remove stdops
This commit is contained in:
sairajzero
parent
abb37627a8
commit
5db3902cea
@ -1,851 +0,0 @@
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(function (EXPORTS) { //btcOperator v1.1.1
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/* BTC Crypto and API Operator */
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const btcOperator = EXPORTS;
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//This library uses API provided by chain.so (https://chain.so/)
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const URL = "https://blockchain.info/";
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const fetch_api = btcOperator.fetch = function (api, json_res = true) {
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return new Promise((resolve, reject) => {
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console.debug(URL + api);
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fetch(URL + api).then(response => {
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if (response.ok) {
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(json_res ? response.json() : response.text())
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.then(result => resolve(result))
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.catch(error => reject(error))
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} else {
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response.json()
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.then(result => reject(result))
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.catch(error => reject(error))
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}
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}).catch(error => reject(error))
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})
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};
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const SATOSHI_IN_BTC = 1e8;
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const util = btcOperator.util = {};
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util.Sat_to_BTC = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8));
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util.BTC_to_Sat = value => parseInt(value * SATOSHI_IN_BTC);
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function get_fee_rate() {
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return new Promise((resolve, reject) => {
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fetch('https://api.blockchain.info/mempool/fees').then(response => {
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if (response.ok)
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response.json()
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.then(result => resolve(util.Sat_to_BTC(result.regular)))
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.catch(error => reject(error));
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else
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reject(response);
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}).catch(error => reject(error))
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})
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}
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const broadcastTx = btcOperator.broadcastTx = rawTxHex => new Promise((resolve, reject) => {
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let url = 'https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction';
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fetch(url, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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body: "rawtx=" + rawTxHex
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}).then(response => {
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response.text().then(resultText => {
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let r = resultText.match(/<result>.*<\/result>/);
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if (!r)
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reject(resultText);
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else {
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r = r.pop().replace('<result>', '').replace('</result>', '');
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if (r == '1') {
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let txid = resultText.match(/<txid>.*<\/txid>/).pop().replace('<txid>', '').replace('</txid>', '');
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resolve(txid);
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} else if (r == '0') {
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let error = resultText.match(/<response>.*<\/response>/).pop().replace('<response>', '').replace('</response>', '');
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reject(decodeURIComponent(error.replace(/\+/g, " ")));
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} else reject(resultText);
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}
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}).catch(error => reject(error))
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}).catch(error => reject(error))
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});
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Object.defineProperties(btcOperator, {
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newKeys: {
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get: () => {
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let r = coinjs.newKeys();
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r.segwitAddress = coinjs.segwitAddress(r.pubkey).address;
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r.bech32Address = coinjs.bech32Address(r.pubkey).address;
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return r;
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}
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},
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pubkey: {
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value: key => key.length >= 66 ? key : (key.length == 64 ? coinjs.newPubkey(key) : coinjs.wif2pubkey(key).pubkey)
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},
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address: {
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value: (key, prefix = undefined) => coinjs.pubkey2address(btcOperator.pubkey(key), prefix)
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},
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segwitAddress: {
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value: key => coinjs.segwitAddress(btcOperator.pubkey(key)).address
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},
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bech32Address: {
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value: key => coinjs.bech32Address(btcOperator.pubkey(key)).address
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}
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});
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coinjs.compressed = true;
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const verifyKey = btcOperator.verifyKey = function (addr, key) {
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if (!addr || !key)
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return undefined;
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return btcOperator.address(key) === addr;
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case "multisig":
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return btcOperator.segwitAddress(key) === addr;
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case "bech32":
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return btcOperator.bech32Address(key) === addr;
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default:
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return null;
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}
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}
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const validateAddress = btcOperator.validateAddress = function (addr) {
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if (!addr)
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return undefined;
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let type = coinjs.addressDecode(addr).type;
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if (["standard", "multisig", "bech32", "multisigBech32"].includes(type))
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return type;
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else
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return false;
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}
