hermez-node/coordinator/txmanager.go
coordinator/txmanager.goRaw
1package coordinator
2
3import (
4 "context"
5 "errors"
6 "fmt"
7 "math/big"
8 "time"
9
10 "github.com/ethereum/go-ethereum"
11 "github.com/ethereum/go-ethereum/accounts"
12 "github.com/ethereum/go-ethereum/accounts/abi/bind"
13 "github.com/ethereum/go-ethereum/core"
14 "github.com/ethereum/go-ethereum/core/types"
15 "github.com/hermeznetwork/hermez-node/common"
16 "github.com/hermeznetwork/hermez-node/db/l2db"
17 "github.com/hermeznetwork/hermez-node/eth"
18 "github.com/hermeznetwork/hermez-node/log"
19 "github.com/hermeznetwork/hermez-node/synchronizer"
20 "github.com/hermeznetwork/tracerr"
21)
22
23// TxManager handles everything related to ethereum transactions: It makes the
24// call to forge, waits for transaction confirmation, and keeps checking them
25// until a number of confirmed blocks have passed.
26type TxManager struct {
27 cfg Config
28 ethClient eth.ClientInterface
29 l2DB *l2db.L2DB // Used only to mark forged txs as forged in the L2DB
30 coord *Coordinator // Used only to send messages to stop the pipeline
31 batchCh chan *BatchInfo
32 chainID *big.Int
33 account accounts.Account
34 consts synchronizer.SCConsts
35
36 stats synchronizer.Stats
37 vars synchronizer.SCVariables
38 statsVarsCh chan statsVars
39
40 discardPipelineCh chan int // int refers to the pipelineNum
41
42 minPipelineNum int
43 queue Queue
44 // lastSuccessBatch stores the last BatchNum that who's forge call was confirmed
45 lastSuccessBatch common.BatchNum
46 // lastPendingBatch common.BatchNum
47 // accNonce is the account nonce in the last mined block (due to mined txs)
48 accNonce uint64
49 // accNextNonce is the nonce that we should use to send the next tx.
50 // In some cases this will be a reused nonce of an already pending tx.
51 accNextNonce uint64
52
53 lastSentL1BatchBlockNum int64
54}
55
56// NewTxManager creates a new TxManager
57func NewTxManager(ctx context.Context, cfg *Config, ethClient eth.ClientInterface, l2DB *l2db.L2DB,
58 coord *Coordinator, scConsts *synchronizer.SCConsts, initSCVars *synchronizer.SCVariables) (*TxManager, error) {
59 chainID, err := ethClient.EthChainID()
60 if err != nil {
61 return nil, tracerr.Wrap(err)
62 }
63 address, err := ethClient.EthAddress()
64 if err != nil {
65 return nil, tracerr.Wrap(err)
66 }
67 accNonce, err := ethClient.EthNonceAt(ctx, *address, nil)
68 if err != nil {
69 return nil, err
70 }
71 log.Infow("TxManager started", "nonce", accNonce)
72 return &TxManager{
73 cfg: *cfg,
74 ethClient: ethClient,
75 l2DB: l2DB,
76 coord: coord,
77 batchCh: make(chan *BatchInfo, queueLen),
78 statsVarsCh: make(chan statsVars, queueLen),
79 discardPipelineCh: make(chan int, queueLen),
80 account: accounts.Account{
81 Address: *address,
82 },
83 chainID: chainID,
84 consts: *scConsts,
85
86 vars: *initSCVars,
87
88 minPipelineNum: 0,
89 queue: NewQueue(),
90 accNonce: accNonce,
91 accNextNonce: accNonce,
92 }, nil
93}
94
95// AddBatch is a thread safe method to pass a new batch TxManager to be sent to
96// the smart contract via the forge call
97func (t *TxManager) AddBatch(ctx context.Context, batchInfo *BatchInfo) {
98 select {
99 case t.batchCh <- batchInfo:
100 case <-ctx.Done():
101 }
102}
103
104// SetSyncStatsVars is a thread safe method to sets the synchronizer Stats
105func (t *TxManager) SetSyncStatsVars(ctx context.Context, stats *synchronizer.Stats, vars *synchronizer.SCVariablesPtr) {
