eth: add protocol tests
The protocol tests were commented out when eth/downloader was introduced.
This commit is contained in:
Felix Lange
parent
6c73a59806
commit
2c24a73e25
@ -1,388 +1,242 @@
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package eth
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/*
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TODO All of these tests need to be re-written
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import (
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"crypto/rand"
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"math/big"
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"sync"
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"testing"
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"time"
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var logsys = ethlogger.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlogger.LogLevel(ethlogger.DebugDetailLevel))
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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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/ethdb"
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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/discover"
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)
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var ini = false
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func logInit() {
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if !ini {
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ethlogger.AddLogSystem(logsys)
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ini = true
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}
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func init() {
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// glog.SetToStderr(true)
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// glog.SetV(6)
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}
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type testTxPool struct {
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getTransactions func() []*types.Transaction
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addTransactions func(txs []*types.Transaction)
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}
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type testChainManager struct {
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getBlockHashes func(hash common.Hash, amount uint64) (hashes []common.Hash)
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getBlock func(hash common.Hash) *types.Block
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status func() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash)
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}
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type testBlockPool struct {
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addBlockHashes func(next func() (common.Hash, bool), peerId string)
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addBlock func(block *types.Block, peerId string) (err error)
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addPeer func(td *big.Int, currentBlock common.Hash, peerId string, requestHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool)
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removePeer func(peerId string)
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}
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func (self *testTxPool) AddTransactions(txs []*types.Transaction) {
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if self.addTransactions != nil {
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self.addTransactions(txs)
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}
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}
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func (self *testTxPool) GetTransactions() types.Transactions { return nil }
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func (self *testChainManager) GetBlockHashesFromHash(hash common.Hash, amount uint64) (hashes []common.Hash) {
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if self.getBlockHashes != nil {
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hashes = self.getBlockHashes(hash, amount)
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}
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return
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}
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func (self *testChainManager) Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) {
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if self.status != nil {
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td, currentBlock, genesisBlock = self.status()
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} else {
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td = common.Big1
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currentBlock = common.Hash{1}
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genesisBlock = common.Hash{2}
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}
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return
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}
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func (self *testChainManager) GetBlock(hash common.Hash) (block *types.Block) {
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if self.getBlock != nil {
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block = self.getBlock(hash)
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}
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return
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}
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func (self *testBlockPool) AddBlockHashes(next func() (common.Hash, bool), peerId string) {
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if self.addBlockHashes != nil {
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self.addBlockHashes(next, peerId)
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}
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}
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func (self *testBlockPool) AddBlock(block *types.Block, peerId string) {
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if self.addBlock != nil {
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self.addBlock(block, peerId)
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}
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}
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func (self *testBlockPool) AddPeer(td *big.Int, currentBlock common.Hash, peerId string, requestBlockHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool) {
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if self.addPeer != nil {
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best, suspended = self.addPeer(td, currentBlock, peerId, requestBlockHashes, requestBlocks, peerError)
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}
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return
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}
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func (self *testBlockPool) RemovePeer(peerId string) {
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if self.removePeer != nil {
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self.removePeer(peerId)
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}
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}
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func testPeer() *p2p.Peer {
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var id discover.NodeID
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pk := crypto.GenerateNewKeyPair().PublicKey
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copy(id[:], pk)
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return p2p.NewPeer(id, "test peer", []p2p.Cap{})
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}
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type ethProtocolTester struct {
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p2p.MsgReadWriter // writing to the tester feeds the protocol
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quit chan error
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pipe *p2p.MsgPipeRW // the protocol read/writes on this end
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txPool *testTxPool // txPool
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chainManager *testChainManager // chainManager
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blockPool *testBlockPool // blockPool
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t *testing.T
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}
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func newEth(t *testing.T) *ethProtocolTester {
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p1, p2 := p2p.MsgPipe()
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return ðProtocolTester{
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MsgReadWriter: p1,
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quit: make(chan error, 1),
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pipe: p2,
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txPool: &testTxPool{},
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chainManager: &testChainManager{},
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blockPool: &testBlockPool{},
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t: t,
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}
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}
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func (self *ethProtocolTester) reset() {
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self.pipe.Close()
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p1, p2 := p2p.MsgPipe()
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self.MsgReadWriter = p1
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self.pipe = p2
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self.quit = make(chan error, 1)
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}
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func (self *ethProtocolTester) checkError(expCode int, delay time.Duration) (err error) {
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var timer = time.After(delay)
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select {
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case err = <-self.quit:
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case <-timer:
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self.t.Errorf("no error after %v, expected %v", delay, expCode)
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return
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}
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perr, ok := err.(*errs.Error)
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if ok && perr != nil {
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if code := perr.Code; code != expCode {
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self.t.Errorf("expected protocol error (code %v), got %v (%v)", expCode, code, err)
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}
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} else {
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self.t.Errorf("expected protocol error (code %v), got %v", expCode, err)
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}
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return
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}
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func (self *ethProtocolTester) run() {
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err := runEthProtocol(ProtocolVersion, NetworkId, self.txPool, self.chainManager, self.blockPool, testPeer(), self.pipe)
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self.quit <- err
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}
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func (self *ethProtocolTester) handshake(t *testing.T, mock bool) {
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td, currentBlock, genesis := self.chainManager.Status()
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// first outgoing msg should be StatusMsg.
