chore(core): remove unused session_id from codec_v1

[no changelog]

core/src/apps/debug/__init__.py

@@ -360,7 +360,7 @@ if __debug__:
 
         global DEBUG_CONTEXT
 
-        DEBUG_CONTEXT = ctx = context.Context(iface, 0, WIRE_BUFFER_DEBUG)
+        DEBUG_CONTEXT = ctx = context.Context(iface, WIRE_BUFFER_DEBUG)
 
         if storage.layout_watcher:
             try:
@@ -385,9 +385,8 @@ if __debug__:
                     msg_type = f"{msg.type} - unknown message type"
                 log.debug(
                     __name__,
-                    "%s:%x receive: <%s>",
+                    "%d receive: <%s>",
                     ctx.iface.iface_num(),
-                    ctx.sid,
                     msg_type,
                 )
 

core/src/trezor/wire/__init__.py

@@ -56,7 +56,7 @@ EXPERIMENTAL_ENABLED = False
 
 def setup(iface: WireInterface) -> None:
     """Initialize the wire stack on passed USB interface."""
-    loop.schedule(handle_session(iface, codec_v1.SESSION_ID))
+    loop.schedule(handle_session(iface))
 
 
 def wrap_protobuf_load(
@@ -109,9 +109,8 @@ async def _handle_single_message(ctx: context.Context, msg: codec_v1.Message) ->
             msg_type = f"{msg.type} - unknown message type"
         log.debug(
             __name__,
-            "%s:%x receive: <%s>",
+            "%d receive: <%s>",
             ctx.iface.iface_num(),
-            ctx.sid,
             msg_type,
         )
 
@@ -190,8 +189,8 @@ async def _handle_single_message(ctx: context.Context, msg: codec_v1.Message) ->
     return msg.type in AVOID_RESTARTING_FOR
 
 
-async def handle_session(iface: WireInterface, session_id: int) -> None:
+async def handle_session(iface: WireInterface) -> None:
-    ctx = context.Context(iface, session_id, WIRE_BUFFER)
+    ctx = context.Context(iface, WIRE_BUFFER)
     next_msg: codec_v1.Message | None = None
 
     # Take a mark of modules that are imported at this point, so we can

core/src/trezor/wire/codec_v1.py

@@ -15,8 +15,6 @@ _REP_INIT = ">BBBHL"  # marker, magic, magic, wire type, data length
 _REP_INIT_DATA = const(9)  # offset of data in the initial report
 _REP_CONT_DATA = const(1)  # offset of data in the continuation report
 
-SESSION_ID = const(0)
-
 
 class CodecError(Exception):
     pass

core/src/trezor/wire/context.py

@@ -60,9 +60,8 @@ class Context:
     (i.e., wire, debug, single BT connection, etc.)
     """
 
-    def __init__(self, iface: WireInterface, sid: int, buffer: bytearray) -> None:
+    def __init__(self, iface: WireInterface, buffer: bytearray) -> None:
         self.iface = iface
-        self.sid = sid
         self.buffer = buffer
 
     def read_from_wire(self) -> Awaitable[codec_v1.Message]:
@@ -95,9 +94,8 @@ class Context:
         if __debug__:
             log.debug(
                 __name__,
-                "%s:%x expect: %s",
+                "%d expect: %s",
                 self.iface.iface_num(),
-                self.sid,
                 expected_type.MESSAGE_NAME if expected_type else expected_types,
             )
 
@@ -115,9 +113,8 @@ class Context:
         if __debug__:
             log.debug(
                 __name__,
-                "%s:%x read: %s",
+                "%d read: %s",
                 self.iface.iface_num(),
-                self.sid,
                 expected_type.MESSAGE_NAME,
             )
 
@@ -131,9 +128,8 @@ class Context:
         if __debug__:
             log.debug(
                 __name__,
-                "%s:%x write: %s",
+                "%d write: %s",
                 self.iface.iface_num(),
-                self.sid,
                 msg.MESSAGE_NAME,
             )