return failed Future when BWS is invoked but not ready

Signed-off-by: garyschulte <garyschulte@gmail.com>
hyperledger · Jan 24, 2024 · 5be17b4 · 5be17b4
1 parent 90558fd
commit 5be17b4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...rc/main/java/org/hyperledger/besu/ethereum/eth/sync/backwardsync/BackwardSyncContext.java b/...rc/main/java/org/hyperledger/besu/ethereum/eth/sync/backwardsync/BackwardSyncContext.java
@@ -137,7 +137,7 @@ public synchronized CompletableFuture<Void> syncBackwardsUntil(final Hash newBlo
               newTargetBlock -> status.updateTargetHeight(newTargetBlock.getHeader().getNumber()));
       return status.currentFuture;
     } else {
-      return CompletableFuture.completedFuture(null);
+      return CompletableFuture.failedFuture(new Throwable("Backward sync is not ready"));
     }
   }
 
@@ -151,7 +151,7 @@ public synchronized CompletableFuture<Void> syncBackwardsUntil(final Block newPi
       status.updateTargetHeight(newPivot.getHeader().getNumber());
       return status.currentFuture;
     } else {
-      return CompletableFuture.completedFuture(null);
+      return CompletableFuture.failedFuture(new Throwable("Backward sync is not ready"));
     }
   }