added query smart contract endpoint

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"`
 }

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

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=

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

protobuff/qubic.proto

@@ -128,13 +128,31 @@ 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) = {
       get: "/balances/{id}"
     };
   };
 
+  rpc QuerySmartContract(QuerySmartContractRequest) returns (QuerySmartContractResponse) {
+    option (google.api.http) = {
+      post: "/querySmartContract"
+      body: "*"
+    };
+  };
+
   rpc BroadcastTransaction(BroadcastTransactionRequest) returns (BroadcastTransactionResponse) {
     option (google.api.http) = {
       post: "/broadcast-transaction"