hardhat.config.js

require('@nomicfoundation/hardhat-toolbox')
require('@nomiclabs/hardhat-ethers')
require('@nomiclabs/hardhat-truffle5')
require('@openzeppelin/hardhat-upgrades')
require('@nomiclabs/hardhat-etherscan')
require('dotenv').config()

/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
  defaultNetwork: "matic",
  networks: {
    hardhat: {
      // chainId: 1337,
      // chainId: 80001
    },
    // goerli: {
    //   url: `https://goerli.infura.io/v3/${process.env.INFURA_PROJECT_ID}`,
    //   accounts: [process.env.PRIVATE_KEY],
    // },
    // mumbai: {
    //   // Infura
    //   url: `https://polygon-mumbai.infura.io/v3/${process.env.INFURA_PROJECT_ID}`,
    //   // url: 'https://rpc-mumbai.maticvigil.com',
    //   accounts: [process.env.PRIVATE_KEY],
    // },
    // mainnet: {
    //   // Infura
    //   url: `https://polygon-mainnet.infura.io/v3/${process.env.INFURA_PROJECT_ID}`,
    //   // url: 'https://rpc-mainnet.maticvigil.com',
    //   accounts: [process.env.PRIVATE_KEY],
    // },
    matic: {
      url: "https://rpc-mumbai.maticvigil.com",
      accounts: [process.env.PRIVATE_KEY],
    }
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
  solidity: {
    version: '0.8.9',
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
}