hermez-node/synchronizer/synchronizer_test.go
synchronizer/synchronizer_test.goRaw
1package synchronizer
2
3import (
4 "context"
5 "encoding/json"
6 "fmt"
7 "io/ioutil"
8 "math/big"
9 "os"
10 "sort"
11 "testing"
12 "time"
13
14 ethCommon "github.com/ethereum/go-ethereum/common"
15 "github.com/hermeznetwork/hermez-node/common"
16 dbUtils "github.com/hermeznetwork/hermez-node/db"
17 "github.com/hermeznetwork/hermez-node/db/historydb"
18 "github.com/hermeznetwork/hermez-node/db/statedb"
19 "github.com/hermeznetwork/hermez-node/eth"
20 "github.com/hermeznetwork/hermez-node/test"
21 "github.com/hermeznetwork/hermez-node/test/til"
22 "github.com/jinzhu/copier"
23 "github.com/stretchr/testify/assert"
24 "github.com/stretchr/testify/require"
25)
26
27var tokenConsts = map[common.TokenID]eth.ERC20Consts{}
28
29type timer struct {
30 time int64
31}
32
33func (t *timer) Time() int64 {
34 currentTime := t.time
35 t.time++
36 return currentTime
37}
38
39func accountsCmp(accounts []common.Account) func(i, j int) bool {
40 return func(i, j int) bool { return accounts[i].Idx < accounts[j].Idx }
41}
42
43// Check Sync output and HistoryDB state against expected values generated by
44// til
45func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBlock *common.BlockData) {
46 // Check Blocks
47 dbBlocks, err := s.historyDB.GetAllBlocks()
48 require.NoError(t, err)
49 dbBlocks = dbBlocks[1:] // ignore block 0, added by default in the DB
50 assert.Equal(t, blockNum, len(dbBlocks))
51 assert.Equal(t, int64(blockNum), dbBlocks[blockNum-1].Num)
52 assert.NotEqual(t, dbBlocks[blockNum-1].Hash, dbBlocks[blockNum-2].Hash)
53 assert.Greater(t, dbBlocks[blockNum-1].Timestamp.Unix(), dbBlocks[blockNum-2].Timestamp.Unix())
54
55 // Check Tokens
56 assert.Equal(t, len(block.Rollup.AddedTokens), len(syncBlock.Rollup.AddedTokens))
57 dbTokens, err := s.historyDB.GetAllTokens()
58 require.NoError(t, err)
59 dbTokens = dbTokens[1:] // ignore token 0, added by default in the DB
60 for i, token := range block.Rollup.AddedTokens {
61 dbToken := dbTokens[i]
62 syncToken := syncBlock.Rollup.AddedTokens[i]
63
64 assert.Equal(t, block.Block.Num, syncToken.EthBlockNum)
65 assert.Equal(t, token.TokenID, syncToken.TokenID)
66 assert.Equal(t, token.EthAddr, syncToken.EthAddr)
67 tokenConst := tokenConsts[token.TokenID]
68 assert.Equal(t, tokenConst.Name, syncToken.Name)
69 assert.Equal(t, tokenConst.Symbol, syncToken.Symbol)
70 assert.Equal(t, tokenConst.Decimals, syncToken.Decimals)
71
72 var tokenCpy historydb.TokenWithUSD
73 //nolint:gosec
74 require.Nil(t, copier.Copy(&tokenCpy, &token)) // copy common.Token to historydb.TokenWithUSD
75 require.Nil(t, copier.Copy(&tokenCpy, &tokenConst)) // copy common.Token to historydb.TokenWithUSD
76 tokenCpy.ItemID = dbToken.ItemID // we don't care about ItemID
77 assert.Equal(t, tokenCpy, dbToken)
78 }
79
80 // Check submitted L1UserTxs
81 assert.Equal(t, len(block.Rollup.L1UserTxs), len(syncBlock.Rollup.L1UserTxs))
82 dbL1UserTxs, err := s.historyDB.GetAllL1UserTxs()
83 require.NoError(t, err)
84 // Ignore BatchNum in syncBlock.L1UserTxs because this value is set by
85 // the HistoryDB. Also ignore EffectiveAmount & EffectiveDepositAmount
86 // because this value is set by StateDB.ProcessTxs.
