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tendermint/consensus/common_test.go

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package consensus
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sort"
"sync"
"testing"
"time"
"github.com/go-kit/kit/log/term"
"path"
abcicli "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/abci/example/counter"
"github.com/tendermint/tendermint/abci/example/kvstore"
abci "github.com/tendermint/tendermint/abci/types"
cfg "github.com/tendermint/tendermint/config"
cstypes "github.com/tendermint/tendermint/consensus/types"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/libs/log"
tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
mempl "github.com/tendermint/tendermint/mempool"
"github.com/tendermint/tendermint/p2p"
"github.com/tendermint/tendermint/privval"
sm "github.com/tendermint/tendermint/state"
"github.com/tendermint/tendermint/store"
"github.com/tendermint/tendermint/types"
tmtime "github.com/tendermint/tendermint/types/time"
dbm "github.com/tendermint/tm-db"
)
const (
testSubscriber = "test-client"
)
// A cleanupFunc cleans up any config / test files created for a particular
// test.
type cleanupFunc func()
// genesis, chain_id, priv_val
var config *cfg.Config // NOTE: must be reset for each _test.go file
var consensusReplayConfig *cfg.Config
var ensureTimeout = time.Millisecond * 100
func ensureDir(dir string, mode os.FileMode) {
if err := cmn.EnsureDir(dir, mode); err != nil {
panic(err)
}
}
func ResetConfig(name string) *cfg.Config {
return cfg.ResetTestRoot(name)
}
//-------------------------------------------------------------------------------
// validator stub (a kvstore consensus peer we control)
type validatorStub struct {
Index int // Validator index. NOTE: we don't assume validator set changes.
Height int64
Round int
types.PrivValidator
}
var testMinPower int64 = 10
func NewValidatorStub(privValidator types.PrivValidator, valIndex int) *validatorStub {
return &validatorStub{
Index: valIndex,
PrivValidator: privValidator,
}
}
func (vs *validatorStub) signVote(
voteType types.SignedMsgType,
hash []byte,
header types.PartSetHeader) (*types.Vote, error) {
addr := vs.PrivValidator.GetPubKey().Address()
vote := &types.Vote{
ValidatorIndex: vs.Index,
ValidatorAddress: addr,
Height: vs.Height,
Round: vs.Round,
Timestamp: tmtime.Now(),
Type: voteType,
BlockID: types.BlockID{Hash: hash, PartsHeader: header},
}
err := vs.PrivValidator.SignVote(config.ChainID(), vote)
return vote, err
}
// Sign vote for type/hash/header
func signVote(vs *validatorStub, voteType types.SignedMsgType, hash []byte, header types.PartSetHeader) *types.Vote {
v, err := vs.signVote(voteType, hash, header)
if err != nil {
panic(fmt.Errorf("failed to sign vote: %v", err))
}
return v
}
func signVotes(
voteType types.SignedMsgType,
hash []byte,
header types.PartSetHeader,
vss ...*validatorStub) []*types.Vote {
votes := make([]*types.Vote, len(vss))
for i, vs := range vss {
votes[i] = signVote(vs, voteType, hash, header)
}
return votes
}
func incrementHeight(vss ...*validatorStub) {
for _, vs := range vss {
vs.Height++
}
}
func incrementRound(vss ...*validatorStub) {
for _, vs := range vss {
vs.Round++
}
}
type ValidatorStubsByAddress []*validatorStub
func (vss ValidatorStubsByAddress) Len() int {
return len(vss)
}
func (vss ValidatorStubsByAddress) Less(i, j int) bool {
return bytes.Compare(vss[i].GetPubKey().Address(), vss[j].GetPubKey().Address()) == -1
}
func (vss ValidatorStubsByAddress) Swap(i, j int) {
it := vss[i]
vss[i] = vss[j]
vss[i].Index = i
vss[j] = it
vss[j].Index = j
}
//-------------------------------------------------------------------------------
// Functions for transitioning the consensus state
func startTestRound(cs *ConsensusState, height int64, round int) {
cs.enterNewRound(height, round)
cs.startRoutines(0)
}
// Create proposal block from cs1 but sign it with vs.
func decideProposal(
cs1 *ConsensusState,
vs *validatorStub,
height int64,
round int) (proposal *types.Proposal, block *types.Block) {
cs1.mtx.Lock()
block, blockParts := cs1.createProposalBlock()
validRound := cs1.ValidRound
chainID := cs1.state.ChainID
cs1.mtx.Unlock()
if block == nil {
panic("Failed to createProposalBlock. Did you forget to add commit for previous block?")
