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package txprocessor
import ( "encoding/binary" "encoding/hex" "io/ioutil" "math/big" "os" "testing"
ethCommon "github.com/ethereum/go-ethereum/common" "github.com/hermeznetwork/hermez-node/common" "github.com/hermeznetwork/hermez-node/db/statedb" "github.com/hermeznetwork/hermez-node/log" "github.com/hermeznetwork/hermez-node/test/til" "github.com/hermeznetwork/hermez-node/test/txsets" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require")
func checkBalance(t *testing.T, tc *til.Context, sdb *statedb.StateDB, username string, tokenid int, expected string) { idx := tc.Users[username].Accounts[common.TokenID(tokenid)].Idx acc, err := sdb.GetAccount(idx) require.NoError(t, err) assert.Equal(t, expected, acc.Balance.String())}
func checkBalanceByIdx(t *testing.T, sdb *statedb.StateDB, idx common.Idx, expected string) { acc, err := sdb.GetAccount(idx) require.NoError(t, err) assert.Equal(t, expected, acc.Balance.String())}
func TestComputeEffectiveAmounts(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeSynchronizer, NLevels: 32}) assert.NoError(t, err)
set := ` Type: Blockchain AddToken(1) CreateAccountDeposit(0) A: 10 CreateAccountDeposit(0) B: 10 CreateAccountDeposit(1) C: 10 > batchL1 > batchL1 > block ` chainID := uint16(0) tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx) blocks, err := tc.GenerateBlocks(set) require.NoError(t, err)
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 16, ChainID: chainID, } tp := NewTxProcessor(sdb, config) _, err = tp.ProcessTxs(nil, blocks[0].Rollup.L1UserTxs, nil, nil) require.NoError(t, err)
tx := common.L1Tx{ FromIdx: 256, ToIdx: 257, Amount: big.NewInt(10), DepositAmount: big.NewInt(0), FromEthAddr: tc.Users["A"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(0), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(10), tx.EffectiveAmount)
// expect error due not enough funds
tx = common.L1Tx{ FromIdx: 256, ToIdx: 257, Amount: big.NewInt(11), DepositAmount: big.NewInt(0), FromEthAddr: tc.Users["A"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(0), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// expect no-error as there are enough funds in a
// CreateAccountDepositTransfer transction
tx = common.L1Tx{ FromIdx: 0, ToIdx: 257, Amount: big.NewInt(10), DepositAmount: big.NewInt(10), UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(10), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(10), tx.EffectiveAmount)
// expect error due not enough funds in a CreateAccountDepositTransfer
// transction
tx = common.L1Tx{ FromIdx: 0, ToIdx: 257, Amount: big.NewInt(11), DepositAmount: big.NewInt(10), UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(10), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// expect error due not same TokenID
tx = common.L1Tx{ FromIdx: 256, ToIdx: 258, Amount: big.NewInt(5), DepositAmount: big.NewInt(0), FromEthAddr: tc.Users["A"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(0), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// expect error due not same EthAddr
tx = common.L1Tx{ FromIdx: 256, ToIdx: 257, Amount: big.NewInt(8), DepositAmount: big.NewInt(0), FromEthAddr: tc.Users["B"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(0), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// expect on TxTypeDepositTransfer EffectiveAmount=0, but
// EffectiveDepositAmount!=0, due not enough funds to make the transfer
tx = common.L1Tx{ FromIdx: 256, ToIdx: 257, Amount: big.NewInt(20), DepositAmount: big.NewInt(8), FromEthAddr: tc.Users["A"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(8), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// expect on TxTypeDepositTransfer EffectiveAmount=0, but
