code: func (s *LDBStore) Get(_ context.Context, addr Address) (chunk Chunk, err error) {
  	metrics.GetOrRegisterCounter("ldbstore.get", nil).Inc(1)
  	log.Trace("ldbstore.get", "key", addr)
  
  	s.lock.Lock()
  	defer s.lock.Unlock()
  	return s.get(addr)
  }
docs: // Get retrieves the chunk matching the provided key from the database.
  // If the chunk entry does not exist, it returns an error
  // Updates access count and is thread safe