {
             promisedAPI(`api/addr/${addr}/balance`)
                 .then(balance => resolve(parseFloat(balance)))
@@ -121,13 +122,13 @@
     }
 
     //Send Tx to blockchain 
-    const sendTx = floBlockchainAPI.sendTx = function(senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
+    const sendTx = floBlockchainAPI.sendTx = function (senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
         return new Promise((resolve, reject) => {
             if (!floCrypto.validateASCII(floData))
                 return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
-            else if (!floCrypto.validateAddr(senderAddr))
+            else if (!floCrypto.validateFloID(senderAddr))
                 return reject(`Invalid address : ${senderAddr}`);
-            else if (!floCrypto.validateAddr(receiverAddr))
+            else if (!floCrypto.validateFloID(receiverAddr))
                 return reject(`Invalid address : ${receiverAddr}`);
             else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
                 return reject("Invalid Private key!");
@@ -171,7 +172,7 @@
                             else {
                                 trx.addoutput(receiverAddr, sendAmt);
                                 var change = utxoAmt - sendAmt - fee;
-                                if (change > 0)
+                                if (change > DEFAULT.minChangeAmt)
                                     trx.addoutput(senderAddr, change);
                                 trx.addflodata(floData.replace(/\n/g, ' '));
                                 var signedTxHash = trx.sign(privKey, 1);
@@ -187,7 +188,7 @@
     }
 
     //Write Data into blockchain
-    floBlockchainAPI.writeData = function(senderAddr, data, privKey, receiverAddr = DEFAULT.receiverID, options = {}) {
+    floBlockchainAPI.writeData = function (senderAddr, data, privKey, receiverAddr = DEFAULT.receiverID, options = {}) {
         let strict_utxo = options.strict_utxo === false ? false : true,
             sendAmt = isNaN(options.sendAmt) ? DEFAULT.sendAmt : options.sendAmt;
         return new Promise((resolve, reject) => {
@@ -200,9 +201,9 @@
     }
 
     //merge all UTXOs of a given floID into a single UTXO
-    floBlockchainAPI.mergeUTXOs = function(floID, privKey, floData = '') {
+    floBlockchainAPI.mergeUTXOs = function (floID, privKey, floData = '') {
         return new Promise((resolve, reject) => {
-            if (!floCrypto.validateAddr(floID))
+            if (!floCrypto.validateFloID(floID))
                 return reject(`Invalid floID`);
             if (!floCrypto.verifyPrivKey(privKey, floID))
                 return reject("Invalid Private Key");
@@ -234,7 +235,7 @@
      * @param  {boolean} preserveRatio (optional) preserve ratio or equal contribution
      * @return {Promise}
      */
-    floBlockchainAPI.writeDataMultiple = function(senderPrivKeys, data, receivers = [DEFAULT.receiverID], preserveRatio = true) {
+    floBlockchainAPI.writeDataMultiple = function (senderPrivKeys, data, receivers = [DEFAULT.receiverID], preserveRatio = true) {
         return new Promise((resolve, reject) => {
             if (!Array.isArray(senderPrivKeys))
                 return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array");
@@ -266,7 +267,7 @@
      * @param  {string} floData FLO data of the txn
      * @return {Promise}
      */
-    const sendTxMultiple = floBlockchainAPI.sendTxMultiple = function(senderPrivKeys, receivers, floData = '') {
+    const sendTxMultiple = floBlockchainAPI.sendTxMultiple = function (senderPrivKeys, receivers, floData = '') {
         return new Promise((resolve, reject) => {
             if (!floCrypto.validateASCII(floData))
                 return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
@@ -326,7 +327,7 @@
                 }
                 //Validate the receiver IDs and receive amount
                 for (let floID in receivers) {
-                    if (!floCrypto.validateAddr(floID))
+                    if (!floCrypto.validateFloID(floID))
                         invalids.InvalidReceiverIDs.push(floID);
                     if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
                         invalids.InvalidReceiveAmountFor.push(floID);
@@ -371,18 +372,18 @@
                     })
                 //Calculate totalSentAmount and check if totalBalance is sufficient
                 let totalSendAmt = totalFee;
-                for (floID in receivers)
+                for (let floID in receivers)
                     totalSendAmt += receivers[floID];
                 if (totalBalance < totalSendAmt)
                     return reject("Insufficient total Balance");
                 //Get the UTXOs of the senders
                 let promises = [];
-                for (floID in senders)
+                for (let floID in senders)
                     promises.push(promisedAPI(`api/addr/${floID}/utxo`));
                 Promise.all(promises).then(results => {
                     let wifSeq = [];
                     var trx = bitjs.transaction();
-                    for (floID in senders) {
+                    for (let floID in senders) {
                         let utxos = results.shift();
                         let sendAmt;
                         if (preserveRatio) {
@@ -406,7 +407,7 @@
                         if (change > 0)
                             trx.addoutput(floID, change);
                     }
-                    for (floID in receivers)
+                    for (let floID in receivers)
                         trx.addoutput(floID, receivers[floID]);
                     trx.addflodata(floData.replace(/\n/g, ' '));
                     for (let i = 0; i < wifSeq.length; i++)
@@ -421,7 +422,7 @@
     }
 
     //Broadcast signed Tx in blockchain using API
-    const broadcastTx = floBlockchainAPI.broadcastTx = function(signedTxHash) {
+    const broadcastTx = floBlockchainAPI.broadcastTx = function (signedTxHash) {
         return new Promise((resolve, reject) => {
             if (signedTxHash.length < 1)
                 return reject("Empty Signature");
@@ -441,7 +442,7 @@
         })
     }
 
-    floBlockchainAPI.getTx = function(txid) {
+    floBlockchainAPI.getTx = function (txid) {
         return new Promise((resolve, reject) => {
             promisedAPI(`api/tx/${txid}`)
                 .then(response => resolve(response))
@@ -450,7 +451,7 @@
     }
 
     //Read Txs of Address between from and to
-    const readTxs = floBlockchainAPI.readTxs = function(addr, from, to) {
+    const readTxs = floBlockchainAPI.readTxs = function (addr, from, to) {
         return new Promise((resolve, reject) => {
             promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
                 .then(response => resolve(response))
@@ -459,7 +460,7 @@
     }
 
     //Read All Txs of Address (newest first)
-    floBlockchainAPI.readAllTxs = function(addr) {
+    floBlockchainAPI.readAllTxs = function (addr) {
         return new Promise((resolve, reject) => {
             promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
                 promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
@@ -481,15 +482,15 @@
     sender      : flo-id(s) of sender
     receiver    : flo-id(s) of receiver
     */
-    floBlockchainAPI.readData = function(addr, options = {}) {
+    floBlockchainAPI.readData = function (addr, options = {}) {
         options.limit = options.limit || 0;
         options.ignoreOld = options.ignoreOld || 0;
-        if (typeof options.sender === "string") options.sender = [options.sender];
-        if (typeof options.receiver === "string") options.receiver = [options.receiver];
+        if (typeof options.senders === "string") options.senders = [options.senders];
+        if (typeof options.receivers === "string") options.receivers = [options.receivers];
         return new Promise((resolve, reject) => {
             promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
                 var newItems = response.totalItems - options.ignoreOld;
-                promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems*2}`).then(response => {
+                promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems * 2}`).then(response => {
                     if (options.limit <= 0)
                         options.limit = response.items.length;
                     var filteredData = [];
@@ -520,10 +521,10 @@
                                 }
                             if (!flag) continue;
                         }
-                        if (Array.isArray(options.sender)) {
+                        if (Array.isArray(options.senders)) {
                             let flag = false;
                             for (let vin of response.items[i].vin)
-                                if (options.sender.includes(vin.addr)) {
+                                if (options.senders.includes(vin.addr)) {
                                     flag = true;
                                     break;
                                 }
@@ -538,10 +539,10 @@
                                 }
                             if (!flag) continue;
                         }
-                        if (Array.isArray(options.receiver)) {
+                        if (Array.isArray(options.receivers)) {
                             let flag = false;
                             for (let vout of response.items[i].vout)
-                                if (options.receiver.includes(vout.scriptPubKey.addresses[0])) {
+                                if (options.receivers.includes(vout.scriptPubKey.addresses[0])) {
                                     flag = true;
                                     break;
                                 }
@@ -555,6 +556,8 @@
                             d.txid = response.items[i].txid;
                             d.time = response.items[i].time;
                             d.blockheight = response.items[i].blockheight;
+                            d.senders = new Set(response.items[i].vin.map(v => v.addr));
+                            d.receivers = new Set(response.items[i].vout.map(v => v.scriptPubKey.addresses[0]));
                             d.data = response.items[i].floData;
                             filteredData.push(d);
                         } else
diff --git a/scripts/floCloudAPI.js b/scripts/floCloudAPI.js
index ca31378..921fa69 100644
--- a/scripts/floCloudAPI.js
+++ b/scripts/floCloudAPI.js
@@ -1,14 +1,59 @@
-(function(EXPORTS) { //floCloudAPI v2.3.0
+(function (EXPORTS) { //floCloudAPI v2.4.3
     /* FLO Cloud operations to send/request application data*/
     'use strict';
     const floCloudAPI = EXPORTS;
 
     const DEFAULT = {
+        blockchainPrefix: 0x23, //Prefix version for FLO blockchain
         SNStorageID: floGlobals.SNStorageID || "FNaN9McoBAEFUjkRmNQRYLmBF8SpS7Tgfk",
         adminID: floGlobals.adminID,
-        application: floGlobals.application
+        application: floGlobals.application,
+        callback: (d, e) => console.debug(d, e)
     };
 
+    var user_id, user_public, user_private, aes_key;
+
+    function user(id, priv) {
+        if (!priv || !id)
+            return user.clear();
+        let pub = floCrypto.getPubKeyHex(priv);
+        if (!pub || !floCrypto.verifyPubKey(pub, id))
+            return user.clear();
+        let n = floCrypto.randInt(12, 20);
+        aes_key = floCrypto.randString(n);
+        user_private = Crypto.AES.encrypt(priv, aes_key);
+        user_public = pub;
+        user_id = id;
+        return user_id;
+    }
+
+    Object.defineProperties(user, {
+        id: {
+            get: () => {
+                if (!user_id)
+                    throw "User not set";
+                return user_id;
+            }
+        },
+        public: {
+            get: () => {
+                if (!user_public)
+                    throw "User not set";
+                return user_public;
+            }
+        },
+        sign: {
+            value: msg => {
+                if (!user_private)
+                    throw "User not set";
+                return floCrypto.signData(msg, Crypto.AES.decrypt(user_private, aes_key));
+            }
+        },
+        clear: {
+            value: () => user_id = user_public = user_private = aes_key = undefined
+        }
+    })
+
     Object.defineProperties(floCloudAPI, {
         SNStorageID: {
             get: () => DEFAULT.SNStorageID
@@ -18,6 +63,9 @@
         },
         application: {
             get: () => DEFAULT.application
+        },
+        user: {
+            get: () => user
         }
     });
 
@@ -31,6 +79,9 @@
             get: () => generalData,
             set: data => generalData = data
         },
+        generalDataset: {
+            value: (type, options = {}) => generalData[filterKey(type, options)]
+        },
         lastVC: {
             get: () => lastVC,
             set: vc => lastVC = vc
@@ -43,7 +94,7 @@
     });
 
     var kBucket;
-    const K_Bucket = floCloudAPI.K_Bucket = function(masterID, nodeList) {
+    const K_Bucket = floCloudAPI.K_Bucket = function (masterID, nodeList) {
 
         const decodeID = floID => {
             let k = bitjs.Base58.decode(floID);
@@ -77,7 +128,7 @@
         });
 
         self.isNode = floID => _CO.includes(floID);
-        self.innerNodes = function(id1, id2) {
+        self.innerNodes = function (id1, id2) {
             if (!_CO.includes(id1) || !_CO.includes(id2))
                 throw Error('Given nodes are not supernode');
             let iNodes = []
@@ -88,7 +139,7 @@
             }
             return iNodes
         }
-        self.outterNodes = function(id1, id2) {
+        self.outterNodes = function (id1, id2) {
             if (!_CO.includes(id1) || !_CO.includes(id2))
                 throw Error('Given nodes are not supernode');
             let oNodes = []
@@ -99,7 +150,7 @@
             }
             return oNodes
         }
-        self.prevNode = function(id, N = 1) {
+        self.prevNode = function (id, N = 1) {
             let n = N || _CO.length;
             if (!_CO.includes(id))
                 throw Error('Given node is not supernode');
@@ -113,7 +164,7 @@
             }
             return (N == 1 ? pNodes[0] : pNodes)
         }
-        self.nextNode = function(id, N = 1) {
+        self.nextNode = function (id, N = 1) {
             let n = N || _CO.length;
             if (!_CO.includes(id))
                 throw Error('Given node is not supernode');
@@ -128,7 +179,7 @@
             }
             return (N == 1 ? nNodes[0] : nNodes)
         }
-        self.closestNode = function(id, N = 1) {
+        self.closestNode = function (id, N = 1) {
             let decodedId = decodeID(id);
             let n = N || _CO.length;
             let cNodes = _KB.closest(decodedId, n)
@@ -175,7 +226,7 @@
             if (_inactive.size === kBucket.list.length)
                 return reject('Cloud offline');
             if (!(snID in supernodes))
-                snID = kBucket.closestNode(snID);
+                snID = kBucket.closestNode(proxyID(snID));
             ws_connect(snID)
                 .then(node => resolve(node))
                 .catch(error => {
@@ -213,7 +264,7 @@
             if (_inactive.size === kBucket.list.length)
                 return reject('Cloud offline');
             if (!(snID in supernodes))
-                snID = kBucket.closestNode(snID);
+                snID = kBucket.closestNode(proxyID(snID));
             fetch_API(snID, data)
                 .then(result => resolve(result))
                 .catch(error => {
@@ -242,8 +293,8 @@
             fetch_ActiveAPI(floID, data).then(response => {
                 if (response.ok)
                     response.json()
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
+                        .then(result => resolve(result))
+                        .catch(error => reject(error))
                 else response.text()
                     .then(result => reject(response.status + ": " + result)) //Error Message from Node
                     .catch(error => reject(error))
@@ -269,6 +320,7 @@
             data => {
                 data = objectifier(data);
                 let filtered = {},
+                    proxy = proxyID(request.receiverID),
                     r = request;
                 for (let v in data) {
                     let d = data[v];
@@ -277,7 +329,7 @@
                         (r.atVectorClock || !r.upperVectorClock || r.upperVectorClock >= v) &&
                         (!r.afterTime || r.afterTime < d.log_time) &&
                         r.application == d.application &&
-                        r.receiverID == d.receiverID &&
+                        (proxy == d.receiverID || proxy == d.proxyID) &&
                         (!r.comment || r.comment == d.comment) &&
                         (!r.type || r.type == d.type) &&
                         (!r.senderID || r.senderID.includes(d.senderID)))
@@ -318,20 +370,64 @@
 
     const util = floCloudAPI.util = {};
 
-    const encodeMessage = util.encodeMessage = function(message) {
+    const encodeMessage = util.encodeMessage = function (message) {
         return btoa(unescape(encodeURIComponent(JSON.stringify(message))))
     }
 
-    const decodeMessage = util.decodeMessage = function(message) {
+    const decodeMessage = util.decodeMessage = function (message) {
         return JSON.parse(decodeURIComponent(escape(atob(message))))
     }
 
-    const filterKey = util.filterKey = function(type, options) {
+    const filterKey = util.filterKey = function (type, options = {}) {
         return type + (options.comment ? ':' + options.comment : '') +
             '|' + (options.group || options.receiverID || DEFAULT.adminID) +
             '|' + (options.application || DEFAULT.application);
     }
 
+    const proxyID = util.proxyID = function (address) {
+        if (!address)
+            return;
+        var bytes;
+        if (address.length == 33 || address.length == 34) { //legacy encoding
+            let decode = bitjs.Base58.decode(address);
+            bytes = decode.slice(0, decode.length - 4);
+            let checksum = decode.slice(decode.length - 4),
+                hash = Crypto.SHA256(Crypto.SHA256(bytes, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+            hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3] ?
+                bytes = undefined : bytes.shift();
+        } else if (address.length == 42 || address.length == 62) { //bech encoding
+            if (typeof coinjs !== 'function')
+                throw "library missing (lib_btc.js)";
+            let decode = coinjs.bech32_decode(address);
+            if (decode) {
+                bytes = decode.data;
+                bytes.shift();
+                bytes = coinjs.bech32_convert(bytes, 5, 8, false);
+                if (address.length == 62) //for long bech, aggregate once more to get 160 bit 
+                    bytes = coinjs.bech32_convert(bytes, 5, 8, false);
+            }
+        } else if (address.length == 66) { //public key hex
+            bytes = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(address), {
+                asBytes: true
+            }));
+        }
+        if (!bytes)
+            throw "Invalid address: " + address;
+        else {
+            bytes.unshift(DEFAULT.blockchainPrefix);
+            let hash = Crypto.SHA256(Crypto.SHA256(bytes, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            return bitjs.Base58.encode(bytes.concat(hash.slice(0, 4)));
+        }
+    }
+
     const lastCommit = {};
     Object.defineProperty(lastCommit, 'get', {
         value: objName => JSON.parse(lastCommit[objName])
@@ -392,19 +488,19 @@
         }));
     }
 
-    //set status as online for myFloID
-    floCloudAPI.setStatus = function(options = {}) {
+    //set status as online for user_id
+    floCloudAPI.setStatus = function (options = {}) {
         return new Promise((resolve, reject) => {
-            let callback = options.callback instanceof Function ? options.callback : (d, e) => console.debug(d, e);
+            let callback = options.callback instanceof Function ? options.callback : DEFAULT.callback;
             var request = {
-                floID: myFloID,
+                floID: user.id,
                 application: options.application || DEFAULT.application,
                 time: Date.now(),
                 status: true,
-                pubKey: myPubKey
+                pubKey: user.public
             }
             let hashcontent = ["time", "application", "floID"].map(d => request[d]).join("|");
-            request.sign = floCrypto.signData(hashcontent, myPrivKey);
+            request.sign = user.sign(hashcontent);
             liveRequest(options.refID || DEFAULT.adminID, request, callback)
                 .then(result => resolve(result))
                 .catch(error => reject(error))
@@ -412,11 +508,11 @@
     }
 
     //request status of floID(s) in trackList
-    floCloudAPI.requestStatus = function(trackList, options = {}) {
+    floCloudAPI.requestStatus = function (trackList, options = {}) {
         return new Promise((resolve, reject) => {
             if (!Array.isArray(trackList))
                 trackList = [trackList];
-            let callback = options.callback instanceof Function ? options.callback : (d, e) => console.debug(d, e);
+            let callback = options.callback instanceof Function ? options.callback : DEFAULT.callback;
             let request = {
                 status: false,
                 application: options.application || DEFAULT.application,
@@ -429,12 +525,12 @@
     }
 
     //send any message to supernode cloud storage
-    const sendApplicationData = floCloudAPI.sendApplicationData = function(message, type, options = {}) {
+    const sendApplicationData = floCloudAPI.sendApplicationData = function (message, type, options = {}) {
         return new Promise((resolve, reject) => {
             var data = {
-                senderID: myFloID,
+                senderID: user.id,
                 receiverID: options.receiverID || DEFAULT.adminID,
-                pubKey: myPubKey,
+                pubKey: user.public,
                 message: encodeMessage(message),
                 time: Date.now(),
                 application: options.application || DEFAULT.application,
@@ -443,7 +539,7 @@
             }
             let hashcontent = ["receiverID", "time", "application", "type", "message", "comment"]
                 .map(d => data[d]).join("|")
-            data.sign = floCrypto.signData(hashcontent, myPrivKey);
+            data.sign = user.sign(hashcontent);
             singleRequest(data.receiverID, data)
                 .then(result => resolve(result))
                 .catch(error => reject(error))
@@ -451,7 +547,7 @@
     }
 
     //request any data from supernode cloud
-    const requestApplicationData = floCloudAPI.requestApplicationData = function(type, options = {}) {
+    const requestApplicationData = floCloudAPI.requestApplicationData = function (type, options = {}) {
         return new Promise((resolve, reject) => {
             var request = {
                 receiverID: options.receiverID || DEFAULT.adminID,
@@ -482,19 +578,20 @@
         })
     }
 
-    //(NEEDS UPDATE) delete data from supernode cloud (received only)
+    /*(NEEDS UPDATE)
+    //delete data from supernode cloud (received only)
     floCloudAPI.deleteApplicationData = function(vectorClocks, options = {}) {
         return new Promise((resolve, reject) => {
             var delreq = {
-                requestorID: myFloID,
-                pubKey: myPubKey,
+                requestorID: user.id,
+                pubKey: user.public,
                 time: Date.now(),
                 delete: (Array.isArray(vectorClocks) ? vectorClocks : [vectorClocks]),
                 application: options.application || DEFAULT.application
             }
             let hashcontent = ["time", "application", "delete"]
                 .map(d => delreq[d]).join("|")
-            delreq.sign = floCrypto.signData(hashcontent, myPrivKey)
+            delreq.sign = user.sign(hashcontent)
             singleRequest(delreq.requestorID, delreq).then(result => {
                 let success = [],
                     failed = [];
@@ -507,8 +604,9 @@
             }).catch(error => reject(error))
         })
     }
-
-    //(NEEDS UPDATE) edit comment of data in supernode cloud (mutable comments only)
+    */
+    /*(NEEDS UPDATE)
+    //edit comment of data in supernode cloud (mutable comments only)
     floCloudAPI.editApplicationData = function(vectorClock, newComment, oldData, options = {}) {
         return new Promise((resolve, reject) => {
             let p0
@@ -523,12 +621,12 @@
                     }
                 })
             p0.then(d => {
-                if (d.senderID != myFloID)
+                if (d.senderID != user.id)
                     return reject("Invalid requestorID")
                 else if (!d.comment.startsWith("EDIT:"))
                     return reject("Data immutable")
                 let data = {
-                    requestorID: myFloID,
+                    requestorID: user.id,
                     receiverID: d.receiverID,
                     time: Date.now(),
                     application: d.application,
@@ -542,29 +640,30 @@
                         "comment"
                     ]
                     .map(x => d[x]).join("|")
-                data.edit.sign = floCrypto.signData(hashcontent, myPrivKey)
+                data.edit.sign = user.sign(hashcontent)
                 singleRequest(data.receiverID, data)
                     .then(result => resolve("Data comment updated"))
                     .catch(error => reject(error))
             })
         })
     }
+    */
 
     //tag data in supernode cloud (subAdmin access only)
-    floCloudAPI.tagApplicationData = function(vectorClock, tag, options = {}) {
+    floCloudAPI.tagApplicationData = function (vectorClock, tag, options = {}) {
         return new Promise((resolve, reject) => {
-            if (!floGlobals.subAdmins.includes(myFloID))
+            if (!floGlobals.subAdmins.includes(user.id))
                 return reject("Only subAdmins can tag data")
             var request = {
                 receiverID: options.receiverID || DEFAULT.adminID,
-                requestorID: myFloID,
-                pubKey: myPubKey,
+                requestorID: user.id,
+                pubKey: user.public,
                 time: Date.now(),
                 vectorClock: vectorClock,
                 tag: tag,
             }
             let hashcontent = ["time", "vectorClock", 'tag'].map(d => request[d]).join("|");
-            request.sign = floCrypto.signData(hashcontent, myPrivKey);
+            request.sign = user.sign(hashcontent);
             singleRequest(request.receiverID, request)
                 .then(result => resolve(result))
                 .catch(error => reject(error))
@@ -572,18 +671,18 @@
     }
 
     //note data in supernode cloud (receiver only or subAdmin allowed if receiver is adminID)
-    floCloudAPI.noteApplicationData = function(vectorClock, note, options = {}) {
+    floCloudAPI.noteApplicationData = function (vectorClock, note, options = {}) {
         return new Promise((resolve, reject) => {
             var request = {
                 receiverID: options.receiverID || DEFAULT.adminID,
-                requestorID: myFloID,
-                pubKey: myPubKey,
+                requestorID: user.id,
+                pubKey: user.public,
                 time: Date.now(),
                 vectorClock: vectorClock,
                 note: note,
             }
             let hashcontent = ["time", "vectorClock", 'note'].map(d => request[d]).join("|");
-            request.sign = floCrypto.signData(hashcontent, myPrivKey);
+            request.sign = user.sign(hashcontent);
             singleRequest(request.receiverID, request)
                 .then(result => resolve(result))
                 .catch(error => reject(error))
@@ -591,7 +690,7 @@
     }
 
     //send general data
-    floCloudAPI.sendGeneralData = function(message, type, options = {}) {
+    floCloudAPI.sendGeneralData = function (message, type, options = {}) {
         return new Promise((resolve, reject) => {
             if (options.encrypt) {
                 let encryptionKey = options.encrypt === true ?
@@ -605,7 +704,7 @@
     }
 
     //request general data
-    floCloudAPI.requestGeneralData = function(type, options = {}) {
+    floCloudAPI.requestGeneralData = function (type, options = {}) {
         return new Promise((resolve, reject) => {
             var fk = filterKey(type, options)
             lastVC[fk] = parseInt(lastVC[fk]) || 0;
@@ -629,7 +728,7 @@
     }
 
     //request an object data from supernode cloud
-    floCloudAPI.requestObjectData = function(objectName, options = {}) {
+    floCloudAPI.requestObjectData = function (objectName, options = {}) {
         return new Promise((resolve, reject) => {
             options.lowerVectorClock = options.lowerVectorClock || lastVC[objectName] + 1;
             options.senderID = [false, null].includes(options.senderID) ? null :
@@ -666,7 +765,7 @@
         })
     }
 
-    floCloudAPI.closeRequest = function(requestID) {
+    floCloudAPI.closeRequest = function (requestID) {
         return new Promise((resolve, reject) => {
             let conn = _liveRequest[requestID]
             if (!conn)
@@ -680,7 +779,7 @@
     }
 
     //reset or initialize an object and send it to cloud
-    floCloudAPI.resetObjectData = function(objectName, options = {}) {
+    floCloudAPI.resetObjectData = function (objectName, options = {}) {
         return new Promise((resolve, reject) => {
             let message = {
                 reset: appObjects[objectName]
@@ -694,7 +793,7 @@
     }
 
     //update the diff and send it to cloud
-    floCloudAPI.updateObjectData = function(objectName, options = {}) {
+    floCloudAPI.updateObjectData = function (objectName, options = {}) {
         return new Promise((resolve, reject) => {
             let message = {
                 diff: diff.find(lastCommit.get(objectName), appObjects[
@@ -713,7 +812,7 @@
     findDiff(original, updatedObj) returns an object with the added, deleted and updated differences  
     mergeDiff(original, allDiff) returns a new object from original object merged with all differences (allDiff is returned object of findDiff)
     */
-    var diff = (function() {
+    var diff = (function () {
         const isDate = d => d instanceof Date;
         const isEmpty = o => Object.keys(o).length === 0;
         const isObject = o => o != null && typeof o === 'object';
@@ -887,23 +986,23 @@
             }, {});
         };
 
-        const mergeRecursive = (obj1, obj2) => {
+        const mergeRecursive = (obj1, obj2, deleteMode = false) => {
             for (var p in obj2) {
                 try {
                     if (obj2[p].constructor == Object)
-                        obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                        obj1[p] = mergeRecursive(obj1[p], obj2[p], deleteMode);
                     // Property in destination object set; update its value.
-                    else if (Ext.isArray(obj2[p])) {
+                    else if (Array.isArray(obj2[p])) {
                         // obj1[p] = [];
                         if (obj2[p].length < 1)
                             obj1[p] = obj2[p];
                         else
-                            obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                            obj1[p] = mergeRecursive(obj1[p], obj2[p], deleteMode);
                     } else
-                        obj1[p] = obj2[p];
+                        obj1[p] = deleteMode && obj2[p] === null ? undefined : obj2[p];
                 } catch (e) {
                     // Property in destination object not set; create it and set its value.
-                    obj1[p] = obj2[p];
+                    obj1[p] = deleteMode && obj2[p] === null ? undefined : obj2[p];
                 }
             }
             return obj1;
@@ -912,20 +1011,13 @@
         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)
-                    delete obj[key]; // null, remove it
+                if (typeof value === "object" && value !== null)
+                    obj[key] = cleanse(value);
+                else if (typeof value === 'undefined')
+                    delete obj[key]; // undefined, remove it
             });
-            if (obj.constructor.toString().indexOf("Array") != -1) {
-                obj = obj.filter(function(el) {
-                    return el != null;
-                });
-            }
+            if (Array.isArray(obj))
+                obj = obj.filter(v => typeof v !== 'undefined');
             return obj;
         }
 
@@ -941,7 +1033,7 @@
             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 = mergeRecursive(obj, diff.deleted, true)
                 obj = cleanse(obj)
             }
             if (Object.keys(diff.added).length !== 0)
diff --git a/scripts/floCrypto.js b/scripts/floCrypto.js
index 4ab4d5c..563d77f 100644
--- a/scripts/floCrypto.js
+++ b/scripts/floCrypto.js
@@ -1,4 +1,4 @@
-(function(EXPORTS) { //floCrypto v2.3.0a
+(function (EXPORTS) { //floCrypto v2.3.3e
     /* FLO Crypto Operators */
     'use strict';
     const floCrypto = EXPORTS;
@@ -7,6 +7,7 @@
     const ecparams = EllipticCurve.getSECCurveByName("secp256k1");
     const ascii_alternatives = `‘ '\n’ '\n“ "\n” "\n– --\n— ---\n≥ >=\n≤ <=\n≠ !=\n× *\n÷ /\n← <-\n→ ->\n↔ <->\n⇒ =>\n⇐ <=\n⇔ <=>`;
     const exponent1 = () => p.add(BigInteger.ONE).divide(BigInteger("4"));
+    coinjs.compressed = true; //defaulting coinjs compressed to true;
 
     function calculateY(x) {
         let exp = exponent1();
@@ -77,24 +78,24 @@
     }
 
     //generate a random Interger within range
-    floCrypto.randInt = function(min, max) {
+    floCrypto.randInt = function (min, max) {
         min = Math.ceil(min);
         max = Math.floor(max);
-        return Math.floor(Math.random() * (max - min + 1)) + min;
+        return Math.floor(securedMathRandom() * (max - min + 1)) + min;
     }
 
     //generate a random String within length (options : alphaNumeric chars only)
-    floCrypto.randString = function(length, alphaNumeric = true) {
+    floCrypto.randString = function (length, alphaNumeric = true) {
         var result = '';
         var characters = alphaNumeric ? 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789' :
             'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
         for (var i = 0; i < length; i++)
-            result += characters.charAt(Math.floor(Math.random() * characters.length));
+            result += characters.charAt(Math.floor(securedMathRandom() * characters.length));
         return result;
     }
 
     //Encrypt Data using public-key
-    floCrypto.encryptData = function(data, receiverPublicKeyHex) {
+    floCrypto.encryptData = function (data, receiverPublicKeyHex) {
         var senderECKeyData = getSenderPublicKeyString();
         var senderDerivedKey = deriveSharedKeySender(receiverPublicKeyHex, senderECKeyData.privateKey);
         let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
@@ -106,7 +107,7 @@
     }
 
     //Decrypt Data using private-key
-    floCrypto.decryptData = function(data, privateKeyHex) {
+    floCrypto.decryptData = function (data, privateKeyHex) {
         var receiverECKeyData = {};
         if (typeof privateKeyHex !== "string") throw new Error("No private key found.");
         let privateKey = wifToDecimal(privateKeyHex, true);
@@ -119,31 +120,25 @@
     }
 
     //Sign data using private-key
-    floCrypto.signData = function(data, privateKeyHex) {
+    floCrypto.signData = function (data, privateKeyHex) {
         var key = new Bitcoin.ECKey(privateKeyHex);
-        key.setCompressed(true);
-        var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
-        var privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
         var messageHash = Crypto.SHA256(data);
-        var messageHashBigInteger = new BigInteger(messageHash);
-        var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
+        var messageSign = Bitcoin.ECDSA.sign(messageHash, key.priv);
         var sighex = Crypto.util.bytesToHex(messageSign);
         return sighex;
     }
 
     //Verify signatue of the data using public-key
-    floCrypto.verifySign = function(data, signatureHex, publicKeyHex) {
+    floCrypto.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 = ecparams.getCurve().decodePointHex(publicKeyHex);
-        var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s, publicKeyPoint);
+        var verify = Bitcoin.ECDSA.verify(msgHash, sigBytes, publicKeyPoint);
         return verify;
     }
 
     //Generates a new flo ID and returns private-key, public-key and floID
-    const generateNewID = floCrypto.generateNewID = function() {
+    const generateNewID = floCrypto.generateNewID = function () {
         var key = new Bitcoin.ECKey(false);
         key.setCompressed(true);
         return {
@@ -153,12 +148,27 @@
         }
     }
 
-    Object.defineProperty(floCrypto, 'newID', {
-        get: () => generateNewID()
+    Object.defineProperties(floCrypto, {
+        newID: {
+            get: () => generateNewID()
+        },
+        tmpID: {
+            get: () => {
+                let bytes = Crypto.util.randomBytes(20);
+                bytes.unshift(bitjs.pub);
+                var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                var checksum = hash.slice(0, 4);
+                return bitjs.Base58.encode(bytes.concat(checksum));
+            }
+        }
     });
 
     //Returns public-key from private-key
-    floCrypto.getPubKeyHex = function(privateKeyHex) {
+    floCrypto.getPubKeyHex = function (privateKeyHex) {
         if (!privateKeyHex)
             return null;
         var key = new Bitcoin.ECKey(privateKeyHex);
@@ -169,7 +179,7 @@
     }
 
     //Returns flo-ID from public-key or private-key
-    floCrypto.getFloID = function(keyHex) {
+    floCrypto.getFloID = function (keyHex) {
         if (!keyHex)
             return null;
         try {
@@ -182,8 +192,27 @@
         }
     }
 
+    floCrypto.getAddress = function (privateKeyHex, strict = false) {
+        if (!privateKeyHex)
+            return;
+        var key = new Bitcoin.ECKey(privateKeyHex);
+        if (key.priv == null)
+            return null;
+        key.setCompressed(true);
+        let pubKey = key.getPubKeyHex(),
+            version = bitjs.Base58.decode(privateKeyHex)[0];
+        switch (version) {
+            case coinjs.priv: //BTC
+                return coinjs.bech32Address(pubKey).address;
+            case bitjs.priv: //FLO
+                return bitjs.pubkey2address(pubKey);
+            default:
+                return strict ? false : bitjs.pubkey2address(pubKey); //default to FLO address (if strict=false)
+        }
+    }
+
     //Verify the private-key for the given public-key or flo-ID
-    floCrypto.verifyPrivKey = function(privateKeyHex, pubKey_floID, isfloID = true) {
+    floCrypto.verifyPrivKey = function (privateKeyHex, pubKey_floID, isfloID = true) {
         if (!privateKeyHex || !pubKey_floID)
             return false;
         try {
@@ -202,20 +231,120 @@
         }
     }
 
-    //Check if the given Address is valid or not
-    floCrypto.validateFloID = floCrypto.validateAddr = function(inpAddr) {
-        if (!inpAddr)
+    //Check if the given flo-id is valid or not
+    floCrypto.validateFloID = function (floID) {
+        if (!floID)
             return false;
         try {
-            let addr = new Bitcoin.Address(inpAddr);
+            let addr = new Bitcoin.Address(floID);
             return true;
         } catch {
             return false;
         }
     }
 
+    //Check if the given address (any blockchain) is valid or not
+    floCrypto.validateAddr = function (address, std = true, bech = true) {
+        let raw = decodeAddress(address);
+        if (!raw)
+            return false;
+        if (typeof raw.version !== 'undefined') { //legacy or segwit
+            if (std == false)
+                return false;
+            else if (std === true || (!Array.isArray(std) && std === raw.version) || (Array.isArray(std) && std.includes(raw.version)))
+                return true;
+            else
+                return false;
+        } else if (typeof raw.bech_version !== 'undefined') { //bech32
+            if (bech === false)
+                return false;
+            else if (bech === true || (!Array.isArray(bech) && bech === raw.bech_version) || (Array.isArray(bech) && bech.includes(raw.bech_version)))
+                return true;
+            else
+                return false;
+        } else //unknown
+            return false;
+    }
+
+    //Check the public-key for the address (any blockchain)
+    floCrypto.verifyPubKey = function (pubKeyHex, address) {
+        let raw = decodeAddress(address),
+            pub_hash = Crypto.util.bytesToHex(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubKeyHex), {
+                asBytes: true
+            })));
+        return raw ? pub_hash === raw.hex : false;
+    }
+
+    //Convert the given address (any blockchain) to equivalent floID
+    floCrypto.toFloID = function (address, options = null) {
+        if (!address)
+            return;
+        let raw = decodeAddress(address);
+        if (!raw)
+            return;
+        else if (options) {
+            if (typeof raw.version !== 'undefined' && (!options.std || !options.std.includes(raw.version)))
+                return;
+            if (typeof raw.bech_version !== 'undefined' && (!options.bech || !options.bech.includes(raw.bech_version)))
+                return;
+        }
+        raw.bytes.unshift(bitjs.pub);
+        let hash = Crypto.SHA256(Crypto.SHA256(raw.bytes, {
+            asBytes: true
+        }), {
+            asBytes: true
+        });
+        return bitjs.Base58.encode(raw.bytes.concat(hash.slice(0, 4)));
+    }
+
+    //Checks if the given addresses (any blockchain) are same (w.r.t keys)
+    floCrypto.isSameAddr = function (addr1, addr2) {
+        if (!addr1 || !addr2)
+            return;
+        let raw1 = decodeAddress(addr1),
+            raw2 = decodeAddress(addr2);
+        if (!raw1 || !raw2)
+            return false;
+        else
+            return raw1.hex === raw2.hex;
+    }
+
+    const decodeAddress = floCrypto.decodeAddr = function (address) {
+        if (!address)
+            return;
+        else if (address.length == 33 || address.length == 34) { //legacy encoding
+            let decode = bitjs.Base58.decode(address);
+            let bytes = decode.slice(0, decode.length - 4);
+            let checksum = decode.slice(decode.length - 4),
+                hash = Crypto.SHA256(Crypto.SHA256(bytes, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+            return (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3]) ? null : {
+                version: bytes.shift(),
+                hex: Crypto.util.bytesToHex(bytes),
+                bytes
+            }
+        } else if (address.length == 42) { //bech encoding
+            let decode = coinjs.bech32_decode(address);
+            if (decode) {
+                let bytes = decode.data;
+                let bech_version = bytes.shift();
+                bytes = coinjs.bech32_convert(bytes, 5, 8, false);
+                return {
+                    bech_version,
+                    hrp: decode.hrp,
+                    hex: Crypto.util.bytesToHex(bytes),
+                    bytes
+                }
+            } else
+                return null;
+        }
+    }
+
     //Split the str using shamir's Secret and Returns the shares 
-    floCrypto.createShamirsSecretShares = function(str, total_shares, threshold_limit) {
+    floCrypto.createShamirsSecretShares = function (str, total_shares, threshold_limit) {
         try {
             if (str.length > 0) {
                 var strHex = shamirSecretShare.str2hex(str);
@@ -229,7 +358,7 @@
     }
 
     //Returns the retrived secret by combining the shamirs shares
-    const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function(sharesArray) {
+    const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function (sharesArray) {
         try {
             if (sharesArray.length > 0) {
                 var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
@@ -243,7 +372,7 @@
     }
 
     //Verifies the shares and str
-    floCrypto.verifyShamirsSecret = function(sharesArray, str) {
+    floCrypto.verifyShamirsSecret = function (sharesArray, str) {
         if (!str)
             return null;
         else if (retrieveShamirSecret(sharesArray) === str)
@@ -252,7 +381,7 @@
             return false;
     }
 
-    const validateASCII = floCrypto.validateASCII = function(string, bool = true) {
+    const validateASCII = floCrypto.validateASCII = function (string, bool = true) {
         if (typeof string !== "string")
             return null;
         if (bool) {
@@ -270,8 +399,8 @@
                 if (x < 32 || x > 127)
                     if (x in invalids)
                         invalids[string[i]].push(i)
-                else
-                    invalids[string[i]] = [i];
+                    else
+                        invalids[string[i]] = [i];
             }
             if (Object.keys(invalids).length)
                 return invalids;
@@ -280,7 +409,7 @@
         }
     }
 
-    floCrypto.convertToASCII = function(string, mode = 'soft-remove') {
+    floCrypto.convertToASCII = function (string, mode = 'soft-remove') {
         let chars = validateASCII(string, false);
         if (chars === true)
             return string;
@@ -291,9 +420,9 @@
         ascii_alternatives.split('\n').forEach(a => refAlt[a[0]] = a.slice(2));
         mode = mode.toLowerCase();
         if (mode === "hard-unicode")
-            convertor = (c) => `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
+            convertor = (c) => `\\u${('000' + c.charCodeAt().toString(16)).slice(-4)}`;
         else if (mode === "soft-unicode")
-            convertor = (c) => refAlt[c] || `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
+            convertor = (c) => refAlt[c] || `\\u${('000' + c.charCodeAt().toString(16)).slice(-4)}`;
         else if (mode === "hard-remove")
             convertor = c => "";
         else if (mode === "soft-remove")
@@ -305,7 +434,7 @@
         return result;
     }
 
-    floCrypto.revertUnicode = function(string) {
+    floCrypto.revertUnicode = function (string) {
         return string.replace(/\\u[\dA-F]{4}/gi,
             m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
     }
diff --git a/scripts/floDapps.js b/scripts/floDapps.js
index 0e92708..9603c41 100644
--- a/scripts/floDapps.js
+++ b/scripts/floDapps.js
@@ -1,8 +1,168 @@
-(function(EXPORTS) { //floDapps v2.2.1
+(function (EXPORTS) { //floDapps v2.3.3
     /* General functions for FLO Dapps*/
-    //'use strict';
+    'use strict';
     const floDapps = EXPORTS;
 
+    const DEFAULT = {
+        root: "floDapps",
+        application: floGlobals.application,
+        adminID: floGlobals.adminID
+    };
+
+    Object.defineProperties(floDapps, {
+        application: {
+            get: () => DEFAULT.application
+        },
+        adminID: {
+            get: () => DEFAULT.adminID
+        },
+        root: {
+            get: () => DEFAULT.root
+        }
+    });
+
+    var user_priv_raw, aes_key, user_priv_wrap; //private variable inside capsule
+    const raw_user = {
+        get private() {
+            if (!user_priv_raw)
+                throw "User not logged in";
+            return Crypto.AES.decrypt(user_priv_raw, aes_key);
+        }
+    }
+
+    var user_id, user_public, user_private;
+    const user = floDapps.user = {
+        get id() {
+            if (!user_id)
+                throw "User not logged in";
+            return user_id;
+        },
+        get public() {
+            if (!user_public)
+                throw "User not logged in";
+            return user_public;
+        },
+        get private() {
+            if (!user_private)
+                throw "User not logged in";
+            else if (user_private instanceof Function)
+                return user_private();
+            else
+                return Crypto.AES.decrypt(user_private, aes_key);
+        },
+        sign(message) {
+            return floCrypto.signData(message, raw_user.private);
+        },
+        decrypt(data) {
+            return floCrypto.decryptData(data, raw_user.private);
+        },
+        encipher(message) {
+            return Crypto.AES.encrypt(message, raw_user.private);
+        },
+        decipher(data) {
+            return Crypto.AES.decrypt(data, raw_user.private);
+        },
+        get db_name() {
+            return "floDapps#" + floCrypto.toFloID(user.id);
+        },
+        lock() {
+            user_private = user_priv_wrap;
+        },
+        async unlock() {
+            if (await user.private === raw_user.private)
+                user_private = user_priv_raw;
+        },
+        get_contact(id) {
+            if (!user.contacts)
+                throw "Contacts not available";
+            else if (user.contacts[id])
+                return user.contacts[id];
+            else {
+                let id_raw = floCrypto.decodeAddr(id).hex;
+                for (let i in user.contacts)
+                    if (floCrypto.decodeAddr(i).hex == id_raw)
+                        return user.contacts[i];
+            }
+        },
+        get_pubKey(id) {
+            if (!user.pubKeys)
+                throw "Contacts not available";
+            else if (user.pubKeys[id])
+                return user.pubKeys[id];
+            else {
+                let id_raw = floCrypto.decodeAddr(id).hex;
+                for (let i in user.pubKeys)
+                    if (floCrypto.decodeAddr(i).hex == id_raw)
+                        return user.pubKeys[i];
+            }
+        },
+        clear() {
+            user_id = user_public = user_private = undefined;
+            user_priv_raw = aes_key = undefined;
+            delete user.contacts;
+            delete user.pubKeys;
+            delete user.messages;
+        }
+    };
+
+    Object.defineProperties(window, {
+        myFloID: {
+            get: () => {
+                try {
+                    return user.id;
+                } catch {
+                    return;
+                }
+            }
+        },
+        myUserID: {
+            get: () => {
+                try {
+                    return user.id;
+                } catch {
+                    return;
+                }
+            }
+        },
+        myPubKey: {
+            get: () => {
+                try {
+                    return user.public;
+                } catch {
+                    return;
+                }
+            }
+        },
+        myPrivKey: {
+            get: () => {
+                try {
+                    return user.private;
+                } catch {
+                    return;
+                }
+            }
+        }
+    });
+
+    var subAdmins, settings
+    Object.defineProperties(floGlobals, {
+        subAdmins: {
+            get: () => subAdmins
+        },
+        settings: {
+            get: () => settings
+        },
+        contacts: {
+            get: () => user.contacts
+        },
+        pubKeys: {
+            get: () => user.pubKeys
+        },
+        messages: {
+            get: () => user.messages
+        }
+    })
+
     function initIndexedDB() {
         return new Promise((resolve, reject) => {
             var obs_g = {
@@ -21,6 +181,7 @@
                 credentials: {},
                 //for Dapps
                 subAdmins: {},
+                trustedIDs: {},
                 settings: {},
                 appObjects: {},
                 generalData: {},
@@ -28,41 +189,41 @@
             }
             //add other given objectStores
             initIndexedDB.appObs = initIndexedDB.appObs || {}
-            for (o in initIndexedDB.appObs)
+            for (let o in initIndexedDB.appObs)
                 if (!(o in obs_a))
                     obs_a[o] = initIndexedDB.appObs[o]
             Promise.all([
-                compactIDB.initDB(floGlobals.application, obs_a),
-                compactIDB.initDB("floDapps", obs_g)
+                compactIDB.initDB(DEFAULT.application, obs_a),
+                compactIDB.initDB(DEFAULT.root, obs_g)
             ]).then(result => {
-                compactIDB.setDefaultDB(floGlobals.application)
+                compactIDB.setDefaultDB(DEFAULT.application)
                 resolve("IndexedDB App Storage Initated Successfully")
             }).catch(error => reject(error));
         })
     }
 
