multichain-crypto-wallet
Version:
A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.
1,382 lines (1,368 loc) • 131 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var bip39 = require('bip39');
var bitcoin = require('bitcoinjs-lib');
var ecc = require('tiny-secp256k1');
var bip32$1 = require('bip32');
var ecpair = require('ecpair');
require('base64-js');
var BigNumber = _interopDefault(require('bignumber.js'));
var immutable = require('immutable');
var utxolib = require('@bitgo/utxo-lib');
var axios = _interopDefault(require('axios'));
var url = require('url');
var ethers = require('ethers');
var solanaWeb3 = require('@solana/web3.js');
var splToken = require('@solana/spl-token');
var bs58 = require('bs58');
var ed25519HdKey = require('ed25519-hd-key');
var BufferLayout = require('buffer-layout');
var tsLibCrypto = require('@waves/ts-lib-crypto');
var wavesTransactions = require('@waves/waves-transactions');
var tronweb = require('tronweb');
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}
}
var successResponse = function successResponse(args) {
return args;
};
/**
* https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array/12646864#12646864
* Randomize array element order in-place.
* Using Durstenfeld shuffle algorithm.
*/
var shuffleArray = function shuffleArray() {
for (var _len = arguments.length, arrayIn = new Array(_len), _key = 0; _key < _len; _key++) {
arrayIn[_key] = arguments[_key];
}
var array = arrayIn.length === 1 && Array.isArray(arrayIn[0]) ? arrayIn[0] : arrayIn;
for (var i = array.length - 1; i > 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var _ref2 = [array[j], array[i]];
array[i] = _ref2[0];
array[j] = _ref2[1];
}
return array;
};
/**
* sortUTXOs compares two UTXOs by amount, then confirmations and then hash.
*
* @example
* sortUTXOs({amount: 1, confirmations: 1}, {amount: 2, confirmations: 0});
* // -1, representing that the first parameter should be ordered first.
*
* @returns a negative value to represent that a should come before b or a
* positive value to represent that b should come before a.
*/
var sortUTXOs = function sortUTXOs(a, b) {
// Sort greater values first
if (a.amount !== b.amount) {
return b.amount - a.amount;
}
// Sort older UTXOs first
if (a.confirmations !== b.confirmations) {
return a.confirmations - b.confirmations;
}
return a.txHash <= b.txHash ? -1 : 1;
};
/**
* fixValue turns a readable value, e.g. `0.0001` BTC, to the value in the smallest
* unit, e.g. `10000` sats.
*
* @example
* fixValue(0.0001, 8) = 10000;
*
* @param value Value in the readable representation, e.g. `0.0001` BTC.
* @param decimals The number of decimals to shift by, e.g. 8.
*/
var fixValue = function fixValue(value, decimals) {
return new BigNumber(value).multipliedBy(new BigNumber(10).exponentiatedBy(decimals)).decimalPlaces(0).toNumber();
};
/**
* fixUTXO calls {{fixValue}} on the value of the UTXO.
*/
var fixUTXO = function fixUTXO(utxo, decimals) {
return _extends({}, utxo, {
amount: fixValue(utxo.amount, decimals)
});
};
/**
* fixUTXOs maps over an array of UTXOs and calls {{fixValue}}.
