@arkade-os/sdk
Version:
Bitcoin wallet SDK with Taproot and Ark integration
58 lines (57 loc) • 2.42 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.aggregateKeys = aggregateKeys;
const musig = __importStar(require("@scure/btc-signer/musig2.js"));
const secp256k1_js_1 = require("@noble/curves/secp256k1.js");
// Aggregates multiple public keys according to the MuSig2 algorithm
function aggregateKeys(publicKeys, sort, options = {}) {
if (sort) {
publicKeys = musig.sortKeys(publicKeys);
}
const { aggPublicKey: preTweakedKey } = musig.keyAggregate(publicKeys);
if (!options.taprootTweak) {
return {
preTweakedKey: preTweakedKey.toBytes(true),
finalKey: preTweakedKey.toBytes(true),
};
}
const tweakBytes = secp256k1_js_1.schnorr.utils.taggedHash("TapTweak", preTweakedKey.toBytes(true).subarray(1), options.taprootTweak ?? new Uint8Array(0));
const { aggPublicKey: finalKey } = musig.keyAggregate(publicKeys, [tweakBytes], [true]);
return {
preTweakedKey: preTweakedKey.toBytes(true),
finalKey: finalKey.toBytes(true),
};
}