feat: Add way to pull handler out of protocol registry

Signed-off-by: Colton Wolkins (Laptop) <[email protected]>

Author: TheTechmage

acapy_agent/core/dispatcher.py

@@ -253,7 +253,10 @@ async def make_v2_message(self, profile: Profile, parsed_msg: dict) -> BaseMessa
             raise MessageParseError(f"Unrecognized message type {message_type}")
 
         try:
-            instance = message_cls[0] #message_cls.deserialize(parsed_msg)
+            #instance = message_cls[0] #message_cls.deserialize(parsed_msg)
+            instance = registry.handlers[message_cls[0]]
+            if isinstance(instance, DeferLoad):
+                instance = message_cls.resolved
         except BaseModelError as e:
             if "/problem-report" in message_type:
                 raise ProblemReportParseError("Error parsing problem report message")

acapy_agent/didcomm_v2/protocol_registry.py

@@ -10,6 +10,11 @@ def __init__(self):
         """Initialize a V2ProtocolRegistry instance."""
         self._type_to_message_handler: Dict[str, Coroutine] = {}
 
+    @property
+    def handlers(self) -> Dict[str, Coroutine]:
+        """Accessor for a list of all message protocols."""
+        return self._type_to_message_handler
+
     @property
     def protocols(self) -> Sequence[str]:
         """Accessor for a list of all message protocols."""