12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835 |
- // Copyright 2015 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package core
- import (
- "crypto/ecdsa"
- "fmt"
- "io/ioutil"
- "math/big"
- "math/rand"
- "os"
- "testing"
- "time"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/state"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/event"
- "github.com/ethereum/go-ethereum/params"
- )
- // testTxPoolConfig is a transaction pool configuration without stateful disk
- // sideeffects used during testing.
- var testTxPoolConfig TxPoolConfig
- func init() {
- testTxPoolConfig = DefaultTxPoolConfig
- testTxPoolConfig.Journal = ""
- }
- type testBlockChain struct {
- statedb *state.StateDB
- gasLimit uint64
- chainHeadFeed *event.Feed
- }
- func (bc *testBlockChain) CurrentBlock() *types.Block {
- return types.NewBlock(&types.Header{
- GasLimit: bc.gasLimit,
- }, nil, nil, nil)
- }
- func (bc *testBlockChain) GetBlock(hash common.Hash, number uint64) *types.Block {
- return bc.CurrentBlock()
- }
- func (bc *testBlockChain) StateAt(common.Hash) (*state.StateDB, error) {
- return bc.statedb, nil
- }
- func (bc *testBlockChain) SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Subscription {
- return bc.chainHeadFeed.Subscribe(ch)
- }
- func transaction(nonce uint64, gaslimit uint64, key *ecdsa.PrivateKey) *types.Transaction {
- return pricedTransaction(nonce, gaslimit, big.NewInt(1), key)
- }
- func pricedTransaction(nonce uint64, gaslimit uint64, gasprice *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
- tx, _ := types.SignTx(types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, gasprice, nil), types.HomesteadSigner{}, key)
- return tx
- }
- func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- key, _ := crypto.GenerateKey()
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- return pool, key
- }
- // validateTxPoolInternals checks various consistency invariants within the pool.
- func validateTxPoolInternals(pool *TxPool) error {
- pool.mu.RLock()
- defer pool.mu.RUnlock()
- // Ensure the total transaction set is consistent with pending + queued
- pending, queued := pool.stats()
- if total := pool.all.Count(); total != pending+queued {
- return fmt.Errorf("total transaction count %d != %d pending + %d queued", total, pending, queued)
- }
- if priced := pool.priced.items.Len() - pool.priced.stales; priced != pending+queued {
- return fmt.Errorf("total priced transaction count %d != %d pending + %d queued", priced, pending, queued)
- }
- // Ensure the next nonce to assign is the correct one
- for addr, txs := range pool.pending {
- // Find the last transaction
- var last uint64
- for nonce := range txs.txs.items {
- if last < nonce {
- last = nonce
- }
- }
- if nonce := pool.pendingState.GetNonce(addr); nonce != last+1 {
- return fmt.Errorf("pending nonce mismatch: have %v, want %v", nonce, last+1)
- }
- }
- return nil
- }
- // validateEvents checks that the correct number of transaction addition events
- // were fired on the pool's event feed.
- func validateEvents(events chan NewTxsEvent, count int) error {
- var received []*types.Transaction
- for len(received) < count {
- select {
- case ev := <-events:
- received = append(received, ev.Txs...)
- case <-time.After(time.Second):
- return fmt.Errorf("event #%d not fired", received)
- }
- }
- if len(received) > count {
- return fmt.Errorf("more than %d events fired: %v", count, received[count:])
- }
- select {
- case ev := <-events:
- return fmt.Errorf("more than %d events fired: %v", count, ev.Txs)
- case <-time.After(50 * time.Millisecond):
- // This branch should be "default", but it's a data race between goroutines,
- // reading the event channel and pushing into it, so better wait a bit ensuring
- // really nothing gets injected.
- }
- return nil
- }
- func deriveSender(tx *types.Transaction) (common.Address, error) {
- return types.Sender(types.HomesteadSigner{}, tx)
- }
- type testChain struct {
- *testBlockChain
- address common.Address
- trigger *bool
- }
- // testChain.State() is used multiple times to reset the pending state.
- // when simulate is true it will create a state that indicates
- // that tx0 and tx1 are included in the chain.
- func (c *testChain) State() (*state.StateDB, error) {
- // delay "state change" by one. The tx pool fetches the
- // state multiple times and by delaying it a bit we simulate
- // a state change between those fetches.
- stdb := c.statedb
- if *c.trigger {
- c.statedb, _ = state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- // simulate that the new head block included tx0 and tx1
- c.statedb.SetNonce(c.address, 2)
- c.statedb.SetBalance(c.address, new(big.Int).SetUint64(params.Ether))
- *c.trigger = false
- }
- return stdb, nil
- }
- // This test simulates a scenario where a new block is imported during a
- // state reset and tests whether the pending state is in sync with the
- // block head event that initiated the resetState().
- func TestStateChangeDuringTransactionPoolReset(t *testing.T) {
- t.Parallel()
- var (
- key, _ = crypto.GenerateKey()
- address = crypto.PubkeyToAddress(key.PublicKey)
- statedb, _ = state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- trigger = false
- )
- // setup pool with 2 transaction in it
- statedb.SetBalance(address, new(big.Int).SetUint64(params.Ether))
- blockchain := &testChain{&testBlockChain{statedb, 1000000000, new(event.Feed)}, address, &trigger}
- tx0 := transaction(0, 100000, key)
- tx1 := transaction(1, 100000, key)
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- nonce := pool.State().GetNonce(address)
- if nonce != 0 {
- t.Fatalf("Invalid nonce, want 0, got %d", nonce)
- }
- pool.AddRemotes(types.Transactions{tx0, tx1})
- nonce = pool.State().GetNonce(address)
- if nonce != 2 {
- t.Fatalf("Invalid nonce, want 2, got %d", nonce)
- }
- // trigger state change in the background
- trigger = true
- pool.lockedReset(nil, nil)
- _, err := pool.Pending()
- if err != nil {
- t.Fatalf("Could not fetch pending transactions: %v", err)
- }
- nonce = pool.State().GetNonce(address)
- if nonce != 2 {
- t.Fatalf("Invalid nonce, want 2, got %d", nonce)
- }
- }
- func TestInvalidTransactions(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- tx := transaction(0, 100, key)
- from, _ := deriveSender(tx)
- pool.currentState.AddBalance(from, big.NewInt(1))
- if err := pool.AddRemote(tx); err != ErrInsufficientFunds {
- t.Error("expected", ErrInsufficientFunds)
- }
- balance := new(big.Int).Add(tx.Value(), new(big.Int).Mul(new(big.Int).SetUint64(tx.Gas()), tx.GasPrice()))
