hardhat.config.js

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
 require('dotenv').config();
 require('@nomiclabs/hardhat-waffle');
 require('@nomiclabs/hardhat-solhint');
 require('solidity-coverage');
 require("@nomiclabs/hardhat-etherscan");
 require("hardhat-deploy");

module.exports = {
  defaultNetwork: "hardhat",
  solidity: {
    version: "0.8.0",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200
      }
    }
  },
  networks: {
    hardhat: {
      forking: {
        url: process.env.RPC_NODE_URL,
        blockNumber: 13327183,
      }
    },

    mainnet: {
    accounts: [`0x${process.env.MAINNET_PRIVATE_KEY}`],
      url: process.env.RPC_NODE_URL,
      chainId: 1,
      timeout: 2000000
    },

    kovan: {
    accounts: [`0x${process.env.KOVAN_PRIVATE_KEY}`],
      url: process.env.RPC_NODE_URL_KOVAN,
      chainId: 42,
      timeout: 2000000
    },

    binance: {
    accounts: [`0x${process.env.BINANCE_PRIVATE_KEY}`],
      url: "https://bsc-dataseed.binance.org/",
      chainId: 56,
      timeout: 20000000
    },

    matic: {
    accounts: [`0x${process.env.MATIC_PRIVATE_KEY}`],
      url: "https://rpc-mainnet.maticvigil.com/",
      chainId: 137,
      timeout: 20000000
    },
  },
  namedAccounts: {
    deployer: 0,
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY
  },

  mocha: {
    timeout: 2000000
  }
 };