fix: 18658: ReconnectNodeRemover.setPathInformation() may cause OOM (#18708)

Fixes: #18658
Reviewed-by: Anthony Petrov <[email protected]>, Nikita Lebedev <[email protected]>
Signed-off-by: Artem Ananev <[email protected]>

Author: artemananiev

platform-sdk/swirlds-virtualmap/src/main/java/com/swirlds/virtualmap/internal/hash/VirtualHashListener.java

@@ -10,14 +10,20 @@
  * Listens to various events that occur during the hashing process.
  */
 public interface VirtualHashListener<K extends VirtualKey, V extends VirtualValue> {
+
     /**
      * Called when starting a new fresh hash operation.
+     *
+     * @param firstLeafPath
+     *      The first leaf path in the virtual tree
+     * @param lastLeafPath
+     *      The last leaf path in the virtual tree
      */
-    default void onHashingStarted() {}
+    default void onHashingStarted(final long firstLeafPath, final long lastLeafPath) {}
 
     /**
      * Called after each node is hashed, internal or leaf. This is called between
-     * {@link #onHashingStarted()} and {@link #onHashingCompleted()}.
+     * {@link #onHashingStarted(long, long)} and {@link #onHashingCompleted()}.
      *
      * @param path
      * 		Node path
@@ -28,7 +34,7 @@ default void onNodeHashed(final long path, final Hash hash) {}
 
     /**
      * Called after each leaf node on a rank is hashed. This is called between
-     * {@link #onHashingStarted()} and {@link #onHashingCompleted()}.
+     * {@link #onHashingStarted(long, long)} and {@link #onHashingCompleted()}.
      *
      * @param leaf
      * 		A non-null leaf record representing the hashed leaf.

platform-sdk/swirlds-virtualmap/src/main/java/com/swirlds/virtualmap/internal/hash/VirtualHasher.java

@@ -277,7 +277,7 @@ public Hash hash(
                 : ForkJoinPool.commonPool();
 
         // Let the listener know we have started hashing.
-        listener.onHashingStarted();
+        listener.onHashingStarted(firstLeafPath, lastLeafPath);
 
         if (!sortedDirtyLeaves.hasNext()) {
             // Nothing to hash.