- pool.currentState.AddBalance(from, balance)
- if err := pool.AddRemote(tx); err != ErrIntrinsicGas {
- t.Error("expected", ErrIntrinsicGas, "got", err)
- }
- pool.currentState.SetNonce(from, 1)
- pool.currentState.AddBalance(from, big.NewInt(0xffffffffffffff))
- tx = transaction(0, 100000, key)
- if err := pool.AddRemote(tx); err != ErrNonceTooLow {
- t.Error("expected", ErrNonceTooLow)
- }
- tx = transaction(1, 100000, key)
- pool.gasPrice = big.NewInt(1000)
- if err := pool.AddRemote(tx); err != ErrUnderpriced {
- t.Error("expected", ErrUnderpriced, "got", err)
- }
- if err := pool.AddLocal(tx); err != nil {
- t.Error("expected", nil, "got", err)
- }
- }
- func TestTransactionQueue(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- tx := transaction(0, 100, key)
- from, _ := deriveSender(tx)
- pool.currentState.AddBalance(from, big.NewInt(1000))
- pool.lockedReset(nil, nil)
- pool.enqueueTx(tx.Hash(), tx)
- pool.promoteExecutables([]common.Address{from})
- if len(pool.pending) != 1 {
- t.Error("expected valid txs to be 1 is", len(pool.pending))
- }
- tx = transaction(1, 100, key)
- from, _ = deriveSender(tx)
- pool.currentState.SetNonce(from, 2)
- pool.enqueueTx(tx.Hash(), tx)
- pool.promoteExecutables([]common.Address{from})
- if _, ok := pool.pending[from].txs.items[tx.Nonce()]; ok {
- t.Error("expected transaction to be in tx pool")
- }
- if len(pool.queue) > 0 {
- t.Error("expected transaction queue to be empty. is", len(pool.queue))
- }
- pool, key = setupTxPool()
- defer pool.Stop()
- tx1 := transaction(0, 100, key)
- tx2 := transaction(10, 100, key)
- tx3 := transaction(11, 100, key)
- from, _ = deriveSender(tx1)
- pool.currentState.AddBalance(from, big.NewInt(1000))
- pool.lockedReset(nil, nil)
- pool.enqueueTx(tx1.Hash(), tx1)
- pool.enqueueTx(tx2.Hash(), tx2)
- pool.enqueueTx(tx3.Hash(), tx3)
- pool.promoteExecutables([]common.Address{from})
- if len(pool.pending) != 1 {
- t.Error("expected tx pool to be 1, got", len(pool.pending))
- }
- if pool.queue[from].Len() != 2 {
- t.Error("expected len(queue) == 2, got", pool.queue[from].Len())
- }
- }
- func TestTransactionNegativeValue(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- tx, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(-1), 100, big.NewInt(1), nil), types.HomesteadSigner{}, key)
- from, _ := deriveSender(tx)
- pool.currentState.AddBalance(from, big.NewInt(1))
- if err := pool.AddRemote(tx); err != ErrNegativeValue {
- t.Error("expected", ErrNegativeValue, "got", err)
- }
- }
- func TestTransactionChainFork(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- resetState := func() {
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- statedb.AddBalance(addr, big.NewInt(100000000000000))
- pool.chain = &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool.lockedReset(nil, nil)
- }
- resetState()
- tx := transaction(0, 100000, key)
- if _, err := pool.add(tx, false); err != nil {
- t.Error("didn't expect error", err)
- }
- pool.removeTx(tx.Hash(), true)
- // reset the pool's internal state
- resetState()
- if _, err := pool.add(tx, false); err != nil {
- t.Error("didn't expect error", err)
- }
- }
- func TestTransactionDoubleNonce(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- resetState := func() {
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- statedb.AddBalance(addr, big.NewInt(100000000000000))
- pool.chain = &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool.lockedReset(nil, nil)
- }
- resetState()
- signer := types.HomesteadSigner{}
- tx1, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), 100000, big.NewInt(1), nil), signer, key)
- tx2, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), 1000000, big.NewInt(2), nil), signer, key)
- tx3, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), 1000000, big.NewInt(1), nil), signer, key)
- // Add the first two transaction, ensure higher priced stays only
- if replace, err := pool.add(tx1, false); err != nil || replace {
- t.Errorf("first transaction insert failed (%v) or reported replacement (%v)", err, replace)
- }
- if replace, err := pool.add(tx2, false); err != nil || !replace {
- t.Errorf("second transaction insert failed (%v) or not reported replacement (%v)", err, replace)
- }
- pool.promoteExecutables([]common.Address{addr})
- if pool.pending[addr].Len() != 1 {
- t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
- }
- if tx := pool.pending[addr].txs.items[0]; tx.Hash() != tx2.Hash() {
- t.Errorf("transaction mismatch: have %x, want %x", tx.Hash(), tx2.Hash())
- }
- // Add the third transaction and ensure it's not saved (smaller price)
- pool.add(tx3, false)
- pool.promoteExecutables([]common.Address{addr})
- if pool.pending[addr].Len() != 1 {
- t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
- }
- if tx := pool.pending[addr].txs.items[0]; tx.Hash() != tx2.Hash() {
- t.Errorf("transaction mismatch: have %x, want %x", tx.Hash(), tx2.Hash())
- }
- // Ensure the total transaction count is correct
- if pool.all.Count() != 1 {
- t.Error("expected 1 total transactions, got", pool.all.Count())
- }
- }
- func TestTransactionMissingNonce(t *testing.T) {
- t.Parallel()
- pool, key := setupTxPool()
- defer pool.Stop()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- pool.currentState.AddBalance(addr, big.NewInt(100000000000000))
- tx := transaction(1, 100000, key)
- if _, err := pool.add(tx, false); err != nil {
- t.Error("didn't expect error", err)
- }
- if len(pool.pending) != 0 {
- t.Error("expected 0 pending transactions, got", len(pool.pending))
- }
- if pool.queue[addr].Len() != 1 {
- t.Error("expected 1 queued transaction, got", pool.queue[addr].Len())
- }
- if pool.all.Count() != 1 {
- t.Error("expected 1 total transactions, got", pool.all.Count())
- }
- }
- func TestTransactionNonceRecovery(t *testing.T) {
- t.Parallel()
- const n = 10
- pool, key := setupTxPool()
- defer pool.Stop()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- pool.currentState.SetNonce(addr, n)
- pool.currentState.AddBalance(addr, big.NewInt(100000000000000))
- pool.lockedReset(nil, nil)
- tx := transaction(n, 100000, key)
- if err := pool.AddRemote(tx); err != nil {
- t.Error(err)
- }
- // simulate some weird re-order of transactions and missing nonce(s)
- pool.currentState.SetNonce(addr, n-1)
- pool.lockedReset(nil, nil)
- if fn := pool.pendingState.GetNonce(addr); fn != n-1 {
- t.Errorf("expected nonce to be %d, got %d", n-1, fn)
- }
- }
- // Tests that if an account runs out of funds, any pending and queued transactions
- // are dropped.
