diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9f22ed90..9401d1597 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,9 @@ on:
   release:
     types:
       - published
-
+  pull_request:
+    paths-ignore:
+      - '**.md'
 env:
   BLOBBER_REGISTRY: ${{ secrets.BLOBBER_REGISTRY }}
   VALIDATOR_REGISTRY: ${{ secrets.VALIDATOR_REGISTRY }}
diff --git a/code/go/0chain.net/blobbercore/blobberHTTP/response.go b/code/go/0chain.net/blobbercore/blobberHTTP/response.go
index bac290f6c..d6c72baf9 100644
--- a/code/go/0chain.net/blobbercore/blobberHTTP/response.go
+++ b/code/go/0chain.net/blobbercore/blobberHTTP/response.go
@@ -5,6 +5,7 @@ import (
 	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/readmarker"
 	"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"
 )
 
 type UploadResult struct {
@@ -51,3 +52,7 @@ type DownloadResponse struct {
 	Path         string                 `json:"-"`
 	LatestRM     *readmarker.ReadMarker `json:"latest_rm"`
 }
+
+type UpdateObjectAttributesResponse struct {
+	WhoPaysForReads common.WhoPays `json:"who_pays_for_reads,omitempty"`
+}
diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
index 6328076f3..1e8cff8ea 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.go
@@ -1825,6 +1825,132 @@ func (x *GetAllocationResponse) GetAllocation() *Allocation {
 	return nil
 }
 
+type UpdateObjectAttributesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Allocation   string `protobuf:"bytes,1,opt,name=allocation,proto3" json:"allocation,omitempty"`
+	Path         string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	PathHash     string `protobuf:"bytes,3,opt,name=path_hash,json=pathHash,proto3" json:"path_hash,omitempty"`
+	ConnectionId string `protobuf:"bytes,4,opt,name=connection_id,json=connectionId,proto3" json:"connection_id,omitempty"`
+	Attributes   string `protobuf:"bytes,5,opt,name=attributes,proto3" json:"attributes,omitempty"`
+}
+
+func (x *UpdateObjectAttributesRequest) Reset() {
+	*x = UpdateObjectAttributesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_blobber_proto_msgTypes[28]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateObjectAttributesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateObjectAttributesRequest) ProtoMessage() {}
+
+func (x *UpdateObjectAttributesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_blobber_proto_msgTypes[28]
+	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 UpdateObjectAttributesRequest.ProtoReflect.Descriptor instead.
+func (*UpdateObjectAttributesRequest) Descriptor() ([]byte, []int) {
+	return file_blobber_proto_rawDescGZIP(), []int{28}
+}
+
+func (x *UpdateObjectAttributesRequest) GetAllocation() string {
+	if x != nil {
+		return x.Allocation
+	}
+	return ""
+}
+
+func (x *UpdateObjectAttributesRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *UpdateObjectAttributesRequest) GetPathHash() string {
+	if x != nil {
+		return x.PathHash
+	}
+	return ""
+}
+
+func (x *UpdateObjectAttributesRequest) GetConnectionId() string {
+	if x != nil {
+		return x.ConnectionId
+	}
+	return ""
+}
+
+func (x *UpdateObjectAttributesRequest) GetAttributes() string {
+	if x != nil {
+		return x.Attributes
+	}
+	return ""
+}
+
+type UpdateObjectAttributesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	WhoPaysForReads int64 `protobuf:"varint,1,opt,name=who_pays_for_reads,json=whoPaysForReads,proto3" json:"who_pays_for_reads,omitempty"`
+}
+
+func (x *UpdateObjectAttributesResponse) Reset() {
+	*x = UpdateObjectAttributesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_blobber_proto_msgTypes[29]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateObjectAttributesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateObjectAttributesResponse) ProtoMessage() {}
+
+func (x *UpdateObjectAttributesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_blobber_proto_msgTypes[29]
+	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 UpdateObjectAttributesResponse.ProtoReflect.Descriptor instead.
+func (*UpdateObjectAttributesResponse) Descriptor() ([]byte, []int) {
+	return file_blobber_proto_rawDescGZIP(), []int{29}
+}
+
+func (x *UpdateObjectAttributesResponse) GetWhoPaysForReads() int64 {
+	if x != nil {
+		return x.WhoPaysForReads
+	}
+	return 0
+}
+
 type Allocation struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1852,7 +1978,7 @@ type Allocation struct {
 func (x *Allocation) Reset() {
 	*x = Allocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[28]
+		mi := &file_blobber_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1865,7 +1991,7 @@ func (x *Allocation) String() string {
 func (*Allocation) ProtoMessage() {}
 
 func (x *Allocation) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[28]
+	mi := &file_blobber_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1878,7 +2004,7 @@ func (x *Allocation) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Allocation.ProtoReflect.Descriptor instead.
 func (*Allocation) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{28}
+	return file_blobber_proto_rawDescGZIP(), []int{30}
 }
 
 func (x *Allocation) GetID() string {
@@ -2015,7 +2141,7 @@ type Term struct {
 func (x *Term) Reset() {
 	*x = Term{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[29]
+		mi := &file_blobber_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2028,7 +2154,7 @@ func (x *Term) String() string {
 func (*Term) ProtoMessage() {}
 
 func (x *Term) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[29]
+	mi := &file_blobber_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2041,7 +2167,7 @@ func (x *Term) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Term.ProtoReflect.Descriptor instead.
 func (*Term) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{29}
+	return file_blobber_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *Term) GetID() int64 {
@@ -2092,7 +2218,7 @@ type FileRef struct {
 func (x *FileRef) Reset() {
 	*x = FileRef{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[30]
+		mi := &file_blobber_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2105,7 +2231,7 @@ func (x *FileRef) String() string {
 func (*FileRef) ProtoMessage() {}
 
 func (x *FileRef) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[30]
+	mi := &file_blobber_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2118,7 +2244,7 @@ func (x *FileRef) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileRef.ProtoReflect.Descriptor instead.
 func (*FileRef) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{30}
+	return file_blobber_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *FileRef) GetType() string {
@@ -2176,7 +2302,7 @@ type FileMetaData struct {
 func (x *FileMetaData) Reset() {
 	*x = FileMetaData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[31]
+		mi := &file_blobber_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2189,7 +2315,7 @@ func (x *FileMetaData) String() string {
 func (*FileMetaData) ProtoMessage() {}
 
 func (x *FileMetaData) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[31]
+	mi := &file_blobber_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2202,7 +2328,7 @@ func (x *FileMetaData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileMetaData.ProtoReflect.Descriptor instead.
 func (*FileMetaData) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{31}
+	return file_blobber_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *FileMetaData) GetType() string {
@@ -2393,7 +2519,7 @@ type DirMetaData struct {
 func (x *DirMetaData) Reset() {
 	*x = DirMetaData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_blobber_proto_msgTypes[32]
+		mi := &file_blobber_proto_msgTypes[34]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2406,7 +2532,7 @@ func (x *DirMetaData) String() string {
 func (*DirMetaData) ProtoMessage() {}
 
 func (x *DirMetaData) ProtoReflect() protoreflect.Message {
-	mi := &file_blobber_proto_msgTypes[32]
+	mi := &file_blobber_proto_msgTypes[34]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2419,7 +2545,7 @@ func (x *DirMetaData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DirMetaData.ProtoReflect.Descriptor instead.
 func (*DirMetaData) Descriptor() ([]byte, []int) {
-	return file_blobber_proto_rawDescGZIP(), []int{32}
+	return file_blobber_proto_rawDescGZIP(), []int{34}
 }
 
 func (x *DirMetaData) GetType() string {
@@ -2744,233 +2870,260 @@ var file_blobber_proto_rawDesc = []byte{
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 }
 
 var (
@@ -2985,41 +3138,43 @@ func file_blobber_proto_rawDescGZIP() []byte {
 	return file_blobber_proto_rawDescData
 }
 
