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
21const (
22 // errStrUnknownBlock is the string returned by geth when querying an
23 // unknown block
24 errStrUnknownBlock = "unknown block"
25)
26
27var (
28 // ErrUnknownBlock is the error returned by the Synchronizer when a
29 // block is queried by hash but the ethereum node doesn't find it due
30 // to it being discarded from a reorg.
31 ErrUnknownBlock = fmt.Errorf("unknown block")
32)
33
34// Stats of the syncrhonizer
35type Stats struct {
36 Eth struct {
37 RefreshPeriod time.Duration
38 Updated time.Time
39 FirstBlockNum int64
40 LastBlock common.Block
41 LastBatchNum int64
42 }
43 Sync struct {
44 Updated time.Time
45 LastBlock common.Block
46 LastBatch common.Batch
47 // LastL1BatchBlock is the last ethereum block in which an
48 // l1Batch was forged
49 LastL1BatchBlock int64
50 LastForgeL1TxsNum int64
51 Auction struct {
52 CurrentSlot common.Slot
53 NextSlot common.Slot
54 }
55 }
56}
57
58// Synced returns true if the Synchronizer is up to date with the last ethereum block
59func (s *Stats) Synced() bool {
60 return s.Eth.LastBlock.Num == s.Sync.LastBlock.Num
61}
62
63// TODO(Edu): Consider removing all the mutexes from StatsHolder, make
64// Synchronizer.Stats not thread-safe, don't pass the synchronizer to the
65// debugAPI, and have a copy of the Stats in the DebugAPI that the node passes
66// when the Sync updates.
67
68// StatsHolder stores stats and that allows reading and writing them
69// concurrently
70type StatsHolder struct {
71 Stats
72 rw sync.RWMutex
73}
74
75// NewStatsHolder creates a new StatsHolder
76func NewStatsHolder(firstBlockNum int64, refreshPeriod time.Duration) *StatsHolder {
77 stats := Stats{}
78 stats.Eth.RefreshPeriod = refreshPeriod
79 stats.Eth.FirstBlockNum = firstBlockNum
80 stats.Sync.LastForgeL1TxsNum = -1
81 return &StatsHolder{Stats: stats}
82}
83
84// UpdateCurrentNextSlot updates the auction stats
85func (s *StatsHolder) UpdateCurrentNextSlot(current *common.Slot, next *common.Slot) {
86 s.rw.Lock()
87 s.Sync.Auction.CurrentSlot = *current
88 s.Sync.Auction.NextSlot = *next
89 s.rw.Unlock()
90}
91
92// UpdateSync updates the synchronizer stats
93func (s *StatsHolder) UpdateSync(lastBlock *common.Block, lastBatch *common.Batch,
94 lastL1BatchBlock *int64, lastForgeL1TxsNum *int64) {
95 now := time.Now()
96 s.rw.Lock()
97 s.Sync.LastBlock = *lastBlock
98 if lastBatch != nil {
99 s.Sync.LastBatch = *lastBatch
100 }
101 if lastL1BatchBlock != nil {
102 s.Sync.LastL1BatchBlock = *lastL1BatchBlock
103 s.Sync.LastForgeL1TxsNum = *lastForgeL1TxsNum
104 }
105 s.Sync.Updated = now
106 s.rw.Unlock()
107}
108
109// UpdateEth updates the ethereum stats, only if the previous stats expired
110func (s *StatsHolder) UpdateEth(ethClient eth.ClientInterface) error {
111 now := time.Now()
112 s.rw.RLock()
113 elapsed := now.Sub(s.Eth.Updated)
114 s.rw.RUnlock()
115 if elapsed < s.Eth.RefreshPeriod {
116 return nil
117 }
118
119 lastBlock, err := ethClient.EthBlockByNumber(context.TODO(), -1)
120 if err != nil {
121 return tracerr.Wrap(fmt.Errorf("EthBlockByNumber: %w", err))
122 }
123 lastBatchNum, err := ethClient.RollupLastForgedBatch()
124 if err != nil {
125 return tracerr.Wrap(fmt.Errorf("RollupLastForgedBatch: %w", err))
126 }
127 s.rw.Lock()
128 s.Eth.Updated = now
129 s.Eth.LastBlock = *lastBlock
130 s.Eth.LastBatchNum = lastBatchNum
131 s.rw.Unlock()
132 return nil
133}
134
135// CopyStats returns a copy of the inner Stats
136func (s *StatsHolder) CopyStats() *Stats {
137 s.rw.RLock()
138 sCopy := s.Stats
139 if s.Sync.Auction.CurrentSlot.BidValue != nil {
140 sCopy.Sync.Auction.CurrentSlot.BidValue =
141 common.CopyBigInt(s.Sync.Auction.CurrentSlot.BidValue)
142 }
143 if s.Sync.Auction.CurrentSlot.DefaultSlotBid != nil {
144 sCopy.Sync.Auction.CurrentSlot.DefaultSlotBid =
145 common.CopyBigInt(s.Sync.Auction.CurrentSlot.DefaultSlotBid)
146 }
147 if s.Sync.Auction.NextSlot.BidValue != nil {
148 sCopy.Sync.Auction.NextSlot.BidValue =
149 common.CopyBigInt(s.Sync.Auction.NextSlot.BidValue)
150 }
151 if s.Sync.Auction.NextSlot.DefaultSlotBid != nil {
152 sCopy.Sync.Auction.NextSlot.DefaultSlotBid =
153 common.CopyBigInt(s.Sync.Auction.NextSlot.DefaultSlotBid)
154 }
155 if s.Sync.LastBatch.StateRoot != nil {
156 sCopy.Sync.LastBatch.StateRoot =
157 common.CopyBigInt(s.Sync.LastBatch.StateRoot)
158 }
159 s.rw.RUnlock()
160 return &sCopy
161}
162
163func (s *StatsHolder) blocksPerc() float64 {
164 syncLastBlockNum := s.Sync.LastBlock.Num
165 if s.Sync.LastBlock.Num == 0 {
166 syncLastBlockNum = s.Eth.FirstBlockNum - 1
167 }
168 return float64(syncLastBlockNum-(s.Eth.FirstBlockNum-1)) * 100.0 /
169 float64(s.Eth.LastBlock.Num-(s.Eth.FirstBlockNum-1))
170}
171
172func (s *StatsHolder) batchesPerc(batchNum common.BatchNum) float64 {
173 return float64(batchNum) * 100.0 /
174 float64(s.Eth.LastBatchNum)
175}
176
177// StartBlockNums sets the first block used to start tracking the smart
178// contracts
179type StartBlockNums struct {
180 Rollup int64
181 Auction int64
182 WDelayer int64
183}
184
185// SCVariables joins all the smart contract variables in a single struct
186type SCVariables struct {
187 Rollup common.RollupVariables `validate:"required"`
188 Auction common.AuctionVariables `validate:"required"`
189 WDelayer common.WDelayerVariables `validate:"required"`
190}
191
192// SCVariablesPtr joins all the smart contract variables as pointers in a single
