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 for i := range rollupData.Withdrawals {
222 withdrawal := &rollupData.Withdrawals[i]
223 if !withdrawal.InstantWithdraw {
224 wDelayerTransfer, ok := wDelayerData.DepositsByTxHash[withdrawal.TxHash]
225 if !ok {
226 return nil, nil, fmt.Errorf("WDelayer deposit corresponding to " +
227 "non-instant rollup withdrawal not found")
228 }
229 withdrawal.Owner = wDelayerTransfer.Owner
230 withdrawal.Token = wDelayerTransfer.Token
231 }
232 }
233
234 // Group all the block data into the structs to save into HistoryDB
235 blockData := common.BlockData{
236 Block: *ethBlock,
237 Rollup: *rollupData,
238 Auction: *auctionData,
239 WDelayer: *wDelayerData,
240 }
241
242 // log.Debugw("Sync()", "block", blockData)
243 // err = s.historyDB.AddBlock(blockData.Block)
244 // if err != nil {
245 // return err
246 // }
247 err = s.historyDB.AddBlockSCData(&blockData)
248 if err != nil {
249 return nil, nil, err
250 }
251
252 return &blockData, nil, nil
253}
254
255// reorg manages a reorg, updating History and State DB as needed. Keeps
256// checking previous blocks from the HistoryDB against the blockchain until a
257// block hash match is found. All future blocks in the HistoryDB and
258// corresponding batches in StateBD are discarded. Returns the last valid
259// blockNum from the HistoryDB.
260func (s *Synchronizer) reorg(uncleBlock *common.Block) (int64, error) {
261 blockNum := uncleBlock.EthBlockNum
262
263 for blockNum >= s.startBlockNum {
264 ethBlock, err := s.ethClient.EthBlockByNumber(context.Background(), blockNum)
265 if err != nil {
266 return 0, err
267 }
268
269 block, err := s.historyDB.GetBlock(blockNum)
270 if err != nil {
271 return 0, err
272 }
273 if block.Hash == ethBlock.Hash {
274 log.Debugf("Found valid block: %v", blockNum)
275 break
276 }
277 blockNum--
278 }
279 total := uncleBlock.EthBlockNum - blockNum
280 log.Debugw("Discarding blocks", "total", total, "from", uncleBlock.EthBlockNum, "to", blockNum+1)
281
282 // Set History DB and State DB to the correct state
283 err := s.historyDB.Reorg(blockNum)
284 if err != nil {
285 return 0, err
286 }
287
288 batchNum, err := s.historyDB.GetLastBatchNum()
289 if err != nil && err != sql.ErrNoRows {
290 return 0, err
291 }
292 if batchNum != 0 {
293 err = s.stateDB.Reset(batchNum)
294 if err != nil {
295 return 0, err
296 }
297 }
298
299 return blockNum, nil
300}
301
302// TODO: Figure out who will use the Status output, and only return what's strictly need
303/*
304// Status returns current status values from the Synchronizer
305func (s *Synchronizer) Status() (*common.SyncStatus, error) {
306 // Avoid possible inconsistencies
307 s.mux.Lock()
308 defer s.mux.Unlock()
309
310 var status *common.SyncStatus
311
312 // TODO: Join all queries to the DB into a single transaction so that
313 // we can remove the mutex locking here:
314 // - HistoryDB.GetLastBlock
315 // - HistoryDB.GetLastBatchNum
316 // - HistoryDB.GetCurrentForgerAddr
317 // - HistoryDB.GetNextForgerAddr
318
319 // Get latest block in History DB
320 lastSavedBlock, err := s.historyDB.GetLastBlock()
321 if err != nil {
322 return nil, err
323 }
324 status.CurrentBlock = lastSavedBlock.EthBlockNum
325
326 // Get latest batch in History DB
327 lastSavedBatch, err := s.historyDB.GetLastBatchNum()
328 if err != nil && err != sql.ErrNoRows {
329 return nil, err
330 }
331 status.CurrentBatch = lastSavedBatch
332
333 // Get latest blockNum in blockchain
334 latestBlockNum, err := s.ethClient.EthCurrentBlock()
335 if err != nil {
336 return nil, err
337 }
338
339 // TODO: Get CurrentForgerAddr & NextForgerAddr from the Auction SC / Or from the HistoryDB
340
341 // Check if Synchronizer is synchronized
342 status.Synchronized = status.CurrentBlock == latestBlockNum
343 return status, nil
344}
345*/
346
347// rollupSync retreives all the Rollup Smart Contract Data that happened at
348// ethBlock.blockNum with ethBlock.Hash.