*/
var fixUTXOs = function fixUTXOs(utxos, decimals) {
return utxos.map(function (utxo) {
return fixUTXO(utxo, decimals);
});
};
var SECONDS = 1000;
var DEFAULT_TIMEOUT = 30 * SECONDS;
var BlockchainNetwork;
(function (BlockchainNetwork) {
BlockchainNetwork["Bitcoin"] = "btc";
BlockchainNetwork["BitcoinCash"] = "bch";
BlockchainNetwork["BitcoinTestnet"] = "btc-testnet";
BlockchainNetwork["BitcoinCashTestnet"] = "bch-testnet";
})(BlockchainNetwork || (BlockchainNetwork = {}));
var fetchLatestBlock = /*#__PURE__*/function () {
var _ref = /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(network) {
var statsUrl, statsResponse;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
statsUrl = "https://api.blockchain.info/haskoin-store/" + network + "/block/best?notx=true";
_context.next = 3;
return axios.get(statsUrl);
case 3:
statsResponse = _context.sent.data;
return _context.abrupt("return", statsResponse.height);
case 5:
case "end":
return _context.stop();
}
}, _callee);
}));
return function fetchLatestBlock(_x) {
return _ref.apply(this, arguments);
};
}();
var fetchUTXO = function fetchUTXO(network) {
return /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(txHash, vOut) {
var url, response, confirmations;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
url = "https://api.blockchain.info/haskoin-store/" + network + "/transaction/" + txHash;
_context2.next = 3;
return axios.get("" + url, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context2.sent.data;
if (!(!response.block || !response.block.height)) {
_context2.next = 8;
break;
}
_context2.t0 = 0;
_context2.next = 16;
break;
case 8:
_context2.t1 = Math;
_context2.next = 11;
return fetchLatestBlock(network);
case 11:
_context2.t2 = _context2.sent;
_context2.t3 = response.block.height;
_context2.t4 = _context2.t2 - _context2.t3;
_context2.t5 = _context2.t4 + 1;
_context2.t0 = _context2.t1.max.call(_context2.t1, _context2.t5, 0);
case 16:
confirmations = _context2.t0;
return _context2.abrupt("return", {
txHash: txHash,
block: response.block && response.block.height ? response.block.height : 0,
amount: response.outputs[vOut].value,
confirmations: confirmations
});
case 18:
case "end":
return _context2.stop();
}
}, _callee2);
}));
return function (_x2, _x3) {
return _ref2.apply(this, arguments);
};
}();
};
var fetchUTXOs = function fetchUTXOs(network) {
return /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(address, confirmations, limit, offset) {
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
if (limit === void 0) {
limit = 25;
}
if (offset === void 0) {
offset = 0;
}
return _context3.abrupt("return", fetchTXs(network)(address, confirmations, limit, offset, true));
case 3:
case "end":
return _context3.stop();
}
}, _callee3);
}));
return function (_x4, _x5, _x6, _x7) {
return _ref3.apply(this, arguments);
};
}();
};
var fetchTXs = function fetchTXs(network) {
return /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(address, confirmations, limit, offset, onlyUnspent) {
var url, response, latestBlock, received, _iterator, _step, tx, txConfirmations, i, vout;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
if (confirmations === void 0) {
confirmations = 0;
}
if (limit === void 0) {
limit = 25;
}
if (offset === void 0) {
offset = 0;
}
if (onlyUnspent === void 0) {
onlyUnspent = false;
}
url = "https://api.blockchain.info/haskoin-store/" + network + "/address/" + address + "/transactions/full?limit=" + limit + "&offset=" + offset;
_context4.next = 7;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 7:
response = _context4.sent.data;
received = [];
_iterator = _createForOfIteratorHelperLoose(response);
case 10:
if ((_step = _iterator()).done) {
_context4.next = 22;
break;
}
tx = _step.value;
_context4.t0 = latestBlock;
if (_context4.t0) {
_context4.next = 17;
break;
}
_context4.next = 16;
return fetchLatestBlock(network);
case 16:
_context4.t0 = _context4.sent;
case 17:
latestBlock = _context4.t0;
txConfirmations = tx.block && tx.block.height ? Math.max(latestBlock - tx.block.height + 1, 0) : 0;
for (i = 0; i < tx.outputs.length; i++) {
vout = tx.outputs[i];
if (vout.address === address && (
// If the onlyUnspent flag is true, check that the tx is unspent.
