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# FLO Scout
FLO Scout is RanchiMall's token and smart contract explorer.
All tokens, smart contracts, and their transactions (created on FLO blockchain) can be accessed on FLO Scout.
### Live URL for FLO Scout:
*https://ranchimall.github.io/floscout/*
## How to use
#### Search by address
i) On the homepage of FLO Scout, enter the FLO address/FLO ID and press Enter
ii) On the top it shows the FLO balance and the tokens and their respective balances of the FLO ID
iii) Next it shows the token transfers, amount of token transferred, or smart contract transactions of the FLO address
#### Search by transaction
i) Enter the transaction ID of a FLO blockchain token transfer in the search box
ii) This will give the token transfer detail of that transaction, including sender and receiver address, FLO data, amount of token transfer, and timestamp of the transaction
#### Search by token name
i) Enter the token name in the search box
ii) This will give the incorporation address of the token (an incorporation address is the creator address of the token), the total supply of the token, all token transactions, and the details of token holders
#### Search by smart contract
i) Enter the smart contract name in the search box
ii) This will give the following details of the smart contract:
    a) Smart contract type (continuous, or one-time event)
    b) Smart contract subtype (tokenswap)
    c) Contract address (the FLO address that created the smart contract)
    d) Other statistics (no. of deposits, no. of participants, oracle address, total output, and total balance)
    e) Both off-chain and on-chain data
    f) Off-chain data is sub-transactions inside the smart contract
#### Search by block
i) Enter the block number in the search box
ii) This will give the following details of the block:
    a) Relevant Transactions (no. of transactions inside the block)
    b) No. of confirmations
    c) Reward
    d) Block Hash
    e) Difficulty
    f) Transactions (token transfer details)

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<svg width="128" height="128" viewBox="0 0 128 128" fill="none" xmlns="http://www.w3.org/2000/svg">
<g clip-path="url(#clip0_3_34)">
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/**!
* FlexSearch.js v0.7.31 (Light)
* Copyright 2018-2022 Nextapps GmbH
* Author: Thomas Wilkerling
* Licence: Apache-2.0
* https://github.com/nextapps-de/flexsearch
*/
(function (self) {
'use strict'; function t(a) { return "undefined" !== typeof a ? a : !0 } function v(a) { const c = Array(a); for (let b = 0; b < a; b++)c[b] = y(); return c } function y() { return Object.create(null) } function z(a, c) { return c.length - a.length }; const A = /[\p{Z}\p{S}\p{P}\p{C}]+/u; function B(a, c) { const b = Object.keys(a), d = b.length, e = []; let h = "", f = 0; for (let g = 0, l, n; g < d; g++)l = b[g], (n = a[l]) ? (e[f++] = new RegExp(c ? "(?!\\b)" + l + "(\\b|_)" : l, "g"), e[f++] = n) : h += (h ? "|" : "") + l; h && (e[f++] = new RegExp(c ? "(?!\\b)(" + h + ")(\\b|_)" : "(" + h + ")", "g"), e[f] = ""); return e } function C(a, c) { for (let b = 0, d = c.length; b < d && (a = a.replace(c[b], c[b + 1]), a); b += 2); return a }; function D(a) { if (a = ("" + a).toLowerCase()) if (this.o && (a = C(a, this.o)), this.A && 1 < a.length && (a = C(a, this.A)), A || "" === A) if (a = a.split(A), this.filter) { var c = this.filter; const b = a.length, d = []; for (let e = 0, h = 0; e < b; e++) { const f = a[e]; f && !c[f] && (d[h++] = f) } a = d } return a }; const F = {}, G = {}; function H(a, c, b, d) {
