@@ -0,0 +47,4 @@
+	a.log = a.log.With(
+		zap.Stringer("address", a.addr),
+		zap.Uint64("range offset", a.rng.GetOffset()),
+		zap.Uint64("range length", a.rng.GetLength()),

@@ -0,0 +98,4 @@
+}
+
+func (a *assembler) initializeFromSourceObjectID(ctx context.Context, id oid.ID) (*oid.ID, []oid.ID, error) {
+	log := a.log.With(zap.Stringer("source_object_id", id))

@@ -0,0 +108,4 @@
+		return nil, nil, err
+	}
+
+	//parent object is large object, not previuos!

@@ -0,0 +172,4 @@
+
+	if verifyIsChild && !a.isChild(obj) {
+		log.Warn("parent address in child object differs")
+		return nil, errors.New("parent address in child object differs")

@@ -0,0 +24,4 @@
+	addr      oid.Address
+	splitInfo *objectSDK.SplitInfo
+	rng       *objectSDK.Range
+	log       *zap.Logger

@@ -143,0 +69,4 @@
+		exec.collectedObject = obj
+	case errors.As(err, new(*objectSDK.SplitInfoError)):
+		exec.status = statusVIRTUAL
+		exec.err = err

@@ -143,0 +70,4 @@
+	case errors.As(err, new(*objectSDK.SplitInfoError)):
+		exec.status = statusVIRTUAL
+		exec.err = err
+	case errors.As(err, new(*apistatus.ObjectOutOfRange)):

@@ -0,0 +75,4 @@
+		return sourceObjectID, true
+	}
+	sourceObjectID, ok = a.splitInfo.LastPart()
+	if !ok {

@@ -0,0 +228,4 @@
+
+func (a *assembler) buildChain(ctx context.Context, prevID oid.ID) ([]oid.ID, []objectSDK.Range, error) {
+	var (
+		chain = make([]oid.ID, 0)