}
// Make proposal
polRound, propBlockID := validRound, types.BlockID{Hash: block.Hash(), PartsHeader: blockParts.Header()}
proposal = types.NewProposal(height, round, polRound, propBlockID)
if err := vs.SignProposal(chainID, proposal); err != nil {
panic(err)
}
return
}
func addVotes(to *ConsensusState, votes ...*types.Vote) {
for _, vote := range votes {
to.peerMsgQueue <- msgInfo{Msg: &VoteMessage{vote}}
}
}
func signAddVotes(
to *ConsensusState,
voteType types.SignedMsgType,
hash []byte,
header types.PartSetHeader,
vss ...*validatorStub) {
votes := signVotes(voteType, hash, header, vss...)
addVotes(to, votes...)
}
func validatePrevote(t *testing.T, cs *ConsensusState, round int, privVal *validatorStub, blockHash []byte) {
prevotes := cs.Votes.Prevotes(round)
address := privVal.GetPubKey().Address()
var vote *types.Vote
if vote = prevotes.GetByAddress(address); vote == nil {
panic("Failed to find prevote from validator")
}
if blockHash == nil {
if vote.BlockID.Hash != nil {
panic(fmt.Sprintf("Expected prevote to be for nil, got %X", vote.BlockID.Hash))
}
} else {
if !bytes.Equal(vote.BlockID.Hash, blockHash) {
panic(fmt.Sprintf("Expected prevote to be for %X, got %X", blockHash, vote.BlockID.Hash))
}
}
}
func validateLastPrecommit(t *testing.T, cs *ConsensusState, privVal *validatorStub, blockHash []byte) {
votes := cs.LastCommit
address := privVal.GetPubKey().Address()
var vote *types.Vote
if vote = votes.GetByAddress(address); vote == nil {
panic("Failed to find precommit from validator")
}
if !bytes.Equal(vote.BlockID.Hash, blockHash) {
panic(fmt.Sprintf("Expected precommit to be for %X, got %X", blockHash, vote.BlockID.Hash))
}
}
func validatePrecommit(
t *testing.T,
cs *ConsensusState,
thisRound,
lockRound int,
privVal *validatorStub,
votedBlockHash,
lockedBlockHash []byte) {
precommits := cs.Votes.Precommits(thisRound)
address := privVal.GetPubKey().Address()
var vote *types.Vote
if vote = precommits.GetByAddress(address); vote == nil {
panic("Failed to find precommit from validator")
}
if votedBlockHash == nil {
if vote.BlockID.Hash != nil {
panic("Expected precommit to be for nil")
}
} else {
if !bytes.Equal(vote.BlockID.Hash, votedBlockHash) {
panic("Expected precommit to be for proposal block")
}
}
if lockedBlockHash == nil {
if cs.LockedRound != lockRound || cs.LockedBlock != nil {
panic(fmt.Sprintf(
"Expected to be locked on nil at round %d. Got locked at round %d with block %v",
lockRound,
cs.LockedRound,
cs.LockedBlock))
}
} else {
if cs.LockedRound != lockRound || !bytes.Equal(cs.LockedBlock.Hash(), lockedBlockHash) {
panic(fmt.Sprintf(
"Expected block to be locked on round %d, got %d. Got locked block %X, expected %X",
lockRound,
cs.LockedRound,
cs.LockedBlock.Hash(),
lockedBlockHash))
}
}
}
func validatePrevoteAndPrecommit(
t *testing.T,
cs *ConsensusState,
thisRound,
lockRound int,
privVal *validatorStub,
votedBlockHash,
lockedBlockHash []byte) {
// verify the prevote
validatePrevote(t, cs, thisRound, privVal, votedBlockHash)
// verify precommit
cs.mtx.Lock()
validatePrecommit(t, cs, thisRound, lockRound, privVal, votedBlockHash, lockedBlockHash)
cs.mtx.Unlock()
}
func subscribeToVoter(cs *ConsensusState, addr []byte) <-chan tmpubsub.Message {
votesSub, err := cs.eventBus.SubscribeUnbuffered(context.Background(), testSubscriber, types.EventQueryVote)
if err != nil {
panic(fmt.Sprintf("failed to subscribe %s to %v", testSubscriber, types.EventQueryVote))
}
ch := make(chan tmpubsub.Message)
go func() {
for msg := range votesSub.Out() {
vote := msg.Data().(types.EventDataVote)
// we only fire for our own votes
if bytes.Equal(addr, vote.Vote.ValidatorAddress) {
ch <- msg
}
}
}()
return ch
}
//-------------------------------------------------------------------------------
// consensus states
func newConsensusState(state sm.State, pv types.PrivValidator, app abci.Application) *ConsensusState {
config := cfg.ResetTestRoot("consensus_state_test")
return newConsensusStateWithConfig(config, state, pv, app)
}
func newConsensusStateWithConfig(
thisConfig *cfg.Config,
state sm.State,
pv types.PrivValidator,
app abci.Application) *ConsensusState {
blockDB := dbm.NewMemDB()
return newConsensusStateWithConfigAndBlockStore(thisConfig, state, pv, app, blockDB)
}
func newConsensusStateWithConfigAndBlockStore(
thisConfig *cfg.Config,
state sm.State,
pv types.PrivValidator,
app abci.Application,
blockDB dbm.DB) *ConsensusState {
// Get BlockStore
blockStore := store.NewBlockStore(blockDB)
// one for mempool, one for consensus
mtx := new(sync.Mutex)
proxyAppConnMem := abcicli.NewLocalClient(mtx, app)
proxyAppConnCon := abcicli.NewLocalClient(mtx, app)
// Make Mempool
mempool := mempl.NewCListMempool(thisConfig.Mempool, proxyAppConnMem, 0)
mempool.SetLogger(log.TestingLogger().With("module", "mempool"))
if thisConfig.Consensus.WaitForTxs() {
mempool.EnableTxsAvailable()
}
// mock the evidence pool
evpool := sm.MockEvidencePool{}
// Make ConsensusState
stateDB := blockDB
sm.SaveState(stateDB, state) //for save height 1's validators info
blockExec := sm.NewBlockExecutor(stateDB, log.TestingLogger(), proxyAppConnCon, mempool, evpool)
cs := NewConsensusState(thisConfig.Consensus, state, blockExec, blockStore, mempool, evpool)
cs.SetLogger(log.TestingLogger().With("module", "consensus"))
cs.SetPrivValidator(pv)
eventBus := types.NewEventBus()
eventBus.SetLogger(log.TestingLogger().With("module", "events"))
eventBus.Start()
cs.SetEventBus(eventBus)
return cs
}
func loadPrivValidator(config *cfg.Config) *privval.FilePV {
privValidatorKeyFile := config.PrivValidatorKeyFile()
ensureDir(filepath.Dir(privValidatorKeyFile), 0700)
privValidatorStateFile := config.PrivValidatorStateFile()
privValidator := privval.LoadOrGenFilePV(privValidatorKeyFile, privValidatorStateFile)
privValidator.Reset()
return privValidator
}
func randConsensusState(nValidators int) (*ConsensusState, []*validatorStub) {
// Get State
state, privVals := randGenesisState(nValidators, false, 10)
vss := make([]*validatorStub, nValidators)
cs := newConsensusState(state, privVals[0], counter.NewCounterApplication(true))
for i := 0; i < nValidators; i++ {
vss[i] = NewValidatorStub(privVals[i], i)
}
// since cs1 starts at 1
incrementHeight(vss[1:]...)
return cs, vss
}
//-------------------------------------------------------------------------------
func ensureNoNewEvent(ch <-chan tmpubsub.Message, timeout time.Duration,
errorMessage string) {
select {
case <-time.After(timeout):
break
case <-ch:
panic(errorMessage)
}
}
func ensureNoNewEventOnChannel(ch <-chan tmpubsub.Message) {
ensureNoNewEvent(
ch,
ensureTimeout,
"We should be stuck waiting, not receiving new event on the channel")
}
func ensureNoNewRoundStep(stepCh <-chan tmpubsub.Message) {
ensureNoNewEvent(
stepCh,
ensureTimeout,
"We should be stuck waiting, not receiving NewRoundStep event")
}
func ensureNoNewUnlock(unlockCh <-chan tmpubsub.Message) {
ensureNoNewEvent(
unlockCh,
ensureTimeout,
"We should be stuck waiting, not receiving Unlock event")
}
func ensureNoNewTimeout(stepCh <-chan tmpubsub.Message, timeout int64) {
timeoutDuration := time.Duration(timeout*10) * time.Nanosecond
ensureNoNewEvent(
stepCh,
timeoutDuration,
"We should be stuck waiting, not receiving NewTimeout event")
}
func ensureNewEvent(ch <-chan tmpubsub.Message, height int64, round int, timeout time.Duration, errorMessage string) {
select {
case <-time.After(timeout):
panic(errorMessage)
case msg := <-ch:
roundStateEvent, ok := msg.Data().(types.EventDataRoundState)
if !ok {
panic(fmt.Sprintf("expected a EventDataRoundState, got %T. Wrong subscription channel?",
msg.Data()))
}
if roundStateEvent.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, roundStateEvent.Height))
}
if roundStateEvent.Round != round {
panic(fmt.Sprintf("expected round %v, got %v", round, roundStateEvent.Round))
}
// TODO: We could check also for a step at this point!
}
}
func ensureNewRound(roundCh <-chan tmpubsub.Message, height int64, round int) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewRound event")
case msg := <-roundCh:
newRoundEvent, ok := msg.Data().(types.EventDataNewRound)
if !ok {
panic(fmt.Sprintf("expected a EventDataNewRound, got %T. Wrong subscription channel?",
msg.Data()))
}
if newRoundEvent.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, newRoundEvent.Height))
}
if newRoundEvent.Round != round {
panic(fmt.Sprintf("expected round %v, got %v", round, newRoundEvent.Round))
}
}
}
func ensureNewTimeout(timeoutCh <-chan tmpubsub.Message, height int64, round int, timeout int64) {
timeoutDuration := time.Duration(timeout*10) * time.Nanosecond
ensureNewEvent(timeoutCh, height, round, timeoutDuration,
"Timeout expired while waiting for NewTimeout event")
}
func ensureNewProposal(proposalCh <-chan tmpubsub.Message, height int64, round int) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewProposal event")
case msg := <-proposalCh:
proposalEvent, ok := msg.Data().(types.EventDataCompleteProposal)
if !ok {
panic(fmt.Sprintf("expected a EventDataCompleteProposal, got %T. Wrong subscription channel?",
msg.Data()))
}
if proposalEvent.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, proposalEvent.Height))
}
if proposalEvent.Round != round {
panic(fmt.Sprintf("expected round %v, got %v", round, proposalEvent.Round))
}
}
}
func ensureNewValidBlock(validBlockCh <-chan tmpubsub.Message, height int64, round int) {
ensureNewEvent(validBlockCh, height, round, ensureTimeout,
"Timeout expired while waiting for NewValidBlock event")
}
func ensureNewBlock(blockCh <-chan tmpubsub.Message, height int64) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewBlock event")
case msg := <-blockCh:
blockEvent, ok := msg.Data().(types.EventDataNewBlock)
if !ok {
panic(fmt.Sprintf("expected a EventDataNewBlock, got %T. Wrong subscription channel?",
msg.Data()))
}
if blockEvent.Block.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, blockEvent.Block.Height))
}
}
}
func ensureNewBlockHeader(blockCh <-chan tmpubsub.Message, height int64, blockHash cmn.HexBytes) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewBlockHeader event")
case msg := <-blockCh:
blockHeaderEvent, ok := msg.Data().(types.EventDataNewBlockHeader)
if !ok {
panic(fmt.Sprintf("expected a EventDataNewBlockHeader, got %T. Wrong subscription channel?",
msg.Data()))
}
if blockHeaderEvent.Header.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, blockHeaderEvent.Header.Height))
}
if !bytes.Equal(blockHeaderEvent.Header.Hash(), blockHash) {
panic(fmt.Sprintf("expected header %X, got %X", blockHash, blockHeaderEvent.Header.Hash()))
}
}
}
func ensureNewUnlock(unlockCh <-chan tmpubsub.Message, height int64, round int) {
ensureNewEvent(unlockCh, height, round, ensureTimeout,
"Timeout expired while waiting for NewUnlock event")
}
func ensureProposal(proposalCh <-chan tmpubsub.Message, height int64, round int, propID types.BlockID) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewProposal event")
case msg := <-proposalCh:
proposalEvent, ok := msg.Data().(types.EventDataCompleteProposal)
if !ok {
panic(fmt.Sprintf("expected a EventDataCompleteProposal, got %T. Wrong subscription channel?",
msg.Data()))
}
if proposalEvent.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, proposalEvent.Height))
}
if proposalEvent.Round != round {
panic(fmt.Sprintf("expected round %v, got %v", round, proposalEvent.Round))
}
if !proposalEvent.BlockID.Equals(propID) {
panic("Proposed block does not match expected block")
}
}
}
func ensurePrecommit(voteCh <-chan tmpubsub.Message, height int64, round int) {
ensureVote(voteCh, height, round, types.PrecommitType)
}
func ensurePrevote(voteCh <-chan tmpubsub.Message, height int64, round int) {
ensureVote(voteCh, height, round, types.PrevoteType)
}
func ensureVote(voteCh <-chan tmpubsub.Message, height int64, round int,
voteType types.SignedMsgType) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for NewVote event")
case msg := <-voteCh:
voteEvent, ok := msg.Data().(types.EventDataVote)
if !ok {
panic(fmt.Sprintf("expected a EventDataVote, got %T. Wrong subscription channel?",
msg.Data()))
}
vote := voteEvent.Vote
if vote.Height != height {
panic(fmt.Sprintf("expected height %v, got %v", height, vote.Height))
}
if vote.Round != round {
panic(fmt.Sprintf("expected round %v, got %v", round, vote.Round))
}
if vote.Type != voteType {
panic(fmt.Sprintf("expected type %v, got %v", voteType, vote.Type))
}
}
}
func ensureNewEventOnChannel(ch <-chan tmpubsub.Message) {
select {
case <-time.After(ensureTimeout):
panic("Timeout expired while waiting for new activity on the channel")
case <-ch:
}
}
//-------------------------------------------------------------------------------
// consensus nets
// consensusLogger is a TestingLogger which uses a different
// color for each validator ("validator" key must exist).
func consensusLogger() log.Logger {
return log.TestingLoggerWithColorFn(func(keyvals ...interface{}) term.FgBgColor {
for i := 0; i < len(keyvals)-1; i += 2 {
if keyvals[i] == "validator" {
return term.FgBgColor{Fg: term.Color(uint8(keyvals[i+1].(int) + 1))}
}
}
return term.FgBgColor{}
}).With("module", "consensus")
}
func randConsensusNet(nValidators int, testName string, tickerFunc func() TimeoutTicker,
appFunc func() abci.Application, configOpts ...func(*cfg.Config)) ([]*ConsensusState, cleanupFunc) {
genDoc, privVals := randGenesisDoc(nValidators, false, 30)
css := make([]*ConsensusState, nValidators)
logger := consensusLogger()
configRootDirs := make([]string, 0, nValidators)
for i := 0; i < nValidators; i++ {
stateDB := dbm.NewMemDB() // each state needs its own db
state, _ := sm.LoadStateFromDBOrGenesisDoc(stateDB, genDoc)
thisConfig := ResetConfig(fmt.Sprintf("%s_%d", testName, i))
configRootDirs = append(configRootDirs, thisConfig.RootDir)
for _, opt := range configOpts {
opt(thisConfig)
}
ensureDir(filepath.Dir(thisConfig.Consensus.WalFile()), 0700) // dir for wal
app := appFunc()
vals := types.TM2PB.ValidatorUpdates(state.Validators)
app.InitChain(abci.RequestInitChain{Validators: vals})
css[i] = newConsensusStateWithConfigAndBlockStore(thisConfig, state, privVals[i], app, stateDB)
css[i].SetTimeoutTicker(tickerFunc())
css[i].SetLogger(logger.With("validator", i, "module", "consensus"))
}
return css, func() {
for _, dir := range configRootDirs {
os.RemoveAll(dir)
}
}
}
// nPeers = nValidators + nNotValidator
func randConsensusNetWithPeers(
nValidators,
nPeers int,
testName string,
tickerFunc func() TimeoutTicker,
appFunc func(string) abci.Application) ([]*ConsensusState, *types.GenesisDoc, *cfg.Config, cleanupFunc) {
genDoc, privVals := randGenesisDoc(nValidators, false, testMinPower)
css := make([]*ConsensusState, nPeers)
logger := consensusLogger()
var peer0Config *cfg.Config
configRootDirs := make([]string, 0, nPeers)
for i := 0; i < nPeers; i++ {
stateDB := dbm.NewMemDB() // each state needs its own db
state, _ := sm.LoadStateFromDBOrGenesisDoc(stateDB, genDoc)
thisConfig := ResetConfig(fmt.Sprintf("%s_%d", testName, i))
configRootDirs = append(configRootDirs, thisConfig.RootDir)
