diff --git a/gointerfaces/txpool/txpool.pb.go b/gointerfaces/txpool/txpool.pb.go
index 2dd38f2ff..040ae6bbf 100644
--- a/gointerfaces/txpool/txpool.pb.go
+++ b/gointerfaces/txpool/txpool.pb.go
@@ -539,6 +539,99 @@ func (x *AllReply) GetTxs() []*AllReply_Tx {
 	return nil
 }
 
+type StatusRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *StatusRequest) Reset() {
+	*x = StatusRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_txpool_txpool_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatusRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatusRequest) ProtoMessage() {}
+
+func (x *StatusRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_txpool_txpool_proto_msgTypes[9]
+	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 StatusRequest.ProtoReflect.Descriptor instead.
+func (*StatusRequest) Descriptor() ([]byte, []int) {
+	return file_txpool_txpool_proto_rawDescGZIP(), []int{9}
+}
+
+type StatusReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PendingCount uint32 `protobuf:"varint,1,opt,name=pendingCount,proto3" json:"pendingCount,omitempty"`
+	QueuedCount  uint32 `protobuf:"varint,2,opt,name=queuedCount,proto3" json:"queuedCount,omitempty"`
+}
+
+func (x *StatusReply) Reset() {
+	*x = StatusReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_txpool_txpool_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatusReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatusReply) ProtoMessage() {}
+
+func (x *StatusReply) ProtoReflect() protoreflect.Message {
+	mi := &file_txpool_txpool_proto_msgTypes[10]
+	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 StatusReply.ProtoReflect.Descriptor instead.
+func (*StatusReply) Descriptor() ([]byte, []int) {
+	return file_txpool_txpool_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *StatusReply) GetPendingCount() uint32 {
+	if x != nil {
+		return x.PendingCount
+	}
+	return 0
+}
+
+func (x *StatusReply) GetQueuedCount() uint32 {
+	if x != nil {
+		return x.QueuedCount
+	}
+	return 0
+}
+
 type AllReply_Tx struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -552,7 +645,7 @@ type AllReply_Tx struct {
 func (x *AllReply_Tx) Reset() {
 	*x = AllReply_Tx{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_txpool_txpool_proto_msgTypes[9]
+		mi := &file_txpool_txpool_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -565,7 +658,7 @@ func (x *AllReply_Tx) String() string {
 func (*AllReply_Tx) ProtoMessage() {}
 
 func (x *AllReply_Tx) ProtoReflect() protoreflect.Message {
-	mi := &file_txpool_txpool_proto_msgTypes[9]
+	mi := &file_txpool_txpool_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -642,37 +735,46 @@ var file_txpool_txpool_proto_rawDesc = []byte{
 	0x6e, 0x64, 0x65, 0x72, 0x12, 0x14, 0x0a, 0x05, 0x72, 0x6c, 0x70, 0x54, 0x78, 0x18, 0x03, 0x20,
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 }
 
 var (
@@ -688,7 +790,7 @@ func file_txpool_txpool_proto_rawDescGZIP() []byte {
 }
 
