hardhat.config.ts

import "@typechain/hardhat"
import "@nomiclabs/hardhat-waffle"
import "@nomiclabs/hardhat-etherscan"
import "@nomiclabs/hardhat-ethers"
import "hardhat-gas-reporter"
import "dotenv/config"
import "solidity-coverage"
import "hardhat-deploy"
import "solidity-coverage"
import { HardhatUserConfig } from "hardhat/config"

// You need to export an object to set up your config
// Go to https://hardhat.org/config/ to learn more
/**
 * @type import('hardhat/config').HardhatUserConfig
 */

const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || ""
const KOVAN_RPC_URL =
  process.env.KOVAN_RPC_URL ||
  "https://eth-mainnet.alchemyapi.io/v2/your-api-key"
const PRIVATE_KEY =
  process.env.PRIVATE_KEY ||
  "0x11ee3108a03081fe260ecdc106554d09d9d1209bcafd46942b10e02943effc4a"
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || ""
const MAINNET_RPC_URL = process.env.MAINNET_RPC_URL || ""

const config: HardhatUserConfig = {
  defaultNetwork: "hardhat",
  networks: {
    hardhat: {
      chainId: 31337,
      // gasPrice: 130000000000,
      forking:{
          url: MAINNET_RPC_URL
      }
    },
    kovan: {
      url: KOVAN_RPC_URL,
      accounts: [PRIVATE_KEY],
      chainId: 42,
    },
  },
  solidity: {
    compilers: [
      {
        version: "0.8.7",
      },
      {
        version: "0.6.6",
      },
      {
        version: "0.6.12",
      },
      {
        version: "0.4.19",
      },
    ],
  },
  etherscan: {
    apiKey: ETHERSCAN_API_KEY,
  },
  gasReporter: {
    enabled: true,
    currency: "USD",
    outputFile: "gas-report.txt",
    noColors: true,
    // coinmarketcap: COINMARKETCAP_API_KEY,
  },
  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
    },
  },
}

export default config