add annotation

Consensys · Dec 21, 2023 · 850997b · 850997b
1 parent 00f4a8d
commit 850997b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/...ion/src/main/java/tech/pegasys/teku/statetransition/block/NewBlockBuildingSubscriber.java b/...ion/src/main/java/tech/pegasys/teku/statetransition/block/NewBlockBuildingSubscriber.java
@@ -17,6 +17,7 @@
 import tech.pegasys.teku.infrastructure.unsigned.UInt64;
 import tech.pegasys.teku.spec.executionlayer.PayloadBuildingAttributes;
 
+@FunctionalInterface
 public interface NewBlockBuildingSubscriber {
 
   void onNewBlockBuilding(NewBlockBuildingNotification newBlockBuildingNotification);