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btcOperator.multiSigAddress = function (pubKeys, minRequired, bech32 = true) {
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if (!Array.isArray(pubKeys))
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throw "pubKeys must be an array of public keys";
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else if (pubKeys.length < minRequired)
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throw "minimum required should be less than the number of pubKeys";
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if (bech32)
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return coinjs.pubkeys2MultisigAddressBech32(pubKeys, minRequired);
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else
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return coinjs.pubkeys2MultisigAddress(pubKeys, minRequired);
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}
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//convert from one blockchain to another blockchain (target version)
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btcOperator.convert = {};
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btcOperator.convert.wif = function (source_wif, target_version = coinjs.priv) {
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let keyHex = decodeLegacy(source_wif).hex;
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if (!keyHex || keyHex.length < 66 || !/01$/.test(keyHex))
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return null;
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else
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return encodeLegacy(keyHex, target_version);
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}
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btcOperator.convert.legacy2legacy = function (source_addr, target_version = coinjs.pub) {
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let rawHex = decodeLegacy(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeLegacy(rawHex, target_version);
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}
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btcOperator.convert.legacy2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
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let rawHex = decodeLegacy(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeBech32(rawHex, target_version, target_hrp);
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}
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btcOperator.convert.bech2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
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let rawHex = decodeBech32(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeBech32(rawHex, target_version, target_hrp);
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}
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btcOperator.convert.bech2legacy = function (source_addr, target_version = coinjs.pub) {
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let rawHex = decodeBech32(source_addr).hex;
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if (!rawHex)
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return null;
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else
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return encodeLegacy(rawHex, target_version);
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}
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function decodeLegacy(source) {
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var decode = coinjs.base58decode(source);
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var raw = decode.slice(0, decode.length - 4),
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checksum = decode.slice(decode.length - 4);
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var hash = Crypto.SHA256(Crypto.SHA256(raw, {
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asBytes: true
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}), {
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asBytes: true
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});
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if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
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return null;
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let version = raw.shift();
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return {
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version: version,
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hex: Crypto.util.bytesToHex(raw)
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}
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}
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function encodeLegacy(hex, version) {
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var bytes = Crypto.util.hexToBytes(hex);
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bytes.unshift(version);
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var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
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asBytes: true
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}), {
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asBytes: true
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});
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var checksum = hash.slice(0, 4);
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return coinjs.base58encode(bytes.concat(checksum));
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}
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function decodeBech32(source) {
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let decode = coinjs.bech32_decode(source);
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if (!decode)
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return null;
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var raw = decode.data;
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let version = raw.shift();
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raw = coinjs.bech32_convert(raw, 5, 8, false);
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return {
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hrp: decode.hrp,
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version: version,
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hex: Crypto.util.bytesToHex(raw)
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}
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}
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function encodeBech32(hex, version, hrp) {
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var bytes = Crypto.util.hexToBytes(hex);
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bytes = coinjs.bech32_convert(bytes, 8, 5, true);
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bytes.unshift(version)
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return coinjs.bech32_encode(hrp, bytes);
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}
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//BTC blockchain APIs
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btcOperator.getBalance = addr => new Promise((resolve, reject) => {
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fetch_api(`q/addressbalance/${addr}`)
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.then(result => resolve(util.Sat_to_BTC(result)))
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.catch(error => reject(error))
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});
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const BASE_TX_SIZE = 12,
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BASE_INPUT_SIZE = 41,
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LEGACY_INPUT_SIZE = 107,
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BECH32_INPUT_SIZE = 27,
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BECH32_MULTISIG_INPUT_SIZE = 35,
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SEGWIT_INPUT_SIZE = 59,
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MULTISIG_INPUT_SIZE_ES = 351,
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BASE_OUTPUT_SIZE = 9,
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LEGACY_OUTPUT_SIZE = 25,
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BECH32_OUTPUT_SIZE = 23,
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BECH32_MULTISIG_OUTPUT_SIZE = 34,
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SEGWIT_OUTPUT_SIZE = 23;
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function _redeemScript(addr, key) {
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let decode = coinjs.addressDecode(addr);
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switch (decode.type) {
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case "standard":