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err := p2p.ExpectMsg(self, StatusMsg, &statusMsgData{
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ProtocolVersion: ProtocolVersion,
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NetworkId: NetworkId,
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TD: td,
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CurrentBlock: currentBlock,
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GenesisBlock: genesis,
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})
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if err != nil {
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t.Fatalf("incorrect outgoing status: %v", err)
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}
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if mock {
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go p2p.Send(self, StatusMsg, &statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, genesis})
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}
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}
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var testAccount = crypto.NewKey(rand.Reader)
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func TestStatusMsgErrors(t *testing.T) {
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logInit()
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eth := newEth(t)
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go eth.run()
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td, currentBlock, genesis := eth.chainManager.Status()
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pm := newProtocolManagerForTesting(nil)
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td, currentBlock, genesis := pm.chainman.Status()
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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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wantErrorCode int
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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: TxMsg, data: []interface{}{},
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wantErrorCode: ErrNoStatusMsg,
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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: statusMsgData{10, NetworkId, td, currentBlock, genesis},
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wantErrorCode: ErrProtocolVersionMismatch,
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wantError: errResp(ErrProtocolVersionMismatch, "10 (!= 0)"),
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},
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{
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code: StatusMsg, data: statusMsgData{ProtocolVersion, 999, td, currentBlock, genesis},
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wantErrorCode: ErrNetworkIdMismatch,
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wantError: errResp(ErrNetworkIdMismatch, "999 (!= 0)"),
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},
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{
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code: StatusMsg, data: statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, common.Hash{3}},
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wantErrorCode: ErrGenesisBlockMismatch,
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wantError: errResp(ErrGenesisBlockMismatch, "0300000000000000000000000000000000000000000000000000000000000000 (!= %x)", genesis),
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},
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}
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for _, test := range tests {
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eth.handshake(t, false)
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// the send call might hang until reset because
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for i, test := range tests {
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p, errc := newTestPeer(pm)
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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(eth, test.code, test.data)
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eth.checkError(test.wantErrorCode, 1*time.Second)
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go p2p.Send(p, test.code, test.data)
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eth.reset()
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go eth.run()
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}
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}
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func TestNewBlockMsg(t *testing.T) {
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// logInit()
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eth := newEth(t)
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var disconnected bool
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eth.blockPool.removePeer = func(peerId string) {
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disconnected = true
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}
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go eth.run()
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eth.handshake(t, true)
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err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
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if err != nil {
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t.Errorf("transactions expected, got %v", err)
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}
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var tds = make(chan *big.Int)
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eth.blockPool.addPeer = func(td *big.Int, currentBlock common.Hash, peerId string, requestHashes func(common.Hash) error, requestBlocks func([]common.Hash) error, peerError func(*errs.Error)) (best bool, suspended bool) {
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tds <- td
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return
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}
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var delay = 1 * time.Second
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// eth.reset()
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block := types.NewBlock(common.Hash{1}, common.Address{1}, common.Hash{1}, common.Big1, 1, []byte("extra"))
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go p2p.Send(eth, NewBlockMsg, &newBlockMsgData{Block: block})
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timer := time.After(delay)
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select {
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case td := <-tds:
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if td.Cmp(common.Big0) != 0 {
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t.Errorf("incorrect td %v, expected %v", td, common.Big0)
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}
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case <-timer:
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t.Errorf("no td recorded after %v", delay)
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return
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case err := <-eth.quit:
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t.Errorf("no error expected, got %v", err)
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return
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}
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go p2p.Send(eth, NewBlockMsg, &newBlockMsgData{block, common.Big2})
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timer = time.After(delay)
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select {
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case td := <-tds:
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if td.Cmp(common.Big2) != 0 {
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t.Errorf("incorrect td %v, expected %v", td, common.Big2)
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}
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case <-timer:
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t.Errorf("no td recorded after %v", delay)
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return
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case err := <-eth.quit:
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t.Errorf("no error expected, got %v", err)
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return
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}
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go p2p.Send(eth, NewBlockMsg, []interface{}{})
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// Block.DecodeRLP: validation failed: header is nil
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eth.checkError(ErrDecode, delay)
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}
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func TestBlockMsg(t *testing.T) {
