fix: remove unnecessary cms typecasting (#14054)

* fix: remove unnecessary cms typecasting

* Update baseapp/baseapp.go

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

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>
Co-authored-by: Julien Robert <julien@rbrt.fr>
Co-authored-by: Marko <marbar3778@yahoo.com>

CHANGELOG.md

@@ -96,6 +96,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [#13802](https://github.com/cosmos/cosmos-sdk/pull/13802) Add --output-document flag to the export CLI command to allow writing genesis state to a file.
 * [#13794](https://github.com/cosmos/cosmos-sdk/pull/13794) `types/module.Manager` now supports the
 `cosmossdk.io/core/appmodule.AppModule` API via the new `NewManagerFromMap` constructor.
+* [#14019](https://github.com/cosmos/cosmos-sdk/issues/14019) Remove the interface casting to allow other implementations of a `CommitMultiStore`.
 
 ### State Machine Breaking
 

baseapp/baseapp.go

@@ -17,7 +17,6 @@ import (
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	"github.com/cosmos/cosmos-sdk/snapshots"
 	"github.com/cosmos/cosmos-sdk/store"
-	"github.com/cosmos/cosmos-sdk/store/rootmulti"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
@@ -358,11 +357,11 @@ func (app *BaseApp) Init() error {
 	app.setProcessProposalState(emptyHeader)
 	app.Seal()
 
-	rms, ok := app.cms.(*rootmulti.Store)
-	if !ok {
-		return fmt.Errorf("invalid commit multi-store; expected %T, got: %T", &rootmulti.Store{}, app.cms)
-	}
-	return rms.GetPruning().Validate()
+if app.cms == nil {
+	return errors.New("commit multi-store must not be nil")
+}
+
+return app.cms.GetPruning().Validate()
 }
 
 func (app *BaseApp) setMinGasPrices(gasPrices sdk.DecCoins) {