hermez-node/synchronizer/synchronizer.go
synchronizer/synchronizer.goRaw
1package synchronizer
2
3import (
4 "context"
5 "database/sql"
6 "fmt"
7 "math/big"
8 "sync"
9 "time"
10
11 "github.com/ethereum/go-ethereum"
12 "github.com/hermeznetwork/hermez-node/common"
13 "github.com/hermeznetwork/hermez-node/db/historydb"
14 "github.com/hermeznetwork/hermez-node/db/statedb"
15 "github.com/hermeznetwork/hermez-node/eth"
16 "github.com/hermeznetwork/hermez-node/log"
17 "github.com/hermeznetwork/hermez-node/txprocessor"
18 "github.com/hermeznetwork/tracerr"
19)
20
21// Stats of the syncrhonizer
22type Stats struct {
23 Eth struct {
24 RefreshPeriod time.Duration
25 Updated time.Time
26 FirstBlockNum int64
27 LastBlock common.Block
28 LastBatch int64
29 }
30 Sync struct {
31 Updated time.Time
32 LastBlock common.Block
33 LastBatch int64
34 // LastL1BatchBlock is the last ethereum block in which an
35 // l1Batch was forged
36 LastL1BatchBlock int64
37 LastForgeL1TxsNum int64
38 Auction struct {
39 CurrentSlot common.Slot
40 NextSlot common.Slot
41 }
42 }
43}
44
45// Synced returns true if the Synchronizer is up to date with the last ethereum block
46func (s *Stats) Synced() bool {
47 return s.Eth.LastBlock.Num == s.Sync.LastBlock.Num
48}
49
50// TODO(Edu): Consider removing all the mutexes from StatsHolder, make
51// Synchronizer.Stats not thread-safe, don't pass the synchronizer to the
52// debugAPI, and have a copy of the Stats in the DebugAPI that the node passes
53// when the Sync updates.
54
55// StatsHolder stores stats and that allows reading and writing them
56// concurrently
57type StatsHolder struct {
58 Stats
59 rw sync.RWMutex
60}
61
62// NewStatsHolder creates a new StatsHolder
63func NewStatsHolder(firstBlockNum int64, refreshPeriod time.Duration) *StatsHolder {
64 stats := Stats{}
65 stats.Eth.RefreshPeriod = refreshPeriod
66 stats.Eth.FirstBlockNum = firstBlockNum
67 stats.Sync.LastForgeL1TxsNum = -1
68 return &StatsHolder{Stats: stats}
69}
70
71// UpdateCurrentNextSlot updates the auction stats
72func (s *StatsHolder) UpdateCurrentNextSlot(current *common.Slot, next *common.Slot) {
73 s.rw.Lock()
74 s.Sync.Auction.CurrentSlot = *current
75 s.Sync.Auction.NextSlot = *next
76 s.rw.Unlock()
77}
78
79// UpdateSync updates the synchronizer stats
80func (s *StatsHolder) UpdateSync(lastBlock *common.Block, lastBatch *common.BatchNum,
81 lastL1BatchBlock *int64, lastForgeL1TxsNum *int64) {
82 now := time.Now()
83 s.rw.Lock()
84 s.Sync.LastBlock = *lastBlock
85 if lastBatch != nil {
86 s.Sync.LastBatch = int64(*lastBatch)
87 }
88 if lastL1BatchBlock != nil {
89 s.Sync.LastL1BatchBlock = *lastL1BatchBlock
90 s.Sync.LastForgeL1TxsNum = *lastForgeL1TxsNum
91 }
92 s.Sync.Updated = now
93 s.rw.Unlock()
94}
95
96// UpdateEth updates the ethereum stats, only if the previous stats expired
97func (s *StatsHolder) UpdateEth(ethClient eth.ClientInterface) error {
98 now := time.Now()
99 s.rw.RLock()
100 elapsed := now.Sub(s.Eth.Updated)
101 s.rw.RUnlock()
102 if elapsed < s.Eth.RefreshPeriod {
103 return nil
104 }
105
106 lastBlock, err := ethClient.EthBlockByNumber(context.TODO(), -1)
107 if err != nil {
108 return tracerr.Wrap(err)
109 }
110 lastBatch, err := ethClient.RollupLastForgedBatch()
111 if err != nil {
112 return tracerr.Wrap(err)
113 }
114 s.rw.Lock()
115 s.Eth.Updated = now
116 s.Eth.LastBlock = *lastBlock
117 s.Eth.LastBatch = lastBatch
118 s.rw.Unlock()
119 return nil
120}
121
122// CopyStats returns a copy of the inner Stats
123func (s *StatsHolder) CopyStats() *Stats {
124 s.rw.RLock()
125 sCopy := s.Stats
126 if s.Sync.Auction.CurrentSlot.BidValue != nil {
127 sCopy.Sync.Auction.CurrentSlot.BidValue =
128 common.CopyBigInt(s.Sync.Auction.CurrentSlot.BidValue)
129 }
130 if s.Sync.Auction.CurrentSlot.DefaultSlotBid != nil {
131 sCopy.Sync.Auction.CurrentSlot.DefaultSlotBid =
132 common.CopyBigInt(s.Sync.Auction.CurrentSlot.DefaultSlotBid)
133 }
134 if s.Sync.Auction.NextSlot.BidValue != nil {
135 sCopy.Sync.Auction.NextSlot.BidValue =
136 common.CopyBigInt(s.Sync.Auction.NextSlot.BidValue)
137 }
138 if s.Sync.Auction.NextSlot.DefaultSlotBid != nil {
139 sCopy.Sync.Auction.NextSlot.DefaultSlotBid =
140 common.CopyBigInt(s.Sync.Auction.NextSlot.DefaultSlotBid)
141 }
142 s.rw.RUnlock()
143 return &sCopy
144}
145
146func (s *StatsHolder) blocksPerc() float64 {
147 syncLastBlockNum := s.Sync.LastBlock.Num
148 if s.Sync.LastBlock.Num == 0 {
149 syncLastBlockNum = s.Eth.FirstBlockNum - 1
150 }
151 return float64(syncLastBlockNum-(s.Eth.FirstBlockNum-1)) * 100.0 /
152 float64(s.Eth.LastBlock.Num-(s.Eth.FirstBlockNum-1))
153}
154
155func (s *StatsHolder) batchesPerc(batchNum int64) float64 {
156 return float64(batchNum) * 100.0 /
157 float64(s.Eth.LastBatch)
158}
159
160// StartBlockNums sets the first block used to start tracking the smart
161// contracts
162type StartBlockNums struct {
163 Rollup int64
164 Auction int64
165 WDelayer int64
166}
167
