ajoh.sol

/**

Write a   contract that deposit fund into a contract. 
And also keep track of funds transferred into the contract. 
Add a function to the balance of address that have deposited 
into the contract.(Submit Github gist)

*/

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Ajoh {

    mapping (address => uint256) private amountTracker;

    function depositFund() external payable {
        amountTracker[msg.sender] += msg.value;
    }

    function queryBalance() public view returns(uint256) {
        return amountTracker[msg.sender];
    }

    receive() payable external{}   

}