Discovery Neo Oclib

daemons/node/common/common_service.go

@@ -261,7 +261,10 @@ func (ix *LongLivedStreamRecordedService[T]) HandleHeartbeat(s network.Stream) {
 }
 
 func CheckHeartbeat(h host.Host, s network.Stream, dec *json.Decoder, streams map[pp.ID]HeartBeatStreamed, lock *sync.RWMutex, maxNodes int) (*pp.ID, *Heartbeat, error) {
-	if len(h.Network().Peers()) >= maxNodes {
+	// Use the heartbeat stream count, not h.Network().Peers(), which includes
+	// upstream indexer connections, short-lived protocol streams (publish/get/probe),
+	// and zombie libp2p connections whose heartbeat stream has already been GC'd.
+	if len(streams) >= maxNodes {
 		return nil, nil, fmt.Errorf("too many connections, try another indexer")
 	}
 	var hb Heartbeat
@@ -285,9 +288,11 @@ func CheckHeartbeat(h host.Host, s network.Stream, dec *json.Decoder, streams ma
 		// E: measure the indexer's own subnet diversity, not the node's view.
 		diversity := getOwnDiversityRate(h)
 		// fillRate: fraction of indexer capacity used — higher = more peers trust this indexer.
+		// Use heartbeat stream count (same as fill rate reported to nodes), not
+		// h.Network().Peers() which inflates the count with upstream/probe connections.
 		fillRate := 0.0
 		if maxNodes > 0 {
-			fillRate = float64(len(h.Network().Peers())) / float64(maxNodes)
+			fillRate = float64(len(streams)) / float64(maxNodes)
 			if fillRate > 1 {
 				fillRate = 1
 			}