hardhat.config.js

require("dotenv").config();

require("@nomiclabs/hardhat-etherscan");
require("@nomiclabs/hardhat-waffle");
require("hardhat-gas-reporter");
require("solidity-coverage");
require("hardhat-deploy");

const GOERLI_RPC_URL =
    process.env.GOERLI_RPC_URL || "http://goerly_example.com";
const LOCALHOST_RPC_URL = process.env.LOCALHOST_RPC_URL || "localhost";
const PRIVATE_KEY = process.env.PRIVATE_KEY || "key";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "key";
const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || "key";

module.exports = {
    solidity: {
        compilers: [{ version: "0.8.8" }, { version: "0.6.6" }],
    },
    networks: {
        hardhat: {
            chainId: 31337,
            // gasPrice: 130000000000,
        },
        localhost: {
            chainId: 31337,
            // gasPrice: 130000000000,
        },
        goerli: {
            url: GOERLI_RPC_URL,
            accounts: [PRIVATE_KEY],
            chainId: 5,
            blockConfirmations: 6,
        },
    },
    gasReporter: {
        enabled: true,
        outputFile: "gas-report.txt",
        noColors: true, // otherwise when saving to file, colors might cause issues
        currency: "USD",
        coinmarketcap: COINMARKETCAP_API_KEY,
        token: "ETH",
    },
    etherscan: {
        apiKey: ETHERSCAN_API_KEY,
    },
    namedAccounts: {
        deployer: {
            default: 0,
        },
    },
};