diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
index ddd892bbf..d4be19e31 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
@@ -131,6 +131,140 @@ func (x *CalculateHashResponse) GetMessage() string {
 	return ""
 }
 
+type CommitRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Allocation   string `protobuf:"bytes,1,opt,name=allocation,proto3" json:"allocation,omitempty"`
+	ConnectionId string `protobuf:"bytes,2,opt,name=connection_id,json=connectionId,proto3" json:"connection_id,omitempty"`
+	WriteMarker  string `protobuf:"bytes,3,opt,name=write_marker,json=writeMarker,proto3" json:"write_marker,omitempty"`
+}
+
+func (x *CommitRequest) Reset() {
+	*x = CommitRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_blobber_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CommitRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitRequest) ProtoMessage() {}
+
+func (x *CommitRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_blobber_proto_msgTypes[2]
+	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 CommitRequest.ProtoReflect.Descriptor instead.
+func (*CommitRequest) Descriptor() ([]byte, []int) {
+	return file_blobber_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CommitRequest) GetAllocation() string {
+	if x != nil {
+		return x.Allocation
+	}
+	return ""
+}
+
+func (x *CommitRequest) GetConnectionId() string {
+	if x != nil {
+		return x.ConnectionId
+	}
+	return ""
+}
+
+func (x *CommitRequest) GetWriteMarker() string {
+	if x != nil {
+		return x.WriteMarker
+	}
+	return ""
+}
+
+type CommitResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AllocationRoot string       `protobuf:"bytes,1,opt,name=allocation_root,json=allocationRoot,proto3" json:"allocation_root,omitempty"`
+	WriteMarker    *WriteMarker `protobuf:"bytes,2,opt,name=write_marker,json=writeMarker,proto3" json:"write_marker,omitempty"`
+	ErrorMessage   string       `protobuf:"bytes,3,opt,name=error_message,json=errorMessage,proto3" json:"error_message,omitempty"`
+	Success        bool         `protobuf:"varint,4,opt,name=success,proto3" json:"success,omitempty"`
+}
+
+func (x *CommitResponse) Reset() {
+	*x = CommitResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_blobber_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CommitResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitResponse) ProtoMessage() {}
+
+func (x *CommitResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_blobber_proto_msgTypes[3]
+	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 CommitResponse.ProtoReflect.Descriptor instead.
+func (*CommitResponse) Descriptor() ([]byte, []int) {
+	return file_blobber_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *CommitResponse) GetAllocationRoot() string {
+	if x != nil {
+		return x.AllocationRoot
+	}
+	return ""
+}
+
+func (x *CommitResponse) GetWriteMarker() *WriteMarker {
+	if x != nil {
+		return x.WriteMarker
+	}
+	return nil
+}
+
+func (x *CommitResponse) GetErrorMessage() string {
+	if x != nil {
+		return x.ErrorMessage
+	}
+	return ""
+}
+
+func (x *CommitResponse) GetSuccess() bool {
+	if x != nil {
+		return x.Success
+	}
+	return false
+}
+
 type GetObjectTreeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -143,7 +277,7 @@ type GetObjectTreeRequest struct {
 func (x *GetObjectTreeRequest) Reset() {
 	*x = GetObjectTreeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[2]
+		mi := &file_blobber_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -156,7 +290,7 @@ func (x *GetObjectTreeRequest) String() string {
 func (*GetObjectTreeRequest) ProtoMessage() {}
 
 func (x *GetObjectTreeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[2]
+	mi := &file_blobber_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -169,7 +303,7 @@ func (x *GetObjectTreeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectTreeRequest.ProtoReflect.Descriptor instead.
 func (*GetObjectTreeRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{2}
+	return file_blobber_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *GetObjectTreeRequest) GetPath() string {
@@ -198,7 +332,7 @@ type GetObjectTreeResponse struct {
 func (x *GetObjectTreeResponse) Reset() {
 	*x = GetObjectTreeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[3]
+		mi := &file_blobber_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -211,7 +345,7 @@ func (x *GetObjectTreeResponse) String() string {
 func (*GetObjectTreeResponse) ProtoMessage() {}
 
 func (x *GetObjectTreeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[3]
+	mi := &file_blobber_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -224,7 +358,7 @@ func (x *GetObjectTreeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectTreeResponse.ProtoReflect.Descriptor instead.
 func (*GetObjectTreeResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{3}
+	return file_blobber_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *GetObjectTreeResponse) GetReferencePath() *ReferencePath {
@@ -254,7 +388,7 @@ type GetReferencePathRequest struct {
 func (x *GetReferencePathRequest) Reset() {
 	*x = GetReferencePathRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[4]
+		mi := &file_blobber_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -267,7 +401,7 @@ func (x *GetReferencePathRequest) String() string {
 func (*GetReferencePathRequest) ProtoMessage() {}
 
 func (x *GetReferencePathRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[4]
+	mi := &file_blobber_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -280,7 +414,7 @@ func (x *GetReferencePathRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetReferencePathRequest.ProtoReflect.Descriptor instead.
 func (*GetReferencePathRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{4}
+	return file_blobber_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *GetReferencePathRequest) GetPaths() string {
@@ -316,7 +450,7 @@ type GetReferencePathResponse struct {
 func (x *GetReferencePathResponse) Reset() {
 	*x = GetReferencePathResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[5]
+		mi := &file_blobber_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -329,7 +463,7 @@ func (x *GetReferencePathResponse) String() string {
 func (*GetReferencePathResponse) ProtoMessage() {}
 
 func (x *GetReferencePathResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[5]
+	mi := &file_blobber_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -342,7 +476,7 @@ func (x *GetReferencePathResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetReferencePathResponse.ProtoReflect.Descriptor instead.
 func (*GetReferencePathResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{5}
+	return file_blobber_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *GetReferencePathResponse) GetReferencePath() *ReferencePath {
@@ -371,7 +505,7 @@ type ReferencePath struct {
 func (x *ReferencePath) Reset() {
 	*x = ReferencePath{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[6]
+		mi := &file_blobber_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -384,7 +518,7 @@ func (x *ReferencePath) String() string {
 func (*ReferencePath) ProtoMessage() {}
 
 func (x *ReferencePath) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[6]
+	mi := &file_blobber_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -397,7 +531,7 @@ func (x *ReferencePath) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReferencePath.ProtoReflect.Descriptor instead.
 func (*ReferencePath) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{6}
+	return file_blobber_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *ReferencePath) GetMetaData() *FileRef {
@@ -427,7 +561,7 @@ type GetObjectPathRequest struct {
 func (x *GetObjectPathRequest) Reset() {
 	*x = GetObjectPathRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[7]
+		mi := &file_blobber_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -440,7 +574,7 @@ func (x *GetObjectPathRequest) String() string {
 func (*GetObjectPathRequest) ProtoMessage() {}
 
 func (x *GetObjectPathRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[7]
+	mi := &file_blobber_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -453,7 +587,7 @@ func (x *GetObjectPathRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectPathRequest.ProtoReflect.Descriptor instead.
 func (*GetObjectPathRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{7}
+	return file_blobber_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *GetObjectPathRequest) GetAllocation() string {
@@ -489,7 +623,7 @@ type GetObjectPathResponse struct {
 func (x *GetObjectPathResponse) Reset() {
 	*x = GetObjectPathResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[8]
+		mi := &file_blobber_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -502,7 +636,7 @@ func (x *GetObjectPathResponse) String() string {
 func (*GetObjectPathResponse) ProtoMessage() {}
 
 func (x *GetObjectPathResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[8]
+	mi := &file_blobber_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -515,7 +649,7 @@ func (x *GetObjectPathResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetObjectPathResponse.ProtoReflect.Descriptor instead.
 func (*GetObjectPathResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{8}
+	return file_blobber_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *GetObjectPathResponse) GetObjectPath() *ObjectPath {
@@ -547,7 +681,7 @@ type ObjectPath struct {
 func (x *ObjectPath) Reset() {
 	*x = ObjectPath{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[9]
+		mi := &file_blobber_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -560,7 +694,7 @@ func (x *ObjectPath) String() string {
 func (*ObjectPath) ProtoMessage() {}
 
 func (x *ObjectPath) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[9]
+	mi := &file_blobber_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -573,7 +707,7 @@ func (x *ObjectPath) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ObjectPath.ProtoReflect.Descriptor instead.
 func (*ObjectPath) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{9}
+	return file_blobber_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *ObjectPath) GetRootHash() string {
@@ -629,7 +763,7 @@ type WriteMarker struct {
 func (x *WriteMarker) Reset() {
 	*x = WriteMarker{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[10]
+		mi := &file_blobber_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -642,7 +776,7 @@ func (x *WriteMarker) String() string {
 func (*WriteMarker) ProtoMessage() {}
 
 func (x *WriteMarker) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[10]
+	mi := &file_blobber_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -655,7 +789,7 @@ func (x *WriteMarker) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use WriteMarker.ProtoReflect.Descriptor instead.
 func (*WriteMarker) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{10}
+	return file_blobber_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *WriteMarker) GetAllocationRoot() string {
@@ -728,7 +862,7 @@ type ListEntitiesRequest struct {
 func (x *ListEntitiesRequest) Reset() {
 	*x = ListEntitiesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[11]
+		mi := &file_blobber_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -741,7 +875,7 @@ func (x *ListEntitiesRequest) String() string {
 func (*ListEntitiesRequest) ProtoMessage() {}
 
 func (x *ListEntitiesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[11]
+	mi := &file_blobber_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -754,7 +888,7 @@ func (x *ListEntitiesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListEntitiesRequest.ProtoReflect.Descriptor instead.
 func (*ListEntitiesRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{11}
+	return file_blobber_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *ListEntitiesRequest) GetPath() string {
@@ -798,7 +932,7 @@ type ListEntitiesResponse struct {
 func (x *ListEntitiesResponse) Reset() {
 	*x = ListEntitiesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[12]
+		mi := &file_blobber_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -811,7 +945,7 @@ func (x *ListEntitiesResponse) String() string {
 func (*ListEntitiesResponse) ProtoMessage() {}
 
 func (x *ListEntitiesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[12]
+	mi := &file_blobber_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -824,7 +958,7 @@ func (x *ListEntitiesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListEntitiesResponse.ProtoReflect.Descriptor instead.
 func (*ListEntitiesResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{12}
+	return file_blobber_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *ListEntitiesResponse) GetAllocationRoot() string {
@@ -861,7 +995,7 @@ type GetFileStatsRequest struct {
 func (x *GetFileStatsRequest) Reset() {
 	*x = GetFileStatsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[13]
+		mi := &file_blobber_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -874,7 +1008,7 @@ func (x *GetFileStatsRequest) String() string {
 func (*GetFileStatsRequest) ProtoMessage() {}
 