const e = a.length; let h = [], f, g, l = 0; d && (d = []); for (let n = e - 1; 0 <= n; n--) { const m = a[n], r = m.length, p = y(); let q = !f; for (let k = 0; k < r; k++) { const u = m[k], M = u.length; if (M) for (let E = 0, x, w; E < M; E++)if (w = u[E], f) { if (f[w]) { if (!n) if (b) b--; else if (h[l++] = w, l === c) return h; if (n || d) p[w] = 1; q = !0 } if (d && (x = (g[w] || 0) + 1, g[w] = x, x < e)) { const N = d[x - 2] || (d[x - 2] = []); N[N.length] = w } } else p[w] = 1 } if (d) f || (g = p); else if (!q) return []; f = p } if (d) for (let n = d.length - 1, m, r; 0 <= n; n--) {
m = d[n]; r = m.length; for (let p = 0, q; p < r; p++)if (q =
m[p], !f[q]) { if (b) b--; else if (h[l++] = q, l === c) return h; f[q] = 1 }
} return h
}; function I(a, c) {
if (!(this instanceof I)) return new I(a); let b; if (a) { var d = a.charset; b = a.lang; "string" === typeof d && (-1 === d.indexOf(":") && (d += ":default"), d = G[d]); "string" === typeof b && (b = F[b]) } else a = {}; let e, h, f = a.context || {}; this.encode = a.encode || d && d.encode || D; this.register = c || y(); this.s = e = a.resolution || 9; this.B = c = d && d.B || a.tokenize || "strict"; this.i = "strict" === c && f.depth; this.j = t(f.bidirectional); this.g = h = t(a.optimize); this.m = t(a.fastupdate); this.h = a.minlength || 1; this.C = a.boost; this.map = h ? v(e) : y();
this.v = e = f.resolution || 1; this.l = h ? v(e) : y(); this.u = d && d.u || a.rtl; this.o = (c = a.matcher || b && b.o) && B(c, !1); this.A = (c = a.stemmer || b && b.A) && B(c, !0); if (a = c = a.filter || b && b.filter) { a = c; d = y(); for (let g = 0, l = a.length; g < l; g++)d[a[g]] = 1; a = d } this.filter = a
} I.prototype.append = function (a, c) { return this.add(a, c, !0) };
I.prototype.add = function (a, c, b, d) {
if (c && (a || 0 === a)) {
if (!d && !b && this.register[a]) return this.update(a, c); c = this.encode(c); if (d = c.length) {
const n = y(), m = y(), r = this.i, p = this.s; for (let q = 0; q < d; q++) {
let k = c[this.u ? d - 1 - q : q]; var e = k.length; if (k && e >= this.h && (r || !m[k])) {
var h = J(p, d, q), f = ""; switch (this.B) {
case "full": if (2 < e) { for (h = 0; h < e; h++)for (var g = e; g > h; g--)if (g - h >= this.h) { var l = J(p, d, q, e, h); f = k.substring(h, g); K(this, m, f, l, a, b) } break } case "reverse": if (1 < e) {
for (g = e - 1; 0 < g; g--)f = k[g] + f, f.length >= this.h && K(this,
m, f, J(p, d, q, e, g), a, b); f = ""
} case "forward": if (1 < e) { for (g = 0; g < e; g++)f += k[g], f.length >= this.h && K(this, m, f, h, a, b); break } default: if (this.C && (h = Math.min(h / this.C(c, k, q) | 0, p - 1)), K(this, m, k, h, a, b), r && 1 < d && q < d - 1) for (e = y(), f = this.v, h = k, g = Math.min(r + 1, d - q), e[h] = 1, l = 1; l < g; l++)if ((k = c[this.u ? d - 1 - q - l : q + l]) && k.length >= this.h && !e[k]) { e[k] = 1; const u = this.j && k > h; K(this, n, u ? h : k, J(f + (d / 2 > f ? 0 : 1), d, q, g - 1, l - 1), a, b, u ? k : h) }
}
}
} this.m || (this.register[a] = 1)
}
} return this
};
function J(a, c, b, d, e) { return b && 1 < a ? c + (d || 0) <= a ? b + (e || 0) : (a - 1) / (c + (d || 0)) * (b + (e || 0)) + 1 | 0 : 0 } function K(a, c, b, d, e, h, f) { let g = f ? a.l : a.map; if (!c[b] || f && !c[b][f]) a.g && (g = g[d]), f ? (c = c[b] || (c[b] = y()), c[f] = 1, g = g[f] || (g[f] = y())) : c[b] = 1, g = g[b] || (g[b] = []), a.g || (g = g[d] || (g[d] = [])), h && g.includes(e) || (g[g.length] = e, a.m && (a = a.register[e] || (a.register[e] = []), a[a.length] = g)) }
I.prototype.search = function (a, c, b) {
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r = a[b]; g ?
