mock

package
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 Go to latest Published: Sep 4, 2022 License: Apache-2.0 Imports: 26 Imported by: 0

README

This package is only intended to be used for testing core IBC. In order to maintain secure testing, we need to do message passing and execution which requires connecting an IBC application module that fulfills all the callbacks. We cannot connect to ibc-transfer which does not support all channel types so instead we create a mock application module which does nothing. It simply return nil in all cases so no error ever occurs. It is intended to be as minimal and lightweight as possible and should never import simapp.

Documentation

Overview

This package is only intended to be used for testing core IBC. In order to maintain secure testing, we need to do message passing and execution which requires connecting an IBC application module that fulfills all the callbacks. We cannot connect to ibc-transfer which does not support all channel types so instead we create a mock application module which does nothing. It simply return nil in all cases so no error ever occurs. It is intended to be as minimal and lightweight as possible and should never import simapp.

Index

Constants

View Source 
const (
	ModuleName = "mock"

	PortID  = ModuleName
	Version = "mock-version"
)

Variables

View Source 
var (
	MockAcknowledgement             = channeltypes.NewResultAcknowledgement([]byte("mock acknowledgement"))
	MockFailAcknowledgement         = channeltypes.NewErrorAcknowledgement(fmt.Errorf("mock failed acknowledgement"))
	MockPacketData                  = []byte("mock packet data")
	MockFailPacketData              = []byte("mock failed packet data")
	MockAsyncPacketData             = []byte("mock async packet data")
	MockRecvCanaryCapabilityName    = "mock receive canary capability name"
	MockAckCanaryCapabilityName     = "mock acknowledgement canary capability name"
	MockTimeoutCanaryCapabilityName = "mock timeout canary capability name"
)

Functions

func GetMockAckCanaryCapabilityName 

func GetMockAckCanaryCapabilityName(packet channeltypes.Packet) string

GetMockAckCanaryCapabilityName generates a capability name for OnAcknowledgementPacket functionality.

func GetMockRecvCanaryCapabilityName 

func GetMockRecvCanaryCapabilityName(packet channeltypes.Packet) string

GetMockRecvCanaryCapabilityName generates a capability name for testing OnRecvPacket functionality.

func GetMockTimeoutCanaryCapabilityName 

func GetMockTimeoutCanaryCapabilityName(packet channeltypes.Packet) string

GetMockTimeoutCanaryCapabilityName generates a capability name for OnTimeoutacket functionality.

Types

type AppModule 

type AppModule struct {
	AppModuleBasic
	// contains filtered or unexported fields
}

AppModule represents the AppModule for the mock module.

func NewAppModule 

func NewAppModule(pk PortKeeper) AppModule

NewAppModule returns a mock AppModule instance.

func (AppModule) BeginBlock 

func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock)

BeginBlock implements the AppModule interface

func (AppModule) ConsensusVersion 

func (AppModule) ConsensusVersion() uint64

ConsensusVersion implements AppModule/ConsensusVersion.

func (AppModule) EndBlock 

func (am AppModule) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate

EndBlock implements the AppModule interface

func (AppModule) ExportGenesis 

func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage

ExportGenesis implements the AppModule interface.

func (AppModule) InitGenesis 

func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate

InitGenesis implements the AppModule interface.

func (AppModule) LegacyQuerierHandler 

func (am AppModule) LegacyQuerierHandler(*codec.LegacyAmino) sdk.Querier

LegacyQuerierHandler implements the AppModule interface.

func (AppModule) QuerierRoute 

func (AppModule) QuerierRoute() string

QuerierRoute implements the AppModule interface.

func (AppModule) RegisterInvariants 

func (AppModule) RegisterInvariants(ir sdk.InvariantRegistry)

RegisterInvariants implements the AppModule interface.

func (AppModule) RegisterServices 

func (am AppModule) RegisterServices(module.Configurator)

RegisterServices implements the AppModule interface.

func (AppModule) Route 

func (am AppModule) Route() sdk.Route

Route implements the AppModule interface.

type AppModuleBasic 

type AppModuleBasic struct{}

AppModuleBasic is the mock AppModuleBasic.

func (AppModuleBasic) DefaultGenesis 

func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage

DefaultGenesis implements AppModuleBasic interface.

