keeper

package
v1.0.0 Latest Latest
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Published: Nov 8, 2022 License: Apache-2.0 Imports: 21 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 {
	// contains filtered or unexported fields
}

Keeper struct

func NewKeeper

NewKeeper returns keeper

func (Keeper) GetAppVersion

func (k Keeper) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool)

GetAppVersion returns the underlying application version.

func (Keeper) GetIBCDenomDestinationIdentifiers

func (k Keeper) GetIBCDenomDestinationIdentifiers(ctx sdk.Context, denom, sender string) (destinationPort, destinationChannel string, err error)

GetIBCDenomDestinationIdentifiers returns the destination port and channel of the IBC denomination, i.e port and channel on Kynno for the voucher. It returns an error if:

  • the denomination is invalid
  • the denom trace is not found on the store
  • destination port or channel ID are invalid

func (Keeper) GetParams

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

GetParams returns the total set of recovery parameters.

func (Keeper) Logger

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

Logger returns logger

func (Keeper) OnRecvPacket

OnRecvPacket performs an IBC receive callback. It returns the tokens that users transferred to their Cosmos secp256k1 address instead of the Ethereum ethsecp256k1 address. The expected behavior is as follows:

First transfer from authorized source chain:

  • sends back IBC tokens which originated from the source chain
  • sends over all Kynno native tokens

Second transfer from a different authorized source chain:

  • only sends back IBC tokens which originated from the source chain

func (Keeper) Params

Params returns the module parameters

func (Keeper) SendPacket

func (k Keeper) SendPacket(ctx sdk.Context, channelCap *capabilitytypes.Capability, packet exported.PacketI) error

SendPacket implements the ICS4Wrapper interface from the transfer module. It calls the underlying SendPacket function directly to move down the middleware stack.

func (*Keeper) SetICS4Wrapper

func (k *Keeper) SetICS4Wrapper(ics4Wrapper porttypes.ICS4Wrapper)

SetICS4Wrapper sets the ICS4 wrapper to the keeper. It panics if already set

func (Keeper) SetParams

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

SetParams sets the recovery parameters to the param space.

func (Keeper) WriteAcknowledgement

func (k Keeper) WriteAcknowledgement(ctx sdk.Context, channelCap *capabilitytypes.Capability, packet exported.PacketI, ack exported.Acknowledgement) error

WriteAcknowledgement implements the ICS4Wrapper interface from the transfer module. It calls the underlying WriteAcknowledgement function directly to move down the middleware stack.

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