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.
1288 lines
39 KiB
1288 lines
39 KiB
package consensus
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"math/rand"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"sort"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"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"
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
"github.com/tendermint/tendermint/config"
|
|
"github.com/tendermint/tendermint/crypto"
|
|
"github.com/tendermint/tendermint/crypto/encoding"
|
|
"github.com/tendermint/tendermint/internal/mempool"
|
|
"github.com/tendermint/tendermint/internal/proxy"
|
|
sm "github.com/tendermint/tendermint/internal/state"
|
|
sf "github.com/tendermint/tendermint/internal/state/test/factory"
|
|
"github.com/tendermint/tendermint/internal/store"
|
|
"github.com/tendermint/tendermint/internal/test/factory"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
"github.com/tendermint/tendermint/libs/pubsub"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
"github.com/tendermint/tendermint/privval"
|
|
tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
// These tests ensure we can always recover from failure at any part of the consensus process.
|
|
// There are two general failure scenarios: failure during consensus, and failure while applying the block.
|
|
// Only the latter interacts with the app and store,
|
|
// but the former has to deal with restrictions on re-use of priv_validator keys.
|
|
// The `WAL Tests` are for failures during the consensus;
|
|
// the `Handshake Tests` are for failures in applying the block.
|
|
// With the help of the WAL, we can recover from it all!
|
|
|
|
//------------------------------------------------------------------------------------------
|
|
// WAL Tests
|
|
|
|
// TODO: It would be better to verify explicitly which states we can recover from without the wal
|
|
// and which ones we need the wal for - then we'd also be able to only flush the
|
|
// wal writer when we need to, instead of with every message.
|
|
|
|
func startNewStateAndWaitForBlock(t *testing.T, consensusReplayConfig *config.Config,
|
|
lastBlockHeight int64, blockDB dbm.DB, stateStore sm.Store) {
|
|
logger := log.TestingLogger()
|
|
state, err := sm.MakeGenesisStateFromFile(consensusReplayConfig.GenesisFile())
|
|
require.NoError(t, err)
|
|
privValidator := loadPrivValidator(consensusReplayConfig)
|
|
blockStore := store.NewBlockStore(dbm.NewMemDB())
|
|
cs := newStateWithConfigAndBlockStore(
|
|
consensusReplayConfig,
|
|
state,
|
|
privValidator,
|
|
kvstore.NewApplication(),
|
|
blockStore,
|
|
)
|
|
cs.SetLogger(logger)
|
|
|
|
bytes, _ := os.ReadFile(cs.config.WalFile())
|
|
t.Logf("====== WAL: \n\r%X\n", bytes)
|
|
|
|
err = cs.Start()
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
if err := cs.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}()
|
|
|
|
// This is just a signal that we haven't halted; its not something contained
|
|
// in the WAL itself. Assuming the consensus state is running, replay of any
|
|
// WAL, including the empty one, should eventually be followed by a new
|
|
// block, or else something is wrong.
|
|
newBlockSub, err := cs.eventBus.SubscribeWithArgs(context.Background(), pubsub.SubscribeArgs{
|
|
ClientID: testSubscriber,
|
|
Query: types.EventQueryNewBlock,
|
|
})
|
|
require.NoError(t, err)
|
|
ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
|
|
defer cancel()
|
|
_, err = newBlockSub.Next(ctx)
|
|
if errors.Is(err, context.DeadlineExceeded) {
|
|
t.Fatal("Timed out waiting for new block (see trace above)")
|
|
} else if err != nil {
|
|
t.Fatal("newBlockSub was canceled")
|
|
}
|
|
}
|
|
|
|
func sendTxs(ctx context.Context, cs *State) {
|
|
for i := 0; i < 256; i++ {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
default:
|
|
tx := []byte{byte(i)}
|
|
if err := assertMempool(cs.txNotifier).CheckTx(context.Background(), tx, nil, mempool.TxInfo{}); err != nil {
|
|
panic(err)
|
|
}
|
|
i++
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestWALCrash uses crashing WAL to test we can recover from any WAL failure.
|
|
func TestWALCrash(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
initFn func(dbm.DB, *State, context.Context)
|
|
heightToStop int64
|
|
}{
|
|
{"empty block",
|
|
func(stateDB dbm.DB, cs *State, ctx context.Context) {},
|
|
1},
|
|
{"many non-empty blocks",
|
|
func(stateDB dbm.DB, cs *State, ctx context.Context) {
|
|
go sendTxs(ctx, cs)
|
|
},
|
|
3},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
consensusReplayConfig, err := ResetConfig(tc.name)
|
|
require.NoError(t, err)
|
|
crashWALandCheckLiveness(t, consensusReplayConfig, tc.initFn, tc.heightToStop)
|
|
})
|
|
}
|
|
}
|
|
|
|
func crashWALandCheckLiveness(t *testing.T, consensusReplayConfig *config.Config,
|
|
initFn func(dbm.DB, *State, context.Context), heightToStop int64) {
|
|
walPanicked := make(chan error)
|
|
crashingWal := &crashingWAL{panicCh: walPanicked, heightToStop: heightToStop}
|
|
|
|
i := 1
|
|
LOOP:
|
|
for {
|
|
t.Logf("====== LOOP %d\n", i)
|
|
|
|
// create consensus state from a clean slate
|
|
logger := log.NewNopLogger()
|
|
blockDB := dbm.NewMemDB()
|
|
stateDB := dbm.NewMemDB()
|
|
stateStore := sm.NewStore(stateDB)
|
|
blockStore := store.NewBlockStore(blockDB)
|
|
state, err := sm.MakeGenesisStateFromFile(consensusReplayConfig.GenesisFile())
|
|
require.NoError(t, err)
|
|
privValidator := loadPrivValidator(consensusReplayConfig)
|
|
cs := newStateWithConfigAndBlockStore(
|
|
consensusReplayConfig,
|
|
state,
|
|
privValidator,
|
|
kvstore.NewApplication(),
|
|
blockStore,
|
|
)
|
|
cs.SetLogger(logger)
|
|
|
|
// start sending transactions
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
initFn(stateDB, cs, ctx)
|
|
|
|
// clean up WAL file from the previous iteration
|
|
walFile := cs.config.WalFile()
|
|
os.Remove(walFile)
|
|
|
|
// set crashing WAL
|
|
csWal, err := cs.OpenWAL(walFile)
|
|
require.NoError(t, err)
|
|
crashingWal.next = csWal
|
|
|
|
// reset the message counter
|
|
crashingWal.msgIndex = 1
|
|
cs.wal = crashingWal
|
|
|
|
// start consensus state
|
|
err = cs.Start()
|
|
require.NoError(t, err)
|
|
|
|
i++
|
|
|
|
select {
|
|
case err := <-walPanicked:
|
|
t.Logf("WAL panicked: %v", err)
|
|
|
|
// make sure we can make blocks after a crash
|
|
startNewStateAndWaitForBlock(t, consensusReplayConfig, cs.Height, blockDB, stateStore)
|
|
|
|
// stop consensus state and transactions sender (initFn)
|
|
cs.Stop() //nolint:errcheck // Logging this error causes failure
|
|
cancel()
|
|
|
|
// if we reached the required height, exit
|
|
if _, ok := err.(ReachedHeightToStopError); ok {
|
|
break LOOP
|
|
}
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatal("WAL did not panic for 10 seconds (check the log)")
|
|
}
|
|
}
|
|
}
|
|
|
|
// crashingWAL is a WAL which crashes or rather simulates a crash during Save
|
|
// (before and after). It remembers a message for which we last panicked
|
|
// (lastPanickedForMsgIndex), so we don't panic for it in subsequent iterations.
