app.go

package simapp

import (
	"encoding/json"
	"io"
	"net/http"
	"os"
	"path/filepath"

	"github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7/packetforward"
	packetforwardkeeper "github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7/packetforward/keeper"
	packetforwardtypes "github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7/packetforward/types"
	"github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7/testing/simapp/upgrades"
	"github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7/testing/simapp/x/dummyware"
	"github.com/gorilla/mux"
	"github.com/rakyll/statik/fs"
	"github.com/spf13/cast"
	"github.com/stretchr/testify/require"

	_ "github.com/cosmos/cosmos-sdk/client/docs/statik" // this is used for serving docs

	autocliv1 "cosmossdk.io/api/cosmos/autocli/v1"
	reflectionv1 "cosmossdk.io/api/cosmos/reflection/v1"

	"github.com/cosmos/cosmos-sdk/baseapp"
	"github.com/cosmos/cosmos-sdk/client"
	nodeservice "github.com/cosmos/cosmos-sdk/client/grpc/node"
	"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/runtime"
	runtimeservices "github.com/cosmos/cosmos-sdk/runtime/services"
	"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/store/streaming"
	storetypes "github.com/cosmos/cosmos-sdk/store/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/module"
	moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
	"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/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/crisis"
	crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
	crisistypes "github.com/cosmos/cosmos-sdk/x/crisis/types"
	distr "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/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/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/group"
	groupkeeper "github.com/cosmos/cosmos-sdk/x/group/keeper"
	groupmodule "github.com/cosmos/cosmos-sdk/x/group/module"
	"github.com/cosmos/cosmos-sdk/x/mint"
	mintkeeper "github.com/cosmos/cosmos-sdk/x/mint/keeper"
	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
	"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/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/staking"
	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
	"github.com/cosmos/cosmos-sdk/x/upgrade"
	upgradeclient "github.com/cosmos/cosmos-sdk/x/upgrade/client"
	upgradekeeper "github.com/cosmos/cosmos-sdk/x/upgrade/keeper"
	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"

	dbm "github.com/cometbft/cometbft-db"
	abci "github.com/cometbft/cometbft/abci/types"
	"github.com/cometbft/cometbft/libs/log"
	tmos "github.com/cometbft/cometbft/libs/os"

	"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"
	ibcclient "github.com/cosmos/ibc-go/v7/modules/core/02-client"
	ibcclientclient "github.com/cosmos/ibc-go/v7/modules/core/02-client/client"
	ibcclienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
	ibcporttypes "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"
	solomachine "github.com/cosmos/ibc-go/v7/modules/light-clients/06-solomachine"
	ibctm "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
	ibctesting "github.com/cosmos/ibc-go/v7/testing"
	ibctestingtypes "github.com/cosmos/ibc-go/v7/testing/types"
)

const appName = "SimApp"

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{},
		genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator),
		bank.AppModuleBasic{},
		capability.AppModuleBasic{},
		staking.AppModuleBasic{},
		mint.AppModuleBasic{},
		distr.AppModuleBasic{},
		gov.NewAppModuleBasic(
			[]govclient.ProposalHandler{
				paramsclient.ProposalHandler,
				upgradeclient.LegacyProposalHandler,
				upgradeclient.LegacyCancelProposalHandler,
				ibcclientclient.UpdateClientProposalHandler,
				ibcclientclient.UpgradeProposalHandler,
			},
		),
		groupmodule.AppModuleBasic{},
		params.AppModuleBasic{},
		crisis.AppModuleBasic{},
		slashing.AppModuleBasic{},
		feegrantmodule.AppModuleBasic{},
		upgrade.AppModuleBasic{},
		evidence.AppModuleBasic{},
		authzmodule.AppModuleBasic{},
		vesting.AppModuleBasic{},
		consensus.AppModuleBasic{},

		// non standard
		ibc.AppModuleBasic{},
		ibctm.AppModuleBasic{},
		solomachine.AppModuleBasic{},
		packetforward.AppModuleBasic{},
		transfer.AppModuleBasic{},
	)

	// module account permissions
	maccPerms = map[string][]string{
		authtypes.FeeCollectorName:     nil,
		distrtypes.ModuleName:          nil,
		minttypes.ModuleName:           {authtypes.Minter},
		stakingtypes.BondedPoolName:    {authtypes.Burner, authtypes.Staking},
		stakingtypes.NotBondedPoolName: {authtypes.Burner, authtypes.Staking},
		govtypes.ModuleName:            {authtypes.Burner},
		ibctransfertypes.ModuleName:    {authtypes.Minter, authtypes.Burner},
	}
)