func (AppModuleBasic) GetQueryCmd 

func (AppModuleBasic) GetQueryCmd() *cobra.Command

GetQueryCmd implements AppModuleBasic interface.

func (AppModuleBasic) GetTxCmd 

func (AppModuleBasic) GetTxCmd() *cobra.Command

GetTxCmd implements AppModuleBasic interface.

func (AppModuleBasic) Name 

func (AppModuleBasic) Name() string

Name implements AppModuleBasic interface.

func (AppModuleBasic) RegisterGRPCGatewayRoutes 

func (a AppModuleBasic) RegisterGRPCGatewayRoutes(_ client.Context, _ *runtime.ServeMux)

RegisterGRPCGatewayRoutes implements AppModuleBasic interface.

func (AppModuleBasic) RegisterInterfaces 

func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry)

RegisterInterfaces implements AppModuleBasic interface.

func (AppModuleBasic) RegisterLegacyAminoCodec 

func (AppModuleBasic) RegisterLegacyAminoCodec(*codec.LegacyAmino)

RegisterLegacyAminoCodec implements AppModuleBasic interface.

func (AppModuleBasic) RegisterRESTRoutes 

func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router)

RegisterRESTRoutes implements AppModuleBasic interface.

func (AppModuleBasic) ValidateGenesis 

func (AppModuleBasic) ValidateGenesis(codec.JSONCodec, client.TxEncodingConfig, json.RawMessage) error

ValidateGenesis implements the AppModuleBasic interface.

type IBCModule 

type IBCModule struct {
	IBCApp *MockIBCApp // base application of an IBC middleware stack
	// contains filtered or unexported fields
}

IBCModule implements the ICS26 callbacks for testing/mock.

func NewIBCModule 

func NewIBCModule(appModule *AppModule, app *MockIBCApp) IBCModule

NewIBCModule creates a new IBCModule given the underlying mock IBC application and scopedKeeper.

func (IBCModule) OnAcknowledgementPacket 

func (im IBCModule) OnAcknowledgementPacket(ctx sdk.Context, packet channeltypes.Packet, acknowledgement []byte, relayer sdk.AccAddress) error

OnAcknowledgementPacket implements the IBCModule interface.

func (IBCModule) OnChanCloseConfirm 

func (im IBCModule) OnChanCloseConfirm(ctx sdk.Context, portID, channelID string) error

OnChanCloseConfirm implements the IBCModule interface.

func (IBCModule) OnChanCloseInit 

func (im IBCModule) OnChanCloseInit(ctx sdk.Context, portID, channelID string) error

OnChanCloseInit implements the IBCModule interface.

func (IBCModule) OnChanOpenAck 

func (im IBCModule) OnChanOpenAck(ctx sdk.Context, portID string, channelID string, counterpartyChannelID string, counterpartyVersion string) error

OnChanOpenAck implements the IBCModule interface.

func (IBCModule) OnChanOpenConfirm 

func (im IBCModule) OnChanOpenConfirm(ctx sdk.Context, portID, channelID string) error

OnChanOpenConfirm implements the IBCModule interface.

func (IBCModule) OnChanOpenInit 

func (im IBCModule) OnChanOpenInit(
	ctx sdk.Context, order channeltypes.Order, connectionHops []string, portID string,
	channelID string, chanCap *capabilitytypes.Capability, counterparty channeltypes.Counterparty, version string,
) (string, error)

OnChanOpenInit implements the IBCModule interface.

func (IBCModule) OnChanOpenTry 

func (im IBCModule) OnChanOpenTry(
	ctx sdk.Context, order channeltypes.Order, connectionHops []string, portID string,
	channelID string, chanCap *capabilitytypes.Capability, counterparty channeltypes.Counterparty, counterpartyVersion string,
) (version string, err error)

OnChanOpenTry implements the IBCModule interface.

func (IBCModule) OnRecvPacket 

func (im IBCModule) OnRecvPacket(ctx sdk.Context, packet channeltypes.Packet, relayer sdk.AccAddress) exported.Acknowledgement

OnRecvPacket implements the IBCModule interface.

func (IBCModule) OnTimeoutPacket 

func (im IBCModule) OnTimeoutPacket(ctx sdk.Context, packet channeltypes.Packet, relayer sdk.AccAddress) error

