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package synchronizer
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"os"
"sort"
"testing"
"time"
ethCommon "github.com/ethereum/go-ethereum/common"
"github.com/hermeznetwork/hermez-node/common"
dbUtils "github.com/hermeznetwork/hermez-node/db"
"github.com/hermeznetwork/hermez-node/db/historydb"
"github.com/hermeznetwork/hermez-node/db/statedb"
"github.com/hermeznetwork/hermez-node/eth"
"github.com/hermeznetwork/hermez-node/test"
"github.com/hermeznetwork/hermez-node/test/til"
"github.com/jinzhu/copier"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var tokenConsts = map[common.TokenID]eth.ERC20Consts{}
type timer struct {
time int64
}
func (t *timer) Time() int64 {
currentTime := t.time
t.time++
return currentTime
}
func accountsCmp(accounts []common.Account) func(i, j int) bool {
return func(i, j int) bool { return accounts[i].Idx < accounts[j].Idx }
}
// Check Sync output and HistoryDB state against expected values generated by
// til
func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBlock *common.BlockData) {
// Check Blocks
dbBlocks, err := s.historyDB.GetAllBlocks()
require.NoError(t, err)
dbBlocks = dbBlocks[1:] // ignore block 0, added by default in the DB
assert.Equal(t, blockNum, len(dbBlocks))
assert.Equal(t, int64(blockNum), dbBlocks[blockNum-1].Num)
assert.NotEqual(t, dbBlocks[blockNum-1].Hash, dbBlocks[blockNum-2].Hash)
assert.Greater(t, dbBlocks[blockNum-1].Timestamp.Unix(), dbBlocks[blockNum-2].Timestamp.Unix())
// Check Tokens
assert.Equal(t, len(block.Rollup.AddedTokens), len(syncBlock.Rollup.AddedTokens))
dbTokens, err := s.historyDB.GetAllTokens()
require.NoError(t, err)
dbTokens = dbTokens[1:] // ignore token 0, added by default in the DB
for i, token := range block.Rollup.AddedTokens {
dbToken := dbTokens[i]
syncToken := syncBlock.Rollup.AddedTokens[i]
assert.Equal(t, block.Block.Num, syncToken.EthBlockNum)
assert.Equal(t, token.TokenID, syncToken.TokenID)
assert.Equal(t, token.EthAddr, syncToken.EthAddr)
tokenConst := tokenConsts[token.TokenID]
assert.Equal(t, tokenConst.Name, syncToken.Name)
assert.Equal(t, tokenConst.Symbol, syncToken.Symbol)
assert.Equal(t, tokenConst.Decimals, syncToken.Decimals)
var tokenCpy historydb.TokenWithUSD
//nolint:gosec
require.Nil(t, copier.Copy(&tokenCpy, &token)) // copy common.Token to historydb.TokenWithUSD
require.Nil(t, copier.Copy(&tokenCpy, &tokenConst)) // copy common.Token to historydb.TokenWithUSD
tokenCpy.ItemID = dbToken.ItemID // we don't care about ItemID
assert.Equal(t, tokenCpy, dbToken)
}
// Check submitted L1UserTxs
assert.Equal(t, len(block.Rollup.L1UserTxs), len(syncBlock.Rollup.L1UserTxs))
dbL1UserTxs, err := s.historyDB.GetAllL1UserTxs()
require.NoError(t, err)
// Ignore BatchNum in syncBlock.L1UserTxs because this value is set by
// the HistoryDB. Also ignore EffectiveAmount & EffectiveDepositAmount
// because this value is set by StateDB.ProcessTxs.