-var file_blobber_proto_msgTypes = make([]protoimpl.MessageInfo, 33)
+var file_blobber_proto_msgTypes = make([]protoimpl.MessageInfo, 35)
 var file_blobber_proto_goTypes = []interface{}{
-	(*CollaboratorRequest)(nil),      // 0: blobber.service.v1.CollaboratorRequest
-	(*CollaboratorResponse)(nil),     // 1: blobber.service.v1.CollaboratorResponse
-	(*CalculateHashRequest)(nil),     // 2: blobber.service.v1.CalculateHashRequest
-	(*CalculateHashResponse)(nil),    // 3: blobber.service.v1.CalculateHashResponse
-	(*CommitRequest)(nil),            // 4: blobber.service.v1.CommitRequest
-	(*CommitResponse)(nil),           // 5: blobber.service.v1.CommitResponse
-	(*CommitMetaTxnRequest)(nil),     // 6: blobber.service.v1.CommitMetaTxnRequest
-	(*CommitMetaTxnResponse)(nil),    // 7: blobber.service.v1.CommitMetaTxnResponse
-	(*GetObjectTreeRequest)(nil),     // 8: blobber.service.v1.GetObjectTreeRequest
-	(*GetObjectTreeResponse)(nil),    // 9: blobber.service.v1.GetObjectTreeResponse
-	(*GetReferencePathRequest)(nil),  // 10: blobber.service.v1.GetReferencePathRequest
-	(*GetReferencePathResponse)(nil), // 11: blobber.service.v1.GetReferencePathResponse
-	(*ReferencePath)(nil),            // 12: blobber.service.v1.ReferencePath
-	(*GetObjectPathRequest)(nil),     // 13: blobber.service.v1.GetObjectPathRequest
-	(*GetObjectPathResponse)(nil),    // 14: blobber.service.v1.GetObjectPathResponse
-	(*ObjectPath)(nil),               // 15: blobber.service.v1.ObjectPath
-	(*WriteMarker)(nil),              // 16: blobber.service.v1.WriteMarker
-	(*ListEntitiesRequest)(nil),      // 17: blobber.service.v1.ListEntitiesRequest
-	(*ListEntitiesResponse)(nil),     // 18: blobber.service.v1.ListEntitiesResponse
-	(*GetFileStatsRequest)(nil),      // 19: blobber.service.v1.GetFileStatsRequest
-	(*GetFileStatsResponse)(nil),     // 20: blobber.service.v1.GetFileStatsResponse
-	(*FileStats)(nil),                // 21: blobber.service.v1.FileStats
-	(*GetFileMetaDataRequest)(nil),   // 22: blobber.service.v1.GetFileMetaDataRequest
-	(*GetFileMetaDataResponse)(nil),  // 23: blobber.service.v1.GetFileMetaDataResponse
-	(*CommitMetaTxn)(nil),            // 24: blobber.service.v1.CommitMetaTxn
-	(*Collaborator)(nil),             // 25: blobber.service.v1.Collaborator
-	(*GetAllocationRequest)(nil),     // 26: blobber.service.v1.GetAllocationRequest
-	(*GetAllocationResponse)(nil),    // 27: blobber.service.v1.GetAllocationResponse
-	(*Allocation)(nil),               // 28: blobber.service.v1.Allocation
-	(*Term)(nil),                     // 29: blobber.service.v1.Term
-	(*FileRef)(nil),                  // 30: blobber.service.v1.FileRef
-	(*FileMetaData)(nil),             // 31: blobber.service.v1.FileMetaData
-	(*DirMetaData)(nil),              // 32: blobber.service.v1.DirMetaData
+	(*CollaboratorRequest)(nil),            // 0: blobber.service.v1.CollaboratorRequest
+	(*CollaboratorResponse)(nil),           // 1: blobber.service.v1.CollaboratorResponse
+	(*CalculateHashRequest)(nil),           // 2: blobber.service.v1.CalculateHashRequest
+	(*CalculateHashResponse)(nil),          // 3: blobber.service.v1.CalculateHashResponse
+	(*CommitRequest)(nil),                  // 4: blobber.service.v1.CommitRequest
+	(*CommitResponse)(nil),                 // 5: blobber.service.v1.CommitResponse
+	(*CommitMetaTxnRequest)(nil),           // 6: blobber.service.v1.CommitMetaTxnRequest
+	(*CommitMetaTxnResponse)(nil),          // 7: blobber.service.v1.CommitMetaTxnResponse
+	(*GetObjectTreeRequest)(nil),           // 8: blobber.service.v1.GetObjectTreeRequest
+	(*GetObjectTreeResponse)(nil),          // 9: blobber.service.v1.GetObjectTreeResponse
+	(*GetReferencePathRequest)(nil),        // 10: blobber.service.v1.GetReferencePathRequest
+	(*GetReferencePathResponse)(nil),       // 11: blobber.service.v1.GetReferencePathResponse
+	(*ReferencePath)(nil),                  // 12: blobber.service.v1.ReferencePath
+	(*GetObjectPathRequest)(nil),           // 13: blobber.service.v1.GetObjectPathRequest
+	(*GetObjectPathResponse)(nil),          // 14: blobber.service.v1.GetObjectPathResponse
+	(*ObjectPath)(nil),                     // 15: blobber.service.v1.ObjectPath
+	(*WriteMarker)(nil),                    // 16: blobber.service.v1.WriteMarker
+	(*ListEntitiesRequest)(nil),            // 17: blobber.service.v1.ListEntitiesRequest
+	(*ListEntitiesResponse)(nil),           // 18: blobber.service.v1.ListEntitiesResponse
+	(*GetFileStatsRequest)(nil),            // 19: blobber.service.v1.GetFileStatsRequest
+	(*GetFileStatsResponse)(nil),           // 20: blobber.service.v1.GetFileStatsResponse
+	(*FileStats)(nil),                      // 21: blobber.service.v1.FileStats
+	(*GetFileMetaDataRequest)(nil),         // 22: blobber.service.v1.GetFileMetaDataRequest
+	(*GetFileMetaDataResponse)(nil),        // 23: blobber.service.v1.GetFileMetaDataResponse
+	(*CommitMetaTxn)(nil),                  // 24: blobber.service.v1.CommitMetaTxn
+	(*Collaborator)(nil),                   // 25: blobber.service.v1.Collaborator
+	(*GetAllocationRequest)(nil),           // 26: blobber.service.v1.GetAllocationRequest
+	(*GetAllocationResponse)(nil),          // 27: blobber.service.v1.GetAllocationResponse
+	(*UpdateObjectAttributesRequest)(nil),  // 28: blobber.service.v1.UpdateObjectAttributesRequest
+	(*UpdateObjectAttributesResponse)(nil), // 29: blobber.service.v1.UpdateObjectAttributesResponse
+	(*Allocation)(nil),                     // 30: blobber.service.v1.Allocation
+	(*Term)(nil),                           // 31: blobber.service.v1.Term
+	(*FileRef)(nil),                        // 32: blobber.service.v1.FileRef
+	(*FileMetaData)(nil),                   // 33: blobber.service.v1.FileMetaData
+	(*DirMetaData)(nil),                    // 34: blobber.service.v1.DirMetaData
 }
 var file_blobber_proto_depIdxs = []int32{
 	25, // 0: blobber.service.v1.CollaboratorResponse.Collaborators:type_name -> blobber.service.v1.Collaborator
@@ -3028,23 +3183,23 @@ var file_blobber_proto_depIdxs = []int32{
 	16, // 3: blobber.service.v1.GetObjectTreeResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
 	12, // 4: blobber.service.v1.GetReferencePathResponse.ReferencePath:type_name -> blobber.service.v1.ReferencePath
 	16, // 5: blobber.service.v1.GetReferencePathResponse.LatestWM:type_name -> blobber.service.v1.WriteMarker
-	30, // 6: blobber.service.v1.ReferencePath.MetaData:type_name -> blobber.service.v1.FileRef
+	32, // 6: blobber.service.v1.ReferencePath.MetaData:type_name -> blobber.service.v1.FileRef
 	12, // 7: blobber.service.v1.ReferencePath.List:type_name -> blobber.service.v1.ReferencePath
 	15, // 8: blobber.service.v1.GetObjectPathResponse.ObjectPath:type_name -> blobber.service.v1.ObjectPath
 	16, // 9: blobber.service.v1.GetObjectPathResponse.LatestWriteMarker:type_name -> blobber.service.v1.WriteMarker
-	30, // 10: blobber.service.v1.ObjectPath.Meta:type_name -> blobber.service.v1.FileRef
-	30, // 11: blobber.service.v1.ObjectPath.Path:type_name -> blobber.service.v1.FileRef
-	30, // 12: blobber.service.v1.ObjectPath.PathList:type_name -> blobber.service.v1.FileRef
-	30, // 13: blobber.service.v1.ListEntitiesResponse.MetaData:type_name -> blobber.service.v1.FileRef
-	30, // 14: blobber.service.v1.ListEntitiesResponse.Entities:type_name -> blobber.service.v1.FileRef
