app.go

package app

import (
	"encoding/json"
	"fmt"
	"io"
	"os"
	"path/filepath"

	autocliv1 "cosmossdk.io/api/cosmos/autocli/v1"
	reflectionv1 "cosmossdk.io/api/cosmos/reflection/v1"
	"cosmossdk.io/client/v2/autocli"
	"cosmossdk.io/core/appmodule"
	"cosmossdk.io/log"
	storetypes "cosmossdk.io/store/types"
	"cosmossdk.io/x/tx/signing"
	"cosmossdk.io/x/upgrade"
	upgradekeeper "cosmossdk.io/x/upgrade/keeper"
	upgradetypes "cosmossdk.io/x/upgrade/types"
	abci "github.com/cometbft/cometbft/abci/types"
	cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
	dbm "github.com/cosmos/cosmos-db"
	"github.com/cosmos/cosmos-sdk/baseapp"
	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/client/flags"
	"github.com/cosmos/cosmos-sdk/client/grpc/cmtservice"
	nodeservice "github.com/cosmos/cosmos-sdk/client/grpc/node"
	"github.com/cosmos/cosmos-sdk/codec"
	"github.com/cosmos/cosmos-sdk/codec/address"
	"github.com/cosmos/cosmos-sdk/codec/types"
	"github.com/cosmos/cosmos-sdk/runtime"
	runtimeservices "github.com/cosmos/cosmos-sdk/runtime/services"
	"github.com/cosmos/cosmos-sdk/server"
	"github.com/cosmos/cosmos-sdk/server/api"
	"github.com/cosmos/cosmos-sdk/server/config"
	servertypes "github.com/cosmos/cosmos-sdk/server/types"
	"github.com/cosmos/cosmos-sdk/std"
	"github.com/cosmos/cosmos-sdk/testutil/testdata"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/module"
	"github.com/cosmos/cosmos-sdk/types/msgservice"
	"github.com/cosmos/cosmos-sdk/version"
	"github.com/cosmos/cosmos-sdk/x/auth"
	authcodec "github.com/cosmos/cosmos-sdk/x/auth/codec"
	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
	"github.com/cosmos/cosmos-sdk/x/bank"
	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
	"github.com/cosmos/cosmos-sdk/x/consensus"
	consensusparamkeeper "github.com/cosmos/cosmos-sdk/x/consensus/keeper"
	consensusparamtypes "github.com/cosmos/cosmos-sdk/x/consensus/types"
	"github.com/cosmos/cosmos-sdk/x/distribution"
	distrkeeper "github.com/cosmos/cosmos-sdk/x/distribution/keeper"
	distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
	"github.com/cosmos/cosmos-sdk/x/genutil"
	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
	"github.com/cosmos/cosmos-sdk/x/gov"
	govclient "github.com/cosmos/cosmos-sdk/x/gov/client"
	govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
	govv1beta1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
	"github.com/cosmos/cosmos-sdk/x/params"
	paramsclient "github.com/cosmos/cosmos-sdk/x/params/client"
	paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
	paramproposal "github.com/cosmos/cosmos-sdk/x/params/types/proposal"
	"github.com/cosmos/cosmos-sdk/x/staking"
	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
	"github.com/cosmos/gogoproto/proto"
	"github.com/spf13/cast"

	auction "github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction"
	abci2 "github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction/abci"
	auctionkeeper "github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction/keeper"
	mempool2 "github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction/mempool"
	auctionmod "github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction/module"
	"github.com/cosmos/sdk-tutorials/tutorials/nameservice/base/x/auction/provider"
)

const (
	Bech32Prefix         = "cosmos"
	AppName              = "tutorial"
	DefaultDenom         = "uatom"
	Bech32PrefixAccAddr  = Bech32Prefix
	Bech32PrefixAccPub   = Bech32Prefix + "pub"
	Bech32PrefixValAddr  = Bech32Prefix + "valoper"
	Bech32PrefixValPub   = Bech32Prefix + "valoperpub"
	Bech32PrefixConsAddr = Bech32Prefix + "valcons"
	Bech32PrefixConsPub  = Bech32Prefix + "valconspub"
)

