app.go

package app

import (
	"fmt"
	"io"
	stdlog "log"
	"net/http"
	"os"
	"path/filepath"

	"cosmossdk.io/simapp"
	dbm "github.com/cometbft/cometbft-db"
	abci "github.com/cometbft/cometbft/abci/types"
	tmjson "github.com/cometbft/cometbft/libs/json"
	"github.com/cometbft/cometbft/libs/log"
	tmos "github.com/cometbft/cometbft/libs/os"
	"github.com/cosmos/cosmos-sdk/baseapp"
	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/client/grpc/tmservice"
	"github.com/cosmos/cosmos-sdk/codec"
	"github.com/cosmos/cosmos-sdk/codec/types"
	"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"
	store "github.com/cosmos/cosmos-sdk/store/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/module"
	"github.com/cosmos/cosmos-sdk/version"
	"github.com/cosmos/cosmos-sdk/x/auth"
	"github.com/cosmos/cosmos-sdk/x/auth/ante"
	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
	authsims "github.com/cosmos/cosmos-sdk/x/auth/simulation"
	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
	"github.com/cosmos/cosmos-sdk/x/auth/vesting"
	vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
	"github.com/cosmos/cosmos-sdk/x/authz"
	authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
	authzmodule "github.com/cosmos/cosmos-sdk/x/authz/module"
	"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/capability"
	capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
	capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
	"github.com/cosmos/cosmos-sdk/x/crisis"
	crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
	crisistypes "github.com/cosmos/cosmos-sdk/x/crisis/types"
	"github.com/cosmos/cosmos-sdk/x/evidence"
	evidencekeeper "github.com/cosmos/cosmos-sdk/x/evidence/keeper"
	evidencetypes "github.com/cosmos/cosmos-sdk/x/evidence/types"
	"github.com/cosmos/cosmos-sdk/x/feegrant"
	feegrantkeeper "github.com/cosmos/cosmos-sdk/x/feegrant/keeper"
	feegrantmodule "github.com/cosmos/cosmos-sdk/x/feegrant/module"
	"github.com/cosmos/cosmos-sdk/x/params"
	paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
	"github.com/cosmos/cosmos-sdk/x/slashing"
	slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
	slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
	"github.com/cosmos/cosmos-sdk/x/upgrade"
	upgradekeeper "github.com/cosmos/cosmos-sdk/x/upgrade/keeper"
	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
	"github.com/cosmos/ibc-go/v7/modules/apps/transfer"
	ibctransferkeeper "github.com/cosmos/ibc-go/v7/modules/apps/transfer/keeper"
	ibctransfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
	ibc "github.com/cosmos/ibc-go/v7/modules/core"
	ibcclienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
	ibcconnectiontypes "github.com/cosmos/ibc-go/v7/modules/core/03-connection/types"
	porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
	ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
	ibckeeper "github.com/cosmos/ibc-go/v7/modules/core/keeper"
	ibctm "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
	ibctesting "github.com/cosmos/ibc-go/v7/testing"
	appparams "github.com/cosmos/interchain-security/app/params"
	"github.com/gorilla/mux"
	"github.com/rakyll/statik/fs"
	"github.com/spf13/cast"

	ibcconsumer "github.com/cosmos/interchain-security/x/ccv/consumer"
	ibcconsumerkeeper "github.com/cosmos/interchain-security/x/ccv/consumer/keeper"
	ibcconsumertypes "github.com/cosmos/interchain-security/x/ccv/consumer/types"

	// unnamed import of statik for swagger UI support
	_ "github.com/cosmos/cosmos-sdk/client/docs/statik"
	testutil "github.com/cosmos/interchain-security/testutil/integration"
)

const (
	AppName              = "interchain-security-c"
	upgradeName          = "v07-Theta"
	AccountAddressPrefix = "cosmos"
)

var (
	// DefaultNodeHome default home directories for the application daemon
	DefaultNodeHome string

