hardhat.config.ts

import "@nomicfoundation/hardhat-chai-matchers";
import "@nomiclabs/hardhat-ethers";
import "@nomiclabs/hardhat-etherscan";
import "@typechain/hardhat";
import "hardhat-contract-sizer";
import "hardhat-gas-reporter";
import "solidity-coverage";

import { HardhatUserConfig, task } from "hardhat/config";
import * as dotenv from "dotenv";

dotenv.config();

const NETWORK_GAS_PRICE: Partial<Record<string, number>> = {
    // "mainnet": ethers.utils.parseUnits("10", "gwei").toNumber(),
    // "sepolia": ethers.utils.parseUnits("10", "gwei").toNumber(),
};

const config: HardhatUserConfig = {
    solidity: {
        compilers: [
            {
                version: "0.8.16",
                settings: {
                    optimizer: {
                        enabled: true,
                        runs: 800,
                        details: {
                            yul: true,
                        },
                    },
                },
            },
            {
                version: "0.6.0",
            },
        ],
    },
    networks: {
        hardhat: {
            initialBaseFeePerGas: 0,
            chainId: 31337,
            blockGasLimit: 30000000,
            forking: {
                url: process.env.ETH_MAINNET_URL || "",
                // The Hardhat network will by default fork from the latest mainnet block
                // To pin the block number, specify it below
                // You will need access to a node with archival data for this to work!
                // blockNumber: 14743877,
                // If you want to do some forking, set `enabled` to true
                enabled: false,
            },
        },
        localhost: {
            url: "http://127.0.0.1:8545",
        },
        sepolia: {
            chainId: 11155111,
            url: process.env.ETH_SEPOLIA_URL || "",
            accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
            gasPrice: NETWORK_GAS_PRICE["sepolia"] || "auto",
        },
        main: {
            chainId: 1,
            url: process.env.ETH_MAINNET_URL || "",
            accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
            gasPrice: NETWORK_GAS_PRICE["mainnet"] || "auto",
        },
    },
    gasReporter: {
        enabled: process.env.REPORT_GAS !== undefined,
        currency: "USD",
    },
    contractSizer: {
        alphaSort: true,
        runOnCompile: true,
        disambiguatePaths: false,
        strict: true,
        only: [],
        except: [],
    },
    etherscan: {
        apiKey: {
            mainnet: process.env.ETHERSCAN_API_KEY || "",
            sepolia: process.env.ETHERSCAN_API_KEY || "",
        },
    },
};

export default config;