87 for i := range syncBlock.Rollup.L1UserTxs {
88 syncBlock.Rollup.L1UserTxs[i].BatchNum = block.Rollup.L1UserTxs[i].BatchNum
89 assert.Nil(t, syncBlock.Rollup.L1UserTxs[i].EffectiveDepositAmount)
90 assert.Nil(t, syncBlock.Rollup.L1UserTxs[i].EffectiveAmount)
91 }
92 assert.Equal(t, block.Rollup.L1UserTxs, syncBlock.Rollup.L1UserTxs)
93 for _, tx := range block.Rollup.L1UserTxs {
94 var dbTx *common.L1Tx
95 // Find tx in DB output
96 for _, _dbTx := range dbL1UserTxs {
97 if *tx.ToForgeL1TxsNum == *_dbTx.ToForgeL1TxsNum &&
98 tx.Position == _dbTx.Position {
99 dbTx = new(common.L1Tx)
100 *dbTx = _dbTx
101 break
102 }
103 }
104 // If the tx has been forged in this block, this will be
105 // reflected in the DB, and so the Effective values will be
106 // already set
107 if dbTx.BatchNum != nil {
108 tx.EffectiveAmount = tx.Amount
109 tx.EffectiveDepositAmount = tx.DepositAmount
110 }
111 assert.Equal(t, &tx, dbTx) //nolint:gosec
112 }
113
114 // Check Batches
115 assert.Equal(t, len(block.Rollup.Batches), len(syncBlock.Rollup.Batches))
116 dbBatches, err := s.historyDB.GetAllBatches()
117 require.NoError(t, err)
118
119 dbL1CoordinatorTxs, err := s.historyDB.GetAllL1CoordinatorTxs()
120 require.NoError(t, err)
121 dbL2Txs, err := s.historyDB.GetAllL2Txs()
122 require.NoError(t, err)
123 dbExits, err := s.historyDB.GetAllExits()
124 require.NoError(t, err)
125 // dbL1CoordinatorTxs := []common.L1Tx{}
126 for i, batch := range block.Rollup.Batches {
127 var dbBatch *common.Batch
128 // Find batch in DB output
129 for _, _dbBatch := range dbBatches {
130 if batch.Batch.BatchNum == _dbBatch.BatchNum {
131 dbBatch = new(common.Batch)
132 *dbBatch = _dbBatch
133 break
134 }
135 }
136 syncBatch := syncBlock.Rollup.Batches[i]
137
138 // We don't care about TotalFeesUSD. Use the syncBatch that
139 // has a TotalFeesUSD inserted by the HistoryDB
140 batch.Batch.TotalFeesUSD = syncBatch.Batch.TotalFeesUSD
141 assert.Equal(t, batch.CreatedAccounts, syncBatch.CreatedAccounts)
142 batch.Batch.NumAccounts = len(batch.CreatedAccounts)
143
144 // Test field by field to facilitate debugging of errors
145 assert.Equal(t, batch.L1UserTxs, syncBatch.L1UserTxs)
146 assert.Equal(t, batch.L1CoordinatorTxs, syncBatch.L1CoordinatorTxs)
147 assert.Equal(t, batch.L2Txs, syncBatch.L2Txs)
148 // In exit tree, we only check AccountIdx and Balance, because
149 // it's what we have precomputed before.