	// ModuleBasics defines the module BasicManager is in charge of setting up basic,
	// non-dependant module elements, such as codec registration
	// and genesis verification.
	ModuleBasics = module.NewBasicManager(
		auth.AppModuleBasic{},
		bank.AppModuleBasic{},
		capability.AppModuleBasic{},
		params.AppModuleBasic{},
		crisis.AppModuleBasic{},
		slashing.AppModuleBasic{},
		feegrantmodule.AppModuleBasic{},
		authzmodule.AppModuleBasic{},
		ibc.AppModuleBasic{},
		ibctm.AppModuleBasic{},
		upgrade.AppModuleBasic{},
		evidence.AppModuleBasic{},
		transfer.AppModuleBasic{},
		vesting.AppModuleBasic{},
		// router.AppModuleBasic{},
		ibcconsumer.AppModuleBasic{},
	)

	// module account permissions
	maccPerms = map[string][]string{
		authtypes.FeeCollectorName:                    nil,
		ibcconsumertypes.ConsumerRedistributeName:     nil,
		ibcconsumertypes.ConsumerToSendToProviderName: nil,
		ibctransfertypes.ModuleName:                   {authtypes.Minter, authtypes.Burner},
	}
)

var (
	_ simapp.App              = (*App)(nil)
	_ servertypes.Application = (*App)(nil)
	_ ibctesting.TestingApp   = (*App)(nil)
)

// App extends an ABCI application, but with most of its parameters exported.
// They are exported for convenience in creating helper functions, as object
// capabilities aren't needed for testing.
type App struct { // nolint: golint
	*baseapp.BaseApp
	legacyAmino       *codec.LegacyAmino
	appCodec          codec.Codec
	interfaceRegistry types.InterfaceRegistry

	invCheckPeriod uint

	// keys to access the substores
	keys    map[string]*sdk.KVStoreKey
	tkeys   map[string]*sdk.TransientStoreKey
	memKeys map[string]*sdk.MemoryStoreKey

	// keepers
	AccountKeeper    authkeeper.AccountKeeper
	BankKeeper       bankkeeper.Keeper
	CapabilityKeeper *capabilitykeeper.Keeper
	SlashingKeeper   slashingkeeper.Keeper

	// NOTE the distribution keeper should either be removed
	// from consumer chain or set to use an independent
	// different fee-pool from the consumer chain ConsumerKeeper

	CrisisKeeper   crisiskeeper.Keeper
	UpgradeKeeper  upgradekeeper.Keeper
	ParamsKeeper   paramskeeper.Keeper
	IBCKeeper      *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
	EvidenceKeeper evidencekeeper.Keeper
	TransferKeeper ibctransferkeeper.Keeper
	FeeGrantKeeper feegrantkeeper.Keeper
	AuthzKeeper    authzkeeper.Keeper
	ConsumerKeeper ibcconsumerkeeper.Keeper

	// make scoped keepers public for test purposes
	ScopedIBCKeeper         capabilitykeeper.ScopedKeeper
	ScopedTransferKeeper    capabilitykeeper.ScopedKeeper
	ScopedIBCConsumerKeeper capabilitykeeper.ScopedKeeper

	// the module manager
	MM *module.Manager

	// simulation manager
	sm           *module.SimulationManager
	configurator module.Configurator
}

func init() {
	userHomeDir, err := os.UserHomeDir()
	if err != nil {
		stdlog.Println("Failed to get home dir %2", err)
	}

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

// New returns a reference to an initialized App.
func New(
	logger log.Logger,
	db dbm.DB,
	traceStore io.Writer,
	loadLatest bool,
	skipUpgradeHeights map[int64]bool,
	homePath string,
	invCheckPeriod uint,
	encodingConfig appparams.EncodingConfig,
	appOpts servertypes.AppOptions,
	baseAppOptions ...func(*baseapp.BaseApp),
) *App {
	appCodec := encodingConfig.Marshaler
	legacyAmino := encodingConfig.Amino
	interfaceRegistry := encodingConfig.InterfaceRegistry

	bApp := baseapp.NewBaseApp(AppName, logger, db, encodingConfig.TxConfig.TxDecoder(), baseAppOptions...)
	bApp.SetCommitMultiStoreTracer(traceStore)
	bApp.SetVersion(version.Version)
	bApp.SetInterfaceRegistry(interfaceRegistry)