 func (x *GetFileStatsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[13]
+	mi := &file_blobber_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -887,7 +1021,7 @@ func (x *GetFileStatsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetFileStatsRequest.ProtoReflect.Descriptor instead.
 func (*GetFileStatsRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{13}
+	return file_blobber_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *GetFileStatsRequest) GetPath() string {
@@ -923,7 +1057,7 @@ type GetFileStatsResponse struct {
 func (x *GetFileStatsResponse) Reset() {
 	*x = GetFileStatsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[14]
+		mi := &file_blobber_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -936,7 +1070,7 @@ func (x *GetFileStatsResponse) String() string {
 func (*GetFileStatsResponse) ProtoMessage() {}
 
 func (x *GetFileStatsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[14]
+	mi := &file_blobber_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -949,7 +1083,7 @@ func (x *GetFileStatsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetFileStatsResponse.ProtoReflect.Descriptor instead.
 func (*GetFileStatsResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{14}
+	return file_blobber_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *GetFileStatsResponse) GetMetaData() *FileRef {
@@ -986,7 +1120,7 @@ type FileStats struct {
 func (x *FileStats) Reset() {
 	*x = FileStats{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[15]
+		mi := &file_blobber_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -999,7 +1133,7 @@ func (x *FileStats) String() string {
 func (*FileStats) ProtoMessage() {}
 
 func (x *FileStats) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[15]
+	mi := &file_blobber_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1012,7 +1146,7 @@ func (x *FileStats) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileStats.ProtoReflect.Descriptor instead.
 func (*FileStats) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{15}
+	return file_blobber_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *FileStats) GetID() int64 {
@@ -1099,7 +1233,7 @@ type GetFileMetaDataRequest struct {
 func (x *GetFileMetaDataRequest) Reset() {
 	*x = GetFileMetaDataRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[16]
+		mi := &file_blobber_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1112,7 +1246,7 @@ func (x *GetFileMetaDataRequest) String() string {
 func (*GetFileMetaDataRequest) ProtoMessage() {}
 
 func (x *GetFileMetaDataRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[16]
+	mi := &file_blobber_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1125,7 +1259,7 @@ func (x *GetFileMetaDataRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetFileMetaDataRequest.ProtoReflect.Descriptor instead.
 func (*GetFileMetaDataRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{16}
+	return file_blobber_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *GetFileMetaDataRequest) GetPath() string {
@@ -1168,7 +1302,7 @@ type GetFileMetaDataResponse struct {
 func (x *GetFileMetaDataResponse) Reset() {
 	*x = GetFileMetaDataResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[17]
+		mi := &file_blobber_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1181,7 +1315,7 @@ func (x *GetFileMetaDataResponse) String() string {
 func (*GetFileMetaDataResponse) ProtoMessage() {}
 
 func (x *GetFileMetaDataResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[17]
+	mi := &file_blobber_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1194,7 +1328,7 @@ func (x *GetFileMetaDataResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetFileMetaDataResponse.ProtoReflect.Descriptor instead.
 func (*GetFileMetaDataResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{17}
+	return file_blobber_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *GetFileMetaDataResponse) GetMetaData() *FileRef {
@@ -1224,7 +1358,7 @@ type CommitMetaTxn struct {
 func (x *CommitMetaTxn) Reset() {
 	*x = CommitMetaTxn{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[18]
+		mi := &file_blobber_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1237,7 +1371,7 @@ func (x *CommitMetaTxn) String() string {
 func (*CommitMetaTxn) ProtoMessage() {}
 
 func (x *CommitMetaTxn) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[18]
+	mi := &file_blobber_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1250,7 +1384,7 @@ func (x *CommitMetaTxn) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CommitMetaTxn.ProtoReflect.Descriptor instead.
 func (*CommitMetaTxn) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{18}
+	return file_blobber_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *CommitMetaTxn) GetRefId() int64 {
@@ -1287,7 +1421,7 @@ type Collaborator struct {
 func (x *Collaborator) Reset() {
 	*x = Collaborator{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[19]
+		mi := &file_blobber_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1300,7 +1434,7 @@ func (x *Collaborator) String() string {
 func (*Collaborator) ProtoMessage() {}
 
 func (x *Collaborator) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[19]
+	mi := &file_blobber_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1313,7 +1447,7 @@ func (x *Collaborator) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Collaborator.ProtoReflect.Descriptor instead.
 func (*Collaborator) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{19}
+	return file_blobber_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *Collaborator) GetRefId() int64 {
@@ -1348,7 +1482,7 @@ type GetAllocationRequest struct {
 func (x *GetAllocationRequest) Reset() {
 	*x = GetAllocationRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[20]
+		mi := &file_blobber_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1361,7 +1495,7 @@ func (x *GetAllocationRequest) String() string {
 func (*GetAllocationRequest) ProtoMessage() {}
 
 func (x *GetAllocationRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[20]
+	mi := &file_blobber_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1374,7 +1508,7 @@ func (x *GetAllocationRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetAllocationRequest.ProtoReflect.Descriptor instead.
 func (*GetAllocationRequest) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{20}
+	return file_blobber_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *GetAllocationRequest) GetId() string {
@@ -1395,7 +1529,7 @@ type GetAllocationResponse struct {
 func (x *GetAllocationResponse) Reset() {
 	*x = GetAllocationResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[21]
+		mi := &file_blobber_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1408,7 +1542,7 @@ func (x *GetAllocationResponse) String() string {
 func (*GetAllocationResponse) ProtoMessage() {}
 
 func (x *GetAllocationResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[21]
+	mi := &file_blobber_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1421,7 +1555,7 @@ func (x *GetAllocationResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetAllocationResponse.ProtoReflect.Descriptor instead.
 func (*GetAllocationResponse) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{21}
+	return file_blobber_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *GetAllocationResponse) GetAllocation() *Allocation {
@@ -1458,7 +1592,7 @@ type Allocation struct {
 func (x *Allocation) Reset() {
 	*x = Allocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[22]
+		mi := &file_blobber_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1471,7 +1605,7 @@ func (x *Allocation) String() string {
 func (*Allocation) ProtoMessage() {}
 
 func (x *Allocation) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[22]
+	mi := &file_blobber_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1484,7 +1618,7 @@ func (x *Allocation) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Allocation.ProtoReflect.Descriptor instead.
 func (*Allocation) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{22}
+	return file_blobber_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *Allocation) GetID() string {
@@ -1621,7 +1755,7 @@ type Term struct {
 func (x *Term) Reset() {
 	*x = Term{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[23]
+		mi := &file_blobber_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1634,7 +1768,7 @@ func (x *Term) String() string {
 func (*Term) ProtoMessage() {}
 
 func (x *Term) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[23]
+	mi := &file_blobber_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1647,7 +1781,7 @@ func (x *Term) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Term.ProtoReflect.Descriptor instead.
 func (*Term) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{23}
+	return file_blobber_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *Term) GetID() int64 {
@@ -1698,7 +1832,7 @@ type FileRef struct {
 func (x *FileRef) Reset() {
 	*x = FileRef{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[24]
+		mi := &file_blobber_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1711,7 +1845,7 @@ func (x *FileRef) String() string {
 func (*FileRef) ProtoMessage() {}
 
 func (x *FileRef) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[24]
+	mi := &file_blobber_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1724,7 +1858,7 @@ func (x *FileRef) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileRef.ProtoReflect.Descriptor instead.
 func (*FileRef) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{24}
+	return file_blobber_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *FileRef) GetType() string {
@@ -1782,7 +1916,7 @@ type FileMetaData struct {
 func (x *FileMetaData) Reset() {
 	*x = FileMetaData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[25]
+		mi := &file_blobber_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1795,7 +1929,7 @@ func (x *FileMetaData) String() string {
 func (*FileMetaData) ProtoMessage() {}
 
 func (x *FileMetaData) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[25]
+	mi := &file_blobber_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1808,7 +1942,7 @@ func (x *FileMetaData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileMetaData.ProtoReflect.Descriptor instead.
 func (*FileMetaData) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{25}
+	return file_blobber_proto_rawDescGZIP(), []int{27}
 }
 
 func (x *FileMetaData) GetType() string {
@@ -1999,7 +2133,7 @@ type DirMetaData struct {
 func (x *DirMetaData) Reset() {
 	*x = DirMetaData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[26]
+		mi := &file_blobber_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2012,7 +2146,7 @@ func (x *DirMetaData) String() string {
 func (*DirMetaData) ProtoMessage() {}
 
 func (x *DirMetaData) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[26]
+	mi := &file_blobber_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2025,7 +2159,7 @@ func (x *DirMetaData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DirMetaData.ProtoReflect.Descriptor instead.
 func (*DirMetaData) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{26}
+	return file_blobber_proto_rawDescGZIP(), []int{28}
 }
 
 func (x *DirMetaData) GetType() string {
@@ -2114,29 +2248,32 @@ var file_blobber_proto_rawDesc = []byte{
 	0x74, 0x68, 0x73, 0x22, 0x31, 0x0a, 0x15, 0x43, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74, 0x65,
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+	0x33,
 }
 
 var (
@@ -2514,80 +2676,85 @@ func file_blobber_proto_rawDescGZIP() []byte {
 	return file_blobber_proto_rawDescData
 }
 