193// struct
194type SCVariablesPtr struct {
195 Rollup *common.RollupVariables `validate:"required"`
196 Auction *common.AuctionVariables `validate:"required"`
197 WDelayer *common.WDelayerVariables `validate:"required"`
198}
199
200// SCConsts joins all the smart contract constants in a single struct
201type SCConsts struct {
202 Rollup common.RollupConstants
203 Auction common.AuctionConstants
204 WDelayer common.WDelayerConstants
205}
206
207// Config is the Synchronizer configuration
208type Config struct {
209 StatsRefreshPeriod time.Duration
210 ChainID uint16
211}
212
213// Synchronizer implements the Synchronizer type
214type Synchronizer struct {
215 ethClient eth.ClientInterface
216 consts SCConsts
217 historyDB *historydb.HistoryDB
218 stateDB *statedb.StateDB
219 cfg Config
220 initVars SCVariables
221 startBlockNum int64
222 vars SCVariables
223 stats *StatsHolder
224 resetStateFailed bool
225}
226
227// NewSynchronizer creates a new Synchronizer
228func NewSynchronizer(ethClient eth.ClientInterface, historyDB *historydb.HistoryDB,
229 stateDB *statedb.StateDB, cfg Config) (*Synchronizer, error) {
230 auctionConstants, err := ethClient.AuctionConstants()
231 if err != nil {
232 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.AuctionConstants(): %w",
233 err))
234 }
235 rollupConstants, err := ethClient.RollupConstants()
236 if err != nil {
237 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.RollupConstants(): %w",
238 err))
239 }
240 wDelayerConstants, err := ethClient.WDelayerConstants()
241 if err != nil {
242 return nil, tracerr.Wrap(fmt.Errorf("NewSynchronizer ethClient.WDelayerConstants(): %w",
243 err))
244 }
245 consts := SCConsts{
246 Rollup: *rollupConstants,
247 Auction: *auctionConstants,
248 WDelayer: *wDelayerConstants,
249 }
250
251 initVars, startBlockNums, err := getInitialVariables(ethClient, &consts)
252 if err != nil {
253 return nil, tracerr.Wrap(err)
254 }
255 log.Infow("Synchronizer syncing from smart contract blocks",
256 "rollup", startBlockNums.Rollup,
257 "auction", startBlockNums.Auction,
258 "wdelayer", startBlockNums.WDelayer,
259 )
260 // Set startBlockNum to the minimum between Auction, Rollup and
261 // WDelayer StartBlockNum
262 startBlockNum := startBlockNums.Auction
263 if startBlockNums.Rollup < startBlockNum {
264 startBlockNum = startBlockNums.Rollup
265 }
266 if startBlockNums.WDelayer < startBlockNum {
267 startBlockNum = startBlockNums.WDelayer
268 }
269 stats := NewStatsHolder(startBlockNum, cfg.StatsRefreshPeriod)
270 s := &Synchronizer{
271 ethClient: ethClient,
272 consts: consts,
273 historyDB: historyDB,
274 stateDB: stateDB,
275 cfg: cfg,
276 initVars: *initVars,
277 startBlockNum: startBlockNum,
278 stats: stats,
279 }
280 return s, s.init()
281}
282
283// StateDB returns the inner StateDB
284func (s *Synchronizer) StateDB() *statedb.StateDB {
285 return s.stateDB
286}
287
288// Stats returns a copy of the Synchronizer Stats. It is safe to call Stats()
289// during a Sync call
290func (s *Synchronizer) Stats() *Stats {
291 return s.stats.CopyStats()
292}
293
294// AuctionConstants returns the AuctionConstants read from the smart contract
295func (s *Synchronizer) AuctionConstants() *common.AuctionConstants {
296 return &s.consts.Auction
297}
298
299// RollupConstants returns the RollupConstants read from the smart contract
300func (s *Synchronizer) RollupConstants() *common.RollupConstants {
301 return &s.consts.Rollup
302}
303
304// WDelayerConstants returns the WDelayerConstants read from the smart contract
305func (s *Synchronizer) WDelayerConstants() *common.WDelayerConstants {
306 return &s.consts.WDelayer
307}
308
309// SCVars returns a copy of the Smart Contract Variables
310func (s *Synchronizer) SCVars() SCVariablesPtr {
311 return SCVariablesPtr{
312 Rollup: s.vars.Rollup.Copy(),
313 Auction: s.vars.Auction.Copy(),
314 WDelayer: s.vars.WDelayer.Copy(),
315 }
316}
317
318// setSlotCoordinator queries the highest bidder of a slot in the HistoryDB to
319// determine the coordinator that can bid in a slot
320func (s *Synchronizer) setSlotCoordinator(slot *common.Slot) error {
321 bidCoord, err := s.historyDB.GetBestBidCoordinator(slot.SlotNum)
322 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
323 return tracerr.Wrap(err)
324 }
325 if tracerr.Unwrap(err) == sql.ErrNoRows {
326 slot.BootCoord = true
327 slot.Forger = s.vars.Auction.BootCoordinator
328 slot.URL = s.vars.Auction.BootCoordinatorURL
329 } else if err == nil {
330 slot.BidValue = bidCoord.BidValue
331 slot.DefaultSlotBid = bidCoord.DefaultSlotSetBid[slot.SlotNum%6]
332 // Only if the highest bid value is greater/equal than
333 // the default slot bid, the bidder is the winner of
334 // the slot. Otherwise the boot coordinator is the
335 // winner.
336 if slot.BidValue.Cmp(slot.DefaultSlotBid) >= 0 {
337 slot.Bidder = bidCoord.Bidder
338 slot.Forger = bidCoord.Forger
339 slot.URL = bidCoord.URL
340 } else {
341 slot.BootCoord = true
342 slot.Forger = s.vars.Auction.BootCoordinator
343 slot.URL = s.vars.Auction.BootCoordinatorURL
344 }
345 }
346 return nil
347}
348
349// updateCurrentSlot updates the slot with information of the current slot.
350// The information abouth which coordinator is allowed to forge is only updated
351// when we are Synced.
352// hasBatch is true when the last synced block contained at least one batch.