|
|
type crashingWAL struct {
|
|
next WAL
|
|
panicCh chan error
|
|
heightToStop int64
|
|
|
|
msgIndex int // current message index
|
|
lastPanickedForMsgIndex int // last message for which we panicked
|
|
}
|
|
|
|
var _ WAL = &crashingWAL{}
|
|
|
|
// WALWriteError indicates a WAL crash.
|
|
type WALWriteError struct {
|
|
msg string
|
|
}
|
|
|
|
func (e WALWriteError) Error() string {
|
|
return e.msg
|
|
}
|
|
|
|
// ReachedHeightToStopError indicates we've reached the required consensus
|
|
// height and may exit.
|
|
type ReachedHeightToStopError struct {
|
|
height int64
|
|
}
|
|
|
|
func (e ReachedHeightToStopError) Error() string {
|
|
return fmt.Sprintf("reached height to stop %d", e.height)
|
|
}
|
|
|
|
// Write simulate WAL's crashing by sending an error to the panicCh and then
|
|
// exiting the cs.receiveRoutine.
|
|
func (w *crashingWAL) Write(m WALMessage) error {
|
|
if endMsg, ok := m.(EndHeightMessage); ok {
|
|
if endMsg.Height == w.heightToStop {
|
|
w.panicCh <- ReachedHeightToStopError{endMsg.Height}
|
|
runtime.Goexit()
|
|
return nil
|
|
}
|
|
|
|
return w.next.Write(m)
|
|
}
|
|
|
|
if w.msgIndex > w.lastPanickedForMsgIndex {
|
|
w.lastPanickedForMsgIndex = w.msgIndex
|
|
_, file, line, _ := runtime.Caller(1)
|
|
w.panicCh <- WALWriteError{fmt.Sprintf("failed to write %T to WAL (fileline: %s:%d)", m, file, line)}
|
|
runtime.Goexit()
|
|
return nil
|
|
}
|
|
|
|
w.msgIndex++
|
|
return w.next.Write(m)
|
|
}
|
|
|
|
func (w *crashingWAL) WriteSync(m WALMessage) error {
|
|
return w.Write(m)
|
|
}
|
|
|
|
func (w *crashingWAL) FlushAndSync() error { return w.next.FlushAndSync() }
|
|
|
|
func (w *crashingWAL) SearchForEndHeight(
|
|
height int64,
|
|
options *WALSearchOptions) (rd io.ReadCloser, found bool, err error) {
|
|
return w.next.SearchForEndHeight(height, options)
|
|
}
|
|
|
|
func (w *crashingWAL) Start() error { return w.next.Start() }
|
|
func (w *crashingWAL) Stop() error { return w.next.Stop() }
|
|
func (w *crashingWAL) Wait() { w.next.Wait() }
|
|
|
|
//------------------------------------------------------------------------------------------
|
|
type simulatorTestSuite struct {
|
|
GenesisState sm.State
|
|
Config *config.Config
|
|
Chain []*types.Block
|
|
Commits []*types.Commit
|
|
CleanupFunc cleanupFunc
|
|
|
|
Mempool mempool.Mempool
|
|
Evpool sm.EvidencePool
|
|
}
|
|
|
|
const (
|
|
numBlocks = 6
|
|
)
|
|
|
|
//---------------------------------------
|
|
// Test handshake/replay
|
|
|
|
// 0 - all synced up
|
|
// 1 - saved block but app and state are behind
|
|
// 2 - save block and committed but state is behind
|
|
// 3 - save block and committed with truncated block store and state behind
|
|
var modes = []uint{0, 1, 2, 3}
|
|
|
|
// This is actually not a test, it's for storing validator change tx data for testHandshakeReplay
|
|
func setupSimulator(t *testing.T) *simulatorTestSuite {
|
|
t.Helper()
|
|
cfg := configSetup(t)
|
|
|
|
sim := &simulatorTestSuite{
|
|
Mempool: emptyMempool{},
|
|
Evpool: sm.EmptyEvidencePool{},
|
|
}
|
|
|
|
nPeers := 7
|
|
nVals := 4
|
|
|
|
css, genDoc, cfg, cleanup := randConsensusNetWithPeers(
|
|
cfg,
|
|
nVals,
|
|
nPeers,
|
|
"replay_test",
|
|
newMockTickerFunc(true),
|
|
newPersistentKVStoreWithPath)
|
|
sim.Config = cfg
|
|
sim.GenesisState, _ = sm.MakeGenesisState(genDoc)
|
|
sim.CleanupFunc = cleanup
|
|
|
|
partSize := types.BlockPartSizeBytes
|
|
|
|
newRoundCh := subscribe(t, css[0].eventBus, types.EventQueryNewRound)
|
|
proposalCh := subscribe(t, css[0].eventBus, types.EventQueryCompleteProposal)
|
|
|
|
vss := make([]*validatorStub, nPeers)
|
|
for i := 0; i < nPeers; i++ {
|
|
vss[i] = newValidatorStub(css[i].privValidator, int32(i))
|
|
}
|
|
height, round := css[0].Height, css[0].Round
|
|
|
|
// start the machine
|
|
startTestRound(css[0], height, round)
|
|
incrementHeight(vss...)
