Fix panic in tags debug api (#493)

fix panics in /files and /bytes. Also fix the increment of state sent and statesynced counters.

pkg/api/bytes.go

@@ -27,6 +27,9 @@ type bytesPostResponse struct {
 // bytesUploadHandler handles upload of raw binary data of arbitrary length.
 func (s *server) bytesUploadHandler(w http.ResponseWriter, r *http.Request) {
 	ta := s.createTag(w, r)
+	if ta == nil {
+		return
+	}
 
 	// Add the tag to the context
 	r = r.WithContext(context.WithValue(r.Context(), tags.TagsContextKey{}, ta))

pkg/api/file.go

@@ -67,6 +67,9 @@ func (s *server) fileUploadHandler(w http.ResponseWriter, r *http.Request) {
 	var fileSize uint64
 
 	ta := s.createTag(w, r)
+	if ta == nil {
+		return
+	}
 
 	// Add the tag to the context
 	r = r.WithContext(context.WithValue(r.Context(), tags.TagsContextKey{}, ta))

pkg/file/splitter/internal/job.go

@@ -176,7 +176,14 @@ func (s *SimpleSplitterJob) sumLevel(lvl int) ([]byte, error) {
 	ref := s.hasher.Sum(nil)
 	addr = swarm.NewAddress(ref)
 
-	ch := swarm.NewChunk(addr, c)
+	// Add tag to the chunk if tag is valid
+	var ch swarm.Chunk
+	if s.tagg != nil {
+		ch = swarm.NewChunk(addr, c).WithTagID(s.tagg.Uid)
+	} else {
+		ch = swarm.NewChunk(addr, c)
+	}
+
 	seen, err := s.putter.Put(s.ctx, storage.ModePutUpload, ch)
 	if err != nil {
 		return nil, err

pkg/node/node.go

@@ -347,6 +347,7 @@ func NewBee(o Options) (*Bee, error) {
 			Tracer:         tracer,
 			TopologyDriver: topologyDriver,
 			Storer:         storer,
+			Tags:           tagg,
 		})
 		// register metrics from components
 		debugAPIService.MustRegisterMetrics(p2ps.Metrics()...)