diff --git a/foundation/rpc_server/rpc_server.go b/foundation/rpc_server/rpc_server.go
index e3af6c0..307bccf 100644
--- a/foundation/rpc_server/rpc_server.go
+++ b/foundation/rpc_server/rpc_server.go
@@ -116,6 +116,32 @@ func (s *Server) GetBlockHeight(ctx context.Context, _ *emptypb.Empty) (*protobu
 	}}, nil
 }
 
+func (s *Server) QuerySmartContract(ctx context.Context, req *protobuff.QuerySmartContractRequest) (*protobuff.QuerySmartContractResponse, error) {
+	reqData, err := base64.StdEncoding.DecodeString(req.RequestData)
+	if err != nil {
+		return nil, status.Errorf(codes.FailedPrecondition, "failed to decode from base64 the request data: %s", req.RequestData)
+	}
+
+	client, err := s.qPool.Get()
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "getting pool connection %v", err)
+	}
+
+	scData, err := client.QuerySmartContract(ctx, qubic.RequestContractFunction{
+		ContractIndex: req.ContractIndex,
+		InputType:     uint16(req.InputType),
+		InputSize:     uint16(req.InputSize),
+	}, reqData)
+	if err != nil {
+		s.qPool.Close(client)
+		return nil, status.Errorf(codes.Internal, "query smart contract %v", err)
+	}
+
+	s.qPool.Put(client)
+
+	return &protobuff.QuerySmartContractResponse{ResponseData: base64.StdEncoding.EncodeToString(scData.Data)}, nil
+}
+
 type maxTickResponse struct {
 	MaxTick uint32 `json:"max_tick"`
 }
diff --git a/go.mod b/go.mod
index e2d9dce..211ea87 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/ardanlabs/conf v1.5.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1
 	github.com/pkg/errors v0.9.1
-	github.com/qubic/go-node-connector v0.7.1
+	github.com/qubic/go-node-connector v0.8.0
 	github.com/qubic/go-schnorrq v1.0.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240314234333-6e1732d8331c
 	google.golang.org/grpc v1.62.1
diff --git a/go.sum b/go.sum
index b78ae5d..cc53ea8 100644
--- a/go.sum
+++ b/go.sum
@@ -32,8 +32,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/qubic/go-node-connector v0.7.1 h1:AvkirqMTW6PQ7VxvALJOSI2+Cja3cl1llwFqWftaD6I=
-github.com/qubic/go-node-connector v0.7.1/go.mod h1:3Q9xCv5c01AqxVIx1aijMd8Pt3KJyQQiDfc4sG0UnXI=
+github.com/qubic/go-node-connector v0.8.0 h1:GzA8rpLvbEAkqz/AWkM/7Ut4P9KkwrkdP++tmF2eKHs=
+github.com/qubic/go-node-connector v0.8.0/go.mod h1:3Q9xCv5c01AqxVIx1aijMd8Pt3KJyQQiDfc4sG0UnXI=
 github.com/qubic/go-schnorrq v1.0.0 h1:EiCC3v9v3esFFfhKNEGdAI4DFIY3Dm/wbH327pC5qco=
 github.com/qubic/go-schnorrq v1.0.0/go.mod h1:KW64PcvyF4+cBA22pCx9wcoKDqPIbGz0EZ9dCZWV6Yo=
 github.com/silenceper/pool v1.0.0 h1:JTCaA+U6hJAA0P8nCx+JfsRCHMwLTfatsm5QXelffmU=
diff --git a/protobuff/Makefile b/protobuff/Makefile
index f096bce..d89d8a4 100644
--- a/protobuff/Makefile
+++ b/protobuff/Makefile
@@ -28,8 +28,9 @@ all: $(GO)
 		--go_out=paths=source_relative:. *.proto
 
 openapi: *.proto
-		protoc --openapiv2_out=logtostderr=true:. $(OPT_ARGS) \
-			   *.proto
+		protoc --openapiv2_out=logtostderr=true:. \
+        			   --proto_path=.:/opt/homebrew/Cellar/protobuf/25.3_1/include \
+        			   *.proto
 
 clean:
 		rm -f *.pb.go
diff --git a/protobuff/qubic.pb.go b/protobuff/qubic.pb.go
index d825c90..bc629fe 100644
--- a/protobuff/qubic.pb.go
+++ b/protobuff/qubic.pb.go
@@ -1276,6 +1276,124 @@ func (x *PossessedAssetsResponse) GetPossessedAssets() []*PossessedAsset {
 	return nil
 }
 
