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authorFelix Lange <fjl@twurst.com>2015-06-09 18:10:19 +0800
committerFelix Lange <fjl@twurst.com>2015-06-09 23:07:10 +0800
commit2c24a73e253a0b0c205406c7dc9fc4b8a7d97e86 (patch)
tree639ccb80edd674e06d4568b9a7659027256d45e7
parent6c73a5980640581903d8f56b3912b22641d5195c (diff)
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eth: add protocol tests
The protocol tests were commented out when eth/downloader was introduced.
-rw-r--r--eth/protocol_test.go526
1 files changed, 190 insertions, 336 deletions
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
index d44f66b89..bbea9fc11 100644
--- a/eth/protocol_test.go
+++ b/eth/protocol_test.go
@@ -1,388 +1,242 @@
package eth
-/*
-TODO All of these tests need to be re-written
-
-var logsys = ethlogger.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlogger.LogLevel(ethlogger.DebugDetailLevel))
-
-var ini = false
-
-func logInit() {
- if !ini {
- ethlogger.AddLogSystem(logsys)
- ini = true
- }
-}
-
-type testTxPool struct {
- getTransactions func() []*types.Transaction
- addTransactions func(txs []*types.Transaction)
-}
-
-type testChainManager struct {
- getBlockHashes func(hash common.Hash, amount uint64) (hashes []common.Hash)
- getBlock func(hash common.Hash) *types.Block
- status func() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash)
-}
-
-type testBlockPool struct {
- addBlockHashes func(next func() (common.Hash, bool), peerId string)
- addBlock func(block *types.Block, peerId string) (err error)
- 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)
- removePeer func(peerId string)
-}
-
-func (self *testTxPool) AddTransactions(txs []*types.Transaction) {
- if self.addTransactions != nil {
- self.addTransactions(txs)
- }
-}
-
-func (self *testTxPool) GetTransactions() types.Transactions { return nil }
-
-func (self *testChainManager) GetBlockHashesFromHash(hash common.Hash, amount uint64) (hashes []common.Hash) {
- if self.getBlockHashes != nil {
- hashes = self.getBlockHashes(hash, amount)
- }
- return
-}
-
-func (self *testChainManager) Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) {
- if self.status != nil {
- td, currentBlock, genesisBlock = self.status()
- } else {
- td = common.Big1
- currentBlock = common.Hash{1}
- genesisBlock = common.Hash{2}
- }
- return
-}
-
-func (self *testChainManager) GetBlock(hash common.Hash) (block *types.Block) {
- if self.getBlock != nil {
- block = self.getBlock(hash)
- }
- return
-}
-
-func (self *testBlockPool) AddBlockHashes(next func() (common.Hash, bool), peerId string) {
- if self.addBlockHashes != nil {
- self.addBlockHashes(next, peerId)
- }
-}
-
-func (self *testBlockPool) AddBlock(block *types.Block, peerId string) {
- if self.addBlock != nil {
- self.addBlock(block, peerId)
- }
-}
-
-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) {
- if self.addPeer != nil {
- best, suspended = self.addPeer(td, currentBlock, peerId, requestBlockHashes, requestBlocks, peerError)
- }
- return
-}
-
-func (self *testBlockPool) RemovePeer(peerId string) {
- if self.removePeer != nil {
- self.removePeer(peerId)
- }
-}
-
-func testPeer() *p2p.Peer {
- var id discover.NodeID
- pk := crypto.GenerateNewKeyPair().PublicKey
- copy(id[:], pk)
- return p2p.NewPeer(id, "test peer", []p2p.Cap{})
-}
-
-type ethProtocolTester struct {
- p2p.MsgReadWriter // writing to the tester feeds the protocol
-
- quit chan error
- pipe *p2p.MsgPipeRW // the protocol read/writes on this end
- txPool *testTxPool // txPool
