hermez-node/synchronizer/synchronizer.go
synchronizer/synchronizer.goRaw
1package synchronizer
2
3import (
4 "context"
5 "database/sql"
6 "fmt"
7 "math/big"
8
9 "github.com/ethereum/go-ethereum"
10 "github.com/hermeznetwork/hermez-node/common"
11 "github.com/hermeznetwork/hermez-node/db/historydb"
12 "github.com/hermeznetwork/hermez-node/db/statedb"
13 "github.com/hermeznetwork/hermez-node/eth"
14 "github.com/hermeznetwork/hermez-node/log"
15)
16
17var (
18// ErrNotAbleToSync is used when there is not possible to find a valid block to sync
19// ErrNotAbleToSync = errors.New("it has not been possible to synchronize any block")
20)
21
22// // SyncronizerState describes the synchronization progress of the smart contracts
23// type SyncronizerState struct {
24// LastUpdate time.Time // last time this information was updated
25// CurrentBatchNum BatchNum // Last batch that was forged on the blockchain
26// CurrentBlockNum uint64 // Last block that was mined on Ethereum
27// CurrentToForgeL1TxsNum uint32
28// LastSyncedBatchNum BatchNum // last batch synchronized by the coordinator
29// LastSyncedBlockNum uint64 // last Ethereum block synchronized by the coordinator
30// LastSyncedToForgeL1TxsNum uint32
31// }
32
33// // SyncStatus is returned by the Status method of the Synchronizer
34// type SyncStatus struct {
35// CurrentBlock int64
36// CurrentBatch BatchNum
37// CurrentForgerAddr ethCommon.Address
38// NextForgerAddr ethCommon.Address
39// Synchronized bool
40// }
41
42// ConfigStartBlockNum sets the first block used to start tracking the smart
43// contracts
44type ConfigStartBlockNum struct {
45 Rollup int64 `validate:"required"`
46 Auction int64 `validate:"required"`
47 WDelayer int64 `validate:"required"`
48}
49
50// SCVariables joins all the smart contract variables in a single struct
51type SCVariables struct {
52 Rollup common.RollupVariables `validate:"required"`
53 Auction common.AuctionVariables `validate:"required"`
54 WDelayer common.WDelayerVariables `validate:"required"`
55}
56
57// Config is the Synchronizer configuration
58type Config struct {
59 StartBlockNum ConfigStartBlockNum
60 InitialVariables SCVariables
61}
62
63// Synchronizer implements the Synchronizer type
64type Synchronizer struct {
65 ethClient eth.ClientInterface
66 auctionConstants common.AuctionConstants
67 rollupConstants common.RollupConstants
68 wDelayerConstants common.WDelayerConstants
69 historyDB *historydb.HistoryDB
70 stateDB *statedb.StateDB
71 cfg Config
72 startBlockNum int64
73 vars SCVariables
74 // firstSavedBlock *common.Block
75 // mux sync.Mutex
76}
77
78// NewSynchronizer creates a new Synchronizer
79func NewSynchronizer(ethClient eth.ClientInterface, historyDB *historydb.HistoryDB,
80 stateDB *statedb.StateDB, cfg Config) (*Synchronizer, error) {
81 auctionConstants, err := ethClient.AuctionConstants()
82 if err != nil {
83 log.Errorw("NewSynchronizer ethClient.AuctionConstants()", "err", err)
84 return nil, err
85 }
86 rollupConstants, err := ethClient.RollupConstants()
87 if err != nil {
88 log.Errorw("NewSynchronizer ethClient.RollupConstants()", "err", err)
89 return nil, err
90 }
91 wDelayerConstants, err := ethClient.WDelayerConstants()
92 if err != nil {
93 log.Errorw("NewSynchronizer ethClient.WDelayerConstants()", "err", err)
94 return nil, err
95 }
96
97 // Set startBlockNum to the minimum between Auction, Rollup and
