Lesson 6: Brownie Fund Me - Fail in Compiling

[kelhkc]

FundMe.sol

// SPDX-License-Identifier: MIT

// Smart contract that lets anyone deposit ETH into the contract
// Only the owner of the contract can withdraw the ETH
pragma solidity ^0.6.6;

// Get the latest ETH/USD price from chainlink price feed
import "@chainlink/contracts/src/v0.6/interfaces/AggregatorV3Interface.sol";
import "@chainlink/contracts/src/v0.6/vendor/SafeMathChainlink.sol";

contract FundMe {
    // safe math library check uint256 for integer overflows
    using SafeMathChainlink for uint256;

    //mapping to store which address depositeded how much ETH
    mapping(address => uint256) public addressToAmountFunded;
    // array of addresses who deposited
    address[] public funders;
    //address of the owner (who deployed the contract)
    address public owner;

    // the first person to deploy the contract is
    // the owner
    constructor() public {
        owner = msg.sender;
    }

    function fund() public payable {
        // 18 digit number to be compared with donated amount
        uint256 minimumUSD = 50 * 10**18;
        //is the donated amount less than 50USD?
        require(
            getConversionRate(msg.value) >= minimumUSD,
            "You need to spend more ETH!"
        );
        //if not, add to mapping and funders array
        addressToAmountFunded[msg.sender] += msg.value;
        funders.push(msg.sender);
    }

    //function to get the version of the chainlink pricefeed
    function getVersion() public view returns (uint256) {
        AggregatorV3Interface priceFeed = AggregatorV3Interface(
            0x8A753747A1Fa494EC906cE90E9f37563A8AF630e
        );
        return priceFeed.version();
    }

    function getPrice() public view returns (uint256) {
        AggregatorV3Interface priceFeed = AggregatorV3Interface(
            0x8A753747A1Fa494EC906cE90E9f37563A8AF630e
        );
        (, int256 answer, , , ) = priceFeed.latestRoundData();
        // ETH/USD rate in 18 digit
        return uint256(answer * 10000000000);
    }

    // 1000000000
    function getConversionRate(uint256 ethAmount)
        public
        view
        returns (uint256)
    {
        uint256 ethPrice = getPrice();
        uint256 ethAmountInUsd = (ethPrice * ethAmount) / 1000000000000000000;
        // the actual ETH/USD conversation rate, after adjusting the extra 0s.
        return ethAmountInUsd;
    }

    //modifier: https://medium.com/coinmonks/solidity-tutorial-all-about-modifiers-a86cf81c14cb
    modifier onlyOwner() {
        //is the message sender owner of the contract?
        require(msg.sender == owner);

        _;
    }

    // onlyOwner modifer will first check the condition inside it
    // and
    // if true, withdraw function will be executed
    function withdraw() public payable onlyOwner {
        // If you are using version eight (v0.8) of chainlink aggregator interface,
        // you will need to change the code below to
        // payable(msg.sender).transfer(address(this).balance);
        msg.sender.transfer(address(this).balance);

        //iterate through all the mappings and make them 0
        //since all the deposited amount has been withdrawn
        for (
            uint256 funderIndex = 0;
            funderIndex < funders.length;
            funderIndex++
        ) {
            address funder = funders[funderIndex];
            addressToAmountFunded[funder] = 0;
        }
        //funders array will be initialized to 0
        funders = new address[](0);
    }
}

brownie-config.yaml

dependencies:
   # - <organisation/repo>@<version>
   - smartcontractkit/[email protected]
compiler:
  solc:
    remappings:
    - '@chainlink=smartcontractkit/[email protected]'

terminal:

XXX % brownie compile
Brownie v1.18.1 - Python development framework for Ethereum

Compiling contracts...
  Solc version: 0.6.12
  Optimizer: Enabled  Runs: 200
  EVM Version: Istanbul
CompilerError: solc returned the following errors:

contracts/FundMe.sol:8:1: ParserError: Source "@chainlink/contracts/src/v0.6/interfaces/AggregatorV3Interface.sol" not found: File outside of allowed directories.
import "@chainlink/contracts/src/v0.6/interfaces/AggregatorV3Interface.sol";
^--------------------------------------------------------------------------^

contracts/FundMe.sol:9:1: ParserError: Source "@chainlink/contracts/src/v0.6/vendor/SafeMathChainlink.sol" not found: File outside of allowed directories.
import "@chainlink/contracts/src/v0.6/vendor/SafeMathChainlink.sol";
^------------------------------------------------------------------^

[shashankvivek]

Can you check the spacing in the below code:

remappings:
- '@chainlink=smartcontractkit/[email protected]'

TAB is needed as below:

I do not see that in your code:

[RohanNero]

I am having the same issue, @kelhkc, did you ever figure it out?