wasmd/app/sim_test.go

259 lines
9.2 KiB
Go

package app
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"testing"
"time"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/simapp"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/cosmos/cosmos-sdk/types/module"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
evidencetypes "github.com/cosmos/cosmos-sdk/x/evidence/types"
"github.com/cosmos/cosmos-sdk/x/feegrant"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/cosmos/cosmos-sdk/x/simulation"
slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
ibctransfertypes "github.com/cosmos/ibc-go/v4/modules/apps/transfer/types"
ibchost "github.com/cosmos/ibc-go/v4/modules/core/24-host"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/libs/log"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
dbm "github.com/tendermint/tm-db"
"github.com/CosmWasm/wasmd/x/wasm"
wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
)
// Get flags every time the simulator is run
func init() {
simapp.GetSimulatorFlags()
}
type StoreKeysPrefixes struct {
A sdk.StoreKey
B sdk.StoreKey
Prefixes [][]byte
}
// SetupSimulation wraps simapp.SetupSimulation in order to create any export directory if they do not exist yet
func SetupSimulation(dirPrefix, dbName string) (simtypes.Config, dbm.DB, string, log.Logger, bool, error) {
config, db, dir, logger, skip, err := simapp.SetupSimulation(dirPrefix, dbName)
if err != nil {
return simtypes.Config{}, nil, "", nil, false, err
}
paths := []string{config.ExportParamsPath, config.ExportStatePath, config.ExportStatsPath}
for _, path := range paths {
if len(path) == 0 {
continue
}
path = filepath.Dir(path)
if _, err := os.Stat(path); os.IsNotExist(err) {
if err := os.MkdirAll(path, os.ModePerm); err != nil {
panic(err)
}
}
}
return config, db, dir, logger, skip, err
}
// GetSimulationLog unmarshals the KVPair's Value to the corresponding type based on the
// each's module store key and the prefix bytes of the KVPair's key.
func GetSimulationLog(storeName string, sdr sdk.StoreDecoderRegistry, kvAs, kvBs []kv.Pair) (log string) {
for i := 0; i < len(kvAs); i++ {
if len(kvAs[i].Value) == 0 && len(kvBs[i].Value) == 0 {
// skip if the value doesn't have any bytes
continue
}
decoder, ok := sdr[storeName]
if ok {
log += decoder(kvAs[i], kvBs[i])
} else {
log += fmt.Sprintf("store A %q => %q\nstore B %q => %q\n", kvAs[i].Key, kvAs[i].Value, kvBs[i].Key, kvBs[i].Value)
}
}
return log
}
// fauxMerkleModeOpt returns a BaseApp option to use a dbStoreAdapter instead of
// an IAVLStore for faster simulation speed.
func fauxMerkleModeOpt(bapp *baseapp.BaseApp) {
bapp.SetFauxMerkleMode()
}
func TestAppImportExport(t *testing.T) {
config, db, dir, logger, skip, err := SetupSimulation("leveldb-app-sim", "Simulation")
if skip {
t.Skip("skipping application import/export simulation")
}
require.NoError(t, err, "simulation setup failed")
defer func() {
db.Close()
require.NoError(t, os.RemoveAll(dir))
}()
encConf := MakeEncodingConfig()
app := NewWasmApp(logger, db, nil, true, map[int64]bool{}, dir, simapp.FlagPeriodValue, encConf, wasm.EnableAllProposals, EmptyBaseAppOptions{}, nil, fauxMerkleModeOpt)
require.Equal(t, appName, app.Name())
// Run randomized simulation
_, simParams, simErr := simulation.SimulateFromSeed(
t,
os.Stdout,
app.BaseApp,
AppStateFn(app.AppCodec(), app.SimulationManager()),
simtypes.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(t, err)
require.NoError(t, simErr)
if config.Commit {
simapp.PrintStats(db)
}
t.Log("exporting genesis...")
exported, err := app.ExportAppStateAndValidators(false, []string{})
require.NoError(t, err)
t.Log("importing genesis...")
_, newDB, newDir, _, _, err := SetupSimulation("leveldb-app-sim-2", "Simulation-2")
require.NoError(t, err, "simulation setup failed")
defer func() {
newDB.Close()
require.NoError(t, os.RemoveAll(newDir))
}()
newApp := NewWasmApp(logger, newDB, nil, true, map[int64]bool{}, newDir, simapp.FlagPeriodValue, encConf, wasm.EnableAllProposals, EmptyBaseAppOptions{}, nil, fauxMerkleModeOpt)
require.Equal(t, appName, newApp.Name())
var genesisState GenesisState
err = json.Unmarshal(exported.AppState, &genesisState)
require.NoError(t, err)
ctxA := app.NewContext(true, tmproto.Header{Height: app.LastBlockHeight()})
ctxB := newApp.NewContext(true, tmproto.Header{Height: app.LastBlockHeight()})
newApp.mm.InitGenesis(ctxB, app.AppCodec(), genesisState)
newApp.StoreConsensusParams(ctxB, exported.ConsensusParams)
t.Log("comparing stores...")