- func TestTransactionDropping(t *testing.T) {
- t.Parallel()
- // Create a test account and fund it
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000))
- // Add some pending and some queued transactions
- var (
- tx0 = transaction(0, 100, key)
- tx1 = transaction(1, 200, key)
- tx2 = transaction(2, 300, key)
- tx10 = transaction(10, 100, key)
- tx11 = transaction(11, 200, key)
- tx12 = transaction(12, 300, key)
- )
- pool.promoteTx(account, tx0.Hash(), tx0)
- pool.promoteTx(account, tx1.Hash(), tx1)
- pool.promoteTx(account, tx2.Hash(), tx2)
- pool.enqueueTx(tx10.Hash(), tx10)
- pool.enqueueTx(tx11.Hash(), tx11)
- pool.enqueueTx(tx12.Hash(), tx12)
- // Check that pre and post validations leave the pool as is
- if pool.pending[account].Len() != 3 {
- t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), 3)
- }
- if pool.queue[account].Len() != 3 {
- t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 3)
- }
- if pool.all.Count() != 6 {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), 6)
- }
- pool.lockedReset(nil, nil)
- if pool.pending[account].Len() != 3 {
- t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), 3)
- }
- if pool.queue[account].Len() != 3 {
- t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 3)
- }
- if pool.all.Count() != 6 {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), 6)
- }
- // Reduce the balance of the account, and check that invalidated transactions are dropped
- pool.currentState.AddBalance(account, big.NewInt(-650))
- pool.lockedReset(nil, nil)
- if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
- t.Errorf("funded pending transaction missing: %v", tx0)
- }
- if _, ok := pool.pending[account].txs.items[tx1.Nonce()]; !ok {
- t.Errorf("funded pending transaction missing: %v", tx0)
- }
- if _, ok := pool.pending[account].txs.items[tx2.Nonce()]; ok {
- t.Errorf("out-of-fund pending transaction present: %v", tx1)
- }
- if _, ok := pool.queue[account].txs.items[tx10.Nonce()]; !ok {
- t.Errorf("funded queued transaction missing: %v", tx10)
- }
- if _, ok := pool.queue[account].txs.items[tx11.Nonce()]; !ok {
- t.Errorf("funded queued transaction missing: %v", tx10)
- }
- if _, ok := pool.queue[account].txs.items[tx12.Nonce()]; ok {
- t.Errorf("out-of-fund queued transaction present: %v", tx11)
- }
- if pool.all.Count() != 4 {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), 4)
- }
- // Reduce the block gas limit, check that invalidated transactions are dropped
- pool.chain.(*testBlockChain).gasLimit = 100
- pool.lockedReset(nil, nil)
- if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
- t.Errorf("funded pending transaction missing: %v", tx0)
- }
- if _, ok := pool.pending[account].txs.items[tx1.Nonce()]; ok {
- t.Errorf("over-gased pending transaction present: %v", tx1)
- }
- if _, ok := pool.queue[account].txs.items[tx10.Nonce()]; !ok {
- t.Errorf("funded queued transaction missing: %v", tx10)
- }
- if _, ok := pool.queue[account].txs.items[tx11.Nonce()]; ok {
- t.Errorf("over-gased queued transaction present: %v", tx11)
- }
- if pool.all.Count() != 2 {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), 2)
- }
- }
- // Tests that if a transaction is dropped from the current pending pool (e.g. out
- // of fund), all consecutive (still valid, but not executable) transactions are
- // postponed back into the future queue to prevent broadcasting them.
- func TestTransactionPostponing(t *testing.T) {
- t.Parallel()
- // Create the pool to test the postponing with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create two test accounts to produce different gap profiles with
- keys := make([]*ecdsa.PrivateKey, 2)
- accs := make([]common.Address, len(keys))
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- accs[i] = crypto.PubkeyToAddress(keys[i].PublicKey)
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(50100))
- }
- // Add a batch consecutive pending transactions for validation
- txs := []*types.Transaction{}
- for i, key := range keys {
- for j := 0; j < 100; j++ {
- var tx *types.Transaction
- if (i+j)%2 == 0 {
- tx = transaction(uint64(j), 25000, key)
- } else {
- tx = transaction(uint64(j), 50000, key)
- }
- txs = append(txs, tx)
- }
- }
- for i, err := range pool.AddRemotes(txs) {
- if err != nil {
- t.Fatalf("tx %d: failed to add transactions: %v", i, err)
- }
- }
- // Check that pre and post validations leave the pool as is
- if pending := pool.pending[accs[0]].Len() + pool.pending[accs[1]].Len(); pending != len(txs) {
- t.Errorf("pending transaction mismatch: have %d, want %d", pending, len(txs))
- }
- if len(pool.queue) != 0 {
- t.Errorf("queued accounts mismatch: have %d, want %d", len(pool.queue), 0)
- }
- if pool.all.Count() != len(txs) {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), len(txs))
- }
- pool.lockedReset(nil, nil)
- if pending := pool.pending[accs[0]].Len() + pool.pending[accs[1]].Len(); pending != len(txs) {
- t.Errorf("pending transaction mismatch: have %d, want %d", pending, len(txs))
- }
- if len(pool.queue) != 0 {
- t.Errorf("queued accounts mismatch: have %d, want %d", len(pool.queue), 0)
- }
- if pool.all.Count() != len(txs) {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), len(txs))
- }
- // Reduce the balance of the account, and check that transactions are reorganised
- for _, addr := range accs {
- pool.currentState.AddBalance(addr, big.NewInt(-1))
- }
- pool.lockedReset(nil, nil)
- // The first account's first transaction remains valid, check that subsequent
- // ones are either filtered out, or queued up for later.
- if _, ok := pool.pending[accs[0]].txs.items[txs[0].Nonce()]; !ok {
- t.Errorf("tx %d: valid and funded transaction missing from pending pool: %v", 0, txs[0])
- }
- if _, ok := pool.queue[accs[0]].txs.items[txs[0].Nonce()]; ok {
- t.Errorf("tx %d: valid and funded transaction present in future queue: %v", 0, txs[0])
- }
- for i, tx := range txs[1:100] {
- if i%2 == 1 {
- if _, ok := pool.pending[accs[0]].txs.items[tx.Nonce()]; ok {
- t.Errorf("tx %d: valid but future transaction present in pending pool: %v", i+1, tx)
- }
- if _, ok := pool.queue[accs[0]].txs.items[tx.Nonce()]; !ok {
- t.Errorf("tx %d: valid but future transaction missing from future queue: %v", i+1, tx)
- }
- } else {
- if _, ok := pool.pending[accs[0]].txs.items[tx.Nonce()]; ok {
- t.Errorf("tx %d: out-of-fund transaction present in pending pool: %v", i+1, tx)
- }
- if _, ok := pool.queue[accs[0]].txs.items[tx.Nonce()]; ok {
- t.Errorf("tx %d: out-of-fund transaction present in future queue: %v", i+1, tx)
- }
- }
- }
- // The second account's first transaction got invalid, check that all transactions
- // are either filtered out, or queued up for later.
