From da730d909b18f1694e55f106fb82b3046397cc3a Mon Sep 17 00:00:00 2001
From: benesjan <janbenes1234@gmail.com>
Date: Wed, 29 Nov 2023 15:51:20 +0000
Subject: [PATCH] using Promise.all

---
 yarn-project/aztec-node/src/aztec-node/server.ts | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/yarn-project/aztec-node/src/aztec-node/server.ts b/yarn-project/aztec-node/src/aztec-node/server.ts
index eb43c1962ff..817b1a6b206 100644
--- a/yarn-project/aztec-node/src/aztec-node/server.ts
+++ b/yarn-project/aztec-node/src/aztec-node/server.ts
@@ -400,14 +400,19 @@ export class AztecNodeService implements AztecNode {
     if (!index) {
       return undefined;
     }
-    const leafData = await committedDb.getLeafData(MerkleTreeId.NULLIFIER_TREE, Number(index));
-    if (!leafData) {
-      return undefined;
-    }
-    const siblingPath = await committedDb.getSiblingPath<typeof NULLIFIER_TREE_HEIGHT>(
+
+    const leafDataPromise = committedDb.getLeafData(MerkleTreeId.NULLIFIER_TREE, Number(index));
+    const siblingPathPromise = committedDb.getSiblingPath<typeof NULLIFIER_TREE_HEIGHT>(
       MerkleTreeId.NULLIFIER_TREE,
       BigInt(index),
     );
+
+    const [leafData, siblingPath] = await Promise.all([leafDataPromise, siblingPathPromise]);
+
+    if (!leafData) {
+      return undefined;
+    }
+
     return new NullifierMembershipWitness(BigInt(index), leafData, siblingPath);
   }