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()

const SEPOLIA_RPC_URL = process.env.SEPOLIA_RPC_URL || "https://eth-sepolia"
const PRIVATE_KEY = process.env.PRIVATE_KEY || "0xkey"
const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || "key"
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "key"
const MAINNET_RPC_URL = process.env.MAINNET_RPC_URL || "https://eth-mainnet"

/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            chainId: 31337,
            forking: {
                url: MAINNET_RPC_URL,
            },
        },
        sepolia: {
            chainId: 11155111,
            blockConfirmations: 6,
            url: SEPOLIA_RPC_URL,
            accounts: [PRIVATE_KEY],
        },
        localhost: {
            chainId: 31337,
        },
    },
    etherscan: {
        apiKey: {
            sepolia: ETHERSCAN_API_KEY,
        },
    },
    gasReporter: {
        enabled: false,
        currency: "USD",
        outputFile: "gas-report.txt",
        noColors: true,
        // coinmarketcap: process.env.COINMARKETCAP_API_KEY,
    },
    solidity: {
        compilers: [
            {
                version: "0.8.7",
            },
            {
                version: "0.6.6",
            },
            {
                version: "0.6.12",
            },
            {
                version: "0.4.19",
            },
        ],
    },
    namedAccounts: {
        deployer: {
            default: 0,
        },
        player: {
            default: 1,
        },
    },
    mocha: {
        timeout: 10000000, // 10000 secs max
    },
}