- if pool.pending[accs[1]] != nil {
- t.Errorf("invalidated account still has pending transactions")
- }
- for i, tx := range txs[100:] {
- if i%2 == 1 {
- if _, ok := pool.queue[accs[1]].txs.items[tx.Nonce()]; !ok {
- t.Errorf("tx %d: valid but future transaction missing from future queue: %v", 100+i, tx)
- }
- } else {
- if _, ok := pool.queue[accs[1]].txs.items[tx.Nonce()]; ok {
- t.Errorf("tx %d: out-of-fund transaction present in future queue: %v", 100+i, tx)
- }
- }
- }
- if pool.all.Count() != len(txs)/2 {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), len(txs)/2)
- }
- }
- // Tests that if the transaction pool has both executable and non-executable
- // transactions from an origin account, filling the nonce gap moves all queued
- // ones into the pending pool.
- func TestTransactionGapFilling(t *testing.T) {
- t.Parallel()
- // Create a test account and fund it
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Create a pending and a queued transaction with a nonce-gap in between
- if err := pool.AddRemote(transaction(0, 100000, key)); err != nil {
- t.Fatalf("failed to add pending transaction: %v", err)
- }
- if err := pool.AddRemote(transaction(2, 100000, key)); err != nil {
- t.Fatalf("failed to add queued transaction: %v", err)
- }
- pending, queued := pool.Stats()
- if pending != 1 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 1)
- }
- if queued != 1 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
- }
- if err := validateEvents(events, 1); err != nil {
- t.Fatalf("original event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Fill the nonce gap and ensure all transactions become pending
- if err := pool.AddRemote(transaction(1, 100000, key)); err != nil {
- t.Fatalf("failed to add gapped transaction: %v", err)
- }
- pending, queued = pool.Stats()
- if pending != 3 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
- }
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- if err := validateEvents(events, 2); err != nil {
- t.Fatalf("gap-filling event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that if the transaction count belonging to a single account goes above
- // some threshold, the higher transactions are dropped to prevent DOS attacks.
- func TestTransactionQueueAccountLimiting(t *testing.T) {
- t.Parallel()
- // Create a test account and fund it
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- // Keep queuing up transactions and make sure all above a limit are dropped
- for i := uint64(1); i <= testTxPoolConfig.AccountQueue+5; i++ {
- if err := pool.AddRemote(transaction(i, 100000, key)); err != nil {
- t.Fatalf("tx %d: failed to add transaction: %v", i, err)
- }
- if len(pool.pending) != 0 {
- t.Errorf("tx %d: pending pool size mismatch: have %d, want %d", i, len(pool.pending), 0)
- }
- if i <= testTxPoolConfig.AccountQueue {
- if pool.queue[account].Len() != int(i) {
- t.Errorf("tx %d: queue size mismatch: have %d, want %d", i, pool.queue[account].Len(), i)
- }
- } else {
- if pool.queue[account].Len() != int(testTxPoolConfig.AccountQueue) {
- t.Errorf("tx %d: queue limit mismatch: have %d, want %d", i, pool.queue[account].Len(), testTxPoolConfig.AccountQueue)
- }
- }
- }
- if pool.all.Count() != int(testTxPoolConfig.AccountQueue) {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), testTxPoolConfig.AccountQueue)
- }
- }
- // Tests that if the transaction count belonging to multiple accounts go above
- // some threshold, the higher transactions are dropped to prevent DOS attacks.
- //
- // This logic should not hold for local transactions, unless the local tracking
- // mechanism is disabled.
- func TestTransactionQueueGlobalLimiting(t *testing.T) {
- testTransactionQueueGlobalLimiting(t, false)
- }
- func TestTransactionQueueGlobalLimitingNoLocals(t *testing.T) {
- testTransactionQueueGlobalLimiting(t, true)
- }
- func testTransactionQueueGlobalLimiting(t *testing.T, nolocals bool) {
- t.Parallel()
- // Create the pool to test the limit enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.NoLocals = nolocals
- config.GlobalQueue = config.AccountQueue*3 - 1 // reduce the queue limits to shorten test time (-1 to make it non divisible)
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create a number of test accounts and fund them (last one will be the local)
- keys := make([]*ecdsa.PrivateKey, 5)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- local := keys[len(keys)-1]
- // Generate and queue a batch of transactions
- nonces := make(map[common.Address]uint64)
- txs := make(types.Transactions, 0, 3*config.GlobalQueue)
- for len(txs) < cap(txs) {
- key := keys[rand.Intn(len(keys)-1)] // skip adding transactions with the local account
- addr := crypto.PubkeyToAddress(key.PublicKey)
- txs = append(txs, transaction(nonces[addr]+1, 100000, key))
- nonces[addr]++
- }
- // Import the batch and verify that limits have been enforced
- pool.AddRemotes(txs)
- queued := 0
- for addr, list := range pool.queue {
- if list.Len() > int(config.AccountQueue) {
- t.Errorf("addr %x: queued accounts overflown allowance: %d > %d", addr, list.Len(), config.AccountQueue)
- }
- queued += list.Len()
- }
- if queued > int(config.GlobalQueue) {
- t.Fatalf("total transactions overflow allowance: %d > %d", queued, config.GlobalQueue)
- }
- // Generate a batch of transactions from the local account and import them
- txs = txs[:0]
- for i := uint64(0); i < 3*config.GlobalQueue; i++ {
- txs = append(txs, transaction(i+1, 100000, local))
- }
- pool.AddLocals(txs)
- // If locals are disabled, the previous eviction algorithm should apply here too
- if nolocals {
- queued := 0
- for addr, list := range pool.queue {
- if list.Len() > int(config.AccountQueue) {
- t.Errorf("addr %x: queued accounts overflown allowance: %d > %d", addr, list.Len(), config.AccountQueue)
- }
- queued += list.Len()
- }
- if queued > int(config.GlobalQueue) {
- t.Fatalf("total transactions overflow allowance: %d > %d", queued, config.GlobalQueue)
- }
- } else {
- // Local exemptions are enabled, make sure the local account owned the queue
- if len(pool.queue) != 1 {
- t.Errorf("multiple accounts in queue: have %v, want %v", len(pool.queue), 1)
- }
- // Also ensure no local transactions are ever dropped, even if above global limits
- if queued := pool.queue[crypto.PubkeyToAddress(local.PublicKey)].Len(); uint64(queued) != 3*config.GlobalQueue {
- t.Fatalf("local account queued transaction count mismatch: have %v, want %v", queued, 3*config.GlobalQueue)
- }
- }
- }
- // Tests that if an account remains idle for a prolonged amount of time, any
- // non-executable transactions queued up are dropped to prevent wasting resources
- // on shuffling them around.