168// SCVariables joins all the smart contract variables in a single struct
169type SCVariables struct {
170 Rollup common.RollupVariables `validate:"required"`
171 Auction common.AuctionVariables `validate:"required"`
172 WDelayer common.WDelayerVariables `validate:"required"`
173}
174
175// SCVariablesPtr joins all the smart contract variables as pointers in a single
176// struct
177type SCVariablesPtr struct {
178 Rollup *common.RollupVariables `validate:"required"`
179 Auction *common.AuctionVariables `validate:"required"`
180 WDelayer *common.WDelayerVariables `validate:"required"`
181}
182
183// SCConsts joins all the smart contract constants in a single struct
184type SCConsts struct {
185 Rollup common.RollupConstants
186 Auction common.AuctionConstants
187 WDelayer common.WDelayerConstants
188}
189
190// Config is the Synchronizer configuration
191type Config struct {
192 StatsRefreshPeriod time.Duration
193 ChainID uint16
194}
195
196// Synchronizer implements the Synchronizer type
197type Synchronizer struct {
198 ethClient eth.ClientInterface
199 consts SCConsts
200 historyDB *historydb.HistoryDB
201 stateDB *statedb.StateDB
202 cfg Config
203 initVars SCVariables
204 startBlockNum int64
205 vars SCVariables
206 stats *StatsHolder
207}
208
209// NewSynchronizer creates a new Synchronizer
210func NewSynchronizer(ethClient eth.ClientInterface, historyDB *historydb.HistoryDB,
211 stateDB *statedb.StateDB, cfg Config) (*Synchronizer, error) {
212 auctionConstants, err := ethClient.AuctionConstants()
213 if err != nil {
214 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.AuctionConstants(): %w",
215 err))
216 }
217 rollupConstants, err := ethClient.RollupConstants()
218 if err != nil {
219 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.RollupConstants(): %w",
220 err))
221 }
222 wDelayerConstants, err := ethClient.WDelayerConstants()
223 if err != nil {
224 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.WDelayerConstants(): %w",
225 err))
226 }
227 consts := SCConsts{
228 Rollup: *rollupConstants,
229 Auction: *auctionConstants,
230 WDelayer: *wDelayerConstants,
231 }
232
233 initVars, startBlockNums, err := getInitialVariables(ethClient, &consts)
234 if err != nil {
235 return nil, tracerr.Wrap(err)
236 }
237 log.Infow("Synchronizer syncing from smart contract blocks",
238 "rollup", startBlockNums.Rollup,
239 "auction", startBlockNums.Auction,
240 "wdelayer", startBlockNums.WDelayer,
241 )
242 // Set startBlockNum to the minimum between Auction, Rollup and
243 // WDelayer StartBlockNum
244 startBlockNum := startBlockNums.Auction
245 if startBlockNums.Rollup < startBlockNum {
246 startBlockNum = startBlockNums.Rollup
247 }
248 if startBlockNums.WDelayer < startBlockNum {
249 startBlockNum = startBlockNums.WDelayer
250 }
251 stats := NewStatsHolder(startBlockNum, cfg.StatsRefreshPeriod)
252 s := &Synchronizer{
253 ethClient: ethClient,
254 consts: consts,
255 historyDB: historyDB,
256 stateDB: stateDB,
257 cfg: cfg,
258 initVars: *initVars,
259 startBlockNum: startBlockNum,
260 stats: stats,
261 }
262 return s, s.init()
263}
264
265// Stats returns a copy of the Synchronizer Stats. It is safe to call Stats()
266// during a Sync call
267func (s *Synchronizer) Stats() *Stats {
268 return s.stats.CopyStats()
269}
270
271// AuctionConstants returns the AuctionConstants read from the smart contract
272func (s *Synchronizer) AuctionConstants() *common.AuctionConstants {
273 return &s.consts.Auction
274}
275
276// RollupConstants returns the RollupConstants read from the smart contract
277func (s *Synchronizer) RollupConstants() *common.RollupConstants {
278 return &s.consts.Rollup
279}
280
281// WDelayerConstants returns the WDelayerConstants read from the smart contract
282func (s *Synchronizer) WDelayerConstants() *common.WDelayerConstants {
283 return &s.consts.WDelayer
284}
285
286// SCVars returns a copy of the Smart Contract Variables
287func (s *Synchronizer) SCVars() SCVariablesPtr {
288 return SCVariablesPtr{
289 Rollup: s.vars.Rollup.Copy(),
290 Auction: s.vars.Auction.Copy(),
291 WDelayer: s.vars.WDelayer.Copy(),
292 }
293}
294
295// setSlotCoordinator queries the highest bidder of a slot in the HistoryDB to
296// determine the coordinator that can bid in a slot
297func (s *Synchronizer) setSlotCoordinator(slot *common.Slot) error {
298 bidCoord, err := s.historyDB.GetBestBidCoordinator(slot.SlotNum)
299 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
300 return tracerr.Wrap(err)
301 }
302 if tracerr.Unwrap(err) == sql.ErrNoRows {
303 slot.BootCoord = true
304 slot.Forger = s.vars.Auction.BootCoordinator
305 slot.URL = s.vars.Auction.BootCoordinatorURL
306 } else if err == nil {
307 slot.BidValue = bidCoord.BidValue
308 slot.DefaultSlotBid = bidCoord.DefaultSlotSetBid[slot.SlotNum%6]
309 // Only if the highest bid value is greater/equal than
310 // the default slot bid, the bidder is the winner of
311 // the slot. Otherwise the boot coordinator is the
312 // winner.
