app.go

package simapp

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

	dbm "github.com/cometbft/cometbft-db"
	abci "github.com/cometbft/cometbft/abci/types"
	"github.com/cometbft/cometbft/crypto"
	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"
	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"
	"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"
	"github.com/cosmos/cosmos-sdk/version"
	"github.com/cosmos/cosmos-sdk/x/auth"
	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/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"
	consensuskeeper "github.com/cosmos/cosmos-sdk/x/consensus/keeper"
	consensustypes "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/genutil"
	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
	"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/staking"
	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
	"github.com/cosmos/ibc-go/v7/modules/apps/transfer"

	simappparams "cosmossdk.io/simapp/params"

	tokentypes "github.com/irisnet/irismod/modules/token/types"
	tokenv1 "github.com/irisnet/irismod/modules/token/types/v1"

	"github.com/irisnet/irishub/v2/address"
	"github.com/irisnet/irishub/v2/lite"
	"github.com/irisnet/irishub/v2/modules/guardian"
	guardiankeeper "github.com/irisnet/irishub/v2/modules/guardian/keeper"
	guardiantypes "github.com/irisnet/irishub/v2/modules/guardian/types"
	"github.com/irisnet/irishub/v2/modules/mint"
	mintkeeper "github.com/irisnet/irishub/v2/modules/mint/keeper"
	minttypes "github.com/irisnet/irishub/v2/modules/mint/types"

	tibcmttransfer "github.com/bianjieai/tibc-go/modules/tibc/apps/mt_transfer"
	tibcnfttransfer "github.com/bianjieai/tibc-go/modules/tibc/apps/nft_transfer"
)

const appName = "SimApp"

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

	// Denominations can be 3 ~ 128 characters long and support letters, followed by either
	// a letter, a number, ('-'), or a separator ('/').
	// overwite sdk reDnmString
	reDnmString = `[a-zA-Z][a-zA-Z0-9/-]{2,127}`

	// 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.AppModuleBasic{},
		bank.AppModuleBasic{},
		capability.AppModuleBasic{},
		staking.AppModuleBasic{},
		distr.AppModuleBasic{},
		params.AppModuleBasic{},
		slashing.AppModuleBasic{},
		vesting.AppModuleBasic{},
		consensus.AppModuleBasic{},
		crisis.AppModuleBasic{},

		guardian.AppModuleBasic{},
		mint.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},
	}

	nativeToken tokenv1.Token
)

var (
	_ runtime.AppI            = (*SimApp)(nil)
	_ servertypes.Application = (*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
	configurator      module.Configurator
	txConfig          client.TxConfig

	invCheckPeriod uint

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

	// cosmos
	AccountKeeper         authkeeper.AccountKeeper
	BankKeeper            bankkeeper.Keeper
	CapabilityKeeper      *capabilitykeeper.Keeper
	StakingKeeper         *stakingkeeper.Keeper
	SlashingKeeper        slashingkeeper.Keeper
	CrisisKeeper          *crisiskeeper.Keeper
	DistrKeeper           distrkeeper.Keeper
	ParamsKeeper          paramskeeper.Keeper
	ConsensusParamsKeeper consensuskeeper.Keeper

	GuardianKeeper guardiankeeper.Keeper
	MintKeeper     mintkeeper.Keeper

	// the module manager
	mm *module.Manager

	// simulation manager
	sm *module.SimulationManager

	transferModule    transfer.AppModule
	nfttransferModule tibcnfttransfer.AppModule
	mttransferModule  tibcmttransfer.AppModule
}

func init() {
	// set bech32 prefix
	address.ConfigureBech32Prefix()

	// set coin denom regexs
	sdk.SetCoinDenomRegex(DefaultCoinDenomRegex)

	nativeToken = tokenv1.Token{
		Symbol:        "iris",
		Name:          "Irishub staking token",
		Scale:         6,
		MinUnit:       "uiris",
		InitialSupply: 2000000000,
		MaxSupply:     10000000000,
		Mintable:      true,
		Owner:         sdk.AccAddress(crypto.AddressHash([]byte(tokentypes.ModuleName))).String(),
	}

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

	DefaultNodeHome = filepath.Join(userHomeDir, ".iris")
	owner, err := sdk.AccAddressFromBech32(nativeToken.Owner)
	if err != nil {
		panic(err)
	}

	tokenv1.SetNativeToken(
		nativeToken.Symbol,
		nativeToken.Name,
		nativeToken.MinUnit,
		nativeToken.Scale,
		nativeToken.InitialSupply,
		nativeToken.MaxSupply,
		nativeToken.Mintable,
		owner,
	)
}