|
|
ensureNewRound(newRoundCh, height, 0)
|
|
ensureNewProposal(proposalCh, height, round)
|
|
rs := css[0].GetRoundState()
|
|
|
|
signAddVotes(sim.Config, css[0], tmproto.PrecommitType,
|
|
rs.ProposalBlock.Hash(), rs.ProposalBlockParts.Header(),
|
|
vss[1:nVals]...)
|
|
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
// HEIGHT 2
|
|
height++
|
|
incrementHeight(vss...)
|
|
newValidatorPubKey1, err := css[nVals].privValidator.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
valPubKey1ABCI, err := encoding.PubKeyToProto(newValidatorPubKey1)
|
|
require.NoError(t, err)
|
|
newValidatorTx1 := kvstore.MakeValSetChangeTx(valPubKey1ABCI, testMinPower)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx1, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
propBlock, _ := css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
|
|
propBlockParts := propBlock.MakePartSet(partSize)
|
|
blockID := types.BlockID{Hash: propBlock.Hash(), PartSetHeader: propBlockParts.Header()}
|
|
|
|
proposal := types.NewProposal(vss[1].Height, round, -1, blockID)
|
|
p := proposal.ToProto()
|
|
if err := vss[1].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
|
|
t.Fatal("failed to sign bad proposal", err)
|
|
}
|
|
proposal.Signature = p.Signature
|
|
|
|
// set the proposal block
|
|
if err := css[0].SetProposalAndBlock(proposal, propBlock, propBlockParts, "some peer"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ensureNewProposal(proposalCh, height, round)
|
|
rs = css[0].GetRoundState()
|
|
signAddVotes(sim.Config, css[0], tmproto.PrecommitType,
|
|
rs.ProposalBlock.Hash(), rs.ProposalBlockParts.Header(),
|
|
vss[1:nVals]...)
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
// HEIGHT 3
|
|
height++
|
|
incrementHeight(vss...)
|
|
updateValidatorPubKey1, err := css[nVals].privValidator.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
updatePubKey1ABCI, err := encoding.PubKeyToProto(updateValidatorPubKey1)
|
|
require.NoError(t, err)
|
|
updateValidatorTx1 := kvstore.MakeValSetChangeTx(updatePubKey1ABCI, 25)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), updateValidatorTx1, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
|
|
propBlockParts = propBlock.MakePartSet(partSize)
|
|
blockID = types.BlockID{Hash: propBlock.Hash(), PartSetHeader: propBlockParts.Header()}
|
|
|
|
proposal = types.NewProposal(vss[2].Height, round, -1, blockID)
|
|
p = proposal.ToProto()
|
|
if err := vss[2].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
|
|
t.Fatal("failed to sign bad proposal", err)
|
|
}
|
|
proposal.Signature = p.Signature
|
|
|
|
// set the proposal block
|
|
if err := css[0].SetProposalAndBlock(proposal, propBlock, propBlockParts, "some peer"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ensureNewProposal(proposalCh, height, round)
|
|
rs = css[0].GetRoundState()
|
|
signAddVotes(sim.Config, css[0], tmproto.PrecommitType,
|
|
rs.ProposalBlock.Hash(), rs.ProposalBlockParts.Header(),
|
|
vss[1:nVals]...)
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
// HEIGHT 4
|
|
height++
|
|
incrementHeight(vss...)
|
|
newValidatorPubKey2, err := css[nVals+1].privValidator.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
newVal2ABCI, err := encoding.PubKeyToProto(newValidatorPubKey2)
|
|
require.NoError(t, err)
|
|
newValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, testMinPower)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx2, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
newValidatorPubKey3, err := css[nVals+2].privValidator.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
newVal3ABCI, err := encoding.PubKeyToProto(newValidatorPubKey3)
|
|
require.NoError(t, err)
|
|
newValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, testMinPower)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), newValidatorTx3, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
|
|
propBlockParts = propBlock.MakePartSet(partSize)
|
|
blockID = types.BlockID{Hash: propBlock.Hash(), PartSetHeader: propBlockParts.Header()}
|
|
newVss := make([]*validatorStub, nVals+1)
|
|
copy(newVss, vss[:nVals+1])
|
|
sort.Sort(ValidatorStubsByPower(newVss))
|
|
|
|
valIndexFn := func(cssIdx int) int {
|
|
for i, vs := range newVss {
|
|
vsPubKey, err := vs.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
|
|
cssPubKey, err := css[cssIdx].privValidator.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
|
|
if vsPubKey.Equals(cssPubKey) {
|
|
return i
|
|
}
|
|
}
|
|
panic(fmt.Sprintf("validator css[%d] not found in newVss", cssIdx))
|
|
}
|
|
|
|
selfIndex := valIndexFn(0)
|
|
|
|
proposal = types.NewProposal(vss[3].Height, round, -1, blockID)
|
|
p = proposal.ToProto()
|
|
if err := vss[3].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
|
|
t.Fatal("failed to sign bad proposal", err)
|
|
}
|
|
proposal.Signature = p.Signature
|
|
|
|
// set the proposal block
|
|
if err := css[0].SetProposalAndBlock(proposal, propBlock, propBlockParts, "some peer"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ensureNewProposal(proposalCh, height, round)
|
|
|
|
removeValidatorTx2 := kvstore.MakeValSetChangeTx(newVal2ABCI, 0)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx2, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
|
|
rs = css[0].GetRoundState()
|
|
for i := 0; i < nVals+1; i++ {
|
|
if i == selfIndex {
|
|
continue
|
|
}
|
|
signAddVotes(sim.Config, css[0],
|
|
tmproto.PrecommitType, rs.ProposalBlock.Hash(),
|
|
rs.ProposalBlockParts.Header(), newVss[i])
|
|
}
|
|
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
// HEIGHT 5
|
|
height++
|
|
incrementHeight(vss...)
|
|
// Reflect the changes to vss[nVals] at height 3 and resort newVss.