!onlyUnspent || vout.spent === false)) {
received.push({
txHash: tx.txid,
amount: vout.value,
vOut: i,
confirmations: txConfirmations
});
}
}
case 20:
_context4.next = 10;
break;
case 22:
return _context4.abrupt("return", received.filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 23:
case "end":
return _context4.stop();
}
}, _callee4);
}));
return function (_x8, _x9, _x10, _x11, _x12) {
return _ref4.apply(this, arguments);
};
}();
};
var broadcastTransaction = function broadcastTransaction(network) {
return /*#__PURE__*/function () {
var _ref5 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5(txHex) {
var url$1, params, response;
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
if (!(network !== BlockchainNetwork.Bitcoin)) {
_context5.next = 2;
break;
}
throw new Error("Broadcasting " + network + " transactions not supported by endpoint.");
case 2:
url$1 = "https://blockchain.info/pushtx";
params = new url.URLSearchParams();
params.append('tx', txHex);
_context5.next = 7;
return axios.post(url$1, params, {
timeout: DEFAULT_TIMEOUT
});
case 7:
response = _context5.sent;
if (!response.data.error) {
_context5.next = 10;
break;
}
throw new Error(response.data.error);
case 10:
return _context5.abrupt("return", response.data);
case 11:
case "end":
return _context5.stop();
}
}, _callee5);
}));
return function (_x13) {
return _ref5.apply(this, arguments);
};
}();
};
var Blockchain = {
networks: BlockchainNetwork,
fetchUTXO: fetchUTXO,
fetchUTXOs: fetchUTXOs,
broadcastTransaction: broadcastTransaction,
fetchTXs: fetchTXs
};
var getAPIUrl = function getAPIUrl(testnet) {
return "https://blockstream.info/" + (testnet ? 'testnet/' : '') + "api";
};
var fetchUTXO$1 = function fetchUTXO(testnet) {
return /*#__PURE__*/function () {
var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(txHash, vOut) {
var apiUrl, utxo, heightResponse, confirmations;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
apiUrl = getAPIUrl(testnet);
_context.next = 3;
return axios.get(apiUrl + "/tx/" + txHash, {
timeout: DEFAULT_TIMEOUT
});
case 3:
utxo = _context.sent.data;
_context.next = 6;
return axios.get(apiUrl + "/blocks/tip/height", {
timeout: DEFAULT_TIMEOUT
});
case 6:
heightResponse = _context.sent.data;
confirmations = utxo.status.confirmed ? Math.max(1 + parseInt(heightResponse, 10) - utxo.status.block_height, 0) : 0;
return _context.abrupt("return", {
txHash: txHash,
block: utxo.status.confirmed ? utxo.status.block_height : 0,
amount: utxo.vout[vOut].value,
confirmations: confirmations
});
case 9:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x, _x2) {
return _ref.apply(this, arguments);
};
}();
};
var fetchUTXOs$1 = function fetchUTXOs(testnet) {
return /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(address, confirmations) {
var apiUrl, response, heightResponse;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
apiUrl = getAPIUrl(testnet);
_context2.next = 3;
return axios.get(apiUrl + "/address/" + address + "/utxo", {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context2.sent;
_context2.next = 6;
return axios.get(apiUrl + "/blocks/tip/height", {
timeout: DEFAULT_TIMEOUT
});
case 6:
heightResponse = _context2.sent;
return _context2.abrupt("return", response.data.map(function (utxo) {
return {
txHash: utxo.txid,
amount: utxo.value,
vOut: utxo.vout,
confirmations: utxo.status.confirmed ? 1 + parseInt(heightResponse.data, 10) - utxo.status.block_height : 0
};
}).filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 8:
case "end":
return _context2.stop();
}
}, _callee2);
}));
return function (_x3, _x4) {
return _ref2.apply(this, arguments);
};
}();
};
var fetchTXs$1 = function fetchTXs(testnet) {
return /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(address, confirmations) {