313 if slot.BidValue.Cmp(slot.DefaultSlotBid) >= 0 {
314 slot.Bidder = bidCoord.Bidder
315 slot.Forger = bidCoord.Forger
316 slot.URL = bidCoord.URL
317 } else {
318 slot.BootCoord = true
319 slot.Forger = s.vars.Auction.BootCoordinator
320 slot.URL = s.vars.Auction.BootCoordinatorURL
321 }
322 }
323 return nil
324}
325
326// firstBatchBlockNum is the blockNum of first batch in that block, if any
327func (s *Synchronizer) getCurrentSlot(reset bool, firstBatchBlockNum *int64) (*common.Slot, error) {
328 slot := common.Slot{
329 SlotNum: s.stats.Sync.Auction.CurrentSlot.SlotNum,
330 ForgerCommitment: s.stats.Sync.Auction.CurrentSlot.ForgerCommitment,
331 }
332 // We want the next block because the current one is already mined
333 blockNum := s.stats.Sync.LastBlock.Num + 1
334 slotNum := s.consts.Auction.SlotNum(blockNum)
335 if reset {
336 dbFirstBatchBlockNum, err := s.historyDB.GetFirstBatchBlockNumBySlot(slotNum)
337 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
338 return nil, tracerr.Wrap(fmt.Errorf("historyDB.GetFirstBatchBySlot: %w", err))
339 } else if tracerr.Unwrap(err) == sql.ErrNoRows {
340 firstBatchBlockNum = nil
341 } else {
342 firstBatchBlockNum = &dbFirstBatchBlockNum
343 }
344 slot.ForgerCommitment = false
345 } else if slotNum > slot.SlotNum {
346 // We are in a new slotNum, start from default values
347 slot.ForgerCommitment = false
348 }
349 slot.SlotNum = slotNum
350 slot.StartBlock, slot.EndBlock = s.consts.Auction.SlotBlocks(slot.SlotNum)
351 // If Synced, update the current coordinator
352 if s.stats.Synced() && blockNum >= s.consts.Auction.GenesisBlockNum {
353 if err := s.setSlotCoordinator(&slot); err != nil {
354 return nil, tracerr.Wrap(err)
355 }
356 if firstBatchBlockNum != nil &&
357 s.consts.Auction.RelativeBlock(*firstBatchBlockNum) <
358 int64(s.vars.Auction.SlotDeadline) {
359 slot.ForgerCommitment = true
360 }
361
362 // TODO: Remove this SANITY CHECK once this code is tested enough
363 // BEGIN SANITY CHECK
364 canForge, err := s.ethClient.AuctionCanForge(slot.Forger, blockNum)
365 if err != nil {
366 return nil, tracerr.Wrap(err)
367 }
368 if !canForge {
369 return nil, tracerr.Wrap(fmt.Errorf("Synchronized value of forger address for closed slot "+
370 "differs from smart contract: %+v", slot))
371 }
372 // END SANITY CHECK
373 }
374 return &slot, nil
375}
376
377func (s *Synchronizer) getNextSlot() (*common.Slot, error) {
378 // We want the next block because the current one is already mined
379 blockNum := s.stats.Sync.LastBlock.Num + 1
380 slotNum := s.consts.Auction.SlotNum(blockNum) + 1
381 slot := common.Slot{
382 SlotNum: slotNum,
383 ForgerCommitment: false,
384 }
385 slot.StartBlock, slot.EndBlock = s.consts.Auction.SlotBlocks(slot.SlotNum)
386 // If Synced, update the current coordinator
387 if s.stats.Synced() && blockNum >= s.consts.Auction.GenesisBlockNum {
388 if err := s.setSlotCoordinator(&slot); err != nil {
389 return nil, tracerr.Wrap(err)
390 }
391
392 // TODO: Remove this SANITY CHECK once this code is tested enough
393 // BEGIN SANITY CHECK
394 canForge, err := s.ethClient.AuctionCanForge(slot.Forger, slot.StartBlock)
395 if err != nil {
396 return nil, tracerr.Wrap(err)
397 }
398 if !canForge {
399 return nil, tracerr.Wrap(fmt.Errorf("Synchronized value of forger address for closed slot "+
400 "differs from smart contract: %+v", slot))
401 }
402 // END SANITY CHECK
403 }
404 return &slot, nil
405}
406
407func (s *Synchronizer) updateCurrentNextSlotIfSync(reset bool, firstBatchBlockNum *int64) error {
408 current, err := s.getCurrentSlot(reset, firstBatchBlockNum)
409 if err != nil {
410 return tracerr.Wrap(err)
411 }
412 next, err := s.getNextSlot()
413 if err != nil {
414 return tracerr.Wrap(err)
415 }
416 s.stats.UpdateCurrentNextSlot(current, next)
417 return nil
418}
419
420func (s *Synchronizer) init() error {
421 // Update stats parameters so that they have valid values before the
422 // first Sync call
423 if err := s.stats.UpdateEth(s.ethClient); err != nil {
424 return tracerr.Wrap(err)
425 }
426 lastBlock := &common.Block{}
427 lastSavedBlock, err := s.historyDB.GetLastBlock()
428 // `s.historyDB.GetLastBlock()` will never return `sql.ErrNoRows`
429 // because we always have the default block 0 in the DB
430 if err != nil {
431 return tracerr.Wrap(err)
432 }
433 // If we only have the default block 0,
434 // make sure that the stateDB is clean
435 if lastSavedBlock.Num == 0 {
436 if err := s.stateDB.Reset(0); err != nil {
437 return tracerr.Wrap(err)
438 }
439 } else {
440 lastBlock = lastSavedBlock
441 }
442 if err := s.resetState(lastBlock); err != nil {
443 return tracerr.Wrap(err)
444 }
445
446 log.Infow("Sync init block",
447 "syncLastBlock", s.stats.Sync.LastBlock,
448 "syncBlocksPerc", s.stats.blocksPerc(),
449 "ethFirstBlockNum", s.stats.Eth.FirstBlockNum,
450 "ethLastBlock", s.stats.Eth.LastBlock,
451 )
452 log.Infow("Sync init batch",
453 "syncLastBatch", s.stats.Sync.LastBatch,
454 "syncBatchesPerc", s.stats.batchesPerc(s.stats.Sync.LastBatch),
455 "ethLastBatch", s.stats.Eth.LastBatch,
456 )
457 return nil
458}
459
460// Sync2 attems to synchronize an ethereum block starting from lastSavedBlock.
461// If lastSavedBlock is nil, the lastSavedBlock value is obtained from de DB.
462// If a block is synched, it will be returned and also stored in the DB. If a
463// reorg is detected, the number of discarded blocks will be returned and no
464// synchronization will be made.
465// TODO: Be smart about locking: only lock during the read/write operations
466func (s *Synchronizer) Sync2(ctx context.Context, lastSavedBlock *common.Block) (*common.BlockData, *int64, error) {
467 var nextBlockNum int64 // next block number to sync
468 if lastSavedBlock == nil {
469 var err error
470 // Get lastSavedBlock from History DB
471 lastSavedBlock, err = s.historyDB.GetLastBlock()
472 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
473 return nil, nil, tracerr.Wrap(err)
474 }
475 // If we don't have any stored block, we must do a full sync
476 // starting from the startBlockNum
477 if tracerr.Unwrap(err) == sql.ErrNoRows || lastSavedBlock.Num == 0 {
478 nextBlockNum = s.startBlockNum
479 lastSavedBlock = nil
480 }
481 }
482 if lastSavedBlock != nil {
483 nextBlockNum = lastSavedBlock.Num + 1
484 if lastSavedBlock.Num < s.startBlockNum {
485 return nil, nil, tracerr.Wrap(
486 fmt.Errorf("lastSavedBlock (%v) < startBlockNum (%v)",
487 lastSavedBlock.Num, s.startBlockNum))
488 }
489 }
490
491 ethBlock, err := s.ethClient.EthBlockByNumber(ctx, nextBlockNum)
492 if tracerr.Unwrap(err) == ethereum.NotFound {
493 return nil, nil, nil
494 } else if err != nil {
495 return nil, nil, tracerr.Wrap(err)
496 }
497 log.Debugf("ethBlock: num: %v, parent: %v, hash: %v",
498 ethBlock.Num, ethBlock.ParentHash.String(), ethBlock.Hash.String())
499
500 if err := s.stats.UpdateEth(s.ethClient); err != nil {
501 return nil, nil, tracerr.Wrap(err)
502 }
503
504 log.Debugw("Syncing...",
505 "block", nextBlockNum,
506 "ethLastBlock", s.stats.Eth.LastBlock,
507 )
508
509 // Check that the obtianed ethBlock.ParentHash == prevEthBlock.Hash; if not, reorg!