OnTimeoutPacket implements the IBCModule interface.

type MockEmptyAcknowledgement 

type MockEmptyAcknowledgement struct {
	Response []byte
}

MockEmptyAcknowledgement implements the exported.Acknowledgement interface and always returns an empty byte string as Response

func NewMockEmptyAcknowledgement 

func NewMockEmptyAcknowledgement() MockEmptyAcknowledgement

NewMockEmptyAcknowledgement returns a new instance of MockEmptyAcknowledgement

func (MockEmptyAcknowledgement) Acknowledgement 

func (ack MockEmptyAcknowledgement) Acknowledgement() []byte

Acknowledgement implements the Acknowledgement interface

func (MockEmptyAcknowledgement) Success 

func (ack MockEmptyAcknowledgement) Success() bool

Success implements the Acknowledgement interface

type MockIBCApp 

type MockIBCApp struct {
	PortID       string
	ScopedKeeper capabilitykeeper.ScopedKeeper

	OnChanOpenInit func(
		ctx sdk.Context,
		order channeltypes.Order,
		connectionHops []string,
		portID string,
		channelID string,
		channelCap *capabilitytypes.Capability,
		counterparty channeltypes.Counterparty,
		version string,
	) (string, error)

	OnChanOpenTry func(
		ctx sdk.Context,
		order channeltypes.Order,
		connectionHops []string,
		portID,
		channelID string,
		channelCap *capabilitytypes.Capability,
		counterparty channeltypes.Counterparty,
		counterpartyVersion string,
	) (version string, err error)

	OnChanOpenAck func(
		ctx sdk.Context,
		portID,
		channelID string,
		counterpartyChannelID string,
		counterpartyVersion string,
	) error

	OnChanOpenConfirm func(
		ctx sdk.Context,
		portID,
		channelID string,
	) error

	OnChanCloseInit func(
		ctx sdk.Context,
		portID,
		channelID string,
	) error

	OnChanCloseConfirm func(
		ctx sdk.Context,
		portID,
		channelID string,
	) error

	// OnRecvPacket must return an acknowledgement that implements the Acknowledgement interface.
	// In the case of an asynchronous acknowledgement, nil should be returned.
	// If the acknowledgement returned is successful, the state changes on callback are written,
	// otherwise the application state changes are discarded. In either case the packet is received
	// and the acknowledgement is written (in synchronous cases).
	OnRecvPacket func(
		ctx sdk.Context,
		packet channeltypes.Packet,
		relayer sdk.AccAddress,
	) exported.Acknowledgement

	OnAcknowledgementPacket func(
		ctx sdk.Context,
		packet channeltypes.Packet,
		acknowledgement []byte,
		relayer sdk.AccAddress,
	) error

	OnTimeoutPacket func(
		ctx sdk.Context,
		packet channeltypes.Packet,
		relayer sdk.AccAddress,
	) error
}

MockIBCApp contains IBC application module callbacks as defined in 05-port.

func NewMockIBCApp 

func NewMockIBCApp(portID string, scopedKeeper capabilitykeeper.ScopedKeeper) *MockIBCApp

NewMockIBCApp returns a MockIBCApp. An empty PortID indicates the mock app doesn't bind/claim ports.

type PV 

type PV struct {
	PrivKey cryptotypes.PrivKey
}

MockPV implements PrivValidator without any safety or persistence. Only use it for testing.

func NewPV 

func NewPV() PV

func (PV) GetPubKey 

func (pv PV) GetPubKey() (crypto.PubKey, error)

GetPubKey implements PrivValidator interface

func (PV) SignProposal 

func (pv PV) SignProposal(chainID string, proposal *tmproto.Proposal) error

SignProposal implements PrivValidator interface

func (PV) SignVote 

func (pv PV) SignVote(chainID string, vote *tmproto.Vote) error

SignVote implements PrivValidator interface

type PortKeeper 

type PortKeeper interface {
	BindPort(ctx sdk.Context, portID string) *capabilitytypes.Capability
	IsBound(ctx sdk.Context, portID string) bool
}

Expected Interface PortKeeper defines the expected IBC port keeper

Source Files

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