package node import ( "context" "fmt" "math" "net" "os" "syscall" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" dbm "github.com/tendermint/tm-db" "github.com/tendermint/tendermint/abci/example/kvstore" cfg "github.com/tendermint/tendermint/config" "github.com/tendermint/tendermint/crypto" "github.com/tendermint/tendermint/crypto/ed25519" "github.com/tendermint/tendermint/crypto/tmhash" "github.com/tendermint/tendermint/evidence" "github.com/tendermint/tendermint/libs/log" tmrand "github.com/tendermint/tendermint/libs/rand" mempl "github.com/tendermint/tendermint/mempool" "github.com/tendermint/tendermint/p2p" p2pmock "github.com/tendermint/tendermint/p2p/mock" "github.com/tendermint/tendermint/privval" "github.com/tendermint/tendermint/proxy" sm "github.com/tendermint/tendermint/state" "github.com/tendermint/tendermint/store" "github.com/tendermint/tendermint/types" tmtime "github.com/tendermint/tendermint/types/time" ) func TestNodeStartStop(t *testing.T) { config := cfg.ResetTestRoot("node_node_test") defer os.RemoveAll(config.RootDir) // create & start node n, err := DefaultNewNode(config, log.TestingLogger()) require.NoError(t, err) err = n.Start() require.NoError(t, err) t.Logf("Started node %v", n.sw.NodeInfo()) // wait for the node to produce a block blocksSub, err := n.EventBus().Subscribe(context.Background(), "node_test", types.EventQueryNewBlock) require.NoError(t, err) select { case <-blocksSub.Out(): case <-blocksSub.Canceled(): t.Fatal("blocksSub was canceled") case <-time.After(10 * time.Second): t.Fatal("timed out waiting for the node to produce a block") } // stop the node go func() { err = n.Stop() require.NoError(t, err) }() select { case <-n.Quit(): case <-time.After(5 * time.Second): pid := os.Getpid() p, err := os.FindProcess(pid) if err != nil { panic(err) } err = p.Signal(syscall.SIGABRT) fmt.Println(err) t.Fatal("timed out waiting for shutdown") } } func TestSplitAndTrimEmpty(t *testing.T) { testCases := []struct { s string sep string cutset string expected []string }{ {"a,b,c", ",", " ", []string{"a", "b", "c"}}, {" a , b , c ", ",", " ", []string{"a", "b", "c"}}, {" a, b, c ", ",", " ", []string{"a", "b", "c"}}, {" a, ", ",", " ", []string{"a"}}, {" ", ",", " ", []string{}}, } for _, tc := range testCases { assert.Equal(t, tc.expected, splitAndTrimEmpty(tc.s, tc.sep, tc.cutset), "%s", tc.s) } } func TestNodeDelayedStart(t *testing.T) { config := cfg.ResetTestRoot("node_delayed_start_test") defer os.RemoveAll(config.RootDir) now := tmtime.Now() // create & start node n, err := DefaultNewNode(config, log.TestingLogger()) n.GenesisDoc().GenesisTime = now.Add(2 * time.Second) require.NoError(t, err) err = n.Start() require.NoError(t, err) defer n.Stop() //nolint:errcheck // ignore for tests startTime := tmtime.Now() assert.Equal(t, true, startTime.After(n.GenesisDoc().GenesisTime)) } func TestNodeSetAppVersion(t *testing.T) { config := cfg.ResetTestRoot("node_app_version_test") defer os.RemoveAll(config.RootDir) // create & start node n, err := DefaultNewNode(config, log.TestingLogger()) require.NoError(t, err) // default config uses the kvstore app var appVersion uint64 = kvstore.ProtocolVersion // check version is set in state state, err := n.stateStore.Load() require.NoError(t, err) assert.Equal(t, state.Version.Consensus.App, appVersion) // check version is set in node info assert.Equal(t, n.nodeInfo.ProtocolVersion.App, appVersion) } func TestNodeSetPrivValTCP(t *testing.T) { addr := "tcp://" + testFreeAddr(t) config := cfg.ResetTestRoot("node_priv_val_tcp_test") defer os.RemoveAll(config.RootDir) config.BaseConfig.PrivValidatorListenAddr = addr dialer := privval.DialTCPFn(addr, 100*time.Millisecond, ed25519.GenPrivKey()) dialerEndpoint := privval.NewSignerDialerEndpoint( log.TestingLogger(), dialer, ) privval.SignerDialerEndpointTimeoutReadWrite(100 * time.Millisecond)(dialerEndpoint) signerServer := privval.NewSignerServer( dialerEndpoint, config.ChainID(), types.NewMockPV(), ) go func() { err := signerServer.Start() if err != nil { panic(err) } }() defer signerServer.Stop() //nolint:errcheck // ignore for tests n, err := DefaultNewNode(config, log.TestingLogger()) require.NoError(t, err) assert.IsType(t, &privval.RetrySignerClient{}, n.PrivValidator()) } // address without a protocol must result in error func TestPrivValidatorListenAddrNoProtocol(t *testing.T) { addrNoPrefix := testFreeAddr(t) config := cfg.ResetTestRoot("node_priv_val_tcp_test") defer os.RemoveAll(config.RootDir) config.BaseConfig.PrivValidatorListenAddr = addrNoPrefix _, err := DefaultNewNode(config, log.TestingLogger()) assert.Error(t, err) } func TestNodeSetPrivValIPC(t *testing.T) { tmpfile := "/tmp/kms." + tmrand.Str(6) + ".sock" defer os.Remove(tmpfile) // clean up config := cfg.ResetTestRoot("node_priv_val_tcp_test") defer os.RemoveAll(config.RootDir) config.BaseConfig.PrivValidatorListenAddr = "unix://" + tmpfile dialer := privval.DialUnixFn(tmpfile) dialerEndpoint := privval.NewSignerDialerEndpoint( log.TestingLogger(), dialer, ) privval.SignerDialerEndpointTimeoutReadWrite(100 * time.Millisecond)(dialerEndpoint) pvsc := privval.NewSignerServer( dialerEndpoint, config.ChainID(), types.NewMockPV(), ) go func() { err := pvsc.Start() require.NoError(t, err) }() defer pvsc.Stop() //nolint:errcheck // ignore for tests n, err := DefaultNewNode(config, log.TestingLogger()) require.NoError(t, err) assert.IsType(t, &privval.RetrySignerClient{}, n.PrivValidator()) } // testFreeAddr claims a free port so we don't block on listener being ready. func testFreeAddr(t *testing.T) string { ln, err := net.Listen("tcp", "127.0.0.1:0") require.NoError(t, err) defer ln.Close() return fmt.Sprintf("127.0.0.1:%d", ln.Addr().(*net.TCPAddr).Port) } // create a proposal block using real and full // mempool and evidence pool and validate it. func TestCreateProposalBlock(t *testing.T) { config := cfg.ResetTestRoot("node_create_proposal") defer os.RemoveAll(config.RootDir) cc := proxy.NewLocalClientCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc) err := proxyApp.Start() require.Nil(t, err) defer proxyApp.Stop() //nolint:errcheck // ignore for tests logger := log.TestingLogger() const height int64 = 1 state, stateDB, privVals := state(1, height) stateStore := sm.NewStore(stateDB) maxBytes := 16384 const partSize uint32 = 256 maxEvidenceBytes := int64(maxBytes / 2) state.ConsensusParams.Block.MaxBytes = int64(maxBytes) state.ConsensusParams.Evidence.MaxBytes = maxEvidenceBytes proposerAddr, _ := state.Validators.GetByIndex(0) // Make Mempool mempool := mempl.NewCListMempool( config.Mempool, proxyApp.Mempool(), state.LastBlockHeight, mempl.WithMetrics(mempl.NopMetrics()), mempl.WithPreCheck(sm.TxPreCheck(state)), mempl.WithPostCheck(sm.TxPostCheck(state)), ) mempool.SetLogger(logger) // Make EvidencePool evidenceDB := dbm.NewMemDB() blockStore := store.NewBlockStore(dbm.NewMemDB()) evidencePool, err := evidence.NewPool(logger, evidenceDB, stateStore, blockStore) require.NoError(t, err) // fill the evidence pool with more evidence // than can fit in a block var currentBytes int64 = 0 for currentBytes <= maxEvidenceBytes { ev := types.NewMockDuplicateVoteEvidenceWithValidator(height, time.Now(), privVals[0], "test-chain") currentBytes += int64(len(ev.Bytes())) evidencePool.ReportConflictingVotes(ev.VoteA, ev.VoteB) } evList, size := evidencePool.PendingEvidence(state.ConsensusParams.Evidence.MaxBytes) require.Less(t, size, state.ConsensusParams.Evidence.MaxBytes+1) evData := &types.EvidenceData{Evidence: evList} require.EqualValues(t, size, evData.ByteSize()) // fill the mempool with more txs // than can fit in a block txLength := 100 for i := 0; i <= maxBytes/txLength; i++ { tx := tmrand.Bytes(txLength) err := mempool.CheckTx(tx, nil, mempl.TxInfo{}) assert.NoError(t, err) } blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mempool, evidencePool, ) commit := types.NewCommit(height-1, 0, types.BlockID{}, nil) block, _ := blockExec.CreateProposalBlock( height, state, commit, proposerAddr, ) // check