// EffectiveDepositAmount!=0, due different EthAddr from FromIdx
// address
tx = common.L1Tx{ FromIdx: 256, ToIdx: 257, Amount: big.NewInt(8), DepositAmount: big.NewInt(8), FromEthAddr: tc.Users["B"].Addr, UserOrigin: true, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(8), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// CreateAccountDepositTransfer for TokenID=1 when receiver does not
// have an account for that TokenID, expect that the
// EffectiveDepositAmount=DepositAmount, but EffectiveAmount==0
tx = common.L1Tx{ FromIdx: 0, ToIdx: 257, Amount: big.NewInt(8), DepositAmount: big.NewInt(8), FromEthAddr: tc.Users["A"].Addr, TokenID: 2, UserOrigin: true, Type: common.TxTypeCreateAccountDepositTransfer, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(8), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)
// DepositTransfer for TokenID=1 when receiver does not have an account
// for that TokenID, expect that the
// EffectiveDepositAmount=DepositAmount, but EffectiveAmount=0
tx = common.L1Tx{ FromIdx: 258, ToIdx: 256, Amount: big.NewInt(8), DepositAmount: big.NewInt(8), FromEthAddr: tc.Users["C"].Addr, TokenID: 1, UserOrigin: true, Type: common.TxTypeDepositTransfer, } tp.computeEffectiveAmounts(&tx) assert.Equal(t, big.NewInt(8), tx.EffectiveDepositAmount) assert.Equal(t, big.NewInt(0), tx.EffectiveAmount)}
func TestProcessTxsBalances(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeSynchronizer, NLevels: 32}) assert.NoError(t, err)
chainID := uint16(0) // generate test transactions from test.SetBlockchain0 code
tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx) blocks, err := tc.GenerateBlocks(txsets.SetBlockchainMinimumFlow0) require.NoError(t, err)
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 16, ChainID: chainID, } tp := NewTxProcessor(sdb, config)
log.Debug("block:0 batch:1, only L1CoordinatorTxs") _, err = tp.ProcessTxs(nil, nil, blocks[0].Rollup.Batches[0].L1CoordinatorTxs, nil) require.NoError(t, err) assert.Equal(t, "0", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:2") l1UserTxs := []common.L1Tx{} l2Txs := common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) _, err = tp.ProcessTxs(nil, l1UserTxs, blocks[0].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, "0", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:3") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[2].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[2].L2Txs) _, err = tp.ProcessTxs(nil, l1UserTxs, blocks[0].Rollup.Batches[2].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "A", 0, "500") assert.Equal(t, "13644148972047617726265275926674266298636745191961029124811988256139761111521", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:4") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[3].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[3].L2Txs) _, err = tp.ProcessTxs(nil, l1UserTxs, blocks[0].Rollup.Batches[3].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "A", 0, "500") checkBalance(t, tc, sdb, "A", 1, "500") assert.Equal(t, "12433441613247342495680642890662773367605896324555599297255745922589338651261", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:5") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[4].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[4].L2Txs) _, err = tp.ProcessTxs(nil, l1UserTxs, blocks[0].Rollup.Batches[4].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "A", 0, "500") checkBalance(t, tc, sdb, "A", 1, "500") assert.Equal(t, "12433441613247342495680642890662773367605896324555599297255745922589338651261", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:6") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[5].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[5].L2Txs) _, err = tp.ProcessTxs(nil, l1UserTxs, blocks[0].Rollup.Batches[5].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "A", 0, "600") checkBalance(t, tc, sdb, "A", 1, "500") checkBalance(t, tc, sdb, "B", 0, "400") assert.Equal(t, "4191361650490017591061467288209836928064232431729236465872209988325272262963", tp.s.MT.Root().BigInt().String())
