PR #17 make transient tstore and tload internal

make tload and tstore internal functions

Author: mmsaki

src/utils/TransientStorage.sol

@@ -8,7 +8,7 @@ contract TransientStorage {
 
   /// Load a value from the transient storage.
   /// @param key The key to store or retrieve the value.
-  function tload(bytes32 key) public view returns (bytes32 value) {
+  function tload(bytes32 key) internal view returns (bytes32 value) {
     assembly ("memory-safe") {
       value := tload(key)
     }
@@ -17,7 +17,7 @@ contract TransientStorage {
   /// Store a value in the transient storage.
   /// @param key The key to store or retrieve the value.
   /// @param value The value to store in the transient storage.
-  function tstore(bytes32 key, bytes32 value) public {
+  function tstore(bytes32 key, bytes32 value) internal {
     assembly ("memory-safe") {
       tstore(key, value)
     }