update chain33

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

@@ -412,7 +412,7 @@ func (bs *BlockStore) Get(keys *types.LocalDBGet) *types.LocalReplyValue {
 	for i := 0; i < len(keys.Keys); i++ {
 		key := keys.Keys[i]
 		value, err := bs.db.Get(key)
-		if err != nil {
+		if err != nil && err != types.ErrNotFound {
 			storeLog.Error("Get", "error", err)
 		}
 		reply.Values = append(reply.Values, value)

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

 package blockchain
 
 import (
+	"sync"
+
 	"github.com/33cn/chain33/common"
 	"github.com/33cn/chain33/common/db"
 	"github.com/33cn/chain33/queue"
 	"github.com/33cn/chain33/types"
 )
 
-var intransaction bool
-
-func (chain *BlockChain) procLocalDB(msgtype int64, msg queue.Message, reqnum chan struct{}) {
+func (chain *BlockChain) procLocalDB(msgtype int64, msg queue.Message, reqnum chan struct{}) bool {
 	switch msgtype {
 	case types.EventLocalGet:
 		go chain.processMsg(msg, reqnum, chain.localGet)
 	case types.EventLocalSet:
 		go chain.processMsg(msg, reqnum, chain.localSet)
 	case types.EventLocalBegin:
-		if intransaction {
-			go chain.processMsg(msg, reqnum, func(msg queue.Message) {
-				msg.Reply(chain.client.NewMessage("", types.EventLocalBegin, types.ErrLocalDBTxDupOpen))
-			})
-			return
-		}
-		intransaction = true
 		go chain.processMsg(msg, reqnum, chain.localBegin)
 	case types.EventLocalCommit:
-		intransaction = false
 		go chain.processMsg(msg, reqnum, chain.localCommit)
 	case types.EventLocalRollback:
-		intransaction = false
 		go chain.processMsg(msg, reqnum, chain.localRollback)
 	case types.EventLocalList:
 		go chain.processMsg(msg, reqnum, chain.localList)
 	case types.EventLocalPrefixCount:
 		go chain.processMsg(msg, reqnum, chain.localPrefixCount)
+	case types.EventLocalNew:
+		go chain.processMsg(msg, reqnum, chain.localNew)
+	case types.EventLocalClose:
+		go chain.processMsg(msg, reqnum, chain.localClose)
+	default:
+		return false
 	}
+	return true
 }
 
 func (chain *BlockChain) localGet(msg queue.Message) {
@@ -47,11 +45,12 @@ func (chain *BlockChain) localGet(msg queue.Message) {
 	tx, err := common.GetPointer(keys.Txid)
 	if err != nil {
 		msg.Reply(chain.client.NewMessage("", types.EventLocalReplyValue, err))
+		return
 	}
 	var reply types.LocalReplyValue
 	for i := 0; i < len(keys.Keys); i++ {
 		key := keys.Keys[i]
-		value, err := tx.(db.TxKV).Get(key)
+		value, err := tx.(db.KVDB).Get(key)
 		if err != nil {
 			chainlog.Debug("localGet", "i", i, "key", string(key), "err", err)
 		}
@@ -72,7 +71,7 @@ func (chain *BlockChain) localSet(msg queue.Message) {
 		msg.Reply(chain.client.NewMessage("", types.EventLocalSet, err))
 		return
 	}
-	tx := txp.(db.TxKV)
+	tx := txp.(db.KVDB)
 	for i := 0; i < len(kvs.KV); i++ {
 		err := tx.Set(kvs.KV[i].Key, kvs.KV[i].Value)
 		if err != nil {
@@ -82,55 +81,71 @@ func (chain *BlockChain) localSet(msg queue.Message) {
 	msg.Reply(chain.client.NewMessage("", types.EventLocalSet, nil))
 }
 
+//创建 localdb transaction
+func (chain *BlockChain) localNew(msg queue.Message) {
+	tx := NewLocalDB(chain.blockStore.db)
+	id := common.StorePointer(tx)
+	msg.Reply(chain.client.NewMessage("", types.EventLocalNew, &types.Int64{Data: id}))
+}
+
+//关闭 localdb transaction
+func (chain *BlockChain) localClose(msg queue.Message) {
+	id := (msg.Data).(*types.Int64).Data
+	_, err := common.GetPointer(id)
+	common.RemovePointer(id)
+	msg.Reply(chain.client.NewMessage("", types.EventLocalClose, err))
+}
+
 func (chain *BlockChain) localBegin(msg queue.Message) {
-	tx, err := chain.blockStore.db.BeginTx()
+	id := (msg.Data).(*types.Int64).Data
+	tx, err := common.GetPointer(id)
 	if err != nil {
 		msg.Reply(chain.client.NewMessage("", types.EventLocalBegin, err))
 		return
 	}
-	id := common.StorePointer(tx)
-	msg.Reply(chain.client.NewMessage("", types.EventLocalBegin, &types.Int64{Data: id}))
+	tx.(db.KVDB).Begin()
+	msg.Reply(chain.client.NewMessage("", types.EventLocalBegin, nil))
 }
 
 func (chain *BlockChain) localCommit(msg queue.Message) {
 	id := (msg.Data).(*types.Int64).Data
 	tx, err := common.GetPointer(id)
-	common.RemovePointer(id)
 	if err != nil {
 		msg.Reply(chain.client.NewMessage("", types.EventLocalCommit, err))
 		return
 	}
-	err = tx.(db.TxKV).Commit()
-	if err != nil {
+	err = tx.(db.KVDB).Commit()
 	msg.Reply(chain.client.NewMessage("", types.EventLocalCommit, err))
-		return
-	}
-	msg.Reply(chain.client.NewMessage("", types.EventLocalCommit, nil))
 }
 
 func (chain *BlockChain) localRollback(msg queue.Message) {
 	id := (msg.Data).(*types.Int64).Data
 	tx, err := common.GetPointer(id)
-	common.RemovePointer(id)
 	if err != nil {
 		msg.Reply(chain.client.NewMessage("", types.EventLocalRollback, err))
 		return
 	}
-	tx.(db.TxKV).Rollback()
+	tx.(db.KVDB).Rollback()
 	msg.Reply(chain.client.NewMessage("", types.EventLocalRollback, nil))
 }
 
 func (chain *BlockChain) localList(msg queue.Message) {
 	q := (msg.Data).(*types.LocalDBList)
-	var itdb db.IteratorDB = chain.blockStore.db
+	var values [][]byte
 	if q.Txid > 0 {
 		tx, err := common.GetPointer(q.Txid)
 		if err != nil {
 			msg.Reply(chain.client.NewMessage("", types.EventLocalReplyValue, err))
+			return
+		}
+		values, err = tx.(db.KVDB).List(q.Prefix, q.Key, q.Count, q.Direction)
+		if err != nil {
+			msg.Reply(chain.client.NewMessage("", types.EventLocalReplyValue, err))
+			return
 		}
-		itdb = tx.(db.IteratorDB)
+	} else {
+		values = db.NewListHelper(chain.blockStore.db).List(q.Prefix, q.Key, q.Count, q.Direction)
 	}
-	values := db.NewListHelper(itdb).List(q.Prefix, q.Key, q.Count, q.Direction)
 	msg.Reply(chain.client.NewMessage("", types.EventLocalReplyValue, &types.LocalReplyValue{Values: values}))
 }
 
