hardhat.config.ts

// Copyright 2026 Circle Internet Group, Inc. All rights reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

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

import './tests/helpers/matchers/plugin'
import './scripts/hardhat/tasks/genesis'
import './scripts/hardhat/tasks/query-state'
import './scripts/hardhat/tasks/query-fee'

const defaultAccounts = [
  // Standard development accounts used by Reth --dev, Hardhat, and Anvil
  // These match the accounts available when running: cargo run -- node --dev
  '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80', // 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
  '0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d', // 0x70997970C51812dc3A010C7d01b50e0d17dc79C8
  '0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a', // 0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC
  '0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6', // 0x90F79bf6EB2c4f870365E785982E1f101E93b906
  '0x47e179ec197488593b187f80a00eb0da91f1b9d0b13f8733639f19c30a34926a', // 0x15d34AAf54267DB7D7c367839AAf71A00a2C6A65
  '0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba', // 0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
  '0x92db14e403b83dfe3df233f83dfa3a0d7096f21ca9b0d6d6b8d88b2b4ec1564e', // 0x976EA74026E726554dB657fA54763abd0C3a0aa9
  '0x4bbbf85ce3377467afe5d46f804f221813b2bb87f24d81f60f1fcdbf7cbf4356', // 0x14dC79964da2C08b23698B3D3cc7Ca32193d9955
  '0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97', // 0x23618e81E3f5cdF7f54C3d65f7FBc0aBf5B21E8f
  '0x2a871d0798f97d79848a013d4936a73bf4cc922c825d33c1cf7073dff6d409c6', // 0xa0Ee7A142d267C1f36714E4a8F75612F20a79720
]

const localdevUrl = process.env.LOCALDEV_RPC_URL ?? 'http://localhost:8545'

const config: HardhatUserConfig = {
  solidity: {
    version: '0.8.29',
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
      evmVersion: 'prague',
    },
  },
  defaultNetwork: 'localdev',
  networks: {
    localdev: {
      url: localdevUrl,
      chainId: 1337, // Adjust based on your Arc Chain configuration
      accounts: defaultAccounts,
    },
    devnet: {
      url: process.env.ARC_DEVNET_RPC_URL ?? '',
      chainId: 5042001,
    },
    testnet: {
      url: process.env.ARC_TESTNET_RPC_URL ?? '',
      chainId: 5042002,
    },
  },
  gasReporter: {
    enabled: false,
    currency: 'USD',
    gasPrice: 20,
  },
  mocha: {
    timeout: 20000,
  },
  paths: {
    sources: './contracts/src',
    tests: './tests',
    artifacts: './contracts/out/hardhat',
    cache: './contracts/cache/hardhat',
  },
}

export default config