98 // WDelayer StartBlockNum
99 startBlockNum := cfg.StartBlockNum.Auction
100 if startBlockNum < cfg.StartBlockNum.Rollup {
101 startBlockNum = cfg.StartBlockNum.Rollup
102 }
103 if startBlockNum < cfg.StartBlockNum.WDelayer {
104 startBlockNum = cfg.StartBlockNum.WDelayer
105 }
106 s := &Synchronizer{
107 ethClient: ethClient,
108 auctionConstants: *auctionConstants,
109 rollupConstants: *rollupConstants,
110 wDelayerConstants: *wDelayerConstants,
111 historyDB: historyDB,
112 stateDB: stateDB,
113 cfg: cfg,
114 startBlockNum: startBlockNum,
115 }
116 return s, s.init()
117}
118
119// AuctionConstants returns the AuctionConstants read from the smart contract
120func (s *Synchronizer) AuctionConstants() *common.AuctionConstants {
121 return &s.auctionConstants
122}
123
124// RollupConstants returns the RollupConstants read from the smart contract
125func (s *Synchronizer) RollupConstants() *common.RollupConstants {
126 return &s.rollupConstants
127}
128
129// WDelayerConstants returns the WDelayerConstants read from the smart contract
130func (s *Synchronizer) WDelayerConstants() *common.WDelayerConstants {
131 return &s.wDelayerConstants
132}
133
134func (s *Synchronizer) init() error {
135 rollup, auction, wDelayer, err := s.historyDB.GetSCVars()
136 if err == sql.ErrNoRows {
137 rollup = &s.cfg.InitialVariables.Rollup
138 auction = &s.cfg.InitialVariables.Auction
139 wDelayer = &s.cfg.InitialVariables.WDelayer
140 log.Debug("Setting initial SCVars in HistoryDB")
141 if err = s.historyDB.SetInitialSCVars(rollup, auction, wDelayer); err != nil {
142 return err
143 }
144 }
145 s.vars.Rollup = *rollup
146 s.vars.Auction = *auction
147 s.vars.WDelayer = *wDelayer
148 return nil
149}
150
151// Sync2 attems to synchronize an ethereum block starting from lastSavedBlock.
152// If lastSavedBlock is nil, the lastSavedBlock value is obtained from de DB.
153// If a block is synched, it will be returned and also stored in the DB. If a
154// reorg is detected, the number of discarded blocks will be returned and no
155// synchronization will be made.
156// TODO: Be smart about locking: only lock during the read/write operations
157func (s *Synchronizer) Sync2(ctx context.Context, lastSavedBlock *common.Block) (*common.BlockData, *int64, error) {
158 var nextBlockNum int64 // next block number to sync
159 if lastSavedBlock == nil {
160 var err error
161 // Get lastSavedBlock from History DB
162 lastSavedBlock, err = s.historyDB.GetLastBlock()
163 if err != nil && err != sql.ErrNoRows {
164 return nil, nil, err
165 }
166 // If we don't have any stored block, we must do a full sync
167 // starting from the startBlockNum
168 if err == sql.ErrNoRows || lastSavedBlock.EthBlockNum == 0 {
169 nextBlockNum = s.startBlockNum
170 lastSavedBlock = nil
171 }
172 }
173 if lastSavedBlock != nil {
174 nextBlockNum = lastSavedBlock.EthBlockNum + 1
175 }
176
177 ethBlock, err := s.ethClient.EthBlockByNumber(ctx, nextBlockNum)
178 if err == ethereum.NotFound {
179 return nil, nil, nil
180 } else if err != nil {
181 return nil, nil, err
182 }
183 log.Debugf("ethBlock: num: %v, parent: %v, hash: %v", ethBlock.EthBlockNum, ethBlock.ParentHash.String(), ethBlock.Hash.String())
184
185 log.Debugw("Syncing...", "block", nextBlockNum)
186
187 // Check that the obtianed ethBlock.ParentHash == prevEthBlock.Hash; if not, reorg!