353func (s *Synchronizer) updateCurrentSlot(slot *common.Slot, reset bool, hasBatch bool) error {
354 // We want the next block because the current one is already mined
355 blockNum := s.stats.Sync.LastBlock.Num + 1
356 slotNum := s.consts.Auction.SlotNum(blockNum)
357 firstBatchBlockNum := s.stats.Sync.LastBlock.Num
358 if reset {
359 // Using this query only to know if there
360 dbFirstBatchBlockNum, err := s.historyDB.GetFirstBatchBlockNumBySlot(slotNum)
361 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
362 return tracerr.Wrap(fmt.Errorf("historyDB.GetFirstBatchBySlot: %w", err))
363 } else if tracerr.Unwrap(err) == sql.ErrNoRows {
364 hasBatch = false
365 } else {
366 hasBatch = true
367 firstBatchBlockNum = dbFirstBatchBlockNum
368 }
369 slot.ForgerCommitment = false
370 } else if slotNum > slot.SlotNum {
371 // We are in a new slotNum, start from default values
372 slot.ForgerCommitment = false
373 }
374 slot.SlotNum = slotNum
375 slot.StartBlock, slot.EndBlock = s.consts.Auction.SlotBlocks(slot.SlotNum)
376 // If Synced, update the current coordinator
377 if s.stats.Synced() && blockNum >= s.consts.Auction.GenesisBlockNum {
378 if err := s.setSlotCoordinator(slot); err != nil {
379 return tracerr.Wrap(err)
380 }
381 if hasBatch &&
382 s.consts.Auction.RelativeBlock(firstBatchBlockNum) <
383 int64(s.vars.Auction.SlotDeadline) {
384 slot.ForgerCommitment = true
385 }
386
387 // TODO: Remove this SANITY CHECK once this code is tested enough
388 // BEGIN SANITY CHECK
389 canForge, err := s.ethClient.AuctionCanForge(slot.Forger, blockNum)
390 if err != nil {
391 return tracerr.Wrap(fmt.Errorf("AuctionCanForge: %w", err))
392 }
393 if !canForge {
394 return tracerr.Wrap(fmt.Errorf("Synchronized value of forger address for closed slot "+
395 "differs from smart contract: %+v", slot))
396 }
397 // END SANITY CHECK
398 }
399 return nil
400}
401
402// updateNextSlot updates the slot with information of the next slot.
403// The information abouth which coordinator is allowed to forge is only updated
404// when we are Synced.
405func (s *Synchronizer) updateNextSlot(slot *common.Slot) error {
406 // We want the next block because the current one is already mined
407 blockNum := s.stats.Sync.LastBlock.Num + 1
408 slotNum := s.consts.Auction.SlotNum(blockNum) + 1
409 slot.SlotNum = slotNum
410 slot.ForgerCommitment = false
411 slot.StartBlock, slot.EndBlock = s.consts.Auction.SlotBlocks(slot.SlotNum)
412 // If Synced, update the current coordinator
413 if s.stats.Synced() && blockNum >= s.consts.Auction.GenesisBlockNum {
414 if err := s.setSlotCoordinator(slot); err != nil {
415 return tracerr.Wrap(err)
416 }
417
418 // TODO: Remove this SANITY CHECK once this code is tested enough
419 // BEGIN SANITY CHECK
420 canForge, err := s.ethClient.AuctionCanForge(slot.Forger, slot.StartBlock)
421 if err != nil {
422 return tracerr.Wrap(fmt.Errorf("AuctionCanForge: %w", err))
423 }
424 if !canForge {
425 return tracerr.Wrap(fmt.Errorf("Synchronized value of forger address for closed slot "+
426 "differs from smart contract: %+v", slot))
427 }
428 // END SANITY CHECK
429 }
430 return nil
431}
432
433// updateCurrentNextSlotIfSync updates the current and next slot. Information
434// about forger address that is allowed to forge is only updated if we are
435// Synced.
436func (s *Synchronizer) updateCurrentNextSlotIfSync(reset bool, hasBatch bool) error {
437 current := s.stats.Sync.Auction.CurrentSlot
438 next := s.stats.Sync.Auction.NextSlot
439 if err := s.updateCurrentSlot(¤t, reset, hasBatch); err != nil {
440 return tracerr.Wrap(err)
441 }
442 if err := s.updateNextSlot(&next); err != nil {
443 return tracerr.Wrap(err)
444 }
445 s.stats.UpdateCurrentNextSlot(¤t, &next)
446 return nil
447}
448
449func (s *Synchronizer) init() error {
450 // Update stats parameters so that they have valid values before the
451 // first Sync call
452 if err := s.stats.UpdateEth(s.ethClient); err != nil {
453 return tracerr.Wrap(err)
454 }
455 lastBlock := &common.Block{}
456 lastSavedBlock, err := s.historyDB.GetLastBlock()
457 // `s.historyDB.GetLastBlock()` will never return `sql.ErrNoRows`
458 // because we always have the default block 0 in the DB
459 if err != nil {
460 return tracerr.Wrap(err)
461 }
462 // If we only have the default block 0,
463 // make sure that the stateDB is clean
464 if lastSavedBlock.Num == 0 {
465 if err := s.stateDB.Reset(0); err != nil {
466 return tracerr.Wrap(err)
467 }
468 } else {
469 lastBlock = lastSavedBlock
470 }
471 if err := s.resetState(lastBlock); err != nil {
472 s.resetStateFailed = true
473 return tracerr.Wrap(err)
474 }
475 s.resetStateFailed = false
476
477 log.Infow("Sync init block",
478 "syncLastBlock", s.stats.Sync.LastBlock,
479 "syncBlocksPerc", s.stats.blocksPerc(),
480 "ethFirstBlockNum", s.stats.Eth.FirstBlockNum,
481 "ethLastBlock", s.stats.Eth.LastBlock,
482 )
483 log.Infow("Sync init batch",
484 "syncLastBatch", s.stats.Sync.LastBatch.BatchNum,
485 "syncBatchesPerc", s.stats.batchesPerc(s.stats.Sync.LastBatch.BatchNum),
486 "ethLastBatch", s.stats.Eth.LastBatchNum,
487 )
488 return nil
489}
490
491func (s *Synchronizer) resetIntermediateState() error {
492 lastBlock, err := s.historyDB.GetLastBlock()
493 if tracerr.Unwrap(err) == sql.ErrNoRows {
494 lastBlock = &common.Block{}
495 } else if err != nil {
496 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastBlock: %w", err))
497 }
498 if err := s.resetState(lastBlock); err != nil {
499 s.resetStateFailed = true
500 return tracerr.Wrap(fmt.Errorf("resetState at block %v: %w", lastBlock.Num, err))
501 }
502 s.resetStateFailed = false
503 return nil
504}
505
506// Sync2 attems to synchronize an ethereum block starting from lastSavedBlock.
507// If lastSavedBlock is nil, the lastSavedBlock value is obtained from de DB.
508// If a block is synched, it will be returned and also stored in the DB. If a
509// reorg is detected, the number of discarded blocks will be returned and no
510// synchronization will be made.
