update displayType trait serialization

onflow · Oct 22, 2024 · ec9fa3a · ec9fa3a
1 parent b441888
commit ec9fa3a
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/cadence/contracts/utils/SerializeMetadata.cdc b/cadence/contracts/utils/SerializeMetadata.cdc
@@ -129,10 +129,13 @@ access(all) contract SerializeMetadata {
                 continue
             }
             serializedResult = serializedResult.concat("{")
-            .concat("\"trait_type\": ").concat(Serialize.tryToJSONString(trait.name)!)
-            .concat(", \"display_type\": ").concat(Serialize.tryToJSONString(trait.displayType)!)
-            .concat(", \"value\": ").concat(value!)
-            .concat("}")
+                .concat("\"trait_type\": ").concat(Serialize.tryToJSONString(trait.name)!)
+            if trait.displayType != nil {
+                serializedResult = serializedResult.concat(", \"display_type\": ")
+                    .concat(Serialize.tryToJSONString(trait.displayType)!)
+            }
+            serializedResult = serializedResult.concat(", \"value\": ").concat(value!)
+                .concat("}")
             if i < traits!.traits.length - 1 {
                 serializedResult = serializedResult.concat(",")
             }