hardhat.config.ts

import '@nomiclabs/hardhat-ethers';
import '@nomiclabs/hardhat-etherscan';
import '@nomiclabs/hardhat-solhint';
import '@nomiclabs/hardhat-waffle';
import '@typechain/hardhat';
import { HardhatUserConfig } from 'hardhat/config';
import 'solidity-coverage';

const config: HardhatUserConfig = {
    networks: {
        ropsten: {
            url: process.env.ROPSTEN_URL || '',
            accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : []
        }
    },
    solidity: {
        compilers: [
            {
                version: '0.8.9',
                settings: {
                    optimizer: {
                        enabled: true,
                        runs: 2000
                    },
                    metadata: {
                        bytecodeHash: 'none'
                    },
                    outputSelection: {
                        '*': {
                            '*': ['storageLayout'] // Enable slots, offsets and types of the contract's state variables
                        }
                    }
                }
            }
        ]
    },
    etherscan: {
        apiKey: process.env.ETHERSCAN_API_KEY
    }
};

export default config;