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tendermint/node/node_test.go

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package node
import (
"context"
"errors"
"fmt"
"math"
"net"
"os"
"testing"
"time"
"github.com/fortytw2/leaktest"
"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()
logger := log.NewNopLogger()
// create & start node
ns, err := newDefaultNode(ctx, cfg, logger)
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()
}
})
t.Cleanup(leaktest.CheckTimeout(t, time.Second))
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()
logger := log.NewNopLogger()
// create & start node
n := getTestNode(ctx, t, cfg, logger)
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()
logger := log.NewNopLogger()
// create node
n := getTestNode(ctx, t, cfg, logger)
// 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)
t.Cleanup(leaktest.Check(t))
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
logger := log.NewNopLogger()
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(logger, dialer)
privval.SignerDialerEndpointTimeoutReadWrite(100 * time.Millisecond)(dialerEndpoint)
signerServer := privval.NewSignerServer(
dialerEndpoint,
cfg.ChainID(),
types.NewMockPV(),
)
go func() {
err := signerServer.Start(ctx)
require.NoError(t, err)
}()
defer signerServer.Stop() //nolint:errcheck // ignore for tests
genDoc, err := defaultGenesisDocProviderFunc(cfg)()
require.NoError(t, err)
pval, err := createPrivval(ctx, logger, cfg, genDoc, nil)
require.NoError(t, err)
assert.IsType(t, &privval.RetrySignerClient{}, pval)
}
// 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
logger := log.NewNopLogger()
n, err := newDefaultNode(ctx, cfg, logger)
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
logger := log.NewNopLogger()
dialer := privval.DialUnixFn(tmpfile)
dialerEndpoint := privval.NewSignerDialerEndpoint(logger, 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
genDoc, err := defaultGenesisDocProviderFunc(cfg)()
require.NoError(t, err)
pval, err := createPrivval(ctx, logger, cfg, genDoc, nil)
require.NoError(t, err)
assert.IsType(t, &privval.RetrySignerClient{}, pval)
}
// 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)
logger := log.NewNopLogger()
cc := abciclient.NewLocalCreator(kvstore.NewApplication())
proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
err = proxyApp.Start(ctx)
require.NoError(t, err)
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, err := types.NewMockDuplicateVoteEvidenceWithValidator(ctx, height, time.Now(), privVals[0], "test-chain")
require.NoError(t, err)
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, _, err := blockExec.CreateProposalBlock(
height,
state, commit,
proposerAddr,
)
require.NoError(t, err)
// check that the part set does not exceed the maximum block size
partSet, err := block.MakePartSet(partSize)
require.NoError(t, err)
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)
logger := log.NewNopLogger()
cc := abciclient.NewLocalCreator(kvstore.NewApplication())
proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
err = proxyApp.Start(ctx)
require.NoError(t, err)
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, _, err := blockExec.CreateProposalBlock(
height,
state, commit,
proposerAddr,
)
require.NoError(t, err)
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, err := block.MakePartSet(partSize)
require.NoError(t, err)
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)
logger := log.NewNopLogger()
cc := abciclient.NewLocalCreator(kvstore.NewApplication())
proxyApp := proxy.NewAppConns(cc, logger, proxy.NopMetrics())
err = proxyApp.Start(ctx)
require.NoError(t, err)
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, err := blockExec.CreateProposalBlock(
math.MaxInt64,
state, commit,
proposerAddr,
)
require.NoError(t, err)
// 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)
logger := log.NewNopLogger()
ns, err := makeSeedNode(ctx,
cfg,
config.DefaultDBProvider,
nodeKey,
defaultGenesisDocProviderFunc(cfg),
logger,
)
t.Cleanup(ns.Wait)
require.NoError(t, err)
n, ok := ns.(*seedNodeImpl)
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.NewNopLogger()
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) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_ = loadStatefromGenesis(ctx, t)
}
func loadStatefromGenesis(ctx context.Context, 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(ctx, t, cfg, 0, false, 10)
state, err := loadStateFromDBOrGenesisDocProvider(
stateStore,
genDoc,
)
require.NoError(t, err)
require.NotNil(t, state)
return state
}