ibctesting

package
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 Go to latest Published: May 11, 2024 License: GPL-3.0 Imports: 45 Imported by: 0

Documentation

Overview

0.47 TODO: consider importing directly from ibc instead of forking

This file contains the variables, constants, and default values used in the testing package and commonly defined in tests.

Index

Constants

View Source 
const (
	FirstClientID     = "07-tendermint-0"
	SecondClientID    = "07-tendermint-1"
	FirstChannelID    = "channel-0"
	FirstConnectionID = "connection-0"

	// Default params constants used to create a TM client
	TrustingPeriod     time.Duration = time.Hour * 24 * 7 * 2
	UnbondingPeriod    time.Duration = time.Hour * 24 * 7 * 3
	MaxClockDrift      time.Duration = time.Second * 10
	DefaultDelayPeriod uint64        = 0

	DefaultChannelVersion = oracletypes.Version
	InvalidID             = "IDisInvalid"

	// Application Ports
	OraclePort = oracletypes.ModuleName
	// TransferPort = ibctransfertypes.ModuleName
	MockPort    = mock.ModuleName
	MockFeePort = simapp.MockFeePort

	// used for testing proposals
	Title       = "title"
	Description = "description"
)
View Source 
const ChainIDPrefix = "testchain"

Variables

View Source 
var (
	ChainIDSuffix = "-1"

	TimeIncrement = time.Second * 5
)
View Source 
var (
	DefaultOpenInitVersion *connectiontypes.Version

	// DefaultTrustLevel sets params variables used to create a TM client
	DefaultTrustLevel = ibctm.DefaultTrustLevel

	TestAccAddress = "cosmos17dtl0mjt3t77kpuhg2edqzjpszulwhgzuj9ljs"
	TestCoin       = sdk.NewCoin(sdk.DefaultBondDenom, math.NewInt(100))
	TestCoins      = sdk.NewCoins(TestCoin)

	UpgradePath = []string{"upgrade", "upgradedIBCState"}

	ConnectionVersion = connectiontypes.GetCompatibleVersions()[0]

	MockAcknowledgement          = mock.MockAcknowledgement.Acknowledgement()
	MockPacketData               = mock.MockPacketData
	MockFailPacketData           = mock.MockFailPacketData
	MockRecvCanaryCapabilityName = mock.MockRecvCanaryCapabilityName
)
View Source 
var MaxAccounts = 10

Functions

func ApplyValSetChanges added in v0.8.0 

func ApplyValSetChanges(t *testing.T, valSet *cmttypes.ValidatorSet, valUpdates []abci.ValidatorUpdate) *cmttypes.ValidatorSet

ApplyValSetChanges takes in cmttypes.ValidatorSet and []abci.ValidatorUpdate and will return a new cmttypes.ValidatorSet which has the provided validator updates applied to the provided validator set.

func AssertEvents 

func AssertEvents(
	suite *testifysuite.Suite,
	expected []abci.Event,
	actual []abci.Event,
)

AssertEvents asserts that expected events are present in the actual events.

func AssertEventsLegacy added in v0.8.0 

func AssertEventsLegacy(
	suite *testifysuite.Suite,
	expected EventsMap,
	actual []abci.Event,
)

AssertEventsLegacy asserts that expected events are present in the actual events. Expected map needs to be a subset of actual events to pass.

func GenerateString added in v0.8.0 

func GenerateString(length uint) string

GenerateString generates a random string of the given length in bytes

func GetChainID 

func GetChainID(index int) string

GetChainID returns the chainID used for the provided index.

func MakeBlockID 

func MakeBlockID(hash []byte, partSetSize uint32, partSetHash []byte) cmttypes.BlockID

MakeBlockID copied unimported test functions from cmttypes to use them here

func ParseAckFromEvents 

func ParseAckFromEvents(events []abci.Event) ([]byte, error)

ParseAckFromEvents parses events emitted from a MsgRecvPacket and returns the acknowledgement.

func ParseChannelIDFromEvents 

func ParseChannelIDFromEvents(events []abci.Event) (string, error)

ParseChannelIDFromEvents parses events emitted from a MsgChannelOpenInit or MsgChannelOpenTry and returns the channel identifier.

func ParseClientIDFromEvents 

func ParseClientIDFromEvents(events []abci.Event) (string, error)

ParseClientIDFromEvents parses events emitted from a MsgCreateClient and returns the client identifier.

