add error handling for indexer

app/app.go

@@ -287,7 +287,6 @@ func NewMinitiaApp(
 	app.SetEndBlocker(app.EndBlocker)
 
 	// setup BlockSDK
-
 	mempool, anteHandler, checkTx, prepareProposalHandler, processProposalHandler, err := setupBlockSDK(app, mempoolMaxTxs)
 	if err != nil {
 		tmos.Exit(err.Error())

app/indexer.go

@@ -60,7 +60,9 @@ func setupIndexer(
 	// Add your implementation here
 
 	kvIndexer, err := kvindexer.NewIndexer(app.GetBaseApp().Logger(), kvIndexerKeeper)
-	if err != nil || kvIndexer == nil {
+	if err != nil {
+		return nil, nil, nil, err
+	} else if kvIndexer == nil {
 		return nil, nil, nil, nil
 	}
 

app/keepers/keys.go

@@ -1,10 +1,12 @@
 package keepers
 
 import (
+	// cosmos mod imports
 	storetypes "cosmossdk.io/store/types"
 	"cosmossdk.io/x/feegrant"
 	upgradetypes "cosmossdk.io/x/upgrade/types"
 
+	// cosmos imports
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
@@ -13,6 +15,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/group"
 	capabilitytypes "github.com/cosmos/ibc-go/modules/capability/types"
 
+	// ibc imports
 	packetforwardtypes "github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v8/packetforward/types"
 	ratelimittypes "github.com/cosmos/ibc-apps/modules/rate-limiting/v8/types"
 	icacontrollertypes "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts/controller/types"
@@ -21,22 +24,24 @@ import (
 	ibctransfertypes "github.com/cosmos/ibc-go/v8/modules/apps/transfer/types"
 	ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
 
+	// initia ibc imports
 	ibchookstypes "github.com/initia-labs/initia/x/ibc-hooks/types"
 	ibcnfttransfertypes "github.com/initia-labs/initia/x/ibc/nft-transfer/types"
 	icaauthtypes "github.com/initia-labs/initia/x/intertx/types"
 
+	// initia imports
 	movetypes "github.com/initia-labs/initia/x/move/types"
 
+	// OPinit imports
 	opchildtypes "github.com/initia-labs/OPinit/x/opchild/types"
 
+	// skip imports
 	auctiontypes "github.com/skip-mev/block-sdk/v2/x/auction/types"
 	marketmaptypes "github.com/skip-mev/slinky/x/marketmap/types"
 	oracletypes "github.com/skip-mev/slinky/x/oracle/types"
 
 	// noble forwarding keeper
-
 	forwardingtypes "github.com/noble-assets/forwarding/v2/x/forwarding/types"
-	// kvindexer
 )
 
 func (appKeepers *AppKeepers) GenerateKeys() {