-	30, // 15: blobber.service.v1.GetFileStatsResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	32, // 10: blobber.service.v1.ObjectPath.Meta:type_name -> blobber.service.v1.FileRef
+	32, // 11: blobber.service.v1.ObjectPath.Path:type_name -> blobber.service.v1.FileRef
+	32, // 12: blobber.service.v1.ObjectPath.PathList:type_name -> blobber.service.v1.FileRef
+	32, // 13: blobber.service.v1.ListEntitiesResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	32, // 14: blobber.service.v1.ListEntitiesResponse.Entities:type_name -> blobber.service.v1.FileRef
+	32, // 15: blobber.service.v1.GetFileStatsResponse.MetaData:type_name -> blobber.service.v1.FileRef
 	21, // 16: blobber.service.v1.GetFileStatsResponse.Stats:type_name -> blobber.service.v1.FileStats
-	30, // 17: blobber.service.v1.GetFileMetaDataResponse.MetaData:type_name -> blobber.service.v1.FileRef
+	32, // 17: blobber.service.v1.GetFileMetaDataResponse.MetaData:type_name -> blobber.service.v1.FileRef
 	25, // 18: blobber.service.v1.GetFileMetaDataResponse.Collaborators:type_name -> blobber.service.v1.Collaborator
-	28, // 19: blobber.service.v1.GetAllocationResponse.allocation:type_name -> blobber.service.v1.Allocation
-	29, // 20: blobber.service.v1.Allocation.Terms:type_name -> blobber.service.v1.Term
-	31, // 21: blobber.service.v1.FileRef.FileMetaData:type_name -> blobber.service.v1.FileMetaData
-	32, // 22: blobber.service.v1.FileRef.DirMetaData:type_name -> blobber.service.v1.DirMetaData
+	30, // 19: blobber.service.v1.GetAllocationResponse.allocation:type_name -> blobber.service.v1.Allocation
+	31, // 20: blobber.service.v1.Allocation.Terms:type_name -> blobber.service.v1.Term
+	33, // 21: blobber.service.v1.FileRef.FileMetaData:type_name -> blobber.service.v1.FileMetaData
+	34, // 22: blobber.service.v1.FileRef.DirMetaData:type_name -> blobber.service.v1.DirMetaData
 	24, // 23: blobber.service.v1.FileMetaData.CommitMetaTxns:type_name -> blobber.service.v1.CommitMetaTxn
 	26, // 24: blobber.service.v1.Blobber.GetAllocation:input_type -> blobber.service.v1.GetAllocationRequest
 	22, // 25: blobber.service.v1.Blobber.GetFileMetaData:input_type -> blobber.service.v1.GetFileMetaDataRequest
@@ -3056,20 +3211,22 @@ var file_blobber_proto_depIdxs = []int32{
 	4,  // 31: blobber.service.v1.Blobber.Commit:input_type -> blobber.service.v1.CommitRequest
 	2,  // 32: blobber.service.v1.Blobber.CalculateHash:input_type -> blobber.service.v1.CalculateHashRequest
 	6,  // 33: blobber.service.v1.Blobber.CommitMetaTxn:input_type -> blobber.service.v1.CommitMetaTxnRequest
-	0,  // 34: blobber.service.v1.Blobber.Collaborator:input_type -> blobber.service.v1.CollaboratorRequest
-	27, // 35: blobber.service.v1.Blobber.GetAllocation:output_type -> blobber.service.v1.GetAllocationResponse
-	23, // 36: blobber.service.v1.Blobber.GetFileMetaData:output_type -> blobber.service.v1.GetFileMetaDataResponse
-	20, // 37: blobber.service.v1.Blobber.GetFileStats:output_type -> blobber.service.v1.GetFileStatsResponse
-	18, // 38: blobber.service.v1.Blobber.ListEntities:output_type -> blobber.service.v1.ListEntitiesResponse
-	14, // 39: blobber.service.v1.Blobber.GetObjectPath:output_type -> blobber.service.v1.GetObjectPathResponse
-	11, // 40: blobber.service.v1.Blobber.GetReferencePath:output_type -> blobber.service.v1.GetReferencePathResponse
-	9,  // 41: blobber.service.v1.Blobber.GetObjectTree:output_type -> blobber.service.v1.GetObjectTreeResponse
-	5,  // 42: blobber.service.v1.Blobber.Commit:output_type -> blobber.service.v1.CommitResponse
-	3,  // 43: blobber.service.v1.Blobber.CalculateHash:output_type -> blobber.service.v1.CalculateHashResponse
-	7,  // 44: blobber.service.v1.Blobber.CommitMetaTxn:output_type -> blobber.service.v1.CommitMetaTxnResponse
-	1,  // 45: blobber.service.v1.Blobber.Collaborator:output_type -> blobber.service.v1.CollaboratorResponse
-	35, // [35:46] is the sub-list for method output_type
-	24, // [24:35] is the sub-list for method input_type
+	28, // 34: blobber.service.v1.Blobber.UpdateObjectAttributes:input_type -> blobber.service.v1.UpdateObjectAttributesRequest
+	0,  // 35: blobber.service.v1.Blobber.Collaborator:input_type -> blobber.service.v1.CollaboratorRequest
+	27, // 36: blobber.service.v1.Blobber.GetAllocation:output_type -> blobber.service.v1.GetAllocationResponse
+	23, // 37: blobber.service.v1.Blobber.GetFileMetaData:output_type -> blobber.service.v1.GetFileMetaDataResponse
+	20, // 38: blobber.service.v1.Blobber.GetFileStats:output_type -> blobber.service.v1.GetFileStatsResponse
+	18, // 39: blobber.service.v1.Blobber.ListEntities:output_type -> blobber.service.v1.ListEntitiesResponse
+	14, // 40: blobber.service.v1.Blobber.GetObjectPath:output_type -> blobber.service.v1.GetObjectPathResponse
+	11, // 41: blobber.service.v1.Blobber.GetReferencePath:output_type -> blobber.service.v1.GetReferencePathResponse
+	9,  // 42: blobber.service.v1.Blobber.GetObjectTree:output_type -> blobber.service.v1.GetObjectTreeResponse
+	5,  // 43: blobber.service.v1.Blobber.Commit:output_type -> blobber.service.v1.CommitResponse
+	3,  // 44: blobber.service.v1.Blobber.CalculateHash:output_type -> blobber.service.v1.CalculateHashResponse
+	7,  // 45: blobber.service.v1.Blobber.CommitMetaTxn:output_type -> blobber.service.v1.CommitMetaTxnResponse
+	29, // 46: blobber.service.v1.Blobber.UpdateObjectAttributes:output_type -> blobber.service.v1.UpdateObjectAttributesResponse
+	1,  // 47: blobber.service.v1.Blobber.Collaborator:output_type -> blobber.service.v1.CollaboratorResponse
+	36, // [36:48] is the sub-list for method output_type
+	24, // [24:36] is the sub-list for method input_type
 	24, // [24:24] is the sub-list for extension type_name
 	24, // [24:24] is the sub-list for extension extendee
 	0,  // [0:24] is the sub-list for field type_name
@@ -3418,7 +3575,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Allocation); i {
+			switch v := v.(*UpdateObjectAttributesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3430,7 +3587,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Term); i {
+			switch v := v.(*UpdateObjectAttributesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3442,7 +3599,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FileRef); i {
+			switch v := v.(*Allocation); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3454,7 +3611,7 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FileMetaData); i {
+			switch v := v.(*Term); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3466,6 +3623,30 @@ func file_blobber_proto_init() {
 			}
 		}
 		file_blobber_proto_msgTypes[32].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[33].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[34].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DirMetaData); i {
 			case 0:
 				return &v.state
@@ -3484,7 +3665,7 @@ func file_blobber_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_blobber_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   33,
+			NumMessages:   35,
 			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 e068c3e5d..98eb37217 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber.pb.gw.go
@@ -691,6 +691,74 @@ func local_request_Blobber_CommitMetaTxn_0(ctx context.Context, marshaler runtim
 
