mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-29 07:07:16 +00:00
553 lines
17 KiB
Go
553 lines
17 KiB
Go
//go:build gofuzzbeta
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// +build gofuzzbeta
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package txpool
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import (
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"bytes"
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"context"
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"encoding/binary"
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"fmt"
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"testing"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon-lib/kv/mdbx"
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"github.com/ledgerwatch/erigon-lib/rlp"
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"github.com/ledgerwatch/log/v3"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// https://blog.golang.org/fuzz-beta
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// golang.org/s/draft-fuzzing-design
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//gotip doc testing
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//gotip doc testing.F
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//gotip doc testing.F.OnNewTxs
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//gotip doc testing.F.Fuzz
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// gotip test -trimpath -v -fuzz=Fuzz -fuzztime=10s ./txpool
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func init() {
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log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StderrHandler))
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}
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func FuzzTwoQueue(f *testing.F) {
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f.Add([]uint8{0b11000, 0b00101, 0b000111})
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f.Add([]uint8{0b10101, 0b11110, 0b11101, 0b10001})
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f.Fuzz(func(t *testing.T, in []uint8) {
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t.Parallel()
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for i := range in {
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if in[i] > 0b11111 {
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t.Skip()
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}
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}
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assert := assert.New(t)
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{
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sub := NewSubPool(PendingSubPool)
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for _, i := range in {
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sub.Add(&metaTx{subPool: SubPoolMarker(i & 0b11111), Tx: &TxSlot{nonce: 1, value: *uint256.NewInt(1)}})
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}
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assert.Equal(len(in), sub.best.Len())
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assert.Equal(len(in), sub.worst.Len())
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assert.Equal(len(in), sub.Len())
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var prevBest *uint8
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i := sub.Len()
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for sub.Len() > 0 {
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best := uint8(sub.Best().subPool)
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assert.Equal(best, uint8(sub.PopBest().subPool))
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if prevBest != nil {
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assert.LessOrEqual(best, *prevBest)
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}
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prevBest = &best
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i--
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}
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assert.Zero(i)
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assert.Zero(sub.Len())
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assert.Zero(sub.best.Len())
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assert.Zero(sub.worst.Len())
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}
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{
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sub := NewSubPool(PendingSubPool)
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for _, i := range in {
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sub.Add(&metaTx{subPool: SubPoolMarker(i & 0b11111), Tx: &TxSlot{nonce: 1, value: *uint256.NewInt(1)}})
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}
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var prev *uint8
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i := sub.Len()
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for sub.Len() > 0 {
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worst := uint8(sub.Worst().subPool)
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assert.Equal(worst, uint8(sub.PopWorst().subPool))
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if prev != nil {
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assert.GreaterOrEqual(worst, *prev)
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}
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prev = &worst
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i--
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}
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assert.Zero(i)
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assert.Zero(sub.Len())
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assert.Zero(sub.best.Len())
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assert.Zero(sub.worst.Len())
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}
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})
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}
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func u64Slice(in []byte) ([]uint64, bool) {
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if len(in) < 8 {
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return nil, false
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}
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res := make([]uint64, len(in)/8)
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for i := 0; i < len(res); i++ {
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res[i] = binary.BigEndian.Uint64(in[i*8:])
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}
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return res, true
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}
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func u8Slice(in []byte) ([]uint64, bool) {
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if len(in) < 1 {
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return nil, false
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}
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res := make([]uint64, len(in))
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for i := 0; i < len(res); i++ {
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res[i] = uint64(in[i] % 32)
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}
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return res, true
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}
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func u16Slice(in []byte) ([]uint64, bool) {
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if len(in) < 2 {
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return nil, false
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}
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res := make([]uint64, len(in)/2)
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for i := 0; i < len(res); i++ {
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res[i] = uint64(binary.BigEndian.Uint16(in[i*2:]))
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}
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return res, true
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}
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func u256Slice(in []byte) ([]uint256.Int, bool) {
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if len(in) < 1 {
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return nil, false
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}
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res := make([]uint256.Int, len(in))
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for i := 0; i < len(res); i++ {
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res[i].SetUint64(uint64(in[i] % 32))
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}
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return res, true
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}
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func parseSenders(in []byte) (senders Addresses, nonces []uint64, balances []uint256.Int) {
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zeroes := [20]byte{}
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for i := 0; i < len(in)-(1+1+1-1); i += 1 + 1 + 1 {
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zeroes[19] = in[i] % 8
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senders = append(senders, zeroes[:]...)