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// logInit()
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eth := newEth(t)
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blocks := make(chan *types.Block)
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eth.blockPool.addBlock = func(block *types.Block, peerId string) (err error) {
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blocks <- block
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return
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}
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var disconnected bool
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eth.blockPool.removePeer = func(peerId string) {
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disconnected = true
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}
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go eth.run()
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eth.handshake(t, true)
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err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
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if err != nil {
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t.Errorf("transactions expected, got %v", err)
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}
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var delay = 3 * time.Second
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// eth.reset()
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newblock := func(i int64) *types.Block {
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return types.NewBlock(common.Hash{byte(i)}, common.Address{byte(i)}, common.Hash{byte(i)}, big.NewInt(i), uint64(i), []byte{byte(i)})
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}
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b := newblock(0)
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b.Header().Difficulty = nil // check if nil as *big.Int decodes as 0
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go p2p.Send(eth, BlocksMsg, types.Blocks{b, newblock(1), newblock(2)})
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timer := time.After(delay)
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for i := int64(0); i < 3; i++ {
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select {
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case block := <-blocks:
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if (block.ParentHash() != common.Hash{byte(i)}) {
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t.Errorf("incorrect block %v, expected %v", block.ParentHash(), common.Hash{byte(i)})
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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", 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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if block.Difficulty().Cmp(big.NewInt(i)) != 0 {
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t.Errorf("incorrect block %v, expected %v", block.Difficulty(), big.NewInt(i))
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}
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case <-timer:
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t.Errorf("no td recorded after %v", delay)
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return
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case err := <-eth.quit:
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t.Errorf("no error expected, got %v", err)
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return
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case <-time.After(2 * time.Second):
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t.Errorf("protocol did not shut down withing 2 seconds")
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}
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p.close()
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}
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go p2p.Send(eth, BlocksMsg, []interface{}{[]interface{}{}})
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eth.checkError(ErrDecode, delay)
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if !disconnected {
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t.Errorf("peer not disconnected after error")
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}
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// test empty transaction
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eth.reset()
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go eth.run()
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eth.handshake(t, true)
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err = p2p.ExpectMsg(eth, TxMsg, []interface{}{})
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if err != nil {
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t.Errorf("transactions expected, got %v", err)
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}
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b = newblock(0)
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b.AddTransaction(nil)
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go p2p.Send(eth, BlocksMsg, types.Blocks{b})
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eth.checkError(ErrDecode, delay)
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}
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func TestTransactionsMsg(t *testing.T) {
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logInit()
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eth := newEth(t)
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txs := make(chan *types.Transaction)
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// This test checks that received transactions are added to the local pool.
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func TestRecvTransactions(t *testing.T) {
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txAdded := make(chan []*types.Transaction)
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pm := newProtocolManagerForTesting(txAdded)
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p, _ := newTestPeer(pm)
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defer pm.Stop()
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defer p.close()
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p.handshake(t)
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eth.txPool.addTransactions = func(t []*types.Transaction) {
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for _, tx := range t {
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txs <- tx
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tx := newtx(testAccount, 0, 0)
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if err := p2p.Send(p, TxMsg, []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 TxPreEvent received within 2 seconds")
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}
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go eth.run()
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eth.handshake(t, true)
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err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
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if err != nil {
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t.Errorf("transactions expected, got %v", err)
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}
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var delay = 3 * time.Second
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tx := &types.Transaction{}
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go p2p.Send(eth, TxMsg, []interface{}{tx, tx})
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timer := time.After(delay)
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for i := int64(0); i < 2; i++ {
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select {
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case <-txs:
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case <-timer:
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return
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case err := <-eth.quit:
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t.Errorf("no error expected, got %v", err)
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return
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}
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}
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go p2p.Send(eth, TxMsg, []interface{}{[]interface{}{}})
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eth.checkError(ErrDecode, delay)
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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 TestSendTransactions(t *testing.T) {
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pm := newProtocolManagerForTesting(nil)
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defer pm.Stop()
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// Fill the pool with big transactions.