- chainManager *testChainManager // chainManager
- blockPool *testBlockPool // blockPool
- t *testing.T
-}
-
-func newEth(t *testing.T) *ethProtocolTester {
- p1, p2 := p2p.MsgPipe()
- return &ethProtocolTester{
- MsgReadWriter: p1,
- quit: make(chan error, 1),
- pipe: p2,
- txPool: &testTxPool{},
- chainManager: &testChainManager{},
- blockPool: &testBlockPool{},
- t: t,
- }
-}
-
-func (self *ethProtocolTester) reset() {
- self.pipe.Close()
-
- p1, p2 := p2p.MsgPipe()
- self.MsgReadWriter = p1
- self.pipe = p2
- self.quit = make(chan error, 1)
-}
-
-func (self *ethProtocolTester) checkError(expCode int, delay time.Duration) (err error) {
- var timer = time.After(delay)
- select {
- case err = <-self.quit:
- case <-timer:
- self.t.Errorf("no error after %v, expected %v", delay, expCode)
- return
- }
- perr, ok := err.(*errs.Error)
- if ok && perr != nil {
- if code := perr.Code; code != expCode {
- self.t.Errorf("expected protocol error (code %v), got %v (%v)", expCode, code, err)
- }
- } else {
- self.t.Errorf("expected protocol error (code %v), got %v", expCode, err)
- }
- return
-}
-
-func (self *ethProtocolTester) run() {
- err := runEthProtocol(ProtocolVersion, NetworkId, self.txPool, self.chainManager, self.blockPool, testPeer(), self.pipe)
- self.quit <- err
-}
-
-func (self *ethProtocolTester) handshake(t *testing.T, mock bool) {
- td, currentBlock, genesis := self.chainManager.Status()
- // first outgoing msg should be StatusMsg.
- err := p2p.ExpectMsg(self, StatusMsg, &statusMsgData{
- ProtocolVersion: ProtocolVersion,
- NetworkId: NetworkId,
- TD: td,
- CurrentBlock: currentBlock,
- GenesisBlock: genesis,
- })
- if err != nil {
- t.Fatalf("incorrect outgoing status: %v", err)
- }
- if mock {
- go p2p.Send(self, StatusMsg, &statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, genesis})
- }
-}
+import (
+ "crypto/rand"
+ "math/big"
+ "sync"
+ "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"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/discover"
+)
+
+func init() {
+ // glog.SetToStderr(true)
+ // glog.SetV(6)
+}
+
+var testAccount = crypto.NewKey(rand.Reader)
func TestStatusMsgErrors(t *testing.T) {
- logInit()
- eth := newEth(t)
- go eth.run()
- td, currentBlock, genesis := eth.chainManager.Status()
+ pm := newProtocolManagerForTesting(nil)
+ td, currentBlock, genesis := pm.chainman.Status()
+ defer pm.Stop()
tests := []struct {
- code uint64
- data interface{}
- wantErrorCode int
+ code uint64
+ data interface{}
+ wantError error
}{
{
code: TxMsg, data: []interface{}{},
- wantErrorCode: ErrNoStatusMsg,
+ wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
},
{
code: StatusMsg, data: statusMsgData{10, NetworkId, td, currentBlock, genesis},
- wantErrorCode: ErrProtocolVersionMismatch,
+ wantError: errResp(ErrProtocolVersionMismatch, "10 (!= 0)"),
},
{
code: StatusMsg, data: statusMsgData{ProtocolVersion, 999, td, currentBlock, genesis},
- wantErrorCode: ErrNetworkIdMismatch,
+ wantError: errResp(ErrNetworkIdMismatch, "999 (!= 0)"),
},
{
code: StatusMsg, data: statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, common.Hash{3}},
- wantErrorCode: ErrGenesisBlockMismatch,
+ wantError: errResp(ErrGenesisBlockMismatch, "0300000000000000000000000000000000000000000000000000000000000000 (!= %x)", genesis),
},
}
- for _, test := range tests {
- eth.handshake(t, false)
- // the send call might hang until reset because
+
+ for i, test := range tests {
+ p, errc := newTestPeer(pm)
+ // The send call might hang until reset because
// the protocol might not read the payload.