511// TODO: Be smart about locking: only lock during the read/write operations
512func (s *Synchronizer) Sync2(ctx context.Context,
513 lastSavedBlock *common.Block) (blockData *common.BlockData, discarded *int64, err error) {
514 if s.resetStateFailed {
515 if err := s.resetIntermediateState(); err != nil {
516 return nil, nil, tracerr.Wrap(err)
517 }
518 }
519
520 var nextBlockNum int64 // next block number to sync
521 if lastSavedBlock == nil {
522 // Get lastSavedBlock from History DB
523 lastSavedBlock, err = s.historyDB.GetLastBlock()
524 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
525 return nil, nil, tracerr.Wrap(err)
526 }
527 // If we don't have any stored block, we must do a full sync
528 // starting from the startBlockNum
529 if tracerr.Unwrap(err) == sql.ErrNoRows || lastSavedBlock.Num == 0 {
530 nextBlockNum = s.startBlockNum
531 lastSavedBlock = nil
532 }
533 }
534 if lastSavedBlock != nil {
535 nextBlockNum = lastSavedBlock.Num + 1
536 if lastSavedBlock.Num < s.startBlockNum {
537 return nil, nil, tracerr.Wrap(
538 fmt.Errorf("lastSavedBlock (%v) < startBlockNum (%v)",
539 lastSavedBlock.Num, s.startBlockNum))
540 }
541 }
542
543 ethBlock, err := s.ethClient.EthBlockByNumber(ctx, nextBlockNum)
544 if tracerr.Unwrap(err) == ethereum.NotFound {
545 return nil, nil, nil
546 } else if err != nil {
547 return nil, nil, tracerr.Wrap(fmt.Errorf("EthBlockByNumber: %w", err))
548 }
549 log.Debugf("ethBlock: num: %v, parent: %v, hash: %v",
550 ethBlock.Num, ethBlock.ParentHash.String(), ethBlock.Hash.String())
551
552 if err := s.stats.UpdateEth(s.ethClient); err != nil {
553 return nil, nil, tracerr.Wrap(err)
554 }
555
556 log.Debugw("Syncing...",
557 "block", nextBlockNum,
558 "ethLastBlock", s.stats.Eth.LastBlock,
559 )
560
561 // Check that the obtianed ethBlock.ParentHash == prevEthBlock.Hash; if not, reorg!
562 if lastSavedBlock != nil {
563 if lastSavedBlock.Hash != ethBlock.ParentHash {
564 // Reorg detected
565 log.Debugw("Reorg Detected",
566 "blockNum", ethBlock.Num,
567 "block.parent(got)", ethBlock.ParentHash, "parent.hash(exp)", lastSavedBlock.Hash)
568 lastDBBlockNum, err := s.reorg(lastSavedBlock)
569 if err != nil {
570 return nil, nil, tracerr.Wrap(err)
571 }
572 discarded := lastSavedBlock.Num - lastDBBlockNum
573 return nil, &discarded, nil
574 }
575 }
576
577 defer func() {
578 // If there was an error during sync, reset to the last block
579 // in the historyDB because the historyDB is written last in
580 // the Sync method and is the source of consistency. This
581 // allows reseting the stateDB in the case a batch was
582 // processed but the historyDB block was not committed due to an
583 // error.
584 if err != nil {
585 if err2 := s.resetIntermediateState(); err2 != nil {
586 log.Errorw("sync revert", "err", err2)
587 }
588 }
589 }()
590
591 // Get data from the rollup contract
592 rollupData, err := s.rollupSync(ethBlock)
593 if err != nil {
594 return nil, nil, tracerr.Wrap(err)
595 }
596
597 // Get data from the auction contract
598 auctionData, err := s.auctionSync(ethBlock)
599 if err != nil {
600 return nil, nil, tracerr.Wrap(err)
601 }
602
603 // Get data from the WithdrawalDelayer contract
604 wDelayerData, err := s.wdelayerSync(ethBlock)
605 if err != nil {
606 return nil, nil, tracerr.Wrap(err)
607 }
608
609 for i := range rollupData.Withdrawals {
610 withdrawal := &rollupData.Withdrawals[i]
611 if !withdrawal.InstantWithdraw {
612 wDelayerTransfers := wDelayerData.DepositsByTxHash[withdrawal.TxHash]
613 if len(wDelayerTransfers) == 0 {
614 return nil, nil, tracerr.Wrap(fmt.Errorf("WDelayer deposit corresponding to " +
615 "non-instant rollup withdrawal not found"))
616 }
617 // Pop the first wDelayerTransfer to consume them in chronological order
618 wDelayerTransfer := wDelayerTransfers[0]
619 wDelayerData.DepositsByTxHash[withdrawal.TxHash] =
620 wDelayerData.DepositsByTxHash[withdrawal.TxHash][1:]
621
622 withdrawal.Owner = wDelayerTransfer.Owner
623 withdrawal.Token = wDelayerTransfer.Token
624 }
625 }
626
627 // Group all the block data into the structs to save into HistoryDB
628 blockData = &common.BlockData{
629 Block: *ethBlock,
630 Rollup: *rollupData,
631 Auction: *auctionData,
632 WDelayer: *wDelayerData,
633 }
634
635 err = s.historyDB.AddBlockSCData(blockData)
636 if err != nil {
637 return nil, nil, tracerr.Wrap(err)
638 }
639
640 batchesLen := len(rollupData.Batches)
641 if batchesLen == 0 {
642 s.stats.UpdateSync(ethBlock, nil, nil, nil)
643 } else {
644 var lastL1BatchBlock *int64
645 var lastForgeL1TxsNum *int64
646 for _, batchData := range rollupData.Batches {
647 if batchData.L1Batch {
648 lastL1BatchBlock = &batchData.Batch.EthBlockNum
649 lastForgeL1TxsNum = batchData.Batch.ForgeL1TxsNum
650 }
651 }
652 s.stats.UpdateSync(ethBlock,
653 &rollupData.Batches[batchesLen-1].Batch,
654 lastL1BatchBlock, lastForgeL1TxsNum)
655 }
656 hasBatch := false
657 if len(rollupData.Batches) > 0 {
658 hasBatch = true
659 }
660 if err := s.updateCurrentNextSlotIfSync(false, hasBatch); err != nil {
661 return nil, nil, tracerr.Wrap(err)
662 }
663
664 for _, batchData := range rollupData.Batches {
665 log.Debugw("Synced batch",
666 "syncLastBatch", batchData.Batch.BatchNum,
667 "syncBatchesPerc", s.stats.batchesPerc(batchData.Batch.BatchNum),
668 "ethLastBatch", s.stats.Eth.LastBatchNum,
669 )
670 }
671 log.Debugw("Synced block",
672 "syncLastBlockNum", s.stats.Sync.LastBlock.Num,
673 "syncBlocksPerc", s.stats.blocksPerc(),
674 "ethLastBlockNum", s.stats.Eth.LastBlock.Num,
675 )
676
677 return blockData, nil, nil
678}
679
680// reorg manages a reorg, updating History and State DB as needed. Keeps
681// checking previous blocks from the HistoryDB against the blockchain until a
682// block hash match is found. All future blocks in the HistoryDB and
683// corresponding batches in StateBD are discarded. Returns the last valid
684// blockNum from the HistoryDB.