- //
- // This logic should not hold for local transactions, unless the local tracking
- // mechanism is disabled.
- func TestTransactionQueueTimeLimiting(t *testing.T) { testTransactionQueueTimeLimiting(t, false) }
- func TestTransactionQueueTimeLimitingNoLocals(t *testing.T) { testTransactionQueueTimeLimiting(t, true) }
- func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
- // Reduce the eviction interval to a testable amount
- defer func(old time.Duration) { evictionInterval = old }(evictionInterval)
- evictionInterval = time.Second
- // Create the pool to test the non-expiration enforcement
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.Lifetime = time.Second
- config.NoLocals = nolocals
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create two test accounts to ensure remotes expire but locals do not
- local, _ := crypto.GenerateKey()
- remote, _ := crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(local.PublicKey), big.NewInt(1000000000))
- pool.currentState.AddBalance(crypto.PubkeyToAddress(remote.PublicKey), big.NewInt(1000000000))
- // Add the two transactions and ensure they both are queued up
- if err := pool.AddLocal(pricedTransaction(1, 100000, big.NewInt(1), local)); err != nil {
- t.Fatalf("failed to add local transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(1, 100000, big.NewInt(1), remote)); err != nil {
- t.Fatalf("failed to add remote transaction: %v", err)
- }
- pending, queued := pool.Stats()
- if pending != 0 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
- }
- if queued != 2 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Wait a bit for eviction to run and clean up any leftovers, and ensure only the local remains
- time.Sleep(2 * config.Lifetime)
- pending, queued = pool.Stats()
- if pending != 0 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
- }
- if nolocals {
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- } else {
- if queued != 1 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
- }
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that even if the transaction count belonging to a single account goes
- // above some threshold, as long as the transactions are executable, they are
- // accepted.
- func TestTransactionPendingLimiting(t *testing.T) {
- t.Parallel()
- // Create a test account and fund it
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, testTxPoolConfig.AccountQueue+5)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Keep queuing up transactions and make sure all above a limit are dropped
- for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
- if err := pool.AddRemote(transaction(i, 100000, key)); err != nil {
- t.Fatalf("tx %d: failed to add transaction: %v", i, err)
- }
- if pool.pending[account].Len() != int(i)+1 {
- t.Errorf("tx %d: pending pool size mismatch: have %d, want %d", i, pool.pending[account].Len(), i+1)
- }
- if len(pool.queue) != 0 {
- t.Errorf("tx %d: queue size mismatch: have %d, want %d", i, pool.queue[account].Len(), 0)
- }
- }
- if pool.all.Count() != int(testTxPoolConfig.AccountQueue+5) {
- t.Errorf("total transaction mismatch: have %d, want %d", pool.all.Count(), testTxPoolConfig.AccountQueue+5)
- }
- if err := validateEvents(events, int(testTxPoolConfig.AccountQueue+5)); err != nil {
- t.Fatalf("event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that the transaction limits are enforced the same way irrelevant whether
- // the transactions are added one by one or in batches.
- func TestTransactionQueueLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 1) }
- func TestTransactionPendingLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 0) }
- func testTransactionLimitingEquivalency(t *testing.T, origin uint64) {
- t.Parallel()
- // Add a batch of transactions to a pool one by one
- pool1, key1 := setupTxPool()
- defer pool1.Stop()
- account1, _ := deriveSender(transaction(0, 0, key1))
- pool1.currentState.AddBalance(account1, big.NewInt(1000000))
- for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
- if err := pool1.AddRemote(transaction(origin+i, 100000, key1)); err != nil {
- t.Fatalf("tx %d: failed to add transaction: %v", i, err)
- }
- }
- // Add a batch of transactions to a pool in one big batch
- pool2, key2 := setupTxPool()
- defer pool2.Stop()
- account2, _ := deriveSender(transaction(0, 0, key2))
- pool2.currentState.AddBalance(account2, big.NewInt(1000000))
- txs := []*types.Transaction{}
- for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
- txs = append(txs, transaction(origin+i, 100000, key2))
- }
- pool2.AddRemotes(txs)
- // Ensure the batch optimization honors the same pool mechanics
- if len(pool1.pending) != len(pool2.pending) {
- t.Errorf("pending transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.pending), len(pool2.pending))
- }
- if len(pool1.queue) != len(pool2.queue) {
- t.Errorf("queued transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.queue), len(pool2.queue))
- }
- if pool1.all.Count() != pool2.all.Count() {
- t.Errorf("total transaction count mismatch: one-by-one algo %d, batch algo %d", pool1.all.Count(), pool2.all.Count())
- }
- if err := validateTxPoolInternals(pool1); err != nil {
- t.Errorf("pool 1 internal state corrupted: %v", err)
- }
- if err := validateTxPoolInternals(pool2); err != nil {
- t.Errorf("pool 2 internal state corrupted: %v", err)
- }
- }
- // Tests that if the transaction count belonging to multiple accounts go above
- // some hard threshold, the higher transactions are dropped to prevent DOS
- // attacks.
- func TestTransactionPendingGlobalLimiting(t *testing.T) {
- t.Parallel()
- // Create the pool to test the limit enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.GlobalSlots = config.AccountSlots * 10
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 5)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Generate and queue a batch of transactions
- nonces := make(map[common.Address]uint64)
- txs := types.Transactions{}
- for _, key := range keys {
- addr := crypto.PubkeyToAddress(key.PublicKey)
- for j := 0; j < int(config.GlobalSlots)/len(keys)*2; j++ {
- txs = append(txs, transaction(nonces[addr], 100000, key))
- nonces[addr]++
- }
- }
- // Import the batch and verify that limits have been enforced
- pool.AddRemotes(txs)
- pending := 0
- for _, list := range pool.pending {
- pending += list.Len()
- }
- if pending > int(config.GlobalSlots) {
- t.Fatalf("total pending transactions overflow allowance: %d > %d", pending, config.GlobalSlots)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that if transactions start being capped, transactions are also removed from 'all'
- func TestTransactionCapClearsFromAll(t *testing.T) {
- t.Parallel()
- // Create the pool to test the limit enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.AccountSlots = 2
- config.AccountQueue = 2
- config.GlobalSlots = 8
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create a number of test accounts and fund them
- key, _ := crypto.GenerateKey()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- pool.currentState.AddBalance(addr, big.NewInt(1000000))
- txs := types.Transactions{}
- for j := 0; j < int(config.GlobalSlots)*2; j++ {
- txs = append(txs, transaction(uint64(j), 100000, key))
- }
- // Import the batch and verify that limits have been enforced
- pool.AddRemotes(txs)
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that if the transaction count belonging to multiple accounts go above
- // some hard threshold, if they are under the minimum guaranteed slot count then
- // the transactions are still kept.
