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ibc_middleware.go
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ibc_middleware.go
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package stakeibc
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
icatypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/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/v14/x/stakeibc/keeper"
"github.com/Stride-Labs/stride/v14/x/stakeibc/types"
)
var _ porttypes.Middleware = &IBCMiddleware{}
type IBCMiddleware struct {
app porttypes.IBCModule
keeper keeper.Keeper
}
func NewIBCMiddleware(app porttypes.IBCModule, k keeper.Keeper) IBCMiddleware {
return IBCMiddleware{
app: app,
keeper: k,
}
}
// OnChanOpenInit simply passes down the to next middleware stack
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) {
return im.app.OnChanOpenInit(ctx, order, connectionHops, portID, channelID, channelCap, counterparty, version)
}
// OnChanOpenTry simply passes down the to next middleware stack
func (im IBCMiddleware) OnChanOpenTry(
ctx sdk.Context,
order channeltypes.Order,
connectionHops []string,
portID,
channelID string,
chanCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty,
counterpartyVersion string,
) (string, error) {
return im.app.OnChanOpenTry(ctx, order, connectionHops, portID, channelID, chanCap, counterparty, counterpartyVersion)
}
// OnChanOpenAck stores the new ICA acccount addresses on the host zone and then passes to the next middleware stack
func (im IBCMiddleware) OnChanOpenAck(
ctx sdk.Context,
portID,
channelID string,
counterpartyChannelID string,
counterpartyVersion string,
) error {
im.keeper.Logger(ctx).Info(fmt.Sprintf("OnChanOpenAck: portID %s, channelID %s, counterpartyChannelID %s, counterpartyVersion %s", portID, channelID, counterpartyChannelID, counterpartyVersion))
controllerConnectionId, err := im.keeper.GetConnectionId(ctx, portID)
if err != nil {
ctx.Logger().Error(fmt.Sprintf("Unable to get connection for port: %s", portID))
}
address, found := im.keeper.ICAControllerKeeper.GetInterchainAccountAddress(ctx, controllerConnectionId, portID)
if !found {
ctx.Logger().Error(fmt.Sprintf("Expected to find an address for %s/%s", controllerConnectionId, portID))
return nil
}
// get host chain id from connection
// fetch counterparty connection
hostChainId, err := im.keeper.GetChainID(ctx, controllerConnectionId)
if err != nil {
ctx.Logger().Error(fmt.Sprintf("Unable to obtain counterparty chain for connection: %s, port: %s, err: %s", controllerConnectionId, portID, err.Error()))
return nil
}
// get zone info
zoneInfo, found := im.keeper.GetHostZone(ctx, hostChainId)
if !found {
ctx.Logger().Error(fmt.Sprintf("Expected to find zone info for %v", hostChainId))
return nil
}
ctx.Logger().Info(fmt.Sprintf("Found matching address for chain: %s, address %s, port %s", zoneInfo.ChainId, address, portID))
// addresses
withdrawalAddress, err := icatypes.NewControllerPortID(types.FormatICAAccountOwner(hostChainId, types.ICAAccountType_WITHDRAWAL))
if err != nil {
return err
}
feeAddress, err := icatypes.NewControllerPortID(types.FormatICAAccountOwner(hostChainId, types.ICAAccountType_FEE))
if err != nil {
return err
}
delegationAddress, err := icatypes.NewControllerPortID(types.FormatICAAccountOwner(hostChainId, types.ICAAccountType_DELEGATION))
if err != nil {
return err
}
redemptionAddress, err := icatypes.NewControllerPortID(types.FormatICAAccountOwner(hostChainId, types.ICAAccountType_REDEMPTION))
if err != nil {
return err
}
// Set ICA account addresses
switch {
case portID == withdrawalAddress:
zoneInfo.WithdrawalIcaAddress = address
case portID == feeAddress:
zoneInfo.FeeIcaAddress = address
case portID == delegationAddress:
zoneInfo.DelegationIcaAddress = address
case portID == redemptionAddress:
zoneInfo.RedemptionIcaAddress = address
default:
ctx.Logger().Error(fmt.Sprintf("Missing portId: %s", portID))
}
im.keeper.SetHostZone(ctx, zoneInfo)
// call underlying app's OnChanOpenAck
return im.app.OnChanOpenAck(ctx, portID, channelID, counterpartyChannelID, counterpartyVersion)
}
// OnChanCloseConfirm simply passes down the to next middleware stack
func (im IBCMiddleware) OnChanCloseConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
return im.app.OnChanCloseConfirm(ctx, portID, channelID)
}
// OnChanCloseInit simply passes down the to next middleware stack
func (im IBCMiddleware) OnChanCloseInit(
ctx sdk.Context,
portID,
channelID string,
) error {
return im.app.OnChanCloseInit(ctx, portID, channelID)
}
// OnChanOpenConfirm simply passes down the to next middleware stack
func (im IBCMiddleware) OnChanOpenConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
return im.app.OnChanOpenConfirm(ctx, portID, channelID)
}
// OnAcknowledgementPacket simply passes down the to next middleware stack
// The Ack handling and routing is managed by icacallbacks
func (im IBCMiddleware) OnAcknowledgementPacket(
ctx sdk.Context,
packet channeltypes.Packet,
acknowledgement []byte,
relayer sdk.AccAddress,
) error {
return im.app.OnAcknowledgementPacket(ctx, packet, acknowledgement, relayer)
}
// OnTimeoutPacket simply passes down the to next middleware stack
// The Ack handling and routing is managed by icacallbacks
func (im IBCMiddleware) OnTimeoutPacket(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) error {
return im.app.OnTimeoutPacket(ctx, packet, relayer)
}
// OnRecvPacket simply passes down the to next middleware stack
func (im IBCMiddleware) OnRecvPacket(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) ibcexported.Acknowledgement {
return im.app.OnRecvPacket(ctx, packet, relayer)
}
// SendPacket implements the ICS4 Wrapper interface but is not utilized in the ICA stack
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("UNIMPLEMENTED")
}
// WriteAcknowledgement implements the ICS4 Wrapper interface
// but is not utilized in the bottom of ICA stack
func (im IBCMiddleware) WriteAcknowledgement(
ctx sdk.Context,
chanCap *capabilitytypes.Capability,
packet ibcexported.PacketI,
ack ibcexported.Acknowledgement,
) error {
panic("UNIMPLEMENTED")
}
// GetAppVersion implements the ICS4 Wrapper interface
// but is not utilized in the bottom of ICA stack
func (im IBCMiddleware) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
panic("UNIMPLEMENTED")
}