|
|
newVssIdx := valIndexFn(nVals)
|
|
newVss[newVssIdx].VotingPower = 25
|
|
sort.Sort(ValidatorStubsByPower(newVss))
|
|
selfIndex = valIndexFn(0)
|
|
ensureNewProposal(proposalCh, height, round)
|
|
rs = css[0].GetRoundState()
|
|
for i := 0; i < nVals+1; i++ {
|
|
if i == selfIndex {
|
|
continue
|
|
}
|
|
signAddVotes(sim.Config, css[0],
|
|
tmproto.PrecommitType, rs.ProposalBlock.Hash(),
|
|
rs.ProposalBlockParts.Header(), newVss[i])
|
|
}
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
// HEIGHT 6
|
|
height++
|
|
incrementHeight(vss...)
|
|
removeValidatorTx3 := kvstore.MakeValSetChangeTx(newVal3ABCI, 0)
|
|
err = assertMempool(css[0].txNotifier).CheckTx(context.Background(), removeValidatorTx3, nil, mempool.TxInfo{})
|
|
assert.Nil(t, err)
|
|
propBlock, _ = css[0].createProposalBlock() // changeProposer(t, cs1, vs2)
|
|
propBlockParts = propBlock.MakePartSet(partSize)
|
|
blockID = types.BlockID{Hash: propBlock.Hash(), PartSetHeader: propBlockParts.Header()}
|
|
newVss = make([]*validatorStub, nVals+3)
|
|
copy(newVss, vss[:nVals+3])
|
|
sort.Sort(ValidatorStubsByPower(newVss))
|
|
|
|
selfIndex = valIndexFn(0)
|
|
proposal = types.NewProposal(vss[1].Height, round, -1, blockID)
|
|
p = proposal.ToProto()
|
|
if err := vss[1].SignProposal(context.Background(), cfg.ChainID(), p); err != nil {
|
|
t.Fatal("failed to sign bad proposal", err)
|
|
}
|
|
proposal.Signature = p.Signature
|
|
|
|
// set the proposal block
|
|
if err := css[0].SetProposalAndBlock(proposal, propBlock, propBlockParts, "some peer"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ensureNewProposal(proposalCh, height, round)
|
|
rs = css[0].GetRoundState()
|
|
for i := 0; i < nVals+3; i++ {
|
|
if i == selfIndex {
|
|
continue
|
|
}
|
|
signAddVotes(sim.Config, css[0],
|
|
tmproto.PrecommitType, rs.ProposalBlock.Hash(),
|
|
rs.ProposalBlockParts.Header(), newVss[i])
|
|
}
|
|
ensureNewRound(newRoundCh, height+1, 0)
|
|
|
|
sim.Chain = make([]*types.Block, 0)
|
|
sim.Commits = make([]*types.Commit, 0)
|
|
for i := 1; i <= numBlocks; i++ {
|
|
sim.Chain = append(sim.Chain, css[0].blockStore.LoadBlock(int64(i)))
|
|
sim.Commits = append(sim.Commits, css[0].blockStore.LoadBlockCommit(int64(i)))
|
|
}
|
|
if sim.CleanupFunc != nil {
|
|
t.Cleanup(sim.CleanupFunc)
|
|
}
|
|
|
|
return sim
|
|
}
|
|
|
|
// Sync from scratch
|
|
func TestHandshakeReplayAll(t *testing.T) {
|
|
sim := setupSimulator(t)
|
|
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, 0, m, false)
|
|
}
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, 0, m, true)
|
|
}
|
|
}
|
|
|
|
// Sync many, not from scratch
|
|
func TestHandshakeReplaySome(t *testing.T) {
|
|
sim := setupSimulator(t)
|
|
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, 2, m, false)
|
|
}
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, 2, m, true)
|
|
}
|
|
}
|
|
|
|
// Sync from lagging by one
|
|
func TestHandshakeReplayOne(t *testing.T) {
|
|
sim := setupSimulator(t)
|
|
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, numBlocks-1, m, false)
|
|
}
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, numBlocks-1, m, true)
|
|
}
|
|
}
|
|
|
|
// Sync from caught up
|
|
func TestHandshakeReplayNone(t *testing.T) {
|
|
sim := setupSimulator(t)
|
|
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, numBlocks, m, false)
|
|
}
|
|
for _, m := range modes {
|
|
testHandshakeReplay(t, sim, numBlocks, m, true)
|
|
}
|
|
}
|
|
|
|
// Test mockProxyApp should not panic when app return ABCIResponses with some empty ResponseDeliverTx
|
|
func TestMockProxyApp(t *testing.T) {
|
|
sim := setupSimulator(t) // setup config and simulator
|
|
cfg := sim.Config
|
|
assert.NotNil(t, cfg)
|
|
|
|
logger := log.TestingLogger()
|
|
var validTxs, invalidTxs = 0, 0
|
|
txIndex := 0
|
|
|
|
assert.NotPanics(t, func() {
|
|
abciResWithEmptyDeliverTx := new(tmstate.ABCIResponses)
|
|
abciResWithEmptyDeliverTx.DeliverTxs = make([]*abci.ResponseDeliverTx, 0)
|
|
abciResWithEmptyDeliverTx.DeliverTxs = append(abciResWithEmptyDeliverTx.DeliverTxs, &abci.ResponseDeliverTx{})
|
|
|
|
// called when saveABCIResponses:
|
|
bytes, err := proto.Marshal(abciResWithEmptyDeliverTx)
|
|
require.NoError(t, err)
|
|
loadedAbciRes := new(tmstate.ABCIResponses)
|
|
|
|
// this also happens sm.LoadABCIResponses
|
|
err = proto.Unmarshal(bytes, loadedAbciRes)
|
|
require.NoError(t, err)
|
|
|
|
mock := newMockProxyApp([]byte("mock_hash"), loadedAbciRes)
|
|
|
|
abciRes := new(tmstate.ABCIResponses)
|
|
abciRes.DeliverTxs = make([]*abci.ResponseDeliverTx, len(loadedAbciRes.DeliverTxs))
|
|
// Execute transactions and get hash.
|
|
proxyCb := func(req *abci.Request, res *abci.Response) {
|
|
if r, ok := res.Value.(*abci.Response_DeliverTx); ok {
|
|
// TODO: make use of res.Log
|
|
// TODO: make use of this info
|
|
// Blocks may include invalid txs.
