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("hardhat-deploy")
 require("./tasks/accounts")
 require("./tasks/balance")
 require("./tasks/fund-link")
 require("./tasks/withdraw-link")
 require("./tasks/block-number")
 require("./tasks/block-number")
 require("./tasks/random-number-consumer")
 require("./tasks/price-consumer")
 require("./tasks/api-consumer")
 require("./tasks/get-number")
 require('solidity-coverage')
  
  
 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 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
            }
        },
        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,
             }
         }
     },
     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: "0.6.6"
             },
             {
                 version: "0.4.24"
             }
         ]
     },
     mocha: {
         timeout: 100000
     }
}