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-rw-r--r--eth/protocol_test.go400
1 files changed, 400 insertions, 0 deletions
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
new file mode 100644
index 000000000..d3466326a
--- /dev/null
+++ b/eth/protocol_test.go
@@ -0,0 +1,400 @@
+package eth
+
+import (
+ "log"
+ "math/big"
+ "os"
+ "testing"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/core/types"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/errs"
+ ethlogger "github.com/ethereum/go-ethereum/logger"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/discover"
+)
+
+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})
+ }
+}
+
+func TestStatusMsgErrors(t *testing.T) {
+ logInit()
+ eth := newEth(t)
+ go eth.run()
+ td, currentBlock, genesis := eth.chainManager.Status()
+
+ tests := []struct {
+ code uint64
+ data interface{}
+ wantErrorCode int
+ }{
+ {
+ code: TxMsg, data: []interface{}{},
+ wantErrorCode: ErrNoStatusMsg,
+ },
+ {
+ code: StatusMsg, data: statusMsgData{10, NetworkId, td, currentBlock, genesis},
+ wantErrorCode: ErrProtocolVersionMismatch,
+ },
+ {
+ code: StatusMsg, data: statusMsgData{ProtocolVersion, 999, td, currentBlock, genesis},
+ wantErrorCode: ErrNetworkIdMismatch,
+ },
+ {
+ code: StatusMsg, data: statusMsgData{ProtocolVersion, NetworkId, td, currentBlock, common.Hash{3}},
+ wantErrorCode: ErrGenesisBlockMismatch,
+ },
+ }
+ for _, test := range tests {
+ eth.handshake(t, false)
+ // 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)
+
+ eth.reset()
+ go eth.run()
+ }
+}
+
+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, "extra")
+
+ go p2p.Send(eth, NewBlockMsg, &newBlockMsgData{Block: block})
+ timer := time.After(delay)
+
+ 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
+ }
+
+ 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 <-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, 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
+ }
+
+ 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 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), string(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)})
+ }
+ if block.Difficulty().Cmp(big.NewInt(i)) != 0 {
+ t.Errorf("incorrect block %v, expected %v", block.Difficulty(), big.NewInt(i))
+ }
+ 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)
+ }
+ b = newblock(0)
+ b.AddTransaction(nil)
+ go p2p.Send(eth, BlocksMsg, types.Blocks{b})
+ eth.checkError(ErrDecode, delay)
+
+}
+
+func TestTransactionsMsg(t *testing.T) {
+ logInit()
+ eth := newEth(t)
+ txs := make(chan *types.Transaction)
+
+ eth.txPool.addTransactions = func(t []*types.Transaction) {
+ for _, tx := range t {
+ txs <- tx
+ }
+ }
+ 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
+ tx := &types.Transaction{}
+
+ 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
+ }
+ }
+
+ go p2p.Send(eth, TxMsg, []interface{}{[]interface{}{}})
+ eth.checkError(ErrDecode, delay)
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 13:50:17 +0800