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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,93 +1,114 @@ | ||
| //go:build simulation | ||
|
|
||
| package app_test | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "math/rand" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/baseapp" | ||
| "github.com/cosmos/cosmos-sdk/simapp" | ||
| "github.com/cosmos/cosmos-sdk/simapp/helpers" | ||
| "github.com/cosmos/cosmos-sdk/store" | ||
| simulationtypes "github.com/cosmos/cosmos-sdk/types/simulation" | ||
| "github.com/cosmos/cosmos-sdk/x/simulation" | ||
| "github.com/stretchr/testify/require" | ||
| abci "github.com/tendermint/tendermint/abci/types" | ||
| tmproto "github.com/tendermint/tendermint/proto/tendermint/types" | ||
| tmtypes "github.com/tendermint/tendermint/types" | ||
|
|
||
| "github.com/scorum/cosmos-network/app" | ||
| "github.com/stretchr/testify/require" | ||
| "github.com/tendermint/tendermint/libs/log" | ||
| dbm "github.com/tendermint/tm-db" | ||
| ) | ||
|
|
||
| func init() { | ||
| simapp.GetSimulatorFlags() | ||
| } | ||
|
|
||
| var defaultConsensusParams = &abci.ConsensusParams{ | ||
| Block: &abci.BlockParams{ | ||
| MaxBytes: 200000, | ||
| MaxGas: 2000000, | ||
| }, | ||
| Evidence: &tmproto.EvidenceParams{ | ||
| MaxAgeNumBlocks: 302400, | ||
| MaxAgeDuration: 504 * time.Hour, // 3 weeks is the max duration | ||
| MaxBytes: 10000, | ||
| }, | ||
| Validator: &tmproto.ValidatorParams{ | ||
| PubKeyTypes: []string{ | ||
| tmtypes.ABCIPubKeyTypeEd25519, | ||
| }, | ||
| }, | ||
| // interBlockCacheOpt returns a BaseApp option function that sets the persistent | ||
| // inter-block write-through cache. | ||
| func interBlockCacheOpt() func(*baseapp.BaseApp) { | ||
| return baseapp.SetInterBlockCache(store.NewCommitKVStoreCacheManager()) | ||
| } | ||
|
|
||
| // BenchmarkSimulation run the chain simulation | ||
| // Running using starport command: | ||
| // `ignite chain simulate -v --numBlocks 200 --blockSize 50` | ||
| // Running as go benchmark test: | ||
| // `go test -benchmem -run=^$ -bench ^BenchmarkSimulation ./app -NumBlocks=200 -BlockSize 50 -Commit=true -Verbose=true -Enabled=true` | ||
| func BenchmarkSimulation(b *testing.B) { | ||
| simapp.FlagEnabledValue = true | ||
| simapp.FlagCommitValue = true | ||
|
|
||
| config, db, dir, logger, _, err := simapp.SetupSimulation("goleveldb-app-sim", "Simulation") | ||
| require.NoError(b, err, "simulation setup failed") | ||
|
|
||
| b.Cleanup(func() { | ||
| db.Close() | ||
| err = os.RemoveAll(dir) | ||
| require.NoError(b, err) | ||
| }) | ||
|
|
||
| encoding := app.MakeEncodingConfig() | ||
|
|
||
| app := app.New( | ||
| logger, | ||
| db, | ||
| nil, | ||
| true, | ||
| map[int64]bool{}, | ||
| app.DefaultNodeHome, | ||
| 0, | ||
| encoding, | ||
| simapp.EmptyAppOptions{}, | ||
| ) | ||
|
|
||
| // Run randomized simulations | ||
| _, simParams, simErr := simulation.SimulateFromSeed( | ||
| b, | ||
| os.Stdout, | ||
| app.BaseApp, | ||
| simapp.AppStateFn(app.AppCodec(), app.SimulationManager()), | ||
| simulationtypes.RandomAccounts, | ||
| simapp.SimulationOperations(app, app.AppCodec(), config), | ||
| app.ModuleAccountAddrs(), | ||
| config, | ||
| app.AppCodec(), | ||
| ) | ||
|
|
||
| // export state and simParams before the simulation error is checked | ||
| err = simapp.CheckExportSimulation(app, config, simParams) | ||
| require.NoError(b, err) | ||
| require.NoError(b, simErr) | ||
|
|
||
| if config.Commit { | ||
| simapp.PrintStats(db) | ||
| func TestAppStateDeterminism(t *testing.T) { | ||
| config := simapp.NewConfigFromFlags() | ||
| config.InitialBlockHeight = 1 | ||
| config.ExportParamsPath = "" | ||
| config.OnOperation = false | ||
| config.AllInvariants = true | ||
| config.NumBlocks = 300 | ||
| config.BlockSize = 300 | ||
| config.Commit = true | ||
| config.ChainID = helpers.SimAppChainID | ||
|
|
||
| numSeeds := 2 | ||
| numTimesToRunPerSeed := 4 | ||
| appHashList := make([]json.RawMessage, numTimesToRunPerSeed) | ||
|
|
||
| for i := 0; i < numSeeds; i++ { | ||
| config.Seed = rand.Int63() | ||
|
|
||
| for j := 0; j < numTimesToRunPerSeed; j++ { | ||
| var logger log.Logger | ||
| if simapp.FlagVerboseValue { | ||
| logger = log.TestingLogger() | ||
| } else { | ||
| logger = log.NewNopLogger() | ||
| } | ||
|
|
||
| db := dbm.NewMemDB() | ||
| app := app.New( | ||
| logger, | ||
| db, | ||
| nil, | ||
| true, | ||
| map[int64]bool{}, | ||
| simapp.DefaultNodeHome, | ||
| simapp.FlagPeriodValue, | ||
| app.MakeEncodingConfig(), | ||
| simapp.EmptyAppOptions{}, | ||
| interBlockCacheOpt(), | ||
| ) | ||
|
|
||
| fmt.Printf( | ||
| "running non-determinism simulation; seed %d: %d/%d, attempt: %d/%d\n", | ||
| config.Seed, i+1, numSeeds, j+1, numTimesToRunPerSeed, | ||
| ) | ||
|
|
||
| _, _, err := simulation.SimulateFromSeed( | ||
| t, | ||
| os.Stdout, | ||
| app.BaseApp, | ||
| simapp.AppStateFn(app.AppCodec(), app.SimulationManager()), | ||
| simulationtypes.RandomAccounts, // Replace with own random account function if using keys other than secp256k1 | ||
| simapp.SimulationOperations(app, app.AppCodec(), config), | ||
| app.ModuleAccountAddrs(), | ||
| config, | ||
| app.AppCodec(), | ||
| ) | ||
| require.NoError(t, err) | ||
|
|
||
| if config.Commit { | ||
| PrintStats(db) | ||
| } | ||
|
|
||
| appHash := app.LastCommitID().Hash | ||
| appHashList[j] = appHash | ||
|
|
||
| if j != 0 { | ||
| require.Equal( | ||
| t, string(appHashList[0]), string(appHashList[j]), | ||
| "non-determinism in seed %d: %d/%d, attempt: %d/%d\n", config.Seed, i+1, numSeeds, j+1, numTimesToRunPerSeed, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // PrintStats prints the corresponding statistics from the app DB. | ||
| func PrintStats(db dbm.DB) { | ||
| fmt.Println("\nLevelDB Stats") | ||
| fmt.Println(db.Stats()["leveldb.stats"]) | ||
| fmt.Println("LevelDB cached block size", db.Stats()["leveldb.cachedblock"]) | ||
| } |
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