for i := range syncBlock.Rollup.L1UserTxs {
syncBlock.Rollup.L1UserTxs[i].BatchNum = block.Rollup.L1UserTxs[i].BatchNum
assert.Nil(t, syncBlock.Rollup.L1UserTxs[i].EffectiveDepositAmount)
assert.Nil(t, syncBlock.Rollup.L1UserTxs[i].EffectiveAmount)
}
assert.Equal(t, block.Rollup.L1UserTxs, syncBlock.Rollup.L1UserTxs)
for _, tx := range block.Rollup.L1UserTxs {
var dbTx *common.L1Tx
// Find tx in DB output
for _, _dbTx := range dbL1UserTxs {
if *tx.ToForgeL1TxsNum == *_dbTx.ToForgeL1TxsNum &&
tx.Position == _dbTx.Position {
dbTx = new(common.L1Tx)
*dbTx = _dbTx
break
}
}
// If the tx has been forged in this block, this will be
// reflected in the DB, and so the Effective values will be
// already set
if dbTx.BatchNum != nil {
tx.EffectiveAmount = tx.Amount
tx.EffectiveDepositAmount = tx.DepositAmount
}
assert.Equal(t, &tx, dbTx) //nolint:gosec
}
// Check Batches
assert.Equal(t, len(block.Rollup.Batches), len(syncBlock.Rollup.Batches))
dbBatches, err := s.historyDB.GetAllBatches()
require.NoError(t, err)
dbL1CoordinatorTxs, err := s.historyDB.GetAllL1CoordinatorTxs()
require.NoError(t, err)
dbL2Txs, err := s.historyDB.GetAllL2Txs()
require.NoError(t, err)
dbExits, err := s.historyDB.GetAllExits()
require.NoError(t, err)
// dbL1CoordinatorTxs := []common.L1Tx{}
for i, batch := range block.Rollup.Batches {
var dbBatch *common.Batch
// Find batch in DB output
for _, _dbBatch := range dbBatches {
if batch.Batch.BatchNum == _dbBatch.BatchNum {
dbBatch = new(common.Batch)
*dbBatch = _dbBatch
break
}
}
syncBatch := syncBlock.Rollup.Batches[i]
// We don't care about TotalFeesUSD. Use the syncBatch that
// has a TotalFeesUSD inserted by the HistoryDB
batch.Batch.TotalFeesUSD = syncBatch.Batch.TotalFeesUSD
assert.Equal(t, batch.CreatedAccounts, syncBatch.CreatedAccounts)
batch.Batch.NumAccounts = len(batch.CreatedAccounts)
// Test field by field to facilitate debugging of errors
assert.Equal(t, batch.L1UserTxs, syncBatch.L1UserTxs)
assert.Equal(t, batch.L1CoordinatorTxs, syncBatch.L1CoordinatorTxs)
assert.Equal(t, batch.L2Txs, syncBatch.L2Txs)
// In exit tree, we only check AccountIdx and Balance, because
// it's what we have precomputed before.
require.Equal(t, len(batch.ExitTree), len(syncBatch.ExitTree))
for j := range batch.ExitTree {
exit := &batch.ExitTree[j]
assert.Equal(t, exit.AccountIdx, syncBatch.ExitTree[j].AccountIdx)
assert.Equal(t, exit.Balance, syncBatch.ExitTree[j].Balance)
*exit = syncBatch.ExitTree[j]
}
assert.Equal(t, batch.Batch, syncBatch.Batch)
assert.Equal(t, batch, syncBatch)
assert.Equal(t, &batch.Batch, dbBatch) //nolint:gosec
// Check forged L1UserTxs from DB, and check effective values
// in sync output
for j, tx := range batch.L1UserTxs {
var dbTx *common.L1Tx
// Find tx in DB output
for _, _dbTx := range dbL1UserTxs {
if *tx.BatchNum == *_dbTx.BatchNum &&
tx.Position == _dbTx.Position {
dbTx = new(common.L1Tx)
*dbTx = _dbTx
break
}
}
assert.Equal(t, &tx, dbTx) //nolint:gosec
syncTx := &syncBlock.Rollup.Batches[i].L1UserTxs[j]
assert.Equal(t, syncTx.DepositAmount, syncTx.EffectiveDepositAmount)
assert.Equal(t, syncTx.Amount, syncTx.EffectiveAmount)
}
// Check L1CoordinatorTxs from DB
for _, tx := range batch.L1CoordinatorTxs {
var dbTx *common.L1Tx
// Find tx in DB output
for _, _dbTx := range dbL1CoordinatorTxs {
