package storage type Store interface { Init(param map[string]interface{}) error // init the backend and connect to it Shutdown() error // shutdown the backend and connect to it StoreObject(universe_bucket []byte, galaxy_bucket []byte, solar_bucket []byte, key []byte, data []byte) error // store object to a specific universe LoadObject(universe_bucket []byte, galaxy_bucket []byte, solar_bucket []byte, key []byte) ([]byte, error) // load object from a specific universe StoreUint64(universe_bucket []byte, galaxy_bucket []byte, solar_bucket []byte, key []byte, data uint64) error // store LoadUint64(universe_bucket []byte, galaxy_bucket []byte, solar_bucket []byte, key []byte) (uint64, error) // load object } //var Store Backend_Store// the system shouls chooose a backend at start Time