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htlcswitch: replace outgoing failure with interface

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Add a FailureDetail interface which allows us have different kinds of
failures for link errors. This interface will be used to cover failures
that occur when on invoice payment, because the errors have already
been enumerated in the invoices package.
This commit is contained in:
carla
2020-02-06 19:35:16 +02:00
parent bdd9411bbd
commit 9390d3bbfd
3 changed files with 23 additions and 12 deletions
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14
htlcswitch/failure.go
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@@ -34,8 +34,8 @@ type LinkError struct {
// node.
msg lnwire.FailureMessage
// OutgoingFailure enriches the wire error with additional information.
OutgoingFailure
// FailureDetail enriches the wire error with additional information.
FailureDetail
}
// NewLinkError returns a LinkError with the failure message provided.
@@ -48,11 +48,11 @@ func NewLinkError(msg lnwire.FailureMessage) *LinkError {
// NewDetailedLinkError returns a link error that enriches a wire message with
// a failure detail.
func NewDetailedLinkError(msg lnwire.FailureMessage,
detail OutgoingFailure) *LinkError {
detail FailureDetail) *LinkError {
return &LinkError{
msg: msg,
OutgoingFailure: detail,
msg: msg,
FailureDetail: detail,
}
}
@@ -72,11 +72,11 @@ func (l *LinkError) WireMessage() lnwire.FailureMessage {
func (l *LinkError) Error() string {
// If the link error has no failure detail, return the wire message's
// error.
if l.OutgoingFailure == OutgoingFailureNone {
if l.FailureDetail == nil {
return l.msg.Error()
}
return fmt.Sprintf("%v: %v", l.msg.Error(), l.OutgoingFailure)
return fmt.Sprintf("%v: %v", l.msg.Error(), l.FailureDetail)
}
// ForwardingError wraps an lnwire.FailureMessage in a struct that also