package engine import ( "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard" apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status" oid "github.com/nspcc-dev/neofs-sdk-go/object/id" ) func (e *StorageEngine) exists(addr oid.Address) (bool, error) { shPrm := new(shard.ExistsPrm).WithAddress(addr) alreadyRemoved := false exists := false e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) { res, err := sh.Exists(shPrm) if err != nil { if shard.IsErrRemoved(err) { alreadyRemoved = true return true } e.reportShardError(sh, "could not check existence of object in shard", err) } if res != nil && !exists { exists = res.Exists() } return false }) if alreadyRemoved { var errRemoved apistatus.ObjectAlreadyRemoved return false, errRemoved } return exists, nil }