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} return H(d, c, f, h)
};
function L(a, c, b, d, e, h, f, g) { let l = [], n = g ? a.l : a.map; a.g || (n = P(n, f, g, a.j)); if (n) { let m = 0; const r = Math.min(n.length, g ? a.v : a.s); for (let p = 0, q = 0, k, u; p < r; p++)if (k = n[p]) if (a.g && (k = P(k, f, g, a.j)), e && k && h && (u = k.length, u <= e ? (e -= u, k = null) : (k = k.slice(e), e = 0)), k && (l[m++] = k, h && (q += k.length, q >= d))) break; if (m) { if (h) return O(l, d, 0); c[c.length] = l; return } } return !b && l } function O(a, c, b) { a = 1 === a.length ? a[0] : [].concat.apply([], a); return b || a.length > c ? a.slice(b, b + c) : a }
function P(a, c, b, d) { b ? (d = d && c > b, a = (a = a[d ? c : b]) && a[d ? b : c]) : a = a[c]; return a } I.prototype.contain = function (a) { return !!this.register[a] }; I.prototype.update = function (a, c) { return this.remove(a).add(a, c) }; I.prototype.remove = function (a, c) { const b = this.register[a]; if (b) { if (this.m) for (let d = 0, e; d < b.length; d++)e = b[d], e.splice(e.indexOf(a), 1); else Q(this.map, a, this.s, this.g), this.i && Q(this.l, a, this.v, this.g); c || delete this.register[a] } return this };
function Q(a, c, b, d, e) { let h = 0; if (a.constructor === Array) if (e) c = a.indexOf(c), -1 !== c ? 1 < a.length && (a.splice(c, 1), h++) : h++; else { e = Math.min(a.length, b); for (let f = 0, g; f < e; f++)if (g = a[f]) h = Q(g, c, b, d, e), d || h || delete a[f] } else for (let f in a) (h = Q(a[f], c, b, d, e)) || delete a[f]; return h }; const R = self; let S; const T = { Index: I, Document: null, Worker: null, registerCharset: function (a, c) { G[a] = c }, registerLanguage: function (a, c) { F[a] = c } }; (S = R.define) && S.amd ? S([], function () { return T }) : R.exports ? R.exports = T : R.FlexSearch = T;
}(this));

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(function (EXPORTS) { //floCrypto v2.3.6a
/* FLO Crypto Operators */
'use strict';
const floCrypto = EXPORTS;
const p = BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16);
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();
// x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
}
function getUncompressedPublicKey(compressedPublicKey) {
// Fetch x from compressedPublicKey
let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
const prefix = pubKeyBytes.shift() // remove prefix
let prefix_modulus = prefix % 2;
pubKeyBytes.unshift(0) // add prefix 0
let x = new BigInteger(pubKeyBytes)
let xDecimalValue = x.toString()
// Fetch y
let y = calculateY(x);
let yDecimalValue = y.toString();
// verify y value
let resultBigInt = y.mod(BigInteger("2"));
let check = resultBigInt.toString() % 2;
if (prefix_modulus !== check)
yDecimalValue = y.negate().mod(p).toString();
return {
x: xDecimalValue,
y: yDecimalValue
};
}
function getSenderPublicKeyString() {
let privateKey = ellipticCurveEncryption.senderRandom();
var senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
return {
privateKey: privateKey,
senderPublicKeyString: senderPublicKeyString
}
}
function deriveSharedKeySender(receiverPublicKeyHex, senderPrivateKey) {
let receiverPublicKeyString = getUncompressedPublicKey(receiverPublicKeyHex);
var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
return senderDerivedKey;
}
function deriveSharedKeyReceiver(senderPublicKeyString, receiverPrivateKey) {
return ellipticCurveEncryption.receiverSharedKeyDerivation(
senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
}
function getReceiverPublicKeyString(privateKey) {
return ellipticCurveEncryption.receiverPublicString(privateKey);
}
function wifToDecimal(pk_wif, isPubKeyCompressed = false) {
let pk = Bitcoin.Base58.decode(pk_wif)
pk.shift()
pk.splice(-4, 4)
//If the private key corresponded to a compressed public key, also drop the last byte (it should be 0x01).