 }
 
+func request_Blobber_UpdateObjectAttributes_0(ctx context.Context, marshaler runtime.Marshaler, client BlobberClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq UpdateObjectAttributesRequest
+	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.UpdateObjectAttributes(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Blobber_UpdateObjectAttributes_0(ctx context.Context, marshaler runtime.Marshaler, server BlobberServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq UpdateObjectAttributesRequest
+	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.UpdateObjectAttributes(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 func request_Blobber_Collaborator_0(ctx context.Context, marshaler runtime.Marshaler, client BlobberClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq CollaboratorRequest
 	var metadata runtime.ServerMetadata
@@ -995,6 +1063,29 @@ func RegisterBlobberHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("POST", pattern_Blobber_UpdateObjectAttributes_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/UpdateObjectAttributes")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Blobber_UpdateObjectAttributes_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_UpdateObjectAttributes_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_Blobber_Collaborator_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -1259,6 +1350,26 @@ func RegisterBlobberHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("POST", pattern_Blobber_UpdateObjectAttributes_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/UpdateObjectAttributes")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Blobber_UpdateObjectAttributes_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_UpdateObjectAttributes_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_Blobber_Collaborator_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -1303,6 +1414,8 @@ var (
 
 	pattern_Blobber_CommitMetaTxn_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "file", "commitmetatxn", "allocation"}, ""))
 
+	pattern_Blobber_UpdateObjectAttributes_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "file", "attributes", "allocation"}, ""))
+
 	pattern_Blobber_Collaborator_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "file", "collaborator", "allocation"}, ""))
 )
 
@@ -1327,5 +1440,7 @@ var (
 
 	forward_Blobber_CommitMetaTxn_0 = runtime.ForwardResponseMessage
 
+	forward_Blobber_UpdateObjectAttributes_0 = runtime.ForwardResponseMessage
+
 	forward_Blobber_Collaborator_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 aa84ebe52..9d4e7a0d8 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/blobber_grpc.pb.go
@@ -27,6 +27,7 @@ type BlobberClient interface {
 	Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitResponse, error)
 	CalculateHash(ctx context.Context, in *CalculateHashRequest, opts ...grpc.CallOption) (*CalculateHashResponse, error)
 	CommitMetaTxn(ctx context.Context, in *CommitMetaTxnRequest, opts ...grpc.CallOption) (*CommitMetaTxnResponse, error)
+	UpdateObjectAttributes(ctx context.Context, in *UpdateObjectAttributesRequest, opts ...grpc.CallOption) (*UpdateObjectAttributesResponse, error)
 	Collaborator(ctx context.Context, in *CollaboratorRequest, opts ...grpc.CallOption) (*CollaboratorResponse, error)
 }
 
@@ -128,6 +129,15 @@ func (c *blobberClient) CommitMetaTxn(ctx context.Context, in *CommitMetaTxnRequ
 	return out, nil
 }
 