150 require.Equal(t, len(batch.ExitTree), len(syncBatch.ExitTree))
151 for j := range batch.ExitTree {
152 exit := &batch.ExitTree[j]
153 assert.Equal(t, exit.AccountIdx, syncBatch.ExitTree[j].AccountIdx)
154 assert.Equal(t, exit.Balance, syncBatch.ExitTree[j].Balance)
155 *exit = syncBatch.ExitTree[j]
156 }
157 assert.Equal(t, batch.Batch, syncBatch.Batch)
158 assert.Equal(t, batch, syncBatch)
159 assert.Equal(t, &batch.Batch, dbBatch) //nolint:gosec
160
161 // Check forged L1UserTxs from DB, and check effective values
162 // in sync output
163 for j, tx := range batch.L1UserTxs {
164 var dbTx *common.L1Tx
165 // Find tx in DB output
166 for _, _dbTx := range dbL1UserTxs {
167 if *tx.BatchNum == *_dbTx.BatchNum &&
168 tx.Position == _dbTx.Position {
169 dbTx = new(common.L1Tx)
170 *dbTx = _dbTx
171 break
172 }
173 }
174 assert.Equal(t, &tx, dbTx) //nolint:gosec
175
176 syncTx := &syncBlock.Rollup.Batches[i].L1UserTxs[j]
177 assert.Equal(t, syncTx.DepositAmount, syncTx.EffectiveDepositAmount)
178 assert.Equal(t, syncTx.Amount, syncTx.EffectiveAmount)
179 }
180
181 // Check L1CoordinatorTxs from DB
182 for _, tx := range batch.L1CoordinatorTxs {
183 var dbTx *common.L1Tx
184 // Find tx in DB output
185 for _, _dbTx := range dbL1CoordinatorTxs {
186 if *tx.BatchNum == *_dbTx.BatchNum &&
187 tx.Position == _dbTx.Position {
188 dbTx = new(common.L1Tx)
189 *dbTx = _dbTx
190 break
191 }
192 }
193 assert.Equal(t, &tx, dbTx) //nolint:gosec
194 }
195
196 // Check L2Txs from DB
197 for _, tx := range batch.L2Txs {
198 var dbTx *common.L2Tx
199 // Find tx in DB output
200 for _, _dbTx := range dbL2Txs {
201 if tx.BatchNum == _dbTx.BatchNum &&
202 tx.Position == _dbTx.Position {
203 dbTx = new(common.L2Tx)
204 *dbTx = _dbTx
205 break
206 }
207 }
208 assert.Equal(t, &tx, dbTx) //nolint:gosec
209 }
210
211 // Check Exits from DB
212 for _, exit := range batch.ExitTree {
213 var dbExit *common.ExitInfo
214 // Find exit in DB output
215 for _, _dbExit := range dbExits {
216 if exit.BatchNum == _dbExit.BatchNum &&
217 exit.AccountIdx == _dbExit.AccountIdx {
218 dbExit = new(common.ExitInfo)
219 *dbExit = _dbExit
220 break
221 }
222 }
223 // Compare MerkleProof in JSON because unmarshaled 0
224 // big.Int leaves the internal big.Int array at nil,
225 // and gives trouble when comparing big.Int with
226 // internal big.Int array != nil but empty.
227 mtp, err := json.Marshal(exit.MerkleProof)
228 require.NoError(t, err)
229 dbMtp, err := json.Marshal(dbExit.MerkleProof)
230 require.NoError(t, err)
231 assert.Equal(t, mtp, dbMtp)
232 dbExit.MerkleProof = exit.MerkleProof
233 assert.Equal(t, &exit, dbExit) //nolint:gosec
234 }
235 }
236
237 // Compare accounts from HistoryDB with StateDB (they should match)
238 dbAccounts, err := s.historyDB.GetAllAccounts()
239 require.NoError(t, err)
240 sdbAccounts, err := s.stateDB.GetAccounts()
241 require.NoError(t, err)
242 assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
243}
244
245func assertEqualAccountsHistoryDBStateDB(t *testing.T, hdbAccs, sdbAccs []common.Account) {
246 assert.Equal(t, len(hdbAccs), len(sdbAccs))
247 sort.SliceStable(hdbAccs, accountsCmp(hdbAccs))
248 sort.SliceStable(sdbAccs, accountsCmp(sdbAccs))
249 for i := range hdbAccs {
250 hdbAcc := hdbAccs[i]
251 sdbAcc := sdbAccs[i]
252 assert.Equal(t, hdbAcc.Idx, sdbAcc.Idx)
253 assert.Equal(t, hdbAcc.TokenID, sdbAcc.TokenID)
254 assert.Equal(t, hdbAcc.EthAddr, sdbAcc.EthAddr)
255 assert.Equal(t, hdbAcc.PublicKey, sdbAcc.PublicKey)