- go p2p.Send(eth, test.code, test.data)
- eth.checkError(test.wantErrorCode, 1*time.Second)
+ go p2p.Send(p, test.code, test.data)
- eth.reset()
- go eth.run()
+ select {
+ case err := <-errc:
+ if err == nil {
+ t.Errorf("test %d: protocol returned nil error, want %q", test.wantError)
+ } else if err.Error() != test.wantError.Error() {
+ t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
+ }
+ case <-time.After(2 * time.Second):
+ t.Errorf("protocol did not shut down withing 2 seconds")
+ }
+ p.close()
}
}
-func TestNewBlockMsg(t *testing.T) {
- // logInit()
- eth := newEth(t)
-
- var disconnected bool
- eth.blockPool.removePeer = func(peerId string) {
- disconnected = true
- }
-
- go eth.run()
-
- eth.handshake(t, true)
- err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
- if err != nil {
- t.Errorf("transactions expected, got %v", err)
- }
-
- var tds = make(chan *big.Int)
- 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) {
- tds <- td
- return
- }
-
- var delay = 1 * time.Second
- // eth.reset()
- block := types.NewBlock(common.Hash{1}, common.Address{1}, common.Hash{1}, common.Big1, 1, []byte("extra"))
-
- go p2p.Send(eth, NewBlockMsg, &newBlockMsgData{Block: block})
- timer := time.After(delay)
+// This test checks that received transactions are added to the local pool.
+func TestRecvTransactions(t *testing.T) {
+ txAdded := make(chan []*types.Transaction)
+ pm := newProtocolManagerForTesting(txAdded)
+ p, _ := newTestPeer(pm)
+ defer pm.Stop()
+ defer p.close()
+ p.handshake(t)
- select {
- case td := <-tds:
- if td.Cmp(common.Big0) != 0 {
- t.Errorf("incorrect td %v, expected %v", td, common.Big0)
- }
- case <-timer:
- t.Errorf("no td recorded after %v", delay)
- return
- case err := <-eth.quit:
- t.Errorf("no error expected, got %v", err)
- return
+ tx := newtx(testAccount, 0, 0)
+ if err := p2p.Send(p, TxMsg, []interface{}{tx}); err != nil {
+ t.Fatalf("send error: %v", err)
}
-
- go p2p.Send(eth, NewBlockMsg, &newBlockMsgData{block, common.Big2})
- timer = time.After(delay)
-
select {
- case td := <-tds:
- if td.Cmp(common.Big2) != 0 {
- t.Errorf("incorrect td %v, expected %v", td, common.Big2)
+ case added := <-txAdded:
+ if len(added) != 1 {
+ t.Errorf("wrong number of added transactions: got %d, want 1", len(added))
+ } else if added[0].Hash() != tx.Hash() {
+ t.Errorf("added wrong tx hash: got %v, want %v", added[0].Hash(), tx.Hash())
}
- case <-timer:
- t.Errorf("no td recorded after %v", delay)
- return
- case err := <-eth.quit:
- t.Errorf("no error expected, got %v", err)
- return
+ case <-time.After(2 * time.Second):
+ t.Errorf("no TxPreEvent received within 2 seconds")
}
-
- go p2p.Send(eth, NewBlockMsg, []interface{}{})
- // Block.DecodeRLP: validation failed: header is nil
- eth.checkError(ErrDecode, delay)
-
}
-func TestBlockMsg(t *testing.T) {
- // logInit()
- eth := newEth(t)
- blocks := make(chan *types.Block)
- eth.blockPool.addBlock = func(block *types.Block, peerId string) (err error) {
- blocks <- block
- return
- }
+// This test checks that pending transactions are sent.
+func TestSendTransactions(t *testing.T) {
+ pm := newProtocolManagerForTesting(nil)
+ defer pm.Stop()
- var disconnected bool
- eth.blockPool.removePeer = func(peerId string) {
- disconnected = true
+ // Fill the pool with big transactions.
