hardhat.config.ts

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

const mnemonic = process.env.SEED;

if (!mnemonic) {
  console.log("Please set SEED environment variable.")
  process.exit(-1)
}

export default {
  networks: {
    hardhat: {
      allowUnlimitedContractSize: false,
    },
    mainnet: {
      url: `https://mainnet.infura.io/v3/${process.env.CHAINSTACK_API_KEY}`,
    },
    optimism: {
      url: `https://opt-mainnet.g.alchemy.com/v2/${process.env.ALCHEMY_API_KEY}`,
      accounts: { mnemonic },
    },
    ganache: {
      url: 'http://localhost:8545',
      accounts: { mnemonic },
    },
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
  solidity: {
    version: '0.8.18',
    settings: {
      optimizer: {
        enabled: true,
        runs: 800,
      },
      metadata: {
        // do not include the metadata hash, since this is machine dependent
        // and we want all generated code to be deterministic
        // https://docs.soliditylang.org/en/v0.7.6/metadata.html
        bytecodeHash: 'none',
      },
    },
  },
}