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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/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 TestComputeEffectiveAmounts(t *testing.T) {
dir, err := ioutil.TempDir("", "tmpdb")
require.NoError(t, err)
defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := statedb.NewStateDB(dir, 128, statedb.TypeSynchronizer, 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(dir, 128, statedb.TypeSynchronizer, 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(til.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(til.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(dir, 128, statedb.TypeSynchronizer, 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(til.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, 2, len(ptOut.ExitInfos)) // 2, as previous batch was without L1UserTxs, and has pending the 'ForceExit(1) A: 5'
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(dir, 128, statedb.TypeBatchBuilder, 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(til.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(dir, 128, statedb.TypeBatchBuilder, 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(dir, 128, statedb.TypeBatchBuilder, nLevels)
assert.NoError(t, err)
users := 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)
}