188 if lastSavedBlock != nil {
189 if lastSavedBlock.Hash != ethBlock.ParentHash {
190 // Reorg detected
191 log.Debugw("Reorg Detected",
192 "blockNum", ethBlock.EthBlockNum,
193 "block.parent(got)", ethBlock.ParentHash, "parent.hash(exp)", lastSavedBlock.Hash)
194 lastDBBlockNum, err := s.reorg(lastSavedBlock)
195 if err != nil {
196 return nil, nil, err
197 }
198 discarded := lastSavedBlock.EthBlockNum - lastDBBlockNum
199 return nil, &discarded, nil
200 }
201 }
202
203 // Get data from the rollup contract
204 rollupData, err := s.rollupSync(ethBlock)
205 if err != nil {
206 return nil, nil, err
207 }
208
209 // Get data from the auction contract
210 auctionData, err := s.auctionSync(ethBlock)
211 if err != nil {
212 return nil, nil, err
213 }
214
215 // Get data from the WithdrawalDelayer contract
216 wdelayerData, err := s.wdelayerSync(ethBlock)
217 if err != nil {
218 return nil, nil, err
219 }
220
221 // Group all the block data into the structs to save into HistoryDB
222 blockData := common.BlockData{
223 Block: *ethBlock,
224 Rollup: *rollupData,
225 Auction: *auctionData,
226 WDelayer: *wdelayerData,
227 }
228
229 // log.Debugw("Sync()", "block", blockData)
230 // err = s.historyDB.AddBlock(blockData.Block)
231 // if err != nil {
232 // return err
233 // }
234 err = s.historyDB.AddBlockSCData(&blockData)
235 if err != nil {
236 return nil, nil, err
237 }
238
239 return &blockData, nil, nil
240}
241
242// reorg manages a reorg, updating History and State DB as needed. Keeps
243// checking previous blocks from the HistoryDB against the blockchain until a
244// block hash match is found. All future blocks in the HistoryDB and
245// corresponding batches in StateBD are discarded. Returns the last valid
246// blockNum from the HistoryDB.
247func (s *Synchronizer) reorg(uncleBlock *common.Block) (int64, error) {
248 blockNum := uncleBlock.EthBlockNum
249
250 for blockNum >= s.startBlockNum {
251 ethBlock, err := s.ethClient.EthBlockByNumber(context.Background(), blockNum)
252 if err != nil {
253 return 0, err
254 }
255
256 block, err := s.historyDB.GetBlock(blockNum)
257 if err != nil {
258 return 0, err
259 }
260 if block.Hash == ethBlock.Hash {
261 log.Debugf("Found valid block: %v", blockNum)
262 break
263 }
264 blockNum--
265 }
266 total := uncleBlock.EthBlockNum - blockNum
267 log.Debugw("Discarding blocks", "total", total, "from", uncleBlock.EthBlockNum, "to", blockNum+1)
268
269 // Set History DB and State DB to the correct state
270 err := s.historyDB.Reorg(blockNum)
271 if err != nil {
272 return 0, err
273 }
274
275 batchNum, err := s.historyDB.GetLastBatchNum()
276 if err != nil && err != sql.ErrNoRows {
277 return 0, err
278 }
279 if batchNum != 0 {
280 err = s.stateDB.Reset(batchNum)
281 if err != nil {
282 return 0, err
283 }
284 }
285
286 return blockNum, nil
287}
288
289// TODO: Figure out who will use the Status output, and only return what's strictly need
290/*
291// Status returns current status values from the Synchronizer
292func (s *Synchronizer) Status() (*common.SyncStatus, error) {
293 // Avoid possible inconsistencies
294 s.mux.Lock()
295 defer s.mux.Unlock()
296
297 var status *common.SyncStatus
298
299 // TODO: Join all queries to the DB into a single transaction so that
300 // we can remove the mutex locking here:
301 // - HistoryDB.GetLastBlock
302 // - HistoryDB.GetLastBatchNum
303 // - HistoryDB.GetCurrentForgerAddr
304 // - HistoryDB.GetNextForgerAddr
305
306 // Get latest block in History DB
307 lastSavedBlock, err := s.historyDB.GetLastBlock()
308 if err != nil {
309 return nil, err
310 }
311 status.CurrentBlock = lastSavedBlock.EthBlockNum
312
313 // Get latest batch in History DB
314 lastSavedBatch, err := s.historyDB.GetLastBatchNum()
315 if err != nil && err != sql.ErrNoRows {
316 return nil, err
317 }
318 status.CurrentBatch = lastSavedBatch
319
320 // Get latest blockNum in blockchain
321 latestBlockNum, err := s.ethClient.EthCurrentBlock()
322 if err != nil {
323 return nil, err
324 }
325
326 // TODO: Get CurrentForgerAddr & NextForgerAddr from the Auction SC / Or from the HistoryDB
327
328 // Check if Synchronizer is synchronized
329 status.Synchronized = status.CurrentBlock == latestBlockNum
330 return status, nil
331}
332*/
333
334// rollupSync retreives all the Rollup Smart Contract Data that happened at
335// ethBlock.blockNum with ethBlock.Hash.