|
|
txRes := r.DeliverTx
|
|
if txRes.Code == abci.CodeTypeOK {
|
|
validTxs++
|
|
} else {
|
|
logger.Debug("Invalid tx", "code", txRes.Code, "log", txRes.Log)
|
|
invalidTxs++
|
|
}
|
|
abciRes.DeliverTxs[txIndex] = txRes
|
|
txIndex++
|
|
}
|
|
}
|
|
mock.SetResponseCallback(proxyCb)
|
|
|
|
someTx := []byte("tx")
|
|
_, err = mock.DeliverTxAsync(context.Background(), abci.RequestDeliverTx{Tx: someTx})
|
|
assert.NoError(t, err)
|
|
})
|
|
assert.True(t, validTxs == 1)
|
|
assert.True(t, invalidTxs == 0)
|
|
}
|
|
|
|
func tempWALWithData(data []byte) string {
|
|
walFile, err := os.CreateTemp("", "wal")
|
|
if err != nil {
|
|
panic(fmt.Sprintf("failed to create temp WAL file: %v", err))
|
|
}
|
|
_, err = walFile.Write(data)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("failed to write to temp WAL file: %v", err))
|
|
}
|
|
if err := walFile.Close(); err != nil {
|
|
panic(fmt.Sprintf("failed to close temp WAL file: %v", err))
|
|
}
|
|
return walFile.Name()
|
|
}
|
|
|
|
// Make some blocks. Start a fresh app and apply nBlocks blocks.
|
|
// Then restart the app and sync it up with the remaining blocks
|
|
func testHandshakeReplay(t *testing.T, sim *simulatorTestSuite, nBlocks int, mode uint, testValidatorsChange bool) {
|
|
var chain []*types.Block
|
|
var commits []*types.Commit
|
|
var store *mockBlockStore
|
|
var stateDB dbm.DB
|
|
var genesisState sm.State
|
|
|
|
cfg := sim.Config
|
|
|
|
if testValidatorsChange {
|
|
testConfig, err := ResetConfig(fmt.Sprintf("%s_%v_m", t.Name(), mode))
|
|
require.NoError(t, err)
|
|
defer func() { _ = os.RemoveAll(testConfig.RootDir) }()
|
|
stateDB = dbm.NewMemDB()
|
|
|
|
genesisState = sim.GenesisState
|
|
cfg = sim.Config
|
|
chain = append([]*types.Block{}, sim.Chain...) // copy chain
|
|
commits = sim.Commits
|
|
store = newMockBlockStore(cfg, genesisState.ConsensusParams)
|
|
} else { // test single node
|
|
testConfig, err := ResetConfig(fmt.Sprintf("%s_%v_s", t.Name(), mode))
|
|
require.NoError(t, err)
|
|
defer func() { _ = os.RemoveAll(testConfig.RootDir) }()
|
|
walBody, err := WALWithNBlocks(t, numBlocks)
|
|
require.NoError(t, err)
|
|
walFile := tempWALWithData(walBody)
|
|
cfg.Consensus.SetWalFile(walFile)
|
|
|
|
privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
|
|
require.NoError(t, err)
|
|
|
|
wal, err := NewWAL(walFile)
|
|
require.NoError(t, err)
|
|
wal.SetLogger(log.TestingLogger())
|
|
err = wal.Start()
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
if err := wal.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
chain, commits, err = makeBlockchainFromWAL(wal)
|
|
require.NoError(t, err)
|
|
pubKey, err := privVal.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
stateDB, genesisState, store = stateAndStore(cfg, pubKey, kvstore.ProtocolVersion)
|
|
|
|
}
|
|
stateStore := sm.NewStore(stateDB)
|
|
store.chain = chain
|
|
store.commits = commits
|
|
|
|
state := genesisState.Copy()
|
|
// run the chain through state.ApplyBlock to build up the tendermint state
|
|
state = buildTMStateFromChain(cfg, sim.Mempool, sim.Evpool, stateStore, state, chain, nBlocks, mode, store)
|
|
latestAppHash := state.AppHash
|
|
|
|
// make a new client creator
|
|
kvstoreApp := kvstore.NewPersistentKVStoreApplication(
|
|
filepath.Join(cfg.DBDir(), fmt.Sprintf("replay_test_%d_%d_a_r%d", nBlocks, mode, rand.Int())))
|
|
t.Cleanup(func() { require.NoError(t, kvstoreApp.Close()) })
|
|
|
|
clientCreator2 := abciclient.NewLocalCreator(kvstoreApp)
|
|
if nBlocks > 0 {
|
|
// run nBlocks against a new client to build up the app state.
