460 lines
16 KiB
Go
460 lines
16 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"fmt"
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"math/big"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/forkid"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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func init() {
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// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(false))))
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}
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var testAccount, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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// Tests that handshake failures are detected and reported correctly.
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func TestStatusMsgErrors63(t *testing.T) {
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
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var (
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genesis = pm.blockchain.Genesis()
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head = pm.blockchain.CurrentHeader()
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td = pm.blockchain.GetTd(head.Hash(), head.Number.Uint64())
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)
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defer pm.Stop()
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tests := []struct {
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code uint64
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data interface{}
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wantError error
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}{
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{
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code: TransactionMsg, data: []interface{}{},
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wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
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},
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{
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code: StatusMsg, data: statusData63{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash()},
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wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", 63),
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},
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{
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code: StatusMsg, data: statusData63{63, 999, td, head.Hash(), genesis.Hash()},
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wantError: errResp(ErrNetworkIDMismatch, "999 (!= %d)", DefaultConfig.NetworkId),
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},
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{
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code: StatusMsg, data: statusData63{63, DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}},
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wantError: errResp(ErrGenesisMismatch, "0300000000000000 (!= %x)", genesis.Hash().Bytes()[:8]),
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},
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}
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for i, test := range tests {
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p, errc := newTestPeer("peer", 63, pm, false)
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// The send call might hang until reset because
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// the protocol might not read the payload.
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go p2p.Send(p.app, test.code, test.data)
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select {
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case err := <-errc:
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if err == nil {
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t.Errorf("test %d: protocol returned nil error, want %q", i, test.wantError)
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} else if err.Error() != test.wantError.Error() {
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t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
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}
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case <-time.After(2 * time.Second):
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t.Errorf("protocol did not shut down within 2 seconds")
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}
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p.close()
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}
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}
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func TestStatusMsgErrors64(t *testing.T) {
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
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var (
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genesis = pm.blockchain.Genesis()
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head = pm.blockchain.CurrentHeader()
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td = pm.blockchain.GetTd(head.Hash(), head.Number.Uint64())
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forkID = forkid.NewID(pm.blockchain)
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)
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defer pm.Stop()
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tests := []struct {
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code uint64
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data interface{}
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wantError error
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}{
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{
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code: TransactionMsg, data: []interface{}{},
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wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
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},
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{
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code: StatusMsg, data: statusData{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash(), forkID},
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wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", 64),
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},
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{
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code: StatusMsg, data: statusData{64, 999, td, head.Hash(), genesis.Hash(), forkID},
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wantError: errResp(ErrNetworkIDMismatch, "999 (!= %d)", DefaultConfig.NetworkId),
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},
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{
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code: StatusMsg, data: statusData{64, DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}, forkID},
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wantError: errResp(ErrGenesisMismatch, "0300000000000000000000000000000000000000000000000000000000000000 (!= %x)", genesis.Hash()),
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},
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{
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code: StatusMsg, data: statusData{64, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash(), forkid.ID{Hash: [4]byte{0x00, 0x01, 0x02, 0x03}}},
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wantError: errResp(ErrForkIDRejected, forkid.ErrLocalIncompatibleOrStale.Error()),
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},
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}
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for i, test := range tests {
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p, errc := newTestPeer("peer", 64, pm, false)
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// The send call might hang until reset because
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// the protocol might not read the payload.
