package node import ( "context" "errors" "fmt" "math" "net" "os" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" dbm "github.com/tendermint/tm-db" abciclient "github.com/tendermint/tendermint/abci/client" "github.com/tendermint/tendermint/abci/example/kvstore" "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/internal/eventbus" "github.com/tendermint/tendermint/internal/evidence" "github.com/tendermint/tendermint/internal/mempool" "github.com/tendermint/tendermint/internal/proxy" "github.com/tendermint/tendermint/internal/pubsub" sm "github.com/tendermint/tendermint/internal/state" "github.com/tendermint/tendermint/internal/state/indexer" "github.com/tendermint/tendermint/internal/store" "github.com/tendermint/tendermint/internal/test/factory" "github.com/tendermint/tendermint/libs/log" tmrand "github.com/tendermint/tendermint/libs/rand" "github.com/tendermint/tendermint/libs/service" tmtime "github.com/tendermint/tendermint/libs/time" "github.com/tendermint/tendermint/privval" "github.com/tendermint/tendermint/types" ) func TestNodeStartStop(t *testing.T) { cfg, err := config.ResetTestRoot("node_node_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) ctx, bcancel := context.WithCancel(context.Background()) defer bcancel() // create & start node ns, err := newDefaultNode(ctx, cfg, log.TestingLogger()) require.NoError(t, err) n, ok := ns.(*nodeImpl) require.True(t, ok) t.Cleanup(func() { if n.IsRunning() { bcancel() n.Wait() } }) require.NoError(t, n.Start(ctx)) // wait for the node to produce a block tctx, cancel := context.WithTimeout(ctx, time.Second) defer cancel() blocksSub, err := n.EventBus().SubscribeWithArgs(tctx, pubsub.SubscribeArgs{ ClientID: "node_test", Query: types.EventQueryNewBlock, }) require.NoError(t, err) _, err = blocksSub.Next(tctx) require.NoError(t, err, "waiting for event") cancel() // stop the subscription context bcancel() // stop the base context n.Wait() require.False(t, n.IsRunning(), "node must shut down") } func getTestNode(ctx context.Context, t *testing.T, conf *config.Config, logger log.Logger) *nodeImpl { t.Helper() ctx, cancel := context.WithCancel(ctx) defer cancel() ns, err := newDefaultNode(ctx, conf, logger) require.NoError(t, err) n, ok := ns.(*nodeImpl) require.True(t, ok) t.Cleanup(func() { cancel() if n.IsRunning() { ns.Wait() } }) return n } func TestNodeDelayedStart(t *testing.T) { cfg, err := config.ResetTestRoot("node_delayed_start_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) now := tmtime.Now() ctx, cancel := context.WithCancel(context.Background()) defer cancel() // create & start node n := getTestNode(ctx, t, cfg, log.TestingLogger()) n.GenesisDoc().GenesisTime = now.Add(2 * time.Second) require.NoError(t, n.Start(ctx)) startTime := tmtime.Now() assert.Equal(t, true, startTime.After(n.GenesisDoc().GenesisTime)) } func TestNodeSetAppVersion(t *testing.T) { cfg, err := config.ResetTestRoot("node_app_version_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) ctx, cancel := context.WithCancel(context.Background()) defer cancel() // create node n := getTestNode(ctx, t, cfg, log.TestingLogger()) // default config uses the kvstore app appVersion := 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) ctx, cancel := context.WithCancel(context.Background()) defer cancel() cfg, err := config.ResetTestRoot("node_priv_val_tcp_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cfg.PrivValidator.ListenAddr = 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, cfg.ChainID(), types.NewMockPV(), ) go func() { err := signerServer.Start(ctx) if err != nil { panic(err) } }() defer signerServer.Stop() //nolint:errcheck // ignore for tests n := getTestNode(ctx, t, cfg, log.TestingLogger()) assert.IsType(t, &privval.RetrySignerClient{}, n.PrivValidator()) } // address without a protocol must result in error func TestPrivValidatorListenAddrNoProtocol(t *testing.T) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() addrNoPrefix := testFreeAddr(t) cfg, err := config.ResetTestRoot("node_priv_val_tcp_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cfg.PrivValidator.ListenAddr = addrNoPrefix n, err := newDefaultNode(ctx, cfg, log.TestingLogger()) assert.Error(t, err) if