var apiUrl, response, heightResponse, received, _iterator, _step, tx, i, vout;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
if (confirmations === void 0) {
confirmations = 0;
}
apiUrl = getAPIUrl(testnet);
_context3.next = 4;
return axios.get(apiUrl + "/address/" + address + "/txs", {
timeout: DEFAULT_TIMEOUT
});
case 4:
response = _context3.sent;
_context3.next = 7;
return axios.get(apiUrl + "/blocks/tip/height", {
timeout: DEFAULT_TIMEOUT
});
case 7:
heightResponse = _context3.sent;
received = [];
for (_iterator = _createForOfIteratorHelperLoose(response.data); !(_step = _iterator()).done;) {
tx = _step.value;
for (i = 0; i < tx.vout.length; i++) {
vout = tx.vout[i];
if (vout.scriptpubkey_address === address) {
received.push({
txHash: tx.txid,
amount: vout.value,
vOut: i,
confirmations: tx.status.confirmed ? 1 + parseInt(heightResponse.data, 10) - tx.status.block_height : 0
});
}
}
}
return _context3.abrupt("return", received.filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 11:
case "end":
return _context3.stop();
}
}, _callee3);
}));
return function (_x5, _x6) {
return _ref3.apply(this, arguments);
};
}();
};
var broadcastTransaction$1 = function broadcastTransaction(testnet) {
return /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(txHex) {
var apiUrl, response;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
apiUrl = getAPIUrl(testnet);
_context4.next = 3;
return axios.post(apiUrl + "/tx", txHex, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context4.sent;
return _context4.abrupt("return", response.data);
case 5:
case "end":
return _context4.stop();
}
}, _callee4);
}));
return function (_x7) {
return _ref4.apply(this, arguments);
};
}();
};
var Blockstream = {
fetchUTXO: fetchUTXO$1,
fetchUTXOs: fetchUTXOs$1,
broadcastTransaction: broadcastTransaction$1,
fetchTXs: fetchTXs$1
};
var fetchUTXO$2 = function fetchUTXO(network) {
return /*#__PURE__*/function () {
var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(txHash, vOut) {
var url, response, tx;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
url = "https://sochain.com/api/v2/get_tx/" + network + "/" + txHash;
_context.next = 3;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context.sent;
tx = response.data.data;
return _context.abrupt("return", fixUTXO({
txHash: tx.txid,
amount: parseInt(tx.outputs[vOut].value, 10),
// scriptPubKey: tx.script_hex,
vOut: vOut,
confirmations: tx.confirmations
}, 8));
case 6:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x, _x2) {
return _ref.apply(this, arguments);
};
}();
};
var fetchUTXOs$2 = function fetchUTXOs(network) {
return /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(address, confirmations) {
var url, response;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
url = "https://sochain.com/api/v2/get_tx_unspent/" + network + "/" + address + "/" + confirmations;
_context2.next = 3;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context2.sent;
return _context2.abrupt("return", fixUTXOs(response.data.data.txs.map(function (utxo) {
return {
txHash: utxo.txid,
amount: utxo.value,
// scriptPubKey: utxo.script_hex,
vOut: utxo.output_no,
confirmations: utxo.confirmations
};
}), 8).filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 5:
case "end":
return _context2.stop();
}
}, _callee2);
}));
return function (_x3, _x4) {
return _ref2.apply(this, arguments);
};
}();
};
var fetchTXs$2 = function fetchTXs(network) {
return /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(address, confirmations) {
var url, response;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
if (confirmations === void 0) {
confirmations = 0;
}
url = "https://sochain.com/api/v2/get_tx_received/" + network + "/" + address + "/" + confirmations;
