SYN-103: Ignore the 'origin' key in received EDUs. Instead take the origin from the transaction itself

synapse/federation/replication.py

@@ -319,7 +319,7 @@ class ReplicationLayer(object):
 
         if hasattr(transaction, "edus"):
             for edu in [Edu(**x) for x in transaction.edus]:
-                self.received_edu(edu.origin, edu.edu_type, edu.content)
+                self.received_edu(transaction.origin, edu.edu_type, edu.content)
 
         results = yield defer.DeferredList(dl)
 

synapse/federation/units.py

@@ -156,11 +156,15 @@ class Edu(JsonEncodedObject):
     ]
 
     required_keys = [
-        "origin",
-        "destination",
         "edu_type",
     ]
 
+#    TODO: SYN-103: Remove "origin" and "destination" keys.
+#    internal_keys = [
+#        "origin",
+#        "destination",
+#    ]
+
 
 class Transaction(JsonEncodedObject):
     """ A transaction is a list of Pdus and Edus to be sent to a remote home