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routing: update TestSendPaymentErrorPathPruning due to recent UnknownPeer change

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In this commit, we update the TestSendPaymentErrorPathPruning test to
reflect the new behavior w.r.t how we respond to UnknownPeer errors. In
this new test, we expect that we'll find alternative route in light of
us getting an UnknownPeer error "pointing" to our destination node.
This commit is contained in:
Olaoluwa Osuntokun 2018-04-23 17:53:41 -07:00
parent bd9f1b597e
commit 76b9501e04
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GPG Key ID: 964EA263DD637C21
1 changed files with 23 additions and 9 deletions
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32
routing/router_test.go
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@ -607,20 +607,34 @@ func TestSendPaymentErrorPathPruning(t *testing.T) {
return preImage, nil return preImage, nil
} }
// The final error returned should also indicate that the peer wasn't // This shouldn't return an error, as we'll make a payment attempt via
// online (the last error we returned). // the satoshi channel based on the assumption that there might be an
_, _, err = ctx.router.SendPayment(&payment) // intermittent issue with the roasbeef <-> lioji channel.
if err == nil { paymentPreImage, route, err := ctx.router.SendPayment(&payment)
t.Fatalf("payment didn't return error") if err != nil {
t.Fatalf("unable send payment: %v", err)
} }
if !strings.Contains(err.Error(), "UnknownNextPeer") {
t.Fatalf("expected UnknownNextPeer instead got: %v", err) // This path should go: roasbeef -> satoshi -> luoji
if len(route.Hops) != 2 {
t.Fatalf("incorrect route length: expected %v got %v", 2,
len(route.Hops))
}
if !bytes.Equal(paymentPreImage[:], preImage[:]) {
t.Fatalf("incorrect preimage used: expected %x got %x",
preImage[:], paymentPreImage[:])
}
if route.Hops[0].Channel.Node.Alias != "satoshi" {
t.Fatalf("route should go through satoshi as first hop, "+
"instead passes through: %v",
route.Hops[0].Channel.Node.Alias)
} }
ctx.router.missionControl.ResetHistory() ctx.router.missionControl.ResetHistory()
// Finally, we'll modify the SendToSwitch function to indicate that the // Finally, we'll modify the SendToSwitch function to indicate that the
// roasbeef -> luoji channel has insufficient capacity. // roasbeef -> luoji channel has insufficient capacity. This should
// again cause us to instead go via the satoshi route.
ctx.router.cfg.SendToSwitch = func(n [33]byte, ctx.router.cfg.SendToSwitch = func(n [33]byte,
_ *lnwire.UpdateAddHTLC, _ *sphinx.Circuit) ([32]byte, error) { _ *lnwire.UpdateAddHTLC, _ *sphinx.Circuit) ([32]byte, error) {
if bytes.Equal(ctx.aliases["luoji"].SerializeCompressed(), n[:]) { if bytes.Equal(ctx.aliases["luoji"].SerializeCompressed(), n[:]) {
@ -635,7 +649,7 @@ func TestSendPaymentErrorPathPruning(t *testing.T) {
return preImage, nil return preImage, nil
} }
paymentPreImage, route, err := ctx.router.SendPayment(&payment) paymentPreImage, route, err = ctx.router.SendPayment(&payment)
if err != nil { if err != nil {
t.Fatalf("unable to send payment: %v", err) t.Fatalf("unable to send payment: %v", err)
} }