n != nil && n.IsRunning() { cancel() n.Wait() } } func TestNodeSetPrivValIPC(t *testing.T) { tmpfile := "/tmp/kms." + tmrand.Str(6) + ".sock" defer os.Remove(tmpfile) // clean up ctx, cancel := context.WithCancel(context.Background()) defer cancel() cfg, err := config.ResetTestRoot("node_priv_val_tcp_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cfg.PrivValidator.ListenAddr = "unix://" + tmpfile dialer := privval.DialUnixFn(tmpfile) dialerEndpoint := privval.NewSignerDialerEndpoint( log.TestingLogger(), dialer, ) privval.SignerDialerEndpointTimeoutReadWrite(100 * time.Millisecond)(dialerEndpoint) pvsc := privval.NewSignerServer( dialerEndpoint, cfg.ChainID(), types.NewMockPV(), ) go func() { err := pvsc.Start(ctx) require.NoError(t, err) }() defer pvsc.Stop() //nolint:errcheck // ignore for tests n := getTestNode(ctx, t, cfg, log.TestingLogger()) 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) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() cfg, err := config.ResetTestRoot("node_create_proposal") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cc := abciclient.NewLocalCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc, log.TestingLogger(), proxy.NopMetrics()) err = proxyApp.Start(ctx) require.Nil(t, err) logger := log.TestingLogger() const height int64 = 1 state, stateDB, privVals := state(t, 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) mp := mempool.NewTxMempool( logger.With("module", "mempool"), cfg.Mempool, proxyApp.Mempool(), state.LastBlockHeight, ) // 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 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 := mp.CheckTx(ctx, tx, nil, mempool.TxInfo{}) assert.NoError(t, err) } blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mp, evidencePool, blockStore, ) 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) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() cfg, err := config.ResetTestRoot("node_create_proposal") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cc := abciclient.NewLocalCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc, log.TestingLogger(), proxy.NopMetrics()) err = proxyApp.Start(ctx) require.Nil(t, err) logger := log.TestingLogger() const height int64 = 1 state, stateDB, _ := state(t, 1, height) stateStore := sm.NewStore(stateDB) blockStore := store.NewBlockStore(dbm.NewMemDB()) const maxBytes int64 = 16384 const partSize uint32 = 256 state.ConsensusParams.Block.MaxBytes = maxBytes proposerAddr, _ := state.Validators.GetByIndex(0) // Make Mempool mp := mempool.NewTxMempool( logger.With("module", "mempool"), cfg.Mempool, proxyApp.Mempool(), state.LastBlockHeight, ) // 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 = mp.CheckTx(ctx, tx, nil, mempool.TxInfo{}) assert.NoError(t, err) blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mp, sm.EmptyEvidencePool{}, blockStore, ) 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) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() cfg, err := config.ResetTestRoot("node_create_proposal") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) cc := abciclient.NewLocalCreator(kvstore.NewApplication()) proxyApp := proxy.NewAppConns(cc, log.TestingLogger(), proxy.NopMetrics()) err = proxyApp.Start(ctx) require.Nil(t, err) logger := log.TestingLogger() state, stateDB, _ := state(t, types.MaxVotesCount, int64(1)) stateStore := sm.NewStore(stateDB) blockStore := store.NewBlockStore(dbm.NewMemDB()) const maxBytes int64 = 1024 * 1024 * 2 state.ConsensusParams.Block.MaxBytes = maxBytes proposerAddr, _ := state.Validators.GetByIndex(0) // Make Mempool mp := mempool.NewTxMempool( logger.With("module", "mempool"), cfg.Mempool, proxyApp.Mempool(), state.LastBlockHeight, ) // 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 = mp.CheckTx(ctx, tx, nil, mempool.