keeper

package
Version: v0.0.0-...-fbaf713 Latest Latest
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Published: Apr 16, 2021 License: Apache-2.0 Imports: 17 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Keeper

type Keeper struct {
	// implements gRPC QueryServer interface
	types.QueryServer
	// contains filtered or unexported fields
}

Keeper defines the IBC connection keeper

func NewKeeper

func NewKeeper(cdc codec.BinaryMarshaler, key sdk.StoreKey, ck types.ClientKeeper) Keeper

NewKeeper creates a new IBC connection Keeper instance

func (Keeper) ClientConnections

ClientConnections implements the Query/ClientConnections gRPC method

func (Keeper) ConnOpenAck

func (k Keeper) ConnOpenAck(
	ctx sdk.Context,
	connectionID string,
	clientState exported.ClientState,
	version *types.Version,
	counterpartyConnectionID string,
	proofTry []byte,
	proofClient []byte,
	proofConsensus []byte,
	proofHeight exported.Height,
	consensusHeight exported.Height,
) error

ConnOpenAck relays acceptance of a connection open attempt from chain B back to chain A (this code is executed on chain A).

NOTE: Identifiers are checked on msg validation.

func (Keeper) ConnOpenConfirm

func (k Keeper) ConnOpenConfirm(
	ctx sdk.Context,
	connectionID string,
	proofAck []byte,
	proofHeight exported.Height,
) error

ConnOpenConfirm confirms opening of a connection on chain A to chain B, after which the connection is open on both chains (this code is executed on chain B).

NOTE: Identifiers are checked on msg validation.

func (Keeper) ConnOpenInit

func (k Keeper) ConnOpenInit(
	ctx sdk.Context,
	clientID string,
	counterparty types.Counterparty,
	version *types.Version,
	delayPeriod uint64,
) (string, error)

ConnOpenInit initialises a connection attempt on chain A. The generated connection identifier is returned.

NOTE: Msg validation verifies the supplied identifiers and ensures that the counterparty connection identifier is empty.

func (Keeper) ConnOpenTry

func (k Keeper) ConnOpenTry(
	ctx sdk.Context,
	previousConnectionID string,
	counterparty types.Counterparty,
	delayPeriod uint64,
	clientID string,
	clientState exported.ClientState,
	counterpartyVersions []exported.Version,
	proofInit []byte,
	proofClient []byte,
	proofConsensus []byte,
	proofHeight exported.Height,
	consensusHeight exported.Height,
) (string, error)

ConnOpenTry relays notice of a connection attempt on chain A to chain B (this code is executed on chain B).

NOTE:

- Here chain A acts as the counterparty
- Identifiers are checked on msg validation

func (Keeper) Connection

Connection implements the Query/Connection gRPC method

func (Keeper) ConnectionClientState

ConnectionClientState implements the Query/ConnectionClientState gRPC method

func (Keeper) ConnectionConsensusState

ConnectionConsensusState implements the Query/ConnectionConsensusState gRPC method

func (Keeper) Connections

Connections implements the Query/Connections gRPC method

func (Keeper) GenerateConnectionIdentifier

func (k Keeper) GenerateConnectionIdentifier(ctx sdk.Context) string

GenerateConnectionIdentifier returns the next connection identifier.

func (Keeper) GetAllClientConnectionPaths

func (k Keeper) GetAllClientConnectionPaths(ctx sdk.Context) []types.ConnectionPaths

GetAllClientConnectionPaths returns all stored clients connection id paths. It will ignore the clients that haven't initialized a connection handshake since no paths are stored.

func (Keeper) GetAllConnections

func (k Keeper) GetAllConnections(ctx sdk.Context) (connections []types.IdentifiedConnection)

GetAllConnections returns all stored ConnectionEnd objects.

func (Keeper) GetClientConnectionPaths

func (k Keeper) GetClientConnectionPaths(ctx sdk.Context, clientID string) ([]string, bool)