-    function initUserDB(floID) {
+    function initUserDB() {
         return new Promise((resolve, reject) => {
             var obs = {
                 contacts: {},
                 pubKeys: {},
                 messages: {}
             }
-            compactIDB.initDB(`floDapps#${floID}`, obs).then(result => {
+            compactIDB.initDB(user.db_name, obs).then(result => {
                 resolve("UserDB Initated Successfully")
             }).catch(error => reject('Init userDB failed'));
         })
     }
 
-    function loadUserDB(floID) {
+    function loadUserDB() {
         return new Promise((resolve, reject) => {
             var loadData = ["contacts", "pubKeys", "messages"]
             var promises = []
             for (var i = 0; i < loadData.length; i++)
-                promises[i] = compactIDB.readAllData(loadData[i], `floDapps#${floID}`)
+                promises[i] = compactIDB.readAllData(loadData[i], user.db_name)
             Promise.all(promises).then(results => {
                 for (var i = 0; i < loadData.length; i++)
-                    floGlobals[loadData[i]] = results[i]
+                    user[loadData[i]] = results[i]
                 resolve("Loaded Data from userDB")
             }).catch(error => reject('Load userDB failed'))
         })
@@ -72,7 +233,7 @@
 
     startUpFunctions.push(function readSupernodeListFromAPI() {
         return new Promise((resolve, reject) => {
-            compactIDB.readData("lastTx", floCloudAPI.SNStorageID, "floDapps").then(lastTx => {
+            compactIDB.readData("lastTx", floCloudAPI.SNStorageID, DEFAULT.root).then(lastTx => {
                 floBlockchainAPI.readData(floCloudAPI.SNStorageID, {
                     ignoreOld: lastTx,
                     sentOnly: true,
@@ -80,14 +241,20 @@
                 }).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, "floDapps");
-                        for (sn in content.newNodes)
-                            compactIDB.writeData("supernodes", content.newNodes[sn], sn, "floDapps");
+                        for (let sn in content.removeNodes)
+                            compactIDB.removeData("supernodes", sn, DEFAULT.root);
+                        for (let sn in content.newNodes)
+                            compactIDB.writeData("supernodes", content.newNodes[sn], sn, DEFAULT.root);
+                        for (let sn in content.updateNodes)
+                            compactIDB.readData("supernodes", sn, DEFAULT.root).then(r => {
+                                r = r || {}
+                                r.uri = content.updateNodes[sn];
+                                compactIDB.writeData("supernodes", r, sn, DEFAULT.root);
+                            });
                     }
-                    compactIDB.writeData("lastTx", result.totalTxs, floCloudAPI.SNStorageID, "floDapps");
-                    compactIDB.readAllData("supernodes", "floDapps").then(result => {
-                        floCloudAPI.init(result)
+                    compactIDB.writeData("lastTx", result.totalTxs, floCloudAPI.SNStorageID, DEFAULT.root);
+                    compactIDB.readAllData("supernodes", DEFAULT.root).then(nodes => {
+                        floCloudAPI.init(nodes)
                             .then(result => resolve("Loaded Supernode list\n" + result))
                             .catch(error => reject(error))
                     })
@@ -98,14 +265,14 @@
 
     startUpFunctions.push(function readAppConfigFromAPI() {
         return new Promise((resolve, reject) => {
-            compactIDB.readData("lastTx", `${floGlobals.application}|${floGlobals.adminID}`, "floDapps").then(lastTx => {
-                floBlockchainAPI.readData(floGlobals.adminID, {
+            compactIDB.readData("lastTx", `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root).then(lastTx => {
+                floBlockchainAPI.readData(DEFAULT.adminID, {
                     ignoreOld: lastTx,
                     sentOnly: true,
-                    pattern: floGlobals.application
+                    pattern: DEFAULT.application
                 }).then(result => {
                     for (var i = result.data.length - 1; i >= 0; i--) {
-                        var content = JSON.parse(result.data[i])[floGlobals.application];
+                        var content = JSON.parse(result.data[i])[DEFAULT.application];
                         if (!content || typeof content !== "object")
                             continue;
                         if (Array.isArray(content.removeSubAdmin))
@@ -114,15 +281,21 @@
                         if (Array.isArray(content.addSubAdmin))
                             for (var k = 0; k < content.addSubAdmin.length; k++)
                                 compactIDB.writeData("subAdmins", true, content.addSubAdmin[k]);
+                        if (Array.isArray(content.removeTrustedID))
+                            for (var j = 0; j < content.removeTrustedID.length; j++)
+                                compactIDB.removeData("trustedIDs", content.removeTrustedID[j]);
+                        if (Array.isArray(content.addTrustedID))
+                            for (var k = 0; k < content.addTrustedID.length; k++)
+                                compactIDB.writeData("trustedIDs", true, content.addTrustedID[k]);
                         if (content.settings)
                             for (let l in content.settings)
                                 compactIDB.writeData("settings", content.settings[l], l)
                     }
-                    compactIDB.writeData("lastTx", result.totalTxs, `${floGlobals.application}|${floGlobals.adminID}`, "floDapps");
+                    compactIDB.writeData("lastTx", result.totalTxs, `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root);
                     compactIDB.readAllData("subAdmins").then(result => {
-                        floGlobals.subAdmins = Object.keys(result);
+                        subAdmins = Object.keys(result);
                         compactIDB.readAllData("settings").then(result => {
-                            floGlobals.settings = result;
+                            settings = result;
                             resolve("Read app configuration from blockchain");
                         })
                     })
@@ -186,7 +359,7 @@
         });
 
         const getPrivateKeyCredentials = () => new Promise((resolve, reject) => {
-            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
+            var indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
             if (indexArr) {
                 readSharesFromIDB(JSON.parse(indexArr))
                     .then(result => resolve(result))
@@ -197,7 +370,7 @@
                     if (!result)
                         return reject("Empty Private Key")
                     var floID = floCrypto.getFloID(result)
-                    if (!floID || !floCrypto.validateAddr(floID))
+                    if (!floID || !floCrypto.validateFloID(floID))
                         return reject("Invalid Private Key")
                     privKey = result;
                 }).catch(error => {
@@ -210,7 +383,7 @@
                     var shares = floCrypto.createShamirsSecretShares(privKey, threshold, threshold)
                     writeSharesToIDB(shares).then(resultIndexes => {
                         //store index keys in localStorage
-                        localStorage.setItem(`${floGlobals.application}#privKey`, JSON.stringify(resultIndexes))
+                        localStorage.setItem(`${DEFAULT.application}#privKey`, JSON.stringify(resultIndexes))
                         //also add a dummy privatekey to the IDB
                         var randomPrivKey = floCrypto.generateNewID().privKey
                         var randomThreshold = floCrypto.randInt(10, 20)
@@ -242,9 +415,14 @@
             getPrivateKeyCredentials().then(key => {
                 checkIfPinRequired(key).then(privKey => {
                     try {
-                        myPrivKey = privKey
-                        myPubKey = floCrypto.getPubKeyHex(myPrivKey)
-                        myFloID = floCrypto.getFloID(myPubKey)
+                        user_public = floCrypto.getPubKeyHex(privKey);
+                        user_id = floCrypto.getAddress(privKey);
+                        floCloudAPI.user(user_id, privKey); //Set user for floCloudAPI
+                        user_priv_wrap = () => checkIfPinRequired(key);
+                        let n = floCrypto.randInt(12, 20);
+                        aes_key = floCrypto.randString(n);
+                        user_priv_raw = Crypto.AES.encrypt(privKey, aes_key);
+                        user_private = user_priv_wrap;
                         resolve('Login Credentials loaded successful')
                     } catch (error) {
                         console.log(error)
@@ -289,7 +467,7 @@
         })
     });
 
-    floDapps.launchStartUp = function() {
+    floDapps.launchStartUp = function () {
         return new Promise((resolve, reject) => {
             initIndexedDB().then(log => {
                 console.log(log)
@@ -305,8 +483,8 @@
                 });
                 let p2 = new Promise((res, rej) => {
                     callAndLog(getCredentials()).then(r => {
-                        callAndLog(initUserDB(myFloID)).then(r => {
-                            callAndLog(loadUserDB(myFloID))
+                        callAndLog(initUserDB()).then(r => {
+                            callAndLog(loadUserDB())
                                 .then(r => res(true))
                                 .catch(e => rej(false))
                         }).catch(e => rej(false))
@@ -315,7 +493,10 @@
                 Promise.all([p1, p2])
                     .then(r => resolve('App Startup finished successful'))
                     .catch(e => reject('App Startup failed'))
-            }).catch(error => reject("App database initiation failed"))
+            }).catch(error => {
+                startUpLog(false, error);
+                reject("App database initiation failed")
+            })
         })
     }
 
@@ -329,63 +510,64 @@
 
     floDapps.setAppObjectStores = appObs => initIndexedDB.appObs = appObs;
 
-    floDapps.storeContact = function(floID, name) {
+    floDapps.storeContact = function (floID, name) {
         return new Promise((resolve, reject) => {
             if (!floCrypto.validateAddr(floID))
                 return reject("Invalid floID!")
-            compactIDB.writeData("contacts", name, floID, `floDapps#${myFloID}`).then(result => {
-                floGlobals.contacts[floID] = name;
+            compactIDB.writeData("contacts", name, floID, user.db_name).then(result => {
+                user.contacts[floID] = name;
                 resolve("Contact stored")
             }).catch(error => reject(error))
         });
     }
 
-    floDapps.storePubKey = function(floID, pubKey) {
+    floDapps.storePubKey = function (floID, pubKey) {
         return new Promise((resolve, reject) => {
-            if (floID in floGlobals.pubKeys)
+            if (floID in user.pubKeys)
                 return resolve("pubKey already stored")
             if (!floCrypto.validateAddr(floID))
                 return reject("Invalid floID!")
-            if (floCrypto.getFloID(pubKey) != floID)
+            if (!floCrypto.verifyPubKey(pubKey, floID))
                 return reject("Incorrect pubKey")
-            compactIDB.writeData("pubKeys", pubKey, floID, `floDapps#${myFloID}`).then(result => {
-                floGlobals.pubKeys[floID] = pubKey;
+            compactIDB.writeData("pubKeys", pubKey, floID, user.db_name).then(result => {
+                user.pubKeys[floID] = pubKey;
                 resolve("pubKey stored")
             }).catch(error => reject(error))
         });
     }
 
-    floDapps.sendMessage = function(floID, message) {
+    floDapps.sendMessage = function (floID, message) {
         return new Promise((resolve, reject) => {
             let options = {
                 receiverID: floID,
-                application: "floDapps",
-                comment: floGlobals.application
+                application: DEFAULT.root,
+                comment: DEFAULT.application
             }
-            if (floID in floGlobals.pubKeys)
-                message = floCrypto.encryptData(JSON.stringify(message), floGlobals.pubKeys[floID])
+            if (floID in user.pubKeys)
+                message = floCrypto.encryptData(JSON.stringify(message), user.pubKeys[floID])
             floCloudAPI.sendApplicationData(message, "Message", options)
                 .then(result => resolve(result))
                 .catch(error => reject(error))
         })
     }
 
-    floDapps.requestInbox = function(callback) {
+    floDapps.requestInbox = function (callback) {
         return new Promise((resolve, reject) => {
-            let lastVC = Object.keys(floGlobals.messages).sort().pop()
+            let lastVC = Object.keys(user.messages).sort().pop()
             let options = {
-                receiverID: myFloID,
-                application: "floDapps",
+                receiverID: user.id,
+                application: DEFAULT.root,
                 lowerVectorClock: lastVC + 1
             }
+            let privKey = raw_user.private;
             options.callback = (d, e) => {
                 for (let v in d) {
                     try {
                         if (d[v].message instanceof Object && "secret" in d[v].message)
-                            d[v].message = floCrypto.decryptData(d[v].message, myPrivKey)
-                    } catch (error) {}
-                    compactIDB.writeData("messages", d[v], v, `floDapps#${myFloID}`)
-                    floGlobals.messages[v] = d[v]
+                            d[v].message = floCrypto.decryptData(d[v].message, privKey)
+                    } catch (error) { }
+                    compactIDB.writeData("messages", d[v], v, user.db_name)
+                    user.messages[v] = d[v]
                 }
                 if (callback instanceof Function)
                     callback(d, e)
@@ -396,7 +578,7 @@
         })
     }
 
-    floDapps.manageAppConfig = function(adminPrivKey, addList, rmList, settings) {
+    floDapps.manageAppConfig = function (adminPrivKey, addList, rmList, settings) {
         return new Promise((resolve, reject) => {
             if (!Array.isArray(addList) || !addList.length) addList = undefined;
             if (!Array.isArray(rmList) || !rmList.length) rmList = undefined;
@@ -404,36 +586,58 @@
             if (!addList && !rmList && !settings)
                 return reject("No configuration change")
             var floData = {
-                [floGlobals.application]: {
+                [DEFAULT.application]: {
                     addSubAdmin: addList,
                     removeSubAdmin: rmList,
                     settings: settings
                 }
             }
             var floID = floCrypto.getFloID(adminPrivKey)
-            if (floID != floGlobals.adminID)
+            if (floID != DEFAULT.adminID)
                 reject('Access Denied for Admin privilege')
             else
                 floBlockchainAPI.writeData(floID, JSON.stringify(floData), adminPrivKey)
-                .then(result => resolve(['Updated App Configuration', result]))
-                .catch(error => reject(error))
+                    .then(result => resolve(['Updated App Configuration', result]))
+                    .catch(error => reject(error))
         })
     }
 
-    const clearCredentials = floDapps.clearCredentials = function() {
+    floDapps.manageAppTrustedIDs = function (adminPrivKey, addList, rmList) {
         return new Promise((resolve, reject) => {
-            compactIDB.clearData('credentials', floGlobals.application).then(result => {
-                localStorage.removeItem(`${floGlobals.application}#privKey`)
-                myPrivKey = myPubKey = myFloID = undefined;
+            if (!Array.isArray(addList) || !addList.length) addList = undefined;
+            if (!Array.isArray(rmList) || !rmList.length) rmList = undefined;
+            if (!addList && !rmList)
+                return reject("No change in list")
+            var floData = {
+                [DEFAULT.application]: {
+                    addTrustedID: addList,
+                    removeTrustedID: rmList
+                }
+            }
+            var floID = floCrypto.getFloID(adminPrivKey)
+            if (floID != DEFAULT.adminID)
+                reject('Access Denied for Admin privilege')
+            else
+                floBlockchainAPI.writeData(floID, JSON.stringify(floData), adminPrivKey)
+                    .then(result => resolve(['Updated App Configuration', result]))
+                    .catch(error => reject(error))
+        })
+    }
+
+    const clearCredentials = floDapps.clearCredentials = function () {
+        return new Promise((resolve, reject) => {
+            compactIDB.clearData('credentials', DEFAULT.application).then(result => {
+                localStorage.removeItem(`${DEFAULT.application}#privKey`);
+                user.clear();
                 resolve("privKey credentials deleted!")
             }).catch(error => reject(error))
         })
     }
 
-    floDapps.deleteUserData = function(credentials = false) {
+    floDapps.deleteUserData = function (credentials = false) {
         return new Promise((resolve, reject) => {
             let p = []
-            p.push(compactIDB.deleteDB(`floDapps#${myFloID}`))
+            p.push(compactIDB.deleteDB(user.db_name))
             if (credentials)
                 p.push(clearCredentials())
             Promise.all(p)
@@ -442,30 +646,30 @@
         })
     }
 
-    floDapps.deleteAppData = function() {
+    floDapps.deleteAppData = function () {
         return new Promise((resolve, reject) => {
-            compactIDB.deleteDB(floGlobals.application).then(result => {
-                localStorage.removeItem(`${floGlobals.application}#privKey`)
-                myPrivKey = myPubKey = myFloID = undefined;
-                compactIDB.removeData('lastTx', `${floGlobals.application}|${floGlobals.adminID}`, 'floDapps')
+            compactIDB.deleteDB(DEFAULT.application).then(result => {
+                localStorage.removeItem(`${DEFAULT.application}#privKey`)
+                user.clear();
+                compactIDB.removeData('lastTx', `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root)
                     .then(result => resolve("App database(local) deleted"))
                     .catch(error => reject(error))
             }).catch(error => reject(error))
         })
     }
 
-    floDapps.securePrivKey = function(pwd) {
-        return new Promise((resolve, reject) => {
-            let indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
+    floDapps.securePrivKey = function (pwd) {
+        return new Promise(async (resolve, reject) => {
+            let indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
             if (!indexArr)
                 return reject("PrivKey not found");
             indexArr = JSON.parse(indexArr)
-            let encryptedKey = Crypto.AES.encrypt(myPrivKey, pwd);
+            let encryptedKey = Crypto.AES.encrypt(await user.private, pwd);
             let threshold = indexArr.length;
             let shares = floCrypto.createShamirsSecretShares(encryptedKey, threshold, threshold)
             let promises = [];
             let overwriteFn = (share, index) =>
-                compactIDB.writeData("credentials", share, index, floGlobals.application);
+                compactIDB.writeData("credentials", share, index, DEFAULT.application);
             for (var i = 0; i < threshold; i++)
                 promises.push(overwriteFn(shares[i], indexArr[i]));
             Promise.all(promises)
@@ -474,8 +678,8 @@
         })
     }
 
-    floDapps.verifyPin = function(pin = null) {
-        const readSharesFromIDB = function(indexArr) {
+    floDapps.verifyPin = function (pin = null) {
+        const readSharesFromIDB = function (indexArr) {
             return new Promise((resolve, reject) => {
                 var promises = []
                 for (var i = 0; i < indexArr.length; i++)
@@ -494,7 +698,7 @@
             })
         }
         return new Promise((resolve, reject) => {
-            var indexArr = localStorage.getItem(`${floGlobals.application}#privKey`)
+            var indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
             console.info(indexArr)
             if (!indexArr)
                 reject('No login credentials found')
@@ -518,7 +722,7 @@
         })
     }
 
-    const getNextGeneralData = floDapps.getNextGeneralData = function(type, vectorClock = null, options = {}) {
+    const getNextGeneralData = floDapps.getNextGeneralData = function (type, vectorClock = null, options = {}) {
         var fk = floCloudAPI.util.filterKey(type, options)
         vectorClock = vectorClock || getNextGeneralData[fk] || '0';
         var filteredResult = {}
@@ -535,7 +739,7 @@
                     filteredResult[d] = JSON.parse(JSON.stringify(floGlobals.generalData[fk][d]))
         }
         if (options.decrypt) {
-            let decryptionKey = (options.decrypt === true) ? myPrivKey : options.decrypt;
+            let decryptionKey = (options.decrypt === true) ? raw_user.private : options.decrypt;
             if (!Array.isArray(decryptionKey))
                 decryptionKey = [decryptionKey];
             for (let f in filteredResult) {
@@ -547,10 +751,10 @@
                                 let tmp = floCrypto.decryptData(data.message, key)
                                 data.message = JSON.parse(tmp)
                                 break;
-                            } catch (error) {}
+                            } catch (error) { }
                         }
                     }
-                } catch (error) {}
+                } catch (error) { }
             }
         }
         getNextGeneralData[fk] = Object.keys(filteredResult).sort().pop();
@@ -561,14 +765,14 @@
 
     syncData.oldDevice = () => new Promise((resolve, reject) => {
         let sync = {
-            contacts: floGlobals.contacts,
-            pubKeys: floGlobals.pubKeys,
-            messages: floGlobals.messages
+            contacts: user.contacts,
+            pubKeys: user.pubKeys,
+            messages: user.messages
         }
-        let message = Crypto.AES.encrypt(JSON.stringify(sync), myPrivKey)
+        let message = Crypto.AES.encrypt(JSON.stringify(sync), raw_user.private)
         let options = {
-            receiverID: myFloID,
-            application: "floDapps"
+            receiverID: user.id,
+            application: DEFAULT.root
         }
         floCloudAPI.sendApplicationData(message, "syncData", options)
             .then(result => resolve(result))
@@ -577,20 +781,20 @@
 
     syncData.newDevice = () => new Promise((resolve, reject) => {
         var options = {
-            receiverID: myFloID,
-            senderID: myFloID,
-            application: "floDapps",
+            receiverID: user.id,
+            senderID: user.id,
+            application: DEFAULT.root,
             mostRecent: true,
         }
         floCloudAPI.requestApplicationData("syncData", options).then(response => {
             let vc = Object.keys(response).sort().pop()
-            let sync = JSON.parse(Crypto.AES.decrypt(response[vc].message, myPrivKey))
+            let sync = JSON.parse(Crypto.AES.decrypt(response[vc].message, raw_user.private))
             let promises = []
-            let store = (key, val, obs) => promises.push(compactIDB.writeData(obs, val, key, `floDapps#${floID}`));
+            let store = (key, val, obs) => promises.push(compactIDB.writeData(obs, val, key, user.db_name));
             ["contacts", "pubKeys", "messages"].forEach(c => {
                 for (let i in sync[c]) {
                     store(i, sync[c][i], c)
-                    floGlobals[c][i] = sync[c][i]
+                    user[c][i] = sync[c][i]
                 }
             })
             Promise.all(promises)
diff --git a/scripts/floTokenAPI.js b/scripts/floTokenAPI.js
index 7378f43..efbd2ae 100644
--- a/scripts/floTokenAPI.js
+++ b/scripts/floTokenAPI.js
@@ -1,11 +1,11 @@
-(function(EXPORTS) { //floTokenAPI v1.0.3b
+(function (EXPORTS) { //floTokenAPI v1.0.3c
     /* Token Operator to send/receive tokens via blockchain using API calls*/
     'use strict';
     const tokenAPI = EXPORTS;
 
     const DEFAULT = {
         apiURL: floGlobals.tokenURL || "https://ranchimallflo.duckdns.org/",
-        currency: "rupee"
+        currency: floGlobals.currency || "rupee"
     }
 
     Object.defineProperties(tokenAPI, {
@@ -27,9 +27,9 @@
         }
     });
 
-    const fetch_api = tokenAPI.fetch = function(apicall) {
+    const fetch_api = tokenAPI.fetch = function (apicall) {
         return new Promise((resolve, reject) => {
-            console.log(DEFAULT.apiURL + apicall);
+            console.debug(DEFAULT.apiURL + apicall);
             fetch(DEFAULT.apiURL + apicall).then(response => {
                 if (response.ok)
                     response.json().then(data => resolve(data));
@@ -39,7 +39,7 @@
         })
     }
 
-    const getBalance = tokenAPI.getBalance = function(floID, token = DEFAULT.currency) {
+    const getBalance = tokenAPI.getBalance = function (floID, token = DEFAULT.currency) {
         return new Promise((resolve, reject) => {
             fetch_api(`api/v1.0/getFloAddressBalance?token=${token}&floAddress=${floID}`)
                 .then(result => resolve(result.balance || 0))
@@ -47,7 +47,7 @@
         })
     }
 
-    tokenAPI.getTx = function(txID) {
+    tokenAPI.getTx = function (txID) {
         return new Promise((resolve, reject) => {
             fetch_api(`api/v1.0/getTransactionDetails/${txID}`).then(res => {
                 if (res.result === "error")
@@ -62,7 +62,7 @@
         })
     }
 
-    tokenAPI.sendToken = function(privKey, amount, receiverID, message = "", token = DEFAULT.currency, options = {}) {
+    tokenAPI.sendToken = function (privKey, amount, receiverID, message = "", token = DEFAULT.currency, options = {}) {
         return new Promise((resolve, reject) => {
             let senderID = floCrypto.getFloID(privKey);
             if (typeof amount !== "number" || isNaN(amount) || amount <= 0)
@@ -77,7 +77,7 @@
         });
     }
 
-    tokenAPI.getAllTxs = function(floID, token = DEFAULT.currency) {
+    tokenAPI.getAllTxs = function (floID, token = DEFAULT.currency) {
         return new Promise((resolve, reject) => {
             fetch_api(`api/v1.0/getFloAddressTransactions?token=${token}&floAddress=${floID}`)
                 .then(result => resolve(result))
@@ -87,7 +87,7 @@
 
     const util = tokenAPI.util = {};
 
-    util.parseTxData = function(txData) {
+    util.parseTxData = function (txData) {
         let parsedData = {};
         for (let p in txData.parsedFloData)
             parsedData[p] = txData.parsedFloData[p];
diff --git a/scripts/lib.js b/scripts/lib.js
index 80afa89..2234db8 100644
--- a/scripts/lib.js
+++ b/scripts/lib.js
@@ -1,4 +1,4 @@
-(function(GLOBAL) { //lib v1.2.2a
+(function (GLOBAL) { //lib v1.3.2
     'use strict';
     /* Utility Libraries required for Standard operations
      * All credits for these codes belong to their respective creators, moderators and owners.
@@ -6,8 +6,39 @@
      */
     GLOBAL.cryptocoin = (typeof floGlobals === 'undefined' ? null : floGlobals.blockchain) || 'FLO';
 
+    const getRandomBytes = (function () {
+        if (typeof require === 'function') {
+            const crypto = require('crypto');
+            return function (buf) {
+                var bytes = crypto.randomBytes(buf.length);
+                buf.set(bytes);
+                return buf;
+            }
+        } else if (GLOBAL.crypto && GLOBAL.crypto.getRandomValues) {
+            return function (buf) {
+                return GLOBAL.crypto.getRandomValues(buf);
+            }
+        } else
+            throw Error('Unable to define getRandomBytes');
+    })();
+
+
+    GLOBAL.securedMathRandom = (function () {
+        if (typeof require === 'function') {
+            const crypto = require('crypto');
+            return function () {
+                return crypto.randomBytes(4).readUInt32LE() / 0xffffffff;
+            }
+        } else if (GLOBAL.crypto && GLOBAL.crypto.getRandomValues) {
+            return function () {
+                return (GLOBAL.crypto.getRandomValues(new Uint32Array(1))[0] / 0xffffffff);
+            }
+        } else
+            throw Error('Unable to define securedMathRandom');
+    })();
+
     //Crypto.js
-    (function() {
+    (function () {
         // Global Crypto object
         var Crypto = GLOBAL.Crypto = {};
         /*!
@@ -16,7 +47,7 @@
          * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
 
             var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
@@ -24,17 +55,17 @@
             var util = Crypto.util = {
 
                 // Bit-wise rotate left
-                rotl: function(n, b) {
+                rotl: function (n, b) {
                     return (n << b) | (n >>> (32 - b));
                 },
 
                 // Bit-wise rotate right
-                rotr: function(n, b) {
+                rotr: function (n, b) {
                     return (n << (32 - b)) | (n >>> b);
                 },
 
                 // Swap big-endian to little-endian and vice versa
-                endian: function(n) {
+                endian: function (n) {
 
                     // If number given, swap endian
                     if (n.constructor == Number) {
@@ -50,28 +81,28 @@
                 },
 
                 // Generate an array of any length of random bytes
-                randomBytes: function(n) {
+                randomBytes: function (n) {
                     for (var bytes = []; n > 0; n--)
-                        bytes.push(Math.floor(Math.random() * 256));
+                        bytes.push(Math.floor(securedMathRandom() * 256));
                     return bytes;
                 },
 
                 // Convert a byte array to big-endian 32-bit words
-                bytesToWords: function(bytes) {
+                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) {
+                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) {
+                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));
@@ -80,14 +111,14 @@
                 },
 
                 // Convert a hex string to a byte array
-                hexToBytes: function(hex) {
+                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) {
+                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++) {
@@ -101,7 +132,7 @@
                 },
 
                 // Convert a base-64 string to a byte array
-                base64ToBytes: function(base64) {
+                base64ToBytes: function (base64) {
                     // Remove non-base-64 characters
                     base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
 
@@ -123,12 +154,12 @@
             var UTF8 = charenc.UTF8 = {
 
                 // Convert a string to a byte array
-                stringToBytes: function(str) {
+                stringToBytes: function (str) {
                     return Binary.stringToBytes(unescape(encodeURIComponent(str)));
                 },
 
                 // Convert a byte array to a string
-                bytesToString: function(bytes) {
+                bytesToString: function (bytes) {
                     return decodeURIComponent(escape(Binary.bytesToString(bytes)));
                 }
 
@@ -138,14 +169,14 @@
             var Binary = charenc.Binary = {
 
                 // Convert a string to a byte array
-                stringToBytes: function(str) {
+                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) {
+                bytesToString: function (bytes) {
                     for (var str = [], i = 0; i < bytes.length; i++)
                         str.push(String.fromCharCode(bytes[i]));
                     return str.join("");
@@ -161,7 +192,7 @@
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
 
             // Shortcuts
             var C = Crypto,
@@ -171,15 +202,15 @@
                 Binary = charenc.Binary;
 
             // Public API
-            var SHA1 = C.SHA1 = function(message, options) {
+            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);
+                        util.bytesToHex(digestbytes);
             };
 
             // The core
-            SHA1._sha1 = function(message) {
+            SHA1._sha1 = function (message) {
 
                 // Convert to byte array
                 if (message.constructor == String) message = UTF8.stringToBytes(message);
@@ -216,9 +247,9 @@
 
                         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);
+                                j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
+                                    j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
+                                        (H1 ^ H2 ^ H3) - 899497514);
 
                         H4 = H3;
                         H3 = H2;
@@ -254,7 +285,7 @@
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
 
             // Shortcuts
             var C = Crypto,
@@ -263,7 +294,7 @@
                 UTF8 = charenc.UTF8,
                 Binary = charenc.Binary;
 
-            C.HMAC = function(hasher, message, key, options) {
+            C.HMAC = function (hasher, message, key, options) {
 
                 // Convert to byte arrays
                 if (message.constructor == String) message = UTF8.stringToBytes(message);
@@ -292,7 +323,7 @@
 
                 return options && options.asBytes ? hmacbytes :
                     options && options.asString ? Binary.bytesToString(hmacbytes) :
-                    util.bytesToHex(hmacbytes);
+                        util.bytesToHex(hmacbytes);
 
             };
 
@@ -306,7 +337,7 @@
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
             var d = Crypto,
                 k = d.util,
                 g = d.charenc,
@@ -322,11 +353,11 @@
                     506948616, 659060556, 883997877, 958139571, 1322822218, 1537002063, 1747873779, 1955562222,
                     2024104815, 2227730452, 2361852424, 2428436474, 2756734187, 3204031479, 3329325298
                 ],
-                e = d.SHA256 = function(b, c) {
+                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) {
+            e._sha256 = function (a) {
                 a.constructor == String && (a = b.stringToBytes(a));
                 var e = k.bytesToWords(a),
                     f = a.length * 8,
@@ -349,7 +380,7 @@
                     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 << 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)) +
@@ -378,13 +409,13 @@
             e._blocksize = 16;
             e._digestsize = 32
         })();
-        (function() {
+        (function () {
             var d = Crypto,
                 k = d.util,
                 g = d.charenc,
                 b = g.UTF8,
                 a = g.Binary;
-            d.HMAC = function(c, e, d, g) {
+            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, {
@@ -403,18 +434,8 @@
     })();
 
     //SecureRandom.js
-    (function() {
+    (function () {
 
-        const getRandomValues = function(buf) {
-            if (typeof require === 'function') {
-                var bytes = require('crypto').randomBytes(buf.length);
-                buf.set(bytes)
-                return buf;
-            } else if (GLOBAL.crypto && GLOBAL.crypto.getRandomValues)
-                return GLOBAL.crypto.getRandomValues(buf);
-            else
-                return null;
-        }
 
         /*!
          * Random number generator with ArcFour PRNG
@@ -428,7 +449,7 @@
          */
 
         // Constructor function of Global SecureRandom object
-        var sr = GLOBAL.SecureRandom = function() {};
+        var sr = GLOBAL.SecureRandom = function () { };
 
         // Properties
         sr.state;
@@ -444,12 +465,12 @@
 
         // public method
         // ba: byte array
-        sr.prototype.nextBytes = function(ba) {
+        sr.prototype.nextBytes = function (ba) {
             var i;
-            if (getRandomValues && GLOBAL.Uint8Array) {
+            if (getRandomBytes && GLOBAL.Uint8Array) {
                 try {
                     var rvBytes = new Uint8Array(ba.length);
-                    getRandomValues(rvBytes);
+                    getRandomBytes(rvBytes);
                     for (i = 0; i < ba.length; ++i)
                         ba[i] = sr.getByte() ^ rvBytes[i];
                     return;
@@ -465,11 +486,11 @@
 
         // 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.seedTime = function () {
             sr.seedInt(new Date().getTime());
         }
 
-        sr.getByte = function() {
+        sr.getByte = function () {
             if (sr.state == null) {
                 sr.seedTime();
                 sr.state = sr.ArcFour(); // Plug in your RNG constructor here
@@ -484,7 +505,7 @@
         }
 
         // Mix in a 32-bit integer into the pool
-        sr.seedInt = function(x) {
+        sr.seedInt = function (x) {
             sr.seedInt8(x);
             sr.seedInt8((x >> 8));
             sr.seedInt8((x >> 16));
@@ -492,19 +513,19 @@
         }
 
         // Mix in a 16-bit integer into the pool
-        sr.seedInt16 = function(x) {
+        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.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() {
+        sr.ArcFour = function () {
             function Arcfour() {
                 this.i = 0;
                 this.j = 0;
@@ -549,23 +570,23 @@
             sr.pool = new Array();
             sr.pptr = 0;
             var t;
-            if (getRandomValues && GLOBAL.Uint8Array) {
+            if (getRandomBytes && GLOBAL.Uint8Array) {
                 try {
                     // Use webcrypto if available
                     var ua = new Uint8Array(sr.poolSize);
-                    getRandomValues(ua);
+                    getRandomBytes(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());
+            while (sr.pptr < sr.poolSize) { // extract some randomness from securedMathRandom()
+                t = Math.floor(65536 * securedMathRandom());
                 sr.pool[sr.pptr++] = t >>> 8;
                 sr.pool[sr.pptr++] = t & 255;
             }
-            sr.pptr = Math.floor(sr.poolSize * Math.random());
+            sr.pptr = Math.floor(sr.poolSize * securedMathRandom());
             sr.seedTime();
             // entropy
             var entropyStr = "";
@@ -589,7 +610,7 @@
             }
             entropyStr += pluginsStr + mimeTypesStr;
             // cookies and storage: 1 bit
-            entropyStr += navigator.cookieEnabled + typeof(sessionStorage) + typeof(localStorage);
+            entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
             // language: ~7 bit
             entropyStr += navigator.language;
             // history: ~2 bit
@@ -607,7 +628,7 @@
     })();
 
     //ripemd160.js
-    (function() {
+    (function () {
 
         /*
         CryptoJS v3.1.2
@@ -656,7 +677,7 @@
         var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E];
         var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000];
 
-        var bytesToWords = function(bytes) {
+        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);
@@ -664,7 +685,7 @@
             return words;
         };
 
-        var wordsToBytes = function(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);
@@ -672,7 +693,7 @@
             return bytes;
         };
 
-        var processBlock = function(H, M, offset) {
+        var processBlock = function (H, M, offset) {
 
             // Swap endian
             for (var i = 0; i < 16; i++) {
@@ -808,7 +829,7 @@
     })();
 
     //BigInteger.js
-    (function() {
+    (function () {
         // Upstream 'BigInteger' here:
         // Original Author: http://www-cs-students.stanford.edu/~tjw/jsbn/
         // Follows 'jsbn' on Github: https://github.com/jasondavies/jsbn
@@ -833,7 +854,7 @@
             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);
+                else this.fromString(a, b);
         };
 
         // Bits per digit
@@ -979,7 +1000,7 @@
 
 
         // (protected) copy this to r
-        BigInteger.prototype.copyTo = function(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;
@@ -987,7 +1008,7 @@
 
 
         // (protected) set from integer value x, -DV <= x < DV
-        BigInteger.prototype.fromInt = function(x) {
+        BigInteger.prototype.fromInt = function (x) {
             this.t = 1;
             this.s = (x < 0) ? -1 : 0;
             if (x > 0) this[0] = x;
@@ -996,7 +1017,7 @@
         };
 
         // (protected) set from string and radix
-        BigInteger.prototype.fromString = function(s, b) {
+        BigInteger.prototype.fromString = function (s, b) {
             var k;
             if (b == 16) k = 4;
             else if (b == 8) k = 3;
@@ -1040,13 +1061,13 @@
 
 
         // (protected) clamp off excess high words
-        BigInteger.prototype.clamp = function() {
+        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) {
+        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;
@@ -1055,7 +1076,7 @@
         };
 
         // (protected) r = this >> n*DB
-        BigInteger.prototype.drShiftTo = function(n, r) {
+        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;
@@ -1063,7 +1084,7 @@
 
 
         // (protected) r = this << n
-        BigInteger.prototype.lShiftTo = function(n, r) {
+        BigInteger.prototype.lShiftTo = function (n, r) {
             var bs = n % this.DB;
             var cbs = this.DB - bs;
             var bm = (1 << cbs) - 1;
@@ -1083,7 +1104,7 @@
 
 
         // (protected) r = this >> n
-        BigInteger.prototype.rShiftTo = function(n, r) {
+        BigInteger.prototype.rShiftTo = function (n, r) {
             r.s = this.s;
             var ds = Math.floor(n / this.DB);
             if (ds >= this.t) {
@@ -1105,7 +1126,7 @@
 
 
         // (protected) r = this - a
-        BigInteger.prototype.subTo = function(a, r) {
+        BigInteger.prototype.subTo = function (a, r) {
             var i = 0,
                 c = 0,
                 m = Math.min(a.t, this.t);
@@ -1141,7 +1162,7 @@
 
         // (protected) r = this * a, r != this,a (HAC 14.12)
         // "this" should be the larger one if appropriate.
-        BigInteger.prototype.multiplyTo = function(a, r) {
+        BigInteger.prototype.multiplyTo = function (a, r) {
             var x = this.abs(),
                 y = a.abs();
             var i = x.t;
@@ -1155,7 +1176,7 @@
 
 
         // (protected) r = this^2, r != this (HAC 14.16)
-        BigInteger.prototype.squareTo = function(r) {
+        BigInteger.prototype.squareTo = function (r) {
             var x = this.abs();
             var i = r.t = 2 * x.t;
             while (--i >= 0) r[i] = 0;
@@ -1175,7 +1196,7 @@
 
         // (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) {
+        BigInteger.prototype.divRemTo = function (m, q, r) {
             var pm = m.abs();
             if (pm.t <= 0) return;
             var pt = this.abs();
@@ -1244,7 +1265,7 @@
         // 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() {
+        BigInteger.prototype.invDigit = function () {
             if (this.t < 1) return 0;
             var x = this[0];
             if ((x & 1) == 0) return 0;
@@ -1261,13 +1282,13 @@
 
 
         // (protected) true iff this is even
-        BigInteger.prototype.isEven = function() {
+        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) {
+        BigInteger.prototype.exp = function (e, z) {
             if (e > 0xffffffff || e < 1) return BigInteger.ONE;
             var r = nbi(),
                 r2 = nbi(),
@@ -1288,7 +1309,7 @@
 
 
         // (public) return string representation in given radix
-        BigInteger.prototype.toString = function(b) {
+        BigInteger.prototype.toString = function (b) {
             if (this.s < 0) return "-" + this.negate().toString(b);
             var k;
             if (b == 16) k = 4;
@@ -1327,19 +1348,19 @@
 
 
         // (public) -this
-        BigInteger.prototype.negate = function() {
+        BigInteger.prototype.negate = function () {
             var r = nbi();
             BigInteger.ZERO.subTo(this, r);
             return r;
         };
 
         // (public) |this|
-        BigInteger.prototype.abs = function() {
+        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) {
+        BigInteger.prototype.compareTo = function (a) {
             var r = this.s - a.s;
             if (r != 0) return r;
             var i = this.t;
@@ -1351,13 +1372,13 @@
         }
 
         // (public) return the number of bits in "this"
-        BigInteger.prototype.bitLength = function() {
+        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) {
+        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);
@@ -1365,7 +1386,7 @@
         }
 
         // (public) this^e % m, 0 <= e < 2^32
-        BigInteger.prototype.modPowInt = function(e, m) {
+        BigInteger.prototype.modPowInt = function (e, m) {
             var z;
             if (e < 256 || m.isEven()) z = new Classic(m);
             else z = new Montgomery(m);
@@ -1447,12 +1468,12 @@
 
 
         // (protected) return x s.t. r^x < DV
-        BigInteger.prototype.chunkSize = function(r) {
+        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) {
+        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);
@@ -1470,7 +1491,7 @@
         };
 
         // (protected) convert from radix string
-        BigInteger.prototype.fromRadix = function(s, b) {
+        BigInteger.prototype.fromRadix = function (s, b) {
             this.fromInt(0);
             if (b == null) b = 10;
             var cs = this.chunkSize(b);
@@ -1500,7 +1521,7 @@
         };
 
         // (protected) alternate constructor
-        BigInteger.prototype.fromNumber = function(a, b, c) {
+        BigInteger.prototype.fromNumber = function (a, b, c) {
             if ("number" == typeof b) {
                 // new BigInteger(int,int,RNG)
                 if (a < 2) this.fromInt(1);
@@ -1527,7 +1548,7 @@
         };
 
         // (protected) r = this op a (bitwise)
-        BigInteger.prototype.bitwiseTo = function(a, op, r) {
+        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) {
@@ -1544,14 +1565,14 @@
         };
 
         // (protected) this op (1<<n)
-        BigInteger.prototype.changeBit = function(n, op) {
+        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) {
+        BigInteger.prototype.addTo = function (a, r) {
             var i = 0,
                 c = 0,
                 m = Math.min(a.t, this.t);
@@ -1585,14 +1606,14 @@
         };
 
         // (protected) this *= n, this >= 0, 1 < n < DV
-        BigInteger.prototype.dMultiply = function(n) {
+        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) {
+        BigInteger.prototype.dAddOffset = function (n, w) {
             if (n == 0) return;
             while (this.t <= w) this[this.t++] = 0;
             this[w] += n;
@@ -1605,7 +1626,7 @@
 
         // (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) {
+        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;
@@ -1619,7 +1640,7 @@
 
         // (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) {
+        BigInteger.prototype.multiplyUpperTo = function (a, n, r) {
             --n;
             var i = r.t = this.t + a.t - n;
             r.s = 0; // assumes a,this >= 0
@@ -1631,7 +1652,7 @@
         };
 
         // (protected) this % n, n < 2^26
-        BigInteger.prototype.modInt = function(n) {
+        BigInteger.prototype.modInt = function (n) {
             if (n <= 0) return 0;
             var d = this.DV % n,
                 r = (this.s < 0) ? n - 1 : 0;
@@ -1644,7 +1665,7 @@
 
 
         // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
-        BigInteger.prototype.millerRabin = function(t) {
+        BigInteger.prototype.millerRabin = function (t) {
             var n1 = this.subtract(BigInteger.ONE);
             var k = n1.getLowestSetBit();
             if (k <= 0) return false;
@@ -1654,7 +1675,7 @@
             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)]);
+                a.fromInt(lowprimes[Math.floor(securedMathRandom() * lowprimes.length)]);
                 var y = a.modPow(r, this);
                 if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
                     var j = 1;
@@ -1671,14 +1692,14 @@
 
 
         // (public)
-        BigInteger.prototype.clone = function() {
+        BigInteger.prototype.clone = function () {
             var r = nbi();
             this.copyTo(r);
             return r;
         };
 
         // (public) return value as integer
-        BigInteger.prototype.intValue = function() {
+        BigInteger.prototype.intValue = function () {
             if (this.s < 0) {
                 if (this.t == 1) return this[0] - this.DV;
                 else if (this.t == 0) return -1;
@@ -1690,17 +1711,17 @@
 