510 if lastSavedBlock != nil {
511 if lastSavedBlock.Hash != ethBlock.ParentHash {
512 // Reorg detected
513 log.Debugw("Reorg Detected",
514 "blockNum", ethBlock.Num,
515 "block.parent(got)", ethBlock.ParentHash, "parent.hash(exp)", lastSavedBlock.Hash)
516 lastDBBlockNum, err := s.reorg(lastSavedBlock)
517 if err != nil {
518 return nil, nil, tracerr.Wrap(err)
519 }
520 discarded := lastSavedBlock.Num - lastDBBlockNum
521 return nil, &discarded, nil
522 }
523 }
524
525 // Get data from the rollup contract
526 rollupData, err := s.rollupSync(ethBlock)
527 if err != nil {
528 return nil, nil, tracerr.Wrap(err)
529 }
530
531 // Get data from the auction contract
532 auctionData, err := s.auctionSync(ethBlock)
533 if err != nil {
534 return nil, nil, tracerr.Wrap(err)
535 }
536
537 // Get data from the WithdrawalDelayer contract
538 wDelayerData, err := s.wdelayerSync(ethBlock)
539 if err != nil {
540 return nil, nil, tracerr.Wrap(err)
541 }
542
543 for i := range rollupData.Withdrawals {
544 withdrawal := &rollupData.Withdrawals[i]
545 if !withdrawal.InstantWithdraw {
546 wDelayerTransfers := wDelayerData.DepositsByTxHash[withdrawal.TxHash]
547 if len(wDelayerTransfers) == 0 {
548 return nil, nil, tracerr.Wrap(fmt.Errorf("WDelayer deposit corresponding to " +
549 "non-instant rollup withdrawal not found"))
550 }
551 // Pop the first wDelayerTransfer to consume them in chronological order
552 wDelayerTransfer := wDelayerTransfers[0]
553 wDelayerData.DepositsByTxHash[withdrawal.TxHash] =
554 wDelayerData.DepositsByTxHash[withdrawal.TxHash][1:]
555
556 withdrawal.Owner = wDelayerTransfer.Owner
557 withdrawal.Token = wDelayerTransfer.Token
558 }
559 }
560
561 // Group all the block data into the structs to save into HistoryDB
562 blockData := common.BlockData{
563 Block: *ethBlock,
564 Rollup: *rollupData,
565 Auction: *auctionData,
566 WDelayer: *wDelayerData,
567 }
568
569 err = s.historyDB.AddBlockSCData(&blockData)
570 if err != nil {
571 return nil, nil, tracerr.Wrap(err)
572 }
573
574 batchesLen := len(rollupData.Batches)
575 if batchesLen == 0 {
576 s.stats.UpdateSync(ethBlock, nil, nil, nil)
577 } else {
578 var lastL1BatchBlock *int64
579 var lastForgeL1TxsNum *int64
580 for _, batchData := range rollupData.Batches {
581 if batchData.L1Batch {
582 lastL1BatchBlock = &batchData.Batch.EthBlockNum
583 lastForgeL1TxsNum = batchData.Batch.ForgeL1TxsNum
584 }
585 }
586 s.stats.UpdateSync(ethBlock,
587 &rollupData.Batches[batchesLen-1].Batch.BatchNum,
588 lastL1BatchBlock, lastForgeL1TxsNum)
589 }
590 var firstBatchBlockNum *int64
591 if len(rollupData.Batches) > 0 {
592 firstBatchBlockNum = &rollupData.Batches[0].Batch.EthBlockNum
593 }
594 if err := s.updateCurrentNextSlotIfSync(false, firstBatchBlockNum); err != nil {
595 return nil, nil, tracerr.Wrap(err)
596 }
597
598 log.Debugw("Synced block",
599 "syncLastBlockNum", s.stats.Sync.LastBlock.Num,
600 "syncBlocksPerc", s.stats.blocksPerc(),
601 "ethLastBlockNum", s.stats.Eth.LastBlock.Num,
602 )
603 for _, batchData := range rollupData.Batches {
604 log.Debugw("Synced batch",
605 "syncLastBatch", batchData.Batch.BatchNum,
606 "syncBatchesPerc", s.stats.batchesPerc(int64(batchData.Batch.BatchNum)),
607 "ethLastBatch", s.stats.Eth.LastBatch,
608 )
609 }
610
611 return &blockData, nil, nil
612}
613
614// reorg manages a reorg, updating History and State DB as needed. Keeps
615// checking previous blocks from the HistoryDB against the blockchain until a
616// block hash match is found. All future blocks in the HistoryDB and
617// corresponding batches in StateBD are discarded. Returns the last valid
618// blockNum from the HistoryDB.