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return false;
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case "multisig":
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return key ? coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript : null;
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case "bech32":
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return decode.redeemscript;
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default:
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return null;
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}
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}
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function _sizePerInput(addr, rs) {
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return BASE_INPUT_SIZE + LEGACY_INPUT_SIZE;
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case "bech32":
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return BASE_INPUT_SIZE + BECH32_INPUT_SIZE;
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case "multisigBech32":
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return BASE_INPUT_SIZE + BECH32_MULTISIG_INPUT_SIZE;
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case "multisig":
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switch (coinjs.script().decodeRedeemScript(rs).type) {
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case "segwit__":
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return BASE_INPUT_SIZE + SEGWIT_INPUT_SIZE;
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case "multisig__":
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return BASE_INPUT_SIZE + MULTISIG_INPUT_SIZE_ES;
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default:
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return null;
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};
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default:
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return null;
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}
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}
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function _sizePerOutput(addr) {
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switch (coinjs.addressDecode(addr).type) {
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case "standard":
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return BASE_OUTPUT_SIZE + LEGACY_OUTPUT_SIZE;
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case "bech32":
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return BASE_OUTPUT_SIZE + BECH32_OUTPUT_SIZE;
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case "multisigBech32":
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return BASE_OUTPUT_SIZE + BECH32_MULTISIG_OUTPUT_SIZE;
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case "multisig":
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return BASE_OUTPUT_SIZE + SEGWIT_OUTPUT_SIZE;
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default:
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return null;
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}
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}
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function validateTxParameters(parameters) {
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let invalids = [];
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//sender-ids
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if (parameters.senders) {
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if (!Array.isArray(parameters.senders))
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parameters.senders = [parameters.senders];
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parameters.senders.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
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if (invalids.length)
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throw "Invalid senders:" + invalids;
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}
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if (parameters.privkeys) {
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if (!Array.isArray(parameters.privkeys))
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parameters.privkeys = [parameters.privkeys];
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if (parameters.senders.length != parameters.privkeys.length)
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throw "Array length for senders and privkeys should be equal";
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parameters.senders.forEach((id, i) => {
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let key = parameters.privkeys[i];
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if (!verifyKey(id, key)) //verify private-key
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invalids.push(id);
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if (key.length === 64) //convert Hex to WIF if needed
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parameters.privkeys[i] = coinjs.privkey2wif(key);
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});
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if (invalids.length)
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throw "Invalid private key for address:" + invalids;
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}
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//receiver-ids (and change-id)
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if (!Array.isArray(parameters.receivers))
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parameters.receivers = [parameters.receivers];
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parameters.receivers.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
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if (invalids.length)
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throw "Invalid receivers:" + invalids;
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if (parameters.change_address && !validateAddress(parameters.change_address))
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throw "Invalid change_address:" + parameters.change_address;
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//fee and amounts
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if ((typeof parameters.fee !== "number" || parameters.fee <= 0) && parameters.fee !== null) //fee = null (auto calc)
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throw "Invalid fee:" + parameters.fee;
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if (!Array.isArray(parameters.amounts))
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parameters.amounts = [parameters.amounts];
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if (parameters.receivers.length != parameters.amounts.length)
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throw "Array length for receivers and amounts should be equal";
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parameters.amounts.forEach(a => typeof a !== "number" || a <= 0 ? invalids.push(a) : null);
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if (invalids.length)
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throw "Invalid amounts:" + invalids;
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//return
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return parameters;
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}
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function createTransaction(senders, redeemScripts, receivers, amounts, fee, change_address, fee_from_receiver) {
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return new Promise((resolve, reject) => {
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let total_amount = parseFloat(amounts.reduce((t, a) => t + a, 0).toFixed(8));
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const tx = coinjs.transaction();
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let output_size = addOutputs(tx, receivers, amounts, change_address);
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addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver).then(result => {
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if (result.change_amount > 0 && result.change_amount > result.fee) //add change amount if any (ignore dust change)
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tx.outs[tx.outs.length - 1].value = util.BTC_to_Sat(result.change_amount); //values are in satoshi
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if (fee_from_receiver) { //deduce fee from receivers if fee_from_receiver
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let fee_remaining = util.BTC_to_Sat(result.fee);