+func (c *blobberClient) UpdateObjectAttributes(ctx context.Context, in *UpdateObjectAttributesRequest, opts ...grpc.CallOption) (*UpdateObjectAttributesResponse, error) {
+	out := new(UpdateObjectAttributesResponse)
+	err := c.cc.Invoke(ctx, "/blobber.service.v1.Blobber/UpdateObjectAttributes", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *blobberClient) Collaborator(ctx context.Context, in *CollaboratorRequest, opts ...grpc.CallOption) (*CollaboratorResponse, error) {
 	out := new(CollaboratorResponse)
 	err := c.cc.Invoke(ctx, "/blobber.service.v1.Blobber/Collaborator", in, out, opts...)
@@ -151,6 +161,7 @@ type BlobberServer interface {
 	Commit(context.Context, *CommitRequest) (*CommitResponse, error)
 	CalculateHash(context.Context, *CalculateHashRequest) (*CalculateHashResponse, error)
 	CommitMetaTxn(context.Context, *CommitMetaTxnRequest) (*CommitMetaTxnResponse, error)
+	UpdateObjectAttributes(context.Context, *UpdateObjectAttributesRequest) (*UpdateObjectAttributesResponse, error)
 	Collaborator(context.Context, *CollaboratorRequest) (*CollaboratorResponse, error)
 	mustEmbedUnimplementedBlobberServer()
 }
@@ -189,6 +200,9 @@ func (UnimplementedBlobberServer) CalculateHash(context.Context, *CalculateHashR
 func (UnimplementedBlobberServer) CommitMetaTxn(context.Context, *CommitMetaTxnRequest) (*CommitMetaTxnResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CommitMetaTxn not implemented")
 }
+func (UnimplementedBlobberServer) UpdateObjectAttributes(context.Context, *UpdateObjectAttributesRequest) (*UpdateObjectAttributesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateObjectAttributes not implemented")
+}
 func (UnimplementedBlobberServer) Collaborator(context.Context, *CollaboratorRequest) (*CollaboratorResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Collaborator not implemented")
 }
@@ -385,6 +399,24 @@ func _Blobber_CommitMetaTxn_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Blobber_UpdateObjectAttributes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateObjectAttributesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BlobberServer).UpdateObjectAttributes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/blobber.service.v1.Blobber/UpdateObjectAttributes",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BlobberServer).UpdateObjectAttributes(ctx, req.(*UpdateObjectAttributesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Blobber_Collaborator_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(CollaboratorRequest)
 	if err := dec(in); err != nil {
@@ -447,6 +479,10 @@ var _Blobber_serviceDesc = grpc.ServiceDesc{
 			MethodName: "CommitMetaTxn",
 			Handler:    _Blobber_CommitMetaTxn_Handler,
 		},
+		{
+			MethodName: "UpdateObjectAttributes",
+			Handler:    _Blobber_UpdateObjectAttributes_Handler,
+		},
 		{
 			MethodName: "Collaborator",
 			Handler:    _Blobber_Collaborator_Handler,
diff --git a/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto b/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
index 1861cc142..f24082128 100644
--- a/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
+++ b/code/go/0chain.net/blobbercore/blobbergrpc/proto/blobber.proto
@@ -64,6 +64,13 @@ service Blobber {
     };
   }
 
+  rpc UpdateObjectAttributes(UpdateObjectAttributesRequest) returns (UpdateObjectAttributesResponse) {
+    option (google.api.http) = {
+      post: "/v2/file/attributes/{allocation}"
+      body: "*"
+    };
+  }
+
   rpc Collaborator(CollaboratorRequest) returns (CollaboratorResponse) {
     option (google.api.http) = {
       post: "/v2/file/collaborator/{allocation}"
@@ -243,6 +250,17 @@ message GetAllocationResponse {
   Allocation allocation = 1;
 }
 
+message UpdateObjectAttributesRequest {
+  string allocation = 1;
+  string path = 2;
+  string path_hash = 3;
+  string connection_id = 4;
+  string attributes = 5;
+}
+message UpdateObjectAttributesResponse {
+  int64 who_pays_for_reads = 1;
+}
+
 message Allocation {
   string ID = 1;
   string Tx = 2;
diff --git a/code/go/0chain.net/blobbercore/convert/responseHandler.go b/code/go/0chain.net/blobbercore/convert/responseHandler.go
index d74d228cb..04e5a72b0 100644
--- a/code/go/0chain.net/blobbercore/convert/responseHandler.go
+++ b/code/go/0chain.net/blobbercore/convert/responseHandler.go
@@ -3,6 +3,7 @@ package convert
 import (
 	"context"
 	"encoding/json"
+	"github.com/0chain/blobber/code/go/0chain.net/core/common"
 
 	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/allocation"
 	"github.com/0chain/blobber/code/go/0chain.net/blobbercore/blobberHTTP"
@@ -141,3 +142,10 @@ func CollaboratorResponse(response *blobbergrpc.CollaboratorResponse) interface{
 
 	return nil
 }
+
+func UpdateObjectAttributesResponseHandler(
+	updateAttributesResponse *blobbergrpc.UpdateObjectAttributesResponse) *blobberHTTP.UpdateObjectAttributesResponse {
+	return &blobberHTTP.UpdateObjectAttributesResponse{
+		WhoPaysForReads: common.WhoPays(updateAttributesResponse.WhoPaysForReads),
+	}
+}
diff --git a/code/go/0chain.net/blobbercore/handler/handler.go b/code/go/0chain.net/blobbercore/handler/handler.go
index 15419835f..d55f3a5cc 100644
--- a/code/go/0chain.net/blobbercore/handler/handler.go
+++ b/code/go/0chain.net/blobbercore/handler/handler.go
@@ -36,7 +36,7 @@ func SetupHandlers(r *mux.Router) {
 	r.HandleFunc("/v1/file/download/{allocation}", common.UserRateLimit(common.ToByteStream(WithConnection(DownloadHandler))))
 	r.HandleFunc("/v1/file/rename/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(RenameHandler))))
 	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/file/attributes/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(UpdateAttributesHandler(svc))))).Methods(http.MethodPost)
 
 	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(svc))))).Methods(http.MethodPost)
@@ -44,13 +44,13 @@ func SetupHandlers(r *mux.Router) {
 	r.HandleFunc("/v1/file/calculatehash/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithConnection(CalculateHashHandler(svc))))).Methods(http.MethodPost)
 
 	//object info related apis
-	r.HandleFunc("/allocation", common.UserRateLimit(common.ToJSONResponse(WithConnection(AllocationHandler(svc))))).Methods("GET")
-	r.HandleFunc("/v1/file/meta/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(FileMetaHandler(svc))))).Methods("POST")
-	r.HandleFunc("/v1/file/stats/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(FileStatsHandler(svc))))).Methods("POST")
-	r.HandleFunc("/v1/file/list/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ListHandler(svc))))).Methods("GET")
-	r.HandleFunc("/v1/file/objectpath/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ObjectPathHandler(svc))))).Methods("GET")
-	r.HandleFunc("/v1/file/referencepath/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ReferencePathHandler(svc))))).Methods("GET")
-	r.HandleFunc("/v1/file/objecttree/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ObjectTreeHandler(svc))))).Methods("GET")
+	r.HandleFunc("/allocation", common.UserRateLimit(common.ToJSONResponse(WithConnection(AllocationHandler(svc))))).Methods(http.MethodGet)
+	r.HandleFunc("/v1/file/meta/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(FileMetaHandler(svc))))).Methods(http.MethodPost)
+	r.HandleFunc("/v1/file/stats/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(FileStatsHandler(svc))))).Methods(http.MethodPost)
+	r.HandleFunc("/v1/file/list/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ListHandler(svc))))).Methods(http.MethodGet)
+	r.HandleFunc("/v1/file/objectpath/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ObjectPathHandler(svc))))).Methods(http.MethodGet)
+	r.HandleFunc("/v1/file/referencepath/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ReferencePathHandler(svc))))).Methods(http.MethodGet)
+	r.HandleFunc("/v1/file/objecttree/{allocation}", common.UserRateLimit(common.ToJSONResponse(WithReadOnlyConnection(ObjectTreeHandler(svc))))).Methods(http.MethodGet)
 
