@ckb-ccc/core
Version:
Core of CCC - CKBer's Codebase
47 lines (46 loc) • 2.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SignerCkbPrivateKey = void 0;
const secp256k1_1 = require("@noble/curves/secp256k1");
const index_js_1 = require("../../bytes/index.js");
const index_js_2 = require("../../ckb/index.js");
const index_js_3 = require("../../hex/index.js");
const index_js_4 = require("../../num/index.js");
const signerCkbPublicKey_js_1 = require("./signerCkbPublicKey.js");
const verifyCkbSecp256k1_js_1 = require("./verifyCkbSecp256k1.js");
/**
* @public
*/
class SignerCkbPrivateKey extends signerCkbPublicKey_js_1.SignerCkbPublicKey {
constructor(client, privateKey) {
const pk = (0, index_js_3.hexFrom)(privateKey);
if ((0, index_js_1.bytesFrom)(pk).length !== 32) {
throw new Error("Private key must be 32 bytes!");
}
super(client, secp256k1_1.secp256k1.getPublicKey((0, index_js_1.bytesFrom)(pk), true));
this.privateKey = pk;
}
async _signMessage(message) {
const signature = secp256k1_1.secp256k1.sign((0, index_js_1.bytesFrom)(message), (0, index_js_1.bytesFrom)(this.privateKey));
const { r, s, recovery } = signature;
return (0, index_js_3.hexFrom)((0, index_js_1.bytesConcat)((0, index_js_4.numBeToBytes)(r, 32), (0, index_js_4.numBeToBytes)(s, 32), (0, index_js_4.numBeToBytes)(recovery, 1)));
}
async signMessageRaw(message) {
return this._signMessage((0, verifyCkbSecp256k1_js_1.messageHashCkbSecp256k1)(message));
}
async signOnlyTransaction(txLike) {
const tx = index_js_2.Transaction.from(txLike);
for (const { script } of await this.getRelatedScripts(tx)) {
const info = await tx.getSignHashInfo(script, this.client);
if (!info) {
return tx;
}
const signature = await this._signMessage(info.message);
const witness = tx.getWitnessArgsAt(info.position) ?? index_js_2.WitnessArgs.from({});
witness.lock = signature;
tx.setWitnessArgsAt(info.position, witness);
}
return tx;
}
}
exports.SignerCkbPrivateKey = SignerCkbPrivateKey;