619func (s *Synchronizer) reorg(uncleBlock *common.Block) (int64, error) {
620 blockNum := uncleBlock.Num
621
622 var block *common.Block
623 for blockNum >= s.startBlockNum {
624 ethBlock, err := s.ethClient.EthBlockByNumber(context.Background(), blockNum)
625 if err != nil {
626 return 0, tracerr.Wrap(fmt.Errorf("ethClient.EthBlockByNumber: %w", err))
627 }
628
629 block, err = s.historyDB.GetBlock(blockNum)
630 if err != nil {
631 return 0, tracerr.Wrap(fmt.Errorf("historyDB.GetBlock: %w", err))
632 }
633 if block.Hash == ethBlock.Hash {
634 log.Debugf("Found valid block: %v", blockNum)
635 break
636 }
637 blockNum--
638 }
639 total := uncleBlock.Num - block.Num
640 log.Debugw("Discarding blocks", "total", total, "from", uncleBlock.Num, "to", block.Num+1)
641
642 // Set History DB and State DB to the correct state
643 err := s.historyDB.Reorg(block.Num)
644 if err != nil {
645 return 0, tracerr.Wrap(err)
646 }
647
648 if err := s.resetState(block); err != nil {
649 return 0, tracerr.Wrap(err)
650 }
651
652 return block.Num, nil
653}
654
655func getInitialVariables(ethClient eth.ClientInterface,
656 consts *SCConsts) (*SCVariables, *StartBlockNums, error) {
657 rollupInit, rollupInitBlock, err := ethClient.RollupEventInit()
658 if err != nil {
659 return nil, nil, tracerr.Wrap(err)
660 }
661 auctionInit, auctionInitBlock, err := ethClient.AuctionEventInit()
662 if err != nil {
663 return nil, nil, tracerr.Wrap(err)
664 }
665 wDelayerInit, wDelayerInitBlock, err := ethClient.WDelayerEventInit()
666 if err != nil {
667 return nil, nil, tracerr.Wrap(err)
668 }
669 rollupVars := rollupInit.RollupVariables()
670 auctionVars := auctionInit.AuctionVariables(consts.Auction.InitialMinimalBidding)
671 wDelayerVars := wDelayerInit.WDelayerVariables()
672 return &SCVariables{
673 Rollup: *rollupVars,
674 Auction: *auctionVars,
675 WDelayer: *wDelayerVars,
676 }, &StartBlockNums{
677 Rollup: rollupInitBlock,
678 Auction: auctionInitBlock,
679 WDelayer: wDelayerInitBlock,
680 }, nil
681}
682
683func (s *Synchronizer) resetState(block *common.Block) error {
684 rollup, auction, wDelayer, err := s.historyDB.GetSCVars()
685 // If SCVars are not in the HistoryDB, this is probably the first run
686 // of the Synchronizer: store the initial vars taken from config
687 if tracerr.Unwrap(err) == sql.ErrNoRows {
688 vars := s.initVars
689 log.Info("Setting initial SCVars in HistoryDB")
690 if err = s.historyDB.SetInitialSCVars(&vars.Rollup, &vars.Auction, &vars.WDelayer); err != nil {
691 return tracerr.Wrap(fmt.Errorf("historyDB.SetInitialSCVars: %w", err))
692 }
693 s.vars.Rollup = *vars.Rollup.Copy()
694 s.vars.Auction = *vars.Auction.Copy()
695 s.vars.WDelayer = *vars.WDelayer.Copy()
696 // Add initial boot coordinator to HistoryDB
697 if err := s.historyDB.AddCoordinators([]common.Coordinator{{
698 Forger: s.initVars.Auction.BootCoordinator,
699 URL: s.initVars.Auction.BootCoordinatorURL,
700 EthBlockNum: s.initVars.Auction.EthBlockNum,
701 }}); err != nil {
702 return tracerr.Wrap(err)
703 }
704 } else if err != nil {
705 return tracerr.Wrap(err)
706 } else {
707 s.vars.Rollup = *rollup
708 s.vars.Auction = *auction
709 s.vars.WDelayer = *wDelayer
710 }
711
712 batchNum, err := s.historyDB.GetLastBatchNum()
713 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
714 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastBatchNum: %w", err))
715 }
716 if tracerr.Unwrap(err) == sql.ErrNoRows {
717 batchNum = 0
718 }
719
720 lastL1BatchBlockNum, err := s.historyDB.GetLastL1BatchBlockNum()
721 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
722 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastL1BatchBlockNum: %w", err))
723 }
724 if tracerr.Unwrap(err) == sql.ErrNoRows {
725 lastL1BatchBlockNum = 0
726 }
727
728 lastForgeL1TxsNum, err := s.historyDB.GetLastL1TxsNum()
729 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
730 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastL1BatchBlockNum: %w", err))
731 }
732 if tracerr.Unwrap(err) == sql.ErrNoRows || lastForgeL1TxsNum == nil {
733 n := int64(-1)
734 lastForgeL1TxsNum = &n
735 }
736
737 err = s.stateDB.Reset(batchNum)
738 if err != nil {
739 return tracerr.Wrap(fmt.Errorf("stateDB.Reset: %w", err))
740 }
741
742 s.stats.UpdateSync(block, &batchNum, &lastL1BatchBlockNum, lastForgeL1TxsNum)
743
744 if err := s.updateCurrentNextSlotIfSync(true, nil); err != nil {
745 return tracerr.Wrap(err)
746 }
747 return nil
748}
749
750// rollupSync retreives all the Rollup Smart Contract Data that happened at
751// ethBlock.blockNum with ethBlock.Hash.
752func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, error) {
753 blockNum := ethBlock.Num
754 var rollupData = common.NewRollupData()
755 // var forgeL1TxsNum int64
756
757 // Get rollup events in the block, and make sure the block hash matches
758 // the expected one.
759 rollupEvents, blockHash, err := s.ethClient.RollupEventsByBlock(blockNum)
760 if err != nil {
761 return nil, tracerr.Wrap(err)
762 }
763 // No events in this block
764 if blockHash == nil {
765 return &rollupData, nil
766 }
767 if *blockHash != ethBlock.Hash {
768 log.Errorw("Block hash mismatch in Rollup events", "expected", ethBlock.Hash.String(),
769 "got", blockHash.String())
770 return nil, tracerr.Wrap(eth.ErrBlockHashMismatchEvent)
771 }
772
773 var nextForgeL1TxsNum int64 // forgeL1TxsNum for the next L1Batch
774 nextForgeL1TxsNumPtr, err := s.historyDB.GetLastL1TxsNum()
775 if err != nil {
776 return nil, tracerr.Wrap(err)
777 }
778 if nextForgeL1TxsNumPtr != nil {
779 nextForgeL1TxsNum = *nextForgeL1TxsNumPtr + 1
780 } else {
781 nextForgeL1TxsNum = 0
782 }
783
784 // Get L1UserTX
785 rollupData.L1UserTxs, err = getL1UserTx(rollupEvents.L1UserTx, blockNum)
786 if err != nil {
787 return nil, tracerr.Wrap(err)
788 }
789
790 // Get ForgeBatch events to get the L1CoordinatorTxs
791 for _, evtForgeBatch := range rollupEvents.ForgeBatch {
792 batchData := common.NewBatchData()
793 position := 0
794
795 // Get the input for each Tx
796 forgeBatchArgs, sender, err := s.ethClient.RollupForgeBatchArgs(evtForgeBatch.EthTxHash,
797 evtForgeBatch.L1UserTxsLen)
798 if err != nil {
799 return nil, tracerr.Wrap(err)
800 }
801
802 batchNum := common.BatchNum(evtForgeBatch.BatchNum)
803 var l1UserTxs []common.L1Tx
804 // Check if this is a L1Batch to get L1 Tx from it
805 if forgeBatchArgs.L1Batch {
806 // Get L1UserTxs with toForgeL1TxsNum, which correspond
807 // to the L1UserTxs that are forged in this batch, so
808 // that stateDB can process them.