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

// SimApp 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 SimApp struct {
	*baseapp.BaseApp
	legacyAmino       *codec.LegacyAmino
	appCodec          codec.Codec
	interfaceRegistry types.InterfaceRegistry

	invCheckPeriod uint

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

	// keepers
	AccountKeeper         authkeeper.AccountKeeper
	BankKeeper            bankkeeper.Keeper
	CapabilityKeeper      *capabilitykeeper.Keeper
	StakingKeeper         *stakingkeeper.Keeper
	SlashingKeeper        slashingkeeper.Keeper
	MintKeeper            mintkeeper.Keeper
	DistrKeeper           distrkeeper.Keeper
	GovKeeper             govkeeper.Keeper
	GroupKeeper           groupkeeper.Keeper
	CrisisKeeper          *crisiskeeper.Keeper
	UpgradeKeeper         *upgradekeeper.Keeper
	ParamsKeeper          paramskeeper.Keeper
	AuthzKeeper           authzkeeper.Keeper
	IBCKeeper             *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
	PacketForwardKeeper   *packetforwardkeeper.Keeper
	EvidenceKeeper        evidencekeeper.Keeper
	TransferKeeper        ibctransferkeeper.Keeper
	FeeGrantKeeper        feegrantkeeper.Keeper
	ConsensusParamsKeeper consensusparamkeeper.Keeper

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

	// the module manager
	mm *module.Manager

	// simulation manager
	sm *module.SimulationManager

	// the configurator
	configurator module.Configurator
}

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

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

// NewSimApp returns a reference to an initialized SimApp.
func NewSimApp(
	logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool, skipUpgradeHeights map[int64]bool,
	homePath string, invCheckPeriod uint,
	appOpts servertypes.AppOptions, baseAppOptions ...func(*baseapp.BaseApp),
) *SimApp {
	encodingConfig := MakeEncodingConfig()

	appCodec := encodingConfig.Marshaler
	legacyAmino := encodingConfig.Amino
	interfaceRegistry := encodingConfig.InterfaceRegistry

	// Below we could construct and set an application specific mempool and ABCI 1.0 Prepare and Process Proposal
	// handlers. These defaults are already set in the SDK's BaseApp, this shows an example of how to override
	// them.
	//
	// nonceMempool := mempool.NewSenderNonceMempool()
	// mempoolOpt   := baseapp.SetMempool(nonceMempool)
	// prepareOpt   := func(app *baseapp.BaseApp) {
	// 	app.SetPrepareProposal(app.DefaultPrepareProposal())
	// }
	// processOpt := func(app *baseapp.BaseApp) {
	// 	app.SetProcessProposal(app.DefaultProcessProposal())
	// }
	//
	// Further down we'd set the options in the AppBuilder like below.
	// baseAppOptions = append(baseAppOptions, mempoolOpt, prepareOpt, processOpt)

	authority := authtypes.NewModuleAddress(govtypes.ModuleName).String()

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

	keys := sdk.NewKVStoreKeys(
		authtypes.StoreKey, banktypes.StoreKey, stakingtypes.StoreKey, crisistypes.StoreKey,
		minttypes.StoreKey, distrtypes.StoreKey, slashingtypes.StoreKey,
		govtypes.StoreKey, group.StoreKey, paramstypes.StoreKey, consensusparamtypes.StoreKey, ibcexported.StoreKey, upgradetypes.StoreKey, feegrant.StoreKey,
		evidencetypes.StoreKey, packetforwardtypes.StoreKey, ibctransfertypes.StoreKey, authzkeeper.StoreKey, capabilitytypes.StoreKey,
	)
	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
	// NOTE: The testingkey is just mounted for testing purposes. Actual applications should
	// not include this key.
	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)

	// load state streaming if enabled
	if _, _, err := streaming.LoadStreamingServices(bApp, appOpts, appCodec, logger, keys); err != nil {
		logger.Error("failed to load state streaming", "err", err)
		os.Exit(1)
	}

	app := &SimApp{
		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
	app.ConsensusParamsKeeper = consensusparamkeeper.NewKeeper(appCodec, keys[upgradetypes.StoreKey], authority)
	bApp.SetParamStore(&app.ConsensusParamsKeeper)

