OZ Contract added

tests/contract-playground/src/ContractLocksEther.sol

@@ -208,3 +208,39 @@ contract CanWithdrawChild is CanWithdrawParent {
         emit Deposited(msg.sender, msg.value);
     }
 }
+
+import "../lib/openzeppelin-contracts/contracts/utils/Address.sol";
+
+// GOOD
+contract CanWithdrawOZ {
+    using Address for address payable;
+
+    // Event to log deposits
+    event Deposited(address indexed sender, uint256 indexed amount);
+
+    // Event to log transfers
+    event Transferred(address indexed to, uint256 indexed amount);
+
+    // Public payable function to receive Ether
+    receive() external payable {
+        emit Deposited(msg.sender, msg.value);
+    }
+
+    // Public payable fallback function to handle any data sent with Ether
+    fallback() external payable {
+        emit Deposited(msg.sender, msg.value);
+    }
+
+    // Internal function to send Ether to a given address
+    function _sendEther(address payable recipient, uint256 amount) internal {
+        require(address(this).balance >= amount, "Insufficient balance");
+        require(recipient != address(0), "Invalid recipient");
+        recipient.sendValue(amount);
+        emit Transferred(recipient, amount);
+    }
+
+    // This function allows for the withdrawal of eth. Hence this contract is a GOOD contract.
+    function takeEthBack(uint256 amount) external {
+        _sendEther(payable(msg.sender), amount);
+    }
+}