a simple Deposit Contract.

gistfile1.txt

/ SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

contract Deposit {
  // this maps the balance to the address of the depositor

    mapping(address => uint256) public balances;

    function deposit() external payable {

        require(msg.value > 0, "Amount Deposited must be greater than 0");

        balances[msg.sender] += msg.value;
    }
}