[#1329] services/tree: Implement GetOpLog RPC

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

pkg/local_object_storage/engine/tree.go

@@ -116,3 +116,22 @@ func (e *StorageEngine) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pil
 	}
 	return nil, err
 }
+
+// TreeGetOpLog implements the pilorama.Forest interface.
+func (e *StorageEngine) TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (pilorama.Move, error) {
+	var err error
+	var lm pilorama.Move
+	for _, sh := range e.sortShardsByWeight(cid) {
+		lm, err = sh.TreeGetOpLog(cid, treeID, height)
+		if err != nil {
+			e.log.Debug("can't perform `GetOpLog`",
+				zap.Stringer("cid", cid),
+				zap.String("tree", treeID),
+				zap.Uint64("height", height),
+				zap.String("err", err.Error()))
+			continue
+		}
+		return lm, nil
+	}
+	return lm, err
+}

pkg/local_object_storage/pilorama/boltdb.go

@@ -211,7 +211,7 @@ func (t *boltForest) applyOperation(logBucket, treeBucket *bbolt.Bucket, m *Move
 
 	// 1. Undo up until the desired timestamp is here.
 	for len(key) == 8 && binary.BigEndian.Uint64(key) > m.Time {
-		if err := t.logFromBytes(&tmp, key, value); err != nil {
+		if err := t.logFromBytes(&tmp, value); err != nil {
 			return nil, err
 		}
 		if err := t.undo(&tmp.Move, &tmp, treeBucket, cKey[:]); err != nil {
@@ -231,7 +231,7 @@ func (t *boltForest) applyOperation(logBucket, treeBucket *bbolt.Bucket, m *Move
 
 	// 3. Re-apply all other operations.
 	for len(key) == 8 {
-		if err := t.logFromBytes(&tmp, key, value); err != nil {
+		if err := t.logFromBytes(&tmp, value); err != nil {
 			return nil, err
 		}
 		if err := t.do(logBucket, treeBucket, cKey[:], &tmp); err != nil {
@@ -446,6 +446,29 @@ func (t *boltForest) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node)
 	return children, err
 }
 
+// TreeGetOpLog implements the pilorama.Forest interface.
+func (t *boltForest) TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (Move, error) {
+	key := make([]byte, 8)
+	binary.BigEndian.PutUint64(key, height)
+
+	var lm Move
+
+	err := t.db.View(func(tx *bbolt.Tx) error {
+		treeRoot := tx.Bucket(bucketName(cid, treeID))
+		if treeRoot == nil {
+			return ErrTreeNotFound
+		}
+
+		c := treeRoot.Bucket(logBucket).Cursor()
+		if _, data := c.Seek(key); data != nil {
+			return t.moveFromBytes(&lm, data)
+		}
+		return nil
+	})
+
+	return lm, err
+}
+
 func (t *boltForest) getPathPrefix(bTree *bbolt.Bucket, attr string, path []string) (int, Node, error) {
 	var key [9]byte
 
@@ -483,7 +506,17 @@ loop:
 	return len(path), curNode, nil
 }
 
-func (t *boltForest) logFromBytes(lm *LogMove, key []byte, data []byte) error {
+func (t *boltForest) moveFromBytes(m *Move, data []byte) error {
+	r := io.NewBinReaderFromBuf(data)
+	m.Child = r.ReadU64LE()
+	m.Parent = r.ReadU64LE()
+	if err := m.Meta.FromBytes(r.ReadVarBytes()); err != nil {
+		return err
+	}
+	return r.Err
+}
+
+func (t *boltForest) logFromBytes(lm *LogMove, data []byte) error {
 	r := io.NewBinReaderFromBuf(data)
 	lm.Child = r.ReadU64LE()
 	lm.Parent = r.ReadU64LE()

pkg/local_object_storage/pilorama/forest.go

@@ -1,6 +1,8 @@
 package pilorama
 
 import (
+	"sort"
+
 	cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
 )
 
@@ -133,3 +135,20 @@ func (f *memoryForest) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node
 	copy(res, children)
 	return res, nil
 }
+
+// TreeGetOpLog implements the pilorama.Forest interface.
+func (f *memoryForest) TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (Move, error) {
+	fullID := cid.String() + "/" + treeID
+	s, ok := f.treeMap[fullID]
+	if !ok {
+		return Move{}, ErrTreeNotFound
+	}
+
+	n := sort.Search(len(s.operations), func(i int) bool {
+		return s.operations[i].Time >= height
+	})
+	if n == len(s.operations) {
+		return Move{}, nil
+	}
+	return s.operations[n].Move, nil
+}

pkg/local_object_storage/pilorama/forest_test.go

@@ -324,6 +324,64 @@ func testForestTreeApply(t *testing.T, constructor func(t *testing.T) Forest) {
 	})
 }
 
