From 2c0c417c2216e9594e2dc96905363dc14fc3d0b6 Mon Sep 17 00:00:00 2001
From: Sergio Chouhy <sergio.chouhy@gmail.com>
Date: Wed, 13 Aug 2025 01:36:19 -0300
Subject: [PATCH] improve attribute visibility

---
 nssa/src/public_transaction/transaction.rs | 2 +-
 nssa/src/signature/mod.rs                  | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/nssa/src/public_transaction/transaction.rs b/nssa/src/public_transaction/transaction.rs
index 7b5f065..9315ba8 100644
--- a/nssa/src/public_transaction/transaction.rs
+++ b/nssa/src/public_transaction/transaction.rs
@@ -270,7 +270,7 @@ mod tests {
         .unwrap();
 
         let mut witness_set = WitnessSet::for_message(&message, &[&key1, &key2]);
-        witness_set.signatures_and_public_keys[0].0 = Signature { value: [1; 64] };
+        witness_set.signatures_and_public_keys[0].0 = Signature::new_for_tests([1; 64]);
         let tx = PublicTransaction::new(message, witness_set);
         let result = tx.validate_and_compute_post_states(&state);
         assert!(matches!(result, Err(NssaError::InvalidInput(_))))
diff --git a/nssa/src/signature/mod.rs b/nssa/src/signature/mod.rs
index 706bc60..9b318f4 100644
--- a/nssa/src/signature/mod.rs
+++ b/nssa/src/signature/mod.rs
@@ -9,7 +9,7 @@ use rand::{RngCore, rngs::OsRng};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Signature {
-    pub(crate) value: [u8; 64],
+    value: [u8; 64],
 }
 
 impl Signature {
@@ -50,6 +50,12 @@ mod tests {
 
     use crate::{PublicKey, Signature, signature::bip340_test_vectors};
 
+    impl Signature {
+        pub(crate) fn new_for_tests(value: [u8; 64]) -> Self {
+            Self { value }
+        }
+    }
+
     #[test]
     fn test_signature_generation_from_bip340_test_vectors() {
         for (i, test_vector) in bip340_test_vectors::test_vectors().into_iter().enumerate() {