- func TestTransactionPendingMinimumAllowance(t *testing.T) {
- t.Parallel()
- // Create the pool to test the limit enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.GlobalSlots = 0
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 5)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Generate and queue a batch of transactions
- nonces := make(map[common.Address]uint64)
- txs := types.Transactions{}
- for _, key := range keys {
- addr := crypto.PubkeyToAddress(key.PublicKey)
- for j := 0; j < int(config.AccountSlots)*2; j++ {
- txs = append(txs, transaction(nonces[addr], 100000, key))
- nonces[addr]++
- }
- }
- // Import the batch and verify that limits have been enforced
- pool.AddRemotes(txs)
- for addr, list := range pool.pending {
- if list.Len() != int(config.AccountSlots) {
- t.Errorf("addr %x: total pending transactions mismatch: have %d, want %d", addr, list.Len(), config.AccountSlots)
- }
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that setting the transaction pool gas price to a higher value correctly
- // discards everything cheaper than that and moves any gapped transactions back
- // from the pending pool to the queue.
- //
- // Note, local transactions are never allowed to be dropped.
- func TestTransactionPoolRepricing(t *testing.T) {
- t.Parallel()
- // Create the pool to test the pricing enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, 32)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 4)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Generate and queue a batch of transactions, both pending and queued
- txs := types.Transactions{}
- txs = append(txs, pricedTransaction(0, 100000, big.NewInt(2), keys[0]))
- txs = append(txs, pricedTransaction(1, 100000, big.NewInt(1), keys[0]))
- txs = append(txs, pricedTransaction(2, 100000, big.NewInt(2), keys[0]))
- txs = append(txs, pricedTransaction(0, 100000, big.NewInt(1), keys[1]))
- txs = append(txs, pricedTransaction(1, 100000, big.NewInt(2), keys[1]))
- txs = append(txs, pricedTransaction(2, 100000, big.NewInt(2), keys[1]))
- txs = append(txs, pricedTransaction(1, 100000, big.NewInt(2), keys[2]))
- txs = append(txs, pricedTransaction(2, 100000, big.NewInt(1), keys[2]))
- txs = append(txs, pricedTransaction(3, 100000, big.NewInt(2), keys[2]))
- ltx := pricedTransaction(0, 100000, big.NewInt(1), keys[3])
- // Import the batch and that both pending and queued transactions match up
- pool.AddRemotes(txs)
- pool.AddLocal(ltx)
- pending, queued := pool.Stats()
- if pending != 7 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 7)
- }
- if queued != 3 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 3)
- }
- if err := validateEvents(events, 7); err != nil {
- t.Fatalf("original event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Reprice the pool and check that underpriced transactions get dropped
- pool.SetGasPrice(big.NewInt(2))
- pending, queued = pool.Stats()
- if pending != 2 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
- }
- if queued != 5 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 5)
- }
- if err := validateEvents(events, 0); err != nil {
- t.Fatalf("reprice event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Check that we can't add the old transactions back
- if err := pool.AddRemote(pricedTransaction(1, 100000, big.NewInt(1), keys[0])); err != ErrUnderpriced {
- t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), keys[1])); err != ErrUnderpriced {
- t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(1), keys[2])); err != ErrUnderpriced {
- t.Fatalf("adding underpriced queued transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
- }
- if err := validateEvents(events, 0); err != nil {
- t.Fatalf("post-reprice event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // However we can add local underpriced transactions
- tx := pricedTransaction(1, 100000, big.NewInt(1), keys[3])
- if err := pool.AddLocal(tx); err != nil {
- t.Fatalf("failed to add underpriced local transaction: %v", err)
- }
- if pending, _ = pool.Stats(); pending != 3 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
- }
- if err := validateEvents(events, 1); err != nil {
- t.Fatalf("post-reprice local event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // And we can fill gaps with properly priced transactions
- if err := pool.AddRemote(pricedTransaction(1, 100000, big.NewInt(2), keys[0])); err != nil {
- t.Fatalf("failed to add pending transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(2), keys[1])); err != nil {
- t.Fatalf("failed to add pending transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(2), keys[2])); err != nil {
- t.Fatalf("failed to add queued transaction: %v", err)
- }
- if err := validateEvents(events, 5); err != nil {
- t.Fatalf("post-reprice event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that setting the transaction pool gas price to a higher value does not
- // remove local transactions.
- func TestTransactionPoolRepricingKeepsLocals(t *testing.T) {
- t.Parallel()
- // Create the pool to test the pricing enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 3)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000*1000000))
- }
- // Create transaction (both pending and queued) with a linearly growing gasprice
- for i := uint64(0); i < 500; i++ {
- // Add pending
- p_tx := pricedTransaction(i, 100000, big.NewInt(int64(i)), keys[2])
- if err := pool.AddLocal(p_tx); err != nil {
- t.Fatal(err)
- }
- // Add queued
- q_tx := pricedTransaction(i+501, 100000, big.NewInt(int64(i)), keys[2])
- if err := pool.AddLocal(q_tx); err != nil {
- t.Fatal(err)
- }
- }
- pending, queued := pool.Stats()
- expPending, expQueued := 500, 500
- validate := func() {
- pending, queued = pool.Stats()
- if pending != expPending {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, expPending)
- }
- if queued != expQueued {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, expQueued)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- validate()
- // Reprice the pool and check that nothing is dropped
- pool.SetGasPrice(big.NewInt(2))
- validate()
- pool.SetGasPrice(big.NewInt(2))
- pool.SetGasPrice(big.NewInt(4))
- pool.SetGasPrice(big.NewInt(8))
- pool.SetGasPrice(big.NewInt(100))
- validate()
- }
- // Tests that when the pool reaches its global transaction limit, underpriced
- // transactions are gradually shifted out for more expensive ones and any gapped
- // pending transactions are moved into the queue.
- //
- // Note, local transactions are never allowed to be dropped.
