Keep Peer Caching + Resource Verification.

daemons/node/indexer/service.go

@@ -48,12 +48,15 @@ func NewIndexerService(h host.Host, ps *pubsub.PubSub, maxNode int) *IndexerServ
 	}
 	f := func(ctx context.Context, evt common.TopicNodeActivityPub, _ string) {
 		ix.mu.Lock()
-		if evt.NodeActivity == pp.OFFLINE {
-			delete(ix.DisposedPeers, evt.Disposer.ID)
-		}
-		if evt.NodeActivity == pp.ONLINE {
-			ix.DisposedPeers[evt.Disposer.ID] = &evt
+		if pid, err := peer.Decode(evt.PeerID); err == nil {
+			if evt.NodeActivity == pp.OFFLINE.EnumIndex() {
+				delete(ix.DisposedPeers, pid)
+			}
+			if evt.NodeActivity == pp.ONLINE.EnumIndex() {
+				ix.DisposedPeers[pid] = &evt
+			}
 		}
+
 		ix.mu.Unlock()
 	}
 	ix.SubscribeToNodeActivity(ix.PS, &f) // now we subscribe to a long run topic named node-activity, to relay message.