-var file_blobber_proto_msgTypes = make([]protoimpl.MessageInfo, 27)
+var file_blobber_proto_msgTypes = make([]protoimpl.MessageInfo, 29)
 var file_blobber_proto_goTypes = []interface{}{
 	(*CalculateHashRequest)(nil),     // 0: blobber.service.v1.CalculateHashRequest
 	(*CalculateHashResponse)(nil),    // 1: blobber.service.v1.CalculateHashResponse
-	(*GetObjectTreeRequest)(nil),     // 2: blobber.service.v1.GetObjectTreeRequest
-	(*GetObjectTreeResponse)(nil),    // 3: blobber.service.v1.GetObjectTreeResponse
-	(*GetReferencePathRequest)(nil),  // 4: blobber.service.v1.GetReferencePathRequest
-	(*GetReferencePathResponse)(nil), // 5: blobber.service.v1.GetReferencePathResponse
-	(*ReferencePath)(nil),            // 6: blobber.service.v1.ReferencePath
-	(*GetObjectPathRequest)(nil),     // 7: blobber.service.v1.GetObjectPathRequest
-	(*GetObjectPathResponse)(nil),    // 8: blobber.service.v1.GetObjectPathResponse
-	(*ObjectPath)(nil),               // 9: blobber.service.v1.ObjectPath
-	(*WriteMarker)(nil),              // 10: blobber.service.v1.WriteMarker
-	(*ListEntitiesRequest)(nil),      // 11: blobber.service.v1.ListEntitiesRequest
-	(*ListEntitiesResponse)(nil),     // 12: blobber.service.v1.ListEntitiesResponse
-	(*GetFileStatsRequest)(nil),      // 13: blobber.service.v1.GetFileStatsRequest
-	(*GetFileStatsResponse)(nil),     // 14: blobber.service.v1.GetFileStatsResponse
-	(*FileStats)(nil),                // 15: blobber.service.v1.FileStats
-	(*GetFileMetaDataRequest)(nil),   // 16: blobber.service.v1.GetFileMetaDataRequest
-	(*GetFileMetaDataResponse)(nil),  // 17: blobber.service.v1.GetFileMetaDataResponse
-	(*CommitMetaTxn)(nil),            // 18: blobber.service.v1.CommitMetaTxn
-	(*Collaborator)(nil),             // 19: blobber.service.v1.Collaborator
-	(*GetAllocationRequest)(nil),     // 20: blobber.service.v1.GetAllocationRequest
-	(*GetAllocationResponse)(nil),    // 21: blobber.service.v1.GetAllocationResponse
-	(*Allocation)(nil),               // 22: blobber.service.v1.Allocation
-	(*Term)(nil),                     // 23: blobber.service.v1.Term
-	(*FileRef)(nil),                  // 24: blobber.service.v1.FileRef
-	(*FileMetaData)(nil),             // 25: blobber.service.v1.FileMetaData
-	(*DirMetaData)(nil),              // 26: blobber.service.v1.DirMetaData
+	(*CommitRequest)(nil),            // 2: blobber.service.v1.CommitRequest
+	(*CommitResponse)(nil),           // 3: blobber.service.v1.CommitResponse
+	(*GetObjectTreeRequest)(nil),     // 4: blobber.service.v1.GetObjectTreeRequest
+	(*GetObjectTreeResponse)(nil),    // 5: blobber.service.v1.GetObjectTreeResponse
+	(*GetReferencePathRequest)(nil),  // 6: blobber.service.v1.GetReferencePathRequest
+	(*GetReferencePathResponse)(nil), // 7: blobber.service.v1.GetReferencePathResponse
+	(*ReferencePath)(nil),            // 8: blobber.service.v1.ReferencePath
+	(*GetObjectPathRequest)(nil),     // 9: blobber.service.v1.GetObjectPathRequest
+	(*GetObjectPathResponse)(nil),    // 10: blobber.service.v1.GetObjectPathResponse
+	(*ObjectPath)(nil),               // 11: blobber.service.v1.ObjectPath
+	(*WriteMarker)(nil),              // 12: blobber.service.v1.WriteMarker
+	(*ListEntitiesRequest)(nil),      // 13: blobber.service.v1.ListEntitiesRequest
+	(*ListEntitiesResponse)(nil),     // 14: blobber.service.v1.ListEntitiesResponse
+	(*GetFileStatsRequest)(nil),      // 15: blobber.service.v1.GetFileStatsRequest
+	(*GetFileStatsResponse)(nil),     // 16: blobber.service.v1.GetFileStatsResponse
+	(*FileStats)(nil),                // 17: blobber.service.v1.FileStats
+	(*GetFileMetaDataRequest)(nil),   // 18: blobber.service.v1.GetFileMetaDataRequest
+	(*GetFileMetaDataResponse)(nil),  // 19: blobber.service.v1.GetFileMetaDataResponse
+	(*CommitMetaTxn)(nil),            // 20: blobber.service.v1.CommitMetaTxn
+	(*Collaborator)(nil),             // 21: blobber.service.v1.Collaborator
+	(*GetAllocationRequest)(nil),     // 22: blobber.service.v1.GetAllocationRequest
+	(*GetAllocationResponse)(nil),    // 23: blobber.service.v1.GetAllocationResponse
+	(*Allocation)(nil),               // 24: blobber.service.v1.Allocation
+	(*Term)(nil),                     // 25: blobber.service.v1.Term
+	(*FileRef)(nil),                  // 26: blobber.service.v1.FileRef
+	(*FileMetaData)(nil),             // 27: blobber.service.v1.FileMetaData
+	(*DirMetaData)(nil),              // 28: blobber.service.v1.DirMetaData
 }
 var file_blobber_proto_depIdxs = []int32{
-	6,  // 0: blobber.service.v1.GetObjectTreeResponse.ReferencePath:type_name -> blobber.service.v1.ReferencePath
-	10, // 1: blobber.service.v1.GetObjectTreeResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
-	6,  // 2: blobber.service.v1.GetReferencePathResponse.ReferencePath:type_name -> blobber.service.v1.ReferencePath
-	10, // 3: blobber.service.v1.GetReferencePathResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
-	24, // 4: blobber.service.v1.ReferencePath.MetaData:type_name -> blobber.service.v1.FileRef
-	6,  // 5: blobber.service.v1.ReferencePath.List:type_name -> blobber.service.v1.ReferencePath
-	9,  // 6: blobber.service.v1.GetObjectPathResponse.ObjectPath:type_name -> blobber.service.v1.ObjectPath
-	10, // 7: blobber.service.v1.GetObjectPathResponse.LatestWriteMarker:type_name -> blobber.service.v1.WriteMarker
-	24, // 8: blobber.service.v1.ObjectPath.Meta:type_name -> blobber.service.v1.FileRef
-	24, // 9: blobber.service.v1.ObjectPath.Path:type_name -> blobber.service.v1.FileRef
-	24, // 10: blobber.service.v1.ObjectPath.PathList:type_name -> blobber.service.v1.FileRef
-	24, // 11: blobber.service.v1.ListEntitiesResponse.MetaData:type_name -> blobber.service.v1.FileRef
-	24, // 12: blobber.service.v1.ListEntitiesResponse.Entities:type_name -> blobber.service.v1.FileRef
-	24, // 13: blobber.service.v1.GetFileStatsResponse.MetaData:type_name -> blobber.service.v1.FileRef
-	15, // 14: blobber.service.v1.GetFileStatsResponse.Stats:type_name -> blobber.service.v1.FileStats
-	24, // 15: blobber.service.v1.GetFileMetaDataResponse.MetaData:type_name -> blobber.service.v1.FileRef
-	19, // 16: blobber.service.v1.GetFileMetaDataResponse.Collaborators:type_name -> blobber.service.v1.Collaborator
-	22, // 17: blobber.service.v1.GetAllocationResponse.allocation:type_name -> blobber.service.v1.Allocation
-	23, // 18: blobber.service.v1.Allocation.Terms:type_name -> blobber.service.v1.Term
-	25, // 19: blobber.service.v1.FileRef.FileMetaData:type_name -> blobber.service.v1.FileMetaData
-	26, // 20: blobber.service.v1.FileRef.DirMetaData:type_name -> blobber.service.v1.DirMetaData
-	18, // 21: blobber.service.v1.FileMetaData.CommitMetaTxns:type_name -> blobber.service.v1.CommitMetaTxn
-	20, // 22: blobber.service.v1.Blobber.GetAllocation:input_type -> blobber.service.v1.GetAllocationRequest
-	16, // 23: blobber.service.v1.Blobber.GetFileMetaData:input_type -> blobber.service.v1.GetFileMetaDataRequest
-	13, // 24: blobber.service.v1.Blobber.GetFileStats:input_type -> blobber.service.v1.GetFileStatsRequest
-	11, // 25: blobber.service.v1.Blobber.ListEntities:input_type -> blobber.service.v1.ListEntitiesRequest
-	7,  // 26: blobber.service.v1.Blobber.GetObjectPath:input_type -> blobber.service.v1.GetObjectPathRequest
-	4,  // 27: blobber.service.v1.Blobber.GetReferencePath:input_type -> blobber.service.v1.GetReferencePathRequest
-	2,  // 28: blobber.service.v1.Blobber.GetObjectTree:input_type -> blobber.service.v1.GetObjectTreeRequest
-	0,  // 29: blobber.service.v1.Blobber.CalculateHash:input_type -> blobber.service.v1.CalculateHashRequest
-	21, // 30: blobber.service.v1.Blobber.GetAllocation:output_type -> blobber.service.v1.GetAllocationResponse
-	17, // 31: blobber.service.v1.Blobber.GetFileMetaData:output_type -> blobber.service.v1.GetFileMetaDataResponse
-	14, // 32: blobber.service.v1.Blobber.GetFileStats:output_type -> blobber.service.v1.GetFileStatsResponse
-	12, // 33: blobber.service.v1.Blobber.ListEntities:output_type -> blobber.service.v1.ListEntitiesResponse
-	8,  // 34: blobber.service.v1.Blobber.GetObjectPath:output_type -> blobber.service.v1.GetObjectPathResponse
-	5,  // 35: blobber.service.v1.Blobber.GetReferencePath:output_type -> blobber.service.v1.GetReferencePathResponse
-	3,  // 36: blobber.service.v1.Blobber.GetObjectTree:output_type -> blobber.service.v1.GetObjectTreeResponse
-	1,  // 37: blobber.service.v1.Blobber.CalculateHash:output_type -> blobber.service.v1.CalculateHashResponse
-	30, // [30:38] is the sub-list for method output_type
-	22, // [22:30] is the sub-list for method input_type
-	22, // [22:22] is the sub-list for extension type_name
-	22, // [22:22] is the sub-list for extension extendee
-	0,  // [0:22] is the sub-list for field type_name
+	12, // 0: blobber.service.v1.CommitResponse.write_marker:type_name -> blobber.service.v1.WriteMarker
+	8,  // 1: blobber.service.v1.GetObjectTreeResponse.ReferencePath:type_name -> blobber.service.v1.ReferencePath
+	12, // 2: blobber.service.v1.GetObjectTreeResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
+	8,  // 3: blobber.service.v1.GetReferencePathResponse.ReferencePath:type_name -> blobber.service.v1.ReferencePath
+	12, // 4: blobber.service.v1.GetReferencePathResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
+	26, // 5: blobber.service.v1.ReferencePath.MetaData:type_name -> blobber.service.v1.FileRef
+	8,  // 6: blobber.service.v1.ReferencePath.List:type_name -> blobber.service.v1.ReferencePath
+	11, // 7: blobber.service.v1.GetObjectPathResponse.ObjectPath:type_name -> blobber.service.v1.ObjectPath
+	12, // 8: blobber.service.v1.GetObjectPathResponse.LatestWriteMarker:type_name -> blobber.service.v1.WriteMarker
+	26, // 9: blobber.service.v1.ObjectPath.Meta:type_name -> blobber.service.v1.FileRef
+	26, // 10: blobber.service.v1.ObjectPath.Path:type_name -> blobber.service.v1.FileRef
+	26, // 11: blobber.service.v1.ObjectPath.PathList:type_name -> blobber.service.v1.FileRef
+	26, // 12: blobber.service.v1.ListEntitiesResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	26, // 13: blobber.service.v1.ListEntitiesResponse.Entities:type_name -> blobber.service.v1.FileRef
+	26, // 14: blobber.service.v1.GetFileStatsResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	17, // 15: blobber.service.v1.GetFileStatsResponse.Stats:type_name -> blobber.service.v1.FileStats
+	26, // 16: blobber.service.v1.GetFileMetaDataResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	21, // 17: blobber.service.v1.GetFileMetaDataResponse.Collaborators:type_name -> blobber.service.v1.Collaborator
+	24, // 18: blobber.service.v1.GetAllocationResponse.allocation:type_name -> blobber.service.v1.Allocation
+	25, // 19: blobber.service.v1.Allocation.Terms:type_name -> blobber.service.v1.Term
+	27, // 20: blobber.service.v1.FileRef.FileMetaData:type_name -> blobber.service.v1.FileMetaData
+	28, // 21: blobber.service.v1.FileRef.DirMetaData:type_name -> blobber.service.v1.DirMetaData
+	20, // 22: blobber.service.v1.FileMetaData.CommitMetaTxns:type_name -> blobber.service.v1.CommitMetaTxn
+	22, // 23: blobber.service.v1.Blobber.GetAllocation:input_type -> blobber.service.v1.GetAllocationRequest
+	18, // 24: blobber.service.v1.Blobber.GetFileMetaData:input_type -> blobber.service.v1.GetFileMetaDataRequest
+	15, // 25: blobber.service.v1.Blobber.GetFileStats:input_type -> blobber.service.v1.GetFileStatsRequest
+	13, // 26: blobber.service.v1.Blobber.ListEntities:input_type -> blobber.service.v1.ListEntitiesRequest
+	9,  // 27: blobber.service.v1.Blobber.GetObjectPath:input_type -> blobber.service.v1.GetObjectPathRequest
+	6,  // 28: blobber.service.v1.Blobber.GetReferencePath:input_type -> blobber.service.v1.GetReferencePathRequest
+	4,  // 29: blobber.service.v1.Blobber.GetObjectTree:input_type -> blobber.service.v1.GetObjectTreeRequest
+	2,  // 30: blobber.service.v1.Blobber.Commit:input_type -> blobber.service.v1.CommitRequest
+	0,  // 31: blobber.service.v1.Blobber.CalculateHash:input_type -> blobber.service.v1.CalculateHashRequest
+	23, // 32: blobber.service.v1.Blobber.GetAllocation:output_type -> blobber.service.v1.GetAllocationResponse
+	19, // 33: blobber.service.v1.Blobber.GetFileMetaData:output_type -> blobber.service.v1.GetFileMetaDataResponse
+	16, // 34: blobber.service.v1.Blobber.GetFileStats:output_type -> blobber.service.v1.GetFileStatsResponse
+	14, // 35: blobber.service.v1.Blobber.ListEntities:output_type -> blobber.service.v1.ListEntitiesResponse
+	10, // 36: blobber.service.v1.Blobber.GetObjectPath:output_type -> blobber.service.v1.GetObjectPathResponse
+	7,  // 37: blobber.service.v1.Blobber.GetReferencePath:output_type -> blobber.service.v1.GetReferencePathResponse
+	5,  // 38: blobber.service.v1.Blobber.GetObjectTree:output_type -> blobber.service.v1.GetObjectTreeResponse
+	3,  // 39: blobber.service.v1.Blobber.Commit:output_type -> blobber.service.v1.CommitResponse
+	1,  // 40: blobber.service.v1.Blobber.CalculateHash:output_type -> blobber.service.v1.CalculateHashResponse
+	32, // [32:41] is the sub-list for method output_type
+	23, // [23:32] is the sub-list for method input_type
+	23, // [23:23] is the sub-list for extension type_name
+	23, // [23:23] is the sub-list for extension extendee
+	0,  // [0:23] is the sub-list for field type_name
 }
 
