From e0fd94152ada7926fb613dd9e76881072b907141 Mon Sep 17 00:00:00 2001
From: Sergio Chouhy <sergio.chouhy@gmail.com>
Date: Fri, 17 Oct 2025 15:35:06 -0300
Subject: [PATCH] remove outdated common/sec/nullifier.rs file

---
 common/src/lib.rs         |  1 -
 common/src/nullifier.rs   | 10 ----------
 common/src/transaction.rs |  6 +++---
 3 files changed, 3 insertions(+), 14 deletions(-)
 delete mode 100644 common/src/nullifier.rs

diff --git a/common/src/lib.rs b/common/src/lib.rs
index 67d628d..59b384b 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -5,7 +5,6 @@ use sha2::{Digest, Sha256, digest::FixedOutput};
 pub mod block;
 pub mod commitment;
 pub mod execution_input;
-pub mod nullifier;
 pub mod rpc_primitives;
 pub mod sequencer_client;
 pub mod transaction;
diff --git a/common/src/nullifier.rs b/common/src/nullifier.rs
deleted file mode 100644
index f277efd..0000000
--- a/common/src/nullifier.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use serde::{Deserialize, Serialize};
-
-use crate::TreeHashType;
-
-//ToDo: Update Nullifier model, when it is clear
-#[derive(Debug, Serialize, Deserialize, Clone, Default, PartialEq, Eq, Hash)]
-///General nullifier object
-pub struct UTXONullifier {
-    pub utxo_hash: TreeHashType,
-}
diff --git a/common/src/transaction.rs b/common/src/transaction.rs
index 4820300..610b229 100644
--- a/common/src/transaction.rs
+++ b/common/src/transaction.rs
@@ -4,7 +4,7 @@ use serde::{Deserialize, Serialize};
 
 use sha2::{Digest, digest::FixedOutput};
 
-pub type TreeHashType = [u8; 32];
+pub type HashType = [u8; 32];
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum NSSATransaction {
@@ -72,11 +72,11 @@ impl TryFrom<&EncodedTransaction> for NSSATransaction {
 
 impl EncodedTransaction {
     /// Computes and returns the SHA-256 hash of the JSON-serialized representation of `self`.
-    pub fn hash(&self) -> TreeHashType {
+    pub fn hash(&self) -> HashType {
         let bytes_to_hash = borsh::to_vec(&self).unwrap();
         let mut hasher = sha2::Sha256::new();
         hasher.update(&bytes_to_hash);
-        TreeHashType::from(hasher.finalize_fixed())
+        HashType::from(hasher.finalize_fixed())
     }
 
     pub fn log(&self) {