685func (s *Synchronizer) reorg(uncleBlock *common.Block) (int64, error) {
686 blockNum := uncleBlock.Num
687
688 var block *common.Block
689 for blockNum >= s.startBlockNum {
690 ethBlock, err := s.ethClient.EthBlockByNumber(context.Background(), blockNum)
691 if err != nil {
692 return 0, tracerr.Wrap(fmt.Errorf("ethClient.EthBlockByNumber: %w", err))
693 }
694
695 block, err = s.historyDB.GetBlock(blockNum)
696 if err != nil {
697 return 0, tracerr.Wrap(fmt.Errorf("historyDB.GetBlock: %w", err))
698 }
699 if block.Hash == ethBlock.Hash {
700 log.Debugf("Found valid block: %v", blockNum)
701 break
702 }
703 blockNum--
704 }
705 total := uncleBlock.Num - block.Num
706 log.Debugw("Discarding blocks", "total", total, "from", uncleBlock.Num, "to", block.Num+1)
707
708 // Set History DB and State DB to the correct state
709 if err := s.historyDB.Reorg(block.Num); err != nil {
710 return 0, tracerr.Wrap(err)
711 }
712
713 if err := s.resetState(block); err != nil {
714 s.resetStateFailed = true
715 return 0, tracerr.Wrap(err)
716 }
717 s.resetStateFailed = false
718
719 return block.Num, nil
720}
721
722func getInitialVariables(ethClient eth.ClientInterface,
723 consts *SCConsts) (*SCVariables, *StartBlockNums, error) {
724 rollupInit, rollupInitBlock, err := ethClient.RollupEventInit()
725 if err != nil {
726 return nil, nil, tracerr.Wrap(fmt.Errorf("RollupEventInit: %w", err))
727 }
728 auctionInit, auctionInitBlock, err := ethClient.AuctionEventInit()
729 if err != nil {
730 return nil, nil, tracerr.Wrap(fmt.Errorf("AuctionEventInit: %w", err))
731 }
732 wDelayerInit, wDelayerInitBlock, err := ethClient.WDelayerEventInit()
733 if err != nil {
734 return nil, nil, tracerr.Wrap(fmt.Errorf("WDelayerEventInit: %w", err))
735 }
736 rollupVars := rollupInit.RollupVariables()
737 auctionVars := auctionInit.AuctionVariables(consts.Auction.InitialMinimalBidding)
738 wDelayerVars := wDelayerInit.WDelayerVariables()
739 return &SCVariables{
740 Rollup: *rollupVars,
741 Auction: *auctionVars,
742 WDelayer: *wDelayerVars,
743 }, &StartBlockNums{
744 Rollup: rollupInitBlock,
745 Auction: auctionInitBlock,
746 WDelayer: wDelayerInitBlock,
747 }, nil
748}
749
750func (s *Synchronizer) resetState(block *common.Block) error {
751 rollup, auction, wDelayer, err := s.historyDB.GetSCVars()
752 // If SCVars are not in the HistoryDB, this is probably the first run
753 // of the Synchronizer: store the initial vars taken from config
754 if tracerr.Unwrap(err) == sql.ErrNoRows {
755 vars := s.initVars
756 log.Info("Setting initial SCVars in HistoryDB")
757 if err = s.historyDB.SetInitialSCVars(&vars.Rollup, &vars.Auction, &vars.WDelayer); err != nil {
758 return tracerr.Wrap(fmt.Errorf("historyDB.SetInitialSCVars: %w", err))
759 }
760 s.vars.Rollup = *vars.Rollup.Copy()
761 s.vars.Auction = *vars.Auction.Copy()
762 s.vars.WDelayer = *vars.WDelayer.Copy()
763 // Add initial boot coordinator to HistoryDB
764 if err := s.historyDB.AddCoordinators([]common.Coordinator{{
765 Forger: s.initVars.Auction.BootCoordinator,
766 URL: s.initVars.Auction.BootCoordinatorURL,
767 EthBlockNum: s.initVars.Auction.EthBlockNum,
768 }}); err != nil {
769 return tracerr.Wrap(err)
770 }
771 } else if err != nil {
772 return tracerr.Wrap(err)
773 } else {
774 s.vars.Rollup = *rollup
775 s.vars.Auction = *auction
776 s.vars.WDelayer = *wDelayer
777 }
778
779 batch, err := s.historyDB.GetLastBatch()
780 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
781 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastBatchNum: %w", err))
782 }
783 if tracerr.Unwrap(err) == sql.ErrNoRows {
784 batch = &common.Batch{}
785 }
786
787 err = s.stateDB.Reset(batch.BatchNum)
788 if err != nil {
789 return tracerr.Wrap(fmt.Errorf("stateDB.Reset: %w", err))
790 }
791
792 lastL1BatchBlockNum, err := s.historyDB.GetLastL1BatchBlockNum()
793 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
794 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastL1BatchBlockNum: %w", err))
795 }
796 if tracerr.Unwrap(err) == sql.ErrNoRows {
797 lastL1BatchBlockNum = 0
798 }
799
800 lastForgeL1TxsNum, err := s.historyDB.GetLastL1TxsNum()
801 if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows {
802 return tracerr.Wrap(fmt.Errorf("historyDB.GetLastL1BatchBlockNum: %w", err))
803 }
804 if tracerr.Unwrap(err) == sql.ErrNoRows || lastForgeL1TxsNum == nil {
805 n := int64(-1)
806 lastForgeL1TxsNum = &n
807 }
808
809 s.stats.UpdateSync(block, batch, &lastL1BatchBlockNum, lastForgeL1TxsNum)
810
811 if err := s.updateCurrentNextSlotIfSync(true, false); err != nil {
812 return tracerr.Wrap(err)
813 }
814 return nil
815}
816
817// rollupSync retreives all the Rollup Smart Contract Data that happened at
818// ethBlock.blockNum with ethBlock.Hash.
819func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, error) {
820 blockNum := ethBlock.Num
821 var rollupData = common.NewRollupData()
822 // var forgeL1TxsNum int64
823
824 // Get rollup events in the block, and make sure the block hash matches
825 // the expected one.
826 rollupEvents, err := s.ethClient.RollupEventsByBlock(blockNum, ðBlock.Hash)
827 if err != nil && err.Error() == errStrUnknownBlock {
828 return nil, tracerr.Wrap(ErrUnknownBlock)
829 } else if err != nil {
830 return nil, tracerr.Wrap(fmt.Errorf("RollupEventsByBlock: %w", err))
831 }
832 // No events in this block
833 if rollupEvents == nil {
834 return &rollupData, nil
835 }
836
837 var nextForgeL1TxsNum int64 // forgeL1TxsNum for the next L1Batch
838 nextForgeL1TxsNumPtr, err := s.historyDB.GetLastL1TxsNum()
839 if err != nil {
840 return nil, tracerr.Wrap(err)
841 }
842 if nextForgeL1TxsNumPtr != nil {
843 nextForgeL1TxsNum = *nextForgeL1TxsNumPtr + 1
844 } else {
845 nextForgeL1TxsNum = 0
846 }
847
848 // Get L1UserTX
849 rollupData.L1UserTxs, err = getL1UserTx(rollupEvents.L1UserTx, blockNum)
850 if err != nil {
851 return nil, tracerr.Wrap(err)
852 }
853
854 // Get ForgeBatch events to get the L1CoordinatorTxs
855 for _, evtForgeBatch := range rollupEvents.ForgeBatch {
856 batchData := common.NewBatchData()
857 position := 0
858
859 // Get the input for each Tx
860 forgeBatchArgs, sender, err := s.ethClient.RollupForgeBatchArgs(evtForgeBatch.EthTxHash,
861 evtForgeBatch.L1UserTxsLen)
862 if err != nil {
863 return nil, tracerr.Wrap(fmt.Errorf("RollupForgeBatchArgs: %w", err))
864 }
865
866 batchNum := common.BatchNum(evtForgeBatch.BatchNum)
867 var l1UserTxs []common.L1Tx
868 // Check if this is a L1Batch to get L1 Tx from it
869 if forgeBatchArgs.L1Batch {
870 // Get L1UserTxs with toForgeL1TxsNum, which correspond
871 // to the L1UserTxs that are forged in this batch, so
872 // that stateDB can process them.