var (
	DefaultNodeHome string
	// module account permissions
	maccPerms = map[string][]string{
		authtypes.FeeCollectorName:     nil,
		distrtypes.ModuleName:          nil,
		stakingtypes.BondedPoolName:    {authtypes.Burner, authtypes.Staking},
		stakingtypes.NotBondedPoolName: {authtypes.Burner, authtypes.Staking},
		govtypes.ModuleName:            {authtypes.Burner},
		auction.ModuleName:             nil,
	}
)

var (
	_ runtime.AppI            = (*ExampleApp)(nil)
	_ servertypes.Application = (*ExampleApp)(nil)
)

type ExampleApp struct {
	*baseapp.BaseApp

	legacyAmino       *codec.LegacyAmino
	appCodec          codec.Codec
	txConfig          client.TxConfig
	interfaceRegistry types.InterfaceRegistry

	keys  map[string]*storetypes.KVStoreKey
	tkeys map[string]*storetypes.TransientStoreKey

	// keepers
	AccountKeeper         authkeeper.AccountKeeper
	BankKeeper            bankkeeper.Keeper
	StakingKeeper         *stakingkeeper.Keeper
	DistrKeeper           distrkeeper.Keeper
	GovKeeper             govkeeper.Keeper
	UpgradeKeeper         *upgradekeeper.Keeper
	ParamsKeeper          paramskeeper.Keeper
	ConsensusParamsKeeper consensusparamkeeper.Keeper
	auctionKeeper         auctionkeeper.Keeper

	mm           *module.Manager
	BasicManager module.BasicManager

	simulationManager *module.SimulationManager

	configurator module.Configurator
}

func init() {
	userHomeDir, err := os.UserHomeDir()
	if err != nil {
		panic(err)
	}

	DefaultNodeHome = filepath.Join(userHomeDir, "")
}

func NewExampleApp(
	logger log.Logger,
	db dbm.DB,
	traceStore io.Writer,
	loadLatest bool,
	skipUpgradeHeights map[int64]bool,
	valKeyName string,
	appOpts servertypes.AppOptions,
	baseAppOptions ...func(*baseapp.BaseApp),
) *ExampleApp {
	homePath := cast.ToString(appOpts.Get(flags.FlagHome))
	// Set demo flag
	runProvider := cast.ToBool(appOpts.Get(auction.FlagRunProvider))

	interfaceRegistry, _ := types.NewInterfaceRegistryWithOptions(types.InterfaceRegistryOptions{
		ProtoFiles: proto.HybridResolver,
		SigningOptions: signing.Options{
			AddressCodec: address.Bech32Codec{
				Bech32Prefix: sdk.GetConfig().GetBech32AccountAddrPrefix(),
			},
			ValidatorAddressCodec: address.Bech32Codec{
				Bech32Prefix: sdk.GetConfig().GetBech32ValidatorAddrPrefix(),
			},
		},
	})
	appCodec := codec.NewProtoCodec(interfaceRegistry)
	legacyAmino := codec.NewLegacyAmino()
	txConfig := authtx.NewTxConfig(appCodec, authtx.DefaultSignModes)

	std.RegisterLegacyAminoCodec(legacyAmino)
	std.RegisterInterfaces(interfaceRegistry)

	/*
		*************************
		Configure Appside mempool
		*************************
	*/

	mempool := mempool2.NewThresholdMempool(logger)
	baseAppOptions = append(baseAppOptions, func(app *baseapp.BaseApp) {
		app.SetMempool(mempool)
	})

	bApp := baseapp.NewBaseApp(AppName, logger, db, txConfig.TxDecoder(), baseAppOptions...)
	bApp.SetCommitMultiStoreTracer(traceStore)
	bApp.SetVersion(version.Version)
	bApp.SetInterfaceRegistry(interfaceRegistry)
	bApp.SetTxEncoder(txConfig.TxEncoder())
	keys := storetypes.NewKVStoreKeys(
		authtypes.StoreKey,
		banktypes.StoreKey,
		stakingtypes.StoreKey,
		distrtypes.StoreKey,
		govtypes.StoreKey,
		paramstypes.StoreKey,
		upgradetypes.StoreKey,
		consensusparamtypes.StoreKey,
		auction.StoreKey,
	)

