hardhat_demo/hardhat.config.js

require("@nomicfoundation/hardhat-toolbox");

// The next line is part of the sample project, you don't need it in your
// project. It imports a Hardhat task definition, that can be used for
// testing the frontend.
require("./tasks/faucet");


//转到https://www.alchemyapi.io，注册，创建
//在仪表板中安装一个新的应用程序，并用其键替换“KEY”
const ALCHEMY_API_KEY = "1DMM5KirKK3HriaDHRxrTFjYNKko9Kwn";


//用Goerli帐户私钥替换此私钥
//要从Metamask导出私钥，请打开Metamask并
//转到帐户详细信息>导出私钥
//小心：切勿将真实以太币放入测试账户
const GOERLI_PRIVATE_KEY = "511348790f6c17d7fbafdb7108307698542acef8ca01e7d263d8367cc412015a";
/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
  solidity: "0.8.9",
  networks: {
    goerli: {
      url: `https://eth-goerli.alchemyapi.io/v2/${ALCHEMY_API_KEY}`,
      accounts: [GOERLI_PRIVATE_KEY]
    }
  }
};