hardhat.config.ts

import { HardhatUserConfig, task } from 'hardhat/config';
import '@nomiclabs/hardhat-waffle';
import 'hardhat-deploy-ethers';
import 'hardhat-deploy';
import 'hardhat-typechain';
import '@typechain/ethers-v5';
import '@nomiclabs/hardhat-etherscan';

import * as dotenv from 'dotenv';
import { accounts } from './test/shared/accounts';

dotenv.config();

const secret: string = process.env.PRIVATE_KEY as string;
const etherscanKey: string = process.env.ETHERSCAN_API_KEY as string;

// 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 (args, hre) => {
  const accounts = await hre.ethers.getSigners();
  for (const account of accounts) {
    console.log(account.address);
  }
});
 
/**
 * @type import('hardhat/config').HardhatUserConfig
 */
const config: HardhatUserConfig = {
  solidity: {
    compilers: [
      {
        version: '0.8.3',
        settings: {
          optimizer: {
            enabled: true,
            runs: 1000,
          },
        },
      },
    ],
  },
  networks: {
    hardhat: {
      gas: 99999999,
      gasPrice: 1,
      blockGasLimit: 999999999,
      allowUnlimitedContractSize: false,
      accounts: accounts,
    },
    mumbai: {
      url: 'https://rpc-mumbai.maticvigil.com',
      chainId: 80001,
      accounts: [secret],
      gas: 'auto',
      gasPrice: 1000000000, // 1 gwei
      gasMultiplier: 1.5,
    },
    // rinkeby: {
    //   url: `https://rinkeby.infura.io/v3/${process.env.INFURA_API_KEY}`,
    //   accounts: [secret],
    // },
    // ropsten: {
    //   url: `https://ropsten.infura.io/v3/${process.env.INFURA_API_KEY}`,
    //   accounts: [secret],
    // },
    // mainnet: {
    //   url: `https://mainnet.infura.io/v3/${process.env.INFURA_API_KEY}`,
    //   accounts: [secret],
    // },
    coverage: {
      url: 'http://127.0.0.1:8555', // Coverage launches its own ganache-cli client
    },
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: etherscanKey,
  },
  typechain: {
    outDir: 'typechain',
    target: 'ethers-v5',
  }
};
export default config;