coordIdxs := []common.Idx{261, 262} log.Debug("block:0 batch:7") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[6].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[6].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, blocks[0].Rollup.Batches[6].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "Coord", 0, "10") checkBalance(t, tc, sdb, "Coord", 1, "20") checkBalance(t, tc, sdb, "A", 0, "600") checkBalance(t, tc, sdb, "A", 1, "280") checkBalance(t, tc, sdb, "B", 0, "290") checkBalance(t, tc, sdb, "B", 1, "200") checkBalance(t, tc, sdb, "C", 0, "100") checkBalance(t, tc, sdb, "D", 0, "800") assert.Equal(t, "7614010373759339299470010949167613050707822522530721724565424494781010548240", tp.s.MT.Root().BigInt().String())
log.Debug("block:0 batch:8") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[7].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[7].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, blocks[0].Rollup.Batches[7].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "Coord", 0, "35") checkBalance(t, tc, sdb, "Coord", 1, "30") checkBalance(t, tc, sdb, "A", 0, "430") checkBalance(t, tc, sdb, "A", 1, "280") checkBalance(t, tc, sdb, "B", 0, "390") checkBalance(t, tc, sdb, "B", 1, "90") checkBalance(t, tc, sdb, "C", 0, "45") checkBalance(t, tc, sdb, "C", 1, "100") checkBalance(t, tc, sdb, "D", 0, "800") assert.Equal(t, "21231789250434471575486264439945776732824482207853465397552873521865656677689", tp.s.MT.Root().BigInt().String())
coordIdxs = []common.Idx{262} log.Debug("block:1 batch:1") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[1].Rollup.Batches[0].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[0].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, blocks[1].Rollup.Batches[0].L1CoordinatorTxs, l2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "Coord", 0, "75") checkBalance(t, tc, sdb, "Coord", 1, "30") checkBalance(t, tc, sdb, "A", 0, "730") checkBalance(t, tc, sdb, "A", 1, "280") checkBalance(t, tc, sdb, "B", 0, "380") checkBalance(t, tc, sdb, "B", 1, "90") checkBalance(t, tc, sdb, "C", 0, "845") checkBalance(t, tc, sdb, "C", 1, "100") checkBalance(t, tc, sdb, "D", 0, "470") assert.Equal(t, "11289313644810782435120113035387729451095637380468777086895109386127538554246", tp.s.MT.Root().BigInt().String())
coordIdxs = []common.Idx{} log.Debug("block:1 batch:2") l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[1].Rollup.Batches[1].Batch.ForgeL1TxsNum]) l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[1].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, blocks[1].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, "10342681351319338354912862547249967104198317571995055517008223832276478908482", tp.s.MT.Root().BigInt().String())
// use Set of PoolL2 txs
poolL2Txs, err := tc.GeneratePoolL2Txs(txsets.SetPoolL2MinimumFlow1) assert.NoError(t, err)
_, err = tp.ProcessTxs(coordIdxs, []common.L1Tx{}, []common.L1Tx{}, poolL2Txs) require.NoError(t, err) checkBalance(t, tc, sdb, "Coord", 0, "75") checkBalance(t, tc, sdb, "Coord", 1, "30") checkBalance(t, tc, sdb, "A", 0, "510") checkBalance(t, tc, sdb, "A", 1, "170") checkBalance(t, tc, sdb, "B", 0, "480") checkBalance(t, tc, sdb, "B", 1, "190") checkBalance(t, tc, sdb, "C", 0, "845") checkBalance(t, tc, sdb, "C", 1, "100") checkBalance(t, tc, sdb, "D", 0, "360") checkBalance(t, tc, sdb, "F", 0, "100")}
