also impl Hash for Nullifier

anoma · Aug 24, 2023 · 828d30f · 828d30f
1 parent fc8c320
commit 828d30f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/taiga_halo2/src/nullifier.rs b/taiga_halo2/src/nullifier.rs
@@ -1,3 +1,5 @@
+use std::hash::Hash;
+
 use crate::constant::GENERATOR;
 use crate::{
     note::NoteCommitment,
@@ -87,6 +89,12 @@ impl BorshDeserialize for Nullifier {
     }
 }
 
+impl Hash for Nullifier {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.0.to_repr().hash(state);
+    }
+}
+
 impl NullifierKeyContainer {
     pub fn random_key<R: RngCore>(mut rng: R) -> Self {
         NullifierKeyContainer::Key(pallas::Base::random(&mut rng))