@@ -140,3 +155,160 @@ func (chain *BlockChain) localPrefixCount(msg queue.Message) {
 	counts := db.NewListHelper(chain.blockStore.db).PrefixCount(Prefix.Key)
 	msg.Reply(chain.client.NewMessage("", types.EventLocalReplyValue, &types.Int64{Data: counts}))
 }
+
+// LocalDB local db for store key value in local
+type LocalDB struct {
+	txcache db.DB
+	cache   db.DB
+	maindb  db.DB
+	intx    bool
+	mu      sync.RWMutex
+}
+
+func newMemDB() db.DB {
+	memdb, err := db.NewGoMemDB("", "", 0)
+	if err != nil {
+		panic(err)
+	}
+	return memdb
+}
+
+// NewLocalDB new local db
+func NewLocalDB(maindb db.DB) db.KVDB {
+	return &LocalDB{
+		cache:   newMemDB(),
+		txcache: newMemDB(),
+		maindb:  maindb,
+	}
+}
+
+// Get get value from local db
+func (l *LocalDB) Get(key []byte) ([]byte, error) {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+	value, err := l.get(key)
+	return value, err
+}
+
+func (l *LocalDB) get(key []byte) ([]byte, error) {
+	if l.intx && l.txcache != nil {
+		if value, err := l.txcache.Get(key); err == nil {
+			return value, nil
+		}
+	}
+	if value, err := l.cache.Get(key); err == nil {
+		return value, nil
+	}
+	value, err := l.maindb.Get(key)
+	if err != nil {
+		return nil, err
+	}
+	err = l.cache.Set(key, value)
+	if err != nil {
+		panic(err)
+	}
+	return value, nil
+}
+
+// Set set key value to local db
+func (l *LocalDB) Set(key []byte, value []byte) error {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	if l.intx {
+		if l.txcache == nil {
+			l.txcache = newMemDB()
+		}
+		setdb(l.txcache, key, value)
+	} else {
+		setdb(l.cache, key, value)
+	}
+	return nil
+}
+
+// List 从数据库中查询数据列表，set 中的cache 更新不会影响这个list
+func (l *LocalDB) List(prefix, key []byte, count, direction int32) ([][]byte, error) {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+	dblist := make([]db.IteratorDB, 0)
+	if l.txcache != nil {
+		dblist = append(dblist, l.txcache)
+	}
+	if l.cache != nil {
+		dblist = append(dblist, l.cache)
+	}
+	if l.maindb != nil {
+		dblist = append(dblist, l.maindb)
+	}
+	mergedb := db.NewMergedIteratorDB(dblist)
+	it := db.NewListHelper(mergedb)
+	return it.List(prefix, key, count, direction), nil
+}
+
+// PrefixCount 从数据库中查询指定前缀的key的数量
+func (l *LocalDB) PrefixCount(prefix []byte) (count int64) {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+	dblist := make([]db.IteratorDB, 0)
+	if l.txcache != nil {
+		dblist = append(dblist, l.txcache)
+	}
+	if l.cache != nil {
+		dblist = append(dblist, l.cache)
+	}
+	if l.maindb != nil {
+		dblist = append(dblist, l.maindb)
+	}
+	mergedb := db.NewMergedIteratorDB(dblist)
+	it := db.NewListHelper(mergedb)
+	return it.PrefixCount(prefix)
+}
+
+//Begin 开启内存事务处理
+func (l *LocalDB) Begin() {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.intx = true
+	l.txcache = nil
+}
+
+// Rollback reset tx
+func (l *LocalDB) Rollback() {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	l.resetTx()
+}
+
+// Commit canche tx
+func (l *LocalDB) Commit() error {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	if l.txcache == nil {
+		l.resetTx()
+		return nil
+	}
+	it := l.txcache.Iterator(nil, nil, false)
+	for it.Next() {
+		l.cache.Set(it.Key(), it.Value())
+	}
+	l.resetTx()
+	return nil
+}
+
+func (l *LocalDB) resetTx() {
+	l.intx = false
+	l.txcache = nil
+}
+
+func setdb(d db.DB, key []byte, value []byte) {
+	if value == nil {
+		err := d.Delete(key)
+		if err != nil {
+			return
+		}
+	} else {
+		err := d.Set(key, value)
+		if err != nil {
+			panic(err)
+		}
+	}
+}

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

@@ -12,7 +12,6 @@ import (
 func TestLocalDBRollback(t *testing.T) {
 	mock33 := testnode.New("", nil)
 	defer mock33.Close()
-
 	//测试localdb
 	api := mock33.GetAPI()
 	param := &types.LocalDBGet{}
@@ -28,12 +27,19 @@ func TestLocalDBRollback(t *testing.T) {
 	assert.Equal(t, err, types.ErrNotSetInTransaction)
 
 	//set in transaction
-	id, err := api.LocalBegin(nil)
+	id, err := api.LocalNew(nil)
+	assert.Nil(t, err)
+	assert.True(t, id.Data > 0)
+
+	err = api.LocalClose(id)
+	assert.Nil(t, err)
+
+	id, err = api.LocalNew(nil)
 	assert.Nil(t, err)
 	assert.True(t, id.Data > 0)
 
-	_, err = api.LocalBegin(nil)
-	assert.Equal(t, err, types.ErrLocalDBTxDupOpen)
+	err = api.LocalBegin(id)
+	assert.Nil(t, err)
 
 	param2 = &types.LocalDBSet{Txid: id.Data}
 	param2.KV = append(param2.KV, &types.KeyValue{Key: []byte("hello"), Value: []byte("world")})
@@ -87,7 +93,7 @@ func TestLocalDBRollback(t *testing.T) {
 		Direction: 1,
 	}
 	_, err = api.LocalList(list)
-	assert.Equal(t, err, common.ErrPointerNotFound)
+	assert.Nil(t, err)
 
 	list = &types.LocalDBList{
 		Prefix:    []byte("hello"),
@@ -117,12 +123,12 @@ func TestLocalDBCommit(t *testing.T) {
 	assert.Equal(t, err, types.ErrNotSetInTransaction)
 
 	//set in transaction
-	id, err := api.LocalBegin(nil)
+	id, err := api.LocalNew(nil)
 	assert.Nil(t, err)
 	assert.True(t, id.Data > 0)
 
-	_, err = api.LocalBegin(nil)
-	assert.Equal(t, err, types.ErrLocalDBTxDupOpen)
+	err = api.LocalBegin(id)
+	assert.Nil(t, err)
 
 	param2 = &types.LocalDBSet{Txid: id.Data}
 	param2.KV = append(param2.KV, &types.KeyValue{Key: []byte("hello"), Value: []byte("world")})
@@ -167,6 +173,9 @@ func TestLocalDBCommit(t *testing.T) {
 	err = api.LocalCommit(id)
 	assert.Nil(t, err)
 
+	err = api.LocalClose(id)
+	assert.Nil(t, err)
+
 	list = &types.LocalDBList{
 		Txid:      id.Data,
 		Prefix:    []byte("hello"),
@@ -175,13 +184,12 @@ func TestLocalDBCommit(t *testing.T) {
 	_, err = api.LocalList(list)
 	assert.Equal(t, err, common.ErrPointerNotFound)
 
+	//系统只读，无法写入数据
 	list = &types.LocalDBList{
 		Prefix:    []byte("hello"),
 		Direction: 1,
 	}
 	values, err = api.LocalList(list)
 	assert.Equal(t, err, nil)
-	assert.Equal(t, 2, len(values.Values))
-	assert.Equal(t, []byte("world"), values.Values[0])
-	assert.Equal(t, []byte("world2"), values.Values[1])
+	assert.Equal(t, 0, len(values.Values))
 }

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

@@ -22,7 +22,9 @@ func (chain *BlockChain) ProcRecvMsg() {
 		msgtype := msg.Ty
 		reqnum <- struct{}{}
 		atomic.AddInt32(&chain.runcount, 1)
-		chain.procLocalDB(msgtype, msg, reqnum)
+		if chain.procLocalDB(msgtype, msg, reqnum) {
+			continue
+		}
 		switch msgtype {
 		case types.EventQueryTx:
 			go chain.processMsg(msg, reqnum, chain.queryTx)

vendor/github.com/33cn/chain33/client/mock_blockchain_test.go

@@ -138,8 +138,16 @@ func (m *mockBlockChain) SetQueueClient(q queue.Queue) {
 				} else {
 					msg.ReplyErr("Do not support", types.ErrInvalidParam)
 				}
+			case types.EventLocalNew:
+				msg.Reply(client.NewMessage(blockchainKey, types.EventLocalNew, &types.Int64{Data: 9999}))
+			case types.EventLocalClose:
+				msg.Reply(client.NewMessage(blockchainKey, types.EventLocalClose, nil))
 			case types.EventLocalBegin:
-				msg.Reply(client.NewMessage(blockchainKey, types.EventLocalBegin, &types.Int64{Data: 9999}))
+				if req, ok := msg.GetData().(*types.Int64); ok && req.Data == 9999 {
+					msg.Reply(client.NewMessage(blockchainKey, types.EventLocalBegin, nil))
+				} else {
+					msg.ReplyErr("transaction id must 9999", types.ErrInvalidParam)
+				}
 			case types.EventLocalCommit:
 				if req, ok := msg.GetData().(*types.Int64); ok && req.Data == 9999 {
 					msg.Reply(client.NewMessage(blockchainKey, types.EventLocalCommit, nil))

vendor/github.com/33cn/chain33/client/mocks/api.go

@@ -707,26 +707,31 @@ func (_m *QueueProtocolAPI) ListSeqCallBack() (*types.BlockSeqCBs, error) {
 }
 
 // LocalBegin provides a mock function with given fields: param
-func (_m *QueueProtocolAPI) LocalBegin(param *types.ReqNil) (*types.Int64, error) {
+func (_m *QueueProtocolAPI) LocalBegin(param *types.Int64) error {
 	ret := _m.Called(param)
 
