Merge PR #215: Update simulation tests
This commit is contained in:
Federico Kunze
committed by
Alexander Bezobchuk
Alexander Bezobchuk
parent
10493a8d0d
commit
ebfbd95dc0
419
app/sim_test.go
419
app/sim_test.go
@@ -3,7 +3,6 @@ package app
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"testing"
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@@ -15,6 +14,7 @@ import (
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"github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/cosmos/cosmos-sdk/simapp"
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"github.com/cosmos/cosmos-sdk/simapp/helpers"
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"github.com/cosmos/cosmos-sdk/store"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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@@ -32,6 +32,12 @@ func init() {
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simapp.GetSimulatorFlags()
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}
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type StoreKeysPrefixes struct {
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A sdk.StoreKey
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B sdk.StoreKey
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Prefixes [][]byte
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}
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// fauxMerkleModeOpt returns a BaseApp option to use a dbStoreAdapter instead of
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// an IAVLStore for faster simulation speed.
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func fauxMerkleModeOpt(bapp *baseapp.BaseApp) {
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@@ -44,212 +50,96 @@ func interBlockCacheOpt() func(*baseapp.BaseApp) {
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return baseapp.SetInterBlockCache(store.NewCommitKVStoreCacheManager())
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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/GaiaApp -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 := simapp.NewConfigFromFlags()
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var db dbm.DB
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dir, err := ioutil.TempDir("", "goleveldb-app-sim")
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if err != nil {
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fmt.Println(err)
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b.Fail()
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}
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db, err = sdk.NewLevelDB("Simulation", dir)
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if err != nil {
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fmt.Println(err)
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b.Fail()
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}
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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 := NewGaiaApp(logger, db, nil, true, simapp.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, simapp.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 := simapp.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 TestFullAppSimulation(t *testing.T) {
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if !simapp.FlagEnabledValue {
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config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
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if skip {
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t.Skip("skipping application simulation")
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}
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var logger log.Logger
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config := simapp.NewConfigFromFlags()
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if simapp.FlagVerboseValue {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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var db dbm.DB
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dir, err := ioutil.TempDir("", "goleveldb-app-sim")
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require.NoError(t, err)
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db, err = sdk.NewLevelDB("Simulation", dir)
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require.NoError(t, err)
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require.NoError(t, err, "simulation setup failed")
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defer func() {
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db.Close()
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_ = os.RemoveAll(dir)
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require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", app.Name())
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require.Equal(t, appName, app.Name())
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// Run randomized simulation
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// run randomized simulation
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_, simParams, simErr := simulation.SimulateFromSeed(
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t, os.Stdout, app.BaseApp, simapp.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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err := exportStateToJSON(app, config.ExportStatePath)
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require.NoError(t, err)
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}
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if config.ExportParamsPath != "" {
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err := simapp.ExportParamsToJSON(simParams, config.ExportParamsPath)
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require.NoError(t, err)
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}
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require.NoError(t, simErr)
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if config.Commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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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 TestAppImportExport(t *testing.T) {
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if !simapp.FlagEnabledValue {
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t.Skip("skipping application import/export simulation")
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}
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var logger log.Logger
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config := simapp.NewConfigFromFlags()
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if simapp.FlagVerboseValue {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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var db dbm.DB
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dir, err := ioutil.TempDir("", "goleveldb-app-sim")
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require.NoError(t, err)
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db, err = sdk.NewLevelDB("Simulation", dir)
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require.NoError(t, err)
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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 := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, "SimApp", app.Name())
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// Run randomized simulation
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_, simParams, simErr := simulation.SimulateFromSeed(
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t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.sm),
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SimulationOperations(app, app.Codec(), config),
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t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
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simapp.SimulationOperations(app, app.Codec(), config),
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app.ModuleAccountAddrs(), config,
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)
