hardhat.config.ts

import type { HardhatUserConfig } from "hardhat/config";

import "@matterlabs/hardhat-zksync";

import dotenv from "dotenv";
dotenv.config();

const config: HardhatUserConfig = {
  defaultNetwork: "ZKsyncEraSepolia",
  networks: {
    ZKsyncEraSepolia: {
      url: "https://sepolia.era.zksync.dev",
      ethNetwork: "sepolia",
      zksync: true,
      verifyURL:
        "https://explorer.sepolia.era.zksync.dev/contract_verification",
      accounts: process.env.WALLET_PRIVATE_KEY
        ? [process.env.WALLET_PRIVATE_KEY]
        : [],
    },
    ZKsyncEraMainnet: {
      url: "https://mainnet.era.zksync.io",
      ethNetwork: "mainnet",
      zksync: true,
      verifyURL:
        "https://zksync2-mainnet-explorer.zksync.io/contract_verification",
      accounts: process.env.WALLET_PRIVATE_KEY
        ? [process.env.WALLET_PRIVATE_KEY]
        : [],
    },
    dockerizedNode: {
      url: "http://localhost:3050",
      ethNetwork: "http://localhost:8545",
      zksync: true,
      accounts: process.env.WALLET_PRIVATE_KEY
        ? [process.env.WALLET_PRIVATE_KEY]
        : [],
    },
    anvilZKsync: {
      url: "http://127.0.0.1:8011",
      ethNetwork: "localhost", // anvil doesn't support eth node; removing this line will cause an error
      zksync: true,
      accounts: process.env.WALLET_PRIVATE_KEY
        ? [process.env.WALLET_PRIVATE_KEY]
        : [],
    },
    hardhat: {
      zksync: true,
    },
  },
  zksolc: {
    version: "latest",
    settings: {
      // find all available options in the official documentation
      // https://docs.zksync.io/build/tooling/hardhat/hardhat-zksync-solc#configuration
    },
  },
  solidity: {
    compilers: [
      {
        version: "0.8.27",
        settings: {
          optimizer: {
            enabled: true,
            runs: 800,
          },
        },
      },
      {
        version: "0.8.12",
        settings: {
          optimizer: {
            enabled: true,
            runs: 800,
          },
        },
      },
      {
        version: "0.7.6",
        settings: {
          optimizer: {
            enabled: true,
            runs: 800,
          },
        },
      },
      {
        version: "0.8.17",
        settings: {
          optimizer: {
            enabled: true,
            runs: 800,
          },
        },
      },
    ],
  },
};

export default config;