 
         // (public) return value as byte
-        BigInteger.prototype.byteValue = function() {
+        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() {
+        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() {
+        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;
@@ -1708,7 +1729,7 @@
 
 
         // (public) convert to bigendian byte array
-        BigInteger.prototype.toByteArray = function() {
+        BigInteger.prototype.toByteArray = function () {
             var i = this.t,
                 r = new Array();
             r[0] = this.s;
@@ -1736,13 +1757,13 @@
             return r;
         };
 
-        BigInteger.prototype.equals = function(a) {
+        BigInteger.prototype.equals = function (a) {
             return (this.compareTo(a) == 0);
         };
-        BigInteger.prototype.min = function(a) {
+        BigInteger.prototype.min = function (a) {
             return (this.compareTo(a) < 0) ? this : a;
         };
-        BigInteger.prototype.max = function(a) {
+        BigInteger.prototype.max = function (a) {
             return (this.compareTo(a) > 0) ? this : a;
         };
 
@@ -1750,7 +1771,7 @@
         function op_and(x, y) {
             return x & y;
         }
-        BigInteger.prototype.and = function(a) {
+        BigInteger.prototype.and = function (a) {
             var r = nbi();
             this.bitwiseTo(a, op_and, r);
             return r;
@@ -1760,7 +1781,7 @@
         function op_or(x, y) {
             return x | y;
         }
-        BigInteger.prototype.or = function(a) {
+        BigInteger.prototype.or = function (a) {
             var r = nbi();
             this.bitwiseTo(a, op_or, r);
             return r;
@@ -1770,7 +1791,7 @@
         function op_xor(x, y) {
             return x ^ y;
         }
-        BigInteger.prototype.xor = function(a) {
+        BigInteger.prototype.xor = function (a) {
             var r = nbi();
             this.bitwiseTo(a, op_xor, r);
             return r;
@@ -1780,14 +1801,14 @@
         function op_andnot(x, y) {
             return x & ~y;
         }
-        BigInteger.prototype.andNot = function(a) {
+        BigInteger.prototype.andNot = function (a) {
             var r = nbi();
             this.bitwiseTo(a, op_andnot, r);
             return r;
         };
 
         // (public) ~this
-        BigInteger.prototype.not = function() {
+        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;
@@ -1796,7 +1817,7 @@
         };
 
         // (public) this << n
-        BigInteger.prototype.shiftLeft = function(n) {
+        BigInteger.prototype.shiftLeft = function (n) {
             var r = nbi();
             if (n < 0) this.rShiftTo(-n, r);
             else this.lShiftTo(n, r);
@@ -1804,7 +1825,7 @@
         };
 
         // (public) this >> n
-        BigInteger.prototype.shiftRight = function(n) {
+        BigInteger.prototype.shiftRight = function (n) {
             var r = nbi();
             if (n < 0) this.lShiftTo(-n, r);
             else this.rShiftTo(n, r);
@@ -1812,7 +1833,7 @@
         };
 
         // (public) returns index of lowest 1-bit (or -1 if none)
-        BigInteger.prototype.getLowestSetBit = function() {
+        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;
@@ -1820,7 +1841,7 @@
         };
 
         // (public) return number of set bits
-        BigInteger.prototype.bitCount = function() {
+        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);
@@ -1828,56 +1849,56 @@
         };
 
         // (public) true iff nth bit is set
-        BigInteger.prototype.testBit = function(n) {
+        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) {
+        BigInteger.prototype.setBit = function (n) {
             return this.changeBit(n, op_or);
         };
         // (public) this & ~(1<<n)
-        BigInteger.prototype.clearBit = function(n) {
+        BigInteger.prototype.clearBit = function (n) {
             return this.changeBit(n, op_andnot);
         };
         // (public) this ^ (1<<n)
-        BigInteger.prototype.flipBit = function(n) {
+        BigInteger.prototype.flipBit = function (n) {
             return this.changeBit(n, op_xor);
         };
         // (public) this + a
-        BigInteger.prototype.add = function(a) {
+        BigInteger.prototype.add = function (a) {
             var r = nbi();
             this.addTo(a, r);
             return r;
         };
         // (public) this - a
-        BigInteger.prototype.subtract = function(a) {
+        BigInteger.prototype.subtract = function (a) {
             var r = nbi();
             this.subTo(a, r);
             return r;
         };
         // (public) this * a
-        BigInteger.prototype.multiply = function(a) {
+        BigInteger.prototype.multiply = function (a) {
             var r = nbi();
             this.multiplyTo(a, r);
             return r;
         };
         // (public) this / a
-        BigInteger.prototype.divide = function(a) {
+        BigInteger.prototype.divide = function (a) {
             var r = nbi();
             this.divRemTo(a, r, null);
             return r;
         };
         // (public) this % a
-        BigInteger.prototype.remainder = function(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) {
+        BigInteger.prototype.divideAndRemainder = function (a) {
             var q = nbi(),
                 r = nbi();
             this.divRemTo(a, q, r);
@@ -1885,7 +1906,7 @@
         };
 
         // (public) this^e % m (HAC 14.85)
-        BigInteger.prototype.modPow = function(e, m) {
+        BigInteger.prototype.modPow = function (e, m) {
             var i = e.bitLength(),
                 k, r = nbv(1),
                 z;
@@ -1972,7 +1993,7 @@
         };
 
         // (public) 1/this % m (HAC 14.61)
-        BigInteger.prototype.modInverse = function(m) {
+        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;
@@ -2023,12 +2044,12 @@
 
 
         // (public) this^e
-        BigInteger.prototype.pow = function(e) {
+        BigInteger.prototype.pow = function (e) {
             return this.exp(e, new NullExp());
         };
 
         // (public) gcd(this,a) (HAC 14.54)
-        BigInteger.prototype.gcd = function(a) {
+        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) {
@@ -2060,7 +2081,7 @@
         };
 
         // (public) test primality with certainty >= 1-.5^t
-        BigInteger.prototype.isProbablePrime = function(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)
@@ -2084,7 +2105,7 @@
         // JSBN-specific extension
 
         // (public) this^2
-        BigInteger.prototype.square = function() {
+        BigInteger.prototype.square = function () {
             var r = nbi();
             this.squareTo(r);
             return r;
@@ -2112,13 +2133,13 @@
          * 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() {
+        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 ba.map(function (v) {
                     return (v < 0) ? v + 256 : v;
                 });
             } else {
@@ -2133,7 +2154,7 @@
          * This function will interpret a byte array as a big integer in big
          * endian notation and ignore leading zeros.
          */
-        BigInteger.fromByteArrayUnsigned = function(ba) {
+        BigInteger.fromByteArrayUnsigned = function (ba) {
             if (!ba.length) {
                 return ba.valueOf(0);
             } else if (ba[0] & 0x80) {
@@ -2169,7 +2190,7 @@
          *  62300 => 0x00f35c
          * -62300 => 0x80f35c
          */
-        BigInteger.prototype.toByteArraySigned = function() {
+        BigInteger.prototype.toByteArraySigned = function () {
             var val = this.abs().toByteArrayUnsigned();
             var neg = this.compareTo(BigInteger.ZERO) < 0;
 
@@ -2193,7 +2214,7 @@
          *
          * For details on the format please see BigInteger.toByteArraySigned.
          */
-        BigInteger.fromByteArraySigned = function(ba) {
+        BigInteger.fromByteArraySigned = function (ba) {
             // Check for negative value
             if (ba[0] & 0x80) {
                 // Remove sign bit
@@ -2215,21 +2236,21 @@
         var Classic = GLOBAL.Classic = function Classic(m) {
             this.m = m;
         }
-        Classic.prototype.convert = function(x) {
+        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) {
+        Classic.prototype.revert = function (x) {
             return x;
         };
-        Classic.prototype.reduce = function(x) {
+        Classic.prototype.reduce = function (x) {
             x.divRemTo(this.m, null, x);
         };
-        Classic.prototype.mulTo = function(x, y, r) {
+        Classic.prototype.mulTo = function (x, y, r) {
             x.multiplyTo(y, r);
             this.reduce(r);
         };
-        Classic.prototype.sqrTo = function(x, r) {
+        Classic.prototype.sqrTo = function (x, r) {
             x.squareTo(r);
             this.reduce(r);
         };
@@ -2248,7 +2269,7 @@
             this.mt2 = 2 * m.t;
         }
         // xR mod m
-        Montgomery.prototype.convert = function(x) {
+        Montgomery.prototype.convert = function (x) {
             var r = nbi();
             x.abs().dlShiftTo(this.m.t, r);
             r.divRemTo(this.m, null, r);
@@ -2256,14 +2277,14 @@
             return r;
         }
         // x/R mod m
-        Montgomery.prototype.revert = function(x) {
+        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) {
+        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) {
@@ -2284,12 +2305,12 @@
             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) {
+        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) {
+        Montgomery.prototype.sqrTo = function (x, r) {
             x.squareTo(r);
             this.reduce(r);
         };
@@ -2299,17 +2320,17 @@
 
 
         // A "null" reducer
-        var NullExp = GLOBAL.NullExp = function NullExp() {}
-        NullExp.prototype.convert = function(x) {
+        var NullExp = GLOBAL.NullExp = function NullExp() { }
+        NullExp.prototype.convert = function (x) {
             return x;
         };
-        NullExp.prototype.revert = function(x) {
+        NullExp.prototype.revert = function (x) {
             return x;
         };
-        NullExp.prototype.mulTo = function(x, y, r) {
+        NullExp.prototype.mulTo = function (x, y, r) {
             x.multiplyTo(y, r);
         };
-        NullExp.prototype.sqrTo = function(x, r) {
+        NullExp.prototype.sqrTo = function (x, r) {
             x.squareTo(r);
         };
 
@@ -2326,7 +2347,7 @@
             this.mu = this.r2.divide(m);
             this.m = m;
         }
-        Barrett.prototype.convert = function(x) {
+        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 {
@@ -2336,11 +2357,11 @@
                 return r;
             }
         };
-        Barrett.prototype.revert = function(x) {
+        Barrett.prototype.revert = function (x) {
             return x;
         };
         // x = x mod m (HAC 14.42)
-        Barrett.prototype.reduce = function(x) {
+        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;
@@ -2353,12 +2374,12 @@
             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) {
+        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) {
+        Barrett.prototype.sqrTo = function (x, r) {
             x.squareTo(r);
             this.reduce(r);
         };
@@ -2374,7 +2395,7 @@
     })();
 
     //ellipticcurve.js
-    (function() {
+    (function () {
         /*!
          * Basic Javascript Elliptic Curve implementation
          * Ported loosely from BouncyCastle's Java EC code
@@ -2384,53 +2405,53 @@
          * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
          */
         // Constructor function of Global EllipticCurve object
-        var ec = GLOBAL.EllipticCurve = function() {};
+        var ec = GLOBAL.EllipticCurve = function () { };
 
         // ----------------
         // ECFieldElementFp constructor
         // q instanceof BigInteger
         // x instanceof BigInteger
-        ec.FieldElementFp = function(q, x) {
+        ec.FieldElementFp = function (q, x) {
             this.x = x;
             // TODO if(x.compareTo(q) >= 0) error
             this.q = q;
         };
 
-        ec.FieldElementFp.prototype.equals = function(other) {
+        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() {
+        ec.FieldElementFp.prototype.toBigInteger = function () {
             return this.x;
         };
 
-        ec.FieldElementFp.prototype.negate = function() {
+        ec.FieldElementFp.prototype.negate = function () {
             return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q));
         };
 
-        ec.FieldElementFp.prototype.add = function(b) {
+        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) {
+        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) {
+        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() {
+        ec.FieldElementFp.prototype.square = function () {
             return new ec.FieldElementFp(this.q, this.x.square().mod(this.q));
         };
 
-        ec.FieldElementFp.prototype.divide = function(b) {
+        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() {
+        ec.FieldElementFp.prototype.getByteLength = function () {
             return Math.floor((this.toBigInteger().bitLength() + 7) / 8);
         };
 
@@ -2442,7 +2463,7 @@
          * 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() {
+        ec.FieldElementFp.prototype.sqrt = function () {
             if (!this.q.testBit(0)) throw new Error("even value of q");
 
             // p mod 4 == 3
@@ -2470,7 +2491,7 @@
                     P = new BigInteger(this.q.bitLength(), rand);
                 }
                 while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
-                        this.q).equals(qMinusOne)));
+                    this.q).equals(qMinusOne)));
 
                 var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
 
@@ -2494,7 +2515,7 @@
          * contribution from Simon Greatrix
          */
 
-        (function(C) {
+        (function (C) {
 
             // Create pad namespace
             var C_pad = C.pad = {};
@@ -2507,7 +2528,7 @@
             }
 
             // Remove padding when the final byte gives the number of padding bytes.
-            var _unpadLength = function(cipher, message, alg, padding) {
+            var _unpadLength = function (cipher, message, alg, padding) {
                 var pad = message.pop();
                 if (pad == 0) {
                     throw new Error("Invalid zero-length padding specified for " + alg +
@@ -2531,8 +2552,8 @@
 
             // No-operation padding, used for stream ciphers
             C_pad.NoPadding = {
-                pad: function(cipher, message) {},
-                unpad: function(cipher, message) {}
+                pad: function (cipher, message) { },
+                unpad: function (cipher, message) { }
             };
 
             // Zero Padding.
@@ -2540,7 +2561,7 @@
             // 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) {
+                pad: function (cipher, message) {
                     var blockSizeInBytes = cipher._blocksize * 4;
                     var reqd = message.length % blockSizeInBytes;
                     if (reqd != 0) {
@@ -2550,7 +2571,7 @@
                     }
                 },
 
-                unpad: function(cipher, message) {
+                unpad: function (cipher, message) {
                     while (message[message.length - 1] == 0) {
                         message.pop();
                     }
@@ -2562,7 +2583,7 @@
             // 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) {
+                pad: function (cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     message.push(0x80);
                     for (; reqd > 1; reqd--) {
@@ -2570,7 +2591,7 @@
                     }
                 },
 
-                unpad: function(cipher, message) {
+                unpad: function (cipher, message) {
                     var padLength;
                     for (padLength = cipher._blocksize * 4; padLength > 0; padLength--) {
                         var b = message.pop();
@@ -2591,7 +2612,7 @@
             // 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) {
+                pad: function (cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     for (var i = 1; i < reqd; i++) {
                         message.push(0x00);
@@ -2599,7 +2620,7 @@
                     message.push(reqd);
                 },
 
-                unpad: function(cipher, message) {
+                unpad: function (cipher, message) {
                     _unpadLength(cipher, message, "ANSI X.923", 0);
                 }
             };
@@ -2609,15 +2630,15 @@
             // 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) {
+                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(Math.floor(securedMathRandom() * 256));
                     }
                     message.push(reqd);
                 },
 
-                unpad: function(cipher, message) {
+                unpad: function (cipher, message) {
                     _unpadLength(cipher, message, "ISO 10126", undefined);
                 }
             };
@@ -2628,14 +2649,14 @@
             // 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) {
+                pad: function (cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     for (var i = 0; i < reqd; i++) {
                         message.push(reqd);
                     }
                 },
 
-                unpad: function(cipher, message) {
+                unpad: function (cipher, message) {
                     _unpadLength(cipher, message, "PKCS 7", message[message.length - 1]);
                 }
             };
@@ -2646,19 +2667,19 @@
             /**
              * Mode base "class".
              */
-            var Mode = C_mode.Mode = function(padding) {
+            var Mode = C_mode.Mode = function (padding) {
                 if (padding) {
                     this._padding = padding;
                 }
             };
 
             Mode.prototype = {
-                encrypt: function(cipher, m, iv) {
+                encrypt: function (cipher, m, iv) {
                     this._padding.pad(cipher, m);
                     this._doEncrypt(cipher, m, iv);
                 },
 
-                decrypt: function(cipher, m, iv) {
+                decrypt: function (cipher, m, iv) {
                     this._doDecrypt(cipher, m, iv);
                     this._padding.unpad(cipher, m);
                 },
@@ -2675,7 +2696,7 @@
              * 
              * ECB does not require an initialization vector.
              */
-            var ECB = C_mode.ECB = function() {
+            var ECB = C_mode.ECB = function () {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2684,14 +2705,14 @@
             var ECB_prototype = ECB.prototype = new Mode;
 
             // Concrete steps for Mode template
-            ECB_prototype._doEncrypt = function(cipher, m, iv) {
+            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) {
+            ECB_prototype._doDecrypt = function (cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
                 // Decrypt each block
                 for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
@@ -2700,7 +2721,7 @@
             };
 
             // ECB never uses an IV
-            ECB_prototype.fixOptions = function(options) {
+            ECB_prototype.fixOptions = function (options) {
                 options.iv = [];
             };
 
@@ -2711,7 +2732,7 @@
              * The first block is XORed with the IV. Subsequent blocks are XOR with the
              * previous cipher output.
              */
-            var CBC = C_mode.CBC = function() {
+            var CBC = C_mode.CBC = function () {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2720,7 +2741,7 @@
             var CBC_prototype = CBC.prototype = new Mode;
 
             // Concrete steps for Mode template
-            CBC_prototype._doEncrypt = function(cipher, m, iv) {
+            CBC_prototype._doEncrypt = function (cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
 
                 // Encrypt each block
@@ -2738,7 +2759,7 @@
                     cipher._encryptblock(m, offset);
                 }
             };
-            CBC_prototype._doDecrypt = function(cipher, c, iv) {
+            CBC_prototype._doDecrypt = function (cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
 
                 // At the start, the previously crypted block is the IV
@@ -2768,7 +2789,7 @@
              * 
              * This is a stream cipher mode and does not require padding.
              */
-            var CFB = C_mode.CFB = function() {
+            var CFB = C_mode.CFB = function () {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2780,7 +2801,7 @@
             CFB_prototype._padding = C_pad.NoPadding;
 
             // Concrete steps for Mode template
-            CFB_prototype._doEncrypt = function(cipher, m, iv) {
+            CFB_prototype._doEncrypt = function (cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
 
@@ -2794,7 +2815,7 @@
                     keystream[j] = m[i];
                 }
             };
-            CFB_prototype._doDecrypt = function(cipher, c, iv) {
+            CFB_prototype._doDecrypt = function (cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
 
@@ -2819,7 +2840,7 @@
              * 
              * This is a stream cipher mode and does not require padding.
              */
-            var OFB = C_mode.OFB = function() {
+            var OFB = C_mode.OFB = function () {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2831,7 +2852,7 @@
             OFB_prototype._padding = C_pad.NoPadding;
 
             // Concrete steps for Mode template
-            OFB_prototype._doEncrypt = function(cipher, m, iv) {
+            OFB_prototype._doEncrypt = function (cipher, m, iv) {
 
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
@@ -2859,7 +2880,7 @@
              *
              * This is a stream cipher mode and does not require padding.
              */
-            var CTR = C_mode.CTR = function() {
+            var CTR = C_mode.CTR = function () {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2870,7 +2891,7 @@
             // Override padding
             CTR_prototype._padding = C_pad.NoPadding;
 
-            CTR_prototype._doEncrypt = function(cipher, m, iv) {
+            CTR_prototype._doEncrypt = function (cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
                 var counter = iv.slice(0);
 
@@ -2909,7 +2930,7 @@
          * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
 
             // Shortcuts
             var C = Crypto,
@@ -2918,7 +2939,7 @@
                 UTF8 = charenc.UTF8,
                 Binary = charenc.Binary;
 
-            C.PBKDF2 = function(password, salt, keylen, options) {
+            C.PBKDF2 = function (password, salt, keylen, options) {
 
                 // Convert to byte arrays
                 if (password.constructor == String) password = UTF8.stringToBytes(password);
@@ -2954,7 +2975,7 @@
 
                 return options && options.asBytes ? derivedKeyBytes :
                     options && options.asString ? Binary.bytesToString(derivedKeyBytes) :
-                    util.bytesToHex(derivedKeyBytes);
+                        util.bytesToHex(derivedKeyBytes);
 
             };
 
@@ -2982,7 +3003,7 @@
          * THE SOFTWARE.
          */
         // https://github.com/cheongwy/node-scrypt-js
-        (function() {
+        (function () {
 
             var MAX_VALUE = 2147483647;
             var workerUrl = null;
@@ -2994,7 +3015,7 @@
              * p = parallelization cost
              * 
              */
-            GLOBAL.Crypto_scrypt = function(passwd, salt, N, r, p, dkLen, callback) {
+            GLOBAL.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");
@@ -3011,7 +3032,7 @@
                 try {
                     var i = 0;
                     var worksDone = 0;
-                    var makeWorker = function() {
+                    var makeWorker = function () {
                         if (!workerUrl) {
                             var code = '(' + scryptCore.toString() + ')()';
                             var blob;
@@ -3030,7 +3051,7 @@
                             workerUrl = URL.createObjectURL(blob);
                         }
                         var worker = new Worker(workerUrl);
-                        worker.onmessage = function(event) {
+                        worker.onmessage = function (event) {
                             var Bi = event.data[0],
                                 Bslice = event.data[1];
                             worksDone++;
@@ -3058,7 +3079,7 @@
                         workers[1].postMessage([N, r, p, B, i++]);
                     }
                 } catch (e) {
-                    GLOBAL.setTimeout(function() {
+                    GLOBAL.setTimeout(function () {
                         scryptCore();
                         callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
                     }, 0);
@@ -3070,7 +3091,7 @@
                         V = [];
 
                     if (typeof B === 'undefined') {
-                        onmessage = function(event) {
+                        onmessage = function (event) {
                             var data = event.data;
                             var N = data[0],
                                 r = data[1],
@@ -3342,7 +3363,7 @@
          * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function() {
+        (function () {
 
             // Shortcuts
             var C = Crypto,
@@ -3421,11 +3442,11 @@
 
             // Inner state
             var state = [
-                    [],
-                    [],
-                    [],
-                    []
-                ],
+                [],
+                [],
+                [],
+                []
+            ],
                 keylength,
                 nrounds,
                 keyschedule;
@@ -3436,7 +3457,7 @@
                  * Public API
                  */
 
-                encrypt: function(message, password, options) {
+                encrypt: function (message, password, options) {
 
                     options = options || {};
 
@@ -3451,8 +3472,8 @@
                         // Convert to bytes if message is a string
                         m = (
                             message.constructor == String ?
-                            UTF8.stringToBytes(message) :
-                            message
+                                UTF8.stringToBytes(message) :
+                                message
                         ),
 
                         // Generate random IV
@@ -3461,12 +3482,12 @@
                         // 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
+                                // Derive key from pass-phrase
+                                C.PBKDF2(password, iv, 32, {
+                                    asBytes: true
+                                }) :
+                                // else, assume byte array representing cryptographic key
+                                password
                         );
 
                     // Encrypt
@@ -3479,7 +3500,7 @@
 
                 },
 
-                decrypt: function(ciphertext, password, options) {
+                decrypt: function (ciphertext, password, options) {
 
                     options = options || {};
 
@@ -3494,8 +3515,8 @@
                         // Convert to bytes if ciphertext is a string
                         c = (
                             ciphertext.constructor == String ?
-                            util.base64ToBytes(ciphertext) :
-                            ciphertext
+                                util.base64ToBytes(ciphertext) :
+                                ciphertext
                         ),
 
                         // Separate IV and message
@@ -3504,12 +3525,12 @@
                         // 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
+                                // Derive key from pass-phrase
+                                C.PBKDF2(password, iv, 32, {
+                                    asBytes: true
+                                }) :
+                                // else, assume byte array representing cryptographic key
+                                password
                         );
 
                     // Decrypt
@@ -3528,7 +3549,7 @@
 
                 _blocksize: 4,
 
-                _encryptblock: function(m, offset) {
+                _encryptblock: function (m, offset) {
 
                     // Set input
                     for (var row = 0; row < AES._blocksize; row++) {
@@ -3605,7 +3626,7 @@
 
                 },
 
-                _decryptblock: function(c, offset) {
+                _decryptblock: function (c, offset) {
 
                     // Set input
                     for (var row = 0; row < AES._blocksize; row++) {
@@ -3687,14 +3708,14 @@
                  * Private methods
                  */
 
-                _init: function(k) {
+                _init: function (k) {
                     keylength = k.length / 4;
                     nrounds = keylength + 6;
                     AES._keyexpansion(k);
                 },
 
                 // Generate a key schedule
-                _keyexpansion: function(k) {
+                _keyexpansion: function (k) {
 
                     keyschedule = [];
 
@@ -3758,7 +3779,7 @@
          * 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) {
+        ec.FieldElementFp.fastLucasSequence = function (p, P, Q, k) {
             // TODO Research and apply "common-multiplicand multiplication here"
 
             var n = k.bitLength();
@@ -3801,7 +3822,7 @@
 
         // ----------------
         // ECPointFp constructor
-        ec.PointFp = function(curve, x, y, z, compressed) {
+        ec.PointFp = function (curve, x, y, z, compressed) {
             this.curve = curve;
             this.x = x;
             this.y = y;
@@ -3817,7 +3838,7 @@
             this.compressed = !!compressed;
         };
 
-        ec.PointFp.prototype.getX = function() {
+        ec.PointFp.prototype.getX = function () {
             if (this.zinv == null) {
                 this.zinv = this.z.modInverse(this.curve.q);
             }
@@ -3826,7 +3847,7 @@
             return this.curve.fromBigInteger(r);
         };
 
-        ec.PointFp.prototype.getY = function() {
+        ec.PointFp.prototype.getY = function () {
             if (this.zinv == null) {
                 this.zinv = this.z.modInverse(this.curve.q);
             }
@@ -3835,7 +3856,7 @@
             return this.curve.fromBigInteger(r);
         };
 
-        ec.PointFp.prototype.equals = function(other) {
+        ec.PointFp.prototype.equals = function (other) {
             if (other == this) return true;
             if (this.isInfinity()) return other.isInfinity();
             if (other.isInfinity()) return this.isInfinity();
@@ -3850,16 +3871,16 @@
             return v.equals(BigInteger.ZERO);
         };
 
-        ec.PointFp.prototype.isInfinity = function() {
+        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() {
+        ec.PointFp.prototype.negate = function () {
             return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z);
         };
 
-        ec.PointFp.prototype.add = function(b) {
+        ec.PointFp.prototype.add = function (b) {
             if (this.isInfinity()) return b;
             if (b.isInfinity()) return this;
 
@@ -3901,7 +3922,7 @@
                 z3);
         };
 
-        ec.PointFp.prototype.twice = function() {
+        ec.PointFp.prototype.twice = function () {
             if (this.isInfinity()) return this;
             if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
 
@@ -3936,7 +3957,7 @@
 
         // Simple NAF (Non-Adjacent Form) multiplication algorithm
         // TODO: modularize the multiplication algorithm
-        ec.PointFp.prototype.multiply = function(k) {
+        ec.PointFp.prototype.multiply = function (k) {
             if (this.isInfinity()) return this;
             if (k.signum() == 0) return this.curve.getInfinity();
 
@@ -3962,7 +3983,7 @@
         };
 
         // Compute this*j + x*k (simultaneous multiplication)
-        ec.PointFp.prototype.multiplyTwo = function(j, x, k) {
+        ec.PointFp.prototype.multiplyTwo = function (j, x, k) {
             var i;
             if (j.bitLength() > k.bitLength())
                 i = j.bitLength() - 1;
@@ -3992,7 +4013,7 @@
 
         // 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) {
+        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.
@@ -4012,7 +4033,7 @@
             return enc;
         };
 
-        ec.PointFp.decodeFrom = function(curve, enc) {
+        ec.PointFp.decodeFrom = function (curve, enc) {
             var type = enc[0];
             var dataLen = enc.length - 1;
 
@@ -4032,7 +4053,7 @@
             return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
         };
 
-        ec.PointFp.prototype.add2D = function(b) {
+        ec.PointFp.prototype.add2D = function (b) {
             if (this.isInfinity()) return b;
             if (b.isInfinity()) return this;
 
@@ -4055,7 +4076,7 @@
             return new ec.PointFp(this.curve, x3, y3);
         };
 
-        ec.PointFp.prototype.twice2D = function() {
+        ec.PointFp.prototype.twice2D = function () {
             if (this.isInfinity()) return this;
             if (this.y.toBigInteger().signum() == 0) {
                 // if y1 == 0, then (x1, y1) == (x1, -y1)
@@ -4073,7 +4094,7 @@
             return new ec.PointFp(this.curve, x3, y3);
         };
 
-        ec.PointFp.prototype.multiply2D = function(k) {
+        ec.PointFp.prototype.multiply2D = function (k) {
             if (this.isInfinity()) return this;
             if (k.signum() == 0) return this.curve.getInfinity();
 
@@ -4098,7 +4119,7 @@
             return R;
         };
 
-        ec.PointFp.prototype.isOnCurve = function() {
+        ec.PointFp.prototype.isOnCurve = function () {
             var x = this.getX().toBigInteger();
             var y = this.getY().toBigInteger();
             var a = this.curve.getA().toBigInteger();
@@ -4109,7 +4130,7 @@
             return lhs.equals(rhs);
         };
 
-        ec.PointFp.prototype.toString = function() {
+        ec.PointFp.prototype.toString = function () {
             return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() +
                 ')';
         };
@@ -4119,7 +4140,7 @@
          *
          * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
          */
-        ec.PointFp.prototype.validate = function() {
+        ec.PointFp.prototype.validate = function () {
             var n = this.curve.getQ();
 
             // Check Q != O
@@ -4156,7 +4177,7 @@
 
         // ----------------
         // ECCurveFp constructor
-        ec.CurveFp = function(q, a, b) {
+        ec.CurveFp = function (q, a, b) {
             this.q = q;
             this.a = this.fromBigInteger(a);
             this.b = this.fromBigInteger(b);
@@ -4164,38 +4185,38 @@
             this.reducer = new Barrett(this.q);
         }
 
-        ec.CurveFp.prototype.getQ = function() {
+        ec.CurveFp.prototype.getQ = function () {
             return this.q;
         };
 
-        ec.CurveFp.prototype.getA = function() {
+        ec.CurveFp.prototype.getA = function () {
             return this.a;
         };
 
-        ec.CurveFp.prototype.getB = function() {
+        ec.CurveFp.prototype.getB = function () {
             return this.b;
         };
 
-        ec.CurveFp.prototype.equals = function(other) {
+        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() {
+        ec.CurveFp.prototype.getInfinity = function () {
             return this.infinity;
         };
 
-        ec.CurveFp.prototype.fromBigInteger = function(x) {
+        ec.CurveFp.prototype.fromBigInteger = function (x) {
             return new ec.FieldElementFp(this.q, x);
         };
 
-        ec.CurveFp.prototype.reduce = function(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) {
+        ec.CurveFp.prototype.decodePointHex = function (s) {
             var firstByte = parseInt(s.substr(0, 2), 16);
             switch (firstByte) { // first byte
                 case 0:
@@ -4222,7 +4243,7 @@
             }
         };
 
-        ec.CurveFp.prototype.encodePointHex = function(p) {
+        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);
@@ -4244,7 +4265,7 @@
          * Number yTilde
          * BigInteger X1
          */
-        ec.CurveFp.prototype.decompressPoint = function(yTilde, 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();
@@ -4260,11 +4281,11 @@
         };
 
 
-        ec.fromHex = function(s) {
+        ec.fromHex = function (s) {
             return new BigInteger(s, 16);
         };
 
-        ec.integerToBytes = function(i, len) {
+        ec.integerToBytes = function (i, len) {
             var bytes = i.toByteArrayUnsigned();
             if (len < bytes.length) {
                 bytes = bytes.slice(bytes.length - len);
@@ -4279,29 +4300,29 @@
         // Named EC curves
         // ----------------
         // X9ECParameters constructor
-        ec.X9Parameters = function(curve, g, n, h) {
+        ec.X9Parameters = function (curve, g, n, h) {
             this.curve = curve;
             this.g = g;
             this.n = n;
             this.h = h;
         }
-        ec.X9Parameters.prototype.getCurve = function() {
+        ec.X9Parameters.prototype.getCurve = function () {
             return this.curve;
         };
-        ec.X9Parameters.prototype.getG = function() {
+        ec.X9Parameters.prototype.getG = function () {
             return this.g;
         };
-        ec.X9Parameters.prototype.getN = function() {
+        ec.X9Parameters.prototype.getN = function () {
             return this.n;
         };
-        ec.X9Parameters.prototype.getH = function() {
+        ec.X9Parameters.prototype.getH = function () {
             return this.h;
         };
 
         // secp256k1 is the Curve used by Bitcoin
         ec.secNamedCurves = {
             // used by Bitcoin
-            "secp256k1": function() {
+            "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;
@@ -4317,16 +4338,16 @@
         };
 
         // secp256k1 called by Bitcoin's ECKEY
-        ec.getSECCurveByName = function(name) {
+        ec.getSECCurveByName = function (name) {
             if (ec.secNamedCurves[name] == undefined) return null;
             return ec.secNamedCurves[name]();
         }
     })();
 
     //bitTrx.js
-    (function() {
+    (function () {
 
-        var bitjs = GLOBAL.bitjs = function() {};
+        var bitjs = GLOBAL.bitjs = function () { };
 
         function ascii_to_hexa(str) {
             var arr1 = [];
@@ -4343,7 +4364,7 @@
         bitjs.compressed = false;
 
         /* provide a privkey and return an WIF  */
-        bitjs.privkey2wif = function(h) {
+        bitjs.privkey2wif = function (h) {
             var r = Crypto.util.hexToBytes(h);
 
             if (bitjs.compressed == true) {
@@ -4362,7 +4383,7 @@
         }
 
         /* convert a wif key back to a private key */
-        bitjs.wif2privkey = function(wif) {
+        bitjs.wif2privkey = function (wif) {
             var compressed = false;
             var decode = B58.decode(wif);
             var key = decode.slice(0, decode.length - 4);
@@ -4378,7 +4399,7 @@
         }
 
         /* convert a wif to a pubkey */
-        bitjs.wif2pubkey = function(wif) {
+        bitjs.wif2pubkey = function (wif) {
             var compressed = bitjs.compressed;
             var r = bitjs.wif2privkey(wif);
             bitjs.compressed = r['compressed'];
@@ -4391,7 +4412,7 @@
         }
 
         /* convert a wif to a address */
-        bitjs.wif2address = function(wif) {
+        bitjs.wif2address = function (wif) {
             var r = bitjs.wif2pubkey(wif);
             return {
                 'address': bitjs.pubkey2address(r['pubkey']),
@@ -4400,7 +4421,7 @@
         }
 
         /* generate a public key from a private key */
-        bitjs.newPubkey = function(hash) {
+        bitjs.newPubkey = function (hash) {
             var privateKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(hash));
             var curve = EllipticCurve.getSECCurveByName("secp256k1");
 
@@ -4426,7 +4447,7 @@
         }
 
         /* provide a public key and return address */
-        bitjs.pubkey2address = function(h, byte) {
+        bitjs.pubkey2address = function (h, byte) {
             var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
                 asBytes: true
             }));
@@ -4440,7 +4461,7 @@
             return B58.encode(r.concat(checksum));
         }
 
-        bitjs.transaction = function() {
+        bitjs.transaction = function () {
             var btrx = {};
             btrx.version = 2; //flochange look at this version
             btrx.inputs = [];
@@ -4449,7 +4470,7 @@
             btrx.floData = ""; //flochange .. look at this
 
 
-            btrx.addinput = function(txid, index, scriptPubKey, sequence) {
+            btrx.addinput = function (txid, index, scriptPubKey, sequence) {
                 var o = {};
                 o.outpoint = {
                     'hash': txid,
@@ -4461,7 +4482,7 @@
                 return this.inputs.push(o);
             }
 
-            btrx.addoutput = function(address, value) {
+            btrx.addoutput = function (address, value) {
                 var o = {};
                 var buf = [];
                 var addrDecoded = btrx.addressDecode(address);
@@ -4477,14 +4498,14 @@
             }
 
 
-            btrx.addflodata = function(txcomments) { // flochange - this whole function needs to be done
+            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) {
+            btrx.addressDecode = function (address) {
                 var bytes = B58.decode(address);
                 var front = bytes.slice(0, bytes.length - 4);
                 var back = bytes.slice(bytes.length - 4);
@@ -4499,7 +4520,7 @@
             }
 
             /* generate the transaction hash to sign from a transaction input */
-            btrx.transactionHash = function(index, sigHashType) {
+            btrx.transactionHash = function (index, sigHashType) {
 
                 var clone = bitjs.clone(this);
                 var shType = sigHashType || 1;
@@ -4581,7 +4602,7 @@
             }
 
             /* generate a signature from a transaction hash */
-            btrx.transactionSig = function(index, wif, sigHashType, txhash) {
+            btrx.transactionSig = function (index, wif, sigHashType, txhash) {
 
                 function serializeSig(r, s) {
                     var rBa = r.toByteArraySigned();
@@ -4637,7 +4658,7 @@
             }
 
             // https://tools.ietf.org/html/rfc6979#section-3.2
-            btrx.deterministicK = function(wif, hash, badrs) {
+            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
@@ -4720,7 +4741,7 @@
             };
 
             /* sign a "standard" input */
-            btrx.signinput = function(index, wif, sigHashType) {
+            btrx.signinput = function (index, wif, sigHashType) {
                 var key = bitjs.wif2pubkey(wif);
                 var shType = sigHashType || 1;
                 var signature = this.transactionSig(index, wif, shType);
@@ -4736,7 +4757,7 @@
             }
 
             /* sign inputs */
-            btrx.sign = function(wif, sigHashType) {
+            btrx.sign = function (wif, sigHashType) {
                 var shType = sigHashType || 1;
                 for (var i = 0; i < this.inputs.length; i++) {
                     this.signinput(i, wif, shType);
@@ -4746,7 +4767,7 @@
 
 
             /* serialize a transaction */
-            btrx.serialize = function() {
+            btrx.serialize = function () {
                 var buffer = [];
                 buffer = buffer.concat(bitjs.numToBytes(parseInt(this.version), 4));
 
@@ -4782,8 +4803,8 @@
                 } else if (floDataCount < 253) {
                     floDataCountString = floDataCount.toString(16);
                 } else if (floDataCount <= 1040) {
-                    floDataCountAdjusted = (floDataCount - 253) + parseInt("0xfd00fd");
-                    floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
+                    let floDataCountAdjusted = (floDataCount - 253) + parseInt("0xfd00fd");
+                    let floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
                     floDataCountString = floDataCountStringAdjusted.substr(0, 2) + floDataCountStringAdjusted.substr(4, 2) + floDataCountStringAdjusted.substr(2, 2);
                 } else {
                     floDataCountString = "Character Limit Exceeded";
@@ -4799,7 +4820,7 @@
 
         }
 
-        bitjs.numToBytes = function(num, bytes) {
+        bitjs.numToBytes = function (num, bytes) {
             if (typeof bytes === "undefined") bytes = 8;
             if (bytes == 0) {
                 return [];
@@ -4810,7 +4831,7 @@
             }
         }
 
-        bitjs.numToByteArray = function(num) {
+        bitjs.numToByteArray = function (num) {
             if (num <= 256) {
                 return [num];
             } else {
@@ -4818,7 +4839,7 @@
             }
         }
 
-        bitjs.numToVarInt = function(num) {
+        bitjs.numToVarInt = function (num) {
             if (num < 253) {
                 return [num];
             } else if (num < 65536) {
@@ -4830,14 +4851,14 @@
             }
         }
 
-        bitjs.bytesToNum = function(bytes) {
+        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;
+        bitjs.clone = function (obj) {
+            if (obj == null || typeof (obj) != 'object') return obj;
             var temp = new obj.constructor();
 
             for (var key in obj) {
@@ -4861,7 +4882,7 @@
              *
              * Ported to JavaScript by Stefan Thomas.
              */
-            encode: function(input) {
+            encode: function (input) {
                 var bi = BigInteger.fromByteArrayUnsigned(input);
                 var chars = [];
 
@@ -4890,7 +4911,7 @@
              *
              * Ported to JavaScript by Stefan Thomas.
              */
-            decode: function(input) {
+            decode: function (input) {
                 var bi = BigInteger.valueOf(0);
                 var leadingZerosNum = 0;
                 for (var i = input.length - 1; i >= 0; i--) {
@@ -4918,7 +4939,7 @@
     })();
 
     //Bitcoin.js
-    (function() {
+    (function () {
         /*
             Copyright (c) 2011 Stefan Thomas
         
@@ -4944,7 +4965,7 @@
              *
              * Ported to JavaScript by Stefan Thomas.
              */
-            encode: function(input) {
+            encode: function (input) {
                 var bi = BigInteger.fromByteArrayUnsigned(input);
                 var chars = [];
 
@@ -4973,7 +4994,7 @@
              *
              * Ported to JavaScript by Stefan Thomas.
              */
-            decode: function(input) {
+            decode: function (input) {
                 var bi = BigInteger.valueOf(0);
                 var leadingZerosNum = 0;
                 for (var i = input.length - 1; i >= 0; i--) {
@@ -4998,7 +5019,7 @@
         };
 
         //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
-        Bitcoin.Address = function(bytes) {
+        Bitcoin.Address = function (bytes) {
             if (GLOBAL.cryptocoin == "FLO")
                 this.version = 0x23; // FLO mainnet public address
             else if (GLOBAL.cryptocoin == "FLO_TEST")
@@ -5016,12 +5037,12 @@
          *
          * Returns the address as a base58-encoded string in the standardized format.
          */
-        Bitcoin.Address.prototype.toString = function() {
+        Bitcoin.Address.prototype.toString = function (version = null) {
             // Get a copy of the hash
             var hash = this.hash.slice(0);
 
             // Version
-            hash.unshift(this.version);
+            hash.unshift(version !== null ? version : this.version);
             var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
                 asBytes: true
             }), {
@@ -5031,14 +5052,14 @@
             return Bitcoin.Base58.encode(bytes);
         };
 
-        Bitcoin.Address.prototype.getHashBase64 = function() {
+        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) {
+        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, {
@@ -5061,7 +5082,7 @@
             return hash;
         };
         //https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
-        Bitcoin.ECDSA = (function() {
+        Bitcoin.ECDSA = (function () {
             var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
             var rng = new SecureRandom();
 
@@ -5094,12 +5115,12 @@
             };
 
             var ECDSA = {
-                getBigRandom: function(limit) {
+                getBigRandom: function (limit) {
                     return new BigInteger(limit.bitLength(), rng)
                         .mod(limit.subtract(BigInteger.ONE))
                         .add(BigInteger.ONE);
                 },
-                sign: function(hash, priv) {
+                sign: function (hash, priv) {
                     var d = priv;
                     var n = ecparams.getN();
                     var e = BigInteger.fromByteArrayUnsigned(hash);
@@ -5116,7 +5137,7 @@
                     return ECDSA.serializeSig(r, s);
                 },
 
-                verify: function(hash, sig, pubkey) {
+                verify: function (hash, sig, pubkey) {
                     var r, s;
                     if (Bitcoin.Util.isArray(sig)) {
                         var obj = ECDSA.parseSig(sig);
@@ -5130,7 +5151,7 @@
                     }
 
                     var Q;
-                    if (pubkey instanceof ec.PointFp) {
+                    if (pubkey instanceof EllipticCurve.PointFp) {
                         Q = pubkey;
                     } else if (Bitcoin.Util.isArray(pubkey)) {
                         Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
@@ -5142,7 +5163,7 @@
                     return ECDSA.verifyRaw(e, r, s, Q);
                 },
 
-                verifyRaw: function(e, r, s, Q) {
+                verifyRaw: function (e, r, s, Q) {
                     var n = ecparams.getN();
                     var G = ecparams.getG();
 
@@ -5175,7 +5196,7 @@
                  *
                  * Takes two BigIntegers representing r and s and returns a byte array.
                  */
-                serializeSig: function(r, s) {
+                serializeSig: function (r, s) {
                     var rBa = r.toByteArraySigned();
                     var sBa = s.toByteArraySigned();
 
@@ -5204,7 +5225,7 @@
                  *   s: BigInteger
                  * }
                  */
-                parseSig: function(sig) {
+                parseSig: function (sig) {
                     var cursor;
                     if (sig[0] != 0x30)
                         throw new Error("Signature not a valid DERSequence");
@@ -5233,7 +5254,7 @@
                     };
                 },
 
-                parseSigCompact: function(sig) {
+                parseSigCompact: function (sig) {
                     if (sig.length !== 65) {
                         throw "Signature has the wrong length";
                     }
@@ -5264,7 +5285,7 @@
                  *
                  * http://www.secg.org/download/aid-780/sec1-v2.pdf
                  */
-                recoverPubKey: function(r, s, hash, i) {
+                recoverPubKey: function (r, s, hash, i) {
                     // The recovery parameter i has two bits.
                     i = i & 3;
 
@@ -5335,14 +5356,14 @@
                  * This function simply tries all four cases and returns the value
                  * that resulted in a successful pubkey recovery.
                  */
-                calcPubkeyRecoveryParam: function(address, r, s, hash) {
+                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) {}
+                        } catch (e) { }
                     }
                     throw "Unable to find valid recovery factor";
                 }
@@ -5350,11 +5371,11 @@
 
             return ECDSA;
         })();
-        Bitcoin.KeyPool = (function() {
-            var KeyPool = function() {
+        Bitcoin.KeyPool = (function () {
+            var KeyPool = function () {
                 this.keyArray = [];
 
