del len judge

vendor/github.com/33cn/chain33/blockchain/restore.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/33cn/chain33/common/version"
 	"github.com/33cn/chain33/types"
+	dbm "github.com/33cn/chain33/common/db"
 )
 
 // Upgrade 升级localDB和storeDB
@@ -82,10 +83,7 @@ func (chain *BlockChain) ReExecBlock(startHeight, curHeight int64) {
 			if err != nil {
 				panic(fmt.Sprintf("execBlockEx connectBlock readd Txs fail height=%d err=%s, this not allow fail", i, err.Error()))
 			}
-			err = newbatch.Write()
-			if err != nil {
-				panic(err)
-			}
+			dbm.MustWrite(newbatch)
 		}
 
 		prevStateHash = block.StateHash

vendor/github.com/33cn/chain33/common/db/go_level_db.go

@@ -267,10 +267,6 @@ func (mBatch *goLevelDBBatch) Delete(key []byte) {
 }
 
 func (mBatch *goLevelDBBatch) Write() error {
-	if mBatch.batch.Len() == 0 {
-		llog.Info("Write", "len", mBatch.batch.Len())
-		return nil
-	}
 	err := mBatch.db.db.Write(mBatch.batch, mBatch.wop)
 	if err != nil {
 		llog.Error("Write", "error", err)