keeper

package
v0.1.4 Latest Latest
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 Go to latest Published: Apr 10, 2023 License: MIT Imports: 25 Imported by: 0

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Functions

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Types

type Keeper 

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

Keeper defines the IBC fungible transfer keeper

func NewKeeper 

func NewKeeper(
	cdc codec.BinaryCodec, key storetypes.StoreKey, paramSpace paramtypes.Subspace,
	ics4Wrapper porttypes.ICS4Wrapper, channelKeeper types.ChannelKeeper, portKeeper types.PortKeeper,
	authKeeper types.AccountKeeper, bankKeeper types.BankKeeper, scopedKeeper exported.ScopedKeeper,
) Keeper

NewKeeper creates a new IBC transfer Keeper instance

func (Keeper) AuthenticateCapability 

func (k Keeper) AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool

AuthenticateCapability wraps the scopedKeeper's AuthenticateCapability function

func (Keeper) BindPort 

func (k Keeper) BindPort(ctx sdk.Context, portID string) error

BindPort defines a wrapper function for the ort Keeper's function in order to expose it to module's InitGenesis function

func (Keeper) ClaimCapability 

func (k Keeper) ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error

ClaimCapability allows the transfer module that can claim a capability that IBC module passes to it

func (Keeper) DenomHash added in v0.1.4 

func (q Keeper) DenomHash(c context.Context, req *types.QueryDenomHashRequest) (*types.QueryDenomHashResponse, error)

DenomHash implements the Query/DenomHash gRPC method

func (Keeper) DenomPathFromHash 

func (k Keeper) DenomPathFromHash(ctx sdk.Context, denom string) (string, error)

DenomPathFromHash returns the full denomination path prefix from an ibc denom with a hash component.

func (Keeper) DenomTrace 

func (q Keeper) DenomTrace(c context.Context, req *types.QueryDenomTraceRequest) (*types.QueryDenomTraceResponse, error)

DenomTrace implements the Query/DenomTrace gRPC method

func (Keeper) DenomTraces 

func (q Keeper) DenomTraces(c context.Context, req *types.QueryDenomTracesRequest) (*types.QueryDenomTracesResponse, error)

DenomTraces implements the Query/DenomTraces gRPC method

func (Keeper) EscrowAddress added in v0.1.4 

func (q Keeper) EscrowAddress(c context.Context, req *types.QueryEscrowAddressRequest) (*types.QueryEscrowAddressResponse, error)

EscrowAddress implements the EscrowAddress gRPC method

func (Keeper) ExportGenesis 

func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState

ExportGenesis exports ibc-transfer module's portID and denom trace info into its genesis state.

func (Keeper) GetAllDenomTraces 

func (k Keeper) GetAllDenomTraces(ctx sdk.Context) types.Traces

GetAllDenomTraces returns the trace information for all the denominations.

func (Keeper) GetDenomTrace 

func (k Keeper) GetDenomTrace(ctx sdk.Context, denomTraceHash tmbytes.HexBytes) (types.DenomTrace, bool)

GetDenomTrace retreives the full identifiers trace and base denomination from the store.

func (Keeper) GetParams 

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

GetParams returns the total set of ibc-transfer parameters.

func (Keeper) GetPort 

func (k Keeper) GetPort(ctx sdk.Context) string

GetPort returns the portID for the transfer module. Used in ExportGenesis

func (Keeper) GetReceiveEnabled 

func (k Keeper) GetReceiveEnabled(ctx sdk.Context) bool

GetReceiveEnabled retrieves the receive enabled boolean from the paramstore

func (Keeper) GetSendEnabled 

func (k Keeper) GetSendEnabled(ctx sdk.Context) bool

GetSendEnabled retrieves the send enabled boolean from the paramstore

func (Keeper) HasCapability added in v0.1.4 

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

HasCapability checks if the transfer module owns the port capability for the desired port

func (Keeper) HasDenomTrace 

func (k Keeper) HasDenomTrace(ctx sdk.Context, denomTraceHash tmbytes.HexBytes) bool