106 select {
107 case t.statsVarsCh <- statsVars{Stats: *stats, Vars: *vars}:
108 case <-ctx.Done():
109 }
110}
111
112// DiscardPipeline is a thread safe method to notify about a discarded pipeline
113// due to a reorg
114func (t *TxManager) DiscardPipeline(ctx context.Context, pipelineNum int) {
115 select {
116 case t.discardPipelineCh <- pipelineNum:
117 case <-ctx.Done():
118 }
119}
120
121func (t *TxManager) syncSCVars(vars synchronizer.SCVariablesPtr) {
122 updateSCVars(&t.vars, vars)
123}
124
125// NewAuth generates a new auth object for an ethereum transaction
126func (t *TxManager) NewAuth(ctx context.Context) (*bind.TransactOpts, error) {
127 gasPrice, err := t.ethClient.EthSuggestGasPrice(ctx)
128 if err != nil {
129 return nil, tracerr.Wrap(err)
130 }
131 if t.cfg.GasPriceIncPerc != 0 {
132 inc := new(big.Int).Set(gasPrice)
133 inc.Mul(inc, new(big.Int).SetInt64(t.cfg.GasPriceIncPerc))
134 // nolint reason: to calculate percentages we use 100
135 inc.Div(inc, new(big.Int).SetUint64(100)) //nolint:gomnd
136 gasPrice.Add(gasPrice, inc)
137 }
138
139 // log.Debugw("TxManager: transaction metadata", "gasPrice", gasPrice)
140
141 auth, err := bind.NewKeyStoreTransactorWithChainID(t.ethClient.EthKeyStore(), t.account, t.chainID)
142 if err != nil {
143 return nil, tracerr.Wrap(err)
144 }
145 auth.Value = big.NewInt(0) // in wei
146 // TODO: Calculate GasLimit based on the contents of the ForgeBatchArgs
147 // This requires a function that estimates the gas usage of the
148 // forgeBatch call based on the contents of the ForgeBatch args:
149 // - length of l2txs
150 // - length of l1Usertxs
151 // - length of l1CoordTxs with authorization signature
152 // - length of l1CoordTxs without authoriation signature
153 // - etc.
154 auth.GasLimit = 1000000
155 auth.GasPrice = gasPrice
156 auth.Nonce = nil
157
158 return auth, nil
159}
160
161func (t *TxManager) shouldSendRollupForgeBatch(batchInfo *BatchInfo) error {
162 nextBlock := t.stats.Eth.LastBlock.Num + 1
163 if !t.canForgeAt(nextBlock) {
164 return tracerr.Wrap(fmt.Errorf("can't forge in the next block: %v", nextBlock))
165 }
166 if t.mustL1L2Batch(nextBlock) && !batchInfo.L1Batch {
167 return tracerr.Wrap(fmt.Errorf("can't forge non-L1Batch in the next block: %v", nextBlock))
168 }
169 margin := t.cfg.SendBatchBlocksMarginCheck
170 if margin != 0 {
171 if !t.canForgeAt(nextBlock + margin) {
172 return tracerr.Wrap(fmt.Errorf("can't forge after %v blocks: %v",
173 margin, nextBlock))
174 }
175 if t.mustL1L2Batch(nextBlock+margin) && !batchInfo.L1Batch {
176 return tracerr.Wrap(fmt.Errorf("can't forge non-L1Batch after %v blocks: %v",
177 margin, nextBlock))
178 }
179 }
180 return nil
181}
182
183func addPerc(v *big.Int, p int64) *big.Int {
184 r := new(big.Int).Set(v)
185 r.Mul(r, big.NewInt(p))
186 // nolint reason: to calculate percentages we divide by 100
187 r.Div(r, big.NewInt(100)) //nolit:gomnd
188 return r.Add(v, r)
189}
190
191func (t *TxManager) sendRollupForgeBatch(ctx context.Context, batchInfo *BatchInfo, resend bool) error {
192 var ethTx *types.Transaction
193 var err error
194 auth, err := t.NewAuth(ctx)
195 if err != nil {
196 return tracerr.Wrap(err)
197 }
198 auth.Nonce = big.NewInt(int64(t.accNextNonce))
199 if resend {
200 auth.Nonce = big.NewInt(int64(batchInfo.EthTx.Nonce()))
201 }
202 for attempt := 0; attempt < t.cfg.EthClientAttempts; attempt++ {
203 if auth.GasPrice.Cmp(t.cfg.MaxGasPrice) > 0 {