GetClientConnectionPaths returns all the connection paths stored under a particular client

func (Keeper) GetCommitmentPrefix

func (k Keeper) GetCommitmentPrefix() exported.Prefix

GetCommitmentPrefix returns the IBC connection store prefix as a commitment Prefix

func (Keeper) GetConnection

func (k Keeper) GetConnection(ctx sdk.Context, connectionID string) (types.ConnectionEnd, bool)

GetConnection returns a connection with a particular identifier

func (Keeper) GetNextConnectionSequence

func (k Keeper) GetNextConnectionSequence(ctx sdk.Context) uint64

GetNextConnectionSequence gets the next connection sequence from the store.

func (Keeper) GetTimestampAtHeight

func (k Keeper) GetTimestampAtHeight(ctx sdk.Context, connection types.ConnectionEnd, height exported.Height) (uint64, error)

GetTimestampAtHeight returns the timestamp in nanoseconds of the consensus state at the given height.

func (Keeper) IterateConnections

func (k Keeper) IterateConnections(ctx sdk.Context, cb func(types.IdentifiedConnection) bool)

IterateConnections provides an iterator over all ConnectionEnd objects. For each ConnectionEnd, cb will be called. If the cb returns true, the iterator will close and stop.

func (Keeper) Logger

func (k Keeper) Logger(ctx sdk.Context) log.Logger

Logger returns a module-specific logger.

func (Keeper) SetClientConnectionPaths

func (k Keeper) SetClientConnectionPaths(ctx sdk.Context, clientID string, paths []string)

SetClientConnectionPaths sets the connections paths for client

func (Keeper) SetConnection

func (k Keeper) SetConnection(ctx sdk.Context, connectionID string, connection types.ConnectionEnd)

SetConnection sets a connection to the store

func (Keeper) SetNextConnectionSequence

func (k Keeper) SetNextConnectionSequence(ctx sdk.Context, sequence uint64)

SetNextConnectionSequence sets the next connection sequence to the store.

func (Keeper) VerifyChannelState

func (k Keeper) VerifyChannelState(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	channel exported.ChannelI,
) error

VerifyChannelState verifies a proof of the channel state of the specified channel end, under the specified port, stored on the target machine.

func (Keeper) VerifyClientConsensusState

func (k Keeper) VerifyClientConsensusState(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	consensusHeight exported.Height,
	proof []byte,
	consensusState exported.ConsensusState,
) error

VerifyClientConsensusState verifies a proof of the consensus state of the specified client stored on the target machine.

func (Keeper) VerifyClientState

func (k Keeper) VerifyClientState(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	clientState exported.ClientState,
) error

VerifyClientState verifies a proof of a client state of the running machine stored on the target machine

func (Keeper) VerifyConnectionState

func (k Keeper) VerifyConnectionState(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	connectionID string,
	connectionEnd exported.ConnectionI,
) error

VerifyConnectionState verifies a proof of the connection state of the specified connection end stored on the target machine.

func (Keeper) VerifyNextSequenceRecv

func (k Keeper) VerifyNextSequenceRecv(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	nextSequenceRecv uint64,
) error

VerifyNextSequenceRecv verifies a proof of the next sequence number to be received of the specified channel at the specified port.

func (Keeper) VerifyPacketAcknowledgement

func (k Keeper) VerifyPacketAcknowledgement(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	sequence uint64,
	acknowledgement []byte,
) error

VerifyPacketAcknowledgement verifies a proof of an incoming packet acknowledgement at the specified port, specified channel, and specified sequence.

func (Keeper) VerifyPacketCommitment

func (k Keeper) VerifyPacketCommitment(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	sequence uint64,
	commitmentBytes []byte,
) error

VerifyPacketCommitment verifies a proof of an outgoing packet commitment at the specified port, specified channel, and specified sequence.

func (Keeper) VerifyPacketReceiptAbsence

func (k Keeper) VerifyPacketReceiptAbsence(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	sequence uint64,
) error

VerifyPacketReceiptAbsence verifies a proof of the absence of an incoming packet receipt at the specified port, specified channel, and specified sequence.

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