+func TestForest_GetOpLog(t *testing.T) {
+	for i := range providers {
+		t.Run(providers[i].name, func(t *testing.T) {
+			testForestTreeGetOpLog(t, providers[i].construct)
+		})
+	}
+}
+
+func testForestTreeGetOpLog(t *testing.T, constructor func(t *testing.T) Forest) {
+	cid := cidtest.ID()
+	treeID := "version"
+	logs := []Move{
+		{
+			Meta:  Meta{Time: 4, Items: []KeyValue{{"grand", []byte{1}}}},
+			Child: 1,
+		},
+		{
+			Meta:  Meta{Time: 5, Items: []KeyValue{{"second", []byte{1, 2, 3}}}},
+			Child: 4,
+		},
+		{
+			Parent: 10,
+			Meta:   Meta{Time: 256 + 4, Items: []KeyValue{}}, // make sure keys are big-endian
+			Child:  11,
+		},
+	}
+
+	s := constructor(t)
+
+	t.Run("empty log, no panic", func(t *testing.T) {
+		_, err := s.TreeGetOpLog(cid, treeID, 0)
+		require.ErrorIs(t, err, ErrTreeNotFound)
+	})
+
+	for i := range logs {
+		require.NoError(t, s.TreeApply(cid, treeID, &logs[i]))
+	}
+
+	testGetOpLog := func(t *testing.T, height uint64, m Move) {
+		lm, err := s.TreeGetOpLog(cid, treeID, height)
+		require.NoError(t, err)
+		require.Equal(t, m, lm)
+	}
+
+	testGetOpLog(t, 0, logs[0])
+	testGetOpLog(t, 4, logs[0])
+	testGetOpLog(t, 5, logs[1])
+	testGetOpLog(t, 6, logs[2])
+	testGetOpLog(t, 260, logs[2])
+	t.Run("missing entry", func(t *testing.T) {
+		testGetOpLog(t, 261, Move{})
+	})
+	t.Run("missing tree", func(t *testing.T) {
+		_, err := s.TreeGetOpLog(cid, treeID+"123", 4)
+		require.ErrorIs(t, err, ErrTreeNotFound)
+	})
+}
+
 func TestForest_ApplyRandom(t *testing.T) {
 	for i := range providers {
 		t.Run(providers[i].name, func(t *testing.T) {

pkg/local_object_storage/pilorama/interface.go

@@ -26,6 +26,9 @@ type Forest interface {
 	// TreeGetChildren returns children of the node with the specified ID. The order is arbitrary.
 	// Should return ErrTreeNotFound if the tree is not found, and empty result if the node is not in the tree.
 	TreeGetChildren(cid cidSDK.ID, treeID string, nodeID Node) ([]uint64, error)
+	// TreeGetOpLog returns first log operation stored at or above the height.
+	// In case no such operation is found, empty Move and nil error should be returned.
+	TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (Move, error)
 }
 
 type ForestStorage interface {

pkg/local_object_storage/shard/tree.go

@@ -36,3 +36,8 @@ func (s *Shard) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node)
 func (s *Shard) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pilorama.Node) ([]uint64, error) {
 	return s.pilorama.TreeGetChildren(cid, treeID, nodeID)
 }
+
+// TreeGetOpLog implements the pilorama.Forest interface.
+func (s *Shard) TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (pilorama.Move, error) {
+	return s.pilorama.TreeGetOpLog(cid, treeID, height)
+}

pkg/services/tree/service.go

@@ -342,6 +342,38 @@ loop:
 	})
 }
 
+func (s *Service) GetOpLog(req *GetOpLogRequest, srv TreeService_GetOpLogServer) error {
+	b := req.GetBody()
+
+	var cid cidSDK.ID
+	if err := cid.Decode(req.GetBody().GetContainerId()); err != nil {
+		return err
+	}
+
+	h := b.GetHeight()
+	for {
+		lm, err := s.forest.TreeGetOpLog(cid, b.GetTreeId(), h)
+		if err != nil || lm.Time == 0 {
+			return err
+		}
+
+		err = srv.Send(&GetOpLogResponse{
+			Body: &GetOpLogResponse_Body{
+				Operation: &LogMove{
+					ParentId: lm.Parent,
+					Meta:     lm.Meta.Bytes(),
+					ChildId:  lm.Child,
+				},
+			},
+		})
+		if err != nil {
+			return err
+		}
+
+		h = lm.Time + 1
+	}
+}
+
 func protoToMeta(arr []*KeyValue) []pilorama.KeyValue {
 	meta := make([]pilorama.KeyValue, len(arr))
 	for i, kv := range arr {

pkg/services/tree/service.pb.go

@@ -790,6 +790,116 @@ func (x *ApplyResponse) GetSignature() *Signature {
 	return nil
 }
 
+type GetOpLogRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Body      *GetOpLogRequest_Body `protobuf:"bytes,1,opt,name=body,proto3" json:"body,omitempty"`
+	Signature *Signature            `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty"`
+}
+
+func (x *GetOpLogRequest) Reset() {
+	*x = GetOpLogRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_services_tree_service_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetOpLogRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetOpLogRequest) ProtoMessage() {}
+
+func (x *GetOpLogRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_services_tree_service_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetOpLogRequest.ProtoReflect.Descriptor instead.
+func (*GetOpLogRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *GetOpLogRequest) GetBody() *GetOpLogRequest_Body {
+	if x != nil {
+		return x.Body
+	}
+	return nil
+}
+
+func (x *GetOpLogRequest) GetSignature() *Signature {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
+type GetOpLogResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Body      *GetOpLogResponse_Body `protobuf:"bytes,1,opt,name=body,proto3" json:"body,omitempty"`
+	Signature *Signature             `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty"`
+}
+
+func (x *GetOpLogResponse) Reset() {
+	*x = GetOpLogResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_services_tree_service_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetOpLogResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetOpLogResponse) ProtoMessage() {}
+
+func (x *GetOpLogResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_services_tree_service_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetOpLogResponse.ProtoReflect.Descriptor instead.
+func (*GetOpLogResponse) Descriptor() ([]byte, []int) {
+	return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *GetOpLogResponse) GetBody() *GetOpLogResponse_Body {
+	if x != nil {
+		return x.Body
+	}
+	return nil
+}
+
+func (x *GetOpLogResponse) GetSignature() *Signature {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
 type AddRequest_Body struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -805,7 +915,7 @@ type AddRequest_Body struct {
 func (x *AddRequest_Body) Reset() {
 	*x = AddRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[14]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -818,7 +928,7 @@ func (x *AddRequest_Body) String() string {
 func (*AddRequest_Body) ProtoMessage() {}
 
 func (x *AddRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[14]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -880,7 +990,7 @@ type AddResponse_Body struct {
 func (x *AddResponse_Body) Reset() {
 	*x = AddResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[15]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -893,7 +1003,7 @@ func (x *AddResponse_Body) String() string {
 func (*AddResponse_Body) ProtoMessage() {}
 