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for (let i = 0; i < tx.outs.length - 1 && fee_remaining > 0; i++) {
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if (fee_remaining < tx.outs[i].value) {
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tx.outs[i].value -= fee_remaining;
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fee_remaining = 0;
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} else {
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fee_remaining -= tx.outs[i].value;
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tx.outs[i].value = 0;
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}
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}
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if (fee_remaining > 0)
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return reject("Send amount is less than fee");
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}
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tx.outs = tx.outs.filter(o => o.value != 0); //remove all output with value 0
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result.output_size = output_size;
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result.output_amount = total_amount - (fee_from_receiver ? result.fee : 0);
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result.total_size = BASE_TX_SIZE + output_size + result.input_size;
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result.transaction = tx;
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resolve(result);
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}).catch(error => reject(error))
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})
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}
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function addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver) {
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return new Promise((resolve, reject) => {
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if (fee !== null) {
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addUTXOs(tx, senders, redeemScripts, fee_from_receiver ? total_amount : total_amount + fee, false).then(result => {
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result.fee = fee;
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resolve(result);
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}).catch(error => reject(error))
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} else {
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get_fee_rate().then(fee_rate => {
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let net_fee = BASE_TX_SIZE * fee_rate;
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net_fee += (output_size * fee_rate);
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(fee_from_receiver ?
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addUTXOs(tx, senders, redeemScripts, total_amount, false) :
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addUTXOs(tx, senders, redeemScripts, total_amount + net_fee, fee_rate)
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).then(result => {
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result.fee = parseFloat((net_fee + (result.input_size * fee_rate)).toFixed(8));
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result.fee_rate = fee_rate;
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resolve(result);
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}).catch(error => reject(error))
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}).catch(error => reject(error))
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}
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})
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}
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function addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args = {}) {
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return new Promise((resolve, reject) => {
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required_amount = parseFloat(required_amount.toFixed(8));
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if (typeof rec_args.n === "undefined") {
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rec_args.n = 0;
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rec_args.input_size = 0;
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rec_args.input_amount = 0;
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}
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if (required_amount <= 0)
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return resolve({
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input_size: rec_args.input_size,
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input_amount: rec_args.input_amount,
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change_amount: required_amount * -1 //required_amount will be -ve of change_amount
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});
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else if (rec_args.n >= senders.length)
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return reject("Insufficient Balance");
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let addr = senders[rec_args.n],
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rs = redeemScripts[rec_args.n];
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let addr_type = coinjs.addressDecode(addr).type;
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let size_per_input = _sizePerInput(addr, rs);
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fetch_api(`unspent?active=${addr}`).then(result => {
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let utxos = result.unspent_outputs;
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console.debug("add-utxo", addr, rs, required_amount, utxos);
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for (let i = 0; i < utxos.length && required_amount > 0; i++) {
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if (!utxos[i].confirmations) //ignore unconfirmed utxo
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continue;
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var script;
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if (!rs || !rs.length) //legacy script
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script = utxos[i].script;
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else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi)) || addr_type === 'multisigBech32') {
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//redeemScript for segwit/bech32 and multisig (bech32)
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let s = coinjs.script();
|
||||
s.writeBytes(Crypto.util.hexToBytes(rs));
|
||||
s.writeOp(0);
|
||||
s.writeBytes(coinjs.numToBytes(utxos[i].value.toFixed(0), 8));
|
||||
script = Crypto.util.bytesToHex(s.buffer);
|
||||
} else //redeemScript for multisig (segwit)
|
||||
script = rs;
|
||||
tx.addinput(utxos[i].tx_hash_big_endian, utxos[i].tx_output_n, script, 0xfffffffd /*sequence*/); //0xfffffffd for Replace-by-fee
|
||||
//update track values
|
||||
rec_args.input_size += size_per_input;
|
||||
rec_args.input_amount += util.Sat_to_BTC(utxos[i].value);
|
||||
required_amount -= util.Sat_to_BTC(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(`rawtx/${txid}`)
|
||||
.then(result => resolve(result.out[i]))
|
||||
.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.addr,
|
||||
value: util.Sat_to_BTC(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: util.Sat_to_BTC(out.value)
|
||||
}
|
||||
});
|
||||
//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);
|
||||
}
|
||||
|
||||
const getLatestBlock = btcOperator.getLatestBlock = () => new Promise((resolve, reject) => {
|
||||
fetch_api(`q/getblockcount`)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error))
|
||||
})
|
||||
|
||||
btcOperator.getTx = txid => new Promise((resolve, reject) => {
|
||||
fetch_api(`rawtx/${txid}`).then(result => {
|
||||
getLatestBlock().then(latest_block => resolve({
|
||||
block: result.block_height,
|
||||
txid: result.hash,
|
||||
time: result.time * 1000,
|
||||
confirmations: result.block_height === null ? 0 : latest_block - result.block_height, //calculate confirmations using latest block number as api doesnt relay it
|
||||
size: result.size,
|
||||
fee: util.Sat_to_BTC(result.fee),
|
||||
inputs: result.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
|
||||
total_input_value: util.Sat_to_BTC(result.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
|
||||
outputs: result.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
|
||||
total_output_value: util.Sat_to_BTC(result.out.reduce((a, o) => a += o.value, 0)),
|
||||
}))
|
||||
}).catch(error => reject(error))
|
||||
});
|
||||
|
||||
btcOperator.getTx.hex = txid => new Promise((resolve, reject) => {