204 return tracerr.Wrap(fmt.Errorf("calculated gasPrice (%v) > maxGasPrice (%v)",
205 auth.GasPrice, t.cfg.MaxGasPrice))
206 }
207 // RollupForgeBatch() calls ethclient.SendTransaction()
208 ethTx, err = t.ethClient.RollupForgeBatch(batchInfo.ForgeBatchArgs, auth)
209 if errors.Is(err, core.ErrNonceTooLow) {
210 log.Warnw("TxManager ethClient.RollupForgeBatch incrementing nonce",
211 "err", err, "nonce", auth.Nonce, "batchNum", batchInfo.BatchNum)
212 auth.Nonce.Add(auth.Nonce, big.NewInt(1))
213 attempt--
214 } else if errors.Is(err, core.ErrNonceTooHigh) {
215 log.Warnw("TxManager ethClient.RollupForgeBatch decrementing nonce",
216 "err", err, "nonce", auth.Nonce, "batchNum", batchInfo.BatchNum)
217 auth.Nonce.Sub(auth.Nonce, big.NewInt(1))
218 attempt--
219 } else if errors.Is(err, core.ErrUnderpriced) {
220 log.Warnw("TxManager ethClient.RollupForgeBatch incrementing gasPrice",
221 "err", err, "gasPrice", auth.GasPrice, "batchNum", batchInfo.BatchNum)
222 auth.GasPrice = addPerc(auth.GasPrice, 10)
223 attempt--
224 } else if errors.Is(err, core.ErrReplaceUnderpriced) {
225 log.Warnw("TxManager ethClient.RollupForgeBatch incrementing gasPrice",
226 "err", err, "gasPrice", auth.GasPrice, "batchNum", batchInfo.BatchNum)
227 auth.GasPrice = addPerc(auth.GasPrice, 10)
228 attempt--
229 } else if err != nil {
230 log.Errorw("TxManager ethClient.RollupForgeBatch",
231 "attempt", attempt, "err", err, "block", t.stats.Eth.LastBlock.Num+1,
232 "batchNum", batchInfo.BatchNum)
233 } else {
234 break
235 }
236 select {
237 case <-ctx.Done():
238 return tracerr.Wrap(common.ErrDone)
239 case <-time.After(t.cfg.EthClientAttemptsDelay):
240 }
241 }
242 if err != nil {
243 return tracerr.Wrap(fmt.Errorf("reached max attempts for ethClient.RollupForgeBatch: %w", err))
244 }
245 if !resend {
246 t.accNextNonce = auth.Nonce.Uint64() + 1
247 }
248 batchInfo.EthTx = ethTx
249 log.Infow("TxManager ethClient.RollupForgeBatch", "batch", batchInfo.BatchNum, "tx", ethTx.Hash())
250 now := time.Now()
251 batchInfo.SendTimestamp = now
252
253 if resend {
254 batchInfo.Debug.ResendNum++
255 }
256 batchInfo.Debug.Status = StatusSent
257 batchInfo.Debug.SendBlockNum = t.stats.Eth.LastBlock.Num + 1
258 batchInfo.Debug.SendTimestamp = batchInfo.SendTimestamp
259 batchInfo.Debug.StartToSendDelay = batchInfo.Debug.SendTimestamp.Sub(
260 batchInfo.Debug.StartTimestamp).Seconds()
261 t.cfg.debugBatchStore(batchInfo)
262
263 if !resend {
264 if batchInfo.L1Batch {
265 t.lastSentL1BatchBlockNum = t.stats.Eth.LastBlock.Num + 1
266 }
267 }
268 if err := t.l2DB.DoneForging(common.TxIDsFromL2Txs(batchInfo.L2Txs), batchInfo.BatchNum); err != nil {
269 return tracerr.Wrap(err)
270 }
271 return nil
272}
273
274// checkEthTransactionReceipt takes the txHash from the BatchInfo and stores
275// the corresponding receipt if found
276func (t *TxManager) checkEthTransactionReceipt(ctx context.Context, batchInfo *BatchInfo) error {
277 txHash := batchInfo.EthTx.Hash()
278 var receipt *types.Receipt
279 var err error
280 for attempt := 0; attempt < t.cfg.EthClientAttempts; attempt++ {
281 receipt, err = t.ethClient.EthTransactionReceipt(ctx, txHash)
282 if ctx.Err() != nil {
283 continue
284 } else if tracerr.Unwrap(err) == ethereum.NotFound {
285 err = nil
286 break
287 } else if err != nil {
288 log.Errorw("TxManager ethClient.EthTransactionReceipt",
289 "attempt", attempt, "err", err)
290 } else {
291 break
292 }
293 select {
294 case <-ctx.Done():
