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channeldb+routing: expose HTLCs in payment subscriptions

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This commit modifies the FetchPayment method to return MPPayment structs
converted from the legacy on-disk format. This allows us to attach the
HTLCs to the events given to clients subscribing to the outcome of an
HTLC.

This commit also bubbles up to the routerrpc/router_server, by
populating HTLCAttempts in the response and extracting the legacy route
field from the HTLCAttempts.
This commit is contained in:
Conner Fromknecht
2019-11-08 03:39:51 -08:00
parent 68916eb4b7
commit 063f24f2ed
6 changed files with 143 additions and 86 deletions
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15
channeldb/payment_control_test.go
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@@ -14,7 +14,6 @@ import (
"github.com/coreos/bbolt"
"github.com/davecgh/go-spew/spew"
"github.com/lightningnetwork/lnd/lntypes"
"github.com/lightningnetwork/lnd/routing/route"
)
func initDB() (*DB, error) {
@@ -132,16 +131,22 @@ func TestPaymentControlSwitchFail(t *testing.T) {
)
// Verifies that status was changed to StatusSucceeded.
var route *route.Route
route, err = pControl.Success(info.PaymentHash, preimg)
var payment *MPPayment
payment, err = pControl.Success(info.PaymentHash, preimg)
if err != nil {
t.Fatalf("error shouldn't have been received, got: %v", err)
}
err = assertRouteEqual(route, &attempt.Route)
if len(payment.HTLCs) != 1 {
t.Fatalf("payment should have one htlc, got: %d",
len(payment.HTLCs))
}
err = assertRouteEqual(&payment.HTLCs[0].Route, &attempt.Route)
if err != nil {
t.Fatalf("unexpected route returned: %v vs %v: %v",
spew.Sdump(attempt.Route), spew.Sdump(*route), err)
spew.Sdump(attempt.Route),
spew.Sdump(payment.HTLCs[0].Route), err)
}
assertPaymentStatus(t, db, info.PaymentHash, StatusSucceeded)