func ParseConnectionIDFromEvents 

func ParseConnectionIDFromEvents(events []abci.Event) (string, error)

ParseConnectionIDFromEvents parses events emitted from a MsgConnectionOpenInit or MsgConnectionOpenTry and returns the connection identifier.

func ParsePacketFromEvents 

func ParsePacketFromEvents(events []abci.Event) (channeltypes.Packet, error)

ParsePacketFromEvents parses events emitted from a MsgRecvPacket and returns the acknowledgement.

func ParseProposalIDFromEvents added in v0.8.0 

func ParseProposalIDFromEvents(events []abci.Event) (uint64, error)

ParseProposalIDFromEvents parses events emitted from MsgSubmitProposal and returns proposalID

func SignAndDeliver added in v0.8.0 

func SignAndDeliver(
	tb testing.TB, txCfg client.TxConfig, app *baseapp.BaseApp, msgs []sdk.Msg,
	chainID string, accNums, accSeqs []uint64, expPass bool, blockTime time.Time, nextValHash []byte, priv ...cryptotypes.PrivKey,
) (*abci.ResponseFinalizeBlock, error)

SignAndDeliver signs and delivers a transaction. No simulation occurs as the ibc testing package causes checkState and deliverState to diverge in block time.

CONTRACT: BeginBlock must be called before this function.

func UnmarshalMsgResponses added in v0.8.0 

func UnmarshalMsgResponses(cdc codec.Codec, data []byte, msgs ...codec.ProtoMarshaler) error

UnmarshalMsgResponses parse out msg responses from a transaction result

func VoteAndCheckProposalStatus added in v0.8.0 

func VoteAndCheckProposalStatus(endpoint *Endpoint, proposalID uint64) error

VoteAndCheckProposalStatus votes on a gov proposal, checks if the proposal has passed, and returns an error if it has not with the failure reason.

Types

type ChannelConfig 

type ChannelConfig struct {
	PortID          string
	Version         string
	Order           channeltypes.Order
	ProposedUpgrade channeltypes.Upgrade
}

func NewChannelConfig 

func NewChannelConfig() *ChannelConfig

type ClientConfig 

type ClientConfig interface {
	GetClientType() string
}

type ConnectionConfig 

type ConnectionConfig struct {
	DelayPeriod uint64
	Version     *connectiontypes.Version
}

func NewConnectionConfig 

func NewConnectionConfig() *ConnectionConfig

type Coordinator 

type Coordinator struct {
	*testing.T

	CurrentTime time.Time
	Chains      map[string]*TestChain
}

Coordinator is a testing struct which contains N TestChain's. It handles keeping all chains in sync with regards to time.

func NewCoordinator 

func NewCoordinator(t *testing.T, n int) *Coordinator

NewCoordinator initializes Coordinator with N TestChain's

func (*Coordinator) CommitBlock 

func (coord *Coordinator) CommitBlock(chains ...*TestChain)

CommitBlock commits a block on the provided indexes and then increments the global time.

CONTRACT: the passed in list of indexes must not contain duplicates

func (*Coordinator) CommitNBlocks 

func (coord *Coordinator) CommitNBlocks(chain *TestChain, n uint64)

CommitNBlocks commits n blocks to state and updates the block height by 1 for each commit.

func (*Coordinator) CreateChannels 

func (coord *Coordinator) CreateChannels(path *Path)

CreateChannel constructs and executes channel handshake messages in order to create OPEN channels on chainA and chainB. The function expects the channels to be successfully opened otherwise testing will fail.

func (*Coordinator) CreateConnections 

func (coord *Coordinator) CreateConnections(path *Path)

CreateConnection constructs and executes connection handshake messages in order to create OPEN channels on chainA and chainB. The connection information of for chainA and chainB are returned within a TestConnection struct. The function expects the connections to be successfully opened otherwise testing will fail.

func (*Coordinator) CreateMockChannels 

func (coord *Coordinator) CreateMockChannels(path *Path)

CreateMockChannels constructs and executes channel handshake messages to create OPEN channels that use a mock application module that returns nil on all callbacks. This function is expects the channels to be successfully opened otherwise testing will fail.

func (*Coordinator) CreateTransferChannels 

func (coord *Coordinator) CreateTransferChannels(path *Path)

CreateTransferChannels constructs and executes channel handshake messages to create OPEN ibc-oracle channels on chainA and chainB. The function expects the channels to be successfully opened otherwise testing will fail.

func (*Coordinator) GetChain 

func (coord *Coordinator) GetChain(chainID string) *TestChain

GetChain returns the TestChain using the given chainID and returns an error if it does not exist.

func (*Coordinator) IncrementTime 

func (coord *Coordinator) IncrementTime()

IncrementTime iterates through all the TestChain's and increments their current header time by 5 seconds.

