code: func (h *Hive) loadPeers() error {
  	var as []*BzzAddr
  	err := h.Store.Get("peers", &as)
  	if err != nil {
  		if err == state.ErrNotFound {
  			log.Info(fmt.Sprintf("hive %08x: no persisted peers found", h.BaseAddr()[:4]))
  			return nil
  		}
  		return err
  	}
  	log.Info(fmt.Sprintf("hive %08x: peers loaded", h.BaseAddr()[:4]))
  
  	return h.Register(as...)
  }
docs: // loadPeers, savePeer implement persistence callback/