	keys := sdk.NewKVStoreKeys(
		authtypes.StoreKey, banktypes.StoreKey, slashingtypes.StoreKey,
		paramstypes.StoreKey, ibcexported.StoreKey, upgradetypes.StoreKey,
		evidencetypes.StoreKey, ibctransfertypes.StoreKey,
		capabilitytypes.StoreKey, feegrant.StoreKey, authzkeeper.StoreKey,
		ibcconsumertypes.StoreKey,
	)
	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)

	app := &App{
		BaseApp:           bApp,
		legacyAmino:       legacyAmino,
		appCodec:          appCodec,
		interfaceRegistry: interfaceRegistry,
		invCheckPeriod:    invCheckPeriod,
		keys:              keys,
		tkeys:             tkeys,
		memKeys:           memKeys,
	}

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

	// set the BaseApp's parameter store
	bApp.SetParamStore(
		app.ParamsKeeper.Subspace(baseapp.Paramspace).WithKeyTable(
			paramskeeper.ConsensusParamsKeyTable()),
	)

	// add capability keeper and ScopeToModule for ibc module
	app.CapabilityKeeper = capabilitykeeper.NewKeeper(
		appCodec,
		keys[capabilitytypes.StoreKey],
		memKeys[capabilitytypes.MemStoreKey],
	)
	scopedIBCKeeper := app.CapabilityKeeper.ScopeToModule(ibcexported.ModuleName)
	scopedTransferKeeper := app.CapabilityKeeper.ScopeToModule(ibctransfertypes.ModuleName)
	scopedIBCConsumerKeeper := app.CapabilityKeeper.ScopeToModule(ibcconsumertypes.ModuleName)
	app.CapabilityKeeper.Seal()

	// add keepers
	app.AccountKeeper = authkeeper.NewAccountKeeper(
		appCodec,
		keys[authtypes.StoreKey],
		app.GetSubspace(authtypes.ModuleName),
		authtypes.ProtoBaseAccount,
		maccPerms,
	)

	// Remove the fee-pool from the group of blocked recipient addresses in bank
	// this is required for the consumer chain to be able to send tokens to
	// the provider chain
	bankBlockedAddrs := app.ModuleAccountAddrs()
	delete(bankBlockedAddrs, authtypes.NewModuleAddress(
		ibcconsumertypes.ConsumerToSendToProviderName).String())

	app.BankKeeper = bankkeeper.NewBaseKeeper(
		appCodec,
		keys[banktypes.StoreKey],
		app.AccountKeeper,
		app.GetSubspace(banktypes.ModuleName),
		bankBlockedAddrs,
	)
	app.AuthzKeeper = authzkeeper.NewKeeper(
		keys[authzkeeper.StoreKey],
		appCodec,
		app.BaseApp.MsgServiceRouter(),
	)
	app.FeeGrantKeeper = feegrantkeeper.NewKeeper(
		appCodec,
		keys[feegrant.StoreKey],
		app.AccountKeeper,
	)

	// consumer keeper satisfies the staking keeper interface
	// of the slashing module
	app.SlashingKeeper = slashingkeeper.NewKeeper(
		appCodec,
		keys[slashingtypes.StoreKey],
		&app.ConsumerKeeper,
		app.GetSubspace(slashingtypes.ModuleName),
	)
	app.CrisisKeeper = crisiskeeper.NewKeeper(
		app.GetSubspace(crisistypes.ModuleName),
		invCheckPeriod,
		app.BankKeeper,
		authtypes.FeeCollectorName,
	)
	app.UpgradeKeeper = upgradekeeper.NewKeeper(
		skipUpgradeHeights,
		keys[upgradetypes.StoreKey],
		appCodec,
		homePath,
		app.BaseApp,
	)
	app.IBCKeeper = ibckeeper.NewKeeper(
		appCodec,
		keys[ibcexported.StoreKey],
		app.GetSubspace(ibcexported.ModuleName),
		&app.ConsumerKeeper,
		app.UpgradeKeeper,
		scopedIBCKeeper,
	)