	// register streaming services
	if err := bApp.RegisterStreamingServices(appOpts, keys); err != nil {
		panic(err)
	}

	tkeys := storetypes.NewTransientStoreKeys(paramstypes.TStoreKey)

	app := &ExampleApp{
		BaseApp:           bApp,
		legacyAmino:       legacyAmino,
		txConfig:          txConfig,
		appCodec:          appCodec,
		interfaceRegistry: interfaceRegistry,
		keys:              keys,
		tkeys:             tkeys,
	}

	moduleAccountAddresses := app.ModuleAccountAddrs()
	blockedAddr := app.BlockedModuleAccountAddrs(moduleAccountAddresses)

	app.AccountKeeper = authkeeper.NewAccountKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[authtypes.StoreKey]),
		authtypes.ProtoBaseAccount,
		maccPerms,
		authcodec.NewBech32Codec(sdk.Bech32MainPrefix),
		sdk.Bech32MainPrefix,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	/*
		*************************
		Configure ABCI++ Handlers
		*************************
	*/
	bp := &provider.LocalTxProvider{
		Logger: logger,
		Codec:  app.appCodec,
		Signer: provider.LocalSigner{
			KeyName:    valKeyName,
			KeyringDir: homePath,
		},
		TxConfig:   app.txConfig,
		AcctKeeper: app.AccountKeeper,
	}
	if err := bp.Init(); err != nil {
		panic(err)
	}
	voteExtHandler := abci2.NewVoteExtensionHandler(logger, mempool, appCodec)
	prepareProposalHandler := abci2.NewPrepareProposalHandler(logger, app.txConfig, appCodec, mempool, bp, runProvider)
	processPropHandler := abci2.ProcessProposalHandler{TxConfig: app.txConfig, Codec: appCodec, Logger: logger}
	bApp.SetPrepareProposal(prepareProposalHandler.PrepareProposalHandler())
	bApp.SetProcessProposal(processPropHandler.ProcessProposalHandler())
	bApp.SetExtendVoteHandler(voteExtHandler.ExtendVoteHandler())

	app.ParamsKeeper = initParamsKeeper(appCodec, legacyAmino, keys[paramstypes.StoreKey], tkeys[paramstypes.TStoreKey])

	// set the BaseApp's parameter store
	app.ConsensusParamsKeeper = consensusparamkeeper.NewKeeper(appCodec, runtime.NewKVStoreService(keys[consensusparamtypes.StoreKey]), authtypes.NewModuleAddress(govtypes.ModuleName).String(), runtime.EventService{})
	bApp.SetParamStore(app.ConsensusParamsKeeper.ParamsStore)

	// SDK module keepers

	// add keepers
	app.AccountKeeper = authkeeper.NewAccountKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[authtypes.StoreKey]),
		authtypes.ProtoBaseAccount,
		maccPerms,
		authcodec.NewBech32Codec(sdk.Bech32MainPrefix),
		sdk.Bech32MainPrefix,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	app.BankKeeper = bankkeeper.NewBaseKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[banktypes.StoreKey]),
		app.AccountKeeper,
		blockedAddr,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
		logger,
	)

	app.StakingKeeper = stakingkeeper.NewKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[stakingtypes.StoreKey]),
		app.AccountKeeper,
		app.BankKeeper,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
		authcodec.NewBech32Codec(sdk.Bech32PrefixValAddr),
		authcodec.NewBech32Codec(sdk.Bech32PrefixConsAddr),
	)

	app.DistrKeeper = distrkeeper.NewKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[distrtypes.StoreKey]),
		app.AccountKeeper,
		app.BankKeeper,
		app.StakingKeeper,
		authtypes.FeeCollectorName,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	app.UpgradeKeeper = upgradekeeper.NewKeeper(
		skipUpgradeHeights,
		runtime.NewKVStoreService(keys[upgradetypes.StoreKey]),
		appCodec,
		homePath,
		app.BaseApp,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	govRouter := govv1beta1.NewRouter()
	govRouter.AddRoute(govtypes.RouterKey, govv1beta1.ProposalHandler).
		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper))

