0g-chain/app/sim_test.go

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package app
import (
"encoding/json"
"fmt"
"os"
"testing"
"github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/cosmos/cosmos-sdk/simapp"
"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"
distr "github.com/cosmos/cosmos-sdk/x/distribution"
"github.com/cosmos/cosmos-sdk/x/gov"
"github.com/cosmos/cosmos-sdk/x/mint"
"github.com/cosmos/cosmos-sdk/x/params"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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"github.com/cosmos/cosmos-sdk/x/slashing"
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"github.com/cosmos/cosmos-sdk/x/staking"
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"github.com/cosmos/cosmos-sdk/x/supply"
"github.com/kava-labs/kava/x/auction"
"github.com/kava-labs/kava/x/bep3"
"github.com/kava-labs/kava/x/cdp"
"github.com/kava-labs/kava/x/incentive"
"github.com/kava-labs/kava/x/kavadist"
"github.com/kava-labs/kava/x/pricefeed"
validatorvesting "github.com/kava-labs/kava/x/validator-vesting"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
dbm "github.com/tendermint/tm-db"
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)
type StoreKeysPrefixes struct {
A sdk.StoreKey
B sdk.StoreKey
Prefixes [][]byte
}
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// TestMain runs setup and teardown code before all tests.
func TestMain(m *testing.M) {
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// set prefixes
config := sdk.GetConfig()
SetBech32AddressPrefixes(config)
config.Seal()
// load the values from simulation specific flags
simapp.GetSimulatorFlags()
// run tests
exitCode := m.Run()
os.Exit(exitCode)
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}
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// fauxMerkleModeOpt returns a BaseApp option to use a dbStoreAdapter instead of
// an IAVLStore for faster simulation speed.
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func fauxMerkleModeOpt(bapp *baseapp.BaseApp) {
bapp.SetFauxMerkleMode()
}
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// 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())
}
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func TestFullAppSimulation(t *testing.T) {
config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
if skip {
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t.Skip("skipping application simulation")
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}
require.NoError(t, err, "simulation setup failed")
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defer func() {
db.Close()
require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
require.Equal(t, appName, app.Name())
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// run randomized simulation
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_, simParams, simErr := simulation.SimulateFromSeed(
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
simapp.SimulationOperations(app, app.Codec(), config),
app.ModuleAccountAddrs(), config,
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)
// export state and simParams before the simulation error is checked
err = simapp.CheckExportSimulation(app, config, simParams)
require.NoError(t, err)
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require.NoError(t, simErr)
if config.Commit {
simapp.PrintStats(db)
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}
}
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func TestAppImportExport(t *testing.T) {
config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
if skip {
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t.Skip("skipping application import/export simulation")
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}
require.NoError(t, err, "simulation setup failed")
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defer func() {
db.Close()
require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
require.Equal(t, appName, app.Name())
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// Run randomized simulation
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_, simParams, simErr := simulation.SimulateFromSeed(
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
simapp.SimulationOperations(app, app.Codec(), config),
app.ModuleAccountAddrs(), config,
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)
// export state and simParams before the simulation error is checked
err = simapp.CheckExportSimulation(app, config, simParams)
require.NoError(t, err)
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require.NoError(t, simErr)
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if config.Commit {
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{})
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")
require.NoError(t, err, "simulation setup failed")
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defer func() {
newDB.Close()
require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewApp(log.NewNopLogger(), newDB, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
require.Equal(t, appName, newApp.Name())
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var genesisState GenesisState
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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storeKeysPrefixes := []StoreKeysPrefixes{
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{app.keys[baseapp.MainStoreKey], newApp.keys[baseapp.MainStoreKey], [][]byte{}},
{app.keys[auth.StoreKey], newApp.keys[auth.StoreKey], [][]byte{}},
{app.keys[staking.StoreKey], newApp.keys[staking.StoreKey],
[][]byte{
staking.UnbondingQueueKey, staking.RedelegationQueueKey, staking.ValidatorQueueKey,
}}, // ordering may change but it doesn't matter
