feat: add tester proto

tester/v1/tester.proto

@@ -0,0 +1,62 @@
+syntax = "proto3";
+
+package proto.tester.v1;
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/empty.proto";
+
+service TesterService {
+  rpc CreateProblem (CreateProblemRequest) returns (CreateProblemResponse);
+  rpc ReadProblem (ReadProblemRequest) returns (ReadProblemResponse);
+  rpc UpdateProblem (UpdateProblemRequest) returns (google.protobuf.Empty);
+  rpc DeleteProblem (DeleteProblemRequest) returns (google.protobuf.Empty);
+}
+
+message CreateProblemRequest {
+  message Problem {
+    string name = 1;
+    string description = 2;
+    int32 time_limit = 3;
+    int32 memory_limit = 4;
+  }
+  string token = 1;
+  Problem problem = 2;
+}
+message CreateProblemResponse {
+  int32 id = 1;
+}
+
+message ReadProblemRequest {
+  string token = 1;
+  int32 id = 2;
+}
+message ReadProblemResponse {
+  message Problem {
+    int32 id = 1;
+    string name = 2;
+    string description = 3;
+    int32 time_limit = 4;
+    int32 memory_limit = 5;
+    google.protobuf.Timestamp created_at = 6;
+    google.protobuf.Timestamp updated_at = 7;
+  }
+  string token = 1;
+  Problem problem = 2;
+}
+
+message UpdateProblemRequest {
+  message Problem {
+    int32 id = 1;
+    optional string name = 2;
+    optional string description = 3;
+    optional int32 time_limit = 4;
+    optional int32 memory_limit = 5;
+  }
+  string token = 1;
+  Problem problem = 2;
+}
+
+message DeleteProblemRequest {
+  string token = 1;
+  int32 id = 2;
+}