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nonce := uint64(in[i+1] % 8)
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if nonce == 0 {
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nonce = 1
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}
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nonces = append(nonces, nonce)
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balances = append(balances, *uint256.NewInt(uint64(in[i+1+1])))
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}
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return
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}
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func parseTxs(in []byte) (nonces, tips []uint64, values []uint256.Int) {
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for i := 0; i < len(in)-(1+1+1-1); i += 1 + 1 + 1 {
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nonce := uint64(in[i])
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if nonce == 0 {
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nonce = 1
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}
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nonces = append(nonces, nonce)
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tips = append(tips, uint64(in[i+1]))
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values = append(values, *uint256.NewInt(uint64(in[i+1+1])))
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}
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return
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}
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func poolsFromFuzzBytes(rawTxNonce, rawValues, rawTips, rawFeeCap, rawSender []byte) (sendersInfo map[uint64]*senderInfo, senderIDs map[string]uint64, txs TxSlots, ok bool) {
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if len(rawTxNonce) < 1 || len(rawValues) < 1 || len(rawTips) < 1 || len(rawFeeCap) < 1 || len(rawSender) < 1+1+1 {
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return nil, nil, txs, false
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}
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senders, senderNonce, senderBalance := parseSenders(rawSender)
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txNonce, ok := u8Slice(rawTxNonce)
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if !ok {
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return nil, nil, txs, false
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}
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feeCap, ok := u8Slice(rawFeeCap)
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if !ok {
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return nil, nil, txs, false
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}
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tips, ok := u8Slice(rawTips)
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if !ok {
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return nil, nil, txs, false
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}
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values, ok := u256Slice(rawValues)
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if !ok {
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return nil, nil, txs, false
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}
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sendersInfo = map[uint64]*senderInfo{}
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senderIDs = map[string]uint64{}
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for i := 0; i < len(senderNonce); i++ {
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senderID := uint64(i + 1) //non-zero expected
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sendersInfo[senderID] = newSenderInfo(senderNonce[i], senderBalance[i%len(senderBalance)])
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senderIDs[string(senders.At(i%senders.Len()))] = senderID
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}
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txs.txs = make([]*TxSlot, len(txNonce))
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parseCtx := NewTxParseContext()
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parseCtx.WithSender(false)
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for i := range txNonce {
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txs.txs[i] = &TxSlot{
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nonce: txNonce[i],
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value: values[i%len(values)],
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tip: tips[i%len(tips)],
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feeCap: feeCap[i%len(feeCap)],
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}
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txRlp := fakeRlpTx(txs.txs[i], senders.At(i%senders.Len()))
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_, err := parseCtx.ParseTransaction(txRlp, 0, txs.txs[i], nil)
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if err != nil {
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panic(err)
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}
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txs.senders = append(txs.senders, senders.At(i%senders.Len())...)
