From 6e51e6db9a7f4765494ce733e4b85a3dc174fdad Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Tue, 1 Dec 2020 18:44:39 +0200
Subject: [PATCH] better handling of MDB_KEYEXIST in Put

---
 chain/store/splitstore/splitstore.go | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/chain/store/splitstore/splitstore.go b/chain/store/splitstore/splitstore.go
index c3df9cd0e..f1394562b 100644
--- a/chain/store/splitstore/splitstore.go
+++ b/chain/store/splitstore/splitstore.go
@@ -143,12 +143,7 @@ func (s *SplitStore) Put(blk blocks.Block) error {
 	s.mx.Unlock()
 
 	err := s.snoop.Put(blk.Cid(), epoch)
-	if err != nil {
-		if lmdb.IsErrno(err, lmdb.KeyExist) {
-			// duplicate write, ignore
-			return nil
-		}
-
+	if err != nil && !lmdb.IsErrno(err, lmdb.KeyExist) {
 		log.Errorf("error tracking CID in hotstore: %s; falling back to coldstore", err)
 		return s.cold.Put(blk)
 	}