Added a contract that can prevent re-entrancy

contracts/interfaces/INoReEntrancy.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+/**
+ * @title Pausable
+ * @notice This contract provides a mechanism to halt the execution of specific functions
+ * if a pause condition is activated.
+ */
+interface INoReEntrancy {
+    error ReEntrancy();
+}

contracts/utils/NoReEntrancy.sol

@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import { INoReEntrancy } from '../interfaces/INoReEntrancy.sol';
+
+/**
+ * @title Pausable
+ * @notice This contract provides a mechanism to halt the execution of specific functions
+ * if a pause condition is activated.
+ */
+contract NoReEntrancy is INoReEntrancy {
+    // uint256(keccak256('entered')) - 1
+    uint256 internal constant ENTERED_SLOT = 0x01f33dd720a8dea3c4220dc5074a2239fb442c4c775306a696f97a7c54f785fc;
+
+    /**
+     * @notice A modifier that throws a Paused custom error if the contract is paused
+     * @dev This modifier should be used with functions that can be paused
+     */
+    modifier noReEntrancy() {
+        if (_hasEntered()) revert ReEntrancy();
+        _setEntered(true);
+        _;
+        _setEntered(false);
+    }
+
+    /**
+     * @notice Check if the contract is already executing.
+     * @return entered A boolean representing the entered status. True if already executing, false otherwise.
+     */
+    function _hasEntered() internal view returns (bool entered) {
+        assembly {
+            entered := sload(ENTERED_SLOT)
+        }
+    }
+
+    /**
+     * @notice Sets the entered status of the contract
+     * @param entered A boolean representing the entered status. True if already executing, false otherwise.
+     */
+    function _setEntered(bool entered) internal {
+        assembly {
+            sstore(ENTERED_SLOT, entered)
+        }
+    }
+}