	// Create CCV consumer and modules
	app.ConsumerKeeper = ibcconsumerkeeper.NewKeeper(
		appCodec,
		keys[ibcconsumertypes.StoreKey],
		app.GetSubspace(ibcconsumertypes.ModuleName),
		scopedIBCConsumerKeeper,
		app.IBCKeeper.ChannelKeeper,
		&app.IBCKeeper.PortKeeper,
		app.IBCKeeper.ConnectionKeeper,
		app.IBCKeeper.ClientKeeper,
		app.SlashingKeeper,
		app.BankKeeper,
		app.AccountKeeper,
		&app.TransferKeeper,
		app.IBCKeeper,
		authtypes.FeeCollectorName,
	)

	// register slashing module Slashing hooks to the consumer keeper
	app.ConsumerKeeper = *app.ConsumerKeeper.SetHooks(app.SlashingKeeper.Hooks())
	consumerModule := ibcconsumer.NewAppModule(app.ConsumerKeeper)

	app.TransferKeeper = ibctransferkeeper.NewKeeper(
		appCodec,
		keys[ibctransfertypes.StoreKey],
		app.GetSubspace(ibctransfertypes.ModuleName),
		app.IBCKeeper.ChannelKeeper,
		app.IBCKeeper.ChannelKeeper,
		&app.IBCKeeper.PortKeeper,
		app.AccountKeeper,
		app.BankKeeper,
		scopedTransferKeeper,
	)
	transferModule := transfer.NewAppModule(app.TransferKeeper)
	ibcmodule := transfer.NewIBCModule(app.TransferKeeper)

	// create static IBC router, add transfer route, then set and seal it
	ibcRouter := porttypes.NewRouter()
	ibcRouter.AddRoute(ibctransfertypes.ModuleName, ibcmodule)
	ibcRouter.AddRoute(ibcconsumertypes.ModuleName, consumerModule)
	app.IBCKeeper.SetRouter(ibcRouter)

	// create evidence keeper with router
	evidenceKeeper := evidencekeeper.NewKeeper(
		appCodec,
		keys[evidencetypes.StoreKey],
		&app.ConsumerKeeper,
		app.SlashingKeeper,
	)

	app.EvidenceKeeper = *evidenceKeeper

	skipGenesisInvariants := cast.ToBool(appOpts.Get(crisis.FlagSkipGenesisInvariants))

	// NOTE: Any module instantiated in the module manager that is later modified
	// must be passed by reference here.
	app.MM = module.NewManager(
		auth.NewAppModule(appCodec, app.AccountKeeper, nil),
		vesting.NewAppModule(app.AccountKeeper, app.BankKeeper),
		bank.NewAppModule(appCodec, app.BankKeeper, app.AccountKeeper),
		capability.NewAppModule(appCodec, *app.CapabilityKeeper),
		crisis.NewAppModule(&app.CrisisKeeper, skipGenesisInvariants),
		slashing.NewAppModule(appCodec, app.SlashingKeeper, app.AccountKeeper, app.BankKeeper, app.ConsumerKeeper),
		upgrade.NewAppModule(app.UpgradeKeeper),
		evidence.NewAppModule(app.EvidenceKeeper),
		feegrantmodule.NewAppModule(appCodec, app.AccountKeeper, app.BankKeeper, app.FeeGrantKeeper, app.interfaceRegistry),
		authzmodule.NewAppModule(appCodec, app.AuthzKeeper, app.AccountKeeper, app.BankKeeper, app.interfaceRegistry),
		ibc.NewAppModule(app.IBCKeeper),
		params.NewAppModule(app.ParamsKeeper),
		transferModule,
		consumerModule,
	)