CONTRACT: this function must be called after every Commit on any TestChain.

func (*Coordinator) IncrementTimeBy 

func (coord *Coordinator) IncrementTimeBy(increment time.Duration)

IncrementTimeBy iterates through all the TestChain's and increments their current header time by specified time.

func (*Coordinator) Setup 

func (coord *Coordinator) Setup(path *Path)

Setup constructs a TM client, connection, and channel on both chains provided. It will fail if any error occurs. The clientID's, TestConnections, and TestChannels are returned for both chains. The channels created are connected to the OdinChain.

func (*Coordinator) SetupClients 

func (coord *Coordinator) SetupClients(path *Path)

SetupClients is a helper function to create clients on both chains. It assumes the caller does not anticipate any errors.

func (*Coordinator) SetupConnections 

func (coord *Coordinator) SetupConnections(path *Path)

SetupClientConnections is a helper function to create clients and the appropriate connections on both the source and counterparty chain. It assumes the caller does not anticipate any errors.

func (*Coordinator) UpdateTime 

func (coord *Coordinator) UpdateTime()

UpdateTime updates all clocks for the TestChains to the current global time.

func (*Coordinator) UpdateTimeForChain 

func (coord *Coordinator) UpdateTimeForChain(chain *TestChain)

UpdateTimeForChain updates the clock for a specific chain.

type Endpoint 

type Endpoint struct {
	Chain        *TestChain
	Counterparty *Endpoint
	ClientID     string
	ConnectionID string
	ChannelID    string

	ClientConfig     ClientConfig
	ConnectionConfig *ConnectionConfig
	ChannelConfig    *ChannelConfig
}

Endpoint is a which represents a channel endpoint and its associated client and connections. It contains client, connection, and channel configuration parameters. Endpoint functions will utilize the parameters set in the configuration structs when executing IBC messages.

func NewDefaultEndpoint 

func NewDefaultEndpoint(chain *TestChain) *Endpoint

NewDefaultEndpoint constructs a new endpoint using default values. CONTRACT: the counterparty endpoitn must be set by the caller.

func NewEndpoint 

func NewEndpoint(
	chain *TestChain, clientConfig ClientConfig,
	connectionConfig *ConnectionConfig, channelConfig *ChannelConfig,
) *Endpoint

NewEndpoint constructs a new endpoint without the counterparty. CONTRACT: the counterparty endpoint must be set by the caller.

func (*Endpoint) AcknowledgePacket 

func (endpoint *Endpoint) AcknowledgePacket(packet channeltypes.Packet, ack []byte) error

AcknowledgePacket sends a MsgAcknowledgement to the channel associated with the endpoint.

func (*Endpoint) ChanCloseInit 

func (endpoint *Endpoint) ChanCloseInit() error

ChanCloseInit will construct and execute a MsgChannelCloseInit on the associated endpoint.

NOTE: does not work with ibc-transfer/oracle module

func (*Endpoint) ChanOpenAck 

func (endpoint *Endpoint) ChanOpenAck() error

ChanOpenAck will construct and execute a MsgChannelOpenAck on the associated endpoint.

func (*Endpoint) ChanOpenConfirm 

func (endpoint *Endpoint) ChanOpenConfirm() error

ChanOpenConfirm will construct and execute a MsgChannelOpenConfirm on the associated endpoint.

func (*Endpoint) ChanOpenInit 

func (endpoint *Endpoint) ChanOpenInit() error

ChanOpenInit will construct and execute a MsgChannelOpenInit on the associated endpoint.

func (*Endpoint) ChanOpenTry 

func (endpoint *Endpoint) ChanOpenTry() error

ChanOpenTry will construct and execute a MsgChannelOpenTry on the associated endpoint.

func (*Endpoint) ChanUpgradeAck added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeAck() error

ChanUpgradeAck sends a MsgChannelUpgradeAck to the associated endpoint.

func (*Endpoint) ChanUpgradeCancel added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeCancel() error