 func (x *AddResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[15]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -932,7 +1042,7 @@ type AddByPathRequest_Body struct {
 func (x *AddByPathRequest_Body) Reset() {
 	*x = AddByPathRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[16]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -945,7 +1055,7 @@ func (x *AddByPathRequest_Body) String() string {
 func (*AddByPathRequest_Body) ProtoMessage() {}
 
 func (x *AddByPathRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[16]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1015,7 +1125,7 @@ type AddByPathResponse_Body struct {
 func (x *AddByPathResponse_Body) Reset() {
 	*x = AddByPathResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[17]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1028,7 +1138,7 @@ func (x *AddByPathResponse_Body) String() string {
 func (*AddByPathResponse_Body) ProtoMessage() {}
 
 func (x *AddByPathResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[17]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1072,7 +1182,7 @@ type RemoveRequest_Body struct {
 func (x *RemoveRequest_Body) Reset() {
 	*x = RemoveRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[18]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1085,7 +1195,7 @@ func (x *RemoveRequest_Body) String() string {
 func (*RemoveRequest_Body) ProtoMessage() {}
 
 func (x *RemoveRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[18]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1138,7 +1248,7 @@ type RemoveResponse_Body struct {
 func (x *RemoveResponse_Body) Reset() {
 	*x = RemoveResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[19]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1151,7 +1261,7 @@ func (x *RemoveResponse_Body) String() string {
 func (*RemoveResponse_Body) ProtoMessage() {}
 
 func (x *RemoveResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[19]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1184,7 +1294,7 @@ type MoveRequest_Body struct {
 func (x *MoveRequest_Body) Reset() {
 	*x = MoveRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[20]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1197,7 +1307,7 @@ func (x *MoveRequest_Body) String() string {
 func (*MoveRequest_Body) ProtoMessage() {}
 
 func (x *MoveRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[20]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1264,7 +1374,7 @@ type MoveResponse_Body struct {
 func (x *MoveResponse_Body) Reset() {
 	*x = MoveResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[21]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1277,7 +1387,7 @@ func (x *MoveResponse_Body) String() string {
 func (*MoveResponse_Body) ProtoMessage() {}
 
 func (x *MoveResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[21]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1311,7 +1421,7 @@ type GetNodeByPathRequest_Body struct {
 func (x *GetNodeByPathRequest_Body) Reset() {
 	*x = GetNodeByPathRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[22]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1324,7 +1434,7 @@ func (x *GetNodeByPathRequest_Body) String() string {
 func (*GetNodeByPathRequest_Body) ProtoMessage() {}
 
 func (x *GetNodeByPathRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[22]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1409,7 +1519,7 @@ type GetNodeByPathResponse_Info struct {
 func (x *GetNodeByPathResponse_Info) Reset() {
 	*x = GetNodeByPathResponse_Info{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[23]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1422,7 +1532,7 @@ func (x *GetNodeByPathResponse_Info) String() string {
 func (*GetNodeByPathResponse_Info) ProtoMessage() {}
 
 func (x *GetNodeByPathResponse_Info) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[23]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1470,7 +1580,7 @@ type GetNodeByPathResponse_Body struct {
 func (x *GetNodeByPathResponse_Body) Reset() {
 	*x = GetNodeByPathResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[24]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1483,7 +1593,7 @@ func (x *GetNodeByPathResponse_Body) String() string {
 func (*GetNodeByPathResponse_Body) ProtoMessage() {}
 
 func (x *GetNodeByPathResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[24]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1523,7 +1633,7 @@ type GetSubTreeRequest_Body struct {
 func (x *GetSubTreeRequest_Body) Reset() {
 	*x = GetSubTreeRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[25]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1536,7 +1646,7 @@ func (x *GetSubTreeRequest_Body) String() string {
 func (*GetSubTreeRequest_Body) ProtoMessage() {}
 
 func (x *GetSubTreeRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[25]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1601,7 +1711,7 @@ type GetSubTreeResponse_Body struct {
 func (x *GetSubTreeResponse_Body) Reset() {
 	*x = GetSubTreeResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[26]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1614,7 +1724,7 @@ func (x *GetSubTreeResponse_Body) String() string {
 func (*GetSubTreeResponse_Body) ProtoMessage() {}
 
 func (x *GetSubTreeResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[26]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1671,7 +1781,7 @@ type ApplyRequest_Body struct {
 func (x *ApplyRequest_Body) Reset() {
 	*x = ApplyRequest_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[27]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1684,7 +1794,7 @@ func (x *ApplyRequest_Body) String() string {
 func (*ApplyRequest_Body) ProtoMessage() {}
 
 func (x *ApplyRequest_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[27]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1730,7 +1840,7 @@ type ApplyResponse_Body struct {
 func (x *ApplyResponse_Body) Reset() {
 	*x = ApplyResponse_Body{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_services_tree_service_proto_msgTypes[28]
+		mi := &file_pkg_services_tree_service_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1743,7 +1853,7 @@ func (x *ApplyResponse_Body) String() string {
 func (*ApplyResponse_Body) ProtoMessage() {}
 
 func (x *ApplyResponse_Body) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_services_tree_service_proto_msgTypes[28]
+	mi := &file_pkg_services_tree_service_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1759,6 +1869,124 @@ func (*ApplyResponse_Body) Descriptor() ([]byte, []int) {
 	return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{13, 0}
 }
 