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go p2p.Send(p.app, test.code, test.data)
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select {
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case err := <-errc:
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if err == nil {
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t.Errorf("test %d: protocol returned nil error, want %q", i, test.wantError)
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} else if err.Error() != test.wantError.Error() {
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t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
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}
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case <-time.After(2 * time.Second):
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t.Errorf("protocol did not shut down within 2 seconds")
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}
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p.close()
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}
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}
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func TestForkIDSplit(t *testing.T) {
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var (
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engine = ethash.NewFaker()
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configNoFork = ¶ms.ChainConfig{HomesteadBlock: big.NewInt(1)}
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configProFork = ¶ms.ChainConfig{
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HomesteadBlock: big.NewInt(1),
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EIP150Block: big.NewInt(2),
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EIP155Block: big.NewInt(2),
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EIP158Block: big.NewInt(2),
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ByzantiumBlock: big.NewInt(3),
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}
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dbNoFork = rawdb.NewMemoryDatabase()
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dbProFork = rawdb.NewMemoryDatabase()
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gspecNoFork = &core.Genesis{Config: configNoFork}
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gspecProFork = &core.Genesis{Config: configProFork}
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genesisNoFork = gspecNoFork.MustCommit(dbNoFork)
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genesisProFork = gspecProFork.MustCommit(dbProFork)
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chainNoFork, _ = core.NewBlockChain(dbNoFork, nil, configNoFork, engine, vm.Config{}, nil)
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chainProFork, _ = core.NewBlockChain(dbProFork, nil, configProFork, engine, vm.Config{}, nil)
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blocksNoFork, _ = core.GenerateChain(configNoFork, genesisNoFork, engine, dbNoFork, 2, nil)
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blocksProFork, _ = core.GenerateChain(configProFork, genesisProFork, engine, dbProFork, 2, nil)
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ethNoFork, _ = NewProtocolManager(configNoFork, nil, downloader.FullSync, 1, new(event.TypeMux), &testTxPool{pool: make(map[common.Hash]*types.Transaction)}, engine, chainNoFork, dbNoFork, 1, nil)
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ethProFork, _ = NewProtocolManager(configProFork, nil, downloader.FullSync, 1, new(event.TypeMux), &testTxPool{pool: make(map[common.Hash]*types.Transaction)}, engine, chainProFork, dbProFork, 1, nil)
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)
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ethNoFork.Start(1000)
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ethProFork.Start(1000)
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// Both nodes should allow the other to connect (same genesis, next fork is the same)
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p2pNoFork, p2pProFork := p2p.MsgPipe()
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peerNoFork := newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork, nil)
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peerProFork := newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork, nil)
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errc := make(chan error, 2)
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go func() { errc <- ethNoFork.handle(peerProFork) }()
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go func() { errc <- ethProFork.handle(peerNoFork) }()
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select {
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case err := <-errc:
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t.Fatalf("frontier nofork <-> profork failed: %v", err)
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case <-time.After(250 * time.Millisecond):
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p2pNoFork.Close()
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p2pProFork.Close()
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}
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// Progress into Homestead. Fork's match, so we don't care what the future holds
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chainNoFork.InsertChain(blocksNoFork[:1])
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chainProFork.InsertChain(blocksProFork[:1])
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p2pNoFork, p2pProFork = p2p.MsgPipe()
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peerNoFork = newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork, nil)
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peerProFork = newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork, nil)
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errc = make(chan error, 2)
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go func() { errc <- ethNoFork.handle(peerProFork) }()
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go func() { errc <- ethProFork.handle(peerNoFork) }()
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select {
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case err := <-errc:
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t.Fatalf("homestead nofork <-> profork failed: %v", err)
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case <-time.After(250 * time.Millisecond):
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p2pNoFork.Close()
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p2pProFork.Close()
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}
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// Progress into Spurious. Forks mismatch, signalling differing chains, reject
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chainNoFork.InsertChain(blocksNoFork[1:2])
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chainProFork.InsertChain(blocksProFork[1:2])
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p2pNoFork, p2pProFork = p2p.MsgPipe()
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peerNoFork = newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork, nil)
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peerProFork = newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork, nil)
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errc = make(chan error, 2)
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go func() { errc <- ethNoFork.handle(peerProFork) }()
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go func() { errc <- ethProFork.handle(peerNoFork) }()
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select {
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case err := <-errc:
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if want := errResp(ErrForkIDRejected, forkid.ErrLocalIncompatibleOrStale.Error()); err.Error() != want.Error() {
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t.Fatalf("fork ID rejection error mismatch: have %v, want %v", err, want)
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}
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case <-time.After(250 * time.Millisecond):
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t.Fatalf("split peers not rejected")
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}
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}
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// This test checks that received transactions are added to the local pool.
