fixup! refactor(core): abstract cache and context [no changelog]

core/src/trezor/wire/codec/codec_context.py

@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, Awaitable, Container, overload
+from typing import TYPE_CHECKING, Awaitable, Container
 
 from storage import cache_codec
 from storage.cache_common import DataCache, InvalidSessionError
@@ -27,7 +27,6 @@ class CodecContext(Context):
         iface: WireInterface,
         buffer: bytearray,
     ) -> None:
-        self.iface = iface
         self.buffer = buffer
         super().__init__(iface)
 
@@ -35,20 +34,6 @@ class CodecContext(Context):
         """Read a whole message from the wire without parsing it."""
         return codec_v1.read_message(self.iface, self.buffer)
 
-    if TYPE_CHECKING:
-
-        @overload
-        async def read(
-            self, expected_types: Container[int]
-        ) -> protobuf.MessageType: ...
-
-        @overload
-        async def read(
-            self, expected_types: Container[int], expected_type: type[LoadedMessageType]
-        ) -> LoadedMessageType: ...
-
-    reading: bool = False
-
     async def read(
         self,
         expected_types: Container[int],

core/src/trezor/wire/message_handler.py

@@ -26,7 +26,7 @@ def wrap_protobuf_load(
     expected_type: type[LoadedMessageType],
 ) -> LoadedMessageType:
     try:
-        if __debug__:
+        if __debug__ and utils.EMULATOR:
             log.debug(
                 __name__,
                 "Buffer to be parsed to a LoadedMessage: %s",

core/src/trezor/wire/protocol_common.py

@@ -22,9 +22,6 @@ class Message:
         self.data = message_data
         self.type = message_type
 
-    def to_bytes(self) -> bytes:
-        return self.type.to_bytes(2, "big") + self.data
-
 
 class Context:
     channel_id: bytes