func TestProcessTxsSynchronizer(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeSynchronizer, NLevels: 32}) assert.NoError(t, err)
chainID := uint16(0) // generate test transactions from test.SetBlockchain0 code
tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx) blocks, err := tc.GenerateBlocks(txsets.SetBlockchain0) require.NoError(t, err)
assert.Equal(t, 31, len(blocks[0].Rollup.L1UserTxs)) assert.Equal(t, 4, len(blocks[0].Rollup.Batches[0].L1CoordinatorTxs)) assert.Equal(t, 0, len(blocks[0].Rollup.Batches[1].L1CoordinatorTxs)) assert.Equal(t, 22, len(blocks[0].Rollup.Batches[2].L2Txs)) assert.Equal(t, 1, len(blocks[1].Rollup.Batches[0].L1CoordinatorTxs)) assert.Equal(t, 62, len(blocks[1].Rollup.Batches[0].L2Txs)) assert.Equal(t, 1, len(blocks[1].Rollup.Batches[1].L1CoordinatorTxs)) assert.Equal(t, 8, len(blocks[1].Rollup.Batches[1].L2Txs))
// Coordinator Idx where to send the fees
coordIdxs := []common.Idx{256, 257, 258, 259}
// Idx of user 'A'
idxA1 := tc.Users["A"].Accounts[common.TokenID(1)].Idx
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 32, ChainID: chainID, } tp := NewTxProcessor(sdb, config)
// Process the 1st batch, which contains the L1CoordinatorTxs necessary
// to create the Coordinator accounts to receive the fees
log.Debug("block:0 batch:1, only L1CoordinatorTxs") ptOut, err := tp.ProcessTxs(nil, nil, blocks[0].Rollup.Batches[0].L1CoordinatorTxs, nil) require.NoError(t, err) assert.Equal(t, 4, len(ptOut.CreatedAccounts)) assert.Equal(t, 0, len(ptOut.CollectedFees))
log.Debug("block:0 batch:2") l2Txs := common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) ptOut, err = tp.ProcessTxs(coordIdxs, blocks[0].Rollup.L1UserTxs, blocks[0].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, 0, len(ptOut.ExitInfos)) assert.Equal(t, 31, len(ptOut.CreatedAccounts)) assert.Equal(t, 4, len(ptOut.CollectedFees)) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(0)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(1)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(2)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(3)].String()) acc, err := sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "50", acc.Balance.String())
log.Debug("block:0 batch:3") l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[2].L2Txs) ptOut, err = tp.ProcessTxs(coordIdxs, nil, blocks[0].Rollup.Batches[2].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, 0, len(ptOut.ExitInfos)) assert.Equal(t, 0, len(ptOut.CreatedAccounts)) assert.Equal(t, 4, len(ptOut.CollectedFees)) assert.Equal(t, "2", ptOut.CollectedFees[common.TokenID(0)].String()) assert.Equal(t, "1", ptOut.CollectedFees[common.TokenID(1)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(2)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(3)].String()) acc, err = sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "35", acc.Balance.String())
log.Debug("block:1 batch:1") l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[0].L2Txs) // before processing expect l2Txs[0:2].Nonce==0
assert.Equal(t, common.Nonce(0), l2Txs[0].Nonce) assert.Equal(t, common.Nonce(0), l2Txs[1].Nonce) assert.Equal(t, common.Nonce(0), l2Txs[2].Nonce)
ptOut, err = tp.ProcessTxs(coordIdxs, nil, blocks[1].Rollup.Batches[0].L1CoordinatorTxs, l2Txs) require.NoError(t, err)
// after processing expect l2Txs[0:2].Nonce!=0 and has expected value