336func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, error) {
337 blockNum := ethBlock.EthBlockNum
338 var rollupData = common.NewRollupData()
339 // var forgeL1TxsNum int64
340
341 // Get rollup events in the block, and make sure the block hash matches
342 // the expected one.
343 rollupEvents, blockHash, err := s.ethClient.RollupEventsByBlock(blockNum)
344 if err != nil {
345 return nil, err
346 }
347 // No events in this block
348 if blockHash == nil {
349 return &rollupData, nil
350 }
351 if *blockHash != ethBlock.Hash {
352 log.Errorw("Block hash mismatch in Rollup events", "expected", ethBlock.Hash.String(),
353 "got", blockHash.String())
354 return nil, eth.ErrBlockHashMismatchEvent
355 }
356
357 var nextForgeL1TxsNum int64 // forgeL1TxsNum for the next L1Batch
358 nextForgeL1TxsNumPtr, err := s.historyDB.GetLastL1TxsNum()
359 if err != nil {
360 return nil, err
361 }
362 if nextForgeL1TxsNumPtr != nil {
363 nextForgeL1TxsNum = *nextForgeL1TxsNumPtr + 1
364 } else {
365 nextForgeL1TxsNum = 0
366 }
367
368 // Get L1UserTX
369 rollupData.L1UserTxs, err = getL1UserTx(rollupEvents.L1UserTx, blockNum)
370 if err != nil {
371 return nil, err
372 }
373
374 // Get ForgeBatch events to get the L1CoordinatorTxs
375 for _, evtForgeBatch := range rollupEvents.ForgeBatch {
376 batchData := common.NewBatchData()
377 position := 0
378
379 // Get the input for each Tx
380 forgeBatchArgs, sender, err := s.ethClient.RollupForgeBatchArgs(evtForgeBatch.EthTxHash)
381 if err != nil {
382 return nil, err
383 }
384
385 batchNum := common.BatchNum(evtForgeBatch.BatchNum)
386 var l1UserTxs []common.L1Tx
387 // Check if this is a L1Batch to get L1 Tx from it
388 if forgeBatchArgs.L1Batch {
389 // Get L1UserTxs with toForgeL1TxsNum, which correspond
390 // to the L1UserTxs that are forged in this batch, so
391 // that stateDB can process them.
392
393 // First try to find them in HistoryDB.
394 l1UserTxs, err = s.historyDB.GetL1UserTxs(nextForgeL1TxsNum)
395 if err != nil {
396 return nil, err
397 }
398 // Apart from the DB, try to find them in this block.
399 // This could happen because in a block there could be
400 // multiple batches with L1Batch = true (although it's
401 // a very rare case). If not found in the DB and the
402 // block doesn't contain the l1UserTxs, it means that
403 // the L1UserTxs queue with toForgeL1TxsNum was closed
404 // empty, so we leave `l1UserTxs` as an empty slice.
405 for _, l1UserTx := range rollupData.L1UserTxs {
406 if *l1UserTx.ToForgeL1TxsNum == nextForgeL1TxsNum {
407 l1UserTxs = append(l1UserTxs, l1UserTx)
408 }
409 }
410
411 position = len(l1UserTxs)
412 }
413 // Get L1 Coordinator Txs
414 for i := range forgeBatchArgs.L1CoordinatorTxs {
415 l1CoordinatorTx := forgeBatchArgs.L1CoordinatorTxs[i]
416 l1CoordinatorTx.Position = position
417 // l1CoordinatorTx.ToForgeL1TxsNum = &forgeL1TxsNum
418 l1CoordinatorTx.UserOrigin = false
419 l1CoordinatorTx.EthBlockNum = blockNum
420 l1CoordinatorTx.BatchNum = &batchNum
421 l1Tx, err := common.NewL1Tx(&l1CoordinatorTx)
422 if err != nil {
423 return nil, err
424 }
425
426 batchData.L1CoordinatorTxs = append(batchData.L1CoordinatorTxs, *l1Tx)
427 position++
428 // fmt.Println("DGB l1coordtx")
429 }
430
431 // Insert all the txs forged in this batch (l1UserTxs,
432 // L1CoordinatorTxs, PoolL2Txs) into stateDB so that they are
433 // processed.