 func init() { file_blobber_proto_init() }
@@ -2621,7 +2788,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectTreeRequest); i {
+			switch v := v.(*CommitRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2633,7 +2800,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectTreeResponse); i {
+			switch v := v.(*CommitResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2645,7 +2812,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetReferencePathRequest); i {
+			switch v := v.(*GetObjectTreeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2657,7 +2824,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetReferencePathResponse); i {
+			switch v := v.(*GetObjectTreeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2669,7 +2836,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ReferencePath); i {
+			switch v := v.(*GetReferencePathRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2681,7 +2848,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectPathRequest); i {
+			switch v := v.(*GetReferencePathResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2693,7 +2860,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetObjectPathResponse); i {
+			switch v := v.(*ReferencePath); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2705,7 +2872,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ObjectPath); i {
+			switch v := v.(*GetObjectPathRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2717,7 +2884,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*WriteMarker); i {
+			switch v := v.(*GetObjectPathResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2729,7 +2896,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListEntitiesRequest); i {
+			switch v := v.(*ObjectPath); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2741,7 +2908,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListEntitiesResponse); i {
+			switch v := v.(*WriteMarker); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2753,7 +2920,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetFileStatsRequest); i {
+			switch v := v.(*ListEntitiesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2765,7 +2932,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetFileStatsResponse); i {
+			switch v := v.(*ListEntitiesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2777,7 +2944,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FileStats); i {
+			switch v := v.(*GetFileStatsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2789,7 +2956,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetFileMetaDataRequest); i {
+			switch v := v.(*GetFileStatsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2801,7 +2968,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetFileMetaDataResponse); i {
+			switch v := v.(*FileStats); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2813,7 +2980,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CommitMetaTxn); i {
+			switch v := v.(*GetFileMetaDataRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2825,7 +2992,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Collaborator); i {
+			switch v := v.(*GetFileMetaDataResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2837,7 +3004,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetAllocationRequest); i {
+			switch v := v.(*CommitMetaTxn); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2849,7 +3016,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetAllocationResponse); i {
+			switch v := v.(*Collaborator); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2861,7 +3028,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Allocation); i {
+			switch v := v.(*GetAllocationRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2873,7 +3040,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Term); i {
+			switch v := v.(*GetAllocationResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2885,7 +3052,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FileRef); i {
+			switch v := v.(*Allocation); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2897,7 +3064,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FileMetaData); i {
+			switch v := v.(*Term); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2909,6 +3076,30 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FileRef); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_blobber_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FileMetaData); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_blobber_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DirMetaData); i {
 			case 0:
 				return &v.state
@@ -2927,7 +3118,7 @@ func file_blobber_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_blobber_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   27,
+			NumMessages:   29,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go
index 76fd1fab6..a563e0829 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go
@@ -487,6 +487,74 @@ func local_request_Blobber_GetObjectTree_0(ctx context.Context, marshaler runtim
 
 }
 
+func request_Blobber_Commit_0(ctx context.Context, marshaler runtime.Marshaler, client BlobberClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CommitRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["allocation"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "allocation")
+	}
+
+	protoReq.Allocation, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "allocation", err)
+	}
+
+	msg, err := client.Commit(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Blobber_Commit_0(ctx context.Context, marshaler runtime.Marshaler, server BlobberServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CommitRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["allocation"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "allocation")
+	}
+
+	protoReq.Allocation, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "allocation", err)
+	}
+
+	msg, err := server.Commit(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 func request_Blobber_CalculateHash_0(ctx context.Context, marshaler runtime.Marshaler, client BlobberClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq CalculateHashRequest
 	var metadata runtime.ServerMetadata
@@ -722,6 +790,29 @@ func RegisterBlobberHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("POST", pattern_Blobber_Commit_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/blobber.service.v1.Blobber/Commit")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Blobber_Commit_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Blobber_Commit_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_Blobber_CalculateHash_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -926,6 +1017,26 @@ func RegisterBlobberHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("POST", pattern_Blobber_Commit_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req, "/blobber.service.v1.Blobber/Commit")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Blobber_Commit_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Blobber_Commit_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_Blobber_CalculateHash_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -964,6 +1075,8 @@ var (
 
 	pattern_Blobber_GetObjectTree_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "file", "objecttree", "allocation"}, ""))
 
+	pattern_Blobber_Commit_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "connection", "commit", "allocation"}, ""))
+
 	pattern_Blobber_CalculateHash_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "file", "calculatehash", "allocation"}, ""))
 )
 
@@ -982,5 +1095,7 @@ var (
 
 	forward_Blobber_GetObjectTree_0 = runtime.ForwardResponseMessage
 
+	forward_Blobber_Commit_0 = runtime.ForwardResponseMessage
+
 	forward_Blobber_CalculateHash_0 = runtime.ForwardResponseMessage
 )
diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go b/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go
index 78899bbdc..189508c67 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go
@@ -24,6 +24,7 @@ type BlobberClient interface {
 	GetObjectPath(ctx context.Context, in *GetObjectPathRequest, opts ...grpc.CallOption) (*GetObjectPathResponse, error)
 	GetReferencePath(ctx context.Context, in *GetReferencePathRequest, opts ...grpc.CallOption) (*GetReferencePathResponse, error)
 	GetObjectTree(ctx context.Context, in *GetObjectTreeRequest, opts ...grpc.CallOption) (*GetObjectTreeResponse, error)
+	Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitResponse, error)
 	CalculateHash(ctx context.Context, in *CalculateHashRequest, opts ...grpc.CallOption) (*CalculateHashResponse, error)
 }
 
@@ -98,6 +99,15 @@ func (c *blobberClient) GetObjectTree(ctx context.Context, in *GetObjectTreeRequ
 	return out, nil
 }
 
