130 lines
3.4 KiB
Go
130 lines
3.4 KiB
Go
package simapp
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import (
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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dbm "github.com/tendermint/tm-db"
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"github.com/cosmos/cosmos-sdk/simapp/helpers"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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)
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// Profile with:
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// /usr/local/go/bin/go test -benchmem -run=^$ github.com/cosmos/cosmos-sdk/simapp -bench ^BenchmarkFullAppSimulation$ -Commit=true -cpuprofile cpu.out
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func BenchmarkFullAppSimulation(b *testing.B) {
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logger := log.NewNopLogger()
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config := NewConfigFromFlags()
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config.ChainID = helpers.SimAppChainID
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var db dbm.DB
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dir, _ := ioutil.TempDir("", "goleveldb-app-sim")
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db, _ = sdk.NewLevelDB("Simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewSimApp(logger, db, nil, true, FlagPeriodValue, interBlockCacheOpt())
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// Run randomized simulation
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// TODO: parameterize numbers, save for a later PR
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_, simParams, simErr := simulation.SimulateFromSeed(
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b, os.Stdout, app.BaseApp, AppStateFn(app.Codec(), app.sm),
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SimulationOperations(app, app.Codec(), config),
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app.ModuleAccountAddrs(), config,
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)
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// export state and params before the simulation error is checked
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if config.ExportStatePath != "" {
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if err := ExportStateToJSON(app, config.ExportStatePath); err != nil {
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fmt.Println(err)
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b.Fail()
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}
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}
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if config.ExportParamsPath != "" {
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if err := ExportParamsToJSON(simParams, config.ExportParamsPath); err != nil {
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fmt.Println(err)
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b.Fail()
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}
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}
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if simErr != nil {
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fmt.Println(simErr)
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b.FailNow()
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}
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if config.Commit {
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fmt.Println("\nGoLevelDB Stats")
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fmt.Println(db.Stats()["leveldb.stats"])
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fmt.Println("GoLevelDB cached block size", db.Stats()["leveldb.cachedblock"])
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}
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}
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func BenchmarkInvariants(b *testing.B) {
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logger := log.NewNopLogger()
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config := NewConfigFromFlags()
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config.AllInvariants = false
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config.ChainID = helpers.SimAppChainID
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dir, _ := ioutil.TempDir("", "goleveldb-app-invariant-bench")
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db, _ := sdk.NewLevelDB("simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewSimApp(logger, db, nil, true, FlagPeriodValue, interBlockCacheOpt())
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// 2. Run parameterized simulation (w/o invariants)
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_, simParams, simErr := simulation.SimulateFromSeed(
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b, ioutil.Discard, app.BaseApp, AppStateFn(app.Codec(), app.sm),
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SimulationOperations(app, app.Codec(), config),
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app.ModuleAccountAddrs(), config,
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)
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// export state and params before the simulation error is checked
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if config.ExportStatePath != "" {
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if err := ExportStateToJSON(app, config.ExportStatePath); err != nil {
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fmt.Println(err)
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b.Fail()
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}
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}
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if config.ExportParamsPath != "" {
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if err := ExportParamsToJSON(simParams, config.ExportParamsPath); err != nil {
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fmt.Println(err)
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b.Fail()
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}
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}
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if simErr != nil {
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fmt.Println(simErr)
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b.FailNow()
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}
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ctx := app.NewContext(true, abci.Header{Height: app.LastBlockHeight() + 1})
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// 3. Benchmark each invariant separately
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//
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// NOTE: We use the crisis keeper as it has all the invariants registered with
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// their respective metadata which makes it useful for testing/benchmarking.
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for _, cr := range app.CrisisKeeper.Routes() {
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cr := cr
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b.Run(fmt.Sprintf("%s/%s", cr.ModuleName, cr.Route), func(b *testing.B) {
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if res, stop := cr.Invar(ctx); stop {
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fmt.Printf("broken invariant at block %d of %d\n%s", ctx.BlockHeight()-1, config.NumBlocks, res)
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b.FailNow()
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}
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})
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}
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}
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