-                this.push = function(item) {
+                this.push = function (item) {
                     if (item == null || item.priv == null) return;
                     var doAdd = true;
                     // prevent duplicates from being added to the array
@@ -5368,24 +5389,24 @@
                     if (doAdd) this.keyArray.push(item);
                 };
 
-                this.reset = function() {
+                this.reset = function () {
                     this.keyArray = [];
                 };
 
-                this.getArray = function() {
+                this.getArray = function () {
                     // copy array
                     return this.keyArray.slice(0);
                 };
 
-                this.setArray = function(ka) {
+                this.setArray = function (ka) {
                     this.keyArray = ka;
                 };
 
-                this.length = function() {
+                this.length = function () {
                     return this.keyArray.length;
                 };
 
-                this.toString = function() {
+                this.toString = function () {
                     var keyPoolString = "# = " + this.length() + "\n";
                     var pool = this.getArray();
                     for (var index in pool) {
@@ -5406,17 +5427,17 @@
             return new KeyPool();
         })();
 
-        Bitcoin.Bip38Key = (function() {
-            var Bip38 = function(address, encryptedKey) {
+        Bitcoin.Bip38Key = (function () {
+            var Bip38 = function (address, encryptedKey) {
                 this.address = address;
                 this.priv = encryptedKey;
             };
 
-            Bip38.prototype.getBitcoinAddress = function() {
+            Bip38.prototype.getBitcoinAddress = function () {
                 return this.address;
             };
 
-            Bip38.prototype.toString = function() {
+            Bip38.prototype.toString = function () {
                 return this.priv;
             };
 
@@ -5424,12 +5445,12 @@
         })();
 
         //https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
-        Bitcoin.ECKey = (function() {
+        Bitcoin.ECKey = (function () {
             var ECDSA = Bitcoin.ECDSA;
             var KeyPool = Bitcoin.KeyPool;
             var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
 
-            var ECKey = function(input) {
+            var ECKey = function (input) {
                 if (!input) {
                     // Generate new key
                     var n = ecparams.getN();
@@ -5444,9 +5465,8 @@
                     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 (((GLOBAL.cryptocoin == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
-                            ((GLOBAL.cryptocoin == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
+                        // This part is edited for FLO. FLO WIF are always compressed WIF (length of 52). 
+                        if ((/^[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{52}$/.test(input))) {
                             bytes = ECKey.decodeCompressedWalletImportFormat(input);
                             this.compressed = true;
                         } else if (ECKey.isHexFormat(input)) {
@@ -5513,7 +5533,7 @@
             /**
              * Set whether the public key should be returned compressed or not.
              */
-            ECKey.prototype.setError = function(err) {
+            ECKey.prototype.setError = function (err) {
                 this.error = err;
                 this.priv = null;
                 return this;
@@ -5522,7 +5542,7 @@
             /**
              * Set whether the public key should be returned compressed or not.
              */
-            ECKey.prototype.setCompressed = function(v) {
+            ECKey.prototype.setCompressed = function (v) {
                 this.compressed = !!v;
                 if (this.pubPoint) this.pubPoint.compressed = this.compressed;
                 return this;
@@ -5531,7 +5551,7 @@
             /*
              * Return public key as a byte array in DER encoding
              */
-            ECKey.prototype.getPub = function() {
+            ECKey.prototype.getPub = function () {
                 if (this.compressed) {
                     if (this.pubComp) return this.pubComp;
                     return this.pubComp = this.getPubPoint().getEncoded(1);
@@ -5544,7 +5564,7 @@
             /**
              * Return public point as ECPoint object.
              */
-            ECKey.prototype.getPubPoint = function() {
+            ECKey.prototype.getPubPoint = function () {
                 if (!this.pubPoint) {
                     this.pubPoint = ecparams.getG().multiply(this.priv);
                     this.pubPoint.compressed = this.compressed;
@@ -5552,7 +5572,7 @@
                 return this.pubPoint;
             };
 
-            ECKey.prototype.getPubKeyHex = function() {
+            ECKey.prototype.getPubKeyHex = function () {
                 if (this.compressed) {
                     if (this.pubKeyHexComp) return this.pubKeyHexComp;
                     return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
@@ -5568,7 +5588,7 @@
              * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
              * a byte array.
              */
-            ECKey.prototype.getPubKeyHash = function() {
+            ECKey.prototype.getPubKeyHash = function () {
                 if (this.compressed) {
                     if (this.pubKeyHashComp) return this.pubKeyHashComp;
                     return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
@@ -5578,7 +5598,7 @@
                 }
             };
 
-            ECKey.prototype.getBitcoinAddress = function() {
+            ECKey.prototype.getBitcoinAddress = function () {
                 var hash = this.getPubKeyHash();
                 var addr = new Bitcoin.Address(hash);
                 return addr.toString();
@@ -5587,7 +5607,7 @@
             /*
              * Takes a public point as a hex string or byte array
              */
-            ECKey.prototype.setPub = function(pub) {
+            ECKey.prototype.setPub = function (pub) {
                 // byte array
                 if (Bitcoin.Util.isArray(pub)) {
                     pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
@@ -5599,7 +5619,7 @@
             };
 
             // Sipa Private Key Wallet Import Format
-            ECKey.prototype.getBitcoinWalletImportFormat = function() {
+            ECKey.prototype.getBitcoinWalletImportFormat = function () {
                 var bytes = this.getBitcoinPrivateKeyByteArray();
                 if (bytes == null) return "";
                 bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
@@ -5615,16 +5635,16 @@
             };
 
             // Private Key Hex Format
-            ECKey.prototype.getBitcoinHexFormat = function() {
+            ECKey.prototype.getBitcoinHexFormat = function () {
                 return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
             };
 
             // Private Key Base64 Format
-            ECKey.prototype.getBitcoinBase64Format = function() {
+            ECKey.prototype.getBitcoinBase64Format = function () {
                 return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
             };
 
-            ECKey.prototype.getBitcoinPrivateKeyByteArray = function() {
+            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();
@@ -5633,7 +5653,7 @@
                 return bytes;
             };
 
-            ECKey.prototype.toString = function(format) {
+            ECKey.prototype.toString = function (format) {
                 format = format || "";
                 if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
                     return this.getBitcoinBase64Format();
@@ -5646,18 +5666,18 @@
                 }
             };
 
-            ECKey.prototype.sign = function(hash) {
+            ECKey.prototype.sign = function (hash) {
                 return ECDSA.sign(hash, this.priv);
             };
 
-            ECKey.prototype.verify = function(hash, sig) {
+            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) {
+            ECKey.decodeWalletImportFormat = function (privStr) {
                 var bytes = Bitcoin.Base58.decode(privStr);
                 var hash = bytes.slice(0, 33);
                 var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
@@ -5673,16 +5693,18 @@
 
                 }
                 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) {
+            ECKey.decodeCompressedWalletImportFormat = function (privStr) {
                 var bytes = Bitcoin.Base58.decode(privStr);
                 var hash = bytes.slice(0, 34);
                 var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
@@ -5697,21 +5719,23 @@
                     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) {
+            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) {
+            ECKey.isWalletImportFormat = function (key) {
                 key = key.toString();
                 return (ECKey.privateKeyPrefix == 0x80) ?
                     (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
@@ -5719,7 +5743,7 @@
             };
 
             // 52 characters base58
-            ECKey.isCompressedWalletImportFormat = function(key) {
+            ECKey.isCompressedWalletImportFormat = function (key) {
                 key = key.toString();
                 return (ECKey.privateKeyPrefix == 0x80) ?
                     (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
@@ -5727,19 +5751,19 @@
             };
 
             // 44 characters
-            ECKey.isBase64Format = function(key) {
+            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) {
+            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) {
+            ECKey.isMiniFormat = function (key) {
                 key = key.toString();
                 var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
                 var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
@@ -5759,13 +5783,13 @@
             /**
              * Cross-browser compatibility version of Array.isArray.
              */
-            isArray: Array.isArray || function(o) {
+            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) {
+            makeFilledArray: function (len, val) {
                 var array = [];
                 var i = 0;
                 while (i < len) {
@@ -5780,7 +5804,7 @@
              *
              * Returns a byte array.
              */
-            numToVarInt: function(i) {
+            numToVarInt: function (i) {
                 if (i < 0xfd) {
                     // unsigned char
                     return [i];
@@ -5798,7 +5822,7 @@
             /**
              * Parse a Bitcoin value byte array, returning a BigInteger.
              */
-            valueToBigInt: function(valueBuffer) {
+            valueToBigInt: function (valueBuffer) {
                 if (valueBuffer instanceof BigInteger) return valueBuffer;
 
                 // Prepend zero byte to prevent interpretation as negative integer
@@ -5816,7 +5840,7 @@
              * 900.99998888
              * 34.00
              */
-            formatValue: function(valueBuffer) {
+            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;
@@ -5832,7 +5856,7 @@
              * the parsed value back to the user to make sure we understood his input
              * correctly.
              */
-            parseValue: function(valueString) {
+            parseValue: function (valueString) {
                 // TODO: Detect other number formats (e.g. comma as decimal separator)
                 var valueComp = valueString.split('.');
                 var integralPart = valueComp[0];
@@ -5850,7 +5874,7 @@
              * Takes an arbitrary byte array as inputs and returns the hash as a byte
              * array.
              */
-            sha256ripe160: function(data) {
+            sha256ripe160: function (data) {
                 return ripemd160(Crypto.SHA256(data, {
                     asBytes: true
                 }), {
@@ -5858,7 +5882,7 @@
                 });
             },
             // double sha256
-            dsha256: function(data) {
+            dsha256: function (data) {
                 return Crypto.SHA256(Crypto.SHA256(data, {
                     asBytes: true
                 }), {
@@ -5866,7 +5890,7 @@
                 });
             },
             // duck typing method
-            hasMethods: function(obj /*, method list as strings */ ) {
+            hasMethods: function (obj /*, method list as strings */) {
                 var i = 1,
                     methodName;
                 while ((methodName = arguments[i++])) {
@@ -5880,15 +5904,15 @@
     })();
 
     //ellipticCurveEncryption.js
-    (function() {
-        (function(ellipticCurveType) {
+    (function () {
+        (function (ellipticCurveType) {
 
             //Defining Elliptic Encryption Object  
-            var ellipticEncryption = GLOBAL.ellipticCurveEncryption = function() {};
+            var ellipticEncryption = GLOBAL.ellipticCurveEncryption = function () { };
 
             ellipticEncryption.rng = new SecureRandom();
 
-            ellipticEncryption.getCurveParameters = function(curveName) {
+            ellipticEncryption.getCurveParameters = function (curveName) {
 
                 //Default is secp256k1
                 curveName = typeof curveName !== 'undefined' ? curveName : "secp256k1";
@@ -5916,38 +5940,38 @@
 
             ellipticEncryption.selectedCurve = ellipticEncryption.getCurveParameters(ellipticCurveType);
 
-            ellipticEncryption.get_curve = function() {
+            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) {
+            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() {
+            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() {
+            ellipticEncryption.senderRandom = function () {
                 var r = this.pick_rand();
                 return r.toString();
             };
 
-            ellipticEncryption.receiverRandom = function() {
+            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) {
+            ellipticEncryption.senderPublicString = function (senderPrivateKey) {
 
                 var senderKeyECData = {};
 
@@ -5963,7 +5987,7 @@
 
             //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) {
+            ellipticEncryption.receiverPublicString = function (receiverPublicKey) {
 
                 var receiverKeyECData = {};
 
@@ -5977,7 +6001,7 @@
                 return receiverKeyECData;
             }
 
-            ellipticEncryption.senderSharedKeyDerivation = function(receiverPublicStringXValue,
+            ellipticEncryption.senderSharedKeyDerivation = function (receiverPublicStringXValue,
                 receiverPublicStringYValue, senderPrivateKey) {
 
                 var senderDerivedKey = {};
@@ -5994,7 +6018,7 @@
                 return senderDerivedKey;
             }
 
-            ellipticEncryption.receiverSharedKeyDerivation = function(senderPublicStringXValue,
+            ellipticEncryption.receiverSharedKeyDerivation = function (senderPublicStringXValue,
                 senderPublicStringYValue, receiverPrivateKey) {
 
                 var receiverDerivedKey = {};
@@ -6014,8 +6038,2872 @@
         })("secp256k1");
     })();
 