+func (c *blobberClient) Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitResponse, error) {
+	out := new(CommitResponse)
+	err := c.cc.Invoke(ctx, "/blobber.service.v1.Blobber/Commit", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *blobberClient) CalculateHash(ctx context.Context, in *CalculateHashRequest, opts ...grpc.CallOption) (*CalculateHashResponse, error) {
 	out := new(CalculateHashResponse)
 	err := c.cc.Invoke(ctx, "/blobber.service.v1.Blobber/CalculateHash", in, out, opts...)
@@ -118,6 +128,7 @@ type BlobberServer interface {
 	GetObjectPath(context.Context, *GetObjectPathRequest) (*GetObjectPathResponse, error)
 	GetReferencePath(context.Context, *GetReferencePathRequest) (*GetReferencePathResponse, error)
 	GetObjectTree(context.Context, *GetObjectTreeRequest) (*GetObjectTreeResponse, error)
+	Commit(context.Context, *CommitRequest) (*CommitResponse, error)
 	CalculateHash(context.Context, *CalculateHashRequest) (*CalculateHashResponse, error)
 	mustEmbedUnimplementedBlobberServer()
 }
@@ -147,6 +158,9 @@ func (UnimplementedBlobberServer) GetReferencePath(context.Context, *GetReferenc
 func (UnimplementedBlobberServer) GetObjectTree(context.Context, *GetObjectTreeRequest) (*GetObjectTreeResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetObjectTree not implemented")
 }
+func (UnimplementedBlobberServer) Commit(context.Context, *CommitRequest) (*CommitResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Commit not implemented")
+}
 func (UnimplementedBlobberServer) CalculateHash(context.Context, *CalculateHashRequest) (*CalculateHashResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CalculateHash not implemented")
 }
@@ -289,6 +303,24 @@ func _Blobber_GetObjectTree_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Blobber_Commit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CommitRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BlobberServer).Commit(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/blobber.service.v1.Blobber/Commit",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BlobberServer).Commit(ctx, req.(*CommitRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Blobber_CalculateHash_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CalculateHashRequest)
 	if err := dec(in); err != nil {
@@ -339,6 +371,10 @@ var _Blobber_serviceDesc = grpc.ServiceDesc{
 			MethodName: "GetObjectTree",
 			Handler:    _Blobber_GetObjectTree_Handler,
 		},
+		{
+			MethodName: "Commit",
+			Handler:    _Blobber_Commit_Handler,
+		},
 		{
 			MethodName: "CalculateHash",
 			Handler:    _Blobber_CalculateHash_Handler,
diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto b/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
index 43f05511c..7f8865b18 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
@@ -43,6 +43,13 @@ service Blobber {
     };
   }
 
+  rpc Commit(CommitRequest) returns (CommitResponse) {
+    option (google.api.http) = {
+      post: "/v2/connection/commit/{allocation}"
+      body: "*"
+    };
+  }
+
   rpc CalculateHash(CalculateHashRequest) returns (CalculateHashResponse) {
       option (google.api.http) = {
         post: "/v2/file/calculatehash/{allocation}"
@@ -61,6 +68,20 @@ message CalculateHashResponse {
   string message = 1;
 }
 
+message CommitRequest {
+  string allocation = 1;
+  string connection_id = 2;
+  string write_marker = 3;
+}
+
+
+message CommitResponse {
+  string allocation_root = 1;
+  WriteMarker write_marker = 2;
+  string error_message = 3;
+  bool success = 4;
+}
+
 message GetObjectTreeRequest {
   string path = 1;
   string allocation = 2;
diff --git a/code/go/0chain.net/blobbercore/convert/responseHandler.go b/code/go/0chain.net/blobbercore/convert/responseHandler.go
index a8865695a..eaa7e4cd1 100644
--- a/code/go/0chain.net/blobbercore/convert/responseHandler.go
+++ b/code/go/0chain.net/blobbercore/convert/responseHandler.go
@@ -90,6 +90,15 @@ func GetObjectTreeResponseHandler(getObjectTreeResponse *blobbergrpc.GetObjectTr
 	}
 }
 
