Merge branch 'release-v1.12.4' of github.com:matrix-org/synapse into anoa/temp_working_cache_config github/anoa/temp_working_cache_config anoa/temp_working_cache_config

* 'release-v1.12.4' of github.com:matrix-org/synapse: (123 commits)
  1.12.4
  formatting for the changelog
  1.12.4rc1
  1.12.4rc1
  Do not treat display names as globs for push rules. (#7271)
  Query missing cross-signing keys on local sig upload (#7289)
  Fix changelog file
  Support GET account_data requests on a worker (#7311)
  Revert "Query missing cross-signing keys on local sig upload"
  Always send the user updates to their own device list (#7160)
  Query missing cross-signing keys on local sig upload
  Only register devices edu handler on the master process (#7255)
  tweak changelog
  1.12.3
  Fix the debian build in a better way. (#7212)
  Fix changelog wording
  1.12.2
  Pin Pillow>=4.3.0,<7.1.0 to fix dep issue
  1.12.1
  Note where bugs were introduced
  ...

1 files changed, 8 insertions, 5 deletions

diff --git a/tests/state/test_v2.py b/tests/state/test_v2.py

index 5059ade850..a44960203e 100644
--- a/tests/state/test_v2.py
+++ b/tests/state/test_v2.py
@@ -603,7 +603,7 @@ class TestStateResolutionStore(object):
 
         return {eid: self.event_map[eid] for eid in event_ids if eid in self.event_map}
 
-    def get_auth_chain(self, event_ids, ignore_events):
+    def _get_auth_chain(self, event_ids):
         """Gets the full auth chain for a set of events (including rejected
         events).
 
@@ -617,9 +617,6 @@ class TestStateResolutionStore(object):
         Args:
             event_ids (list): The event IDs of the events to fetch the auth
                 chain for. Must be state events.
-            ignore_events: Set of events to exclude from the returned auth
-                chain.
-
         Returns:
             Deferred[list[str]]: List of event IDs of the auth chain.
         """
@@ -629,7 +626,7 @@ class TestStateResolutionStore(object):
         stack = list(event_ids)
         while stack:
             event_id = stack.pop()
-            if event_id in result or event_id in ignore_events:
+            if event_id in result:
                 continue
 
             result.add(event_id)
@@ -639,3 +636,9 @@ class TestStateResolutionStore(object):
                 stack.append(aid)
 
         return list(result)
+
+    def get_auth_chain_difference(self, auth_sets):
+        chains = [frozenset(self._get_auth_chain(a)) for a in auth_sets]
+
+        common = set(chains[0]).intersection(*chains[1:])
+        return set(chains[0]).union(*chains[1:]) - common