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acknowledgement.go
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acknowledgement.go
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package types
import (
"reflect"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// NewResultAcknowledgement returns a new instance of Acknowledgement using an Acknowledgement_Result
// type in the Response field.
func NewResultAcknowledgement(result []byte) Acknowledgement {
return Acknowledgement{
Response: &Acknowledgement_Result{
Result: result,
},
}
}
// NewErrorAcknowledgement returns a new instance of Acknowledgement using an Acknowledgement_Error
// type in the Response field.
func NewErrorAcknowledgement(err string) Acknowledgement {
return Acknowledgement{
Response: &Acknowledgement_Error{
Error: err,
},
}
}
// ValidateBasic performs a basic validation of the acknowledgement
func (ack Acknowledgement) ValidateBasic() error {
switch resp := ack.Response.(type) {
case *Acknowledgement_Result:
if len(resp.Result) == 0 {
return sdkerrors.Wrap(ErrInvalidAcknowledgement, "acknowledgement result cannot be empty")
}
case *Acknowledgement_Error:
if strings.TrimSpace(resp.Error) == "" {
return sdkerrors.Wrap(ErrInvalidAcknowledgement, "acknowledgement error cannot be empty")
}
default:
return sdkerrors.Wrapf(ErrInvalidAcknowledgement, "unsupported acknowledgement response field type %T", resp)
}
return nil
}
// Success implements the Acknowledgement interface. The acknowledgement is
// considered successful if it is a ResultAcknowledgement. Otherwise it is
// considered a failed acknowledgement.
func (ack Acknowledgement) Success() bool {
return reflect.TypeOf(ack.Response) == reflect.TypeOf(((*Acknowledgement_Result)(nil)))
}
// Acknowledgement implements the Acknowledgement interface. It returns the
// acknowledgement serialised using JSON.
func (ack Acknowledgement) Acknowledgement() []byte {
return sdk.MustSortJSON(SubModuleCdc.MustMarshalJSON(&ack))
}