From dbb7cb5cea20751bdda788cfa60a381631dda9aa Mon Sep 17 00:00:00 2001
From: Martin Ivanov <xeartybg@gmail.com>
Date: Wed, 12 Jun 2024 17:27:55 +0300
Subject: [PATCH] fix(circuit_framework): Fix `ssz_hash_tree_root` for
 `Uint64Target`

---
 .../plonky2/crates/circuit/src/ssz_hash_tree_root.rs   | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/beacon-light-client/plonky2/crates/circuit/src/ssz_hash_tree_root.rs b/beacon-light-client/plonky2/crates/circuit/src/ssz_hash_tree_root.rs
index af0e0fa07..bc2579a2d 100644
--- a/beacon-light-client/plonky2/crates/circuit/src/ssz_hash_tree_root.rs
+++ b/beacon-light-client/plonky2/crates/circuit/src/ssz_hash_tree_root.rs
@@ -14,16 +14,8 @@ impl<F: RichField + Extendable<D>, const D: usize> SSZHashTreeRoot<F, D> for Uin
     fn ssz_hash_tree_root(self, builder: &mut CircuitBuilder<F, D>) -> [BoolTarget; 256] {
         let _false = builder._false();
 
-        self.limbs
+        self.to_be_bits(builder)
             .into_iter()
-            .map(|limb| {
-                builder
-                    .split_le_base::<2>(limb.0, 32)
-                    .into_iter()
-                    .map(|target| BoolTarget::new_unsafe(target))
-                    .rev()
-            })
-            .flatten()
             .pad_using(256, |_| _false)
             .collect_vec()
             .try_into()