	// 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)

	// seal capability keeper after scoping modules
	app.CapabilityKeeper.Seal()

	// SDK module keepers

	app.AccountKeeper = authkeeper.NewAccountKeeper(
		appCodec,
		keys[authtypes.StoreKey],
		authtypes.ProtoBaseAccount,
		maccPerms,
		sdk.GetConfig().GetBech32AccountAddrPrefix(),
		authority,
	)
	app.BankKeeper = bankkeeper.NewBaseKeeper(
		appCodec,
		keys[banktypes.StoreKey],
		app.AccountKeeper,
		app.ModuleAccountAddrs(),
		authority,
	)
	app.StakingKeeper = stakingkeeper.NewKeeper(
		appCodec,
		keys[stakingtypes.StoreKey],
		app.AccountKeeper,
		app.BankKeeper,
		authority,
	)
	app.MintKeeper = mintkeeper.NewKeeper(
		appCodec,
		keys[minttypes.StoreKey],
		app.StakingKeeper,
		app.AccountKeeper,
		app.BankKeeper,
		authtypes.FeeCollectorName,
		authority,
	)
	app.DistrKeeper = distrkeeper.NewKeeper(
		appCodec,
		keys[distrtypes.StoreKey],
		app.AccountKeeper,
		app.BankKeeper,
		app.StakingKeeper,
		authtypes.FeeCollectorName,
		authority,
	)

	app.SlashingKeeper = slashingkeeper.NewKeeper(
		appCodec, app.legacyAmino, keys[slashingtypes.StoreKey], app.StakingKeeper, authority,
	)
	app.CrisisKeeper = crisiskeeper.NewKeeper(
		appCodec,
		keys[crisistypes.StoreKey],
		invCheckPeriod,
		app.BankKeeper,
		authtypes.FeeCollectorName,
		authority,
	)

	app.FeeGrantKeeper = feegrantkeeper.NewKeeper(appCodec, keys[feegrant.StoreKey], app.AccountKeeper)
	app.UpgradeKeeper = upgradekeeper.NewKeeper(
		skipUpgradeHeights,
		keys[upgradetypes.StoreKey],
		appCodec,
		homePath,
		app.BaseApp,
		authority,
	)

	// register the staking hooks
	// NOTE: stakingKeeper above is passed by reference, so that it will contain these hooks
	app.StakingKeeper.SetHooks(
		stakingtypes.NewMultiStakingHooks(app.DistrKeeper.Hooks(), app.SlashingKeeper.Hooks()),
	)

	app.AuthzKeeper = authzkeeper.NewKeeper(keys[authzkeeper.StoreKey], appCodec, app.MsgServiceRouter(), app.AccountKeeper)

	// IBC Keepers
	app.IBCKeeper = ibckeeper.NewKeeper(
		appCodec, keys[ibcexported.StoreKey],
		app.GetSubspace(ibcexported.ModuleName),
		app.StakingKeeper,
		app.UpgradeKeeper,
		scopedIBCKeeper,
	)

	// Register the proposal types
	// Deprecated: Avoid adding new handlers, instead use the new proposal flow
	// by granting the governance module the right to execute the message.
	// See: https://docs.cosmos.network/main/modules/gov#proposal-messages
	govRouter := govv1beta1.NewRouter()
	govRouter.AddRoute(govtypes.RouterKey, govv1beta1.ProposalHandler).
		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper)).
		AddRoute(upgradetypes.RouterKey, upgrade.NewSoftwareUpgradeProposalHandler(app.UpgradeKeeper)).
		AddRoute(ibcclienttypes.RouterKey, ibcclient.NewClientProposalHandler(app.IBCKeeper.ClientKeeper))

	govConfig := govtypes.DefaultConfig()
	govConfig.MaxMetadataLen = 10_000

	govKeeper := govkeeper.NewKeeper(
		appCodec, keys[govtypes.StoreKey], app.AccountKeeper, app.BankKeeper,
		app.StakingKeeper, app.MsgServiceRouter(), govConfig, authority,
	)

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

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

	groupConfig := group.DefaultConfig()
	groupConfig.MaxMetadataLen = 1000
	app.GroupKeeper = groupkeeper.NewKeeper(keys[group.StoreKey], appCodec, app.MsgServiceRouter(), app.AccountKeeper, groupConfig)

