hardhat.config.js

require("@nomiclabs/hardhat-waffle");
require("@nomiclabs/hardhat-etherscan");
require("hardhat-deploy");
require("solidity-coverage");
require("hardhat-gas-reporter");
require("hardhat-contract-sizer");
require("dotenv").config();
/** @type import('hardhat/config').HardhatUserConfig */
const GOERLI_RPC_URL = process.env.GOERLI_RPC_URL || "https://eth-goerli";
const PRIVATE_KEY = process.env.PRIVATE_KEY || "0xkey";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "key";
module.exports = {
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            chainId: 31337,
            // gasPrice: 130000000000,
        },
        goerli: {
            url: GOERLI_RPC_URL,
            accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
            chainId: 5,
            blockConfirmations: 6,
        },
    },
    etherscan: {
        // yarn hardhat verify --network <NETWORK> <CONTRACT_ADDRESS> <CONSTRUCTOR_PARAMETERS>
        apiKey: {
            goerli: ETHERSCAN_API_KEY,
        },
        customChains: [
            {
                network: "goerli",
                chainId: 5,
                urls: {
                    apiURL: "https://api-goerli.etherscan.io/api",
                    browserURL: "https://goerli.etherscan.io",
                },
            },
        ],
    },
    solidity: "0.8.8",
    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
        },
    },

    mocha: {
        timeout: 500000,
    },
};