add nil check for decayer

2312cdda · Yusef Napora · vyzo · 51369f75 · 2312cdda
Commit 2312cdda authored May 11, 2020 by Yusef Napora Committed by vyzo May 19, 2020
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tag_tracer.go tag_tracer.go +3 -0

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--- a/tag_tracer.go
+++ b/tag_tracer.go
@@ -120,6 +120,9 @@ func (t *tagTracer) removeDeliveryTag(topic string) {
 }

 func (t *tagTracer) decayingDeliveryTag(topic string) (connmgr.DecayingTag, error) {
+	if t.decayer == nil {
+		return nil, fmt.Errorf("connection manager does not support decaying tags")
+	}
 	name := fmt.Sprintf("pubsub-deliveries:%s", topic)

 	// decrement tag value by GossipSubConnTagDecayAmount at each decay interval