"use strict";
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 });
const crypto = __importStar(require("@shardeum-foundation/lib-crypto-utils"));
crypto.init('69fa4195670576c0160d660c3be36556ff8d504725be8a59b5a96509e0c994bc');
function hex2bin(hex) {
    let bin = '';
    for (let i = 0; i < hex.length; i++) {
        bin += parseInt(hex[i], 16).toString(2).padStart(4, '0');
    }
    return bin;
}
process.on('message', ({ seed, difficulty }) => {
    let nonce, hash;
    do {
        nonce = crypto.randomBytes();
        hash = crypto.hashObj({ seed, nonce });
    } while (parseInt(hex2bin(hash).substring(0, difficulty), 2) !== 0);
    process.send({
        nonce,
        hash,
    });
});
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