erigon-pulse/eth/handler_eth_test.go

495 lines
17 KiB
Go

// Copyright 2014 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 eth
import (
"fmt"
"math/big"
"sync/atomic"
"testing"
"time"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/consensus/ethash"
"github.com/ledgerwatch/turbo-geth/core"
"github.com/ledgerwatch/turbo-geth/core/forkid"
"github.com/ledgerwatch/turbo-geth/core/rawdb"
"github.com/ledgerwatch/turbo-geth/core/types"
"github.com/ledgerwatch/turbo-geth/core/vm"
"github.com/ledgerwatch/turbo-geth/eth/protocols/eth"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/event"
"github.com/ledgerwatch/turbo-geth/p2p"
"github.com/ledgerwatch/turbo-geth/p2p/enode"
"github.com/ledgerwatch/turbo-geth/params"
"github.com/ledgerwatch/turbo-geth/turbo/mock"
"github.com/holiman/uint256"
)
// testEthHandler is a mock event handler to listen for inbound network requests
// on the `eth` protocol and convert them into a more easily testable form.
type testEthHandler struct {
blockBroadcasts event.Feed
txAnnounces event.Feed
txBroadcasts event.Feed
}
func (h *testEthHandler) Chain() *core.BlockChain { panic("no backing chain") }
func (h *testEthHandler) ChainConfig() *params.ChainConfig { panic("no backing chain") }
func (h *testEthHandler) GenesisHash() common.Hash { panic("no backing chain") }
func (h *testEthHandler) DB() ethdb.RwKV { panic("no backing chain") }
func (h *testEthHandler) TxPool() eth.TxPool { panic("no backing tx pool") }
func (h *testEthHandler) AcceptTxs() bool { return true }
func (h *testEthHandler) RunPeer(*eth.Peer, eth.Handler) error { panic("not used in tests") }
func (h *testEthHandler) PeerInfo(enode.ID) interface{} { panic("not used in tests") }
func (h *testEthHandler) Handle(peer *eth.Peer, packet eth.Packet) error {
switch packet := packet.(type) {
case *eth.NewBlockPacket:
h.blockBroadcasts.Send(packet.Block)
return nil
case *eth.NewPooledTransactionHashesPacket:
h.txAnnounces.Send(([]common.Hash)(*packet))
return nil
case *eth.TransactionsPacket:
h.txBroadcasts.Send(([]types.Transaction)(*packet))
return nil
case *eth.PooledTransactionsPacket:
h.txBroadcasts.Send(([]types.Transaction)(*packet))
return nil
default:
panic(fmt.Sprintf("unexpected eth packet type in tests: %T", packet))
}
}
// Tests that peers are correctly accepted (or rejected) based on the advertised
// fork IDs in the protocol handshake.
func TestForkIDSplit65(t *testing.T) { testForkIDSplit(t, eth.ETH65) }
func testForkIDSplit(t *testing.T, protocol uint) {
var (
engine = ethash.NewFaker()
configNoFork = &params.ChainConfig{HomesteadBlock: big.NewInt(1)}
configProFork = &params.ChainConfig{
HomesteadBlock: big.NewInt(1),
EIP150Block: big.NewInt(2),
EIP155Block: big.NewInt(2),
EIP158Block: big.NewInt(2),
ByzantiumBlock: big.NewInt(3),
}
dbNoFork = ethdb.NewTestDB(t)
dbProFork = ethdb.NewTestDB(t)
ethNoFork, _ = newHandler(&handlerConfig{
Database: dbNoFork,
ChainConfig: configNoFork,
genesis: (&core.Genesis{Config: configNoFork}).MustCommit(dbNoFork),
vmConfig: &vm.Config{},
engine: engine,
TxPool: mock.NewTestTxPool(),
Network: 1,
BloomCache: 1,
})
ethProFork, _ = newHandler(&handlerConfig{
Database: dbProFork,
ChainConfig: configProFork,
genesis: (&core.Genesis{Config: configProFork}).MustCommit(dbProFork),
vmConfig: &vm.Config{},
engine: engine,
TxPool: mock.NewTestTxPool(),
Network: 1,
BloomCache: 1,
})
)
ethNoFork.Start(1000)
ethProFork.Start(1000)
// Clean up everything after ourselves
defer ethNoFork.Stop()
defer ethProFork.Stop()
// Both nodes should allow the other to connect (same genesis, next fork is the same)
p2pNoFork, p2pProFork := p2p.MsgPipe()
defer p2pNoFork.Close()
defer p2pProFork.Close()
peerNoFork := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork, nil)
peerProFork := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork, nil)
defer peerNoFork.Close()
defer peerProFork.Close()
errc := make(chan error, 2)