873
874 // First try to find them in HistoryDB.
875 l1UserTxs, err = s.historyDB.GetUnforgedL1UserTxs(nextForgeL1TxsNum)
876 if err != nil {
877 return nil, tracerr.Wrap(err)
878 }
879 // Apart from the DB, try to find them in this block.
880 // This could happen because in a block there could be
881 // multiple batches with L1Batch = true (although it's
882 // a very rare case). If not found in the DB and the
883 // block doesn't contain the l1UserTxs, it means that
884 // the L1UserTxs queue with toForgeL1TxsNum was closed
885 // empty, so we leave `l1UserTxs` as an empty slice.
886 for _, l1UserTx := range rollupData.L1UserTxs {
887 if *l1UserTx.ToForgeL1TxsNum == nextForgeL1TxsNum {
888 l1UserTxs = append(l1UserTxs, l1UserTx)
889 }
890 }
891
892 position = len(l1UserTxs)
893 }
894 // Get L1 Coordinator Txs
895 for i := range forgeBatchArgs.L1CoordinatorTxs {
896 l1CoordinatorTx := forgeBatchArgs.L1CoordinatorTxs[i]
897 l1CoordinatorTx.Position = position
898 // l1CoordinatorTx.ToForgeL1TxsNum = &forgeL1TxsNum
899 l1CoordinatorTx.UserOrigin = false
900 l1CoordinatorTx.EthBlockNum = blockNum
901 l1CoordinatorTx.BatchNum = &batchNum
902 l1Tx, err := common.NewL1Tx(&l1CoordinatorTx)
903 if err != nil {
904 return nil, tracerr.Wrap(err)
905 }
906
907 batchData.L1CoordinatorTxs = append(batchData.L1CoordinatorTxs, *l1Tx)
908 position++
909 // fmt.Println("DGB l1coordtx")
910 }
911
912 // Insert all the txs forged in this batch (l1UserTxs,
913 // L1CoordinatorTxs, PoolL2Txs) into stateDB so that they are
914 // processed.
915
916 // Set TxType to the forged L2Txs
917 for i := range forgeBatchArgs.L2TxsData {
918 if err := forgeBatchArgs.L2TxsData[i].SetType(); err != nil {
919 return nil, tracerr.Wrap(err)
920 }
921 }
922
923 // Transform L2 txs to PoolL2Txs
924 poolL2Txs := common.L2TxsToPoolL2Txs(forgeBatchArgs.L2TxsData) // NOTE: This is a big ugly, find a better way
925
926 if int(forgeBatchArgs.VerifierIdx) >= len(s.consts.Rollup.Verifiers) {
927 return nil, tracerr.Wrap(fmt.Errorf("forgeBatchArgs.VerifierIdx (%v) >= "+
928 " len(s.consts.Rollup.Verifiers) (%v)",
929 forgeBatchArgs.VerifierIdx, len(s.consts.Rollup.Verifiers)))
930 }
931 tpc := txprocessor.Config{
932 NLevels: uint32(s.consts.Rollup.Verifiers[forgeBatchArgs.VerifierIdx].NLevels),
933 MaxTx: uint32(s.consts.Rollup.Verifiers[forgeBatchArgs.VerifierIdx].MaxTx),
934 ChainID: s.cfg.ChainID,
935 MaxFeeTx: common.RollupConstMaxFeeIdxCoordinator,
936 MaxL1Tx: common.RollupConstMaxL1Tx,
937 }
938 tp := txprocessor.NewTxProcessor(s.stateDB, tpc)
939
940 // ProcessTxs updates poolL2Txs adding: Nonce (and also TokenID, but we don't use it).
941 processTxsOut, err := tp.ProcessTxs(forgeBatchArgs.FeeIdxCoordinator,
942 l1UserTxs, batchData.L1CoordinatorTxs, poolL2Txs)
943 if err != nil {
944 return nil, tracerr.Wrap(err)
945 }
946 if s.stateDB.CurrentBatch() != batchNum {
947 return nil, tracerr.Wrap(fmt.Errorf("stateDB.BatchNum (%v) != "+
948 "evtForgeBatch.BatchNum = (%v)",
949 s.stateDB.CurrentBatch(), batchNum))
950 }
951 if s.stateDB.MT.Root().BigInt().Cmp(forgeBatchArgs.NewStRoot) != 0 {
952 return nil, tracerr.Wrap(fmt.Errorf("stateDB.MTRoot (%v) != "+
953 "forgeBatchArgs.NewStRoot (%v)",
954 s.stateDB.MT.Root().BigInt(), forgeBatchArgs.NewStRoot))
955 }
956
957 // Transform processed PoolL2 txs to L2 and store in BatchData
958 l2Txs, err := common.PoolL2TxsToL2Txs(poolL2Txs) // NOTE: This is a big uggly, find a better way
959 if err != nil {
960 return nil, tracerr.Wrap(err)
961 }
962
963 // Set TxID, BlockNum, BatchNum and Position to the forged L2Txs
964 for i := range l2Txs {
965 if err := l2Txs[i].SetID(); err != nil {
966 return nil, tracerr.Wrap(err)
967 }
968 l2Txs[i].EthBlockNum = blockNum
969 l2Txs[i].BatchNum = batchNum
970 l2Txs[i].Position = position
971 position++
972 }
973 batchData.L2Txs = l2Txs
974
975 // Set the BatchNum in the forged L1UserTxs
976 for i := range l1UserTxs {
977 l1UserTxs[i].BatchNum = &batchNum
978 }
979 batchData.L1UserTxs = l1UserTxs
980
981 // Set batchNum in exits
982 for i := range processTxsOut.ExitInfos {
983 exit := &processTxsOut.ExitInfos[i]
984 exit.BatchNum = batchNum
985 }
986 batchData.ExitTree = processTxsOut.ExitInfos
987
988 for i := range processTxsOut.CreatedAccounts {
989 createdAccount := &processTxsOut.CreatedAccounts[i]
990 createdAccount.Nonce = 0
991 createdAccount.Balance = big.NewInt(0)
992 createdAccount.BatchNum = batchNum
993 }
994 batchData.CreatedAccounts = processTxsOut.CreatedAccounts
995
996 slotNum := int64(0)
997 if ethBlock.Num >= s.consts.Auction.GenesisBlockNum {
998 slotNum = (ethBlock.Num - s.consts.Auction.GenesisBlockNum) /
999 int64(s.consts.Auction.BlocksPerSlot)
1000 }
1001
1002 // Get Batch information
1003 batch := common.Batch{
1004 BatchNum: batchNum,
1005 EthBlockNum: blockNum,
1006 ForgerAddr: *sender,
1007 CollectedFees: processTxsOut.CollectedFees,
1008 FeeIdxsCoordinator: forgeBatchArgs.FeeIdxCoordinator,
1009 StateRoot: forgeBatchArgs.NewStRoot,
1010 NumAccounts: len(batchData.CreatedAccounts),
1011 LastIdx: forgeBatchArgs.NewLastIdx,
1012 ExitRoot: forgeBatchArgs.NewExitRoot,