+type GetOpLogRequest_Body struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ContainerId []byte `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	TreeId      string `protobuf:"bytes,2,opt,name=tree_id,json=treeId,proto3" json:"tree_id,omitempty"`
+	Height      uint64 `protobuf:"varint,3,opt,name=height,proto3" json:"height,omitempty"`
+	Count       uint64 `protobuf:"varint,4,opt,name=count,proto3" json:"count,omitempty"`
+}
+
+func (x *GetOpLogRequest_Body) Reset() {
+	*x = GetOpLogRequest_Body{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_services_tree_service_proto_msgTypes[31]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetOpLogRequest_Body) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetOpLogRequest_Body) ProtoMessage() {}
+
+func (x *GetOpLogRequest_Body) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_services_tree_service_proto_msgTypes[31]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetOpLogRequest_Body.ProtoReflect.Descriptor instead.
+func (*GetOpLogRequest_Body) Descriptor() ([]byte, []int) {
+	return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{14, 0}
+}
+
+func (x *GetOpLogRequest_Body) GetContainerId() []byte {
+	if x != nil {
+		return x.ContainerId
+	}
+	return nil
+}
+
+func (x *GetOpLogRequest_Body) GetTreeId() string {
+	if x != nil {
+		return x.TreeId
+	}
+	return ""
+}
+
+func (x *GetOpLogRequest_Body) GetHeight() uint64 {
+	if x != nil {
+		return x.Height
+	}
+	return 0
+}
+
+func (x *GetOpLogRequest_Body) GetCount() uint64 {
+	if x != nil {
+		return x.Count
+	}
+	return 0
+}
+
+type GetOpLogResponse_Body struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Operation *LogMove `protobuf:"bytes,1,opt,name=operation,proto3" json:"operation,omitempty"`
+}
+
+func (x *GetOpLogResponse_Body) Reset() {
+	*x = GetOpLogResponse_Body{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_services_tree_service_proto_msgTypes[32]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetOpLogResponse_Body) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetOpLogResponse_Body) ProtoMessage() {}
+
+func (x *GetOpLogResponse_Body) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_services_tree_service_proto_msgTypes[32]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetOpLogResponse_Body.ProtoReflect.Descriptor instead.
+func (*GetOpLogResponse_Body) Descriptor() ([]byte, []int) {
+	return file_pkg_services_tree_service_proto_rawDescGZIP(), []int{15, 0}
+}
+
+func (x *GetOpLogResponse_Body) GetOperation() *LogMove {
+	if x != nil {
+		return x.Operation
+	}
+	return nil
+}
+
 var File_pkg_services_tree_service_proto protoreflect.FileDescriptor
 
 var file_pkg_services_tree_service_proto_rawDesc = []byte{
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+	0x2f, 0x6e, 0x65, 0x6f, 0x66, 0x73, 0x2d, 0x6e, 0x6f, 0x64, 0x65, 0x2f, 0x70, 0x6b, 0x67, 0x2f,
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+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -2012,7 +2269,7 @@ func file_pkg_services_tree_service_proto_rawDescGZIP() []byte {
 	return file_pkg_services_tree_service_proto_rawDescData
 }
 
