Circular reference error info in ToJson (#3522)

Co-authored-by: Shargon <[email protected]>
neo-project · Oct 10, 2024 · 5d2d8da · 5d2d8da
1 parent 52393be
commit 5d2d8da
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Neo/VM/Helper.cs b/src/Neo/VM/Helper.cs
@@ -365,7 +365,7 @@ private static JObject ToJson(StackItem item, HashSet<StackItem> context, ref in
                 case Array array:
                     {
                         context ??= new HashSet<StackItem>(ReferenceEqualityComparer.Instance);
-                        if (!context.Add(array)) throw new InvalidOperationException();
+                        if (!context.Add(array)) throw new InvalidOperationException("Circular reference.");
                         maxSize -= 2/*[]*/+ Math.Max(0, (array.Count - 1))/*,*/;
                         JArray a = new();
                         foreach (StackItem stackItem in array)
@@ -398,7 +398,7 @@ private static JObject ToJson(StackItem item, HashSet<StackItem> context, ref in
                 case Map map:
                     {
                         context ??= new HashSet<StackItem>(ReferenceEqualityComparer.Instance);
-                        if (!context.Add(map)) throw new InvalidOperationException();
+                        if (!context.Add(map)) throw new InvalidOperationException("Circular reference.");
                         maxSize -= 2/*[]*/+ Math.Max(0, (map.Count - 1))/*,*/;
                         JArray a = new();
                         foreach (var (k, v) in map)