+    //sha512.js
+    (function () {
+        /*
+            A JavaScript implementation of the SHA family of hashes, as defined in FIPS
+            PUB 180-2 as well as the corresponding HMAC implementation as defined in
+            FIPS PUB 198a
+           
+            Copyright Brian Turek 2008-2012
+            Distributed under the BSD License
+            See http://caligatio.github.com/jsSHA/ for more information
+           
+            Several functions taken from Paul Johnson
+           */
+        function n(a) {
+            throw a;
+        }
+        var q = null;
+
+        function s(a, b) {
+            this.a = a;
+            this.b = b
+        }
+
+        function u(a, b) {
+            var d = [],
+                h = (1 << b) - 1,
+                f = a.length * b,
+                g;
+            for (g = 0; g < f; g += b) d[g >>> 5] |= (a.charCodeAt(g / b) & h) << 32 - b - g % 32;
+            return {
+                value: d,
+                binLen: f
+            }
+        }
+
+        function x(a) {
+            var b = [],
+                d = a.length,
+                h, f;
+            0 !== d % 2 && n("String of HEX type must be in byte increments");
+            for (h = 0; h < d; h += 2) f = parseInt(a.substr(h, 2), 16), isNaN(f) && n("String of HEX type contains invalid characters"), b[h >>> 3] |= f << 24 - 4 * (h % 8);
+            return {
+                value: b,
+                binLen: 4 * d
+            }
+        }
+
+        function B(a) {
+            var b = [],
+                d = 0,
+                h, f, g, k, m; - 1 === a.search(/^[a-zA-Z0-9=+\/]+$/) && n("Invalid character in base-64 string");
+            h = a.indexOf("=");
+            a = a.replace(/\=/g, ""); - 1 !== h && h < a.length && n("Invalid '=' found in base-64 string");
+            for (f = 0; f < a.length; f += 4) {
+                m = a.substr(f, 4);
+                for (g = k = 0; g < m.length; g += 1) h = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(m[g]), k |= h << 18 - 6 * g;
+                for (g = 0; g < m.length - 1; g += 1) b[d >> 2] |= (k >>> 16 - 8 * g & 255) << 24 - 8 * (d % 4), d += 1
+            }
+            return {
+                value: b,
+                binLen: 8 * d
+            }
+        }
+
+        function E(a, b) {
+            var d = "",
+                h = 4 * a.length,
+                f, g;
+            for (f = 0; f < h; f += 1) g = a[f >>> 2] >>> 8 * (3 - f % 4), d += "0123456789abcdef".charAt(g >>> 4 & 15) + "0123456789abcdef".charAt(g & 15);
+            return b.outputUpper ? d.toUpperCase() : d
+        }
+
+        function F(a, b) {
+            var d = "",
+                h = 4 * a.length,
+                f, g, k;
+            for (f = 0; f < h; f += 3) {
+                k = (a[f >>> 2] >>> 8 * (3 - f % 4) & 255) << 16 | (a[f + 1 >>> 2] >>> 8 * (3 - (f + 1) % 4) & 255) << 8 | a[f + 2 >>> 2] >>> 8 * (3 - (f + 2) % 4) & 255;
+                for (g = 0; 4 > g; g += 1) d = 8 * f + 6 * g <= 32 * a.length ? d + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(k >>> 6 * (3 - g) & 63) : d + b.b64Pad
+            }
+            return d
+        }
+
+        function G(a) {
+            var b = {
+                outputUpper: !1,
+                b64Pad: "="
+            };
+            try {
+                a.hasOwnProperty("outputUpper") && (b.outputUpper = a.outputUpper), a.hasOwnProperty("b64Pad") && (b.b64Pad = a.b64Pad)
+            } catch (d) { }
+            "boolean" !== typeof b.outputUpper && n("Invalid outputUpper formatting option");
+            "string" !== typeof b.b64Pad && n("Invalid b64Pad formatting option");
+            return b
+        }
+
+        function H(a, b) {
+            var d = q,
+                d = new s(a.a, a.b);
+            return d = 32 >= b ? new s(d.a >>> b | d.b << 32 - b & 4294967295, d.b >>> b | d.a << 32 - b & 4294967295) : new s(d.b >>> b - 32 | d.a << 64 - b & 4294967295, d.a >>> b - 32 | d.b << 64 - b & 4294967295)
+        }
+
+        function I(a, b) {
+            var d = q;
+            return d = 32 >= b ? new s(a.a >>> b, a.b >>> b | a.a << 32 - b & 4294967295) : new s(0, a.a >>> b - 32)
+        }
+
+        function J(a, b, d) {
+            return new s(a.a & b.a ^ ~a.a & d.a, a.b & b.b ^ ~a.b & d.b)
+        }
+
+        function U(a, b, d) {
+            return new s(a.a & b.a ^ a.a & d.a ^ b.a & d.a, a.b & b.b ^ a.b & d.b ^ b.b & d.b)
+        }
+
+        function V(a) {
+            var b = H(a, 28),
+                d = H(a, 34);
+            a = H(a, 39);
+            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
+        }
+
+        function W(a) {
+            var b = H(a, 14),
+                d = H(a, 18);
+            a = H(a, 41);
+            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
+        }
+
+        function X(a) {
+            var b = H(a, 1),
+                d = H(a, 8);
+            a = I(a, 7);
+            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
+        }
+
+        function Y(a) {
+            var b = H(a, 19),
+                d = H(a, 61);
+            a = I(a, 6);
+            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
+        }
+
+        function Z(a, b) {
+            var d, h, f;
+            d = (a.b & 65535) + (b.b & 65535);
+            h = (a.b >>> 16) + (b.b >>> 16) + (d >>> 16);
+            f = (h & 65535) << 16 | d & 65535;
+            d = (a.a & 65535) + (b.a & 65535) + (h >>> 16);
+            h = (a.a >>> 16) + (b.a >>> 16) + (d >>> 16);
+            return new s((h & 65535) << 16 | d & 65535, f)
+        }
+
+        function aa(a, b, d, h) {
+            var f, g, k;
+            f = (a.b & 65535) + (b.b & 65535) + (d.b & 65535) + (h.b & 65535);
+            g = (a.b >>> 16) + (b.b >>> 16) + (d.b >>> 16) + (h.b >>> 16) + (f >>> 16);
+            k = (g & 65535) << 16 | f & 65535;
+            f = (a.a & 65535) + (b.a & 65535) + (d.a & 65535) + (h.a & 65535) + (g >>> 16);
+            g = (a.a >>> 16) + (b.a >>> 16) + (d.a >>> 16) + (h.a >>> 16) + (f >>> 16);
+            return new s((g & 65535) << 16 | f & 65535, k)
+        }
+
+        function ba(a, b, d, h, f) {
+            var g, k, m;
+            g = (a.b & 65535) + (b.b & 65535) + (d.b & 65535) + (h.b & 65535) + (f.b & 65535);
+            k = (a.b >>> 16) + (b.b >>> 16) + (d.b >>> 16) + (h.b >>> 16) + (f.b >>> 16) + (g >>> 16);
+            m = (k & 65535) << 16 | g & 65535;
+            g = (a.a & 65535) + (b.a & 65535) + (d.a & 65535) + (h.a & 65535) + (f.a & 65535) + (k >>> 16);
+            k = (a.a >>> 16) + (b.a >>> 16) + (d.a >>> 16) + (h.a >>> 16) + (f.a >>> 16) + (g >>> 16);
+            return new s((k & 65535) << 16 | g & 65535, m)
+        }
+
+        function $(a, b, d) {
+            var h, f, g, k, m, j, A, C, K, e, L, v, l, M, t, p, y, z, r, N, O, P, Q, R, c, S, w = [],
+                T, D;
+            "SHA-384" === d || "SHA-512" === d ? (L = 80, h = (b + 128 >>> 10 << 5) + 31, M = 32, t = 2, c = s, p = Z, y = aa, z = ba, r = X, N = Y, O = V, P = W, R = U, Q = J, S = [new c(1116352408, 3609767458), new c(1899447441, 602891725), new c(3049323471, 3964484399), new c(3921009573, 2173295548), new c(961987163, 4081628472), new c(1508970993, 3053834265), new c(2453635748, 2937671579), new c(2870763221, 3664609560), new c(3624381080, 2734883394), new c(310598401, 1164996542), new c(607225278, 1323610764),
+            new c(1426881987, 3590304994), new c(1925078388, 4068182383), new c(2162078206, 991336113), new c(2614888103, 633803317), new c(3248222580, 3479774868), new c(3835390401, 2666613458), new c(4022224774, 944711139), new c(264347078, 2341262773), new c(604807628, 2007800933), new c(770255983, 1495990901), new c(1249150122, 1856431235), new c(1555081692, 3175218132), new c(1996064986, 2198950837), new c(2554220882, 3999719339), new c(2821834349, 766784016), new c(2952996808, 2566594879), new c(3210313671, 3203337956), new c(3336571891,
+                1034457026), new c(3584528711, 2466948901), new c(113926993, 3758326383), new c(338241895, 168717936), new c(666307205, 1188179964), new c(773529912, 1546045734), new c(1294757372, 1522805485), new c(1396182291, 2643833823), new c(1695183700, 2343527390), new c(1986661051, 1014477480), new c(2177026350, 1206759142), new c(2456956037, 344077627), new c(2730485921, 1290863460), new c(2820302411, 3158454273), new c(3259730800, 3505952657), new c(3345764771, 106217008), new c(3516065817, 3606008344), new c(3600352804, 1432725776), new c(4094571909,
+                    1467031594), new c(275423344, 851169720), new c(430227734, 3100823752), new c(506948616, 1363258195), new c(659060556, 3750685593), new c(883997877, 3785050280), new c(958139571, 3318307427), new c(1322822218, 3812723403), new c(1537002063, 2003034995), new c(1747873779, 3602036899), new c(1955562222, 1575990012), new c(2024104815, 1125592928), new c(2227730452, 2716904306), new c(2361852424, 442776044), new c(2428436474, 593698344), new c(2756734187, 3733110249), new c(3204031479, 2999351573), new c(3329325298, 3815920427), new c(3391569614,
+                        3928383900), new c(3515267271, 566280711), new c(3940187606, 3454069534), new c(4118630271, 4000239992), new c(116418474, 1914138554), new c(174292421, 2731055270), new c(289380356, 3203993006), new c(460393269, 320620315), new c(685471733, 587496836), new c(852142971, 1086792851), new c(1017036298, 365543100), new c(1126000580, 2618297676), new c(1288033470, 3409855158), new c(1501505948, 4234509866), new c(1607167915, 987167468), new c(1816402316, 1246189591)
+            ], e = "SHA-384" === d ? [new c(3418070365, 3238371032), new c(1654270250, 914150663),
+            new c(2438529370, 812702999), new c(355462360, 4144912697), new c(1731405415, 4290775857), new c(41048885895, 1750603025), new c(3675008525, 1694076839), new c(1203062813, 3204075428)
+            ] : [new c(1779033703, 4089235720), new c(3144134277, 2227873595), new c(1013904242, 4271175723), new c(2773480762, 1595750129), new c(1359893119, 2917565137), new c(2600822924, 725511199), new c(528734635, 4215389547), new c(1541459225, 327033209)]) : n("Unexpected error in SHA-2 implementation");
+            a[b >>> 5] |= 128 << 24 - b % 32;
+            a[h] = b;
+            T = a.length;
+            for (v = 0; v <
+                T; v += M) {
+                b = e[0];
+                h = e[1];
+                f = e[2];
+                g = e[3];
+                k = e[4];
+                m = e[5];
+                j = e[6];
+                A = e[7];
+                for (l = 0; l < L; l += 1) w[l] = 16 > l ? new c(a[l * t + v], a[l * t + v + 1]) : y(N(w[l - 2]), w[l - 7], r(w[l - 15]), w[l - 16]), C = z(A, P(k), Q(k, m, j), S[l], w[l]), K = p(O(b), R(b, h, f)), A = j, j = m, m = k, k = p(g, C), g = f, f = h, h = b, b = p(C, K);
+                e[0] = p(b, e[0]);
+                e[1] = p(h, e[1]);
+                e[2] = p(f, e[2]);
+                e[3] = p(g, e[3]);
+                e[4] = p(k, e[4]);
+                e[5] = p(m, e[5]);
+                e[6] = p(j, e[6]);
+                e[7] = p(A, e[7])
+            }
+            "SHA-384" === d ? D = [e[0].a, e[0].b, e[1].a, e[1].b, e[2].a, e[2].b, e[3].a, e[3].b, e[4].a, e[4].b, e[5].a, e[5].b] : "SHA-512" === d ? D = [e[0].a, e[0].b,
+            e[1].a, e[1].b, e[2].a, e[2].b, e[3].a, e[3].b, e[4].a, e[4].b, e[5].a, e[5].b, e[6].a, e[6].b, e[7].a, e[7].b
+            ] : n("Unexpected error in SHA-2 implementation");
+            return D
+        }
+        GLOBAL.jsSHA = function (a, b, d) {
+            var h = q,
+                f = q,
+                g = 0,
+                k = [0],
+                m = 0,
+                j = q,
+                m = "undefined" !== typeof d ? d : 8;
+            8 === m || 16 === m || n("charSize must be 8 or 16");
+            "HEX" === b ? (0 !== a.length % 2 && n("srcString of HEX type must be in byte increments"), j = x(a), g = j.binLen, k = j.value) : "ASCII" === b || "TEXT" === b ? (j = u(a, m), g = j.binLen, k = j.value) : "B64" === b ? (j = B(a), g = j.binLen, k = j.value) : n("inputFormat must be HEX, TEXT, ASCII, or B64");
+            this.getHash = function (a, b, d) {
+                var e = q,
+                    m = k.slice(),
+                    j = "";
+                switch (b) {
+                    case "HEX":
+                        e = E;
+                        break;
+                    case "B64":
+                        e = F;
+                        break;
+                    default:
+                        n("format must be HEX or B64")
+                }
+                "SHA-384" ===
+                    a ? (q === h && (h = $(m, g, a)), j = e(h, G(d))) : "SHA-512" === a ? (q === f && (f = $(m, g, a)), j = e(f, G(d))) : n("Chosen SHA variant is not supported");
+                return j
+            };
+            this.getHMAC = function (a, b, d, e, f) {
+                var h, l, j, t, p, y = [],
+                    z = [],
+                    r = q;
+                switch (e) {
+                    case "HEX":
+                        h = E;
+                        break;
+                    case "B64":
+                        h = F;
+                        break;
+                    default:
+                        n("outputFormat must be HEX or B64")
+                }
+                "SHA-384" === d ? (j = 128, p = 384) : "SHA-512" === d ? (j = 128, p = 512) : n("Chosen SHA variant is not supported");
+                "HEX" === b ? (r = x(a), t = r.binLen, l = r.value) : "ASCII" === b || "TEXT" === b ? (r = u(a, m), t = r.binLen, l = r.value) : "B64" === b ? (r = B(a),
+                    t = r.binLen, l = r.value) : n("inputFormat must be HEX, TEXT, ASCII, or B64");
+                a = 8 * j;
+                b = j / 4 - 1;
+                j < t / 8 ? (l = $(l, t, d), l[b] &= 4294967040) : j > t / 8 && (l[b] &= 4294967040);
+                for (j = 0; j <= b; j += 1) y[j] = l[j] ^ 909522486, z[j] = l[j] ^ 1549556828;
+                d = $(z.concat($(y.concat(k), a + g, d)), a + p, d);
+                return h(d, G(f))
+            }
+        };
+    })();
+
+    //coin.js
+    (function () {
+        /*
+                Coinjs 0.01 beta by OutCast3k{at}gmail.com
+                A bitcoin framework.
+                http://github.com/OutCast3k/coinjs or http://coinb.in/coinjs
+        */
+        var coinjs = GLOBAL.coinjs = function () { };
+
+        /* public vars */
+        coinjs.pub = 0x00;
+        coinjs.priv = 0x80;
+        coinjs.multisig = 0x05;
+        coinjs.hdkey = {
+            'prv': 0x0488ade4,
+            'pub': 0x0488b21e
+        };
+        coinjs.bech32 = {
+            'charset': 'qpzry9x8gf2tvdw0s3jn54khce6mua7l',
+            'version': 0,
+            'hrp': 'bc'
+        };
+
+        coinjs.compressed = false;
+
+        /* other vars */
+        coinjs.developer = '33tht1bKDgZVxb39MnZsWa8oxHXHvUYE4G'; //bitcoin
+
+        /* bit(coinb.in) api vars 
+        coinjs.hostname = ((document.location.hostname.split(".")[(document.location.hostname.split(".")).length - 1]) == 'onion') ? 'coinbin3ravkwb24f7rmxx6w3snkjw45jhs5lxbh3yfeg3vpt6janwqd.onion' : 'coinb.in';
+        coinjs.host = ('https:' == document.location.protocol ? 'https://' : 'http://') + coinjs.hostname + '/api/';
+        coinjs.uid = '1';
+        coinjs.key = '12345678901234567890123456789012';
+        */
+
+        /* start of address functions */
+
+        /* generate a private and public keypair, with address and WIF address */
+        coinjs.newKeys = function (input) {
+            var privkey = (input) ? Crypto.SHA256(input) : this.newPrivkey();
+            var pubkey = this.newPubkey(privkey);
+            return {
+                'privkey': privkey,
+                'pubkey': pubkey,
+                'address': this.pubkey2address(pubkey),
+                'wif': this.privkey2wif(privkey),
+                'compressed': this.compressed
+            };
+        }
+
+        /* generate a new random private key */
+        coinjs.newPrivkey = function () {
+            var x = GLOBAL.location;
+            x += (GLOBAL.screen.height * GLOBAL.screen.width * GLOBAL.screen.colorDepth);
+            x += coinjs.random(64);
+            x += (GLOBAL.screen.availHeight * GLOBAL.screen.availWidth * GLOBAL.screen.pixelDepth);
+            x += navigator.language;
+            x += GLOBAL.history.length;
+            x += coinjs.random(64);
+            x += navigator.userAgent;
+            x += 'coinb.in';
+            x += (Crypto.util.randomBytes(64)).join("");
+            x += x.length;
+            var dateObj = new Date();
+            x += dateObj.getTimezoneOffset();
+            x += coinjs.random(64);
+            x += (document.getElementById("entropybucket")) ? document.getElementById("entropybucket").innerHTML : '';
+            x += x + '' + x;
+            var r = x;
+            for (let i = 0; i < (x).length / 25; i++) {
+                r = Crypto.SHA256(r.concat(x));
+            }
+            var checkrBigInt = new BigInteger(r);
+            var orderBigInt = new BigInteger("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141");
+            while (checkrBigInt.compareTo(orderBigInt) >= 0 || checkrBigInt.equals(BigInteger.ZERO) || checkrBigInt.equals(BigInteger.ONE)) {
+                r = Crypto.SHA256(r.concat(x));
+                checkrBigInt = new BigInteger(r);
+            }
+            return r;
+        }
+
+        /* generate a public key from a private key */
+        coinjs.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 (coinjs.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 */
+        coinjs.pubkey2address = function (h, byte) {
+            var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
+                asBytes: true
+            }));
+            r.unshift(byte || coinjs.pub);
+            var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = hash.slice(0, 4);
+            return coinjs.base58encode(r.concat(checksum));
+        }
+
+        /* provide a scripthash and return address */
+        coinjs.scripthash2address = function (h) {
+            var x = Crypto.util.hexToBytes(h);
+            x.unshift(coinjs.pub);
+            var r = x;
+            r = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = r.slice(0, 4);
+            return coinjs.base58encode(x.concat(checksum));
+        }
+
+        /* new multisig address, provide the pubkeys AND required signatures to release the funds */
+        coinjs.pubkeys2MultisigAddress = function (pubkeys, required) {
+            var s = coinjs.script();
+            s.writeOp(81 + (required * 1) - 1); //OP_1
+            for (var i = 0; i < pubkeys.length; ++i) {
+                s.writeBytes(Crypto.util.hexToBytes(pubkeys[i]));
+            }
+            s.writeOp(81 + pubkeys.length - 1); //OP_1 
+            s.writeOp(174); //OP_CHECKMULTISIG
+            var x = ripemd160(Crypto.SHA256(s.buffer, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            x.unshift(coinjs.multisig);
+            var r = x;
+            r = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = r.slice(0, 4);
+            var redeemScript = Crypto.util.bytesToHex(s.buffer);
+            var address = coinjs.base58encode(x.concat(checksum));
+
+            if (s.buffer.length > 520) { // too large
+                address = 'invalid';
+                redeemScript = 'invalid';
+            }
+
+            return {
+                'address': address,
+                'redeemScript': redeemScript,
+                'size': s.buffer.length
+            };
+        }
+
+        //Return a Bech32 address for the multisig. Format is same as above
+        coinjs.pubkeys2MultisigAddressBech32 = function (pubkeys, required) {
+            var r = coinjs.pubkeys2MultisigAddress(pubkeys, required);
+            var program = Crypto.SHA256(Crypto.util.hexToBytes(r.redeemScript), {
+                asBytes: true
+            });
+            var address = coinjs.bech32_encode(coinjs.bech32.hrp, [coinjs.bech32.version].concat(coinjs.bech32_convert(program, 8, 5, true)));
+            return {
+                'address': address,
+                'redeemScript': r.redeemScript,
+                'size': r.size
+            };
+        }
+
+        /* new time locked address, provide the pubkey and time necessary to unlock the funds.
+           when time is greater than 500000000, it should be a unix timestamp (seconds since epoch),
+           otherwise it should be the block height required before this transaction can be released. 
+
+           may throw a string on failure!
+        */
+        coinjs.simpleHodlAddress = function (pubkey, checklocktimeverify) {
+
+            if (checklocktimeverify < 0) {
+                throw "Parameter for OP_CHECKLOCKTIMEVERIFY is negative.";
+            }
+
+            var s = coinjs.script();
+            if (checklocktimeverify <= 16 && checklocktimeverify >= 1) {
+                s.writeOp(0x50 + checklocktimeverify); //OP_1 to OP_16 for minimal encoding
+            } else {
+                s.writeBytes(coinjs.numToScriptNumBytes(checklocktimeverify));
+            }
+            s.writeOp(177); //OP_CHECKLOCKTIMEVERIFY
+            s.writeOp(117); //OP_DROP
+            s.writeBytes(Crypto.util.hexToBytes(pubkey));
+            s.writeOp(172); //OP_CHECKSIG
+
+            var x = ripemd160(Crypto.SHA256(s.buffer, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            x.unshift(coinjs.multisig);
+            var r = x;
+            r = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = r.slice(0, 4);
+            var redeemScript = Crypto.util.bytesToHex(s.buffer);
+            var address = coinjs.base58encode(x.concat(checksum));
+
+            return {
+                'address': address,
+                'redeemScript': redeemScript
+            };
+        }
+
+        /* create a new segwit address */
+        coinjs.segwitAddress = function (pubkey) {
+            var keyhash = [0x00, 0x14].concat(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubkey), {
+                asBytes: true
+            }), {
+                asBytes: true
+            }));
+            var x = ripemd160(Crypto.SHA256(keyhash, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            x.unshift(coinjs.multisig);
+            var r = x;
+            r = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = r.slice(0, 4);
+            var address = coinjs.base58encode(x.concat(checksum));
+
+            return {
+                'address': address,
+                'type': 'segwit',
+                'redeemscript': Crypto.util.bytesToHex(keyhash)
+            };
+        }
+
+        /* create a new segwit bech32 encoded address */
+        coinjs.bech32Address = function (pubkey) {
+            var program = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubkey), {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var address = coinjs.bech32_encode(coinjs.bech32.hrp, [coinjs.bech32.version].concat(coinjs.bech32_convert(program, 8, 5, true)));
+            return {
+                'address': address,
+                'type': 'bech32',
+                'redeemscript': Crypto.util.bytesToHex(program)
+            };
+        }
+
+        coinjs.multisigBech32Address = function (raw_redeemscript) {
+            var program = Crypto.SHA256(Crypto.util.hexToBytes(raw_redeemscript), {
+                asBytes: true
+            });
+            var address = coinjs.bech32_encode(coinjs.bech32.hrp, [coinjs.bech32.version].concat(coinjs.bech32_convert(program, 8, 5, true)));
+            return {
+                'address': address,
+                'type': 'multisigBech32',
+                'redeemscript': Crypto.util.bytesToHex(program)
+            };
+        }
+
+        /* extract the redeemscript from a bech32 address */
+        coinjs.bech32redeemscript = function (address) {
+            var r = false;
+            var decode = coinjs.bech32_decode(address);
+            if (decode) {
+                decode.data.shift();
+                return Crypto.util.bytesToHex(coinjs.bech32_convert(decode.data, 5, 8, false));
+            }
+            return r;
+        }
+
+        /* provide a privkey and return an WIF  */
+        coinjs.privkey2wif = function (h) {
+            var r = Crypto.util.hexToBytes(h);
+
+            if (coinjs.compressed == true) {
+                r.push(0x01);
+            }
+
+            r.unshift(coinjs.priv);
+            var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = hash.slice(0, 4);
+
+            return coinjs.base58encode(r.concat(checksum));
+        }
+
+        /* convert a wif key back to a private key */
+        coinjs.wif2privkey = function (wif) {
+            var compressed = false;
+            var decode = coinjs.base58decode(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 */
+        coinjs.wif2pubkey = function (wif) {
+            var compressed = coinjs.compressed;
+            var r = coinjs.wif2privkey(wif);
+            coinjs.compressed = r['compressed'];
+            var pubkey = coinjs.newPubkey(r['privkey']);
+            coinjs.compressed = compressed;
+            return {
+                'pubkey': pubkey,
+                'compressed': r['compressed']
+            };
+        }
+
+        /* convert a wif to a address */
+        coinjs.wif2address = function (wif) {
+            var r = coinjs.wif2pubkey(wif);
+            return {
+                'address': coinjs.pubkey2address(r['pubkey']),
+                'compressed': r['compressed']
+            };
+        }
+
+        /* decode or validate an address and return the hash */
+        coinjs.addressDecode = function (addr) {
+            try {
+                var bytes = coinjs.base58decode(addr);
+                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 + "") {
+
+                    var o = {};
+                    o.bytes = front.slice(1);
+                    o.version = front[0];
+
+                    if (o.version == coinjs.pub) { // standard address
+                        o.type = 'standard';
+
+                    } else if (o.version == coinjs.multisig) { // multisig address
+                        o.type = 'multisig';
+
+                    } else if (o.version == coinjs.multisigBech32) { // multisigBech32 added
+                        o.type = 'multisigBech32';
+
+                    } else if (o.version == coinjs.priv) { // wifkey
+                        o.type = 'wifkey';
+
+                    } else if (o.version == 42) { // stealth address
+                        o.type = 'stealth';
+
+                        o.option = front[1];
+                        if (o.option != 0) {
+                            alert("Stealth Address option other than 0 is currently not supported!");
+                            return false;
+                        };
+
+                        o.scankey = Crypto.util.bytesToHex(front.slice(2, 35));
+                        o.n = front[35];
+
+                        if (o.n > 1) {
+                            alert("Stealth Multisig is currently not supported!");
+                            return false;
+                        };
+
+                        o.spendkey = Crypto.util.bytesToHex(front.slice(36, 69));
+                        o.m = front[69];
+                        o.prefixlen = front[70];
+
+                        if (o.prefixlen > 0) {
+                            alert("Stealth Address Prefixes are currently not supported!");
+                            return false;
+                        };
+                        o.prefix = front.slice(71);
+
+                    } else { // everything else
+                        o.type = 'other'; // address is still valid but unknown version
+                    }
+
+                    return o;
+                } else {
+                    throw "Invalid checksum";
+                }
+            } catch (e) {
+                let bech32rs = coinjs.bech32redeemscript(addr);
+                if (bech32rs && bech32rs.length == 40) {
+                    return {
+                        'type': 'bech32',
+                        'redeemscript': bech32rs
+                    };
+                } else if (bech32rs && bech32rs.length == 64) {
+                    return {
+                        'type': 'multisigBech32',
+                        'redeemscript': bech32rs
+                    };
+                } else {
+                    return false;
+                }
+            }
+        }
+
+        /* retreive the balance from a given address */
+        coinjs.addressBalance = function (address, callback) {
+            coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=addresses&request=bal&address=' + address + '&r=' + Math.random(), callback, "GET");
+        }
+
+        /* decompress an compressed public key */
+        coinjs.pubkeydecompress = function (pubkey) {
+            if ((typeof (pubkey) == 'string') && pubkey.match(/^[a-f0-9]+$/i)) {
+                var curve = EllipticCurve.getSECCurveByName("secp256k1");
+                try {
+                    var pt = curve.curve.decodePointHex(pubkey);
+                    var x = pt.getX().toBigInteger();
+                    var y = pt.getY().toBigInteger();
+
+                    var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
+                    publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
+                    publicKeyBytes.unshift(0x04);
+                    return Crypto.util.bytesToHex(publicKeyBytes);
+                } catch (e) {
+                    // console.log(e);
+                    return false;
+                }
+            }
+            return false;
+        }
+
+        coinjs.bech32_polymod = function (values) {
+            var chk = 1;
+            var BECH32_GENERATOR = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3];
+            for (var p = 0; p < values.length; ++p) {
+                var top = chk >> 25;
+                chk = (chk & 0x1ffffff) << 5 ^ values[p];
+                for (var i = 0; i < 5; ++i) {
+                    if ((top >> i) & 1) {
+                        chk ^= BECH32_GENERATOR[i];
+                    }
+                }
+            }
+            return chk;
+        }
+
+        coinjs.bech32_hrpExpand = function (hrp) {
+            var ret = [];
+            var p;
+            for (p = 0; p < hrp.length; ++p) {
+                ret.push(hrp.charCodeAt(p) >> 5);
+            }
+            ret.push(0);
+            for (p = 0; p < hrp.length; ++p) {
+                ret.push(hrp.charCodeAt(p) & 31);
+            }
+            return ret;
+        }
+
+        coinjs.bech32_verifyChecksum = function (hrp, data) {
+            return coinjs.bech32_polymod(coinjs.bech32_hrpExpand(hrp).concat(data)) === 1;
+        }
+
+        coinjs.bech32_createChecksum = function (hrp, data) {
+            var values = coinjs.bech32_hrpExpand(hrp).concat(data).concat([0, 0, 0, 0, 0, 0]);
+            var mod = coinjs.bech32_polymod(values) ^ 1;
+            var ret = [];
+            for (var p = 0; p < 6; ++p) {
+                ret.push((mod >> 5 * (5 - p)) & 31);
+            }
+            return ret;
+        }
+
+        coinjs.bech32_encode = function (hrp, data) {
+            var combined = data.concat(coinjs.bech32_createChecksum(hrp, data));
+            var ret = hrp + '1';
+            for (var p = 0; p < combined.length; ++p) {
+                ret += coinjs.bech32.charset.charAt(combined[p]);
+            }
+            return ret;
+        }
+
+        coinjs.bech32_decode = function (bechString) {
+            var p;
+            var has_lower = false;
+            var has_upper = false;
+            for (p = 0; p < bechString.length; ++p) {
+                if (bechString.charCodeAt(p) < 33 || bechString.charCodeAt(p) > 126) {
+                    return null;
+                }
+                if (bechString.charCodeAt(p) >= 97 && bechString.charCodeAt(p) <= 122) {
+                    has_lower = true;
+                }
+                if (bechString.charCodeAt(p) >= 65 && bechString.charCodeAt(p) <= 90) {
+                    has_upper = true;
+                }
+            }
+            if (has_lower && has_upper) {
+                return null;
+            }
+            bechString = bechString.toLowerCase();
+            var pos = bechString.lastIndexOf('1');
+            if (pos < 1 || pos + 7 > bechString.length || bechString.length > 90) {
+                return null;
+            }
+            var hrp = bechString.substring(0, pos);
+            var data = [];
+            for (p = pos + 1; p < bechString.length; ++p) {
+                var d = coinjs.bech32.charset.indexOf(bechString.charAt(p));
+                if (d === -1) {
+                    return null;
+                }
+                data.push(d);
+            }
+            if (!coinjs.bech32_verifyChecksum(hrp, data)) {
+                return null;
+            }
+            return {
+                hrp: hrp,
+                data: data.slice(0, data.length - 6)
+            };
+        }
+
+        coinjs.bech32_convert = function (data, inBits, outBits, pad) {
+            var value = 0;
+            var bits = 0;
+            var maxV = (1 << outBits) - 1;
+
+            var result = [];
+            for (var i = 0; i < data.length; ++i) {
+                value = (value << inBits) | data[i];
+                bits += inBits;
+
+                while (bits >= outBits) {
+                    bits -= outBits;
+                    result.push((value >> bits) & maxV);
+                }
+            }
+
+            if (pad) {
+                if (bits > 0) {
+                    result.push((value << (outBits - bits)) & maxV);
+                }
+            } else {
+                if (bits >= inBits) throw new Error('Excess padding');
+                if ((value << (outBits - bits)) & maxV) throw new Error('Non-zero padding');
+            }
+
+            return result;
+        }
+
+        coinjs.testdeterministicK = function () {
+            // https://github.com/bitpay/bitcore/blob/9a5193d8e94b0bd5b8e7f00038e7c0b935405a03/test/crypto/ecdsa.js
+            // Line 21 and 22 specify digest hash and privkey for the first 2 test vectors.
+            // Line 96-117 tells expected result.
+
+            var tx = coinjs.transaction();
+
+            var test_vectors = [{
+                'message': 'test data',
+                'privkey': 'fee0a1f7afebf9d2a5a80c0c98a31c709681cce195cbcd06342b517970c0be1e',
+                'k_bad00': 'fcce1de7a9bcd6b2d3defade6afa1913fb9229e3b7ddf4749b55c4848b2a196e',
+                'k_bad01': '727fbcb59eb48b1d7d46f95a04991fc512eb9dbf9105628e3aec87428df28fd8',
+                'k_bad15': '398f0e2c9f79728f7b3d84d447ac3a86d8b2083c8f234a0ffa9c4043d68bd258'
+            },
+            {
+                'message': 'Everything should be made as simple as possible, but not simpler.',
+                'privkey': '0000000000000000000000000000000000000000000000000000000000000001',
+                'k_bad00': 'ec633bd56a5774a0940cb97e27a9e4e51dc94af737596a0c5cbb3d30332d92a5',
+                'k_bad01': 'df55b6d1b5c48184622b0ead41a0e02bfa5ac3ebdb4c34701454e80aabf36f56',
+                'k_bad15': 'def007a9a3c2f7c769c75da9d47f2af84075af95cadd1407393dc1e26086ef87'
+            },
+            {
+                'message': 'Satoshi Nakamoto',
+                'privkey': '0000000000000000000000000000000000000000000000000000000000000002',
+                'k_bad00': 'd3edc1b8224e953f6ee05c8bbf7ae228f461030e47caf97cde91430b4607405e',
+                'k_bad01': 'f86d8e43c09a6a83953f0ab6d0af59fb7446b4660119902e9967067596b58374',
+                'k_bad15': '241d1f57d6cfd2f73b1ada7907b199951f95ef5ad362b13aed84009656e0254a'
+            },
+            {
+                'message': 'Diffie Hellman',
+                'privkey': '7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f',
+                'k_bad00': 'c378a41cb17dce12340788dd3503635f54f894c306d52f6e9bc4b8f18d27afcc',
+                'k_bad01': '90756c96fef41152ac9abe08819c4e95f16da2af472880192c69a2b7bac29114',
+                'k_bad15': '7b3f53300ab0ccd0f698f4d67db87c44cf3e9e513d9df61137256652b2e94e7c'
+            },
+            {
+                'message': 'Japan',
+                'privkey': '8080808080808080808080808080808080808080808080808080808080808080',
+                'k_bad00': 'f471e61b51d2d8db78f3dae19d973616f57cdc54caaa81c269394b8c34edcf59',
+                'k_bad01': '6819d85b9730acc876fdf59e162bf309e9f63dd35550edf20869d23c2f3e6d17',
+                'k_bad15': 'd8e8bae3ee330a198d1f5e00ad7c5f9ed7c24c357c0a004322abca5d9cd17847'
+            },
+            {
+                'message': 'Bitcoin',
+                'privkey': 'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140',
+                'k_bad00': '36c848ffb2cbecc5422c33a994955b807665317c1ce2a0f59c689321aaa631cc',
+                'k_bad01': '4ed8de1ec952a4f5b3bd79d1ff96446bcd45cabb00fc6ca127183e14671bcb85',
+                'k_bad15': '56b6f47babc1662c011d3b1f93aa51a6e9b5f6512e9f2e16821a238d450a31f8'
+            },
+            {
+                'message': 'i2FLPP8WEus5WPjpoHwheXOMSobUJVaZM1JPMQZq',
+                'privkey': 'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140',
+                'k_bad00': '6e9b434fcc6bbb081a0463c094356b47d62d7efae7da9c518ed7bac23f4e2ed6',
+                'k_bad01': 'ae5323ae338d6117ce8520a43b92eacd2ea1312ae514d53d8e34010154c593bb',
+                'k_bad15': '3eaa1b61d1b8ab2f1ca71219c399f2b8b3defa624719f1e96fe3957628c2c4ea'
+            },
+            {
+                'message': 'lEE55EJNP7aLrMtjkeJKKux4Yg0E8E1SAJnWTCEh',
+                'privkey': '3881e5286abc580bb6139fe8e83d7c8271c6fe5e5c2d640c1f0ed0e1ee37edc9',
+                'k_bad00': '5b606665a16da29cc1c5411d744ab554640479dd8abd3c04ff23bd6b302e7034',
+                'k_bad01': 'f8b25263152c042807c992eacd2ac2cc5790d1e9957c394f77ea368e3d9923bd',
+                'k_bad15': 'ea624578f7e7964ac1d84adb5b5087dd14f0ee78b49072aa19051cc15dab6f33'
+            },
+            {
+                'message': '2SaVPvhxkAPrayIVKcsoQO5DKA8Uv5X/esZFlf+y',
+                'privkey': '7259dff07922de7f9c4c5720d68c9745e230b32508c497dd24cb95ef18856631',
+                'k_bad00': '3ab6c19ab5d3aea6aa0c6da37516b1d6e28e3985019b3adb388714e8f536686b',
+                'k_bad01': '19af21b05004b0ce9cdca82458a371a9d2cf0dc35a813108c557b551c08eb52e',
+                'k_bad15': '117a32665fca1b7137a91c4739ac5719fec0cf2e146f40f8e7c21b45a07ebc6a'
+            },
+            {
+                'message': '00A0OwO2THi7j5Z/jp0FmN6nn7N/DQd6eBnCS+/b',
+                'privkey': '0d6ea45d62b334777d6995052965c795a4f8506044b4fd7dc59c15656a28f7aa',
+                'k_bad00': '79487de0c8799158294d94c0eb92ee4b567e4dc7ca18addc86e49d31ce1d2db6',
+                'k_bad01': '9561d2401164a48a8f600882753b3105ebdd35e2358f4f808c4f549c91490009',
+                'k_bad15': 'b0d273634129ff4dbdf0df317d4062a1dbc58818f88878ffdb4ec511c77976c0'
+            }
+            ];
+
+            var result_txt = '\n----------------------\nResults\n----------------------\n\n';
+
+            for (i = 0; i < test_vectors.length; i++) {
+                var hash = Crypto.SHA256(test_vectors[i]['message'].split('').map(function (c) {
+                    return c.charCodeAt(0);
+                }), {
+                    asBytes: true
+                });
+                var wif = coinjs.privkey2wif(test_vectors[i]['privkey']);
+
+                var KBigInt = tx.deterministicK(wif, hash);
+                var KBigInt0 = tx.deterministicK(wif, hash, 0);
+                var KBigInt1 = tx.deterministicK(wif, hash, 1);
+                var KBigInt15 = tx.deterministicK(wif, hash, 15);
+
+                var K = Crypto.util.bytesToHex(KBigInt.toByteArrayUnsigned());
+                var K0 = Crypto.util.bytesToHex(KBigInt0.toByteArrayUnsigned());
+                var K1 = Crypto.util.bytesToHex(KBigInt1.toByteArrayUnsigned());
+                var K15 = Crypto.util.bytesToHex(KBigInt15.toByteArrayUnsigned());
+
+                if (K != test_vectors[i]['k_bad00']) {
+                    result_txt += 'Failed Test #' + (i + 1) + '\n       K = ' + K + '\nExpected = ' + test_vectors[i]['k_bad00'] + '\n\n';
+                } else if (K0 != test_vectors[i]['k_bad00']) {
+                    result_txt += 'Failed Test #' + (i + 1) + '\n      K0 = ' + K0 + '\nExpected = ' + test_vectors[i]['k_bad00'] + '\n\n';
+                } else if (K1 != test_vectors[i]['k_bad01']) {
+                    result_txt += 'Failed Test #' + (i + 1) + '\n      K1 = ' + K1 + '\nExpected = ' + test_vectors[i]['k_bad01'] + '\n\n';
+                } else if (K15 != test_vectors[i]['k_bad15']) {
+                    result_txt += 'Failed Test #' + (i + 1) + '\n     K15 = ' + K15 + '\nExpected = ' + test_vectors[i]['k_bad15'] + '\n\n';
+                };
+            };
+
+            if (result_txt.length < 60) {
+                result_txt = 'All Tests OK!';
+            };
+
+            return result_txt;
+        };
+
+        /* start of hd functions, thanks bip32.org */
+        coinjs.hd = function (data) {
+
+            var r = {};
+
+            /* some hd value parsing */
+            r.parse = function () {
+
+                var bytes = [];
+
+                // some quick validation
+                if (typeof (data) == 'string') {
+                    var decoded = coinjs.base58decode(data);
+                    if (decoded.length == 82) {
+                        var checksum = decoded.slice(78, 82);
+                        var hash = Crypto.SHA256(Crypto.SHA256(decoded.slice(0, 78), {
+                            asBytes: true
+                        }), {
+                            asBytes: true
+                        });
+                        if (checksum[0] == hash[0] && checksum[1] == hash[1] && checksum[2] == hash[2] && checksum[3] == hash[3]) {
+                            bytes = decoded.slice(0, 78);
+                        }
+                    }
+                }
+
+                // actual parsing code
+                if (bytes && bytes.length > 0) {
+                    r.version = coinjs.uint(bytes.slice(0, 4), 4);
+                    r.depth = coinjs.uint(bytes.slice(4, 5), 1);
+                    r.parent_fingerprint = bytes.slice(5, 9);
+                    r.child_index = coinjs.uint(bytes.slice(9, 13), 4);
+                    r.chain_code = bytes.slice(13, 45);
+                    r.key_bytes = bytes.slice(45, 78);
+
+                    var c = coinjs.compressed; // get current default
+                    coinjs.compressed = true;
+
+                    if (r.key_bytes[0] == 0x00) {
+                        r.type = 'private';
+                        var privkey = (r.key_bytes).slice(1, 33);
+                        var privkeyHex = Crypto.util.bytesToHex(privkey);
+                        var pubkey = coinjs.newPubkey(privkeyHex);
+
+                        r.keys = {
+                            'privkey': privkeyHex,
+                            'pubkey': pubkey,
+                            'address': coinjs.pubkey2address(pubkey),
+                            'wif': coinjs.privkey2wif(privkeyHex)
+                        };
+
+                    } else if (r.key_bytes[0] == 0x02 || r.key_bytes[0] == 0x03) {
+                        r.type = 'public';
+                        var pubkeyHex = Crypto.util.bytesToHex(r.key_bytes);
+
+                        r.keys = {
+                            'pubkey': pubkeyHex,
+                            'address': coinjs.pubkey2address(pubkeyHex)
+                        };
+                    } else {
+                        r.type = 'invalid';
+                    }
+
+                    r.keys_extended = r.extend();
+
+                    coinjs.compressed = c; // reset to default
+                }
+
+                return r;
+            }
+
+            // extend prv/pub key
+            r.extend = function () {
+                var hd = coinjs.hd();
+                return hd.make({
+                    'depth': (this.depth * 1) + 1,
+                    'parent_fingerprint': this.parent_fingerprint,
+                    'child_index': this.child_index,
+                    'chain_code': this.chain_code,
+                    'privkey': this.keys.privkey,
+                    'pubkey': this.keys.pubkey
+                });
+            }
+
+            // derive from path
+            r.derive_path = function (path) {
+
+                if (path == 'm' || path == 'M' || path == 'm\'' || path == 'M\'') return this;
+
+                var p = path.split('/');
+                var hdp = coinjs.clone(this); // clone hd path
+
+                for (var i in p) {
+
+                    if (((i == 0) && c != 'm') || i == 'remove') {
+                        continue;
+                    }
+
+                    var c = p[i];
+
+                    var use_private = (c.length > 1) && (c[c.length - 1] == '\'');
+                    var child_index = parseInt(use_private ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
+                    if (use_private)
+                        child_index += 0x80000000;
+
+                    hdp = hdp.derive(child_index);
+                    var key = ((hdp.keys_extended.privkey) && hdp.keys_extended.privkey != '') ? hdp.keys_extended.privkey : hdp.keys_extended.pubkey;
+                    hdp = coinjs.hd(key);
+                }
+                return hdp;
+            }
+
+            // derive key from index
+            r.derive = function (i) {
+
+                i = (i) ? i : 0;
+                var blob = (Crypto.util.hexToBytes(this.keys.pubkey)).concat(coinjs.numToBytes(i, 4).reverse());
+
+                var j = new jsSHA(Crypto.util.bytesToHex(blob), 'HEX');
+                var hash = j.getHMAC(Crypto.util.bytesToHex(r.chain_code), "HEX", "SHA-512", "HEX");
+
+                var il = new BigInteger(hash.slice(0, 64), 16);
+                var ir = Crypto.util.hexToBytes(hash.slice(64, 128));
+
+                var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+                var curve = ecparams.getCurve();
+
+                var k, key, pubkey, o;
+
+                o = coinjs.clone(this);
+                o.chain_code = ir;
+                o.child_index = i;
+
+                if (this.type == 'private') {
+                    // derive key pair from from a xprv key
+                    k = il.add(new BigInteger([0].concat(Crypto.util.hexToBytes(this.keys.privkey)))).mod(ecparams.getN());
+                    key = Crypto.util.bytesToHex(k.toByteArrayUnsigned());
+
+                    pubkey = coinjs.newPubkey(key);
+
+                    o.keys = {
+                        'privkey': key,
+                        'pubkey': pubkey,
+                        'wif': coinjs.privkey2wif(key),
+                        'address': coinjs.pubkey2address(pubkey)
+                    };
+
+                } else if (this.type == 'public') {
+                    // derive xpub key from an xpub key
+                    q = ecparams.curve.decodePointHex(this.keys.pubkey);
+                    var curvePt = ecparams.getG().multiply(il).add(q);
+
+                    var x = curvePt.getX().toBigInteger();
+                    var y = curvePt.getY().toBigInteger();
+
+                    var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
+                    if (y.isEven()) {
+                        publicKeyBytesCompressed.unshift(0x02)
+                    } else {
+                        publicKeyBytesCompressed.unshift(0x03)
+                    }
+                    pubkey = Crypto.util.bytesToHex(publicKeyBytesCompressed);
+
+                    o.keys = {
+                        'pubkey': pubkey,
+                        'address': coinjs.pubkey2address(pubkey)
+                    }
+                } else {
+                    // fail
+                }
+
+                o.parent_fingerprint = (ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(r.keys.pubkey), {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                })).slice(0, 4);
+                o.keys_extended = o.extend();
+                return o;
+            }
+
+            // make a master hd xprv/xpub
+            r.master = function (pass) {
+                var seed = (pass) ? Crypto.SHA256(pass) : coinjs.newPrivkey();
+                var hasher = new jsSHA(seed, 'HEX');
+                var I = hasher.getHMAC("Bitcoin seed", "TEXT", "SHA-512", "HEX");
+
+                var privkey = Crypto.util.hexToBytes(I.slice(0, 64));
+                var chain = Crypto.util.hexToBytes(I.slice(64, 128));
+
+                var hd = coinjs.hd();
+                return hd.make({
+                    'depth': 0,
+                    'parent_fingerprint': [0, 0, 0, 0],
+                    'child_index': 0,
+                    'chain_code': chain,
+                    'privkey': I.slice(0, 64),
+                    'pubkey': coinjs.newPubkey(I.slice(0, 64))
+                });
+            }
+
+            // encode data to a base58 string
+            r.make = function (data) { // { (int) depth, (array) parent_fingerprint, (int) child_index, (byte array) chain_code, (hex str) privkey, (hex str) pubkey}
+                var k = [];
+
+                //depth
+                k.push(data.depth * 1);
+
+                //parent fingerprint
+                k = k.concat(data.parent_fingerprint);
+
+                //child index
+                k = k.concat((coinjs.numToBytes(data.child_index, 4)).reverse());
+
+                //Chain code
+                k = k.concat(data.chain_code);
+
+                var o = {}; // results
+
+                //encode xprv key
+                if (data.privkey) {
+                    var prv = (coinjs.numToBytes(coinjs.hdkey.prv, 4)).reverse();
+                    prv = prv.concat(k);
+                    prv.push(0x00);
+                    prv = prv.concat(Crypto.util.hexToBytes(data.privkey));
+                    var hash = Crypto.SHA256(Crypto.SHA256(prv, {
+                        asBytes: true
+                    }), {
+                        asBytes: true
+                    });
+                    var checksum = hash.slice(0, 4);
+                    var ret = prv.concat(checksum);
+                    o.privkey = coinjs.base58encode(ret);
+                }
+
+                //encode xpub key
+                if (data.pubkey) {
+                    var pub = (coinjs.numToBytes(coinjs.hdkey.pub, 4)).reverse();
+                    pub = pub.concat(k);
+                    pub = pub.concat(Crypto.util.hexToBytes(data.pubkey));
+                    var hash = Crypto.SHA256(Crypto.SHA256(pub, {
+                        asBytes: true
+                    }), {
+                        asBytes: true
+                    });
+                    var checksum = hash.slice(0, 4);
+                    var ret = pub.concat(checksum);
+                    o.pubkey = coinjs.base58encode(ret);
+                }
+                return o;
+            }
+
+            return r.parse();
+        }
+
+
+        /* start of script functions */
+        coinjs.script = function (data) {
+            var r = {};
+
+            if (!data) {
+                r.buffer = [];
+            } else if ("string" == typeof data) {
+                r.buffer = Crypto.util.hexToBytes(data);
+            } else if (coinjs.isArray(data)) {
+                r.buffer = data;
+            } else if (data instanceof coinjs.script) {
+                r.buffer = data.buffer;
+            } else {
+                r.buffer = data;
+            }
+
+            /* parse buffer array */
+            r.parse = function () {
+
+                var self = this;
+                r.chunks = [];
+                var i = 0;
+
+                function readChunk(n) {
+                    self.chunks.push(self.buffer.slice(i, i + n));
+                    i += n;
+                };
+
+                while (i < this.buffer.length) {
+                    var opcode = this.buffer[i++];
+                    if (opcode >= 0xF0) {
+                        opcode = (opcode << 8) | this.buffer[i++];
+                    }
+
+                    var len;
+                    if (opcode > 0 && opcode < 76) { //OP_PUSHDATA1
+                        readChunk(opcode);
+                    } else if (opcode == 76) { //OP_PUSHDATA1
+                        len = this.buffer[i++];
+                        readChunk(len);
+                    } else if (opcode == 77) { //OP_PUSHDATA2
+                        len = (this.buffer[i++] << 8) | this.buffer[i++];
+                        readChunk(len);
+                    } else if (opcode == 78) { //OP_PUSHDATA4
+                        len = (this.buffer[i++] << 24) | (this.buffer[i++] << 16) | (this.buffer[i++] << 8) | this.buffer[i++];
+                        readChunk(len);
+                    } else {
+                        this.chunks.push(opcode);
+                    }
+
+                    if (i < 0x00) {
+                        break;
+                    }
+                }
+
+                return true;
+            };
+
+            /* decode the redeemscript of a multisignature transaction */
+            r.decodeRedeemScript = function (script) {
+                var r = false;
+                try {
+                    var s = coinjs.script(Crypto.util.hexToBytes(script));
+                    if ((s.chunks.length >= 3) && s.chunks[s.chunks.length - 1] == 174) { //OP_CHECKMULTISIG
+                        r = {};
+                        r.signaturesRequired = s.chunks[0] - 80;
+                        var pubkeys = [];
+                        for (var i = 1; i < s.chunks.length - 2; i++) {
+                            pubkeys.push(Crypto.util.bytesToHex(s.chunks[i]));
+                        }
+                        r.pubkeys = pubkeys;
+                        var multi = coinjs.pubkeys2MultisigAddress(pubkeys, r.signaturesRequired);
+                        r.address = multi['address'];
+                        r.type = 'multisig__'; // using __ for now to differentiat from the other object .type == "multisig"
+                        var rs = Crypto.util.bytesToHex(s.buffer);
+                        r.redeemscript = rs;
+
+                    } else if ((s.chunks.length == 2) && (s.buffer[0] == 0 && s.buffer[1] == 20)) { // SEGWIT
+                        r = {};
+                        r.type = "segwit__";
+                        var rs = Crypto.util.bytesToHex(s.buffer);
+                        r.address = coinjs.pubkey2address(rs, coinjs.multisig);
+                        r.redeemscript = rs;
+
+                    } else if (s.chunks.length == 5 && s.chunks[1] == 177 && s.chunks[2] == 117 && s.chunks[4] == 172) {
+                        // ^ <unlocktime> OP_CHECKLOCKTIMEVERIFY OP_DROP <pubkey> OP_CHECKSIG ^
+                        r = {}
+                        r.pubkey = Crypto.util.bytesToHex(s.chunks[3]);
+                        r.checklocktimeverify = coinjs.bytesToNum(s.chunks[0].slice());
+                        r.address = coinjs.simpleHodlAddress(r.pubkey, r.checklocktimeverify).address;
+                        var rs = Crypto.util.bytesToHex(s.buffer);
+                        r.redeemscript = rs;
+                        r.type = "hodl__";
+                    }
+                } catch (e) {
+                    // console.log(e);
+                    r = false;
+                }
+                return r;
+            }
+
+            /* decode the redeemscript of a multisignature transaction for Bech32*/
+            r.decodeRedeemScriptBech32 = function (script) {
+                var r = false;
+                try {
+                    var s = coinjs.script(Crypto.util.hexToBytes(script));
+                    if ((s.chunks.length >= 3) && s.chunks[s.chunks.length - 1] == 174) { //OP_CHECKMULTISIG
+                        r = {};
+                        r.signaturesRequired = s.chunks[0] - 80;
+                        var pubkeys = [];
+                        for (var i = 1; i < s.chunks.length - 2; i++) {
+                            pubkeys.push(Crypto.util.bytesToHex(s.chunks[i]));
+                        }
+                        r.pubkeys = pubkeys;
+                        var multi = coinjs.pubkeys2MultisigAddressBech32(pubkeys, r.signaturesRequired);
+                        r.address = multi['address'];
+                        r.type = 'multisig__'; // using __ for now to differentiat from the other object .type == "multisig"
+                        var rs = Crypto.util.bytesToHex(s.buffer);
+                        r.redeemscript = rs;
+
+                    }
+
+                } catch (e) {
+                    // console.log(e);
+                    r = false;
+                }
+                return r;
+            }
+
+            /* create output script to spend */
+            r.spendToScript = function (address) {
+                var addr = coinjs.addressDecode(address);
+                var s = coinjs.script();
+                if (addr.type == "bech32" || addr.type == "multisigBech32") {
+                    s.writeOp(0);
+                    s.writeBytes(Crypto.util.hexToBytes(addr.redeemscript));
+                } else if (addr.version == coinjs.multisig) { // multisig address
+                    s.writeOp(169); //OP_HASH160
+                    s.writeBytes(addr.bytes);
+                    s.writeOp(135); //OP_EQUAL
+                } else { // regular address
+                    s.writeOp(118); //OP_DUP
+                    s.writeOp(169); //OP_HASH160
+                    s.writeBytes(addr.bytes);
+                    s.writeOp(136); //OP_EQUALVERIFY
+                    s.writeOp(172); //OP_CHECKSIG
+                }
+                return s;
+            }
+
+            /* geneate a (script) pubkey hash of the address - used for when signing */
+            r.pubkeyHash = function (address) {
+                var addr = coinjs.addressDecode(address);
+                var s = coinjs.script();
+                s.writeOp(118); //OP_DUP
+                s.writeOp(169); //OP_HASH160
+                s.writeBytes(addr.bytes);
+                s.writeOp(136); //OP_EQUALVERIFY
+                s.writeOp(172); //OP_CHECKSIG
+                return s;
+            }
+
+            /* write to buffer */
+            r.writeOp = function (op) {
+                this.buffer.push(op);
+                this.chunks.push(op);
+                return true;
+            }
+
+            /* write bytes to buffer */
+            r.writeBytes = function (data) {
+                if (data.length < 76) { //OP_PUSHDATA1
+                    this.buffer.push(data.length);
+                } else if (data.length <= 0xff) {
+                    this.buffer.push(76); //OP_PUSHDATA1
+                    this.buffer.push(data.length);
+                } else if (data.length <= 0xffff) {
+                    this.buffer.push(77); //OP_PUSHDATA2
+                    this.buffer.push(data.length & 0xff);
+                    this.buffer.push((data.length >>> 8) & 0xff);
+                } else {
+                    this.buffer.push(78); //OP_PUSHDATA4
+                    this.buffer.push(data.length & 0xff);
+                    this.buffer.push((data.length >>> 8) & 0xff);
+                    this.buffer.push((data.length >>> 16) & 0xff);
+                    this.buffer.push((data.length >>> 24) & 0xff);
+                }
+                this.buffer = this.buffer.concat(data);
+                this.chunks.push(data);
+                return true;
+            }
+
+            r.parse();
+            return r;
+        }
+
+        /* start of transaction functions */
+
+        /* create a new transaction object */
+        coinjs.transaction = function () {
+
+            var r = {};
+            r.version = 1;
+            r.lock_time = 0;
+            r.ins = [];
+            r.outs = [];
+            r.witness = false;
+            r.timestamp = null;
+            r.block = null;
+
+            /* add an input to a transaction */
+            r.addinput = function (txid, index, script, sequence) {
+                var o = {};
+                o.outpoint = {
+                    'hash': txid,
+                    'index': index
+                };
+                o.script = coinjs.script(script || []);
+                o.sequence = sequence || ((r.lock_time == 0) ? 4294967295 : 0);
+                return this.ins.push(o);
+            }
+
+            /* add an output to a transaction */
+            r.addoutput = function (address, value) {
+                var o = {};
+                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
+                var s = coinjs.script();
+                o.script = s.spendToScript(address);
+
+                return this.outs.push(o);
+            }
+
+            /* add two outputs for stealth addresses to a transaction */
+            r.addstealth = function (stealth, value) {
+                var ephemeralKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(coinjs.newPrivkey()));
+                var curve = EllipticCurve.getSECCurveByName("secp256k1");
+
+                var p = EllipticCurve.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
+                var a = BigInteger.ZERO;
+                var b = EllipticCurve.fromHex("7");
+                var calccurve = new EllipticCurve.CurveFp(p, a, b);
+
+                var ephemeralPt = curve.getG().multiply(ephemeralKeyBigInt);
+                var scanPt = calccurve.decodePointHex(stealth.scankey);
+                var sharedPt = scanPt.multiply(ephemeralKeyBigInt);
+                var stealthindexKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.SHA256(sharedPt.getEncoded(true), {
+                    asBytes: true
+                }));
+
+                var stealthindexPt = curve.getG().multiply(stealthindexKeyBigInt);
+                var spendPt = calccurve.decodePointHex(stealth.spendkey);
+                var addressPt = spendPt.add(stealthindexPt);
+
+                var sendaddress = coinjs.pubkey2address(Crypto.util.bytesToHex(addressPt.getEncoded(true)));
+
+
+                var OPRETBytes = [6].concat(Crypto.util.randomBytes(4)).concat(ephemeralPt.getEncoded(true)); // ephemkey data
+                var q = coinjs.script();
+                q.writeOp(106); // OP_RETURN
+                q.writeBytes(OPRETBytes);
+                v = {};
+                v.value = 0;
+                v.script = q;
+
+                this.outs.push(v);
+
+                var o = {};
+                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
+                var s = coinjs.script();
+                o.script = s.spendToScript(sendaddress);
+
+                return this.outs.push(o);
+            }
+
+            /* add data to a transaction */
+            r.adddata = function (data) {
+                var r = false;
+                if (((data.match(/^[a-f0-9]+$/gi)) && data.length < 160) && (data.length % 2) == 0) {
+                    var s = coinjs.script();
+                    s.writeOp(106); // OP_RETURN
+                    s.writeBytes(Crypto.util.hexToBytes(data));
+                    o = {};
+                    o.value = 0;
+                    o.script = s;
+                    return this.outs.push(o);
+                }
+                return r;
+            }
+
+            /* list unspent transactions */
+            r.listUnspent = function (address, callback) {
+                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=addresses&request=unspent&address=' + address + '&r=' + Math.random(), callback, "GET");
+            }
+
+            /* list transaction data */
+            r.getTransaction = function (txid, callback) {
+                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=bitcoin&request=gettransaction&txid=' + txid + '&r=' + Math.random(), callback, "GET");
+            }
+
+            /* add unspent to transaction */
+            r.addUnspent = function (address, callback, script, segwit, sequence) {
+                var self = this;
+                this.listUnspent(address, function (data) {
+                    var s = coinjs.script();
+                    var value = 0;
+                    var total = 0;
+                    var x = {};
+
+                    if (GLOBAL.DOMParser) {
+                        parser = new DOMParser();
+                        xmlDoc = parser.parseFromString(data, "text/xml");
+                    } else {
+                        xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
+                        xmlDoc.async = false;
+                        xmlDoc.loadXML(data);
+                    }
+
+                    var unspent = xmlDoc.getElementsByTagName("unspent")[0];
+
+                    if (unspent) {
+                        for (i = 1; i <= unspent.childElementCount; i++) {
+                            var u = xmlDoc.getElementsByTagName("unspent_" + i)[0]
+                            var txhash = (u.getElementsByTagName("tx_hash")[0].childNodes[0].nodeValue).match(/.{1,2}/g).reverse().join("") + '';
+                            var n = u.getElementsByTagName("tx_output_n")[0].childNodes[0].nodeValue;
+                            var scr = script || u.getElementsByTagName("script")[0].childNodes[0].nodeValue;
+
+                            if (segwit) { //also for MULTISIG_BECH32 (p2wsh-multisig)(script = raw_redeemscript; for p2wsh-multisig)
+                                /* this is a small hack to include the value with the redeemscript to make the signing procedure smoother. 
+                                It is not standard and removed during the signing procedure. */
+
+                                s = coinjs.script();
+                                s.writeBytes(Crypto.util.hexToBytes(script));
+                                s.writeOp(0);
+                                s.writeBytes(coinjs.numToBytes(u.getElementsByTagName("value")[0].childNodes[0].nodeValue * 1, 8));
+                                scr = Crypto.util.bytesToHex(s.buffer);
+                            }
+
+                            var seq = sequence || false;
+                            self.addinput(txhash, n, scr, seq);
+                            value += u.getElementsByTagName("value")[0].childNodes[0].nodeValue * 1;
+                            total++;
+                        }
+                    }
+
+                    x.result = xmlDoc.getElementsByTagName("result")[0].childNodes[0].nodeValue;
+                    x.unspent = unspent;
+                    x.value = value;
+                    x.total = total;
+                    x.response = xmlDoc.getElementsByTagName("response")[0].childNodes[0].nodeValue;
+
+                    return callback(x);
+                });
+            }
+
+            /* add unspent and sign */
+            r.addUnspentAndSign = function (wif, callback) {
+                var self = this;
+                var address = coinjs.wif2address(wif);
+                self.addUnspent(address['address'], function (data) {
+                    self.sign(wif);
+                    return callback(data);
+                });
+            }
+
+            /* broadcast a transaction */
+            r.broadcast = function (callback, txhex) {
+                var tx = txhex || this.serialize();
+                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=bitcoin&request=sendrawtransaction', callback, "POST", ["rawtx=" + tx]);
+            }
+
+            /* generate the transaction hash to sign from a transaction input */
+            r.transactionHash = function (index, sigHashType) {
+
+                var clone = coinjs.clone(this);
+                var shType = sigHashType || 1;
+
+                /* black out all other ins, except this one */
+                for (var i = 0; i < clone.ins.length; i++) {
+                    if (index != i) {
+                        clone.ins[i].script = coinjs.script();
+                    }
+                }
+
+                var extract = this.extractScriptKey(index);
+                clone.ins[index].script = coinjs.script(extract['script']);
+
+                if ((clone.ins) && clone.ins[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.outs = [];
+                        for (var i = 0; i < clone.ins.length; i++) {
+                            if (index != i) {
+                                clone.ins[i].sequence = 0;
+                            }
+                        }
+
+                    } else if (shType == 3) {
+
+                        //SIGHASH_SINGLE 0x03
+                        clone.outs.length = index + 1;
+
+                        for (var i = 0; i < index; i++) {
+                            clone.outs[i].value = -1;
+                            clone.outs[i].script.buffer = [];
+                        }
+
+                        for (var i = 0; i < clone.ins.length; i++) {
+                            if (index != i) {
+                                clone.ins[i].sequence = 0;
+                            }
+                        }
+
+                    } else if (shType >= 128) {
+                        //SIGHASH_ANYONECANPAY 0x80
+                        clone.ins = [clone.ins[index]];
+
+                        if (shType == 129) {
+                            // SIGHASH_ALL + SIGHASH_ANYONECANPAY
+
+                        } else if (shType == 130) {
+                            // SIGHASH_NONE + SIGHASH_ANYONECANPAY
+                            clone.outs = [];
+
+                        } else if (shType == 131) {
+                            // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
+                            clone.outs.length = index + 1;
+                            for (var i = 0; i < index; i++) {
+                                clone.outs[i].value = -1;
+                                clone.outs[i].script.buffer = [];
+                            }
+                        }
+                    }
+
+                    var buffer = Crypto.util.hexToBytes(clone.serialize());
+                    buffer = buffer.concat(coinjs.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 segwit transaction hash to sign from a transaction input */
+            r.transactionHashSegWitV0 = function (index, sigHashType) {
+                /* 
+                   Notice: coinb.in by default, deals with segwit transactions in a non-standard way.
+                   Segwit transactions require that input values are included in the transaction hash.
+                   To save wasting resources and potentially slowing down this service, we include the amount with the 
+                   redeem script to generate the transaction hash and remove it after its signed.
+                */
+
+                // start redeem script check
+                var extract = this.extractScriptKey(index);
+                if (extract['type'] != 'segwit' && extract['type'] != 'multisig_bech32') {
+                    return {
+                        'result': 0,
+                        'fail': 'redeemscript',
+                        'response': 'redeemscript missing or not valid for segwit'
+                    };
+                }
+
+                if (extract['value'] == -1) {
+                    return {
+                        'result': 0,
+                        'fail': 'value',
+                        'response': 'unable to generate a valid segwit hash without a value'
+                    };
+                }
+
+                var scriptcode = Crypto.util.hexToBytes(extract['script']);
+
+                // end of redeem script check
+
+                /* P2WPKH */
+                if (scriptcode.length == 20) {
+                    scriptcode = [0x00, 0x14].concat(scriptcode);
+                }
+
+                if (scriptcode.length == 22) {
+                    scriptcode = scriptcode.slice(1);
+                    scriptcode.unshift(25, 118, 169);
+                    scriptcode.push(136, 172);
+                } else if (scriptcode[0] > 80) {
+                    scriptcode.unshift(scriptcode.length)
+                }
+
+                var value = coinjs.numToBytes(extract['value'], 8);
+
+                // start
+
+                var zero = coinjs.numToBytes(0, 32);
+                var version = coinjs.numToBytes(parseInt(this.version), 4);
+
+                var bufferTmp = [];
+                if (!(sigHashType >= 80)) { // not sighash anyonecanpay 
+                    for (var i = 0; i < this.ins.length; i++) {
+                        bufferTmp = bufferTmp.concat(Crypto.util.hexToBytes(this.ins[i].outpoint.hash).reverse());
+                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.ins[i].outpoint.index, 4));
+                    }
+                }
+                var hashPrevouts = bufferTmp.length >= 1 ? Crypto.SHA256(Crypto.SHA256(bufferTmp, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                }) : zero;
+
+                var bufferTmp = [];
+                if (!(sigHashType >= 80) && sigHashType != 2 && sigHashType != 3) { // not sighash anyonecanpay & single & none
+                    for (var i = 0; i < this.ins.length; i++) {
+                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.ins[i].sequence, 4));
+                    }
+                }
+                var hashSequence = bufferTmp.length >= 1 ? Crypto.SHA256(Crypto.SHA256(bufferTmp, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                }) : zero;
+
+                var outpoint = Crypto.util.hexToBytes(this.ins[index].outpoint.hash).reverse();
+                outpoint = outpoint.concat(coinjs.numToBytes(this.ins[index].outpoint.index, 4));
+
+                var nsequence = coinjs.numToBytes(this.ins[index].sequence, 4);
+                var hashOutputs = zero;
+                var bufferTmp = [];
+                if (sigHashType != 2 && sigHashType != 3) { // not sighash single & none
+                    for (var i = 0; i < this.outs.length; i++) {
+                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.outs[i].value, 8));
+                        bufferTmp = bufferTmp.concat(coinjs.numToVarInt(this.outs[i].script.buffer.length));
+                        bufferTmp = bufferTmp.concat(this.outs[i].script.buffer);
+                    }
+                    hashOutputs = Crypto.SHA256(Crypto.SHA256(bufferTmp, {
+                        asBytes: true
+                    }), {
+                        asBytes: true
+                    });
+
+                } else if ((sigHashType == 2) && index < this.outs.length) { // is sighash single
+                    bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.outs[index].value, 8));
+                    bufferTmp = bufferTmp.concat(coinjs.numToVarInt(this.outs[i].script.buffer.length));
+                    bufferTmp = bufferTmp.concat(this.outs[index].script.buffer);
+                    hashOutputs = Crypto.SHA256(Crypto.SHA256(bufferTmp, {
+                        asBytes: true
+                    }), {
+                        asBytes: true
+                    });
+                }
+
+                var locktime = coinjs.numToBytes(this.lock_time, 4);
+                var sighash = coinjs.numToBytes(sigHashType, 4);
+
+                var buffer = [];
+                buffer = buffer.concat(version);
+                buffer = buffer.concat(hashPrevouts);
+                buffer = buffer.concat(hashSequence);
+                buffer = buffer.concat(outpoint);
+                buffer = buffer.concat(scriptcode);
+                buffer = buffer.concat(value);
+                buffer = buffer.concat(nsequence);
+                buffer = buffer.concat(hashOutputs);
+                buffer = buffer.concat(locktime);
+                buffer = buffer.concat(sighash);
+
+                var hash = Crypto.SHA256(buffer, {
+                    asBytes: true
+                });
+                return {
+                    'result': 1,
+                    'hash': Crypto.util.bytesToHex(Crypto.SHA256(hash, {
+                        asBytes: true
+                    })),
+                    'response': 'hash generated'
+                };
+            }
+
+            /* extract the scriptSig, used in the transactionHash() function */
+            r.extractScriptKey = function (index) {
+                if (this.ins[index]) {
+                    if ((this.ins[index].script.chunks.length == 5) && this.ins[index].script.chunks[4] == 172 && coinjs.isArray(this.ins[index].script.chunks[2])) { //OP_CHECKSIG
+                        // regular scriptPubkey (not signed)
+                        return {
+                            'type': 'scriptpubkey',
+                            'signed': 'false',
+                            'signatures': 0,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    } else if ((this.ins[index].script.chunks.length == 2) && this.ins[index].script.chunks[0][0] == 48 && this.ins[index].script.chunks[1].length == 5 && this.ins[index].script.chunks[1][1] == 177) { //OP_CHECKLOCKTIMEVERIFY
+                        // hodl script (signed)
+                        return {
+                            'type': 'hodl',
+                            'signed': 'true',
+                            'signatures': 1,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    } else if ((this.ins[index].script.chunks.length == 2) && this.ins[index].script.chunks[0][0] == 48) {
+                        // regular scriptPubkey (probably signed)
+                        return {
+                            'type': 'scriptpubkey',
+                            'signed': 'true',
+                            'signatures': 1,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    } else if (this.ins[index].script.chunks.length == 5 && this.ins[index].script.chunks[1] == 177) { //OP_CHECKLOCKTIMEVERIFY
+                        // hodl script (not signed)
+                        return {
+                            'type': 'hodl',
+                            'signed': 'false',
+                            'signatures': 0,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    } else if ((this.ins[index].script.chunks.length <= 3 && this.ins[index].script.chunks.length > 0) && ((this.ins[index].script.chunks[0].length == 22 && this.ins[index].script.chunks[0][0] == 0) || (this.ins[index].script.chunks[0].length == 20 && this.ins[index].script.chunks[1] == 0))) {
+                        var signed = ((this.witness[index]) && this.witness[index].length == 2) ? 'true' : 'false';
+                        var sigs = (signed == 'true') ? 1 : 0;
+                        var value = -1; // no value found
+                        if ((this.ins[index].script.chunks[2]) && this.ins[index].script.chunks[2].length == 8) {
+                            value = coinjs.bytesToNum(this.ins[index].script.chunks[2]); // value found encoded in transaction (THIS IS NON STANDARD)
+                        }
+                        return {
+                            'type': 'segwit',
+                            'signed': signed,
+                            'signatures': sigs,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.chunks[0]),
+                            'value': value
+                        };
+                    } else if (this.ins[index].script.chunks[0] == 0 && this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1][this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1].length - 1] == 174) { // OP_CHECKMULTISIG
+                        // multisig script, with signature(s) included
+                        var sigcount = 0;
+                        for (let i = 1; i < this.ins[index].script.chunks.length - 1; i++) {
+                            if (this.ins[index].script.chunks[i] != 0) {
+                                sigcount++;
+                            }
+                        }
+
+                        return {
+                            'type': 'multisig',
+                            'signed': 'true',
+                            'signatures': sigcount,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1])
+                        };
+                    } else if (this.ins[index].script.chunks[0] >= 80 && this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1] == 174) { // OP_CHECKMULTISIG
+                        // multisig script, without signature!
+                        return {
+                            'type': 'multisig',
+                            'signed': 'false',
+                            'signatures': 0,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    } else if (this.ins[index].script.chunks.length == 3 && this.ins[index].script.chunks[0][0] >= 80 && this.ins[index].script.chunks[0][this.ins[index].script.chunks[0].length - 1] == 174 && this.ins[index].script.chunks[1] == 0) { //OP_CHECKMULTISIG_BECH32
+                        // multisig bech32 script
+                        let last_index = this.ins[index].script.chunks.length - 1;
+                        var value = -1;
+                        if (last_index >= 2 && this.ins[index].script.chunks[last_index].length == 8) {
+                            value = coinjs.bytesToNum(this.ins[index].script.chunks[last_index]); // value found encoded in transaction (THIS IS NON STANDARD)
+                        }
+                        var sigcount = (!this.witness[index]) ? 0 : this.witness[index].length - 2;
+                        return {
+                            'type': 'multisig_bech32',
+                            'signed': 'false',
+                            'signatures': sigcount,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.chunks[0]),
+                            'value': value
+                        };
+                    } else if (this.ins[index].script.chunks.length == 0) {
+                        // empty
+                        //bech32 witness check
+                        var signed = ((this.witness[index]) && this.witness[index].length >= 2) ? 'true' : 'false';
+                        var sigs = (signed == 'true') ? (!this.witness[index][0] ? this.witness[index].length - 2 : 1) : 0;
+                        return {
+                            'type': 'empty',
+                            'signed': signed,
+                            'signatures': sigs,
+                            'script': ''
+                        };
+                    } else {
+                        // something else
+                        return {
+                            'type': 'unknown',
+                            'signed': 'false',
+                            'signatures': 0,
+                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
+                        };
+                    }
+                } else {
+                    return false;
+                }
+            }
+
+            /* generate a signature from a transaction hash */
+            r.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 = coinjs.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
+            r.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 = coinjs.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 */
+            r.signinput = function (index, wif, sigHashType) {
+                var key = coinjs.wif2pubkey(wif);
+                var shType = sigHashType || 1;
+                var signature = this.transactionSig(index, wif, shType);
+                var s = coinjs.script();
+                s.writeBytes(Crypto.util.hexToBytes(signature));
+                s.writeBytes(Crypto.util.hexToBytes(key['pubkey']));
+                this.ins[index].script = s;
+                return true;
+            }
+
+            /* signs a time locked / hodl input */
+            r.signhodl = function (index, wif, sigHashType) {
+                var shType = sigHashType || 1;
+                var signature = this.transactionSig(index, wif, shType);
+                var redeemScript = this.ins[index].script.buffer
+                var s = coinjs.script();
+                s.writeBytes(Crypto.util.hexToBytes(signature));
+                s.writeBytes(redeemScript);
+                this.ins[index].script = s;
+                return true;
+            }
+
+            r.signmultisig_bech32 = function (index, wif, sigHashType) {
+
+                function scriptListPubkey(redeemScript) {
+                    var r = {};
+                    for (var i = 1; i < redeemScript.chunks.length - 2; i++) {
+                        r[i] = Crypto.util.hexToBytes(coinjs.pubkeydecompress(Crypto.util.bytesToHex(redeemScript.chunks[i])));
+                    }
+                    return r;
+                }
+
+                function scriptListSigs(sigList) {
+                    let r = {};
+                    var c = 0;
+                    if (Array.isArray(sigList)) {
+                        for (let i = 1; i < sigList.length - 1; i++) {
+                            c++;
+                            r[c] = Crypto.util.hexToBytes(sigList[i]);
+                        }
+                    }
+                    return r;
+                }
+
+                var redeemScript = Crypto.util.bytesToHex(this.ins[index].script.chunks[0]); //redeemScript
+
+                if (!coinjs.isArray(this.witness)) {
+                    this.witness = new Array(this.ins.length);
+                    this.witness.fill([]);
+                }
+
+                var pubkeyList = scriptListPubkey(coinjs.script(redeemScript));
+                var sigsList = scriptListSigs(this.witness[index]);
+                let decode_rs = coinjs.script().decodeRedeemScriptBech32(redeemScript);
+
+                var shType = sigHashType || 1;
+                var txhash = this.transactionHashSegWitV0(index, shType);
+
+                if (txhash.result == 1 && decode_rs.pubkeys.includes(coinjs.wif2pubkey(wif)['pubkey'])) {
+
+                    var segwitHash = Crypto.util.hexToBytes(txhash.hash);
+                    var signature = Crypto.util.hexToBytes(this.transactionSig(index, wif, shType, segwitHash)); //CHECK THIS
+
+                    sigsList[coinjs.countObject(sigsList) + 1] = signature;
+
+                    var w = [];
+
+                    for (let x in pubkeyList) {
+                        for (let y in sigsList) {
+                            var sighash = this.transactionHashSegWitV0(index, sigsList[y].slice(-1)[0] * 1).hash
+                            sighash = Crypto.util.hexToBytes(sighash);
+                            if (coinjs.verifySignature(sighash, sigsList[y], pubkeyList[x])) {
+                                w.push((Crypto.util.bytesToHex(sigsList[y])))
+                            }
+                        }
+                    }
+
+                    // when enough signatures collected, remove any non standard data we store, i.e. input value
+                    if (w.length >= decode_rs.signaturesRequired) {
+                        this.ins[index].script = coinjs.script();
+                    }
+                    w.unshift(0);
+                    w.push(redeemScript);
+                    this.witness[index] = w;
+                }
+            }
+
+            /* sign a multisig input */
+            r.signmultisig = function (index, wif, sigHashType) {
+
+                function scriptListPubkey(redeemScript) {
+                    var r = {};
+                    for (var i = 1; i < redeemScript.chunks.length - 2; i++) {
+                        r[i] = Crypto.util.hexToBytes(coinjs.pubkeydecompress(Crypto.util.bytesToHex(redeemScript.chunks[i])));
+                    }
+                    return r;
+                }
+
+                function scriptListSigs(scriptSig) {
+                    var r = {};
+                    var c = 0;
+                    if (scriptSig.chunks[0] == 0 && scriptSig.chunks[scriptSig.chunks.length - 1][scriptSig.chunks[scriptSig.chunks.length - 1].length - 1] == 174) {
+                        for (var i = 1; i < scriptSig.chunks.length - 1; i++) {
+                            if (scriptSig.chunks[i] != 0) {
+                                c++;
+                                r[c] = scriptSig.chunks[i];
+                            }
+                        }
+                    }
+                    return r;
+                }
+
+                var redeemScript = (this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1] == 174) ? this.ins[index].script.buffer : this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1];
+
+                var pubkeyList = scriptListPubkey(coinjs.script(redeemScript));
+                var sigsList = scriptListSigs(this.ins[index].script);
+
+                var shType = sigHashType || 1;
+                var sighash = Crypto.util.hexToBytes(this.transactionHash(index, shType));
+                var signature = Crypto.util.hexToBytes(this.transactionSig(index, wif, shType));
+
+                sigsList[coinjs.countObject(sigsList) + 1] = signature;
+
+                var s = coinjs.script();
+
+                s.writeOp(0);
+
+                for (let x in pubkeyList) {
+                    for (let y in sigsList) {
+                        this.ins[index].script.buffer = redeemScript;
+                        sighash = Crypto.util.hexToBytes(this.transactionHash(index, sigsList[y].slice(-1)[0] * 1));
+                        if (coinjs.verifySignature(sighash, sigsList[y], pubkeyList[x])) {
+                            s.writeBytes(sigsList[y]);
+                        }
+                    }
+                }
+
+                s.writeBytes(redeemScript);
+                this.ins[index].script = s;
+                return true;
+            }
+
+            /* sign segwit input */
+            r.signsegwit = function (index, wif, sigHashType) {
+                var shType = sigHashType || 1;
+
+                var wif2 = coinjs.wif2pubkey(wif);
+                var segwit = coinjs.segwitAddress(wif2['pubkey']);
+                var bech32 = coinjs.bech32Address(wif2['pubkey']);
+
+                if ((segwit['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0])) || (bech32['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0]))) {
+                    var txhash = this.transactionHashSegWitV0(index, shType);
+
+                    if (txhash.result == 1) {
+
+                        var segwitHash = Crypto.util.hexToBytes(txhash.hash);
+                        var signature = this.transactionSig(index, wif, shType, segwitHash);
+
+                        // remove any non standard data we store, i.e. input value
+                        var script = coinjs.script();
+                        script.writeBytes(this.ins[index].script.chunks[0]);
+                        this.ins[index].script = script;
+
+                        if (!coinjs.isArray(this.witness)) {
+                            this.witness = new Array(this.ins.length);
+                            this.witness.fill([]);
+                        }
+
+                        this.witness[index] = ([signature, wif2['pubkey']]);
+
+                        // bech32, empty redeemscript
+                        if (bech32['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0])) {
+                            this.ins[index].script = coinjs.script();
+                        }
+
+                        /* attempt to reorder witness data as best as we can. 
+                           data can't be easily validated at this stage as 
+                           we dont have access to the inputs value and 
+                           making a web call will be too slow. */
+
+                        /*
+                        var witness_order = [];
+                        var witness_used = [];
+                        for (var i = 0; i < this.ins.length; i++) {
+                            for (var y = 0; y < this.witness.length; y++) {
+                                if (!witness_used.includes(y)) {
+                                    var sw = coinjs.segwitAddress(this.witness[y][1]);
+                                    var b32 = coinjs.bech32Address(this.witness[y][1]);
+                                    var rs = '';
+
+                                    if (this.ins[i].script.chunks.length >= 1) {
+                                        rs = Crypto.util.bytesToHex(this.ins[i].script.chunks[0]);
+                                    } else if (this.ins[i].script.chunks.length == 0) {
+                                        rs = b32['redeemscript'];
+                                    }
+
+                                    if ((sw['redeemscript'] == rs) || (b32['redeemscript'] == rs)) {
+                                        witness_order.push(this.witness[y]);
+                                        witness_used.push(y);
+
+                                        // bech32, empty redeemscript
+                                        if (b32['redeemscript'] == rs) {
+                                            this.ins[index].script = coinjs.script();
+                                        }
+                                        break;
+                                    }
+                                }
+                            }
+                        }
+
+                        this.witness = witness_order;
+                        */
+                    }
+                }
+                return true;
+            }
+
+            /* sign inputs */
+            r.sign = function (wif, sigHashType) {
+                var shType = sigHashType || 1;
+                for (var i = 0; i < this.ins.length; i++) {
+                    var d = this.extractScriptKey(i);
+
+                    var w2a = coinjs.wif2address(wif);
+                    var script = coinjs.script();
+                    var pubkeyHash = script.pubkeyHash(w2a['address']);
+
+                    if (((d['type'] == 'scriptpubkey' && d['script'] == Crypto.util.bytesToHex(pubkeyHash.buffer)) || d['type'] == 'empty') && d['signed'] == "false") {
+                        this.signinput(i, wif, shType);
+
+                    } else if (d['type'] == 'hodl' && d['signed'] == "false") {
+                        this.signhodl(i, wif, shType);
+
+                    } else if (d['type'] == 'multisig') {
+                        this.signmultisig(i, wif, shType);
+
+                    } else if (d['type'] == 'multisig_bech32' && d['signed'] == "false") {
+                        this.signmultisig_bech32(i, wif, shType);
+
+                    } else if (d['type'] == 'segwit') {
+                        this.signsegwit(i, wif, shType);
+
+                    } else {
+                        // could not sign
+                    }
+                }
+                return this.serialize();
+            }
+
+            /* serialize a transaction */
+            r.serialize = function () {
+                var buffer = [];
+                buffer = buffer.concat(coinjs.numToBytes(parseInt(this.version), 4));
+
+                if (coinjs.isArray(this.witness)) {
+                    buffer = buffer.concat([0x00, 0x01]);
+                }
+
+                buffer = buffer.concat(coinjs.numToVarInt(this.ins.length));
+                for (var i = 0; i < this.ins.length; i++) {
+                    var txin = this.ins[i];
+                    buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
+                    buffer = buffer.concat(coinjs.numToBytes(parseInt(txin.outpoint.index), 4));
+                    var scriptBytes = txin.script.buffer;
+                    buffer = buffer.concat(coinjs.numToVarInt(scriptBytes.length));
+                    buffer = buffer.concat(scriptBytes);
+                    buffer = buffer.concat(coinjs.numToBytes(parseInt(txin.sequence), 4));
+                }
+                buffer = buffer.concat(coinjs.numToVarInt(this.outs.length));
+
+                for (var i = 0; i < this.outs.length; i++) {
+                    var txout = this.outs[i];
+                    buffer = buffer.concat(coinjs.numToBytes(txout.value, 8));
+                    var scriptBytes = txout.script.buffer;
+                    buffer = buffer.concat(coinjs.numToVarInt(scriptBytes.length));
+                    buffer = buffer.concat(scriptBytes);
+                }
+
+                if ((coinjs.isArray(this.witness)) && this.witness.length >= 1) {
+                    for (var i = 0; i < this.witness.length; i++) {
+                        buffer = buffer.concat(coinjs.numToVarInt(this.witness[i].length));
+                        for (var x = 0; x < this.witness[i].length; x++) {
+                            buffer = buffer.concat(coinjs.numToVarInt(Crypto.util.hexToBytes(this.witness[i][x]).length));
+                            buffer = buffer.concat(Crypto.util.hexToBytes(this.witness[i][x]));
+                        }
+                    }
+                }
+
+                buffer = buffer.concat(coinjs.numToBytes(parseInt(this.lock_time), 4));
+                return Crypto.util.bytesToHex(buffer);
+            }
+
+            //Utility funtion added to directly compute signatures without transaction index
+            r.transactionSigNoIndex = function (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 = Crypto.util.hexToBytes(txhash);
+
+                if (hash) {
+                    var curve = EllipticCurve.getSECCurveByName("secp256k1");
+                    var key = coinjs.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;
+                }
+            }
+
+            /* deserialize a transaction */
+            r.deserialize = function (buffer) {
+                if (typeof buffer == "string") {
+                    buffer = Crypto.util.hexToBytes(buffer)
+                }
+
+                var pos = 0;
+                var witness = false;
+
+                var readAsInt = function (bytes) {
+                    if (bytes == 0) return 0;
+                    pos++;
+                    return buffer[pos - 1] + readAsInt(bytes - 1) * 256;
+                }
+
+                var readVarInt = function () {
+                    pos++;
+                    if (buffer[pos - 1] < 253) {
+                        return buffer[pos - 1];
+                    }
+                    return readAsInt(buffer[pos - 1] - 251);
+                }
+
+                var readBytes = function (bytes) {
+                    pos += bytes;
+                    return buffer.slice(pos - bytes, pos);
+                }
+
+                var readVarString = function () {
+                    var size = readVarInt();
+                    return readBytes(size);
+                }
+
+                var obj = new coinjs.transaction();
+                obj.version = readAsInt(4);
+
+                if (buffer[pos] == 0x00 && buffer[pos + 1] == 0x01) {
+                    // segwit transaction
+                    witness = true;
+                    obj.witness = [];
+                    pos += 2;
+                }
+
+                var ins = readVarInt();
+                for (var i = 0; i < ins; i++) {
+                    obj.ins.push({
+                        outpoint: {
+                            hash: Crypto.util.bytesToHex(readBytes(32).reverse()),
+                            index: readAsInt(4)
+                        },
+                        script: coinjs.script(readVarString()),
+                        sequence: readAsInt(4)
+                    });
+                }
+
+                var outs = readVarInt();
+                for (var i = 0; i < outs; i++) {
+                    obj.outs.push({
+                        value: coinjs.bytesToNum(readBytes(8)),
+                        script: coinjs.script(readVarString())
+                    });
+                }
+
+                if (witness == true) {
+                    for (i = 0; i < ins; ++i) {
+                        var count = readVarInt();
+                        var vector = [];
+                        if (!coinjs.isArray(obj.witness[i])) {
+                            obj.witness[i] = [];
+                        }
+                        for (var y = 0; y < count; y++) {
+                            var slice = readVarInt();
+                            pos += slice;
+                            obj.witness[i].push(Crypto.util.bytesToHex(buffer.slice(pos - slice, pos)));
+                        }
+                    }
+                }
+
+                obj.lock_time = readAsInt(4);
+                return obj;
+            }
+
+            r.size = function () {
+                return ((this.serialize()).length / 2).toFixed(0);
+            }
+
+            return r;
+        }
+
+        /* start of signature vertification functions */
+
+        coinjs.verifySignature = function (hash, sig, pubkey) {
+
+            function parseSig(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];
+
+                var r = BigInteger.fromByteArrayUnsigned(rBa);
+                var s = BigInteger.fromByteArrayUnsigned(sBa);
+
+                return {
+                    r: r,
+                    s: s
+                };
+            }
+
+            var r, s;
+
+            if (coinjs.isArray(sig)) {
+                var obj = 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 (coinjs.isArray(pubkey)) {
+                var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+                Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
+            } else {
+                throw "Invalid format for pubkey value, must be byte array";
+            }
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+
+            return coinjs.verifySignatureRaw(e, r, s, Q);
+        }
+
+        coinjs.verifySignatureRaw = function (e, r, s, Q) {
+            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+            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);
+
+            var point = G.multiply(u1).add(Q.multiply(u2));
+
+            var v = point.getX().toBigInteger().mod(n);
+
+            return v.equals(r);
+        }
+
+        /* start of privates functions */
+
+        /* base58 encode function */
+        coinjs.base58encode = function (buffer) {
+            var alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+            var base = BigInteger.valueOf(58);
+
+            var bi = BigInteger.fromByteArrayUnsigned(buffer);
+            var chars = [];
+
+            while (bi.compareTo(base) >= 0) {
+                var mod = bi.mod(base);
+                chars.unshift(alphabet[mod.intValue()]);
+                bi = bi.subtract(mod).divide(base);
+            }
+
+            chars.unshift(alphabet[bi.intValue()]);
+            for (var i = 0; i < buffer.length; i++) {
+                if (buffer[i] == 0x00) {
+                    chars.unshift(alphabet[0]);
+                } else break;
+            }
+            return chars.join('');
+        }
+
+        /* base58 decode function */
+        coinjs.base58decode = function (buffer) {
+            var alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+            var base = BigInteger.valueOf(58);
+            var validRegex = /^[1-9A-HJ-NP-Za-km-z]+$/;
+
+            var bi = BigInteger.valueOf(0);
+            var leadingZerosNum = 0;
+            for (var i = buffer.length - 1; i >= 0; i--) {
+                var alphaIndex = alphabet.indexOf(buffer[i]);
+                if (alphaIndex < 0) {
+                    throw "Invalid character";
+                }
+                bi = bi.add(BigInteger.valueOf(alphaIndex).multiply(base.pow(buffer.length - 1 - i)));
+
+                if (buffer[i] == "1") leadingZerosNum++;
+                else leadingZerosNum = 0;
+            }
+
+            var bytes = bi.toByteArrayUnsigned();
+            while (leadingZerosNum-- > 0) bytes.unshift(0);
+            return bytes;
+        }
+
+        /* raw ajax function to avoid needing bigger frame works like jquery, mootools etc */
+        coinjs.ajax = function (u, f, m, a) {
+            var x = false;
+            try {
+                x = new ActiveXObject('Msxml2.XMLHTTP')
+            } catch (e) {
+                try {
+                    x = new ActiveXObject('Microsoft.XMLHTTP')
+                } catch (e) {
+                    x = new XMLHttpRequest()
+                }
+            }
+
+            if (x == false) {
+                return false;
+            }
+
+            x.open(m, u, true);
+            x.onreadystatechange = function () {
+                if ((x.readyState == 4) && f)
+                    f(x.responseText);
+            };
+
+            if (m == 'POST') {
+                x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+            }
+
+            x.send(a);
+        }
+
+        /* clone an object */
+        coinjs.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] = coinjs.clone(obj[key]);
+                }
+            }
+            return temp;
+        }
+
+        coinjs.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(coinjs.numToBytes(Math.floor(num / 256), bytes - 1));
+            }
+        }
+
+        function scriptNumSize(i) {
+            return i > 0x7fffffff ? 5 :
+                i > 0x7fffff ? 4 :
+                    i > 0x7fff ? 3 :
+                        i > 0x7f ? 2 :
+                            i > 0x00 ? 1 :
+                                0;
+        }
+
+        coinjs.numToScriptNumBytes = function (_number) {
+            var value = Math.abs(_number);
+            var size = scriptNumSize(value);
+            var result = [];
+            for (var i = 0; i < size; ++i) {
+                result.push(0);
+            }
+            var negative = _number < 0;
+            for (i = 0; i < size; ++i) {
+                result[i] = value & 0xff;
+                value = Math.floor(value / 256);
+            }
+            if (negative) {
+                result[size - 1] |= 0x80;
+            }
+            return result;
+        }
+
+        coinjs.numToVarInt = function (num) {
+            if (num < 253) {
+                return [num];
+            } else if (num < 65536) {
+                return [253].concat(coinjs.numToBytes(num, 2));
+            } else if (num < 4294967296) {
+                return [254].concat(coinjs.numToBytes(num, 4));
+            } else {
+                return [255].concat(coinjs.numToBytes(num, 8));
+            }
+        }
+
+        coinjs.bytesToNum = function (bytes) {
+            if (bytes.length == 0) return 0;
+            else return bytes[0] + 256 * coinjs.bytesToNum(bytes.slice(1));
+        }
+
+        coinjs.uint = function (f, size) {
+            if (f.length < size)
+                throw new Error("not enough data");
+            var n = 0;
+            for (var i = 0; i < size; i++) {
+                n *= 256;
+                n += f[i];
+            }
+            return n;
+        }
+
+        coinjs.isArray = function (o) {
+            return Object.prototype.toString.call(o) === '[object Array]';
+        }
+
+        coinjs.countObject = function (obj) {
+            var count = 0;
+            var i;
+            for (i in obj) {
+                if (obj.hasOwnProperty(i)) {
+                    count++;
+                }
+            }
+            return count;
+        }
+
+        //Nine utility functions added for generating transaction hashes and verification of signatures
+        coinjs.changeEndianness = (string) => {
+            const result = [];
+            let len = string.length - 2;
+            while (len >= 0) {
+                result.push(string.substr(len, 2));
+                len -= 2;
+            }
+            return result.join('');
+        }
+
+        coinjs.getTransactionHash = function (transaction_in_hex, changeOutputEndianess) {
+            var x1, x2, x3, x4, x5;
+            x1 = Crypto.util.hexToBytes(transaction_in_hex);
+            x2 = Crypto.SHA256(x1);
+            x3 = Crypto.util.hexToBytes(x2);
+            x4 = Crypto.SHA256(x3);
+            x5 = coinjs.changeEndianness(x4);
+            if (changeOutputEndianess == true) { x5 = x5 } else if ((typeof changeOutputEndianess == 'undefined') || (changeOutputEndianess == false)) { x5 = x4 };
+            return x5;
+        }
+
+        coinjs.compressedToUncompressed = function (compressed) {
+            var t1, t2;
+            var curve = EllipticCurve.getSECCurveByName("secp256k1");
+            t1 = curve.curve.decodePointHex(compressed);
+            t2 = curve.curve.encodePointHex(t1);
+            return t2;
+        }
+
+        coinjs.uncompressedToCompressed = function (uncompressed) {
+            var t1, t2, t3;
+            t1 = uncompressed.charAt(uncompressed.length - 1)
+            t2 = parseInt(t1, 10);
+            //Check if the last digit is odd
+            if (t2 % 2 == 1) { t3 = "03"; } else { t3 = "02" };
+            return t3 + uncompressed.substr(2, 64);
+        }
+
+        coinjs.verifySignatureHex = function (hashHex, sigHex, pubHexCompressed) {
+            var h1, s1, p1, p2;
+            h1 = Crypto.util.hexToBytes(hashHex);
+            s1 = Crypto.util.hexToBytes(sigHex);
+            p1 = coinjs.compressedToUncompressed(pubHexCompressed);
+            p2 = Crypto.util.hexToBytes(p1);
+
+            return coinjs.verifySignature(h1, s1, p2);
+        }
+
+        coinjs.generateBitcoinSignature = function (private_key, hash, sighash_type_int = 1) {
+            var wif, tx1;
+            if (private_key.length < 60) { wif = private_key } else { wif = coinjs.privkey2wif(private_key) };
+            tx1 = coinjs.transaction();
+            return tx1.transactionSigNoIndex(wif, sighash_type_int, hash);
+        }
+
+        coinjs.dSHA256 = function (data) {
+            var t1, t2, t3;
+            t1 = Crypto.SHA256(Crypto.util.hexToBytes(data));
+            t2 = Crypto.util.hexToBytes(t1);
+            t3 = Crypto.SHA256(t2);
+            return t3;
+        }
+
+        coinjs.fromBitcoinAmountFormat = function (data) {
+            var x1, x2, x3;
+            x1 = coinjs.changeEndianness(data);
+            x2 = parseInt(x1, 16);
+            x3 = x2 / (10 ** 8);
+            return x3;
+        }
+
+        coinjs.toBitcoinAmountFormat = function (countBitcoin) {
+            var t2, t3, t4, t5;
+            t2 = countBitcoin * 10 ** 8;
+            t3 = t2.toString(16);
+            t4 = coinjs.changeEndianness(t3);
+            t5 = t4.padEnd(16, "0");
+            return t5;
+        }
+
+        coinjs.scriptcodeCreatorBasic = function (scriptpubkey) {
+            var t1, t2, t3, t4;
+            if (scriptpubkey.substr(0, 4) == "0014") {
+                //Scriptpubkey case
+                t1 = scriptpubkey.slice(2);
+                t2 = "1976a9" + t1 + "88ac";
+            } else {
+                //Redeemscript case
+                t3 = (scriptpubkey.length) / 2;
+                t4 = t3.toString(16);
+                t2 = t4 + scriptpubkey;
+            }
+            return t2;
+        }
+
+        coinjs.ripemd160sha256 = function (data) {
+            var t1, t2;
+
+            t1 = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(data), { asBytes: true }), { asBytes: true });
+            t2 = Crypto.util.bytesToHex(t1)
+            return t2;
+        }
+
+        coinjs.random = function (length) {
+            var r = "";
+            var l = length || 25;
+            var chars = "!$%^&*()_+{}:@~?><|\./;'#][=-abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+            for (let x = 0; x < l; x++) {
+                r += chars.charAt(Math.floor(Math.random() * 62));
+            }
+            return r;
+        }
+
+    })();
+
     //secrets.js
-    (function() {
+    (function () {
         //Shamir Secret Share by Alexander Stetsyuk - released under MIT License
 
