hardhat.config.js

//require("@nomiclabs/hardhat-waffle");
require("@nomiclabs/hardhat-ethers");
require("@openzeppelin/hardhat-upgrades");
require("@nomiclabs/hardhat-etherscan");
require("@nomicfoundation/hardhat-chai-matchers"); // for testing
/** @type import('hardhat/config').HardhatUserConfig */
// require("hardhat-gas-reporter");
require("dotenv").config();
// require("solidity-coverage");
// require("hardhat-deploy");

const SEPOLIA_RPC_URL =
  "https://eth-sepolia.g.alchemy.com/v2/" + process.env.ALCKEMY_API;
const PRIVATE_KEY = process.env.PRIVATE_KEY || "";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "";

module.exports = {
  defaultNetwork: "hardhat",
  networks: {
    hardhat: {
      chainId: 31337,
      // gasPrice: 130000000000,
    },
    sepolia: {
      url: SEPOLIA_RPC_URL,
      accounts: [PRIVATE_KEY],
      chainId: 11155111,
      blockConfirmations: 6,
    },
  },
  solidity: "0.8.21",
  etherscan: {
    apiKey: ETHERSCAN_API_KEY,
  },
  namedAccounts: {
    deployer: {
      default: 0, // here this will by default take the first account as deployer
      1: 0, // similarly on mainnet it will take the first account as deployer. Note though that depending on how hardhat network are configured, the account 0 on one network can be different than on another
    },
  },
};