simapp

package
v0.39.3-rc1 Latest Latest
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 Go to latest Published: Mar 31, 2021 License: Apache-2.0 Imports: 49 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// DefaultCLIHome default home directories for the application CLI
	DefaultCLIHome = os.ExpandEnv("$HOME/.simapp")

	// DefaultNodeHome default home directories for the application daemon
	DefaultNodeHome = os.ExpandEnv("$HOME/.simapp")

	// 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{},
		supply.AppModuleBasic{},
		genutil.AppModuleBasic{},
		bank.AppModuleBasic{},
		staking.AppModuleBasic{},
		mint.AppModuleBasic{},
		distr.AppModuleBasic{},
		gov.NewAppModuleBasic(
			paramsclient.ProposalHandler, distr.ProposalHandler, upgradeclient.ProposalHandler,
		),
		params.AppModuleBasic{},
		crisis.AppModuleBasic{},
		slashing.AppModuleBasic{},
		upgrade.AppModuleBasic{},
		evidence.AppModuleBasic{},
	)
)
View Source 
var (
	FlagGenesisFileValue        string
	FlagParamsFileValue         string
	FlagExportParamsPathValue   string
	FlagExportParamsHeightValue int
	FlagExportStatePathValue    string
	FlagExportStatsPathValue    string
	FlagSeedValue               int64
	FlagInitialBlockHeightValue int
	FlagNumBlocksValue          int
	FlagBlockSizeValue          int
	FlagLeanValue               bool
	FlagCommitValue             bool
	FlagOnOperationValue        bool // TODO: Remove in favor of binary search for invariant violation
	FlagAllInvariantsValue      bool

	FlagEnabledValue     bool
	FlagVerboseValue     bool
	FlagPeriodValue      uint
	FlagGenesisTimeValue int64
)

List of available flags for the simulator

Functions

func AddTestAddrs 

func AddTestAddrs(app *SimApp, ctx sdk.Context, accNum int, accAmt sdk.Int) []sdk.AccAddress

AddTestAddrs constructs and returns accNum amount of accounts with an initial balance of accAmt

func AppStateFn 

func AppStateFn(cdc *codec.Codec, simManager *module.SimulationManager) simulation.AppStateFn

AppStateFn returns the initial application state using a genesis or the simulation parameters. It panics if the user provides files for both of them. If a file is not given for the genesis or the sim params, it creates a randomized one.

func AppStateFromGenesisFileFn 

func AppStateFromGenesisFileFn(r io.Reader, cdc *codec.Codec, genesisFile string) (tmtypes.GenesisDoc, []simulation.Account)

AppStateFromGenesisFileFn util function to generate the genesis AppState from a genesis.json file.

func AppStateRandomizedFn 

func AppStateRandomizedFn(
	simManager *module.SimulationManager, r *rand.Rand, cdc *codec.Codec,
	accs []simulation.Account, genesisTimestamp time.Time, appParams simulation.AppParams,
) (json.RawMessage, []simulation.Account)

AppStateRandomizedFn creates calls each module's GenesisState generator function and creates the simulation params

func CheckBalance 

func CheckBalance(t *testing.T, app *SimApp, addr sdk.AccAddress, exp sdk.Coins)

CheckBalance checks the balance of an account.

func CheckExportSimulation 

func CheckExportSimulation(
	app App, config simulation.Config, params simulation.Params,
) error

CheckExportSimulation exports the app state and simulation parameters to JSON if the export paths are defined.

func GenSequenceOfTxs 

func GenSequenceOfTxs(msgs []sdk.Msg, accNums []uint64, initSeqNums []uint64, numToGenerate int, priv ...crypto.PrivKey) []auth.StdTx

GenSequenceOfTxs generates a set of signed transactions of messages, such that they differ only by having the sequence numbers incremented between every transaction.

