hardhat.config.ts

import { HardhatUserConfig } from 'hardhat/config';
import '@nomicfoundation/hardhat-toolbox';

require('dotenv').config();

const config: HardhatUserConfig = {
  solidity: {
    version: '0.8.17'
  },
  networks: {
    // for testnet
    'base-goerli': {
      url: 'https://goerli.base.org',
      accounts: [process.env.WALLET_KEY as string]
    },
    // for local dev environment
    'base-local': {
      url: 'http://localhost:8545',
      accounts: [process.env.WALLET_KEY as string]
    }
  },
  defaultNetwork: 'hardhat',
  // Hardhat expects etherscan here, even if you're using Blockscout.
  etherscan: {
    apiKey: {
      // Uncomment for Blockscout
      // No api key is needed for Basescan
      // Blockscout
      'base-goerli': process.env.BLOCKSCOUT_KEY as string
    },
    customChains: [
      {
        network: 'base-goerli',
        chainId: 84531,
        urls: {
          // Pick a block explorer and uncomment those lines
          // Blockscout
          //apiURL: 'https://base-goerli.blockscout.com/api',
          //browserURL: 'https://base-goerli.blockscout.com'
          // Basescan by Etherscan
          apiURL: 'https://api-goerli.basescan.org/api',
          browserURL: 'https://goerli.basescan.org'
        }
      }
    ]
  }
};

export default config;