-	var r0 *types.Int64
-	if rf, ok := ret.Get(0).(func(*types.ReqNil) *types.Int64); ok {
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*types.Int64) error); ok {
 		r0 = rf(param)
 	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*types.Int64)
-		}
+		r0 = ret.Error(0)
 	}
 
-	var r1 error
-	if rf, ok := ret.Get(1).(func(*types.ReqNil) error); ok {
-		r1 = rf(param)
+	return r0
+}
+
+// LocalClose provides a mock function with given fields: param
+func (_m *QueueProtocolAPI) LocalClose(param *types.Int64) error {
+	ret := _m.Called(param)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*types.Int64) error); ok {
+		r0 = rf(param)
 	} else {
-		r1 = ret.Error(1)
+		r0 = ret.Error(0)
 	}
 
-	return r0, r1
+	return r0
 }
 
 // LocalCommit provides a mock function with given fields: param
@@ -789,6 +794,29 @@ func (_m *QueueProtocolAPI) LocalList(param *types.LocalDBList) (*types.LocalRep
 	return r0, r1
 }
 
+// LocalNew provides a mock function with given fields: param
+func (_m *QueueProtocolAPI) LocalNew(param *types.ReqNil) (*types.Int64, error) {
+	ret := _m.Called(param)
+
+	var r0 *types.Int64
+	if rf, ok := ret.Get(0).(func(*types.ReqNil) *types.Int64); ok {
+		r0 = rf(param)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Int64)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(*types.ReqNil) error); ok {
+		r1 = rf(param)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // LocalRollback provides a mock function with given fields: param
 func (_m *QueueProtocolAPI) LocalRollback(param *types.Int64) error {
 	ret := _m.Called(param)

vendor/github.com/33cn/chain33/client/queueprotocol.go

@@ -741,11 +741,11 @@ func (q *QueueProtocol) LocalSet(param *types.LocalDBSet) error {
 	return nil
 }
 
-//LocalBegin begin a transaction
-func (q *QueueProtocol) LocalBegin(param *types.ReqNil) (*types.Int64, error) {
-	msg, err := q.query(blockchainKey, types.EventLocalBegin, nil)
+//LocalNew new a localdb object
+func (q *QueueProtocol) LocalNew(param *types.ReqNil) (*types.Int64, error) {
+	msg, err := q.query(blockchainKey, types.EventLocalNew, nil)
 	if err != nil {
-		log.Error("LocalBegin", "Error", err.Error())
+		log.Error("LocalNew", "Error", err.Error())
 		return nil, err
 	}
 	if reply, ok := msg.GetData().(*types.Int64); ok {
@@ -754,6 +754,26 @@ func (q *QueueProtocol) LocalBegin(param *types.ReqNil) (*types.Int64, error) {
 	return nil, types.ErrTypeAsset
 }
 
+//LocalBegin begin a transaction
+func (q *QueueProtocol) LocalBegin(param *types.Int64) error {
+	_, err := q.query(blockchainKey, types.EventLocalBegin, param)
+	if err != nil {
+		log.Error("LocalBegin", "Error", err.Error())
+		return err
+	}
+	return nil
+}
+
+//LocalClose begin a transaction
+func (q *QueueProtocol) LocalClose(param *types.Int64) error {
+	_, err := q.query(blockchainKey, types.EventLocalClose, param)
+	if err != nil {
+		log.Error("LocalClose", "Error", err.Error())
+		return err
+	}
+	return nil
+}
+
 //LocalCommit commit a transaction
 func (q *QueueProtocol) LocalCommit(param *types.Int64) error {
 	if param == nil {

vendor/github.com/33cn/chain33/client/queueprotocol_test.go

@@ -192,9 +192,11 @@ func testLocalList(t *testing.T, api client.QueueProtocolAPI) {
 }
 
 func testLocalTransaction(t *testing.T, api client.QueueProtocolAPI) {
-	txid, err := api.LocalBegin(nil)
+	txid, err := api.LocalNew(nil)
 	assert.Nil(t, err)
 	assert.Equal(t, txid.Data, int64(9999))
+	err = api.LocalBegin(txid)
+	assert.Nil(t, err)
 	err = api.LocalCommit(txid)
 	assert.Nil(t, err)
 	err = api.LocalRollback(txid)
@@ -202,6 +204,8 @@ func testLocalTransaction(t *testing.T, api client.QueueProtocolAPI) {
 	param := &types.LocalDBSet{Txid: txid.Data}
 	err = api.LocalSet(param)
 	assert.Nil(t, err)
+	err = api.LocalClose(txid)
+	assert.Nil(t, err)
 }
 
 func testIsNtpClockSync(t *testing.T, api client.QueueProtocolAPI) {

vendor/github.com/33cn/chain33/client/queueprotocolapi.go

@@ -43,8 +43,12 @@ type QueueProtocolAPI interface {
 	// +++++++++++++++ wallet interfaces begin
 	// types.EventLocalGet
 	LocalGet(param *types.LocalDBGet) (*types.LocalReplyValue, error)
+	// types.EventLocalNew
+	LocalNew(param *types.ReqNil) (*types.Int64, error)
+	// types.EventLocalClose
+	LocalClose(param *types.Int64) error
 	// types.EventLocalBeign
-	LocalBegin(param *types.ReqNil) (*types.Int64, error)
+	LocalBegin(param *types.Int64) error
 	// types.EventLocalCommit
 	LocalCommit(param *types.Int64) error
 	// types.EventLocalRollback

vendor/github.com/33cn/chain33/cmd/tools/strategy/importpackage.go

@@ -253,7 +253,10 @@ func (im *importPackageStrategy) fetchPlugin(gitrepo, version string) error {
 func (im *importPackageStrategy) fetchPluginPackage() error {
 	mlog.Info("下载插件源码包")
 	pwd := util.Pwd()
-	os.Chdir(im.projRootPath)
+	err := os.Chdir(im.projRootPath)
+	if err != nil {
+		return err
+	}
 	defer os.Chdir(pwd)
 	for _, plugins := range im.items {
 		for _, plugin := range plugins {

vendor/github.com/33cn/chain33/cmd/write/write.go

@@ -74,13 +74,19 @@ func main() {
 
 func ioHeightAndIndex() error {
 	if _, err := os.Stat(heightFile); os.IsNotExist(err) {
-		f, _ := os.Create(heightFile)
+		f, innerErr := os.Create(heightFile)
+		if innerErr != nil {
+			return innerErr
+		}
 		height := strconv.FormatInt(currentHeight, 10)
 		index := strconv.FormatInt(currentIndex, 10)
 		f.WriteString(height + " " + index)
 		f.Close()
 	}
-	f, _ := os.OpenFile(heightFile, os.O_RDWR, 0666)
+	f, err := os.OpenFile(heightFile, os.O_RDWR, 0666)
+	if err != nil {
+		return err
+	}
 	defer f.Close()
 	fileContent, err := ioutil.ReadFile(heightFile)
 	if err != nil {
@@ -201,7 +207,11 @@ func scanWrite() {
 			}
 			var sent string
 			rpc.Call("Chain33.SendTransaction", paramsRaw, &sent)
-			f, _ := os.OpenFile(heightFile, os.O_RDWR, 0666)
+			f, err := os.OpenFile(heightFile, os.O_RDWR, 0666)
+			if err != nil {
+				fmt.Fprintln(os.Stderr, err)
+				continue
+			}
 			height := strconv.FormatInt(currentHeight, 10)
 			index := strconv.FormatInt(currentIndex, 10)
 			f.WriteString(height + " " + index)

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

@@ -22,6 +22,14 @@ var ErrPointerNotFound = errors.New("ErrPointerNotFound")
 
 func init() {
 	random = rand.New(rand.NewSource(time.Now().UnixNano()))
+	go func() {
+		for {
+			time.Sleep(60 * time.Second)
+			if len(globalPointerMap) > 10 {
+				println("<==>global pointer count = ", len(globalPointerMap))
+			}
+		}
+	}()
 }
 
 //StorePointer 保存指针返回int64

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

@@ -284,7 +284,10 @@ func (db *GoBadgerDB) NewBatch(sync bool) Batch {
 
 //Set set
 func (mBatch *GoBadgerDBBatch) Set(key, value []byte) {
-	mBatch.batch.Set(key, value)
+	err := mBatch.batch.Set(key, value)
+	if err != nil {
+		blog.Error("Set", "error", err)
+	}
 	mBatch.size += len(value)
 	mBatch.size += len(key)
 	mBatch.len += len(value)
@@ -292,7 +295,10 @@ func (mBatch *GoBadgerDBBatch) Set(key, value []byte) {
 
