keeper

package
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 Go to latest Published: Mar 15, 2022 License: MIT Imports: 26 Imported by: 6

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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 {
	// 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 sdk.StoreKey, paramSpace paramtypes.Subspace, sk types.StakingKeeper, uk types.UpgradeKeeper) Keeper

NewKeeper creates a new NewKeeper instance

func (Keeper) CheckMisbehaviourAndUpdateState 

func (k Keeper) CheckMisbehaviourAndUpdateState(ctx sdk.Context, misbehaviour exported.Misbehaviour) error

CheckMisbehaviourAndUpdateState checks for client misbehaviour and freezes the client if so.

func (Keeper) ClientParams 

func (q Keeper) ClientParams(c context.Context, _ *types.QueryClientParamsRequest) (*types.QueryClientParamsResponse, error)

ClientParams implements the Query/ClientParams gRPC method

func (Keeper) ClientState 

func (q Keeper) ClientState(c context.Context, req *types.QueryClientStateRequest) (*types.QueryClientStateResponse, error)

ClientState implements the Query/ClientState gRPC method

func (Keeper) ClientStates 

func (q Keeper) ClientStates(c context.Context, req *types.QueryClientStatesRequest) (*types.QueryClientStatesResponse, error)

ClientStates implements the Query/ClientStates gRPC method

func (Keeper) ClientStatus 

func (q Keeper) ClientStatus(c context.Context, req *types.QueryClientStatusRequest) (*types.QueryClientStatusResponse, error)

ClientStatus implements the Query/ClientStatus gRPC method

func (Keeper) ClientStore 

func (k Keeper) ClientStore(ctx sdk.Context, clientID string) sdk.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) ClientUpdateProposal 

func (k Keeper) ClientUpdateProposal(ctx sdk.Context, p *types.ClientUpdateProposal) error

ClientUpdateProposal will retrieve the subject and substitute client. A callback will occur to the subject client state with the client prefixed store being provided for both the subject and the substitute client. The localhost client is not allowed to be modified with a proposal. The IBC client implementations are responsible for validating the parameters of the subtitute (enusring they match the subject's parameters) as well as copying the necessary consensus states from the subtitute to the subject client store. The substitute must be Active and the subject must not be Active.

func (Keeper) ConsensusState 

func (q Keeper) ConsensusState(c context.Context, req *types.QueryConsensusStateRequest) (*types.QueryConsensusStateResponse, error)

ConsensusState implements the Query/ConsensusState gRPC method

func (Keeper) ConsensusStates 

func (q Keeper) ConsensusStates(c context.Context, req *types.QueryConsensusStatesRequest) (*types.QueryConsensusStatesResponse, error)

ConsensusStates implements the Query/ConsensusStates gRPC method

func (Keeper) CreateClient 

func (k Keeper) CreateClient(
	ctx sdk.Context, clientState exported.ClientState, consensusState exported.ConsensusState,
) (string, error)

CreateClient creates a new client state and populates it with a given consensus state as defined in https://github.com/cosmos/ics/tree/master/spec/ics-002-client-semantics#create

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) (states []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) GetAllowedClients 

func (k Keeper) GetAllowedClients(ctx sdk.Context) []string

GetAllowedClients retrieves the allowed clients from the paramstore

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) GetClientState 

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

GetClientState gets a particular client from the store

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) GetSelfConsensusState 

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

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) (plan upgradetypes.Plan, havePlan bool)

GetUpgradePlan executes the upgrade keeper GetUpgradePlan function.

func (Keeper) GetUpgradedClient 

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

GetUpgradedClient executes the upgrade keeper GetUpgradeClient function.

func (Keeper) GetUpgradedConsensusState 

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

GetUpgradedConsensusState returns the upgraded consensus state

func (Keeper) HandleUpgradeProposal 

func (k Keeper) HandleUpgradeProposal(ctx sdk.Context, p *types.UpgradeProposal) error

HandleUpgradeProposal sets the upgraded client state in the upgrade store. It clears an IBC client state and consensus state if a previous plan was set. Then it will schedule an upgrade and finally set the upgraded client state in upgrade store.

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) IterateClients 

func (k Keeper) IterateClients(ctx sdk.Context, cb func(clientID string, cs exported.ClientState) bool)

IterateClients provides an iterator over all stored light client State objects. For each State 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 (k Keeper) Logger(ctx sdk.Context) log.Logger

Logger returns a module-specific logger.

func (Keeper) MustMarshalClientState 

func (k Keeper) MustMarshalClientState(clientState exported.ClientState) []byte

MustMarshalClientState attempts to encode an ClientState object and returns the raw encoded bytes. It panics on error.

func (Keeper) MustMarshalConsensusState 

func (k Keeper) MustMarshalConsensusState(consensusState exported.ConsensusState) []byte

MustMarshalConsensusState attempts to encode an ConsensusState object and returns the raw encoded bytes. It panics on error.

func (Keeper) MustUnmarshalClientState 

func (k Keeper) MustUnmarshalClientState(bz []byte) exported.ClientState

MustUnmarshalClientState attempts to decode and return an ClientState object from raw encoded bytes. It panics on error.

func (Keeper) MustUnmarshalConsensusState 

func (k Keeper) MustUnmarshalConsensusState(bz []byte) exported.ConsensusState

MustUnmarshalConsensusState attempts to decode and return an ConsensusState object from raw encoded bytes. It panics on error.

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) 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) UnmarshalClientState 

func (k Keeper) UnmarshalClientState(bz []byte) (exported.ClientState, error)

UnmarshalClientState attempts to decode and return an ClientState object from raw encoded bytes.

func (Keeper) UnmarshalConsensusState 

func (k Keeper) UnmarshalConsensusState(bz []byte) (exported.ConsensusState, error)

UnmarshalConsensusState attempts to decode and return an ConsensusState object from raw encoded bytes.

func (Keeper) UpdateClient 

func (k Keeper) UpdateClient(ctx sdk.Context, clientID string, header exported.Header) error

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

func (Keeper) UpgradeClient 

func (k Keeper) UpgradeClient(ctx sdk.Context, clientID string, upgradedClient exported.ClientState, upgradedConsState exported.ConsensusState,
	proofUpgradeClient, proofUpgradeConsState []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) UpgradedClientState 

func (q Keeper) UpgradedClientState(c context.Context, req *types.QueryUpgradedClientStateRequest) (*types.QueryUpgradedClientStateResponse, error)

UpgradedClientState implements the Query/UpgradedClientState gRPC method

func (Keeper) UpgradedConsensusState 

func (q Keeper) UpgradedConsensusState(c context.Context, req *types.QueryUpgradedConsensusStateRequest) (*types.QueryUpgradedConsensusStateResponse, error)

UpgradedConsensusState implements the Query/UpgradedConsensusState gRPC method

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 Client must be in same revision as the executing chain

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) Migrate1to2 

func (m Migrator) Migrate1to2(ctx sdk.Context) error

Migrate1to2 migrates from version 1 to 2. This migration - migrates solo machine client states from v1 to v2 protobuf definition - prunes solo machine consensus states - prunes expired tendermint consensus states - adds iteration and processed height keys for unexpired tendermint consensus states

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