assert.Equal(t, common.Nonce(5), l2Txs[0].Nonce) assert.Equal(t, common.Nonce(6), l2Txs[1].Nonce) assert.Equal(t, common.Nonce(7), l2Txs[2].Nonce)
assert.Equal(t, 4, len(ptOut.ExitInfos)) // the 'ForceExit(1)' is not computed yet, as the batch is without L1UserTxs
assert.Equal(t, 1, len(ptOut.CreatedAccounts)) assert.Equal(t, 4, len(ptOut.CollectedFees)) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(0)].String()) assert.Equal(t, "1", ptOut.CollectedFees[common.TokenID(1)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(2)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(3)].String()) acc, err = sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "57", acc.Balance.String())
log.Debug("block:1 batch:2") l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[1].L2Txs) ptOut, err = tp.ProcessTxs(coordIdxs, blocks[1].Rollup.L1UserTxs, blocks[1].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err)
assert.Equal(t, 1, len(ptOut.ExitInfos)) // 1, as previous batch was without L1UserTxs, and has pending the 'ForceExit(1) A: 5', and the 2 exit transactions get grouped under 1 ExitInfo
assert.Equal(t, 1, len(ptOut.CreatedAccounts)) assert.Equal(t, 4, len(ptOut.CollectedFees)) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(0)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(1)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(2)].String()) assert.Equal(t, "0", ptOut.CollectedFees[common.TokenID(3)].String()) acc, err = sdb.GetAccount(idxA1) assert.NoError(t, err) assert.Equal(t, "77", acc.Balance.String())
idxB0 := tc.Users["C"].Accounts[common.TokenID(0)].Idx acc, err = sdb.GetAccount(idxB0) require.NoError(t, err) assert.Equal(t, "51", acc.Balance.String())
// get balance of Coordinator account for TokenID==0
acc, err = sdb.GetAccount(common.Idx(256)) require.NoError(t, err) assert.Equal(t, "2", acc.Balance.String())}
func TestProcessTxsBatchBuilder(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeBatchBuilder, NLevels: 32}) assert.NoError(t, err)
chainID := uint16(0) // generate test transactions from test.SetBlockchain0 code
tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx) blocks, err := tc.GenerateBlocks(txsets.SetBlockchain0) require.NoError(t, err)
// Coordinator Idx where to send the fees
coordIdxs := []common.Idx{256, 257, 258, 259}
// Idx of user 'A'
idxA1 := tc.Users["A"].Accounts[common.TokenID(1)].Idx
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 32, ChainID: chainID, } tp := NewTxProcessor(sdb, config)
// Process the 1st batch, which contains the L1CoordinatorTxs necessary
// to create the Coordinator accounts to receive the fees
log.Debug("block:0 batch:1, only L1CoordinatorTxs") ptOut, err := tp.ProcessTxs(nil, nil, blocks[0].Rollup.Batches[0].L1CoordinatorTxs, nil) require.NoError(t, err) // expect 0 at CreatedAccount, as is only computed when StateDB.Type==TypeSynchronizer
assert.Equal(t, 0, len(ptOut.CreatedAccounts))
log.Debug("block:0 batch:2") l2Txs := common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) ptOut, err = tp.ProcessTxs(coordIdxs, blocks[0].Rollup.L1UserTxs, blocks[0].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, 0, len(ptOut.ExitInfos)) assert.Equal(t, 0, len(ptOut.CreatedAccounts)) acc, err := sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "50", acc.Balance.String())
log.Debug("block:0 batch:3") l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[2].L2Txs) ptOut, err = tp.ProcessTxs(coordIdxs, nil, blocks[0].Rollup.Batches[2].L1CoordinatorTxs, l2Txs) require.NoError(t, err) assert.Equal(t, 0, len(ptOut.ExitInfos)) assert.Equal(t, 0, len(ptOut.CreatedAccounts)) acc, err = sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "35", acc.Balance.String())