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 = mp.CheckTx(ctx, tx, nil, mempool.TxInfo{}) assert.NoError(t, err) } blockExec := sm.NewBlockExecutor( stateStore, logger, proxyApp.Consensus(), mp, sm.EmptyEvidencePool{}, blockStore, ) 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 TestNodeNewSeedNode(t *testing.T) { cfg, err := config.ResetTestRoot("node_new_node_custom_reactors_test") require.NoError(t, err) cfg.Mode = config.ModeSeed defer os.RemoveAll(cfg.RootDir) ctx, cancel := context.WithCancel(context.Background()) defer cancel() nodeKey, err := types.LoadOrGenNodeKey(cfg.NodeKeyFile()) require.NoError(t, err) ns, err := makeSeedNode(ctx, cfg, config.DefaultDBProvider, nodeKey, defaultGenesisDocProviderFunc(cfg), log.TestingLogger(), ) t.Cleanup(ns.Wait) require.NoError(t, err) n, ok := ns.(*nodeImpl) require.True(t, ok) err = n.Start(ctx) require.NoError(t, err) assert.True(t, n.pexReactor.IsRunning()) cancel() n.Wait() assert.False(t, n.pexReactor.IsRunning()) } func TestNodeSetEventSink(t *testing.T) { cfg, err := config.ResetTestRoot("node_app_version_test") require.NoError(t, err) defer os.RemoveAll(cfg.RootDir) ctx, cancel := context.WithCancel(context.Background()) defer cancel() logger := log.TestingLogger() setupTest := func(t *testing.T, conf *config.Config) []indexer.EventSink { eventBus := eventbus.NewDefault(logger.With("module", "events")) require.NoError(t, eventBus.Start(ctx)) t.Cleanup(eventBus.Wait) genDoc, err := types.GenesisDocFromFile(cfg.GenesisFile()) require.NoError(t, err) indexService, eventSinks, err := createAndStartIndexerService(ctx, cfg, config.DefaultDBProvider, eventBus, logger, genDoc.ChainID, indexer.NopMetrics()) require.NoError(t, err) t.Cleanup(indexService.Wait) return eventSinks } cleanup := func(ns service.Service) func() { return func() { n, ok := ns.(*nodeImpl) if !ok { return } if n == nil { return } if !n.IsRunning() { return } cancel() n.Wait() } } eventSinks := setupTest(t, cfg) assert.Equal(t, 1, len(eventSinks)) assert.Equal(t, indexer.KV, eventSinks[0].Type()) cfg.TxIndex.Indexer = []string{"null"} eventSinks = setupTest(t, cfg) assert.Equal(t, 1, len(eventSinks)) assert.Equal(t, indexer.NULL, eventSinks[0].Type()) cfg.TxIndex.Indexer = []string{"null", "kv"} eventSinks = setupTest(t, cfg) assert.Equal(t, 1, len(eventSinks)) assert.Equal(t, indexer.NULL, eventSinks[0].Type()) cfg.TxIndex.Indexer = []string{"kvv"} ns, err := newDefaultNode(ctx, cfg, logger) assert.Nil(t, ns) assert.Contains(t, err.Error(), "unsupported event sink type") t.Cleanup(cleanup(ns)) cfg.TxIndex.Indexer = []string{} eventSinks = setupTest(t, cfg) assert.Equal(t, 1, len(eventSinks)) assert.Equal(t, indexer.NULL, eventSinks[0].Type()) cfg.TxIndex.Indexer = []string{"psql"} ns, err = newDefaultNode(ctx, cfg, logger) assert.Nil(t, ns) assert.Contains(t, err.Error(), "the psql connection settings cannot be empty") t.Cleanup(cleanup(ns)) // N.B. We can't create a PSQL event sink without starting a postgres // instance for it to talk to. The indexer service tests exercise that case. var e = errors.New("found duplicated sinks, please check the tx-index section in the config.toml") cfg.TxIndex.Indexer = []string{"null", "kv", "Kv"} ns, err = newDefaultNode(ctx, cfg, logger) require.Error(t, err) assert.Contains(t, err.Error(), e.Error()) t.Cleanup(cleanup(ns)) cfg.TxIndex.Indexer = []string{"Null", "kV", "kv", "nUlL"} ns, err = newDefaultNode(ctx, cfg, logger) require.Error(t, err) assert.Contains(t, err.Error(), e.Error()) t.Cleanup(cleanup(ns)) } func state(t *testing.T, nVals int, height int64) (sm.State, dbm.DB, []types.PrivValidator) { t.Helper() 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() t.Cleanup(func() { require.NoError(t, stateDB.Close()) }) stateStore := sm.NewStore(stateDB) require.NoError(t, stateStore.Save(s)) for i := 1; i < int(height); i++ { s.LastBlockHeight++ s.LastValidators = s.Validators.Copy() require.NoError(t, stateStore.Save(s)) } return s, stateDB, privVals } func TestLoadStateFromGenesis(t *testing.T) { _ = loadStatefromGenesis(t) } func loadStatefromGenesis(t *testing.T) sm.State { t.Helper() stateDB := dbm.NewMemDB() stateStore := sm.NewStore(stateDB) cfg, err := config.ResetTestRoot("load_state_from_genesis") require.NoError(t, err) loadedState, err := stateStore.Load() require.NoError(t, err) require.True(t, loadedState.IsEmpty()) genDoc, _ := factory.RandGenesisDoc(cfg, 0, false, 10) state, err := loadStateFromDBOrGenesisDocProvider( stateStore, genDoc, ) require.NoError(t, err) require.NotNil(t, state) return state }