go func() { errc <- ethNoFork.runEthPeer(peerProFork, func(peer *eth.Peer) error { return nil }) }()
go func() { errc <- ethProFork.runEthPeer(peerNoFork, func(peer *eth.Peer) error { return nil }) }()
for i := 0; i < 2; i++ {
select {
case err := <-errc:
if err != nil {
t.Fatalf("frontier nofork <-> profork failed: %v", err)
}
case <-time.After(250 * time.Millisecond):
t.Fatal("frontier nofork <-> profork handler timeout")
}
}
// Progress into Homestead. Fork's match, so we don't care what the future holds
atomic.StoreUint64(&ethNoFork.currentHeight, 1)
atomic.StoreUint64(&ethProFork.currentHeight, 1)
go func() { errc <- ethNoFork.runEthPeer(peerProFork, func(peer *eth.Peer) error { return nil }) }()
go func() { errc <- ethProFork.runEthPeer(peerNoFork, func(peer *eth.Peer) error { return nil }) }()
for i := 0; i < 2; i++ {
select {
case err := <-errc:
if err != nil {
t.Fatalf("homestead nofork <-> profork failed: %v", err)
}
case <-time.After(250 * time.Millisecond):
t.Fatal("homestead nofork <-> profork handler timeout")
}
}
atomic.StoreUint64(&ethNoFork.currentHeight, 2)
atomic.StoreUint64(&ethProFork.currentHeight, 2)
go func() { errc <- ethNoFork.runEthPeer(peerProFork, func(peer *eth.Peer) error { return nil }) }()
go func() { errc <- ethProFork.runEthPeer(peerNoFork, func(peer *eth.Peer) error { return nil }) }()
var successes int
for i := 0; i < 2; i++ {
select {
case err := <-errc:
if err == nil {
successes++
if successes == 2 { // Only one side disconnects
t.Fatal("fork ID rejection didn't happen")
}
}
case <-time.After(250 * time.Millisecond):
t.Fatal("split peers not rejected")
}
}
}
// Tests that received transactions are added to the local pool.
func TestRecvTransactions66(t *testing.T) { testRecvTransactions(t, eth.ETH66) }
func testRecvTransactions(t *testing.T, protocol uint) {
// Create a message handler, configure it to accept transactions and watch them
handler := newTestHandler(t)
handler.handler.acceptTxs = 1 // mark synced to accept transactions
txs := make(chan core.NewTxsEvent)
sub := handler.txpool.SubscribeNewTxsEvent(txs)
defer sub.Unsubscribe()
// Create a source peer to send messages through and a sink handler to receive them
p2pSrc, p2pSink := p2p.MsgPipe()
defer p2pSrc.Close()
defer p2pSink.Close()
src := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{1}, "", nil), p2pSrc, handler.txpool)
sink := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{2}, "", nil), p2pSink, handler.txpool)
defer src.Close()
defer sink.Close()
//nolint:errcheck
go handler.handler.runEthPeer(sink, func(peer *eth.Peer) error {
return eth.Handle((*ethHandler)(handler.handler), peer)
})
// Run the handshake locally to avoid spinning up a source handler
var (
genesis = handler.genesis
head = handler.headBlock
)
td, err := rawdb.ReadTd(handler.db, head.Hash(), head.NumberU64())
if err != nil {
t.Fatal(err)
}
if err = src.Handshake(1, td, head.Hash(), genesis.Hash(), forkid.NewID(handler.ChainConfig, genesis.Hash(), head.NumberU64()), forkid.NewFilter(handler.ChainConfig, genesis.Hash(), func() uint64 { return head.NumberU64() })); err != nil {
t.Fatalf("failed to run protocol handshake: %v", err)
}
// Send the transaction to the sink and verify that it's added to the tx pool
var tx types.Transaction = types.NewTransaction(0, common.Address{}, uint256.NewInt(), 100000, uint256.NewInt(), nil)
tx, _ = types.SignTx(tx, *types.LatestSignerForChainID(nil), testKey)
if err := src.SendTransactions([]types.Transaction{tx}); err != nil {
t.Fatalf("failed to send transaction: %v", err)
}
select {
case event := <-txs:
if len(event.Txs) != 1 {
t.Errorf("wrong number of added transactions: got %d, want 1", len(event.Txs))
} else if event.Txs[0].Hash() != tx.Hash() {
t.Errorf("added wrong tx hash: got %v, want %v", event.Txs[0].Hash(), tx.Hash())
}
case <-time.After(2 * time.Second):
t.Errorf("no NewTxsEvent received within 2 seconds")
}
}
// This test checks that pending transactions are sent.