+type QuerySmartContractRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ContractIndex uint32 `protobuf:"varint,1,opt,name=contract_index,json=contractIndex,proto3" json:"contract_index,omitempty"`
+	InputType     uint32 `protobuf:"varint,2,opt,name=input_type,json=inputType,proto3" json:"input_type,omitempty"`
+	InputSize     uint32 `protobuf:"varint,3,opt,name=input_size,json=inputSize,proto3" json:"input_size,omitempty"`
+	RequestData   string `protobuf:"bytes,4,opt,name=request_data,json=requestData,proto3" json:"request_data,omitempty"`
+}
+
+func (x *QuerySmartContractRequest) Reset() {
+	*x = QuerySmartContractRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_qubic_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QuerySmartContractRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QuerySmartContractRequest) ProtoMessage() {}
+
+func (x *QuerySmartContractRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_qubic_proto_msgTypes[21]
+	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 QuerySmartContractRequest.ProtoReflect.Descriptor instead.
+func (*QuerySmartContractRequest) Descriptor() ([]byte, []int) {
+	return file_qubic_proto_rawDescGZIP(), []int{21}
+}
+
+func (x *QuerySmartContractRequest) GetContractIndex() uint32 {
+	if x != nil {
+		return x.ContractIndex
+	}
+	return 0
+}
+
+func (x *QuerySmartContractRequest) GetInputType() uint32 {
+	if x != nil {
+		return x.InputType
+	}
+	return 0
+}
+
+func (x *QuerySmartContractRequest) GetInputSize() uint32 {
+	if x != nil {
+		return x.InputSize
+	}
+	return 0
+}
+
+func (x *QuerySmartContractRequest) GetRequestData() string {
+	if x != nil {
+		return x.RequestData
+	}
+	return ""
+}
+
+type QuerySmartContractResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ResponseData string `protobuf:"bytes,5,opt,name=response_data,json=responseData,proto3" json:"response_data,omitempty"`
+}
+
+func (x *QuerySmartContractResponse) Reset() {
+	*x = QuerySmartContractResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_qubic_proto_msgTypes[22]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QuerySmartContractResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QuerySmartContractResponse) ProtoMessage() {}
+
+func (x *QuerySmartContractResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_qubic_proto_msgTypes[22]
+	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 QuerySmartContractResponse.ProtoReflect.Descriptor instead.
+func (*QuerySmartContractResponse) Descriptor() ([]byte, []int) {
+	return file_qubic_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *QuerySmartContractResponse) GetResponseData() string {
+	if x != nil {
+		return x.ResponseData
+	}
+	return ""
+}
+
 var File_qubic_proto protoreflect.FileDescriptor
 
 var file_qubic_proto_rawDesc = []byte{
@@ -1461,69 +1579,93 @@ var file_qubic_proto_rawDesc = []byte{
 	0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x23, 0x2e, 0x71, 0x75, 0x62, 0x69, 0x63, 0x2e, 0x68, 0x74,
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 }
 
 var (
@@ -1538,7 +1680,7 @@ func file_qubic_proto_rawDescGZIP() []byte {
 	return file_qubic_proto_rawDescData
 }
 