func GetMaccPerms 

func GetMaccPerms() map[string][]string

GetMaccPerms returns a copy of the module account permissions

func GetSimulationLog 

func GetSimulationLog(storeName string, sdr sdk.StoreDecoderRegistry, cdc *codec.Codec, kvAs, kvBs []tmkv.Pair) (log string)

GetSimulationLog unmarshals the KVPair's Value to the corresponding type based on the each's module store key and the prefix bytes of the KVPair's key.

func GetSimulatorFlags 

func GetSimulatorFlags()

GetSimulatorFlags gets the values of all the available simulation flags

func MakeCodec added in v0.36.0 

func MakeCodec() *codec.Codec

MakeCodec - custom tx codec

func NewConfigFromFlags 

func NewConfigFromFlags() simulation.Config

NewConfigFromFlags creates a simulation from the retrieved values of the flags.

func PrintStats 

func PrintStats(db dbm.DB)

PrintStats prints the corresponding statistics from the app DB.

func SetupSimulation 

func SetupSimulation(dirPrefix, dbName string) (simulation.Config, dbm.DB, string, log.Logger, bool, error)

SetupSimulation creates the config, db (levelDB), temporary directory and logger for the simulation tests. If `FlagEnabledValue` is false it skips the current test. Returns error on an invalid db intantiation or temp dir creation.

func SignCheckDeliver 

func SignCheckDeliver(
	t *testing.T, cdc *codec.Codec, app *bam.BaseApp, header abci.Header, msgs []sdk.Msg,
	accNums, seq []uint64, expSimPass, expPass bool, priv ...crypto.PrivKey,
) (sdk.GasInfo, *sdk.Result, error)

SignCheckDeliver checks a generated signed transaction and simulates a block commitment with the given transaction. A test assertion is made using the parameter 'expPass' against the result. A corresponding result is returned.

func SimulationOperations 

func SimulationOperations(app App, cdc *codec.Codec, config simulation.Config) []simulation.WeightedOperation

SimulationOperations retrieves the simulation params from the provided file path and returns all the modules weighted operations

Types

type App 

type App interface {
	// The assigned name of the app.
	Name() string

	// The application types codec.
	// NOTE: This shoult be sealed before being returned.
	Codec() *codec.Codec

	// Application updates every begin block.
	BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock

	// Application updates every end block.
	EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock

	// Application update at chain (i.e app) initialization.
	InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain

	// Loads the app at a given height.
	LoadHeight(height int64) error

	// Exports the state of the application for a genesis file.
	ExportAppStateAndValidators(
		forZeroHeight bool, jailWhiteList []string,
	) (json.RawMessage, []tmtypes.GenesisValidator, error)

	// All the registered module account addreses.
	ModuleAccountAddrs() map[string]bool

	// Helper for the simulation framework.
	SimulationManager() *module.SimulationManager
}

App implements the common methods for a Cosmos SDK-based application specific blockchain.

type GenesisState 

type GenesisState map[string]json.RawMessage

The genesis state of the blockchain is represented here as a map of raw json messages key'd by a identifier string. The identifier is used to determine which module genesis information belongs to so it may be appropriately routed during init chain. Within this application default genesis information is retrieved from the ModuleBasicManager which populates json from each BasicModule object provided to it during init.

func NewDefaultGenesisState 

func NewDefaultGenesisState() GenesisState

NewDefaultGenesisState generates the default state for the application.

type SimApp 

type SimApp struct {
	*bam.BaseApp

	// keepers
	AccountKeeper  auth.AccountKeeper
	BankKeeper     bank.Keeper
	SupplyKeeper   supply.Keeper
	StakingKeeper  staking.Keeper
	SlashingKeeper slashing.Keeper
	MintKeeper     mint.Keeper
	DistrKeeper    distr.Keeper
	GovKeeper      gov.Keeper
	CrisisKeeper   crisis.Keeper
	UpgradeKeeper  upgrade.Keeper
	ParamsKeeper   params.Keeper
	EvidenceKeeper evidence.Keeper
	// contains filtered or unexported fields
}

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.

