go.mod

@@ -3,7 +3,7 @@ module git.frostfs.info/TrueCloudLab/frostfs-sdk-go
 go 1.20
 
 require (
-	git.frostfs.info/TrueCloudLab/frostfs-api-go/v2 v2.16.1-0.20240529164544-9e825239ac5f
+	git.frostfs.info/TrueCloudLab/frostfs-api-go/v2 v2.16.1-0.20240530152826-2f6d3209e1d3
 	git.frostfs.info/TrueCloudLab/frostfs-contract v0.0.0-20230307110621-19a8ef2d02fb
 	git.frostfs.info/TrueCloudLab/frostfs-crypto v0.6.0
 	git.frostfs.info/TrueCloudLab/hrw v1.2.1

object/erasure_code.go

@@ -13,18 +13,34 @@ type ECHeader struct {
 	parent              oid.ID
 	parentSplitID       *SplitID
 	parentSplitParentID *oid.ID
+	parentAttributes    []Attribute
 	index               uint32
 	total               uint32
 	header              []byte
 	headerLength        uint32
 }
 
+type ECParentInfo struct {
+	// EC-parent's ID.
+	ID oid.ID
+
+	// EC-parent's split ID if the parent is a part of Split itself.
+	SplitID *SplitID
+
+	// EC-parent's parent split ID if the parent is a part of Split itself.
+	SplitParentID *oid.ID
+
+	// EC-parent's attributes.
+	Attributes []Attribute
+}
+
 // NewECHeader constructs new erasure coding header.
-func NewECHeader(parent oid.ID, parentSplitID *SplitID, parentSplitParentID *oid.ID, index, total uint32, header []byte, headerLength uint32) *ECHeader {
+func NewECHeader(ecParentInfo ECParentInfo, index, total uint32, header []byte, headerLength uint32) *ECHeader {
 	return &ECHeader{
-		parent:              parent,
+		parent:              ecParentInfo.ID,
-		parentSplitID:       parentSplitID,
+		parentSplitID:       ecParentInfo.SplitID,
-		parentSplitParentID: parentSplitParentID,
+		parentSplitParentID: ecParentInfo.SplitParentID,
+		parentAttributes:    ecParentInfo.Attributes,
 		index:               index,
 		total:               total,
 		header:              header,
@@ -45,6 +61,13 @@ func (e *ECHeader) WriteToV2(h *object.ECHeader) {
 	}
 
 	h.Parent = &parent
+
+	attrs := make([]object.Attribute, len(e.parentAttributes))
+	for i := range e.parentAttributes {
+		attrs[i] = *e.parentAttributes[i].ToV2()
+	}
+	h.ParentAttributes = attrs
+
 	h.Index = e.index
 	h.Total = e.total
 	h.Header = e.header
@@ -60,6 +83,12 @@ func (e *ECHeader) ReadFromV2(h *object.ECHeader) error {
 		return errors.New("empty parent")
 	}
 
+	attrs := make([]Attribute, len(h.ParentAttributes))
+	for i := range h.ParentAttributes {
+		attrs[i] = *NewAttributeFromV2(&h.ParentAttributes[i])
+	}
+	e.parentAttributes = attrs
+
 	_ = e.parent.ReadFromV2(*h.Parent)
 	e.parentSplitID = NewSplitIDFromV2(h.ParentSplitID)
 	if h.ParentSplitParentID != nil {
@@ -123,6 +152,14 @@ func (e *ECHeader) SetParentSplitParentID(parentSplitParentID *oid.ID) {
 	e.parentSplitParentID = parentSplitParentID
 }
 
+func (e *ECHeader) ParentAttributes() []Attribute {
+	return e.parentAttributes
+}
+
+func (e *ECHeader) SetParentAttributes(attrs []Attribute) {
+	e.parentAttributes = attrs
+}
+
 func (e *ECHeader) Index() uint32 {
 	return e.index
 }

object/erasurecode/reconstruct.go

@@ -85,10 +85,13 @@ func (c *Constructor) ReconstructParts(parts []*objectSDK.Object, required []boo
 	}
 
 	ec := parts[nonNilPart].GetECHeader()
-	parent := ec.Parent()
+	ecParentInfo := objectSDK.ECParentInfo{
+		ID:            ec.Parent(),
+		SplitID:       ec.ParentSplitID(),
+		SplitParentID: ec.ParentSplitParentID(),
+		Attributes:    ec.ParentAttributes(),
+	}
 	total := ec.Total()
-	splitID := ec.ParentSplitID()
-	parSplitParID := ec.ParentSplitParentID()
 
 	for i := range required {
 		if parts[i] != nil || !required[i] {
@@ -99,8 +102,7 @@ func (c *Constructor) ReconstructParts(parts []*objectSDK.Object, required []boo
 		copyRequiredFields(part, parts[nonNilPart])
 		part.SetPayload(c.payloadShards[i])
 		part.SetPayloadSize(uint64(len(c.payloadShards[i])))
-		part.SetECHeader(objectSDK.NewECHeader(parent, splitID, parSplitParID, uint32(i), total,
+		part.SetECHeader(objectSDK.NewECHeader(ecParentInfo, uint32(i), total, c.headerShards[i], c.headerLength))
-			c.headerShards[i], c.headerLength))
 
 		if err := setIDWithSignature(part, key); err != nil {
 			return err

object/erasurecode/split.go

@@ -41,7 +41,14 @@ func (c *Constructor) Split(obj *objectSDK.Object, key *ecdsa.PrivateKey) ([]*ob
 			}
 		}
 
-		ec := objectSDK.NewECHeader(parent, obj.SplitID(), parentSplitParentID, uint32(i), uint32(len(payloadShards)), headerShards[i], uint32(len(header)))
+		ecParentInfo := objectSDK.ECParentInfo{
+			ID:            parent,
+			SplitID:       obj.SplitID(),
+			SplitParentID: parentSplitParentID,
+			Attributes:    obj.Attributes(),
+		}
+
+		ec := objectSDK.NewECHeader(ecParentInfo, uint32(i), uint32(len(payloadShards)), headerShards[i], uint32(len(header)))
 		chunk.SetECHeader(ec)
 		if err := setIDWithSignature(chunk, key); err != nil {
 			return nil, err