diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 46ce3699d7..5503d9ae86 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -900,8 +900,10 @@ class FederationHandler(BaseHandler):
event.event_id, event.signatures,
)
+ outlier = event.internal_metadata.is_outlier()
+
context = yield self.state_handler.compute_event_context(
- event, old_state=state
+ event, old_state=state, outlier=outlier,
)
if not auth_events:
@@ -912,7 +914,7 @@ class FederationHandler(BaseHandler):
event.event_id, auth_events,
)
- is_new_state = not event.internal_metadata.is_outlier()
+ is_new_state = not outlier
# This is a hack to fix some old rooms where the initial join event
# didn't reference the create event in its auth events.
diff --git a/synapse/state.py b/synapse/state.py
index 9dddb77d5b..c1ce46d1b2 100644
--- a/synapse/state.py
+++ b/synapse/state.py
@@ -106,7 +106,7 @@ class StateHandler(object):
defer.returnValue(state)
@defer.inlineCallbacks
- def compute_event_context(self, event, old_state=None):
+ def compute_event_context(self, event, old_state=None, outlier=False):
""" Fills out the context with the `current state` of the graph. The
`current state` here is defined to be the state of the event graph
just before the event - i.e. it never includes `event`
@@ -119,9 +119,20 @@ class StateHandler(object):
Returns:
an EventContext
"""
+ yield run_on_reactor()
+
context = EventContext()
- yield run_on_reactor()
+ if outlier:
+ if old_state:
+ context.current_state = {
+ (s.type, s.state_key): s for s in old_state
+ }
+ else:
+ context.current_state = {}
+ context.prev_state_events = []
+ context.state_group = None
+ defer.returnValue(context)
if old_state:
context.current_state = {
diff --git a/tests/handlers/test_federation.py b/tests/handlers/test_federation.py
index f3821242bc..d392c23015 100644
--- a/tests/handlers/test_federation.py
+++ b/tests/handlers/test_federation.py
@@ -100,7 +100,7 @@ class FederationTestCase(unittest.TestCase):
return defer.succeed({})
self.datastore.have_events.side_effect = have_events
- def annotate(ev, old_state=None):
+ def annotate(ev, old_state=None, outlier=False):
context = Mock()
context.current_state = {}
context.auth_events = {}
@@ -120,7 +120,7 @@ class FederationTestCase(unittest.TestCase):
)
self.state_handler.compute_event_context.assert_called_once_with(
- ANY, old_state=None,
+ ANY, old_state=None, outlier=False
)
self.auth.check.assert_called_once_with(ANY, auth_events={})
|