func NewSimApp 

func NewSimApp(
	logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool, skipUpgradeHeights map[int64]bool,
	invCheckPeriod uint, baseAppOptions ...func(*bam.BaseApp),
) *SimApp

NewSimApp returns a reference to an initialized SimApp.

func Setup 

func Setup(isCheckTx bool) *SimApp

Setup initializes a new SimApp. A Nop logger is set in SimApp.

func SetupWithGenesisAccounts 

func SetupWithGenesisAccounts(genAccs []authexported.GenesisAccount) *SimApp

SetupWithGenesisAccounts initializes a new SimApp with the passed in genesis accounts.

func (*SimApp) BeginBlocker 

func (app *SimApp) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock

BeginBlocker application updates every begin block

func (*SimApp) Codec 

func (app *SimApp) Codec() *codec.Codec

Codec returns SimApp's 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 (*SimApp) EndBlocker 

func (app *SimApp) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock

EndBlocker application updates every end block

func (*SimApp) ExportAppStateAndValidators 

func (app *SimApp) ExportAppStateAndValidators(
	forZeroHeight bool, jailWhiteList []string,
) (appState json.RawMessage, validators []tmtypes.GenesisValidator, err error)

ExportAppStateAndValidators exports the state of the application for a genesis file.

func (*SimApp) GetKey 

func (app *SimApp) GetKey(storeKey string) *sdk.KVStoreKey

GetKey returns the KVStoreKey for the provided store key.

NOTE: This is solely to be used for testing purposes.

func (*SimApp) GetSubspace 

func (app *SimApp) GetSubspace(moduleName string) params.Subspace

GetSubspace returns a param subspace for a given module name.

NOTE: This is solely to be used for testing purposes.

func (*SimApp) GetTKey 

func (app *SimApp) GetTKey(storeKey string) *sdk.TransientStoreKey

GetTKey returns the TransientStoreKey for the provided store key.

NOTE: This is solely to be used for testing purposes.

func (*SimApp) InitChainer 

func (app *SimApp) InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain

InitChainer application update at chain initialization

func (*SimApp) LoadHeight 

func (app *SimApp) LoadHeight(height int64) error

LoadHeight loads a particular height

func (*SimApp) ModuleAccountAddrs 

func (app *SimApp) ModuleAccountAddrs() map[string]bool

ModuleAccountAddrs returns all the app's module account addresses.

func (*SimApp) Name 

func (app *SimApp) Name() string

Name returns the name of the App

func (*SimApp) SimulationManager 

func (app *SimApp) SimulationManager() *module.SimulationManager

SimulationManager implements the SimulationApp interface

type SimGenesisAccount 

type SimGenesisAccount struct {
	*authtypes.BaseAccount

	// vesting account fields
	OriginalVesting  sdk.Coins `json:"original_vesting" yaml:"original_vesting"`   // total vesting coins upon initialization
	DelegatedFree    sdk.Coins `json:"delegated_free" yaml:"delegated_free"`       // delegated vested coins at time of delegation
	DelegatedVesting sdk.Coins `json:"delegated_vesting" yaml:"delegated_vesting"` // delegated vesting coins at time of delegation
	StartTime        int64     `json:"start_time" yaml:"start_time"`               // vesting start time (UNIX Epoch time)
	EndTime          int64     `json:"end_time" yaml:"end_time"`                   // vesting end time (UNIX Epoch time)

	// module account fields
	ModuleName        string   `json:"module_name" yaml:"module_name"`               // name of the module account
	ModulePermissions []string `json:"module_permissions" yaml:"module_permissions"` // permissions of module account
}

SimGenesisAccount defines a type that implements the GenesisAccount interface to be used for simulation accounts in the genesis state.

func (SimGenesisAccount) Validate 

func (sga SimGenesisAccount) Validate() error

Validate checks for errors on the vesting and module account parameters

Source Files

View all Source files

Directories

Path Synopsis
Package params defines the simulation parameters in the simapp.
 Package params defines the simulation parameters in the simapp.

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