Change

daemons/node/common/common_heartbeat.go

@@ -172,46 +172,6 @@ func HandleWitnessQuery(h host.Host, s network.Stream) {
 	json.NewEncoder(s).Encode(report)
 }
 
-// IndirectProbeIndexer asks each witness in the cache whether it still sees
-// the given indexer (by PeerID). Returns true if at least one witness confirms
-// it is alive — meaning our direct link is asymmetrically broken, not the indexer.
-// All probes run in parallel; the function blocks at most 5 seconds.
-func IndirectProbeIndexer(h host.Host, indexerPeerID string, pool []WitnessCacheEntry) bool {
-	if len(pool) == 0 {
-		return false
-	}
-	results := make(chan bool, len(pool))
-	for _, e := range pool {
-		go func(ai pp.AddrInfo) {
-			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-			defer cancel()
-			s, err := h.NewStream(ctx, ai.ID, ProtocolWitnessQuery)
-			if err != nil {
-				results <- false
-				return
-			}
-			defer s.Reset()
-			s.SetDeadline(time.Now().Add(5 * time.Second))
-			if err := json.NewEncoder(s).Encode(WitnessRequest{IndexerPeerID: indexerPeerID}); err != nil {
-				results <- false
-				return
-			}
-			var rep WitnessReport
-			if err := json.NewDecoder(s).Decode(&rep); err != nil {
-				results <- false
-				return
-			}
-			results <- rep.Seen
-		}(e.AI)
-	}
-	for range pool {
-		if <-results {
-			return true
-		}
-	}
-	return false
-}
-
 // SupportsHeartbeat probes pid with a short-lived stream to verify it has
 // a ProtocolHeartbeat handler (i.e. it is an indexer, not a plain node).
 // Only protocol negotiation is performed — no data is sent.