Files
tendermint/node/node_test.go
Callum a2a6852ab9 use correct source of evidence time
Conflicting votes are now sent to the evidence pool to form duplicate vote evidence only once
the height of the evidence is finished and the time of the block finalised.
2021-01-19 16:00:02 +01:00

445 lines
12 KiB
Go

package node
import (
"context"
"fmt"
"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/ed25519"
"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.Cancelled():
t.Fatal("blocksSub was cancelled")
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.(p2p.DefaultNodeInfo).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()
var height int64 = 1
state, stateDB, privVals := state(1, height)
stateStore := sm.NewStore(stateDB)
maxBytes := 16384
var 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
memplMetrics := mempl.PrometheusMetrics("node_test_1")
mempool := mempl.NewCListMempool(
config.Mempool,
proxyApp.Mempool(),
state.LastBlockHeight,
mempl.WithMetrics(memplMetrics),
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(evidenceDB, stateStore, blockStore)
require.NoError(t, err)
evidencePool.SetLogger(logger)
// 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 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()
var height int64 = 1
state, stateDB, _ := state(1, height)
stateStore := sm.NewStore(stateDB)
var maxBytes int64 = 16384
var partSize uint32 = 256
state.ConsensusParams.Block.MaxBytes = maxBytes
proposerAddr, _ := state.Validators.GetByIndex(0)
// Make Mempool
memplMetrics := mempl.PrometheusMetrics("node_test_2")
mempool := mempl.NewCListMempool(
config.Mempool,
proxyApp.Mempool(),
state.LastBlockHeight,
mempl.WithMetrics(memplMetrics),
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 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)
n, err := NewNode(config,
privval.LoadOrGenFilePV(config.PrivValidatorKeyFile(), config.PrivValidatorStateFile()),
nodeKey,
proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir()),
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 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
}