ChanUpgradeCancel sends a MsgChannelUpgradeCancel to the associated endpoint.

func (*Endpoint) ChanUpgradeConfirm added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeConfirm() error

ChanUpgradeConfirm sends a MsgChannelUpgradeConfirm to the associated endpoint.

func (*Endpoint) ChanUpgradeInit added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeInit() error

ChanUpgradeInit sends a MsgChannelUpgradeInit on the associated endpoint. A default upgrade proposal is used with overrides from the ProposedUpgrade in the channel config, and submitted via governance proposal

func (*Endpoint) ChanUpgradeOpen added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeOpen() error

ChanUpgradeOpen sends a MsgChannelUpgradeOpen to the associated endpoint.

func (*Endpoint) ChanUpgradeTimeout added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeTimeout() error

ChanUpgradeTimeout sends a MsgChannelUpgradeTimeout to the associated endpoint.

func (*Endpoint) ChanUpgradeTry added in v0.8.0 

func (endpoint *Endpoint) ChanUpgradeTry() error

ChanUpgradeTry sends a MsgChannelUpgradeTry on the associated endpoint.

func (*Endpoint) ConnOpenAck 

func (endpoint *Endpoint) ConnOpenAck() error

ConnOpenAck will construct and execute a MsgConnectionOpenAck on the associated endpoint.

func (*Endpoint) ConnOpenConfirm 

func (endpoint *Endpoint) ConnOpenConfirm() error

ConnOpenConfirm will construct and execute a MsgConnectionOpenConfirm on the associated endpoint.

func (*Endpoint) ConnOpenInit 

func (endpoint *Endpoint) ConnOpenInit() error

ConnOpenInit will construct and execute a MsgConnectionOpenInit on the associated endpoint.

func (*Endpoint) ConnOpenTry 

func (endpoint *Endpoint) ConnOpenTry() error

ConnOpenTry will construct and execute a MsgConnectionOpenTry on the associated endpoint.

func (*Endpoint) CreateClient 

func (endpoint *Endpoint) CreateClient() (err error)

CreateClient creates an IBC client on the endpoint. It will update the clientID for the endpoint if the message is successfully executed. NOTE: a solo machine client will be created with an empty diversifier.

func (*Endpoint) GetChannel 

func (endpoint *Endpoint) GetChannel() channeltypes.Channel

GetChannel retrieves an IBC Channel for the endpoint. The channel is expected to exist otherwise testing will fail.

func (*Endpoint) GetChannelUpgrade added in v0.8.0 

func (endpoint *Endpoint) GetChannelUpgrade() channeltypes.Upgrade

GetChannelUpgrade retrieves an IBC Channel Upgrade for the endpoint. The upgrade is expected to exist otherwise testing will fail.

func (*Endpoint) GetClientState 

func (endpoint *Endpoint) GetClientState() exported.ClientState

GetClientState retrieves the Client State for this endpoint. The client state is expected to exist otherwise testing will fail.

func (*Endpoint) GetConnection 

func (endpoint *Endpoint) GetConnection() connectiontypes.ConnectionEnd

GetConnection retrieves an IBC Connection for the endpoint. The connection is expected to exist otherwise testing will fail.

func (*Endpoint) GetConsensusState 

func (endpoint *Endpoint) GetConsensusState(height exported.Height) exported.ConsensusState

GetConsensusState retrieves the Consensus State for this endpoint at the provided height. The consensus state is expected to exist otherwise testing will fail.

func (*Endpoint) GetProposedUpgrade added in v0.8.0 

func (endpoint *Endpoint) GetProposedUpgrade() channeltypes.Upgrade

GetProposedUpgrade returns a valid upgrade which can be used for UpgradeInit and UpgradeTry. By default, the endpoint's existing channel fields will be used for the upgrade fields and a sane default timeout will be used by querying the counterparty's latest height. If any non-empty values are specified in the ChannelConfig's ProposedUpgrade, those values will be used in the returned upgrade.

func (*Endpoint) QueryChannelUpgradeProof added in v0.8.0 

func (endpoint *Endpoint) QueryChannelUpgradeProof() ([]byte, []byte, clienttypes.Height)

QueryChannelUpgradeProof returns all the proofs necessary to execute UpgradeTry/UpgradeAck/UpgradeOpen. It returns the proof for the channel on the endpoint's chain, the proof for the upgrade attempt on the endpoint's chain, and the height at which the proof was queried.