|
|
// use a throwaway tendermint state
|
|
proxyApp := proxy.NewAppConns(clientCreator2, proxy.NopMetrics())
|
|
stateDB1 := dbm.NewMemDB()
|
|
stateStore := sm.NewStore(stateDB1)
|
|
err := stateStore.Save(genesisState)
|
|
require.NoError(t, err)
|
|
buildAppStateFromChain(proxyApp, stateStore, sim.Mempool, sim.Evpool, genesisState, chain, nBlocks, mode, store)
|
|
}
|
|
|
|
// Prune block store if requested
|
|
expectError := false
|
|
if mode == 3 {
|
|
pruned, err := store.PruneBlocks(2)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 1, pruned)
|
|
expectError = int64(nBlocks) < 2
|
|
}
|
|
|
|
// now start the app using the handshake - it should sync
|
|
genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
|
|
handshaker := NewHandshaker(stateStore, state, store, genDoc)
|
|
proxyApp := proxy.NewAppConns(clientCreator2, proxy.NopMetrics())
|
|
if err := proxyApp.Start(); err != nil {
|
|
t.Fatalf("Error starting proxy app connections: %v", err)
|
|
}
|
|
|
|
t.Cleanup(func() {
|
|
if err := proxyApp.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
err := handshaker.Handshake(proxyApp)
|
|
if expectError {
|
|
require.Error(t, err)
|
|
return
|
|
} else if err != nil {
|
|
t.Fatalf("Error on abci handshake: %v", err)
|
|
}
|
|
|
|
// get the latest app hash from the app
|
|
res, err := proxyApp.Query().InfoSync(context.Background(), abci.RequestInfo{Version: ""})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// the app hash should be synced up
|
|
if !bytes.Equal(latestAppHash, res.LastBlockAppHash) {
|
|
t.Fatalf(
|
|
"Expected app hashes to match after handshake/replay. got %X, expected %X",
|
|
res.LastBlockAppHash,
|
|
latestAppHash)
|
|
}
|
|
|
|
expectedBlocksToSync := numBlocks - nBlocks
|
|
if nBlocks == numBlocks && mode > 0 {
|
|
expectedBlocksToSync++
|
|
} else if nBlocks > 0 && mode == 1 {
|
|
expectedBlocksToSync++
|
|
}
|
|
|
|
if handshaker.NBlocks() != expectedBlocksToSync {
|
|
t.Fatalf("Expected handshake to sync %d blocks, got %d", expectedBlocksToSync, handshaker.NBlocks())
|
|
}
|
|
}
|
|
|
|
func applyBlock(stateStore sm.Store,
|
|
mempool mempool.Mempool,
|
|
evpool sm.EvidencePool,
|
|
st sm.State,
|
|
blk *types.Block,
|
|
proxyApp proxy.AppConns,
|
|
blockStore *mockBlockStore) sm.State {
|
|
testPartSize := types.BlockPartSizeBytes
|
|
blockExec := sm.NewBlockExecutor(stateStore, log.TestingLogger(), proxyApp.Consensus(), mempool, evpool, blockStore)
|
|
|
|
blkID := types.BlockID{Hash: blk.Hash(), PartSetHeader: blk.MakePartSet(testPartSize).Header()}
|
|
newState, err := blockExec.ApplyBlock(st, blkID, blk)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return newState
|
|
}
|
|
|
|
func buildAppStateFromChain(
|
|
proxyApp proxy.AppConns,
|
|
stateStore sm.Store,
|
|
mempool mempool.Mempool,
|
|
evpool sm.EvidencePool,
|
|
state sm.State,
|
|
chain []*types.Block,
|
|
nBlocks int,
|
|
mode uint,
|
|
blockStore *mockBlockStore) {
|
|
// start a new app without handshake, play nBlocks blocks
|
|
if err := proxyApp.Start(); err != nil {
|
|
panic(err)
|
|
}
|
|
defer proxyApp.Stop() //nolint:errcheck // ignore
|
|
|
|
state.Version.Consensus.App = kvstore.ProtocolVersion // simulate handshake, receive app version
|
|
validators := types.TM2PB.ValidatorUpdates(state.Validators)
|
|
if _, err := proxyApp.Consensus().InitChainSync(context.Background(), abci.RequestInitChain{
|
|
Validators: validators,
|
|
}); err != nil {
|
|
panic(err)
|
|
}
|
|
if err := stateStore.Save(state); err != nil { // save height 1's validatorsInfo
|
|
panic(err)
|
|
}
|
|
switch mode {
|
|
case 0:
|
|
for i := 0; i < nBlocks; i++ {
|
|
block := chain[i]
|
|
state = applyBlock(stateStore, mempool, evpool, state, block, proxyApp, blockStore)
|
|
}
|
|
case 1, 2, 3:
|
|
for i := 0; i < nBlocks-1; i++ {
|
|
block := chain[i]
|
|
state = applyBlock(stateStore, mempool, evpool, state, block, proxyApp, blockStore)
|
|
}
|
|
|
|
if mode == 2 || mode == 3 {
|
|
// update the kvstore height and apphash
|
|
// as if we ran commit but not
|
|
state = applyBlock(stateStore, mempool, evpool, state, chain[nBlocks-1], proxyApp, blockStore)
|
|
}
|
|
default:
|
|
panic(fmt.Sprintf("unknown mode %v", mode))
|
|
}
|
|
|
|
}
|
|
|
|
func buildTMStateFromChain(
|
|
cfg *config.Config,
|
|
mempool mempool.Mempool,
|
|
evpool sm.EvidencePool,
|
|
stateStore sm.Store,
|
|
state sm.State,
|
|
chain []*types.Block,
|
|
nBlocks int,
|
|
mode uint,
|
|
blockStore *mockBlockStore) sm.State {
|
|
// run the whole chain against this client to build up the tendermint state
|
|
kvstoreApp := kvstore.NewPersistentKVStoreApplication(
|
|
filepath.Join(cfg.DBDir(), fmt.Sprintf("replay_test_%d_%d_t", nBlocks, mode)))
|
|
defer kvstoreApp.Close()
|
|
clientCreator := abciclient.NewLocalCreator(kvstoreApp)
|
|
|
|
proxyApp := proxy.NewAppConns(clientCreator, proxy.NopMetrics())
|
|
if err := proxyApp.Start(); err != nil {
|
|
panic(err)
|
|
}
|
|
defer proxyApp.Stop() //nolint:errcheck
|
|
|
|
state.Version.Consensus.App = kvstore.ProtocolVersion // simulate handshake, receive app version
|
|
validators := types.TM2PB.ValidatorUpdates(state.Validators)
|
|
if _, err := proxyApp.Consensus().InitChainSync(context.Background(), abci.RequestInitChain{
|
|
Validators: validators,
|
|
}); err != nil {
|
|
panic(err)
|
|
}
|
|
if err := stateStore.Save(state); err != nil { // save height 1's validatorsInfo
|
|
panic(err)
|
|
}
|
|
switch mode {
|
|
case 0:
|
|
// sync right up
|
|
for _, block := range chain {
|
|
state = applyBlock(stateStore, mempool, evpool, state, block, proxyApp, blockStore)
|
|
}
|
|
|
|
case 1, 2, 3:
|
|
// sync up to the penultimate as if we stored the block.
