keeper

package
v8.3.0 Latest Latest
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 Go to latest Published: May 16, 2024 License: MIT Imports: 22 Imported by: 9

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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.BinaryCodec, key storetypes.StoreKey, legacySubspace types.ParamSubspace, ck types.ClientKeeper) Keeper

NewKeeper creates a new IBC connection Keeper instance

func (Keeper) ClientConnections 

func (k Keeper) ClientConnections(c context.Context, req *types.QueryClientConnectionsRequest) (*types.QueryClientConnectionsResponse, error)

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,
	tryProof []byte,
	clientProof []byte,
	consensusProof []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,
	ackProof []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,
	counterparty types.Counterparty,
	delayPeriod uint64,
	clientID string,
	clientState exported.ClientState,
	counterpartyVersions []*types.Version,
	initProof []byte,
	clientProof []byte,
	consensusProof []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 

func (k Keeper) Connection(c context.Context, req *types.QueryConnectionRequest) (*types.QueryConnectionResponse, error)

Connection implements the Query/Connection gRPC method

func (Keeper) ConnectionClientState 

func (k Keeper) ConnectionClientState(c context.Context, req *types.QueryConnectionClientStateRequest) (*types.QueryConnectionClientStateResponse, error)

ConnectionClientState implements the Query/ConnectionClientState gRPC method

func (Keeper) ConnectionConsensusState 

func (k Keeper) ConnectionConsensusState(c context.Context, req *types.QueryConnectionConsensusStateRequest) (*types.QueryConnectionConsensusStateResponse, error)

ConnectionConsensusState implements the Query/ConnectionConsensusState gRPC method

func (Keeper) ConnectionParams 

func (k Keeper) ConnectionParams(c context.Context, req *types.QueryConnectionParamsRequest) (*types.QueryConnectionParamsResponse, error)

ConnectionParams implements the Query/ConnectionParams gRPC method.

func (Keeper) Connections 

func (k Keeper) Connections(c context.Context, req *types.QueryConnectionsRequest) (*types.QueryConnectionsResponse, error)

Connections implements the Query/Connections gRPC method

func (Keeper) CreateSentinelLocalhostConnection 

func (k Keeper) CreateSentinelLocalhostConnection(ctx sdk.Context)

CreateSentinelLocalhostConnection creates and sets the sentinel localhost connection end in the IBC store.

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) GetParams 

func (k Keeper) GetParams(ctx sdk.Context) types.Params

GetParams returns the total set of ibc-connection parameters.

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) HasConnection 

func (k Keeper) HasConnection(ctx sdk.Context, connectionID string) bool

HasConnection returns a true if the connection with the given identifier exists in the store.

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 (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) SetConsensusHost added in v8.3.0 

func (k *Keeper) SetConsensusHost(consensusHost clienttypes.ConsensusHost)

SetConsensusHost sets a custom ConsensusHost for self client state and consensus state validation.

func (Keeper) SetNextConnectionSequence 

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

SetNextConnectionSequence sets the next connection sequence to the store.

func (Keeper) SetParams 

func (k Keeper) SetParams(ctx sdk.Context, params types.Params)

SetParams sets the total set of ibc-connection parameters.

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) VerifyChannelUpgrade added in v8.1.0 

func (k Keeper) VerifyChannelUpgrade(
	ctx sdk.Context,
	connection exported.ConnectionI,
	proofHeight exported.Height,
	upgradeProof []byte,
	portID,
	channelID string,
	upgrade channeltypes.Upgrade,
) error

VerifyChannelUpgrade verifies the proof that a particular proposed upgrade has been stored in the upgrade path.

func (Keeper) VerifyChannelUpgradeError added in v8.1.0 

func (k Keeper) VerifyChannelUpgradeError(
	ctx sdk.Context,
	connection exported.ConnectionI,
	height exported.Height,
	proof []byte,
	portID,
	channelID string,
	errorReceipt channeltypes.ErrorReceipt,
) error

VerifyChannelUpgradeError verifies a proof of the provided upgrade error receipt.

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,
	counterpartyConnection 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.

type Migrator 

type Migrator struct {
	// contains filtered or unexported fields
}

Migrator is a struct for handling in-place store migrations.

func NewMigrator 

func NewMigrator(keeper Keeper) Migrator

NewMigrator returns a new Migrator.

func (Migrator) Migrate3to4 

func (m Migrator) Migrate3to4(ctx sdk.Context) error

Migrate3to4 migrates from version 3 to 4. This migration writes the sentinel localhost connection end to state.

func (Migrator) MigrateParams 

func (m Migrator) MigrateParams(ctx sdk.Context) error

MigrateParams migrates from consensus version 4 to 5. This migration takes the parameters that are currently stored and managed by x/params and stores them directly in the ibc module's state.

Source Files

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