study-univ3-on-hardhat/hardhat.config.ts

import { HardhatUserConfig, extendEnvironment } from "hardhat/config";
import "@nomicfoundation/hardhat-toolbox";

import deployer from './.secret'
import {HardhatRuntimeEnvironment} from "hardhat/types";

const BSC = 'https://bsc.meowrpc.com'
const BSC_TESTNET = 'https://data-seed-prebsc-1-s1.binance.org:8545/'

const config: HardhatUserConfig = {
  defaultNetwork: 'bsc_testnet',
  solidity: "0.7.6",
  networks: {
    bsc: {
      url: BSC,
      chainId: 56,
      accounts: [deployer.private]
    },
    bsc_testnet: {
      url: BSC_TESTNET,
      chainId: 97,
      accounts: [deployer.private]
    }
  },
  paths: {
    sources: "./contracts",
    tests: "./test",
    cache: "./cache",
    artifacts: "./artifacts"
  },
  mocha: {
    timeout: 40000
  }
};

extendEnvironment((hre: HardhatRuntimeEnvironment) => {
  const Web3 = require("web3");
  hre.Web3 = Web3;

  hre.web3 = new Web3(hre.network.provider);
})

export default config;