-var file_pkg_services_tree_service_proto_msgTypes = make([]protoimpl.MessageInfo, 29)
+var file_pkg_services_tree_service_proto_msgTypes = make([]protoimpl.MessageInfo, 33)
 var file_pkg_services_tree_service_proto_goTypes = []interface{}{
 	(*AddRequest)(nil),                 // 0: tree.AddRequest
 	(*AddResponse)(nil),                // 1: tree.AddResponse
@@ -2028,80 +2285,91 @@ var file_pkg_services_tree_service_proto_goTypes = []interface{}{
 	(*GetSubTreeResponse)(nil),         // 11: tree.GetSubTreeResponse
 	(*ApplyRequest)(nil),               // 12: tree.ApplyRequest
 	(*ApplyResponse)(nil),              // 13: tree.ApplyResponse
-	(*AddRequest_Body)(nil),            // 14: tree.AddRequest.Body
-	(*AddResponse_Body)(nil),           // 15: tree.AddResponse.Body
-	(*AddByPathRequest_Body)(nil),      // 16: tree.AddByPathRequest.Body
-	(*AddByPathResponse_Body)(nil),     // 17: tree.AddByPathResponse.Body
-	(*RemoveRequest_Body)(nil),         // 18: tree.RemoveRequest.Body
-	(*RemoveResponse_Body)(nil),        // 19: tree.RemoveResponse.Body
-	(*MoveRequest_Body)(nil),           // 20: tree.MoveRequest.Body
-	(*MoveResponse_Body)(nil),          // 21: tree.MoveResponse.Body
-	(*GetNodeByPathRequest_Body)(nil),  // 22: tree.GetNodeByPathRequest.Body
-	(*GetNodeByPathResponse_Info)(nil), // 23: tree.GetNodeByPathResponse.Info
-	(*GetNodeByPathResponse_Body)(nil), // 24: tree.GetNodeByPathResponse.Body
-	(*GetSubTreeRequest_Body)(nil),     // 25: tree.GetSubTreeRequest.Body
-	(*GetSubTreeResponse_Body)(nil),    // 26: tree.GetSubTreeResponse.Body
-	(*ApplyRequest_Body)(nil),          // 27: tree.ApplyRequest.Body
-	(*ApplyResponse_Body)(nil),         // 28: tree.ApplyResponse.Body
-	(*Signature)(nil),                  // 29: tree.Signature
-	(*KeyValue)(nil),                   // 30: tree.KeyValue
-	(*LogMove)(nil),                    // 31: tree.LogMove
+	(*GetOpLogRequest)(nil),            // 14: tree.GetOpLogRequest
+	(*GetOpLogResponse)(nil),           // 15: tree.GetOpLogResponse
+	(*AddRequest_Body)(nil),            // 16: tree.AddRequest.Body
+	(*AddResponse_Body)(nil),           // 17: tree.AddResponse.Body
+	(*AddByPathRequest_Body)(nil),      // 18: tree.AddByPathRequest.Body
+	(*AddByPathResponse_Body)(nil),     // 19: tree.AddByPathResponse.Body
+	(*RemoveRequest_Body)(nil),         // 20: tree.RemoveRequest.Body
+	(*RemoveResponse_Body)(nil),        // 21: tree.RemoveResponse.Body
+	(*MoveRequest_Body)(nil),           // 22: tree.MoveRequest.Body
+	(*MoveResponse_Body)(nil),          // 23: tree.MoveResponse.Body
+	(*GetNodeByPathRequest_Body)(nil),  // 24: tree.GetNodeByPathRequest.Body
+	(*GetNodeByPathResponse_Info)(nil), // 25: tree.GetNodeByPathResponse.Info
+	(*GetNodeByPathResponse_Body)(nil), // 26: tree.GetNodeByPathResponse.Body
+	(*GetSubTreeRequest_Body)(nil),     // 27: tree.GetSubTreeRequest.Body
+	(*GetSubTreeResponse_Body)(nil),    // 28: tree.GetSubTreeResponse.Body
+	(*ApplyRequest_Body)(nil),          // 29: tree.ApplyRequest.Body
+	(*ApplyResponse_Body)(nil),         // 30: tree.ApplyResponse.Body
+	(*GetOpLogRequest_Body)(nil),       // 31: tree.GetOpLogRequest.Body
+	(*GetOpLogResponse_Body)(nil),      // 32: tree.GetOpLogResponse.Body
+	(*Signature)(nil),                  // 33: tree.Signature
+	(*KeyValue)(nil),                   // 34: tree.KeyValue
+	(*LogMove)(nil),                    // 35: tree.LogMove
 }
 var file_pkg_services_tree_service_proto_depIdxs = []int32{
-	14, // 0: tree.AddRequest.body:type_name -> tree.AddRequest.Body
-	29, // 1: tree.AddRequest.signature:type_name -> tree.Signature
-	15, // 2: tree.AddResponse.body:type_name -> tree.AddResponse.Body
-	29, // 3: tree.AddResponse.signature:type_name -> tree.Signature
-	16, // 4: tree.AddByPathRequest.body:type_name -> tree.AddByPathRequest.Body
-	29, // 5: tree.AddByPathRequest.signature:type_name -> tree.Signature
-	17, // 6: tree.AddByPathResponse.body:type_name -> tree.AddByPathResponse.Body
-	29, // 7: tree.AddByPathResponse.signature:type_name -> tree.Signature
-	18, // 8: tree.RemoveRequest.body:type_name -> tree.RemoveRequest.Body
-	29, // 9: tree.RemoveRequest.signature:type_name -> tree.Signature
-	19, // 10: tree.RemoveResponse.body:type_name -> tree.RemoveResponse.Body
-	29, // 11: tree.RemoveResponse.signature:type_name -> tree.Signature
-	20, // 12: tree.MoveRequest.body:type_name -> tree.MoveRequest.Body
-	29, // 13: tree.MoveRequest.signature:type_name -> tree.Signature
-	21, // 14: tree.MoveResponse.body:type_name -> tree.MoveResponse.Body
-	29, // 15: tree.MoveResponse.signature:type_name -> tree.Signature
-	22, // 16: tree.GetNodeByPathRequest.body:type_name -> tree.GetNodeByPathRequest.Body
-	29, // 17: tree.GetNodeByPathRequest.signature:type_name -> tree.Signature
-	24, // 18: tree.GetNodeByPathResponse.body:type_name -> tree.GetNodeByPathResponse.Body
-	29, // 19: tree.GetNodeByPathResponse.signature:type_name -> tree.Signature
-	25, // 20: tree.GetSubTreeRequest.body:type_name -> tree.GetSubTreeRequest.Body
-	29, // 21: tree.GetSubTreeRequest.signature:type_name -> tree.Signature
-	26, // 22: tree.GetSubTreeResponse.body:type_name -> tree.GetSubTreeResponse.Body
-	29, // 23: tree.GetSubTreeResponse.signature:type_name -> tree.Signature
-	27, // 24: tree.ApplyRequest.body:type_name -> tree.ApplyRequest.Body
-	29, // 25: tree.ApplyRequest.signature:type_name -> tree.Signature
-	28, // 26: tree.ApplyResponse.body:type_name -> tree.ApplyResponse.Body
-	29, // 27: tree.ApplyResponse.signature:type_name -> tree.Signature
-	30, // 28: tree.AddRequest.Body.meta:type_name -> tree.KeyValue
-	30, // 29: tree.AddByPathRequest.Body.meta:type_name -> tree.KeyValue
-	30, // 30: tree.MoveRequest.Body.meta:type_name -> tree.KeyValue
-	30, // 31: tree.GetNodeByPathResponse.Info.meta:type_name -> tree.KeyValue
-	23, // 32: tree.GetNodeByPathResponse.Body.nodes:type_name -> tree.GetNodeByPathResponse.Info
-	30, // 33: tree.GetSubTreeResponse.Body.meta:type_name -> tree.KeyValue
-	31, // 34: tree.ApplyRequest.Body.operation:type_name -> tree.LogMove
-	0,  // 35: tree.TreeService.Add:input_type -> tree.AddRequest
-	2,  // 36: tree.TreeService.AddByPath:input_type -> tree.AddByPathRequest
-	4,  // 37: tree.TreeService.Remove:input_type -> tree.RemoveRequest
-	6,  // 38: tree.TreeService.Move:input_type -> tree.MoveRequest
-	8,  // 39: tree.TreeService.GetNodeByPath:input_type -> tree.GetNodeByPathRequest
-	10, // 40: tree.TreeService.GetSubTree:input_type -> tree.GetSubTreeRequest
-	12, // 41: tree.TreeService.Apply:input_type -> tree.ApplyRequest
-	1,  // 42: tree.TreeService.Add:output_type -> tree.AddResponse
-	3,  // 43: tree.TreeService.AddByPath:output_type -> tree.AddByPathResponse
-	5,  // 44: tree.TreeService.Remove:output_type -> tree.RemoveResponse
-	7,  // 45: tree.TreeService.Move:output_type -> tree.MoveResponse
-	9,  // 46: tree.TreeService.GetNodeByPath:output_type -> tree.GetNodeByPathResponse
-	11, // 47: tree.TreeService.GetSubTree:output_type -> tree.GetSubTreeResponse
-	13, // 48: tree.TreeService.Apply:output_type -> tree.ApplyResponse
-	42, // [42:49] is the sub-list for method output_type
-	35, // [35:42] is the sub-list for method input_type
-	35, // [35:35] is the sub-list for extension type_name
-	35, // [35:35] is the sub-list for extension extendee
-	0,  // [0:35] is the sub-list for field type_name
+	16, // 0: tree.AddRequest.body:type_name -> tree.AddRequest.Body
+	33, // 1: tree.AddRequest.signature:type_name -> tree.Signature
+	17, // 2: tree.AddResponse.body:type_name -> tree.AddResponse.Body
+	33, // 3: tree.AddResponse.signature:type_name -> tree.Signature
+	18, // 4: tree.AddByPathRequest.body:type_name -> tree.AddByPathRequest.Body
+	33, // 5: tree.AddByPathRequest.signature:type_name -> tree.Signature
+	19, // 6: tree.AddByPathResponse.body:type_name -> tree.AddByPathResponse.Body
+	33, // 7: tree.AddByPathResponse.signature:type_name -> tree.Signature
+	20, // 8: tree.RemoveRequest.body:type_name -> tree.RemoveRequest.Body
+	33, // 9: tree.RemoveRequest.signature:type_name -> tree.Signature
+	21, // 10: tree.RemoveResponse.body:type_name -> tree.RemoveResponse.Body
+	33, // 11: tree.RemoveResponse.signature:type_name -> tree.Signature
+	22, // 12: tree.MoveRequest.body:type_name -> tree.MoveRequest.Body
+	33, // 13: tree.MoveRequest.signature:type_name -> tree.Signature
+	23, // 14: tree.MoveResponse.body:type_name -> tree.MoveResponse.Body
+	33, // 15: tree.MoveResponse.signature:type_name -> tree.Signature
+	24, // 16: tree.GetNodeByPathRequest.body:type_name -> tree.GetNodeByPathRequest.Body
+	33, // 17: tree.GetNodeByPathRequest.signature:type_name -> tree.Signature
+	26, // 18: tree.GetNodeByPathResponse.body:type_name -> tree.GetNodeByPathResponse.Body
+	33, // 19: tree.GetNodeByPathResponse.signature:type_name -> tree.Signature
+	27, // 20: tree.GetSubTreeRequest.body:type_name -> tree.GetSubTreeRequest.Body
+	33, // 21: tree.GetSubTreeRequest.signature:type_name -> tree.Signature
+	28, // 22: tree.GetSubTreeResponse.body:type_name -> tree.GetSubTreeResponse.Body
+	33, // 23: tree.GetSubTreeResponse.signature:type_name -> tree.Signature
+	29, // 24: tree.ApplyRequest.body:type_name -> tree.ApplyRequest.Body
+	33, // 25: tree.ApplyRequest.signature:type_name -> tree.Signature
+	30, // 26: tree.ApplyResponse.body:type_name -> tree.ApplyResponse.Body
+	33, // 27: tree.ApplyResponse.signature:type_name -> tree.Signature
+	31, // 28: tree.GetOpLogRequest.body:type_name -> tree.GetOpLogRequest.Body
+	33, // 29: tree.GetOpLogRequest.signature:type_name -> tree.Signature
+	32, // 30: tree.GetOpLogResponse.body:type_name -> tree.GetOpLogResponse.Body
+	33, // 31: tree.GetOpLogResponse.signature:type_name -> tree.Signature
+	34, // 32: tree.AddRequest.Body.meta:type_name -> tree.KeyValue
+	34, // 33: tree.AddByPathRequest.Body.meta:type_name -> tree.KeyValue
+	34, // 34: tree.MoveRequest.Body.meta:type_name -> tree.KeyValue
+	34, // 35: tree.GetNodeByPathResponse.Info.meta:type_name -> tree.KeyValue
+	25, // 36: tree.GetNodeByPathResponse.Body.nodes:type_name -> tree.GetNodeByPathResponse.Info
+	34, // 37: tree.GetSubTreeResponse.Body.meta:type_name -> tree.KeyValue
+	35, // 38: tree.ApplyRequest.Body.operation:type_name -> tree.LogMove
+	35, // 39: tree.GetOpLogResponse.Body.operation:type_name -> tree.LogMove
+	0,  // 40: tree.TreeService.Add:input_type -> tree.AddRequest
+	2,  // 41: tree.TreeService.AddByPath:input_type -> tree.AddByPathRequest
+	4,  // 42: tree.TreeService.Remove:input_type -> tree.RemoveRequest
+	6,  // 43: tree.TreeService.Move:input_type -> tree.MoveRequest
+	8,  // 44: tree.TreeService.GetNodeByPath:input_type -> tree.GetNodeByPathRequest
+	10, // 45: tree.TreeService.GetSubTree:input_type -> tree.GetSubTreeRequest
+	12, // 46: tree.TreeService.Apply:input_type -> tree.ApplyRequest
+	14, // 47: tree.TreeService.GetOpLog:input_type -> tree.GetOpLogRequest
+	1,  // 48: tree.TreeService.Add:output_type -> tree.AddResponse
+	3,  // 49: tree.TreeService.AddByPath:output_type -> tree.AddByPathResponse
+	5,  // 50: tree.TreeService.Remove:output_type -> tree.RemoveResponse
+	7,  // 51: tree.TreeService.Move:output_type -> tree.MoveResponse
+	9,  // 52: tree.TreeService.GetNodeByPath:output_type -> tree.GetNodeByPathResponse
+	11, // 53: tree.TreeService.GetSubTree:output_type -> tree.GetSubTreeResponse
+	13, // 54: tree.TreeService.Apply:output_type -> tree.ApplyResponse
+	15, // 55: tree.TreeService.GetOpLog:output_type -> tree.GetOpLogResponse
+	48, // [48:56] is the sub-list for method output_type
+	40, // [40:48] is the sub-list for method input_type
+	40, // [40:40] is the sub-list for extension type_name
+	40, // [40:40] is the sub-list for extension extendee
+	0,  // [0:40] is the sub-list for field type_name
 }
 
