fix(db): Fix pebbleDB integration (#23552)

Author: alpe

simapp/v2/sim_runner.go

@@ -135,10 +135,11 @@ func SetupTestInstance[T Tx, V SimulationApp[T]](
 	appFactory AppFactory[T, V],
 	appConfigFactory AppConfigFactory,
 	randSource simsxv2.RandSource,
+	dbBackend string,
 ) TestInstance[T] {
 	tb.Helper()
 	vp := viper.New()
-	vp.Set("store.app-db-backend", "memdb")
+	vp.Set("store.app-db-backend", dbBackend)
 	vp.Set("home", tb.TempDir())
 
 	depInjCfg := depinject.Configs(
@@ -251,7 +252,7 @@ func RunWithRandSource[T Tx, V SimulationApp[T]](
 	require.NotEmpty(tb, initialBlockHeight, "initial block height must not be 0")
 
 	setupFn := func(ctx context.Context, r *rand.Rand) (TestInstance[T], ChainState[T], []simtypes.Account) {
-		testInstance := SetupTestInstance[T, V](tb, appFactory, appConfigFactory, randSource)
+		testInstance := SetupTestInstance[T, V](tb, appFactory, appConfigFactory, randSource, tCfg.DBBackend)
 		accounts, genesisAppState, chainID, genesisTimestamp := prepareInitialGenesisState(
 			testInstance.App,
 			r,

simapp/v2/sim_test.go

@@ -96,7 +96,7 @@ func TestAppSimulationAfterImport(t *testing.T) {
 		chainID := SimAppChainID + "_2"
 
 		importGenesisChainStateFactory := func(ctx context.Context, r *rand.Rand) (TestInstance[Tx], ChainState[Tx], []simtypes.Account) {
-			testInstance := SetupTestInstance(tb, appFactory, AppConfig, ti.RandSource)
+			testInstance := SetupTestInstance(tb, appFactory, AppConfig, ti.RandSource, cfg.DBBackend)
 			newCs := testInstance.InitializeChain(
 				tb,
 				ctx,
@@ -136,7 +136,7 @@ func TestAppImportExport(t *testing.T) {
 		chainID := SimAppChainID
 		tb.Log("importing genesis...\n")
 
-		newTestInstance := SetupTestInstance(tb, appFactory, AppConfig, ti.RandSource)
+		newTestInstance := SetupTestInstance(tb, appFactory, AppConfig, ti.RandSource, cfg.DBBackend)
 		newTestInstance.InitializeChain(
 			tb,
 			context.Background(),

store/v2/CHANGELOG.md

@@ -29,6 +29,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * [#23013](https://github.com/cosmos/cosmos-sdk/pull/23013) Support memDB for sims
 
+### Bug Fixes
+
+* [#23552](https://github.com/cosmos/cosmos-sdk/pull/23552) Fix pebbleDB integration
 
 ## [v2.0.0-beta.2](https://github.com/cosmos/cosmos-sdk/releases/tag/store/v2.0.0-beta.2)
 

store/v2/db/pebbledb.go

@@ -72,7 +72,7 @@ func (db *PebbleDB) Get(key []byte) ([]byte, error) {
 		return nil, fmt.Errorf("failed to perform PebbleDB read: %w", err)
 	}
 
-	return bz, closer.Close()
+	return slices.Clone(bz), closer.Close()
 }
 
 func (db *PebbleDB) Has(key []byte) (bool, error) {

x/simulation/client/cli/flags.go

@@ -46,7 +46,7 @@ func GetSimulatorFlags() {
 	flag.IntVar(&FlagBlockSizeValue, "BlockSize", 200, "operations per block")
 	flag.BoolVar(&FlagLeanValue, "Lean", false, "lean simulation log output")
 	flag.BoolVar(&FlagCommitValue, "Commit", true, "have the simulation commit")
-	flag.StringVar(&FlagDBBackendValue, "DBBackend", "goleveldb", "custom db backend type: goleveldb, memdb")
+	flag.StringVar(&FlagDBBackendValue, "DBBackend", "memdb", "custom db backend type: goleveldb, pebbledb, memdb")
 
 	// simulation flags
 	flag.BoolVar(&FlagEnabledValue, "Enabled", false, "enable the simulation")