if *tx.BatchNum == *_dbTx.BatchNum &&
tx.Position == _dbTx.Position {
dbTx = new(common.L1Tx)
*dbTx = _dbTx
break
}
}
assert.Equal(t, &tx, dbTx) //nolint:gosec
}
// Check L2Txs from DB
for _, tx := range batch.L2Txs {
var dbTx *common.L2Tx
// Find tx in DB output
for _, _dbTx := range dbL2Txs {
if tx.BatchNum == _dbTx.BatchNum &&
tx.Position == _dbTx.Position {
dbTx = new(common.L2Tx)
*dbTx = _dbTx
break
}
}
assert.Equal(t, &tx, dbTx) //nolint:gosec
}
// Check Exits from DB
for _, exit := range batch.ExitTree {
var dbExit *common.ExitInfo
// Find exit in DB output
for _, _dbExit := range dbExits {
if exit.BatchNum == _dbExit.BatchNum &&
exit.AccountIdx == _dbExit.AccountIdx {
dbExit = new(common.ExitInfo)
*dbExit = _dbExit
break
}
}
// Compare MerkleProof in JSON because unmarshaled 0
// big.Int leaves the internal big.Int array at nil,
// and gives trouble when comparing big.Int with
// internal big.Int array != nil but empty.
mtp, err := json.Marshal(exit.MerkleProof)
require.NoError(t, err)
dbMtp, err := json.Marshal(dbExit.MerkleProof)
require.NoError(t, err)
assert.Equal(t, mtp, dbMtp)
dbExit.MerkleProof = exit.MerkleProof
assert.Equal(t, &exit, dbExit) //nolint:gosec
}
}
// Compare accounts from HistoryDB with StateDB (they should match)
dbAccounts, err := s.historyDB.GetAllAccounts()
require.NoError(t, err)
sdbAccounts, err := s.stateDB.GetAccounts()
require.NoError(t, err)
assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
}
func assertEqualAccountsHistoryDBStateDB(t *testing.T, hdbAccs, sdbAccs []common.Account) {
assert.Equal(t, len(hdbAccs), len(sdbAccs))
sort.SliceStable(hdbAccs, accountsCmp(hdbAccs))
sort.SliceStable(sdbAccs, accountsCmp(sdbAccs))
for i := range hdbAccs {
hdbAcc := hdbAccs[i]
sdbAcc := sdbAccs[i]
assert.Equal(t, hdbAcc.Idx, sdbAcc.Idx)
assert.Equal(t, hdbAcc.TokenID, sdbAcc.TokenID)
assert.Equal(t, hdbAcc.EthAddr, sdbAcc.EthAddr)
assert.Equal(t, hdbAcc.PublicKey, sdbAcc.PublicKey)
}
}
// ethAddTokens adds the tokens from the blocks to the blockchain
func ethAddTokens(blocks []common.BlockData, client *test.Client) {
for _, block := range blocks {
for _, token := range block.Rollup.AddedTokens {
consts := eth.ERC20Consts{
Name: fmt.Sprintf("Token %d", token.TokenID),
Symbol: fmt.Sprintf("TK%d", token.TokenID),
Decimals: 18,
}
tokenConsts[token.TokenID] = consts
client.CtlAddERC20(token.EthAddr, consts)
}
}
}
func TestSync(t *testing.T) {
//
// Setup
//
ctx := context.Background()
// Int State DB
dir, err := ioutil.TempDir("", "tmpdb")
require.NoError(t, err)
defer assert.Nil(t, os.RemoveAll(dir))
stateDB, err := statedb.NewStateDB(dir, statedb.TypeSynchronizer, 32)
require.NoError(t, err)
// Init History DB
pass := os.Getenv("POSTGRES_PASS")
db, err := dbUtils.InitSQLDB(5432, "localhost", "hermez", pass, "hermez")
require.NoError(t, err)
historyDB := historydb.NewHistoryDB(db)
// Clear DB
test.WipeDB(historyDB.DB())
// Init eth client
var timer timer
clientSetup := test.NewClientSetupExample()
bootCoordAddr := clientSetup.AuctionVariables.BootCoordinator
client := test.NewClient(true, &timer, &ethCommon.Address{}, clientSetup)
// Create Synchronizer
s, err := NewSynchronizer(client, historyDB, stateDB, Config{
StatsRefreshPeriod: 0 * time.Second,
})
require.NoError(t, err)
//
// First Sync from an initial state