_context3.next = 4;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 4:
response = _context3.sent;
return _context3.abrupt("return", fixUTXOs(response.data.data.txs.map(function (utxo) {
return {
txHash: utxo.txid,
amount: utxo.value,
// scriptPubKey: utxo.script_hex,
vOut: utxo.output_no,
confirmations: utxo.confirmations
};
}), 8).filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 6:
case "end":
return _context3.stop();
}
}, _callee3);
}));
return function (_x5, _x6) {
return _ref3.apply(this, arguments);
};
}();
};
var broadcastTransaction$2 = function broadcastTransaction(network) {
return /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(txHex) {
var response;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
_context4.next = 2;
return axios.post("https://sochain.com/api/v2/send_tx/" + network, {
tx_hex: txHex
}, {
timeout: DEFAULT_TIMEOUT
});
case 2:
response = _context4.sent;
return _context4.abrupt("return", response.data.data.txid);
case 4:
case "end":
return _context4.stop();
}
}, _callee4);
}));
return function (_x7) {
return _ref4.apply(this, arguments);
};
}();
};
var Sochain = {
fetchUTXOs: fetchUTXOs$2,
broadcastTransaction: broadcastTransaction$2,
fetchUTXO: fetchUTXO$2,
fetchTXs: fetchTXs$2
};
var fetchUTXO$3 = function fetchUTXO(network) {
return /*#__PURE__*/function () {
var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(txHash, vOut) {
var url, response, tx, latestBlock, statsUrl, statsResponse, confirmations;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
url = "https://api.blockchair.com/" + network + "/dashboards/transaction/" + txHash;
_context.next = 3;
return axios.get("" + url, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context.sent.data;
if (response.data[txHash]) {
_context.next = 6;
break;
}
throw new Error("Transaction not found.");
case 6:
tx = response.data[txHash];
latestBlock = response.context.state;
if (!(latestBlock === 0)) {
_context.next = 14;
break;
}
statsUrl = "https://api.blockchair.com/" + network + "/stats";
_context.next = 12;
return axios.get(statsUrl);
case 12:
statsResponse = _context.sent.data;
latestBlock = statsResponse.data.blocks - 1;
case 14:
confirmations = tx.transaction.block_id === -1 ? 0 : Math.max(latestBlock - tx.transaction.block_id + 1, 0);
return _context.abrupt("return", {
txHash: txHash,
block: tx.transaction.block_id === -1 ? 0 : tx.transaction.block_id,
amount: tx.outputs[vOut].value,
confirmations: confirmations
});
case 16:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x, _x2) {
return _ref.apply(this, arguments);
};
}();
};
var fetchUTXOs$3 = function fetchUTXOs(network) {
return /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(address, confirmations) {
var url, response, latestBlock, statsUrl, statsResponse;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
url = "https://api.blockchair.com/" + network + "/dashboards/address/" + address + "?limit=0,100";
_context2.next = 3;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context2.sent.data;
latestBlock = response.context.state;
if (!(latestBlock === 0)) {
_context2.next = 11;
break;
}
statsUrl = "https://api.blockchair.com/" + network + "/stats";
_context2.next = 9;
return axios.get(statsUrl);
case 9:
statsResponse = _context2.sent.data;
latestBlock = statsResponse.data.blocks - 1;
case 11:
return _context2.abrupt("return", response.data[address].utxo.map(function (utxo) {
return {
txHash: utxo.transaction_hash,
amount: utxo.value,
vOut: utxo.index,
confirmations: utxo.block_id === -1 ? 0 : latestBlock - utxo.block_id + 1
};
}).filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 12:
case "end":
return _context2.stop();
}
}, _callee2);
}));
return function (_x3, _x4) {
return _ref2.apply(this, arguments);
};