func (*Endpoint) QueryClientStateProof 

func (endpoint *Endpoint) QueryClientStateProof() (exported.ClientState, []byte)

QueryClientStateProof performs and abci query for a client stat associated with this endpoint and returns the ClientState along with the proof.

func (*Endpoint) QueryConnectionHandshakeProof 

func (endpoint *Endpoint) QueryConnectionHandshakeProof() (
	clientState exported.ClientState, clientProof,
	consensusProof []byte, consensusHeight clienttypes.Height,
	connectioProof []byte, proofHeight clienttypes.Height,
)

QueryConnectionHandshakeProof returns all the proofs necessary to execute OpenTry or Open Ack of the connection handshakes. It returns the counterparty client state, proof of the counterparty client state, proof of the counterparty consensus state, the consensus state height, proof of the counterparty connection, and the proof height for all the proofs returned.

func (*Endpoint) QueryProof 

func (endpoint *Endpoint) QueryProof(key []byte) ([]byte, clienttypes.Height)

QueryProof queries proof associated with this endpoint using the lastest client state height on the counterparty chain.

func (*Endpoint) QueryProofAtHeight 

func (endpoint *Endpoint) QueryProofAtHeight(key []byte, height uint64) ([]byte, clienttypes.Height)

QueryProofAtHeight queries proof associated with this endpoint using the proof height provided

func (*Endpoint) RecvPacket 

func (endpoint *Endpoint) RecvPacket(packet channeltypes.Packet) error

RecvPacket receives a packet on the associated endpoint. The counterparty client is updated.

func (*Endpoint) RecvPacketWithResult 

func (endpoint *Endpoint) RecvPacketWithResult(packet channeltypes.Packet) (*abci.ExecTxResult, error)

RecvPacketWithResult receives a packet on the associated endpoint and the result of the transaction is returned. The counterparty client is updated.

func (*Endpoint) SendPacket 

func (endpoint *Endpoint) SendPacket(
	timeoutHeight clienttypes.Height,
	timeoutTimestamp uint64,
	data []byte,
) (uint64, error)

SendPacket sends a packet through the channel keeper using the associated endpoint The counterparty client is updated so proofs can be sent to the counterparty chain. The packet sequence generated for the packet to be sent is returned. An error is returned if one occurs.

func (*Endpoint) SetChannel 

func (endpoint *Endpoint) SetChannel(channel channeltypes.Channel)

SetChannel sets the channel for this endpoint.

func (*Endpoint) SetChannelCounterpartyUpgrade added in v0.8.0 

func (endpoint *Endpoint) SetChannelCounterpartyUpgrade(upgrade channeltypes.Upgrade)

SetChannelCounterpartyUpgrade sets the channel counterparty upgrade for this endpoint.

func (*Endpoint) SetChannelState added in v0.8.0 

func (endpoint *Endpoint) SetChannelState(state channeltypes.State) error

SetChannelState sets a channel state

func (*Endpoint) SetChannelUpgrade added in v0.8.0 

func (endpoint *Endpoint) SetChannelUpgrade(upgrade channeltypes.Upgrade)

SetChannelUpgrade sets the channel upgrade for this endpoint.

func (*Endpoint) SetClientState 

func (endpoint *Endpoint) SetClientState(clientState exported.ClientState)

SetClientState sets the client state for this endpoint.

func (*Endpoint) SetConnection 

func (endpoint *Endpoint) SetConnection(connection connectiontypes.ConnectionEnd)

SetConnection sets the connection for this endpoint.

func (*Endpoint) SetConsensusState 

func (endpoint *Endpoint) SetConsensusState(consensusState exported.ConsensusState, height exported.Height)

SetConsensusState sets the consensus state for this endpoint.

func (*Endpoint) TimeoutOnClose added in v0.8.0 

func (endpoint *Endpoint) TimeoutOnClose(packet channeltypes.Packet) error

TimeoutOnClose sends a MsgTimeoutOnClose to the channel associated with the endpoint.

func (*Endpoint) TimeoutPacket 

func (endpoint *Endpoint) TimeoutPacket(packet channeltypes.Packet) error

TimeoutPacket sends a MsgTimeout to the channel associated with the endpoint.

func (*Endpoint) UpdateClient 

func (endpoint *Endpoint) UpdateClient() (err error)

