Mir Mohmmad Luqman

contract SampleDApp {
    mapping(address => uint256) public balances;

    function deposit() public payable {
        // @audit-issue: Missing access control?
        balances[msg.sender] += msg.value;
    }

    function withdraw(uint256 amount) public {
        // @audit-issue: Potential reentrancy!
        require(balances[msg.sender] >= amount, "Insufficient balance");
        (bool success,) = msg.sender.call{value: amount}("");
        require(success, "Transfer failed");
        balances[msg.sender] -= amount;
    }
}