434 poolL2Txs := common.L2TxsToPoolL2Txs(forgeBatchArgs.L2TxsData) // NOTE: This is a big ugly, find a better way
435
436 // ProcessTxs updates poolL2Txs adding: Nonce (and also TokenID, but we don't use it).
437 processTxsOut, err := s.stateDB.ProcessTxs(forgeBatchArgs.FeeIdxCoordinator, l1UserTxs,
438 batchData.L1CoordinatorTxs, poolL2Txs)
439 if err != nil {
440 return nil, err
441 }
442
443 // Set batchNum in exits
444 for i := range processTxsOut.ExitInfos {
445 exit := &processTxsOut.ExitInfos[i]
446 exit.BatchNum = batchNum
447 }
448 batchData.ExitTree = processTxsOut.ExitInfos
449
450 l2Txs, err := common.PoolL2TxsToL2Txs(poolL2Txs) // NOTE: This is a big uggly, find a better way
451 if err != nil {
452 return nil, err
453 }
454
455 for i := range l2Txs {
456 tx := &l2Txs[i]
457 tx.Position = position
458 tx.EthBlockNum = blockNum
459 tx.BatchNum = batchNum
460 nTx, err := common.NewL2Tx(tx)
461 if err != nil {
462 return nil, err
463 }
464
465 batchData.L2Txs = append(batchData.L2Txs, *nTx)
466 position++
467 }
468
469 for i := range processTxsOut.CreatedAccounts {
470 createdAccount := &processTxsOut.CreatedAccounts[i]
471 createdAccount.Nonce = 0
472 createdAccount.Balance = big.NewInt(0)
473 createdAccount.BatchNum = batchNum
474 }
475 batchData.CreatedAccounts = processTxsOut.CreatedAccounts
476
477 slotNum := int64(0)
478 if ethBlock.EthBlockNum >= s.auctionConstants.GenesisBlockNum {
479 slotNum = (ethBlock.EthBlockNum - s.auctionConstants.GenesisBlockNum) /
480 int64(s.auctionConstants.BlocksPerSlot)
481 }
482
483 // Get Batch information
484 // fmt.Printf("DBG: %#v\n", forgeBatchArgs.FeeIdxCoordinator)
485 batch := common.Batch{
486 BatchNum: batchNum,
487 EthBlockNum: blockNum,
488 ForgerAddr: *sender,
489 CollectedFees: processTxsOut.CollectedFees,
490 FeeIdxsCoordinator: forgeBatchArgs.FeeIdxCoordinator,
491 StateRoot: forgeBatchArgs.NewStRoot,
492 NumAccounts: len(batchData.CreatedAccounts),
493 LastIdx: forgeBatchArgs.NewLastIdx,
494 ExitRoot: forgeBatchArgs.NewExitRoot,
495 SlotNum: slotNum,
496 }
497 nextForgeL1TxsNumCpy := nextForgeL1TxsNum
498 if forgeBatchArgs.L1Batch {
499 batch.ForgeL1TxsNum = &nextForgeL1TxsNumCpy
500 batchData.L1Batch = true
501 nextForgeL1TxsNum++
502 }
503 batchData.Batch = batch
504 rollupData.Batches = append(rollupData.Batches, *batchData)
505 }
506
507 // Get Registered Tokens
508 for _, evtAddToken := range rollupEvents.AddToken {
509 var token common.Token
510
511 token.TokenID = common.TokenID(evtAddToken.TokenID)
512 token.EthAddr = evtAddToken.TokenAddress
513 token.EthBlockNum = blockNum
514
515 if consts, err := s.ethClient.EthERC20Consts(evtAddToken.TokenAddress); err != nil {
516 log.Warnw("Error retreiving ERC20 token constants", "addr", evtAddToken.TokenAddress)
517 token.Name = "ERC20_ETH_ERROR"
518 token.Symbol = "ERROR"
519 token.Decimals = 1
520 } else {
521 token.Name = cutStringMax(consts.Name, 20)
522 token.Symbol = cutStringMax(consts.Symbol, 10)
523 token.Decimals = consts.Decimals
524 }
525
526 rollupData.AddedTokens = append(rollupData.AddedTokens, token)
527 }
528
529 varsUpdate := false
530