 //Delete 设置
 func (mBatch *GoBadgerDBBatch) Delete(key []byte) {
-	mBatch.batch.Delete(key)
+	err := mBatch.batch.Delete(key)
+	if err != nil {
+		blog.Error("Delete", "error", err)
+	}
 	mBatch.size += len(key)
 	mBatch.len++
 }

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

@@ -38,26 +38,13 @@ func NewGoMemDB(name string, dir string, cache int) (*GoMemDB, error) {
 	}, nil
 }
 
-//CopyBytes 复制字节
-func CopyBytes(b []byte) (copiedBytes []byte) {
-	/* 兼容leveldb
-	if b == nil {
-		return nil
-	}
-	*/
-	copiedBytes = make([]byte, len(b))
-	copy(copiedBytes, b)
-
-	return copiedBytes
-}
-
 //Get get
 func (db *GoMemDB) Get(key []byte) ([]byte, error) {
 	v, err := db.db.Get(key)
 	if err != nil {
 		return nil, ErrNotFoundInDb
 	}
-	return CopyBytes(v), nil
+	return cloneByte(v), nil
 }
 
 //Set set
@@ -151,14 +138,14 @@ func (db *GoMemDB) NewBatch(sync bool) Batch {
 }
 
 func (b *memBatch) Set(key, value []byte) {
-	b.writes = append(b.writes, kv{CopyBytes(key), CopyBytes(value)})
+	b.writes = append(b.writes, kv{cloneByte(key), cloneByte(value)})
 	b.size += len(value)
 	b.size += len(key)
 	b.len += len(value)
 }
 
 func (b *memBatch) Delete(key []byte) {
-	b.writes = append(b.writes, kv{CopyBytes(key), nil})
+	b.writes = append(b.writes, kv{cloneByte(key), nil})
 	b.size += len(key)
 	b.len++
 }

vendor/github.com/33cn/chain33/executor/db_test.go

@@ -20,11 +20,6 @@ func TestStateDBGet(t *testing.T) {
 	testDBGet(t, db)
 }
 
-func TestLocalDBGet(t *testing.T) {
-	db := NewLocalDB(nil)
-	testDBGet(t, db)
-}
-
 func testDBGet(t *testing.T, db dbm.KV) {
 	err := db.Set([]byte("k1"), []byte("v1"))
 	assert.Nil(t, err)
@@ -83,16 +78,6 @@ func TestStateDBTxGetOld(t *testing.T) {
 	db.Commit()
 }
 
-func TestStateDBTxGet(t *testing.T) {
-	db := newStateDbForTest(types.GetFork("ForkExecRollback"))
-	testTxGet(t, db)
-}
-
-func TestLocalDBTxGet(t *testing.T) {
-	db := NewLocalDB(nil)
-	testTxGet(t, db)
-}
-
 func testTxGet(t *testing.T, db dbm.KV) {
 	//新版本
 	db.Begin()
@@ -128,23 +113,7 @@ func testTxGet(t *testing.T, db dbm.KV) {
 	assert.Equal(t, v, []byte("v11"))
 }
 
-func TestLocalDB(t *testing.T) {
-	db := NewLocalDB(nil)
-	err := db.Set([]byte("k1"), []byte("v1"))
-	assert.Nil(t, err)
-	v, err := db.Get([]byte("k1"))
-	assert.Nil(t, err)
-	assert.Equal(t, v, []byte("v1"))
-
-	err = db.Set([]byte("k1"), []byte("v11"))
-	assert.Nil(t, err)
-	v, err = db.Get([]byte("k1"))
-	assert.Nil(t, err)
-	assert.Equal(t, v, []byte("v11"))
-
-	//beigin and rollback not imp
-	db.Begin()
-	db.Rollback()
-	db.Commit()
-	db.List([]byte("a"), []byte("b"), 1, 1)
+func TestStateDBTxGet(t *testing.T) {
+	db := newStateDbForTest(types.GetFork("ForkExecRollback"))
+	testTxGet(t, db)
 }

vendor/github.com/33cn/chain33/executor/execenv.go

@@ -44,11 +44,10 @@ type executorCtx struct {
 	mainHeight int64
 }
 
-func newExecutor(ctx *executorCtx, exec *Executor, txs []*types.Transaction, receipts []*types.ReceiptData) *executor {
+func newExecutor(ctx *executorCtx, exec *Executor, localdb dbm.KVDB, txs []*types.Transaction, receipts []*types.ReceiptData) *executor {
 	client := exec.client
 	enableMVCC := exec.pluginEnable["mvcc"]
 	opt := &StateDBOption{EnableMVCC: enableMVCC, Height: ctx.height}
-	localdb := NewLocalDB(client)
 	e := &executor{
 		stateDB:      NewStateDB(client, ctx.stateHash, localdb, opt),
 		localDB:      localdb,
@@ -225,7 +224,7 @@ func (e *executor) loadDriver(tx *types.Transaction, index int) (c drivers.Drive
 	return exec
 }
 
-func (e *executor) execTxGroup(txs []*types.Transaction, index int) ([]*types.Receipt, error) {
+func (e *executor) execTxGroup(exec *Executor, txs []*types.Transaction, index int) ([]*types.Receipt, error) {
 	txgroup := &types.Transactions{Txs: txs}
 	err := e.checkTxGroup(txgroup, index)
 	if err != nil {
@@ -239,6 +238,7 @@ func (e *executor) execTxGroup(txs []*types.Transaction, index int) ([]*types.Re
 	//如果系统执行失败，回滚到这个状态
 	rollbackLog := copyReceipt(feelog)
 	e.stateDB.Begin()
+	e.localDB.Begin()
 	receipts := make([]*types.Receipt, len(txs))
 	for i := 1; i < len(txs); i++ {
 		receipts[i] = &types.Receipt{Ty: types.ExecPack}
@@ -253,8 +253,10 @@ func (e *executor) execTxGroup(txs []*types.Transaction, index int) ([]*types.Re
 		if types.IsFork(e.height, "ForkExecRollback") {
 			e.stateDB.Rollback()
 		}
+		e.localDB.Rollback()
 		return receipts, nil
 	}
+	exec.execLocalSameTime(e, txs[0], receipts[0], index)
 	for i := 1; i < len(txs); i++ {
 		//如果有一笔执行失败了，那么全部回滚
 		receipts[i], err = e.execTxOne(receipts[i], txs[i], index+i)
@@ -272,10 +274,13 @@ func (e *executor) execTxGroup(txs []*types.Transaction, index int) ([]*types.Re
 			}
 			//撤销所有的数据库更新
 			e.stateDB.Rollback()
+			e.localDB.Rollback()
 			return receipts, nil
 		}
+		exec.execLocalSameTime(e, txs[i], receipts[i], index+i)
 	}
 	e.stateDB.Commit()
+	e.localDB.Commit()
 	return receipts, nil
 }
 

vendor/github.com/33cn/chain33/executor/executor.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/33cn/chain33/account"
 	"github.com/33cn/chain33/client/api"
+	dbm "github.com/33cn/chain33/common/db"
 	clog "github.com/33cn/chain33/common/log"
 	log "github.com/33cn/chain33/common/log/log15"
 	"github.com/33cn/chain33/pluginmgr"
@@ -39,6 +40,7 @@ func DisableLog() {
 
