From c0bb2ffd9aacce325b1616d6eaf9fa8c8959edc3 Mon Sep 17 00:00:00 2001
From: Ethen Pociask <ethen@eigenlabs.org>
Date: Tue, 29 Oct 2024 16:54:13 -0400
Subject: [PATCH] fix: Remove unused commitment hash field from EigenDA
 preimage MSP

---
 arbitrator/prover/src/kzgbn254.rs | 13 ++++++-------
 contracts                         |  2 +-
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/arbitrator/prover/src/kzgbn254.rs b/arbitrator/prover/src/kzgbn254.rs
index 1036ea333..4d3909ce7 100644
--- a/arbitrator/prover/src/kzgbn254.rs
+++ b/arbitrator/prover/src/kzgbn254.rs
@@ -175,13 +175,12 @@ pub fn prove_kzg_preimage_bn254(
     let mut length_bytes = Vec::with_capacity(32);
     append_left_padded_biguint_be(&mut length_bytes, &BigUint::from(length_usize));
 
-    out.write_all(&commitment_hash.to_vec())?; // hash [:32]
-    out.write_all(&*z)?; // evaluation point [32:64]
-    out.write_all(&*proven_y)?; // expected output [64:96]
-    out.write_all(&xminusz_encoded_bytes)?; // g2TauMinusG2z [96:224]
-    out.write_all(&*commitment_encoded_bytes)?; // kzg commitment [224:288]
-    out.write_all(&proof_encoded_bytes)?; // proof [288:352]
-    out.write_all(&*length_bytes)?; // length of preimage [352:384]
+    out.write_all(&*z)?; // evaluation point [:32]
+    out.write_all(&*proven_y)?; // expected output [32:64]
+    out.write_all(&xminusz_encoded_bytes)?; // g2TauMinusG2z [64:192]
+    out.write_all(&*commitment_encoded_bytes)?; // kzg commitment [192:256]
+    out.write_all(&proof_encoded_bytes)?; // proof [256:320]
+    out.write_all(&*length_bytes)?; // length of preimage [320:352]
 
     Ok(())
 }
diff --git a/contracts b/contracts
index 2b40663ea..3ccca596f 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit 2b40663ea26347dd034a756849802dae9c2f1e4d
+Subproject commit 3ccca596fa23c625c5d5fabe322e945defb4af3b