{app.keys[slashing.StoreKey], newApp.keys[slashing.StoreKey], [][]byte{}},
{app.keys[mint.StoreKey], newApp.keys[mint.StoreKey], [][]byte{}},
{app.keys[distr.StoreKey], newApp.keys[distr.StoreKey], [][]byte{}},
{app.keys[supply.StoreKey], newApp.keys[supply.StoreKey], [][]byte{}},
{app.keys[params.StoreKey], newApp.keys[params.StoreKey], [][]byte{}},
{app.keys[gov.StoreKey], newApp.keys[gov.StoreKey], [][]byte{}},
{app.keys[auction.StoreKey], newApp.keys[auction.StoreKey], [][]byte{}},
{app.keys[bep3.StoreKey], newApp.keys[bep3.StoreKey], [][]byte{}},
{app.keys[cdp.StoreKey], newApp.keys[cdp.StoreKey], [][]byte{}},
{app.keys[incentive.StoreKey], newApp.keys[incentive.StoreKey], [][]byte{}},
{app.keys[kavadist.StoreKey], newApp.keys[kavadist.StoreKey], [][]byte{}},
{app.keys[pricefeed.StoreKey], newApp.keys[pricefeed.StoreKey], [][]byte{}},
{app.keys[validatorvesting.StoreKey], newApp.keys[validatorvesting.StoreKey], [][]byte{}},
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}
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for _, skp := range storeKeysPrefixes {
storeA := ctxA.KVStore(skp.A)
storeB := ctxB.KVStore(skp.B)
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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")
if len(failedKVAs) != 0 {
fmt.Printf("found %d non-equal key/value pairs between %s and %s\n", len(failedKVAs), skp.A, skp.B)
}
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) {
config, db, dir, logger, skip, err := simapp.SetupSimulation("leveldb-app-sim", "Simulation")
if skip {
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t.Skip("skipping application simulation after import")
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}
require.NoError(t, err, "simulation setup failed")
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defer func() {
db.Close()
require.NoError(t, os.RemoveAll(dir))
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}()
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app := NewApp(logger, db, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
require.Equal(t, appName, app.Name())
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// Run randomized simulation
stopEarly, simParams, simErr := simulation.SimulateFromSeed(
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
simapp.SimulationOperations(app, app.Codec(), config),
app.ModuleAccountAddrs(), config,
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)
// export state and simParams before the simulation error is checked
err = simapp.CheckExportSimulation(app, config, simParams)
require.NoError(t, err)
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require.NoError(t, simErr)
if config.Commit {
simapp.PrintStats(db)
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}
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if stopEarly {
fmt.Println("can't export or import a zero-validator genesis, exiting test...")
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return
}
fmt.Printf("exporting genesis...\n")
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appState, _, err := app.ExportAppStateAndValidators(true, []string{})
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")
require.NoError(t, err, "simulation setup failed")
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defer func() {
newDB.Close()
require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewApp(log.NewNopLogger(), newDB, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
require.Equal(t, appName, newApp.Name())
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newApp.InitChain(abci.RequestInitChain{
AppStateBytes: appState,
})
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_, _, err = simulation.SimulateFromSeed(
t, os.Stdout, newApp.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
simapp.SimulationOperations(newApp, newApp.Codec(), config),
newApp.ModuleAccountAddrs(), config,
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)
require.NoError(t, err)
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}
func TestAppStateDeterminism(t *testing.T) {
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if !simapp.FlagEnabledValue {
t.Skip("skipping application simulation")
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}
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config := simapp.NewConfigFromFlags()
config.InitialBlockHeight = 1
config.ExportParamsPath = ""
config.OnOperation = false
config.AllInvariants = false
config.ChainID = helpers.SimAppChainID
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numTimesToRunPerSeed := 2
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appHashList := make([]json.RawMessage, numTimesToRunPerSeed)
for j := 0; j < numTimesToRunPerSeed; j++ {
logger := log.NewNopLogger()
db := dbm.NewMemDB()
app := NewApp(logger, db, nil, true, simapp.FlagPeriodValue, interBlockCacheOpt())
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fmt.Printf(
"running non-determinism simulation; seed %d: attempt: %d/%d\n",
config.Seed, j+1, numTimesToRunPerSeed,
)
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_, _, err := simulation.SimulateFromSeed(
t, os.Stdout, app.BaseApp, simapp.AppStateFn(app.Codec(), app.SimulationManager()),
simapp.SimulationOperations(app, app.Codec(), config),
app.ModuleAccountAddrs(), config,
)
require.NoError(t, err)
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appHash := app.LastCommitID().Hash
appHashList[j] = appHash
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if j != 0 {
require.Equal(
t, appHashList[0], appHashList[j],
"non-determinism in seed %d: attempt: %d/%d\n", config.Seed, j+1, numTimesToRunPerSeed,
)
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}
}
}