 // Executor executor struct
 type Executor struct {
+	disableLocal bool
 	client       queue.Client
 	qclient      client.QueueProtocolAPI
 	grpccli      types.Chain33Client
@@ -142,8 +144,12 @@ func (exec *Executor) procExecQuery(msg queue.Message) {
 	if data.StateHash == nil {
 		data.StateHash = header.StateHash
 	}
-	localdb := NewLocalDB(exec.client)
+	var localdb dbm.KVDB
+	if !exec.disableLocal {
+		localdb = NewLocalDB(exec.client)
+		defer localdb.(*LocalDB).Close()
 		driver.SetLocalDB(localdb)
+	}
 	opt := &StateDBOption{EnableMVCC: exec.pluginEnable["mvcc"], Height: header.GetHeight()}
 
 	db := NewStateDB(exec.client, data.StateHash, localdb, opt)
@@ -173,7 +179,12 @@ func (exec *Executor) procExecCheckTx(msg queue.Message) {
 		mainHeight: datas.MainHeight,
 		parentHash: datas.ParentHash,
 	}
-	execute := newExecutor(ctx, exec, datas.Txs, nil)
+	var localdb dbm.KVDB
+	if !exec.disableLocal {
+		localdb = NewLocalDB(exec.client)
+		defer localdb.(*LocalDB).Close()
+	}
+	execute := newExecutor(ctx, exec, localdb, datas.Txs, nil)
 	execute.enableMVCC(nil)
 	//返回一个列表表示成功还是失败
 	result := &types.ReceiptCheckTxList{}
@@ -204,7 +215,12 @@ func (exec *Executor) procExecTxList(msg queue.Message) {
 		mainHeight: datas.MainHeight,
 		parentHash: datas.ParentHash,
 	}
-	execute := newExecutor(ctx, exec, datas.Txs, nil)
+	var localdb dbm.KVDB
+	if !exec.disableLocal {
+		localdb = NewLocalDB(exec.client)
+		defer localdb.(*LocalDB).Close()
+	}
+	execute := newExecutor(ctx, exec, localdb, datas.Txs, nil)
 	execute.enableMVCC(nil)
 	var receipts []*types.Receipt
 	index := 0
@@ -225,6 +241,8 @@ func (exec *Executor) procExecTxList(msg queue.Message) {
 				receipts = append(receipts, types.NewErrReceipt(err))
 				continue
 			}
+			//update local
+			exec.execLocalSameTime(execute, tx, receipt, index)
 			receipts = append(receipts, receipt)
 			index++
 			continue
@@ -239,7 +257,7 @@ func (exec *Executor) procExecTxList(msg queue.Message) {
 			receipts = append(receipts, types.NewErrReceipt(types.ErrTxGroupCount))
 			continue
 		}
-		receiptlist, err := execute.execTxGroup(datas.Txs[i:i+int(tx.GroupCount)], index)
+		receiptlist, err := execute.execTxGroup(exec, datas.Txs[i:i+int(tx.GroupCount)], index)
 		i = i + int(tx.GroupCount) - 1
 		if len(receiptlist) > 0 && len(receiptlist) != int(tx.GroupCount) {
 			panic("len(receiptlist) must be equal tx.GroupCount")
@@ -261,6 +279,22 @@ func (exec *Executor) procExecTxList(msg queue.Message) {
 		&types.Receipts{Receipts: receipts}))
 }
 
+func (exec *Executor) execLocalSameTime(execute *executor, tx *types.Transaction, receipt *types.Receipt, index int) {
+	e := execute.loadDriver(tx, index)
+	if e.ExecutorOrder() == drivers.ExecLocalSameTime {
+		var r = &types.ReceiptData{}
+		if receipt != nil {
+			r.Ty = receipt.Ty
+			r.Logs = receipt.Logs
+		}
+		_, err := exec.execLocalTx(execute, tx, r, index)
+		//ignore err, only print err
+		if err != nil {
+			elog.Debug("ExecLocal Same Time", "err", err)
+		}
+	}
+}
+
 func (exec *Executor) procExecAddBlock(msg queue.Message) {
 	datas := msg.GetData().(*types.BlockDetail)
 	b := datas.Block
@@ -273,7 +307,12 @@ func (exec *Executor) procExecAddBlock(msg queue.Message) {
 		mainHeight: b.MainHeight,
 		parentHash: b.ParentHash,
 	}
-	execute := newExecutor(ctx, exec, b.Txs, datas.Receipts)
+	var localdb dbm.KVDB
+	if !exec.disableLocal {
+		localdb = NewLocalDB(exec.client)
+		defer localdb.(*LocalDB).Close()
+	}
+	execute := newExecutor(ctx, exec, localdb, b.Txs, datas.Receipts)
 	//因为mvcc 还没有写入，所以目前的mvcc版本是前一个区块的版本
 	execute.enableMVCC(datas.PrevStatusHash)
 	var kvset types.LocalDBSet
@@ -305,27 +344,36 @@ func (exec *Executor) procExecAddBlock(msg queue.Message) {
 	}
 	for i := 0; i < len(b.Txs); i++ {
 		tx := b.Txs[i]
-		kv, err := execute.execLocal(tx, datas.Receipts[i], i)
-		if err == types.ErrActionNotSupport {
-			continue
-		}
+		kv, err := exec.execLocalTx(execute, tx, datas.Receipts[i], i)
 		if err != nil {
 			msg.Reply(exec.client.NewMessage("", types.EventAddBlock, err))
 			return
 		}
 		if kv != nil && kv.KV != nil {
+			kvset.KV = append(kvset.KV, kv.KV...)
+		}
+	}
+	msg.Reply(exec.client.NewMessage("", types.EventAddBlock, &kvset))
+}
+
+func (exec *Executor) execLocalTx(execute *executor, tx *types.Transaction, r *types.ReceiptData, index int) (*types.LocalDBSet, error) {
+	kv, err := execute.execLocal(tx, r, index)
+	if err == types.ErrActionNotSupport {
+		return nil, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	if kv != nil && kv.KV != nil {
 		err := exec.checkPrefix(tx.Execer, kv.KV)
 		if err != nil {
-				msg.Reply(exec.client.NewMessage("", types.EventAddBlock, err))
-				return
+			return nil, err
 		}
-			kvset.KV = append(kvset.KV, kv.KV...)
 		for _, kv := range kv.KV {
 			execute.localDB.Set(kv.Key, kv.Value)
 		}
 	}
-	}
-	msg.Reply(exec.client.NewMessage("", types.EventAddBlock, &kvset))
+	return kv, nil
 }
 
 func (exec *Executor) procExecDelBlock(msg queue.Message) {
@@ -340,7 +388,12 @@ func (exec *Executor) procExecDelBlock(msg queue.Message) {
 		mainHeight: b.MainHeight,
 		parentHash: b.ParentHash,
 	}
-	execute := newExecutor(ctx, exec, b.Txs, nil)
+	var localdb dbm.KVDB
+	if !exec.disableLocal {
+		localdb = NewLocalDB(exec.client)
+		defer localdb.(*LocalDB).Close()
+	}
+	execute := newExecutor(ctx, exec, localdb, b.Txs, nil)
 	execute.enableMVCC(nil)
 	var kvset types.LocalDBSet
 	for _, kv := range datas.KV {

vendor/github.com/33cn/chain33/executor/executor_real_test.go

@@ -6,13 +6,16 @@ package executor_test
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	_ "net/http/pprof"
 	"testing"
 
+	"github.com/33cn/chain33/common"
 	"github.com/33cn/chain33/common/address"
 	"github.com/33cn/chain33/common/merkle"
 	_ "github.com/33cn/chain33/system"
+	drivers "github.com/33cn/chain33/system/dapp"
 	"github.com/33cn/chain33/types"
 	"github.com/33cn/chain33/util"
 	"github.com/33cn/chain33/util/testnode"
@@ -20,6 +23,8 @@ import (
 )
 
