keeper

package
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Published: Jul 25, 2020 License: Apache-2.0 Imports: 7 Imported by: 0

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type Keeper

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

Keeper defines the IBC connection keeper

func NewKeeper

func NewKeeper(sck capabilitykeeper.ScopedKeeper) Keeper

NewKeeper creates a new IBC connection Keeper instance

func (Keeper) Authenticate

func (k Keeper) Authenticate(ctx sdk.Context, key *capabilitytypes.Capability, portID string) bool

Authenticate authenticates a capability key against a port ID by checking if the memory address of the capability was previously generated and bound to the port (provided as a parameter) which the capability is being authenticated against.

func (*Keeper) BindPort

func (k *Keeper) BindPort(ctx sdk.Context, portID string) *capabilitytypes.Capability

BindPort binds to a port and returns the associated capability. Ports must be bound statically when the chain starts in `app.go`. The capability must then be passed to a module which will need to pass it as an extra parameter when calling functions on the IBC module.

func (Keeper) Logger

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

Logger returns a module-specific logger.

func (Keeper) LookupModuleByPort

func (k Keeper) LookupModuleByPort(ctx sdk.Context, portID string) (string, *capabilitytypes.Capability, error)

LookupModuleByPort will return the IBCModule along with the capability associated with a given portID

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