	// Create the packet forward middleware keeper
	app.PacketForwardKeeper = packetforwardkeeper.NewKeeper(
		appCodec,
		app.keys[packetforwardtypes.StoreKey],
		nil, // Will be zero-value here. Reference is set later on with SetTransferKeeper.
		app.IBCKeeper.ChannelKeeper,
		app.DistrKeeper,
		app.BankKeeper,
		app.IBCKeeper.ChannelKeeper,
		authority,
	)

	// create the IBC Router
	ibcRouter := ibcporttypes.NewRouter()

	// Transfer Keeper
	app.TransferKeeper = ibctransferkeeper.NewKeeper(
		appCodec, keys[ibctransfertypes.StoreKey],
		app.GetSubspace(ibctransfertypes.ModuleName),
		app.PacketForwardKeeper,
		app.IBCKeeper.ChannelKeeper,
		&app.IBCKeeper.PortKeeper,
		app.AccountKeeper,
		app.BankKeeper,
		scopedTransferKeeper,
	)

	app.PacketForwardKeeper.SetTransferKeeper(app.TransferKeeper)

	// Create Transfer Stack
	var transferStack ibcporttypes.IBCModule
	transferStack = transfer.NewIBCModule(app.TransferKeeper)

	transferStack = packetforward.NewIBCMiddleware(
		transferStack,
		app.PacketForwardKeeper,
		0, // retries on timeout
		packetforwardkeeper.DefaultForwardTransferPacketTimeoutTimestamp, // forward timeout
		packetforwardkeeper.DefaultRefundTransferPacketTimeoutTimestamp,  // refund timeout
	)

	if os.Getenv("NON_REFUNDABLE_TEST") != "" {
		transferStack = dummyware.NewIBCMiddleware(transferStack)
	}

	// Add IBC Router
	ibcRouter.AddRoute(ibctransfertypes.ModuleName, transferStack)

	// Seal the IBC Router
	app.IBCKeeper.SetRouter(ibcRouter)

	// create evidence keeper with router
	evidenceKeeper := evidencekeeper.NewKeeper(
		appCodec, keys[evidencetypes.StoreKey], app.StakingKeeper, app.SlashingKeeper,
	)
	// If evidence needs to be handled for the app, set routes in router here and seal
	app.EvidenceKeeper = *evidenceKeeper

	/****  Module Options ****/

	// NOTE: we may consider parsing `appOpts` inside module constructors. For the moment
	// we prefer to be more strict in what arguments the modules expect.
	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(
		// SDK app modules
		genutil.NewAppModule(
			app.AccountKeeper, app.StakingKeeper, app.BaseApp.DeliverTx,
			encodingConfig.TxConfig,
		),
		auth.NewAppModule(appCodec, app.AccountKeeper, authsims.RandomGenesisAccounts, app.GetSubspace(authtypes.ModuleName)),
		vesting.NewAppModule(app.AccountKeeper, app.BankKeeper),
		bank.NewAppModule(appCodec, app.BankKeeper, app.AccountKeeper, app.GetSubspace(banktypes.ModuleName)),
		capability.NewAppModule(appCodec, *app.CapabilityKeeper, false),
		crisis.NewAppModule(app.CrisisKeeper, skipGenesisInvariants, app.GetSubspace(crisistypes.ModuleName)),
		feegrantmodule.NewAppModule(appCodec, app.AccountKeeper, app.BankKeeper, app.FeeGrantKeeper, app.interfaceRegistry),
		gov.NewAppModule(appCodec, &app.GovKeeper, app.AccountKeeper, app.BankKeeper, app.GetSubspace(govtypes.ModuleName)),
		groupmodule.NewAppModule(appCodec, app.GroupKeeper, app.AccountKeeper, app.BankKeeper, app.interfaceRegistry),
		mint.NewAppModule(appCodec, app.MintKeeper, app.AccountKeeper, nil, app.GetSubspace(minttypes.ModuleName)),
		slashing.NewAppModule(appCodec, app.SlashingKeeper, app.AccountKeeper, app.BankKeeper, app.StakingKeeper, app.GetSubspace(slashingtypes.ModuleName)),
		distr.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),
		evidence.NewAppModule(app.EvidenceKeeper),
		params.NewAppModule(app.ParamsKeeper),
		authzmodule.NewAppModule(appCodec, app.AuthzKeeper, app.AccountKeeper, app.BankKeeper, app.interfaceRegistry),
		consensus.NewAppModule(appCodec, app.ConsensusParamsKeeper),

