hardhat.config.ts

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

dotenv.config();

const config: HardhatUserConfig = {
  solidity: {
    version: "0.8.17",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
  networks: {
    ethereum: {
      url: process.env.ETHEREUM_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    goerli: {
      url: process.env.GOERLI_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    mantleTestnet: {
      url: process.env.MANTLE_TESTNET_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    arbitrum: {
      url: process.env.ARBITRUM_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    arbitrumGoerli: {
      url: process.env.ARBITRUM_GOERLI_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    mumbai: {
      url: process.env.POLYGON_MUMBAI_URL || "",
      accounts:
        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
  },
  etherscan: {
    apiKey: {
      mainnet: process.env.ETHERSCAN_API_KEY || "",
      goerli: process.env.ETHERSCAN_API_KEY || "",
      arbitrum: process.env.ARBITRUM_EXPLORER_API_KEY || "",
      arbitrumGoerli: process.env.ARBITRUM_EXPLORER_API_KEY || "",
      polygonMumbai: process.env.POLYGON_EXPLORER_API_KEY || "",
    },
  },
};

export default config;