if (isPubKeyCompressed == true) pk.pop()
pk.unshift(0)
let privateKeyDecimal = BigInteger(pk).toString()
let privateKeyHex = Crypto.util.bytesToHex(pk)
return {
privateKeyDecimal: privateKeyDecimal,
privateKeyHex: privateKeyHex
}
}
//generate a random Interger within range
floCrypto.randInt = function (min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(securedMathRandom() * (max - min + 1)) + min;
}
//generate a random String within length (options : alphaNumeric chars only)
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(securedMathRandom() * characters.length));
return result;
}
//Encrypt Data using public-key
floCrypto.encryptData = function (data, receiverPublicKeyHex) {
var senderECKeyData = getSenderPublicKeyString();
var senderDerivedKey = deriveSharedKeySender(receiverPublicKeyHex, senderECKeyData.privateKey);
let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
let secret = Crypto.AES.encrypt(data, senderKey);
return {
secret: secret,
senderPublicKeyString: senderECKeyData.senderPublicKeyString
};
}
//Decrypt Data using private-key
floCrypto.decryptData = function (data, privateKeyHex) {
var receiverECKeyData = {};
if (typeof privateKeyHex !== "string") throw new Error("No private key found.");
let privateKey = wifToDecimal(privateKeyHex, true);
if (typeof privateKey.privateKeyDecimal !== "string") throw new Error("Failed to detremine your private key.");
receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
var receiverDerivedKey = deriveSharedKeyReceiver(data.senderPublicKeyString, receiverECKeyData.privateKey);
let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
return decryptMsg;
}
//Sign data using private-key
floCrypto.signData = function (data, privateKeyHex) {
var key = new Bitcoin.ECKey(privateKeyHex);
var messageHash = Crypto.SHA256(data);
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) {
var msgHash = Crypto.SHA256(data);
var sigBytes = Crypto.util.hexToBytes(signatureHex);
var publicKeyPoint = ecparams.getCurve().decodePointHex(publicKeyHex);
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 () {
var key = new Bitcoin.ECKey(false);
key.setCompressed(true);
return {
floID: key.getBitcoinAddress(),
pubKey: key.getPubKeyHex(),
privKey: key.getBitcoinWalletImportFormat()
}
}
Object.defineProperties(floCrypto, {
newID: {
get: () => generateNewID()
},
hashID: {
value: (str) => {
let bytes = ripemd160(Crypto.SHA256(str, { asBytes: true }), { asBytes: true });
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));
}
},
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) {
if (!privateKeyHex)
return null;
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return null;
key.setCompressed(true);
return key.getPubKeyHex();
}
//Returns flo-ID from public-key or private-key
floCrypto.getFloID = function (keyHex) {
if (!keyHex)
return null;
try {
var key = new Bitcoin.ECKey(keyHex);
if (key.priv == null)
key.setPub(keyHex);
return key.getBitcoinAddress();
} catch {
return null;
}
}
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) {
if (!privateKeyHex || !pubKey_floID)
return false;
try {
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return false;
key.setCompressed(true);
if (isfloID && pubKey_floID == key.getBitcoinAddress())
return true;
else if (!isfloID && pubKey_floID.toUpperCase() == key.getPubKeyHex().toUpperCase())
return true;
else
return false;
} catch {
return null;
}
}
floCrypto.getMultisigAddress = function (publicKeyList, requiredSignatures) {
if (!Array.isArray(publicKeyList) || !publicKeyList.length)
return null;
if (!Number.isInteger(requiredSignatures) || requiredSignatures < 1 || requiredSignatures > publicKeyList.length)
return null;
try {
var multisig = bitjs.pubkeys2multisig(publicKeyList, requiredSignatures);
return multisig;
} catch {
return null;
}
}
floCrypto.decodeRedeemScript = function (redeemScript) {
try {
var decoded = bitjs.transaction().decodeRedeemScript(redeemScript);
return decoded;
} catch {
return null;
}
}
//Check if the given flo-id is valid or not
floCrypto.validateFloID = function (floID, regularOnly = false) {
if (!floID)
return false;
try {
let addr = new Bitcoin.Address(floID);
if (regularOnly && addr.version != Bitcoin.Address.standardVersion)
return false;
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 (or redeem-script) for the address (any blockchain)
floCrypto.verifyPubKey = function (pubKeyHex, address) {
let raw = decodeAddress(address);
if (!raw)
return;
