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Add helpers for getting prev and auth events (#4139)

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* Add helpers for getting prev and auth events

This is in preparation for allowing the event format to change between
room versions.
This commit is contained in:
Erik Johnston 2018-11-05 13:35:15 +00:00 • committed by Amber Brown
parent 0467384d2f
commit bc80b3f454
10 changed files with 62 additions and 45 deletions
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4
synapse/event_auth.py
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@ -200,11 +200,11 @@ def _is_membership_change_allowed(event, auth_events):
membership = event.content["membership"]
# Check if this is the room creator joining:
if len(event.prev_events) == 1 and Membership.JOIN == membership:
if len(event.prev_event_ids()) == 1 and Membership.JOIN == membership:
# Get room creation event:
key = (EventTypes.Create, "", )
create = auth_events.get(key)
if create and event.prev_events[0][0] == create.event_id:
if create and event.prev_event_ids()[0] == create.event_id:
if create.content["creator"] == event.state_key:
return