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txs.isLocal = append(txs.isLocal, false)
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}
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return sendersInfo, senderIDs, txs, true
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}
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// fakeRlpTx add anything what identifying tx to `data` to make hash unique
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func fakeRlpTx(slot *TxSlot, data []byte) []byte {
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dataLen := rlp.U64Len(1) + //chainID
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rlp.U64Len(slot.nonce) + rlp.U64Len(slot.tip) + rlp.U64Len(slot.feeCap) +
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rlp.U64Len(0) + // gas
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rlp.StringLen(0) + // dest addr
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rlp.U256Len(&slot.value) +
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rlp.StringLen(len(data)) + // data
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rlp.ListPrefixLen(0) + //access list
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+3 // v,r,s
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buf := make([]byte, 1+rlp.ListPrefixLen(dataLen)+dataLen)
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buf[0] = byte(DynamicFeeTxType)
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p := 1
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p += rlp.EncodeListPrefix(dataLen, buf[p:])
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p += rlp.EncodeU64(1, buf[p:])
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p += rlp.EncodeU64(slot.nonce, buf[p:])
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p += rlp.EncodeU64(slot.tip, buf[p:])
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p += rlp.EncodeU64(slot.feeCap, buf[p:])
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p += rlp.EncodeU64(0, buf[p:]) //gas
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p += rlp.EncodeString([]byte{}, buf[p:]) //destrination addr
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bb := bytes.NewBuffer(buf[p:p])
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_ = slot.value.EncodeRLP(bb)
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p += rlp.U256Len(&slot.value)
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p += rlp.EncodeString(data, buf[p:]) //data
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p += rlp.EncodeListPrefix(0, buf[p:]) // access list
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p += rlp.EncodeU64(1, buf[p:]) //v
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p += rlp.EncodeU64(1, buf[p:]) //r
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p += rlp.EncodeU64(1, buf[p:]) //s
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return buf[:]
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}
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func iterateSubPoolUnordered(subPool *SubPool, f func(tx *metaTx)) {
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for i := 0; i < subPool.best.Len(); i++ {
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f((*subPool.best)[i])
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}
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}
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func splitDataset(in TxSlots) (TxSlots, TxSlots, TxSlots, TxSlots) {
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p1, p2, p3, p4 := TxSlots{}, TxSlots{}, TxSlots{}, TxSlots{}
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l := len(in.txs) / 4
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p1.txs = in.txs[:l]
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p1.isLocal = in.isLocal[:l]
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p1.senders = in.senders[:l*20]
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p2.txs = in.txs[l : 2*l]
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p2.isLocal = in.isLocal[l : 2*l]
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p2.senders = in.senders[l*20 : 2*l*20]
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p3.txs = in.txs[2*l : 3*l]
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p3.isLocal = in.isLocal[2*l : 3*l]
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p3.senders = in.senders[2*l*20 : 3*l*20]
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p4.txs = in.txs[3*l : 4*l]
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p4.isLocal = in.isLocal[3*l : 4*l]
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p4.senders = in.senders[3*l*20 : 4*l*20]
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return p1, p2, p3, p4
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}
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func FuzzOnNewBlocks11(f *testing.F) {
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var u64 = [1 * 4]byte{1}
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var sender = [1 + 1 + 1]byte{1}
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f.Add(u64[:], u64[:], u64[:], u64[:], sender[:], 1, 2)
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f.Add(u64[:], u64[:], u64[:], u64[:], sender[:], 3, 4)
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f.Add(u64[:], u64[:], u64[:], u64[:], sender[:], 10, 12)
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f.Fuzz(func(t *testing.T, txNonce, values, tips, feeCap, sender []byte, protocolBaseFee1, pendingBaseFee1 uint8) {
