1 files changed, 5 insertions, 3 deletions
diff --git a/synapse/storage/signatures.py b/synapse/storage/signatures.py
index 67d5d9969a..e6eeb1b641 100644
--- a/synapse/storage/signatures.py
+++ b/synapse/storage/signatures.py
@@ -22,9 +22,7 @@ from synapse.crypto.event_signing import compute_event_reference_hash
 from synapse.util.caches.descriptors import cached, cachedList
 
 
-class SignatureStore(SQLBaseStore):
-    """Persistence for event signatures and hashes"""
-
+class SignatureWorkerStore(SQLBaseStore):
     @cached()
     def get_event_reference_hash(self, event_id):
         return self._get_event_reference_hashes_txn(event_id)
@@ -74,6 +72,10 @@ class SignatureStore(SQLBaseStore):
         txn.execute(query, (event_id, ))
         return {k: v for k, v in txn}
 
+
+class SignatureStore(SignatureWorkerStore):
+    """Persistence for event signatures and hashes"""
+
     def _store_event_reference_hashes_txn(self, txn, events):
         """Store a hash for a PDU
         Args: