htlcswitch: hodl invoice

This commit modifies the invoice registry to handle invoices for which
the preimage is not known yet (hodl invoices). In that case, the
resolution channel passed in from links and resolvers is stored until we
either learn the preimage or want to cancel the htlc.
This commit is contained in:
Joost Jager
2019-02-11 12:01:05 +01:00
parent 1f41a2abce
commit 32f2b047e8
14 changed files with 1192 additions and 646 deletions

View File

@@ -759,18 +759,23 @@ func (i *mockInvoiceRegistry) LookupInvoice(rHash lntypes.Hash) (channeldb.Invoi
return i.registry.LookupInvoice(rHash)
}
func (i *mockInvoiceRegistry) NotifyExitHopHtlc(rhash lntypes.Hash,
amt lnwire.MilliSatoshi) (*invoices.HodlEvent, error) {
func (i *mockInvoiceRegistry) SettleHodlInvoice(preimage lntypes.Preimage) error {
return i.registry.SettleHodlInvoice(preimage)
}
event, err := i.registry.NotifyExitHopHtlc(rhash, amt)
func (i *mockInvoiceRegistry) NotifyExitHopHtlc(rhash lntypes.Hash,
amt lnwire.MilliSatoshi, hodlChan chan<- interface{}) (
*invoices.HodlEvent, error) {
event, err := i.registry.NotifyExitHopHtlc(rhash, amt, hodlChan)
if err != nil {
return event, err
return nil, err
}
if i.settleChan != nil {
i.settleChan <- rhash
}
return event, err
return event, nil
}
func (i *mockInvoiceRegistry) CancelInvoice(payHash lntypes.Hash) error {
@@ -784,6 +789,10 @@ func (i *mockInvoiceRegistry) AddInvoice(invoice channeldb.Invoice,
return err
}
func (i *mockInvoiceRegistry) HodlUnsubscribeAll(subscriber chan<- interface{}) {
i.registry.HodlUnsubscribeAll(subscriber)
}
var _ InvoiceDatabase = (*mockInvoiceRegistry)(nil)
type mockSigner struct {