	govConfig := govtypes.DefaultConfig()

	govKeeper := govkeeper.NewKeeper(
		appCodec,
		runtime.NewKVStoreService(keys[govtypes.StoreKey]),
		app.AccountKeeper,
		app.BankKeeper,
		app.StakingKeeper,
		app.DistrKeeper,
		app.MsgServiceRouter(),
		govConfig,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	// Set legacy router for backwards compatibility with gov v1beta1
	govKeeper.SetLegacyRouter(govRouter)

	app.GovKeeper = *govKeeper.SetHooks(
		govtypes.NewMultiGovHooks(
		// register the governance hooks
		),
	)

	app.auctionKeeper = auctionkeeper.NewKeeper(
		appCodec,
		authcodec.NewBech32Codec(sdk.Bech32MainPrefix),
		runtime.NewKVStoreService(keys[auction.StoreKey]),
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
		app.BankKeeper,
		DefaultDenom,
	)

	app.mm = module.NewManager(
		genutil.NewAppModule(
			app.AccountKeeper, app.StakingKeeper, app,
			txConfig,
		),
		auth.NewAppModule(appCodec, app.AccountKeeper, nil, app.GetSubspace(authtypes.ModuleName)),
		bank.NewAppModule(appCodec, app.BankKeeper, app.AccountKeeper, app.GetSubspace(banktypes.ModuleName)),
		gov.NewAppModule(appCodec, &app.GovKeeper, app.AccountKeeper, app.BankKeeper, app.GetSubspace(govtypes.ModuleName)),
		distribution.NewAppModule(appCodec, app.DistrKeeper, app.AccountKeeper, app.BankKeeper, app.StakingKeeper, app.GetSubspace(distrtypes.ModuleName)),
		staking.NewAppModule(appCodec, app.StakingKeeper, app.AccountKeeper, app.BankKeeper, app.GetSubspace(stakingtypes.ModuleName)),
		upgrade.NewAppModule(app.UpgradeKeeper, app.AccountKeeper.AddressCodec()),
		params.NewAppModule(app.ParamsKeeper),
		consensus.NewAppModule(appCodec, app.ConsensusParamsKeeper),
		auctionmod.NewAppModule(appCodec, app.auctionKeeper),
	)

	// Basic manager
	app.BasicManager = module.NewBasicManagerFromManager(
		app.mm,
		map[string]module.AppModuleBasic{
			genutiltypes.ModuleName: genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator),
			govtypes.ModuleName: gov.NewAppModuleBasic(
				[]govclient.ProposalHandler{
					paramsclient.ProposalHandler,
				},
			),
		})

	app.BasicManager.RegisterLegacyAminoCodec(legacyAmino)
	app.BasicManager.RegisterInterfaces(interfaceRegistry)

	app.mm.SetOrderBeginBlockers(
		upgradetypes.ModuleName,
		distrtypes.ModuleName,
		stakingtypes.ModuleName,
		genutiltypes.ModuleName,
	)

	app.mm.SetOrderEndBlockers(
		govtypes.ModuleName,
		stakingtypes.ModuleName,
		genutiltypes.ModuleName,
	)

	genesisModuleOrder := []string{
		authtypes.ModuleName,
		banktypes.ModuleName,
		distrtypes.ModuleName,
		stakingtypes.ModuleName,
		govtypes.ModuleName,
		genutiltypes.ModuleName,
		paramstypes.ModuleName,
		upgradetypes.ModuleName,
		consensusparamtypes.ModuleName,
		auction.ModuleName,
	}

	app.mm.SetOrderInitGenesis(genesisModuleOrder...)
	app.mm.SetOrderExportGenesis(genesisModuleOrder...)

	app.configurator = module.NewConfigurator(
		app.appCodec,
		app.MsgServiceRouter(),
		app.GRPCQueryRouter(),
	)
	err := app.mm.RegisterServices(app.configurator)
	if err != nil {
		panic(err)
	}

	autocliv1.RegisterQueryServer(app.GRPCQueryRouter(), runtimeservices.NewAutoCLIQueryService(app.mm.Modules))

	reflectionSvc, err := runtimeservices.NewReflectionService()
	if err != nil {
		panic(err)
	}
	reflectionv1.RegisterReflectionServiceServer(app.GRPCQueryRouter(), reflectionSvc)

	testdata.RegisterQueryServer(app.GRPCQueryRouter(), testdata.QueryImpl{})