-var file_qubic_proto_msgTypes = make([]protoimpl.MessageInfo, 21)
+var file_qubic_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
 var file_qubic_proto_goTypes = []interface{}{
 	(*Balance)(nil),                      // 0: qubic.http.qubic.pb.Balance
 	(*GetBalanceRequest)(nil),            // 1: qubic.http.qubic.pb.GetBalanceRequest
@@ -1561,7 +1703,9 @@ var file_qubic_proto_goTypes = []interface{}{
 	(*PossessedAsset)(nil),               // 18: qubic.http.qubic.pb.PossessedAsset
 	(*PossessedAssetsRequest)(nil),       // 19: qubic.http.qubic.pb.PossessedAssetsRequest
 	(*PossessedAssetsResponse)(nil),      // 20: qubic.http.qubic.pb.PossessedAssetsResponse
-	(*emptypb.Empty)(nil),                // 21: google.protobuf.Empty
+	(*QuerySmartContractRequest)(nil),    // 21: qubic.http.qubic.pb.QuerySmartContractRequest
+	(*QuerySmartContractResponse)(nil),   // 22: qubic.http.qubic.pb.QuerySmartContractResponse
+	(*emptypb.Empty)(nil),                // 23: google.protobuf.Empty
 }
 var file_qubic_proto_depIdxs = []int32{
 	0,  // 0: qubic.http.qubic.pb.GetBalanceResponse.balance:type_name -> qubic.http.qubic.pb.Balance
@@ -1579,21 +1723,23 @@ var file_qubic_proto_depIdxs = []int32{
 	8,  // 12: qubic.http.qubic.pb.PossessedAsset.info:type_name -> qubic.http.qubic.pb.AssetInfo
 	18, // 13: qubic.http.qubic.pb.PossessedAssetsResponse.possessed_assets:type_name -> qubic.http.qubic.pb.PossessedAsset
 	1,  // 14: qubic.http.qubic.pb.QubicLiveService.GetBalance:input_type -> qubic.http.qubic.pb.GetBalanceRequest
-	3,  // 15: qubic.http.qubic.pb.QubicLiveService.BroadcastTransaction:input_type -> qubic.http.qubic.pb.BroadcastTransactionRequest
-	21, // 16: qubic.http.qubic.pb.QubicLiveService.GetTickInfo:input_type -> google.protobuf.Empty
-	21, // 17: qubic.http.qubic.pb.QubicLiveService.GetBlockHeight:input_type -> google.protobuf.Empty
-	11, // 18: qubic.http.qubic.pb.QubicLiveService.GetIssuedAssets:input_type -> qubic.http.qubic.pb.IssuedAssetsRequest
-	15, // 19: qubic.http.qubic.pb.QubicLiveService.GetOwnedAssets:input_type -> qubic.http.qubic.pb.OwnedAssetsRequest
-	19, // 20: qubic.http.qubic.pb.QubicLiveService.GetPossessedAssets:input_type -> qubic.http.qubic.pb.PossessedAssetsRequest
-	2,  // 21: qubic.http.qubic.pb.QubicLiveService.GetBalance:output_type -> qubic.http.qubic.pb.GetBalanceResponse
-	4,  // 22: qubic.http.qubic.pb.QubicLiveService.BroadcastTransaction:output_type -> qubic.http.qubic.pb.BroadcastTransactionResponse
-	6,  // 23: qubic.http.qubic.pb.QubicLiveService.GetTickInfo:output_type -> qubic.http.qubic.pb.GetTickInfoResponse
-	7,  // 24: qubic.http.qubic.pb.QubicLiveService.GetBlockHeight:output_type -> qubic.http.qubic.pb.GetBlockHeightResponse
-	12, // 25: qubic.http.qubic.pb.QubicLiveService.GetIssuedAssets:output_type -> qubic.http.qubic.pb.IssuedAssetsResponse
-	16, // 26: qubic.http.qubic.pb.QubicLiveService.GetOwnedAssets:output_type -> qubic.http.qubic.pb.OwnedAssetsResponse
-	20, // 27: qubic.http.qubic.pb.QubicLiveService.GetPossessedAssets:output_type -> qubic.http.qubic.pb.PossessedAssetsResponse