}();
};
var fetchTXs$3 = function fetchTXs(network) {
return /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(address, confirmations, limit) {
var url, response, latestBlock, statsUrl, statsResponse, txHashes, txDetails, i, txUrl, txResponse, received, _iterator, _step, txHash, tx, txConfirmations, _i, vout;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
if (confirmations === void 0) {
confirmations = 0;
}
if (limit === void 0) {
limit = 25;
}
url = "https://api.blockchair.com/" + network + "/dashboards/address/" + address + "?limit=" + limit + ",0";
_context3.next = 5;
return axios.get(url, {
timeout: DEFAULT_TIMEOUT
});
case 5:
response = _context3.sent.data;
latestBlock = response.context.state;
if (!(latestBlock === 0)) {
_context3.next = 13;
break;
}
statsUrl = "https://api.blockchair.com/" + network + "/stats";
_context3.next = 11;
return axios.get(statsUrl);
case 11:
statsResponse = _context3.sent.data;
latestBlock = statsResponse.data.blocks - 1;
case 13:
txHashes = response.data[address].transactions;
txDetails = {}; // Fetch in sets of 10
i = 0;
case 16:
if (!(i < Math.ceil(txHashes.length / 10))) {
_context3.next = 25;
break;
}
txUrl = "https://api.blockchair.com/" + network + "/dashboards/transactions/" + txHashes.slice(i * 10, (i + 1) * 10).join(',');
_context3.next = 20;
return axios.get(txUrl, {
timeout: DEFAULT_TIMEOUT
});
case 20:
txResponse = _context3.sent.data;
txDetails = _extends({}, txDetails, txResponse.data);
case 22:
i++;
_context3.next = 16;
break;
case 25:
received = [];
for (_iterator = _createForOfIteratorHelperLoose(txHashes); !(_step = _iterator()).done;) {
txHash = _step.value;
tx = txDetails[txHash];
txConfirmations = tx.transaction.block_id === -1 ? 0 : Math.max(latestBlock - tx.transaction.block_id + 1, 0);
for (_i = 0; _i < tx.outputs.length; _i++) {
vout = tx.outputs[_i];
if (vout.recipient === address) {
received.push({
txHash: tx.transaction.hash,
amount: vout.value,
vOut: _i,
confirmations: txConfirmations
});
}
}
}
return _context3.abrupt("return", received.filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 28:
case "end":
return _context3.stop();
}
}, _callee3);
}));
return function (_x5, _x6, _x7) {
return _ref3.apply(this, arguments);
};
}();
};
var broadcastTransaction$3 = function broadcastTransaction(network) {
return /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(txHex) {
var url, response;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
url = "https://api.blockchair.com/" + network + "/push/transaction";
_context4.next = 3;
return axios.post(url, {
data: txHex
}, {
timeout: DEFAULT_TIMEOUT
});
case 3:
response = _context4.sent;
if (!response.data.error) {
_context4.next = 6;
break;
}
throw new Error(response.data.error);
case 6:
return _context4.abrupt("return", response.data.data.transaction_hash);
case 7:
case "end":
return _context4.stop();
}
}, _callee4);
}));
return function (_x8) {
return _ref4.apply(this, arguments);
};
}();
};
var Networks;
(function (Networks) {
Networks["BITCOIN"] = "bitcoin";
Networks["BITCOIN_CASH"] = "bitcoin-cash";
Networks["LITECOIN"] = "litecoin";
Networks["BITCOIN_SV"] = "bitcoin-sv";
Networks["DOGECOIN"] = "dogecoin";
Networks["DASH"] = "dash";
Networks["GROESTLCOIN"] = "groestlcoin";
Networks["BITCOIN_TESTNET"] = "bitcoin/testnet";
})(Networks || (Networks = {}));
var Blockchair = {
networks: Networks,
fetchUTXO: fetchUTXO$3,
fetchUTXOs: fetchUTXOs$3,
broadcastTransaction: broadcastTransaction$3,
fetchTXs: fetchTXs$3
};
var getURL = function getURL(network, testnet) {
return "https://multichain-web-proxy.herokuapp.com/electrumx-" + network + "-" + (testnet ? 'testnet' : 'mainnet');
};
var fetchUTXOs$4 = function fetchUTXOs(network, testnet) {
return /*#__PURE__*/function () {