|
||||
fetch_api(`rawtx/${txid}?format=hex`, false)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error))
|
||||
})
|
||||
|
||||
btcOperator.getAddressData = address => new Promise((resolve, reject) => {
|
||||
fetch_api(`rawaddr/${address}`).then(data => {
|
||||
let details = {};
|
||||
details.balance = util.Sat_to_BTC(data.final_balance);
|
||||
details.address = data.address;
|
||||
details.txs = data.txs.map(tx => {
|
||||
let d = {
|
||||
txid: tx.hash,
|
||||
time: tx.time * 1000, //s to ms
|
||||
block: tx.block_height,
|
||||
}
|
||||
//sender list
|
||||
d.tx_senders = {};
|
||||
tx.inputs.forEach(i => {
|
||||
if (i.prev_out.addr in d.tx_senders)
|
||||
d.tx_senders[i.prev_out.addr] += i.prev_out.value;
|
||||
else d.tx_senders[i.prev_out.addr] = i.prev_out.value;
|
||||
});
|
||||
d.tx_input_value = 0;
|
||||
for (let s in d.tx_senders) {
|
||||
let val = d.tx_senders[s];
|
||||
d.tx_senders[s] = util.Sat_to_BTC(val);
|
||||
d.tx_input_value += val;
|
||||
}
|
||||
d.tx_input_value = util.Sat_to_BTC(d.tx_input_value);
|
||||
//receiver list
|
||||
d.tx_receivers = {};
|
||||
tx.out.forEach(o => {
|
||||
if (o.addr in d.tx_receivers)
|
||||
d.tx_receivers[o.addr] += o.value;
|
||||
else d.tx_receivers[o.addr] = o.value;
|
||||
});
|
||||
d.tx_output_value = 0;
|
||||
for (let r in d.tx_receivers) {
|
||||
let val = d.tx_receivers[r];
|
||||
d.tx_receivers[r] = util.Sat_to_BTC(val);
|
||||
d.tx_output_value += val;
|
||||
}
|
||||
d.tx_output_value = util.Sat_to_BTC(d.tx_output_value);
|
||||
d.tx_fee = util.Sat_to_BTC(tx.fee);
|
||||
//tx type
|
||||
if (tx.result > 0) { //net > 0, balance inc => type=in
|
||||
d.type = "in";
|
||||
d.amount = util.Sat_to_BTC(tx.result);
|
||||
d.sender = Object.keys(d.tx_senders).filter(s => s !== address);
|
||||
} else if (Object.keys(d.tx_receivers).some(r => r !== address)) { //net < 0, balance dec & receiver present => type=out
|
||||
d.type = "out";
|
||||
d.amount = util.Sat_to_BTC(tx.result * -1);
|
||||
d.receiver = Object.keys(d.tx_receivers).filter(r => r !== address);
|
||||
d.fee = d.tx_fee;
|
||||
} else { //net < 0 (fee) & no other id in receiver list => type=self
|
||||
d.type = "self";
|
||||
d.amount = d.tx_receivers[address];
|
||||
d.address = address
|
||||
}
|
||||
return d;
|
||||
})
|
||||
resolve(details);
|
||||
}).catch(error => reject(error))
|
||||
});
|
||||
|
||||
btcOperator.getBlock = block => new Promise((resolve, reject) => {
|
||||
fetch_api(`rawblock/${block}`).then(result => resolve({
|
||||
height: result.height,
|
||||
hash: result.hash,
|
||||
merkle_root: result.mrkl_root,
|
||||
prev_block: result.prev_block,
|
||||
next_block: result.next_block[0],
|
||||
size: result.size,
|
||||
time: result.time * 1000, //s to ms
|
||||
txs: result.tx.map(t => Object({
|
||||
fee: t.fee,
|
||||
size: t.size,
|
||||
inputs: t.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
|
||||
total_input_value: util.Sat_to_BTC(t.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
|
||||
outputs: t.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
|
||||
total_output_value: util.Sat_to_BTC(t.out.reduce((a, o) => a += o.value, 0)),
|
||||
}))
|
||||
|
||||
})).catch(error => reject(error))
|
||||
});
|
||||
|
||||
})('object' === typeof module ? module.exports : window.btcOperator = {});
|
||||
@ -1,580 +0,0 @@
|
||||
(function (EXPORTS) { //floBlockchainAPI v2.3.3d
|
||||
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
|
||||
'use strict';
|
||||
const floBlockchainAPI = EXPORTS;
|
||||
|
||||
const DEFAULT = {
|
||||
blockchain: floGlobals.blockchain,
|
||||
apiURL: {
|
||||
FLO: ['https://flosight.duckdns.org/'],
|
||||
FLO_TEST: ['https://testnet-flosight.duckdns.org', 'https://testnet.flocha.in/']
|
||||
},
|
||||
sendAmt: 0.001,
|
||||
fee: 0.0005,
|
||||
minChangeAmt: 0.0005,
|
||||
receiverID: floGlobals.adminID
|
||||
};
|
||||
|
||||
Object.defineProperties(floBlockchainAPI, {
|
||||
sendAmt: {
|
||||
get: () => DEFAULT.sendAmt,
|
||||
set: amt => !isNaN(amt) ? DEFAULT.sendAmt = amt : null
|
||||
},
|
||||
fee: {
|
||||
get: () => DEFAULT.fee,
|
||||
set: fee => !isNaN(fee) ? DEFAULT.fee = fee : null
|
||||
},
|
||||
defaultReceiver: {
|
||||
get: () => DEFAULT.receiverID,
|
||||
set: floID => DEFAULT.receiverID = floID
|
||||
},
|
||||
blockchain: {
|
||||
get: () => DEFAULT.blockchain
|
||||
}
|
||||
});
|
||||
|
||||
if (floGlobals.sendAmt) floBlockchainAPI.sendAmt = floGlobals.sendAmt;
|
||||
if (floGlobals.fee) floBlockchainAPI.fee = floGlobals.fee;
|
||||
|
||||
Object.defineProperties(floGlobals, {
|
||||
sendAmt: {
|
||||
get: () => DEFAULT.sendAmt,
|
||||
set: amt => !isNaN(amt) ? DEFAULT.sendAmt = amt : null
|
||||
},
|
||||
fee: {
|
||||
get: () => DEFAULT.fee,
|
||||
set: fee => !isNaN(fee) ? DEFAULT.fee = fee : null
|
||||
}
|
||||
});
|
||||
|
||||
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.length - 1);
|
||||
|
||||
function fetch_retry(apicall, rm_flosight) {
|
||||
return new Promise((resolve, reject) => {
|
||||
let i = serverList.indexOf(rm_flosight)
|
||||
if (i != -1) serverList.splice(i, 1);
|
||||
curPos = floCrypto.randInt(0, serverList.length - 1);
|
||||
fetch_api(apicall, false)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error));
|
||||
})
|
||||
}
|
||||
|
||||
function fetch_api(apicall, ic = true) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (serverList.length === 0) {
|
||||
if (ic) {
|
||||
serverList = Array.from(allServerList);
|
||||
curPos = floCrypto.randInt(0, serverList.length - 1);
|
||||
fetch_api(apicall, false)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error));
|
||||
} else
|
||||
reject("No floSight server working");
|
||||
} else {
|
||||
let flosight = serverList[curPos];
|
||||
fetch(flosight + apicall).then(response => {
|
||||
if (response.ok)
|
||||
response.json().then(data => resolve(data));
|
||||
else {
|
||||
fetch_retry(apicall, flosight)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error));
|
||||
}
|
||||
}).catch(error => {
|
||||
fetch_retry(apicall, flosight)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error));
|
||||
})
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Object.defineProperties(floBlockchainAPI, {
|
||||
serverList: {
|
||||
get: () => Array.from(serverList)
|
||||
},
|
||||
current_server: {
|
||||
get: () => serverList[curPos]
|
||||
}
|
||||
});
|
||||
|
||||
//Promised function to get data from API
|
||||
const promisedAPI = floBlockchainAPI.promisedAPI = floBlockchainAPI.fetch = function (apicall) {
|
||||
return new Promise((resolve, reject) => {
|
||||
//console.log(apicall);
|
||||
fetch_api(apicall)
|
||||
.then(result => resolve(result))
|
||||
.catch(error => reject(error));
|
||||
});
|
||||
}
|
||||
|
||||
//Get balance for the given Address
|
||||
const getBalance = floBlockchainAPI.getBalance = function (addr) {
|
||||
return new Promise((resolve, reject) => {
|
||||
promisedAPI(`api/addr/${addr}/balance`)
|
||||
.then(balance => resolve(parseFloat(balance)))
|
||||
.catch(error => reject(error));
|
||||
});
|
||||
}
|
||||
|
||||
//Send Tx to blockchain
|
||||
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.validateFloID(senderAddr))
|
||||
return reject(`Invalid address : ${senderAddr}`);
|
||||
else if (!floCrypto.validateFloID(receiverAddr))
|
||||
return reject(`Invalid address : ${receiverAddr}`);
|
||||
else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
|
||||
return reject("Invalid Private key!");
|
||||
else if (typeof sendAmt !== 'number' || sendAmt <= 0)
|
||||
return reject(`Invalid sendAmt : ${sendAmt}`);
|
||||
|
||||
getBalance(senderAddr).then(balance => {
|
||||
var fee = DEFAULT.fee;
|
||||
if (balance < sendAmt + fee)
|
||||
return reject("Insufficient FLO balance!");
|
||||
//get unconfirmed tx list
|
||||
promisedAPI(`api/addr/${senderAddr}`).then(result => {
|
||||
readTxs(senderAddr, 0, result.unconfirmedTxApperances).then(result => {
|
||||
let unconfirmedSpent = {};
|
||||
for (let tx of result.items)
|
||||
if (tx.confirmations == 0)
|
||||
for (let vin of tx.vin)
|
||||
if (vin.addr === senderAddr) {
|
||||
if (Array.isArray(unconfirmedSpent[vin.txid]))
|
||||
unconfirmedSpent[vin.txid].push(vin.vout);
|
||||
else
|
||||
unconfirmedSpent[vin.txid] = [vin.vout];
|
||||
}
|
||||
//get utxos list
|
||||
promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
|
||||
//form/construct the transaction data
|
||||
var trx = bitjs.transaction();
|
||||
var utxoAmt = 0.0;
|
||||
for (var i = utxos.length - 1;
|
||||
(i >= 0) && (utxoAmt < sendAmt + fee); i--) {
|
||||
//use only utxos with confirmations (strict_utxo mode)
|
||||
if (utxos[i].confirmations || !strict_utxo) {
|
||||
if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
|
||||
continue; //A transaction has already used the utxo, but is unconfirmed.