-	21, // [21:28] is the sub-list for method output_type
-	14, // [14:21] is the sub-list for method input_type
+	21, // 15: qubic.http.qubic.pb.QubicLiveService.QuerySmartContract:input_type -> qubic.http.qubic.pb.QuerySmartContractRequest
+	3,  // 16: qubic.http.qubic.pb.QubicLiveService.BroadcastTransaction:input_type -> qubic.http.qubic.pb.BroadcastTransactionRequest
+	23, // 17: qubic.http.qubic.pb.QubicLiveService.GetTickInfo:input_type -> google.protobuf.Empty
+	23, // 18: qubic.http.qubic.pb.QubicLiveService.GetBlockHeight:input_type -> google.protobuf.Empty
+	11, // 19: qubic.http.qubic.pb.QubicLiveService.GetIssuedAssets:input_type -> qubic.http.qubic.pb.IssuedAssetsRequest
+	15, // 20: qubic.http.qubic.pb.QubicLiveService.GetOwnedAssets:input_type -> qubic.http.qubic.pb.OwnedAssetsRequest
+	19, // 21: qubic.http.qubic.pb.QubicLiveService.GetPossessedAssets:input_type -> qubic.http.qubic.pb.PossessedAssetsRequest
+	2,  // 22: qubic.http.qubic.pb.QubicLiveService.GetBalance:output_type -> qubic.http.qubic.pb.GetBalanceResponse
+	22, // 23: qubic.http.qubic.pb.QubicLiveService.QuerySmartContract:output_type -> qubic.http.qubic.pb.QuerySmartContractResponse
+	4,  // 24: qubic.http.qubic.pb.QubicLiveService.BroadcastTransaction:output_type -> qubic.http.qubic.pb.BroadcastTransactionResponse
+	6,  // 25: qubic.http.qubic.pb.QubicLiveService.GetTickInfo:output_type -> qubic.http.qubic.pb.GetTickInfoResponse
+	7,  // 26: qubic.http.qubic.pb.QubicLiveService.GetBlockHeight:output_type -> qubic.http.qubic.pb.GetBlockHeightResponse
+	12, // 27: qubic.http.qubic.pb.QubicLiveService.GetIssuedAssets:output_type -> qubic.http.qubic.pb.IssuedAssetsResponse
+	16, // 28: qubic.http.qubic.pb.QubicLiveService.GetOwnedAssets:output_type -> qubic.http.qubic.pb.OwnedAssetsResponse
+	20, // 29: qubic.http.qubic.pb.QubicLiveService.GetPossessedAssets:output_type -> qubic.http.qubic.pb.PossessedAssetsResponse
+	22, // [22:30] is the sub-list for method output_type
+	14, // [14:22] is the sub-list for method input_type
 	14, // [14:14] is the sub-list for extension type_name
 	14, // [14:14] is the sub-list for extension extendee
 	0,  // [0:14] is the sub-list for field type_name
@@ -1857,6 +2003,30 @@ func file_qubic_proto_init() {
 				return nil
 			}
 		}
+		file_qubic_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QuerySmartContractRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_qubic_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QuerySmartContractResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1864,7 +2034,7 @@ func file_qubic_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_qubic_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   21,
+			NumMessages:   23,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/protobuff/qubic.pb.gw.go b/protobuff/qubic.pb.gw.go
index 93b4d77..186d7d6 100644
--- a/protobuff/qubic.pb.gw.go
+++ b/protobuff/qubic.pb.gw.go
@@ -84,6 +84,40 @@ func local_request_QubicLiveService_GetBalance_0(ctx context.Context, marshaler
 
