lsps2: add integration tests

itest/lsps2_cltv_test.go

@@ -0,0 +1,63 @@
+package itest
+
+import (
+	"log"
+	"time"
+
+	"github.com/breez/lntest"
+	"github.com/breez/lspd/lsps2"
+	"github.com/stretchr/testify/assert"
+)
+
+func testLsps2Cltv(p *testParams) {
+	alice := lntest.NewClnNode(p.h, p.m, "Alice")
+	alice.Start()
+	alice.Fund(10000000)
+	p.lsp.LightningNode().Fund(10000000)
+
+	log.Print("Opening channel between Alice and the lsp")
+	channel := alice.OpenChannel(p.lsp.LightningNode(), &lntest.OpenChannelOptions{
+		AmountSat: publicChanAmount,
+	})
+	aliceLspScid := alice.WaitForChannelReady(channel)
+
+	log.Print("Connecting bob to lspd")
+	p.BreezClient().Node().ConnectPeer(p.lsp.LightningNode())
+
+	log.Printf("Calling lsps2.get_info")
+	info := Lsps2GetInfo(p.BreezClient(), p.Lsp(), lsps2.GetInfoRequest{
+		Token: &WorkingToken,
+	})
+
+	outerAmountMsat := uint64(2100000)
+	innerAmountMsat := lsps2CalculateInnerAmountMsat(p.lsp, outerAmountMsat, info.OpeningFeeParamsMenu[0])
+	p.BreezClient().SetHtlcAcceptor(innerAmountMsat)
+
+	log.Printf("Calling lsps2.buy")
+	buyResp := Lsps2Buy(p.BreezClient(), p.Lsp(), lsps2.BuyRequest{
+		OpeningFeeParams: *info.OpeningFeeParamsMenu[0],
+		PaymentSizeMsat:  &outerAmountMsat,
+	})
+
+	log.Printf("Adding bob's invoices")
+	description := "Please pay me"
+	_, outerInvoice := GenerateLsps2Invoices(p.BreezClient(),
+		generateInvoicesRequest{
+			innerAmountMsat: innerAmountMsat,
+			outerAmountMsat: outerAmountMsat,
+			description:     description,
+			lsp:             p.lsp,
+		},
+		buyResp.JitChannelScid)
+
+	// TODO: Fix race waiting for htlc interceptor.
+	log.Printf("Waiting %v to allow htlc interceptor to activate.", htlcInterceptorDelay)
+	<-time.After(htlcInterceptorDelay)
+	log.Printf("Alice paying")
+	route := constructRoute(p.Lsp().LightningNode(), p.BreezClient().Node(), aliceLspScid, lntest.NewShortChanIDFromString(buyResp.JitChannelScid), outerAmountMsat)
+
+	// Increment the delay by one (should be incremented by 2), so the cltv delta is too little.
+	route.Hops[0].Delay++
+	_, err := alice.PayViaRoute(outerAmountMsat, outerInvoice.paymentHash, outerInvoice.paymentSecret, route)
+	assert.Contains(p.t, err.Error(), "WIRE_INCORRECT_CLTV_EXPIRY")
+}