// DefaultCoinDenomRegex returns the default regex string
func DefaultCoinDenomRegex() string {
	return reDnmString
}

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

	// TODO: Remove cdc in favor of appCodec once all modules are migrated.
	appCodec := encodingConfig.Codec
	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,
		stakingtypes.StoreKey,
		distrtypes.StoreKey,
		slashingtypes.StoreKey,
		crisistypes.StoreKey,
		consensustypes.StoreKey,
		paramstypes.StoreKey,
		capabilitytypes.StoreKey,
		guardiantypes.StoreKey,
		minttypes.StoreKey,
	)
	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)

	// configure state listening capabilities using AppOptions
	// we are doing nothing with the returned streamingServices and waitGroup in this case
	if _, _, err := streaming.LoadStreamingServices(bApp, appOpts, appCodec, logger, keys); err != nil {
		tmos.Exit(err.Error())
	}

	app := &SimApp{
		BaseApp:           bApp,
		legacyAmino:       legacyAmino,
		appCodec:          appCodec,
		interfaceRegistry: interfaceRegistry,
		invCheckPeriod:    invCheckPeriod,
		keys:              keys,
		tkeys:             tkeys,
		memKeys:           memKeys,
		txConfig:          encodingConfig.TxConfig,
	}

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

	app.ConsensusParamsKeeper = consensuskeeper.NewKeeper(
		appCodec,
		keys[consensustypes.StoreKey],
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)
	// set the BaseApp's parameter store
	bApp.SetParamStore(&app.ConsensusParamsKeeper)

	// add capability keeper and ScopeToModule for ibc module
	app.CapabilityKeeper = capabilitykeeper.NewKeeper(
		appCodec,
		keys[capabilitytypes.StoreKey],
		memKeys[capabilitytypes.MemStoreKey],
	)

	app.AccountKeeper = authkeeper.NewAccountKeeper(
		appCodec,
		keys[authtypes.StoreKey],
		authtypes.ProtoBaseAccount,
		maccPerms,
		address.Bech32PrefixAccAddr,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

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

	app.StakingKeeper = stakingkeeper.NewKeeper(
		appCodec,
		keys[stakingtypes.StoreKey],
		app.AccountKeeper,
		app.BankKeeper,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	app.MintKeeper = mintkeeper.NewKeeper(
		appCodec,
		keys[minttypes.StoreKey],
		app.AccountKeeper,
		app.BankKeeper,
		authtypes.FeeCollectorName,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

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

	app.SlashingKeeper = slashingkeeper.NewKeeper(
		appCodec,
		legacyAmino,
		keys[slashingtypes.StoreKey],
		app.StakingKeeper,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	app.CrisisKeeper = crisiskeeper.NewKeeper(
		appCodec,
		keys[crisistypes.StoreKey],
		invCheckPeriod,
		app.BankKeeper,
		authtypes.FeeCollectorName,
		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
	)

	// 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.GuardianKeeper = guardiankeeper.NewKeeper(
		appCodec,
		keys[guardiantypes.StoreKey],
	)

	/****  Module Options ****/
	var skipGenesisInvariants = false
	opt := appOpts.Get(crisis.FlagSkipGenesisInvariants)
	if opt, ok := opt.(bool); ok {
		skipGenesisInvariants = opt
	}

	// NOTE: Any module instantiated in the module manager that is later modified
	// must be passed by reference here.
	app.mm = module.NewManager(
		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),
		),
		mint.NewAppModule(appCodec, app.MintKeeper, 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),
		),
		consensus.NewAppModule(appCodec, app.ConsensusParamsKeeper),
		vesting.NewAppModule(app.AccountKeeper, app.BankKeeper),

		params.NewAppModule(app.ParamsKeeper),
		guardian.NewAppModule(appCodec, app.GuardianKeeper),
	)

	// 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
	app.mm.SetOrderBeginBlockers(
		upgradetypes.ModuleName,
		capabilitytypes.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		distrtypes.ModuleName,
		stakingtypes.ModuleName,
		slashingtypes.ModuleName,
		crisistypes.ModuleName,
		genutiltypes.ModuleName,
		paramstypes.ModuleName,
		vestingtypes.ModuleName,
		consensustypes.ModuleName,

		minttypes.ModuleName,
		guardiantypes.ModuleName,
	)
	app.mm.SetOrderEndBlockers(
		//sdk module
		upgradetypes.ModuleName,
		capabilitytypes.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		distrtypes.ModuleName,
		stakingtypes.ModuleName,
		slashingtypes.ModuleName,
		crisistypes.ModuleName,
		genutiltypes.ModuleName,
		paramstypes.ModuleName,
		vestingtypes.ModuleName,
		consensustypes.ModuleName,

