The code is from freecodecamp.org, and a solidity tutorial from Youtube and theirs worked, but unfortunately mine throws this error:
Address must be type "payable"
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.6 <0.9.0;
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
contract FundMe {
mapping(address => uint256) public addressToAmountFunded;
address public owner;
constructor() {
owner = msg.sender;
}
function fund() public payable {
uint256 minimumUSD = 50 * 10 ** 18;//=Gwei
require(getConversionRate(msg.value) >= minimumUSD,"You need to send more Eth");
addressToAmountFunded[msg.sender] += msg.value;
}
function getVersion() public view returns (uint256){
AggregatorV3Interface priceFeed = AggregatorV3Interface(0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e);
return priceFeed.version();
}
function getPrice() public view returns (uint256){
AggregatorV3Interface priceFeed = AggregatorV3Interface(0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e);
(,int256 answer,,,)=priceFeed.latestRoundData();
return uint256(answer * 10000000000);
}
//10000000000 = Gwei which is why we added 10 zeros to getPrice(answer) to convert it to Wei amount
function getConversionRate(uint256 ethAmount) public view returns (uint256){
uint256 ethPrice = getPrice();
uint256 ethAmountInUsd = (ethPrice * ethAmount)/ 1000000000000000000; //divide 2x because we added 10*((getPrice)answer))
return ethAmountInUsd;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function withdraw() payable public {
msg.sender.transfer( address (this).balance);
}
}
