keeper

package
v9.0.0 Latest Latest
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 Go to latest Published: Jul 11, 2024 License: MIT Imports: 25 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func EmitUpgradeChainEvent 

func EmitUpgradeChainEvent(ctx sdk.Context, height int64)

EmitUpgradeChainEvent emits an upgrade chain event.

func NewQueryServer 

func NewQueryServer(k *Keeper) types.QueryServer

NewQueryServer returns a new 02-client types.QueryServer implementation.

Types

type Keeper 

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

Keeper represents a type that grants read and write permissions to any client state information

func NewKeeper 

func NewKeeper(cdc codec.BinaryCodec, key storetypes.StoreKey, legacySubspace types.ParamSubspace, consensusHost types.ConsensusHost, uk types.UpgradeKeeper) *Keeper

NewKeeper creates a new NewKeeper instance

func (*Keeper) ClientStore 

func (k *Keeper) ClientStore(ctx sdk.Context, clientID string) storetypes.KVStore

ClientStore returns isolated prefix store for each client so they can read/write in separate namespace without being able to read/write other client's data

func (*Keeper) Codec 

func (k *Keeper) Codec() codec.BinaryCodec

Codec returns the IBC Client module codec.

func (*Keeper) CreateClient 

func (k *Keeper) CreateClient(ctx sdk.Context, clientType string, clientState, consensusState []byte) (string, error)

CreateClient generates a new client identifier and invokes the associated light client module in order to initialize a new client. An isolated prefixed store will be reserved for this client using the generated client identifier. The light client module is responsible for setting any client-specific data in the store via the Initialize method. This includes the client state, initial consensus state and any associated metadata. The generated client identifier will be returned if a client was successfully initialized.

func (*Keeper) GenerateClientIdentifier 

func (k *Keeper) GenerateClientIdentifier(ctx sdk.Context, clientType string) string

GenerateClientIdentifier returns the next client identifier.

func (*Keeper) GetAllClientMetadata 

func (k *Keeper) GetAllClientMetadata(ctx sdk.Context, genClients []types.IdentifiedClientState) ([]types.IdentifiedGenesisMetadata, error)

GetAllClientMetadata will take a list of IdentifiedClientState and return a list of IdentifiedGenesisMetadata necessary for exporting and importing client metadata into the client store.

func (*Keeper) GetAllClients 

func (k *Keeper) GetAllClients(ctx sdk.Context) []exported.ClientState

GetAllClients returns all stored light client State objects.

func (*Keeper) GetAllConsensusStates 

func (k *Keeper) GetAllConsensusStates(ctx sdk.Context) types.ClientsConsensusStates

GetAllConsensusStates returns all stored client consensus states.

func (*Keeper) GetAllGenesisClients 

func (k *Keeper) GetAllGenesisClients(ctx sdk.Context) types.IdentifiedClientStates

GetAllGenesisClients returns all the clients in state with their client ids returned as IdentifiedClientState

func (*Keeper) GetClientConsensusState 

func (k *Keeper) GetClientConsensusState(ctx sdk.Context, clientID string, height exported.Height) (exported.ConsensusState, bool)

GetClientConsensusState gets the stored consensus state from a client at a given height.

func (*Keeper) GetClientLatestHeight 

func (k *Keeper) GetClientLatestHeight(ctx sdk.Context, clientID string) types.Height

GetClientLatestHeight returns the latest height of a client state for a given client identifier. If the client type is not in the allowed clients param field, a zero value height is returned, otherwise the client state latest height is returned.

func (*Keeper) GetClientState 

func (k *Keeper) GetClientState(ctx sdk.Context, clientID string) (exported.ClientState, bool)

GetClientState gets a particular client from the store

func (*Keeper) GetClientStatus 

func (k *Keeper) GetClientStatus(ctx sdk.Context, clientID string) exported.Status

GetClientStatus returns the status for a client state given a client identifier. If the client type is not in the allowed clients param field, Unauthorized is returned, otherwise the client state status is returned.

func (*Keeper) GetClientTimestampAtHeight 

func (k *Keeper) GetClientTimestampAtHeight(ctx sdk.Context, clientID string, height exported.Height) (uint64, error)

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

func (*Keeper) GetLatestClientConsensusState 

func (k *Keeper) GetLatestClientConsensusState(ctx sdk.Context, clientID string) (exported.ConsensusState, bool)

GetLatestClientConsensusState gets the latest ConsensusState stored for a given client

func (*Keeper) GetNextClientSequence 

func (k *Keeper) GetNextClientSequence(ctx sdk.Context) uint64

GetNextClientSequence gets the next client sequence from the store.

func (*Keeper) GetParams 

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

GetParams returns the total set of ibc-client parameters.

func (*Keeper) GetRouter 

func (k *Keeper) GetRouter() *types.Router

GetRouter returns the light client module router.

func (*Keeper) GetSelfConsensusState 

func (k *Keeper) GetSelfConsensusState(ctx sdk.Context, height exported.Height) (exported.ConsensusState, error)

GetSelfConsensusState introspects the (self) past historical info at a given height and returns the expected consensus state at that height. For now, can only retrieve self consensus states for the current revision

func (*Keeper) GetUpgradePlan 

func (k *Keeper) GetUpgradePlan(ctx sdk.Context) (upgradetypes.Plan, error)

GetUpgradePlan executes the upgrade keeper GetUpgradePlan function.

func (*Keeper) GetUpgradedClient 

func (k *Keeper) GetUpgradedClient(ctx sdk.Context, planHeight int64) ([]byte, error)

GetUpgradedClient executes the upgrade keeper GetUpgradeClient function.

func (*Keeper) GetUpgradedConsensusState 

func (k *Keeper) GetUpgradedConsensusState(ctx sdk.Context, planHeight int64) ([]byte, error)