 var file_txpool_txpool_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_txpool_txpool_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_txpool_txpool_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_txpool_txpool_proto_goTypes = []interface{}{
 	(ImportResult)(0),           // 0: txpool.ImportResult
 	(AllReply_Type)(0),          // 1: txpool.AllReply.Type
@@ -701,31 +803,35 @@ var file_txpool_txpool_proto_goTypes = []interface{}{
 	(*OnAddReply)(nil),          // 8: txpool.OnAddReply
 	(*AllRequest)(nil),          // 9: txpool.AllRequest
 	(*AllReply)(nil),            // 10: txpool.AllReply
-	(*AllReply_Tx)(nil),         // 11: txpool.AllReply.Tx
-	(*types.H256)(nil),          // 12: types.H256
-	(*emptypb.Empty)(nil),       // 13: google.protobuf.Empty
-	(*types.VersionReply)(nil),  // 14: types.VersionReply
+	(*StatusRequest)(nil),       // 11: txpool.StatusRequest
+	(*StatusReply)(nil),         // 12: txpool.StatusReply
+	(*AllReply_Tx)(nil),         // 13: txpool.AllReply.Tx
+	(*types.H256)(nil),          // 14: types.H256
+	(*emptypb.Empty)(nil),       // 15: google.protobuf.Empty
+	(*types.VersionReply)(nil),  // 16: types.VersionReply
 }
 var file_txpool_txpool_proto_depIdxs = []int32{
-	12, // 0: txpool.TxHashes.hashes:type_name -> types.H256
+	14, // 0: txpool.TxHashes.hashes:type_name -> types.H256
 	0,  // 1: txpool.AddReply.imported:type_name -> txpool.ImportResult
-	12, // 2: txpool.TransactionsRequest.hashes:type_name -> types.H256
-	11, // 3: txpool.AllReply.txs:type_name -> txpool.AllReply.Tx
+	14, // 2: txpool.TransactionsRequest.hashes:type_name -> types.H256
+	13, // 3: txpool.AllReply.txs:type_name -> txpool.AllReply.Tx
 	1,  // 4: txpool.AllReply.Tx.type:type_name -> txpool.AllReply.Type
-	13, // 5: txpool.Txpool.Version:input_type -> google.protobuf.Empty
+	15, // 5: txpool.Txpool.Version:input_type -> google.protobuf.Empty
 	2,  // 6: txpool.Txpool.FindUnknown:input_type -> txpool.TxHashes
 	3,  // 7: txpool.Txpool.Add:input_type -> txpool.AddRequest
 	5,  // 8: txpool.Txpool.Transactions:input_type -> txpool.TransactionsRequest
 	9,  // 9: txpool.Txpool.All:input_type -> txpool.AllRequest
 	7,  // 10: txpool.Txpool.OnAdd:input_type -> txpool.OnAddRequest
-	14, // 11: txpool.Txpool.Version:output_type -> types.VersionReply
-	2,  // 12: txpool.Txpool.FindUnknown:output_type -> txpool.TxHashes
-	4,  // 13: txpool.Txpool.Add:output_type -> txpool.AddReply
-	6,  // 14: txpool.Txpool.Transactions:output_type -> txpool.TransactionsReply
-	10, // 15: txpool.Txpool.All:output_type -> txpool.AllReply
-	8,  // 16: txpool.Txpool.OnAdd:output_type -> txpool.OnAddReply
-	11, // [11:17] is the sub-list for method output_type
-	5,  // [5:11] is the sub-list for method input_type
+	11, // 11: txpool.Txpool.Status:input_type -> txpool.StatusRequest
+	16, // 12: txpool.Txpool.Version:output_type -> types.VersionReply
+	2,  // 13: txpool.Txpool.FindUnknown:output_type -> txpool.TxHashes
+	4,  // 14: txpool.Txpool.Add:output_type -> txpool.AddReply
+	6,  // 15: txpool.Txpool.Transactions:output_type -> txpool.TransactionsReply
+	10, // 16: txpool.Txpool.All:output_type -> txpool.AllReply
+	8,  // 17: txpool.Txpool.OnAdd:output_type -> txpool.OnAddReply
+	12, // 18: txpool.Txpool.Status:output_type -> txpool.StatusReply
+	12, // [12:19] is the sub-list for method output_type
+	5,  // [5:12] is the sub-list for method input_type
 	5,  // [5:5] is the sub-list for extension type_name
 	5,  // [5:5] is the sub-list for extension extendee
 	0,  // [0:5] is the sub-list for field type_name
@@ -846,6 +952,30 @@ func file_txpool_txpool_proto_init() {
 			}
 		}
 		file_txpool_txpool_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StatusRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_txpool_txpool_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StatusReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_txpool_txpool_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AllReply_Tx); i {
 			case 0:
 				return &v.state
@@ -864,7 +994,7 @@ func file_txpool_txpool_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_txpool_txpool_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   10,
+			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/gointerfaces/txpool/txpool_grpc.pb.go b/gointerfaces/txpool/txpool_grpc.pb.go
index aedeaf8b7..1156b3ec6 100644
--- a/gointerfaces/txpool/txpool_grpc.pb.go
+++ b/gointerfaces/txpool/txpool_grpc.pb.go
@@ -33,6 +33,8 @@ type TxpoolClient interface {
 	All(ctx context.Context, in *AllRequest, opts ...grpc.CallOption) (*AllReply, error)
 	// subscribe to new transactions add event
 	OnAdd(ctx context.Context, in *OnAddRequest, opts ...grpc.CallOption) (Txpool_OnAddClient, error)
+	// returns high level status
+	Status(ctx context.Context, in *StatusRequest, opts ...grpc.CallOption) (*StatusReply, error)
 }
 
 type txpoolClient struct {
@@ -120,6 +122,15 @@ func (x *txpoolOnAddClient) Recv() (*OnAddReply, error) {
 	return m, nil
 }
 
