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208 lines
6.3 KiB
208 lines
6.3 KiB
package blockchain
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import (
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"net"
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"testing"
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cmn "github.com/tendermint/tmlibs/common"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/tendermint/tmlibs/log"
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cfg "github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/proxy"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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)
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func makeStateAndBlockStore(logger log.Logger) (sm.State, *BlockStore) {
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config := cfg.ResetTestRoot("blockchain_reactor_test")
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// blockDB := dbm.NewDebugDB("blockDB", dbm.NewMemDB())
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// stateDB := dbm.NewDebugDB("stateDB", dbm.NewMemDB())
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blockDB := dbm.NewMemDB()
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stateDB := dbm.NewMemDB()
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blockStore := NewBlockStore(blockDB)
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state, err := sm.LoadStateFromDBOrGenesisFile(stateDB, config.GenesisFile())
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if err != nil {
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panic(cmn.ErrorWrap(err, "error constructing state from genesis file"))
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}
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return state, blockStore
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}
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func newBlockchainReactor(logger log.Logger, maxBlockHeight int64) *BlockchainReactor {
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state, blockStore := makeStateAndBlockStore(logger)
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// Make the blockchainReactor itself
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fastSync := true
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var nilApp proxy.AppConnConsensus
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blockExec := sm.NewBlockExecutor(dbm.NewMemDB(), log.TestingLogger(), nilApp,
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sm.MockMempool{}, sm.MockEvidencePool{})
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bcReactor := NewBlockchainReactor(state.Copy(), blockExec, blockStore, fastSync)
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bcReactor.SetLogger(logger.With("module", "blockchain"))
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// Next: we need to set a switch in order for peers to be added in
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bcReactor.Switch = p2p.NewSwitch(cfg.DefaultP2PConfig())
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// Lastly: let's add some blocks in
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for blockHeight := int64(1); blockHeight <= maxBlockHeight; blockHeight++ {
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firstBlock := makeBlock(blockHeight, state)
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secondBlock := makeBlock(blockHeight+1, state)
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firstParts := firstBlock.MakePartSet(state.ConsensusParams.BlockGossip.BlockPartSizeBytes)
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blockStore.SaveBlock(firstBlock, firstParts, secondBlock.LastCommit)
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}
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return bcReactor
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}
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func TestNoBlockResponse(t *testing.T) {
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maxBlockHeight := int64(20)
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bcr := newBlockchainReactor(log.TestingLogger(), maxBlockHeight)
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bcr.Start()
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defer bcr.Stop()
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// Add some peers in
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peer := newbcrTestPeer(p2p.ID(cmn.RandStr(12)))
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bcr.AddPeer(peer)
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chID := byte(0x01)
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tests := []struct {
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height int64
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existent bool
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}{
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{maxBlockHeight + 2, false},
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{10, true},
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{1, true},
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{100, false},
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}
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// receive a request message from peer,
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// wait for our response to be received on the peer
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for _, tt := range tests {
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reqBlockMsg := &bcBlockRequestMessage{tt.height}
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reqBlockBytes := cdc.MustMarshalBinaryBare(reqBlockMsg)
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bcr.Receive(chID, peer, reqBlockBytes)
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msg := peer.lastBlockchainMessage()
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if tt.existent {
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if blockMsg, ok := msg.(*bcBlockResponseMessage); !ok {
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t.Fatalf("Expected to receive a block response for height %d", tt.height)
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} else if blockMsg.Block.Height != tt.height {
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t.Fatalf("Expected response to be for height %d, got %d", tt.height, blockMsg.Block.Height)
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}
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} else {
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if noBlockMsg, ok := msg.(*bcNoBlockResponseMessage); !ok {
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t.Fatalf("Expected to receive a no block response for height %d", tt.height)
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} else if noBlockMsg.Height != tt.height {
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t.Fatalf("Expected response to be for height %d, got %d", tt.height, noBlockMsg.Height)
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}
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}
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}
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}
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/*
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// NOTE: This is too hard to test without
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// an easy way to add test peer to switch
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// or without significant refactoring of the module.
