mirror of https://github.com/status-im/op-geth.git
319 lines
9.1 KiB
Go
319 lines
9.1 KiB
Go
// Copyright 2020 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 fetcher
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"math/big"
|
|
"math/rand"
|
|
"sync"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
)
|
|
|
|
func init() {
|
|
rand.Seed(int64(time.Now().Nanosecond()))
|
|
|
|
txAnnounceLimit = 64
|
|
MaxTransactionFetch = 16
|
|
}
|
|
|
|
func makeTransactions(key *ecdsa.PrivateKey, target int) []*types.Transaction {
|
|
var txs []*types.Transaction
|
|
|
|
for i := 0; i < target; i++ {
|
|
random := rand.Uint32()
|
|
tx := types.NewTransaction(uint64(random), common.Address{0x1, 0x2, 0x3}, big.NewInt(int64(random)), 100, big.NewInt(int64(random)), nil)
|
|
tx, _ = types.SignTx(tx, types.NewEIP155Signer(big.NewInt(1)), key)
|
|
txs = append(txs, tx)
|
|
}
|
|
return txs
|
|
}
|
|
|
|
func makeUnsignedTransactions(key *ecdsa.PrivateKey, target int) []*types.Transaction {
|
|
var txs []*types.Transaction
|
|
|
|
for i := 0; i < target; i++ {
|
|
random := rand.Uint32()
|
|
tx := types.NewTransaction(uint64(random), common.Address{0x1, 0x2, 0x3}, big.NewInt(int64(random)), 100, big.NewInt(int64(random)), nil)
|
|
txs = append(txs, tx)
|
|
}
|
|
return txs
|
|
}
|
|
|
|
type txfetcherTester struct {
|
|
fetcher *TxFetcher
|
|
|
|
priceLimit *big.Int
|
|
sender *ecdsa.PrivateKey
|
|
senderAddr common.Address
|
|
signer types.Signer
|
|
txs map[common.Hash]*types.Transaction
|
|
dropped map[string]struct{}
|
|
lock sync.RWMutex
|
|
}
|
|
|
|
func newTxFetcherTester() *txfetcherTester {
|
|
key, _ := crypto.GenerateKey()
|
|
addr := crypto.PubkeyToAddress(key.PublicKey)
|
|
t := &txfetcherTester{
|
|
sender: key,
|
|
senderAddr: addr,
|
|
signer: types.NewEIP155Signer(big.NewInt(1)),
|
|
txs: make(map[common.Hash]*types.Transaction),
|
|
dropped: make(map[string]struct{}),
|
|
}
|
|
t.fetcher = NewTxFetcher(t.hasTx, t.addTxs, t.dropPeer)
|
|
t.fetcher.Start()
|
|
return t
|
|
}
|
|
|
|
func (t *txfetcherTester) hasTx(hash common.Hash) bool {
|
|
t.lock.RLock()
|
|
defer t.lock.RUnlock()
|
|
|
|
return t.txs[hash] != nil
|
|
}
|
|
|
|
func (t *txfetcherTester) addTxs(txs []*types.Transaction) []error {
|
|
t.lock.Lock()
|
|
defer t.lock.Unlock()
|
|
|
|
var errors []error
|
|
for _, tx := range txs {
|
|
// Make sure the transaction is signed properly
|
|
_, err := types.Sender(t.signer, tx)
|
|
if err != nil {
|
|
errors = append(errors, core.ErrInvalidSender)
|
|
continue
|
|
}
|
|
// Make sure the price is high enough to accpet
|
|
if t.priceLimit != nil && tx.GasPrice().Cmp(t.priceLimit) < 0 {
|
|
errors = append(errors, core.ErrUnderpriced)
|
|
continue
|
|
}
|
|
t.txs[tx.Hash()] = tx
|
|
errors = append(errors, nil)
|
|
}
|
|
return errors
|
|
}
|
|
|
|
func (t *txfetcherTester) dropPeer(id string) {
|
|
t.lock.Lock()
|
|
defer t.lock.Unlock()
|
|
|
|
t.dropped[id] = struct{}{}
|
|
}
|
|
|
|
// makeTxFetcher retrieves a batch of transaction associated with a simulated peer.