|
||||
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
|
||||
utxoAmt += utxos[i].amount;
|
||||
};
|
||||
}
|
||||
if (utxoAmt < sendAmt + fee)
|
||||
reject("Insufficient FLO: Some UTXOs are unconfirmed");
|
||||
else {
|
||||
trx.addoutput(receiverAddr, sendAmt);
|
||||
var change = utxoAmt - sendAmt - fee;
|
||||
if (change > DEFAULT.minChangeAmt)
|
||||
trx.addoutput(senderAddr, change);
|
||||
trx.addflodata(floData.replace(/\n/g, ' '));
|
||||
var signedTxHash = trx.sign(privKey, 1);
|
||||
broadcastTx(signedTxHash)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error))
|
||||
}
|
||||
}).catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
});
|
||||
}
|
||||
|
||||
//Write Data into blockchain
|
||||
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) => {
|
||||
if (typeof data != "string")
|
||||
data = JSON.stringify(data);
|
||||
sendTx(senderAddr, receiverAddr, sendAmt, privKey, data, strict_utxo)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error));
|
||||
});
|
||||
}
|
||||
|
||||
//merge all UTXOs of a given floID into a single UTXO
|
||||
floBlockchainAPI.mergeUTXOs = function (floID, privKey, floData = '') {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (!floCrypto.validateFloID(floID))
|
||||
return reject(`Invalid floID`);
|
||||
if (!floCrypto.verifyPrivKey(privKey, floID))
|
||||
return reject("Invalid Private Key");
|
||||
if (!floCrypto.validateASCII(floData))
|
||||
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
|
||||
var trx = bitjs.transaction();
|
||||
var utxoAmt = 0.0;
|
||||
var fee = DEFAULT.fee;
|
||||
promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
|
||||
for (var i = utxos.length - 1; i >= 0; i--)
|
||||
if (utxos[i].confirmations) {
|
||||
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
|
||||
utxoAmt += utxos[i].amount;
|
||||
}
|
||||
trx.addoutput(floID, utxoAmt - fee);
|
||||
trx.addflodata(floData.replace(/\n/g, ' '));
|
||||
var signedTxHash = trx.sign(privKey, 1);
|
||||
broadcastTx(signedTxHash)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
/**Write data into blockchain from (and/or) to multiple floID
|
||||
* @param {Array} senderPrivKeys List of sender private-keys
|
||||
* @param {string} data FLO data of the txn
|
||||
* @param {Array} receivers List of receivers
|
||||
* @param {boolean} preserveRatio (optional) preserve ratio or equal contribution
|
||||
* @return {Promise}
|
||||
*/
|
||||
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");
|
||||
if (!preserveRatio) {
|
||||
let tmp = {};
|
||||
let amount = (DEFAULT.sendAmt * receivers.length) / senderPrivKeys.length;
|
||||
senderPrivKeys.forEach(key => tmp[key] = amount);
|
||||
senderPrivKeys = tmp;
|
||||
}
|
||||
if (!Array.isArray(receivers))
|
||||
return reject("Invalid receivers: Receivers must be Array");
|
||||
else {
|
||||
let tmp = {};
|
||||
let amount = DEFAULT.sendAmt;
|
||||
receivers.forEach(floID => tmp[floID] = amount);
|
||||
receivers = tmp
|
||||
}
|
||||
if (typeof data != "string")
|
||||
data = JSON.stringify(data);
|
||||
sendTxMultiple(senderPrivKeys, receivers, data)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
/**Send Tx from (and/or) to multiple floID
|
||||
* @param {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
|
||||
* @param {Object} receivers List of receivers with respective amount to be sent
|
||||
* @param {string} floData FLO data of the txn
|
||||
* @return {Promise}
|
||||
*/
|
||||
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");
|
||||
let senders = {},
|
||||
preserveRatio;
|
||||
//check for argument validations
|
||||
try {
|
||||
let invalids = {
|
||||
InvalidSenderPrivKeys: [],
|
||||
InvalidSenderAmountFor: [],
|
||||
InvalidReceiverIDs: [],
|
||||
InvalidReceiveAmountFor: []
|
||||
}
|
||||
let inputVal = 0,
|
||||
outputVal = 0;
|
||||
//Validate sender privatekeys (and send amount if passed)
|
||||
//conversion when only privateKeys are passed (preserveRatio mode)
|
||||
if (Array.isArray(senderPrivKeys)) {
|
||||
senderPrivKeys.forEach(key => {
|
||||
try {
|
||||
if (!key)
|
||||
invalids.InvalidSenderPrivKeys.push(key);
|
||||
else {
|
||||
let floID = floCrypto.getFloID(key);
|
||||
senders[floID] = {
|
||||
wif: key
|
||||
}
|
||||
}
|
||||
} catch (error) {
|
||||
invalids.InvalidSenderPrivKeys.push(key)
|
||||
}
|
||||
})
|
||||
preserveRatio = true;
|
||||
}
|
||||
//conversion when privatekeys are passed with send amount
|
||||
else {
|
||||
for (let key in senderPrivKeys) {
|
||||
try {
|
||||
if (!key)
|
||||
invalids.InvalidSenderPrivKeys.push(key);
|
||||
else {
|
||||
if (typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
|
||||
invalids.InvalidSenderAmountFor.push(key);
|
||||
else
|
||||
inputVal += senderPrivKeys[key];
|
||||
let floID = floCrypto.getFloID(key);