	// During begin block slashing happens after distr.BeginBlocker so that
	// there is nothing left over in the validator fee pool, so as to keep the
	// CanWithdrawInvariant invariant.
	// NOTE: staking module is required if HistoricalEntries param > 0
	// NOTE: capability module's beginblocker must come before any modules using capabilities (e.g. IBC)
	app.MM.SetOrderBeginBlockers(
		// upgrades should be run first
		upgradetypes.ModuleName,
		capabilitytypes.ModuleName,
		crisistypes.ModuleName,
		ibctransfertypes.ModuleName,
		ibcexported.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		slashingtypes.ModuleName,
		evidencetypes.ModuleName,
		authz.ModuleName,
		feegrant.ModuleName,
		paramstypes.ModuleName,
		vestingtypes.ModuleName,
		ibcconsumertypes.ModuleName,
	)
	app.MM.SetOrderEndBlockers(
		crisistypes.ModuleName,
		ibctransfertypes.ModuleName,
		ibcexported.ModuleName,
		feegrant.ModuleName,
		authz.ModuleName,
		capabilitytypes.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		slashingtypes.ModuleName,
		evidencetypes.ModuleName,
		paramstypes.ModuleName,
		upgradetypes.ModuleName,
		vestingtypes.ModuleName,
		ibcconsumertypes.ModuleName,
	)

	// NOTE: The genutils module must occur after staking so that pools are
	// properly initialized with tokens from genesis accounts.
	// NOTE: The genutils module must also occur after auth so that it can access the params from auth.
	// NOTE: Capability module must occur first so that it can initialize any capabilities
	// so that other modules that want to create or claim capabilities afterwards in InitChain
	// can do so safely.
	app.MM.SetOrderInitGenesis(
		capabilitytypes.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		slashingtypes.ModuleName,
		crisistypes.ModuleName,
		ibcexported.ModuleName,
		evidencetypes.ModuleName,
		ibctransfertypes.ModuleName,
		feegrant.ModuleName,
		authz.ModuleName,

		paramstypes.ModuleName,
		upgradetypes.ModuleName,
		vestingtypes.ModuleName,
		ibcconsumertypes.ModuleName,
	)

	app.MM.RegisterInvariants(&app.CrisisKeeper)

	app.configurator = module.NewConfigurator(app.appCodec, app.MsgServiceRouter(), app.GRPCQueryRouter())
	app.MM.RegisterServices(app.configurator)

	// create the simulation manager and define the order of the modules for deterministic simulations
	//
	// NOTE: this is not required apps that don't use the simulator for fuzz testing
	// transactions
	app.sm = module.NewSimulationManager(
		auth.NewAppModule(appCodec, app.AccountKeeper, authsims.RandomGenesisAccounts),
		bank.NewAppModule(appCodec, app.BankKeeper, app.AccountKeeper),
		capability.NewAppModule(appCodec, *app.CapabilityKeeper),
		feegrantmodule.NewAppModule(appCodec, app.AccountKeeper, app.BankKeeper, app.FeeGrantKeeper, app.interfaceRegistry),
		authzmodule.NewAppModule(appCodec, app.AuthzKeeper, app.AccountKeeper, app.BankKeeper, app.interfaceRegistry),
		params.NewAppModule(app.ParamsKeeper),
		evidence.NewAppModule(app.EvidenceKeeper), ibc.NewAppModule(app.IBCKeeper),
		transferModule,
	)

	app.sm.RegisterStoreDecoders()

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

	anteHandler, err := NewAnteHandler(
		HandlerOptions{
			HandlerOptions: ante.HandlerOptions{
				AccountKeeper:   app.AccountKeeper,
				BankKeeper:      app.BankKeeper,
				FeegrantKeeper:  app.FeeGrantKeeper,
				SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
				SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
			},
			IBCKeeper:      app.IBCKeeper,
			ConsumerKeeper: app.ConsumerKeeper,
		},
	)
	if err != nil {
		panic(fmt.Errorf("failed to create AnteHandler: %s", err))
	}
	app.SetAnteHandler(anteHandler)

	app.SetInitChainer(app.InitChainer)
	app.SetBeginBlocker(app.BeginBlocker)
	app.SetEndBlocker(app.EndBlocker)

	app.UpgradeKeeper.SetUpgradeHandler(
		upgradeName,
		func(ctx sdk.Context, _ upgradetypes.Plan, _ module.VersionMap) (module.VersionMap, error) {
			app.IBCKeeper.ConnectionKeeper.SetParams(ctx, ibcconnectiontypes.DefaultParams())

			fromVM := make(map[string]uint64)

			for moduleName, eachModule := range app.MM.Modules {
				fromVM[moduleName] = eachModule.ConsensusVersion()
			}

			ctx.Logger().Info("start to run module migrations...")