295 return tracerr.Wrap(common.ErrDone)
296 case <-time.After(t.cfg.EthClientAttemptsDelay):
297 }
298 }
299 if err != nil {
300 return tracerr.Wrap(fmt.Errorf("reached max attempts for ethClient.EthTransactionReceipt: %w", err))
301 }
302 batchInfo.Receipt = receipt
303 t.cfg.debugBatchStore(batchInfo)
304 return nil
305}
306
307func (t *TxManager) handleReceipt(ctx context.Context, batchInfo *BatchInfo) (*int64, error) {
308 receipt := batchInfo.Receipt
309 if receipt != nil {
310 if batchInfo.EthTx.Nonce()+1 > t.accNonce {
311 t.accNonce = batchInfo.EthTx.Nonce() + 1
312 }
313 if receipt.Status == types.ReceiptStatusFailed {
314 batchInfo.Debug.Status = StatusFailed
315 _, err := t.ethClient.EthCall(ctx, batchInfo.EthTx, receipt.BlockNumber)
316 log.Warnw("TxManager receipt status is failed", "tx", receipt.TxHash,
317 "batch", batchInfo.BatchNum, "block", receipt.BlockNumber.Int64(),
318 "err", err)
319 batchInfo.EthTxErr = err
320 if batchInfo.BatchNum <= t.lastSuccessBatch {
321 t.lastSuccessBatch = batchInfo.BatchNum - 1
322 }
323 t.cfg.debugBatchStore(batchInfo)
324 return nil, tracerr.Wrap(fmt.Errorf(
325 "ethereum transaction receipt status is failed: %w", err))
326 } else if receipt.Status == types.ReceiptStatusSuccessful {
327 batchInfo.Debug.Status = StatusMined
328 batchInfo.Debug.MineBlockNum = receipt.BlockNumber.Int64()
329 batchInfo.Debug.StartToMineBlocksDelay = batchInfo.Debug.MineBlockNum -
330 batchInfo.Debug.StartBlockNum
331 if batchInfo.Debug.StartToMineDelay == 0 {
332 if block, err := t.ethClient.EthBlockByNumber(ctx,
333 receipt.BlockNumber.Int64()); err != nil {
334 log.Warnw("TxManager: ethClient.EthBlockByNumber", "err", err)
335 } else {
336 batchInfo.Debug.SendToMineDelay = block.Timestamp.Sub(
337 batchInfo.Debug.SendTimestamp).Seconds()
338 batchInfo.Debug.StartToMineDelay = block.Timestamp.Sub(
339 batchInfo.Debug.StartTimestamp).Seconds()
340 }
341 }
342 t.cfg.debugBatchStore(batchInfo)
343 if batchInfo.BatchNum > t.lastSuccessBatch {
344 t.lastSuccessBatch = batchInfo.BatchNum
345 }
346 confirm := t.stats.Eth.LastBlock.Num - receipt.BlockNumber.Int64()
347 return &confirm, nil
348 }
349 }
350 return nil, nil
351}
352
353// TODO:
354// - After sending a message: CancelPipeline, stop all consecutive pending Batches (transactions)
355
356// Queue of BatchInfos
357type Queue struct {
358 list []*BatchInfo
359 // nonceByBatchNum map[common.BatchNum]uint64
360 next int
361}
362
363// NewQueue returns a new queue
364func NewQueue() Queue {
365 return Queue{
366 list: make([]*BatchInfo, 0),
367 // nonceByBatchNum: make(map[common.BatchNum]uint64),
368 next: 0,
369 }
370}
371
372// Len is the length of the queue
373func (q *Queue) Len() int {
374 return len(q.list)
375}
376
377// At returns the BatchInfo at position (or nil if position is out of bounds)
378func (q *Queue) At(position int) *BatchInfo {
379 if position >= len(q.list) {
380 return nil
381 }
382 return q.list[position]
383}
384
385// Next returns the next BatchInfo (or nil if queue is empty)
386func (q *Queue) Next() (int, *BatchInfo) {
387 if len(q.list) == 0 {
388 return 0, nil
389 }
390 defer func() { q.next = (q.next + 1) % len(q.list) }()
391 return q.next, q.list[q.next]
392}
393
394// Remove removes the BatchInfo at position
395func (q *Queue) Remove(position int) {
396 // batchInfo := q.list[position]
397 // delete(q.nonceByBatchNum, batchInfo.BatchNum)
398 q.list = append(q.list[:position], q.list[position+1:]...)