         var SecretShare = GLOBAL.shamirSecretShare = {};
@@ -6036,14 +8924,14 @@
             ],
 
             // warning for insecure PRNG
-            warning: 'WARNING:\nA secure random number generator was not found.\nUsing Math.random(), which is NOT cryptographically strong!'
+            warning: 'WARNING:\nA secure random number generator was not found.\nUsing securedMathRandom(), which is NOT cryptographically strong!'
         };
 
         // Protected settings object
         var config = {};
 
         /** @expose **/
-        SecretShare.getConfig = function() {
+        SecretShare.getConfig = function () {
             return {
                 'bits': config.bits,
                 'unsafePRNG': config.unsafePRNG
@@ -6052,7 +8940,7 @@
 
         function init(bits) {
             if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                    defaults.maxBits)) {
+                defaults.maxBits)) {
                 throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
                     defaults.maxBits + ', inclusive.')
             }
@@ -6115,7 +9003,7 @@
 
             // node.js crypto.randomBytes()
             if (typeof require === 'function') {
-                return function(bits) {
+                return function (bits) {
                     var bytes = Math.ceil(bits / 8),
                         str = null;
 
@@ -6129,7 +9017,7 @@
             // browsers with window.crypto.getRandomValues()
             if (GLOBAL['crypto'] && typeof GLOBAL['crypto']['getRandomValues'] === 'function' && typeof GLOBAL['Uint32Array'] === 'function') {
                 crypto = GLOBAL['crypto'];
-                return function(bits) {
+                return function (bits) {
                     var elems = Math.ceil(bits / 32),
                         str = null,
                         arr = new GLOBAL['Uint32Array'](elems);
@@ -6150,13 +9038,13 @@
 
             var bitsPerNum = 32;
             var max = Math.pow(2, bitsPerNum) - 1;
-            return function(bits) {
+            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);
+                        arr[i] = Math.floor(securedMathRandom() * max + 1);
                     }
                     str = construct(bits, arr, 10, bitsPerNum);
                 }
@@ -6165,7 +9053,7 @@
         };
 
         // Warn about using insecure rng.
-        // Called when Math.random() is being used.
+        // Called when securedMathRandom() is being used.
         function warn() {
             GLOBAL['console']['warn'](defaults.warning);
             if (typeof GLOBAL['alert'] === 'function' && config.alert) {
@@ -6175,7 +9063,7 @@
 
         // Set the PRNG to use. If no RNG function is supplied, pick a default using getRNG()
         /** @expose **/
-        SecretShare.setRNG = function(rng, alert) {
+        SecretShare.setRNG = function (rng, alert) {
             if (!isInited()) {
                 this.init();
             }
@@ -6184,7 +9072,7 @@
 
             // 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) {
+                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."
                 )
@@ -6202,7 +9090,7 @@
 
         // Generates a random bits-length number string using the PRNG
         /** @expose **/
-        SecretShare.random = function(bits) {
+        SecretShare.random = function (bits) {
             if (!isSetRNG()) {
                 this.setRNG();
             }
@@ -6222,7 +9110,7 @@
         // 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 **/
-        SecretShare.share = function(secret, numShares, threshold, padLength, withoutPrefix) {
+        SecretShare.share = function (secret, numShares, threshold, padLength, withoutPrefix) {
             if (!isInited()) {
                 this.init();
             }
@@ -6293,7 +9181,7 @@
         // Note: no error-checking at this stage! If `secrets` is NOT
         // a NUMBER less than 2^bits-1, the output will be incorrect!
         /** @expose **/
-        SecretShare._getShares = function(secret, numShares, threshold) {
+        SecretShare._getShares = function (secret, numShares, threshold) {
             var shares = [];
             var coeffs = [secret];
 
@@ -6340,7 +9228,7 @@
 
             var bits = parseInt(share[0], 36);
             if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                    defaults.maxBits)) {
+                defaults.maxBits)) {
                 throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
                     defaults.maxBits + ', inclusive.')
             }
@@ -6415,14 +9303,14 @@
 
         // Combine `shares` Array into the original secret
         /** @expose **/
-        SecretShare.combine = function(shares) {
+        SecretShare.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 **/
-        SecretShare.newShare = function(id, shares) {
+        SecretShare.newShare = function (id, shares) {
             if (typeof id === 'string') {
                 id = parseInt(id, config.radix);
             }
@@ -6461,7 +9349,7 @@
                         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 */ ) %
+                    product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */) %
                         config.max;
                 }
 
@@ -6528,7 +9416,7 @@
         // Each character of the input string is represented by
         // `bytesPerChar` bytes in the output string.
         /** @expose **/
-        SecretShare.str2hex = function(str, bytesPerChar) {
+        SecretShare.str2hex = function (str, bytesPerChar) {
             if (typeof str !== 'string') {
                 throw new Error('Input must be a character string.');
             }
@@ -6562,7 +9450,7 @@
 
         // Converts a given HEX number string to a UTF16 character string.
         /** @expose **/
-        SecretShare.hex2str = function(str, bytesPerChar) {
+        SecretShare.hex2str = function (str, bytesPerChar) {
             if (typeof str !== 'string') {
                 throw new Error('Input must be a hexadecimal string.');
             }
@@ -6588,30 +9476,20 @@
     })();
 
     //kbucket.js
-    (function() {
-        const getRandomValues = function(buf) {
-            if (typeof require === 'function') {
-                var bytes = require('crypto').randomBytes(buf.length);
-                buf.set(bytes)
-                return buf;
-            } else if (GLOBAL.crypto && GLOBAL.crypto.getRandomValues)
-                return GLOBAL.crypto.getRandomValues(buf);
-            else
-                return null;
-        }
+    (function () {
         // Kademlia DHT K-bucket implementation as a binary tree.
         // by 'Tristan Slominski' under 'MIT License'
         GLOBAL.BuildKBucket = function KBucket(options = {}) {
             if (!(this instanceof KBucket))
                 return new KBucket(options);
-            this.localNodeId = options.localNodeId || getRandomValues(new Uint8Array(20))
+            this.localNodeId = options.localNodeId || getRandomBytes(new Uint8Array(20))
             this.numberOfNodesPerKBucket = options.numberOfNodesPerKBucket || 20
             this.numberOfNodesToPing = options.numberOfNodesToPing || 3
             this.distance = options.distance || this.distance
             this.arbiter = options.arbiter || this.arbiter
             this.metadata = Object.assign({}, options.metadata)
 
-            this.createNode = function() {
+            this.createNode = function () {
                 return {
                     contacts: [],
                     dontSplit: false,
@@ -6620,12 +9498,12 @@
                 }
             }
 
-            this.ensureInt8 = function(name, val) {
+            this.ensureInt8 = function (name, val) {
                 if (!(val instanceof Uint8Array))
                     throw new TypeError(name + ' is not a Uint8Array')
             }
 
-            this.arrayEquals = function(array1, array2) {
+            this.arrayEquals = function (array1, array2) {
                 if (array1 === array2)
                     return true
                 if (array1.length !== array2.length)
@@ -6639,11 +9517,11 @@
             this.ensureInt8('option.localNodeId as parameter 1', this.localNodeId)
             this.root = this.createNode()
 
-            this.arbiter = function(incumbent, candidate) {
+            this.arbiter = function (incumbent, candidate) {
                 return incumbent.vectorClock > candidate.vectorClock ? incumbent : candidate
             }
 
-            this.distance = function(firstId, secondId) {
+            this.distance = function (firstId, secondId) {
                 let distance = 0
                 let i = 0
                 const min = Math.min(firstId.length, secondId.length)
@@ -6654,7 +9532,7 @@
                 return distance
             }
 
-            this.add = function(contact) {
+            this.add = function (contact) {
                 this.ensureInt8('contact.id', (contact || {}).id)
                 let bitIndex = 0
                 let node = this.root
@@ -6675,7 +9553,7 @@
                 return this.add(contact)
             }
 
-            this.closest = function(id, n = Infinity) {
+            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')
@@ -6696,7 +9574,7 @@
                     .map(a => a[1])
             }
 
-            this.count = function() {
+            this.count = function () {
                 let count = 0
                 for (const nodes = [this.root]; nodes.length > 0;) {
                     const node = nodes.pop()
@@ -6708,7 +9586,7 @@
                 return count
             }
 
-            this._determineNode = function(node, id, bitIndex) {
+            this._determineNode = function (node, id, bitIndex) {
                 const bytesDescribedByBitIndex = bitIndex >> 3
                 const bitIndexWithinByte = bitIndex % 8
                 if ((id.length <= bytesDescribedByBitIndex) && (bitIndexWithinByte !== 0))
@@ -6719,7 +9597,7 @@
                 return node.left
             }
 
-            this.get = function(id) {
+            this.get = function (id) {
                 this.ensureInt8('id', id)
                 let bitIndex = 0
                 let node = this.root
@@ -6729,14 +9607,14 @@
                 return index >= 0 ? node.contacts[index] : null
             }
 
-            this._indexOf = function(node, id) {
+            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
             }
 
-            this.remove = function(id) {
+            this.remove = function (id) {
                 this.ensureInt8('the id as parameter 1', id)
                 let bitIndex = 0
                 let node = this.root
@@ -6748,7 +9626,7 @@
                 return this
             }
 
-            this._split = function(node, bitIndex) {
+            this._split = function (node, bitIndex) {
                 node.left = this.createNode()
                 node.right = this.createNode()
                 for (const contact of node.contacts)
@@ -6759,7 +9637,7 @@
                 otherNode.dontSplit = true
             }
 
-            this.toArray = function() {
+            this.toArray = function () {
                 let result = []
                 for (const nodes = [this.root]; nodes.length > 0;) {
                     const node = nodes.pop()
@@ -6771,7 +9649,7 @@
                 return result
             }
 
-            this._update = function(node, index, contact) {
+            this._update = function (node, index, contact) {
                 if (!this.arrayEquals(node.contacts[index].id, contact.id))
                     throw new Error('wrong index for _update')
                 const incumbent = node.contacts[index]
@@ -6783,5 +9661,4 @@
         }
     })();
 