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func TestRecvTransactions63(t *testing.T) { testRecvTransactions(t, 63) }
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func TestRecvTransactions64(t *testing.T) { testRecvTransactions(t, 64) }
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func TestRecvTransactions65(t *testing.T) { testRecvTransactions(t, 65) }
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func testRecvTransactions(t *testing.T, protocol int) {
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txAdded := make(chan []*types.Transaction)
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, txAdded)
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pm.acceptTxs = 1 // mark synced to accept transactions
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p, _ := newTestPeer("peer", protocol, pm, true)
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defer pm.Stop()
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defer p.close()
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tx := newTestTransaction(testAccount, 0, 0)
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if err := p2p.Send(p.app, TransactionMsg, []interface{}{tx}); err != nil {
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t.Fatalf("send error: %v", err)
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}
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select {
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case added := <-txAdded:
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if len(added) != 1 {
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t.Errorf("wrong number of added transactions: got %d, want 1", len(added))
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} else if added[0].Hash() != tx.Hash() {
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t.Errorf("added wrong tx hash: got %v, want %v", added[0].Hash(), tx.Hash())
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}
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case <-time.After(2 * time.Second):
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t.Errorf("no NewTxsEvent received within 2 seconds")
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}
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}
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// This test checks that pending transactions are sent.
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func TestSendTransactions63(t *testing.T) { testSendTransactions(t, 63) }
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func TestSendTransactions64(t *testing.T) { testSendTransactions(t, 64) }
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func TestSendTransactions65(t *testing.T) { testSendTransactions(t, 65) }
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func testSendTransactions(t *testing.T, protocol int) {
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
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defer pm.Stop()
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// Fill the pool with big transactions (use a subscription to wait until all
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// the transactions are announced to avoid spurious events causing extra
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// broadcasts).
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const txsize = txsyncPackSize / 10
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alltxs := make([]*types.Transaction, 100)
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for nonce := range alltxs {
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alltxs[nonce] = newTestTransaction(testAccount, uint64(nonce), txsize)
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}
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pm.txpool.AddRemotes(alltxs)
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time.Sleep(100 * time.Millisecond) // Wait until new tx even gets out of the system (lame)
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// Connect several peers. They should all receive the pending transactions.
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var wg sync.WaitGroup
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checktxs := func(p *testPeer) {
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defer wg.Done()
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defer p.close()
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seen := make(map[common.Hash]bool)
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for _, tx := range alltxs {
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seen[tx.Hash()] = false
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}
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for n := 0; n < len(alltxs) && !t.Failed(); {
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var forAllHashes func(callback func(hash common.Hash))
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switch protocol {
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case 63:
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fallthrough
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case 64:
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msg, err := p.app.ReadMsg()
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if err != nil {
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t.Errorf("%v: read error: %v", p.Peer, err)
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continue
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} else if msg.Code != TransactionMsg {
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t.Errorf("%v: got code %d, want TxMsg", p.Peer, msg.Code)
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continue
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}
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var txs []*types.Transaction
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if err := msg.Decode(&txs); err != nil {
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t.Errorf("%v: %v", p.Peer, err)
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continue
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}
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forAllHashes = func(callback func(hash common.Hash)) {
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for _, tx := range txs {
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callback(tx.Hash())
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}
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}
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case 65:
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msg, err := p.app.ReadMsg()
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if err != nil {
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t.Errorf("%v: read error: %v", p.Peer, err)
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continue
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} else if msg.Code != NewPooledTransactionHashesMsg {
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t.Errorf("%v: got code %d, want NewPooledTransactionHashesMsg", p.Peer, msg.Code)
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continue
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}
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var hashes []common.Hash
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if err := msg.Decode(&hashes); err != nil {
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t.Errorf("%v: %v", p.Peer, err)
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continue
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}
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forAllHashes = func(callback func(hash common.Hash)) {
