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invoices: pre-check key send expiry

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Joost Jager 2020-01-10 21:35:10 +01:00
parent 0ce2d6f523
commit 59a7a9d308
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1 changed files with 6 additions and 0 deletions
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6
invoices/invoiceregistry.go
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@ -736,6 +736,12 @@ func (i *InvoiceRegistry) processKeySend(ctx invoiceUpdateCtx,
// Use the minimum block delta that we require for settling htlcs.
finalCltvDelta := i.cfg.FinalCltvRejectDelta
// Pre-check expiry here to prevent inserting an invoice that will not
// be settled.
if ctx.expiry < uint32(ctx.currentHeight+finalCltvDelta) {
return errors.New("final expiry too soon")
}
// Create placeholder invoice.
invoice := &channeldb.Invoice{
CreationDate: i.cfg.Clock.Now(),