@ckb-ccc/core
Version:
Core of CCC - CKBer's Codebase
39 lines (38 loc) • 1.64 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SignerNostrPrivateKey = void 0;
const secp256k1_1 = require("@noble/curves/secp256k1");
const bech32_1 = require("bech32");
const index_js_1 = require("../../hex/index.js");
const signerNostrPublicKeyReadonly_js_1 = require("./signerNostrPublicKeyReadonly.js");
const verify_js_1 = require("./verify.js");
/**
* Signer from Nostr private key
* Support nsec and hex format
*/
class SignerNostrPrivateKey extends signerNostrPublicKeyReadonly_js_1.SignerNostrPublicKeyReadonly {
constructor(client, privateKeyLike) {
const privateKey = (() => {
if (typeof privateKeyLike === "string" &&
privateKeyLike.startsWith("nsec")) {
const { words } = bech32_1.bech32.decode(privateKeyLike);
return (0, index_js_1.hexFrom)(bech32_1.bech32.fromWords(words));
}
return (0, index_js_1.hexFrom)(privateKeyLike);
})();
super(client, secp256k1_1.schnorr.getPublicKey(privateKey.slice(2)));
this.privateKey = privateKey;
}
async signNostrEvent(event) {
const pubkey = (await this.getNostrPublicKey()).slice(2);
const eventHash = (0, verify_js_1.nostrEventHash)({ ...event, pubkey });
const signature = secp256k1_1.schnorr.sign(eventHash, this.privateKey.slice(2));
return {
...event,
id: (0, index_js_1.hexFrom)(eventHash).slice(2),
pubkey,
sig: (0, index_js_1.hexFrom)(signature).slice(2),
};
}
}
exports.SignerNostrPrivateKey = SignerNostrPrivateKey;