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callback_native_transfer.go
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callback_native_transfer.go
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package keeper
import (
"fmt"
ibctransfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
icacallbackstypes "github.com/Stride-Labs/stride/v18/x/icacallbacks/types"
"github.com/Stride-Labs/stride/v18/x/records/types"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/gogoproto/proto"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
)
func (k Keeper) MarshalTransferCallbackArgs(ctx sdk.Context, delegateCallback types.TransferCallback) ([]byte, error) {
out, err := proto.Marshal(&delegateCallback)
if err != nil {
k.Logger(ctx).Error(fmt.Sprintf("MarshalTransferCallbackArgs %v", err.Error()))
return nil, err
}
return out, nil
}
func (k Keeper) UnmarshalTransferCallbackArgs(ctx sdk.Context, delegateCallback []byte) (*types.TransferCallback, error) {
unmarshalledTransferCallback := types.TransferCallback{}
if err := proto.Unmarshal(delegateCallback, &unmarshalledTransferCallback); err != nil {
k.Logger(ctx).Error(fmt.Sprintf("UnmarshalTransferCallbackArgs %v", err.Error()))
return nil, err
}
return &unmarshalledTransferCallback, nil
}
func (k Keeper) TransferCallback(ctx sdk.Context, packet channeltypes.Packet, ackResponse *icacallbackstypes.AcknowledgementResponse, args []byte) error {
k.Logger(ctx).Info("TransferCallback executing", "packet", packet)
// deserialize the args
transferCallbackData, err := k.UnmarshalTransferCallbackArgs(ctx, args)
if err != nil {
return errorsmod.Wrapf(types.ErrUnmarshalFailure, "cannot unmarshal transfer callback args: %s", err.Error())
}
k.Logger(ctx).Info(fmt.Sprintf("TransferCallback %v", transferCallbackData))
depositRecord, found := k.GetDepositRecord(ctx, transferCallbackData.DepositRecordId)
if !found {
k.Logger(ctx).Error(fmt.Sprintf("TransferCallback deposit record not found, packet %v", packet))
return errorsmod.Wrapf(types.ErrUnknownDepositRecord, "deposit record not found %d", transferCallbackData.DepositRecordId)
}
if ackResponse.Status == icacallbackstypes.AckResponseStatus_TIMEOUT {
// timeout
// put record back in the TRANSFER_QUEUE
depositRecord.Status = types.DepositRecord_TRANSFER_QUEUE
k.SetDepositRecord(ctx, depositRecord)
k.Logger(ctx).Error(fmt.Sprintf("TransferCallback timeout, ack is nil, packet %v", packet))
return nil
}
if ackResponse.Status == icacallbackstypes.AckResponseStatus_FAILURE {
// error on host chain
// put record back in the TRANSFER_QUEUE
depositRecord.Status = types.DepositRecord_TRANSFER_QUEUE
k.SetDepositRecord(ctx, depositRecord)
k.Logger(ctx).Error(fmt.Sprintf("Error %s", ackResponse.Error))
return nil
}
var data ibctransfertypes.FungibleTokenPacketData
if err := ibctransfertypes.ModuleCdc.UnmarshalJSON(packet.GetData(), &data); err != nil {
k.Logger(ctx).Error(fmt.Sprintf("Error unmarshalling packet %v", err.Error()))
return errorsmod.Wrapf(sdkerrors.ErrUnknownRequest, "cannot unmarshal ICS-20 transfer packet data: %s", err.Error())
}
k.Logger(ctx).Info(fmt.Sprintf("TransferCallback unmarshalled FungibleTokenPacketData %v", data))
// put the deposit record in the DELEGATION_QUEUE
depositRecord.Status = types.DepositRecord_DELEGATION_QUEUE
k.SetDepositRecord(ctx, depositRecord)
k.Logger(ctx).Info(fmt.Sprintf("\t [IBC-TRANSFER] Deposit record updated: {%v}, status: {%s}", depositRecord.Id, depositRecord.Status.String()))
k.Logger(ctx).Info(fmt.Sprintf("[IBC-TRANSFER] success to %s", depositRecord.HostZoneId))
return nil
}