531 for _, evtUpdateForgeL1L2BatchTimeout := range rollupEvents.UpdateForgeL1L2BatchTimeout {
532 s.vars.Rollup.ForgeL1L2BatchTimeout = evtUpdateForgeL1L2BatchTimeout.NewForgeL1L2BatchTimeout
533 varsUpdate = true
534 }
535
536 for _, evtUpdateFeeAddToken := range rollupEvents.UpdateFeeAddToken {
537 s.vars.Rollup.FeeAddToken = evtUpdateFeeAddToken.NewFeeAddToken
538 varsUpdate = true
539 }
540
541 // NOTE: WithdrawDelay update doesn't have event, so we can't track changes
542
543 // NOTE: Buckets update dones't have event, so we can't track changes
544
545 for _, evtWithdraw := range rollupEvents.Withdraw {
546 rollupData.Withdrawals = append(rollupData.Withdrawals, common.WithdrawInfo{
547 Idx: common.Idx(evtWithdraw.Idx),
548 NumExitRoot: common.BatchNum(evtWithdraw.NumExitRoot),
549 InstantWithdraw: evtWithdraw.InstantWithdraw,
550 })
551 }
552
553 if varsUpdate {
554 s.vars.Rollup.EthBlockNum = blockNum
555 rollupData.Vars = &s.vars.Rollup
556 }
557
558 return &rollupData, nil
559}
560
561func cutStringMax(s string, max int) string {
562 if len(s) > max {
563 return s[:max]
564 }
565 return s
566}
567
568// auctionSync gets information from the Auction Contract
569func (s *Synchronizer) auctionSync(ethBlock *common.Block) (*common.AuctionData, error) {
570 blockNum := ethBlock.EthBlockNum
571 var auctionData = common.NewAuctionData()
572
573 // Get auction events in the block
574 auctionEvents, blockHash, err := s.ethClient.AuctionEventsByBlock(blockNum)
575 if err != nil {
576 return nil, err
577 }
578 // No events in this block
579 if blockHash == nil {
580 return &auctionData, nil
581 }
582 if *blockHash != ethBlock.Hash {
583 log.Errorw("Block hash mismatch in Auction events", "expected", ethBlock.Hash.String(),
584 "got", blockHash.String())
585 return nil, eth.ErrBlockHashMismatchEvent
586 }
587
588 // Get bids
589 for _, evtNewBid := range auctionEvents.NewBid {
590 bid := common.Bid{
591 SlotNum: evtNewBid.Slot,
592 BidValue: evtNewBid.BidAmount,
593 Bidder: evtNewBid.Bidder,
594 EthBlockNum: blockNum,
595 }
596 auctionData.Bids = append(auctionData.Bids, bid)
597 }
598
599 // Get Coordinators
600 for _, evtSetCoordinator := range auctionEvents.SetCoordinator {
601 coordinator := common.Coordinator{
602 Bidder: evtSetCoordinator.BidderAddress,
603 Forger: evtSetCoordinator.ForgerAddress,
604 URL: evtSetCoordinator.CoordinatorURL,
605 }
606 auctionData.Coordinators = append(auctionData.Coordinators, coordinator)
607 }
608
609 varsUpdate := false
610
611 for _, evt := range auctionEvents.NewSlotDeadline {
612 s.vars.Auction.SlotDeadline = evt.NewSlotDeadline
613 varsUpdate = true
614 }
615 for _, evt := range auctionEvents.NewClosedAuctionSlots {
616 s.vars.Auction.ClosedAuctionSlots = evt.NewClosedAuctionSlots
617 varsUpdate = true
618 }
619 for _, evt := range auctionEvents.NewOutbidding {
620 s.vars.Auction.Outbidding = evt.NewOutbidding
621 varsUpdate = true
622 }
623 for _, evt := range auctionEvents.NewDonationAddress {
624 s.vars.Auction.DonationAddress = evt.NewDonationAddress
625 varsUpdate = true
626 }
627 for _, evt := range auctionEvents.NewBootCoordinator {
628 s.vars.Auction.BootCoordinator = evt.NewBootCoordinator
629 varsUpdate = true