let pub_hash = Crypto.util.bytesToHex(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubKeyHex), { asBytes: true })));
if (typeof raw.bech_version !== 'undefined' && raw.bytes.length == 32) //bech32-multisig
raw.hex = Crypto.util.bytesToHex(ripemd160(raw.bytes, { asBytes: true }));
return pub_hash === raw.hex;
}
//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 (optional) version check is passed
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)));
}
//Convert raw address bytes to floID
floCrypto.rawToFloID = function (raw_bytes) {
if (typeof raw_bytes === 'string')
raw_bytes = Crypto.util.hexToBytes(raw_bytes);
if (raw_bytes.length != 20)
return null;
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)));
}
//Convert the given multisig address (any blockchain) to equivalent multisig floID
floCrypto.toMultisigFloID = function (address, options = null) {
if (!address)
return;
let raw = decodeAddress(address);
if (!raw)
return;
else if (options) { //if (optional) version check is passed
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;
}
if (typeof raw.bech_version !== 'undefined') {
if (raw.bytes.length != 32) return; //multisig bech address have 32 bytes
//multisig-bech:hash=SHA256 whereas multisig:hash=r160(SHA265), thus ripemd160 the bytes from multisig-bech
raw.bytes = ripemd160(raw.bytes, {
asBytes: true
});
}
raw.bytes.unshift(bitjs.multisig);
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 {
if (typeof raw1.bech_version !== 'undefined' && raw1.bytes.length == 32) //bech32-multisig
raw1.hex = Crypto.util.bytesToHex(ripemd160(raw1.bytes, { asBytes: true }));
if (typeof raw2.bech_version !== 'undefined' && raw2.bytes.length == 32) //bech32-multisig
raw2.hex = Crypto.util.bytesToHex(ripemd160(raw2.bytes, { asBytes: true }));
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 || address.length == 62) { //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) {
try {
if (str.length > 0) {
var strHex = shamirSecretShare.str2hex(str);
var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
return shares;
}
return false;
} catch {
return false
}
}
//Returns the retrived secret by combining the shamirs shares
const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function (sharesArray) {
try {
if (sharesArray.length > 0) {
var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
comb = shamirSecretShare.hex2str(comb);
return comb;
}
return false;
} catch {
return false;
}
}
//Verifies the shares and str
floCrypto.verifyShamirsSecret = function (sharesArray, str) {
if (!str)
return null;
else if (retrieveShamirSecret(sharesArray) === str)
return true;
else
return false;
}
const validateASCII = floCrypto.validateASCII = function (string, bool = true) {
if (typeof string !== "string")
return null;
if (bool) {
let x;
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
return false;
}
return true;
} else {
let x, invalids = {};
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
if (x in invalids)
invalids[string[i]].push(i)
else
invalids[string[i]] = [i];
}
if (Object.keys(invalids).length)
return invalids;
else
return true;
}
}
floCrypto.convertToASCII = function (string, mode = 'soft-remove') {
let chars = validateASCII(string, false);
if (chars === true)
return string;
else if (chars === null)
return null;
let convertor, result = string,
refAlt = {};
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)}`;
else if (mode === "soft-unicode")
convertor = (c) => refAlt[c] || `\\u${('000' + c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "hard-remove")
convertor = c => "";
else if (mode === "soft-remove")
convertor = c => refAlt[c] || "";
else
return null;
for (let c in chars)
result = result.replaceAll(c, convertor(c));
return result;
}
floCrypto.revertUnicode = function (string) {
return string.replace(/\\u[\dA-F]{4}/gi,
m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
}
})('object' === typeof module ? module.exports : window.floCrypto = {});

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(function (EXPORTS) { //floTokenAPI v1.0.4a
/* 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: floGlobals.currency || "rupee"
}
Object.defineProperties(tokenAPI, {
URL: {
get: () => DEFAULT.apiURL
},
currency: {
get: () => DEFAULT.currency,
set: currency => DEFAULT.currency = currency
}
});
if (floGlobals.currency) tokenAPI.currency = floGlobals.currency;
Object.defineProperties(floGlobals, {
currency: {
get: () => DEFAULT.currency,
set: currency => DEFAULT.currency = currency
}
});
const fetch_api = tokenAPI.fetch = function (apicall) {
