code: func NewGlobalStore() *GlobalStore {
  	return &GlobalStore{
  		nodeKeys: make(map[common.Address][][]byte),
  		keyNodes: make(map[string][]common.Address),
  		nodes:    make([]common.Address, 0),
  		keys:     make([][]byte, 0),
  		data:     make(map[string][]byte),
  	}
  }
docs: // NewGlobalStore creates a new instance of GlobalStore.