//
stats := s.Stats()
assert.Equal(t, false, stats.Synced())
// Test Sync for rollup genesis block
syncBlock, discards, err := s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
require.Nil(t, syncBlock.Rollup.Vars)
require.Nil(t, syncBlock.Auction.Vars)
require.Nil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(1), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(1), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(1), stats.Sync.LastBlock.Num)
vars := s.SCVars()
assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
dbBlocks, err := s.historyDB.GetAllBlocks()
require.NoError(t, err)
assert.Equal(t, 2, len(dbBlocks))
assert.Equal(t, int64(1), dbBlocks[1].Num)
// Sync again and expect no new blocks
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.Nil(t, syncBlock)
//
// Generate blockchain and smart contract data, and fill the test smart contracts
//
// Generate blockchain data with til
set1 := `
Type: Blockchain
AddToken(1)
AddToken(2)
AddToken(3)
CreateAccountDeposit(1) C: 2000 // Idx=256+2=258
CreateAccountDeposit(2) A: 2000 // Idx=256+3=259
CreateAccountDeposit(1) D: 500 // Idx=256+4=260
CreateAccountDeposit(2) B: 500 // Idx=256+5=261
CreateAccountDeposit(2) C: 500 // Idx=256+6=262
CreateAccountCoordinator(1) A // Idx=256+0=256
CreateAccountCoordinator(1) B // Idx=256+1=257
> batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{5}
> batchL1 // forge defined L1UserTxs{5}, freeze L1UserTxs{nil}
> block // blockNum=2
CreateAccountDepositTransfer(1) E-A: 1000, 200 // Idx=256+7=263
ForceTransfer(1) C-B: 80
ForceExit(1) A: 100
ForceExit(1) B: 80
ForceTransfer(1) A-D: 100
Transfer(1) C-A: 100 (200)
Exit(1) C: 50 (200)
Exit(1) D: 30 (200)
> batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{3}
> batchL1 // forge L1UserTxs{3}, freeze defined L1UserTxs{nil}
> block // blockNum=3
`
tc := til.NewContext(common.RollupConstMaxL1UserTx)
tilCfgExtra := til.ConfigExtra{
BootCoordAddr: bootCoordAddr,
CoordUser: "A",
}
blocks, err := tc.GenerateBlocks(set1)
require.NoError(t, err)
// Sanity check
require.Equal(t, 2, len(blocks))
// blocks 0 (blockNum=2)
i := 0
require.Equal(t, 2, int(blocks[i].Block.Num))
require.Equal(t, 3, len(blocks[i].Rollup.AddedTokens))
require.Equal(t, 5, len(blocks[i].Rollup.L1UserTxs))
require.Equal(t, 2, len(blocks[i].Rollup.Batches))
require.Equal(t, 2, len(blocks[i].Rollup.Batches[0].L1CoordinatorTxs))
// blocks 1 (blockNum=3)
i = 1
require.Equal(t, 3, int(blocks[i].Block.Num))
require.Equal(t, 5, len(blocks[i].Rollup.L1UserTxs))
require.Equal(t, 2, len(blocks[i].Rollup.Batches))
require.Equal(t, 3, len(blocks[i].Rollup.Batches[0].L2Txs))
// Generate extra required data
ethAddTokens(blocks, client)
err = tc.FillBlocksExtra(blocks, &tilCfgExtra)
require.NoError(t, err)
tc.FillBlocksL1UserTxsBatchNum(blocks)
err = tc.FillBlocksForgedL1UserTxs(blocks)
require.NoError(t, err)
// Add block data to the smart contracts
err = client.CtlAddBlocks(blocks)
require.NoError(t, err)
//
// Sync to synchronize the current state from the test smart contracts,
// and check the outcome
//
// Block 2
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
assert.Nil(t, syncBlock.Rollup.Vars)
assert.Nil(t, syncBlock.Auction.Vars)
