Use a functional approach

dusk-network · Jun 10, 2024 · de0531b · de0531b
1 parent 397a35a
commit de0531b
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Showing 2 changed files with 4 additions and 7 deletions.
diff --git a/assets/dusk_wallet_core.wasm b/assets/dusk_wallet_core.wasm
diff --git a/src/ffi.rs b/src/ffi.rs
@@ -419,14 +419,11 @@ pub fn nullifiers(args: i32, len: i32) -> i64 {
         core::array::from_fn(|i| key::derive_vk(&seed, i as _));
 
     for note in notes {
-        for idx in 0..MAX_KEY {
-            if vks[idx].owns(&note) {
-                nullifiers.push(note.gen_nullifier(&sks[idx]));
-                break;
-            }
-        }
+        let Some(vk_idx) = vks.iter().position(|vk| vk.owns(&note)) else {
+            return utils::fail();
+        };
 
-        return utils::fail();
+        nullifiers.push(note.gen_nullifier(&sks[vk_idx]));
     }
 
     utils::rkyv_into_ptr(nullifiers)