that the part set does not exceed the maximum block size partSet := block.MakePartSet(partSize) assert.Less(t, partSet.ByteSize(), int64(maxBytes)) partSetFromHeader := types.NewPartSetFromHeader(partSet.Header()) for partSetFromHeader.Count() < partSetFromHeader.Total() { added, err := partSetFromHeader.AddPart(partSet.GetPart(int(partSetFromHeader.Count()))) require.NoError(t, err) require.True(t, added) } assert.EqualValues(t, partSetFromHeader.ByteSize(), partSet.ByteSize()) err = blockExec.ValidateBlock(state, block) assert.NoError(t, err) } func TestMaxTxsProposalBlockSize(t *testing.T) { config := cfg.ResetTestRoot("node_create_proposal") defer os.RemoveAll(config.RootDir) cc := proxy.NewLocalClientCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc) err := proxyApp.Start() require.Nil(t, err) defer proxyApp.Stop() //nolint:errcheck // ignore for tests logger := log.TestingLogger() const height int64 = 1 state, stateDB, _ := state(1, height) stateStore := sm.NewStore(stateDB) const maxBytes int64 = 16384 const partSize uint32 = 256 state.ConsensusParams.Block.MaxBytes = maxBytes proposerAddr, _ := state.Validators.GetByIndex(0) // Make Mempool mempool := mempl.NewCListMempool( config.Mempool, proxyApp.Mempool(), state.LastBlockHeight, mempl.WithMetrics(mempl.NopMetrics()), mempl.WithPreCheck(sm.TxPreCheck(state)), mempl.WithPostCheck(sm.TxPostCheck(state)), ) mempool.SetLogger(logger) // fill the mempool with one txs just below the maximum size txLength := int(types.MaxDataBytesNoEvidence(maxBytes, 1)) tx := tmrand.Bytes(txLength - 4) // to account for the varint err = mempool.CheckTx(tx, nil, mempl.TxInfo{}) assert.NoError(t, err) blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mempool, sm.EmptyEvidencePool{}, ) commit := types.NewCommit(height-1, 0, types.BlockID{}, nil) block, _ := blockExec.CreateProposalBlock( height, state, commit, proposerAddr, ) pb, err := block.ToProto() require.NoError(t, err) assert.Less(t, int64(pb.Size()), maxBytes) // check that the part set does not exceed the maximum block size partSet := block.MakePartSet(partSize) assert.EqualValues(t, partSet.ByteSize(), int64(pb.Size())) } func TestMaxProposalBlockSize(t *testing.T) { config := cfg.ResetTestRoot("node_create_proposal") defer os.RemoveAll(config.RootDir) cc := proxy.NewLocalClientCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc) err := proxyApp.Start() require.Nil(t, err) defer proxyApp.Stop() //nolint:errcheck // ignore for tests logger := log.TestingLogger() state, stateDB, _ := state(types.MaxVotesCount, int64(1)) stateStore := sm.NewStore(stateDB) const maxBytes int64 = 1024 * 1024 * 2 state.ConsensusParams.Block.MaxBytes = maxBytes proposerAddr, _ := state.Validators.GetByIndex(0) // Make Mempool mempool := mempl.NewCListMempool( config.Mempool, proxyApp.Mempool(), state.LastBlockHeight, mempl.WithMetrics(mempl.NopMetrics()), mempl.WithPreCheck(sm.TxPreCheck(state)), mempl.WithPostCheck(sm.TxPostCheck(state)), ) mempool.SetLogger(logger) // fill the mempool with one txs just below the maximum size txLength := int(types.MaxDataBytesNoEvidence(maxBytes, types.MaxVotesCount)) tx := tmrand.Bytes(txLength - 6) // to account for the varint err = mempool.CheckTx(tx, nil, mempl.TxInfo{}) assert.NoError(t, err) // now produce more txs than what a normal block can hold with 10 smaller txs // At the end of the test, only the single big tx should be added for i := 0; i < 10; i++ { tx := tmrand.Bytes(10) err = mempool.CheckTx(tx, nil, mempl.TxInfo{}) assert.NoError(t, err) } blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mempool, sm.EmptyEvidencePool{}, ) blockID := types.BlockID{ Hash: tmhash.Sum([]byte("blockID_hash")), PartSetHeader: types.PartSetHeader{ Total: math.MaxInt32, Hash: tmhash.Sum([]byte("blockID_part_set_header_hash")), }, } timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC) // change state in order to produce the largest accepted header state.LastBlockID = blockID state.LastBlockHeight = math.MaxInt64 - 1 state.LastBlockTime = timestamp state.LastResultsHash = tmhash.Sum([]byte("last_results_hash")) state.AppHash = tmhash.Sum([]byte("app_hash")) state.Version.Consensus.Block = math.MaxInt64 state.Version.Consensus.App = math.MaxInt64 maxChainID := "" for i := 0; i < types.MaxChainIDLen; i++ { maxChainID += "𠜎" } state.ChainID = maxChainID cs := types.CommitSig{ BlockIDFlag: types.BlockIDFlagNil, ValidatorAddress: crypto.AddressHash([]byte("validator_address")), Timestamp: timestamp, Signature: crypto.CRandBytes(types.MaxSignatureSize), } commit := &types.Commit{ Height: math.MaxInt64, Round: math.MaxInt32, BlockID: blockID, } // add maximum amount of signatures to a single commit for i := 0; i < types.MaxVotesCount; i++ { commit.Signatures = append(commit.Signatures, cs) } block, partSet := blockExec.CreateProposalBlock( math.MaxInt64, state, commit, proposerAddr, ) // this ensures that the header is at max size block.Header.Time = timestamp pb, err := block.ToProto() require.NoError(t, err) // require that the header and commit be the max possible size require.Equal(t, int64(pb.Header.Size()), types.MaxHeaderBytes) require.Equal(t, int64(pb.LastCommit.Size()), types.MaxCommitBytes(types.MaxVotesCount)) // make sure that the block is less than the max possible size assert.Equal(t, int64(pb.Size()), maxBytes) // because of the proto overhead we expect the part set bytes to be equal or // less than the pb block size assert.LessOrEqual(t, partSet.ByteSize(), int64(pb.Size())) } func TestNodeNewNodeCustomReactors(t *testing.T) { config := cfg.ResetTestRoot("node_new_node_custom_reactors_test") defer os.RemoveAll(config.RootDir) cr := p2pmock.NewReactor() customBlockchainReactor := p2pmock.NewReactor() nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile()) require.NoError(t, err) pval, err := privval.LoadOrGenFilePV(config.PrivValidatorKeyFile(), config.PrivValidatorStateFile()) require.NoError(t, err) appClient, closer := proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir()) t.Cleanup(func() { closer.Close() }) n, err := NewNode(config, pval, nodeKey, appClient, DefaultGenesisDocProviderFunc(config), DefaultDBProvider, DefaultMetricsProvider(config.Instrumentation), log.TestingLogger(), CustomReactors(map[string]p2p.Reactor{"FOO": cr, "BLOCKCHAIN": customBlockchainReactor}), ) require.NoError(t, err) err = n.Start() require.NoError(t, err) defer n.Stop() //nolint:errcheck // ignore for tests assert.True(t, cr.IsRunning()) assert.Equal(t, cr, n.Switch().Reactor("FOO")) assert.True(t, customBlockchainReactor.IsRunning()) assert.Equal(t, customBlockchainReactor, n.Switch().Reactor("BLOCKCHAIN")) } func TestNodeNewSeedNode(t *testing.T) { config := cfg.ResetTestRoot("node_new_node_custom_reactors_test") config.Mode = cfg.ModeSeed defer os.RemoveAll(config.RootDir) nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile()) require.NoError(t, err) n, err := NewSeedNode(config, DefaultDBProvider, nodeKey, DefaultGenesisDocProviderFunc(config), log.TestingLogger(), ) require.NoError(t, err) err = n.Start() require.NoError(t, err) assert.True(t, n.pexReactor.IsRunning()) } func state(nVals int, height int64) (sm.State, dbm.DB, []types.PrivValidator) { privVals := make([]types.PrivValidator, nVals) vals := make([]types.GenesisValidator, nVals) for i := 0; i < nVals; i++ { privVal := types.NewMockPV() privVals[i] = privVal vals[i] = types.GenesisValidator{ Address: privVal.PrivKey.PubKey().Address(), PubKey: privVal.PrivKey.PubKey(), Power: 1000, Name: fmt.Sprintf("test%d", i), } } s, _ := sm.MakeGenesisState(&types.GenesisDoc{ ChainID: "test-chain", Validators: vals, AppHash: nil, }) // save validators to db for 2 heights stateDB := dbm.NewMemDB() stateStore := sm.NewStore(stateDB) if err := stateStore.Save(s); err != nil { panic(err) } for i := 1; i < int(height); i++ { s.LastBlockHeight++ s.LastValidators = s.Validators.Copy() if err := stateStore.Save(s); err != nil { panic(err) } } return s, stateDB, privVals }