1013 SlotNum: slotNum,
1014 }
1015 nextForgeL1TxsNumCpy := nextForgeL1TxsNum
1016 if forgeBatchArgs.L1Batch {
1017 batch.ForgeL1TxsNum = &nextForgeL1TxsNumCpy
1018 batchData.L1Batch = true
1019 nextForgeL1TxsNum++
1020 }
1021 batchData.Batch = batch
1022 rollupData.Batches = append(rollupData.Batches, *batchData)
1023 }
1024
1025 // Get Registered Tokens
1026 for _, evtAddToken := range rollupEvents.AddToken {
1027 var token common.Token
1028
1029 token.TokenID = common.TokenID(evtAddToken.TokenID)
1030 token.EthAddr = evtAddToken.TokenAddress
1031 token.EthBlockNum = blockNum
1032
1033 if consts, err := s.ethClient.EthERC20Consts(evtAddToken.TokenAddress); err != nil {
1034 log.Warnw("Error retreiving ERC20 token constants", "addr", evtAddToken.TokenAddress)
1035 token.Name = "ERC20_ETH_ERROR"
1036 token.Symbol = "ERROR"
1037 token.Decimals = 1
1038 } else {
1039 token.Name = cutStringMax(consts.Name, 20)
1040 token.Symbol = cutStringMax(consts.Symbol, 10)
1041 token.Decimals = consts.Decimals
1042 }
1043
1044 rollupData.AddedTokens = append(rollupData.AddedTokens, token)
1045 }
1046
1047 for _, evt := range rollupEvents.UpdateBucketWithdraw {
1048 rollupData.UpdateBucketWithdraw = append(rollupData.UpdateBucketWithdraw,
1049 common.BucketUpdate{
1050 EthBlockNum: blockNum,
1051 NumBucket: evt.NumBucket,
1052 BlockStamp: evt.BlockStamp,
1053 Withdrawals: evt.Withdrawals,
1054 })
1055 }
1056
1057 for _, evt := range rollupEvents.Withdraw {
1058 rollupData.Withdrawals = append(rollupData.Withdrawals, common.WithdrawInfo{
1059 Idx: common.Idx(evt.Idx),
1060 NumExitRoot: common.BatchNum(evt.NumExitRoot),
1061 InstantWithdraw: evt.InstantWithdraw,
1062 TxHash: evt.TxHash,
1063 })
1064 }
1065
1066 for _, evt := range rollupEvents.UpdateTokenExchange {
1067 if len(evt.AddressArray) != len(evt.ValueArray) {
1068 return nil, tracerr.Wrap(fmt.Errorf("in RollupEventUpdateTokenExchange "+
1069 "len(AddressArray) != len(ValueArray) (%v != %v)",
1070 len(evt.AddressArray), len(evt.ValueArray)))
1071 }
1072 for i := range evt.AddressArray {
1073 rollupData.TokenExchanges = append(rollupData.TokenExchanges,
1074 common.TokenExchange{
1075 EthBlockNum: blockNum,
1076 Address: evt.AddressArray[i],
1077 ValueUSD: int64(evt.ValueArray[i]),
1078 })
1079 }
1080 }
1081
1082 varsUpdate := false
1083
1084 for _, evt := range rollupEvents.UpdateForgeL1L2BatchTimeout {
1085 s.vars.Rollup.ForgeL1L2BatchTimeout = evt.NewForgeL1L2BatchTimeout
1086 varsUpdate = true
1087 }
1088
1089 for _, evt := range rollupEvents.UpdateFeeAddToken {
1090 s.vars.Rollup.FeeAddToken = evt.NewFeeAddToken
1091 varsUpdate = true
1092 }
1093
1094 for _, evt := range rollupEvents.UpdateWithdrawalDelay {
1095 s.vars.Rollup.WithdrawalDelay = evt.NewWithdrawalDelay
1096 varsUpdate = true
1097 }
1098
1099 // NOTE: We skip the event rollupEvents.SafeMode because the
1100 // implementation RollupEventsByBlock already inserts a non-existing
1101 // RollupEventUpdateBucketsParameters into UpdateBucketsParameters with
1102 // all the bucket values at 0 and SafeMode = true
1103
1104 for _, evt := range rollupEvents.UpdateBucketsParameters {
1105 for i, bucket := range evt.ArrayBuckets {
1106 s.vars.Rollup.Buckets[i] = common.BucketParams{
1107 CeilUSD: bucket.CeilUSD,
1108 Withdrawals: bucket.Withdrawals,
1109 BlockWithdrawalRate: bucket.BlockWithdrawalRate,
1110 MaxWithdrawals: bucket.MaxWithdrawals,
1111 }
1112 }
1113 s.vars.Rollup.SafeMode = evt.SafeMode
1114 varsUpdate = true
1115 }
1116
1117 if varsUpdate {
1118 s.vars.Rollup.EthBlockNum = blockNum
1119 rollupData.Vars = s.vars.Rollup.Copy()
1120 }
1121
1122 return &rollupData, nil
1123}
1124
1125func cutStringMax(s string, max int) string {
1126 if len(s) > max {
1127 return s[:max]
1128 }
1129 return s
1130}
1131
1132// auctionSync gets information from the Auction Contract
1133func (s *Synchronizer) auctionSync(ethBlock *common.Block) (*common.AuctionData, error) {
1134 blockNum := ethBlock.Num
1135 var auctionData = common.NewAuctionData()
1136
1137 // Get auction events in the block
1138 auctionEvents, err := s.ethClient.AuctionEventsByBlock(blockNum, ðBlock.Hash)
1139 if err != nil && err.Error() == errStrUnknownBlock {
1140 return nil, tracerr.Wrap(ErrUnknownBlock)
1141 } else if err != nil {
1142 return nil, tracerr.Wrap(fmt.Errorf("AuctionEventsByBlock: %w", err))
1143 }
1144 // No events in this block
1145 if auctionEvents == nil {
1146 return &auctionData, nil
1147 }
1148
1149 // Get bids
1150 for _, evt := range auctionEvents.NewBid {
1151 bid := common.Bid{
1152 SlotNum: evt.Slot,
1153 BidValue: evt.BidAmount,
1154 Bidder: evt.Bidder,
1155 EthBlockNum: blockNum,
1156 }
1157 auctionData.Bids = append(auctionData.Bids, bid)
1158 }
1159
1160 // Get Coordinators
1161 for _, evt := range auctionEvents.SetCoordinator {
1162 coordinator := common.Coordinator{
1163 Bidder: evt.BidderAddress,
1164 Forger: evt.ForgerAddress,
1165 URL: evt.CoordinatorURL,
1166 EthBlockNum: blockNum,
1167 }
1168 auctionData.Coordinators = append(auctionData.Coordinators, coordinator)
1169 }
1170
1171 varsUpdate := false
1172
