feat: introduce Error message and update NodeExecutionResult to use shared.Error

Author: nicosammito

proto/shared/shared.errors.proto

@@ -4,6 +4,8 @@ package shared;
 
 option ruby_package = "Tucana::Shared";
 
+import "shared.struct.proto";
+
 message ServiceError {
   string message = 1;
   repeated ServiceErrorDetails details = 2;
@@ -19,3 +21,14 @@ message ServiceActiveModelError {
   string attribute = 1;
   string type = 2;
 }
+
+message Error {
+  string code = 1; //e.g. T-STD-000123
+  string category = 2; //e.g. InvalidArgument
+  string message = 3; //e.g. Expected number as argument but received list
+  int64 timestamp = 4; // epoch timestamp in milliseconds
+  string version = 5; // version of service which produced the error
+  map<string, string> dependencies = 6;
+  shared.Struct details = 7;
+
+}

proto/shared/shared.execution_result.proto

@@ -5,16 +5,12 @@ package shared;
 option ruby_package = "Tucana::Shared";
 
 import "shared.struct.proto";
+import "shared.errors.proto";
 
 message NodeParameterNodeExecutionResult {
   shared.Value value = 5;
 }
 
-message RuntimeError {
-  string code = 1;
-  optional string description = 2;
-}
-
 message NodeExecutionResult {
 
   int64 node_id = 1;
@@ -25,7 +21,7 @@ message NodeExecutionResult {
 
   oneof result {
     shared.Value success = 5;
-    RuntimeError error = 6;
+    shared.Error error = 6;
   }
 
 }
@@ -43,7 +39,7 @@ message ExecutionResult {
   // Result of executed flow
   oneof result {
     shared.Value success = 7;
-    RuntimeError error = 8;
+    shared.Error error = 8;
   }
 
 }