Add endpoints for backfilling history (MSC2716) (#9247)

Work on https://github.com/matrix-org/matrix-doc/pull/2716

tests/handlers/test_presence.py

@@ -863,7 +863,9 @@ class PresenceJoinTestCase(unittest.HomeserverTestCase):
             self.store.get_latest_event_ids_in_room(room_id)
         )
 
-        event = self.get_success(builder.build(prev_event_ids, None))
+        event = self.get_success(
+            builder.build(prev_event_ids=prev_event_ids, auth_event_ids=None)
+        )
 
         self.get_success(self.federation_handler.on_receive_pdu(hostname, event))
 

tests/replication/test_federation_sender_shard.py

@@ -224,7 +224,9 @@ class FederationSenderTestCase(BaseMultiWorkerStreamTestCase):
         }
 
         builder = factory.for_room_version(room_version, event_dict)
-        join_event = self.get_success(builder.build(prev_event_ids, None))
+        join_event = self.get_success(
+            builder.build(prev_event_ids=prev_event_ids, auth_event_ids=None)
+        )
 
         self.get_success(federation.on_send_join_request(remote_server, join_event))
         self.replicate()

tests/storage/test_redaction.py

@@ -232,9 +232,14 @@ class RedactionTestCase(unittest.HomeserverTestCase):
                 self._base_builder = base_builder
                 self._event_id = event_id
 
-            async def build(self, prev_event_ids, auth_event_ids):
+            async def build(
+                self,
+                prev_event_ids,
+                auth_event_ids,
+                depth: Optional[int] = None,
+            ):
                 built_event = await self._base_builder.build(
-                    prev_event_ids, auth_event_ids
+                    prev_event_ids=prev_event_ids, auth_event_ids=auth_event_ids
                 )
 
                 built_event._event_id = self._event_id
@@ -251,6 +256,10 @@ class RedactionTestCase(unittest.HomeserverTestCase):
             def type(self):
                 return self._base_builder.type
 
+            @property
+            def internal_metadata(self):
+                return self._base_builder.internal_metadata
+
         event_1, context_1 = self.get_success(
             self.event_creation_handler.create_new_client_event(
                 EventIdManglingBuilder(