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// export state and simParams before the simulation error is checked
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if config.ExportStatePath != "" {
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err := exportStateToJSON(app, config.ExportStatePath)
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require.NoError(t, err)
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}
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if config.ExportParamsPath != "" {
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err := simapp.ExportParamsToJSON(simParams, config.ExportParamsPath)
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require.NoError(t, err)
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}
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err = simapp.CheckExportSimulation(app, config, simParams)
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require.NoError(t, err)
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require.NoError(t, simErr)
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if config.Commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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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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simapp.PrintStats(db)
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}
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}
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func TestAppImportExport(t *testing.T) {
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config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
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if skip {
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t.Skip("skipping application import/export simulation")
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}
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require.NoError(t, err, "simulation setup failed")
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defer func() {
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db.Close()
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require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, appName, app.Name())
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// Run randomized simulation
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_, simParams, simErr := simulation.SimulateFromSeed(
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t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
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simapp.SimulationOperations(app, app.Codec(), config),
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app.ModuleAccountAddrs(), config,
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)
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// export state and simParams before the simulation error is checked
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err = simapp.CheckExportSimulation(app, config, simParams)
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require.NoError(t, err)
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require.NoError(t, simErr)
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if config.Commit {
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simapp.PrintStats(db)
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}
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fmt.Printf("exporting genesis...\n")
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appState, _, err := app.ExportAppStateAndValidators(false, []string{})
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require.NoError(t, err)
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fmt.Printf("importing genesis...\n")
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newDir, err := ioutil.TempDir("", "goleveldb-app-sim-2")
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require.NoError(t, err)
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newDB, err := sdk.NewLevelDB("Simulation-2", dir)
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require.NoError(t, err)
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_, newDB, newDir, _, _, err := simapp.SetupSimulation("leveldb-app-sim-2", "Simulation-2")
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require.NoError(t, err, "simulation setup failed")
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defer func() {
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newDB.Close()
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_ = os.RemoveAll(newDir)
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require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewGaiaApp(log.NewNopLogger(), newDB, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, "SimApp", newApp.Name())
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require.Equal(t, appName, newApp.Name())
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var genesisState simapp.GenesisState
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err = app.cdc.UnmarshalJSON(appState, &genesisState)
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var genesisState GenesisState
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err = app.Codec().UnmarshalJSON(appState, &genesisState)
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require.NoError(t, err)
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ctxA := app.NewContext(true, abci.Header{Height: app.LastBlockHeight()})
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ctxB := newApp.NewContext(true, abci.Header{Height: app.LastBlockHeight()})
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newApp.mm.InitGenesis(ctxB, genesisState)
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fmt.Printf("comparing stores...\n")
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ctxA := app.NewContext(true, abci.Header{Height: app.LastBlockHeight()})
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type StoreKeysPrefixes struct {
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A sdk.StoreKey
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B sdk.StoreKey
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Prefixes [][]byte
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}
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storeKeysPrefixes := []StoreKeysPrefixes{
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{app.keys[baseapp.MainStoreKey], newApp.keys[baseapp.MainStoreKey], [][]byte{}},
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@@ -266,122 +156,84 @@ func TestAppImportExport(t *testing.T) {
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{app.keys[gov.StoreKey], newApp.keys[gov.StoreKey], [][]byte{}},
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}
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for _, storeKeysPrefix := range storeKeysPrefixes {
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storeKeyA := storeKeysPrefix.A
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storeKeyB := storeKeysPrefix.B
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prefixes := storeKeysPrefix.Prefixes
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for _, skp := range storeKeysPrefixes {
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storeA := ctxA.KVStore(skp.A)
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storeB := ctxB.KVStore(skp.B)
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storeA := ctxA.KVStore(storeKeyA)
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storeB := ctxB.KVStore(storeKeyB)
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failedKVAs, failedKVBs := sdk.DiffKVStores(storeA, storeB, prefixes)
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failedKVAs, failedKVBs := sdk.DiffKVStores(storeA, storeB, skp.Prefixes)
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require.Equal(t, len(failedKVAs), len(failedKVBs), "unequal sets of key-values to compare")
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fmt.Printf("compared %d key/value pairs between %s and %s\n", len(failedKVAs), storeKeyA, storeKeyB)
