fix(fw): include type in request hash preimage

Author: pdobacz

src/ethereum_test_types/types.py

@@ -1248,12 +1248,17 @@ def __init__(
     ):
         """
         Initializes the requests object.
+
+        If `requests_lists` is given as argument, assumes they are sorted by request type
+        ascending, starting from 0.
         """
         if requests_lists is not None:
             assert len(requests) == 0, "requests must be empty if list is provided"
             self.requests_list = []
-            for requests_list in requests_lists:
-                self.requests_list.append(requests_list_to_bytes(requests_list))
+            for type, requests_list in enumerate(requests_lists):
+                self.requests_list.append(
+                    Bytes(bytes([type]) + requests_list_to_bytes(requests_list))
+                )
             return
         else:
             lists: Dict[int, List[RequestBase]] = defaultdict(list)