399 if len(q.list) == 0 {
400 q.next = 0
401 } else {
402 q.next = position % len(q.list)
403 }
404}
405
406// Push adds a new BatchInfo
407func (q *Queue) Push(batchInfo *BatchInfo) {
408 q.list = append(q.list, batchInfo)
409 // q.nonceByBatchNum[batchInfo.BatchNum] = batchInfo.EthTx.Nonce()
410}
411
412// func (q *Queue) NonceByBatchNum(batchNum common.BatchNum) (uint64, bool) {
413// nonce, ok := q.nonceByBatchNum[batchNum]
414// return nonce, ok
415// }
416
417// Run the TxManager
418func (t *TxManager) Run(ctx context.Context) {
419 waitCh := time.After(longWaitDuration)
420
421 var statsVars statsVars
422 select {
423 case statsVars = <-t.statsVarsCh:
424 case <-ctx.Done():
425 }
426 t.stats = statsVars.Stats
427 t.syncSCVars(statsVars.Vars)
428 log.Infow("TxManager: received initial statsVars",
429 "block", t.stats.Eth.LastBlock.Num, "batch", t.stats.Eth.LastBatchNum)
430
431 for {
432 select {
433 case <-ctx.Done():
434 log.Info("TxManager done")
435 return
436 case statsVars := <-t.statsVarsCh:
437 t.stats = statsVars.Stats
438 t.syncSCVars(statsVars.Vars)
439 case pipelineNum := <-t.discardPipelineCh:
440 t.minPipelineNum = pipelineNum + 1
441 if err := t.removeBadBatchInfos(ctx); ctx.Err() != nil {
442 continue
443 } else if err != nil {
444 log.Errorw("TxManager: removeBadBatchInfos", "err", err)
445 continue
446 }
447 case batchInfo := <-t.batchCh:
448 if batchInfo.PipelineNum < t.minPipelineNum {
449 log.Warnw("TxManager: batchInfo received pipelineNum < minPipelineNum",
450 "num", batchInfo.PipelineNum, "minNum", t.minPipelineNum)
451 }
452 if err := t.shouldSendRollupForgeBatch(batchInfo); err != nil {
453 log.Warnw("TxManager: shouldSend", "err", err,
454 "batch", batchInfo.BatchNum)
455 t.coord.SendMsg(ctx, MsgStopPipeline{
456 Reason: fmt.Sprintf("forgeBatch shouldSend: %v", err)})
457 continue
458 }
459 if err := t.sendRollupForgeBatch(ctx, batchInfo, false); ctx.Err() != nil {
460 continue
461 } else if err != nil {
462 // If we reach here it's because our ethNode has
463 // been unable to send the transaction to
464 // ethereum. This could be due to the ethNode
465 // failure, or an invalid transaction (that
466 // can't be mined)
467 log.Warnw("TxManager: forgeBatch send failed", "err", err,
468 "batch", batchInfo.BatchNum)
469 t.coord.SendMsg(ctx, MsgStopPipeline{
470 Reason: fmt.Sprintf("forgeBatch send: %v", err)})
471 continue
472 }
473 t.queue.Push(batchInfo)
474 waitCh = time.After(t.cfg.TxManagerCheckInterval)
475 case <-waitCh:
476 queuePosition, batchInfo := t.queue.Next()
477 if batchInfo == nil {
478 waitCh = time.After(longWaitDuration)
479 continue
480 }
481 if err := t.checkEthTransactionReceipt(ctx, batchInfo); ctx.Err() != nil {
482 continue
483 } else if err != nil { //nolint:staticcheck
484 // Our ethNode is giving an error different
485 // than "not found" when getting the receipt
486 // for the transaction, so we can't figure out
487 // if it was not mined, mined and succesfull or
488 // mined and failed. This could be due to the
489 // ethNode failure.