func TestSendTransactions66(t *testing.T) { testSendTransactions(t, eth.ETH66) }
func testSendTransactions(t *testing.T, protocol uint) {
// Create a message handler and fill the pool with big transactions
handler := newTestHandler(t)
insert := make([]types.Transaction, 100)
for nonce := range insert {
var tx types.Transaction = types.NewTransaction(uint64(nonce), common.Address{}, uint256.NewInt(), 100000, uint256.NewInt(), make([]byte, txsyncPackSize/10))
tx, _ = types.SignTx(tx, *types.LatestSignerForChainID(nil), testKey)
insert[nonce] = tx
}
go handler.txpool.AddRemotes(insert) // Need goroutine to not block on feed
time.Sleep(250 * time.Millisecond) // Wait until tx events get out of the system (can't use events, tx broadcaster races with peer join)
// Create a source handler to send messages through and a sink peer to receive them
p2pSrc, p2pSink := p2p.MsgPipe()
defer p2pSrc.Close()
defer p2pSink.Close()
src := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{1}, "", nil), p2pSrc, handler.txpool)
sink := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{2}, "", nil), p2pSink, handler.txpool)
defer src.Close()
defer sink.Close()
//nolint:errcheck
go handler.handler.runEthPeer(src, func(peer *eth.Peer) error {
return eth.Handle((*ethHandler)(handler.handler), peer)
})
// Run the handshake locally to avoid spinning up a source handler
var (
genesis = handler.genesis
head = handler.headBlock
)
td, err := rawdb.ReadTd(handler.db, head.Hash(), head.NumberU64())
if err != nil {
t.Fatal(err)
}
if err = sink.Handshake(1, td, head.Hash(), genesis.Hash(), forkid.NewID(handler.ChainConfig, genesis.Hash(), head.NumberU64()), forkid.NewFilter(handler.ChainConfig, genesis.Hash(), func() uint64 { return head.NumberU64() })); err != nil {
t.Fatalf("failed to run protocol handshake: %v", err)
}
// After the handshake completes, the source handler should stream the sink
// the transactions, subscribe to all inbound network events
backend := new(testEthHandler)
anns := make(chan []common.Hash)
annSub := backend.txAnnounces.Subscribe(anns)
defer annSub.Unsubscribe()
bcasts := make(chan []*types.Transaction)
bcastSub := backend.txBroadcasts.Subscribe(bcasts)
defer bcastSub.Unsubscribe()
//nolint:errcheck
go eth.Handle(backend, sink)
// Make sure we get all the transactions on the correct channels
seen := make(map[common.Hash]struct{})
for len(seen) < len(insert) {
switch protocol {
case eth.ETH66:
select {
case hashes := <-anns:
for _, hash := range hashes {
if _, ok := seen[hash]; ok {
t.Errorf("duplicate transaction announced: %x", hash)
}
seen[hash] = struct{}{}
}
case <-bcasts:
t.Errorf("initial tx broadcast received on post eth/65")
}
default:
panic("unsupported protocol, please extend test")
}
}
for _, tx := range insert {
if _, ok := seen[tx.Hash()]; !ok {
t.Errorf("missing transaction: %x", tx.Hash())
}
}
}
// Tests that blocks are broadcast to a sqrt number of peers only.
func TestBroadcastBlock1Peer(t *testing.T) { testBroadcastBlock(t, 1, 1) }
func TestBroadcastBlock2Peers(t *testing.T) { testBroadcastBlock(t, 2, 1) }
func TestBroadcastBlock3Peers(t *testing.T) { testBroadcastBlock(t, 3, 1) }
func TestBroadcastBlock4Peers(t *testing.T) { testBroadcastBlock(t, 4, 2) }
func TestBroadcastBlock5Peers(t *testing.T) { testBroadcastBlock(t, 5, 2) }
func TestBroadcastBlock8Peers(t *testing.T) { testBroadcastBlock(t, 9, 3) }
func TestBroadcastBlock12Peers(t *testing.T) { testBroadcastBlock(t, 12, 3) }
func TestBroadcastBlock16Peers(t *testing.T) { testBroadcastBlock(t, 16, 4) }
func TestBroadcastBlock26Peers(t *testing.T) { testBroadcastBlock(t, 26, 5) }
func TestBroadcastBlock100Peers(t *testing.T) { testBroadcastBlock(t, 100, 10) }
func testBroadcastBlock(t *testing.T, peers, bcasts int) {
// Create a source handler to broadcast blocks from and a number of sinks
// to receive them.