256 }
257}
258
259// ethAddTokens adds the tokens from the blocks to the blockchain
260func ethAddTokens(blocks []common.BlockData, client *test.Client) {
261 for _, block := range blocks {
262 for _, token := range block.Rollup.AddedTokens {
263 consts := eth.ERC20Consts{
264 Name: fmt.Sprintf("Token %d", token.TokenID),
265 Symbol: fmt.Sprintf("TK%d", token.TokenID),
266 Decimals: 18,
267 }
268 tokenConsts[token.TokenID] = consts
269 client.CtlAddERC20(token.EthAddr, consts)
270 }
271 }
272}
273
274func TestSync(t *testing.T) {
275 //
276 // Setup
277 //
278
279 ctx := context.Background()
280 // Int State DB
281 dir, err := ioutil.TempDir("", "tmpdb")
282 require.NoError(t, err)
283 defer assert.Nil(t, os.RemoveAll(dir))
284
285 chainID := uint16(0)
286 stateDB, err := statedb.NewStateDB(dir, statedb.TypeSynchronizer, 32, chainID)
287 require.NoError(t, err)
288
289 // Init History DB
290 pass := os.Getenv("POSTGRES_PASS")
291 db, err := dbUtils.InitSQLDB(5432, "localhost", "hermez", pass, "hermez")
292 require.NoError(t, err)
293 historyDB := historydb.NewHistoryDB(db)
294 // Clear DB
295 test.WipeDB(historyDB.DB())
296
297 // Init eth client
298 var timer timer
299 clientSetup := test.NewClientSetupExample()
300 bootCoordAddr := clientSetup.AuctionVariables.BootCoordinator
301 client := test.NewClient(true, &timer, ðCommon.Address{}, clientSetup)
302
303 // Create Synchronizer
304 s, err := NewSynchronizer(client, historyDB, stateDB, Config{
305 StatsRefreshPeriod: 0 * time.Second,
306 })
307 require.NoError(t, err)
308
309 //
310 // First Sync from an initial state
311 //
312 stats := s.Stats()
313 assert.Equal(t, false, stats.Synced())
314
315 // Test Sync for rollup genesis block
316 syncBlock, discards, err := s.Sync2(ctx, nil)
317 require.NoError(t, err)
318 require.Nil(t, discards)
319 require.NotNil(t, syncBlock)
320 require.Nil(t, syncBlock.Rollup.Vars)
321 require.Nil(t, syncBlock.Auction.Vars)
322 require.Nil(t, syncBlock.WDelayer.Vars)
323 assert.Equal(t, int64(1), syncBlock.Block.Num)
324 stats = s.Stats()
325 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
326 assert.Equal(t, int64(1), stats.Eth.LastBlock.Num)
327 assert.Equal(t, int64(1), stats.Sync.LastBlock.Num)
328 vars := s.SCVars()
329 assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
330 assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
331 assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
332
333 dbBlocks, err := s.historyDB.GetAllBlocks()
334 require.NoError(t, err)
335 assert.Equal(t, 2, len(dbBlocks))
336 assert.Equal(t, int64(1), dbBlocks[1].Num)
337
338 // Sync again and expect no new blocks
339 syncBlock, discards, err = s.Sync2(ctx, nil)
340 require.NoError(t, err)
341 require.Nil(t, discards)
342 require.Nil(t, syncBlock)
343
344 //
345 // Generate blockchain and smart contract data, and fill the test smart contracts
346 //
347
348 // Generate blockchain data with til
349 set1 := `
350 Type: Blockchain
351
352 AddToken(1)
353 AddToken(2)
354 AddToken(3)
355
356 CreateAccountDeposit(1) C: 2000 // Idx=256+2=258
357 CreateAccountDeposit(2) A: 2000 // Idx=256+3=259
358 CreateAccountDeposit(1) D: 500 // Idx=256+4=260
359 CreateAccountDeposit(2) B: 500 // Idx=256+5=261
360 CreateAccountDeposit(2) C: 500 // Idx=256+6=262
361
362 CreateAccountCoordinator(1) A // Idx=256+0=256
363 CreateAccountCoordinator(1) B // Idx=256+1=257
364
365 > batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{5}