349func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, error) {
350 blockNum := ethBlock.EthBlockNum
351 var rollupData = common.NewRollupData()
352 // var forgeL1TxsNum int64
353
354 // Get rollup events in the block, and make sure the block hash matches
355 // the expected one.
356 rollupEvents, blockHash, err := s.ethClient.RollupEventsByBlock(blockNum)
357 if err != nil {
358 return nil, err
359 }
360 // No events in this block
361 if blockHash == nil {
362 return &rollupData, nil
363 }
364 if *blockHash != ethBlock.Hash {
365 log.Errorw("Block hash mismatch in Rollup events", "expected", ethBlock.Hash.String(),
366 "got", blockHash.String())
367 return nil, eth.ErrBlockHashMismatchEvent
368 }
369
370 var nextForgeL1TxsNum int64 // forgeL1TxsNum for the next L1Batch
371 nextForgeL1TxsNumPtr, err := s.historyDB.GetLastL1TxsNum()
372 if err != nil {
373 return nil, err
374 }
375 if nextForgeL1TxsNumPtr != nil {
376 nextForgeL1TxsNum = *nextForgeL1TxsNumPtr + 1
377 } else {
378 nextForgeL1TxsNum = 0
379 }
380
381 // Get L1UserTX
382 rollupData.L1UserTxs, err = getL1UserTx(rollupEvents.L1UserTx, blockNum)
383 if err != nil {
384 return nil, err
385 }
386
387 // Get ForgeBatch events to get the L1CoordinatorTxs
388 for _, evtForgeBatch := range rollupEvents.ForgeBatch {
389 batchData := common.NewBatchData()
390 position := 0
391
392 // Get the input for each Tx
393 forgeBatchArgs, sender, err := s.ethClient.RollupForgeBatchArgs(evtForgeBatch.EthTxHash)
394 if err != nil {
395 return nil, err
396 }
397
398 batchNum := common.BatchNum(evtForgeBatch.BatchNum)
399 var l1UserTxs []common.L1Tx
400 // Check if this is a L1Batch to get L1 Tx from it
401 if forgeBatchArgs.L1Batch {
402 // Get L1UserTxs with toForgeL1TxsNum, which correspond
403 // to the L1UserTxs that are forged in this batch, so
404 // that stateDB can process them.
405
406 // First try to find them in HistoryDB.
407 l1UserTxs, err = s.historyDB.GetL1UserTxs(nextForgeL1TxsNum)
408 if err != nil {
409 return nil, err
410 }
411 // Apart from the DB, try to find them in this block.
412 // This could happen because in a block there could be
413 // multiple batches with L1Batch = true (although it's
414 // a very rare case). If not found in the DB and the
415 // block doesn't contain the l1UserTxs, it means that
416 // the L1UserTxs queue with toForgeL1TxsNum was closed
417 // empty, so we leave `l1UserTxs` as an empty slice.
418 for _, l1UserTx := range rollupData.L1UserTxs {
419 if *l1UserTx.ToForgeL1TxsNum == nextForgeL1TxsNum {
420 l1UserTxs = append(l1UserTxs, l1UserTx)
421 }
422 }
423
424 position = len(l1UserTxs)
425 }
426 // Get L1 Coordinator Txs
427 for i := range forgeBatchArgs.L1CoordinatorTxs {
428 l1CoordinatorTx := forgeBatchArgs.L1CoordinatorTxs[i]
429 l1CoordinatorTx.Position = position
430 // l1CoordinatorTx.ToForgeL1TxsNum = &forgeL1TxsNum
431 l1CoordinatorTx.UserOrigin = false
432 l1CoordinatorTx.EthBlockNum = blockNum
433 l1CoordinatorTx.BatchNum = &batchNum
434 l1Tx, err := common.NewL1Tx(&l1CoordinatorTx)
435 if err != nil {
436 return nil, err
437 }
438
439 batchData.L1CoordinatorTxs = append(batchData.L1CoordinatorTxs, *l1Tx)
440 position++
441 // fmt.Println("DGB l1coordtx")
442 }
443
444 // Insert all the txs forged in this batch (l1UserTxs,
445 // L1CoordinatorTxs, PoolL2Txs) into stateDB so that they are
446 // processed.
