Limit reference chain depth to 1 for negative citations

forum-network/src/classes/forum.js

@@ -113,7 +113,11 @@ export class Forum extends ReputationHolder {
 
   async propagateValue(rewardsAccumulator, fromActor, post, increment, depth = 0) {
     if (params.referenceChainLimit >= 0 && depth > params.referenceChainLimit) {
-      return [];
+      return increment;
+    }
+
+    if (increment < 0 && depth > 1) {
+      return increment;
     }
 
     this.actions.propagateValue.log(fromActor, post, `(${increment})`);