charms-js
Version:
TypeScript SDK for decoding Bitcoin transactions containing Charms data
111 lines (110 loc) • 3.68 kB
JavaScript
;
/**
* WASM wrapper for Charms.js - simplified integration
* Uses charms-lib WASM module for spell extraction and verification
*/
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.extractAndVerifySpell = extractAndVerifySpell;
exports.isWasmReady = isWasmReady;
exports.preloadWasm = preloadWasm;
let wasmModule = null;
let isLoading = false;
let loadPromise = null;
/**
* Load the WASM module (singleton pattern)
*/
async function loadWasmModule() {
if (wasmModule) {
return wasmModule;
}
if (loadPromise) {
return loadPromise;
}
if (isLoading) {
// Wait for loading to complete
while (isLoading) {
await new Promise(resolve => setTimeout(resolve, 10));
}
return wasmModule;
}
isLoading = true;
try {
loadPromise = Promise.resolve().then(() => __importStar(require('./wasm/charms_lib.js')));
wasmModule = await loadPromise;
return wasmModule;
}
catch (error) {
console.error('Failed to load WASM module:', error);
throw new Error(`WASM module loading failed: ${error instanceof Error ? error.message : String(error)}`);
}
finally {
isLoading = false;
loadPromise = null;
}
}
/**
* Extract and verify spell from transaction hex using WASM
* @param txHex - Transaction hex string
* @param mock - Whether to use mock mode (default: false)
* @returns Parsed spell data with verification
*/
async function extractAndVerifySpell(txHex, mock = false) {
const wasm = await loadWasmModule();
if (!wasm.extractAndVerifySpell) {
throw new Error('extractAndVerifySpell function not available in WASM module');
}
try {
// Use the same parameter format as the wallet
const param = { "bitcoin": txHex };
const result = wasm.extractAndVerifySpell(param, mock);
return result;
}
catch (error) {
throw new Error(`WASM spell extraction failed: ${error instanceof Error ? error.message : String(error)}`);
}
}
/**
* Check if WASM module is ready
*/
function isWasmReady() {
return wasmModule !== null && !isLoading;
}
/**
* Preload WASM module (optional, for better performance)
*/
async function preloadWasm() {
await loadWasmModule();
}