log.Debug("block:1 batch:1") l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[0].L2Txs) _, err = tp.ProcessTxs(coordIdxs, nil, blocks[1].Rollup.Batches[0].L1CoordinatorTxs, l2Txs) require.NoError(t, err) acc, err = sdb.GetAccount(idxA1) require.NoError(t, err) assert.Equal(t, "57", acc.Balance.String())
log.Debug("block:1 batch:2") l2Txs = common.L2TxsToPoolL2Txs(blocks[1].Rollup.Batches[1].L2Txs) _, err = tp.ProcessTxs(coordIdxs, blocks[1].Rollup.L1UserTxs, blocks[1].Rollup.Batches[1].L1CoordinatorTxs, l2Txs) require.NoError(t, err) acc, err = sdb.GetAccount(idxA1) assert.NoError(t, err) assert.Equal(t, "77", acc.Balance.String())
idxB0 := tc.Users["C"].Accounts[common.TokenID(0)].Idx acc, err = sdb.GetAccount(idxB0) require.NoError(t, err) assert.Equal(t, "51", acc.Balance.String())
// get balance of Coordinator account for TokenID==0
acc, err = sdb.GetAccount(common.Idx(256)) require.NoError(t, err) assert.Equal(t, common.TokenID(0), acc.TokenID) assert.Equal(t, "2", acc.Balance.String()) acc, err = sdb.GetAccount(common.Idx(257)) require.NoError(t, err) assert.Equal(t, common.TokenID(1), acc.TokenID) assert.Equal(t, "2", acc.Balance.String())
assert.Equal(t, "18894163991492573893706613133132363559300580460789469708968288074813925659539", sdb.MT.Root().BigInt().String())}
func TestProcessTxsRootTestVectors(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeBatchBuilder, NLevels: 32}) assert.NoError(t, err)
// same values than in the js test
bjj0, err := common.BJJFromStringWithChecksum("21b0a1688b37f77b1d1d5539ec3b826db5ac78b2513f574a04c50a7d4f8246d7") assert.NoError(t, err) l1Txs := []common.L1Tx{ { FromIdx: 0, DepositAmount: big.NewInt(16000000), Amount: big.NewInt(0), TokenID: 1, FromBJJ: bjj0, FromEthAddr: ethCommon.HexToAddress("0x7e5f4552091a69125d5dfcb7b8c2659029395bdf"), ToIdx: 0, Type: common.TxTypeCreateAccountDeposit, UserOrigin: true, }, } l2Txs := []common.PoolL2Tx{ { FromIdx: 256, ToIdx: 256, TokenID: 1, Amount: big.NewInt(1000), Nonce: 0, Fee: 126, Type: common.TxTypeTransfer, }, }
chainID := uint16(0) config := Config{ NLevels: 32, MaxFeeTx: 8, MaxTx: 32, MaxL1Tx: 16, ChainID: chainID, } tp := NewTxProcessor(sdb, config) _, err = tp.ProcessTxs(nil, l1Txs, nil, l2Txs) require.NoError(t, err) assert.Equal(t, "9827704113668630072730115158977131501210702363656902211840117643154933433410", sdb.MT.Root().BigInt().String())}
func TestCreateAccountDepositMaxValue(t *testing.T) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
nLevels := 16 sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeBatchBuilder, NLevels: nLevels}) assert.NoError(t, err)
users := txsets.GenerateJsUsers(t)
daMaxHex, err := hex.DecodeString("FFFF") require.NoError(t, err) daMaxF16 := common.Float16(binary.BigEndian.Uint16(daMaxHex)) daMaxBI := daMaxF16.BigInt() assert.Equal(t, "10235000000000000000000000000000000", daMaxBI.String())
daMax1Hex, err := hex.DecodeString("FFFE") require.NoError(t, err) daMax1F16 := common.Float16(binary.BigEndian.Uint16(daMax1Hex)) daMax1BI := daMax1F16.BigInt() assert.Equal(t, "10225000000000000000000000000000000", daMax1BI.String())
l1Txs := []common.L1Tx{ { FromIdx: 0, DepositAmount: daMaxBI, Amount: big.NewInt(0), TokenID: 1, FromBJJ: users[0].BJJ.Public().Compress(), FromEthAddr: users[0].Addr, ToIdx: 0, Type: common.TxTypeCreateAccountDeposit, UserOrigin: true, }, { FromIdx: 0, DepositAmount: daMax1BI, Amount: big.NewInt(0), TokenID: 1, FromBJJ: users[1].BJJ.Public().Compress(), FromEthAddr: users[1].Addr, ToIdx: 0, Type: common.TxTypeCreateAccountDeposit, UserOrigin: true, }, }
chainID := uint16(0) config := Config{ NLevels: uint32(nLevels), MaxTx: 3, MaxL1Tx: 2, MaxFeeTx: 2, ChainID: chainID, } tp := NewTxProcessor(sdb, config)