+func CommitWriteResponseHandler(resp *blobbergrpc.CommitResponse) *blobberHTTP.CommitResult {
+	return &blobberHTTP.CommitResult{
+		AllocationRoot: resp.AllocationRoot,
+		WriteMarker:    WriteMarkerGRPCToWriteMarker(resp.WriteMarker),
+		Success:        resp.Success,
+		ErrorMessage:   resp.ErrorMessage,
+	}
+}
+
 func GetCalculateHashResponseHandler(response *blobbergrpc.CalculateHashResponse) interface{} {
 	result := make(map[string]interface{})
 	if msg := response.GetMessage(); msg != "" {
diff --git a/code/go/0chain.net/blobbercore/handler/grpc_commit_handler.go b/code/go/0chain.net/blobbercore/handler/grpc_commit_handler.go
new file mode 100644
index 000000000..e6046a88b
--- /dev/null
+++ b/code/go/0chain.net/blobbercore/handler/grpc_commit_handler.go
@@ -0,0 +1,193 @@
+package handler
+
+import (
+	"context"
+	"encoding/hex"
+	"encoding/json"
+	"strconv"
+
+	"gorm.io/gorm"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/convert"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/datastore"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/allocation"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/blobbergrpc"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/reference"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/writemarker"
+	"github.com/0chain/blobber/code/go/0chain.net/core/common"
+	"github.com/0chain/blobber/code/go/0chain.net/core/encryption"
+	"github.com/0chain/blobber/code/go/0chain.net/core/lock"
+)
+
+func (b *blobberGRPCService) Commit(ctx context.Context, req *blobbergrpc.CommitRequest) (*blobbergrpc.CommitResponse, error) {
+	md := GetGRPCMetaDataFromCtx(ctx)
+	ctx = setupGRPCHandlerContext(ctx, md, req.Allocation)
+
+	allocationTx := req.Allocation
+	clientID := md.Client
+	clientKey := md.ClientKey
+	clientKeyBytes, _ := hex.DecodeString(clientKey)
+
+	allocationObj, err := b.storageHandler.verifyAllocation(ctx, allocationTx, false)
+	if err != nil {
+		return nil, common.NewError("invalid_parameters", "Invalid allocation id passed."+err.Error())
+	}
+
+	allocationID := allocationObj.ID
+
+	connectionID := req.ConnectionId
+	if len(connectionID) == 0 {
+		return nil, common.NewError("invalid_parameters", "Invalid connection id passed")
+	}
+
+	mutex := lock.GetMutex(allocationObj.TableName(), allocationID)
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	connectionObj, err := b.packageHandler.GetAllocationChanges(ctx, connectionID, allocationID, clientID)
+	if err != nil {
+		return nil, common.NewErrorf("invalid_parameters",
+			"Invalid connection id. Connection id was not found: %v", err)
+	}
+	if len(connectionObj.Changes) == 0 {
+		return nil, common.NewError("invalid_parameters",
+			"Invalid connection id. Connection does not have any changes.")
+	}
+
+	var isACollaborator bool
+	for _, change := range connectionObj.Changes {
+		if change.Operation == allocation.UPDATE_OPERATION {
+			updateFileChange := new(allocation.UpdateFileChange)
+			if err := updateFileChange.Unmarshal(change.Input); err != nil {
+				return nil, err
+			}
+			fileRef, err := reference.GetReference(ctx, allocationID, updateFileChange.Path)
+			if err != nil {
+				return nil, err
+			}
+			isACollaborator = reference.IsACollaborator(ctx, fileRef.ID, clientID)
+			break
+		}
+	}
+
+	if len(clientID) == 0 || len(clientKey) == 0 {
+		return nil, common.NewError("invalid_params", "Please provide clientID and clientKey")
+	}
+
+	if (allocationObj.OwnerID != clientID || encryption.Hash(clientKeyBytes) != clientID) && !isACollaborator {
+		return nil, common.NewError("invalid_operation", "Operation needs to be performed by the owner of the allocation")
+	}
+
+	if allocationObj.BlobberSizeUsed+connectionObj.Size > allocationObj.BlobberSize {
+		return nil, common.NewError("max_allocation_size",
+			"Max size reached for the allocation with this blobber")
+	}
+
+	writeMarkerString := req.WriteMarker
+	writeMarker := writemarker.WriteMarker{}
+	err = json.Unmarshal([]byte(writeMarkerString), &writeMarker)
+	if err != nil {
+		return nil, common.NewErrorf("invalid_parameters",
+			"Invalid parameters. Error parsing the writemarker for commit: %v",
+			err)
+	}
+
+	var result blobbergrpc.CommitResponse
+	var latestWM *writemarker.WriteMarkerEntity
+	if len(allocationObj.AllocationRoot) == 0 {
+		latestWM = nil
+	} else {
+		latestWM, err = b.packageHandler.GetWriteMarkerEntity(ctx,
+			allocationObj.AllocationRoot)
+		if err != nil {
+			return nil, common.NewErrorf("latest_write_marker_read_error",
+				"Error reading the latest write marker for allocation: %v", err)
+		}
+	}
+
+	writemarkerObj := &writemarker.WriteMarkerEntity{}
+	writemarkerObj.WM = writeMarker
+
+	err = b.packageHandler.VerifyMarker(writemarkerObj, ctx, allocationObj, connectionObj)
+	if err != nil {
+		result.AllocationRoot = allocationObj.AllocationRoot
+		result.ErrorMessage = "Verification of write marker failed: " + err.Error()
+		result.Success = false
+		if latestWM != nil {
+			result.WriteMarker = convert.WriteMarkerToWriteMarkerGRPC(&latestWM.WM)
+		}
+		return &result, common.NewError("write_marker_verification_failed", result.ErrorMessage)
+	}
+
+	var clientIDForWriteRedeem = writeMarker.ClientID
+	if isACollaborator {
+		clientIDForWriteRedeem = allocationObj.OwnerID
+	}
+
+	if err = writePreRedeem(ctx, allocationObj, &writeMarker, clientIDForWriteRedeem); err != nil {
+		return nil, err
+	}
+
+	err = b.packageHandler.ApplyChanges(connectionObj, ctx, writeMarker.AllocationRoot)
+	if err != nil {
+		return nil, err
+	}
+	rootRef, err := b.packageHandler.GetReference(ctx, allocationID, "/")
+	if err != nil {
+		return nil, err
+	}
+	allocationRoot := encryption.Hash(rootRef.Hash + ":" + strconv.FormatInt(int64(writeMarker.Timestamp), 10))
+
+	if allocationRoot != writeMarker.AllocationRoot {
+		result.AllocationRoot = allocationObj.AllocationRoot
+		if latestWM != nil {
+			result.WriteMarker = convert.WriteMarkerToWriteMarkerGRPC(&latestWM.WM)
+		}
+		result.Success = false
+		result.ErrorMessage = "Allocation root in the write marker does not match the calculated allocation root. Expected hash: " + allocationRoot
+		return &result, common.NewError("allocation_root_mismatch", result.ErrorMessage)
+	}
+	writemarkerObj.ConnectionID = connectionObj.ConnectionID
+	writemarkerObj.ClientPublicKey = clientKey
+
+	err = b.packageHandler.UpdateAllocationAndCommitChanges(ctx, writemarkerObj, connectionObj, allocationObj, allocationRoot)
+	if err != nil {
+		return nil, err
+	}
+
+	result.AllocationRoot = allocationObj.AllocationRoot
+	result.WriteMarker = convert.WriteMarkerToWriteMarkerGRPC(&writeMarker)
+	result.Success = true
+	result.ErrorMessage = ""
+
+	return &result, nil
+}
+
+func UpdateAllocationAndCommitChanges(ctx context.Context, writemarkerObj *writemarker.WriteMarkerEntity, connectionObj *allocation.AllocationChangeCollector, allocationObj *allocation.Allocation, allocationRoot string) error {
+	err := writemarkerObj.Save(ctx)
+	if err != nil {
+		return common.NewError("write_marker_error", "Error persisting the write marker")
+	}
+
+	db := datastore.GetStore().GetTransaction(ctx)
+	allocationUpdates := make(map[string]interface{})
+	allocationUpdates["blobber_size_used"] = gorm.Expr("blobber_size_used + ?", connectionObj.Size)
+	allocationUpdates["used_size"] = gorm.Expr("used_size + ?", connectionObj.Size)
+	allocationUpdates["allocation_root"] = allocationRoot
+	allocationUpdates["is_redeem_required"] = true
+
+	err = db.Model(allocationObj).Updates(allocationUpdates).Error
+	if err != nil {
+		return common.NewError("allocation_write_error", "Error persisting the allocation object")
+	}
+	err = connectionObj.CommitToFileStore(ctx)
+	if err != nil {
+		return common.NewError("file_store_error", "Error committing to file store. "+err.Error())
+	}
+
+	connectionObj.DeleteChanges(ctx) //nolint:errcheck // never returns an error anyway
+
+	db.Model(connectionObj).Updates(allocation.AllocationChangeCollector{Status: allocation.CommittedConnection})
+	return nil
+}
diff --git a/code/go/0chain.net/blobbercore/handler/grpc_commit_handler_unit_test.go b/code/go/0chain.net/blobbercore/handler/grpc_commit_handler_unit_test.go
new file mode 100644
index 000000000..9e9ce4ce0
--- /dev/null
+++ b/code/go/0chain.net/blobbercore/handler/grpc_commit_handler_unit_test.go
@@ -0,0 +1,237 @@
+package handler
+
+import (
+	"context"
+	"encoding/hex"
+	"fmt"
+	"strconv"
+	"testing"
+	"time"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/writemarker"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/datastore"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/reference"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/allocation"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/blobbergrpc"
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/mocks"
+	"github.com/0chain/blobber/code/go/0chain.net/core/common"
+	"github.com/0chain/blobber/code/go/0chain.net/core/encryption"
+	"github.com/magiconair/properties/assert"
+	"github.com/stretchr/testify/mock"
+	"google.golang.org/grpc/metadata"
+)
+
+func TestBlobberGRPCService_Commit(t *testing.T) {
+	allocationTx := randString(32)
+
+	pubKey, _, signScheme := GeneratePubPrivateKey(t)
+	clientSignature, _ := signScheme.Sign(encryption.Hash(allocationTx))
+
+	pubKeyBytes, err := hex.DecodeString(pubKey)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	timestamp := time.Now().UnixNano()
+	rootRefHash := "someHash"
+	clientId := encryption.Hash(pubKeyBytes)
+	connectionId := "connection_id"
+	allocationId := "allocationId"
+	req := &blobbergrpc.CommitRequest{
+		Allocation:   allocationTx,
+		ConnectionId: connectionId,
+		WriteMarker:  `{"allocation_id":"` + allocationId + `","timestamp":` + fmt.Sprint(timestamp) + `,"allocation_root":"` + encryption.Hash(rootRefHash+":"+strconv.FormatInt(int64(timestamp), 10)) + `"}`,
+	}
+
+	ctx := metadata.NewIncomingContext(context.Background(), metadata.New(map[string]string{
+		common.ClientHeader:          clientId,
+		common.ClientKeyHeader:       pubKey,
+		common.ClientSignatureHeader: clientSignature,
+	}))
+
+	testcases := []struct {
+		description                            string
+		getAllocationChangesReturn             func() (*allocation.AllocationChangeCollector, error)
+		verifyMarkerReturn                     func() error
+		applyChangesReturn                     func() error
+		getReferenceReturn                     func() (*reference.Ref, error)
+		verifyAllocationReturn                 func() (*allocation.Allocation, error)
+		getWriteMarkerEntityReturn             func() (*writemarker.WriteMarkerEntity, error)
+		updateAllocationAndCommitChangesReturn func() error
+		expectedError                          bool
+	}{
+		{
+			description:   "success",
+			expectedError: false,
+			getAllocationChangesReturn: func() (*allocation.AllocationChangeCollector, error) {
+				return &allocation.AllocationChangeCollector{
+					ConnectionID: connectionId,
+					AllocationID: allocationId,
+					ClientID:     "",
+					Size:         0,
+					Changes: []*allocation.AllocationChange{&allocation.AllocationChange{
+						ChangeID:     1,
+						Size:         0,
+						Operation:    "insert",
+						ConnectionID: connectionId,
+						Input:        "",
+						ModelWithTS:  datastore.ModelWithTS{},
+					}},
+					AllocationChanges: nil,
+					Status:            0,
+					ModelWithTS:       datastore.ModelWithTS{},
+				}, nil
+			},
+			verifyMarkerReturn: func() error {
+				return nil
+			},
+			applyChangesReturn: func() error {
+				return nil
+			},
+			getReferenceReturn: func() (*reference.Ref, error) {
+				return &reference.Ref{
+					Hash: rootRefHash,
+				}, nil
+			},
+			verifyAllocationReturn: func() (*allocation.Allocation, error) {
+				return &allocation.Allocation{
+					ID:             allocationId,
+					Tx:             req.Allocation,
+					OwnerID:        clientId,
+					OwnerPublicKey: pubKey,
+				}, nil
+			},
+			getWriteMarkerEntityReturn: func() (*writemarker.WriteMarkerEntity, error) {
+				return nil, nil
+			},
+			updateAllocationAndCommitChangesReturn: func() error {
+				return nil
+			},
+		},
+		{
+			description:   "could not commit",
+			expectedError: true,
+			getAllocationChangesReturn: func() (*allocation.AllocationChangeCollector, error) {
+				return &allocation.AllocationChangeCollector{
+					ConnectionID: connectionId,
+					AllocationID: allocationId,
+					ClientID:     "",
+					Size:         0,
+					Changes: []*allocation.AllocationChange{&allocation.AllocationChange{
+						ChangeID:     1,
+						Size:         0,
+						Operation:    "insert",
+						ConnectionID: connectionId,
+						Input:        "",
+						ModelWithTS:  datastore.ModelWithTS{},
+					}},
+					AllocationChanges: nil,
+					Status:            0,
+					ModelWithTS:       datastore.ModelWithTS{},
+				}, nil
+			},
+			verifyMarkerReturn: func() error {
+				return nil
+			},
+			applyChangesReturn: func() error {
+				return nil
+			},
+			getReferenceReturn: func() (*reference.Ref, error) {
+				return &reference.Ref{
+					Hash: rootRefHash,
+				}, nil
+			},
+			verifyAllocationReturn: func() (*allocation.Allocation, error) {
+				return &allocation.Allocation{
+					ID:             allocationId,
+					Tx:             req.Allocation,
+					OwnerID:        clientId,
+					OwnerPublicKey: pubKey,
+				}, nil
+			},
+			getWriteMarkerEntityReturn: func() (*writemarker.WriteMarkerEntity, error) {
+				return nil, nil
+			},
+			updateAllocationAndCommitChangesReturn: func() error {
+				return fmt.Errorf("some error")
+			},
+		},
+		{
+			description:   "invalid marker",
+			expectedError: true,
+			getAllocationChangesReturn: func() (*allocation.AllocationChangeCollector, error) {
+				return &allocation.AllocationChangeCollector{
+					ConnectionID: connectionId,
+					AllocationID: allocationId,
+					ClientID:     "",
+					Size:         0,
+					Changes: []*allocation.AllocationChange{&allocation.AllocationChange{
+						ChangeID:     1,
+						Size:         0,
+						Operation:    "insert",
+						ConnectionID: connectionId,
+						Input:        "",
+						ModelWithTS:  datastore.ModelWithTS{},
+					}},
+					AllocationChanges: nil,
+					Status:            0,
+					ModelWithTS:       datastore.ModelWithTS{},
+				}, nil
+			},
+			verifyMarkerReturn: func() error {
+				return fmt.Errorf("invalid marker")
+			},
+			applyChangesReturn: func() error {
+				return nil
+			},
+			getReferenceReturn: func() (*reference.Ref, error) {
+				return &reference.Ref{
+					Hash: rootRefHash,
+				}, nil
+			},
+			verifyAllocationReturn: func() (*allocation.Allocation, error) {
+				return &allocation.Allocation{
+					ID:             allocationId,
+					Tx:             req.Allocation,
+					OwnerID:        clientId,
+					OwnerPublicKey: pubKey,
+				}, nil
+			},
+			getWriteMarkerEntityReturn: func() (*writemarker.WriteMarkerEntity, error) {
+				return nil, nil
+			},
+			updateAllocationAndCommitChangesReturn: func() error {
+				return nil
+			},
+		},
+	}
+
+	for _, tc := range testcases {
+
+		mockStorageHandler := &storageHandlerI{}
+		mockPackageHandler := &mocks.PackageHandler{}
+
+		mockPackageHandler.On("GetAllocationChanges", mock.Anything, connectionId, allocationId, mock.Anything).Return(tc.getAllocationChangesReturn())
+
+		mockPackageHandler.On("VerifyMarker", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(tc.verifyMarkerReturn())
+		mockPackageHandler.On("ApplyChanges", mock.Anything, mock.Anything, mock.Anything).Return(tc.applyChangesReturn())
+		mockPackageHandler.On("GetReference", mock.Anything, mock.Anything, mock.Anything).Return(tc.getReferenceReturn())
+		mockStorageHandler.On("verifyAllocation", mock.Anything, req.Allocation, false).Return(tc.verifyAllocationReturn())
+		mockPackageHandler.On("GetWriteMarkerEntity", mock.Anything, mock.Anything).Return(tc.getWriteMarkerEntityReturn())
+		mockPackageHandler.On("UpdateAllocationAndCommitChanges", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(tc.updateAllocationAndCommitChangesReturn())
+
+		svc := newGRPCBlobberService(mockStorageHandler, mockPackageHandler)
+		resp, err := svc.Commit(ctx, req)
+		if err != nil {
+			if tc.expectedError {
+				continue
+			} else {
+				t.Fatal("unexpected error - " + err.Error())
+			}
+		}
+
+		assert.Equal(t, resp.WriteMarker.AllocationID, allocationId)
+	}
+}
diff --git a/code/go/0chain.net/blobbercore/handler/grpc_handler_helper_unit_test.go b/code/go/0chain.net/blobbercore/handler/grpc_handler_helper_unit_test.go
index 0b286f5e1..23759ea1b 100644
--- a/code/go/0chain.net/blobbercore/handler/grpc_handler_helper_unit_test.go
+++ b/code/go/0chain.net/blobbercore/handler/grpc_handler_helper_unit_test.go
@@ -9,6 +9,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/0chain/blobber/code/go/0chain.net/core/common"
+
 	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/config"
 	"github.com/spf13/viper"
 
