Update BatchBuilder & TxSelector to new StateDB

This commit is contained in:
arnaucube
2020-08-17 11:39:51 +02:00
parent 205db8e4d3
commit aa003063f6
7 changed files with 81 additions and 31 deletions

View File

@@ -23,8 +23,10 @@ var ErrAccountAlreadyExists = errors.New("Can not CreateAccount because Account
// KEYCURRENTBATCH is used as key in the db to store the current BatchNum
var KEYCURRENTBATCH = []byte("currentbatch")
// STATEDBPATH defines the subpath of the StateDB
const STATEDBPATH = "/statedb"
// PATHSTATEDB defines the subpath of the StateDB
const PATHSTATEDB = "/statedb"
const PATHBATCHNUM = "/BatchNum"
const PATHCURRENT = "/current"
// StateDB represents the StateDB object
type StateDB struct {
@@ -39,7 +41,7 @@ type StateDB struct {
func NewStateDB(path string, withMT bool, nLevels int) (*StateDB, error) {
var sto *pebble.PebbleStorage
var err error
sto, err = pebble.NewPebbleStorage(path+STATEDBPATH+"/current", false)
sto, err = pebble.NewPebbleStorage(path+PATHSTATEDB+PATHCURRENT, false)
if err != nil {
return nil, err
}
@@ -53,7 +55,7 @@ func NewStateDB(path string, withMT bool, nLevels int) (*StateDB, error) {
}
sdb := &StateDB{
path: path + STATEDBPATH,
path: path + PATHSTATEDB,
db: sto,
mt: mt,
}
@@ -100,14 +102,17 @@ func (s *StateDB) setCurrentBatch() error {
return nil
}
// CheckPointAt does a checkpoint at the given batchNum in the defined path
// MakeCheckpoint does a checkpoint at the given batchNum in the defined path. Internally this advances & stores the current BatchNum, and then stores a Checkpoint of the current state of the StateDB.
func (s *StateDB) MakeCheckpoint() error {
// advance currentBatch
s.currentBatch++
checkpointPath := s.path + "/BatchNum" + strconv.Itoa(int(s.currentBatch))
checkpointPath := s.path + PATHBATCHNUM + strconv.Itoa(int(s.currentBatch))
s.setCurrentBatch()
err := s.setCurrentBatch()
if err != nil {
return err
}
// if checkpoint BatchNum already exist in disk, delete it
if _, err := os.Stat(checkpointPath); !os.IsNotExist(err) {
@@ -118,7 +123,7 @@ func (s *StateDB) MakeCheckpoint() error {
}
// execute Checkpoint
err := s.db.Pebble().Checkpoint(checkpointPath)
err = s.db.Pebble().Checkpoint(checkpointPath)
if err != nil {
return err
}
@@ -128,7 +133,7 @@ func (s *StateDB) MakeCheckpoint() error {
// DeleteCheckpoint removes if exist the checkpoint of the given batchNum
func (s *StateDB) DeleteCheckpoint(batchNum uint64) error {
checkpointPath := s.path + "/BatchNum" + strconv.Itoa(int(batchNum))
checkpointPath := s.path + PATHBATCHNUM + strconv.Itoa(int(batchNum))
if _, err := os.Stat(checkpointPath); os.IsNotExist(err) {
return fmt.Errorf("Checkpoint with batchNum %d does not exist in DB", batchNum)
@@ -142,8 +147,8 @@ func (s *StateDB) DeleteCheckpoint(batchNum uint64) error {
// those checkpoints will remain in the storage, and eventually will be
// deleted when MakeCheckpoint overwrites them.
func (s *StateDB) Reset(batchNum uint64) error {
checkpointPath := s.path + "/BatchNum" + strconv.Itoa(int(batchNum))
currentPath := s.path + "/current"
checkpointPath := s.path + PATHBATCHNUM + strconv.Itoa(int(batchNum))
currentPath := s.path + PATHCURRENT
// remove 'current'
err := os.RemoveAll(currentPath)
@@ -311,9 +316,9 @@ func NewLocalStateDB(path string, synchronizerDB *StateDB, withMT bool, nLevels
// gets the state from LocalStateDB.synchronizerStateDB for the given batchNum. If fromSynchronizer is false, get the state from LocalStateDB checkpoints.
func (l *LocalStateDB) Reset(batchNum uint64, fromSynchronizer bool) error {
synchronizerCheckpointPath := l.synchronizerStateDB.path + "/BatchNum" + strconv.Itoa(int(batchNum))
checkpointPath := l.path + "/BatchNum" + strconv.Itoa(int(batchNum))
currentPath := l.path + "/current"
synchronizerCheckpointPath := l.synchronizerStateDB.path + PATHBATCHNUM + strconv.Itoa(int(batchNum))
checkpointPath := l.path + PATHBATCHNUM + strconv.Itoa(int(batchNum))
currentPath := l.path + PATHCURRENT
if fromSynchronizer {
// use checkpoint from SynchronizerStateDB

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@@ -251,9 +251,12 @@ func TestCheckpoints(t *testing.T) {
assert.Nil(t, err)
assert.Equal(t, uint64(5), cb)
// printCheckpoints(t, sdb.path)
// printCheckpoints(t, ldb.path)
// printCheckpoints(t, ldb2.path)
debug := false
if debug {
printCheckpoints(t, sdb.path)
printCheckpoints(t, ldb.path)
printCheckpoints(t, ldb2.path)
}
}
func printCheckpoints(t *testing.T, path string) {