			return app.MM.RunMigrations(ctx, app.configurator, fromVM)
		},
	)

	upgradeInfo, err := app.UpgradeKeeper.ReadUpgradeInfoFromDisk()
	if err != nil {
		panic(fmt.Sprintf("failed to read upgrade info from disk %s", err))
	}

	if upgradeInfo.Name == upgradeName && !app.UpgradeKeeper.IsSkipHeight(upgradeInfo.Height) {
		storeUpgrades := store.StoreUpgrades{}

		// configure store loader that checks if version == upgradeHeight and applies store upgrades
		app.SetStoreLoader(upgradetypes.UpgradeStoreLoader(upgradeInfo.Height, &storeUpgrades))
	}

	if loadLatest {
		if err := app.LoadLatestVersion(); err != nil {
			tmos.Exit(fmt.Sprintf("failed to load latest version: %s", err))
		}
	}

	app.ScopedIBCKeeper = scopedIBCKeeper
	app.ScopedTransferKeeper = scopedTransferKeeper
	app.ScopedIBCConsumerKeeper = scopedIBCConsumerKeeper

	return app
}

// Name returns the name of the App
func (app *App) Name() string { return app.BaseApp.Name() }

// BeginBlocker application updates every begin block
func (app *App) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock {
	return app.MM.BeginBlock(ctx, req)
}

// EndBlocker application updates every end block
func (app *App) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock {
	return app.MM.EndBlock(ctx, req)
}

// InitChainer application update at chain initialization
func (app *App) InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
	var genesisState GenesisState
	if err := tmjson.Unmarshal(req.AppStateBytes, &genesisState); err != nil {
		panic(err)
	}

	app.UpgradeKeeper.SetModuleVersionMap(ctx, app.MM.GetVersionMap())
	return app.MM.InitGenesis(ctx, app.appCodec, genesisState)
}

// LoadHeight loads a particular height
func (app *App) LoadHeight(height int64) error {
	return app.LoadVersion(height)
}

// ModuleAccountAddrs returns all the app's module account addresses.
func (app *App) ModuleAccountAddrs() map[string]bool {
	modAccAddrs := make(map[string]bool)
	for acc := range maccPerms {
		modAccAddrs[authtypes.NewModuleAddress(acc).String()] = true
	}

	return modAccAddrs
}

// LegacyAmino returns App's amino codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *App) LegacyAmino() *codec.LegacyAmino {
	return app.legacyAmino
}

// AppCodec returns the app codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *App) AppCodec() codec.Codec {
	return app.appCodec
}

// InterfaceRegistry returns the InterfaceRegistry
func (app *App) InterfaceRegistry() types.InterfaceRegistry {
	return app.interfaceRegistry
}

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

// GetTKey returns the TransientStoreKey for the provided store key.
//
// NOTE: This is solely to be used for testing purposes.
func (app *App) GetTKey(storeKey string) *sdk.TransientStoreKey {
	return app.tkeys[storeKey]
}

// GetMemKey returns the MemStoreKey for the provided mem key.
//
// NOTE: This is solely used for testing purposes.
func (app *App) GetMemKey(storeKey string) *sdk.MemoryStoreKey {
	return app.memKeys[storeKey]
}

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

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

// ConsumerApp interface implementations for integration tests

// GetConsumerKeeper implements the ConsumerApp interface.
func (app *App) GetConsumerKeeper() ibcconsumerkeeper.Keeper {
	return app.ConsumerKeeper
}

// GetTestBankKeeper implements the ConsumerApp interface.
func (app *App) GetTestBankKeeper() testutil.TestBankKeeper {
	return app.BankKeeper
}

// GetTestAccountKeeper implements the ConsumerApp interface.
func (app *App) GetTestAccountKeeper() testutil.TestAccountKeeper {
	return app.AccountKeeper
}