	// initialize stores
	app.MountKVStores(keys)
	app.MountTransientStores(tkeys)

	// <Upgrade handler setup here>
	// initialize BaseApp
	app.SetInitChainer(app.InitChainer)
	app.SetBeginBlocker(app.BeginBlocker)
	app.SetEndBlocker(app.EndBlocker)

	// app.setAnteHandler(txConfig)

	// At startup, after all modules have been registered, check that all prot
	// annotations are correct.
	protoFiles, err := proto.MergedRegistry()
	if err != nil {
		panic(err)
	}
	err = msgservice.ValidateProtoAnnotations(protoFiles)
	if err != nil {
		// Once we switch to using protoreflect-based antehandlers, we might
		// want to panic here instead of logging a warning.
		_, err := fmt.Fprintln(os.Stderr, err.Error())
		if err != nil {
			fmt.Println("could not write to stderr")
		}
	}

	if loadLatest {
		if err := app.LoadLatestVersion(); err != nil {
			panic(fmt.Errorf("error loading last version: %w", err))
		}
	}

	return app
}

func (app *ExampleApp) Name() string { return app.BaseApp.Name() }

// BeginBlocker application updates every begin block
func (app *ExampleApp) BeginBlocker(ctx sdk.Context) (sdk.BeginBlock, error) {
	return app.mm.BeginBlock(ctx)
}

// EndBlocker application updates every end block
func (app *ExampleApp) EndBlocker(ctx sdk.Context) (sdk.EndBlock, error) {
	return app.mm.EndBlock(ctx)
}

// InitChainer application update at chain initialization
func (app *ExampleApp) InitChainer(ctx sdk.Context, req *abci.RequestInitChain) (*abci.ResponseInitChain, error) {
	var genesisState GenesisState

	// Enable VE
	req.ConsensusParams = &cmtproto.ConsensusParams{
		Abci: &cmtproto.ABCIParams{
			VoteExtensionsEnableHeight: 1,
		},
	}

	if err := json.Unmarshal(req.AppStateBytes, &genesisState); err != nil {
		panic(err)
	}
	if err := app.UpgradeKeeper.SetModuleVersionMap(ctx, app.mm.GetVersionMap()); err != nil {
		return nil, err
	}
	return app.mm.InitGenesis(ctx, app.appCodec, genesisState)
}

func (app *ExampleApp) LoadHeight(height int64) error {
	return app.LoadVersion(height)
}

func (app *ExampleApp) ModuleAccountAddrs() map[string]bool {
	modAccAddrs := make(map[string]bool)
	for acc := range maccPerms {
		modAccAddrs[authtypes.NewModuleAddress(acc).String()] = true
	}

	return modAccAddrs
}

func (app *ExampleApp) BlockedModuleAccountAddrs(modAccAddrs map[string]bool) map[string]bool {
	delete(modAccAddrs, authtypes.NewModuleAddress(govtypes.ModuleName).String())

	return modAccAddrs
}

func (app *ExampleApp) LegacyAmino() *codec.LegacyAmino {
	return app.legacyAmino
}

func (app *ExampleApp) AppCodec() codec.Codec {
	return app.appCodec
}

func (app *ExampleApp) InterfaceRegistry() types.InterfaceRegistry {
	return app.interfaceRegistry
}

func (app *ExampleApp) GetTxConfig() client.TxConfig {
	return app.txConfig
}

// AutoCliOpts returns the autocli options for the app.
func (app *ExampleApp) AutoCliOpts() autocli.AppOptions {
	modules := make(map[string]appmodule.AppModule, 0)
	for _, m := range app.mm.Modules {
		if moduleWithName, ok := m.(module.HasName); ok {
			moduleName := moduleWithName.Name()
			if appModule, ok := moduleWithName.(appmodule.AppModule); ok {
				modules[moduleName] = appModule
			}
		}
	}

	return autocli.AppOptions{
		Modules:               modules,
		AddressCodec:          authcodec.NewBech32Codec(sdk.GetConfig().GetBech32AccountAddrPrefix()),
		ValidatorAddressCodec: authcodec.NewBech32Codec(sdk.GetConfig().GetBech32ValidatorAddrPrefix()),
		ConsensusAddressCodec: authcodec.NewBech32Codec(sdk.GetConfig().GetBech32ConsensusAddrPrefix()),
	}
}