|
||||
senders[floID] = {
|
||||
wif: key,
|
||||
coins: senderPrivKeys[key]
|
||||
}
|
||||
}
|
||||
} catch (error) {
|
||||
invalids.InvalidSenderPrivKeys.push(key)
|
||||
}
|
||||
}
|
||||
preserveRatio = false;
|
||||
}
|
||||
//Validate the receiver IDs and receive amount
|
||||
for (let floID in receivers) {
|
||||
if (!floCrypto.validateFloID(floID))
|
||||
invalids.InvalidReceiverIDs.push(floID);
|
||||
if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
|
||||
invalids.InvalidReceiveAmountFor.push(floID);
|
||||
else
|
||||
outputVal += receivers[floID];
|
||||
}
|
||||
//Reject if any invalids are found
|
||||
for (let i in invalids)
|
||||
if (!invalids[i].length)
|
||||
delete invalids[i];
|
||||
if (Object.keys(invalids).length)
|
||||
return reject(invalids);
|
||||
//Reject if given inputVal and outputVal are not equal
|
||||
if (!preserveRatio && inputVal != outputVal)
|
||||
return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`);
|
||||
} catch (error) {
|
||||
return reject(error)
|
||||
}
|
||||
//Get balance of senders
|
||||
let promises = [];
|
||||
for (let floID in senders)
|
||||
promises.push(getBalance(floID));
|
||||
Promise.all(promises).then(results => {
|
||||
let totalBalance = 0,
|
||||
totalFee = DEFAULT.fee,
|
||||
balance = {};
|
||||
//Divide fee among sender if not for preserveRatio
|
||||
if (!preserveRatio)
|
||||
var dividedFee = totalFee / Object.keys(senders).length;
|
||||
//Check if balance of each sender is sufficient enough
|
||||
let insufficient = [];
|
||||
for (let floID in senders) {
|
||||
balance[floID] = parseFloat(results.shift());
|
||||
if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) ||
|
||||
(!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
|
||||
insufficient.push(floID);
|
||||
totalBalance += balance[floID];
|
||||
}
|
||||
if (insufficient.length)
|
||||
return reject({
|
||||
InsufficientBalance: insufficient
|
||||
})
|
||||
//Calculate totalSentAmount and check if totalBalance is sufficient
|
||||
let totalSendAmt = totalFee;
|
||||
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 (let floID in senders)
|
||||
promises.push(promisedAPI(`api/addr/${floID}/utxo`));
|
||||
Promise.all(promises).then(results => {
|
||||
let wifSeq = [];
|
||||
var trx = bitjs.transaction();
|
||||
for (let floID in senders) {
|
||||
let utxos = results.shift();
|
||||
let sendAmt;
|
||||
if (preserveRatio) {
|
||||
let ratio = (balance[floID] / totalBalance);
|
||||
sendAmt = totalSendAmt * ratio;
|
||||
} else
|
||||
sendAmt = senders[floID].coins + dividedFee;
|
||||
let wif = senders[floID].wif;
|
||||
let utxoAmt = 0.0;
|
||||
for (let i = utxos.length - 1;
|
||||
(i >= 0) && (utxoAmt < sendAmt); i--) {
|
||||
if (utxos[i].confirmations) {
|
||||
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
|
||||
wifSeq.push(wif);
|
||||
utxoAmt += utxos[i].amount;
|
||||
}
|
||||
}
|
||||
if (utxoAmt < sendAmt)
|
||||
return reject("Insufficient balance:" + floID);
|
||||
let change = (utxoAmt - sendAmt);
|
||||
if (change > 0)
|
||||
trx.addoutput(floID, change);
|
||||
}
|
||||
for (let floID in receivers)
|
||||
trx.addoutput(floID, receivers[floID]);
|
||||
trx.addflodata(floData.replace(/\n/g, ' '));
|
||||
for (let i = 0; i < wifSeq.length; i++)
|
||||
trx.signinput(i, wifSeq[i], 1);
|
||||
var signedTxHash = trx.serialize();
|
||||
broadcastTx(signedTxHash)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
//Broadcast signed Tx in blockchain using API
|
||||
const broadcastTx = floBlockchainAPI.broadcastTx = function (signedTxHash) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (signedTxHash.length < 1)
|
||||
return reject("Empty Signature");
|
||||
var url = serverList[curPos] + 'api/tx/send';
|
||||
fetch(url, {
|
||||
method: "POST",
|
||||
headers: {
|
||||
'Content-Type': 'application/json'
|
||||
},
|
||||
body: `{"rawtx":"${signedTxHash}"}`
|
||||
}).then(response => {
|
||||
if (response.ok)
|
||||
response.json().then(data => resolve(data.txid.result));
|
||||
else
|
||||
response.text().then(data => resolve(data));
|
||||
}).catch(error => reject(error));
|
||||
})
|
||||
}
|
||||
|
||||
floBlockchainAPI.getTx = function (txid) {
|
||||
return new Promise((resolve, reject) => {
|
||||
promisedAPI(`api/tx/${txid}`)
|
||||
.then(response => resolve(response))
|
||||
.catch(error => reject(error))
|
||||
})
|
||||
}
|
||||
|
||||
//Read Txs of Address between from and to
|
||||
const readTxs = floBlockchainAPI.readTxs = function (addr, from, to) {
|
||||
return new Promise((resolve, reject) => {
|
||||
promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
|
||||
.then(response => resolve(response))
|
||||
.catch(error => reject(error))
|
||||
});
|
||||
}
|
||||
|
||||
//Read All Txs of Address (newest first)
|
||||