- func TestTransactionPoolUnderpricing(t *testing.T) {
- t.Parallel()
- // Create the pool to test the pricing enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.GlobalSlots = 2
- config.GlobalQueue = 2
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, 32)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 4)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Generate and queue a batch of transactions, both pending and queued
- txs := types.Transactions{}
- txs = append(txs, pricedTransaction(0, 100000, big.NewInt(1), keys[0]))
- txs = append(txs, pricedTransaction(1, 100000, big.NewInt(2), keys[0]))
- txs = append(txs, pricedTransaction(1, 100000, big.NewInt(1), keys[1]))
- ltx := pricedTransaction(0, 100000, big.NewInt(1), keys[2])
- // Import the batch and that both pending and queued transactions match up
- pool.AddRemotes(txs)
- pool.AddLocal(ltx)
- pending, queued := pool.Stats()
- if pending != 3 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
- }
- if queued != 1 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
- }
- if err := validateEvents(events, 3); err != nil {
- t.Fatalf("original event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Ensure that adding an underpriced transaction on block limit fails
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), keys[1])); err != ErrUnderpriced {
- t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
- }
- // Ensure that adding high priced transactions drops cheap ones, but not own
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(3), keys[1])); err != nil { // +K1:0 => -K1:1 => Pend K0:0, K0:1, K1:0, K2:0; Que -
- t.Fatalf("failed to add well priced transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(4), keys[1])); err != nil { // +K1:2 => -K0:0 => Pend K1:0, K2:0; Que K0:1 K1:2
- t.Fatalf("failed to add well priced transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(3, 100000, big.NewInt(5), keys[1])); err != nil { // +K1:3 => -K0:1 => Pend K1:0, K2:0; Que K1:2 K1:3
- t.Fatalf("failed to add well priced transaction: %v", err)
- }
- pending, queued = pool.Stats()
- if pending != 2 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
- }
- if queued != 2 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
- }
- if err := validateEvents(events, 1); err != nil {
- t.Fatalf("additional event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Ensure that adding local transactions can push out even higher priced ones
- ltx = pricedTransaction(1, 100000, big.NewInt(0), keys[2])
- if err := pool.AddLocal(ltx); err != nil {
- t.Fatalf("failed to append underpriced local transaction: %v", err)
- }
- ltx = pricedTransaction(0, 100000, big.NewInt(0), keys[3])
- if err := pool.AddLocal(ltx); err != nil {
- t.Fatalf("failed to add new underpriced local transaction: %v", err)
- }
- pending, queued = pool.Stats()
- if pending != 3 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
- }
- if queued != 1 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
- }
- if err := validateEvents(events, 2); err != nil {
- t.Fatalf("local event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that more expensive transactions push out cheap ones from the pool, but
- // without producing instability by creating gaps that start jumping transactions
- // back and forth between queued/pending.
- func TestTransactionPoolStableUnderpricing(t *testing.T) {
- t.Parallel()
- // Create the pool to test the pricing enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.GlobalSlots = 128
- config.GlobalQueue = 0
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, 32)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Create a number of test accounts and fund them
- keys := make([]*ecdsa.PrivateKey, 2)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Fill up the entire queue with the same transaction price points
- txs := types.Transactions{}
- for i := uint64(0); i < config.GlobalSlots; i++ {
- txs = append(txs, pricedTransaction(i, 100000, big.NewInt(1), keys[0]))
- }
- pool.AddRemotes(txs)
- pending, queued := pool.Stats()
- if pending != int(config.GlobalSlots) {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, config.GlobalSlots)
- }
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- if err := validateEvents(events, int(config.GlobalSlots)); err != nil {
- t.Fatalf("original event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Ensure that adding high priced transactions drops a cheap, but doesn't produce a gap
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(3), keys[1])); err != nil {
- t.Fatalf("failed to add well priced transaction: %v", err)
- }
- pending, queued = pool.Stats()
- if pending != int(config.GlobalSlots) {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, config.GlobalSlots)
- }
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- if err := validateEvents(events, 1); err != nil {
- t.Fatalf("additional event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that the pool rejects replacement transactions that don't meet the minimum
- // price bump required.
- func TestTransactionReplacement(t *testing.T) {
- t.Parallel()
- // Create the pool to test the pricing enforcement with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Keep track of transaction events to ensure all executables get announced
- events := make(chan NewTxsEvent, 32)
- sub := pool.txFeed.Subscribe(events)
- defer sub.Unsubscribe()
- // Create a test account to add transactions with
- key, _ := crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(1000000000))
- // Add pending transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
- price := int64(100)
- threshold := (price * (100 + int64(testTxPoolConfig.PriceBump))) / 100
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), key)); err != nil {
- t.Fatalf("failed to add original cheap pending transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100001, big.NewInt(1), key)); err != ErrReplaceUnderpriced {
- t.Fatalf("original cheap pending transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(2), key)); err != nil {
- t.Fatalf("failed to replace original cheap pending transaction: %v", err)
- }
- if err := validateEvents(events, 2); err != nil {
- t.Fatalf("cheap replacement event firing failed: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(price), key)); err != nil {
- t.Fatalf("failed to add original proper pending transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100001, big.NewInt(threshold-1), key)); err != ErrReplaceUnderpriced {
- t.Fatalf("original proper pending transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(threshold), key)); err != nil {
- t.Fatalf("failed to replace original proper pending transaction: %v", err)
- }
- if err := validateEvents(events, 2); err != nil {
- t.Fatalf("proper replacement event firing failed: %v", err)
- }
- // Add queued transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(1), key)); err != nil {
- t.Fatalf("failed to add original cheap queued transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100001, big.NewInt(1), key)); err != ErrReplaceUnderpriced {
- t.Fatalf("original cheap queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(2), key)); err != nil {
- t.Fatalf("failed to replace original cheap queued transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(price), key)); err != nil {
- t.Fatalf("failed to add original proper queued transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100001, big.NewInt(threshold-1), key)); err != ErrReplaceUnderpriced {
- t.Fatalf("original proper queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
- }
- if err := pool.AddRemote(pricedTransaction(2, 100000, big.NewInt(threshold), key)); err != nil {
- t.Fatalf("failed to replace original proper queued transaction: %v", err)
- }
- if err := validateEvents(events, 0); err != nil {
- t.Fatalf("queued replacement event firing failed: %v", err)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- }
- // Tests that local transactions are journaled to disk, but remote transactions
- // get discarded between restarts.