source := newTestHandlerWithBlocks(t, 1)
sinks := make([]*testEthHandler, peers)
for i := 0; i < len(sinks); i++ {
sinks[i] = new(testEthHandler)
}
// Interconnect all the sink handlers with the source handler
var (
genesis = source.genesis
head = source.headBlock
)
td, err := rawdb.ReadTd(source.db, head.Hash(), head.NumberU64())
if err != nil {
t.Fatal(err)
}
for i, sink := range sinks {
sink := sink // Closure for gorotuine below
sourcePipe, sinkPipe := p2p.MsgPipe()
defer sourcePipe.Close()
defer sinkPipe.Close()
sourcePeer := eth.NewPeer(eth.ETH66, p2p.NewPeer(enode.ID{byte(i)}, "", nil), sourcePipe, nil)
sinkPeer := eth.NewPeer(eth.ETH66, p2p.NewPeer(enode.ID{0}, "", nil), sinkPipe, nil)
defer sourcePeer.Close()
defer sinkPeer.Close()
//nolint:errcheck
go source.handler.runEthPeer(sourcePeer, func(peer *eth.Peer) error {
return eth.Handle((*ethHandler)(source.handler), peer)
})
if err = sinkPeer.Handshake(1, td, genesis.Hash(), genesis.Hash(), forkid.NewID(source.ChainConfig, genesis.Hash(), head.NumberU64()), forkid.NewFilter(source.ChainConfig, genesis.Hash(), func() uint64 { return head.NumberU64() })); err != nil {
t.Fatalf("failed to run protocol handshake: %v", err)
}
//nolint:errcheck
go eth.Handle(sink, sinkPeer)
}
// Subscribe to all the transaction pools
blockChs := make([]chan *types.Block, len(sinks))
for i := 0; i < len(sinks); i++ {
blockChs[i] = make(chan *types.Block, 1)
defer close(blockChs[i])
sub := sinks[i].blockBroadcasts.Subscribe(blockChs[i])
defer sub.Unsubscribe()
}
// Initiate a block propagation across the peers
time.Sleep(100 * time.Millisecond)
source.handler.BroadcastBlock(rawdb.ReadCurrentBlockDeprecated(source.db), true)
// Iterate through all the sinks and ensure the correct number got the block
done := make(chan struct{}, peers)
for _, ch := range blockChs {
ch := ch
go func() {
<-ch
done <- struct{}{}
}()
}
var received int
for {
select {
case <-done:
received++
case <-time.After(100 * time.Millisecond):
if received != bcasts {
t.Errorf("broadcast count mismatch: have %d, want %d", received, bcasts)
}
return
}
}
}
func TestBroadcastMalformedBlock66(t *testing.T) { testBroadcastMalformedBlock(t, eth.ETH66) }
func testBroadcastMalformedBlock(t *testing.T, protocol uint) {
// Create a source handler to broadcast blocks from and a number of sinks
// to receive them.
source := newTestHandlerWithBlocks(t, 1)
// Create a source handler to send messages through and a sink peer to receive them
p2pSrc, p2pSink := p2p.MsgPipe()
defer p2pSrc.Close()
defer p2pSink.Close()
src := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{1}, "", nil), p2pSrc, source.txpool)
sink := eth.NewPeer(protocol, p2p.NewPeer(enode.ID{2}, "", nil), p2pSink, source.txpool)
defer src.Close()
defer sink.Close()
//nolint:errcheck
go source.handler.runEthPeer(src, func(peer *eth.Peer) error {
return eth.Handle((*ethHandler)(source.handler), peer)
})
// Run the handshake locally to avoid spinning up a sink handler
var (
genesis = source.genesis
head = source.headBlock
)
td, err := rawdb.ReadTd(source.db, head.Hash(), head.NumberU64())
if err != nil {
t.Fatal(err)
}
if err = sink.Handshake(1, td, genesis.Hash(), genesis.Hash(), forkid.NewID(source.ChainConfig, genesis.Hash(), head.NumberU64()), forkid.NewFilter(source.ChainConfig, genesis.Hash(), func() uint64 { return head.NumberU64() })); err != nil {
t.Fatalf("failed to run protocol handshake: %v", err)
}
// After the handshake completes, the source handler should stream the sink
// the blocks, subscribe to inbound network events
backend := new(testEthHandler)
blocks := make(chan *types.Block, 1)
sub := backend.blockBroadcasts.Subscribe(blocks)
defer sub.Unsubscribe()
//nolint:errcheck
go eth.Handle(backend, sink)
malformedUncles := head.Header()
malformedUncles.UncleHash[0]++
malformedTransactions := head.Header()
malformedTransactions.TxHash[0]++
malformedEverything := head.Header()
malformedEverything.UncleHash[0]++
malformedEverything.TxHash[0]++
// Try to broadcast all malformations and ensure they all get discarded
for _, header := range []*types.Header{malformedUncles, malformedTransactions, malformedEverything} {
block := types.NewBlockWithHeader(header).WithBody(head.Transactions(), head.Uncles())
if err = src.SendNewBlock(block, big.NewInt(131136)); err != nil {
t.Fatalf("failed to broadcast block: %v", err)
}
select {
case <-blocks:
t.Fatal("malformed block forwarded")
case <-time.After(100 * time.Millisecond):
}
}
}