var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(address, confirmations, scriptHash) {
var url, latestBlock, response;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
if (scriptHash) {
_context.next = 2;
break;
}
throw new Error('Must provide script hash.' + address);
case 2:
url = getURL(network, testnet);
_context.next = 5;
return axios.post(url, {
jsonrpc: '1.0',
id: '67',
method: 'blockchain.scripthash.listunspent',
params: [scriptHash]
});
case 5:
latestBlock = _context.sent.data.result.height;
_context.next = 8;
return axios.post(url, {
jsonrpc: '1.0',
id: '67',
method: 'blockchain.scripthash.listunspent',
params: [scriptHash]
});
case 8:
response = _context.sent;
return _context.abrupt("return", response.data.result.map(function (utxo) {
return {
txHash: utxo.tx_hash,
amount: utxo.value,
vOut: utxo.tx_pos,
confirmations: utxo.height ? 1 + latestBlock - utxo.height : 0
};
}).filter(function (utxo) {
return confirmations === 0 || utxo.confirmations >= confirmations;
}).sort(sortUTXOs));
case 10:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x, _x2, _x3) {
return _ref.apply(this, arguments);
};
}();
};
var ElectrumX = {
fetchUTXOs: fetchUTXOs$4
};
var MULTICHAIN_URLS = {
BTC: 'https://multichain-web-proxy.herokuapp.com/multichain-bitcoin',
BTCTEST: 'https://multichain-web-proxy.herokuapp.com/multichain-bitcoin-testnet',
ZEC: 'https://multichain-web-proxy.herokuapp.com/multichain-zcash',
ZECTEST: 'https://multichain-web-proxy.herokuapp.com/multichain-zcash-testnet',
BCH: 'https://multichain-web-proxy.herokuapp.com/multichain-bitcoincash',
BCHTEST: 'https://multichain-web-proxy.herokuapp.com/multichain-bitcoincash-testnet'
};
var broadcastTransaction$4 = function broadcastTransaction(url) {
return /*#__PURE__*/function () {
var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(txHex) {
var response;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
_context.next = 2;
return axios.post(url, {
jsonrpc: '1.0',
id: '67',
method: 'sendrawtransaction',
params: [txHex]
}, {
timeout: DEFAULT_TIMEOUT
});
case 2:
response = _context.sent;
return _context.abrupt("return", response.data.result);
case 4:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x) {
return _ref.apply(this, arguments);
};
}();
};
var JSONRPC = {
broadcastTransaction: broadcastTransaction$4
};
var _apiFallbacks = {
fetchUTXO: function fetchUTXO(testnet, txHash, vOut) {
return [].concat(shuffleArray(function () {
return Blockstream.fetchUTXO(testnet)(txHash, vOut);
}, function () {
return Blockchair.fetchUTXO(testnet ? Blockchair.networks.BITCOIN_TESTNET : Blockchair.networks.BITCOIN)(txHash, vOut);
}), [function () {
return Blockchain.fetchUTXO(testnet ? BlockchainNetwork.BitcoinTestnet : BlockchainNetwork.Bitcoin)(txHash, vOut);
}]);
},
fetchUTXOs: function fetchUTXOs(testnet, address, confirmations, scriptHash) {
return [].concat(shuffleArray(function () {
return Blockstream.fetchUTXOs(testnet)(address, confirmations);
}, function () {
return Blockchair.fetchUTXOs(testnet ? Blockchair.networks.BITCOIN_TESTNET : Blockchair.networks.BITCOIN)(address, confirmations);
}), [function () {
return Sochain.fetchUTXOs(testnet ? 'BTCTEST' : 'BTC')(address, confirmations);
}, function () {
return Blockchain.fetchUTXOs(testnet ? BlockchainNetwork.BitcoinTestnet : BlockchainNetwork.Bitcoin)(address, confirmations);
}, function () {
return ElectrumX.fetchUTXOs('bitcoin', testnet)(address, confirmations, scriptHash);
}]);
},
fetchTXs: function fetchTXs(testnet, address, confirmations) {
if (confirmations === void 0) {
confirmations = 0;
}
return [].concat(shuffleArray(function () {
return Blockstream.fetchTXs(testnet)(address);
}, function () {
return Blockchair.fetchTXs(testnet ? Blockchair.networks.BITCOIN_TESTNET : Block