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multi: replace htlcResolution with an interface

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This commit repalces the htlcResolution struct with an interface.
This interface is implemeted by failure, settle and accept resolution
structs. Only settles and fails are exported because the existing
code that handles htlc resolutions uses a nil resolution to indicate
that a htlc was accepted. The accept resolution is used internally
to report on the resolution result of the accepted htlc, but a nil
resolution is surfaced. Further refactoring of all the functions
that call NotifyExitHopHtlc to handle a htlc accept case (rather than
having a nil check) is required.
This commit is contained in:
carla
2020-02-06 19:35:10 +02:00
parent 2cd26d7556
commit 2569b4d08a
11 changed files with 477 additions and 257 deletions
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2
htlcswitch/mock.go
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@ -816,7 +816,7 @@ func (i *mockInvoiceRegistry) SettleHodlInvoice(preimage lntypes.Preimage) error
func (i *mockInvoiceRegistry) NotifyExitHopHtlc(rhash lntypes.Hash,
amt lnwire.MilliSatoshi, expiry uint32, currentHeight int32,
circuitKey channeldb.CircuitKey, hodlChan chan<- interface{},
payload invoices.Payload) (*invoices.HtlcResolution, error) {
payload invoices.Payload) (invoices.HtlcResolution, error) {
event, err := i.registry.NotifyExitHopHtlc(
rhash, amt, expiry, currentHeight, circuitKey, hodlChan,