GetUpgradedConsensusState returns the upgraded consensus state

func (*Keeper) HasClientConsensusState 

func (k *Keeper) HasClientConsensusState(ctx sdk.Context, clientID string, height exported.Height) bool

HasClientConsensusState returns if keeper has a ConsensusState for a particular client at the given height

func (*Keeper) IterateClientStates 

func (k *Keeper) IterateClientStates(ctx sdk.Context, storePrefix []byte, cb func(clientID string, cs exported.ClientState) bool)

IterateClientStates provides an iterator over all stored ibc ClientState objects using the provided store prefix. For each ClientState object, cb will be called. If the cb returns true, the iterator will close and stop.

func (*Keeper) IterateConsensusStates 

func (k *Keeper) IterateConsensusStates(ctx sdk.Context, cb func(clientID string, cs types.ConsensusStateWithHeight) bool)

IterateConsensusStates provides an iterator over all stored consensus states. objects. For each State object, 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) RecoverClient 

func (k *Keeper) RecoverClient(ctx sdk.Context, subjectClientID, substituteClientID string) error

RecoverClient will invoke the light client module associated with the subject clientID requesting it to recover the subject client given a substitute client identifier. The light client implementation is responsible for validating the parameters of the substitute (ensuring they match the subject's parameters) as well as copying the necessary consensus states from the substitute to the subject client store. The substitute must be Active and the subject must not be Active.

func (*Keeper) Route 

func (k *Keeper) Route(clientID string) (exported.LightClientModule, bool)

Route returns the light client module for the given client identifier.

func (*Keeper) ScheduleIBCSoftwareUpgrade 

func (k *Keeper) ScheduleIBCSoftwareUpgrade(ctx sdk.Context, plan upgradetypes.Plan, upgradedClientState exported.ClientState) error

ScheduleIBCSoftwareUpgrade schedules an upgrade for the IBC client.

func (*Keeper) SetAllClientMetadata 

func (k *Keeper) SetAllClientMetadata(ctx sdk.Context, genMetadata []types.IdentifiedGenesisMetadata)

SetAllClientMetadata takes a list of IdentifiedGenesisMetadata and stores all of the metadata in the client store at the appropriate paths.

func (*Keeper) SetClientConsensusState 

func (k *Keeper) SetClientConsensusState(ctx sdk.Context, clientID string, height exported.Height, consensusState exported.ConsensusState)

SetClientConsensusState sets a ConsensusState to a particular client at the given height

func (*Keeper) SetClientState 

func (k *Keeper) SetClientState(ctx sdk.Context, clientID string, clientState exported.ClientState)

SetClientState sets a particular Client to the store

func (*Keeper) SetConsensusHost 

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

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

func (*Keeper) SetNextClientSequence 

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

SetNextClientSequence sets the next client sequence to the store.

func (*Keeper) SetParams 

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

SetParams sets the total set of ibc-client parameters.

func (*Keeper) SetUpgradedConsensusState 

func (k *Keeper) SetUpgradedConsensusState(ctx sdk.Context, planHeight int64, bz []byte) error

SetUpgradedConsensusState executes the upgrade keeper SetUpgradedConsensusState function.

func (*Keeper) UpdateClient 

func (k *Keeper) UpdateClient(ctx sdk.Context, clientID string, clientMsg exported.ClientMessage) error

UpdateClient updates the consensus state and the state root from a provided header.

func (*Keeper) UpdateLocalhostClient 

func (k *Keeper) UpdateLocalhostClient(ctx sdk.Context, clientState exported.ClientState) []exported.Height

UpdateLocalhostClient updates the 09-localhost client to the latest block height and chain ID.

func (*Keeper) UpgradeClient 

func (k *Keeper) UpgradeClient(
	ctx sdk.Context,
	clientID string,
	upgradedClient, upgradedConsState, upgradeClientProof, upgradeConsensusStateProof []byte,
) error

UpgradeClient upgrades the client to a new client state if this new client was committed to by the old client at the specified upgrade height

func (*Keeper) ValidateSelfClient 

func (k *Keeper) ValidateSelfClient(ctx sdk.Context, clientState exported.ClientState) error

ValidateSelfClient validates the client parameters for a client of the running chain. This function is only used to validate the client state the counterparty stores for this chain. NOTE: If the client type is not of type Tendermint then delegate to a custom client validator function. This allows support for non-Tendermint clients, for example 08-wasm clients.

func (*Keeper) VerifyMembershipProof 

func (k *Keeper) VerifyMembershipProof(ctx sdk.Context, clientID string, height exported.Height, delayTimePeriod uint64, delayBlockPeriod uint64, proof []byte, path exported.Path, value []byte) error

VerifyMembershipProof retrieves the light client module for the clientID and verifies the proof of the existence of a key-value pair at a specified height.

func (*Keeper) VerifyNonMembership 

func (k *Keeper) VerifyNonMembership(ctx sdk.Context, clientID string, height exported.Height, delayTimePeriod uint64, delayBlockPeriod uint64, proof []byte, path exported.Path) error

VerifyNonMembership retrieves the light client module for the clientID and verifies the absence of a given key at a specified height.

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) Migrate2to3 

func (m Migrator) Migrate2to3(ctx sdk.Context) error

Migrate2to3 migrates from consensus version 2 to 3. This migration - migrates solo machine client states from v2 to v3 protobuf definition - prunes solo machine consensus states - removes the localhost client - asserts that existing tendermint clients are properly registered on the chain codec

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.

func (Migrator) MigrateToStatelessLocalhost 

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

MigrateToStatelessLocalhost deletes the localhost client state. The localhost implementation is now stateless.

Source Files

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