feat: replace the cosmos-db.DB interface with core/store interface (backport #21450) (#21490)

Co-authored-by: Julien Robert <julien@rbrt.fr>

simapp/simd/cmd/commands.go

@@ -4,11 +4,11 @@ import (
 	"errors"
 	"io"
 
-	dbm "github.com/cosmos/cosmos-db"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
 	"cosmossdk.io/client/v2/offchain"
+	corestore "cosmossdk.io/core/store"
 	"cosmossdk.io/log"
 	"cosmossdk.io/simapp"
 	confixcmd "cosmossdk.io/tools/confix/cmd"
@@ -116,7 +116,7 @@ func txCommand() *cobra.Command {
 // newApp creates the application
 func newApp(
 	logger log.Logger,
-	db dbm.DB,
+	db corestore.KVStoreWithBatch,
 	traceStore io.Writer,
 	appOpts servertypes.AppOptions,
 ) servertypes.Application {
@@ -131,7 +131,7 @@ func newApp(
 // appExport creates a new simapp (optionally at a given height) and exports state.
 func appExport(
 	logger log.Logger,
-	db dbm.DB,
+	db corestore.KVStoreWithBatch,
 	traceStore io.Writer,
 	height int64,
 	forZeroHeight bool,