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204 lines
5.7 KiB
204 lines
5.7 KiB
package consensus
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import (
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"encoding/binary"
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"testing"
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"time"
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abci "github.com/tendermint/abci/types"
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"github.com/tendermint/tendermint/types"
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. "github.com/tendermint/tmlibs/common"
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)
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func init() {
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config = ResetConfig("consensus_mempool_test")
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}
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func TestNoProgressUntilTxsAvailable(t *testing.T) {
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config := ResetConfig("consensus_mempool_txs_available_test")
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config.Consensus.NoEmptyBlocks = true
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state, privVals := randGenesisState(1, false, 10)
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cs := newConsensusStateWithConfig(config, state, privVals[0], NewCounterApplication())
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cs.mempool.EnableTxsAvailable()
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height, round := cs.Height, cs.Round
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newBlockCh := subscribeToEvent(cs.evsw, "tester", types.EventStringNewBlock(), 1)
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startTestRound(cs, height, round)
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ensureNewStep(newBlockCh) // first block gets committed
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ensureNoNewStep(newBlockCh)
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deliverTxsRange(cs, 0, 2)
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ensureNewStep(newBlockCh) // commit txs
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ensureNewStep(newBlockCh) // commit updated app hash
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ensureNoNewStep(newBlockCh)
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}
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func TestProgressInHigherRound(t *testing.T) {
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config := ResetConfig("consensus_mempool_txs_available_test")
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config.Consensus.NoEmptyBlocks = true
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state, privVals := randGenesisState(1, false, 10)
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cs := newConsensusStateWithConfig(config, state, privVals[0], NewCounterApplication())
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cs.mempool.EnableTxsAvailable()
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height, round := cs.Height, cs.Round
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newBlockCh := subscribeToEvent(cs.evsw, "tester", types.EventStringNewBlock(), 1)
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newRoundCh := subscribeToEvent(cs.evsw, "tester", types.EventStringNewRound(), 1)
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timeoutCh := subscribeToEvent(cs.evsw, "tester", types.EventStringTimeoutPropose(), 1)
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cs.setProposal = func(proposal *types.Proposal) error {
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if cs.Height == 2 && cs.Round == 0 {
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// dont set the proposal in round 0 so we timeout and
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// go to next round
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cs.Logger.Info("Ignoring set proposal at height 2, round 0")
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return nil
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}
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return cs.defaultSetProposal(proposal)
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}
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startTestRound(cs, height, round)
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ensureNewStep(newRoundCh) // first round at first height
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ensureNewStep(newBlockCh) // first block gets committed
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ensureNewStep(newRoundCh) // first round at next height
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deliverTxsRange(cs, 0, 2) // we deliver txs, but dont set a proposal so we get the next round
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<-timeoutCh
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ensureNewStep(newRoundCh) // wait for the next round
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ensureNewStep(newBlockCh) // now we can commit the block
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}
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func deliverTxsRange(cs *ConsensusState, start, end int) {
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// Deliver some txs.
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for i := start; i < end; i++ {
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txBytes := make([]byte, 8)
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binary.BigEndian.PutUint64(txBytes, uint64(i))
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err := cs.mempool.CheckTx(txBytes, nil)
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if err != nil {
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panic(Fmt("Error after CheckTx: %v", err))
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}
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}
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}
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func TestTxConcurrentWithCommit(t *testing.T) {
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state, privVals := randGenesisState(1, false, 10)
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cs := newConsensusState(state, privVals[0], NewCounterApplication())
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height, round := cs.Height, cs.Round
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newBlockCh := subscribeToEvent(cs.evsw, "tester", types.EventStringNewBlock(), 1)
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NTxs := 10000
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go deliverTxsRange(cs, 0, NTxs)
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startTestRound(cs, height, round)
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ticker := time.NewTicker(time.Second * 20)
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for nTxs := 0; nTxs < NTxs; {
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select {
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case b := <-newBlockCh:
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nTxs += b.(types.TMEventData).Unwrap().(types.EventDataNewBlock).Block.Header.NumTxs
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case <-ticker.C:
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panic("Timed out waiting to commit blocks with transactions")
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}
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}
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}
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func TestRmBadTx(t *testing.T) {
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state, privVals := randGenesisState(1, false, 10)
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app := NewCounterApplication()
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cs := newConsensusState(state, privVals[0], app)
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// increment the counter by 1
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txBytes := make([]byte, 8)
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binary.BigEndian.PutUint64(txBytes, uint64(0))
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app.DeliverTx(txBytes)
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app.Commit()
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ch := make(chan struct{})
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cbCh := make(chan struct{})
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go func() {
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// Try to send the tx through the mempool.
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// CheckTx should not err, but the app should return a bad abci code
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// and the tx should get removed from the pool
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err := cs.mempool.CheckTx(txBytes, func(r *abci.Response) {
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if r.GetCheckTx().Code != abci.CodeType_BadNonce {
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t.Fatalf("expected checktx to return bad nonce, got %v", r)
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}
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cbCh <- struct{}{}
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})
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if err != nil {
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t.Fatal("Error after CheckTx: %v", err)
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}
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// check for the tx
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for {
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time.Sleep(time.Second)
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txs := cs.mempool.Reap(1)
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if len(txs) == 0 {
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ch <- struct{}{}
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return
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}
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}
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}()
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// Wait until the tx returns
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ticker := time.After(time.Second * 5)
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select {
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case <-cbCh:
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// success
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case <-ticker:
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t.Fatalf("Timed out waiting for tx to return")
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}
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// Wait until the tx is removed
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ticker = time.After(time.Second * 5)
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select {
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case <-ch:
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// success
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case <-ticker:
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t.Fatalf("Timed out waiting for tx to be removed")
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}
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}
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// CounterApplication that maintains a mempool state and resets it upon commit
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type CounterApplication struct {
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abci.BaseApplication
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txCount int
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mempoolTxCount int
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}
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func NewCounterApplication() *CounterApplication {
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return &CounterApplication{}
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}
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func (app *CounterApplication) Info() abci.ResponseInfo {
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return abci.ResponseInfo{Data: Fmt("txs:%v", app.txCount)}
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}
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func (app *CounterApplication) DeliverTx(tx []byte) abci.Result {
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return runTx(tx, &app.txCount)
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}
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func (app *CounterApplication) CheckTx(tx []byte) abci.Result {
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return runTx(tx, &app.mempoolTxCount)
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}
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func runTx(tx []byte, countPtr *int) abci.Result {
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count := *countPtr
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tx8 := make([]byte, 8)
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copy(tx8[len(tx8)-len(tx):], tx)
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txValue := binary.BigEndian.Uint64(tx8)
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if txValue != uint64(count) {
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return abci.ErrBadNonce.AppendLog(Fmt("Invalid nonce. Expected %v, got %v", count, txValue))
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}
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*countPtr += 1
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return abci.OK
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}
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func (app *CounterApplication) Commit() abci.Result {
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app.mempoolTxCount = app.txCount
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if app.txCount == 0 {
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return abci.OK
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} else {
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hash := make([]byte, 8)
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binary.BigEndian.PutUint64(hash, uint64(app.txCount))
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return abci.NewResultOK(hash, "")
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}
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}
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