 func init() {
+	drivers.Register("demo2", newdemoApp, 1)
+	types.AllowUserExec = append(types.AllowUserExec, []byte("demo2"))
 	go func() {
 		http.ListenAndServe("localhost:6060", nil)
 	}()
@@ -271,3 +276,129 @@ func BenchmarkExecBlock(b *testing.B) {
 		util.ExecBlock(mock33.GetClient(), block0.StateHash, block, false, true)
 	}
 }
+
+/*
+ExecLocalSameTime test
+*/
+type demoApp struct {
+	*drivers.DriverBase
+}
+
+func newdemoApp() drivers.Driver {
+	demo := &demoApp{DriverBase: &drivers.DriverBase{}}
+	demo.SetChild(demo)
+	return demo
+}
+
+func (demo *demoApp) GetDriverName() string {
+	return "demo2"
+}
+
+var orderflag = drivers.ExecLocalSameTime
+
+func (demo *demoApp) ExecutorOrder() int64 {
+	return orderflag
+}
+
+func (demo *demoApp) Exec(tx *types.Transaction, index int) (receipt *types.Receipt, err error) {
+	addr := tx.From()
+	id := common.ToHex(tx.Hash())
+	values, err := demo.GetLocalDB().List(demoCalcLocalKey(addr, ""), nil, 0, 0)
+	if err != nil && err != types.ErrNotFound {
+		return nil, err
+	}
+	receipt = &types.Receipt{Ty: types.ExecOk}
+	receipt.KV = append(receipt.KV, &types.KeyValue{
+		Key:   demoCalcStateKey(addr, id),
+		Value: []byte(fmt.Sprint(len(values))),
+	})
+	receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: int32(len(values))})
+	return receipt, nil
+}
+
+func (demo *demoApp) ExecLocal(tx *types.Transaction, receipt *types.ReceiptData, index int) (localkv *types.LocalDBSet, err error) {
+	localkv = &types.LocalDBSet{}
+	addr := tx.From()
+	id := common.ToHex(tx.Hash())
+	localkv.KV = append(localkv.KV, &types.KeyValue{
+		Key:   demoCalcLocalKey(addr, id),
+		Value: tx.Hash(),
+	})
+	return localkv, nil
+}
+
+func demoCalcStateKey(addr string, id string) []byte {
+	key := append([]byte("mavl-demo2-"), []byte(addr)...)
+	key = append(key, []byte(":")...)
+	key = append(key, []byte(id)...)
+	return key
+}
+
+func demoCalcLocalKey(addr string, id string) []byte {
+	key := append([]byte("LODB-demo2-"), []byte(addr)...)
+	key = append(key, []byte(":")...)
+	if len(id) > 0 {
+		key = append(key, []byte(id)...)
+	}
+	return key
+}
+
+func TestExecLocalSameTime1(t *testing.T) {
+	mock33 := newMockNode()
+	defer mock33.Close()
+	orderflag = 1
+	genkey := mock33.GetGenesisKey()
+	genaddr := mock33.GetGenesisAddress()
+	mock33.WaitHeight(0)
+	block := mock33.GetBlock(0)
+	assert.Equal(t, mock33.GetAccount(block.StateHash, genaddr).Balance, 100000000*types.Coin)
+	var txs []*types.Transaction
+	addr1, priv1 := util.Genaddress()
+	txs = append(txs, util.CreateCoinsTx(genkey, addr1, 1e8))
+	txs = append(txs, util.CreateTxWithExecer(priv1, "demo2"))
+	txs = append(txs, util.CreateTxWithExecer(priv1, "demo2"))
+	block2 := util.CreateNewBlock(block, txs)
+	detail, _, err := util.ExecBlock(mock33.GetClient(), block.StateHash, block2, false, true)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	for i, receipt := range detail.Receipts {
+		assert.Equal(t, receipt.GetTy(), int32(2), fmt.Sprint(i))
+		if i >= 1 {
+			fmt.Println(receipt)
+			assert.Equal(t, len(receipt.Logs), 2)
+			assert.Equal(t, receipt.Logs[1].Ty, int32(i)-1)
+		}
+	}
+}
+
+func TestExecLocalSameTime0(t *testing.T) {
+	mock33 := newMockNode()
+	defer mock33.Close()
+	orderflag = 0
+	genkey := mock33.GetGenesisKey()
+	genaddr := mock33.GetGenesisAddress()
+	mock33.WaitHeight(0)
+	block := mock33.GetBlock(0)
+	assert.Equal(t, mock33.GetAccount(block.StateHash, genaddr).Balance, 100000000*types.Coin)
+	var txs []*types.Transaction
+	addr1, priv1 := util.Genaddress()
+	txs = append(txs, util.CreateCoinsTx(genkey, addr1, 1e8))
+	txs = append(txs, util.CreateTxWithExecer(priv1, "demo2"))
+	txs = append(txs, util.CreateTxWithExecer(priv1, "demo2"))
+	block2 := util.CreateNewBlock(block, txs)
+	detail, _, err := util.ExecBlock(mock33.GetClient(), block.StateHash, block2, false, true)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	for i, receipt := range detail.Receipts {
+		assert.Equal(t, receipt.GetTy(), int32(2), fmt.Sprint(i))
+		if i >= 1 {
+			fmt.Println(receipt)
+			assert.Equal(t, len(receipt.Logs), 2)
+			assert.Equal(t, receipt.Logs[1].Ty, int32(0))
+		}
+	}
+}

vendor/github.com/33cn/chain33/executor/executor_test.go

@@ -58,7 +58,7 @@ func TestExecutorGetTxGroup(t *testing.T) {
 		mainHash:   nil,
 		parentHash: nil,
 	}
-	execute := newExecutor(ctx, exec, txs, nil)
+	execute := newExecutor(ctx, exec, nil, txs, nil)
 	e := execute.loadDriver(txs[0], 0)
 	execute.setEnv(e)
 	txs2 := e.GetTxs()
@@ -73,7 +73,7 @@ func TestExecutorGetTxGroup(t *testing.T) {
 
 	//err tx group list
 	txs[0].Header = nil
-	execute = newExecutor(ctx, exec, txs, nil)
+	execute = newExecutor(ctx, exec, nil, txs, nil)
 	e = execute.loadDriver(txs[0], 0)
 	execute.setEnv(e)
 	_, err = e.GetTxGroup(len(txs) - 1)
@@ -180,7 +180,7 @@ func TestExecutorErrAPIEnv(t *testing.T) {
 	types.SetMinFee(0)
 	defer types.SetMinFee(minfee)
 	q := queue.New("channel")
-	exec := &Executor{client: q.Client()}
+	exec := &Executor{client: q.Client(), disableLocal: true}
 	execInit(nil)
 	var txs []*types.Transaction
 	genkey := util.TestPrivkeyList[0]

vendor/github.com/33cn/chain33/executor/localdb.go

 package executor
 
 import (
+	"github.com/33cn/chain33/client"
 	"github.com/33cn/chain33/common/db"
 	"github.com/33cn/chain33/queue"
 	"github.com/33cn/chain33/types"
 )
 
-// LocalDB local db for store key value in local
+//LocalDB 本地数据库，类似localdb，不加入区块链的状态。
+//数据库只读，不能落盘
+//数据的get set 主要经过 cache
+//如果需要进行list, 那么把get set 的内容加入到 后端数据库
 type LocalDB struct {
 	cache   map[string][]byte
 	txcache map[string][]byte
 	keys    []string
 	intx    bool
+	kvs     []*types.KeyValue
+	txid    *types.Int64
 	client  queue.Client
+	api     client.QueueProtocolAPI
 }
 
-// NewLocalDB new local db
-func NewLocalDB(client queue.Client) db.KVDB {
-	return &LocalDB{cache: make(map[string][]byte), client: client}
+//NewLocalDB 创建一个新的LocalDB
+func NewLocalDB(cli queue.Client) db.KVDB {
+	api, err := client.New(cli, nil)
+	if err != nil {
+		panic(err)
+	}
+	txid, err := api.LocalNew(nil)
+	if err != nil {
+		panic(err)
+	}
+	return &LocalDB{
+		cache:  make(map[string][]byte),
+		txid:   txid,
+		client: cli,
+		api:    api,
+	}
 }
 
-// Get get value from local db
-func (l *LocalDB) Get(key []byte) ([]byte, error) {
-	value, err := l.get(key)
-	debugAccount("==lget==", key, value)
-	return value, err
+func (l *LocalDB) resetTx() {
+	l.intx = false
+	l.txcache = nil
+	l.keys = nil
+}
+
+//Begin 开始一个事务
+func (l *LocalDB) Begin() {
+	l.intx = true
+	l.keys = nil
+	l.txcache = nil
+	err := l.api.LocalBegin(l.txid)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func (l *LocalDB) save() error {
+	if l.kvs != nil {
+		param := &types.LocalDBSet{Txid: l.txid.Data}
+		param.KV = l.kvs
+		err := l.api.LocalSet(param)
+		if err != nil {
+			return err
+		}
+		l.kvs = nil
+	}
+	return nil
+}
+
+//Commit 提交一个事务
+func (l *LocalDB) Commit() error {
+	for k, v := range l.txcache {
+		l.cache[k] = v
+	}
+	err := l.save()
+	if err != nil {
+		return err
+	}
+	l.resetTx()
+	err = l.api.LocalCommit(l.txid)
+	return err
+}
+
+//Close 提交一个事务
+func (l *LocalDB) Close() error {
+	l.cache = nil
+	l.resetTx()
+	err := l.api.LocalClose(l.txid)
+	return err
+}
+
+//Rollback 回滚修改
+func (l *LocalDB) Rollback() {
+	l.resetTx()
+	err := l.api.LocalRollback(l.txid)
+	if err != nil {
+		panic(err)
+	}
 }
 
