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invoices: cancel htlc on HtlcModify signal

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George Tsagkarelis 2024-10-18 12:44:58 +02:00 committed by Oliver Gugger
parent 2999b37607
commit 6f401b4265
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GPG Key ID: 8E4256593F177720
1 changed files with 16 additions and 1 deletions
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17
invoices/invoiceregistry.go
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@ -1049,6 +1049,8 @@ func (i *InvoiceRegistry) notifyExitHopHtlcLocked(
return nil, nil, err
}
var cancelSet bool
// Provide the invoice to the settlement interceptor to allow
// the interceptor's client an opportunity to manipulate the
// settlement process.
@ -1066,6 +1068,8 @@ func (i *InvoiceRegistry) notifyExitHopHtlcLocked(
if resp.AmountPaid != 0 {
ctx.amtPaid = resp.AmountPaid
}
cancelSet = resp.CancelSet
})
if err != nil {
err := fmt.Errorf("error during invoice HTLC interception: %w",
@ -1092,7 +1096,18 @@ func (i *InvoiceRegistry) notifyExitHopHtlcLocked(
updateDesc.State != nil
// Assign resolution to outer scope variable.
resolution = res
if cancelSet {
// If a cancel signal was set for the htlc set, we set
// the resolution as a failure with an underpayment
// indication. Something was wrong with this htlc, so
// we probably can't settle the invoice at all.
resolution = NewFailResolution(
ctx.circuitKey, ctx.currentHeight,
ResultAmountTooLow,
)
} else {
resolution = res
}
return updateDesc, nil
}