charms-js
Version:
TypeScript SDK for decoding Bitcoin transactions containing Charms data
71 lines (70 loc) • 2.67 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
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;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractAddress = extractAddress;
const bitcoin = __importStar(require("bitcoinjs-lib"));
// Extract address from output script with network fallback and P2TR support
function extractAddress(scriptBuf) {
const networks = [bitcoin.networks.testnet, bitcoin.networks.bitcoin];
// Try standard address extraction for both networks
for (const network of networks) {
try {
return bitcoin.address.fromOutputScript(scriptBuf, network);
}
catch {
// Continue to next network
}
}
// Fallback to manual P2TR decode
const chunks = bitcoin.script.decompile(scriptBuf);
if (chunks && chunks.length > 1) {
if (chunks[0] === bitcoin.opcodes.OP_1 && Buffer.isBuffer(chunks[1]) && chunks[1].length === 32) {
const key = chunks[1];
// Try testnet first, then mainnet
try {
return bitcoin.address.toBech32(key, 1, 'tb');
}
catch {
try {
return bitcoin.address.toBech32(key, 1, 'bc');
}
catch {
// Fall through to unknown
}
}
}
}
return 'unknown';
}