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//t.Parallel()
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protocolBaseFee, pendingBaseFee := uint64(protocolBaseFee1%16+1), uint64(pendingBaseFee1%8+1)
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if protocolBaseFee == 0 || pendingBaseFee == 0 {
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t.Skip()
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}
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pendingBaseFee += protocolBaseFee
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if len(sender) < 1+1+1 {
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t.Skip()
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}
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senders, senderIDs, txs, ok := poolsFromFuzzBytes(txNonce, values, tips, feeCap, sender)
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if !ok {
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t.Skip()
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}
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assert := assert.New(t)
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err := txs.Valid()
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assert.NoError(err)
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var prevTotal int
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ch := make(chan Hashes, 100)
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db := mdbx.NewMDBX(log.New()).InMem().WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg { return kv.TxpoolTablesCfg }).MustOpen()
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t.Cleanup(db.Close)
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sendersCache := NewSendersCache()
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pool, err := New(ch, sendersCache, db)
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assert.NoError(err)
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sendersCache.senderInfo = senders
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sendersCache.senderIDs = senderIDs
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sendersCache.senderID = uint64(len(senderIDs))
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check := func(unwindTxs, minedTxs TxSlots, msg string) {
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pending, baseFee, queued := pool.pending, pool.baseFee, pool.queued
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//if pending.Len() > 5 && baseFee.Len() > 5 && queued.Len() > 5 {
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// fmt.Printf("len %s: %d,%d,%d\n", msg, pending.Len(), baseFee.Len(), queued.Len())
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//}
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best, worst := pending.Best(), pending.Worst()
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assert.LessOrEqual(pending.Len(), PendingSubPoolLimit)
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assert.False(worst != nil && best == nil, msg)
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assert.False(worst == nil && best != nil, msg)
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if worst != nil && worst.subPool < 0b11110 {
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t.Fatalf("pending worst too small %b", worst.subPool)
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}
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iterateSubPoolUnordered(pending, func(tx *metaTx) {
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i := tx.Tx
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if tx.subPool&NoNonceGaps > 0 {
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assert.GreaterOrEqual(i.nonce, senders[i.senderID].nonce, msg)
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}
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if tx.subPool&EnoughBalance > 0 {
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//assert.True(tx.SenderHasEnoughBalance)
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}
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if tx.subPool&EnoughFeeCapProtocol > 0 {
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assert.LessOrEqual(protocolBaseFee, tx.Tx.feeCap, msg)
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}
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if tx.subPool&EnoughFeeCapBlock > 0 {
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assert.LessOrEqual(pendingBaseFee, tx.Tx.feeCap, msg)
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}
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// side data structures must have all txs
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assert.True(pool.txNonce2Tx.has(tx), msg)
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_, ok = pool.byHash[string(i.idHash[:])]
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assert.True(ok)
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// pools can't have more then 1 tx with same SenderID+Nonce
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iterateSubPoolUnordered(baseFee, func(mtx2 *metaTx) {
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tx2 := mtx2.Tx
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assert.False(tx2.senderID == i.senderID && tx2.nonce == i.nonce, msg)
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})
