lnd.xprv/routing/payment_session_test.go

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package routing
import (
"testing"
"github.com/lightningnetwork/lnd/channeldb"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/routing/route"
)
func TestRequestRoute(t *testing.T) {
const (
height = 10
)
findPath := func(g *graphParams, r *RestrictParams,
cfg *PathFindingConfig, source, target route.Vertex,
amt lnwire.MilliSatoshi) ([]*channeldb.ChannelEdgePolicy,
error) {
// We expect find path to receive a cltv limit excluding the
// final cltv delta (including the block padding).
if *r.CltvLimit != 22-uint32(BlockPadding) {
t.Fatal("wrong cltv limit")
}
path := []*channeldb.ChannelEdgePolicy{
{
Node: &channeldb.LightningNode{},
},
}
return path, nil
}
sessionSource := &SessionSource{
SelfNode: &channeldb.LightningNode{},
MissionControl: &MissionControl{
cfg: &MissionControlConfig{},
},
}
session := &paymentSession{
sessionSource: sessionSource,
pathFinder: findPath,
}
cltvLimit := uint32(30)
finalCltvDelta := uint16(8)
payment := &LightningPayment{
CltvLimit: &cltvLimit,
FinalCLTVDelta: finalCltvDelta,
}
route, err := session.RequestRoute(payment, height, finalCltvDelta)
if err != nil {
t.Fatal(err)
}
// We expect an absolute route lock value of height + finalCltvDelta
// + BlockPadding.
if route.TotalTimeLock != 18+uint32(BlockPadding) {
t.Fatalf("unexpected total time lock of %v",
route.TotalTimeLock)
}
}