		// IBC modules
		ibc.NewAppModule(app.IBCKeeper),
		packetforward.NewAppModule(app.PacketForwardKeeper, app.GetSubspace(packetforwardtypes.ModuleName)),
		transfer.NewAppModule(app.TransferKeeper),
	)

	// 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(
		upgradetypes.ModuleName, capabilitytypes.ModuleName, minttypes.ModuleName, distrtypes.ModuleName, slashingtypes.ModuleName,
		evidencetypes.ModuleName, stakingtypes.ModuleName, ibcexported.ModuleName, packetforwardtypes.ModuleName, ibctransfertypes.StoreKey, authtypes.ModuleName,
		banktypes.ModuleName, govtypes.ModuleName, crisistypes.ModuleName, genutiltypes.ModuleName, authz.ModuleName, feegrant.ModuleName,
		paramstypes.ModuleName, vestingtypes.ModuleName, group.ModuleName, consensusparamtypes.ModuleName,
	)
	app.mm.SetOrderEndBlockers(
		crisistypes.ModuleName, govtypes.ModuleName, stakingtypes.ModuleName, ibcexported.ModuleName, packetforwardtypes.ModuleName, ibctransfertypes.StoreKey,
		capabilitytypes.ModuleName, authtypes.ModuleName, banktypes.ModuleName, distrtypes.ModuleName, slashingtypes.ModuleName,
		minttypes.ModuleName, genutiltypes.ModuleName, evidencetypes.ModuleName, authz.ModuleName, feegrant.ModuleName, paramstypes.ModuleName,
		upgradetypes.ModuleName, vestingtypes.ModuleName, group.ModuleName, consensusparamtypes.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.
	genesisModuleOrder := []string{
		capabilitytypes.ModuleName, authtypes.ModuleName, banktypes.ModuleName, distrtypes.ModuleName, stakingtypes.ModuleName, ibcexported.ModuleName,
		slashingtypes.ModuleName, govtypes.ModuleName, minttypes.ModuleName, crisistypes.ModuleName,
		genutiltypes.ModuleName, evidencetypes.ModuleName, authz.ModuleName,
		packetforwardtypes.ModuleName, ibctransfertypes.StoreKey, feegrant.ModuleName, paramstypes.ModuleName, upgradetypes.ModuleName,
		vestingtypes.ModuleName, group.ModuleName, consensusparamtypes.ModuleName,
	}

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

	app.mm.RegisterInvariants(app.CrisisKeeper)
	app.configurator = module.NewConfigurator(app.appCodec, app.MsgServiceRouter(), app.GRPCQueryRouter())
	app.mm.RegisterServices(app.configurator)

	// add test gRPC service for testing gRPC queries in isolation
	autocliv1.RegisterQueryServer(app.GRPCQueryRouter(), runtimeservices.NewAutoCLIQueryService(app.mm.Modules))

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

	// 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
	overrideModules := map[string]module.AppModuleSimulation{
		authtypes.ModuleName: auth.NewAppModule(app.appCodec, app.AccountKeeper, authsims.RandomGenesisAccounts, app.GetSubspace(authtypes.ModuleName)),
	}
	app.sm = module.NewSimulationManagerFromAppModules(app.mm.Modules, overrideModules)

	app.sm.RegisterStoreDecoders()

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

	// register upgrade
	app.setupUpgradeHandlers()
	app.setupUpgradeStoreLoaders()

	// initialize BaseApp
	app.SetInitChainer(app.InitChainer)
	app.SetBeginBlocker(app.BeginBlocker)
	anteHandler, err := NewAnteHandler(
		HandlerOptions{
			HandlerOptions: ante.HandlerOptions{
				AccountKeeper:   app.AccountKeeper,
				BankKeeper:      app.BankKeeper,
				SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
				FeegrantKeeper:  app.FeeGrantKeeper,
				SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
			},
			IBCKeeper: app.IBCKeeper,
		},
	)
	if err != nil {
		panic(err)
	}

	app.SetAnteHandler(anteHandler)

	app.SetEndBlocker(app.EndBlocker)

	if loadLatest {
		if err := app.LoadLatestVersion(); err != nil {
			tmos.Exit(err.Error())
		}
	}

	app.ScopedIBCKeeper = scopedIBCKeeper
	app.ScopedTransferKeeper = scopedTransferKeeper

	return app
}

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

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

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

// InitChainer application update at chain initialization
func (app *SimApp) InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
	var genesisState GenesisState
	if err := json.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 *SimApp) LoadHeight(height int64) error {
	return app.LoadVersion(height)
}