366 > batchL1 // forge defined L1UserTxs{5}, freeze L1UserTxs{nil}
367 > block // blockNum=2
368
369 CreateAccountDepositTransfer(1) E-A: 1000, 200 // Idx=256+7=263
370 ForceTransfer(1) C-B: 80
371 ForceExit(1) A: 100
372 ForceExit(1) B: 80
373 ForceTransfer(1) A-D: 100
374
375 Transfer(1) C-A: 100 (200)
376 Exit(1) C: 50 (200)
377 Exit(1) D: 30 (200)
378
379 > batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{3}
380 > batchL1 // forge L1UserTxs{3}, freeze defined L1UserTxs{nil}
381 > block // blockNum=3
382 `
383 tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx)
384 tilCfgExtra := til.ConfigExtra{
385 BootCoordAddr: bootCoordAddr,
386 CoordUser: "A",
387 }
388 blocks, err := tc.GenerateBlocks(set1)
389 require.NoError(t, err)
390 // Sanity check
391 require.Equal(t, 2, len(blocks))
392 // blocks 0 (blockNum=2)
393 i := 0
394 require.Equal(t, 2, int(blocks[i].Block.Num))
395 require.Equal(t, 3, len(blocks[i].Rollup.AddedTokens))
396 require.Equal(t, 5, len(blocks[i].Rollup.L1UserTxs))
397 require.Equal(t, 2, len(blocks[i].Rollup.Batches))
398 require.Equal(t, 2, len(blocks[i].Rollup.Batches[0].L1CoordinatorTxs))
399 // blocks 1 (blockNum=3)
400 i = 1
401 require.Equal(t, 3, int(blocks[i].Block.Num))
402 require.Equal(t, 5, len(blocks[i].Rollup.L1UserTxs))
403 require.Equal(t, 2, len(blocks[i].Rollup.Batches))
404 require.Equal(t, 3, len(blocks[i].Rollup.Batches[0].L2Txs))
405
406 // Generate extra required data
407 ethAddTokens(blocks, client)
408
409 err = tc.FillBlocksExtra(blocks, &tilCfgExtra)
410 require.NoError(t, err)
411 tc.FillBlocksL1UserTxsBatchNum(blocks)
412 err = tc.FillBlocksForgedL1UserTxs(blocks)
413 require.NoError(t, err)
414
415 // Add block data to the smart contracts
416 err = client.CtlAddBlocks(blocks)
417 require.NoError(t, err)
418
419 //
420 // Sync to synchronize the current state from the test smart contracts,
421 // and check the outcome
422 //
423
424 // Block 2
425
426 syncBlock, discards, err = s.Sync2(ctx, nil)
427 require.NoError(t, err)
428 require.Nil(t, discards)
429 require.NotNil(t, syncBlock)
430 assert.Nil(t, syncBlock.Rollup.Vars)
431 assert.Nil(t, syncBlock.Auction.Vars)
432 assert.Nil(t, syncBlock.WDelayer.Vars)
433 assert.Equal(t, int64(2), syncBlock.Block.Num)
434 stats = s.Stats()
435 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
436 assert.Equal(t, int64(3), stats.Eth.LastBlock.Num)
437 assert.Equal(t, int64(2), stats.Sync.LastBlock.Num)
438
439 checkSyncBlock(t, s, 2, &blocks[0], syncBlock)
440
441 // Block 3
442
443 syncBlock, discards, err = s.Sync2(ctx, nil)
444 assert.NoError(t, err)
445 require.NoError(t, err)
446 require.Nil(t, discards)
447 require.NotNil(t, syncBlock)
448 assert.Nil(t, syncBlock.Rollup.Vars)
449 assert.Nil(t, syncBlock.Auction.Vars)
450 assert.Nil(t, syncBlock.WDelayer.Vars)
451 assert.Equal(t, int64(3), syncBlock.Block.Num)
452 stats = s.Stats()
453 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
454 assert.Equal(t, int64(3), stats.Eth.LastBlock.Num)
455 assert.Equal(t, int64(3), stats.Sync.LastBlock.Num)
456
457 checkSyncBlock(t, s, 3, &blocks[1], syncBlock)
458
459 // Block 4
460 // Generate 2 withdraws manually
461 _, err = client.RollupWithdrawMerkleProof(tc.Users["A"].BJJ.Public().Compress(), 1, 4, 256, big.NewInt(100), []*big.Int{}, true)
462 require.NoError(t, err)
463 _, err = client.RollupWithdrawMerkleProof(tc.Users["C"].BJJ.Public().Compress(), 1, 3, 258, big.NewInt(50), []*big.Int{}, false)
