@tatumio/tatum-v1
Version:
Tatum API client allows browsers and Node.js clients to interact with Tatum API.
161 lines • 14.1 kB
JavaScript
;
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.prepareBitcoinSignedOffchainTransaction = exports.signBitcoinOffchainKMSTransaction = exports.sendBitcoinOffchainTransaction = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
// @ts-ignore
const bitcore_lib_1 = require("bitcore-lib");
const tatum_1 = require("../connector/tatum");
const model_1 = require("../model");
const wallet_1 = require("../wallet");
const common_1 = require("./common");
const kms_1 = require("./kms");
/**
* Send Bitcoin transaction from Tatum Ledger account to the blockchain. This method broadcasts signed transaction to the blockchain.
* This operation is irreversible.
* @param testnet mainnet or testnet version
* @param body content of the transaction to broadcast
* @returns transaction id of the transaction in the blockchain or id of the withdrawal, if it was not cancelled automatically
*/
const sendBitcoinOffchainTransaction = async (testnet, body) => {
if (body.signatureId) {
return kms_1.offchainTransferBtcKMS(body);
}
await tatum_1.validateBody(body, model_1.TransferBtcBasedOffchain);
const { mnemonic, keyPair, xpub, attr: changeAddress } = body, withdrawal = __rest(body, ["mnemonic", "keyPair", "xpub", "attr"]);
if (!withdrawal.fee) {
withdrawal.fee = '0.0005';
}
const { id, data } = await common_1.offchainStoreWithdrawal(withdrawal);
const { amount, address, } = withdrawal;
let txData;
try {
txData = await exports.prepareBitcoinSignedOffchainTransaction(testnet, data, amount, address, mnemonic, keyPair, changeAddress, xpub, withdrawal.multipleAmounts);
}
catch (e) {
console.error(e);
await common_1.offchainCancelWithdrawal(id);
throw e;
}
try {
return Object.assign(Object.assign({}, await common_1.offchainBroadcast({ txData, withdrawalId: id, currency: model_1.Currency.BTC })), { id });
}
catch (e) {
console.error(e);
try {
await common_1.offchainCancelWithdrawal(id);
}
catch (e1) {
console.log(e);
return { id };
}
throw e;
}
};
exports.sendBitcoinOffchainTransaction = sendBitcoinOffchainTransaction;
/**
* Sign Bitcoin pending transaction from Tatum KMS
* @param tx pending transaction from KMS
* @param mnemonic mnemonic to generate private keys to sign transaction with.
* @param testnet mainnet or testnet version
* @returns transaction data to be broadcast to blockchain.
*/
const signBitcoinOffchainKMSTransaction = async (tx, mnemonic, testnet) => {
var _a;
if (tx.chain !== model_1.Currency.BTC || !tx.withdrawalResponses) {
throw Error('Unsupported chain.');
}
const builder = new bitcore_lib_1.Transaction(JSON.parse(tx.serializedTransaction));
for (const response of tx.withdrawalResponses) {
if (response.vIn === '-1') {
continue;
}
builder.sign(bitcore_lib_1.PrivateKey.fromWIF(await wallet_1.generatePrivateKeyFromMnemonic(model_1.Currency.BTC, testnet, mnemonic, ((_a = response.address) === null || _a === void 0 ? void 0 : _a.derivationKey) || 0)));
}
return builder.serialize(true);
};
exports.signBitcoinOffchainKMSTransaction = signBitcoinOffchainKMSTransaction;
/**
* Sign Bitcoin transaction with private keys locally. Nothing is broadcast to the blockchain.
* @param testnet mainnet or testnet version
* @param data data from Tatum system to prepare transaction from
* @param amount amount to send
* @param address recipient address, if multiple recipients are present, it should be string separated by ','
* @param mnemonic mnemonic to sign transaction from. mnemonic or keyPair must be present
* @param keyPair keyPair to sign transaction from. keyPair or mnemonic must be present
* @param changeAddress address to send the rest of the unused coins
* @param xpub xpub of the wallet
* @param multipleAmounts if multiple recipients are present in the address separated by ',', this should be list of amounts to send
* @param signatureId if using KMS, this is signatureId of the wallet representing mnemonic
* @returns transaction data to be broadcast to blockchain.
*/
const prepareBitcoinSignedOffchainTransaction = async (testnet, data, amount, address, mnemonic, keyPair, changeAddress, xpub, multipleAmounts, signatureId) => {
var _a;
const tx = new bitcore_lib_1.Transaction();
data.forEach((input) => {
if (input.vIn !== '-1') {
tx.from({
txId: input.vIn,
outputIndex: input.vInIndex,
script: bitcore_lib_1.Script.fromAddress(input.address.address).toString(),
satoshis: Number(new bignumber_js_1.default(input.amount).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR))
});
}
});
const lastVin = data.find(d => d.vIn === '-1');
if (multipleAmounts === null || multipleAmounts === void 0 ? void 0 : multipleAmounts.length) {
for (const [i, multipleAmount] of multipleAmounts.entries()) {
tx.to(address.split(',')[i], Number(new bignumber_js_1.default(multipleAmount).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
}
else {
tx.to(address, Number(new bignumber_js_1.default(amount).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
if (new bignumber_js_1.default(lastVin.amount).isGreaterThan(0)) {
if (xpub) {
tx.to(wallet_1.generateAddressFromXPub(model_1.Currency.BTC, testnet, xpub, 0), Number(new bignumber_js_1.default(lastVin.amount).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
else if (changeAddress) {
tx.to(changeAddress, Number(new bignumber_js_1.default(lastVin.amount).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
else {
throw new Error('Impossible to prepare transaction. Either mnemonic or keyPair and attr must be present.');
}
}
if (signatureId) {
return JSON.stringify(tx);
}
for (const input of data) {
// when there is no address field present, input is pool transfer to 0
if (input.vIn === '-1') {
continue;
}
if (mnemonic) {
const derivationKey = ((_a = input.address) === null || _a === void 0 ? void 0 : _a.derivationKey) || 0;
tx.sign(bitcore_lib_1.PrivateKey.fromWIF(await wallet_1.generatePrivateKeyFromMnemonic(model_1.Currency.BTC, testnet, mnemonic, derivationKey)));
}
else if (keyPair) {
const { privateKey } = keyPair.find(k => k.address === input.address.address);
tx.sign(bitcore_lib_1.PrivateKey.fromWIF(privateKey));
}
else {
throw new Error('Impossible to prepare transaction. Either mnemonic or keyPair and attr must be present.');
}
}
return tx.serialize(true);
};
exports.prepareBitcoinSignedOffchainTransaction = prepareBitcoinSignedOffchainTransaction;
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