@@ -125,6 +127,21 @@ func (c *TestDataController) ClearDatabase() error {
 		return err
 	}
 
+	_, err = tx.Exec("truncate allocation_changes cascade")
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec("truncate allocation_connections cascade")
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec("truncate write_markers cascade")
+	if err != nil {
+		return err
+	}
+
 	err = tx.Commit()
 	if err != nil {
 		return err
@@ -485,8 +502,6 @@ func GeneratePubPrivateKey(t *testing.T) (string, string, zcncrypto.SignatureSch
 	keyPair := wallet.Keys[0]
 
 	_ = signScheme.SetPrivateKey(keyPair.PrivateKey)
-	_ = signScheme.SetPublicKey(keyPair.PublicKey)
-
 	return keyPair.PublicKey, keyPair.PrivateKey, signScheme
 }
 
@@ -506,3 +521,79 @@ func setupIntegrationTestConfig(t *testing.T) {
 	config.Configuration.DBUserName = viper.GetString("db.user")
 	config.Configuration.DBPassword = viper.GetString("db.password")
 }
+
+func (c *TestDataController) AddCommitTestData(allocationTx, pubkey, clientId, wmSig string, now common.Timestamp) error {
+	var err error
+	var tx *sql.Tx
+	defer func() {
+		if err != nil {
+			if tx != nil {
+				errRollback := tx.Rollback()
+				if errRollback != nil {
+					log.Println(errRollback)
+				}
+			}
+		}
+	}()
+
+	db, err := c.db.DB()
+	if err != nil {
+		return err
+	}
+
+	tx, err = db.BeginTx(context.Background(), &sql.TxOptions{})
+	if err != nil {
+		return err
+	}
+
+	expTime := time.Now().Add(time.Hour * 100000).UnixNano()
+
+	_, err = tx.Exec(`
+INSERT INTO allocations (id, tx, owner_id, owner_public_key, expiration_date, payer_id, blobber_size, allocation_root)
+VALUES ('exampleId' ,'` + allocationTx + `','` + clientId + `','` + pubkey + `',` + fmt.Sprint(expTime) + `,'examplePayerId', 99999999, '/');
+`)
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec(`
+INSERT INTO allocation_connections (connection_id, allocation_id, client_id, size, status)
+VALUES ('connection_id' ,'exampleId','` + clientId + `', 1337, 1);
+`)
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec(`
+INSERT INTO allocation_changes (id, connection_id, operation, size, input)
+VALUES (1 ,'connection_id','rename', 1200, '{"allocation_id":"exampleId","path":"/some_file","new_name":"new_name"}');
+`)
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec(`
+INSERT INTO write_markers(prev_allocation_root, allocation_root, status, allocation_id, size, client_id, signature, blobber_id, timestamp, connection_id, client_key)
+VALUES ('/', '/', 2,'exampleId', 1337, '` + clientId + `','` + wmSig + `','blobber_id', ` + fmt.Sprint(now) + `, 'connection_id', '` + pubkey + `');
+`)
+	if err != nil {
+		return err
+	}
+
+	_, err = tx.Exec(`
+INSERT INTO reference_objects (id, allocation_id, path_hash,lookup_hash,type,name,path,hash,custom_meta,content_hash,merkle_root,actual_file_hash,mimetype,write_marker,thumbnail_hash, actual_thumbnail_hash, parent_path)
+VALUES 
+(1234,'exampleId','exampleId:examplePath','exampleId:examplePath','d','root','/','someHash','customMeta','contentHash','merkleRoot','actualFileHash','mimetype','writeMarker','thumbnailHash','actualThumbnailHash','/'),
+(123,'exampleId','exampleId:examplePath','exampleId:examplePath','f','some_file','/some_file','someHash','customMeta','contentHash','merkleRoot','actualFileHash','mimetype','writeMarker','thumbnailHash','actualThumbnailHash','/');
+`)
+	if err != nil {
+		return err
+	}
+
+	err = tx.Commit()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/code/go/0chain.net/blobbercore/handler/grpc_handler_integration_test.go b/code/go/0chain.net/blobbercore/handler/grpc_handler_integration_test.go
index bde386249..ad416995c 100644
--- a/code/go/0chain.net/blobbercore/handler/grpc_handler_integration_test.go
+++ b/code/go/0chain.net/blobbercore/handler/grpc_handler_integration_test.go
@@ -2,12 +2,19 @@ package handler
 
 import (
 	"context"
+	"encoding/hex"
+	"encoding/json"
 	"fmt"
 	"log"
 	"os"
+	"strconv"
 	"testing"
 	"time"
 
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/reference"
+
+	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/writemarker"
+
 	"github.com/0chain/blobber/code/go/0chain.net/core/common"
 
 	"google.golang.org/grpc/metadata"
@@ -524,4 +531,119 @@ func TestBlobberGRPCService_IntegrationTest(t *testing.T) {
 
 	})
 
+	t.Run("TestCommit", func(t *testing.T) {
+		allocationTx := randString(32)
+
+		pubKey, _, signScheme := GeneratePubPrivateKey(t)
+		clientSignature, _ := signScheme.Sign(encryption.Hash(allocationTx))
+		pubKeyBytes, _ := hex.DecodeString(pubKey)
+		clientId := encryption.Hash(pubKeyBytes)
+		now := common.Timestamp(time.Now().UnixNano())
+
+		blobberPubKey := "de52c0a51872d5d2ec04dbc15a6f0696cba22657b80520e1d070e72de64c9b04e19ce3223cae3c743a20184158457582ffe9c369ca9218c04bfe83a26a62d88d"
+		blobberPubKeyBytes, _ := hex.DecodeString(blobberPubKey)
+
+		fr := reference.Ref{
+			AllocationID:   "exampleId",
+			Type:           "f",
+			Name:           "new_name",
+			Path:           "/new_name",
+			ContentHash:    "contentHash",
+			MerkleRoot:     "merkleRoot",
+			ActualFileHash: "actualFileHash",
+		}
+
+		rootRefHash := encryption.Hash(encryption.Hash(fr.GetFileHashData()))
+
+		wm := writemarker.WriteMarker{
+			AllocationRoot:         encryption.Hash(rootRefHash + ":" + strconv.FormatInt(int64(now), 10)),
+			PreviousAllocationRoot: "/",
+			AllocationID:           "exampleId",
+			Size:                   1337,
+			BlobberID:              encryption.Hash(blobberPubKeyBytes),
+			Timestamp:              now,
+			ClientID:               clientId,
+		}
+
+		wmSig, err := signScheme.Sign(encryption.Hash(wm.GetHashData()))
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		wm.Signature = wmSig
+
+		wmRaw, err := json.Marshal(wm)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = tdController.ClearDatabase()
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = tdController.AddCommitTestData(allocationTx, pubKey, clientId, wmSig, now)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		testCases := []struct {
+			name               string
+			context            metadata.MD
+			input              *blobbergrpc.CommitRequest
+			expectedAllocation string
+			expectingError     bool
+		}{
+			{
+				name: "Success",
+				context: metadata.New(map[string]string{
+					common.ClientHeader:          clientId,
+					common.ClientSignatureHeader: clientSignature,
+					common.ClientKeyHeader:       pubKey,
+				}),
+				input: &blobbergrpc.CommitRequest{
+					Allocation:   allocationTx,
+					ConnectionId: "connection_id",
+					WriteMarker:  string(wmRaw),
+				},
+				expectedAllocation: "exampleId",
+				expectingError:     false,
+			},
+			{
+				name: "invalid write_marker",
+				context: metadata.New(map[string]string{
+					common.ClientHeader:          clientId,
+					common.ClientSignatureHeader: clientSignature,
+					common.ClientKeyHeader:       pubKey,
+				}),
+				input: &blobbergrpc.CommitRequest{
+					Allocation:   allocationTx,
+					ConnectionId: "invalid",
+					WriteMarker:  "invalid",
+				},
+				expectedAllocation: "",
+				expectingError:     true,
+			},
+		}
+
+		for _, tc := range testCases {
+			ctx := context.Background()
+			ctx = metadata.NewOutgoingContext(ctx, tc.context)
+			getCommiteResp, err := blobberClient.Commit(ctx, tc.input)
+			if err != nil {
+				if !tc.expectingError {
+					t.Fatal(err)
+				}
+				continue
+			}
+
+			if tc.expectingError {
+				t.Fatal("expected error")
+			}
+
+			if getCommiteResp.WriteMarker.AllocationID != tc.expectedAllocation {
+				t.Fatal("unexpected root name from GetObject")
+			}
+		}
+	})
+
 }
diff --git a/code/go/0chain.net/blobbercore/handler/handler.go b/code/go/0chain.net/blobbercore/handler/handler.go
index 0ec13faa2..2ed96f796 100644
--- a/code/go/0chain.net/blobbercore/handler/handler.go
+++ b/code/go/0chain.net/blobbercore/handler/handler.go
@@ -43,7 +43,7 @@ func SetupHandlers(r *mux.Router) {
 	r.HandleFunc("/v1/file/copy/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CopyHandler))))
 	r.HandleFunc("/v1/file/attributes/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(UpdateAttributesHandler))))
 
-	r.HandleFunc("/v1/connection/commit/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CommitHandler))))
+	r.HandleFunc("/v1/connection/commit/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CommitHandler(svc))))).Methods("POST")
 	r.HandleFunc("/v1/file/commitmetatxn/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CommitMetaTxnHandler))))
 	r.HandleFunc("/v1/file/collaborator/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CollaboratorHandler))))
 	r.HandleFunc("/v1/file/calculatehash/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CalculateHashHandler(svc))))).Methods(http.MethodPost)
@@ -231,15 +231,21 @@ func ListHandler(svc *blobberGRPCService) func(ctx context.Context, r *http.Requ
 }
 