447 poolL2Txs := common.L2TxsToPoolL2Txs(forgeBatchArgs.L2TxsData) // NOTE: This is a big ugly, find a better way
448
449 // ProcessTxs updates poolL2Txs adding: Nonce (and also TokenID, but we don't use it).
450 processTxsOut, err := s.stateDB.ProcessTxs(forgeBatchArgs.FeeIdxCoordinator, l1UserTxs,
451 batchData.L1CoordinatorTxs, poolL2Txs)
452 if err != nil {
453 return nil, err
454 }
455
456 // Set batchNum in exits
457 for i := range processTxsOut.ExitInfos {
458 exit := &processTxsOut.ExitInfos[i]
459 exit.BatchNum = batchNum
460 }
461 batchData.ExitTree = processTxsOut.ExitInfos
462
463 l2Txs, err := common.PoolL2TxsToL2Txs(poolL2Txs) // NOTE: This is a big uggly, find a better way
464 if err != nil {
465 return nil, err
466 }
467
468 for i := range l2Txs {
469 tx := &l2Txs[i]
470 tx.Position = position
471 tx.EthBlockNum = blockNum
472 tx.BatchNum = batchNum
473 nTx, err := common.NewL2Tx(tx)
474 if err != nil {
475 return nil, err
476 }
477
478 batchData.L2Txs = append(batchData.L2Txs, *nTx)
479 position++
480 }
481
482 for i := range processTxsOut.CreatedAccounts {
483 createdAccount := &processTxsOut.CreatedAccounts[i]
484 createdAccount.Nonce = 0
485 createdAccount.Balance = big.NewInt(0)
486 createdAccount.BatchNum = batchNum
487 }
488 batchData.CreatedAccounts = processTxsOut.CreatedAccounts
489
490 slotNum := int64(0)
491 if ethBlock.EthBlockNum >= s.auctionConstants.GenesisBlockNum {
492 slotNum = (ethBlock.EthBlockNum - s.auctionConstants.GenesisBlockNum) /
493 int64(s.auctionConstants.BlocksPerSlot)
494 }
495
496 // Get Batch information
497 batch := common.Batch{
498 BatchNum: batchNum,
499 EthBlockNum: blockNum,
500 ForgerAddr: *sender,
501 CollectedFees: processTxsOut.CollectedFees,
502 FeeIdxsCoordinator: forgeBatchArgs.FeeIdxCoordinator,
503 StateRoot: forgeBatchArgs.NewStRoot,
504 NumAccounts: len(batchData.CreatedAccounts),
505 LastIdx: forgeBatchArgs.NewLastIdx,
506 ExitRoot: forgeBatchArgs.NewExitRoot,
507 SlotNum: slotNum,
508 }
509 nextForgeL1TxsNumCpy := nextForgeL1TxsNum
510 if forgeBatchArgs.L1Batch {
511 batch.ForgeL1TxsNum = &nextForgeL1TxsNumCpy
512 batchData.L1Batch = true
513 nextForgeL1TxsNum++
514 }
515 batchData.Batch = batch
516 rollupData.Batches = append(rollupData.Batches, *batchData)
517 }
518
519 // Get Registered Tokens
520 for _, evtAddToken := range rollupEvents.AddToken {
521 var token common.Token
522
523 token.TokenID = common.TokenID(evtAddToken.TokenID)
524 token.EthAddr = evtAddToken.TokenAddress
525 token.EthBlockNum = blockNum
526
527 if consts, err := s.ethClient.EthERC20Consts(evtAddToken.TokenAddress); err != nil {
528 log.Warnw("Error retreiving ERC20 token constants", "addr", evtAddToken.TokenAddress)
529 token.Name = "ERC20_ETH_ERROR"
530 token.Symbol = "ERROR"
531 token.Decimals = 1
532 } else {
533 token.Name = cutStringMax(consts.Name, 20)
534 token.Symbol = cutStringMax(consts.Symbol, 10)
535 token.Decimals = consts.Decimals
536 }
537
538 rollupData.AddedTokens = append(rollupData.AddedTokens, token)
539 }
540
541 varsUpdate := false
542
543 for _, evtUpdateForgeL1L2BatchTimeout := range rollupEvents.UpdateForgeL1L2BatchTimeout {
544 s.vars.Rollup.ForgeL1L2BatchTimeout = evtUpdateForgeL1L2BatchTimeout.NewForgeL1L2BatchTimeout
545 varsUpdate = true
546 }
547
548 for _, evtUpdateFeeAddToken := range rollupEvents.UpdateFeeAddToken {
