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callbacks_delegate.go
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callbacks_delegate.go
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package keeper
import (
"fmt"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
icacallbackstypes "github.com/lum-network/chain/x/icacallbacks/types"
"github.com/lum-network/chain/x/millions/types"
)
// MarshalDelegateCallbackArgs Marshal delegate DelegateCallback arguments
func (k Keeper) MarshalDelegateCallbackArgs(ctx sdk.Context, delegateCallback types.DelegateCallback) ([]byte, error) {
out, err := k.cdc.Marshal(&delegateCallback)
if err != nil {
k.Logger(ctx).Error(fmt.Sprintf("MarshalDelegateCallbackArgs %v", err.Error()))
return nil, err
}
return out, nil
}
// UnmarshalDelegateCallbackArgs Marshal delegate callback arguments into a DelegateCallback struct
func (k Keeper) UnmarshalDelegateCallbackArgs(ctx sdk.Context, delegateCallback []byte) (*types.DelegateCallback, error) {
unmarshalledDelegateCallback := types.DelegateCallback{}
if err := k.cdc.Unmarshal(delegateCallback, &unmarshalledDelegateCallback); err != nil {
k.Logger(ctx).Error(fmt.Sprintf("UnmarshalDelegateCallbackArgs %v", err.Error()))
return nil, err
}
return &unmarshalledDelegateCallback, nil
}
func DelegateCallback(k Keeper, ctx sdk.Context, packet channeltypes.Packet, ackResponse *icacallbackstypes.AcknowledgementResponse, args []byte) error {
// Deserialize the callback args
delegateCallback, err := k.UnmarshalDelegateCallbackArgs(ctx, args)
if err != nil {
return errorsmod.Wrapf(types.ErrUnmarshalFailure, fmt.Sprintf("Unable to unmarshal delegate callback args: %s", err.Error()))
}
// Scenarios:
// - Timeout: Does nothing, handled when restoring the ICA channel
// - Error: Put entity in error state to allow users to retry
if ackResponse.Status == icacallbackstypes.AckResponseStatus_TIMEOUT {
k.Logger(ctx).Debug("Received timeout for a delegate packet")
} else if ackResponse.Status == icacallbackstypes.AckResponseStatus_FAILURE {
k.Logger(ctx).Debug("Received failure for a delegate packet")
return k.OnDelegateDepositOnRemoteZoneCompleted(ctx, delegateCallback.GetPoolId(), delegateCallback.GetDepositId(), delegateCallback.GetSplitDelegations(), true)
} else if ackResponse.Status == icacallbackstypes.AckResponseStatus_SUCCESS {
k.Logger(ctx).Debug("Received success for a delegate packet")
return k.OnDelegateDepositOnRemoteZoneCompleted(ctx, delegateCallback.GetPoolId(), delegateCallback.GetDepositId(), delegateCallback.GetSplitDelegations(), false)
}
return nil
}