From b0d1523606bac56f3f0d3b828757a7c11b63e506 Mon Sep 17 00:00:00 2001
From: acolytec3 <17355484+acolytec3@users.noreply.github.com>
Date: Mon, 1 Jul 2024 12:47:08 -0400
Subject: [PATCH] Fix check for empty child references [no ci]

---
 packages/verkle/src/node/internalNode.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/verkle/src/node/internalNode.ts b/packages/verkle/src/node/internalNode.ts
index bcc2ea323f..511ba4c9c8 100644
--- a/packages/verkle/src/node/internalNode.ts
+++ b/packages/verkle/src/node/internalNode.ts
@@ -18,7 +18,8 @@ export class InternalNode extends BaseVerkleNode<VerkleNodeType.Internal> {
   // Updates the commitment value for a child node at the corresponding index
   setChild(childIndex: number, child: ChildNode) {
     // Get previous child commitment at `index`
-    const oldChildReference = this.children[childIndex] ?? EMPTY_CHILD
+    const oldChildReference =
+      this.children[childIndex] !== null ? this.children[childIndex] : EMPTY_CHILD
     // Updates the commitment to the child node at `index`
     this.children[childIndex] = { ...child }
     // Updates the overall node commitment based on the update to this child