update type in state_db

Author: enitrat

src/ethereum_optimized/state_db.py

@@ -125,7 +125,7 @@ def close_state(state: State) -> None:
         del state.created_accounts
 
     @add_item(patches)
-    def get_metadata(state: State, key: Bytes) -> Optional[Bytes]:
+    def get_metadata(state: State, key: Bytes32) -> Optional[Bytes]:
         """Get a piece of metadata"""
         return state.db.get_metadata(key)
 
@@ -345,7 +345,7 @@ def get_storage(state: State, address: Address, key: Bytes32) -> U256:
 
     @add_item(patches)
     def get_storage_original(
-        state: State, address: Address, key: Bytes
+        state: State, address: Address, key: Bytes32
     ) -> U256:
         """
         See `state`.