hyperlane-monorepo/solidity/app/hardhat.config.ts

import '@nomiclabs/hardhat-waffle';
import '@typechain/hardhat';
import 'hardhat-gas-reporter';
import 'solidity-coverage';

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
  solidity: {
    compilers: [
      {
        version: '0.8.13',
      },
      {
        version: '0.7.6',
        settings: {
          optimizer: {
            enabled: true,
            runs: 999999,
          },
        },
      },
    ],
  },
  gasReporter: {
    currency: 'USD',
  },
  typechain: {
    outDir: './types',
    target: 'ethers-v5',
    alwaysGenerateOverloads: false,
  },
};