809
810 // First try to find them in HistoryDB.
811 l1UserTxs, err = s.historyDB.GetUnforgedL1UserTxs(nextForgeL1TxsNum)
812 if err != nil {
813 return nil, tracerr.Wrap(err)
814 }
815 // Apart from the DB, try to find them in this block.
816 // This could happen because in a block there could be
817 // multiple batches with L1Batch = true (although it's
818 // a very rare case). If not found in the DB and the
819 // block doesn't contain the l1UserTxs, it means that
820 // the L1UserTxs queue with toForgeL1TxsNum was closed
821 // empty, so we leave `l1UserTxs` as an empty slice.
822 for _, l1UserTx := range rollupData.L1UserTxs {
823 if *l1UserTx.ToForgeL1TxsNum == nextForgeL1TxsNum {
824 l1UserTxs = append(l1UserTxs, l1UserTx)
825 }
826 }
827
828 position = len(l1UserTxs)
829 }
830 // Get L1 Coordinator Txs
831 for i := range forgeBatchArgs.L1CoordinatorTxs {
832 l1CoordinatorTx := forgeBatchArgs.L1CoordinatorTxs[i]
833 l1CoordinatorTx.Position = position
834 // l1CoordinatorTx.ToForgeL1TxsNum = &forgeL1TxsNum
835 l1CoordinatorTx.UserOrigin = false
836 l1CoordinatorTx.EthBlockNum = blockNum
837 l1CoordinatorTx.BatchNum = &batchNum
838 l1Tx, err := common.NewL1Tx(&l1CoordinatorTx)
839 if err != nil {
840 return nil, tracerr.Wrap(err)
841 }
842
843 batchData.L1CoordinatorTxs = append(batchData.L1CoordinatorTxs, *l1Tx)
844 position++
845 // fmt.Println("DGB l1coordtx")
846 }
847
848 // Insert all the txs forged in this batch (l1UserTxs,
849 // L1CoordinatorTxs, PoolL2Txs) into stateDB so that they are
850 // processed.
851
852 // Set TxType to the forged L2Txs
853 for i := range forgeBatchArgs.L2TxsData {
854 if err := forgeBatchArgs.L2TxsData[i].SetType(); err != nil {
855 return nil, tracerr.Wrap(err)
856 }
857 }
858
859 // Transform L2 txs to PoolL2Txs
860 poolL2Txs := common.L2TxsToPoolL2Txs(forgeBatchArgs.L2TxsData) // NOTE: This is a big ugly, find a better way
861
862 if int(forgeBatchArgs.VerifierIdx) >= len(s.consts.Rollup.Verifiers) {
863 return nil, tracerr.Wrap(fmt.Errorf("forgeBatchArgs.VerifierIdx (%v) >= "+
864 " len(s.consts.Rollup.Verifiers) (%v)",
865 forgeBatchArgs.VerifierIdx, len(s.consts.Rollup.Verifiers)))
866 }
867 tpc := txprocessor.Config{
868 NLevels: uint32(s.consts.Rollup.Verifiers[forgeBatchArgs.VerifierIdx].NLevels),
869 MaxTx: uint32(s.consts.Rollup.Verifiers[forgeBatchArgs.VerifierIdx].MaxTx),
870 ChainID: s.cfg.ChainID,
871 MaxFeeTx: common.RollupConstMaxFeeIdxCoordinator,
872 MaxL1Tx: common.RollupConstMaxL1Tx,
873 }
874 tp := txprocessor.NewTxProcessor(s.stateDB, tpc)
875
876 // ProcessTxs updates poolL2Txs adding: Nonce (and also TokenID, but we don't use it).
877 processTxsOut, err := tp.ProcessTxs(forgeBatchArgs.FeeIdxCoordinator,
878 l1UserTxs, batchData.L1CoordinatorTxs, poolL2Txs)
879 if err != nil {
880 return nil, tracerr.Wrap(err)
881 }
882
883 // Transform processed PoolL2 txs to L2 and store in BatchData
884 l2Txs, err := common.PoolL2TxsToL2Txs(poolL2Txs) // NOTE: This is a big uggly, find a better way
885 if err != nil {
886 return nil, tracerr.Wrap(err)
887 }
888
889 // Set TxID, BlockNum, BatchNum and Position to the forged L2Txs
890 for i := range l2Txs {
891 if err := l2Txs[i].SetID(); err != nil {
892 return nil, tracerr.Wrap(err)
893 }
894 l2Txs[i].EthBlockNum = blockNum
895 l2Txs[i].BatchNum = batchNum
896 l2Txs[i].Position = position
897 position++
898 }
899 batchData.L2Txs = l2Txs
900
901 // Set the BatchNum in the forged L1UserTxs
902 for i := range l1UserTxs {
903 l1UserTxs[i].BatchNum = &batchNum
904 }
905 batchData.L1UserTxs = l1UserTxs
906
907 // Set batchNum in exits
908 for i := range processTxsOut.ExitInfos {
909 exit := &processTxsOut.ExitInfos[i]
910 exit.BatchNum = batchNum
911 }
912 batchData.ExitTree = processTxsOut.ExitInfos
913
914 for i := range processTxsOut.CreatedAccounts {
915 createdAccount := &processTxsOut.CreatedAccounts[i]
916 createdAccount.Nonce = 0
917 createdAccount.Balance = big.NewInt(0)
918 createdAccount.BatchNum = batchNum
919 }
920 batchData.CreatedAccounts = processTxsOut.CreatedAccounts
921
922 slotNum := int64(0)
923 if ethBlock.Num >= s.consts.Auction.GenesisBlockNum {
924 slotNum = (ethBlock.Num - s.consts.Auction.GenesisBlockNum) /
925 int64(s.consts.Auction.BlocksPerSlot)
926 }
927
928 // Get Batch information
929 batch := common.Batch{
930 BatchNum: batchNum,
931 EthBlockNum: blockNum,
932 ForgerAddr: *sender,
933 CollectedFees: processTxsOut.CollectedFees,
934 FeeIdxsCoordinator: forgeBatchArgs.FeeIdxCoordinator,
935 StateRoot: forgeBatchArgs.NewStRoot,
936 NumAccounts: len(batchData.CreatedAccounts),
937 LastIdx: forgeBatchArgs.NewLastIdx,
938 ExitRoot: forgeBatchArgs.NewExitRoot,
939 SlotNum: slotNum,
940 }
941 nextForgeL1TxsNumCpy := nextForgeL1TxsNum
942 if forgeBatchArgs.L1Batch {
943 batch.ForgeL1TxsNum = &nextForgeL1TxsNumCpy
944 batchData.L1Batch = true
945 nextForgeL1TxsNum++
946 }
947 batchData.Batch = batch
948 rollupData.Batches = append(rollupData.Batches, *batchData)
949 }
950