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require.Len(t, failedKVAs, 0, simapp.GetSimulationLog(storeKeyA.Name(), app.sm.StoreDecoders, app.cdc, failedKVAs, failedKVBs))
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fmt.Printf("compared %d key/value pairs between %s and %s\n", len(failedKVAs), skp.A, skp.B)
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require.Equal(t, len(failedKVAs), 0, simapp.GetSimulationLog(skp.A.Name(), app.SimulationManager().StoreDecoders, app.Codec(), failedKVAs, failedKVBs))
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}
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}
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func TestAppSimulationAfterImport(t *testing.T) {
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if !simapp.FlagEnabledValue {
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config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
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if skip {
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t.Skip("skipping application simulation after import")
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}
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var logger log.Logger
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config := simapp.NewConfigFromFlags()
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if simapp.FlagVerboseValue {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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dir, err := ioutil.TempDir("", "goleveldb-app-sim")
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require.NoError(t, err)
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db, err := sdk.NewLevelDB("Simulation", dir)
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require.NoError(t, err)
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require.NoError(t, err, "simulation setup failed")
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defer func() {
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db.Close()
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_ = os.RemoveAll(dir)
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require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", app.Name())
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require.Equal(t, appName, app.Name())
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// Run randomized simulation
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// Run randomized simulation
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stopEarly, simParams, simErr := simulation.SimulateFromSeed(
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t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.sm),
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SimulationOperations(app, app.Codec(), config),
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t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
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simapp.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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err := exportStateToJSON(app, config.ExportStatePath)
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require.NoError(t, err)
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}
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if config.ExportParamsPath != "" {
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err := simapp.ExportParamsToJSON(simParams, config.ExportParamsPath)
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require.NoError(t, err)
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}
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// export state and simParams before the simulation error is checked
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err = simapp.CheckExportSimulation(app, config, simParams)
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require.NoError(t, err)
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require.NoError(t, simErr)
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if config.Commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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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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simapp.PrintStats(db)
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}
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if stopEarly {
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// we can't export or import a zero-validator genesis
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fmt.Printf("We can't export or import a zero-validator genesis, exiting test...\n")
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fmt.Println("can't export or import a zero-validator genesis, exiting test...")
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return
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}
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fmt.Printf("Exporting genesis...\n")
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fmt.Printf("exporting genesis...\n")
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appState, _, err := app.ExportAppStateAndValidators(true, []string{})
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if err != nil {
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panic(err)
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}
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fmt.Printf("Importing genesis...\n")
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newDir, err := ioutil.TempDir("", "goleveldb-app-sim-2")
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require.NoError(t, err)
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newDB, err := sdk.NewLevelDB("Simulation-2", dir)
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require.NoError(t, err)
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fmt.Printf("importing genesis...\n")
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_, newDB, newDir, _, _, err := simapp.SetupSimulation("leveldb-app-sim-2", "Simulation-2")
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require.NoError(t, err, "simulation setup failed")
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defer func() {
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newDB.Close()
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_ = os.RemoveAll(newDir)
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require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewGaiaApp(log.NewNopLogger(), newDB, nil, true, 0, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", newApp.Name())
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newApp := NewGaiaApp(log.NewNopLogger(), newDB, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, appName, newApp.Name())
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newApp.InitChain(abci.RequestInitChain{
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AppStateBytes: appState,
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})
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// Run randomized simulation on imported app
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_, _, err = simulation.SimulateFromSeed(
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t, os.Stdout, newApp.BaseApp, simapp.AppStateFn(app.Codec(), app.sm),
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SimulationOperations(app, app.Codec(), config),
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t, os.Stdout, newApp.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
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simapp.SimulationOperations(newApp, newApp.Codec(), config),
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newApp.ModuleAccountAddrs(), config,
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)
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require.NoError(t, err)
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}
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// TODO: Make another test for the fuzzer itself, which just has noOp txs
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// and doesn't depend on the application.