// GetTestSlashingKeeper implements the ConsumerApp interface.
func (app *App) GetTestSlashingKeeper() testutil.TestSlashingKeeper {
	return app.SlashingKeeper
}

// GetTestEvidenceKeeper implements the ConsumerApp interface.
func (app *App) GetTestEvidenceKeeper() testutil.TestEvidenceKeeper {
	return app.EvidenceKeeper
}

// TestingApp functions

// GetBaseApp implements the TestingApp interface.
func (app *App) GetBaseApp() *baseapp.BaseApp {
	return app.BaseApp
}

// GetStakingKeeper implements the TestingApp interface.
func (app *App) GetStakingKeeper() ibcclienttypes.StakingKeeper {
	return app.ConsumerKeeper
}

// GetIBCKeeper implements the TestingApp interface.
func (app *App) GetIBCKeeper() *ibckeeper.Keeper {
	return app.IBCKeeper
}

// GetScopedIBCKeeper implements the TestingApp interface.
func (app *App) GetScopedIBCKeeper() capabilitykeeper.ScopedKeeper {
	return app.ScopedIBCKeeper
}

// GetTxConfig implements the TestingApp interface.
func (app *App) GetTxConfig() client.TxConfig {
	return MakeTestEncodingConfig().TxConfig
}

// RegisterAPIRoutes registers all application module routes with the provided
// API server.
func (app *App) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.APIConfig) {
	clientCtx := apiSvr.ClientCtx
	// Register new tx routes from grpc-gateway.
	authtx.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)
	// Register new tendermint queries routes from grpc-gateway.
	tmservice.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

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

	// register swagger API from root so that other applications can override easily
	if apiConfig.Swagger {
		RegisterSwaggerAPI(apiSvr.Router)
	}
}

// RegisterTxService implements the Application.RegisterTxService method.
func (app *App) RegisterTxService(clientCtx client.Context) {
	authtx.RegisterTxService(app.BaseApp.GRPCQueryRouter(), clientCtx, app.BaseApp.Simulate, app.interfaceRegistry)
}

// RegisterTendermintService implements the Application.RegisterTendermintService method.
func (app *App) RegisterTendermintService(clientCtx client.Context) {
	tmservice.RegisterTendermintService(app.BaseApp.GRPCQueryRouter(), clientCtx, app.interfaceRegistry)
}

// RegisterSwaggerAPI registers swagger route with API Server
func RegisterSwaggerAPI(rtr *mux.Router) {
	statikFS, err := fs.New()
	if err != nil {
		panic(err)
	}

	staticServer := http.FileServer(statikFS)
	rtr.PathPrefix("/swagger/").Handler(http.StripPrefix("/swagger/", staticServer))
}

// GetMaccPerms returns a copy of the module account permissions
func GetMaccPerms() map[string][]string {
	dupMaccPerms := make(map[string][]string)
	for k, v := range maccPerms {
		dupMaccPerms[k] = v
	}
	return dupMaccPerms
}

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

	paramsKeeper.Subspace(authtypes.ModuleName)
	paramsKeeper.Subspace(banktypes.ModuleName)
	paramsKeeper.Subspace(slashingtypes.ModuleName)
	paramsKeeper.Subspace(crisistypes.ModuleName)
	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
	paramsKeeper.Subspace(ibcexported.ModuleName)
	paramsKeeper.Subspace(ibcconsumertypes.ModuleName)

	return paramsKeeper
}

// MakeTestEncodingConfig creates an EncodingConfig for testing. This function
// should be used only in tests or when creating a new app instance (NewApp*()).
// App user shouldn't create new codecs - use the app.AppCodec instead.
// [DEPRECATED]
func MakeTestEncodingConfig() appparams.EncodingConfig {
	encodingConfig := appparams.MakeTestEncodingConfig()
	std.RegisterLegacyAminoCodec(encodingConfig.Amino)
	std.RegisterInterfaces(encodingConfig.InterfaceRegistry)
	ModuleBasics.RegisterLegacyAminoCodec(encodingConfig.Amino)
	ModuleBasics.RegisterInterfaces(encodingConfig.InterfaceRegistry)
	return encodingConfig
}