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iterateSubPoolUnordered(queued, func(mtx2 *metaTx) {
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tx2 := mtx2.Tx
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assert.False(tx2.senderID == i.senderID && tx2.nonce == i.nonce, msg)
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})
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})
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best, worst = baseFee.Best(), baseFee.Worst()
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assert.False(worst != nil && best == nil, msg)
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assert.False(worst == nil && best != nil, msg)
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assert.LessOrEqual(baseFee.Len(), BaseFeeSubPoolLimit, msg)
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if worst != nil && worst.subPool < 0b11100 {
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t.Fatalf("baseFee worst too small %b", worst.subPool)
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}
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iterateSubPoolUnordered(baseFee, func(tx *metaTx) {
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i := tx.Tx
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if tx.subPool&NoNonceGaps > 0 {
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assert.GreaterOrEqual(i.nonce, senders[i.senderID].nonce, msg)
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}
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if tx.subPool&EnoughBalance != 0 {
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//assert.True(tx.SenderHasEnoughBalance, msg)
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}
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if tx.subPool&EnoughFeeCapProtocol > 0 {
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assert.LessOrEqual(protocolBaseFee, tx.Tx.feeCap, msg)
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}
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if tx.subPool&EnoughFeeCapBlock > 0 {
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assert.LessOrEqual(pendingBaseFee, tx.Tx.feeCap, msg)
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}
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assert.True(pool.txNonce2Tx.has(tx), msg)
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_, ok = pool.byHash[string(i.idHash[:])]
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assert.True(ok, msg)
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})
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best, worst = queued.Best(), queued.Worst()
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assert.LessOrEqual(queued.Len(), QueuedSubPoolLimit)
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assert.False(worst != nil && best == nil, msg)
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assert.False(worst == nil && best != nil, msg)
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if worst != nil && worst.subPool < 0b10000 {
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t.Fatalf("queued worst too small %b", worst.subPool)
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}
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iterateSubPoolUnordered(queued, func(tx *metaTx) {
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i := tx.Tx
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if tx.subPool&NoNonceGaps > 0 {
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assert.GreaterOrEqual(i.nonce, senders[i.senderID].nonce, msg)
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}
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if tx.subPool&EnoughBalance > 0 {
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//assert.True(tx.SenderHasEnoughBalance, msg)
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}
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if tx.subPool&EnoughFeeCapProtocol > 0 {
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assert.LessOrEqual(protocolBaseFee, tx.Tx.feeCap, msg)
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}
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if tx.subPool&EnoughFeeCapBlock > 0 {
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assert.LessOrEqual(pendingBaseFee, tx.Tx.feeCap, msg)
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}
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assert.True(pool.txNonce2Tx.has(tx), "%s, %d, %x", msg, tx.Tx.nonce, tx.Tx.idHash)
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_, ok = pool.byHash[string(i.idHash[:])]
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assert.True(ok, msg)
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})
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// all txs in side data structures must be in some queue
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for addr, txn := range pool.byHash {
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require.True(t, txn.bestIndex >= 0, msg)
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assert.True(txn.worstIndex >= 0, msg)
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assert.NotEqual(EmptyAddr, []byte(addr))
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}
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for id := range senders {
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//assert.True(senders[i].txNonce2Tx.Len() > 0)
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pool.txNonce2Tx.ascend(id, func(mt *metaTx) bool {