UpdateClient updates the IBC client associated with the endpoint.

func (*Endpoint) UpgradeChain added in v0.8.0 

func (endpoint *Endpoint) UpgradeChain() error

UpgradeChain will upgrade a chain's chainID to the next revision number. It will also update the counterparty client. TODO: implement actual upgrade chain functionality via scheduling an upgrade and upgrading the client via MsgUpgradeClient see reference https://github.com/cosmos/ibc-go/pull/1169

func (*Endpoint) WriteAcknowledgement 

func (endpoint *Endpoint) WriteAcknowledgement(ack exported.Acknowledgement, packet exported.PacketI) error

WriteAcknowledgement writes an acknowledgement on the channel associated with the endpoint. The counterparty client is updated.

type EventsMap 

type EventsMap map[string]map[string]string

type Path 

type Path struct {
	EndpointA *Endpoint
	EndpointB *Endpoint
}

Path contains two endpoints representing two chains connected over IBC

func NewOraclePath added in v0.8.0 

func NewOraclePath(chainA, chainB *TestChain) *Path

NewOraclePath constructs a new path between each chain suitable for use with the transfer module.

func NewPath 

func NewPath(chainA, chainB *TestChain) *Path

NewPath constructs an endpoint for each chain using the default values for the endpoints. Each endpoint is updated to have a pointer to the counterparty endpoint.

func (*Path) RelayPacket 

func (path *Path) RelayPacket(packet channeltypes.Packet) error

RelayPacket attempts to relay the packet first on EndpointA and then on EndpointB if EndpointA does not contain a packet commitment for that packet. An error is returned if a relay step fails or the packet commitment does not exist on either endpoint.

func (*Path) RelayPacketWithResults added in v0.8.0 

func (path *Path) RelayPacketWithResults(packet channeltypes.Packet) (*abci.ExecTxResult, []byte, error)

RelayPacketWithResults attempts to relay the packet first on EndpointA and then on EndpointB if EndpointA does not contain a packet commitment for that packet. The function returns: - The result of the packet receive transaction. - The acknowledgement written on the receiving chain. - An error if a relay step fails or the packet commitment does not exist on either endpoint.

func (*Path) SetChannelOrdered 

func (path *Path) SetChannelOrdered()

SetChannelOrdered sets the channel order for both endpoints to ORDERED.

type SenderAccount added in v0.8.0 

type SenderAccount struct {
	SenderPrivKey cryptotypes.PrivKey
	SenderAccount sdk.AccountI
}

type TendermintConfig 

type TendermintConfig struct {
	TrustLevel      ibctm.Fraction
	TrustingPeriod  time.Duration
	UnbondingPeriod time.Duration
	MaxClockDrift   time.Duration
}

func NewTendermintConfig 

func NewTendermintConfig() *TendermintConfig

func (*TendermintConfig) GetClientType 

func (*TendermintConfig) GetClientType() string

type TestChain 

type TestChain struct {
	T *testing.T

	Coordinator   *Coordinator
	App           *testapp.TestingApp
	ChainID       string
	LastHeader    *ibctm.Header   // header for last block height committed
	CurrentHeader cmtproto.Header // header for current block height
	QueryServer   ibctypes.QueryServer
	TxConfig      client.TxConfig
	Codec         codec.Codec

	Vals     *cmttypes.ValidatorSet
	NextVals *cmttypes.ValidatorSet
	Treasury sdk.AccAddress

	// Signers is a map from validator address to the PrivValidator
	// The map is converted into an array that is the same order as the validators right before signing commit
	// This ensures that signers will always be in correct order even as validator powers change.
	// If a test adds a new validator after chain creation, then the signer map must be updated to include
	// the new PrivValidator entry.
	Signers map[string]cmttypes.PrivValidator

	// autogenerated sender private key
	SenderPrivKey cryptotypes.PrivKey
	SenderAccount sdk.AccountI

	SenderAccounts []SenderAccount

	// Short-term solution to override the logic of the standard SendMsgs function.
	// See issue https://github.com/cosmos/ibc-go/issues/3123 for more information.
	SendMsgsOverride func(msgs ...sdk.Msg) (*abci.ExecTxResult, error)
}

TestChain is a testing struct that wraps a TestingApp with the last TM Header, the current ABCI header and the validators of the TestChain. It also contains a field called ChainID. This is the clientID that *other* chains use to refer to this TestChain. The SenderAccount is used for delivering transactions through the application state. NOTE: the actual application uses an empty chain-id for ease of testing.