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

	return modAccAddrs
}

// GetModuleManager returns the app module manager
// NOTE: used for testing purposes
func (app *SimApp) GetModuleManager() *module.Manager {
	return app.mm
}

// LegacyAmino returns SimApp'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 *SimApp) LegacyAmino() *codec.LegacyAmino {
	return app.legacyAmino
}

// AppCodec returns SimApp's 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 *SimApp) AppCodec() codec.Codec {
	return app.appCodec
}

// InterfaceRegistry returns SimApp's InterfaceRegistry
func (app *SimApp) 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 *SimApp) GetKey(storeKey string) *storetypes.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 *SimApp) GetTKey(storeKey string) *storetypes.TransientStoreKey {
	return app.tkeys[storeKey]
}

// GetMemKey returns the MemStoreKey for the provided mem key.
//
// NOTE: This is solely used for testing purposes.
func (app *SimApp) GetMemKey(storeKey string) *storetypes.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 *SimApp) GetSubspace(moduleName string) paramstypes.Subspace {
	subspace, _ := app.ParamsKeeper.GetSubspace(moduleName)
	return subspace
}

// TestingApp functions

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

// GetStakingKeeper implements the TestingApp interface.
func (app *SimApp) GetStakingKeeper() ibctestingtypes.StakingKeeper {
	return app.StakingKeeper
}

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

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

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

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

func (app *SimApp) setupUpgradeHandlers() {
	app.UpgradeKeeper.SetUpgradeHandler(
		upgrades.V2,
		upgrades.CreateV2UpgradeHandler(app.mm, app.configurator, app.ParamsKeeper, app.ConsensusParamsKeeper, app.PacketForwardKeeper),
	)
}

// setupUpgradeStoreLoaders sets all necessary store loaders required by upgrades.
func (app *SimApp) setupUpgradeStoreLoaders() {
	// upgradeInfo, err := app.UpgradeKeeper.ReadUpgradeInfoFromDisk()
	// if err != nil {
	// 	tmos.Exit(fmt.Sprintf("failed to read upgrade info from disk %s", err))
	// }

	// // Future: if we want to fix the module name, we can do it here.
	// if upgradeInfo.Name == upgrades.V2 && !app.UpgradeKeeper.IsSkipHeight(upgradeInfo.Height) {
	// 	storeUpgrades := storetypes.StoreUpgrades{
	// 		Renamed: []storetypes.StoreRename{{
	// 			OldKey: "packetfoward", // previous misspelling
	// 			NewKey: packetforwardtypes.ModuleName,
	// 		}},
	// 	}

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

// RegisterAPIRoutes registers all application module routes with the provided
// API server.
func (app *SimApp) 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 node gRPC service for grpc-gateway.
	nodeservice.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)

	// Register legacy and 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(clientCtx, apiSvr.Router)
	}
}

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

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

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

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

func (app *SimApp) RegisterNodeService(context client.Context) {
	nodeservice.RegisterNodeService(context, app.GRPCQueryRouter())
}

// 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)

	paramsKeeper.Subspace(authtypes.ModuleName)
	paramsKeeper.Subspace(banktypes.ModuleName)
	paramsKeeper.Subspace(stakingtypes.ModuleName)
	paramsKeeper.Subspace(minttypes.ModuleName)
	paramsKeeper.Subspace(distrtypes.ModuleName)
	paramsKeeper.Subspace(slashingtypes.ModuleName)
	paramsKeeper.Subspace(govtypes.ModuleName)
	paramsKeeper.Subspace(crisistypes.ModuleName)
	paramsKeeper.Subspace(ibcexported.ModuleName)
	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
	paramsKeeper.Subspace(packetforwardtypes.ModuleName).WithKeyTable(packetforwardtypes.ParamKeyTable())

	return paramsKeeper
}

// EmptyAppOptions is a stub implementing AppOptions
type EmptyAppOptions struct{}

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

func GetSimApp(chain *ibctesting.TestChain) *SimApp {
	app, ok := chain.App.(*SimApp)
	require.True(chain.T, ok)

	return app
}