-func (l *LocalDB) get(key []byte) ([]byte, error) {
+//Get 获取key
+func (l *LocalDB) Get(key []byte) ([]byte, error) {
 	skey := string(key)
 	if l.intx && l.txcache != nil {
 		if value, ok := l.txcache[skey]; ok {
@@ -35,34 +110,31 @@ func (l *LocalDB) get(key []byte) ([]byte, error) {
 		}
 	}
 	if value, ok := l.cache[skey]; ok {
-		return value, nil
-	}
-	if l.client == nil {
+		if value == nil {
 			return nil, types.ErrNotFound
 		}
-	query := &types.LocalDBGet{Keys: [][]byte{key}}
-	msg := l.client.NewMessage("blockchain", types.EventLocalGet, query)
-	l.client.Send(msg, true)
-	resp, err := l.client.Wait(msg)
-
+		return value, nil
+	}
+	query := &types.LocalDBGet{Txid: l.txid.Data, Keys: [][]byte{key}}
+	resp, err := l.api.LocalGet(query)
 	if err != nil {
 		panic(err) //no happen for ever
 	}
-	if nil == resp.GetData().(*types.LocalReplyValue).Values {
+	if nil == resp.Values {
+		l.cache[string(key)] = nil
 		return nil, types.ErrNotFound
 	}
-	value := resp.GetData().(*types.LocalReplyValue).Values[0]
+	value := resp.Values[0]
 	if value == nil {
-		//panic(string(key))
+		l.cache[string(key)] = nil
 		return nil, types.ErrNotFound
 	}
 	l.cache[string(key)] = value
 	return value, nil
 }
 
-// Set set key value to local db
+//Set 获取key
 func (l *LocalDB) Set(key []byte, value []byte) error {
-	debugAccount("==lset==", key, value)
 	skey := string(key)
 	if l.intx {
 		if l.txcache == nil {
@@ -73,22 +145,22 @@ func (l *LocalDB) Set(key []byte, value []byte) error {
 	} else {
 		setmap(l.cache, skey, value)
 	}
+	l.kvs = append(l.kvs, &types.KeyValue{Key: key, Value: value})
 	return nil
 }
 
-// List 从数据库中查询数据列表，set 中的cache 更新不会影响这个list
+// List 从数据库中查询数据列表
 func (l *LocalDB) List(prefix, key []byte, count, direction int32) ([][]byte, error) {
-	if l.client == nil {
-		return nil, types.ErrNotFound
+	err := l.save()
+	if err != nil {
+		return nil, err
 	}
-	query := &types.LocalDBList{Prefix: prefix, Key: key, Count: count, Direction: direction}
-	msg := l.client.NewMessage("blockchain", types.EventLocalList, query)
-	l.client.Send(msg, true)
-	resp, err := l.client.Wait(msg)
+	query := &types.LocalDBList{Txid: l.txid.Data, Prefix: prefix, Key: key, Count: count, Direction: direction}
+	resp, err := l.api.LocalList(query)
 	if err != nil {
 		panic(err) //no happen for ever
 	}
-	values := resp.GetData().(*types.LocalReplyValue).Values
+	values := resp.Values
 	if values == nil {
 		//panic(string(key))
 		return nil, types.ErrNotFound
@@ -98,43 +170,5 @@ func (l *LocalDB) List(prefix, key []byte, count, direction int32) ([][]byte, er
 
 // PrefixCount 从数据库中查询指定前缀的key的数量
 func (l *LocalDB) PrefixCount(prefix []byte) (count int64) {
-	if l.client == nil {
-		return 0
-	}
-	query := &types.ReqKey{Key: prefix}
-	msg := l.client.NewMessage("blockchain", types.EventLocalPrefixCount, query)
-	l.client.Send(msg, true)
-	resp, err := l.client.Wait(msg)
-	if err != nil {
-		panic(err) //no happen for ever
-	}
-	count = resp.GetData().(*types.Int64).Data
-	return
-}
-
-//Begin 开启内存事务处理
-func (l *LocalDB) Begin() {
-	l.intx = true
-	l.keys = nil
-	l.txcache = nil
-}
-
-// Rollback reset tx
-func (l *LocalDB) Rollback() {
-	l.resetTx()
-}
-
-// Commit canche tx
-func (l *LocalDB) Commit() error {
-	for k, v := range l.txcache {
-		l.cache[k] = v
-	}
-	l.resetTx()
-	return nil
-}
-
-func (l *LocalDB) resetTx() {
-	l.intx = false
-	l.txcache = nil
-	l.keys = nil
+	panic("localdb not support PrefixCount")
 }

vendor/github.com/33cn/chain33/executor/localdb_test.go

+package executor_test
+
+import (
+	"testing"
+
+	dbm "github.com/33cn/chain33/common/db"
+	"github.com/33cn/chain33/executor"
+	"github.com/33cn/chain33/types"
+	"github.com/33cn/chain33/util/testnode"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLocalDBGet(t *testing.T) {
+	mock33 := testnode.New("", nil)
+	defer mock33.Close()
+	db := executor.NewLocalDB(mock33.GetClient())
+	defer db.(*executor.LocalDB).Close()
+	testDBGet(t, db)
+}
+
+func BenchmarkLocalDBGet(b *testing.B) {
+	mock33 := testnode.New("", nil)
+	defer mock33.Close()
+	db := executor.NewLocalDB(mock33.GetClient())
+	defer db.(*executor.LocalDB).Close()
+
+	err := db.Set([]byte("k1"), []byte("v1"))
+	assert.Nil(b, err)
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		v, err := db.Get([]byte("k1"))
+		assert.Nil(b, err)
+		assert.Equal(b, v, []byte("v1"))
+	}
+}
+
+func TestLocalDBTxGet(t *testing.T) {
+	mock33 := testnode.New("", nil)
+	defer mock33.Close()
+	db := executor.NewLocalDB(mock33.GetClient())
+	testTxGet(t, db)
+}
+
+func testDBGet(t *testing.T, db dbm.KV) {
+	err := db.Set([]byte("k1"), []byte("v1"))
+	assert.Nil(t, err)
+	v, err := db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v1"))
+
+	err = db.Set([]byte("k1"), []byte("v11"))
+	assert.Nil(t, err)
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v11"))
+}
+
+func testTxGet(t *testing.T, db dbm.KV) {
+	//新版本
+	db.Begin()
+	err := db.Set([]byte("k1"), []byte("v1"))
+	assert.Nil(t, err)
+	v, err := db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v1"))
+
+	db.Commit()
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v1"))
+
+	//在非transaction中set，直接set成功，不能rollback
+	err = db.Set([]byte("k1"), []byte("v11"))
+	assert.Nil(t, err)
+
+	db.Begin()
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v11"))
+
+	err = db.Set([]byte("k1"), []byte("v12"))
+	assert.Nil(t, err)
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v12"))
+
+	db.Rollback()
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v11"))
+}
+
+func TestLocalDB(t *testing.T) {
+	mock33 := testnode.New("", nil)
+	defer mock33.Close()
+	db := executor.NewLocalDB(mock33.GetClient())
+	defer db.(*executor.LocalDB).Close()
+	err := db.Set([]byte("k1"), []byte("v1"))
+	assert.Nil(t, err)
+	v, err := db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v1"))
+
+	err = db.Set([]byte("k1"), []byte("v11"))
+	assert.Nil(t, err)
+	v, err = db.Get([]byte("k1"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v11"))
+
+	//beigin and rollback not imp
+	db.Begin()
+	err = db.Set([]byte("k2"), []byte("v2"))
+	assert.Nil(t, err)
+	db.Rollback()
+	_, err = db.Get([]byte("k2"))
+	assert.Equal(t, err, types.ErrNotFound)
+	err = db.Set([]byte("k2"), []byte("v2"))
+	assert.Nil(t, err)
+	//get
+	v, err = db.Get([]byte("k2"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v2"))
+	//list
+	values, err := db.List([]byte("k"), nil, 0, 0)
+	assert.Nil(t, err)
+	assert.Equal(t, len(values), 2)
+	assert.Equal(t, string(values[0]), "v2")
+	assert.Equal(t, string(values[1]), "v11")
+	err = db.Commit()
+	assert.Nil(t, err)
+	//get
+	v, err = db.Get([]byte("k2"))
+	assert.Nil(t, err)
+	assert.Equal(t, v, []byte("v2"))
+	//list
+	values, err = db.List([]byte("k"), nil, 0, 0)
+	assert.Nil(t, err)
+	assert.Equal(t, len(values), 2)
+	assert.Equal(t, string(values[0]), "v2")
+	assert.Equal(t, string(values[1]), "v11")
+}

vendor/github.com/33cn/chain33/system/dapp/commands/wallet.go

@@ -258,7 +258,10 @@ func autoMine(cmd *cobra.Command, args []string) {
 	rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
 	flag, _ := cmd.Flags().GetInt32("flag")
 	if flag != 0 && flag != 1 {
-		cmd.UsageFunc()(cmd)
+		err := cmd.UsageFunc()(cmd)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+		}
 		return
 	}
 	params := struct {

vendor/github.com/33cn/chain33/system/dapp/driver.go

@@ -29,6 +29,9 @@ const (
 	TxIndexFrom = 1
 	// TxIndexTo transaction index to
 	TxIndexTo = 2
+
+	//ExecLocalSameTime Exec 的时候 同时执行 ExecLocal
+	ExecLocalSameTime = int64(1)
 )
 
