From a7cedc81b20ed26bb6373530cabfce80e5d02624 Mon Sep 17 00:00:00 2001
From: Sergio Chouhy <sergio.chouhy@gmail.com>
Date: Fri, 22 May 2026 00:21:45 -0300
Subject: [PATCH] fix nullifier duplicate check

---
 nssa/src/validated_state_diff.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/nssa/src/validated_state_diff.rs b/nssa/src/validated_state_diff.rs
index 3356b72c..bdee3452 100644
--- a/nssa/src/validated_state_diff.rs
+++ b/nssa/src/validated_state_diff.rs
@@ -356,7 +356,13 @@ impl ValidatedStateDiff {
 
         // Check there are no duplicate nullifiers in the new_nullifiers list
         ensure!(
-            n_unique(&message.new_nullifiers) == message.new_nullifiers.len(),
+            n_unique(
+                &message
+                    .new_nullifiers
+                    .iter()
+                    .map(|(n, _)| n)
+                    .collect::<Vec<_>>()
+            ) == message.new_nullifiers.len(),
             NssaError::InvalidInput("Duplicate nullifiers found in message".into())
         );