diff options
Diffstat (limited to 'synapse/state/__init__.py')
| -rw-r--r-- | synapse/state/__init__.py | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py index df7a4f6a89..4afefc6b1d 100644 --- a/synapse/state/__init__.py +++ b/synapse/state/__init__.py @@ -662,28 +662,16 @@ class StateResolutionStore(object): allow_rejected=allow_rejected, ) - def get_auth_chain(self, event_ids: List[str], ignore_events: Set[str]): - """Gets the full auth chain for a set of events (including rejected - events). - - Includes the given event IDs in the result. - - Note that: - 1. All events must be state events. - 2. For v1 rooms this may not have the full auth chain in the - presence of rejected events - - Args: - event_ids: 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. + def get_auth_chain_difference(self, state_sets: List[Set[str]]): + """Given sets of state events figure out the auth chain difference (as + per state res v2 algorithm). + This equivalent to fetching the full auth chain for each set of state + and returning the events that don't appear in each and every auth + chain. Returns: - Deferred[list[str]]: List of event IDs of the auth chain. + Deferred[Set[str]]: Set of event IDs. """ - return self.store.get_auth_chain_ids( - event_ids, include_given=True, ignore_events=ignore_events, - ) + return self.store.get_auth_chain_difference(state_sets) |