464 require.NoError(t, err)
465 client.CtlMineBlock()
466
467 syncBlock, discards, err = s.Sync2(ctx, nil)
468 require.NoError(t, err)
469 require.Nil(t, discards)
470 require.NotNil(t, syncBlock)
471 assert.Nil(t, syncBlock.Rollup.Vars)
472 assert.Nil(t, syncBlock.Auction.Vars)
473 assert.Nil(t, syncBlock.WDelayer.Vars)
474 assert.Equal(t, int64(4), syncBlock.Block.Num)
475 stats = s.Stats()
476 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
477 assert.Equal(t, int64(4), stats.Eth.LastBlock.Num)
478 assert.Equal(t, int64(4), stats.Sync.LastBlock.Num)
479 vars = s.SCVars()
480 assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
481 assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
482 assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
483
484 dbExits, err := s.historyDB.GetAllExits()
485 require.NoError(t, err)
486 foundA1, foundC1 := false, false
487 for _, exit := range dbExits {
488 if exit.AccountIdx == 256 && exit.BatchNum == 4 {
489 foundA1 = true
490 assert.Equal(t, int64(4), *exit.InstantWithdrawn)
491 }
492 if exit.AccountIdx == 258 && exit.BatchNum == 3 {
493 foundC1 = true
494 assert.Equal(t, int64(4), *exit.DelayedWithdrawRequest)
495 }
496 }
497 assert.True(t, foundA1)
498 assert.True(t, foundC1)
499
500 // Block 5
501 // Update variables manually
502 rollupVars, auctionVars, wDelayerVars, err := s.historyDB.GetSCVars()
503 require.NoError(t, err)
504 rollupVars.ForgeL1L2BatchTimeout = 42
505 _, err = client.RollupUpdateForgeL1L2BatchTimeout(rollupVars.ForgeL1L2BatchTimeout)
506 require.NoError(t, err)
507
508 auctionVars.OpenAuctionSlots = 17
509 _, err = client.AuctionSetOpenAuctionSlots(auctionVars.OpenAuctionSlots)
510 require.NoError(t, err)
511
512 wDelayerVars.WithdrawalDelay = 99
513 _, err = client.WDelayerChangeWithdrawalDelay(wDelayerVars.WithdrawalDelay)
514 require.NoError(t, err)
515
516 client.CtlMineBlock()
517
518 syncBlock, discards, err = s.Sync2(ctx, nil)
519 require.NoError(t, err)
520 require.Nil(t, discards)
521 require.NotNil(t, syncBlock)
522 assert.NotNil(t, syncBlock.Rollup.Vars)
523 assert.NotNil(t, syncBlock.Auction.Vars)
524 assert.NotNil(t, syncBlock.WDelayer.Vars)
525 assert.Equal(t, int64(5), syncBlock.Block.Num)
526 stats = s.Stats()
527 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
528 assert.Equal(t, int64(5), stats.Eth.LastBlock.Num)
529 assert.Equal(t, int64(5), stats.Sync.LastBlock.Num)
530 vars = s.SCVars()
531 assert.NotEqual(t, clientSetup.RollupVariables, vars.Rollup)
532 assert.NotEqual(t, clientSetup.AuctionVariables, vars.Auction)
533 assert.NotEqual(t, clientSetup.WDelayerVariables, vars.WDelayer)
534
535 dbRollupVars, dbAuctionVars, dbWDelayerVars, err := s.historyDB.GetSCVars()
536 require.NoError(t, err)
537 // Set EthBlockNum for Vars to the blockNum in which they were updated (should be 5)
538 rollupVars.EthBlockNum = syncBlock.Block.Num
539 auctionVars.EthBlockNum = syncBlock.Block.Num
540 wDelayerVars.EthBlockNum = syncBlock.Block.Num
541 assert.Equal(t, rollupVars, dbRollupVars)
542 assert.Equal(t, auctionVars, dbAuctionVars)
543 assert.Equal(t, wDelayerVars, dbWDelayerVars)
544
545 //
546 // Reorg test
547 //
548
549 // Redo blocks 2-5 (as a reorg) only leaving:
550 // - 2 create account transactions
551 // - 2 add tokens
552 // We add a 6th block so that the synchronizer can detect the reorg
553 set2 := `
554 Type: Blockchain
555
556 AddToken(1)
557 AddToken(2)
558
