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ibc_module.go
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ibc_module.go
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package intertx
import (
proto "github.com/gogo/protobuf/proto"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/cosmos/interchain-accounts/x/inter-tx/keeper"
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"
)
var _ porttypes.IBCModule = IBCModule{}
// IBCModule implements the ICS26 interface for interchain accounts controller chains
type IBCModule struct {
keeper keeper.Keeper
}
// NewIBCModule creates a new IBCModule given the keeper
func NewIBCModule(k keeper.Keeper) IBCModule {
return IBCModule{
keeper: k,
}
}
// OnChanOpenInit implements the IBCModule interface
func (im IBCModule) OnChanOpenInit(
ctx sdk.Context,
order channeltypes.Order,
connectionHops []string,
portID string,
channelID string,
chanCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty,
version string,
) (string, error) {
return version, nil
}
// OnChanOpenTry implements the IBCModule interface
func (im IBCModule) OnChanOpenTry(
ctx sdk.Context,
order channeltypes.Order,
connectionHops []string,
portID,
channelID string,
chanCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty,
counterpartyVersion string,
) (string, error) {
return "", nil
}
// OnChanOpenAck implements the IBCModule interface
func (im IBCModule) OnChanOpenAck(
ctx sdk.Context,
portID,
channelID string,
counterpartyChannelID string,
counterpartyVersion string,
) error {
return nil
}
// OnChanOpenConfirm implements the IBCModule interface
func (im IBCModule) OnChanOpenConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
return nil
}
// OnChanCloseInit implements the IBCModule interface
func (im IBCModule) OnChanCloseInit(
ctx sdk.Context,
portID,
channelID string,
) error {
return nil
}
// OnChanCloseConfirm implements the IBCModule interface
func (im IBCModule) OnChanCloseConfirm(
ctx sdk.Context,
portID,
channelID string,
) error {
return nil
}
// OnRecvPacket implements the IBCModule interface
func (im IBCModule) OnRecvPacket(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) ibcexported.Acknowledgement {
return channeltypes.NewErrorAcknowledgement(errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "cannot receive packet via interchain accounts authentication module"))
}
// OnAcknowledgementPacket implements the IBCModule interface
func (im IBCModule) OnAcknowledgementPacket(
ctx sdk.Context,
packet channeltypes.Packet,
acknowledgement []byte,
relayer sdk.AccAddress,
) error {
var ack channeltypes.Acknowledgement
if err := channeltypes.SubModuleCdc.UnmarshalJSON(acknowledgement, &ack); err != nil {
return errorsmod.Wrapf(sdkerrors.ErrUnknownRequest, "cannot unmarshal ICS-27 packet acknowledgement: %v", err)
}
var txMsgData sdk.TxMsgData
if err := proto.Unmarshal(ack.GetResult(), &txMsgData); err != nil {
return errorsmod.Wrapf(sdkerrors.ErrUnknownRequest, "cannot unmarshal ICS-27 tx message data: %v", err)
}
switch len(txMsgData.Data) {
case 0:
for _, msgResp := range txMsgData.GetMsgResponses() {
im.keeper.Logger(ctx).Info("msg response in ICS-27 packet", "response", msgResp.GoString(), "typeURL", msgResp.GetTypeUrl())
}
return nil
default:
for _, msgData := range txMsgData.Data {
response, err := handleMsgData(ctx, msgData)
if err != nil {
return err
}
im.keeper.Logger(ctx).Info("message response in ICS-27 packet response", "response", response)
}
return nil
}
}
// OnTimeoutPacket implements the IBCModule interface.
func (im IBCModule) OnTimeoutPacket(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) error {
return nil
}
func handleMsgData(ctx sdk.Context, msgData *sdk.MsgData) (string, error) { //nolint:staticcheck // SA1019: sdk.MsgData is deprecated: Do not use.
switch msgData.MsgType {
case sdk.MsgTypeURL(&banktypes.MsgSend{}):
msgResponse := &banktypes.MsgSendResponse{}
if err := proto.Unmarshal(msgData.Data, msgResponse); err != nil {
return "", errorsmod.Wrapf(sdkerrors.ErrJSONUnmarshal, "cannot unmarshal send response message: %s", err.Error())
}
return msgResponse.String(), nil
case sdk.MsgTypeURL(&stakingtypes.MsgDelegate{}):
msgResponse := &stakingtypes.MsgDelegateResponse{}
if err := proto.Unmarshal(msgData.Data, msgResponse); err != nil {
return "", errorsmod.Wrapf(sdkerrors.ErrJSONUnmarshal, "cannot unmarshal delegate response message: %s", err.Error())
}
return msgResponse.String(), nil
default:
return "", nil
}
}