@zeroledger/vycrypt/cjs/stealth/stealth.js

TS Development Kit for ZeroLeger Protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deriveStealthAccount = exports.createStealth = void 0;
const utils = require("@noble/curves/abstract/utils");
const utils_1 = require("@noble/hashes/utils");
const viem_1 = require("viem");
const accounts_1 = require("viem/accounts");
const elliptic_1 = require("./elliptic");
const createStealth = (publicKey) => {
    const random = utils.bytesToNumberBE((0, utils_1.randomBytes)(16));
    const stealthPublicKey = (0, elliptic_1.mulPublicKey)(publicKey, random);
    const stealthAddress = (0, viem_1.getAddress)(`0x${(0, viem_1.keccak256)(("0x" + stealthPublicKey.substring(4))).substring(26)}`);
    if (!(0, viem_1.isAddress)(stealthAddress)) {
        throw new Error("STEALTH_ADDRESS_GENERATION_FAIL");
    }
    return {
        stealthAddress,
        random,
    };
};
exports.createStealth = createStealth;
const deriveStealthAccount = (pk, random) => {
    const stealthPk = (0, elliptic_1.mulPrivateKey)(pk, (0, viem_1.hexToBigInt)(random));
    return (0, accounts_1.privateKeyToAccount)(stealthPk);
};
exports.deriveStealthAccount = deriveStealthAccount;
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