Merge pull request #4470 from matrix-org/erikj/require_format_version

Require event format version to parse or create events

1 files changed, 2 insertions, 6 deletions

diff --git a/synapse/storage/events_worker.py b/synapse/storage/events_worker.py

index 599f892858..0a0ca58fc4 100644
--- a/synapse/storage/events_worker.py
+++ b/synapse/storage/events_worker.py
@@ -23,7 +23,7 @@ from twisted.internet import defer
 
 from synapse.api.constants import EventFormatVersions
 from synapse.api.errors import NotFoundError
-from synapse.events import FrozenEvent
+from synapse.events import FrozenEvent, event_type_from_format_version  # noqa: F401
 # these are only included to make the type annotations work
 from synapse.events.snapshot import EventContext  # noqa: F401
 from synapse.events.utils import prune_event
@@ -412,11 +412,7 @@ class EventsWorkerStore(SQLBaseStore):
                 # of a event format version, so it must be a V1 event.
                 format_version = EventFormatVersions.V1
 
-            # TODO: When we implement new event formats we'll need to use a
-            # different event python type
-            assert format_version == EventFormatVersions.V1
-
-            original_ev = FrozenEvent(
+            original_ev = event_type_from_format_version(format_version)(
                 event_dict=d,
                 internal_metadata_dict=internal_metadata,
                 rejected_reason=rejected_reason,