assert.Nil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(2), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(3), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(2), stats.Sync.LastBlock.Num)
checkSyncBlock(t, s, 2, &blocks[0], syncBlock)
// Block 3
syncBlock, discards, err = s.Sync2(ctx, nil)
assert.NoError(t, err)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
assert.Nil(t, syncBlock.Rollup.Vars)
assert.Nil(t, syncBlock.Auction.Vars)
assert.Nil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(3), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(3), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(3), stats.Sync.LastBlock.Num)
checkSyncBlock(t, s, 3, &blocks[1], syncBlock)
// Block 4
// Generate 2 withdraws manually
_, err = client.RollupWithdrawMerkleProof(tc.Users["A"].BJJ.Public().Compress(), 1, 4, 256, big.NewInt(100), []*big.Int{}, true)
require.NoError(t, err)
_, err = client.RollupWithdrawMerkleProof(tc.Users["C"].BJJ.Public().Compress(), 1, 3, 258, big.NewInt(50), []*big.Int{}, false)
require.NoError(t, err)
client.CtlMineBlock()
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
assert.Nil(t, syncBlock.Rollup.Vars)
assert.Nil(t, syncBlock.Auction.Vars)
assert.Nil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(4), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(4), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(4), stats.Sync.LastBlock.Num)
vars = s.SCVars()
assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
dbExits, err := s.historyDB.GetAllExits()
require.NoError(t, err)
foundA1, foundC1 := false, false
for _, exit := range dbExits {
if exit.AccountIdx == 256 && exit.BatchNum == 4 {
foundA1 = true
assert.Equal(t, int64(4), *exit.InstantWithdrawn)
}
if exit.AccountIdx == 258 && exit.BatchNum == 3 {
foundC1 = true
assert.Equal(t, int64(4), *exit.DelayedWithdrawRequest)
}
}
assert.True(t, foundA1)
assert.True(t, foundC1)
// Block 5
// Update variables manually
rollupVars, auctionVars, wDelayerVars, err := s.historyDB.GetSCVars()
require.NoError(t, err)
rollupVars.ForgeL1L2BatchTimeout = 42
_, err = client.RollupUpdateForgeL1L2BatchTimeout(rollupVars.ForgeL1L2BatchTimeout)
require.NoError(t, err)
auctionVars.OpenAuctionSlots = 17
_, err = client.AuctionSetOpenAuctionSlots(auctionVars.OpenAuctionSlots)
require.NoError(t, err)
wDelayerVars.WithdrawalDelay = 99
_, err = client.WDelayerChangeWithdrawalDelay(wDelayerVars.WithdrawalDelay)
require.NoError(t, err)
client.CtlMineBlock()
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
assert.NotNil(t, syncBlock.Rollup.Vars)
assert.NotNil(t, syncBlock.Auction.Vars)
assert.NotNil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(5), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(5), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(5), stats.Sync.LastBlock.Num)
vars = s.SCVars()
assert.NotEqual(t, clientSetup.RollupVariables, vars.Rollup)
assert.NotEqual(t, clientSetup.AuctionVariables, vars.Auction)
assert.NotEqual(t, clientSetup.WDelayerVariables, vars.WDelayer)
dbRollupVars, dbAuctionVars, dbWDelayerVars, err := s.historyDB.GetSCVars()
require.NoError(t, err)
// Set EthBlockNum for Vars to the blockNum in which they were updated (should be 5)
rollupVars.EthBlockNum = syncBlock.Block.Num
auctionVars.EthBlockNum = syncBlock.Block.Num
wDelayerVars.EthBlockNum = syncBlock.Block.Num