		//self module
		guardiantypes.ModuleName,
		minttypes.ModuleName,
	)

	// NOTE: The genutils module must occur after staking so that pools are
	// properly initialized with tokens from genesis accounts.
	// 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(
		//sdk module
		upgradetypes.ModuleName,
		capabilitytypes.ModuleName,
		authtypes.ModuleName,
		banktypes.ModuleName,
		distrtypes.ModuleName,
		stakingtypes.ModuleName,
		slashingtypes.ModuleName,
		crisistypes.ModuleName,
		genutiltypes.ModuleName,
		paramstypes.ModuleName,
		vestingtypes.ModuleName,
		consensustypes.ModuleName,

		//self module
		guardiantypes.ModuleName,
		minttypes.ModuleName,
	)

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

	// 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,
			app.GetSubspace(authtypes.ModuleName),
		),
		bank.NewAppModule(
			appCodec,
			app.BankKeeper,
			app.AccountKeeper,
			app.GetSubspace(banktypes.ModuleName),
		),
		capability.NewAppModule(appCodec, *app.CapabilityKeeper, false),
		mint.NewAppModule(appCodec, app.MintKeeper, app.GetSubspace(minttypes.ModuleName)),
		staking.NewAppModule(
			appCodec,
			app.StakingKeeper,
			app.AccountKeeper,
			app.BankKeeper,
			app.GetSubspace(stakingtypes.ModuleName),
		),
		distr.NewAppModule(
			appCodec,
			app.DistrKeeper,
			app.AccountKeeper,
			app.BankKeeper,
			app.StakingKeeper,
			app.GetSubspace(distrtypes.ModuleName),
		),
		slashing.NewAppModule(
			appCodec,
			app.SlashingKeeper,
			app.AccountKeeper,
			app.BankKeeper,
			app.StakingKeeper,
			app.GetSubspace(slashingtypes.ModuleName),
		),
		params.NewAppModule(app.ParamsKeeper),
		guardian.NewAppModule(appCodec, app.GuardianKeeper),
	)

	app.sm.RegisterStoreDecoders()

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

	//app.SetAnteHandler(anteHandler)
	app.SetInitChainer(app.InitChainer)
	app.SetBeginBlocker(app.BeginBlocker)
	app.SetEndBlocker(app.EndBlocker)

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

		// Initialize and seal the capability keeper so all persistent capabilities
		// are loaded in-memory and prevent any further modules from creating scoped
		// sub-keepers.
		// This must be done during creation of baseapp rather than in InitChain so
		// that in-memory capabilities get regenerated on app restart.
		// Note that since this reads from the store, we can only perform it when
		// `loadLatest` is set to true.
		app.CapabilityKeeper.Seal()
	}
	return app
}

// MakeCodecs constructs the *std.Codec and *codec.LegacyAmino instances used by
// irisapp. It is useful for tests and clients who do not want to construct the
// full irisapp
func MakeCodecs() (codec.Codec, *codec.LegacyAmino) {
	config := MakeTestEncodingConfig()
	return config.Codec, config.Amino
}

// 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 := tmjson.Unmarshal(req.AppStateBytes, &genesisState); err != nil {
		panic(err)
	}
	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
}

// BlockedModuleAccountAddrs returns all the app's blocked module account
// addresses.
func (app *SimApp) BlockedModuleAccountAddrs() map[string]bool {
	modAccAddrs := app.ModuleAccountAddrs()

	// remove module accounts that are ALLOWED to received funds
	//
	// TODO: Blocked on updating to v0.46.x
	// delete(modAccAddrs, authtypes.NewModuleAddress(grouptypes.ModuleName).String())
	delete(modAccAddrs, authtypes.NewModuleAddress(govtypes.ModuleName).String())

	return modAccAddrs
}

// 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
}

// TxConfig returns SimApp's TxConfig
func (app *SimApp) TxConfig() client.TxConfig {
	return app.txConfig
}

// DefaultGenesis returns a default genesis from the registered AppModuleBasic's.
func (a *SimApp) DefaultGenesis() map[string]json.RawMessage {
	return ModuleBasics.DefaultGenesis(a.AppCodec())
}

// AppCodec returns IrisApp'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 IrisApp'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
}

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

// 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 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 {
		lite.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,
	)
}

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

// 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 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(crisistypes.ModuleName)

	return paramsKeeper
}