 /*CommitHandler is the handler to respond to upload requests fro clients*/
-func CommitHandler(ctx context.Context, r *http.Request) (interface{}, error) {
-	ctx = setupHandlerContext(ctx, r)
+func CommitHandler(svc *blobberGRPCService) func(ctx context.Context, r *http.Request) (interface{}, error) {
+	return func(ctx context.Context, r *http.Request) (interface{}, error) {
+		ctx = setupHandlerGRPCContext(ctx, r)
 
-	response, err := storageHandler.CommitWrite(ctx, r)
-	if err != nil {
-		return nil, err
-	}
+		response, err := svc.Commit(ctx, &blobbergrpc.CommitRequest{
+			Allocation:   mux.Vars(r)["allocation"],
+			ConnectionId: r.FormValue("connection_id"),
+			WriteMarker:  r.FormValue("write_marker"),
+		})
+		if err != nil {
+			return nil, err
+		}
 
-	return response, nil
+		return convert.CommitWriteResponseHandler(response), nil
+	}
 }
 
 func ReferencePathHandler(svc *blobberGRPCService) func(ctx context.Context, r *http.Request) (interface{}, error) {
diff --git a/code/go/0chain.net/blobbercore/handler/helper.go b/code/go/0chain.net/blobbercore/handler/helper.go
index d129bc7bd..eea3de31f 100644
--- a/code/go/0chain.net/blobbercore/handler/helper.go
+++ b/code/go/0chain.net/blobbercore/handler/helper.go
@@ -40,10 +40,35 @@ type PackageHandler interface {
 	GetObjectPath(ctx context.Context, allocationID string, blockNum int64) (*reference.ObjectPath, error)
 	GetReferencePathFromPaths(ctx context.Context, allocationID string, paths []string) (*reference.Ref, error)
 	GetObjectTree(ctx context.Context, allocationID string, path string) (*reference.Ref, error)
+	GetAllocationChanges(ctx context.Context, connectionID string, allocationID string, clientID string) (*allocation.AllocationChangeCollector, error)
+	VerifyMarker(wm *writemarker.WriteMarkerEntity, ctx context.Context, sa *allocation.Allocation, co *allocation.AllocationChangeCollector) error
+	ApplyChanges(connectionObj *allocation.AllocationChangeCollector, ctx context.Context, allocationRoot string) error
+	GetReference(ctx context.Context, allocationID string, path string) (*reference.Ref, error)
+	UpdateAllocationAndCommitChanges(ctx context.Context, writemarkerObj *writemarker.WriteMarkerEntity, connectionObj *allocation.AllocationChangeCollector, allocationObj *allocation.Allocation, allocationRoot string) error
 }
 
 type packageHandler struct{}
 
+func (r *packageHandler) UpdateAllocationAndCommitChanges(ctx context.Context, writemarkerObj *writemarker.WriteMarkerEntity, connectionObj *allocation.AllocationChangeCollector, allocationObj *allocation.Allocation, allocationRoot string) error {
+	return UpdateAllocationAndCommitChanges(ctx, writemarkerObj, connectionObj, allocationObj, allocationRoot)
+}
+
+func (r *packageHandler) GetReference(ctx context.Context, allocationID string, path string) (*reference.Ref, error) {
+	return reference.GetReference(ctx, allocationID, path)
+}
+
+func (r *packageHandler) ApplyChanges(connectionObj *allocation.AllocationChangeCollector, ctx context.Context, allocationRoot string) error {
+	return connectionObj.ApplyChanges(ctx, allocationRoot)
+}
+
+func (r *packageHandler) VerifyMarker(wm *writemarker.WriteMarkerEntity, ctx context.Context, sa *allocation.Allocation, co *allocation.AllocationChangeCollector) error {
+	return wm.VerifyMarker(ctx, sa, co)
+}
+
+func (r *packageHandler) GetAllocationChanges(ctx context.Context, connectionID string, allocationID string, clientID string) (*allocation.AllocationChangeCollector, error) {
+	return allocation.GetAllocationChanges(ctx, connectionID, allocationID, clientID)
+}
+
 func (r *packageHandler) GetObjectTree(ctx context.Context, allocationID string, path string) (*reference.Ref, error) {
 	return reference.GetObjectTree(ctx, allocationID, path)
 }
diff --git a/code/go/0chain.net/blobbercore/mocks/PackageHandler.go b/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
index 73c3dd36f..e7ad4bde3 100644
--- a/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
+++ b/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
@@ -5,6 +5,8 @@ package mocks
 import (
 	context "context"
 
+	allocation "github.com/0chain/blobber/code/go/0chain.net/blobbercore/allocation"
+
 	mock "github.com/stretchr/testify/mock"
 
 	reference "github.com/0chain/blobber/code/go/0chain.net/blobbercore/reference"
@@ -19,6 +21,43 @@ type PackageHandler struct {
 	mock.Mock
 }
 
+// ApplyChanges provides a mock function with given fields: connectionObj, ctx, allocationRoot
+func (_m *PackageHandler) ApplyChanges(connectionObj *allocation.AllocationChangeCollector, ctx context.Context, allocationRoot string) error {
+	ret := _m.Called(connectionObj, ctx, allocationRoot)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*allocation.AllocationChangeCollector, context.Context, string) error); ok {
+		r0 = rf(connectionObj, ctx, allocationRoot)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+// GetAllocationChanges provides a mock function with given fields: ctx, connectionID, allocationID, clientID
+func (_m *PackageHandler) GetAllocationChanges(ctx context.Context, connectionID string, allocationID string, clientID string) (*allocation.AllocationChangeCollector, error) {
+	ret := _m.Called(ctx, connectionID, allocationID, clientID)
+
+	var r0 *allocation.AllocationChangeCollector
+	if rf, ok := ret.Get(0).(func(context.Context, string, string, string) *allocation.AllocationChangeCollector); ok {
+		r0 = rf(ctx, connectionID, allocationID, clientID)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*allocation.AllocationChangeCollector)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(context.Context, string, string, string) error); ok {
+		r1 = rf(ctx, connectionID, allocationID, clientID)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // GetCollaborators provides a mock function with given fields: ctx, refID
 func (_m *PackageHandler) GetCollaborators(ctx context.Context, refID int64) ([]reference.Collaborator, error) {
 	ret := _m.Called(ctx, refID)
@@ -157,6 +196,29 @@ func (_m *PackageHandler) GetRefWithChildren(ctx context.Context, allocationID s
 	return r0, r1
 }
 
+// GetReference provides a mock function with given fields: ctx, allocationID, path
+func (_m *PackageHandler) GetReference(ctx context.Context, allocationID string, path string) (*reference.Ref, error) {
+	ret := _m.Called(ctx, allocationID, path)
+
+	var r0 *reference.Ref
+	if rf, ok := ret.Get(0).(func(context.Context, string, string) *reference.Ref); ok {
+		r0 = rf(ctx, allocationID, path)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*reference.Ref)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(context.Context, string, string) error); ok {
+		r1 = rf(ctx, allocationID, path)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // GetReferenceFromLookupHash provides a mock function with given fields: ctx, allocationID, path_hash
 func (_m *PackageHandler) GetReferenceFromLookupHash(ctx context.Context, allocationID string, path_hash string) (*reference.Ref, error) {
 	ret := _m.Called(ctx, allocationID, path_hash)
@@ -239,3 +301,31 @@ func (_m *PackageHandler) IsACollaborator(ctx context.Context, refID int64, clie
 
 	return r0
 }
+
+// UpdateAllocationAndCommitChanges provides a mock function with given fields: ctx, writemarkerObj, connectionObj, allocationObj, allocationRoot
+func (_m *PackageHandler) UpdateAllocationAndCommitChanges(ctx context.Context, writemarkerObj *writemarker.WriteMarkerEntity, connectionObj *allocation.AllocationChangeCollector, allocationObj *allocation.Allocation, allocationRoot string) error {
+	ret := _m.Called(ctx, writemarkerObj, connectionObj, allocationObj, allocationRoot)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(context.Context, *writemarker.WriteMarkerEntity, *allocation.AllocationChangeCollector, *allocation.Allocation, string) error); ok {
+		r0 = rf(ctx, writemarkerObj, connectionObj, allocationObj, allocationRoot)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+// VerifyMarker provides a mock function with given fields: wm, ctx, sa, co
+func (_m *PackageHandler) VerifyMarker(wm *writemarker.WriteMarkerEntity, ctx context.Context, sa *allocation.Allocation, co *allocation.AllocationChangeCollector) error {
+	ret := _m.Called(wm, ctx, sa, co)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*writemarker.WriteMarkerEntity, context.Context, *allocation.Allocation, *allocation.AllocationChangeCollector) error); ok {
+		r0 = rf(wm, ctx, sa, co)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
diff --git a/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json b/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
index ce9db1d00..3ab5ce83a 100644
--- a/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
+++ b/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
@@ -46,6 +46,44 @@
         ]
       }
     },
+    "/v2/connection/commit/{allocation}": {
+      "post": {
+        "operationId": "Blobber_Commit",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1CommitResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "allocation",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1CommitRequest"
+            }
+          }
+        ],
+        "tags": [
+          "Blobber"
+        ]
+      }
+    },
     "/v2/file/calculatehash/{allocation}": {
       "post": {
         "operationId": "Blobber_CalculateHash",
@@ -493,6 +531,37 @@
         }
       }
     },
+    "v1CommitRequest": {
+      "type": "object",
+      "properties": {
+        "allocation": {
+          "type": "string"
+        },
+        "connectionId": {
+          "type": "string"
+        },
+        "writeMarker": {
+          "type": "string"
+        }
+      }
+    },
+    "v1CommitResponse": {
+      "type": "object",
+      "properties": {
+        "allocationRoot": {
+          "type": "string"
+        },
+        "writeMarker": {
+          "$ref": "#/definitions/v1WriteMarker"
+        },
+        "errorMessage": {
+          "type": "string"
+        },
+        "success": {
+          "type": "boolean"
+        }
+      }
+    },
     "v1DirMetaData": {
       "type": "object",
       "properties": {
diff --git a/go.mod b/go.mod
index 71485072d..4850314b4 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.3.0
 	github.com/jackc/pgproto3/v2 v2.0.4 // indirect
 	github.com/koding/cache v0.0.0-20161222233015-e8a81b0b3f20
+	github.com/magiconair/properties v1.8.1
 	github.com/minio/minio-go v6.0.14+incompatible
 	github.com/mitchellh/mapstructure v1.3.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect