You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
391 lines
14 KiB
391 lines
14 KiB
package consensus
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"runtime/pprof"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/tendermint/abci/example/dummy"
|
|
|
|
cfg "github.com/tendermint/tendermint/config"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
"github.com/tendermint/tendermint/types"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func init() {
|
|
config = ResetConfig("consensus_reactor_test")
|
|
}
|
|
|
|
//----------------------------------------------
|
|
// in-process testnets
|
|
|
|
func startConsensusNet(t *testing.T, css []*ConsensusState, N int) ([]*ConsensusReactor, []chan interface{}, []*types.EventBus) {
|
|
reactors := make([]*ConsensusReactor, N)
|
|
eventChans := make([]chan interface{}, N)
|
|
eventBuses := make([]*types.EventBus, N)
|
|
logger := consensusLogger()
|
|
for i := 0; i < N; i++ {
|
|
/*thisLogger, err := tmflags.ParseLogLevel("consensus:info,*:error", logger, "info")
|
|
if err != nil { t.Fatal(err)}*/
|
|
thisLogger := logger
|
|
|
|
reactors[i] = NewConsensusReactor(css[i], true) // so we dont start the consensus states
|
|
reactors[i].conS.SetLogger(thisLogger.With("validator", i))
|
|
reactors[i].SetLogger(thisLogger.With("validator", i))
|
|
|
|
eventBuses[i] = types.NewEventBus()
|
|
eventBuses[i].SetLogger(thisLogger.With("module", "events", "validator", i))
|
|
_, err := eventBuses[i].Start()
|
|
require.NoError(t, err)
|
|
|
|
reactors[i].SetEventBus(eventBuses[i])
|
|
|
|
eventChans[i] = make(chan interface{}, 1)
|
|
err = eventBuses[i].Subscribe(context.Background(), testSubscriber, types.EventQueryNewBlock, eventChans[i])
|
|
require.NoError(t, err)
|
|
}
|
|
// make connected switches and start all reactors
|
|
p2p.MakeConnectedSwitches(config.P2P, N, func(i int, s *p2p.Switch) *p2p.Switch {
|
|
s.AddReactor("CONSENSUS", reactors[i])
|
|
return s
|
|
}, p2p.Connect2Switches)
|
|
|
|
// now that everyone is connected, start the state machines
|
|
// If we started the state machines before everyone was connected,
|
|
// we'd block when the cs fires NewBlockEvent and the peers are trying to start their reactors
|
|
// TODO: is this still true with new pubsub?
|
|
for i := 0; i < N; i++ {
|
|
s := reactors[i].conS.GetState()
|
|
reactors[i].SwitchToConsensus(s, 0)
|
|
}
|
|
return reactors, eventChans, eventBuses
|
|
}
|
|
|
|
func stopConsensusNet(reactors []*ConsensusReactor, eventBuses []*types.EventBus) {
|
|
for _, r := range reactors {
|
|
r.Switch.Stop()
|
|
}
|
|
for _, b := range eventBuses {
|
|
b.Stop()
|
|
}
|
|
}
|
|
|
|
// Ensure a testnet makes blocks
|
|
func TestReactor(t *testing.T) {
|
|
N := 4
|
|
css := randConsensusNet(N, "consensus_reactor_test", newMockTickerFunc(true), newCounter)
|
|
reactors, eventChans, eventBuses := startConsensusNet(t, css, N)
|
|
defer stopConsensusNet(reactors, eventBuses)
|
|
// wait till everyone makes the first new block
|
|
timeoutWaitGroup(t, N, func(wg *sync.WaitGroup, j int) {
|
|
<-eventChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
}
|
|
|
|
// Ensure a testnet sends proposal heartbeats and makes blocks when there are txs
|
|
func TestReactorProposalHeartbeats(t *testing.T) {
|
|
N := 4
|
|
css := randConsensusNet(N, "consensus_reactor_test", newMockTickerFunc(true), newCounter,
|
|
func(c *cfg.Config) {
|
|
c.Consensus.CreateEmptyBlocks = false
|
|
})
|
|
reactors, eventChans, eventBuses := startConsensusNet(t, css, N)
|
|
defer stopConsensusNet(reactors, eventBuses)
|
|
heartbeatChans := make([]chan interface{}, N)
|
|
var err error
|
|
for i := 0; i < N; i++ {
|
|
heartbeatChans[i] = make(chan interface{}, 1)
|
|
err = eventBuses[i].Subscribe(context.Background(), testSubscriber, types.EventQueryProposalHeartbeat, heartbeatChans[i])
|
|
require.NoError(t, err)
|
|
}
|
|
// wait till everyone sends a proposal heartbeat
|
|
timeoutWaitGroup(t, N, func(wg *sync.WaitGroup, j int) {
|
|
<-heartbeatChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
|
|
// send a tx
|
|
if err := css[3].mempool.CheckTx([]byte{1, 2, 3}, nil); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// wait till everyone makes the first new block
|
|
timeoutWaitGroup(t, N, func(wg *sync.WaitGroup, j int) {
|
|
<-eventChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
}
|
|
|
|
//-------------------------------------------------------------
|
|
// ensure we can make blocks despite cycling a validator set
|
|
|
|
func TestVotingPowerChange(t *testing.T) {
|
|
nVals := 4
|
|
css := randConsensusNet(nVals, "consensus_voting_power_changes_test", newMockTickerFunc(true), newPersistentDummy)
|
|
reactors, eventChans, eventBuses := startConsensusNet(t, css, nVals)
|
|
defer stopConsensusNet(reactors, eventBuses)
|
|
|
|
// map of active validators
|
|
activeVals := make(map[string]struct{})
|
|
for i := 0; i < nVals; i++ {
|
|
activeVals[string(css[i].privValidator.GetAddress())] = struct{}{}
|
|
}
|
|
|
|
// wait till everyone makes block 1
|
|
timeoutWaitGroup(t, nVals, func(wg *sync.WaitGroup, j int) {
|
|
<-eventChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
|
|
//---------------------------------------------------------------------------
|
|
t.Log("---------------------------- Testing changing the voting power of one validator a few times")
|
|
|
|
val1PubKey := css[0].privValidator.GetPubKey()
|
|
updateValidatorTx := dummy.MakeValSetChangeTx(val1PubKey.Bytes(), 25)
|
|
previousTotalVotingPower := css[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css, updateValidatorTx)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
|
|
if css[0].GetRoundState().LastValidators.TotalVotingPower() == previousTotalVotingPower {
|
|
t.Fatalf("expected voting power to change (before: %d, after: %d)", previousTotalVotingPower, css[0].GetRoundState().LastValidators.TotalVotingPower())
|
|
}
|
|
|
|
updateValidatorTx = dummy.MakeValSetChangeTx(val1PubKey.Bytes(), 2)
|
|
previousTotalVotingPower = css[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css, updateValidatorTx)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
|
|
if css[0].GetRoundState().LastValidators.TotalVotingPower() == previousTotalVotingPower {
|
|
t.Fatalf("expected voting power to change (before: %d, after: %d)", previousTotalVotingPower, css[0].GetRoundState().LastValidators.TotalVotingPower())
|
|
}
|
|
|
|
updateValidatorTx = dummy.MakeValSetChangeTx(val1PubKey.Bytes(), 100)
|
|
previousTotalVotingPower = css[0].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css, updateValidatorTx)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nVals, activeVals, eventChans, css)
|
|
|
|
if css[0].GetRoundState().LastValidators.TotalVotingPower() == previousTotalVotingPower {
|
|
t.Fatalf("expected voting power to change (before: %d, after: %d)", previousTotalVotingPower, css[0].GetRoundState().LastValidators.TotalVotingPower())
|
|
}
|
|
}
|
|
|
|
func TestValidatorSetChanges(t *testing.T) {
|
|
nPeers := 7
|
|
nVals := 4
|
|
css := randConsensusNetWithPeers(nVals, nPeers, "consensus_val_set_changes_test", newMockTickerFunc(true), newPersistentDummy)
|
|
|
|
reactors, eventChans, eventBuses := startConsensusNet(t, css, nPeers)
|
|
defer stopConsensusNet(reactors, eventBuses)
|
|
|
|
// map of active validators
|
|
activeVals := make(map[string]struct{})
|
|
for i := 0; i < nVals; i++ {
|
|
activeVals[string(css[i].privValidator.GetAddress())] = struct{}{}
|
|
}
|
|
|
|
// wait till everyone makes block 1
|
|
timeoutWaitGroup(t, nPeers, func(wg *sync.WaitGroup, j int) {
|
|
<-eventChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
|
|
//---------------------------------------------------------------------------
|
|
t.Log("---------------------------- Testing adding one validator")
|
|
|
|
newValidatorPubKey1 := css[nVals].privValidator.GetPubKey()
|
|
newValidatorTx1 := dummy.MakeValSetChangeTx(newValidatorPubKey1.Bytes(), uint64(testMinPower))
|
|
|
|
// wait till everyone makes block 2
|
|
// ensure the commit includes all validators
|
|
// send newValTx to change vals in block 3
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css, newValidatorTx1)
|
|
|
|
// wait till everyone makes block 3.
|
|
// it includes the commit for block 2, which is by the original validator set
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
|
|
// wait till everyone makes block 4.
|
|
// it includes the commit for block 3, which is by the original validator set
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
|
|
// the commits for block 4 should be with the updated validator set
|
|
activeVals[string(newValidatorPubKey1.Address())] = struct{}{}
|
|
|
|
// wait till everyone makes block 5
|
|
// it includes the commit for block 4, which should have the updated validator set
|
|
waitForBlockWithUpdatedValsAndValidateIt(t, nPeers, activeVals, eventChans, css)
|
|
|
|
//---------------------------------------------------------------------------
|
|
t.Log("---------------------------- Testing changing the voting power of one validator")
|
|
|
|
updateValidatorPubKey1 := css[nVals].privValidator.GetPubKey()
|
|
updateValidatorTx1 := dummy.MakeValSetChangeTx(updateValidatorPubKey1.Bytes(), 25)
|
|
previousTotalVotingPower := css[nVals].GetRoundState().LastValidators.TotalVotingPower()
|
|
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css, updateValidatorTx1)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
waitForBlockWithUpdatedValsAndValidateIt(t, nPeers, activeVals, eventChans, css)
|
|
|
|
if css[nVals].GetRoundState().LastValidators.TotalVotingPower() == previousTotalVotingPower {
|
|
t.Errorf("expected voting power to change (before: %d, after: %d)", previousTotalVotingPower, css[nVals].GetRoundState().LastValidators.TotalVotingPower())
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
t.Log("---------------------------- Testing adding two validators at once")
|
|
|
|
newValidatorPubKey2 := css[nVals+1].privValidator.GetPubKey()
|
|
newValidatorTx2 := dummy.MakeValSetChangeTx(newValidatorPubKey2.Bytes(), uint64(testMinPower))
|
|
|
|
newValidatorPubKey3 := css[nVals+2].privValidator.GetPubKey()
|
|
newValidatorTx3 := dummy.MakeValSetChangeTx(newValidatorPubKey3.Bytes(), uint64(testMinPower))
|
|
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css, newValidatorTx2, newValidatorTx3)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
activeVals[string(newValidatorPubKey2.Address())] = struct{}{}
|
|
activeVals[string(newValidatorPubKey3.Address())] = struct{}{}
|
|
waitForBlockWithUpdatedValsAndValidateIt(t, nPeers, activeVals, eventChans, css)
|
|
|
|
//---------------------------------------------------------------------------
|
|
t.Log("---------------------------- Testing removing two validators at once")
|
|
|
|
removeValidatorTx2 := dummy.MakeValSetChangeTx(newValidatorPubKey2.Bytes(), 0)
|
|
removeValidatorTx3 := dummy.MakeValSetChangeTx(newValidatorPubKey3.Bytes(), 0)
|
|
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css, removeValidatorTx2, removeValidatorTx3)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
waitForAndValidateBlock(t, nPeers, activeVals, eventChans, css)
|
|
delete(activeVals, string(newValidatorPubKey2.Address()))
|
|
delete(activeVals, string(newValidatorPubKey3.Address()))
|
|
waitForBlockWithUpdatedValsAndValidateIt(t, nPeers, activeVals, eventChans, css)
|
|
}
|
|
|
|
// Check we can make blocks with skip_timeout_commit=false
|
|
func TestReactorWithTimeoutCommit(t *testing.T) {
|
|
N := 4
|
|
css := randConsensusNet(N, "consensus_reactor_with_timeout_commit_test", newMockTickerFunc(false), newCounter)
|
|
// override default SkipTimeoutCommit == true for tests
|
|
for i := 0; i < N; i++ {
|
|
css[i].config.SkipTimeoutCommit = false
|
|
}
|
|
|
|
reactors, eventChans, eventBuses := startConsensusNet(t, css, N-1)
|
|
defer stopConsensusNet(reactors, eventBuses)
|
|
|
|
// wait till everyone makes the first new block
|
|
timeoutWaitGroup(t, N-1, func(wg *sync.WaitGroup, j int) {
|
|
<-eventChans[j]
|
|
wg.Done()
|
|
}, css)
|
|
}
|
|
|
|
func waitForAndValidateBlock(t *testing.T, n int, activeVals map[string]struct{}, eventChans []chan interface{}, css []*ConsensusState, txs ...[]byte) {
|
|
timeoutWaitGroup(t, n, func(wg *sync.WaitGroup, j int) {
|
|
defer wg.Done()
|
|
|
|
newBlockI, ok := <-eventChans[j]
|
|
if !ok {
|
|
return
|
|
}
|
|
newBlock := newBlockI.(types.TMEventData).Unwrap().(types.EventDataNewBlock).Block
|
|
t.Logf("Got block height=%v validator=%v", newBlock.Height, j)
|
|
err := validateBlock(newBlock, activeVals)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, tx := range txs {
|
|
if err = css[j].mempool.CheckTx(tx, nil); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}, css)
|
|
}
|
|
|
|
func waitForBlockWithUpdatedValsAndValidateIt(t *testing.T, n int, updatedVals map[string]struct{}, eventChans []chan interface{}, css []*ConsensusState) {
|
|
timeoutWaitGroup(t, n, func(wg *sync.WaitGroup, j int) {
|
|
defer wg.Done()
|
|
|
|
var newBlock *types.Block
|
|
LOOP:
|
|
for {
|
|
newBlockI, ok := <-eventChans[j]
|
|
if !ok {
|
|
return
|
|
}
|
|
newBlock = newBlockI.(types.TMEventData).Unwrap().(types.EventDataNewBlock).Block
|
|
if newBlock.LastCommit.Size() == len(updatedVals) {
|
|
t.Logf("Block with new validators height=%v validator=%v", newBlock.Height, j)
|
|
break LOOP
|
|
} else {
|
|
t.Logf("Block with no new validators height=%v validator=%v. Skipping...", newBlock.Height, j)
|
|
}
|
|
}
|
|
|
|
err := validateBlock(newBlock, updatedVals)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}, css)
|
|
}
|
|
|
|
// expects high synchrony!
|
|
func validateBlock(block *types.Block, activeVals map[string]struct{}) error {
|
|
if block.LastCommit.Size() != len(activeVals) {
|
|
return fmt.Errorf("Commit size doesn't match number of active validators. Got %d, expected %d", block.LastCommit.Size(), len(activeVals))
|
|
}
|
|
|
|
for _, vote := range block.LastCommit.Precommits {
|
|
if _, ok := activeVals[string(vote.ValidatorAddress)]; !ok {
|
|
return fmt.Errorf("Found vote for unactive validator %X", vote.ValidatorAddress)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func timeoutWaitGroup(t *testing.T, n int, f func(*sync.WaitGroup, int), css []*ConsensusState) {
|
|
wg := new(sync.WaitGroup)
|
|
wg.Add(n)
|
|
for i := 0; i < n; i++ {
|
|
go f(wg, i)
|
|
}
|
|
|
|
done := make(chan struct{})
|
|
go func() {
|
|
wg.Wait()
|
|
close(done)
|
|
}()
|
|
|
|
// we're running many nodes in-process, possibly in in a virtual machine,
|
|
// and spewing debug messages - making a block could take a while,
|
|
timeout := time.Second * 60
|
|
|
|
select {
|
|
case <-done:
|
|
case <-time.After(timeout):
|
|
for i, cs := range css {
|
|
t.Log("#################")
|
|
t.Log("Validator", i)
|
|
t.Log(cs.GetRoundState())
|
|
t.Log("")
|
|
}
|
|
pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
|
|
panic("Timed out waiting for all validators to commit a block")
|
|
}
|
|
}
|