549 s.vars.Rollup.FeeAddToken = evtUpdateFeeAddToken.NewFeeAddToken
550 varsUpdate = true
551 }
552
553 // NOTE: WithdrawDelay update doesn't have event, so we can't track changes
554
555 // NOTE: Buckets update dones't have event, so we can't track changes
556
557 for _, evtWithdraw := range rollupEvents.Withdraw {
558 rollupData.Withdrawals = append(rollupData.Withdrawals, common.WithdrawInfo{
559 Idx: common.Idx(evtWithdraw.Idx),
560 NumExitRoot: common.BatchNum(evtWithdraw.NumExitRoot),
561 InstantWithdraw: evtWithdraw.InstantWithdraw,
562 TxHash: evtWithdraw.TxHash,
563 })
564 }
565
566 if varsUpdate {
567 s.vars.Rollup.EthBlockNum = blockNum
568 rollupData.Vars = &s.vars.Rollup
569 }
570
571 return &rollupData, nil
572}
573
574func cutStringMax(s string, max int) string {
575 if len(s) > max {
576 return s[:max]
577 }
578 return s
579}
580
581// auctionSync gets information from the Auction Contract
582func (s *Synchronizer) auctionSync(ethBlock *common.Block) (*common.AuctionData, error) {
583 blockNum := ethBlock.EthBlockNum
584 var auctionData = common.NewAuctionData()
585
586 // Get auction events in the block
587 auctionEvents, blockHash, err := s.ethClient.AuctionEventsByBlock(blockNum)
588 if err != nil {
589 return nil, err
590 }
591 // No events in this block
592 if blockHash == nil {
593 return &auctionData, nil
594 }
595 if *blockHash != ethBlock.Hash {
596 log.Errorw("Block hash mismatch in Auction events", "expected", ethBlock.Hash.String(),
597 "got", blockHash.String())
598 return nil, eth.ErrBlockHashMismatchEvent
599 }
600
601 // Get bids
602 for _, evtNewBid := range auctionEvents.NewBid {
603 bid := common.Bid{
604 SlotNum: evtNewBid.Slot,
605 BidValue: evtNewBid.BidAmount,
606 Bidder: evtNewBid.Bidder,
607 EthBlockNum: blockNum,
608 }
609 auctionData.Bids = append(auctionData.Bids, bid)
610 }
611
612 // Get Coordinators
613 for _, evtSetCoordinator := range auctionEvents.SetCoordinator {
614 coordinator := common.Coordinator{
615 Bidder: evtSetCoordinator.BidderAddress,
616 Forger: evtSetCoordinator.ForgerAddress,
617 URL: evtSetCoordinator.CoordinatorURL,
618 }
619 auctionData.Coordinators = append(auctionData.Coordinators, coordinator)
620 }
621
622 varsUpdate := false
623
624 for _, evt := range auctionEvents.NewSlotDeadline {
625 s.vars.Auction.SlotDeadline = evt.NewSlotDeadline
626 varsUpdate = true
627 }
628 for _, evt := range auctionEvents.NewClosedAuctionSlots {
629 s.vars.Auction.ClosedAuctionSlots = evt.NewClosedAuctionSlots
630 varsUpdate = true
631 }
632 for _, evt := range auctionEvents.NewOutbidding {
633 s.vars.Auction.Outbidding = evt.NewOutbidding
634 varsUpdate = true
635 }
636 for _, evt := range auctionEvents.NewDonationAddress {
637 s.vars.Auction.DonationAddress = evt.NewDonationAddress
638 varsUpdate = true
639 }
640 for _, evt := range auctionEvents.NewBootCoordinator {
641 s.vars.Auction.BootCoordinator = evt.NewBootCoordinator
642 varsUpdate = true
643 }
644 for _, evt := range auctionEvents.NewOpenAuctionSlots {
645 s.vars.Auction.OpenAuctionSlots = evt.NewOpenAuctionSlots
646 varsUpdate = true
647 }
648 for _, evt := range auctionEvents.NewAllocationRatio {
649 s.vars.Auction.AllocationRatio = evt.NewAllocationRatio
650 varsUpdate = true
651 }
652 for _, evt := range auctionEvents.NewDefaultSlotSetBid {