 // Driver defines some interface
@@ -69,6 +72,7 @@ type Driver interface {
 	GetFuncMap() map[string]reflect.Method
 	GetExecutorType() types.ExecutorType
 	CheckReceiptExecOk() bool
+	ExecutorOrder() int64
 }
 
 // DriverBase defines driverbase type
@@ -106,6 +110,12 @@ func (d *DriverBase) GetExecutorType() types.ExecutorType {
 	return d.ety
 }
 
+//ExecutorOrder 执行顺序, 如果要使用 ExecLocalSameTime
+//那么会同时执行 ExecLocal
+func (d *DriverBase) ExecutorOrder() int64 {
+	return 0
+}
+
 //GetLastHash 获取最后区块的hash，主链和平行链不同
 func (d *DriverBase) GetLastHash() []byte {
 	if types.IsPara() {

vendor/github.com/33cn/chain33/types/event.go

@@ -144,6 +144,8 @@ const (
 	EventLocalBegin    = 135
 	EventLocalCommit   = 136
 	EventLocalRollback = 137
+	EventLocalNew      = 138
+	EventLocalClose    = 139
 	//exec
 	EventBlockChainQuery = 212
 	EventConsensusQuery  = 213
@@ -281,6 +283,11 @@ var eventName = map[int]string{
 	// Token
 	EventBlockChainQuery: "EventBlockChainQuery",
 	EventConsensusQuery:  "EventConsensusQuery",
-
 	EventGetBlockBySeq:   "EventGetBlockBySeq",
+
+	EventLocalBegin:    "EventLocalBegin",
+	EventLocalCommit:   "EventLocalCommit",
+	EventLocalRollback: "EventLocalRollback",
+	EventLocalNew:      "EventLocalNew",
+	EventLocalClose:    "EventLocalClose",
 }

vendor/github.com/33cn/chain33/types/fork.go

@@ -150,9 +150,13 @@ func (f *Forks) CloneZero(from, to string) error {
 }
 
 // CloneMaxHeight fork信息拷贝并设置所有fork高度MaxHeight
-func (f *Forks) CloneMaxHeight(from, to string) {
-	f.Clone(from, to)
+func (f *Forks) CloneMaxHeight(from, to string) error {
+	err := f.Clone(from, to)
+	if err != nil {
+		return err
+	}
 	f.SetAllFork(to, MaxHeight)
+	return nil
 }
 
 // SetAllFork 设置所有fork的高度
@@ -219,7 +223,10 @@ func setLocalFork() {
 
 //paraName not used currently
 func setForkForPara(paraName string) {
-	systemFork.CloneZero("chain33", paraName)
+	err := systemFork.CloneZero("chain33", paraName)
+	if err != nil {
+		tlog.Error("setForkForPara", "error", err)
+	}
 	systemFork.ReplaceFork(paraName, "ForkBlockHash", 1)
 }
 

vendor/github.com/33cn/chain33/types/tx.go

@@ -30,12 +30,21 @@ func CreateTxGroup(txs []*Transaction) (*Transactions, error) {
 	}
 	txgroup := &Transactions{}
 	txgroup.Txs = txs
-	var header []byte
 	totalfee := int64(0)
 	minfee := int64(0)
+	header := txs[0].Hash()
 	for i := len(txs) - 1; i >= 0; i-- {
 		txs[i].GroupCount = int32(len(txs))
 		totalfee += txs[i].GetFee()
+		// Header和Fee设置是为了GetRealFee里面Size的计算，Fee是否为0和不同大小，size也是有差别的，header是否为空差别是common.Sha256Len+2
+		// 这里直接设置Header兼容性更好， Next不需要，已经设置过了，唯一不同的是，txs[0].fee会跟实际计算有差别，这里设置一个超大值只做计算
+		txs[i].Header = header
+		if i == 0 {
+			//对txs[0].fee设置一个超大值，大于后面实际计算出的fee，也就>=check时候计算出的fee， 对size影响10个字节，在1000临界值时候有差别
+			txs[i].Fee = 1 << 62
+		} else {
+			txs[i].Fee = 0
+		}
 		realfee, err := txs[i].GetRealFee(GInt("MinFee"))
 		if err != nil {
 			return nil, err
@@ -46,7 +55,7 @@ func CreateTxGroup(txs []*Transaction) (*Transactions, error) {
 				totalfee = minfee
 			}
 			txs[0].Fee = totalfee
-			header = txs[i].Hash()
+			header = txs[0].Hash()
 		} else {
 			txs[i].Fee = 0
 			txs[i-1].Next = txs[i].Hash()

vendor/github.com/33cn/chain33/types/tx_test.go

@@ -47,6 +47,52 @@ func TestCreateGroupTx(t *testing.T) {
 	t.Log(grouptx)
 }
 
+func TestCreateGroupTxWithSize(t *testing.T) {
+	tx1 := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630f1cdebc8f7efa5e9283a22313271796f6361794e46374c7636433971573461767873324537553431664b536676"
+	tx2 := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630de92c3828ad194b26d3a22313271796f6361794e46374c7636433971573461767873324537553431664b536676"
+	tx3 := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630b0d6c895c4d28efe5d3a22313271796f6361794e46374c7636433971573461767873324537553431664b536676"
+	tx11, _ := hex.DecodeString(tx1)
+	tx21, _ := hex.DecodeString(tx2)
+	tx31, _ := hex.DecodeString(tx3)
+
+	len150str := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630f1cdebc8f7efa5e9283a22313271796f6361794e46374c7636433971573461767873324537553431664b5366761122"
+	len130str := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630f1cdebc8f7efa5e9283a22313271796f6361794e46374c76364339715734617678733245375"
+	len105str := "0a05636f696e73120e18010a0a1080c2d72f1a036f746520a08d0630f1cdebc8f7efa5e9283a22313271796f6361794e46374c7633"
+
+	var tx12 Transaction
+	Decode(tx11, &tx12)
+	tx12.Fee = 1
+	//构造临界size， fee=1,构建时候计算出size是998， 构建之前fee是100000，构建之后tx[0].fee=200000，原代码会出错
+	extSize := []byte(len150str + len150str + len150str + len105str)
+	tx12.Payload = append(tx12.Payload, extSize...)
+
+	var tx22 Transaction
+	Decode(tx21, &tx22)
+	//构造临界size， 有没有header的场景
+	extSize = []byte(len150str + len150str + len150str + len130str)
+	tx22.Payload = append(tx22.Payload, extSize...)
+	var tx32 Transaction
+	Decode(tx31, &tx32)
+
+	group, err := CreateTxGroup([]*Transaction{&tx12, &tx22, &tx32})
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	err = group.Check(0, GInt("MinFee"))
+	if err != nil {
+		for i := 0; i < len(group.Txs); i++ {
+			t.Log(group.Txs[i].JSON())
+		}
+		t.Error(err)
+		return
+	}
+	newtx := group.Tx()
+	grouptx := hex.EncodeToString(Encode(newtx))
+	t.Log(grouptx)
+}
+
 func TestDecodeTx(t *testing.T) {
 	signtx := "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"
 	var tx Transaction

vendor/github.com/33cn/chain33/util/healthcheck.go

@@ -39,6 +39,9 @@ func (s *HealthCheckServer) Close() {
 
 // NewHealthCheckServer new json rpcserver object
 func NewHealthCheckServer(c queue.Client) *HealthCheckServer {
+	if c == nil {
+		return nil
+	}
 	h := &HealthCheckServer{}
 	h.api, _ = client.New(c, nil)
 	h.quit = make(chan struct{})

vendor/github.com/33cn/chain33/util/healthcheck_test.go

@@ -44,6 +44,8 @@ func TestGetHealth(t *testing.T) {
 	peerlist := &types.PeerList{Peers: []*types.Peer{peer2}}
 	api.On("PeerInfo").Return(peerlist, nil).Once()
 
+	healthNil := NewHealthCheckServer(nil)
+	assert.Nil(t, healthNil)
 	q := queue.New("channel")
 	health := NewHealthCheckServer(q.Client())
 	health.api = api

vendor/github.com/33cn/chain33/util/util.go

@@ -390,8 +390,6 @@ func ExecAndCheckBlockCB(qclient queue.Client, block *types.Block, txs []*types.
 			if err := cb(i, detail.Receipts[index]); err != nil {
 				return nil, err
 			}
-		} else {
-			panic("never happen")
 		}
 	}
 	return detail.Block, nil