From b622c1934dc459f5cb9c60ab5f7ec424296f5fce Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Tue, 16 Nov 2021 23:16:54 +0300
Subject: [PATCH] core: only save token logs if there is something to save

Makes no sense storing empty ones.
---
 pkg/core/blockchain.go | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index bc519e1cd..0745794e6 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -1010,15 +1010,19 @@ func (bc *Blockchain) storeBlock(block *block.Block, txpool *mempool.Pool) error
 				aerdone <- err
 				return
 			}
-			err = kvcache.PutTokenTransferLog(acc, trData.Info.NextNEP11Batch, true, &trData.Log11)
-			if err != nil {
-				aerdone <- err
-				return
+			if !trData.Info.NewNEP11Batch {
+				err = kvcache.PutTokenTransferLog(acc, trData.Info.NextNEP11Batch, true, &trData.Log11)
+				if err != nil {
+					aerdone <- err
+					return
+				}
 			}
-			err = kvcache.PutTokenTransferLog(acc, trData.Info.NextNEP17Batch, false, &trData.Log17)
-			if err != nil {
-				aerdone <- err
-				return
+			if !trData.Info.NewNEP17Batch {
+				err = kvcache.PutTokenTransferLog(acc, trData.Info.NextNEP17Batch, false, &trData.Log17)
+				if err != nil {
+					aerdone <- err
+					return
+				}
 			}
 		}
 		close(aerdone)