951 // Get Registered Tokens
952 for _, evtAddToken := range rollupEvents.AddToken {
953 var token common.Token
954
955 token.TokenID = common.TokenID(evtAddToken.TokenID)
956 token.EthAddr = evtAddToken.TokenAddress
957 token.EthBlockNum = blockNum
958
959 if consts, err := s.ethClient.EthERC20Consts(evtAddToken.TokenAddress); err != nil {
960 log.Warnw("Error retreiving ERC20 token constants", "addr", evtAddToken.TokenAddress)
961 token.Name = "ERC20_ETH_ERROR"
962 token.Symbol = "ERROR"
963 token.Decimals = 1
964 } else {
965 token.Name = cutStringMax(consts.Name, 20)
966 token.Symbol = cutStringMax(consts.Symbol, 10)
967 token.Decimals = consts.Decimals
968 }
969
970 rollupData.AddedTokens = append(rollupData.AddedTokens, token)
971 }
972
973 for _, evt := range rollupEvents.UpdateBucketWithdraw {
974 rollupData.UpdateBucketWithdraw = append(rollupData.UpdateBucketWithdraw,
975 common.BucketUpdate{
976 EthBlockNum: blockNum,
977 NumBucket: evt.NumBucket,
978 BlockStamp: evt.BlockStamp,
979 Withdrawals: evt.Withdrawals,
980 })
981 }
982
983 for _, evt := range rollupEvents.Withdraw {
984 rollupData.Withdrawals = append(rollupData.Withdrawals, common.WithdrawInfo{
985 Idx: common.Idx(evt.Idx),
986 NumExitRoot: common.BatchNum(evt.NumExitRoot),
987 InstantWithdraw: evt.InstantWithdraw,
988 TxHash: evt.TxHash,
989 })
990 }
991
992 for _, evt := range rollupEvents.UpdateTokenExchange {
993 if len(evt.AddressArray) != len(evt.ValueArray) {
994 return nil, tracerr.Wrap(fmt.Errorf("in RollupEventUpdateTokenExchange "+
995 "len(AddressArray) != len(ValueArray) (%v != %v)",
996 len(evt.AddressArray), len(evt.ValueArray)))
997 }
998 for i := range evt.AddressArray {
999 rollupData.TokenExchanges = append(rollupData.TokenExchanges,
1000 common.TokenExchange{
1001 EthBlockNum: blockNum,
1002 Address: evt.AddressArray[i],
1003 ValueUSD: int64(evt.ValueArray[i]),
1004 })
1005 }
1006 }
1007
1008 varsUpdate := false
1009
1010 for _, evt := range rollupEvents.UpdateForgeL1L2BatchTimeout {
1011 s.vars.Rollup.ForgeL1L2BatchTimeout = evt.NewForgeL1L2BatchTimeout
1012 varsUpdate = true
1013 }
1014
1015 for _, evt := range rollupEvents.UpdateFeeAddToken {
1016 s.vars.Rollup.FeeAddToken = evt.NewFeeAddToken
1017 varsUpdate = true
1018 }
1019
1020 for _, evt := range rollupEvents.UpdateWithdrawalDelay {
1021 s.vars.Rollup.WithdrawalDelay = evt.NewWithdrawalDelay
1022 varsUpdate = true
1023 }
1024
1025 // NOTE: We skip the event rollupEvents.SafeMode because the
1026 // implementation RollupEventsByBlock already inserts a non-existing
1027 // RollupEventUpdateBucketsParameters into UpdateBucketsParameters with
1028 // all the bucket values at 0 and SafeMode = true
1029
1030 for _, evt := range rollupEvents.UpdateBucketsParameters {
1031 for i, bucket := range evt.ArrayBuckets {
1032 s.vars.Rollup.Buckets[i] = common.BucketParams{
1033 CeilUSD: bucket.CeilUSD,
1034 Withdrawals: bucket.Withdrawals,
1035 BlockWithdrawalRate: bucket.BlockWithdrawalRate,
1036 MaxWithdrawals: bucket.MaxWithdrawals,
1037 }
1038 }
1039 s.vars.Rollup.SafeMode = evt.SafeMode
1040 varsUpdate = true
1041 }
1042
1043 if varsUpdate {
1044 s.vars.Rollup.EthBlockNum = blockNum
1045 rollupData.Vars = s.vars.Rollup.Copy()
1046 }
1047
1048 return &rollupData, nil
1049}
1050
1051func cutStringMax(s string, max int) string {
1052 if len(s) > max {
1053 return s[:max]
1054 }
1055 return s
1056}
1057
1058// auctionSync gets information from the Auction Contract
1059func (s *Synchronizer) auctionSync(ethBlock *common.Block) (*common.AuctionData, error) {
1060 blockNum := ethBlock.Num
1061 var auctionData = common.NewAuctionData()
1062
1063 // Get auction events in the block
1064 auctionEvents, blockHash, err := s.ethClient.AuctionEventsByBlock(blockNum)
1065 if err != nil {
1066 return nil, tracerr.Wrap(err)
1067 }
1068 // No events in this block
1069 if blockHash == nil {
1070 return &auctionData, nil
1071 }
1072 if *blockHash != ethBlock.Hash {
1073 log.Errorw("Block hash mismatch in Auction events", "expected", ethBlock.Hash.String(),
1074 "got", blockHash.String())
1075 return nil, tracerr.Wrap(eth.ErrBlockHashMismatchEvent)
1076 }
1077
1078 // Get bids
1079 for _, evt := range auctionEvents.NewBid {
1080 bid := common.Bid{
1081 SlotNum: evt.Slot,
1082 BidValue: evt.BidAmount,
1083 Bidder: evt.Bidder,
1084 EthBlockNum: blockNum,
1085 }
1086 auctionData.Bids = append(auctionData.Bids, bid)
1087 }
1088
1089 // Get Coordinators
1090 for _, evt := range auctionEvents.SetCoordinator {
1091 coordinator := common.Coordinator{
1092 Bidder: evt.BidderAddress,
1093 Forger: evt.ForgerAddress,
1094 URL: evt.CoordinatorURL,
1095 EthBlockNum: blockNum,
1096 }
1097 auctionData.Coordinators = append(auctionData.Coordinators, coordinator)
1098 }
1099
1100 varsUpdate := false
1101
1102 for _, evt := range auctionEvents.NewSlotDeadline {
1103 s.vars.Auction.SlotDeadline = evt.NewSlotDeadline
1104 varsUpdate = true
1105 }
1106 for _, evt := range auctionEvents.NewClosedAuctionSlots {
