hardhat.config.js

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
require("@nomiclabs/hardhat-waffle")
require("@nomiclabs/hardhat-ethers")
require("@nomiclabs/hardhat-truffle5")
require("@nomiclabs/hardhat-etherscan")
require("@nomiclabs/hardhat-solhint")
require("hardhat-deploy")
require("./tasks/accounts")
require("./tasks/balance")
require("./tasks/withdraw-link")
require("./tasks/block-number")
// require("./tasks/dungeons-dragons")
require("@appliedblockchain/chainlink-plugins-fund-link")

require('dotenv').config()

const MAINNET_RPC_URL = process.env.MAINNET_RPC_URL || process.env.ALCHEMY_MAINNET_RPC_URL || "https://eth-mainnet.alchemyapi.io/v2/your-api-key"
const RINKEBY_RPC_URL = process.env.RINKEBY_RPC_URL || "https://eth-rinkeby.alchemyapi.io/v2/your-api-key"
const KOVAN_RPC_URL = process.env.KOVAN_RPC_URL || "https://eth-kovan.alchemyapi.io/v2/your-api-key"
const MUMBAI_RPC_URL = process.env.MUMBAI_RPC_URL || "https://polygon-mumbai.alchemyapi.io/v2/your-api-key"
const POLYGON_MAINNET_RPC_URL = process.env.POLYGON_MAINNET_RPC_URL || "https://polygon-mainnet.alchemyapi.io/v2/your-api-key"
const MNEMONIC = process.env.MNEMONIC || "your mnemonic"
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "Your etherscan API key"
// optional
const PRIVATE_KEY = process.env.PRIVATE_KEY || "your private key"

module.exports = {
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            // // If you want to do some forking, uncomment this
            forking: {
              url: MAINNET_RPC_URL,
              blockNumber: 22017870
            },
            accounts: {
                mnemonic: MNEMONIC,
            },
        },
        localhost: {
        },
        kovan: {
            url: KOVAN_RPC_URL,
             accounts: [PRIVATE_KEY],
            //accounts: {
           //     mnemonic: MNEMONIC,
           // },
            saveDeployments: true,
        },
        rinkeby: {
            url: RINKEBY_RPC_URL,
            // accounts: [PRIVATE_KEY],
            accounts: {
                mnemonic: MNEMONIC,
            },
            saveDeployments: true,
        },
        ganache: {
            url: 'http://localhost:8545',
            accounts: {
                mnemonic: MNEMONIC,
            }
        },
        mainnet: {
            url: MAINNET_RPC_URL,
            // accounts: [PRIVATE_KEY],
            accounts: {
                mnemonic: MNEMONIC,
            },
            saveDeployments: true,
        },
        mumbai: {
            url: MUMBAI_RPC_URL,
            accounts: [PRIVATE_KEY],
            saveDeployments: true,
        },
        polygon: {
            url: POLYGON_MAINNET_RPC_URL,
            accounts: [PRIVATE_KEY],
            saveDeployments: true,
        },
    },
    etherscan: {
        // Your API key for Etherscan
        // Obtain one at https://etherscan.io/
        apiKey: ETHERSCAN_API_KEY
    },
    namedAccounts: {
        deployer: {
            default: 0, // here this will by default take the first account as deployer
            1: 0 // similarly on mainnet it will take the first account as deployer. Note though that depending on how hardhat network are configured, the account 0 on one network can be different than on another
        },
        feeCollector: {
            default: 1
        }
    },
    solidity: {
        compilers: [
            {
                version: "0.8.7"
            },
            {
                version: "0.7.0"
            },
            {
                version: "0.6.12"
            },
            {
                version: "0.6.6"
            },
            {
                version: "0.4.24"
            }
        ]
    },
    paths: {
        sources: "./contracts",
        tests: "./contracts/test",
     },
    mocha: {
        timeout: 100000,
    }
}