- func TestTransactionJournaling(t *testing.T) { testTransactionJournaling(t, false) }
- func TestTransactionJournalingNoLocals(t *testing.T) { testTransactionJournaling(t, true) }
- func testTransactionJournaling(t *testing.T, nolocals bool) {
- t.Parallel()
- // Create a temporary file for the journal
- file, err := ioutil.TempFile("", "")
- if err != nil {
- t.Fatalf("failed to create temporary journal: %v", err)
- }
- journal := file.Name()
- defer os.Remove(journal)
- // Clean up the temporary file, we only need the path for now
- file.Close()
- os.Remove(journal)
- // Create the original pool to inject transaction into the journal
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- config := testTxPoolConfig
- config.NoLocals = nolocals
- config.Journal = journal
- config.Rejournal = time.Second
- pool := NewTxPool(config, params.TestChainConfig, blockchain)
- // Create two test accounts to ensure remotes expire but locals do not
- local, _ := crypto.GenerateKey()
- remote, _ := crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(local.PublicKey), big.NewInt(1000000000))
- pool.currentState.AddBalance(crypto.PubkeyToAddress(remote.PublicKey), big.NewInt(1000000000))
- // Add three local and a remote transactions and ensure they are queued up
- if err := pool.AddLocal(pricedTransaction(0, 100000, big.NewInt(1), local)); err != nil {
- t.Fatalf("failed to add local transaction: %v", err)
- }
- if err := pool.AddLocal(pricedTransaction(1, 100000, big.NewInt(1), local)); err != nil {
- t.Fatalf("failed to add local transaction: %v", err)
- }
- if err := pool.AddLocal(pricedTransaction(2, 100000, big.NewInt(1), local)); err != nil {
- t.Fatalf("failed to add local transaction: %v", err)
- }
- if err := pool.AddRemote(pricedTransaction(0, 100000, big.NewInt(1), remote)); err != nil {
- t.Fatalf("failed to add remote transaction: %v", err)
- }
- pending, queued := pool.Stats()
- if pending != 4 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 4)
- }
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Terminate the old pool, bump the local nonce, create a new pool and ensure relevant transaction survive
- pool.Stop()
- statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 1)
- blockchain = &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool = NewTxPool(config, params.TestChainConfig, blockchain)
- pending, queued = pool.Stats()
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- if nolocals {
- if pending != 0 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
- }
- } else {
- if pending != 2 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
- }
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Bump the nonce temporarily and ensure the newly invalidated transaction is removed
- statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 2)
- pool.lockedReset(nil, nil)
- time.Sleep(2 * config.Rejournal)
- pool.Stop()
- statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 1)
- blockchain = &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool = NewTxPool(config, params.TestChainConfig, blockchain)
- pending, queued = pool.Stats()
- if pending != 0 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
- }
- if nolocals {
- if queued != 0 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
- }
- } else {
- if queued != 1 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
- }
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- pool.Stop()
- }
- // TestTransactionStatusCheck tests that the pool can correctly retrieve the
- // pending status of individual transactions.
- func TestTransactionStatusCheck(t *testing.T) {
- t.Parallel()
- // Create the pool to test the status retrievals with
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
- blockchain := &testBlockChain{statedb, 1000000, new(event.Feed)}
- pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
- defer pool.Stop()
- // Create the test accounts to check various transaction statuses with
- keys := make([]*ecdsa.PrivateKey, 3)
- for i := 0; i < len(keys); i++ {
- keys[i], _ = crypto.GenerateKey()
- pool.currentState.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
- }
- // Generate and queue a batch of transactions, both pending and queued
- txs := types.Transactions{}
- txs = append(txs, pricedTransaction(0, 100000, big.NewInt(1), keys[0])) // Pending only
- txs = append(txs, pricedTransaction(0, 100000, big.NewInt(1), keys[1])) // Pending and queued
- txs = append(txs, pricedTransaction(2, 100000, big.NewInt(1), keys[1]))
- txs = append(txs, pricedTransaction(2, 100000, big.NewInt(1), keys[2])) // Queued only
- // Import the transaction and ensure they are correctly added
- pool.AddRemotes(txs)
- pending, queued := pool.Stats()
- if pending != 2 {
- t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
- }
- if queued != 2 {
- t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
- }
- if err := validateTxPoolInternals(pool); err != nil {
- t.Fatalf("pool internal state corrupted: %v", err)
- }
- // Retrieve the status of each transaction and validate them
- hashes := make([]common.Hash, len(txs))
- for i, tx := range txs {
- hashes[i] = tx.Hash()
- }
- hashes = append(hashes, common.Hash{})
- statuses := pool.Status(hashes)
- expect := []TxStatus{TxStatusPending, TxStatusPending, TxStatusQueued, TxStatusQueued, TxStatusUnknown}
- for i := 0; i < len(statuses); i++ {
- if statuses[i] != expect[i] {
- t.Errorf("transaction %d: status mismatch: have %v, want %v", i, statuses[i], expect[i])
- }
- }
- }
- // Benchmarks the speed of validating the contents of the pending queue of the
- // transaction pool.
- func BenchmarkPendingDemotion100(b *testing.B) { benchmarkPendingDemotion(b, 100) }
- func BenchmarkPendingDemotion1000(b *testing.B) { benchmarkPendingDemotion(b, 1000) }
- func BenchmarkPendingDemotion10000(b *testing.B) { benchmarkPendingDemotion(b, 10000) }
- func benchmarkPendingDemotion(b *testing.B, size int) {
- // Add a batch of transactions to a pool one by one
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- for i := 0; i < size; i++ {
- tx := transaction(uint64(i), 100000, key)
- pool.promoteTx(account, tx.Hash(), tx)
- }
- // Benchmark the speed of pool validation
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- pool.demoteUnexecutables()
- }
- }
- // Benchmarks the speed of scheduling the contents of the future queue of the
- // transaction pool.
- func BenchmarkFuturePromotion100(b *testing.B) { benchmarkFuturePromotion(b, 100) }
- func BenchmarkFuturePromotion1000(b *testing.B) { benchmarkFuturePromotion(b, 1000) }
- func BenchmarkFuturePromotion10000(b *testing.B) { benchmarkFuturePromotion(b, 10000) }
- func benchmarkFuturePromotion(b *testing.B, size int) {
- // Add a batch of transactions to a pool one by one
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- for i := 0; i < size; i++ {
- tx := transaction(uint64(1+i), 100000, key)
- pool.enqueueTx(tx.Hash(), tx)
- }
- // Benchmark the speed of pool validation
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- pool.promoteExecutables(nil)
- }
- }
- // Benchmarks the speed of iterative transaction insertion.
- func BenchmarkPoolInsert(b *testing.B) {
- // Generate a batch of transactions to enqueue into the pool
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- txs := make(types.Transactions, b.N)
- for i := 0; i < b.N; i++ {
- txs[i] = transaction(uint64(i), 100000, key)
- }
- // Benchmark importing the transactions into the queue
- b.ResetTimer()
- for _, tx := range txs {
- pool.AddRemote(tx)
- }
- }
- // Benchmarks the speed of batched transaction insertion.
- func BenchmarkPoolBatchInsert100(b *testing.B) { benchmarkPoolBatchInsert(b, 100) }
- func BenchmarkPoolBatchInsert1000(b *testing.B) { benchmarkPoolBatchInsert(b, 1000) }
- func BenchmarkPoolBatchInsert10000(b *testing.B) { benchmarkPoolBatchInsert(b, 10000) }
- func benchmarkPoolBatchInsert(b *testing.B, size int) {
- // Generate a batch of transactions to enqueue into the pool
- pool, key := setupTxPool()
- defer pool.Stop()
- account, _ := deriveSender(transaction(0, 0, key))
- pool.currentState.AddBalance(account, big.NewInt(1000000))
- batches := make([]types.Transactions, b.N)
- for i := 0; i < b.N; i++ {
- batches[i] = make(types.Transactions, size)
- for j := 0; j < size; j++ {
- batches[i][j] = transaction(uint64(size*i+j), 100000, key)
- }
- }
- // Benchmark importing the transactions into the queue
- b.ResetTimer()
- for _, batch := range batches {
- pool.AddRemotes(batch)
- }
- }
|