From 0f169a5a07e0a2dbc9bb003a08eebd9937f730a0 Mon Sep 17 00:00:00 2001
From: Sorin Stanculeanu <sorinstanculeanu26@gmail.com>
Date: Fri, 6 Dec 2024 15:08:35 +0200
Subject: [PATCH] fixed header verification after equivalent proofs

---
 process/headerCheck/headerSignatureVerify.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/process/headerCheck/headerSignatureVerify.go b/process/headerCheck/headerSignatureVerify.go
index 5af361055d1..9924c4ec70e 100644
--- a/process/headerCheck/headerSignatureVerify.go
+++ b/process/headerCheck/headerSignatureVerify.go
@@ -434,9 +434,11 @@ func (hsv *HeaderSigVerifier) copyHeaderWithoutSig(header data.HeaderHandler) (d
 		return nil, err
 	}
 
-	err = headerCopy.SetLeaderSignature(nil)
-	if err != nil {
-		return nil, err
+	if !hsv.enableEpochsHandler.IsFlagEnabledInEpoch(common.EquivalentMessagesFlag, header.GetEpoch()) {
+		err = headerCopy.SetLeaderSignature(nil)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	return headerCopy, nil