storeKeysPrefixes := []StoreKeysPrefixes{
{app.keys[authtypes.StoreKey], newApp.keys[authtypes.StoreKey], [][]byte{}},
{
app.keys[stakingtypes.StoreKey], newApp.keys[stakingtypes.StoreKey],
[][]byte{
stakingtypes.UnbondingQueueKey, stakingtypes.RedelegationQueueKey, stakingtypes.ValidatorQueueKey,
stakingtypes.HistoricalInfoKey,
},
},
{app.keys[slashingtypes.StoreKey], newApp.keys[slashingtypes.StoreKey], [][]byte{}},
{app.keys[minttypes.StoreKey], newApp.keys[minttypes.StoreKey], [][]byte{}},
{app.keys[distrtypes.StoreKey], newApp.keys[distrtypes.StoreKey], [][]byte{}},
{app.keys[banktypes.StoreKey], newApp.keys[banktypes.StoreKey], [][]byte{banktypes.BalancesPrefix}},
{app.keys[paramstypes.StoreKey], newApp.keys[paramstypes.StoreKey], [][]byte{}},
{app.keys[govtypes.StoreKey], newApp.keys[govtypes.StoreKey], [][]byte{}},
{app.keys[evidencetypes.StoreKey], newApp.keys[evidencetypes.StoreKey], [][]byte{}},
{app.keys[capabilitytypes.StoreKey], newApp.keys[capabilitytypes.StoreKey], [][]byte{}},
{app.keys[ibchost.StoreKey], newApp.keys[ibchost.StoreKey], [][]byte{}},
{app.keys[ibctransfertypes.StoreKey], newApp.keys[ibctransfertypes.StoreKey], [][]byte{}},
{app.keys[authzkeeper.StoreKey], newApp.keys[authzkeeper.StoreKey], [][]byte{}},
{app.keys[feegrant.StoreKey], newApp.keys[feegrant.StoreKey], [][]byte{}},
{app.keys[wasm.StoreKey], newApp.keys[wasm.StoreKey], [][]byte{}},
}
// delete persistent tx counter value
ctxA.KVStore(app.keys[wasm.StoreKey]).Delete(wasmtypes.TXCounterPrefix)
// diff both stores
for _, skp := range storeKeysPrefixes {
storeA := ctxA.KVStore(skp.A)
storeB := ctxB.KVStore(skp.B)
failedKVAs, failedKVBs := sdk.DiffKVStores(storeA, storeB, skp.Prefixes)
require.Equal(t, len(failedKVAs), len(failedKVBs), "unequal sets of key-values to compare")
t.Logf("compared %d different key/value pairs between %s and %s\n", len(failedKVAs), skp.A, skp.B)
require.Len(t, failedKVAs, 0, GetSimulationLog(skp.A.Name(), app.SimulationManager().StoreDecoders, failedKVAs, failedKVBs))
}
}
func TestFullAppSimulation(t *testing.T) {
config, db, dir, logger, skip, err := SetupSimulation("leveldb-app-sim", "Simulation")
if skip {
t.Skip("skipping application simulation")
}
require.NoError(t, err, "simulation setup failed")
defer func() {
db.Close()
require.NoError(t, os.RemoveAll(dir))
}()
encConf := MakeEncodingConfig()
app := NewWasmApp(logger, db, nil, true, map[int64]bool{}, t.TempDir(), simapp.FlagPeriodValue,
encConf, wasm.EnableAllProposals, simapp.EmptyAppOptions{}, nil, fauxMerkleModeOpt)
require.Equal(t, "WasmApp", app.Name())
// run randomized simulation
_, simParams, simErr := simulation.SimulateFromSeed(
t,
os.Stdout,
app.BaseApp,
AppStateFn(app.appCodec, app.SimulationManager()),
simtypes.RandomAccounts, // Replace with own random account function if using keys other than secp256k1
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(t, err)
require.NoError(t, simErr)
if config.Commit {
simapp.PrintStats(db)
}
}
// AppStateFn returns the initial application state using a genesis or the simulation parameters.
// It panics if the user provides files for both of them.
// If a file is not given for the genesis or the sim params, it creates a randomized one.
func AppStateFn(codec codec.Codec, manager *module.SimulationManager) simtypes.AppStateFn {
// quick hack to setup app state genesis with our app modules
simapp.ModuleBasics = ModuleBasics
if simapp.FlagGenesisTimeValue == 0 { // always set to have a block time
simapp.FlagGenesisTimeValue = time.Now().Unix()
}
return simapp.AppStateFn(codec, manager)
}