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for _, h := range hashes {
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callback(h)
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}
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}
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}
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forAllHashes(func(hash common.Hash) {
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seentx, want := seen[hash]
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if seentx {
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t.Errorf("%v: got tx more than once: %x", p.Peer, hash)
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}
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if !want {
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t.Errorf("%v: got unexpected tx: %x", p.Peer, hash)
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}
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seen[hash] = true
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n++
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})
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}
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}
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for i := 0; i < 3; i++ {
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p, _ := newTestPeer(fmt.Sprintf("peer #%d", i), protocol, pm, true)
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wg.Add(1)
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go checktxs(p)
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}
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wg.Wait()
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}
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func TestTransactionPropagation(t *testing.T) { testSyncTransaction(t, true) }
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func TestTransactionAnnouncement(t *testing.T) { testSyncTransaction(t, false) }
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func testSyncTransaction(t *testing.T, propagtion bool) {
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// Create a protocol manager for transaction fetcher and sender
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pmFetcher, _ := newTestProtocolManagerMust(t, downloader.FastSync, 0, nil, nil)
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defer pmFetcher.Stop()
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pmSender, _ := newTestProtocolManagerMust(t, downloader.FastSync, 1024, nil, nil)
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pmSender.broadcastTxAnnouncesOnly = !propagtion
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defer pmSender.Stop()
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// Sync up the two peers
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io1, io2 := p2p.MsgPipe()
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go pmSender.handle(pmSender.newPeer(65, p2p.NewPeer(enode.ID{}, "sender", nil), io2, pmSender.txpool.Get))
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go pmFetcher.handle(pmFetcher.newPeer(65, p2p.NewPeer(enode.ID{}, "fetcher", nil), io1, pmFetcher.txpool.Get))
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time.Sleep(250 * time.Millisecond)
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pmFetcher.synchronise(pmFetcher.peers.BestPeer())
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atomic.StoreUint32(&pmFetcher.acceptTxs, 1)
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newTxs := make(chan core.NewTxsEvent, 1024)
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sub := pmFetcher.txpool.SubscribeNewTxsEvent(newTxs)
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defer sub.Unsubscribe()
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// Fill the pool with new transactions
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alltxs := make([]*types.Transaction, 1024)
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for nonce := range alltxs {
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alltxs[nonce] = newTestTransaction(testAccount, uint64(nonce), 0)
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}
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pmSender.txpool.AddRemotes(alltxs)
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var got int
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loop:
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for {
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select {
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case ev := <-newTxs:
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got += len(ev.Txs)
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if got == 1024 {
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break loop
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}
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case <-time.NewTimer(time.Second).C:
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t.Fatal("Failed to retrieve all transaction")
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}
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}
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}
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// Tests that the custom union field encoder and decoder works correctly.
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func TestGetBlockHeadersDataEncodeDecode(t *testing.T) {
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// Create a "random" hash for testing
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var hash common.Hash
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for i := range hash {
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hash[i] = byte(i)
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}
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// Assemble some table driven tests
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tests := []struct {
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packet *getBlockHeadersData
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fail bool
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}{
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// Providing the origin as either a hash or a number should both work
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}}},
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}}},
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// Providing arbitrary query field should also work
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}, Amount: 314, Skip: 1, Reverse: true}},
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}, Amount: 314, Skip: 1, Reverse: true}},
|
|
|
|
// Providing both the origin hash and origin number must fail
|
|
{fail: true, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash, Number: 314}}},
|
|
}
|
|
// Iterate over each of the tests and try to encode and then decode
|
|
for i, tt := range tests {
|
|
bytes, err := rlp.EncodeToBytes(tt.packet)
|
|
if err != nil && !tt.fail {
|
|
t.Fatalf("test %d: failed to encode packet: %v", i, err)
|
|
} else if err == nil && tt.fail {
|
|
t.Fatalf("test %d: encode should have failed", i)
|
|
}
|
|
if !tt.fail {
|
|
packet := new(getBlockHeadersData)
|
|
if err := rlp.DecodeBytes(bytes, packet); err != nil {
|
|
t.Fatalf("test %d: failed to decode packet: %v", i, err)
|
|
}
|
|
if packet.Origin.Hash != tt.packet.Origin.Hash || packet.Origin.Number != tt.packet.Origin.Number || packet.Amount != tt.packet.Amount ||
|
|
packet.Skip != tt.packet.Skip || packet.Reverse != tt.packet.Reverse {
|
|
t.Fatalf("test %d: encode decode mismatch: have %+v, want %+v", i, packet, tt.packet)
|
|
}
|
|
}
|
|
}
|
|
}
|