fix: remove unnecessary get_msg_name and get_msg_type functions

[no changelog]

core/src/apps/thp/pairing.py

@@ -120,11 +120,7 @@ async def handle_pairing_request(
             await ctx.show_pairing_method_screen()
         except UnexpectedMessageException as e:
             raw_response = e.msg
-            name = message_handler.get_msg_name(raw_response.type)
-            if name is None:
             req_type = protobuf.type_for_wire(raw_response.type)
-            else:
-                req_type = protobuf.type_for_name(name)
             response = message_handler.wrap_protobuf_load(raw_response.data, req_type)
 
         if Cancel.is_type_of(response):

core/src/trezor/wire/message_handler.py

@@ -51,25 +51,6 @@ def wrap_protobuf_load(
             raise DataError("Failed to decode message")
 
 
-if utils.USE_THP:
-    from trezor.enums import ThpMessageType
-
-    def get_msg_name(msg_type: int) -> str | None:
-        for name in dir(ThpMessageType):
-            if not name.startswith("__"):  # Skip built-in attributes
-                value = getattr(ThpMessageType, name)
-                if isinstance(value, int):
-                    if value == msg_type:
-                        return name
-        return None
-
-    def get_msg_type(msg_name: str) -> int | None:
-        value = getattr(ThpMessageType, msg_name)
-        if isinstance(value, int):
-            return value
-        return None
-
-
 async def handle_single_message(ctx: Context, msg: Message) -> bool:
     """Handle a message that was loaded from a WireInterface by the caller.
 

core/src/trezor/wire/thp/memory_manager.py

@@ -4,7 +4,6 @@ from micropython import const
 from storage.cache_thp import SESSION_ID_LENGTH
 from trezor import protobuf, utils
 from trezor.wire.errors import WireBufferError
-from trezor.wire.message_handler import get_msg_type
 
 from . import ThpError
 from .writer import MAX_PAYLOAD_LEN, MESSAGE_TYPE_LENGTH
@@ -149,8 +148,6 @@ def encode_into_buffer(
 
     # cannot write message without wire type
     msg_type = msg.MESSAGE_WIRE_TYPE
-    if msg_type is None:
-        msg_type = get_msg_type(msg.MESSAGE_NAME)
     if msg_type is None:
         raise Exception("Message has no wire type.")
 

core/src/trezor/wire/thp/pairing_context.py

@@ -108,11 +108,8 @@ class PairingContext(Context):
             raise UnexpectedMessageException(message)
 
         if expected_type is None:
-            name = message_handler.get_msg_name(message.type)
-            if name is None:
             expected_type = protobuf.type_for_wire(message.type)
-            else:
-                expected_type = protobuf.type_for_name(name)
+            assert expected_type is not None
 
         return message_handler.wrap_protobuf_load(message.data, expected_type)
 
@@ -126,11 +123,6 @@ class PairingContext(Context):
         self, msg: protobuf.MessageType, expected_type: type[protobuf.MessageType]
     ) -> protobuf.MessageType:
         expected_wire_type = expected_type.MESSAGE_WIRE_TYPE
-        if expected_wire_type is None:
-            expected_wire_type = message_handler.get_msg_type(
-                expected_type.MESSAGE_NAME
-            )
-
         assert expected_wire_type is not None
 
         await self.write(msg)
@@ -271,11 +263,13 @@ async def handle_message(
     try:
         # Find a protobuf.MessageType subclass that describes this
         # message.  Raises if the type is not found.
-        name = message_handler.get_msg_name(msg.type)
-        if name is None:
         req_type = protobuf.type_for_wire(msg.type)
-        else:
-            req_type = protobuf.type_for_name(name)
+
+        # name = message_handler.get_msg_name(msg.type)
+        # if name is None:
+        #     req_type = protobuf.type_for_wire(msg.type)
+        # else:
+        #     req_type = protobuf.type_for_name(name)
 
         # Try to decode the message according to schema from
         # `req_type`. Raises if the message is malformed.