hardhat.config.ts

import { HardhatUserConfig } from 'hardhat/config';
import '@nomicfoundation/hardhat-toolbox';
import '@nomiclabs/hardhat-ethers';
import '@nomiclabs/hardhat-etherscan';
import '@nomiclabs/hardhat-waffle';
import '@typechain/hardhat';
import yargs from 'yargs/yargs';

const argv = yargs()
  .env('')
  .options({
    coverage: {
      type: 'boolean',
      default: false,
    },
    gas: {
      alias: 'enableGasReport',
      type: 'boolean',
      default: false,
    },
    gasReport: {
      alias: 'enableGasReportPath',
      type: 'string',
      implies: 'gas',
      default: undefined,
    },
    mode: {
      alias: 'compileMode',
      type: 'string',
      choices: ['production', 'development'],
      default: 'development',
    },
    ir: {
      alias: 'enableIR',
      type: 'boolean',
      default: false,
    },
    compiler: {
      alias: 'compileVersion',
      type: 'string',
      default: '0.8.9',
    },
    coinmarketcap: {
      alias: 'coinmarketcapApiKey',
      type: 'string',
    },
  })
  .parseSync();

if (argv.gas) {
  require('hardhat-gas-reporter');
}

const withOptimizations = argv.gas || argv.compileMode === 'production';

const config: HardhatUserConfig = {
  solidity: {
    version: argv.compiler,
    settings: {
      optimizer: {
        enabled: withOptimizations,
        runs: 200,
      },
      viaIR: withOptimizations && argv.ir,
    },
  },
  networks: {
    hardhat: {
      blockGasLimit: 10000000,
      allowUnlimitedContractSize: !withOptimizations,
    },
  },
  gasReporter: {
    showMethodSig: true,
    currency: 'USD',
    outputFile: argv.gasReport,
    coinmarketcap: argv.coinmarketcap,
  },
};

if (argv.coverage) {
  require('solidity-coverage');
  if (config.networks?.hardhat) {
    config.networks.hardhat.initialBaseFeePerGas = 0;
  }
}

export default config;