 }
 
+func request_QubicLiveService_QuerySmartContract_0(ctx context.Context, marshaler runtime.Marshaler, client QubicLiveServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QuerySmartContractRequest
+	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)
+	}
+
+	msg, err := client.QuerySmartContract(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_QubicLiveService_QuerySmartContract_0(ctx context.Context, marshaler runtime.Marshaler, server QubicLiveServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QuerySmartContractRequest
+	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)
+	}
+
+	msg, err := server.QuerySmartContract(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 func request_QubicLiveService_BroadcastTransaction_0(ctx context.Context, marshaler runtime.Marshaler, client QubicLiveServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq BroadcastTransactionRequest
 	var metadata runtime.ServerMetadata
@@ -341,6 +375,31 @@ func RegisterQubicLiveServiceHandlerServer(ctx context.Context, mux *runtime.Ser
 
 	})
 
+	mux.Handle("POST", pattern_QubicLiveService_QuerySmartContract_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/qubic.http.qubic.pb.QubicLiveService/QuerySmartContract", runtime.WithHTTPPathPattern("/querySmartContract"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_QubicLiveService_QuerySmartContract_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_QubicLiveService_QuerySmartContract_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_QubicLiveService_BroadcastTransaction_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -554,6 +613,28 @@ func RegisterQubicLiveServiceHandlerClient(ctx context.Context, mux *runtime.Ser
 
 	})
 
+	mux.Handle("POST", pattern_QubicLiveService_QuerySmartContract_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/qubic.http.qubic.pb.QubicLiveService/QuerySmartContract", runtime.WithHTTPPathPattern("/querySmartContract"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_QubicLiveService_QuerySmartContract_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_QubicLiveService_QuerySmartContract_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_QubicLiveService_BroadcastTransaction_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -692,6 +773,8 @@ func RegisterQubicLiveServiceHandlerClient(ctx context.Context, mux *runtime.Ser
 var (
 	pattern_QubicLiveService_GetBalance_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"balances", "id"}, ""))
 
+	pattern_QubicLiveService_QuerySmartContract_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"querySmartContract"}, ""))
+
 	pattern_QubicLiveService_BroadcastTransaction_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"broadcast-transaction"}, ""))
 
 	pattern_QubicLiveService_GetTickInfo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"tick-info"}, ""))
@@ -708,6 +791,8 @@ var (
 var (
 	forward_QubicLiveService_GetBalance_0 = runtime.ForwardResponseMessage
 
+	forward_QubicLiveService_QuerySmartContract_0 = runtime.ForwardResponseMessage
+
 	forward_QubicLiveService_BroadcastTransaction_0 = runtime.ForwardResponseMessage
 
 	forward_QubicLiveService_GetTickInfo_0 = runtime.ForwardResponseMessage
diff --git a/protobuff/qubic.proto b/protobuff/qubic.proto
index 05348c5..d33c04a 100644
--- a/protobuff/qubic.proto
+++ b/protobuff/qubic.proto
@@ -128,6 +128,17 @@ message PossessedAssetsResponse {
   repeated PossessedAsset possessed_assets = 1;
 }
 
+message QuerySmartContractRequest {
+  uint32 contract_index = 1;
+  uint32 input_type = 2;
+  uint32 input_size = 3;
+  string request_data = 4;
+}
+
+message QuerySmartContractResponse {
+  string response_data = 5;
+}
+
 service QubicLiveService {
   rpc GetBalance(GetBalanceRequest) returns (GetBalanceResponse) {
     option (google.api.http) = {
@@ -135,6 +146,13 @@ service QubicLiveService {
     };
   };
 
+  rpc QuerySmartContract(QuerySmartContractRequest) returns (QuerySmartContractResponse) {
+    option (google.api.http) = {
+      post: "/querySmartContract"
+      body: "*"
+    };
+  };
+
   rpc BroadcastTransaction(BroadcastTransactionRequest) returns (BroadcastTransactionResponse) {
     option (google.api.http) = {
       post: "/broadcast-transaction"
diff --git a/protobuff/qubic_grpc.pb.go b/protobuff/qubic_grpc.pb.go
index fded329..d8b0216 100644
--- a/protobuff/qubic_grpc.pb.go
+++ b/protobuff/qubic_grpc.pb.go
@@ -21,6 +21,7 @@ const _ = grpc.SupportPackageIsVersion7
 
