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contracts...FundMe.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17; // Hi I'am new to Solidity
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";

contract FundMe{
    uint256 public minimumUsd = 10 * 1e18;
    address[] public addressesFunders;
    mapping(address => uint256) public addressesToAmountFunded;
    AggregatorV3Interface priceFeed;

    constructor() {
        priceFeed = AggregatorV3Interface(0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e);
    }

    function fund() public payable {
        require( getConversionRate(msg.value) > minimumUsd, "didn't send enough");
        addressesFunders.push(msg.sender);
        addressesToAmountFunded[msg.sender] = msg.value;
    }

    function getPrice() public view returns(uint256) {
        (,int price,,,) = priceFeed.latestRoundData();
        // ETH in terms of USD
        // price feed has 8 decimals
        return uint256(price * 1e10);
    }

    function getConversionRate(uint256 _valueSent) public view returns (uint256){
        uint256 priceEthInUsd = getPrice();
        return (priceEthInUsd * _valueSent / 1e18);

    }

    function getVersion() public view returns(uint256) {
        // ETHUSD Price Feed Address = 0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e
        return priceFeed.version();
    }
}