|
|
// whether we commit or not depends on the appHash
|
|
for _, block := range chain[:len(chain)-1] {
|
|
state = applyBlock(stateStore, mempool, evpool, state, block, proxyApp, blockStore)
|
|
}
|
|
|
|
// apply the final block to a state copy so we can
|
|
// get the right next appHash but keep the state back
|
|
applyBlock(stateStore, mempool, evpool, state, chain[len(chain)-1], proxyApp, blockStore)
|
|
default:
|
|
panic(fmt.Sprintf("unknown mode %v", mode))
|
|
}
|
|
|
|
return state
|
|
}
|
|
|
|
func TestHandshakePanicsIfAppReturnsWrongAppHash(t *testing.T) {
|
|
// 1. Initialize tendermint and commit 3 blocks with the following app hashes:
|
|
// - 0x01
|
|
// - 0x02
|
|
// - 0x03
|
|
cfg, err := ResetConfig("handshake_test_")
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() { os.RemoveAll(cfg.RootDir) })
|
|
privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
|
|
require.NoError(t, err)
|
|
const appVersion = 0x0
|
|
pubKey, err := privVal.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
stateDB, state, store := stateAndStore(cfg, pubKey, appVersion)
|
|
stateStore := sm.NewStore(stateDB)
|
|
genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
|
|
state.LastValidators = state.Validators.Copy()
|
|
// mode = 0 for committing all the blocks
|
|
blocks := sf.MakeBlocks(3, &state, privVal)
|
|
store.chain = blocks
|
|
|
|
// 2. Tendermint must panic if app returns wrong hash for the first block
|
|
// - RANDOM HASH
|
|
// - 0x02
|
|
// - 0x03
|
|
{
|
|
app := &badApp{numBlocks: 3, allHashesAreWrong: true}
|
|
clientCreator := abciclient.NewLocalCreator(app)
|
|
proxyApp := proxy.NewAppConns(clientCreator, proxy.NopMetrics())
|
|
err := proxyApp.Start()
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
if err := proxyApp.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
assert.Panics(t, func() {
|
|
h := NewHandshaker(stateStore, state, store, genDoc)
|
|
if err = h.Handshake(proxyApp); err != nil {
|
|
t.Log(err)
|
|
}
|
|
})
|
|
}
|
|
|
|
// 3. Tendermint must panic if app returns wrong hash for the last block
|
|
// - 0x01
|
|
// - 0x02
|
|
// - RANDOM HASH
|
|
{
|
|
app := &badApp{numBlocks: 3, onlyLastHashIsWrong: true}
|
|
clientCreator := abciclient.NewLocalCreator(app)
|
|
proxyApp := proxy.NewAppConns(clientCreator, proxy.NopMetrics())
|
|
err := proxyApp.Start()
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
if err := proxyApp.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
assert.Panics(t, func() {
|
|
h := NewHandshaker(stateStore, state, store, genDoc)
|
|
if err = h.Handshake(proxyApp); err != nil {
|
|
t.Log(err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type badApp struct {
|
|
abci.BaseApplication
|
|
numBlocks byte
|
|
height byte
|
|
allHashesAreWrong bool
|
|
onlyLastHashIsWrong bool
|
|
}
|
|
|
|
func (app *badApp) Commit() abci.ResponseCommit {
|
|
app.height++
|
|
if app.onlyLastHashIsWrong {
|
|
if app.height == app.numBlocks {
|
|
return abci.ResponseCommit{Data: tmrand.Bytes(8)}
|
|
}
|
|
return abci.ResponseCommit{Data: []byte{app.height}}
|
|
} else if app.allHashesAreWrong {
|
|
return abci.ResponseCommit{Data: tmrand.Bytes(8)}
|
|
}
|
|
|
|
panic("either allHashesAreWrong or onlyLastHashIsWrong must be set")
|
|
}
|
|
|
|
//--------------------------
|
|
// utils for making blocks
|
|
|
|
func makeBlockchainFromWAL(wal WAL) ([]*types.Block, []*types.Commit, error) {
|
|
var height int64
|
|
|
|
// Search for height marker
|
|
gr, found, err := wal.SearchForEndHeight(height, &WALSearchOptions{})
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
if !found {
|
|
return nil, nil, fmt.Errorf("wal does not contain height %d", height)
|
|
}
|
|
defer gr.Close()
|
|
|
|
// log.Notice("Build a blockchain by reading from the WAL")
|
|
|
|
var (
|
|
blocks []*types.Block
|
|
commits []*types.Commit
|
|
thisBlockParts *types.PartSet
|
|
thisBlockCommit *types.Commit
|
|
)
|
|
|
|
dec := NewWALDecoder(gr)
|
|
for {
|
|
msg, err := dec.Decode()
|
|
if err == io.EOF {
|
|
break
|
|
} else if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
piece := readPieceFromWAL(msg)
|
|
if piece == nil {
|
|
continue
|
|
}
|
|
|
|
switch p := piece.(type) {
|
|
case EndHeightMessage:
|
|
// if its not the first one, we have a full block
|
|
if thisBlockParts != nil {
|
|
var pbb = new(tmproto.Block)
|
|
bz, err := io.ReadAll(thisBlockParts.GetReader())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
err = proto.Unmarshal(bz, pbb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
block, err := types.BlockFromProto(pbb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if block.Height != height+1 {
|
|
panic(fmt.Sprintf("read bad block from wal. got height %d, expected %d", block.Height, height+1))
|
|
}
|
|
commitHeight := thisBlockCommit.Height
|
|
if commitHeight != height+1 {
|
|
panic(fmt.Sprintf("commit doesnt match. got height %d, expected %d", commitHeight, height+1))
|
|
}
|
|
blocks = append(blocks, block)
|
|
commits = append(commits, thisBlockCommit)
|
|
height++
|
|
}
|
|
case *types.PartSetHeader:
|
|
thisBlockParts = types.NewPartSetFromHeader(*p)
|
|
case *types.Part:
|
|
_, err := thisBlockParts.AddPart(p)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
case *types.Vote:
|
|
if p.Type == tmproto.PrecommitType {
|
|
thisBlockCommit = types.NewCommit(p.Height, p.Round,
|
|
p.BlockID, []types.CommitSig{p.CommitSig()})
|
|
}
|
|
}
|
|
}
|
|
// grab the last block too
|
|
bz, err := io.ReadAll(thisBlockParts.GetReader())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
var pbb = new(tmproto.Block)
|
|
err = proto.Unmarshal(bz, pbb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
block, err := types.BlockFromProto(pbb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if block.Height != height+1 {
|
|
panic(fmt.Sprintf("read bad block from wal. got height %d, expected %d", block.Height, height+1))
|
|
}
|
|
commitHeight := thisBlockCommit.Height
|
|
if commitHeight != height+1 {
|
|
panic(fmt.Sprintf("commit doesnt match. got height %d, expected %d", commitHeight, height+1))
|
|
}
|
|
blocks = append(blocks, block)
|
|
commits = append(commits, thisBlockCommit)
|
|
return blocks, commits, nil
|
|
}
|
|
|
|
func readPieceFromWAL(msg *TimedWALMessage) interface{} {
|
|
// for logging
|
|
switch m := msg.Msg.(type) {
|
|
case msgInfo:
|
|
switch msg := m.Msg.(type) {
|
|
case *ProposalMessage:
|
|
return &msg.Proposal.BlockID.PartSetHeader
|
|
case *BlockPartMessage:
|
|
return msg.Part
|
|
case *VoteMessage:
|
|
return msg.Vote
|
|
}
|
|
case EndHeightMessage:
|
|
return m
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// fresh state and mock store
|
|
func stateAndStore(
|
|
cfg *config.Config,
|
|
pubKey crypto.PubKey,
|
|
appVersion uint64) (dbm.DB, sm.State, *mockBlockStore) {
|
|
stateDB := dbm.NewMemDB()
|
|
stateStore := sm.NewStore(stateDB)
|
|
state, _ := sm.MakeGenesisStateFromFile(cfg.GenesisFile())
|
|
state.Version.Consensus.App = appVersion
|
|
store := newMockBlockStore(cfg, state.ConsensusParams)
|
|
if err := stateStore.Save(state); err != nil {
|
|
panic(err)
|
|
}
|
|
return stateDB, state, store
|
|
}
|
|
|
|
//----------------------------------
|
|
// mock block store
|
|
|
|
type mockBlockStore struct {
|
|
cfg *config.Config
|
|
params types.ConsensusParams
|
|
chain []*types.Block
|
|
commits []*types.Commit
|
|
base int64
|
|
}
|
|
|
|
// TODO: NewBlockStore(db.NewMemDB) ...