// DefaultGenesis returns a default genesis from the registered AppModuleBasic's.
func (app *ExampleApp) DefaultGenesis() map[string]json.RawMessage {
	return app.BasicManager.DefaultGenesis(app.appCodec)
}

// GetKey returns the KVStoreKey for the provided store key.
//
// NOTE: This is solely to be used for testing purposes.
func (app *ExampleApp) GetKey(storeKey string) *storetypes.KVStoreKey {
	return app.keys[storeKey]
}

// GetStoreKeys returns all the stored store keys.
func (app *ExampleApp) GetStoreKeys() []storetypes.StoreKey {
	keys := make([]storetypes.StoreKey, len(app.keys))
	for _, key := range app.keys {
		keys = append(keys, key)
	}

	return keys
}

// SimulationManager implements the SimulationApp interface
func (app *ExampleApp) SimulationManager() *module.SimulationManager {
	return app.simulationManager
}

func (app *ExampleApp) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.APIConfig) {
	clientCtx := apiSvr.ClientCtx
	// Register new tx routes from grpc-gateway.
	authtx.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

	// Register new CometBFT queries routes from grpc-gateway.
	cmtservice.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

	// Register node gRPC service for grpc-gateway.
	nodeservice.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

	// Register grpc-gateway routes for all modules.
	app.BasicManager.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

	// register swagger API from root so that other applications can override easily
	if err := server.RegisterSwaggerAPI(apiSvr.ClientCtx, apiSvr.Router, apiConfig.Swagger); err != nil {
		panic(err)
	}
}

func (app *ExampleApp) RegisterTxService(clientCtx client.Context) {
	authtx.RegisterTxService(app.BaseApp.GRPCQueryRouter(), clientCtx, app.BaseApp.Simulate, app.interfaceRegistry)
}

// RegisterTendermintService implements the Application.RegisterTendermintService method.
func (app *ExampleApp) RegisterTendermintService(clientCtx client.Context) {
	cmtApp := server.NewCometABCIWrapper(app)
	cmtservice.RegisterTendermintService(
		clientCtx,
		app.BaseApp.GRPCQueryRouter(),
		app.interfaceRegistry,
		cmtApp.Query,
	)
}

func (app *ExampleApp) RegisterNodeService(clientCtx client.Context, cfg config.Config) {
	nodeservice.RegisterNodeService(clientCtx, app.GRPCQueryRouter(), cfg)
}

func (app *ExampleApp) OnTxSucceeded(_ sdk.Context, _, _ string, _, _ []byte) {
}

func (app *ExampleApp) OnTxFailed(_ sdk.Context, _, _ string, _, _ []byte) {
}

func (app *ExampleApp) GetBaseApp() *baseapp.BaseApp {
	return app.BaseApp
}

type EmptyAppOptions struct{}

func (ao EmptyAppOptions) Get(_ string) interface{} {
	return nil
}

// initParamsKeeper init params keeper and its subspaces
func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key, tkey storetypes.StoreKey) paramskeeper.Keeper {
	paramsKeeper := paramskeeper.NewKeeper(appCodec, legacyAmino, key, tkey)

	// TODO: ibc module subspaces can be removed after migration of params
	// https://github.com/cosmos/ibc-go/issues/2010

	return paramsKeeper
}

// GetSubspace returns a param subspace for a given module name.
//
// NOTE: This is solely to be used for testing purposes.
func (app *ExampleApp) GetSubspace(moduleName string) paramstypes.Subspace {
	subspace, _ := app.ParamsKeeper.GetSubspace(moduleName)
	return subspace
}