hardhat.config.js

require("@nomiclabs/hardhat-waffle")
require("@nomiclabs/hardhat-etherscan")
require("@nomiclabs/hardhat-ethers")
require("hardhat-deploy")
require("solidity-coverage")
require("hardhat-gas-reporter")
require("hardhat-contract-sizer")
require("dotenv").config()

/**
 * @type import('hardhat/config').HardhatUserConfig
 */

const MAINNET_RPC_URL =
    process.env.MAINNET_RPC_URL ||
    process.env.ALCHEMY_MAINNET_RPC_URL ||
    "MAINNET_RPC_URL=https://eth-goerli.g.alchemy.com/v2/WXIYO8HaMzO-9iheSl8qo7T5_otuzhUb"

const GOERLI_RPC_URL =
    process.env.GOERLI_RPC_URL ||
    "https://eth-goerli.alchemyapi.io/v2/WXIYO8HaMzO-9iheSl8qo7T5_otuzhUb"

const PRIVATE_KEY =
    process.env.PRIVATE_KEY || "0x8ce9832dfe0af98bc8eb2d5dfa882fea5a03b9fcb6c0094f4ca1f3c8f5d49190"
// optional

// Your API key for Etherscan, obtain one at https://etherscan.io/
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "2J6UT6QIWJ9QUPYG3P686R5D34HX5J5K4E"
const REPORT_GAS = process.env.REPORT_GAS || false

module.exports = {
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            forking: {
                url: MAINNET_RPC_URL,
            },
            chainId: 31337,
        },
        localhost: {
            chainId: 31337,
        },
        goerli: {
            url: GOERLI_RPC_URL,
            accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
            //   accounts: {
            //     mnemonic: MNEMONIC,
            //   },
            saveDeployments: true,
            chainId: 5,
            blockConfirmations: 6,
        },
        mainnet: {
            url: MAINNET_RPC_URL,
            accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
            //   accounts: {
            //     mnemonic: MNEMONIC,
            //   },
            saveDeployments: true,
            chainId: 1,
            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",
                },
            },
        ],
    },
    gasReporter: {
        enabled: REPORT_GAS,
        currency: "USD",
        outputFile: "gas-report.txt",
        noColors: true,
        // coinmarketcap: process.env.COINMARKETCAP_API_KEY,
    },
    contractSizer: {
        runOnCompile: false,
        only: ["Raffle"],
    },
    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
        },
        player: {
            default: 1,
        },
    },
    solidity: {
        compilers: [
            {
                version: "0.8.7",
            },
            { version: "0.6.6" },
            {
                version: "0.4.19",
            },
            { version: "0.6.12" },
        ],
    },
    mocha: {
        timeout: 500000, // 500 seconds max for running tests
    },
}