1107 s.vars.Auction.ClosedAuctionSlots = evt.NewClosedAuctionSlots
1108 varsUpdate = true
1109 }
1110 for _, evt := range auctionEvents.NewOutbidding {
1111 s.vars.Auction.Outbidding = evt.NewOutbidding
1112 varsUpdate = true
1113 }
1114 for _, evt := range auctionEvents.NewDonationAddress {
1115 s.vars.Auction.DonationAddress = evt.NewDonationAddress
1116 varsUpdate = true
1117 }
1118 for _, evt := range auctionEvents.NewBootCoordinator {
1119 s.vars.Auction.BootCoordinator = evt.NewBootCoordinator
1120 s.vars.Auction.BootCoordinatorURL = evt.NewBootCoordinatorURL
1121 varsUpdate = true
1122 // Add new boot coordinator
1123 auctionData.Coordinators = append(auctionData.Coordinators, common.Coordinator{
1124 Forger: evt.NewBootCoordinator,
1125 URL: evt.NewBootCoordinatorURL,
1126 EthBlockNum: blockNum,
1127 })
1128 }
1129 for _, evt := range auctionEvents.NewOpenAuctionSlots {
1130 s.vars.Auction.OpenAuctionSlots = evt.NewOpenAuctionSlots
1131 varsUpdate = true
1132 }
1133 for _, evt := range auctionEvents.NewAllocationRatio {
1134 s.vars.Auction.AllocationRatio = evt.NewAllocationRatio
1135 varsUpdate = true
1136 }
1137 for _, evt := range auctionEvents.NewDefaultSlotSetBid {
1138 if evt.SlotSet > 6 { //nolint:gomnd
1139 return nil, tracerr.Wrap(fmt.Errorf("unexpected SlotSet in "+
1140 "auctionEvents.NewDefaultSlotSetBid: %v", evt.SlotSet))
1141 }
1142 s.vars.Auction.DefaultSlotSetBid[evt.SlotSet] = evt.NewInitialMinBid
1143 s.vars.Auction.DefaultSlotSetBidSlotNum = s.consts.Auction.SlotNum(blockNum) +
1144 int64(s.vars.Auction.ClosedAuctionSlots)
1145 varsUpdate = true
1146 }
1147
1148 // NOTE: We ignore NewForgeAllocated
1149 // NOTE: We ignore NewForge because we're already tracking ForgeBatch event from Rollup
1150 // NOTE: We ignore HEZClaimed
1151
1152 if varsUpdate {
1153 s.vars.Auction.EthBlockNum = blockNum
1154 auctionData.Vars = s.vars.Auction.Copy()
1155 }
1156
1157 return &auctionData, nil
1158}
1159
1160// wdelayerSync gets information from the Withdrawal Delayer Contract
1161func (s *Synchronizer) wdelayerSync(ethBlock *common.Block) (*common.WDelayerData, error) {
1162 blockNum := ethBlock.Num
1163 wDelayerData := common.NewWDelayerData()
1164
1165 // Get wDelayer events in the block
1166 wDelayerEvents, blockHash, err := s.ethClient.WDelayerEventsByBlock(blockNum)
1167 if err != nil {
1168 return nil, tracerr.Wrap(err)
1169 }
1170 // No events in this block
1171 if blockHash == nil {
1172 return &wDelayerData, nil
1173 }
1174 if *blockHash != ethBlock.Hash {
1175 log.Errorw("Block hash mismatch in WDelayer events", "expected", ethBlock.Hash.String(),
1176 "got", blockHash.String())
1177 return nil, tracerr.Wrap(eth.ErrBlockHashMismatchEvent)
1178 }
1179
1180 for _, evt := range wDelayerEvents.Deposit {
1181 wDelayerData.Deposits = append(wDelayerData.Deposits, common.WDelayerTransfer{
1182 Owner: evt.Owner,
1183 Token: evt.Token,
1184 Amount: evt.Amount,
1185 })
1186 wDelayerData.DepositsByTxHash[evt.TxHash] =
1187 append(wDelayerData.DepositsByTxHash[evt.TxHash],
1188 &wDelayerData.Deposits[len(wDelayerData.Deposits)-1])
1189 }
1190 for _, evt := range wDelayerEvents.Withdraw {
1191 wDelayerData.Withdrawals = append(wDelayerData.Withdrawals, common.WDelayerTransfer{
1192 Owner: evt.Owner,
1193 Token: evt.Token,
1194 Amount: evt.Amount,
1195 })
1196 }
1197 for _, evt := range wDelayerEvents.EscapeHatchWithdrawal {
1198 wDelayerData.EscapeHatchWithdrawals = append(wDelayerData.EscapeHatchWithdrawals,
1199 common.WDelayerEscapeHatchWithdrawal{
1200 EthBlockNum: blockNum,
1201 Who: evt.Who,
1202 To: evt.To,
1203 TokenAddr: evt.Token,
1204 Amount: evt.Amount,
1205 })
1206 }
1207
1208 varsUpdate := false
1209
1210 for range wDelayerEvents.EmergencyModeEnabled {
1211 s.vars.WDelayer.EmergencyMode = true
1212 s.vars.WDelayer.EmergencyModeStartingBlock = blockNum
1213 varsUpdate = true
1214 }
1215 for _, evt := range wDelayerEvents.NewWithdrawalDelay {
1216 s.vars.WDelayer.WithdrawalDelay = evt.WithdrawalDelay
1217 varsUpdate = true
1218 }
1219 for _, evt := range wDelayerEvents.NewEmergencyCouncil {
1220 s.vars.WDelayer.EmergencyCouncilAddress = evt.NewEmergencyCouncil
1221 varsUpdate = true
1222 }
1223 for _, evt := range wDelayerEvents.NewHermezGovernanceAddress {
1224 s.vars.WDelayer.HermezGovernanceAddress = evt.NewHermezGovernanceAddress
1225 varsUpdate = true
1226 }
1227
1228 if varsUpdate {
1229 s.vars.WDelayer.EthBlockNum = blockNum
1230 wDelayerData.Vars = s.vars.WDelayer.Copy()
1231 }
1232
1233 return &wDelayerData, nil
1234}
1235
1236func getL1UserTx(eventsL1UserTx []eth.RollupEventL1UserTx, blockNum int64) ([]common.L1Tx, error) {
1237 l1Txs := make([]common.L1Tx, len(eventsL1UserTx))
1238 for i := range eventsL1UserTx {
1239 eventsL1UserTx[i].L1UserTx.EthBlockNum = blockNum
1240 // Check validity of L1UserTx
1241 l1Tx, err := common.NewL1Tx(&eventsL1UserTx[i].L1UserTx)
1242 if err != nil {
1243 return nil, tracerr.Wrap(err)
1244 }
1245 l1Txs[i] = *l1Tx
1246 }
1247 return l1Txs, nil
1248}