diff options
| -rw-r--r-- | synapse/storage/event_federation.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py index 86c68ebf87..7140ea3d57 100644 --- a/synapse/storage/event_federation.py +++ b/synapse/storage/event_federation.py @@ -24,6 +24,41 @@ logger = logging.getLogger(__name__) class EventFederationStore(SQLBaseStore): + def get_auth_chain(self, event_id): + return self.runInteraction( + "get_auth_chain", + self._get_auth_chain_txn, + event_id + ) + + def _get_auth_chain_txn(self, txn, event_id): + results = set([event_id]) + + front = set([event_id]) + while front: + for ev_id in front: + new_front = set() + auth_ids = self._simple_select_onecol_txn( + txn, + table="event_auth", + keyvalues={ + "event_id": ev_id, + }, + retcol="auth_id", + ) + + new_front.update(auth_ids) + front = new_front + new_front.clear() + + sql = "SELECT * FROM events WHERE event_id = ?" + rows = [] + for ev_id in results: + c = txn.execute(sql, (ev_id,)) + rows.extend(self.cursor_to_dict(c)) + + return self._parse_events_txn(txn, rows) + def get_oldest_events_in_room(self, room_id): return self.runInteraction( "get_oldest_events_in_room", |