_, err = tp.ProcessTxs(nil, l1Txs, nil, nil) require.NoError(t, err)
// check balances
acc, err := sdb.GetAccount(common.Idx(256)) require.NoError(t, err) assert.Equal(t, daMaxBI, acc.Balance) acc, err = sdb.GetAccount(common.Idx(257)) require.NoError(t, err) assert.Equal(t, daMax1BI, acc.Balance)}
func initTestMultipleCoordIdxForTokenID(t *testing.T) (*TxProcessor, *til.Context, []common.BlockData) { dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeBatchBuilder, NLevels: 32}) assert.NoError(t, err)
chainID := uint16(1)
// generate test transactions from test.SetBlockchain0 code
tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx)
set := ` Type: Blockchain
CreateAccountDeposit(0) A: 200
> batchL1 // freeze L1User{1}
CreateAccountCoordinator(0) Coord CreateAccountCoordinator(0) B
Transfer(0) A-B: 100 (126)
> batchL1 // forge L1User{1}, forge L1Coord{4}, forge L2{2}
> block ` blocks, err := tc.GenerateBlocks(set) require.NoError(t, err)
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 16, ChainID: chainID, } tp := NewTxProcessor(sdb, config) // batch1
_, err = tp.ProcessTxs(nil, nil, nil, nil) // to simulate the first batch from the Til set
require.NoError(t, err)
return tp, tc, blocks}
func TestMultipleCoordIdxForTokenID(t *testing.T) { // Check that ProcessTxs always uses the first occurrence of the
// CoordIdx for each TokenID
coordIdxs := []common.Idx{257, 257, 257} tp, tc, blocks := initTestMultipleCoordIdxForTokenID(t) l1UserTxs := til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[1].Batch.ForgeL1TxsNum]) l1CoordTxs := blocks[0].Rollup.Batches[1].L1CoordinatorTxs l1CoordTxs = append(l1CoordTxs, l1CoordTxs[0]) // duplicate the CoordAccount for TokenID=0
l2Txs := common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) _, err := tp.ProcessTxs(coordIdxs, l1UserTxs, l1CoordTxs, l2Txs) require.NoError(t, err)
checkBalanceByIdx(t, tp.s, 256, "90") // A
checkBalanceByIdx(t, tp.s, 257, "10") // Coord0
checkBalanceByIdx(t, tp.s, 258, "100") // B
checkBalanceByIdx(t, tp.s, 259, "0") // Coord0
// reset StateDB values
coordIdxs = []common.Idx{259, 257} tp, tc, blocks = initTestMultipleCoordIdxForTokenID(t) l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[1].Batch.ForgeL1TxsNum]) l1CoordTxs = blocks[0].Rollup.Batches[1].L1CoordinatorTxs l1CoordTxs = append(l1CoordTxs, l1CoordTxs[0]) // duplicate the CoordAccount for TokenID=0
l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, l1CoordTxs, l2Txs) require.NoError(t, err)
checkBalanceByIdx(t, tp.s, 256, "90") // A
checkBalanceByIdx(t, tp.s, 257, "0") // Coord0
checkBalanceByIdx(t, tp.s, 258, "100") // B
checkBalanceByIdx(t, tp.s, 259, "10") // Coord0
// reset StateDB values
coordIdxs = []common.Idx{257, 259} tp, tc, blocks = initTestMultipleCoordIdxForTokenID(t) l1UserTxs = til.L1TxsToCommonL1Txs(tc.Queues[*blocks[0].Rollup.Batches[1].Batch.ForgeL1TxsNum]) l1CoordTxs = blocks[0].Rollup.Batches[1].L1CoordinatorTxs l1CoordTxs = append(l1CoordTxs, l1CoordTxs[0]) // duplicate the CoordAccount for TokenID=0
l2Txs = common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[1].L2Txs) _, err = tp.ProcessTxs(coordIdxs, l1UserTxs, l1CoordTxs, l2Txs) require.NoError(t, err)
checkBalanceByIdx(t, tp.s, 256, "90") // A
checkBalanceByIdx(t, tp.s, 257, "10") // Coord0
checkBalanceByIdx(t, tp.s, 258, "100") // B
checkBalanceByIdx(t, tp.s, 259, "0") // Coord0
}
func TestTwoExits(t *testing.T) { // In the first part we generate a batch with two force exits for the
// same account of 20 each. The txprocessor output should be a single
// exitInfo with balance of 40.
