From e5c113cc24b14b0cec10657ab813c7eda6d42f2c Mon Sep 17 00:00:00 2001
From: shreekara shastry <66725577+shreekarashastry@users.noreply.github.com>
Date: Tue, 19 Jul 2022 14:12:18 -0500
Subject: [PATCH] blockchain.go: PCCOP returning error in the rollback case

---
 core/blockchain.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/blockchain.go b/core/blockchain.go
index a37f28f2de..a6ad894830 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -3451,7 +3451,7 @@ func (bc *BlockChain) PreviousCanonicalCoincidentOnPath(header *types.Header, sl
 			if status == quaiclient.CanonStatTy {
 				// If we have found a non-cononical dominant coincident header, reorg to prevTerminalHeader
 				if prevTerminalHeader.Hash() != header.Hash() {
-					return nil, err
+					return nil, errors.New("prevTerminalHeader not equal to the header, returning after status==CanonStatTy")
 				} else {
 					return terminalHeader, nil
 				}