+ const txsize = txsyncPackSize / 10
+ alltxs := make([]*types.Transaction, 100)
+ for nonce := range alltxs {
+ alltxs[nonce] = newtx(testAccount, uint64(nonce), txsize)
}
+ pm.txpool.AddTransactions(alltxs)
- go eth.run()
-
- eth.handshake(t, true)
- err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
- if err != nil {
- t.Errorf("transactions expected, got %v", err)
- }
-
- var delay = 3 * time.Second
- // eth.reset()
- newblock := func(i int64) *types.Block {
- return types.NewBlock(common.Hash{byte(i)}, common.Address{byte(i)}, common.Hash{byte(i)}, big.NewInt(i), uint64(i), []byte{byte(i)})
- }
- b := newblock(0)
- b.Header().Difficulty = nil // check if nil as *big.Int decodes as 0
- go p2p.Send(eth, BlocksMsg, types.Blocks{b, newblock(1), newblock(2)})
- timer := time.After(delay)
- for i := int64(0); i < 3; i++ {
- select {
- case block := <-blocks:
- if (block.ParentHash() != common.Hash{byte(i)}) {
- t.Errorf("incorrect block %v, expected %v", block.ParentHash(), common.Hash{byte(i)})
+ // Connect several peers. They should all receive the pending transactions.
+ var wg sync.WaitGroup
+ checktxs := func(p *testPeer) {
+ defer wg.Done()
+ defer p.close()
+ seen := make(map[common.Hash]bool)
+ for _, tx := range alltxs {
+ 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)
}
- if block.Difficulty().Cmp(big.NewInt(i)) != 0 {
- t.Errorf("incorrect block %v, expected %v", block.Difficulty(), big.NewInt(i))
+ 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++
}
- case <-timer:
- t.Errorf("no td recorded after %v", delay)
- return
- case err := <-eth.quit:
- t.Errorf("no error expected, got %v", err)
- return
}
}
-
- go p2p.Send(eth, BlocksMsg, []interface{}{[]interface{}{}})
- eth.checkError(ErrDecode, delay)
- if !disconnected {
- t.Errorf("peer not disconnected after error")
- }
-
- // test empty transaction
- eth.reset()
- go eth.run()
- eth.handshake(t, true)
- err = p2p.ExpectMsg(eth, TxMsg, []interface{}{})
- if err != nil {
- t.Errorf("transactions expected, got %v", err)
+ for i := 0; i < 3; i++ {
+ p, _ := newTestPeer(pm)
+ p.handshake(t)
+ wg.Add(1)
+ go checktxs(p)
}
- b = newblock(0)
- b.AddTransaction(nil)
- go p2p.Send(eth, BlocksMsg, types.Blocks{b})
- eth.checkError(ErrDecode, delay)
+ 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 TestTransactionsMsg(t *testing.T) {
- logInit()
- eth := newEth(t)
- txs := make(chan *types.Transaction)
+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
+}
- eth.txPool.addTransactions = func(t []*types.Transaction) {
- for _, tx := range t {
- txs <- tx
- }
+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,
}
- go eth.run()
-
- eth.handshake(t, true)
- err := p2p.ExpectMsg(eth, TxMsg, []interface{}{})
- if err != nil {
- t.Errorf("transactions expected, got %v", err)
+ 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)
+ }
+}
- var delay = 3 * time.Second
- tx := &types.Transaction{}
+func (p *testPeer) close() {
+ p.pipe.Close()
+}
- go p2p.Send(eth, TxMsg, []interface{}{tx, tx})
- timer := time.After(delay)
- for i := int64(0); i < 2; i++ {
- select {
- case <-txs:
- case <-timer:
- return
- case err := <-eth.quit:
- t.Errorf("no error expected, got %v", err)
- return
- }
+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
}
+}
- go p2p.Send(eth, TxMsg, []interface{}{[]interface{}{}})
- eth.checkError(ErrDecode, delay)
+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
}
-*/