hardhat.config.js

require("@nomiclabs/hardhat-waffle");
const fs = require('fs');
// This is a sample Hardhat task. To learn how to create your own go to
// https://hardhat.org/guides/create-task.html
// task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
//   const accounts = await hre.ethers.getSigners();

//   for (const account of accounts) {
//     console.log(account.address);
//   }
// });

// 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
 */
module.exports = {
  defaultNetwork: "hardhat",
  networks: {
    hardhat: {
      chainId: 1337
    },
    // unused configuration commented out for now
    mumbai: {
      url: "https://rpc-mumbai.matic.today",
      accounts: [`0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80`]
    }
  },
  solidity: {
    version: "0.8.4",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200
      }
    }
  }
}