|
|
func (t *txfetcherTester) makeTxFetcher(peer string, txs []*types.Transaction) func(hashes []common.Hash) {
|
|
closure := make(map[common.Hash]*types.Transaction)
|
|
for _, tx := range txs {
|
|
closure[tx.Hash()] = tx
|
|
}
|
|
return func(hashes []common.Hash) {
|
|
var txs []*types.Transaction
|
|
for _, hash := range hashes {
|
|
tx := closure[hash]
|
|
if tx == nil {
|
|
continue
|
|
}
|
|
txs = append(txs, tx)
|
|
}
|
|
// Return on a new thread
|
|
go t.fetcher.EnqueueTxs(peer, txs)
|
|
}
|
|
}
|
|
|
|
func TestSequentialTxAnnouncements(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
txs := makeTransactions(tester.sender, txAnnounceLimit)
|
|
|
|
retrieveTxs := tester.makeTxFetcher("peer", txs)
|
|
|
|
newTxsCh := make(chan struct{})
|
|
tester.fetcher.importTxsHook = func(transactions []*types.Transaction) {
|
|
newTxsCh <- struct{}{}
|
|
}
|
|
for _, tx := range txs {
|
|
tester.fetcher.Notify("peer", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout), retrieveTxs)
|
|
select {
|
|
case <-newTxsCh:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
if len(tester.txs) != len(txs) {
|
|
t.Fatalf("Imported transaction number mismatch, want %d, got %d", len(txs), len(tester.txs))
|
|
}
|
|
}
|
|
|
|
func TestConcurrentAnnouncements(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
txs := makeTransactions(tester.sender, txAnnounceLimit)
|
|
|
|
txFetcherFn1 := tester.makeTxFetcher("peer1", txs)
|
|
txFetcherFn2 := tester.makeTxFetcher("peer2", txs)
|
|
|
|
var (
|
|
count uint32
|
|
done = make(chan struct{})
|
|
)
|
|
tester.fetcher.importTxsHook = func(transactions []*types.Transaction) {
|
|
atomic.AddUint32(&count, uint32(len(transactions)))
|
|
if atomic.LoadUint32(&count) >= uint32(txAnnounceLimit) {
|
|
done <- struct{}{}
|
|
}
|
|
}
|
|
for _, tx := range txs {
|
|
tester.fetcher.Notify("peer1", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout), txFetcherFn1)
|
|
tester.fetcher.Notify("peer2", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout+time.Millisecond), txFetcherFn2)
|
|
tester.fetcher.Notify("peer2", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout-time.Millisecond), txFetcherFn2)
|
|
}
|
|
select {
|
|
case <-done:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestBatchAnnouncements(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
txs := makeTransactions(tester.sender, txAnnounceLimit)
|
|
|
|
retrieveTxs := tester.makeTxFetcher("peer", txs)
|
|
|
|
var count uint32
|
|
var done = make(chan struct{})
|
|
tester.fetcher.importTxsHook = func(txs []*types.Transaction) {
|
|
atomic.AddUint32(&count, uint32(len(txs)))
|
|
|
|
if atomic.LoadUint32(&count) >= uint32(txAnnounceLimit) {
|
|
done <- struct{}{}
|
|
}
|
|
}
|
|
// Send all announces which exceeds the limit.
|
|
var hashes []common.Hash
|
|
for _, tx := range txs {
|
|
hashes = append(hashes, tx.Hash())
|
|
}
|
|
tester.fetcher.Notify("peer", hashes, time.Now(), retrieveTxs)
|
|
|
|
select {
|
|
case <-done:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestPropagationAfterAnnounce(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
txs := makeTransactions(tester.sender, txAnnounceLimit)
|
|
|
|
var cleaned = make(chan struct{})
|
|
tester.fetcher.cleanupHook = func(hashes []common.Hash) {
|
|
cleaned <- struct{}{}
|
|
}
|
|
retrieveTxs := tester.makeTxFetcher("peer", txs)
|
|
for _, tx := range txs {
|
|
tester.fetcher.Notify("peer", []common.Hash{tx.Hash()}, time.Now(), retrieveTxs)
|
|
tester.fetcher.EnqueueTxs("peer", []*types.Transaction{tx})
|
|
|
|
// It's ok to read the map directly since no write
|
|
// will happen in the same time.
|
|
<-cleaned
|
|
if len(tester.fetcher.announced) != 0 {
|
|
t.Fatalf("Announcement should be cleaned, got %d", len(tester.fetcher.announced))
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEnqueueTransactions(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
txs := makeTransactions(tester.sender, txAnnounceLimit)
|
|
|
|
done := make(chan struct{})
|
|
tester.fetcher.importTxsHook = func(transactions []*types.Transaction) {
|
|
if len(transactions) == txAnnounceLimit {
|
|
done <- struct{}{}
|
|
}
|
|
}
|
|
go tester.fetcher.EnqueueTxs("peer", txs)
|
|
select {
|
|
case <-done:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestInvalidTxAnnounces(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
|
|
var txs []*types.Transaction
|
|
txs = append(txs, makeUnsignedTransactions(tester.sender, 1)...)
|
|
txs = append(txs, makeTransactions(tester.sender, 1)...)
|
|
|
|
txFetcherFn := tester.makeTxFetcher("peer", txs)
|
|
|
|
dropped := make(chan string, 1)
|
|
tester.fetcher.dropHook = func(s string) { dropped <- s }
|
|
|
|
for _, tx := range txs {
|
|
tester.fetcher.Notify("peer", []common.Hash{tx.Hash()}, time.Now(), txFetcherFn)
|
|
}
|
|
select {
|
|
case s := <-dropped:
|
|
if s != "peer" {
|
|
t.Fatalf("invalid dropped peer")
|
|
}
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestRejectUnderpriced(t *testing.T) {
|
|
tester := newTxFetcherTester()
|
|
tester.priceLimit = big.NewInt(10000)
|
|
|
|
done := make(chan struct{})
|
|
tester.fetcher.importTxsHook = func([]*types.Transaction) { done <- struct{}{} }
|
|
reject := make(chan struct{})
|
|
tester.fetcher.rejectUnderprice = func(common.Hash) { reject <- struct{}{} }
|
|
|
|
tx := types.NewTransaction(0, common.Address{0x1, 0x2, 0x3}, big.NewInt(int64(100)), 100, big.NewInt(int64(100)), nil)
|
|
tx, _ = types.SignTx(tx, types.NewEIP155Signer(big.NewInt(1)), tester.sender)
|
|
txFetcherFn := tester.makeTxFetcher("peer", []*types.Transaction{tx})
|
|
|
|
// Send the announcement first time
|
|
tester.fetcher.Notify("peer", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout), txFetcherFn)
|
|
<-done
|
|
|
|
// Resend the announcement, shouldn't schedule fetching this time
|
|
tester.fetcher.Notify("peer", []common.Hash{tx.Hash()}, time.Now().Add(-arriveTimeout), txFetcherFn)
|
|
select {
|
|
case <-reject:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|