HasDenomTrace checks if a the key with the given denomination trace hash exists on the store.

func (Keeper) InitGenesis 

func (k Keeper) InitGenesis(ctx sdk.Context, state types.GenesisState)

InitGenesis initializes the ibc-transfer state and binds to PortID.

func (Keeper) IterateDenomTraces 

func (k Keeper) IterateDenomTraces(ctx sdk.Context, cb func(denomTrace types.DenomTrace) bool)

IterateDenomTraces iterates over the denomination traces in the store and performs a callback function.

func (Keeper) Logger 

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

Logger returns a module-specific logger.

func (Keeper) MarshalDenomTrace 

func (k Keeper) MarshalDenomTrace(denomTrace types.DenomTrace) ([]byte, error)

MarshalDenomTrace attempts to encode an DenomTrace object and returns the raw encoded bytes.

func (Keeper) MustMarshalDenomTrace 

func (k Keeper) MustMarshalDenomTrace(denomTrace types.DenomTrace) []byte

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

func (Keeper) MustUnmarshalDenomTrace 

func (k Keeper) MustUnmarshalDenomTrace(bz []byte) types.DenomTrace

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

func (Keeper) OnAcknowledgementPacket 

func (k Keeper) OnAcknowledgementPacket(ctx sdk.Context, packet channeltypes.Packet, data types.FungibleTokenPacketData, ack channeltypes.Acknowledgement) error

OnAcknowledgementPacket responds to the the success or failure of a packet acknowledgement written on the receiving chain. If the acknowledgement was a success then nothing occurs. If the acknowledgement failed, then the sender is refunded their tokens using the refundPacketToken function.

func (Keeper) OnRecvPacket 

func (k Keeper) OnRecvPacket(ctx sdk.Context, packet channeltypes.Packet, data types.FungibleTokenPacketData) error

OnRecvPacket processes a cross chain fungible token transfer. If the sender chain is the source of minted tokens then vouchers will be minted and sent to the receiving address. Otherwise if the sender chain is sending back tokens this chain originally transferred to it, the tokens are unescrowed and sent to the receiving address.

func (Keeper) OnTimeoutPacket 

func (k Keeper) OnTimeoutPacket(ctx sdk.Context, packet channeltypes.Packet, data types.FungibleTokenPacketData) error

OnTimeoutPacket refunds the sender since the original packet sent was never received and has been timed out.

func (Keeper) Params 

func (q Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error)

Params implements the Query/Params gRPC method

func (Keeper) SetDenomTrace 

func (k Keeper) SetDenomTrace(ctx sdk.Context, denomTrace types.DenomTrace)

SetDenomTrace sets a new {trace hash -> denom trace} pair to the store.

func (Keeper) SetParams 

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

SetParams sets the total set of ibc-transfer parameters.

func (Keeper) SetPort 

func (k Keeper) SetPort(ctx sdk.Context, portID string)

SetPort sets the portID for the transfer module. Used in InitGenesis

func (Keeper) Transfer 

func (k Keeper) Transfer(goCtx context.Context, msg *types.MsgTransfer) (*types.MsgTransferResponse, error)

Transfer defines an rpc handler method for MsgTransfer.

func (Keeper) UnmarshalDenomTrace 

func (k Keeper) UnmarshalDenomTrace(bz []byte) (types.DenomTrace, error)

UnmarshalDenomTrace attempts to decode and return an DenomTrace object from raw encoded bytes.

type Migrator added in v0.1.4 

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

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

func NewMigrator added in v0.1.4 

func NewMigrator(keeper Keeper) Migrator

NewMigrator returns a new Migrator.

func (Migrator) MigrateTraces added in v0.1.4 

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

MigrateTraces migrates the DenomTraces to the correct format, accounting for slashes in the BaseDenom.

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