func NewTestChain 

func NewTestChain(t *testing.T, coord *Coordinator, chainID string) *TestChain

NewTestChain initializes a new test chain with a default of 4 validators Use this function if the tests do not need custom control over the validator set

func NewTestChainWithValSet added in v0.8.0 

func NewTestChainWithValSet(t *testing.T, coord *Coordinator, chainID string, valSet *cmttypes.ValidatorSet, signers map[string]cmttypes.PrivValidator) *TestChain

NewTestChainWithValSet initializes a new TestChain instance with the given validator set and signer array. It also initializes 10 Sender accounts with a balance of 10000000000000000000 coins of bond denom to use for tests.

The first block height is committed to state in order to allow for client creations on counterparty chains. The TestChain will return with a block height starting at 2.

Time management is handled by the Coordinator in order to ensure synchrony between chains. Each update of any chain increments the block header time for all chains by 5 seconds.

NOTE: to use a custom sender privkey and account for testing purposes, replace and modify this constructor function.

CONTRACT: Validator array must be provided in the order expected by Tendermint. i.e. sorted first by power and then lexicographically by address.

func (*TestChain) ConstructUpdateTMClientHeader 

func (chain *TestChain) ConstructUpdateTMClientHeader(
	counterparty *TestChain,
	clientID string,
) (*ibctm.Header, error)

ConstructUpdateTMClientHeader will construct a valid 07-tendermint Header to update the light client on the source chain.

func (*TestChain) ConstructUpdateTMClientHeaderWithTrustedHeight 

func (chain *TestChain) ConstructUpdateTMClientHeaderWithTrustedHeight(
	counterparty *TestChain,
	clientID string,
	trustedHeight clienttypes.Height,
) (*ibctm.Header, error)

ConstructUpdateTMClientHeaderWithTrustedHeight will construct a valid 07-tendermint Header to update the light client on the source chain.

func (*TestChain) CreateChannelCapability 

func (chain *TestChain) CreateChannelCapability(scopedKeeper capabilitykeeper.ScopedKeeper, portID, channelID string)

CreateChannelCapability binds and claims a capability for the given portID and channelID if it does not already exist. This function will fail testing on any resulting error. The scoped keeper passed in will claim the new capability.

func (*TestChain) CreatePortCapability 

func (chain *TestChain) CreatePortCapability(scopedKeeper capabilitykeeper.ScopedKeeper, portID string)

CreatePortCapability binds and claims a capability for the given portID if it does not already exist. This function will fail testing on any resulting error. NOTE: only creation of a capability for a oracle or mock port is supported Other applications must bind to the port in InitGenesis or modify this code.

func (*TestChain) CreateTMClientHeader 

func (chain *TestChain) CreateTMClientHeader(
	chainID string,
	blockHeight int64,
	trustedHeight clienttypes.Height,
	timestamp time.Time,
	cmtValSet, nextVals, tmTrustedVals *cmttypes.ValidatorSet,
	signers map[string]cmttypes.PrivValidator,
) *ibctm.Header

CreateTMClientHeader creates a TM header to update the TM client. Args are passed in to allow caller flexibility to use params that differ from the chain.

func (*TestChain) CurrentTMClientHeader 

func (chain *TestChain) CurrentTMClientHeader() *ibctm.Header

CurrentTMClientHeader creates a TM header using the current header parameters on the chain. The trusted fields in the header are set to nil.

func (*TestChain) DeleteKey added in v0.8.0 

func (chain *TestChain) DeleteKey(key []byte)

DeleteKey deletes the specified key from the ibc store.

func (*TestChain) ExpireClient 

func (chain *TestChain) ExpireClient(amount time.Duration)

ExpireClient fast forwards the chain's block time by the provided amount of time which will expire any clients with a trusting period less than or equal to this amount of time.

func (*TestChain) GetAcknowledgement 

func (chain *TestChain) GetAcknowledgement(packet exported.PacketI) []byte

GetAcknowledgement retrieves an acknowledgement for the provided packet. If the acknowledgement does not exist then testing will fail.

func (*TestChain) GetChannelCapability 

func (chain *TestChain) GetChannelCapability(portID, channelID string) *capabilitytypes.Capability