 	//admin related
 	r.HandleFunc("/_debug", common.UserRateLimit(common.ToJSONResponse(DumpGoRoutines)))
@@ -337,14 +337,23 @@ func UploadHandler(ctx context.Context, r *http.Request) (interface{}, error) {
 	return response, nil
 }
 
-func UpdateAttributesHandler(ctx context.Context, r *http.Request) (interface{}, error) {
-	ctx = setupHandlerContext(ctx, r)
-	response, err := storageHandler.UpdateObjectAttributes(ctx, r)
-	if err != nil {
-		return nil, err
-	}
+func UpdateAttributesHandler(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)
 
-	return response, nil
+		updateAttrResp, err := svc.UpdateObjectAttributes(ctx, &blobbergrpc.UpdateObjectAttributesRequest{
+			Path:         r.FormValue("path"),
+			PathHash:     r.FormValue("path_hash"),
+			Allocation:   mux.Vars(r)["allocation"],
+			ConnectionId: r.FormValue("connection_id"),
+			Attributes:   r.FormValue("attributes"),
+		})
+		if err != nil {
+			return nil, err
+		}
+
+		return convert.UpdateObjectAttributesResponseHandler(updateAttrResp), nil
+	}
 }
 
 func CalculateHashHandler(svc *blobberGRPCService) func(ctx context.Context, r *http.Request) (interface{}, error) {
diff --git a/code/go/0chain.net/blobbercore/handler/handler_test.go b/code/go/0chain.net/blobbercore/handler/handler_test.go
index 714cbb755..a72c6f60b 100644
--- a/code/go/0chain.net/blobbercore/handler/handler_test.go
+++ b/code/go/0chain.net/blobbercore/handler/handler_test.go
@@ -158,7 +158,7 @@ func setupHandlers() (*mux.Router, map[string]string) {
 	aName := "Attributes"
 	router.HandleFunc(aPath, common.UserRateLimit(
 		common.ToJSONResponse(
-			WithReadOnlyConnection(UpdateAttributesHandler),
+			WithReadOnlyConnection(UpdateAttributesHandler(svc)),
 		),
 	),
 	).Name(aName)
diff --git a/code/go/0chain.net/blobbercore/handler/helper.go b/code/go/0chain.net/blobbercore/handler/helper.go
index 731ace040..a13363990 100644
--- a/code/go/0chain.net/blobbercore/handler/helper.go
+++ b/code/go/0chain.net/blobbercore/handler/helper.go
@@ -29,6 +29,7 @@ type StorageHandlerI interface {
 
 // PackageHandler is an interface for all static functions that may need to be mocked
 type PackageHandler interface {
+	GetReferenceLookup(ctx context.Context, allocationID string, path string) string
 	GetReferenceFromLookupHash(ctx context.Context, allocationID string, path_hash string) (*reference.Ref, error)
 	GetCommitMetaTxns(ctx context.Context, refID int64) ([]reference.CommitMetaTxn, error)
 	AddCommitMetaTxn(ctx context.Context, refID int64, txnID string) error
@@ -41,8 +42,9 @@ type PackageHandler interface {
 	GetRefWithChildren(ctx context.Context, allocationID string, path string) (*reference.Ref, error)
 	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)
+	SaveAllocationChanges(ctx context.Context, alloc *allocation.AllocationChangeCollector) error
+	GetObjectTree(ctx context.Context, allocationID string, path string) (*reference.Ref, 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)
@@ -95,6 +97,10 @@ func (r *packageHandler) GetWriteMarkerEntity(ctx context.Context, allocation_ro
 	return writemarker.GetWriteMarkerEntity(ctx, allocation_root)
 }
 