dir, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(statedb.Config{Path: dir, Keep: 128, Type: statedb.TypeSynchronizer, NLevels: 32}) assert.NoError(t, err)
chainID := uint16(1)
tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx)
// Two exits for the same account. The tx processor should output a
// single exit with the accumulated exit balance
set := ` Type: Blockchain
CreateAccountDeposit(0) A: 100
> batchL1 // freeze L1User{1}
> batchL1 // forge L1User{1}
ForceExit(0) A: 20 ForceExit(0) A: 20
> batchL1 // freeze L1User{2}
> batchL1 // forge L1User{2}
> block ` blocks, err := tc.GenerateBlocks(set) require.NoError(t, err) err = tc.FillBlocksExtra(blocks, &til.ConfigExtra{}) require.NoError(t, err) err = tc.FillBlocksForgedL1UserTxs(blocks) require.NoError(t, err)
// Sanity check
require.Equal(t, 1, len(blocks[0].Rollup.Batches[1].L1UserTxs)) require.Equal(t, 2, len(blocks[0].Rollup.Batches[3].L1UserTxs))
config := Config{ NLevels: 32, MaxFeeTx: 64, MaxTx: 512, MaxL1Tx: 16, ChainID: chainID, } tp := NewTxProcessor(sdb, config) ptOuts := []*ProcessTxOutput{} for _, block := range blocks { for _, batch := range block.Rollup.Batches { ptOut, err := tp.ProcessTxs(nil, batch.L1UserTxs, nil, nil) require.NoError(t, err) ptOuts = append(ptOuts, ptOut) } }
assert.Equal(t, 1, len(ptOuts[3].ExitInfos)) assert.Equal(t, big.NewInt(40), ptOuts[3].ExitInfos[0].Balance) acc, err := sdb.GetAccount(256) require.NoError(t, err) assert.Equal(t, big.NewInt(60), acc.Balance)
// In the second part we start a fresh statedb and generate a batch
// with one force exit for the same account as before. The txprocessor
// output should be a single exitInfo with balance of 40, and the exit
// merkle tree proof should be equal to the previous one.
dir2, err := ioutil.TempDir("", "tmpdb") require.NoError(t, err) defer assert.NoError(t, os.RemoveAll(dir2))
sdb2, err := statedb.NewStateDB(statedb.Config{Path: dir2, Keep: 128, Type: statedb.TypeSynchronizer, NLevels: 32}) assert.NoError(t, err)
tc = til.NewContext(chainID, common.RollupConstMaxL1UserTx)
// Single exit with balance of both exits in previous set. The exit
// root should match.
set2 := ` Type: Blockchain
CreateAccountDeposit(0) A: 100
> batchL1 // freeze L1User{1}
> batchL1 // forge L1User{1}
ForceExit(0) A: 40
> batchL1 // freeze L1User{2}
> batchL1 // forge L1User{2}
> block ` blocks, err = tc.GenerateBlocks(set2) require.NoError(t, err) err = tc.FillBlocksExtra(blocks, &til.ConfigExtra{}) require.NoError(t, err) err = tc.FillBlocksForgedL1UserTxs(blocks) require.NoError(t, err)
tp = NewTxProcessor(sdb2, config) ptOuts2 := []*ProcessTxOutput{} for _, block := range blocks { for _, batch := range block.Rollup.Batches { ptOut, err := tp.ProcessTxs(nil, batch.L1UserTxs, nil, nil) require.NoError(t, err) ptOuts2 = append(ptOuts2, ptOut) } }
assert.Equal(t, ptOuts[3].ExitInfos[0].MerkleProof, ptOuts2[3].ExitInfos[0].MerkleProof)}
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