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ibc_middleware.go
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ibc_middleware.go
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package stakedym
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
clienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
"github.com/Stride-Labs/stride/v21/x/stakedym/keeper"
)
var _ porttypes.Middleware = &IBCMiddleware{}
type IBCMiddleware struct {
app porttypes.IBCModule
keeper keeper.Keeper
}
// NewIBCMiddleware creates a new IBCMiddleware given the keeper
func NewIBCMiddleware(k keeper.Keeper, app porttypes.IBCModule) IBCMiddleware {
return IBCMiddleware{
app: app,
keeper: k,
}
}
// No custom logic needed for OnChanOpenInit - passes through to next middleware
func (im IBCMiddleware) OnChanOpenInit(
ctx sdk.Context,
order channeltypes.Order,
connectionHops []string,
portID string,
channelID string,
channelCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty,
version string,
) (string, error) {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnChanOpenAck (Stakedym): portID %s, channelID %s", portID, channelID))
return im.app.OnChanOpenInit(
ctx,
order,
connectionHops,
portID,
channelID,
channelCap,
counterparty,
version,
)
}
// No custom logic needed for OnChanOpenAck - passes through to next middleware
func (im IBCMiddleware) OnChanOpenAck(
ctx sdk.Context,
portID string,
channelID string,
counterpartyChannelID string,
counterpartyVersion string,
) error {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnChanOpenAck (Stakedym): portID %s, channelID %s, counterpartyChannelID %s, counterpartyVersion %s",
portID, channelID, counterpartyChannelID, counterpartyVersion))
return im.app.OnChanOpenAck(
ctx,
portID,
channelID,
counterpartyChannelID,
counterpartyVersion,
)
}
// No custom logic needed for OnChanCloseConfirm - passes through to next middleware
func (im IBCMiddleware) OnChanCloseConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnChanCloseConfirm (Stakedym): portID %s, channelID %s", portID, channelID))
return im.app.OnChanCloseConfirm(ctx, portID, channelID)
}
// OnAcknowledgementPacket must check the ack for outbound transfers of native tokens
// and update record keeping based on whether it succeeded
func (im IBCMiddleware) OnAcknowledgementPacket(
ctx sdk.Context,
packet channeltypes.Packet,
acknowledgement []byte,
relayer sdk.AccAddress,
) error {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnAcknowledgementPacket (Stakedym): SourcePort %s, SourceChannel %s, DestinationPort %s, DestinationChannel %s",
packet.SourcePort, packet.SourceChannel, packet.DestinationPort, packet.DestinationChannel))
// Handle stakedym specific logic
if err := im.keeper.OnAcknowledgementPacket(ctx, packet, acknowledgement); err != nil {
im.keeper.Logger(ctx).Error(fmt.Sprintf("ICS20 stakedym OnAckPacket failed: %s", err.Error()))
return err
}
return im.app.OnAcknowledgementPacket(ctx, packet, acknowledgement, relayer)
}
// OnTimeoutPacket must check if an outbound transfer of native tokens timed out,
// and, if so, adjust record keeping
func (im IBCMiddleware) OnTimeoutPacket(ctx sdk.Context, packet channeltypes.Packet, relayer sdk.AccAddress) error {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnTimeoutPacket (Stakedym): packet %v, relayer %v", packet, relayer))
// Handle stakedym specific logic
if err := im.keeper.OnTimeoutPacket(ctx, packet); err != nil {
im.keeper.Logger(ctx).Error(fmt.Sprintf("ICS20 stakedym OnTimeoutPacket failed: %s", err.Error()))
return err
}
return im.app.OnTimeoutPacket(ctx, packet, relayer)
}
// No custom logic needed for OnChanOpenTry - passes through to next middleware
func (im IBCMiddleware) OnChanOpenTry(
ctx sdk.Context,
order channeltypes.Order,
connectionHops []string,
portID,
channelID string,
channelCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty,
counterpartyVersion string,
) (string, error) {
return im.app.OnChanOpenTry(
ctx,
order,
connectionHops,
portID,
channelID,
channelCap,
counterparty,
counterpartyVersion,
)
}
// No custom logic needed for OnChanOpenConfirm - passes through to next middleware
func (im IBCMiddleware) OnChanOpenConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
return im.app.OnChanOpenConfirm(ctx, portID, channelID)
}
// No custom logic needed for OnChanCloseInit - passes through to next middleware
func (im IBCMiddleware) OnChanCloseInit(
ctx sdk.Context,
portID,
channelID string,
) error {
return im.app.OnChanCloseInit(ctx, portID, channelID)
}
// No custom logic needed for OnRecvPacket - passes through to next middleware
func (im IBCMiddleware) OnRecvPacket(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) ibcexported.Acknowledgement {
return im.app.OnRecvPacket(ctx, packet, relayer)
}
// Send implements the ICS4Wrapper interface
// Stakedym sits above where ICS4 traffic routes in the transfer stack
// so this should never get called
func (im IBCMiddleware) SendPacket(
ctx sdk.Context,
chanCap *capabilitytypes.Capability,
sourcePort string,
sourceChannel string,
timeoutHeight clienttypes.Height,
timeoutTimestamp uint64,
data []byte,
) (sequence uint64, err error) {
panic("Unexpected ICS4Wrapper route to stakedym module")
}
// WriteAcknowledgement implements the ICS4Wrapper interface
// Stakedym sits above where ICS4 traffic routes in the transfer stack
// so this should never get called
func (im IBCMiddleware) WriteAcknowledgement(
ctx sdk.Context,
channelCap *capabilitytypes.Capability,
packet ibcexported.PacketI,
ack ibcexported.Acknowledgement,
) error {
panic("Unexpected ICS4Wrapper route to stakedym module")
}
// GetAppVersion implements the ICS4Wrapper interface
// Stakedym sits above where ICS4 traffic routes in the transfer stack
// so this should never get called
func (im IBCMiddleware) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
panic("Unexpected ICS4Wrapper route to stakedym module")
}