-
 })(typeof global !== "undefined" ? global : window);
\ No newline at end of file
diff --git a/scripts/lib_btc.js b/scripts/lib_btc.js
deleted file mode 100644
index 4543e51..0000000
--- a/scripts/lib_btc.js
+++ /dev/null
@@ -1,2883 +0,0 @@
-(function(GLOBAL) { //lib_btc v1.0.1
-    /* Utility Libraries required
-     * All credits for these codes belong to their respective creators, moderators and owners.
-     * For more info (including license and terms of use), please visit respective source.
-     */
-
-    //sha512.js
-    (function() {
-        /*
-        	A JavaScript implementation of the SHA family of hashes, as defined in FIPS
-        	PUB 180-2 as well as the corresponding HMAC implementation as defined in
-        	FIPS PUB 198a
-           
-        	Copyright Brian Turek 2008-2012
-        	Distributed under the BSD License
-        	See http://caligatio.github.com/jsSHA/ for more information
-           
-        	Several functions taken from Paul Johnson
-           */
-        function n(a) {
-            throw a;
-        }
-        var q = null;
-
-        function s(a, b) {
-            this.a = a;
-            this.b = b
-        }
-
-        function u(a, b) {
-            var d = [],
-                h = (1 << b) - 1,
-                f = a.length * b,
-                g;
-            for (g = 0; g < f; g += b) d[g >>> 5] |= (a.charCodeAt(g / b) & h) << 32 - b - g % 32;
-            return {
-                value: d,
-                binLen: f
-            }
-        }
-
-        function x(a) {
-            var b = [],
-                d = a.length,
-                h, f;
-            0 !== d % 2 && n("String of HEX type must be in byte increments");
-            for (h = 0; h < d; h += 2) f = parseInt(a.substr(h, 2), 16), isNaN(f) && n("String of HEX type contains invalid characters"), b[h >>> 3] |= f << 24 - 4 * (h % 8);
-            return {
-                value: b,
-                binLen: 4 * d
-            }
-        }
-
-        function B(a) {
-            var b = [],
-                d = 0,
-                h, f, g, k, m; - 1 === a.search(/^[a-zA-Z0-9=+\/]+$/) && n("Invalid character in base-64 string");
-            h = a.indexOf("=");
-            a = a.replace(/\=/g, ""); - 1 !== h && h < a.length && n("Invalid '=' found in base-64 string");
-            for (f = 0; f < a.length; f += 4) {
-                m = a.substr(f, 4);
-                for (g = k = 0; g < m.length; g += 1) h = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(m[g]), k |= h << 18 - 6 * g;
-                for (g = 0; g < m.length - 1; g += 1) b[d >> 2] |= (k >>> 16 - 8 * g & 255) << 24 - 8 * (d % 4), d += 1
-            }
-            return {
-                value: b,
-                binLen: 8 * d
-            }
-        }
-
-        function E(a, b) {
-            var d = "",
-                h = 4 * a.length,
-                f, g;
-            for (f = 0; f < h; f += 1) g = a[f >>> 2] >>> 8 * (3 - f % 4), d += "0123456789abcdef".charAt(g >>> 4 & 15) + "0123456789abcdef".charAt(g & 15);
-            return b.outputUpper ? d.toUpperCase() : d
-        }
-
-        function F(a, b) {
-            var d = "",
-                h = 4 * a.length,
-                f, g, k;
-            for (f = 0; f < h; f += 3) {
-                k = (a[f >>> 2] >>> 8 * (3 - f % 4) & 255) << 16 | (a[f + 1 >>> 2] >>> 8 * (3 - (f + 1) % 4) & 255) << 8 | a[f + 2 >>> 2] >>> 8 * (3 - (f + 2) % 4) & 255;
-                for (g = 0; 4 > g; g += 1) d = 8 * f + 6 * g <= 32 * a.length ? d + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(k >>> 6 * (3 - g) & 63) : d + b.b64Pad
-            }
-            return d
-        }
-
-        function G(a) {
-            var b = {
-                outputUpper: !1,
-                b64Pad: "="
-            };
-            try {
-                a.hasOwnProperty("outputUpper") && (b.outputUpper = a.outputUpper), a.hasOwnProperty("b64Pad") && (b.b64Pad = a.b64Pad)
-            } catch (d) {}
-            "boolean" !== typeof b.outputUpper && n("Invalid outputUpper formatting option");
-            "string" !== typeof b.b64Pad && n("Invalid b64Pad formatting option");
-            return b
-        }
-
-        function H(a, b) {
-            var d = q,
-                d = new s(a.a, a.b);
-            return d = 32 >= b ? new s(d.a >>> b | d.b << 32 - b & 4294967295, d.b >>> b | d.a << 32 - b & 4294967295) : new s(d.b >>> b - 32 | d.a << 64 - b & 4294967295, d.a >>> b - 32 | d.b << 64 - b & 4294967295)
-        }
-
-        function I(a, b) {
-            var d = q;
-            return d = 32 >= b ? new s(a.a >>> b, a.b >>> b | a.a << 32 - b & 4294967295) : new s(0, a.a >>> b - 32)
-        }
-
-        function J(a, b, d) {
-            return new s(a.a & b.a ^ ~a.a & d.a, a.b & b.b ^ ~a.b & d.b)
-        }
-
-        function U(a, b, d) {
-            return new s(a.a & b.a ^ a.a & d.a ^ b.a & d.a, a.b & b.b ^ a.b & d.b ^ b.b & d.b)
-        }
-
-        function V(a) {
-            var b = H(a, 28),
-                d = H(a, 34);
-            a = H(a, 39);
-            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
-        }
-
-        function W(a) {
-            var b = H(a, 14),
-                d = H(a, 18);
-            a = H(a, 41);
-            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
-        }
-
-        function X(a) {
-            var b = H(a, 1),
-                d = H(a, 8);
-            a = I(a, 7);
-            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
-        }
-
-        function Y(a) {
-            var b = H(a, 19),
-                d = H(a, 61);
-            a = I(a, 6);
-            return new s(b.a ^ d.a ^ a.a, b.b ^ d.b ^ a.b)
-        }
-
-        function Z(a, b) {
-            var d, h, f;
-            d = (a.b & 65535) + (b.b & 65535);
-            h = (a.b >>> 16) + (b.b >>> 16) + (d >>> 16);
-            f = (h & 65535) << 16 | d & 65535;
-            d = (a.a & 65535) + (b.a & 65535) + (h >>> 16);
-            h = (a.a >>> 16) + (b.a >>> 16) + (d >>> 16);
-            return new s((h & 65535) << 16 | d & 65535, f)
-        }
-
-        function aa(a, b, d, h) {
-            var f, g, k;
-            f = (a.b & 65535) + (b.b & 65535) + (d.b & 65535) + (h.b & 65535);
-            g = (a.b >>> 16) + (b.b >>> 16) + (d.b >>> 16) + (h.b >>> 16) + (f >>> 16);
-            k = (g & 65535) << 16 | f & 65535;
-            f = (a.a & 65535) + (b.a & 65535) + (d.a & 65535) + (h.a & 65535) + (g >>> 16);
-            g = (a.a >>> 16) + (b.a >>> 16) + (d.a >>> 16) + (h.a >>> 16) + (f >>> 16);
-            return new s((g & 65535) << 16 | f & 65535, k)
-        }
-
-        function ba(a, b, d, h, f) {
-            var g, k, m;
-            g = (a.b & 65535) + (b.b & 65535) + (d.b & 65535) + (h.b & 65535) + (f.b & 65535);
-            k = (a.b >>> 16) + (b.b >>> 16) + (d.b >>> 16) + (h.b >>> 16) + (f.b >>> 16) + (g >>> 16);
-            m = (k & 65535) << 16 | g & 65535;
-            g = (a.a & 65535) + (b.a & 65535) + (d.a & 65535) + (h.a & 65535) + (f.a & 65535) + (k >>> 16);
-            k = (a.a >>> 16) + (b.a >>> 16) + (d.a >>> 16) + (h.a >>> 16) + (f.a >>> 16) + (g >>> 16);
-            return new s((k & 65535) << 16 | g & 65535, m)
-        }
-
-        function $(a, b, d) {
-            var h, f, g, k, m, j, A, C, K, e, L, v, l, M, t, p, y, z, r, N, O, P, Q, R, c, S, w = [],
-                T, D;
-            "SHA-384" === d || "SHA-512" === d ? (L = 80, h = (b + 128 >>> 10 << 5) + 31, M = 32, t = 2, c = s, p = Z, y = aa, z = ba, r = X, N = Y, O = V, P = W, R = U, Q = J, S = [new c(1116352408, 3609767458), new c(1899447441, 602891725), new c(3049323471, 3964484399), new c(3921009573, 2173295548), new c(961987163, 4081628472), new c(1508970993, 3053834265), new c(2453635748, 2937671579), new c(2870763221, 3664609560), new c(3624381080, 2734883394), new c(310598401, 1164996542), new c(607225278, 1323610764),
-                new c(1426881987, 3590304994), new c(1925078388, 4068182383), new c(2162078206, 991336113), new c(2614888103, 633803317), new c(3248222580, 3479774868), new c(3835390401, 2666613458), new c(4022224774, 944711139), new c(264347078, 2341262773), new c(604807628, 2007800933), new c(770255983, 1495990901), new c(1249150122, 1856431235), new c(1555081692, 3175218132), new c(1996064986, 2198950837), new c(2554220882, 3999719339), new c(2821834349, 766784016), new c(2952996808, 2566594879), new c(3210313671, 3203337956), new c(3336571891,
-                    1034457026), new c(3584528711, 2466948901), new c(113926993, 3758326383), new c(338241895, 168717936), new c(666307205, 1188179964), new c(773529912, 1546045734), new c(1294757372, 1522805485), new c(1396182291, 2643833823), new c(1695183700, 2343527390), new c(1986661051, 1014477480), new c(2177026350, 1206759142), new c(2456956037, 344077627), new c(2730485921, 1290863460), new c(2820302411, 3158454273), new c(3259730800, 3505952657), new c(3345764771, 106217008), new c(3516065817, 3606008344), new c(3600352804, 1432725776), new c(4094571909,
-                    1467031594), new c(275423344, 851169720), new c(430227734, 3100823752), new c(506948616, 1363258195), new c(659060556, 3750685593), new c(883997877, 3785050280), new c(958139571, 3318307427), new c(1322822218, 3812723403), new c(1537002063, 2003034995), new c(1747873779, 3602036899), new c(1955562222, 1575990012), new c(2024104815, 1125592928), new c(2227730452, 2716904306), new c(2361852424, 442776044), new c(2428436474, 593698344), new c(2756734187, 3733110249), new c(3204031479, 2999351573), new c(3329325298, 3815920427), new c(3391569614,
-                    3928383900), new c(3515267271, 566280711), new c(3940187606, 3454069534), new c(4118630271, 4000239992), new c(116418474, 1914138554), new c(174292421, 2731055270), new c(289380356, 3203993006), new c(460393269, 320620315), new c(685471733, 587496836), new c(852142971, 1086792851), new c(1017036298, 365543100), new c(1126000580, 2618297676), new c(1288033470, 3409855158), new c(1501505948, 4234509866), new c(1607167915, 987167468), new c(1816402316, 1246189591)
-            ], e = "SHA-384" === d ? [new c(3418070365, 3238371032), new c(1654270250, 914150663),
-                new c(2438529370, 812702999), new c(355462360, 4144912697), new c(1731405415, 4290775857), new c(41048885895, 1750603025), new c(3675008525, 1694076839), new c(1203062813, 3204075428)
-            ] : [new c(1779033703, 4089235720), new c(3144134277, 2227873595), new c(1013904242, 4271175723), new c(2773480762, 1595750129), new c(1359893119, 2917565137), new c(2600822924, 725511199), new c(528734635, 4215389547), new c(1541459225, 327033209)]) : n("Unexpected error in SHA-2 implementation");
-            a[b >>> 5] |= 128 << 24 - b % 32;
-            a[h] = b;
-            T = a.length;
-            for (v = 0; v <
-                T; v += M) {
-                b = e[0];
-                h = e[1];
-                f = e[2];
-                g = e[3];
-                k = e[4];
-                m = e[5];
-                j = e[6];
-                A = e[7];
-                for (l = 0; l < L; l += 1) w[l] = 16 > l ? new c(a[l * t + v], a[l * t + v + 1]) : y(N(w[l - 2]), w[l - 7], r(w[l - 15]), w[l - 16]), C = z(A, P(k), Q(k, m, j), S[l], w[l]), K = p(O(b), R(b, h, f)), A = j, j = m, m = k, k = p(g, C), g = f, f = h, h = b, b = p(C, K);
-                e[0] = p(b, e[0]);
-                e[1] = p(h, e[1]);
-                e[2] = p(f, e[2]);
-                e[3] = p(g, e[3]);
-                e[4] = p(k, e[4]);
-                e[5] = p(m, e[5]);
-                e[6] = p(j, e[6]);
-                e[7] = p(A, e[7])
-            }
-            "SHA-384" === d ? D = [e[0].a, e[0].b, e[1].a, e[1].b, e[2].a, e[2].b, e[3].a, e[3].b, e[4].a, e[4].b, e[5].a, e[5].b] : "SHA-512" === d ? D = [e[0].a, e[0].b,
-                e[1].a, e[1].b, e[2].a, e[2].b, e[3].a, e[3].b, e[4].a, e[4].b, e[5].a, e[5].b, e[6].a, e[6].b, e[7].a, e[7].b
-            ] : n("Unexpected error in SHA-2 implementation");
-            return D
-        }
-        GLOBAL.jsSHA = function(a, b, d) {
-            var h = q,
-                f = q,
-                g = 0,
-                k = [0],
-                m = 0,
-                j = q,
-                m = "undefined" !== typeof d ? d : 8;
-            8 === m || 16 === m || n("charSize must be 8 or 16");
-            "HEX" === b ? (0 !== a.length % 2 && n("srcString of HEX type must be in byte increments"), j = x(a), g = j.binLen, k = j.value) : "ASCII" === b || "TEXT" === b ? (j = u(a, m), g = j.binLen, k = j.value) : "B64" === b ? (j = B(a), g = j.binLen, k = j.value) : n("inputFormat must be HEX, TEXT, ASCII, or B64");
-            this.getHash = function(a, b, d) {
-                var e = q,
-                    m = k.slice(),
-                    j = "";
-                switch (b) {
-                    case "HEX":
-                        e = E;
-                        break;
-                    case "B64":
-                        e = F;
-                        break;
-                    default:
-                        n("format must be HEX or B64")
-                }
-                "SHA-384" ===
-                a ? (q === h && (h = $(m, g, a)), j = e(h, G(d))) : "SHA-512" === a ? (q === f && (f = $(m, g, a)), j = e(f, G(d))) : n("Chosen SHA variant is not supported");
-                return j
-            };
-            this.getHMAC = function(a, b, d, e, f) {
-                var h, l, j, t, p, y = [],
-                    z = [],
-                    r = q;
-                switch (e) {
-                    case "HEX":
-                        h = E;
-                        break;
-                    case "B64":
-                        h = F;
-                        break;
-                    default:
-                        n("outputFormat must be HEX or B64")
-                }
-                "SHA-384" === d ? (j = 128, p = 384) : "SHA-512" === d ? (j = 128, p = 512) : n("Chosen SHA variant is not supported");
-                "HEX" === b ? (r = x(a), t = r.binLen, l = r.value) : "ASCII" === b || "TEXT" === b ? (r = u(a, m), t = r.binLen, l = r.value) : "B64" === b ? (r = B(a),
-                    t = r.binLen, l = r.value) : n("inputFormat must be HEX, TEXT, ASCII, or B64");
-                a = 8 * j;
-                b = j / 4 - 1;
-                j < t / 8 ? (l = $(l, t, d), l[b] &= 4294967040) : j > t / 8 && (l[b] &= 4294967040);
-                for (j = 0; j <= b; j += 1) y[j] = l[j] ^ 909522486, z[j] = l[j] ^ 1549556828;
-                d = $(z.concat($(y.concat(k), a + g, d)), a + p, d);
-                return h(d, G(f))
-            }
-        };
-    })();
-
-    //coin.js
-    (function() {
-        /*
- 			Coinjs 0.01 beta by OutCast3k{at}gmail.com
- 			A bitcoin framework.
- 			http://github.com/OutCast3k/coinjs or http://coinb.in/coinjs
-		*/
-        var coinjs = GLOBAL.coinjs = function() {};
-
-        /* public vars */
-        coinjs.pub = 0x00;
-        coinjs.priv = 0x80;
-        coinjs.multisig = 0x05;
-        coinjs.hdkey = {
-            'prv': 0x0488ade4,
-            'pub': 0x0488b21e
-        };
-        coinjs.bech32 = {
-            'charset': 'qpzry9x8gf2tvdw0s3jn54khce6mua7l',
-            'version': 0,
-            'hrp': 'bc'
-        };
-
-        coinjs.compressed = false;
-
-        /* other vars */
-        coinjs.developer = '33tht1bKDgZVxb39MnZsWa8oxHXHvUYE4G'; //bitcoin
-
-        /* bit(coinb.in) api vars */
-        coinjs.hostname = ((document.location.hostname.split(".")[(document.location.hostname.split(".")).length - 1]) == 'onion') ? 'coinbin3ravkwb24f7rmxx6w3snkjw45jhs5lxbh3yfeg3vpt6janwqd.onion' : 'coinb.in';
-        coinjs.host = ('https:' == document.location.protocol ? 'https://' : 'http://') + coinjs.hostname + '/api/';
-        coinjs.uid = '1';
-        coinjs.key = '12345678901234567890123456789012';
-
-        /* start of address functions */
-
-        /* generate a private and public keypair, with address and WIF address */
-        coinjs.newKeys = function(input) {
-            var privkey = (input) ? Crypto.SHA256(input) : this.newPrivkey();
-            var pubkey = this.newPubkey(privkey);
-            return {
-                'privkey': privkey,
-                'pubkey': pubkey,
-                'address': this.pubkey2address(pubkey),
-                'wif': this.privkey2wif(privkey),
-                'compressed': this.compressed
-            };
-        }
-
-        /* generate a new random private key */
-        coinjs.newPrivkey = function() {
-            var x = GLOBAL.location;
-            x += (GLOBAL.screen.height * GLOBAL.screen.width * GLOBAL.screen.colorDepth);
-            x += coinjs.random(64);
-            x += (GLOBAL.screen.availHeight * GLOBAL.screen.availWidth * GLOBAL.screen.pixelDepth);
-            x += navigator.language;
-            x += GLOBAL.history.length;
-            x += coinjs.random(64);
-            x += navigator.userAgent;
-            x += 'coinb.in';
-            x += (Crypto.util.randomBytes(64)).join("");
-            x += x.length;
-            var dateObj = new Date();
-            x += dateObj.getTimezoneOffset();
-            x += coinjs.random(64);
-            x += (document.getElementById("entropybucket")) ? document.getElementById("entropybucket").innerHTML : '';
-            x += x + '' + x;
-            var r = x;
-            for (i = 0; i < (x).length / 25; i++) {
-                r = Crypto.SHA256(r.concat(x));
-            }
-            var checkrBigInt = new BigInteger(r);
-            var orderBigInt = new BigInteger("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141");
-            while (checkrBigInt.compareTo(orderBigInt) >= 0 || checkrBigInt.equals(BigInteger.ZERO) || checkrBigInt.equals(BigInteger.ONE)) {
-                r = Crypto.SHA256(r.concat(x));
-                checkrBigInt = new BigInteger(r);
-            }
-            return r;
-        }
-
-        /* generate a public key from a private key */
-        coinjs.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 (coinjs.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 */
-        coinjs.pubkey2address = function(h, byte) {
-            var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
-                asBytes: true
-            }));
-            r.unshift(byte || coinjs.pub);
-            var hash = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = hash.slice(0, 4);
-            return coinjs.base58encode(r.concat(checksum));
-        }
-
-        /* provide a scripthash and return address */
-        coinjs.scripthash2address = function(h) {
-            var x = Crypto.util.hexToBytes(h);
-            x.unshift(coinjs.pub);
-            var r = x;
-            r = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = r.slice(0, 4);
-            return coinjs.base58encode(x.concat(checksum));
-        }
-
-        /* new multisig address, provide the pubkeys AND required signatures to release the funds */
-        coinjs.pubkeys2MultisigAddress = function(pubkeys, required) {
-            var s = coinjs.script();
-            s.writeOp(81 + (required * 1) - 1); //OP_1
-            for (var i = 0; i < pubkeys.length; ++i) {
-                s.writeBytes(Crypto.util.hexToBytes(pubkeys[i]));
-            }
-            s.writeOp(81 + pubkeys.length - 1); //OP_1 
-            s.writeOp(174); //OP_CHECKMULTISIG
-            var x = ripemd160(Crypto.SHA256(s.buffer, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            x.unshift(coinjs.multisig);
-            var r = x;
-            r = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = r.slice(0, 4);
-            var redeemScript = Crypto.util.bytesToHex(s.buffer);
-            var address = coinjs.base58encode(x.concat(checksum));
-
-            if (s.buffer.length > 520) { // too large
-                address = 'invalid';
-                redeemScript = 'invalid';
-            }
-
-            return {
-                'address': address,
-                'redeemScript': redeemScript,
-                'size': s.buffer.length
-            };
-        }
-
-        /* new time locked address, provide the pubkey and time necessary to unlock the funds.
-           when time is greater than 500000000, it should be a unix timestamp (seconds since epoch),
-           otherwise it should be the block height required before this transaction can be released. 
-
-           may throw a string on failure!
-        */
-        coinjs.simpleHodlAddress = function(pubkey, checklocktimeverify) {
-
-            if (checklocktimeverify < 0) {
-                throw "Parameter for OP_CHECKLOCKTIMEVERIFY is negative.";
-            }
-
-            var s = coinjs.script();
-            if (checklocktimeverify <= 16 && checklocktimeverify >= 1) {
-                s.writeOp(0x50 + checklocktimeverify); //OP_1 to OP_16 for minimal encoding
-            } else {
-                s.writeBytes(coinjs.numToScriptNumBytes(checklocktimeverify));
-            }
-            s.writeOp(177); //OP_CHECKLOCKTIMEVERIFY
-            s.writeOp(117); //OP_DROP
-            s.writeBytes(Crypto.util.hexToBytes(pubkey));
-            s.writeOp(172); //OP_CHECKSIG
-
-            var x = ripemd160(Crypto.SHA256(s.buffer, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            x.unshift(coinjs.multisig);
-            var r = x;
-            r = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = r.slice(0, 4);
-            var redeemScript = Crypto.util.bytesToHex(s.buffer);
-            var address = coinjs.base58encode(x.concat(checksum));
-
-            return {
-                'address': address,
-                'redeemScript': redeemScript
-            };
-        }
-
-        /* create a new segwit address */
-        coinjs.segwitAddress = function(pubkey) {
-            var keyhash = [0x00, 0x14].concat(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubkey), {
-                asBytes: true
-            }), {
-                asBytes: true
-            }));
-            var x = ripemd160(Crypto.SHA256(keyhash, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            x.unshift(coinjs.multisig);
-            var r = x;
-            r = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = r.slice(0, 4);
-            var address = coinjs.base58encode(x.concat(checksum));
-
-            return {
-                'address': address,
-                'type': 'segwit',
-                'redeemscript': Crypto.util.bytesToHex(keyhash)
-            };
-        }
-
-        /* create a new segwit bech32 encoded address */
-        coinjs.bech32Address = function(pubkey) {
-            var program = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubkey), {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var address = coinjs.bech32_encode(coinjs.bech32.hrp, [coinjs.bech32.version].concat(coinjs.bech32_convert(program, 8, 5, true)));
-            return {
-                'address': address,
-                'type': 'bech32',
-                'redeemscript': Crypto.util.bytesToHex(program)
-            };
-        }
-
-        /* extract the redeemscript from a bech32 address */
-        coinjs.bech32redeemscript = function(address) {
-            var r = false;
-            var decode = coinjs.bech32_decode(address);
-            if (decode) {
-                decode.data.shift();
-                return Crypto.util.bytesToHex(coinjs.bech32_convert(decode.data, 5, 8, false));
-            }
-            return r;
-        }
-
-        /* provide a privkey and return an WIF  */
-        coinjs.privkey2wif = function(h) {
-            var r = Crypto.util.hexToBytes(h);
-
-            if (coinjs.compressed == true) {
-                r.push(0x01);
-            }
-
-            r.unshift(coinjs.priv);
-            var hash = Crypto.SHA256(Crypto.SHA256(r, {
-                asBytes: true
-            }), {
-                asBytes: true
-            });
-            var checksum = hash.slice(0, 4);
-
-            return coinjs.base58encode(r.concat(checksum));
-        }
-
-        /* convert a wif key back to a private key */
-        coinjs.wif2privkey = function(wif) {
-            var compressed = false;
-            var decode = coinjs.base58decode(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 */
-        coinjs.wif2pubkey = function(wif) {
-            var compressed = coinjs.compressed;
-            var r = coinjs.wif2privkey(wif);
-            coinjs.compressed = r['compressed'];
-            var pubkey = coinjs.newPubkey(r['privkey']);
-            coinjs.compressed = compressed;
-            return {
-                'pubkey': pubkey,
-                'compressed': r['compressed']
-            };
-        }
-
-        /* convert a wif to a address */
-        coinjs.wif2address = function(wif) {
-            var r = coinjs.wif2pubkey(wif);
-            return {
-                'address': coinjs.pubkey2address(r['pubkey']),
-                'compressed': r['compressed']
-            };
-        }
-
-        /* decode or validate an address and return the hash */
-        coinjs.addressDecode = function(addr) {
-            try {
-                var bytes = coinjs.base58decode(addr);
-                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 + "") {
-
-                    var o = {};
-                    o.bytes = front.slice(1);
-                    o.version = front[0];
-
-                    if (o.version == coinjs.pub) { // standard address
-                        o.type = 'standard';
-
-                    } else if (o.version == coinjs.multisig) { // multisig address
-                        o.type = 'multisig';
-
-                    } else if (o.version == coinjs.priv) { // wifkey
-                        o.type = 'wifkey';
-
-                    } else if (o.version == 42) { // stealth address
-                        o.type = 'stealth';
-
-                        o.option = front[1];
-                        if (o.option != 0) {
-                            alert("Stealth Address option other than 0 is currently not supported!");
-                            return false;
-                        };
-
-                        o.scankey = Crypto.util.bytesToHex(front.slice(2, 35));
-                        o.n = front[35];
-
-                        if (o.n > 1) {
-                            alert("Stealth Multisig is currently not supported!");
-                            return false;
-                        };
-
-                        o.spendkey = Crypto.util.bytesToHex(front.slice(36, 69));
-                        o.m = front[69];
-                        o.prefixlen = front[70];
-
-                        if (o.prefixlen > 0) {
-                            alert("Stealth Address Prefixes are currently not supported!");
-                            return false;
-                        };
-                        o.prefix = front.slice(71);
-
-                    } else { // everything else
-                        o.type = 'other'; // address is still valid but unknown version
-                    }
-
-                    return o;
-                } else {
-                    throw "Invalid checksum";
-                }
-            } catch (e) {
-                bech32rs = coinjs.bech32redeemscript(addr);
-                if (bech32rs) {
-                    return {
-                        'type': 'bech32',
-                        'redeemscript': bech32rs
-                    };
-                } else {
-                    return false;
-                }
-            }
-        }
-
-        /* retreive the balance from a given address */
-        coinjs.addressBalance = function(address, callback) {
-            coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=addresses&request=bal&address=' + address + '&r=' + Math.random(), callback, "GET");
-        }
-
-        /* decompress an compressed public key */
-        coinjs.pubkeydecompress = function(pubkey) {
-            if ((typeof(pubkey) == 'string') && pubkey.match(/^[a-f0-9]+$/i)) {
-                var curve = EllipticCurve.getSECCurveByName("secp256k1");
-                try {
-                    var pt = curve.curve.decodePointHex(pubkey);
-                    var x = pt.getX().toBigInteger();
-                    var y = pt.getY().toBigInteger();
-
-                    var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
-                    publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
-                    publicKeyBytes.unshift(0x04);
-                    return Crypto.util.bytesToHex(publicKeyBytes);
-                } catch (e) {
-                    // console.log(e);
-                    return false;
-                }
-            }
-            return false;
-        }
-
-        coinjs.bech32_polymod = function(values) {
-            var chk = 1;
-            var BECH32_GENERATOR = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3];
-            for (var p = 0; p < values.length; ++p) {
-                var top = chk >> 25;
-                chk = (chk & 0x1ffffff) << 5 ^ values[p];
-                for (var i = 0; i < 5; ++i) {
-                    if ((top >> i) & 1) {
-                        chk ^= BECH32_GENERATOR[i];
-                    }
-                }
-            }
-            return chk;
-        }
-
-        coinjs.bech32_hrpExpand = function(hrp) {
-            var ret = [];
-            var p;
-            for (p = 0; p < hrp.length; ++p) {
-                ret.push(hrp.charCodeAt(p) >> 5);
-            }
-            ret.push(0);
-            for (p = 0; p < hrp.length; ++p) {
-                ret.push(hrp.charCodeAt(p) & 31);
-            }
-            return ret;
-        }
-
-        coinjs.bech32_verifyChecksum = function(hrp, data) {
-            return coinjs.bech32_polymod(coinjs.bech32_hrpExpand(hrp).concat(data)) === 1;
-        }
-
-        coinjs.bech32_createChecksum = function(hrp, data) {
-            var values = coinjs.bech32_hrpExpand(hrp).concat(data).concat([0, 0, 0, 0, 0, 0]);
-            var mod = coinjs.bech32_polymod(values) ^ 1;
-            var ret = [];
-            for (var p = 0; p < 6; ++p) {
-                ret.push((mod >> 5 * (5 - p)) & 31);
-            }
-            return ret;
-        }
-
-        coinjs.bech32_encode = function(hrp, data) {
-            var combined = data.concat(coinjs.bech32_createChecksum(hrp, data));
-            var ret = hrp + '1';
-            for (var p = 0; p < combined.length; ++p) {
-                ret += coinjs.bech32.charset.charAt(combined[p]);
-            }
-            return ret;
-        }
-
-        coinjs.bech32_decode = function(bechString) {
-            var p;
-            var has_lower = false;
-            var has_upper = false;
-            for (p = 0; p < bechString.length; ++p) {
-                if (bechString.charCodeAt(p) < 33 || bechString.charCodeAt(p) > 126) {
-                    return null;
-                }
-                if (bechString.charCodeAt(p) >= 97 && bechString.charCodeAt(p) <= 122) {
-                    has_lower = true;
-                }
-                if (bechString.charCodeAt(p) >= 65 && bechString.charCodeAt(p) <= 90) {
-                    has_upper = true;
-                }
-            }
-            if (has_lower && has_upper) {
-                return null;
-            }
-            bechString = bechString.toLowerCase();
-            var pos = bechString.lastIndexOf('1');
-            if (pos < 1 || pos + 7 > bechString.length || bechString.length > 90) {
-                return null;
-            }
-            var hrp = bechString.substring(0, pos);
-            var data = [];
-            for (p = pos + 1; p < bechString.length; ++p) {
-                var d = coinjs.bech32.charset.indexOf(bechString.charAt(p));
-                if (d === -1) {
-                    return null;
-                }
-                data.push(d);
-            }
-            if (!coinjs.bech32_verifyChecksum(hrp, data)) {
-                return null;
-            }
-            return {
-                hrp: hrp,
-                data: data.slice(0, data.length - 6)
-            };
-        }
-
-        coinjs.bech32_convert = function(data, inBits, outBits, pad) {
-            var value = 0;
-            var bits = 0;
-            var maxV = (1 << outBits) - 1;
-
-            var result = [];
-            for (var i = 0; i < data.length; ++i) {
-                value = (value << inBits) | data[i];
-                bits += inBits;
-
-                while (bits >= outBits) {
-                    bits -= outBits;
-                    result.push((value >> bits) & maxV);
-                }
-            }
-
-            if (pad) {
-                if (bits > 0) {
-                    result.push((value << (outBits - bits)) & maxV);
-                }
-            } else {
-                if (bits >= inBits) throw new Error('Excess padding');
-                if ((value << (outBits - bits)) & maxV) throw new Error('Non-zero padding');
-            }
-
-            return result;
-        }
-
-        coinjs.testdeterministicK = function() {
-            // https://github.com/bitpay/bitcore/blob/9a5193d8e94b0bd5b8e7f00038e7c0b935405a03/test/crypto/ecdsa.js
-            // Line 21 and 22 specify digest hash and privkey for the first 2 test vectors.
-            // Line 96-117 tells expected result.
-
-            var tx = coinjs.transaction();
-
-            var test_vectors = [{
-                    'message': 'test data',
-                    'privkey': 'fee0a1f7afebf9d2a5a80c0c98a31c709681cce195cbcd06342b517970c0be1e',
-                    'k_bad00': 'fcce1de7a9bcd6b2d3defade6afa1913fb9229e3b7ddf4749b55c4848b2a196e',
-                    'k_bad01': '727fbcb59eb48b1d7d46f95a04991fc512eb9dbf9105628e3aec87428df28fd8',
-                    'k_bad15': '398f0e2c9f79728f7b3d84d447ac3a86d8b2083c8f234a0ffa9c4043d68bd258'
-                },
-                {
-                    'message': 'Everything should be made as simple as possible, but not simpler.',
-                    'privkey': '0000000000000000000000000000000000000000000000000000000000000001',
-                    'k_bad00': 'ec633bd56a5774a0940cb97e27a9e4e51dc94af737596a0c5cbb3d30332d92a5',
-                    'k_bad01': 'df55b6d1b5c48184622b0ead41a0e02bfa5ac3ebdb4c34701454e80aabf36f56',
-                    'k_bad15': 'def007a9a3c2f7c769c75da9d47f2af84075af95cadd1407393dc1e26086ef87'
-                },
-                {
-                    'message': 'Satoshi Nakamoto',
-                    'privkey': '0000000000000000000000000000000000000000000000000000000000000002',
-                    'k_bad00': 'd3edc1b8224e953f6ee05c8bbf7ae228f461030e47caf97cde91430b4607405e',
-                    'k_bad01': 'f86d8e43c09a6a83953f0ab6d0af59fb7446b4660119902e9967067596b58374',
-                    'k_bad15': '241d1f57d6cfd2f73b1ada7907b199951f95ef5ad362b13aed84009656e0254a'
-                },
-                {
-                    'message': 'Diffie Hellman',
-                    'privkey': '7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f',
-                    'k_bad00': 'c378a41cb17dce12340788dd3503635f54f894c306d52f6e9bc4b8f18d27afcc',
-                    'k_bad01': '90756c96fef41152ac9abe08819c4e95f16da2af472880192c69a2b7bac29114',
-                    'k_bad15': '7b3f53300ab0ccd0f698f4d67db87c44cf3e9e513d9df61137256652b2e94e7c'
-                },
-                {
-                    'message': 'Japan',
-                    'privkey': '8080808080808080808080808080808080808080808080808080808080808080',
-                    'k_bad00': 'f471e61b51d2d8db78f3dae19d973616f57cdc54caaa81c269394b8c34edcf59',
-                    'k_bad01': '6819d85b9730acc876fdf59e162bf309e9f63dd35550edf20869d23c2f3e6d17',
-                    'k_bad15': 'd8e8bae3ee330a198d1f5e00ad7c5f9ed7c24c357c0a004322abca5d9cd17847'
-                },
-                {
-                    'message': 'Bitcoin',
-                    'privkey': 'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140',
-                    'k_bad00': '36c848ffb2cbecc5422c33a994955b807665317c1ce2a0f59c689321aaa631cc',
-                    'k_bad01': '4ed8de1ec952a4f5b3bd79d1ff96446bcd45cabb00fc6ca127183e14671bcb85',
-                    'k_bad15': '56b6f47babc1662c011d3b1f93aa51a6e9b5f6512e9f2e16821a238d450a31f8'
-                },
-                {
-                    'message': 'i2FLPP8WEus5WPjpoHwheXOMSobUJVaZM1JPMQZq',
-                    'privkey': 'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140',
-                    'k_bad00': '6e9b434fcc6bbb081a0463c094356b47d62d7efae7da9c518ed7bac23f4e2ed6',
-                    'k_bad01': 'ae5323ae338d6117ce8520a43b92eacd2ea1312ae514d53d8e34010154c593bb',
-                    'k_bad15': '3eaa1b61d1b8ab2f1ca71219c399f2b8b3defa624719f1e96fe3957628c2c4ea'
-                },
-                {
-                    'message': 'lEE55EJNP7aLrMtjkeJKKux4Yg0E8E1SAJnWTCEh',
-                    'privkey': '3881e5286abc580bb6139fe8e83d7c8271c6fe5e5c2d640c1f0ed0e1ee37edc9',
-                    'k_bad00': '5b606665a16da29cc1c5411d744ab554640479dd8abd3c04ff23bd6b302e7034',
-                    'k_bad01': 'f8b25263152c042807c992eacd2ac2cc5790d1e9957c394f77ea368e3d9923bd',
-                    'k_bad15': 'ea624578f7e7964ac1d84adb5b5087dd14f0ee78b49072aa19051cc15dab6f33'
-                },
-                {
-                    'message': '2SaVPvhxkAPrayIVKcsoQO5DKA8Uv5X/esZFlf+y',
-                    'privkey': '7259dff07922de7f9c4c5720d68c9745e230b32508c497dd24cb95ef18856631',
-                    'k_bad00': '3ab6c19ab5d3aea6aa0c6da37516b1d6e28e3985019b3adb388714e8f536686b',
-                    'k_bad01': '19af21b05004b0ce9cdca82458a371a9d2cf0dc35a813108c557b551c08eb52e',
-                    'k_bad15': '117a32665fca1b7137a91c4739ac5719fec0cf2e146f40f8e7c21b45a07ebc6a'
-                },
-                {
-                    'message': '00A0OwO2THi7j5Z/jp0FmN6nn7N/DQd6eBnCS+/b',
-                    'privkey': '0d6ea45d62b334777d6995052965c795a4f8506044b4fd7dc59c15656a28f7aa',
-                    'k_bad00': '79487de0c8799158294d94c0eb92ee4b567e4dc7ca18addc86e49d31ce1d2db6',
-                    'k_bad01': '9561d2401164a48a8f600882753b3105ebdd35e2358f4f808c4f549c91490009',
-                    'k_bad15': 'b0d273634129ff4dbdf0df317d4062a1dbc58818f88878ffdb4ec511c77976c0'
-                }
-            ];
-
-            var result_txt = '\n----------------------\nResults\n----------------------\n\n';
-
-            for (i = 0; i < test_vectors.length; i++) {
-                var hash = Crypto.SHA256(test_vectors[i]['message'].split('').map(function(c) {
-                    return c.charCodeAt(0);
-                }), {
-                    asBytes: true
-                });
-                var wif = coinjs.privkey2wif(test_vectors[i]['privkey']);
-
-                var KBigInt = tx.deterministicK(wif, hash);
-                var KBigInt0 = tx.deterministicK(wif, hash, 0);
-                var KBigInt1 = tx.deterministicK(wif, hash, 1);
-                var KBigInt15 = tx.deterministicK(wif, hash, 15);
-
-                var K = Crypto.util.bytesToHex(KBigInt.toByteArrayUnsigned());
-                var K0 = Crypto.util.bytesToHex(KBigInt0.toByteArrayUnsigned());
-                var K1 = Crypto.util.bytesToHex(KBigInt1.toByteArrayUnsigned());
-                var K15 = Crypto.util.bytesToHex(KBigInt15.toByteArrayUnsigned());
-
-                if (K != test_vectors[i]['k_bad00']) {
-                    result_txt += 'Failed Test #' + (i + 1) + '\n       K = ' + K + '\nExpected = ' + test_vectors[i]['k_bad00'] + '\n\n';
-                } else if (K0 != test_vectors[i]['k_bad00']) {
-                    result_txt += 'Failed Test #' + (i + 1) + '\n      K0 = ' + K0 + '\nExpected = ' + test_vectors[i]['k_bad00'] + '\n\n';
-                } else if (K1 != test_vectors[i]['k_bad01']) {
-                    result_txt += 'Failed Test #' + (i + 1) + '\n      K1 = ' + K1 + '\nExpected = ' + test_vectors[i]['k_bad01'] + '\n\n';
-                } else if (K15 != test_vectors[i]['k_bad15']) {
-                    result_txt += 'Failed Test #' + (i + 1) + '\n     K15 = ' + K15 + '\nExpected = ' + test_vectors[i]['k_bad15'] + '\n\n';
-                };
-            };
-
-            if (result_txt.length < 60) {
-                result_txt = 'All Tests OK!';
-            };
-
-            return result_txt;
-        };
-
-        /* start of hd functions, thanks bip32.org */
-        coinjs.hd = function(data) {
-
-            var r = {};
-
-            /* some hd value parsing */
-            r.parse = function() {
-
-                var bytes = [];
-
-                // some quick validation
-                if (typeof(data) == 'string') {
-                    var decoded = coinjs.base58decode(data);
-                    if (decoded.length == 82) {
-                        var checksum = decoded.slice(78, 82);
-                        var hash = Crypto.SHA256(Crypto.SHA256(decoded.slice(0, 78), {
-                            asBytes: true
-                        }), {
-                            asBytes: true
-                        });
-                        if (checksum[0] == hash[0] && checksum[1] == hash[1] && checksum[2] == hash[2] && checksum[3] == hash[3]) {
-                            bytes = decoded.slice(0, 78);
-                        }
-                    }
-                }
-
-                // actual parsing code
-                if (bytes && bytes.length > 0) {
-                    r.version = coinjs.uint(bytes.slice(0, 4), 4);
-                    r.depth = coinjs.uint(bytes.slice(4, 5), 1);
-                    r.parent_fingerprint = bytes.slice(5, 9);
-                    r.child_index = coinjs.uint(bytes.slice(9, 13), 4);
-                    r.chain_code = bytes.slice(13, 45);
-                    r.key_bytes = bytes.slice(45, 78);
-
-                    var c = coinjs.compressed; // get current default
-                    coinjs.compressed = true;
-
-                    if (r.key_bytes[0] == 0x00) {
-                        r.type = 'private';
-                        var privkey = (r.key_bytes).slice(1, 33);
-                        var privkeyHex = Crypto.util.bytesToHex(privkey);
-                        var pubkey = coinjs.newPubkey(privkeyHex);
-
-                        r.keys = {
-                            'privkey': privkeyHex,
-                            'pubkey': pubkey,
-                            'address': coinjs.pubkey2address(pubkey),
-                            'wif': coinjs.privkey2wif(privkeyHex)
-                        };
-
-                    } else if (r.key_bytes[0] == 0x02 || r.key_bytes[0] == 0x03) {
-                        r.type = 'public';
-                        var pubkeyHex = Crypto.util.bytesToHex(r.key_bytes);
-
-                        r.keys = {
-                            'pubkey': pubkeyHex,
-                            'address': coinjs.pubkey2address(pubkeyHex)
-                        };
-                    } else {
-                        r.type = 'invalid';
-                    }
-
-                    r.keys_extended = r.extend();
-
-                    coinjs.compressed = c; // reset to default
-                }
-
-                return r;
-            }
-
-            // extend prv/pub key
-            r.extend = function() {
-                var hd = coinjs.hd();
-                return hd.make({
-                    'depth': (this.depth * 1) + 1,
-                    'parent_fingerprint': this.parent_fingerprint,
-                    'child_index': this.child_index,
-                    'chain_code': this.chain_code,
-                    'privkey': this.keys.privkey,
-                    'pubkey': this.keys.pubkey
-                });
-            }
-
-            // derive from path
-            r.derive_path = function(path) {
-
-                if (path == 'm' || path == 'M' || path == 'm\'' || path == 'M\'') return this;
-
-                var p = path.split('/');
-                var hdp = coinjs.clone(this); // clone hd path
-
-                for (var i in p) {
-
-                    if (((i == 0) && c != 'm') || i == 'remove') {
-                        continue;
-                    }
-
-                    var c = p[i];
-
-                    var use_private = (c.length > 1) && (c[c.length - 1] == '\'');
-                    var child_index = parseInt(use_private ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
-                    if (use_private)
-                        child_index += 0x80000000;
-
-                    hdp = hdp.derive(child_index);
-                    var key = ((hdp.keys_extended.privkey) && hdp.keys_extended.privkey != '') ? hdp.keys_extended.privkey : hdp.keys_extended.pubkey;
-                    hdp = coinjs.hd(key);
-                }
-                return hdp;
-            }
-
-            // derive key from index
-            r.derive = function(i) {
-
-                i = (i) ? i : 0;
-                var blob = (Crypto.util.hexToBytes(this.keys.pubkey)).concat(coinjs.numToBytes(i, 4).reverse());
-
-                var j = new jsSHA(Crypto.util.bytesToHex(blob), 'HEX');
-                var hash = j.getHMAC(Crypto.util.bytesToHex(r.chain_code), "HEX", "SHA-512", "HEX");
-
-                var il = new BigInteger(hash.slice(0, 64), 16);
-                var ir = Crypto.util.hexToBytes(hash.slice(64, 128));
-
-                var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-                var curve = ecparams.getCurve();
-
-                var k, key, pubkey, o;
-
-                o = coinjs.clone(this);
-                o.chain_code = ir;
-                o.child_index = i;
-
-                if (this.type == 'private') {
-                    // derive key pair from from a xprv key
-                    k = il.add(new BigInteger([0].concat(Crypto.util.hexToBytes(this.keys.privkey)))).mod(ecparams.getN());
-                    key = Crypto.util.bytesToHex(k.toByteArrayUnsigned());
-
-                    pubkey = coinjs.newPubkey(key);
-
-                    o.keys = {
-                        'privkey': key,
-                        'pubkey': pubkey,
-                        'wif': coinjs.privkey2wif(key),
-                        'address': coinjs.pubkey2address(pubkey)
-                    };
-
-                } else if (this.type == 'public') {
-                    // derive xpub key from an xpub key
-                    q = ecparams.curve.decodePointHex(this.keys.pubkey);
-                    var curvePt = ecparams.getG().multiply(il).add(q);
-
-                    var x = curvePt.getX().toBigInteger();
-                    var y = curvePt.getY().toBigInteger();
-
-                    var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
-                    if (y.isEven()) {
-                        publicKeyBytesCompressed.unshift(0x02)
-                    } else {
-                        publicKeyBytesCompressed.unshift(0x03)
-                    }
-                    pubkey = Crypto.util.bytesToHex(publicKeyBytesCompressed);
-
-                    o.keys = {
-                        'pubkey': pubkey,
-                        'address': coinjs.pubkey2address(pubkey)
-                    }
-                } else {
-                    // fail
-                }
-
-                o.parent_fingerprint = (ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(r.keys.pubkey), {
-                    asBytes: true
-                }), {
-                    asBytes: true
-                })).slice(0, 4);
-                o.keys_extended = o.extend();
-                return o;
-            }
-
-            // make a master hd xprv/xpub
-            r.master = function(pass) {
-                var seed = (pass) ? Crypto.SHA256(pass) : coinjs.newPrivkey();
-                var hasher = new jsSHA(seed, 'HEX');
-                var I = hasher.getHMAC("Bitcoin seed", "TEXT", "SHA-512", "HEX");
-
-                var privkey = Crypto.util.hexToBytes(I.slice(0, 64));
-                var chain = Crypto.util.hexToBytes(I.slice(64, 128));
-
-                var hd = coinjs.hd();
-                return hd.make({
-                    'depth': 0,
-                    'parent_fingerprint': [0, 0, 0, 0],
-                    'child_index': 0,
-                    'chain_code': chain,
-                    'privkey': I.slice(0, 64),
-                    'pubkey': coinjs.newPubkey(I.slice(0, 64))
-                });
-            }
-
-            // encode data to a base58 string
-            r.make = function(data) { // { (int) depth, (array) parent_fingerprint, (int) child_index, (byte array) chain_code, (hex str) privkey, (hex str) pubkey}
-                var k = [];
-
-                //depth
-                k.push(data.depth * 1);
-
-                //parent fingerprint
-                k = k.concat(data.parent_fingerprint);
-
-                //child index
-                k = k.concat((coinjs.numToBytes(data.child_index, 4)).reverse());
-
-                //Chain code
-                k = k.concat(data.chain_code);
-
-                var o = {}; // results
-
-                //encode xprv key
-                if (data.privkey) {
-                    var prv = (coinjs.numToBytes(coinjs.hdkey.prv, 4)).reverse();
-                    prv = prv.concat(k);
-                    prv.push(0x00);
-                    prv = prv.concat(Crypto.util.hexToBytes(data.privkey));
-                    var hash = Crypto.SHA256(Crypto.SHA256(prv, {
-                        asBytes: true
-                    }), {
-                        asBytes: true
-                    });
-                    var checksum = hash.slice(0, 4);
-                    var ret = prv.concat(checksum);
-                    o.privkey = coinjs.base58encode(ret);
-                }
-
-                //encode xpub key
-                if (data.pubkey) {
-                    var pub = (coinjs.numToBytes(coinjs.hdkey.pub, 4)).reverse();
-                    pub = pub.concat(k);
-                    pub = pub.concat(Crypto.util.hexToBytes(data.pubkey));
-                    var hash = Crypto.SHA256(Crypto.SHA256(pub, {
-                        asBytes: true
-                    }), {
-                        asBytes: true
-                    });
-                    var checksum = hash.slice(0, 4);
-                    var ret = pub.concat(checksum);
-                    o.pubkey = coinjs.base58encode(ret);
-                }
-                return o;
-            }
-
-            return r.parse();
-        }
-
-
-        /* start of script functions */
-        coinjs.script = function(data) {
-            var r = {};
-
-            if (!data) {
-                r.buffer = [];
-            } else if ("string" == typeof data) {
-                r.buffer = Crypto.util.hexToBytes(data);
-            } else if (coinjs.isArray(data)) {
-                r.buffer = data;
-            } else if (data instanceof coinjs.script) {
-                r.buffer = data.buffer;
-            } else {
-                r.buffer = data;
-            }
-
-            /* parse buffer array */
-            r.parse = function() {
-
-                var self = this;
-                r.chunks = [];
-                var i = 0;
-
-                function readChunk(n) {
-                    self.chunks.push(self.buffer.slice(i, i + n));
-                    i += n;
-                };
-
-                while (i < this.buffer.length) {
-                    var opcode = this.buffer[i++];
-                    if (opcode >= 0xF0) {
-                        opcode = (opcode << 8) | this.buffer[i++];
-                    }
-
-                    var len;
-                    if (opcode > 0 && opcode < 76) { //OP_PUSHDATA1
-                        readChunk(opcode);
-                    } else if (opcode == 76) { //OP_PUSHDATA1
-                        len = this.buffer[i++];
-                        readChunk(len);
-                    } else if (opcode == 77) { //OP_PUSHDATA2
-                        len = (this.buffer[i++] << 8) | this.buffer[i++];
-                        readChunk(len);
-                    } else if (opcode == 78) { //OP_PUSHDATA4
-                        len = (this.buffer[i++] << 24) | (this.buffer[i++] << 16) | (this.buffer[i++] << 8) | this.buffer[i++];
-                        readChunk(len);
-                    } else {
-                        this.chunks.push(opcode);
-                    }
-
-                    if (i < 0x00) {
-                        break;
-                    }
-                }
-
-                return true;
-            };
-
-            /* decode the redeemscript of a multisignature transaction */
-            r.decodeRedeemScript = function(script) {
-                var r = false;
-                try {
-                    var s = coinjs.script(Crypto.util.hexToBytes(script));
-                    if ((s.chunks.length >= 3) && s.chunks[s.chunks.length - 1] == 174) { //OP_CHECKMULTISIG
-                        r = {};
-                        r.signaturesRequired = s.chunks[0] - 80;
-                        var pubkeys = [];
-                        for (var i = 1; i < s.chunks.length - 2; i++) {
-                            pubkeys.push(Crypto.util.bytesToHex(s.chunks[i]));
-                        }
-                        r.pubkeys = pubkeys;
-                        var multi = coinjs.pubkeys2MultisigAddress(pubkeys, r.signaturesRequired);
-                        r.address = multi['address'];
-                        r.type = 'multisig__'; // using __ for now to differentiat from the other object .type == "multisig"
-                        var rs = Crypto.util.bytesToHex(s.buffer);
-                        r.redeemscript = rs;
-
-                    } else if ((s.chunks.length == 2) && (s.buffer[0] == 0 && s.buffer[1] == 20)) { // SEGWIT
-                        r = {};
-                        r.type = "segwit__";
-                        var rs = Crypto.util.bytesToHex(s.buffer);
-                        r.address = coinjs.pubkey2address(rs, coinjs.multisig);
-                        r.redeemscript = rs;
-
-                    } else if (s.chunks.length == 5 && s.chunks[1] == 177 && s.chunks[2] == 117 && s.chunks[4] == 172) {
-                        // ^ <unlocktime> OP_CHECKLOCKTIMEVERIFY OP_DROP <pubkey> OP_CHECKSIG ^
-                        r = {}
-                        r.pubkey = Crypto.util.bytesToHex(s.chunks[3]);
-                        r.checklocktimeverify = coinjs.bytesToNum(s.chunks[0].slice());
-                        r.address = coinjs.simpleHodlAddress(r.pubkey, r.checklocktimeverify).address;
-                        var rs = Crypto.util.bytesToHex(s.buffer);
-                        r.redeemscript = rs;
-                        r.type = "hodl__";
-                    }
-                } catch (e) {
-                    // console.log(e);
-                    r = false;
-                }
-                return r;
-            }
-
-            /* create output script to spend */
-            r.spendToScript = function(address) {
-                var addr = coinjs.addressDecode(address);
-                var s = coinjs.script();
-                if (addr.type == "bech32") {
-                    s.writeOp(0);
-                    s.writeBytes(Crypto.util.hexToBytes(addr.redeemscript));
-                } else if (addr.version == coinjs.multisig) { // multisig address
-                    s.writeOp(169); //OP_HASH160
-                    s.writeBytes(addr.bytes);
-                    s.writeOp(135); //OP_EQUAL
-                } else { // regular address
-                    s.writeOp(118); //OP_DUP
-                    s.writeOp(169); //OP_HASH160
-                    s.writeBytes(addr.bytes);
-                    s.writeOp(136); //OP_EQUALVERIFY
-                    s.writeOp(172); //OP_CHECKSIG
-                }
-                return s;
-            }
-
-            /* geneate a (script) pubkey hash of the address - used for when signing */
-            r.pubkeyHash = function(address) {
-                var addr = coinjs.addressDecode(address);
-                var s = coinjs.script();
-                s.writeOp(118); //OP_DUP
-                s.writeOp(169); //OP_HASH160
-                s.writeBytes(addr.bytes);
-                s.writeOp(136); //OP_EQUALVERIFY
-                s.writeOp(172); //OP_CHECKSIG
-                return s;
-            }
-
-            /* write to buffer */
-            r.writeOp = function(op) {
-                this.buffer.push(op);
-                this.chunks.push(op);
-                return true;
-            }
-
-            /* write bytes to buffer */
-            r.writeBytes = function(data) {
-                if (data.length < 76) { //OP_PUSHDATA1
-                    this.buffer.push(data.length);
-                } else if (data.length <= 0xff) {
-                    this.buffer.push(76); //OP_PUSHDATA1