 func init() { file_pkg_services_tree_service_proto_init() }
@@ -2280,7 +2548,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddRequest_Body); i {
+			switch v := v.(*GetOpLogRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2292,7 +2560,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddResponse_Body); i {
+			switch v := v.(*GetOpLogResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2304,7 +2572,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddByPathRequest_Body); i {
+			switch v := v.(*AddRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2316,7 +2584,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AddByPathResponse_Body); i {
+			switch v := v.(*AddResponse_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2328,7 +2596,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RemoveRequest_Body); i {
+			switch v := v.(*AddByPathRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2340,7 +2608,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RemoveResponse_Body); i {
+			switch v := v.(*AddByPathResponse_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2352,7 +2620,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MoveRequest_Body); i {
+			switch v := v.(*RemoveRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2364,7 +2632,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MoveResponse_Body); i {
+			switch v := v.(*RemoveResponse_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2376,7 +2644,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetNodeByPathRequest_Body); i {
+			switch v := v.(*MoveRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2388,7 +2656,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetNodeByPathResponse_Info); i {
+			switch v := v.(*MoveResponse_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2400,7 +2668,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetNodeByPathResponse_Body); i {
+			switch v := v.(*GetNodeByPathRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2412,7 +2680,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetSubTreeRequest_Body); i {
+			switch v := v.(*GetNodeByPathResponse_Info); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2424,7 +2692,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetSubTreeResponse_Body); i {
+			switch v := v.(*GetNodeByPathResponse_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2436,7 +2704,7 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ApplyRequest_Body); i {
+			switch v := v.(*GetSubTreeRequest_Body); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2448,6 +2716,30 @@ func file_pkg_services_tree_service_proto_init() {
 			}
 		}
 		file_pkg_services_tree_service_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetSubTreeResponse_Body); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_services_tree_service_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApplyRequest_Body); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_services_tree_service_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ApplyResponse_Body); i {
 			case 0:
 				return &v.state
@@ -2459,6 +2751,30 @@ func file_pkg_services_tree_service_proto_init() {
 				return nil
 			}
 		}
+		file_pkg_services_tree_service_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetOpLogRequest_Body); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_services_tree_service_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetOpLogResponse_Body); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -2466,7 +2782,7 @@ func file_pkg_services_tree_service_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_services_tree_service_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   29,
+			NumMessages:   33,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