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if mt.worstIndex < 0 {
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fmt.Printf("here: %d,%d\n", pool.txNonce2Tx.tree.Len(), len(pool.byHash))
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}
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require.True(t, mt.worstIndex >= 0, msg)
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assert.True(mt.bestIndex >= 0, msg)
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return true
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})
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}
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// mined txs must be removed
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for i := range minedTxs.txs {
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_, ok = pool.byHash[string(minedTxs.txs[i].idHash[:])]
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assert.False(ok, msg)
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}
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if queued.Len() > 3 {
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// Less func must be transitive (choose 3 semi-random elements)
|
|
i := queued.Len() - 1
|
|
a, b, c := (*queued.best)[i], (*queued.best)[i-1], (*queued.best)[i-2]
|
|
if a.Less(b) && b.Less(c) {
|
|
assert.True(a.Less(c))
|
|
}
|
|
}
|
|
}
|
|
|
|
checkNotify := func(unwindTxs, minedTxs TxSlots, msg string) {
|
|
pending, baseFee, queued := pool.pending, pool.baseFee, pool.queued
|
|
select {
|
|
case newHashes := <-ch:
|
|
//assert.Equal(len(txs1.txs), newHashes.Len())
|
|
assert.Greater(len(newHashes), 0)
|
|
for i := 0; i < newHashes.Len(); i++ {
|
|
foundInUnwind := false
|
|
foundInMined := false
|
|
newHash := newHashes.At(i)
|
|
for j := range unwindTxs.txs {
|
|
if bytes.Equal(unwindTxs.txs[j].idHash[:], newHash) {
|
|
foundInUnwind = true
|
|
break
|
|
}
|
|
}
|
|
for j := range minedTxs.txs {
|
|
if bytes.Equal(minedTxs.txs[j].idHash[:], newHash) {
|
|
foundInMined = true
|
|
break
|
|
}
|
|
}
|
|
assert.True(foundInUnwind, msg)
|
|
assert.False(foundInMined, msg)
|
|
}
|
|
default: // no notifications - means pools must be unchanged or drop some txs
|
|
assert.GreaterOrEqual(prevTotal, pending.Len()+baseFee.Len()+queued.Len(), msg)
|
|
}
|
|
prevTotal = pending.Len() + baseFee.Len() + queued.Len()
|
|
}
|
|
//fmt.Printf("-------\n")
|
|
|
|
// go to first fork
|
|
//fmt.Printf("ll1: %d,%d,%d\n", pool.pending.Len(), pool.baseFee.Len(), pool.queued.Len())
|
|
txs1, txs2, p2pReceived, txs3 := splitDataset(txs)
|
|
err = pool.OnNewBlock(map[string]senderInfo{}, txs1, TxSlots{}, protocolBaseFee, pendingBaseFee, 1, [32]byte{}, sendersCache)
|
|
assert.NoError(err)
|
|
check(txs1, TxSlots{}, "fork1")
|
|
checkNotify(txs1, TxSlots{}, "fork1")
|
|
|
|
_, _, _ = p2pReceived, txs2, txs3
|
|
err = pool.OnNewBlock(map[string]senderInfo{}, TxSlots{}, txs2, protocolBaseFee, pendingBaseFee, 1, [32]byte{}, sendersCache)
|
|
check(TxSlots{}, txs2, "fork1 mined")
|
|
checkNotify(TxSlots{}, txs2, "fork1 mined")
|
|
|
|
// unwind everything and switch to new fork (need unwind mined now)
|
|
err = pool.OnNewBlock(map[string]senderInfo{}, txs2, TxSlots{}, protocolBaseFee, pendingBaseFee, 2, [32]byte{}, sendersCache)
|
|
assert.NoError(err)
|
|
check(txs2, TxSlots{}, "fork2")
|
|
checkNotify(txs2, TxSlots{}, "fork2")
|
|
|
|
err = pool.OnNewBlock(map[string]senderInfo{}, TxSlots{}, txs3, protocolBaseFee, pendingBaseFee, 2, [32]byte{}, sendersCache)
|
|
assert.NoError(err)
|
|
check(TxSlots{}, txs3, "fork2 mined")
|
|
checkNotify(TxSlots{}, txs3, "fork2 mined")
|
|
|
|
// add some remote txs from p2p
|
|
err = pool.OnNewTxs(context.Background(), nil, p2pReceived, sendersCache)
|
|
assert.NoError(err)
|
|
check(p2pReceived, TxSlots{}, "p2pmsg1")
|
|
checkNotify(p2pReceived, TxSlots{}, "p2pmsg1")
|
|
|
|
senderIdsBeforeFlush := len(sendersCache.senderIDs)
|
|
senderInfoBeforeFlush := len(sendersCache.senderInfo)
|
|
|
|
tx, err := db.BeginRw(context.Background())
|
|
require.NoError(t, err)
|
|
defer tx.Rollback()
|
|
err = pool.flush(tx, sendersCache)
|
|
require.NoError(t, err)
|
|
check(p2pReceived, TxSlots{}, "after_flush")
|
|
//checkNotify(p2pReceived, TxSlots{}, "after_flush")
|
|
|
|
s2 := NewSendersCache()
|
|
p2, err := New(ch, s2, nil)
|
|
assert.NoError(err)
|
|
err = p2.fromDB(context.Background(), tx, nil)
|
|
require.NoError(t, err)
|
|
for _, txn := range p2.byHash {
|
|
assert.Nil(txn.Tx.rlp)
|
|
}
|
|
//todo: check that after load from db tx linked to same sender
|
|
|
|
check(txs2, TxSlots{}, "fromDB")
|
|
//checkNotify(txs2, TxSlots{}, "fromDB")
|
|
assert.Equal(sendersCache.senderID, s2.senderID)
|
|
assert.Equal(sendersCache.blockHeight.Load(), s2.blockHeight.Load())
|
|
|
|
idsCountAfterFlush, idsCountInDbAfterFlush, err := s2.idsCount(tx)
|
|
assert.NoError(err)
|
|
assert.LessOrEqual(senderIdsBeforeFlush, idsCountAfterFlush+idsCountInDbAfterFlush)
|
|
infoCountAfterFlush, infoCountInDbAfterFlush, err := s2.infoCount(tx)
|
|
assert.NoError(err)
|
|
assert.LessOrEqual(senderInfoBeforeFlush, infoCountAfterFlush+infoCountInDbAfterFlush)
|
|
|
|
assert.Equal(pool.pending.Len(), p2.pending.Len())
|
|
assert.Equal(pool.baseFee.Len(), p2.baseFee.Len())
|
|
assert.Equal(pool.queued.Len(), p2.queued.Len())
|
|
assert.Equal(pool.pendingBaseFee.Load(), p2.pendingBaseFee.Load())
|
|
assert.Equal(pool.protocolBaseFee.Load(), p2.protocolBaseFee.Load())
|
|
})
|
|
|
|
}
|