package meta import ( "github.com/nspcc-dev/neofs-api-go/pkg/object" "github.com/pkg/errors" "go.etcd.io/bbolt" ) var tombstoneBucket = []byte("tombstones") // Delete marks object as deleted. func (db *DB) Delete(addr *object.Address) error { return db.delete(addr) } func objectRemoved(tx *bbolt.Tx, addr []byte) bool { tombstoneBucket := tx.Bucket(tombstoneBucket) return tombstoneBucket != nil && tombstoneBucket.Get(addr) != nil } // DeleteObjects marks list of objects as deleted. func (db *DB) DeleteObjects(list ...*object.Address) { if err := db.delete(list...); err != nil { // TODO: log error } } func (db *DB) delete(list ...*object.Address) error { return db.boltDB.Update(func(tx *bbolt.Tx) error { bucket, err := tx.CreateBucketIfNotExists(tombstoneBucket) if err != nil { return errors.Wrapf(err, "(%T) could not create tombstone bucket", db) } for i := range list { if err := bucket.Put(addressKey(list[i]), nil); err != nil { return errors.Wrapf(err, "(%T) could not put to tombstone bucket", db) } } return nil }) }