+func (c *txpoolClient) Status(ctx context.Context, in *StatusRequest, opts ...grpc.CallOption) (*StatusReply, error) {
+	out := new(StatusReply)
+	err := c.cc.Invoke(ctx, "/txpool.Txpool/Status", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // TxpoolServer is the server API for Txpool service.
 // All implementations must embed UnimplementedTxpoolServer
 // for forward compatibility
@@ -137,6 +148,8 @@ type TxpoolServer interface {
 	All(context.Context, *AllRequest) (*AllReply, error)
 	// subscribe to new transactions add event
 	OnAdd(*OnAddRequest, Txpool_OnAddServer) error
+	// returns high level status
+	Status(context.Context, *StatusRequest) (*StatusReply, error)
 	mustEmbedUnimplementedTxpoolServer()
 }
 
@@ -162,6 +175,9 @@ func (UnimplementedTxpoolServer) All(context.Context, *AllRequest) (*AllReply, e
 func (UnimplementedTxpoolServer) OnAdd(*OnAddRequest, Txpool_OnAddServer) error {
 	return status.Errorf(codes.Unimplemented, "method OnAdd not implemented")
 }
+func (UnimplementedTxpoolServer) Status(context.Context, *StatusRequest) (*StatusReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Status not implemented")
+}
 func (UnimplementedTxpoolServer) mustEmbedUnimplementedTxpoolServer() {}
 
 // UnsafeTxpoolServer may be embedded to opt out of forward compatibility for this service.
@@ -286,6 +302,24 @@ func (x *txpoolOnAddServer) Send(m *OnAddReply) error {
 	return x.ServerStream.SendMsg(m)
 }
 
+func _Txpool_Status_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TxpoolServer).Status(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/txpool.Txpool/Status",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TxpoolServer).Status(ctx, req.(*StatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Txpool_ServiceDesc is the grpc.ServiceDesc for Txpool service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -313,6 +347,10 @@ var Txpool_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "All",
 			Handler:    _Txpool_All_Handler,
 		},
+		{
+			MethodName: "Status",
+			Handler:    _Txpool_Status_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
diff --git a/interfaces/Cargo.toml b/interfaces/Cargo.toml
index 9d9ea6848..daa3cb58e 100644
--- a/interfaces/Cargo.toml
+++ b/interfaces/Cargo.toml
@@ -15,13 +15,13 @@ db = ["once_cell", "serde", "toml"]
 
 [dependencies]
 arrayref = "0.3"
-ethereum-types = { version = "0.11", default-features = false }
+ethereum-types = { version = "0.12", default-features = false }
 once_cell = { version = "1", optional = true }
-prost = "0.7"
+prost = "0.8"
 serde = { version = "1", features = ["derive"], optional = true }
 toml = { version = "0.5", optional = true }
-tonic = "0.4"
+tonic = "0.5"
 
 [build-dependencies]
-prost-build = "0.7"
-tonic-build = "0.4"
+prost-build = "0.8"
+tonic-build = "0.5"
diff --git a/interfaces/txpool/txpool.proto b/interfaces/txpool/txpool.proto
index 61bce1b0c..73bc99fdb 100644
--- a/interfaces/txpool/txpool.proto
+++ b/interfaces/txpool/txpool.proto
@@ -44,6 +44,12 @@ message AllReply {
   repeated Tx txs = 1;
 }
 
+message StatusRequest {}
+message StatusReply {
+  uint32 pendingCount = 1;
+  uint32 queuedCount = 2;
+}
+
 service Txpool {
   // Version returns the service version number
   rpc Version(google.protobuf.Empty) returns (types.VersionReply);
@@ -58,4 +64,6 @@ service Txpool {
   rpc All(AllRequest) returns (AllReply);
   // subscribe to new transactions add event
   rpc OnAdd(OnAddRequest) returns (stream OnAddReply);
+  // returns high level status
+  rpc Status(StatusRequest) returns (StatusReply);
 }