630 }
631 for _, evt := range auctionEvents.NewOpenAuctionSlots {
632 s.vars.Auction.OpenAuctionSlots = evt.NewOpenAuctionSlots
633 varsUpdate = true
634 }
635 for _, evt := range auctionEvents.NewAllocationRatio {
636 s.vars.Auction.AllocationRatio = evt.NewAllocationRatio
637 varsUpdate = true
638 }
639 for _, evt := range auctionEvents.NewDefaultSlotSetBid {
640 if evt.SlotSet > 6 { //nolint:gomnd
641 return nil, fmt.Errorf("unexpected SlotSet in "+
642 "auctionEvents.NewDefaultSlotSetBid: %v", evt.SlotSet)
643 }
644 s.vars.Auction.DefaultSlotSetBid[evt.SlotSet] = evt.NewInitialMinBid
645 varsUpdate = true
646 }
647
648 // NOTE: We ignore NewForgeAllocated
649 // NOTE: We ignore NewForge because we're already tracking ForgeBatch event from Rollup
650 // NOTE: We ignore HEZClaimed
651
652 if varsUpdate {
653 s.vars.Auction.EthBlockNum = blockNum
654 auctionData.Vars = &s.vars.Auction
655 }
656
657 return &auctionData, nil
658}
659
660// wdelayerSync gets information from the Withdrawal Delayer Contract
661func (s *Synchronizer) wdelayerSync(ethBlock *common.Block) (*common.WDelayerData, error) {
662 blockNum := ethBlock.EthBlockNum
663 wDelayerData := common.NewWDelayerData()
664
665 // Get wDelayer events in the block
666 wDelayerEvents, blockHash, err := s.ethClient.WDelayerEventsByBlock(blockNum)
667 if err != nil {
668 return nil, err
669 }
670 // No events in this block
671 if blockHash == nil {
672 return &wDelayerData, nil
673 }
674 if *blockHash != ethBlock.Hash {
675 log.Errorw("Block hash mismatch in WDelayer events", "expected", ethBlock.Hash.String(),
676 "got", blockHash.String())
677 return nil, eth.ErrBlockHashMismatchEvent
678 }
679
680 varsUpdate := false
681
682 // TODO Deposit
683 // TODO Withdraw
684 // TODO EscapeHatchWithdrawal
685 for range wDelayerEvents.EmergencyModeEnabled {
686 s.vars.WDelayer.EmergencyMode = true
687 varsUpdate = true
688 }
689 for _, evt := range wDelayerEvents.NewWithdrawalDelay {
690 s.vars.WDelayer.WithdrawalDelay = evt.WithdrawalDelay
691 varsUpdate = true
692 }
693 for _, evt := range wDelayerEvents.NewHermezKeeperAddress {
694 s.vars.WDelayer.HermezKeeperAddress = evt.NewHermezKeeperAddress
695 varsUpdate = true
696 }
697 for _, evt := range wDelayerEvents.NewWhiteHackGroupAddress {
698 s.vars.WDelayer.WhiteHackGroupAddress = evt.NewWhiteHackGroupAddress
699 varsUpdate = true
700 }
701 for _, evt := range wDelayerEvents.NewHermezGovernanceDAOAddress {
702 s.vars.WDelayer.HermezGovernanceDAOAddress = evt.NewHermezGovernanceDAOAddress
703 varsUpdate = true
704 }
705
706 if varsUpdate {
707 s.vars.WDelayer.EthBlockNum = blockNum
708 wDelayerData.Vars = &s.vars.WDelayer
709 }
710
711 return &wDelayerData, nil
712}
713
714func getL1UserTx(eventsL1UserTx []eth.RollupEventL1UserTx, blockNum int64) ([]common.L1Tx, error) {
715 l1Txs := make([]common.L1Tx, len(eventsL1UserTx))
716 for i := range eventsL1UserTx {
717 eventsL1UserTx[i].L1UserTx.EthBlockNum = blockNum
718 // Check validity of L1UserTx
719 l1Tx, err := common.NewL1Tx(&eventsL1UserTx[i].L1UserTx)
720 if err != nil {
721 return nil, err
722 }
723 l1Txs[i] = *l1Tx
724 }
725 return l1Txs, nil
726}