1 files changed, 12 insertions, 0 deletions
diff --git a/synapse/app/federation_sender.py b/synapse/app/federation_sender.py
index 477e16e0fa..49efb602bc 100644
--- a/synapse/app/federation_sender.py
+++ b/synapse/app/federation_sender.py
@@ -32,6 +32,7 @@ from synapse.replication.slave.storage.transactions import TransactionStore
 from synapse.replication.slave.storage.devices import SlavedDeviceStore
 from synapse.replication.tcp.client import ReplicationClientHandler
 from synapse.storage.engines import create_engine
+from synapse.storage.presence import PresenceStore
 from synapse.util.async import Linearizer
 from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, preserve_fn
@@ -80,6 +81,17 @@ class FederationSenderSlaveStore(
 
         return rows[0][0] if rows else -1
 
+    # XXX: This is a bit broken because we don't persist the accepted list in a
+    # way that can be replicated. This means that we don't have a way to
+    # invalidate the cache correctly.
+    # This is fine since in practice nobody uses the presence list stuff...
+    get_presence_list_accepted = PresenceStore.__dict__[
+        "get_presence_list_accepted"
+    ]
+    get_presence_list_observers_accepted = PresenceStore.__dict__[
+        "get_presence_list_observers_accepted"
+    ]
+
 
 class FederationSenderServer(HomeServer):
     def get_db_conn(self, run_new_connection=True):