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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] = newtx(testAccount, uint64(nonce), txsize)
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}
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pm.txpool.AddTransactions(alltxs)
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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
|
||||
}
|
||||
for n := 0; n < len(alltxs) && !t.Failed(); {
|
||||
var txs []*types.Transaction
|
||||
msg, err := p.ReadMsg()
|
||||
if err != nil {
|
||||
t.Errorf("%v: read error: %v", p.Peer, err)
|
||||
} else if msg.Code != TxMsg {
|
||||
t.Errorf("%v: got code %d, want TxMsg", p.Peer, msg.Code)
|
||||
}
|
||||
if err := msg.Decode(&txs); err != nil {
|
||||
t.Errorf("%v: %v", p.Peer, err)
|
||||
}
|
||||
for _, tx := range txs {
|
||||
hash := tx.Hash()
|
||||
seentx, want := seen[hash]
|
||||
if seentx {
|
||||
t.Errorf("%v: got tx more than once: %x", p.Peer, hash)
|
||||
}
|
||||
if !want {
|
||||
t.Errorf("%v: got unexpected tx: %x", p.Peer, hash)
|
||||
}
|
||||
seen[hash] = true
|
||||
n++
|
||||
}
|
||||
}
|
||||
}
|
||||
for i := 0; i < 3; i++ {
|
||||
p, _ := newTestPeer(pm)
|
||||
p.handshake(t)
|
||||
wg.Add(1)
|
||||
go checktxs(p)
|
||||
}
|
||||
wg.Wait()
|
||||
}
|
||||
|
||||
// testPeer wraps all peer-related data for tests.
|
||||
type testPeer struct {
|
||||
p2p.MsgReadWriter // writing to the test peer feeds the protocol
|
||||
pipe *p2p.MsgPipeRW // the protocol read/writes on this end
|
||||
pm *ProtocolManager
|
||||
*peer
|
||||
}
|
||||
|
||||
func newProtocolManagerForTesting(txAdded chan<- []*types.Transaction) *ProtocolManager {
|
||||
var (
|
||||
em = new(event.TypeMux)
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
chain, _ = core.NewChainManager(core.GenesisBlock(0, db), db, db, core.FakePow{}, em)
|
||||
txpool = &fakeTxPool{added: txAdded}
|
||||
dl = downloader.New(em, chain.HasBlock, chain.GetBlock)
|
||||
pm = NewProtocolManager(ProtocolVersion, 0, em, txpool, chain, dl)
|
||||
)
|
||||
pm.Start()
|
||||
return pm
|
||||
}
|
||||
|
||||
func newTestPeer(pm *ProtocolManager) (*testPeer, <-chan error) {
|
||||
var id discover.NodeID
|
||||
rand.Read(id[:])
|
||||
rw1, rw2 := p2p.MsgPipe()
|
||||
peer := pm.newPeer(pm.protVer, pm.netId, p2p.NewPeer(id, "test peer", nil), rw2)
|
||||
errc := make(chan error, 1)
|
||||
go func() {
|
||||
pm.newPeerCh <- peer
|
||||
errc <- pm.handle(peer)
|
||||
}()
|
||||
return &testPeer{rw1, rw2, pm, peer}, errc
|
||||
}
|
||||
|
||||
func (p *testPeer) handshake(t *testing.T) {
|
||||
td, currentBlock, genesis := p.pm.chainman.Status()
|
||||
msg := &statusMsgData{
|
||||
ProtocolVersion: uint32(p.pm.protVer),
|
||||
NetworkId: uint32(p.pm.netId),
|
||||
TD: td,
|
||||
CurrentBlock: currentBlock,
|
||||
GenesisBlock: genesis,
|
||||
}
|
||||
if err := p2p.ExpectMsg(p, StatusMsg, msg); err != nil {
|
||||
t.Fatalf("status recv: %v", err)
|
||||
}
|
||||
if err := p2p.Send(p, StatusMsg, msg); err != nil {
|
||||
t.Fatalf("status send: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func (p *testPeer) close() {
|
||||
p.pipe.Close()
|
||||
}
|
||||
|
||||
type fakeTxPool struct {
|
||||
// all transactions are collected.
|
||||
mu sync.Mutex
|
||||
all []*types.Transaction
|
||||
// if added is non-nil, it receives added transactions.
|
||||
added chan<- []*types.Transaction
|
||||
}
|
||||
|
||||
func (pool *fakeTxPool) AddTransactions(txs []*types.Transaction) {
|
||||
pool.mu.Lock()
|
||||
defer pool.mu.Unlock()
|
||||
pool.all = append(pool.all, txs...)
|
||||
if pool.added != nil {
|
||||
pool.added <- txs
|
||||
}
|
||||
}
|
||||
|
||||
func (pool *fakeTxPool) GetTransactions() types.Transactions {
|
||||
pool.mu.Lock()
|
||||
defer pool.mu.Unlock()
|
||||
txs := make([]*types.Transaction, len(pool.all))
|
||||
copy(txs, pool.all)
|
||||
return types.Transactions(txs)
|
||||
}
|
||||
|
||||
func newtx(from *crypto.Key, nonce uint64, datasize int) *types.Transaction {
|
||||
data := make([]byte, datasize)
|
||||
tx := types.NewTransactionMessage(common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), data)
|
||||
tx.SetNonce(nonce)
|
||||
return tx
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user