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Store room_versions in EventBase objects (#6875)

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This is a bit fiddly because it all has to be done on one fell swoop:

* Wherever we create a new event, pass in the room version (and check it matches the format version)
* When we prune an event, use the room version of the unpruned event to create the pruned version.
* When we pass an event over the replication protocol, pass the room version over alongside it, and use it when deserialising the event again.
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Richard van der Hoff 2020-03-05 15:46:44 +00:00 • committed by GitHub
parent fe678a0900
commit 78a15b1f9d
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5 changed files with 63 additions and 32 deletions
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13
synapse/replication/http/federation.py
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@ -18,7 +18,7 @@ import logging
from twisted.internet import defer
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
from synapse.events import event_type_from_format_version
from synapse.events import make_event_from_dict
from synapse.events.snapshot import EventContext
from synapse.http.servlet import parse_json_object_from_request
from synapse.replication.http._base import ReplicationEndpoint
@ -38,6 +38,9 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
{
"events": [{
"event": { .. serialized event .. },
"room_version": .., // "1", "2", "3", etc: the version of the room
// containing the event
"event_format_version": .., // 1,2,3 etc: the event format version
"internal_metadata": { .. serialized internal_metadata .. },
"rejected_reason": .., // The event.rejected_reason field
"context": { .. serialized event context .. },
@ -73,6 +76,7 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
event_payloads.append(
{
"event": event.get_pdu_json(),
"room_version": event.room_version.identifier,
"event_format_version": event.format_version,
"internal_metadata": event.internal_metadata.get_dict(),
"rejected_reason": event.rejected_reason,
@ -95,12 +99,13 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
event_and_contexts = []
for event_payload in event_payloads:
event_dict = event_payload["event"]
format_ver = event_payload["event_format_version"]
room_ver = KNOWN_ROOM_VERSIONS[event_payload["room_version"]]
internal_metadata = event_payload["internal_metadata"]
rejected_reason = event_payload["rejected_reason"]
EventType = event_type_from_format_version(format_ver)
event = EventType(event_dict, internal_metadata, rejected_reason)
event = make_event_from_dict(
event_dict, room_ver, internal_metadata, rejected_reason
)
context = EventContext.deserialize(
self.storage, event_payload["context"]