return new Promise((resolve, reject) => {
console.debug(DEFAULT.apiURL + apicall);
fetch(DEFAULT.apiURL + apicall).then(response => {
if (response.ok)
response.json().then(data => resolve(data));
else
reject(response)
}).catch(error => reject(error))
})
}
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))
.catch(error => reject(error))
})
}
tokenAPI.getTx = function (txID) {
return new Promise((resolve, reject) => {
fetch_api(`api/v1.0/getTransactionDetails/${txID}`).then(res => {
if (res.result === "error")
reject(res.description);
else if (!res.parsedFloData)
reject("Data piece (parsedFloData) missing");
else if (!res.transactionDetails)
reject("Data piece (transactionDetails) missing");
else
resolve(res);
}).catch(error => reject(error))
})
}
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)
return reject("Invalid amount");
getBalance(senderID, token).then(bal => {
if (amount > bal)
return reject(`Insufficient ${token}# balance`);
floBlockchainAPI.writeData(senderID, `send ${amount} ${token}# ${message}`, privKey, receiverID, options)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
});
}
function sendTokens_raw(privKey, receiverID, token, amount, utxo, vout, scriptPubKey) {
return new Promise((resolve, reject) => {
var trx = bitjs.transaction();
trx.addinput(utxo, vout, scriptPubKey)
trx.addoutput(receiverID, floBlockchainAPI.sendAmt);
trx.addflodata(`send ${amount} ${token}#`);
var signedTxHash = trx.sign(privKey, 1);
floBlockchainAPI.broadcastTx(signedTxHash)
.then(txid => resolve([receiverID, txid]))
.catch(error => reject([receiverID, error]))
})
}
//bulk transfer tokens
tokenAPI.bulkTransferTokens = function (sender, privKey, token, receivers) {
return new Promise((resolve, reject) => {
if (typeof receivers !== 'object')
return reject("receivers must be object in format {receiver1: amount1, receiver2:amount2...}")
let receiver_list = Object.keys(receivers), amount_list = Object.values(receivers);
let invalidReceivers = receiver_list.filter(id => !floCrypto.validateFloID(id));
let invalidAmount = amount_list.filter(val => typeof val !== 'number' || val <= 0);
if (invalidReceivers.length)
return reject(`Invalid receivers: ${invalidReceivers}`);
else if (invalidAmount.length)
return reject(`Invalid amounts: ${invalidAmount}`);
if (receiver_list.length == 0)
return reject("Receivers cannot be empty");
if (receiver_list.length == 1) {
let receiver = receiver_list[0], amount = amount_list[0];
floTokenAPI.sendToken(privKey, amount, receiver, "", token)
.then(txid => resolve({ success: { [receiver]: txid } }))
.catch(error => reject(error))
} else {
//check for token balance
floTokenAPI.getBalance(sender, token).then(token_balance => {
let total_token_amout = amount_list.reduce((a, e) => a + e, 0);
if (total_token_amout > token_balance)
return reject(`Insufficient ${token}# balance`);
//split utxos
floBlockchainAPI.splitUTXOs(sender, privKey, receiver_list.length).then(split_txid => {
//wait for the split utxo to get confirmation
floBlockchainAPI.waitForConfirmation(split_txid).then(split_tx => {
//send tokens using the split-utxo
var scriptPubKey = split_tx.vout[0].scriptPubKey.hex;
let promises = [];
for (let i in receiver_list)
promises.push(sendTokens_raw(privKey, receiver_list[i], token, amount_list[i], split_txid, i, scriptPubKey));
Promise.allSettled(promises).then(results => {
let success = Object.fromEntries(results.filter(r => r.status == 'fulfilled').map(r => r.value));
let failed = Object.fromEntries(results.filter(r => r.status == 'rejected').map(r => r.reason));
resolve({ success, failed });
})
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
}
})
}
tokenAPI.getAllTxs = function (floID, token = DEFAULT.currency) {
return new Promise((resolve, reject) => {
fetch_api(`api/v1.0/getFloAddressTransactions?token=${token}&floAddress=${floID}`)
.then(result => resolve(result))
.catch(error => reject(error))
})
}
const util = tokenAPI.util = {};
util.parseTxData = function (txData) {
let parsedData = {};
for (let p in txData.parsedFloData)
parsedData[p] = txData.parsedFloData[p];
parsedData.sender = txData.transactionDetails.vin[0].addr;
for (let vout of txData.transactionDetails.vout)
if (vout.scriptPubKey.addresses[0] !== parsedData.sender)
parsedData.receiver = vout.scriptPubKey.addresses[0];
parsedData.time = txData.transactionDetails.time;
return parsedData;
}
})('object' === typeof module ? module.exports : window.floTokenAPI = {});

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