@tatumio/tatum-v1
Version:
Tatum API client allows browsers and Node.js clients to interact with Tatum API.
118 lines • 10.6 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.sendBitcoinTransaction = exports.prepareBitcoinSignedTransaction = exports.signBitcoinKMSTransaction = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
// @ts-ignore
const bitcore_lib_1 = require("bitcore-lib");
const blockchain_1 = require("../blockchain");
const tatum_1 = require("../connector/tatum");
const model_1 = require("../model");
const TransferBtcLtcBlockchain_1 = require("../model/request/TransferBtcLtcBlockchain");
/**
* Prepare a signed Btc transaction with the private key locally. Nothing is broadcasted to the blockchain.
* @returns raw transaction data in hex, to be broadcasted to blockchain.
*/
const prepareSignedTransaction = async (body) => {
var _a, _b;
await tatum_1.validateBody(body, TransferBtcLtcBlockchain_1.TransferBtcLtcBlockchain);
const { fromUTXO, fromAddress, to } = body;
const tx = new bitcore_lib_1.Transaction();
const privateKeysToSign = [];
if (fromAddress) {
for (const item of fromAddress) {
const txs = await blockchain_1.btcGetTxForAccount(item.address);
for (const t of txs) {
for (const [i, o] of t.outputs.entries()) {
if (o.address !== item.address) {
continue;
}
try {
await blockchain_1.btcGetUTXO(t.hash, i);
tx.from({
txId: t.hash,
outputIndex: i,
script: bitcore_lib_1.Script.fromAddress(item.address).toString(),
satoshis: o.value,
});
privateKeysToSign.push(item.signatureId || item.privateKey);
}
catch (e) {
console.error(e.toString());
}
}
}
}
}
else if (fromUTXO) {
for (const item of fromUTXO) {
const t = await blockchain_1.btcGetTransaction(item.txHash);
const address = t.outputs ? t.outputs[item.index].address : (_a = t.vout) === null || _a === void 0 ? void 0 : _a[item.index].scriptPubKey.addresses[0];
const value = t.outputs ? t.outputs[item.index].value :
Number(new bignumber_js_1.default(((_b = t.vout) === null || _b === void 0 ? void 0 : _b[item.index].value) || 0).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR));
tx.from({
txId: item.txHash,
outputIndex: item.index,
script: bitcore_lib_1.Script.fromAddress(address).toString(),
satoshis: value,
});
privateKeysToSign.push(item.signatureId || item.privateKey);
}
}
for (const item of to) {
tx.to(item.address, Number(new bignumber_js_1.default(item.value).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
if (body.changeAddress && body.fee) {
tx.change(body.changeAddress);
tx.fee(Number(new bignumber_js_1.default(body.fee).multipliedBy(100000000).toFixed(8, bignumber_js_1.default.ROUND_FLOOR)));
}
if ((fromAddress && fromAddress[0].signatureId) || (fromUTXO && fromUTXO[0].signatureId)) {
return JSON.stringify({ txData: JSON.stringify(tx), privateKeysToSign });
}
for (const item of privateKeysToSign) {
tx.sign(bitcore_lib_1.PrivateKey.fromWIF(item));
}
return tx.serialize(true);
};
/**
* Sign Bitcoin pending transaction from Tatum KMS
* @param tx pending transaction from KMS
* @param privateKeys private keys to sign transaction with.
* @param testnet mainnet or testnet version
* @returns transaction data to be broadcast to blockchain.
*/
const signBitcoinKMSTransaction = async (tx, privateKeys) => {
if (tx.chain !== model_1.Currency.BTC) {
throw Error('Unsupported chain.');
}
const builder = new bitcore_lib_1.Transaction(JSON.parse(tx.serializedTransaction));
for (const privateKey of privateKeys) {
builder.sign(bitcore_lib_1.PrivateKey.fromWIF(privateKey));
}
return builder.serialize(true);
};
exports.signBitcoinKMSTransaction = signBitcoinKMSTransaction;
/**
* Sign Bitcoin transaction with private keys locally. Nothing is broadcast to the blockchain.
* @param testnet mainnet or testnet version
* @param body content of the transaction to broadcast
* @returns transaction data to be broadcast to blockchain.
*/
const prepareBitcoinSignedTransaction = async (testnet, body) => {
return prepareSignedTransaction(body);
};
exports.prepareBitcoinSignedTransaction = prepareBitcoinSignedTransaction;
/**
* Send Bitcoin transaction 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
*/
const sendBitcoinTransaction = async (testnet, body) => {
return blockchain_1.btcBroadcast(await exports.prepareBitcoinSignedTransaction(testnet, body));
};
exports.sendBitcoinTransaction = sendBitcoinTransaction;
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FFLElBQUksQ0FBQyxDQUFDLENBQUE7QUFDM0UsQ0FBQyxDQUFBO0FBRlksUUFBQSxzQkFBc0IsMEJBRWxDIn0=