hardhat.config.js

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

const RINKEBY_RPC_URL = process.env.RINKEBY_RPC_URL
const PRIVATE_KEY = process.env.PRIVATE_KEY
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY
const COINMARKET_API = process.env.COINMARKET_API
const MAINNET_RPC_URL = process.env.MAINNET_RPC_URL

module.exports = {
    solidity: {
        compilers: [
            { version: "0.8.7" },
            { version: "0.6.6" },
            { version: "0.6.12" },
            { version: "0.4.19" },
        ],
    },
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            chainId: 31337,
            forking: {
                url: MAINNET_RPC_URL,
            },
        },
        localhost: {
            chainId: 31337,
        },
        rinkeby: {
            url: RINKEBY_RPC_URL,
            accounts: [PRIVATE_KEY],
            chainID: 4,
            blockConfirmations: 6,
            noColors: true,
            currency: "USD",
            coinmarketcap: COINMARKET_API,
            token: "MATIC",
        },
    },
    etherscan: {
        apikey: ETHERSCAN_API_KEY,
    },
    namedAccounts: {
        deployer: {
            default: 0,
        },
        user: {
            default: 1,
        },
    },
}