|
|
func newMockBlockStore(cfg *config.Config, params types.ConsensusParams) *mockBlockStore {
|
|
return &mockBlockStore{cfg, params, nil, nil, 0}
|
|
}
|
|
|
|
func (bs *mockBlockStore) Height() int64 { return int64(len(bs.chain)) }
|
|
func (bs *mockBlockStore) Base() int64 { return bs.base }
|
|
func (bs *mockBlockStore) Size() int64 { return bs.Height() - bs.Base() + 1 }
|
|
func (bs *mockBlockStore) LoadBaseMeta() *types.BlockMeta { return bs.LoadBlockMeta(bs.base) }
|
|
func (bs *mockBlockStore) LoadBlock(height int64) *types.Block { return bs.chain[height-1] }
|
|
func (bs *mockBlockStore) LoadBlockByHash(hash []byte) *types.Block {
|
|
return bs.chain[int64(len(bs.chain))-1]
|
|
}
|
|
func (bs *mockBlockStore) LoadBlockMeta(height int64) *types.BlockMeta {
|
|
block := bs.chain[height-1]
|
|
return &types.BlockMeta{
|
|
BlockID: types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(types.BlockPartSizeBytes).Header()},
|
|
Header: block.Header,
|
|
}
|
|
}
|
|
func (bs *mockBlockStore) LoadBlockPart(height int64, index int) *types.Part { return nil }
|
|
func (bs *mockBlockStore) SaveBlock(block *types.Block, blockParts *types.PartSet, seenCommit *types.Commit) {
|
|
}
|
|
func (bs *mockBlockStore) LoadBlockCommit(height int64) *types.Commit {
|
|
return bs.commits[height-1]
|
|
}
|
|
func (bs *mockBlockStore) LoadSeenCommit() *types.Commit {
|
|
return bs.commits[len(bs.commits)-1]
|
|
}
|
|
|
|
func (bs *mockBlockStore) PruneBlocks(height int64) (uint64, error) {
|
|
pruned := uint64(0)
|
|
for i := int64(0); i < height-1; i++ {
|
|
bs.chain[i] = nil
|
|
bs.commits[i] = nil
|
|
pruned++
|
|
}
|
|
bs.base = height
|
|
return pruned, nil
|
|
}
|
|
|
|
//---------------------------------------
|
|
// Test handshake/init chain
|
|
|
|
func TestHandshakeUpdatesValidators(t *testing.T) {
|
|
val, _ := factory.RandValidator(true, 10)
|
|
vals := types.NewValidatorSet([]*types.Validator{val})
|
|
app := &initChainApp{vals: types.TM2PB.ValidatorUpdates(vals)}
|
|
clientCreator := abciclient.NewLocalCreator(app)
|
|
|
|
cfg, err := ResetConfig("handshake_test_")
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() { _ = os.RemoveAll(cfg.RootDir) })
|
|
|
|
privVal, err := privval.LoadFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
|
|
require.NoError(t, err)
|
|
pubKey, err := privVal.GetPubKey(context.Background())
|
|
require.NoError(t, err)
|
|
stateDB, state, store := stateAndStore(cfg, pubKey, 0x0)
|
|
stateStore := sm.NewStore(stateDB)
|
|
|
|
oldValAddr := state.Validators.Validators[0].Address
|
|
|
|
// now start the app using the handshake - it should sync
|
|
genDoc, _ := sm.MakeGenesisDocFromFile(cfg.GenesisFile())
|
|
handshaker := NewHandshaker(stateStore, state, store, genDoc)
|
|
proxyApp := proxy.NewAppConns(clientCreator, proxy.NopMetrics())
|
|
if err := proxyApp.Start(); err != nil {
|
|
t.Fatalf("Error starting proxy app connections: %v", err)
|
|
}
|
|
t.Cleanup(func() {
|
|
if err := proxyApp.Stop(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
if err := handshaker.Handshake(proxyApp); err != nil {
|
|
t.Fatalf("Error on abci handshake: %v", err)
|
|
}
|
|
// reload the state, check the validator set was updated
|
|
state, err = stateStore.Load()
|
|
require.NoError(t, err)
|
|
|
|
newValAddr := state.Validators.Validators[0].Address
|
|
expectValAddr := val.Address
|
|
assert.NotEqual(t, oldValAddr, newValAddr)
|
|
assert.Equal(t, newValAddr, expectValAddr)
|
|
}
|
|
|
|
// returns the vals on InitChain
|
|
type initChainApp struct {
|
|
abci.BaseApplication
|
|
vals []abci.ValidatorUpdate
|
|
}
|
|
|
|
func (ica *initChainApp) InitChain(req abci.RequestInitChain) abci.ResponseInitChain {
|
|
return abci.ResponseInitChain{
|
|
Validators: ica.vals,
|
|
}
|
|
}
|