+func (r *packageHandler) GetReferenceLookup(ctx context.Context, allocationID string, path string) string {
+	return reference.GetReferenceLookup(allocationID, path)
+}
+
 func (r *packageHandler) GetReferenceFromLookupHash(ctx context.Context, allocationID string, path_hash string) (*reference.Ref, error) {
 	return reference.GetReferenceFromLookupHash(ctx, allocationID, path_hash)
 }
@@ -122,3 +128,7 @@ func (r *packageHandler) AddCollaborator(ctx context.Context, refID int64, clien
 func (r *packageHandler) RemoveCollaborator(ctx context.Context, refID int64, clientID string) error {
 	return reference.RemoveCollaborator(ctx, refID, clientID)
 }
+
+func (r packageHandler) SaveAllocationChanges(ctx context.Context, alloc *allocation.AllocationChangeCollector) error {
+	return alloc.Save(ctx)
+}
diff --git a/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler.go b/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler.go
new file mode 100644
index 000000000..d8713294b
--- /dev/null
+++ b/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler.go
@@ -0,0 +1,113 @@
+package handler
+
+import (
+	"context"
+	"encoding/json"
+	"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/core/common"
+	"github.com/0chain/blobber/code/go/0chain.net/core/lock"
+	"github.com/grpc-ecosystem/go-grpc-middleware/logging/zap/ctxzap"
+	"go.uber.org/zap"
+)
+
+func (b *blobberGRPCService) UpdateObjectAttributes(ctx context.Context, r *blobbergrpc.UpdateObjectAttributesRequest) (*blobbergrpc.UpdateObjectAttributesResponse, error) {
+	logger := ctxzap.Extract(ctx)
+
+	allocationTx := r.Allocation
+	allocationObj, err := b.storageHandler.verifyAllocation(ctx, allocationTx, false)
+	if err != nil {
+		return nil, common.NewError("invalid_parameters", "Invalid allocation id passed."+err.Error())
+	}
+
+	md := GetGRPCMetaDataFromCtx(ctx)
+	valid, err := verifySignatureFromRequest(allocationTx, md.ClientSignature, allocationObj.OwnerPublicKey)
+	if !valid || err != nil {
+		return nil, common.NewError("invalid_signature", "Invalid signature")
+	}
+
+	//// runtime type check
+	//_ = ctx.Value(constants.CLIENT_KEY_CONTEXT_KEY).(string) //why this removed?
+
+	clientID := md.Client
+	if clientID == "" {
+		return nil, common.NewError("update_object_attributes",
+			"missing client ID")
+	}
+
+	var attributes = r.Attributes // new attributes as string
+	if attributes == "" {
+		return nil, common.NewError("update_object_attributes",
+			"missing new attributes, pass at least {} for empty attributes")
+	}
+
+	var attrs = new(reference.Attributes)
+	if err = json.Unmarshal([]byte(attributes), attrs); err != nil {
+		return nil, common.NewErrorf("update_object_attributes",
+			"decoding given attributes: %v", err)
+	}
+
+	pathHash := r.PathHash
+	path := r.Path
+	if len(pathHash) == 0 {
+		if len(path) == 0 {
+			return nil, common.NewError("invalid_parameters", "Invalid path")
+		}
+		pathHash = b.packageHandler.GetReferenceLookup(ctx, allocationObj.ID, path)
+	}
+
+	if allocationObj.OwnerID != clientID {
+		return nil, common.NewError(
+			"invalid_operation", "Operation needs to be performed by the owner of the allocation")
+	}
+
+	var connID = r.ConnectionId
+	if connID == "" {
+		return nil, common.NewErrorf("update_object_attributes",
+			"invalid connection id passed: %s", connID)
+	}
+
+	var conn *allocation.AllocationChangeCollector
+	conn, err = b.packageHandler.GetAllocationChanges(ctx, connID, allocationObj.ID, clientID)
+	if err != nil {
+		return nil, common.NewErrorf("update_object_attributes",
+			"reading metadata for connection: %v", err)
+	}
+
+	var mutex = lock.GetMutex(conn.TableName(), connID)
+
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	var ref *reference.Ref
+	ref, err = b.packageHandler.GetReferenceFromLookupHash(ctx, allocationObj.ID, pathHash)
+	if err != nil {
+		return nil, common.NewErrorf("update_object_attributes",
+			"invalid file path: %v", err)
+	}
+
+	var change = new(allocation.AllocationChange)
+	change.ConnectionID = conn.ConnectionID
+	change.Operation = allocation.UPDATE_ATTRS_OPERATION
+
+	var uafc = &allocation.AttributesChange{
+		ConnectionID: conn.ConnectionID,
+		AllocationID: conn.AllocationID,
+		Path:         ref.Path,
+		Attributes:   attrs,
+	}
+
+	conn.AddChange(change, uafc)
+
+	err = b.packageHandler.SaveAllocationChanges(ctx, conn)
+	if err != nil {
+		logger.Error("update_object_attributes: "+
+			"error in writing the connection meta data", zap.Error(err))
+		return nil, common.NewError("update_object_attributes",
+			"error writing the connection meta data")
+	}
+
+	// return new attributes as result
+	return &blobbergrpc.UpdateObjectAttributesResponse{WhoPaysForReads: int64(attrs.WhoPaysForReads)}, nil
+}
diff --git a/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler_test.go b/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler_test.go
new file mode 100644
index 000000000..554807548
--- /dev/null
+++ b/code/go/0chain.net/blobbercore/handler/object_operation_grpc_handler_test.go
@@ -0,0 +1,97 @@
+package handler
+
+import (
+	"context"
+	"errors"
+	"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/blobbercore/reference"
+	"github.com/0chain/blobber/code/go/0chain.net/core/common"
+	"github.com/0chain/blobber/code/go/0chain.net/core/encryption"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"google.golang.org/grpc/metadata"
+	"testing"
+)
+
+func TestBlobberGRPCService_UpdateObjectAttributes_Success(t *testing.T) {
+	allocationTx := randString(32)
+	pubKey, _, signScheme := GeneratePubPrivateKey(t)
+	clientSignature, _ := signScheme.Sign(encryption.Hash(allocationTx))
+	req := &blobbergrpc.UpdateObjectAttributesRequest{
+		Allocation:   allocationTx,
+		Attributes:   `{"who_pays_for_reads" : 1}`,
+		Path:         `path`,
+		ConnectionId: `connection_id`,
+	}
+
+	ctx := metadata.NewIncomingContext(context.Background(), metadata.New(map[string]string{
+		common.ClientHeader:          "client",
+		common.ClientKeyHeader:       "client_key",
+		common.ClientSignatureHeader: clientSignature,
+	}))
+
+	resOk := &blobbergrpc.UpdateObjectAttributesResponse{WhoPaysForReads: int64(1)}
+
+	mockStorageHandler := &storageHandlerI{}
+	alloc := &allocation.Allocation{
+		Tx:             req.Allocation,
+		ID:             `allocation_id`,
+		OwnerID:        `client`,
+		OwnerPublicKey: pubKey,
+	}
+	mockStorageHandler.On("verifyAllocation", mock.Anything, req.Allocation, false).
+		Return(alloc, nil)
+
+	mockReferencePackage := &mocks.PackageHandler{}
+	allocChange := &allocation.AllocationChangeCollector{}
+	mockReferencePackage.On(`GetAllocationChanges`, mock.Anything,
+		req.ConnectionId, alloc.ID, `client`).Return(allocChange, nil)
+	mockReferencePackage.On(`SaveAllocationChanges`, mock.Anything, allocChange).
+		Return(nil)
+
+	pathHash := req.Allocation + `:` + req.Path
+	mockReferencePackage.On(`GetReferenceLookup`, mock.Anything, alloc.ID, req.Path).
+		Return(pathHash)
+
+	mockReferencePackage.On(`GetReferenceFromLookupHash`, mock.Anything, alloc.ID, pathHash).Return(
+		&reference.Ref{
+			Name: "test",
+			Type: reference.FILE,
+		}, nil)
+
+	svc := newGRPCBlobberService(mockStorageHandler, mockReferencePackage)
+	gotResponse, err := svc.UpdateObjectAttributes(ctx, req)
+	if err != nil {
+		t.Fatal("unexpected error - " + err.Error())
+	}
+
+	assert.Equal(t, gotResponse, resOk)
+}
+
+func TestBlobberGRPCService_UpdateObjectAttributes_InvalidAllocation(t *testing.T) {
+	req := &blobbergrpc.UpdateObjectAttributesRequest{
+		Allocation: `invalid_allocation`,
+	}
+	ctx := metadata.NewIncomingContext(context.Background(), metadata.New(map[string]string{
+		common.ClientHeader:          "client",
+		common.ClientKeyHeader:       "client_key",
+		common.ClientSignatureHeader: "clientSignature",
+	}))
+
+	mockStorageHandler := &storageHandlerI{}
+	mockStorageHandler.On("verifyAllocation", mock.Anything, req.Allocation, false).
+		Return(nil, errors.New("some error"))
+
+	mockReferencePackage := &mocks.PackageHandler{}
+
+	svc := newGRPCBlobberService(mockStorageHandler, mockReferencePackage)
+	_, err := svc.UpdateObjectAttributes(ctx, req)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if err.Error() != "invalid_parameters: Invalid allocation id passed.some error" {
+		t.Fatal(`unexpected error - `, err)
+	}
+}
diff --git a/code/go/0chain.net/blobbercore/handler/zcncore.go b/code/go/0chain.net/blobbercore/handler/zcncore.go
index 175889f82..e7f12c061 100644
--- a/code/go/0chain.net/blobbercore/handler/zcncore.go
+++ b/code/go/0chain.net/blobbercore/handler/zcncore.go
@@ -1,8 +1,8 @@
 package handler
 
 import (
-	"sync"
 	"encoding/json"
+	"sync"
 
