package engine import ( "context" "errors" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard" apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status" objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object" oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id" ) func (e *StorageEngine) exists(ctx context.Context, addr oid.Address) (bool, error) { var shPrm shard.ExistsPrm shPrm.SetAddress(addr) alreadyRemoved := false exists := false e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) { res, err := sh.Exists(ctx, shPrm) if err != nil { if shard.IsErrRemoved(err) { alreadyRemoved = true return true } var siErr *objectSDK.SplitInfoError if errors.As(err, &siErr) { return true } if shard.IsErrObjectExpired(err) { return true } if !shard.IsErrNotFound(err) { e.reportShardError(sh, "could not check existence of object in shard", err) } return false } if !exists { exists = res.Exists() } return false }) if alreadyRemoved { var errRemoved apistatus.ObjectAlreadyRemoved return false, errRemoved } return exists, nil }