diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 502a917588..982f134148 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -458,6 +458,9 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet):
"state_key": state_event["state_key"],
}
+ # Mark all events as historical
+ event_dict["content"][EventContentFields.MSC2716_HISTORICAL] = True
+
# Make the state events float off on their own
fake_prev_event_id = "$" + random_string(43)
@@ -562,7 +565,10 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet):
"type": EventTypes.MSC2716_CHUNK,
"sender": requester.user.to_string(),
"room_id": room_id,
- "content": {EventContentFields.MSC2716_CHUNK_ID: chunk_id_to_connect_to},
+ "content": {
+ EventContentFields.MSC2716_CHUNK_ID: chunk_id_to_connect_to,
+ EventContentFields.MSC2716_HISTORICAL: True,
+ },
# Since the chunk event is put at the end of the chunk,
# where the newest-in-time event is, copy the origin_server_ts from
# the last event we're inserting
@@ -589,10 +595,6 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet):
for ev in events_to_create:
assert_params_in_dict(ev, ["type", "origin_server_ts", "content", "sender"])
- # Mark all events as historical
- # This has important semantics within the Synapse internals to backfill properly
- ev["content"][EventContentFields.MSC2716_HISTORICAL] = True
-
event_dict = {
"type": ev["type"],
"origin_server_ts": ev["origin_server_ts"],
@@ -602,6 +604,9 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet):
"prev_events": prev_event_ids.copy(),
}
+ # Mark all events as historical
+ event_dict["content"][EventContentFields.MSC2716_HISTORICAL] = True
+
event, context = await self.event_creation_handler.create_event(
await self._create_requester_for_user_id_from_app_service(
ev["sender"], requester.app_service
|