assert.Equal(t, rollupVars, dbRollupVars)
assert.Equal(t, auctionVars, dbAuctionVars)
assert.Equal(t, wDelayerVars, dbWDelayerVars)
//
// Reorg test
//
// Redo blocks 2-5 (as a reorg) only leaving:
// - 2 create account transactions
// - 2 add tokens
// We add a 6th block so that the synchronizer can detect the reorg
set2 := `
Type: Blockchain
AddToken(1)
AddToken(2)
CreateAccountDeposit(1) C: 2000 // Idx=256+1=257
CreateAccountCoordinator(1) A // Idx=256+0=256
> batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{1}
> batchL1 // forge defined L1UserTxs{1}, freeze L1UserTxs{nil}
> block // blockNum=2
> block // blockNum=3
> block // blockNum=4
> block // blockNum=5
> block // blockNum=6
`
tc = til.NewContext(common.RollupConstMaxL1UserTx)
tilCfgExtra = til.ConfigExtra{
BootCoordAddr: bootCoordAddr,
CoordUser: "A",
}
blocks, err = tc.GenerateBlocks(set2)
require.NoError(t, err)
for i := 0; i < 4; i++ {
client.CtlRollback()
}
block := client.CtlLastBlock()
require.Equal(t, int64(1), block.Num)
// Generate extra required data
ethAddTokens(blocks, client)
err = tc.FillBlocksExtra(blocks, &tilCfgExtra)
require.NoError(t, err)
tc.FillBlocksL1UserTxsBatchNum(blocks)
// Add block data to the smart contracts
err = client.CtlAddBlocks(blocks)
require.NoError(t, err)
// First sync detects the reorg and discards 4 blocks
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
expetedDiscards := int64(4)
require.Equal(t, &expetedDiscards, discards)
require.Nil(t, syncBlock)
stats = s.Stats()
assert.Equal(t, false, stats.Synced())
assert.Equal(t, int64(6), stats.Eth.LastBlock.Num)
vars = s.SCVars()
assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
// At this point, the DB only has data up to block 1
dbBlock, err := s.historyDB.GetLastBlock()
require.NoError(t, err)
assert.Equal(t, int64(1), dbBlock.Num)
// Accounts in HistoryDB and StateDB must be empty
dbAccounts, err := s.historyDB.GetAllAccounts()
require.NoError(t, err)
sdbAccounts, err := s.stateDB.GetAccounts()
require.NoError(t, err)
assert.Equal(t, 0, len(dbAccounts))
assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
// Sync blocks 2-6
for i := 0; i < 5; i++ {
syncBlock, discards, err = s.Sync2(ctx, nil)
require.NoError(t, err)
require.Nil(t, discards)
require.NotNil(t, syncBlock)
assert.Nil(t, syncBlock.Rollup.Vars)
assert.Nil(t, syncBlock.Auction.Vars)
assert.Nil(t, syncBlock.WDelayer.Vars)
assert.Equal(t, int64(2+i), syncBlock.Block.Num)
stats = s.Stats()
assert.Equal(t, int64(1), stats.Eth.FirstBlockNum)
assert.Equal(t, int64(6), stats.Eth.LastBlock.Num)
assert.Equal(t, int64(2+i), stats.Sync.LastBlock.Num)
if i == 4 {
assert.Equal(t, true, stats.Synced())
} else {
assert.Equal(t, false, stats.Synced())
}
vars = s.SCVars()
assert.Equal(t, clientSetup.RollupVariables, vars.Rollup)
assert.Equal(t, clientSetup.AuctionVariables, vars.Auction)
assert.Equal(t, clientSetup.WDelayerVariables, vars.WDelayer)
}
dbBlock, err = s.historyDB.GetLastBlock()
require.NoError(t, err)
assert.Equal(t, int64(6), dbBlock.Num)
// Accounts in HistoryDB and StateDB is only 2 entries
dbAccounts, err = s.historyDB.GetAllAccounts()
require.NoError(t, err)
sdbAccounts, err = s.stateDB.GetAccounts()
require.NoError(t, err)
assert.Equal(t, 2, len(dbAccounts))
assertEqualAccountsHistoryDBStateDB(t, dbAccounts, sdbAccounts)
}