GetChannelCapability returns the channel capability for the given portID and channelID. The capability must exist, otherwise testing will fail.

func (*TestChain) GetClientState 

func (chain *TestChain) GetClientState(clientID string) exported.ClientState

GetClientState retrieves the client state for the provided clientID. The client is expected to exist otherwise testing will fail.

func (*TestChain) GetConsensusState 

func (chain *TestChain) GetConsensusState(
	clientID string,
	height exported.Height,
) (exported.ConsensusState, bool)

GetConsensusState retrieves the consensus state for the provided clientID and height. It will return a success boolean depending on if consensus state exists or not.

func (*TestChain) GetContext 

func (chain *TestChain) GetContext() sdk.Context

GetContext returns the current context for the application.

func (*TestChain) GetPortCapability 

func (chain *TestChain) GetPortCapability(portID string) *capabilitytypes.Capability

GetPortCapability returns the port capability for the given portID. The capability must exist, otherwise testing will fail.

func (*TestChain) GetPrefix 

func (chain *TestChain) GetPrefix() commitmenttypes.MerklePrefix

GetPrefix returns the prefix for used by a chain in connection creation

func (*TestChain) GetTimeoutHeight added in v0.8.0 

func (chain *TestChain) GetTimeoutHeight() clienttypes.Height

GetTimeoutHeight is a convenience function which returns a IBC packet timeout height to be used for testing. It returns the current IBC height + 100 blocks

func (*TestChain) GetValsAtHeight 

func (chain *TestChain) GetValsAtHeight(trustedHeight int64) (*cmttypes.ValidatorSet, bool)

GetValsAtHeight will return the trusted validator set of the chain for the given trusted height. It will return a success boolean depending on if the validator set exists or not at that height.

func (*TestChain) NextBlock 

func (chain *TestChain) NextBlock()

NextBlock sets the last header to the current header and increments the current header to be at the next block height. It does not update the time as that is handled by the Coordinator. It will call FinalizeBlock and Commit and apply the validator set changes to the next validators of the next block being created. This follows the Tendermint protocol of applying valset changes returned on block `n` to the validators of block `n+2`. It calls BeginBlock with the new block created before returning.

func (*TestChain) QueryConsensusStateProof 

func (chain *TestChain) QueryConsensusStateProof(clientID string) ([]byte, clienttypes.Height)

QueryConsensusStateProof performs an abci query for a consensus state stored on the given clientID. The proof and consensusHeight are returned.

func (*TestChain) QueryProof 

func (chain *TestChain) QueryProof(key []byte) ([]byte, clienttypes.Height)

QueryProof performs an abci query with the given key and returns the proto encoded merkle proof for the query and the height at which the proof will succeed on a tendermint verifier.

func (*TestChain) QueryProofAtHeight 

func (chain *TestChain) QueryProofAtHeight(key []byte, height int64) ([]byte, clienttypes.Height)

QueryProofAtHeight performs an abci query with the given key and returns the proto encoded merkle proof for the query and the height at which the proof will succeed on a tendermint verifier. Only the IBC store is supported

func (*TestChain) QueryProofForStore added in v0.8.0 

func (chain *TestChain) QueryProofForStore(storeKey string, key []byte, height int64) ([]byte, clienttypes.Height)

QueryProofForStore performs an abci query with the given key and returns the proto encoded merkle proof for the query and the height at which the proof will succeed on a tendermint verifier.

func (*TestChain) QueryUpgradeProof 

func (chain *TestChain) QueryUpgradeProof(key []byte, height uint64) ([]byte, clienttypes.Height)

QueryUpgradeProof performs an abci query with the given key and returns the proto encoded merkle proof for the query and the height at which the proof will succeed on a tendermint verifier.

func (*TestChain) SendMsgs 

func (chain *TestChain) SendMsgs(sender *cryptotypes.PrivKey, msgs ...sdk.Msg) (*abci.ExecTxResult, error)

SendMsgs delivers a transaction through the application. It updates the senders sequence number and updates the TestChain's headers. It returns the result and error if one occurred.

func (*TestChain) SendReport 

func (chain *TestChain) SendReport(
	rid types.RequestID,
	rawReps []types.RawReport,
	sender sdk.ValAddress,
) (*abci.ExecTxResult, error)

SendReport delivers a transaction through the application. It updates the senders sequence number and updates the TestChain's headers. It returns the result and error if one occurred.

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