feat(app): update application init

app/app.go

@@ -9,7 +9,6 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
-	"slices"
 	"sort"
 
 	"github.com/CosmWasm/wasmd/x/wasm"
@@ -20,8 +19,6 @@ import (
 	"github.com/ignite/cli/ignite/pkg/openapiconsole"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/spf13/cast"
-	"google.golang.org/protobuf/reflect/protodesc"
-	"google.golang.org/protobuf/types/descriptorpb"
 
 	abci "github.com/cometbft/cometbft/abci/types"
 	tmos "github.com/cometbft/cometbft/libs/os"
@@ -111,6 +108,7 @@ import (
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 
+	ibccallbacks "github.com/cosmos/ibc-go/modules/apps/callbacks"
 	"github.com/cosmos/ibc-go/modules/capability"
 	capabilitykeeper "github.com/cosmos/ibc-go/modules/capability/keeper"
 	capabilitytypes "github.com/cosmos/ibc-go/modules/capability/types"
@@ -490,9 +488,10 @@ func New(
 
 	app.GovKeeper = *govKeeper.SetHooks(
 		govtypes.NewMultiGovHooks(
-		// register the governance hooks
+			// register the governance hooks
 		),
 	)
+
 	// Create IBC Keeper
 	app.IBCKeeper = ibckeeper.NewKeeper(
 		appCodec,
@@ -504,6 +503,16 @@ func New(
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 
+	// IBC Fee Module keeper
+	app.IBCFeeKeeper = ibcfeekeeper.NewKeeper(
+		appCodec, keys[ibcfeetypes.StoreKey],
+		app.IBCKeeper.ChannelKeeper, // may be replaced with IBC middleware
+		app.IBCKeeper.ChannelKeeper,
+		app.IBCKeeper.PortKeeper,
+		app.AccountKeeper,
+		app.BankKeeper,
+	)
+
 	// Create Transfer Keepers
 	app.TransferKeeper = ibctransferkeeper.NewKeeper(
 		appCodec,
@@ -518,16 +527,6 @@ func New(
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 
-	// IBC Fee Module keeper
-	app.IBCFeeKeeper = ibcfeekeeper.NewKeeper(
-		appCodec, keys[ibcfeetypes.StoreKey],
-		app.IBCKeeper.ChannelKeeper, // may be replaced with IBC middleware
-		app.IBCKeeper.ChannelKeeper,
-		app.IBCKeeper.PortKeeper,
-		app.AccountKeeper,
-		app.BankKeeper,
-	)
-
 	app.ICAHostKeeper = icahostkeeper.NewKeeper(
 		appCodec,
 		keys[icahosttypes.StoreKey],
@@ -540,6 +539,8 @@ func New(
 		app.MsgServiceRouter(),
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
+	// set grpc router for ica host
+	app.ICAHostKeeper.WithQueryRouter(app.GRPCQueryRouter())
 
 	app.ICAControllerKeeper = icacontrollerkeeper.NewKeeper(
 		appCodec,
@@ -611,31 +612,43 @@ func New(
 		wasmOpts...,
 	)
 
-	// Create Transfer Stack
-	var transferStack ibcporttypes.IBCModule
-	transferStack = transfer.NewIBCModule(app.TransferKeeper)
-	transferStack = ibcfee.NewIBCMiddleware(transferStack, app.IBCFeeKeeper)
+	// Create fee enabled wasm ibc Stack
+	var wasmStack ibcporttypes.IBCModule
+	wasmStackIBCHandler := wasm.NewIBCHandler(app.WasmKeeper, app.IBCKeeper.ChannelKeeper, app.IBCFeeKeeper)
+	wasmStack = ibcfee.NewIBCMiddleware(wasmStackIBCHandler, app.IBCFeeKeeper)
+
 	// Create Interchain Accounts Stack
 	// SendPacket, since it is originating from the application to core IBC:
 	// icaAuthModuleKeeper.SendTx -> icaController.SendPacket -> fee.SendPacket -> channel.SendPacket
 	var icaControllerStack ibcporttypes.IBCModule
+
 	// integration point for custom authentication modules
 	//nolint:lll
 	// see https://medium.com/the-interchain-foundation/ibc-go-v6-changes-to-interchain-accounts-and-how-it-impacts-your-chain-806c185300d7
 	var noAuthzModule ibcporttypes.IBCModule
 	icaControllerStack = icacontroller.NewIBCMiddleware(noAuthzModule, app.ICAControllerKeeper)
+	icaControllerStack = icacontroller.NewIBCMiddleware(icaControllerStack, app.ICAControllerKeeper)
+	icaControllerStack = ibccallbacks.NewIBCMiddleware(icaControllerStack, app.IBCFeeKeeper, wasmStackIBCHandler, wasm.DefaultMaxIBCCallbackGas)
+	icaICS4Wrapper := icaControllerStack.(ibcporttypes.ICS4Wrapper)
 	icaControllerStack = ibcfee.NewIBCMiddleware(icaControllerStack, app.IBCFeeKeeper)
 
+	// Since the callbacks middleware itself is an ics4wrapper, it needs to be passed to the ica controller keeper
+	app.ICAControllerKeeper.WithICS4Wrapper(icaICS4Wrapper)
+
 	// RecvPacket, message that originates from core IBC and goes down to app, the flow is:
 	// channel.RecvPacket -> fee.OnRecvPacket -> icaHost.OnRecvPacket
 	var icaHostStack ibcporttypes.IBCModule
 	icaHostStack = icahost.NewIBCModule(app.ICAHostKeeper)
 	icaHostStack = ibcfee.NewIBCMiddleware(icaHostStack, app.IBCFeeKeeper)
 
-	// Create fee enabled wasm ibc Stack
-	var wasmStack ibcporttypes.IBCModule
-	wasmStack = wasm.NewIBCHandler(app.WasmKeeper, app.IBCKeeper.ChannelKeeper, app.IBCFeeKeeper)
-	wasmStack = ibcfee.NewIBCMiddleware(wasmStack, app.IBCFeeKeeper)
+	// Create Transfer Stack
+	var transferStack ibcporttypes.IBCModule
+	transferStack = transfer.NewIBCModule(app.TransferKeeper)
+	transferStack = ibccallbacks.NewIBCMiddleware(transferStack, app.IBCFeeKeeper, wasmStackIBCHandler, wasm.DefaultMaxIBCCallbackGas)
+	transferICS4Wrapper := transferStack.(ibcporttypes.ICS4Wrapper)
+	transferStack = ibcfee.NewIBCMiddleware(transferStack, app.IBCFeeKeeper)
+	// Since the callbacks middleware itself is an ics4wrapper, it needs to be passed to the ica controller keeper
+	app.TransferKeeper.WithICS4Wrapper(transferICS4Wrapper)
 
 	// Create static IBC router, add transfer route, then set and seal it
 	ibcRouter := ibcporttypes.NewRouter()