diff options
Diffstat (limited to 'synapse/federation')
| -rw-r--r-- | synapse/federation/federation_client.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 9f56f97d99..48c90bf0bb 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -870,13 +870,15 @@ class FederationClient(FederationBase): for s in signed_state: s.internal_metadata = copy.deepcopy(s.internal_metadata) - # double-check that the same create event has ended up in the auth chain + # double-check that the auth chain doesn't include a different create event auth_chain_create_events = [ e.event_id for e in signed_auth if (e.type, e.state_key) == (EventTypes.Create, "") ] - if auth_chain_create_events != [create_event.event_id]: + if auth_chain_create_events and auth_chain_create_events != [ + create_event.event_id + ]: raise InvalidResponseError( "Unexpected create event(s) in auth chain: %s" % (auth_chain_create_events,) |