Lesson 9: Error when deploying contracts

[ralph27]

I'm following lesson 9, and i reached the point where we're deploying the raffle and the mock contract.

This is the mock deploy file:

const { getNamedAccounts, deployments, network, ethers } = require("hardhat")

const BASE_FEE = "250000000000000000"
const GAS_PRICE_LINK = 1e9 

module.exports = async ({ getNamedAccounts, deployments }) => {
    
    const { deploy, log } = deployments
    const { deployer } = await getNamedAccounts()
    const chainId = network.config.chainId
    if (chainId == 31337) {
        log("Local network detected! Deploying mocks...")
        await deploy("VRFCoordinatorV2Mock", {
            from: deployer,
            log: true,
            args: [BASE_FEE, GAS_PRICE_LINK],
        })

        log("Mocks Deployed!")
        log("----------------------------------------------------------")
        log("You are deploying to a local network, you'll need a local network running to interact")
        log(
            "Please run `yarn hardhat console --network localhost` to interact with the deployed smart contracts!"
        )
        log("----------------------------------------------------------")
    }
}
module.exports.tags = ["all", "mocks"]

And this is the raffle deploy file:

const { network } = require("hardhat")
const {
    networkConfig,
    developmentChains,
    VERIFICATION_BLOCK_CONFIRMATIONS,
} = require("../helper-hardhat-config")
const { verify } = require("../utils/verify")

const FUND_AMOUNT = "1000000000000000000000"

module.exports = async ({ getNamedAccounts, deployments }) => {
   
    const { deploy, log } = deployments
    const { deployer } = await getNamedAccounts()
    const chainId = network.config.chainId
    let vrfCoordinatorV2Address, subscriptionId
    if (chainId == 31337) {
        // create VRFV2 Subscription
        const vrfCoordinatorV2Mock = await ethers.getContract("VRFCoordinatorV2Mock")
        vrfCoordinatorV2Address = vrfCoordinatorV2Mock.address
        const transactionResponse = await vrfCoordinatorV2Mock.createSubscription()
        const transactionReceipt = await transactionResponse.wait()
        subscriptionId = transactionReceipt.events[0].args.subId
        // Fund the subscription
        // Our mock makes it so we don't actually have to worry about sending fund
        await vrfCoordinatorV2Mock.fundSubscription(subscriptionId, FUND_AMOUNT)
    } else {
        vrfCoordinatorV2Address = networkConfig[chainId]["vrfCoordinatorV2"]
        subscriptionId = networkConfig[chainId]["subscriptionId"]
    }
    const waitBlockConfirmations = developmentChains.includes(network.name)
        ? 1
        : VERIFICATION_BLOCK_CONFIRMATIONS

    log("----------------------------------------------------")
    const arguments = [
        vrfCoordinatorV2Address,
        subscriptionId,
        networkConfig[chainId]["gasLane"],
        networkConfig[chainId]["keepersUpdateInterval"],
        networkConfig[chainId]["raffleEntranceFee"],
        networkConfig[chainId]["callbackGasLimit"],
    ]
    const raffle = await deploy("Raffle", {
        from: deployer,
        args: arguments,
        log: true,
        waitConfirmations: waitBlockConfirmations,
    })

    // Verify the deployment
    if (!developmentChains.includes(network.name) && process.env.ETHERSCAN_API_KEY) {
        log("Verifying...")
        await verify(raffle.address, arguments)
    }

    log("Enter lottery with command:")
    const networkName = network.name == "hardhat" ? "localhost" : network.name
    log(`yarn hardhat run scripts/enterRaffle.js --network ${networkName}`)
    log("----------------------------------------------------")
}

module.exports.tags = ["all", "raffle"]

I run npx hardhat deploy and I keep getting this error:

Here's the github repo: https://github.com/ralph27/Hardhat-Raffle

[adityabhattad2021]

You are getting this error because you are missing an important hardhat dependency "hardhat-waffle"
try

npm install --save-dev @nomiclabs/hardhat-waffle

and in hardhat.config.js add

require("@nomiclabs/hardhat-waffle");

This should work!

[ralph27]

thanks it worked

[adityabhattad2021]

Glad that I could help 🙂.

[krakxn]

The issue lies in const { verify } = require("../utils/verify").

You sure the path or the path name utils is correct? Please check this.