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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.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.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)
n, err := NewNode(config,
pval,
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
}