hardhat.config.ts

import 'hardhat-typechain'
import '@nomiclabs/hardhat-ethers'
import '@nomiclabs/hardhat-waffle'
import '@nomiclabs/hardhat-etherscan'

const LOW_OPTIMIZER_COMPILER_SETTINGS = {
  version: '0.7.6',
  settings: {
    optimizer: {
      enabled: true,
      runs: 2_000,
    },
    metadata: {
      bytecodeHash: 'none',
    },
  },
}

const LOWEST_OPTIMIZER_COMPILER_SETTINGS = {
  version: '0.7.6',
  settings: {
    optimizer: {
      enabled: true,
      runs: 1_000,
    },
    metadata: {
      bytecodeHash: 'none',
    },
  },
}

const DEFAULT_COMPILER_SETTINGS = {
  version: '0.7.6',
  settings: {
    optimizer: {
      enabled: true,
      runs: 1_000_000,
    },
    metadata: {
      bytecodeHash: 'none',
    },
  },
}

export default {
  networks: {
    hardhat: {
      allowUnlimitedContractSize: false,
    },
    mainnet: {
      url: `https://mainnet.infura.io/v3/${process.env.INFURA_API_KEY}`,
    },
    ropsten: {
      url: `https://ropsten.infura.io/v3/${process.env.INFURA_API_KEY}`,
    },
    rinkeby: {
      url: `https://rinkeby.infura.io/v3/${process.env.INFURA_API_KEY}`,
    },
    goerli: {
      url: `https://goerli.infura.io/v3/${process.env.INFURA_API_KEY}`,
    },
    kovan: {
      url: `https://kovan.infura.io/v3/${process.env.INFURA_API_KEY}`,
    },
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
  solidity: {
    compilers: [DEFAULT_COMPILER_SETTINGS],
    overrides: {
      'contracts/NonfungiblePositionManager.sol': LOW_OPTIMIZER_COMPILER_SETTINGS,
      'contracts/test/MockTimeNonfungiblePositionManager.sol': LOW_OPTIMIZER_COMPILER_SETTINGS,
      'contracts/test/NFTDescriptorTest.sol': LOWEST_OPTIMIZER_COMPILER_SETTINGS,
      'contracts/NonfungibleTokenPositionDescriptor.sol': LOWEST_OPTIMIZER_COMPILER_SETTINGS,
      'contracts/libraries/NFTDescriptor.sol': LOWEST_OPTIMIZER_COMPILER_SETTINGS,
    },
  },
}