-                    this.buffer.push(data.length);
-                } else if (data.length <= 0xffff) {
-                    this.buffer.push(77); //OP_PUSHDATA2
-                    this.buffer.push(data.length & 0xff);
-                    this.buffer.push((data.length >>> 8) & 0xff);
-                } else {
-                    this.buffer.push(78); //OP_PUSHDATA4
-                    this.buffer.push(data.length & 0xff);
-                    this.buffer.push((data.length >>> 8) & 0xff);
-                    this.buffer.push((data.length >>> 16) & 0xff);
-                    this.buffer.push((data.length >>> 24) & 0xff);
-                }
-                this.buffer = this.buffer.concat(data);
-                this.chunks.push(data);
-                return true;
-            }
-
-            r.parse();
-            return r;
-        }
-
-        /* start of transaction functions */
-
-        /* create a new transaction object */
-        coinjs.transaction = function() {
-
-            var r = {};
-            r.version = 1;
-            r.lock_time = 0;
-            r.ins = [];
-            r.outs = [];
-            r.witness = false;
-            r.timestamp = null;
-            r.block = null;
-
-            /* add an input to a transaction */
-            r.addinput = function(txid, index, script, sequence) {
-                var o = {};
-                o.outpoint = {
-                    'hash': txid,
-                    'index': index
-                };
-                o.script = coinjs.script(script || []);
-                o.sequence = sequence || ((r.lock_time == 0) ? 4294967295 : 0);
-                return this.ins.push(o);
-            }
-
-            /* add an output to a transaction */
-            r.addoutput = function(address, value) {
-                var o = {};
-                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
-                var s = coinjs.script();
-                o.script = s.spendToScript(address);
-
-                return this.outs.push(o);
-            }
-
-            /* add two outputs for stealth addresses to a transaction */
-            r.addstealth = function(stealth, value) {
-                var ephemeralKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(coinjs.newPrivkey()));
-                var curve = EllipticCurve.getSECCurveByName("secp256k1");
-
-                var p = EllipticCurve.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
-                var a = BigInteger.ZERO;
-                var b = EllipticCurve.fromHex("7");
-                var calccurve = new EllipticCurve.CurveFp(p, a, b);
-
-                var ephemeralPt = curve.getG().multiply(ephemeralKeyBigInt);
-                var scanPt = calccurve.decodePointHex(stealth.scankey);
-                var sharedPt = scanPt.multiply(ephemeralKeyBigInt);
-                var stealthindexKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.SHA256(sharedPt.getEncoded(true), {
-                    asBytes: true
-                }));
-
-                var stealthindexPt = curve.getG().multiply(stealthindexKeyBigInt);
-                var spendPt = calccurve.decodePointHex(stealth.spendkey);
-                var addressPt = spendPt.add(stealthindexPt);
-
-                var sendaddress = coinjs.pubkey2address(Crypto.util.bytesToHex(addressPt.getEncoded(true)));
-
-
-                var OPRETBytes = [6].concat(Crypto.util.randomBytes(4)).concat(ephemeralPt.getEncoded(true)); // ephemkey data
-                var q = coinjs.script();
-                q.writeOp(106); // OP_RETURN
-                q.writeBytes(OPRETBytes);
-                v = {};
-                v.value = 0;
-                v.script = q;
-
-                this.outs.push(v);
-
-                var o = {};
-                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
-                var s = coinjs.script();
-                o.script = s.spendToScript(sendaddress);
-
-                return this.outs.push(o);
-            }
-
-            /* add data to a transaction */
-            r.adddata = function(data) {
-                var r = false;
-                if (((data.match(/^[a-f0-9]+$/gi)) && data.length < 160) && (data.length % 2) == 0) {
-                    var s = coinjs.script();
-                    s.writeOp(106); // OP_RETURN
-                    s.writeBytes(Crypto.util.hexToBytes(data));
-                    o = {};
-                    o.value = 0;
-                    o.script = s;
-                    return this.outs.push(o);
-                }
-                return r;
-            }
-
-            /* list unspent transactions */
-            r.listUnspent = function(address, callback) {
-                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=addresses&request=unspent&address=' + address + '&r=' + Math.random(), callback, "GET");
-            }
-
-            /* list transaction data */
-            r.getTransaction = function(txid, callback) {
-                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=bitcoin&request=gettransaction&txid=' + txid + '&r=' + Math.random(), callback, "GET");
-            }
-
-            /* add unspent to transaction */
-            r.addUnspent = function(address, callback, script, segwit, sequence) {
-                var self = this;
-                this.listUnspent(address, function(data) {
-                    var s = coinjs.script();
-                    var value = 0;
-                    var total = 0;
-                    var x = {};
-
-                    if (GLOBAL.DOMParser) {
-                        parser = new DOMParser();
-                        xmlDoc = parser.parseFromString(data, "text/xml");
-                    } else {
-                        xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
-                        xmlDoc.async = false;
-                        xmlDoc.loadXML(data);
-                    }
-
-                    var unspent = xmlDoc.getElementsByTagName("unspent")[0];
-
-                    if (unspent) {
-                        for (i = 1; i <= unspent.childElementCount; i++) {
-                            var u = xmlDoc.getElementsByTagName("unspent_" + i)[0]
-                            var txhash = (u.getElementsByTagName("tx_hash")[0].childNodes[0].nodeValue).match(/.{1,2}/g).reverse().join("") + '';
-                            var n = u.getElementsByTagName("tx_output_n")[0].childNodes[0].nodeValue;
-                            var scr = script || u.getElementsByTagName("script")[0].childNodes[0].nodeValue;
-
-                            if (segwit) {
-                                /* this is a small hack to include the value with the redeemscript to make the signing procedure smoother. 
-                                It is not standard and removed during the signing procedure. */
-
-                                s = coinjs.script();
-                                s.writeBytes(Crypto.util.hexToBytes(script));
-                                s.writeOp(0);
-                                s.writeBytes(coinjs.numToBytes(u.getElementsByTagName("value")[0].childNodes[0].nodeValue * 1, 8));
-                                scr = Crypto.util.bytesToHex(s.buffer);
-                            }
-
-                            var seq = sequence || false;
-                            self.addinput(txhash, n, scr, seq);
-                            value += u.getElementsByTagName("value")[0].childNodes[0].nodeValue * 1;
-                            total++;
-                        }
-                    }
-
-                    x.result = xmlDoc.getElementsByTagName("result")[0].childNodes[0].nodeValue;
-                    x.unspent = unspent;
-                    x.value = value;
-                    x.total = total;
-                    x.response = xmlDoc.getElementsByTagName("response")[0].childNodes[0].nodeValue;
-
-                    return callback(x);
-                });
-            }
-
-            /* add unspent and sign */
-            r.addUnspentAndSign = function(wif, callback) {
-                var self = this;
-                var address = coinjs.wif2address(wif);
-                self.addUnspent(address['address'], function(data) {
-                    self.sign(wif);
-                    return callback(data);
-                });
-            }
-
-            /* broadcast a transaction */
-            r.broadcast = function(callback, txhex) {
-                var tx = txhex || this.serialize();
-                coinjs.ajax(coinjs.host + '?uid=' + coinjs.uid + '&key=' + coinjs.key + '&setmodule=bitcoin&request=sendrawtransaction', callback, "POST", ["rawtx=" + tx]);
-            }
-
-            /* generate the transaction hash to sign from a transaction input */
-            r.transactionHash = function(index, sigHashType) {
-
-                var clone = coinjs.clone(this);
-                var shType = sigHashType || 1;
-
-                /* black out all other ins, except this one */
-                for (var i = 0; i < clone.ins.length; i++) {
-                    if (index != i) {
-                        clone.ins[i].script = coinjs.script();
-                    }
-                }
-
-                var extract = this.extractScriptKey(index);
-                clone.ins[index].script = coinjs.script(extract['script']);
-
-                if ((clone.ins) && clone.ins[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.outs = [];
-                        for (var i = 0; i < clone.ins.length; i++) {
-                            if (index != i) {
-                                clone.ins[i].sequence = 0;
-                            }
-                        }
-
-                    } else if (shType == 3) {
-
-                        //SIGHASH_SINGLE 0x03
-                        clone.outs.length = index + 1;
-
-                        for (var i = 0; i < index; i++) {
-                            clone.outs[i].value = -1;
-                            clone.outs[i].script.buffer = [];
-                        }
-
-                        for (var i = 0; i < clone.ins.length; i++) {
-                            if (index != i) {
-                                clone.ins[i].sequence = 0;
-                            }
-                        }
-
-                    } else if (shType >= 128) {
-                        //SIGHASH_ANYONECANPAY 0x80
-                        clone.ins = [clone.ins[index]];
-
-                        if (shType == 129) {
-                            // SIGHASH_ALL + SIGHASH_ANYONECANPAY
-
-                        } else if (shType == 130) {
-                            // SIGHASH_NONE + SIGHASH_ANYONECANPAY
-                            clone.outs = [];
-
-                        } else if (shType == 131) {
-                            // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
-                            clone.outs.length = index + 1;
-                            for (var i = 0; i < index; i++) {
-                                clone.outs[i].value = -1;
-                                clone.outs[i].script.buffer = [];
-                            }
-                        }
-                    }
-
-                    var buffer = Crypto.util.hexToBytes(clone.serialize());
-                    buffer = buffer.concat(coinjs.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 segwit transaction hash to sign from a transaction input */
-            r.transactionHashSegWitV0 = function(index, sigHashType) {
-                /* 
-                   Notice: coinb.in by default, deals with segwit transactions in a non-standard way.
-                   Segwit transactions require that input values are included in the transaction hash.
-                   To save wasting resources and potentially slowing down this service, we include the amount with the 
-                   redeem script to generate the transaction hash and remove it after its signed.
-                */
-
-                // start redeem script check
-                var extract = this.extractScriptKey(index);
-                if (extract['type'] != 'segwit') {
-                    return {
-                        'result': 0,
-                        'fail': 'redeemscript',
-                        'response': 'redeemscript missing or not valid for segwit'
-                    };
-                }
-
-                if (extract['value'] == -1) {
-                    return {
-                        'result': 0,
-                        'fail': 'value',
-                        'response': 'unable to generate a valid segwit hash without a value'
-                    };
-                }
-
-                var scriptcode = Crypto.util.hexToBytes(extract['script']);
-
-                // end of redeem script check
-
-                /* P2WPKH */
-                if (scriptcode.length == 20) {
-                    scriptcode = [0x00, 0x14].concat(scriptcode);
-                }
-
-                if (scriptcode.length == 22) {
-                    scriptcode = scriptcode.slice(1);
-                    scriptcode.unshift(25, 118, 169);
-                    scriptcode.push(136, 172);
-                }
-
-                var value = coinjs.numToBytes(extract['value'], 8);
-
-                // start
-
-                var zero = coinjs.numToBytes(0, 32);
-                var version = coinjs.numToBytes(parseInt(this.version), 4);
-
-                var bufferTmp = [];
-                if (!(sigHashType >= 80)) { // not sighash anyonecanpay 
-                    for (var i = 0; i < this.ins.length; i++) {
-                        bufferTmp = bufferTmp.concat(Crypto.util.hexToBytes(this.ins[i].outpoint.hash).reverse());
-                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.ins[i].outpoint.index, 4));
-                    }
-                }
-                var hashPrevouts = bufferTmp.length >= 1 ? Crypto.SHA256(Crypto.SHA256(bufferTmp, {
-                    asBytes: true
-                }), {
-                    asBytes: true
-                }) : zero;
-
-                var bufferTmp = [];
-                if (!(sigHashType >= 80) && sigHashType != 2 && sigHashType != 3) { // not sighash anyonecanpay & single & none
-                    for (var i = 0; i < this.ins.length; i++) {
-                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.ins[i].sequence, 4));
-                    }
-                }
-                var hashSequence = bufferTmp.length >= 1 ? Crypto.SHA256(Crypto.SHA256(bufferTmp, {
-                    asBytes: true
-                }), {
-                    asBytes: true
-                }) : zero;
-
-                var outpoint = Crypto.util.hexToBytes(this.ins[index].outpoint.hash).reverse();
-                outpoint = outpoint.concat(coinjs.numToBytes(this.ins[index].outpoint.index, 4));
-
-                var nsequence = coinjs.numToBytes(this.ins[index].sequence, 4);
-                var hashOutputs = zero;
-                var bufferTmp = [];
-                if (sigHashType != 2 && sigHashType != 3) { // not sighash single & none
-                    for (var i = 0; i < this.outs.length; i++) {
-                        bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.outs[i].value, 8));
-                        bufferTmp = bufferTmp.concat(coinjs.numToVarInt(this.outs[i].script.buffer.length));
-                        bufferTmp = bufferTmp.concat(this.outs[i].script.buffer);
-                    }
-                    hashOutputs = Crypto.SHA256(Crypto.SHA256(bufferTmp, {
-                        asBytes: true
-                    }), {
-                        asBytes: true
-                    });
-
-                } else if ((sigHashType == 2) && index < this.outs.length) { // is sighash single
-                    bufferTmp = bufferTmp.concat(coinjs.numToBytes(this.outs[index].value, 8));
-                    bufferTmp = bufferTmp.concat(coinjs.numToVarInt(this.outs[i].script.buffer.length));
-                    bufferTmp = bufferTmp.concat(this.outs[index].script.buffer);
-                    hashOutputs = Crypto.SHA256(Crypto.SHA256(bufferTmp, {
-                        asBytes: true
-                    }), {
-                        asBytes: true
-                    });
-                }
-
-                var locktime = coinjs.numToBytes(this.lock_time, 4);
-                var sighash = coinjs.numToBytes(sigHashType, 4);
-
-                var buffer = [];
-                buffer = buffer.concat(version);
-                buffer = buffer.concat(hashPrevouts);
-                buffer = buffer.concat(hashSequence);
-                buffer = buffer.concat(outpoint);
-                buffer = buffer.concat(scriptcode);
-                buffer = buffer.concat(value);
-                buffer = buffer.concat(nsequence);
-                buffer = buffer.concat(hashOutputs);
-                buffer = buffer.concat(locktime);
-                buffer = buffer.concat(sighash);
-
-                var hash = Crypto.SHA256(buffer, {
-                    asBytes: true
-                });
-                return {
-                    'result': 1,
-                    'hash': Crypto.util.bytesToHex(Crypto.SHA256(hash, {
-                        asBytes: true
-                    })),
-                    'response': 'hash generated'
-                };
-            }
-
-            /* extract the scriptSig, used in the transactionHash() function */
-            r.extractScriptKey = function(index) {
-                if (this.ins[index]) {
-                    if ((this.ins[index].script.chunks.length == 5) && this.ins[index].script.chunks[4] == 172 && coinjs.isArray(this.ins[index].script.chunks[2])) { //OP_CHECKSIG
-                        // regular scriptPubkey (not signed)
-                        return {
-                            'type': 'scriptpubkey',
-                            'signed': 'false',
-                            'signatures': 0,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    } else if ((this.ins[index].script.chunks.length == 2) && this.ins[index].script.chunks[0][0] == 48 && this.ins[index].script.chunks[1].length == 5 && this.ins[index].script.chunks[1][1] == 177) { //OP_CHECKLOCKTIMEVERIFY
-                        // hodl script (signed)
-                        return {
-                            'type': 'hodl',
-                            'signed': 'true',
-                            'signatures': 1,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    } else if ((this.ins[index].script.chunks.length == 2) && this.ins[index].script.chunks[0][0] == 48) {
-                        // regular scriptPubkey (probably signed)
-                        return {
-                            'type': 'scriptpubkey',
-                            'signed': 'true',
-                            'signatures': 1,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    } else if (this.ins[index].script.chunks.length == 5 && this.ins[index].script.chunks[1] == 177) { //OP_CHECKLOCKTIMEVERIFY
-                        // hodl script (not signed)
-                        return {
-                            'type': 'hodl',
-                            'signed': 'false',
-                            'signatures': 0,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    } else if ((this.ins[index].script.chunks.length <= 3 && this.ins[index].script.chunks.length > 0) && ((this.ins[index].script.chunks[0].length == 22 && this.ins[index].script.chunks[0][0] == 0) || (this.ins[index].script.chunks[0].length == 20 && this.ins[index].script.chunks[1] == 0))) {
-                        var signed = ((this.witness[index]) && this.witness[index].length == 2) ? 'true' : 'false';
-                        var sigs = (signed == 'true') ? 1 : 0;
-                        var value = -1; // no value found
-                        if ((this.ins[index].script.chunks[2]) && this.ins[index].script.chunks[2].length == 8) {
-                            value = coinjs.bytesToNum(this.ins[index].script.chunks[2]); // value found encoded in transaction (THIS IS NON STANDARD)
-                        }
-                        return {
-                            'type': 'segwit',
-                            'signed': signed,
-                            'signatures': sigs,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.chunks[0]),
-                            'value': value
-                        };
-                    } else if (this.ins[index].script.chunks[0] == 0 && this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1][this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1].length - 1] == 174) { // OP_CHECKMULTISIG
-                        // multisig script, with signature(s) included
-                        var sigcount = 0;
-                        for (i = 1; i < this.ins[index].script.chunks.length - 1; i++) {
-                            if (this.ins[index].script.chunks[i] != 0) {
-                                sigcount++;
-                            }
-                        }
-
-                        return {
-                            'type': 'multisig',
-                            'signed': 'true',
-                            'signatures': sigcount,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1])
-                        };
-                    } else if (this.ins[index].script.chunks[0] >= 80 && this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1] == 174) { // OP_CHECKMULTISIG
-                        // multisig script, without signature!
-                        return {
-                            'type': 'multisig',
-                            'signed': 'false',
-                            'signatures': 0,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    } else if (this.ins[index].script.chunks.length == 0) {
-                        // empty
-                        //bech32 witness check
-                        var signed = ((this.witness[index]) && this.witness[index].length == 2) ? 'true' : 'false';
-                        var sigs = (signed == 'true') ? 1 : 0;
-                        return {
-                            'type': 'empty',
-                            'signed': signed,
-                            'signatures': sigs,
-                            'script': ''
-                        };
-                    } else {
-                        // something else
-                        return {
-                            'type': 'unknown',
-                            'signed': 'false',
-                            'signatures': 0,
-                            'script': Crypto.util.bytesToHex(this.ins[index].script.buffer)
-                        };
-                    }
-                } else {
-                    return false;
-                }
-            }
-
-            /* generate a signature from a transaction hash */
-            r.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 = coinjs.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
-            r.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 = coinjs.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 */
-            r.signinput = function(index, wif, sigHashType) {
-                var key = coinjs.wif2pubkey(wif);
-                var shType = sigHashType || 1;
-                var signature = this.transactionSig(index, wif, shType);
-                var s = coinjs.script();
-                s.writeBytes(Crypto.util.hexToBytes(signature));
-                s.writeBytes(Crypto.util.hexToBytes(key['pubkey']));
-                this.ins[index].script = s;
-                return true;
-            }
-
-            /* signs a time locked / hodl input */
-            r.signhodl = function(index, wif, sigHashType) {
-                var shType = sigHashType || 1;
-                var signature = this.transactionSig(index, wif, shType);
-                var redeemScript = this.ins[index].script.buffer
-                var s = coinjs.script();
-                s.writeBytes(Crypto.util.hexToBytes(signature));
-                s.writeBytes(redeemScript);
-                this.ins[index].script = s;
-                return true;
-            }
-
-            /* sign a multisig input */
-            r.signmultisig = function(index, wif, sigHashType) {
-
-                function scriptListPubkey(redeemScript) {
-                    var r = {};
-                    for (var i = 1; i < redeemScript.chunks.length - 2; i++) {
-                        r[i] = Crypto.util.hexToBytes(coinjs.pubkeydecompress(Crypto.util.bytesToHex(redeemScript.chunks[i])));
-                    }
-                    return r;
-                }
-
-                function scriptListSigs(scriptSig) {
-                    var r = {};
-                    var c = 0;
-                    if (scriptSig.chunks[0] == 0 && scriptSig.chunks[scriptSig.chunks.length - 1][scriptSig.chunks[scriptSig.chunks.length - 1].length - 1] == 174) {
-                        for (var i = 1; i < scriptSig.chunks.length - 1; i++) {
-                            if (scriptSig.chunks[i] != 0) {
-                                c++;
-                                r[c] = scriptSig.chunks[i];
-                            }
-                        }
-                    }
-                    return r;
-                }
-
-                var redeemScript = (this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1] == 174) ? this.ins[index].script.buffer : this.ins[index].script.chunks[this.ins[index].script.chunks.length - 1];
-
-                var pubkeyList = scriptListPubkey(coinjs.script(redeemScript));
-                var sigsList = scriptListSigs(this.ins[index].script);
-
-                var shType = sigHashType || 1;
-                var sighash = Crypto.util.hexToBytes(this.transactionHash(index, shType));
-                var signature = Crypto.util.hexToBytes(this.transactionSig(index, wif, shType));
-
-                sigsList[coinjs.countObject(sigsList) + 1] = signature;
-
-                var s = coinjs.script();
-
-                s.writeOp(0);
-
-                for (x in pubkeyList) {
-                    for (y in sigsList) {
-                        this.ins[index].script.buffer = redeemScript;
-                        sighash = Crypto.util.hexToBytes(this.transactionHash(index, sigsList[y].slice(-1)[0] * 1));
-                        if (coinjs.verifySignature(sighash, sigsList[y], pubkeyList[x])) {
-                            s.writeBytes(sigsList[y]);
-                        }
-                    }
-                }
-
-                s.writeBytes(redeemScript);
-                this.ins[index].script = s;
-                return true;
-            }
-
-            /* sign segwit input */
-            r.signsegwit = function(index, wif, sigHashType) {
-                var shType = sigHashType || 1;
-
-                var wif2 = coinjs.wif2pubkey(wif);
-                var segwit = coinjs.segwitAddress(wif2['pubkey']);
-                var bech32 = coinjs.bech32Address(wif2['pubkey']);
-
-                if ((segwit['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0])) || (bech32['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0]))) {
-                    var txhash = this.transactionHashSegWitV0(index, shType);
-
-                    if (txhash.result == 1) {
-
-                        var segwitHash = Crypto.util.hexToBytes(txhash.hash);
-                        var signature = this.transactionSig(index, wif, shType, segwitHash);
-
-                        // remove any non standard data we store, i.e. input value
-                        var script = coinjs.script();
-                        script.writeBytes(this.ins[index].script.chunks[0]);
-                        this.ins[index].script = script;
-
-                        if (!coinjs.isArray(this.witness)) {
-                            this.witness = new Array(this.ins.length);
-                            this.witness.fill([]);
-                        }
-
-                        this.witness[index] = ([signature, wif2['pubkey']]);
-
-                        // bech32, empty redeemscript
-                        if (bech32['redeemscript'] == Crypto.util.bytesToHex(this.ins[index].script.chunks[0])) {
-                            this.ins[index].script = coinjs.script();
-                        }
-
-                        /* attempt to reorder witness data as best as we can. 
-                           data can't be easily validated at this stage as 
-                           we dont have access to the inputs value and 
-                           making a web call will be too slow. */
-
-                        /*
-                        var witness_order = [];
-                        var witness_used = [];
-                        for (var i = 0; i < this.ins.length; i++) {
-                            for (var y = 0; y < this.witness.length; y++) {
-                                if (!witness_used.includes(y)) {
-                                    var sw = coinjs.segwitAddress(this.witness[y][1]);
-                                    var b32 = coinjs.bech32Address(this.witness[y][1]);
-                                    var rs = '';
-
-                                    if (this.ins[i].script.chunks.length >= 1) {
-                                        rs = Crypto.util.bytesToHex(this.ins[i].script.chunks[0]);
-                                    } else if (this.ins[i].script.chunks.length == 0) {
-                                        rs = b32['redeemscript'];
-                                    }
-
-                                    if ((sw['redeemscript'] == rs) || (b32['redeemscript'] == rs)) {
-                                        witness_order.push(this.witness[y]);
-                                        witness_used.push(y);
-
-                                        // bech32, empty redeemscript
-                                        if (b32['redeemscript'] == rs) {
-                                            this.ins[index].script = coinjs.script();
-                                        }
-                                        break;
-                                    }
-                                }
-                            }
-                        }
-
-                        this.witness = witness_order;
-                        */
-                    }
-                }
-                return true;
-            }
-
-            /* sign inputs */
-            r.sign = function(wif, sigHashType) {
-                var shType = sigHashType || 1;
-                for (var i = 0; i < this.ins.length; i++) {
-                    var d = this.extractScriptKey(i);
-
-                    var w2a = coinjs.wif2address(wif);
-                    var script = coinjs.script();
-                    var pubkeyHash = script.pubkeyHash(w2a['address']);
-
-                    if (((d['type'] == 'scriptpubkey' && d['script'] == Crypto.util.bytesToHex(pubkeyHash.buffer)) || d['type'] == 'empty') && d['signed'] == "false") {
-                        this.signinput(i, wif, shType);
-
-                    } else if (d['type'] == 'hodl' && d['signed'] == "false") {
-                        this.signhodl(i, wif, shType);
-
-                    } else if (d['type'] == 'multisig') {
-                        this.signmultisig(i, wif, shType);
-
-                    } else if (d['type'] == 'segwit') {
-                        this.signsegwit(i, wif, shType);
-
-                    } else {
-                        // could not sign
-                    }
-                }
-                return this.serialize();
-            }
-
-            /* serialize a transaction */
-            r.serialize = function() {
-                var buffer = [];
-                buffer = buffer.concat(coinjs.numToBytes(parseInt(this.version), 4));
-
-                if (coinjs.isArray(this.witness)) {
-                    buffer = buffer.concat([0x00, 0x01]);
-                }
-
-                buffer = buffer.concat(coinjs.numToVarInt(this.ins.length));
-                for (var i = 0; i < this.ins.length; i++) {
-                    var txin = this.ins[i];
-                    buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
-                    buffer = buffer.concat(coinjs.numToBytes(parseInt(txin.outpoint.index), 4));
-                    var scriptBytes = txin.script.buffer;
-                    buffer = buffer.concat(coinjs.numToVarInt(scriptBytes.length));
-                    buffer = buffer.concat(scriptBytes);
-                    buffer = buffer.concat(coinjs.numToBytes(parseInt(txin.sequence), 4));
-                }
-                buffer = buffer.concat(coinjs.numToVarInt(this.outs.length));
-
-                for (var i = 0; i < this.outs.length; i++) {
-                    var txout = this.outs[i];
-                    buffer = buffer.concat(coinjs.numToBytes(txout.value, 8));
-                    var scriptBytes = txout.script.buffer;
-                    buffer = buffer.concat(coinjs.numToVarInt(scriptBytes.length));
-                    buffer = buffer.concat(scriptBytes);
-                }
-
-                if ((coinjs.isArray(this.witness)) && this.witness.length >= 1) {
-                    for (var i = 0; i < this.witness.length; i++) {
-                        buffer = buffer.concat(coinjs.numToVarInt(this.witness[i].length));
-                        for (var x = 0; x < this.witness[i].length; x++) {
-                            buffer = buffer.concat(coinjs.numToVarInt(Crypto.util.hexToBytes(this.witness[i][x]).length));
-                            buffer = buffer.concat(Crypto.util.hexToBytes(this.witness[i][x]));
-                        }
-                    }
-                }
-
-                buffer = buffer.concat(coinjs.numToBytes(parseInt(this.lock_time), 4));
-                return Crypto.util.bytesToHex(buffer);
-            }
-
-            /* deserialize a transaction */
-            r.deserialize = function(buffer) {
-                if (typeof buffer == "string") {
-                    buffer = Crypto.util.hexToBytes(buffer)
-                }
-
-                var pos = 0;
-                var witness = false;
-
-                var readAsInt = function(bytes) {
-                    if (bytes == 0) return 0;
-                    pos++;
-                    return buffer[pos - 1] + readAsInt(bytes - 1) * 256;
-                }
-
-                var readVarInt = function() {
-                    pos++;
-                    if (buffer[pos - 1] < 253) {
-                        return buffer[pos - 1];
-                    }
-                    return readAsInt(buffer[pos - 1] - 251);
-                }
-
-                var readBytes = function(bytes) {
-                    pos += bytes;
-                    return buffer.slice(pos - bytes, pos);
-                }
-
-                var readVarString = function() {
-                    var size = readVarInt();
-                    return readBytes(size);
-                }
-
-                var obj = new coinjs.transaction();
-                obj.version = readAsInt(4);
-
-                if (buffer[pos] == 0x00 && buffer[pos + 1] == 0x01) {
-                    // segwit transaction
-                    witness = true;
-                    obj.witness = [];
-                    pos += 2;
-                }
-
-                var ins = readVarInt();
-                for (var i = 0; i < ins; i++) {
-                    obj.ins.push({
-                        outpoint: {
-                            hash: Crypto.util.bytesToHex(readBytes(32).reverse()),
-                            index: readAsInt(4)
-                        },
-                        script: coinjs.script(readVarString()),
-                        sequence: readAsInt(4)
-                    });
-                }
-
-                var outs = readVarInt();
-                for (var i = 0; i < outs; i++) {
-                    obj.outs.push({
-                        value: coinjs.bytesToNum(readBytes(8)),
-                        script: coinjs.script(readVarString())
-                    });
-                }
-
-                if (witness == true) {
-                    for (i = 0; i < ins; ++i) {
-                        var count = readVarInt();
-                        var vector = [];
-                        if (!coinjs.isArray(obj.witness[i])) {
-                            obj.witness[i] = [];
-                        }
-                        for (var y = 0; y < count; y++) {
-                            var slice = readVarInt();
-                            pos += slice;
-                            obj.witness[i].push(Crypto.util.bytesToHex(buffer.slice(pos - slice, pos)));
-                        }
-                    }
-                }
-
-                obj.lock_time = readAsInt(4);
-                return obj;
-            }
-
-            r.size = function() {
-                return ((this.serialize()).length / 2).toFixed(0);
-            }
-
-            return r;
-        }
-
-        /* start of signature vertification functions */
-
-        coinjs.verifySignature = function(hash, sig, pubkey) {
-
-            function parseSig(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];
-
-                var r = BigInteger.fromByteArrayUnsigned(rBa);
-                var s = BigInteger.fromByteArrayUnsigned(sBa);
-
-                return {
-                    r: r,
-                    s: s
-                };
-            }
-
-            var r, s;
-
-            if (coinjs.isArray(sig)) {
-                var obj = 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 (coinjs.isArray(pubkey)) {
-                var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-                Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
-            } else {
-                throw "Invalid format for pubkey value, must be byte array";
-            }
-            var e = BigInteger.fromByteArrayUnsigned(hash);
-
-            return coinjs.verifySignatureRaw(e, r, s, Q);
-        }
-
-        coinjs.verifySignatureRaw = function(e, r, s, Q) {
-            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-            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);
-
-            var point = G.multiply(u1).add(Q.multiply(u2));
-
-            var v = point.getX().toBigInteger().mod(n);
-
-            return v.equals(r);
-        }
-
-        /* start of privates functions */
-
-        /* base58 encode function */
-        coinjs.base58encode = function(buffer) {
-            var alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
-            var base = BigInteger.valueOf(58);
-
-            var bi = BigInteger.fromByteArrayUnsigned(buffer);
-            var chars = [];
-
-            while (bi.compareTo(base) >= 0) {
-                var mod = bi.mod(base);
-                chars.unshift(alphabet[mod.intValue()]);
-                bi = bi.subtract(mod).divide(base);
-            }
-
-            chars.unshift(alphabet[bi.intValue()]);
-            for (var i = 0; i < buffer.length; i++) {
-                if (buffer[i] == 0x00) {
-                    chars.unshift(alphabet[0]);
-                } else break;
-            }
-            return chars.join('');
-        }
-
-        /* base58 decode function */
-        coinjs.base58decode = function(buffer) {
-            var alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
-            var base = BigInteger.valueOf(58);
-            var validRegex = /^[1-9A-HJ-NP-Za-km-z]+$/;
-
-            var bi = BigInteger.valueOf(0);
-            var leadingZerosNum = 0;
-            for (var i = buffer.length - 1; i >= 0; i--) {
-                var alphaIndex = alphabet.indexOf(buffer[i]);
-                if (alphaIndex < 0) {
-                    throw "Invalid character";
-                }
-                bi = bi.add(BigInteger.valueOf(alphaIndex).multiply(base.pow(buffer.length - 1 - i)));
-
-                if (buffer[i] == "1") leadingZerosNum++;
-                else leadingZerosNum = 0;
-            }
-
-            var bytes = bi.toByteArrayUnsigned();
-            while (leadingZerosNum-- > 0) bytes.unshift(0);
-            return bytes;
-        }
-
-        /* raw ajax function to avoid needing bigger frame works like jquery, mootools etc */
-        coinjs.ajax = function(u, f, m, a) {
-            var x = false;
-            try {
-                x = new ActiveXObject('Msxml2.XMLHTTP')
-            } catch (e) {
-                try {
-                    x = new ActiveXObject('Microsoft.XMLHTTP')
-                } catch (e) {
-                    x = new XMLHttpRequest()
-                }
-            }
-
-            if (x == false) {
-                return false;
-            }
-
-            x.open(m, u, true);
-            x.onreadystatechange = function() {
-                if ((x.readyState == 4) && f)
-                    f(x.responseText);
-            };
-
-            if (m == 'POST') {
-                x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
-            }
-
-            x.send(a);
-        }
-
-        /* clone an object */
-        coinjs.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] = coinjs.clone(obj[key]);
-                }
-            }
-            return temp;
-        }
-
-        coinjs.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(coinjs.numToBytes(Math.floor(num / 256), bytes - 1));
-            }
-        }
-
-        function scriptNumSize(i) {
-            return i > 0x7fffffff ? 5 :
-                i > 0x7fffff ? 4 :
-                i > 0x7fff ? 3 :
-                i > 0x7f ? 2 :
-                i > 0x00 ? 1 :
-                0;
-        }
-
-        coinjs.numToScriptNumBytes = function(_number) {
-            var value = Math.abs(_number);
-            var size = scriptNumSize(value);
-            var result = [];
-            for (var i = 0; i < size; ++i) {
-                result.push(0);
-            }
-            var negative = _number < 0;
-            for (i = 0; i < size; ++i) {
-                result[i] = value & 0xff;
-                value = Math.floor(value / 256);
-            }
-            if (negative) {
-                result[size - 1] |= 0x80;
-            }
-            return result;
-        }
-
-        coinjs.numToVarInt = function(num) {
-            if (num < 253) {
-                return [num];
-            } else if (num < 65536) {
-                return [253].concat(coinjs.numToBytes(num, 2));
-            } else if (num < 4294967296) {
-                return [254].concat(coinjs.numToBytes(num, 4));
-            } else {
-                return [255].concat(coinjs.numToBytes(num, 8));
-            }
-        }
-
-        coinjs.bytesToNum = function(bytes) {
-            if (bytes.length == 0) return 0;
-            else return bytes[0] + 256 * coinjs.bytesToNum(bytes.slice(1));
-        }
-
-        coinjs.uint = function(f, size) {
-            if (f.length < size)
-                throw new Error("not enough data");
-            var n = 0;
-            for (var i = 0; i < size; i++) {
-                n *= 256;
-                n += f[i];
-            }
-            return n;
-        }
-
-        coinjs.isArray = function(o) {
-            return Object.prototype.toString.call(o) === '[object Array]';
-        }
-
-        coinjs.countObject = function(obj) {
-            var count = 0;
-            var i;
-            for (i in obj) {
-                if (obj.hasOwnProperty(i)) {
-                    count++;
-                }
-            }
-            return count;
-        }
-
-        coinjs.random = function(length) {
-            var r = "";
-            var l = length || 25;
-            var chars = "!$%^&*()_+{}:@~?><|\./;'#][=-abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
-            for (x = 0; x < l; x++) {
-                r += chars.charAt(Math.floor(Math.random() * 62));
-            }
-            return r;
-        }
-
-    })();
-})(typeof global !== "undefined" ? global : window);
-
-(function(EXPORTS) { //btc_api v1.0.6
-    const btc_api = EXPORTS;
-
-    //This library uses API provided by chain.so (https://chain.so/)
-    const URL = "https://chain.so/api/v2/";
-
-    const fetch_api = btc_api.fetch = function(api) {
-        return new Promise((resolve, reject) => {
-            console.debug(URL + api);
-            fetch(URL + api).then(response => {
-                response.json()
-                    .then(result => result.status === "success" ? resolve(result) : reject(result))
-                    .catch(error => reject(error))
-            }).catch(error => reject(error))
-        })
-    };
-
-    const broadcast = btc_api.broadcast = rawtx => new Promise((resolve, reject) => {
-        $.ajax({
-            type: "POST",
-            url: URL + "send_tx/BTC/",
-            data: {
-                "tx_hex": rawtx
-            },
-            dataType: "json",
-            error: e => reject(e.responseJSON),
-            success: r => r.status === "success" ? resolve(r.data) : reject(r)
-        })
-    });
-
-    Object.defineProperties(btc_api, {
-        newKeys: {
-            get: () => {
-                let r = coinjs.newKeys();
-                r.segwitAddress = coinjs.segwitAddress(r.pubkey).address;
-                r.bech32Address = coinjs.bech32Address(r.pubkey).address;
-                return r;
-            }
-        },
-        pubkey: {
-            value: key => key.length >= 66 ? key : (key.length == 64 ? coinjs.newPubkey(key) : coinjs.wif2pubkey(key).pubkey)
-        },
-        address: {
-            value: (key, prefix = undefined) => coinjs.pubkey2address(btc_api.pubkey(key), prefix)
-        },
-        segwitAddress: {
-            value: key => coinjs.segwitAddress(btc_api.pubkey(key)).address
-        },
-        bech32Address: {
-            value: key => coinjs.bech32Address(btc_api.pubkey(key)).address
-        }
-    });
-
-    coinjs.compressed = true;
-
-    const verifyKey = btc_api.verifyKey = function(addr, key) {
-        if (!addr || !key)
-            return undefined;
-        switch (coinjs.addressDecode(addr).type) {
-            case "standard":
-                return btc_api.address(key) === addr;
-            case "multisig":
-                return btc_api.segwitAddress(key) === addr;
-            case "bech32":
-                return btc_api.bech32Address(key) === addr;
-            default:
-                return null;
-        }
-    }
-
-    const validateAddress = btc_api.validateAddress = function(addr) {
-        if (!addr)
-            return undefined;
-        let type = coinjs.addressDecode(addr).type;
-        if (["standard", "multisig", "bech32"].includes(type))
-            return type;
-        else
-            return false;
-    }
-
-    //convert from one blockchain to another blockchain (target version)
-    btc_api.convert = {};
-
-    btc_api.convert.wif = function(source_wif, target_version = coinjs.priv) {
-        let keyHex = decodeLegacy(source_wif).hex;
-        if (!keyHex || keyHex.length < 66 || !/01$/.test(keyHex))
-            return null;
-        else
-            return encodeLegacy(keyHex, target_version);
-    }
-
-    btc_api.convert.legacy2legacy = function(source_addr, target_version = coinjs.pub) {
-        let rawHex = decodeLegacy(source_addr).hex;
-        if (!rawHex)
-            return null;
-        else
-            return encodeLegacy(rawHex, target_version);
-    }
-
-    btc_api.convert.legacy2bech = function(source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
-        let rawHex = decodeLegacy(source_addr).hex;
-        if (!rawHex)
-            return null;
-        else
-            return encodeBech32(rawHex, target_version, target_hrp);
-    }
-
-    btc_api.convert.bech2bech = function(source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
-        let rawHex = decodeBech32(source_addr).hex;
-        if (!rawHex)
-            return null;
-        else
-            return encodeBech32(rawHex, target_version, target_hrp);
-    }
-
-    btc_api.convert.bech2legacy = function(source_addr, target_version = coinjs.pub) {
-        let rawHex = decodeBech32(source_addr).hex;
-        if (!rawHex)
-            return null;
-        else
-            return encodeLegacy(rawHex, target_version);
-    }
-
-    function decodeLegacy(source) {
-        var decode = coinjs.base58decode(source);
-        var raw = decode.slice(0, decode.length - 4),
-            checksum = decode.slice(decode.length - 4);
-        var hash = Crypto.SHA256(Crypto.SHA256(raw, {
-            asBytes: true
-        }), {
-            asBytes: true
-        });
-        if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
-            return null;
-        let version = raw.shift();
-        return {
-            version: version,
-            hex: Crypto.util.bytesToHex(raw)
-        }
-    }
-
-    function encodeLegacy(hex, version) {
-        var bytes = Crypto.util.hexToBytes(hex);
-        bytes.unshift(version);
-        var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
-            asBytes: true
-        }), {
-            asBytes: true
-        });
-        var checksum = hash.slice(0, 4);
-        return coinjs.base58encode(bytes.concat(checksum));
-    }
-
-    function decodeBech32(source) {
-        let decode = coinjs.bech32_decode(source);
-        if (!decode)
-            return null;
-        var raw = decode.data;
-        let version = raw.shift();
-        raw = coinjs.bech32_convert(raw, 5, 8, false);
-        return {
-            hrp: decode.hrp,
-            version: version,
-            hex: Crypto.util.bytesToHex(raw)
-        }
-    }
-
-    function encodeBech32(hex, version, hrp) {
-        var bytes = Crypto.util.hexToBytes(hex);
-        bytes = coinjs.bech32_convert(bytes, 8, 5, true);
-        bytes.unshift(version)
-        return coinjs.bech32_encode(hrp, bytes);
-    }
-
-    btc_api.getBalance = addr => new Promise((resolve, reject) => {
-        fetch_api(`get_address_balance/BTC/${addr}`)
-            .then(result => resolve(parseFloat(result.data.confirmed_balance)))
-            .catch(error => reject(error))
-    });
-
-    function _redeemScript(addr, key) {
-        let decode = coinjs.addressDecode(addr);
-        switch (decode.type) {
-            case "standard":
-                return false;
-            case "multisig":
-                return coinjs.segwitAddress(btc_api.pubkey(key)).redeemscript;
-            case "bech32":
-                return decode.redeemscript;
-            default:
-                return null;
-        }
-    }
-
-    function addUTXOs(tx, senders, redeemScripts, required_amount, n = 0) {
-        return new Promise((resolve, reject) => {
-            required_amount = parseFloat(required_amount.toFixed(8));
-            if (required_amount <= 0 || n >= senders.length)
-                return resolve(required_amount);
-            let addr = senders[n],
-                rs = redeemScripts[n];
-            fetch_api(`get_tx_unspent/BTC/${addr}`).then(result => {
-                let utxos = result.data.txs;
-                console.debug("add-utxo", addr, rs, required_amount, utxos);
-                for (let i = 0; i < utxos.length && required_amount > 0; i++) {
-                    if (!utxos[i].confirmations) //ignore unconfirmed utxo
-                        continue;
-                    required_amount -= parseFloat(utxos[i].value);
-                    var script;
-                    if (rs) { //redeemScript for segwit/bech32
-                        let s = coinjs.script();
-                        s.writeBytes(Crypto.util.hexToBytes(rs));
-                        s.writeOp(0);
-                        s.writeBytes(coinjs.numToBytes((utxos[i].value * 100000000).toFixed(0), 8));
-                        script = Crypto.util.bytesToHex(s.buffer);
-                    } else //legacy script
-                        script = utxos[i].script_hex;
-                    tx.addinput(utxos[i].txid, utxos[i].output_no, script, 0xfffffffd /*sequence*/ ); //0xfffffffd for Replace-by-fee
-                }
-                addUTXOs(tx, senders, redeemScripts, required_amount, n + 1)
-                    .then(result => resolve(result))
-                    .catch(error => reject(error))
-            }).catch(error => reject(error))
-        })
-    }
-
-    btc_api.sendTx = function(senders, privkeys, receivers, amounts, fee, change_addr = null) {
-        return new Promise((resolve, reject) => {
-            //Add values into array (if single values are passed)
-            if (!Array.isArray(senders))
-                senders = [senders];
-            if (!Array.isArray(privkeys))
-                privkeys = [privkeys];
-            if (!Array.isArray(receivers))
-                receivers = [receivers];
-            if (!Array.isArray(amounts))
-                amounts = [amounts];
-
-            let invalids = [];
-            //validate tx-input parameters
-            if (senders.length != privkeys.length)
-                return reject("Array length for senders and privkeys should be equal");
-            const redeemScripts = [],
-                wif_keys = [];
-            for (let i in senders) {
-                if (!verifyKey(senders[i], privkeys[i])) //verify private-key
-                    invalids.push(senders[i]);
-                if (privkeys[i].length === 64) //convert Hex to WIF if needed
-                    privkeys[i] = coinjs.privkey2wif(privkeys[i]);
-                let rs = _redeemScript(senders[i], privkeys[i]); //get redeem-script (segwit/bech32)
-                redeemScripts.push(rs);
-                rs === false ? wif_keys.unshift(privkeys[i]) : wif_keys.push(privkeys[i]); //sorting private-keys (wif)
-            }
-            if (invalids.length)
-                return reject("Invalid keys:" + invalids);
-            if (typeof fee !== "number" || fee <= 0)
-                return reject("Invalid fee:" + fee);
-
-            //validate tx-output parameters
-            if (receivers.length != amounts.length)
-                return reject("Array length for receivers and amounts should be equal");
-            let total_amount = 0;
-            for (let i in receivers)
-                if (!validateAddress(receivers[i]))
-                    invalids.push(receivers[i]);
-            if (invalids.length)
-                return reject("Invalid receivers:" + invalids);
-            for (let i in amounts) {
-                if (typeof amounts[i] !== "number" || amounts[i] <= 0)
-                    invalids.push(amounts[i]);
-                else
-                    total_amount += amounts[i];
-            }
-            if (invalids.length)
-                return reject("Invalid amounts:" + invalids);
-            if (change_addr && !validateAddress(change_addr))
-                return reject("Invalid change_address:" + change_addr);
-
-            //create transaction
-            var tx = coinjs.transaction();
-            total_amount = parseFloat(total_amount.toFixed(8));
-            addUTXOs(tx, senders, redeemScripts, total_amount + fee).then(result => {
-                if (result > 0)
-                    return reject("Insufficient Balance");
-                for (let i in receivers)
-                    tx.addoutput(receivers[i], amounts[i]);
-                let change = parseFloat(Math.abs(result).toFixed(8));
-                if (change > 0)
-                    tx.addoutput(change_addr || senders[0], change);
-                console.debug("amounts (total, fee, change):", total_amount, fee, change);
-                console.debug("Unsigned:", tx.serialize());
-                new Set(wif_keys).forEach(key => console.debug("Signing key:", key, tx.sign(key, 1 /*sighashtype*/ ))); //Sign the tx using private key WIF
-
-                console.debug("Signed:", tx.serialize());
-                debugger;
-                broadcast(tx.serialize())
-                    .then(result => resolve(result))
-                    .catch(error => reject(error));
-            }).catch(error => reject(error))
-        })
-    };
-
-    btc_api.getTx = txid => new Promise((resolve, reject) => {
-        fetch_api(`get_tx/BTC/${txid}`)
-            .then(result => resolve(result.data))
-            .catch(error => reject(error))
-    });
-
-    btc_api.getAddressData = addr => new Promise((resolve, reject) => {
-        fetch_api(`address/BTC/${addr}`)
-            .then(result => resolve(result.data))
-            .catch(error => reject(error))
-    });
-
-    btc_api.getBlock = block => new Promise((resolve, reject) => {
-        fetch_api(`get_block/BTC/${block}`)
-            .then(result => resolve(result.data))
-            .catch(error => reject(error))
-    });
-
-})('object' === typeof module ? module.exports : window.btc_api = {});
\ No newline at end of file