client: make ListSwaps thread safe
@@ -255,6 +255,9 @@ func (s *swapClientServer) ListSwaps(_ context.Context,
err error
)
+ s.swapsLock.Lock()
+ defer s.swapsLock.Unlock()
+
// We can just use the server's in-memory cache as that contains the
// most up-to-date state including temporary failures which aren't
// persisted to disk. The swaps field is a map, that's why we need an
