forked from cerc-io/laconicd-deprecated
297 lines
8.9 KiB
Go
297 lines
8.9 KiB
Go
package app
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import (
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"encoding/json"
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"fmt"
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"math/rand"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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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/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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distr "github.com/cosmos/cosmos-sdk/x/distribution"
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"github.com/cosmos/cosmos-sdk/x/gov"
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"github.com/cosmos/cosmos-sdk/x/mint"
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"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"
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)
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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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bapp.SetFauxMerkleMode()
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}
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// interBlockCacheOpt returns a BaseApp option function that sets the persistent
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// inter-block write-through cache.
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func interBlockCacheOpt() func(*baseapp.BaseApp) {
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return baseapp.SetInterBlockCache(store.NewCommitKVStoreCacheManager())
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}
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func TestFullAppSimulation(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 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 := NewEthermintApp(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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}
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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 := NewEthermintApp(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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// nolint: dogsled
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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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require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewEthermintApp(log.NewNopLogger(), newDB, nil, true, simapp.FlagPeriodValue, fauxMerkleModeOpt)
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require.Equal(t, appName, newApp.Name())
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var genesisState map[string]json.RawMessage
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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, app.Codec(), 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{}},
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{app.keys[auth.StoreKey], newApp.keys[auth.StoreKey], [][]byte{}},
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{app.keys[staking.StoreKey], newApp.keys[staking.StoreKey],
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[][]byte{
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staking.UnbondingQueueKey, staking.RedelegationQueueKey, staking.ValidatorQueueKey,
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staking.HistoricalInfoKey,
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}}, // ordering may change but it doesn't matter
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{app.keys[slashing.StoreKey], newApp.keys[slashing.StoreKey], [][]byte{}},
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{app.keys[mint.StoreKey], newApp.keys[mint.StoreKey], [][]byte{}},
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{app.keys[distr.StoreKey], newApp.keys[distr.StoreKey], [][]byte{}},
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{app.keys[supply.StoreKey], newApp.keys[supply.StoreKey], [][]byte{}},
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{app.keys[params.StoreKey], newApp.keys[params.StoreKey], [][]byte{}},
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{app.keys[gov.StoreKey], newApp.keys[gov.StoreKey], [][]byte{}},
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}
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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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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), 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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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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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 := NewEthermintApp(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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stopEarly, 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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if stopEarly {
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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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appState, _, err := app.ExportAppStateAndValidators(true, []string{})
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require.NoError(t, err)
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fmt.Printf("importing genesis...\n")
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// nolint: dosgsled
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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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require.NoError(t, os.RemoveAll(newDir))
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}()
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newApp := NewEthermintApp(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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_, _, err = simulation.SimulateFromSeed(
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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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func TestAppStateDeterminism(t *testing.T) {
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if !simapp.FlagEnabledValue {
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t.Skip("skipping application simulation")
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}
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config := simapp.NewConfigFromFlags()
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config.InitialBlockHeight = 1
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config.ExportParamsPath = ""
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config.OnOperation = false
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config.AllInvariants = false
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config.ChainID = helpers.SimAppChainID
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numTimesToRunPerSeed := 2
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appHashList := make([]json.RawMessage, numTimesToRunPerSeed)
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config.Seed = rand.Int63()
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for i := 0; i < numTimesToRunPerSeed; i++ {
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var logger log.Logger
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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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db := dbm.NewMemDB()
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app := NewEthermintApp(logger, db, nil, true, simapp.FlagPeriodValue, interBlockCacheOpt())
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fmt.Printf(
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"running non-determinism simulation; seed %d: attempt: %d/%d\n",
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config.Seed, i+1, numTimesToRunPerSeed,
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)
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_, _, err := 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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require.NoError(t, err)
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if config.Commit {
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simapp.PrintStats(db)
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}
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appHash := app.LastCommitID().Hash
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appHashList[i] = appHash
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if i != 0 {
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require.Equal(
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t, appHashList[0], appHashList[i],
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"non-determinism in seed %d: %d/%d, attempt: %d/%d\n", config.Seed, i+1, numTimesToRunPerSeed,
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)
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}
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}
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}
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