chaingate

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A complete TypeScript library for connecting to and making transactions on different blockchains
77 lines • 3.36 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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      desc = { enumerable: true, get: function() { return m[k]; } };
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}) : (function(o, m, k, k2) {
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    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.LegacyUtxoPreparedTransaction = void 0;
const Utils_1 = require("../../../../InternalUtils/Utils");
const btc = __importStar(require("@scure/btc-signer"));
const btc_signer_1 = require("@scure/btc-signer");
const UtxoTransaction_1 = require("../UtxoWallet/UtxoTransaction");
const UtxoUtils_1 = require("../UtxoWallet/UtxoUtils");
class LegacyUtxoPreparedTransaction extends UtxoTransaction_1.UtxoTransaction {
    constructor(utils, fromAddress, toAddress, amount, networkParams, privateKeyProvider) {
        super(utils, fromAddress, toAddress, amount, networkParams, privateKeyProvider);
    }
    toLegacyAddress(address) {
        return address;
    }
    async sign(inputs, outputs) {
        const txVins = inputs.map((vin) => ({
            txid: (0, Utils_1.hexToBytes)(vin.txid),
            index: vin.n,
            witnessUtxo: {
                script: vin.script,
                amount: BigInt((0, UtxoUtils_1.toSatoshi)(vin.amount.toString()).toString()),
            },
        }));
        const txVouts = outputs.map((vout) => ({
            script: btc_signer_1.OutScript.encode(btc.Address(this.networkParams).decode(vout.address)),
            amount: BigInt((0, UtxoUtils_1.toSatoshi)(vout.amount).toString()),
        }));
        const transaction = new btc.Transaction({
            allowLegacyWitnessUtxo: true,
        });
        for (const txVin of txVins)
            transaction.addInput(txVin);
        for (const txVout of txVouts)
            transaction.addOutput(txVout);
        const privateKeyRaw = (await this.privateKeyProvider()).raw;
        for (let i = 0; i < transaction.inputsLength; i++)
            transaction.signIdx(privateKeyRaw, i);
        transaction.finalize();
        return (0, Utils_1.hexToBytes)(transaction.hex);
    }
}
exports.LegacyUtxoPreparedTransaction = LegacyUtxoPreparedTransaction;
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