ensureDir(filepath.Dir(thisConfig.Consensus.WalFile()), 0700) // dir for wal
if i == 0 {
peer0Config = thisConfig
}
var privVal types.PrivValidator
if i < nValidators {
privVal = privVals[i]
} else {
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
if err != nil {
panic(err)
}
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
if err != nil {
panic(err)
}
privVal = privval.GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
}
app := appFunc(path.Join(config.DBDir(), fmt.Sprintf("%s_%d", testName, i)))
vals := types.TM2PB.ValidatorUpdates(state.Validators)
if _, ok := app.(*kvstore.PersistentKVStoreApplication); ok {
// simulate handshake, receive app version. If don't do this, replay test will fail
state.Version.Consensus.App = kvstore.ProtocolVersion
}
app.InitChain(abci.RequestInitChain{Validators: vals})
//sm.SaveState(stateDB,state) //height 1's validatorsInfo already saved in LoadStateFromDBOrGenesisDoc above
css[i] = newConsensusStateWithConfig(thisConfig, state, privVal, app)
css[i].SetTimeoutTicker(tickerFunc())
css[i].SetLogger(logger.With("validator", i, "module", "consensus"))
}
return css, genDoc, peer0Config, func() {
for _, dir := range configRootDirs {
os.RemoveAll(dir)
}
}
}
func getSwitchIndex(switches []*p2p.Switch, peer p2p.Peer) int {
for i, s := range switches {
if peer.NodeInfo().ID() == s.NodeInfo().ID() {
return i
}
}
panic("didnt find peer in switches")
}
//-------------------------------------------------------------------------------
// genesis
func randGenesisDoc(numValidators int, randPower bool, minPower int64) (*types.GenesisDoc, []types.PrivValidator) {
validators := make([]types.GenesisValidator, numValidators)
privValidators := make([]types.PrivValidator, numValidators)
for i := 0; i < numValidators; i++ {
val, privVal := types.RandValidator(randPower, minPower)
validators[i] = types.GenesisValidator{
PubKey: val.PubKey,
Power: val.VotingPower,
}
privValidators[i] = privVal
}
sort.Sort(types.PrivValidatorsByAddress(privValidators))
return &types.GenesisDoc{
GenesisTime: tmtime.Now(),
ChainID: config.ChainID(),
Validators: validators,
}, privValidators
}
func randGenesisState(numValidators int, randPower bool, minPower int64) (sm.State, []types.PrivValidator) {
genDoc, privValidators := randGenesisDoc(numValidators, randPower, minPower)
s0, _ := sm.MakeGenesisState(genDoc)
return s0, privValidators
}
//------------------------------------
// mock ticker
func newMockTickerFunc(onlyOnce bool) func() TimeoutTicker {
return func() TimeoutTicker {
return &mockTicker{
c: make(chan timeoutInfo, 10),
onlyOnce: onlyOnce,
}
}
}
// mock ticker only fires on RoundStepNewHeight
// and only once if onlyOnce=true
type mockTicker struct {
c chan timeoutInfo
mtx sync.Mutex
onlyOnce bool
fired bool
}
func (m *mockTicker) Start() error {
return nil
}
func (m *mockTicker) Stop() error {
return nil
}
func (m *mockTicker) ScheduleTimeout(ti timeoutInfo) {
m.mtx.Lock()
defer m.mtx.Unlock()
if m.onlyOnce && m.fired {
return
}
if ti.Step == cstypes.RoundStepNewHeight {
m.c <- ti
m.fired = true
}
}
func (m *mockTicker) Chan() <-chan timeoutInfo {
return m.c
}
func (*mockTicker) SetLogger(log.Logger) {}
//------------------------------------
func newCounter() abci.Application {
return counter.NewCounterApplication(true)
}
func newPersistentKVStore() abci.Application {
dir, err := ioutil.TempDir("", "persistent-kvstore")
if err != nil {
panic(err)
}
return kvstore.NewPersistentKVStoreApplication(dir)
}
func newPersistentKVStoreWithPath(dbDir string) abci.Application {
return kvstore.NewPersistentKVStoreApplication(dbDir)
}