653 if evt.SlotSet > 6 { //nolint:gomnd
654 return nil, fmt.Errorf("unexpected SlotSet in "+
655 "auctionEvents.NewDefaultSlotSetBid: %v", evt.SlotSet)
656 }
657 s.vars.Auction.DefaultSlotSetBid[evt.SlotSet] = evt.NewInitialMinBid
658 varsUpdate = true
659 }
660
661 // NOTE: We ignore NewForgeAllocated
662 // NOTE: We ignore NewForge because we're already tracking ForgeBatch event from Rollup
663 // NOTE: We ignore HEZClaimed
664
665 if varsUpdate {
666 s.vars.Auction.EthBlockNum = blockNum
667 auctionData.Vars = &s.vars.Auction
668 }
669
670 return &auctionData, nil
671}
672
673// wdelayerSync gets information from the Withdrawal Delayer Contract
674func (s *Synchronizer) wdelayerSync(ethBlock *common.Block) (*common.WDelayerData, error) {
675 blockNum := ethBlock.EthBlockNum
676 wDelayerData := common.NewWDelayerData()
677
678 // Get wDelayer events in the block
679 wDelayerEvents, blockHash, err := s.ethClient.WDelayerEventsByBlock(blockNum)
680 if err != nil {
681 return nil, err
682 }
683 // No events in this block
684 if blockHash == nil {
685 return &wDelayerData, nil
686 }
687 if *blockHash != ethBlock.Hash {
688 log.Errorw("Block hash mismatch in WDelayer events", "expected", ethBlock.Hash.String(),
689 "got", blockHash.String())
690 return nil, eth.ErrBlockHashMismatchEvent
691 }
692
693 for _, evt := range wDelayerEvents.Deposit {
694 wDelayerData.Deposits = append(wDelayerData.Deposits, common.WDelayerTransfer{
695 Owner: evt.Owner,
696 Token: evt.Token,
697 Amount: evt.Amount,
698 })
699 wDelayerData.DepositsByTxHash[evt.TxHash] =
700 &wDelayerData.Deposits[len(wDelayerData.Deposits)-1]
701 }
702 for _, evt := range wDelayerEvents.Withdraw {
703 wDelayerData.Withdrawals = append(wDelayerData.Withdrawals, common.WDelayerTransfer{
704 Owner: evt.Owner,
705 Token: evt.Token,
706 Amount: evt.Amount,
707 })
708 }
709
710 varsUpdate := false
711
712 // TODO EscapeHatchWithdrawal
713 for range wDelayerEvents.EmergencyModeEnabled {
714 s.vars.WDelayer.EmergencyMode = true
715 varsUpdate = true
716 }
717 for _, evt := range wDelayerEvents.NewWithdrawalDelay {
718 s.vars.WDelayer.WithdrawalDelay = evt.WithdrawalDelay
719 varsUpdate = true
720 }
721 for _, evt := range wDelayerEvents.NewHermezKeeperAddress {
722 s.vars.WDelayer.HermezKeeperAddress = evt.NewHermezKeeperAddress
723 varsUpdate = true
724 }
725 for _, evt := range wDelayerEvents.NewWhiteHackGroupAddress {
726 s.vars.WDelayer.WhiteHackGroupAddress = evt.NewWhiteHackGroupAddress
727 varsUpdate = true
728 }
729 for _, evt := range wDelayerEvents.NewHermezGovernanceDAOAddress {
730 s.vars.WDelayer.HermezGovernanceDAOAddress = evt.NewHermezGovernanceDAOAddress
731 varsUpdate = true
732 }
733
734 if varsUpdate {
735 s.vars.WDelayer.EthBlockNum = blockNum
736 wDelayerData.Vars = &s.vars.WDelayer
737 }
738
739 return &wDelayerData, nil
740}
741
742func getL1UserTx(eventsL1UserTx []eth.RollupEventL1UserTx, blockNum int64) ([]common.L1Tx, error) {
743 l1Txs := make([]common.L1Tx, len(eventsL1UserTx))
744 for i := range eventsL1UserTx {
745 eventsL1UserTx[i].L1UserTx.EthBlockNum = blockNum
746 // Check validity of L1UserTx
747 l1Tx, err := common.NewL1Tx(&eventsL1UserTx[i].L1UserTx)
748 if err != nil {
749 return nil, err
750 }
751 l1Txs[i] = *l1Tx
752 }
753 return l1Txs, nil
754}