490 t.coord.SendMsg(ctx, MsgStopPipeline{
491 Reason: fmt.Sprintf("forgeBatch receipt: %v", err)})
492 }
493
494 confirm, err := t.handleReceipt(ctx, batchInfo)
495 if ctx.Err() != nil {
496 continue
497 } else if err != nil { //nolint:staticcheck
498 // Transaction was rejected
499 if err := t.removeBadBatchInfos(ctx); ctx.Err() != nil {
500 continue
501 } else if err != nil {
502 log.Errorw("TxManager: removeBadBatchInfos", "err", err)
503 continue
504 }
505 t.coord.SendMsg(ctx, MsgStopPipeline{
506 Reason: fmt.Sprintf("forgeBatch reject: %v", err)})
507 continue
508 }
509 now := time.Now()
510 if !t.cfg.EthNoReuseNonce && confirm == nil &&
511 now.Sub(batchInfo.SendTimestamp) > t.cfg.EthTxResendTimeout {
512 log.Infow("TxManager: forgeBatch tx not been mined timeout, resending",
513 "tx", batchInfo.EthTx.Hash(), "batch", batchInfo.BatchNum)
514 if err := t.sendRollupForgeBatch(ctx, batchInfo, true); ctx.Err() != nil {
515 continue
516 } else if err != nil {
517 // If we reach here it's because our ethNode has
518 // been unable to send the transaction to
519 // ethereum. This could be due to the ethNode
520 // failure, or an invalid transaction (that
521 // can't be mined)
522 log.Warnw("TxManager: forgeBatch resend failed", "err", err,
523 "batch", batchInfo.BatchNum)
524 t.coord.SendMsg(ctx, MsgStopPipeline{
525 Reason: fmt.Sprintf("forgeBatch resend: %v", err)})
526 continue
527 }
528 }
529
530 if confirm != nil && *confirm >= t.cfg.ConfirmBlocks {
531 log.Debugw("TxManager: forgeBatch tx confirmed",
532 "tx", batchInfo.EthTx.Hash(), "batch", batchInfo.BatchNum)
533 t.queue.Remove(queuePosition)
534 }
535 }
536 }
537}
538
539func (t *TxManager) removeBadBatchInfos(ctx context.Context) error {
540 next := 0
541 for {
542 batchInfo := t.queue.At(next)
543 if batchInfo == nil {
544 break
545 }
546 if err := t.checkEthTransactionReceipt(ctx, batchInfo); ctx.Err() != nil {
547 return nil
548 } else if err != nil {
549 // Our ethNode is giving an error different
550 // than "not found" when getting the receipt
551 // for the transaction, so we can't figure out
552 // if it was not mined, mined and succesfull or
553 // mined and failed. This could be due to the
554 // ethNode failure.
555 next++
556 continue
557 }
558 confirm, err := t.handleReceipt(ctx, batchInfo)
559 if ctx.Err() != nil {
560 return nil
561 } else if err != nil {
562 // Transaction was rejected
563 if t.minPipelineNum <= batchInfo.PipelineNum {
564 t.minPipelineNum = batchInfo.PipelineNum + 1
565 }
566 t.queue.Remove(next)
567 continue
568 }
569 // If tx is pending but is from a cancelled pipeline, remove it
570 // from the queue
571 if confirm == nil {
572 if batchInfo.PipelineNum < t.minPipelineNum {
573 t.queue.Remove(next)
574 continue
575 }
576 }
577 next++
578 }
579 accNonce, err := t.ethClient.EthNonceAt(ctx, t.account.Address, nil)
580 if err != nil {
581 return err
582 }
583 if !t.cfg.EthNoReuseNonce {
584 t.accNextNonce = accNonce
585 }
586 return nil
587}
588
589func (t *TxManager) canForgeAt(blockNum int64) bool {
590 return canForge(&t.consts.Auction, &t.vars.Auction,
591 &t.stats.Sync.Auction.CurrentSlot, &t.stats.Sync.Auction.NextSlot,
592 t.cfg.ForgerAddress, blockNum)
593}
594
595func (t *TxManager) mustL1L2Batch(blockNum int64) bool {
596 lastL1BatchBlockNum := t.lastSentL1BatchBlockNum
597 if t.stats.Sync.LastL1BatchBlock > lastL1BatchBlockNum {
598 lastL1BatchBlockNum = t.stats.Sync.LastL1BatchBlock
599 }
600 return blockNum-lastL1BatchBlockNum >= t.vars.Rollup.ForgeL1L2BatchTimeout-1
601}