559 CreateAccountDeposit(1) C: 2000 // Idx=256+1=257
560
561 CreateAccountCoordinator(1) A // Idx=256+0=256
562
563 > batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{1}
564 > batchL1 // forge defined L1UserTxs{1}, freeze L1UserTxs{nil}
565 > block // blockNum=2
566 > block // blockNum=3
567 > block // blockNum=4
568 > block // blockNum=5
569 > block // blockNum=6
570 `
571 tc = til.NewContext(chainID, common.RollupConstMaxL1UserTx)
572 tilCfgExtra = til.ConfigExtra{
573 BootCoordAddr: bootCoordAddr,
574 CoordUser: "A",
575 }
576 blocks, err = tc.GenerateBlocks(set2)
577 require.NoError(t, err)
578
579 for i := 0; i < 4; i++ {
580 client.CtlRollback()
581 }
582 block := client.CtlLastBlock()
583 require.Equal(t, int64(1), block.Num)
584
585 // Generate extra required data
586 ethAddTokens(blocks, client)
587
588 err = tc.FillBlocksExtra(blocks, &tilCfgExtra)
589 require.NoError(t, err)
590 tc.FillBlocksL1UserTxsBatchNum(blocks)
591
592 // Add block data to the smart contracts
593 err = client.CtlAddBlocks(blocks)
594 require.NoError(t, err)
595
596 // First sync detects the reorg and discards 4 blocks
597 syncBlock, discards, err = s.Sync2(ctx, nil)
598 require.NoError(t, err)
599 expetedDiscards := int64(4)
600 require.Equal(t, &expetedDiscards, discards)
601 require.Nil(t, syncBlock)
602 stats = s.Stats()
603 assert.Equal(t, false, stats.Synced())
604 assert.Equal(t, int64(6), stats.Eth.LastBlock.Num)
605 vars = s.SCVars()
606 assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
607 assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
608 assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
609
610 // At this point, the DB only has data up to block 1
611 dbBlock, err := s.historyDB.GetLastBlock()
612 require.NoError(t, err)
613 assert.Equal(t, int64(1), dbBlock.Num)
614
615 // Accounts in HistoryDB and StateDB must be empty
616 dbAccounts, err := s.historyDB.GetAllAccounts()
617 require.NoError(t, err)
618 sdbAccounts, err := s.stateDB.GetAccounts()
619 require.NoError(t, err)
620 assert.Equal(t, 0, len(dbAccounts))
621 assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
622
623 // Sync blocks 2-6
624 for i := 0; i < 5; i++ {
625 syncBlock, discards, err = s.Sync2(ctx, nil)
626 require.NoError(t, err)
627 require.Nil(t, discards)
628 require.NotNil(t, syncBlock)
629 assert.Nil(t, syncBlock.Rollup.Vars)
630 assert.Nil(t, syncBlock.Auction.Vars)
631 assert.Nil(t, syncBlock.WDelayer.Vars)
632 assert.Equal(t, int64(2+i), syncBlock.Block.Num)
633
634 stats = s.Stats()
635 assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
636 assert.Equal(t, int64(6), stats.Eth.LastBlock.Num)
637 assert.Equal(t, int64(2+i), stats.Sync.LastBlock.Num)
638 if i == 4 {
639 assert.Equal(t, true, stats.Synced())
640 } else {
641 assert.Equal(t, false, stats.Synced())
642 }
643
644 vars = s.SCVars()
645 assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
646 assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
647 assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
648 }
649
650 dbBlock, err = s.historyDB.GetLastBlock()
651 require.NoError(t, err)
652 assert.Equal(t, int64(6), dbBlock.Num)
653
654 // Accounts in HistoryDB and StateDB is only 2 entries
655 dbAccounts, err = s.historyDB.GetAllAccounts()
656 require.NoError(t, err)
657 sdbAccounts, err = s.stateDB.GetAccounts()
658 require.NoError(t, err)
659 assert.Equal(t, 2, len(dbAccounts))
660 assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
661}