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// Alternatively we could actually dial a TCP conn but
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// that seems extreme.
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func TestBadBlockStopsPeer(t *testing.T) {
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maxBlockHeight := int64(20)
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bcr := newBlockchainReactor(log.TestingLogger(), maxBlockHeight)
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bcr.Start()
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defer bcr.Stop()
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// Add some peers in
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peer := newbcrTestPeer(p2p.ID(cmn.RandStr(12)))
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// XXX: This doesn't add the peer to anything,
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// so it's hard to check that it's later removed
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bcr.AddPeer(peer)
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assert.True(t, bcr.Switch.Peers().Size() > 0)
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// send a bad block from the peer
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// default blocks already dont have commits, so should fail
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block := bcr.store.LoadBlock(3)
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msg := &bcBlockResponseMessage{Block: block}
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peer.Send(BlockchainChannel, struct{ BlockchainMessage }{msg})
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ticker := time.NewTicker(time.Millisecond * 10)
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timer := time.NewTimer(time.Second * 2)
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LOOP:
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for {
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select {
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case <-ticker.C:
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if bcr.Switch.Peers().Size() == 0 {
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break LOOP
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}
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case <-timer.C:
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t.Fatal("Timed out waiting to disconnect peer")
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}
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}
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}
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*/
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//----------------------------------------------
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// utility funcs
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func makeTxs(height int64) (txs []types.Tx) {
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for i := 0; i < 10; i++ {
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txs = append(txs, types.Tx([]byte{byte(height), byte(i)}))
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}
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return txs
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}
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func makeBlock(height int64, state sm.State) *types.Block {
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block, _ := state.MakeBlock(height, makeTxs(height), new(types.Commit))
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return block
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}
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// The Test peer
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type bcrTestPeer struct {
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cmn.BaseService
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id p2p.ID
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ch chan interface{}
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}
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var _ p2p.Peer = (*bcrTestPeer)(nil)
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func newbcrTestPeer(id p2p.ID) *bcrTestPeer {
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bcr := &bcrTestPeer{
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id: id,
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ch: make(chan interface{}, 2),
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}
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bcr.BaseService = *cmn.NewBaseService(nil, "bcrTestPeer", bcr)
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return bcr
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}
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func (tp *bcrTestPeer) lastBlockchainMessage() interface{} { return <-tp.ch }
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func (tp *bcrTestPeer) TrySend(chID byte, msgBytes []byte) bool {
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var msg BlockchainMessage
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err := cdc.UnmarshalBinaryBare(msgBytes, &msg)
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if err != nil {
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panic(cmn.ErrorWrap(err, "Error while trying to parse a BlockchainMessage"))
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}
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if _, ok := msg.(*bcStatusResponseMessage); ok {
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// Discard status response messages since they skew our results
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// We only want to deal with:
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// + bcBlockResponseMessage
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// + bcNoBlockResponseMessage
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} else {
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tp.ch <- msg
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}
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return true
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}
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func (tp *bcrTestPeer) Send(chID byte, msgBytes []byte) bool { return tp.TrySend(chID, msgBytes) }
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func (tp *bcrTestPeer) NodeInfo() p2p.NodeInfo { return p2p.NodeInfo{} }
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func (tp *bcrTestPeer) Status() p2p.ConnectionStatus { return p2p.ConnectionStatus{} }
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func (tp *bcrTestPeer) ID() p2p.ID { return tp.id }
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func (tp *bcrTestPeer) IsOutbound() bool { return false }
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func (tp *bcrTestPeer) IsPersistent() bool { return true }
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func (tp *bcrTestPeer) Get(s string) interface{} { return s }
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func (tp *bcrTestPeer) Set(string, interface{}) {}
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func (tp *bcrTestPeer) RemoteIP() net.IP { return []byte{127, 0, 0, 1} }
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