From 28dbc2a21bf174f4b0b5792416c69fa7805d57b9 Mon Sep 17 00:00:00 2001
From: Herr Seppia <seppia@dusk.network>
Date: Fri, 9 Aug 2024 11:10:11 +0200
Subject: [PATCH] node-data: change `Fault` hash algo to SHA3

Resolves #2081
---
 node-data/src/ledger/faults.rs | 2 +-
 node-data/src/lib.rs           | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/node-data/src/ledger/faults.rs b/node-data/src/ledger/faults.rs
index 4da51ad0a3..b5f09abbc7 100644
--- a/node-data/src/ledger/faults.rs
+++ b/node-data/src/ledger/faults.rs
@@ -69,7 +69,7 @@ impl Fault {
     pub fn hash(&self) -> [u8; 32] {
         let mut b = vec![];
         self.write(&mut b).expect("Write to a vec shall not fail");
-        BlsScalar::hash_to_scalar(&b[..]).to_bytes()
+        sha3::Sha3_256::digest(&b[..]).into()
     }
 
     pub fn same(&self, other: &Fault) -> bool {
diff --git a/node-data/src/lib.rs b/node-data/src/lib.rs
index 53927bc807..ad348f246b 100644
--- a/node-data/src/lib.rs
+++ b/node-data/src/lib.rs
@@ -11,8 +11,6 @@ pub mod message;
 
 use std::io::{self, Read, Write};
 
-use ledger::Hash;
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum StepName {
     Proposal = 0,
@@ -77,7 +75,7 @@ pub trait Serializable {
     }
 }
 
-impl Serializable for Hash {
+impl<const N: usize> Serializable for [u8; N] {
     fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
         w.write_all(&self[..])
     }