Hardhat Fundme Verification Error.

[Abhisek0x]

After Deploying the Contract,I am having issues while Verifying the contracts using Ether Scan API KEY.

Error

 Deploying FundMe and waiting for confirmations...
reusing "Fundme" at 0xca899e3290A1897A9807B3A0ADB4c6a4E1C84149
FundMe deployed at 0xca899e3290A1897A9807B3A0ADB4c6a4E1C84149
Verifying contract...
Nothing to compile
[Error: ENOENT: no such file or directory, open 'C:\Users\AY\Desktop\Fundme\artifacts\build-info\ac05d1fbd42622e7a2d04600ed08f1ba.json'] {
  errno: -4058,
  code: 'ENOENT',
  syscall: 'open',
  path: 'C:\\Users\\AY\\Desktop\\Fundme\\artifacts\\build-info\\ac05d1fbd42622e7a2d04600ed08f1ba.json'
}
Done in 8.47s.

Contract Code:

// SPDX-License-Identifier: MIT

//Contract

pragma solidity ^0.8.0;

import "./PriceConverter.sol";

contract Fundme {
    using PriceConverter for uint256;

    uint256 public constant MIN_USD = 50 * 1e18;
    AggregatorV3Interface public priceFeed;
    address[] public funders;
    mapping(address => uint256) addressToFunds;
    mapping(address => bool) addressToAdded;
    address public immutable i_owner; //i_owner because it's immutable //it saves gas

    constructor(address priceFeedAddress) {
        i_owner = msg.sender;
        priceFeed = AggregatorV3Interface(priceFeedAddress);
    }

    modifier onlyOwner() {
        require(msg.sender == i_owner, "Sender is not owner");
        _;
    }

    function fund() public payable {
        require(
            msg.value.getConversionRate(priceFeed) >= MIN_USD,
            "Not enough USD Sent"
        );
        if (!addressToAdded[msg.sender]) {
            funders.push(msg.sender);
        }
        addressToFunds[msg.sender] = msg.value;
        addressToAdded[msg.sender] = true;
    }

    function withdraw() public onlyOwner {
        for (uint256 i = 0; i < funders.length; i++) {
            address funder = funders[i];
            addressToFunds[funder] = 0;
        }

        //resetting the array
        funders = new address[](0);

        //Three Different ways to withdraw funds
        //transfer,send and call

        // payable(msg.sender).transfer(address(this).balance);

        (bool callSuccess, ) = payable(msg.sender).call{
            value: address(this).balance
        }("");
        require(callSuccess, "call failed");
    }

    receive() external payable {
        fund();
    }

    fallback() external payable {
        fund();
    }
}

Verify Script

const { run } = require("hardhat");

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

module.exports = { verify };

[javierdash]

Hello!
As far as I can see, the contract and the script to verify are fine.
And the error says that it does not find the artifact.
Try again to compile it with: yarn hardhat compile
And then deploy it.
And please let us know if it is solved :)
Regards

[Abhisek0x]

I don't think there is any error with the compilation, I tried verifying directly using Etherscan too but its not working. And you can see in the error there is "nothing to compile".
Another thing is that here we are verifying the Fundme Contract,so do I need to verify the Price Converter Contract before this,as fundme is importing Price Converter??

EDIT:

ETHERSCAN VERIFY ERROR

[PatrickAlphaC]

rm -r artifacts
rm -r cache

and try again. Sometimes the cache is funky.

[0xwurzel]

Thanks Patrick - as you mention somewhere in your video, you can also do this:

yarn hardhat clean

which worked for me