@okxweb3/coin-bitcoin
Version:
@okxweb3/coin-bitcoin is a Bitcoin SDK for building Web3 wallets and applications. It supports BTC, BSV, DOGE, LTC, and TBTC, enabling private key management, transaction signing, address generation, and inscriptions like BRC-20, Runes, CAT, and Atomicals
132 lines • 4.86 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Psbt = void 0;
const combiner_1 = require("./combiner");
const parser_1 = require("./parser");
const typeFields_1 = require("./typeFields");
const utils_1 = require("./utils");
class Psbt {
static fromBase64(data, txFromBuffer) {
const buffer = Buffer.from(data, 'base64');
return this.fromBuffer(buffer, txFromBuffer);
}
static fromHex(data, txFromBuffer) {
const buffer = Buffer.from(data, 'hex');
return this.fromBuffer(buffer, txFromBuffer);
}
static fromBuffer(buffer, txFromBuffer) {
const results = (0, parser_1.psbtFromBuffer)(buffer, txFromBuffer);
const psbt = new this(results.globalMap.unsignedTx);
Object.assign(psbt, results);
return psbt;
}
constructor(tx) {
this.inputs = [];
this.outputs = [];
this.globalMap = {
unsignedTx: tx,
};
}
toBase64() {
const buffer = this.toBuffer();
return buffer.toString('base64');
}
toHex() {
const buffer = this.toBuffer();
return buffer.toString('hex');
}
toBuffer() {
return (0, parser_1.psbtToBuffer)(this);
}
updateGlobal(updateData) {
(0, utils_1.updateGlobal)(updateData, this.globalMap);
return this;
}
updateInput(inputIndex, updateData) {
const input = (0, utils_1.checkForInput)(this.inputs, inputIndex);
(0, utils_1.updateInput)(updateData, input);
return this;
}
updateOutput(outputIndex, updateData) {
const output = (0, utils_1.checkForOutput)(this.outputs, outputIndex);
(0, utils_1.updateOutput)(updateData, output);
return this;
}
addUnknownKeyValToGlobal(keyVal) {
(0, utils_1.checkHasKey)(keyVal, this.globalMap.unknownKeyVals, (0, utils_1.getEnumLength)(typeFields_1.GlobalTypes));
if (!this.globalMap.unknownKeyVals)
this.globalMap.unknownKeyVals = [];
this.globalMap.unknownKeyVals.push(keyVal);
return this;
}
addUnknownKeyValToInput(inputIndex, keyVal) {
const input = (0, utils_1.checkForInput)(this.inputs, inputIndex);
(0, utils_1.checkHasKey)(keyVal, input.unknownKeyVals, (0, utils_1.getEnumLength)(typeFields_1.InputTypes));
if (!input.unknownKeyVals)
input.unknownKeyVals = [];
input.unknownKeyVals.push(keyVal);
return this;
}
addUnknownKeyValToOutput(outputIndex, keyVal) {
const output = (0, utils_1.checkForOutput)(this.outputs, outputIndex);
(0, utils_1.checkHasKey)(keyVal, output.unknownKeyVals, (0, utils_1.getEnumLength)(typeFields_1.OutputTypes));
if (!output.unknownKeyVals)
output.unknownKeyVals = [];
output.unknownKeyVals.push(keyVal);
return this;
}
addInput(inputData) {
this.globalMap.unsignedTx.addInput(inputData);
this.inputs.push({
unknownKeyVals: [],
});
const addKeyVals = inputData.unknownKeyVals || [];
const inputIndex = this.inputs.length - 1;
if (!Array.isArray(addKeyVals)) {
throw new Error('unknownKeyVals must be an Array');
}
addKeyVals.forEach((keyVal) => this.addUnknownKeyValToInput(inputIndex, keyVal));
(0, utils_1.addInputAttributes)(this.inputs, inputData);
return this;
}
addOutput(outputData) {
this.globalMap.unsignedTx.addOutput(outputData);
this.outputs.push({
unknownKeyVals: [],
});
const addKeyVals = outputData.unknownKeyVals || [];
const outputIndex = this.outputs.length - 1;
if (!Array.isArray(addKeyVals)) {
throw new Error('unknownKeyVals must be an Array');
}
addKeyVals.forEach((keyVal) => this.addUnknownKeyValToInput(outputIndex, keyVal));
(0, utils_1.addOutputAttributes)(this.outputs, outputData);
return this;
}
clearFinalizedInput(inputIndex) {
const input = (0, utils_1.checkForInput)(this.inputs, inputIndex);
(0, utils_1.inputCheckUncleanFinalized)(inputIndex, input);
for (const key of Object.keys(input)) {
if (![
'witnessUtxo',
'nonWitnessUtxo',
'finalScriptSig',
'finalScriptWitness',
'unknownKeyVals',
].includes(key)) {
delete input[key];
}
}
return this;
}
combine(...those) {
const result = (0, combiner_1.combine)([this].concat(those));
Object.assign(this, result);
return this;
}
getTransaction() {
return this.globalMap.unsignedTx.toBuffer();
}
}
exports.Psbt = Psbt;
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