cannot verify contract Lesson 9

[MuhammadLuqman-99]

verify.js

// we can't have these functions in our `helper-hardhat-config`
// since these use the hardhat library
// and it would be a circular dependency
const { run } = require("hardhat")

const verify = async (contractAddress, args) => {
    console.log("Verifying contract...")
    try {
        await run("verify:verify", {
            contract: "contracts/Lottery.sol:Lottery",
            address: contractAddress,
            constructorArguments: args,
        })
    } catch (e) {
        if (e.message.toLowerCase().includes("already verified")) {
            console.log("Already verified!")
        } else {
            console.log(e)
        }
    }
}

module.exports = {
    verify,
}

01-deploy-lottery.js

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

const VRF_SUB_FUND_AMOUNT = ethers.utils.parseEther("2")

module.exports = async function ({ getNamedAccounts, deployments }) {
    const { deploy, log } = deployments
    const { deployer } = await getNamedAccounts()
    const chainId = network.config.chainId
    let vrfcoodinatorV2Address

    if (developmentChains.includes(network.name)) {
        const VRFCoordinatorV2Mock = await ethers.getContract("VRFCoordinatorV2Mock")
        vrfcoodinatorV2Address = VRFCoordinatorV2Mock.address
        const transactionResponse = await VRFCoordinatorV2Mock.createSubscription()
        const transactionReceipt = await transactionResponse.wait(1)
        subscriptionId = transactionReceipt.events[0].args.subId
        // Fund the subscription
        // Usually, you will need link token on a real network
        VRFCoordinatorV2Mock.fundSubscription(subscriptionId, VRF_SUB_FUND_AMOUNT)
    } else {
        vrfcoodinatorV2Address = networkConfig[chainId]["vrfCoordinatorv2"]
        subscriptionId = networkConfig[chainId]["subscriptionId"]
    }

    const entraceFee = networkConfig[chainId]["entraceFee"]
    const gasLane = networkConfig[chainId]["gasLane"]
    const callbackGasLimit = networkConfig[chainId]["callbackGasLimit"]
    const interval = networkConfig[chainId]["interval"]

    const args = [
        vrfcoodinatorV2Address,
        entraceFee,
        gasLane,
        subscriptionId,
        callbackGasLimit,
        interval,
    ]
    const lottery = await deploy("Lottery", {
        from: deployer,
        args: args,
        log: true,
        waitConfirmation: network.config.blockConfirmations || 1,
    })

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

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

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

ERROR

Nothing to compile
reusing "Lottery" at 0x12bE477490CCEB6AEadAB542D37F8496332A71D0
Verifying...
Verifying contract...
NomicLabsHardhatPluginError: The constructorArguments parameter should be an array.
If your constructor has no arguments pass an empty array. E.g:

  await run("verify:verify", {
    <other args>,
    constructorArguments: []
  };
    at SimpleTaskDefinition.verifySubtask [as action] (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/@nomiclabs/hardhat-etherscan/src/index.ts:190:11)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at Environment._runTaskDefinition (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat/src/internal/core/runtime-environment.ts:219:14)
    at Environment.run (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat/src/internal/core/runtime-environment.ts:131:14)
    at verify (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/utils/verify.js:9:9)
    at Object.module.exports [as func] (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/deploy/01-deploy-lottery.js:50:5)
    at DeploymentsManager.executeDeployScripts (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat-deploy/src/DeploymentsManager.ts:1219:22)
    at DeploymentsManager.runDeploy (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat-deploy/src/DeploymentsManager.ts:1052:5)
    at SimpleTaskDefinition.action (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat-deploy/src/index.ts:438:5)
    at Environment._runTaskDefinition (/home/luqman/hh-fcc/hardhat-smartcontract-lottery-fcc/node_modules/hardhat/src/internal/core/runtime-environment.ts:219:14)
Enter lottery with command:
yarn hardhat run scripts/enterLottery.js --network rinkeby
----------------------------------------------------

[alymurtazamemon]

@MuhammadLuqman-99 await verify(lottery.address, arguments) here you should pass the args instead of arguments.

[MuhammadLuqman-99]

thanks!