1173 for _, evt := range auctionEvents.NewSlotDeadline {
1174 s.vars.Auction.SlotDeadline = evt.NewSlotDeadline
1175 varsUpdate = true
1176 }
1177 for _, evt := range auctionEvents.NewClosedAuctionSlots {
1178 s.vars.Auction.ClosedAuctionSlots = evt.NewClosedAuctionSlots
1179 varsUpdate = true
1180 }
1181 for _, evt := range auctionEvents.NewOutbidding {
1182 s.vars.Auction.Outbidding = evt.NewOutbidding
1183 varsUpdate = true
1184 }
1185 for _, evt := range auctionEvents.NewDonationAddress {
1186 s.vars.Auction.DonationAddress = evt.NewDonationAddress
1187 varsUpdate = true
1188 }
1189 for _, evt := range auctionEvents.NewBootCoordinator {
1190 s.vars.Auction.BootCoordinator = evt.NewBootCoordinator
1191 s.vars.Auction.BootCoordinatorURL = evt.NewBootCoordinatorURL
1192 varsUpdate = true
1193 // Add new boot coordinator
1194 auctionData.Coordinators = append(auctionData.Coordinators, common.Coordinator{
1195 Forger: evt.NewBootCoordinator,
1196 URL: evt.NewBootCoordinatorURL,
1197 EthBlockNum: blockNum,
1198 })
1199 }
1200 for _, evt := range auctionEvents.NewOpenAuctionSlots {
1201 s.vars.Auction.OpenAuctionSlots = evt.NewOpenAuctionSlots
1202 varsUpdate = true
1203 }
1204 for _, evt := range auctionEvents.NewAllocationRatio {
1205 s.vars.Auction.AllocationRatio = evt.NewAllocationRatio
1206 varsUpdate = true
1207 }
1208 for _, evt := range auctionEvents.NewDefaultSlotSetBid {
1209 if evt.SlotSet > 6 { //nolint:gomnd
1210 return nil, tracerr.Wrap(fmt.Errorf("unexpected SlotSet in "+
1211 "auctionEvents.NewDefaultSlotSetBid: %v", evt.SlotSet))
1212 }
1213 s.vars.Auction.DefaultSlotSetBid[evt.SlotSet] = evt.NewInitialMinBid
1214 s.vars.Auction.DefaultSlotSetBidSlotNum = s.consts.Auction.SlotNum(blockNum) +
1215 int64(s.vars.Auction.ClosedAuctionSlots)
1216 varsUpdate = true
1217 }
1218
1219 // NOTE: We ignore NewForgeAllocated
1220 // NOTE: We ignore NewForge because we're already tracking ForgeBatch event from Rollup
1221 // NOTE: We ignore HEZClaimed
1222
1223 if varsUpdate {
1224 s.vars.Auction.EthBlockNum = blockNum
1225 auctionData.Vars = s.vars.Auction.Copy()
1226 }
1227
1228 return &auctionData, nil
1229}
1230
1231// wdelayerSync gets information from the Withdrawal Delayer Contract
1232func (s *Synchronizer) wdelayerSync(ethBlock *common.Block) (*common.WDelayerData, error) {
1233 blockNum := ethBlock.Num
1234 wDelayerData := common.NewWDelayerData()
1235
1236 // Get wDelayer events in the block
1237 wDelayerEvents, err := s.ethClient.WDelayerEventsByBlock(blockNum, ðBlock.Hash)
1238 if err != nil && err.Error() == errStrUnknownBlock {
1239 return nil, tracerr.Wrap(ErrUnknownBlock)
1240 } else if err != nil {
1241 return nil, tracerr.Wrap(fmt.Errorf("WDelayerEventsByBlock: %w", err))
1242 }
1243 // No events in this block
1244 if wDelayerEvents == nil {
1245 return &wDelayerData, nil
1246 }
1247
1248 for _, evt := range wDelayerEvents.Deposit {
1249 wDelayerData.Deposits = append(wDelayerData.Deposits, common.WDelayerTransfer{
1250 Owner: evt.Owner,
1251 Token: evt.Token,
1252 Amount: evt.Amount,
1253 })
1254 wDelayerData.DepositsByTxHash[evt.TxHash] =
1255 append(wDelayerData.DepositsByTxHash[evt.TxHash],
1256 &wDelayerData.Deposits[len(wDelayerData.Deposits)-1])
1257 }
1258 for _, evt := range wDelayerEvents.Withdraw {
1259 wDelayerData.Withdrawals = append(wDelayerData.Withdrawals, common.WDelayerTransfer{
1260 Owner: evt.Owner,
1261 Token: evt.Token,
1262 Amount: evt.Amount,
1263 })
1264 }
1265 for _, evt := range wDelayerEvents.EscapeHatchWithdrawal {
1266 wDelayerData.EscapeHatchWithdrawals = append(wDelayerData.EscapeHatchWithdrawals,
1267 common.WDelayerEscapeHatchWithdrawal{
1268 EthBlockNum: blockNum,
1269 Who: evt.Who,
1270 To: evt.To,
1271 TokenAddr: evt.Token,
1272 Amount: evt.Amount,
1273 })
1274 }
1275
1276 varsUpdate := false
1277
1278 for range wDelayerEvents.EmergencyModeEnabled {
1279 s.vars.WDelayer.EmergencyMode = true
1280 s.vars.WDelayer.EmergencyModeStartingBlock = blockNum
1281 varsUpdate = true
1282 }
1283 for _, evt := range wDelayerEvents.NewWithdrawalDelay {
1284 s.vars.WDelayer.WithdrawalDelay = evt.WithdrawalDelay
1285 varsUpdate = true
1286 }
1287 for _, evt := range wDelayerEvents.NewEmergencyCouncil {
1288 s.vars.WDelayer.EmergencyCouncilAddress = evt.NewEmergencyCouncil
1289 varsUpdate = true
1290 }
1291 for _, evt := range wDelayerEvents.NewHermezGovernanceAddress {
1292 s.vars.WDelayer.HermezGovernanceAddress = evt.NewHermezGovernanceAddress
1293 varsUpdate = true
1294 }
1295
1296 if varsUpdate {
1297 s.vars.WDelayer.EthBlockNum = blockNum
1298 wDelayerData.Vars = s.vars.WDelayer.Copy()
1299 }
1300
1301 return &wDelayerData, nil
1302}
1303
1304func getL1UserTx(eventsL1UserTx []eth.RollupEventL1UserTx, blockNum int64) ([]common.L1Tx, error) {
1305 l1Txs := make([]common.L1Tx, len(eventsL1UserTx))
1306 for i := range eventsL1UserTx {
1307 eventsL1UserTx[i].L1UserTx.EthBlockNum = blockNum
1308 // Check validity of L1UserTx
1309 l1Tx, err := common.NewL1Tx(&eventsL1UserTx[i].L1UserTx)
1310 if err != nil {
1311 return nil, tracerr.Wrap(err)
1312 }
1313 l1Txs[i] = *l1Tx
1314 }
1315 return l1Txs, nil
1316}