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func TestAppStateDeterminism(t *testing.T) {
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if !simapp.FlagEnabledValue {
|
||||
t.Skip("skipping application simulation")
|
||||
@@ -392,6 +244,7 @@ func TestAppStateDeterminism(t *testing.T) {
|
||||
config.ExportParamsPath = ""
|
||||
config.OnOperation = false
|
||||
config.AllInvariants = false
|
||||
config.ChainID = helpers.SimAppChainID
|
||||
|
||||
numSeeds := 3
|
||||
numTimesToRunPerSeed := 5
|
||||
@@ -401,8 +254,15 @@ func TestAppStateDeterminism(t *testing.T) {
|
||||
config.Seed = rand.Int63()
|
||||
|
||||
for j := 0; j < numTimesToRunPerSeed; j++ {
|
||||
logger := log.NewNopLogger()
|
||||
var logger log.Logger
|
||||
if simapp.FlagVerboseValue {
|
||||
logger = log.TestingLogger()
|
||||
} else {
|
||||
logger = log.NewNopLogger()
|
||||
}
|
||||
|
||||
db := dbm.NewMemDB()
|
||||
|
||||
app := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, interBlockCacheOpt())
|
||||
|
||||
fmt.Printf(
|
||||
@@ -411,12 +271,16 @@ func TestAppStateDeterminism(t *testing.T) {
|
||||
)
|
||||
|
||||
_, _, err := simulation.SimulateFromSeed(
|
||||
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.sm),
|
||||
SimulationOperations(app, app.Codec(), config),
|
||||
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
|
||||
simapp.SimulationOperations(app, app.Codec(), config),
|
||||
app.ModuleAccountAddrs(), config,
|
||||
)
|
||||
require.NoError(t, err)
|
||||
|
||||
if config.Commit {
|
||||
simapp.PrintStats(db)
|
||||
}
|
||||
|
||||
appHash := app.LastCommitID().Hash
|
||||
appHashList[j] = appHash
|
||||
|
||||
@@ -429,82 +293,3 @@ func TestAppStateDeterminism(t *testing.T) {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkInvariants(b *testing.B) {
|
||||
logger := log.NewNopLogger()
|
||||
|
||||
config := simapp.NewConfigFromFlags()
|
||||
config.AllInvariants = false
|
||||
|
||||
dir, err := ioutil.TempDir("", "goleveldb-app-invariant-bench")
|
||||
if err != nil {
|
||||
fmt.Println(err)
|
||||
b.Fail()
|
||||
}
|
||||
db, err := sdk.NewLevelDB("simulation", dir)
|
||||
if err != nil {
|
||||
fmt.Println(err)
|
||||
b.Fail()
|
||||
}
|
||||
|
||||
defer func() {
|
||||
db.Close()
|
||||
os.RemoveAll(dir)
|
||||
}()
|
||||
|
||||
app := NewGaiaApp(logger, db, nil, true, simapp.FlagPeriodValue, interBlockCacheOpt())
|
||||
|
||||
// 2. Run parameterized simulation (w/o invariants)
|
||||
_, simParams, simErr := simulation.SimulateFromSeed(
|
||||
b, ioutil.Discard, app.BaseApp, simapp.AppStateFn(app.Codec(), app.sm),
|
||||
SimulationOperations(app, app.Codec(), config),
|
||||
app.ModuleAccountAddrs(), config,
|
||||
)
|
||||
|
||||
// export state and params before the simulation error is checked
|
||||
if config.ExportStatePath != "" {
|
||||
if err := exportStateToJSON(app, config.ExportStatePath); err != nil {
|
||||
fmt.Println(err)
|
||||
b.Fail()
|
||||
}
|
||||
}
|
||||
|
||||
if config.ExportParamsPath != "" {
|
||||
if err := simapp.ExportParamsToJSON(simParams, config.ExportParamsPath); err != nil {
|
||||
fmt.Println(err)
|
||||
b.Fail()
|
||||
}
|
||||
}
|
||||
|
||||
if simErr != nil {
|
||||
fmt.Println(simErr)
|
||||
b.FailNow()
|
||||
}
|
||||
|
||||
ctx := app.NewContext(true, abci.Header{Height: app.LastBlockHeight() + 1})
|
||||
|
||||
// 3. Benchmark each invariant separately
|
||||
//
|
||||
// NOTE: We use the crisis keeper as it has all the invariants registered with
|
||||
// their respective metadata which makes it useful for testing/benchmarking.
|
||||
for _, cr := range app.crisisKeeper.Routes() {
|
||||
cr := cr
|
||||
b.Run(fmt.Sprintf("%s/%s", cr.ModuleName, cr.Route), func(b *testing.B) {
|
||||
if res, stop := cr.Invar(ctx); stop {
|
||||
fmt.Printf("broken invariant at block %d of %d\n%s", ctx.BlockHeight()-1, config.NumBlocks, res)
|
||||
b.FailNow()
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// auxiliary function to export the app state to JSON
|
||||
func exportStateToJSON(app *GaiaApp, path string) error {
|
||||
fmt.Println("exporting app state...")
|
||||
appState, _, err := app.ExportAppStateAndValidators(false, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return ioutil.WriteFile(path, []byte(appState), 0644)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user