 const (
 	QubicLiveService_GetBalance_FullMethodName           = "/qubic.http.qubic.pb.QubicLiveService/GetBalance"
+	QubicLiveService_QuerySmartContract_FullMethodName   = "/qubic.http.qubic.pb.QubicLiveService/QuerySmartContract"
 	QubicLiveService_BroadcastTransaction_FullMethodName = "/qubic.http.qubic.pb.QubicLiveService/BroadcastTransaction"
 	QubicLiveService_GetTickInfo_FullMethodName          = "/qubic.http.qubic.pb.QubicLiveService/GetTickInfo"
 	QubicLiveService_GetBlockHeight_FullMethodName       = "/qubic.http.qubic.pb.QubicLiveService/GetBlockHeight"
@@ -34,6 +35,7 @@ const (
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type QubicLiveServiceClient interface {
 	GetBalance(ctx context.Context, in *GetBalanceRequest, opts ...grpc.CallOption) (*GetBalanceResponse, error)
+	QuerySmartContract(ctx context.Context, in *QuerySmartContractRequest, opts ...grpc.CallOption) (*QuerySmartContractResponse, error)
 	BroadcastTransaction(ctx context.Context, in *BroadcastTransactionRequest, opts ...grpc.CallOption) (*BroadcastTransactionResponse, error)
 	GetTickInfo(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetTickInfoResponse, error)
 	GetBlockHeight(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetBlockHeightResponse, error)
@@ -59,6 +61,15 @@ func (c *qubicLiveServiceClient) GetBalance(ctx context.Context, in *GetBalanceR
 	return out, nil
 }
 
+func (c *qubicLiveServiceClient) QuerySmartContract(ctx context.Context, in *QuerySmartContractRequest, opts ...grpc.CallOption) (*QuerySmartContractResponse, error) {
+	out := new(QuerySmartContractResponse)
+	err := c.cc.Invoke(ctx, QubicLiveService_QuerySmartContract_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *qubicLiveServiceClient) BroadcastTransaction(ctx context.Context, in *BroadcastTransactionRequest, opts ...grpc.CallOption) (*BroadcastTransactionResponse, error) {
 	out := new(BroadcastTransactionResponse)
 	err := c.cc.Invoke(ctx, QubicLiveService_BroadcastTransaction_FullMethodName, in, out, opts...)
@@ -118,6 +129,7 @@ func (c *qubicLiveServiceClient) GetPossessedAssets(ctx context.Context, in *Pos
 // for forward compatibility
 type QubicLiveServiceServer interface {
 	GetBalance(context.Context, *GetBalanceRequest) (*GetBalanceResponse, error)
+	QuerySmartContract(context.Context, *QuerySmartContractRequest) (*QuerySmartContractResponse, error)
 	BroadcastTransaction(context.Context, *BroadcastTransactionRequest) (*BroadcastTransactionResponse, error)
 	GetTickInfo(context.Context, *emptypb.Empty) (*GetTickInfoResponse, error)
 	GetBlockHeight(context.Context, *emptypb.Empty) (*GetBlockHeightResponse, error)
@@ -134,6 +146,9 @@ type UnimplementedQubicLiveServiceServer struct {
 func (UnimplementedQubicLiveServiceServer) GetBalance(context.Context, *GetBalanceRequest) (*GetBalanceResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetBalance not implemented")
 }
+func (UnimplementedQubicLiveServiceServer) QuerySmartContract(context.Context, *QuerySmartContractRequest) (*QuerySmartContractResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method QuerySmartContract not implemented")
+}
 func (UnimplementedQubicLiveServiceServer) BroadcastTransaction(context.Context, *BroadcastTransactionRequest) (*BroadcastTransactionResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method BroadcastTransaction not implemented")
 }
@@ -183,6 +198,24 @@ func _QubicLiveService_GetBalance_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
+func _QubicLiveService_QuerySmartContract_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QuerySmartContractRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QubicLiveServiceServer).QuerySmartContract(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: QubicLiveService_QuerySmartContract_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QubicLiveServiceServer).QuerySmartContract(ctx, req.(*QuerySmartContractRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _QubicLiveService_BroadcastTransaction_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(BroadcastTransactionRequest)
 	if err := dec(in); err != nil {
@@ -302,6 +335,10 @@ var QubicLiveService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetBalance",
 			Handler:    _QubicLiveService_GetBalance_Handler,
 		},
+		{
+			MethodName: "QuerySmartContract",
+			Handler:    _QubicLiveService_QuerySmartContract_Handler,
+		},
 		{
 			MethodName: "BroadcastTransaction",
 			Handler:    _QubicLiveService_BroadcastTransaction_Handler,