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=${response.totalItems}0`)
|
||||
.then(response => resolve(response.items))
|
||||
.catch(error => reject(error));
|
||||
}).catch(error => reject(error))
|
||||
});
|
||||
}
|
||||
|
||||
/*Read flo Data from txs of given Address
|
||||
options can be used to filter data
|
||||
limit : maximum number of filtered data (default = 1000, negative = no limit)
|
||||
ignoreOld : ignore old txs (default = 0)
|
||||
sentOnly : filters only sent data
|
||||
receivedOnly: filters only received data
|
||||
pattern : filters data that with JSON pattern
|
||||
filter : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
|
||||
tx : (boolean) resolve tx data or not (resolves an Array of Object with tx details)
|
||||
sender : flo-id(s) of sender
|
||||
receiver : flo-id(s) of receiver
|
||||
*/
|
||||
floBlockchainAPI.readData = function (addr, options = {}) {
|
||||
options.limit = options.limit || 0;
|
||||
options.ignoreOld = options.ignoreOld || 0;
|
||||
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 => {
|
||||
if (options.limit <= 0)
|
||||
options.limit = response.items.length;
|
||||
var filteredData = [];
|
||||
let numToRead = response.totalItems - options.ignoreOld,
|
||||
unconfirmedCount = 0;
|
||||
for (let i = 0; i < numToRead && filteredData.length < options.limit; i++) {
|
||||
if (!response.items[i].confirmations) { //unconfirmed transactions
|
||||
unconfirmedCount++;
|
||||
if (numToRead < response.items[i].length)
|
||||
numToRead++;
|
||||
continue;
|
||||
}
|
||||
if (options.pattern) {
|
||||
try {
|
||||
let jsonContent = JSON.parse(response.items[i].floData);
|
||||
if (!Object.keys(jsonContent).includes(options.pattern))
|
||||
continue;
|
||||
} catch (error) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (options.sentOnly) {
|
||||
let flag = false;
|
||||
for (let vin of response.items[i].vin)
|
||||
if (vin.addr === addr) {
|
||||
flag = true;
|
||||
break;
|
||||
}
|
||||
if (!flag) continue;
|
||||
}
|
||||
if (Array.isArray(options.senders)) {
|
||||
let flag = false;
|
||||
for (let vin of response.items[i].vin)
|
||||
if (options.senders.includes(vin.addr)) {
|
||||
flag = true;
|
||||
break;
|
||||
}
|
||||
if (!flag) continue;
|
||||
}
|
||||
if (options.receivedOnly) {
|
||||
let flag = false;
|
||||
for (let vout of response.items[i].vout)
|
||||
if (vout.scriptPubKey.addresses[0] === addr) {
|
||||
flag = true;
|
||||
break;
|
||||
}
|
||||
if (!flag) continue;
|
||||
}
|
||||
if (Array.isArray(options.receivers)) {
|
||||
let flag = false;
|
||||
for (let vout of response.items[i].vout)
|
||||
if (options.receivers.includes(vout.scriptPubKey.addresses[0])) {
|
||||
flag = true;
|
||||
break;
|
||||
}
|
||||
if (!flag) continue;
|
||||
}
|
||||
if (options.filter && !options.filter(response.items[i].floData))
|
||||
continue;
|
||||
|
||||
if (options.tx) {
|
||||
let d = {}
|
||||
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
|
||||
filteredData.push(response.items[i].floData);
|
||||
}
|
||||
resolve({
|
||||
totalTxs: response.totalItems - unconfirmedCount,
|
||||
data: filteredData
|
||||
});
|
||||
}).catch(error => {
|
||||
reject(error);
|
||||
});
|
||||
}).catch(error => {
|
||||
reject(error);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
})('object' === typeof module ? module.exports : window.floBlockchainAPI = {});
|
||||
@ -1,442 +0,0 @@
|
||||
(function (EXPORTS) { //floCrypto v2.3.3e
|
||||
/* 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()
|
||||
},
|
||||
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 == key.getPubKeyHex())
|
||||
return true;
|
||||
else
|
||||
return false;
|
||||
} catch {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
//Check if the given flo-id is valid or not
|
||||
floCrypto.validateFloID = function (floID) {
|
||||
if (!floID)
|
||||
return false;
|
||||
try {
|
||||
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) {
|
||||
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 = {});
|
||||
@ -1,102 +0,0 @@
|
||||
(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"
|
||||
}
|
||||
|
||||
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}# ${message}`, privKey, receiverID, options)
|
||||
.then(txid => resolve(txid))
|
||||
.catch(error => reject(error))
|
||||
}).catch(error => reject(error))
|
||||
});
|
||||
}
|
||||
|
||||
tokenAPI.getAllTxs = function(floID, token = DEFAULT.currency) {
|
||||
return new Promise((resolve, reject) => {
|
||||
fetch_api(`api/v1.0/getFloAddressTransactions?token=${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 = {});
|
||||
9356
docs/scripts/lib.js
9356
docs/scripts/lib.js
File diff suppressed because it is too large
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Reference in New Issue
Block a user