pkg/services/tree/service.proto

@@ -28,6 +28,7 @@ service TreeService {
   // Apply pushes log operation from another node to the current.
   // The request must be signed by a container node.
   rpc Apply (ApplyRequest) returns (ApplyResponse);
+  rpc GetOpLog(GetOpLogRequest) returns (stream GetOpLogResponse);
 }
 
 message AddRequest {
@@ -200,3 +201,25 @@ message ApplyResponse {
   Body body = 1;
   Signature signature = 2;
 };
+
+
+message GetOpLogRequest {
+  message Body {
+    bytes container_id = 1;
+    string tree_id = 2;
+    uint64 height = 3;
+    uint64 count = 4;
+  }
+
+  Body body = 1;
+  Signature signature = 2;
+}
+
+message GetOpLogResponse {
+  message Body {
+    LogMove operation = 1;
+  }
+
+  Body body = 1;
+  Signature signature = 2;
+};

pkg/services/tree/service_grpc.pb.go

@@ -37,6 +37,7 @@ type TreeServiceClient interface {
 	// Apply pushes log operation from another node to the current.
 	// The request must be signed by a container node.
 	Apply(ctx context.Context, in *ApplyRequest, opts ...grpc.CallOption) (*ApplyResponse, error)
+	GetOpLog(ctx context.Context, in *GetOpLogRequest, opts ...grpc.CallOption) (TreeService_GetOpLogClient, error)
 }
 
 type treeServiceClient struct {
@@ -133,6 +134,38 @@ func (c *treeServiceClient) Apply(ctx context.Context, in *ApplyRequest, opts ..
 	return out, nil
 }
 
+func (c *treeServiceClient) GetOpLog(ctx context.Context, in *GetOpLogRequest, opts ...grpc.CallOption) (TreeService_GetOpLogClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TreeService_ServiceDesc.Streams[1], "/tree.TreeService/GetOpLog", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &treeServiceGetOpLogClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type TreeService_GetOpLogClient interface {
+	Recv() (*GetOpLogResponse, error)
+	grpc.ClientStream
+}
+
+type treeServiceGetOpLogClient struct {
+	grpc.ClientStream
+}
+
+func (x *treeServiceGetOpLogClient) Recv() (*GetOpLogResponse, error) {
+	m := new(GetOpLogResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // TreeServiceServer is the server API for TreeService service.
 // All implementations should embed UnimplementedTreeServiceServer
 // for forward compatibility
@@ -152,6 +185,7 @@ type TreeServiceServer interface {
 	// Apply pushes log operation from another node to the current.
 	// The request must be signed by a container node.
 	Apply(context.Context, *ApplyRequest) (*ApplyResponse, error)
+	GetOpLog(*GetOpLogRequest, TreeService_GetOpLogServer) error
 }
 
 // UnimplementedTreeServiceServer should be embedded to have forward compatible implementations.
@@ -179,6 +213,9 @@ func (UnimplementedTreeServiceServer) GetSubTree(*GetSubTreeRequest, TreeService
 func (UnimplementedTreeServiceServer) Apply(context.Context, *ApplyRequest) (*ApplyResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Apply not implemented")
 }
+func (UnimplementedTreeServiceServer) GetOpLog(*GetOpLogRequest, TreeService_GetOpLogServer) error {
+	return status.Errorf(codes.Unimplemented, "method GetOpLog not implemented")
+}
 
 // UnsafeTreeServiceServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to TreeServiceServer will
@@ -320,6 +357,27 @@ func _TreeService_Apply_Handler(srv interface{}, ctx context.Context, dec func(i
 	return interceptor(ctx, in, info, handler)
 }
 
+func _TreeService_GetOpLog_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(GetOpLogRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(TreeServiceServer).GetOpLog(m, &treeServiceGetOpLogServer{stream})
+}
+
+type TreeService_GetOpLogServer interface {
+	Send(*GetOpLogResponse) error
+	grpc.ServerStream
+}
+
+type treeServiceGetOpLogServer struct {
+	grpc.ServerStream
+}
+
+func (x *treeServiceGetOpLogServer) Send(m *GetOpLogResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 // TreeService_ServiceDesc is the grpc.ServiceDesc for TreeService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -358,6 +416,11 @@ var TreeService_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _TreeService_GetSubTree_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "GetOpLog",
+			Handler:       _TreeService_GetOpLog_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "pkg/services/tree/service.proto",
 }

pkg/services/tree/service_neofs.pb.go

@@ -1222,3 +1222,169 @@ func (x *ApplyResponse) ReadSignedData(buf []byte) ([]byte, error) {
 func (x *ApplyResponse) SetSignature(sig *Signature) {
 	x.Signature = sig
 }
+
+// StableSize returns the size of x in protobuf format.
+//
+// Structures with the same field values have the same binary size.
+func (x *GetOpLogRequest_Body) StableSize() (size int) {
+	size += proto.BytesSize(1, x.ContainerId)
+	size += proto.StringSize(2, x.TreeId)
+	size += proto.UInt64Size(3, x.Height)
+	size += proto.UInt64Size(4, x.Count)
+	return size
+}
+
+// StableMarshal marshals x in protobuf binary format with stable field order.
+//
+// If buffer length is less than x.StableSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same binary format.
+func (x *GetOpLogRequest_Body) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+	var offset int
+	offset += proto.BytesMarshal(1, buf[offset:], x.ContainerId)
+	offset += proto.StringMarshal(2, buf[offset:], x.TreeId)
+	offset += proto.UInt64Marshal(3, buf[offset:], x.Height)
+	offset += proto.UInt64Marshal(4, buf[offset:], x.Count)
+	return buf
+}
+
+// StableSize returns the size of x in protobuf format.
+//
+// Structures with the same field values have the same binary size.
+func (x *GetOpLogRequest) StableSize() (size int) {
+	size += proto.NestedStructureSize(1, x.Body)
+	size += proto.NestedStructureSize(2, x.Signature)
+	return size
+}
+
+// StableMarshal marshals x in protobuf binary format with stable field order.
+//
+// If buffer length is less than x.StableSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same binary format.
+func (x *GetOpLogRequest) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+	var offset int
+	offset += proto.NestedStructureMarshal(1, buf[offset:], x.Body)
+	offset += proto.NestedStructureMarshal(2, buf[offset:], x.Signature)
+	return buf
+}
+
+// ReadSignedData fills buf with signed data of x.
+// If buffer length is less than x.SignedDataSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same signed data.
+func (x *GetOpLogRequest) SignedDataSize() int {
+	return x.GetBody().StableSize()
+}
+
+// SignedDataSize returns size of the request signed data in bytes.
+//
+// Structures with the same field values have the same signed data size.
+func (x *GetOpLogRequest) ReadSignedData(buf []byte) ([]byte, error) {
+	return x.GetBody().StableMarshal(buf), nil
+}
+
+func (x *GetOpLogRequest) SetSignature(sig *Signature) {
+	x.Signature = sig
+}
+
+// StableSize returns the size of x in protobuf format.
+//
+// Structures with the same field values have the same binary size.
+func (x *GetOpLogResponse_Body) StableSize() (size int) {
+	size += proto.NestedStructureSize(1, x.Operation)
+	return size
+}
+
+// StableMarshal marshals x in protobuf binary format with stable field order.
+//
+// If buffer length is less than x.StableSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same binary format.
+func (x *GetOpLogResponse_Body) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+	var offset int
+	offset += proto.NestedStructureMarshal(1, buf[offset:], x.Operation)
+	return buf
+}
+
+// StableSize returns the size of x in protobuf format.
+//
+// Structures with the same field values have the same binary size.
+func (x *GetOpLogResponse) StableSize() (size int) {
+	size += proto.NestedStructureSize(1, x.Body)
+	size += proto.NestedStructureSize(2, x.Signature)
+	return size
+}
+
+// StableMarshal marshals x in protobuf binary format with stable field order.
+//
+// If buffer length is less than x.StableSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same binary format.
+func (x *GetOpLogResponse) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+	var offset int
+	offset += proto.NestedStructureMarshal(1, buf[offset:], x.Body)
+	offset += proto.NestedStructureMarshal(2, buf[offset:], x.Signature)
+	return buf
+}
+
+// ReadSignedData fills buf with signed data of x.
+// If buffer length is less than x.SignedDataSize(), new buffer is allocated.
+//
+// Returns any error encountered which did not allow writing the data completely.
+// Otherwise, returns the buffer in which the data is written.
+//
+// Structures with the same field values have the same signed data.
+func (x *GetOpLogResponse) SignedDataSize() int {
+	return x.GetBody().StableSize()
+}
+
+// SignedDataSize returns size of the request signed data in bytes.
+//
+// Structures with the same field values have the same signed data size.
+func (x *GetOpLogResponse) ReadSignedData(buf []byte) ([]byte, error) {
+	return x.GetBody().StableMarshal(buf), nil
+}
+
+func (x *GetOpLogResponse) SetSignature(sig *Signature) {
+	x.Signature = sig
+}