code: func NewSwarmChunkServer(chunkStore storage.ChunkStore) *SwarmChunkServer {
  	s := &SwarmChunkServer{
  		deliveryC:  make(chan []byte, deliveryCap),
  		batchC:     make(chan []byte),
  		chunkStore: chunkStore,
  		quit:       make(chan struct{}),
  	}
  	go s.processDeliveries()
  	return s
  }
docs: // NewSwarmChunkServer is SwarmChunkServer constructor