 	"github.com/0chain/gosdk/core/common"
 	"github.com/0chain/gosdk/zcncore"
@@ -12,7 +12,7 @@ type ZCNStatus struct {
 	wg      *sync.WaitGroup
 	success bool
 	balance int64
-	info string
+	info    string
 }
 
 func (zcn *ZCNStatus) OnBalanceAvailable(status int, value int64, info string) {
@@ -61,7 +61,7 @@ func CheckBalance() (float64, error) {
 	wg.Add(1)
 	err := zcncore.GetBalance(statusBar)
 	if err != nil {
-		return 0, common.NewError("check_balance_failed", "Call to GetBalance failed with err: " + err.Error())
+		return 0, common.NewError("check_balance_failed", "Call to GetBalance failed with err: "+err.Error())
 	}
 	wg.Wait()
 	if !statusBar.success {
@@ -81,7 +81,7 @@ func GetBlobbers() ([]*zcncore.Blobber, error) {
 
 	err := zcncore.GetBlobbers(statusBar)
 	if err != nil {
-		return info.Nodes, common.NewError("get_blobbers_failed", "Call to GetBlobbers failed with err: " + err.Error())
+		return info.Nodes, common.NewError("get_blobbers_failed", "Call to GetBlobbers failed with err: "+err.Error())
 	}
 	wg.Wait()
 
@@ -90,7 +90,7 @@ func GetBlobbers() ([]*zcncore.Blobber, error) {
 	}
 
 	if err = json.Unmarshal([]byte(statusBar.info), &info); err != nil {
-		return info.Nodes, common.NewError("get_blobbers_failed", "Decoding response to GetBlobbers failed with err: " + err.Error())
+		return info.Nodes, common.NewError("get_blobbers_failed", "Decoding response to GetBlobbers failed with err: "+err.Error())
 	}
 
 	return info.Nodes, nil
diff --git a/code/go/0chain.net/blobbercore/mocks/PackageHandler.go b/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
index 198a6f8ea..350ed519f 100644
--- a/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
+++ b/code/go/0chain.net/blobbercore/mocks/PackageHandler.go
@@ -270,6 +270,20 @@ func (_m *PackageHandler) GetReferenceFromLookupHash(ctx context.Context, alloca
 	return r0, r1
 }
 
+// GetReferenceLookup provides a mock function with given fields: ctx, allocationID, path
+func (_m *PackageHandler) GetReferenceLookup(ctx context.Context, allocationID string, path string) string {
+	ret := _m.Called(ctx, allocationID, path)
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func(context.Context, string, string) string); ok {
+		r0 = rf(ctx, allocationID, path)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	return r0
+}
+
 // GetReferencePathFromPaths provides a mock function with given fields: ctx, allocationID, paths
 func (_m *PackageHandler) GetReferencePathFromPaths(ctx context.Context, allocationID string, paths []string) (*reference.Ref, error) {
 	ret := _m.Called(ctx, allocationID, paths)
@@ -344,6 +358,20 @@ func (_m *PackageHandler) RemoveCollaborator(ctx context.Context, refID int64, c
 	return r0
 }
 
+// SaveAllocationChanges provides a mock function with given fields: ctx, alloc
+func (_m *PackageHandler) SaveAllocationChanges(ctx context.Context, alloc *allocation.AllocationChangeCollector) error {
+	ret := _m.Called(ctx, alloc)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(context.Context, *allocation.AllocationChangeCollector) error); ok {
+		r0 = rf(ctx, alloc)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	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)
diff --git a/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json b/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
index 98c71e778..ef946c133 100644
--- a/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
+++ b/code/go/0chain.net/blobbercore/openapi/blobber.swagger.json
@@ -84,6 +84,44 @@
         ]
       }
     },
+    "/v2/file/attributes/{allocation}": {
+      "post": {
+        "operationId": "Blobber_UpdateObjectAttributes",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1UpdateObjectAttributesResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "allocation",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1UpdateObjectAttributesRequest"
+            }
+          }
+        ],
+        "tags": [
+          "Blobber"
+        ]
+      }
+    },
     "/v2/file/calculatehash/{allocation}": {
       "post": {
         "operationId": "Blobber_CalculateHash",
@@ -1028,6 +1066,35 @@
         }
       }
     },
+    "v1UpdateObjectAttributesRequest": {
+      "type": "object",
+      "properties": {
+        "allocation": {
+          "type": "string"
+        },
+        "path": {
+          "type": "string"
+        },
+        "pathHash": {
+          "type": "string"
+        },
+        "connectionId": {
+          "type": "string"
+        },
+        "attributes": {
+          "type": "string"
+        }
+      }
+    },
+    "v1UpdateObjectAttributesResponse": {
+      "type": "object",
+      "properties": {
+        "whoPaysForReads": {
+          "type": "string",
+          "format": "int64"
+        }
+      }
+    },
     "v1WriteMarker": {
       "type": "object",
       "properties": {
diff --git a/go.sum b/go.sum
index ab6111004..dec840020 100644
--- a/go.sum
+++ b/go.sum
@@ -94,7 +94,6 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/gedex/inflector v0.0.0-20170307190818-16278e9db813/go.mod h1:P+oSoE9yhSRvsmYyZsshflcR6ePWYLql6UU1amW13IM=
-github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -335,7 +334,6 @@ github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eI
 github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.3.1 h1:cCBH2gTD2K0OtLlv/Y5H01VQCqmlDxz30kS5Y5bqfLA=
 github.com/mitchellh/mapstructure v1.3.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
@@ -351,7 +349,6 @@ github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTK
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -401,7 +398,6 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
 github.com/spf13/cobra v1.0.1-0.20201006035406-b97b5ead31f7/go.mod h1:yk5b0mALVusDL5fMM6Rd1wgnoO5jUPhwsQ6LQAJTidQ=
 github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
@@ -413,7 +409,6 @@ github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
@@ -447,22 +442,18 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.6/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/ratelimit v0.2.0 h1:UQE2Bgi7p2B85uP5dC2bbRtig0C+OeNRnNEafLjsLPA=
 go.uber.org/ratelimit v0.2.0/go.mod h1:YYBV4e4naJvhpitQrWJu1vCpgB7CboMe0qhltKt6mUg=
-go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.15.0 h1:ZZCA22JRF2gQE5FoNmhmrf7jeJJ2uhqDUNRYKm8dvmM=
 go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
 go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM=
 go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
@@ -476,7 +467,6 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -501,7 +491,6 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
@@ -514,7 +503,6 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd h1:ePuNC7PZ6O5BzgPn9bZayERXBdfZjUYoXEf5BTfDfh8=
 golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
@@ -615,7 +603,6 @@ golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9sn
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
@@ -658,7 +645,6 @@ golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapK
 golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa h1:5E4dL8+NgFOgjwbTKz+OOEGGhP+ectTmF842l6KjupQ=
 golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -682,7 +668,6 @@ golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -757,7 +742,6 @@ google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv
 google.golang.org/grpc v1.35.0-dev.0.20201218190559-666aea1fb34c/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0 h1:o1bcQ6imQMIOpdrO3SWf2z5RV72WbDwdXuK0MDlc8As=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.0 h1:lQ+dE99pFsb8osbJB3oRfE5eW4Hx6a/lZQr8Jh+eoT4=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -780,7 +764,6 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.61.0 h1:LBCdW4FmFYL4s/vDZD1RQYX7oAR6IjujCYgMdbHBR10=
 gopkg.in/ini.v1 v1.61.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
@@ -792,7 +775,6 @@ gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -820,7 +802,6 @@ honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4 h1:UoveltGrhghAA7ePc+e+QYDHXrBps2PqFZiHkGR/xK8=