lntemp+itest: refactor testOptionScidAlias

lntemp/harness.go

@@ -885,24 +885,76 @@ func (h *HarnessTest) OpenChannelAssertStream(srcNode,
 }
 
 // OpenChannel attempts to open a channel with the specified parameters
-// extended from Alice to Bob. Additionally, the following items are asserted,
+// extended from Alice to Bob. Additionally, for public channels, it will mine
-//   - 6 blocks will be mined so the channel will be announced if it's public.
+// extra blocks so they are announced to the network. In specific, the
-//   - the funding transaction should be found in the first block.
+// following items are asserted,
+//   - for non-zero conf channel, 1 blocks will be mined to confirm the funding
+//     tx.
 //   - both nodes should see the channel edge update in their network graph.
 //   - both nodes can report the status of the new channel from ListChannels.
+//   - extra blocks are mined if it's a public channel.
 func (h *HarnessTest) OpenChannel(alice, bob *node.HarnessNode,
 	p OpenChannelParams) *lnrpc.ChannelPoint {
 
+	// First, open the channel without announcing it.
+	cp := h.OpenChannelNoAnnounce(alice, bob, p)
+
+	// If this is a private channel, there's no need to mine extra blocks
+	// since it will never be announced to the network.
+	if p.Private {
+		return cp
+	}
+
+	// Mine extra blocks to announce the channel.
+	if p.ZeroConf {
+		// For a zero-conf channel, no blocks have been mined so we
+		// need to mine 6 blocks.
+		//
+		// Mine 1 block to confirm the funding transaction.
+		h.MineBlocksAndAssertNumTxes(numBlocksOpenChannel, 1)
+	} else {
+		// For a regular channel, 1 block has already been mined to
+		// confirm the funding transaction, so we mine 5 blocks.
+		h.MineBlocks(numBlocksOpenChannel - 1)
+	}
+
+	return cp
+}
+
+// OpenChannelNoAnnounce attempts to open a channel with the specified
+// parameters extended from Alice to Bob without mining the necessary blocks to
+// announce the channel. Additionally, the following items are asserted,
+//   - for non-zero conf channel, 1 blocks will be mined to confirm the funding
+//     tx.
+//   - both nodes should see the channel edge update in their network graph.
+//   - both nodes can report the status of the new channel from ListChannels.
+func (h *HarnessTest) OpenChannelNoAnnounce(alice, bob *node.HarnessNode,
+	p OpenChannelParams) *lnrpc.ChannelPoint {
+
 	chanOpenUpdate := h.OpenChannelAssertStream(alice, bob, p)
 
-	// Mine 6 blocks, then wait for Alice's node to notify us that the
+	// Open a zero conf channel.
-	// channel has been opened. The funding transaction should be found
+	if p.ZeroConf {
-	// within the first newly mined block. We mine 6 blocks so that in the
+		return h.openChannelZeroConf(alice, bob, chanOpenUpdate)
-	// case that the channel is public, it is announced to the network.
+	}
-	block := h.MineBlocksAndAssertNumTxes(numBlocksOpenChannel, 1)[0]
+
+	// Open a non-zero conf channel.
+	return h.openChannel(alice, bob, chanOpenUpdate)
+}
+
+// openChannel attempts to open a channel with the specified parameters
+// extended from Alice to Bob. Additionally, the following items are asserted,
+//   - 1 block is mined and the funding transaction should be found in it.
+//   - both nodes should see the channel edge update in their network graph.
+//   - both nodes can report the status of the new channel from ListChannels.
+func (h *HarnessTest) openChannel(alice, bob *node.HarnessNode,
+	stream rpc.OpenChanClient) *lnrpc.ChannelPoint {
+
+	// Mine 1 block to confirm the funding transaction.
+	block := h.MineBlocksAndAssertNumTxes(1, 1)[0]
 
 	// Wait for the channel open event.
-	fundingChanPoint := h.WaitForChannelOpenEvent(chanOpenUpdate)
+	fundingChanPoint := h.WaitForChannelOpenEvent(stream)
 
 	// Check that the funding tx is found in the first block.
 	fundingTxID := h.GetChanPointFundingTxid(fundingChanPoint)
@@ -917,9 +969,27 @@ func (h *HarnessTest) OpenChannel(alice, bob *node.HarnessNode,
 	h.AssertChannelExists(alice, fundingChanPoint)
 	h.AssertChannelExists(bob, fundingChanPoint)
 
-	// Finally, check the blocks are synced.
+	return fundingChanPoint
-	h.WaitForBlockchainSync(alice)
+}
-	h.WaitForBlockchainSync(bob)
+
+// openChannelZeroConf attempts to open a channel with the specified parameters
+// extended from Alice to Bob. Additionally, the following items are asserted,
+//   - both nodes should see the channel edge update in their network graph.
+//   - both nodes can report the status of the new channel from ListChannels.
+func (h *HarnessTest) openChannelZeroConf(alice, bob *node.HarnessNode,
+	stream rpc.OpenChanClient) *lnrpc.ChannelPoint {
+
+	// Wait for the channel open event.
+	fundingChanPoint := h.WaitForChannelOpenEvent(stream)
+
+	// Check that both alice and bob have seen the channel from their
+	// network topology.
+	h.AssertTopologyChannelOpen(alice, fundingChanPoint)
+	h.AssertTopologyChannelOpen(bob, fundingChanPoint)
+
+	// Finally, check that the channel can be seen in their ListChannels.
+	h.AssertChannelExists(alice, fundingChanPoint)
+	h.AssertChannelExists(bob, fundingChanPoint)
 
 	return fundingChanPoint
 }

lntest/itest/list_on_test.go

@@ -421,4 +421,8 @@ var allTestCasesTemp = []*lntemp.TestCase{
 		Name:     "zero conf channel open",
 		TestFunc: testZeroConfChannelOpen,
 	},
+	{
+		Name:     "option scid alias",
+		TestFunc: testOptionScidAlias,
+	},
 }

lntest/itest/lnd_test_list_on_test.go

@@ -56,10 +56,6 @@ var allTestCases = []*testCase{
 		name: "taproot",
 		test: testTaproot,
 	},
-	{
-		name: "option scid alias",
-		test: testOptionScidAlias,
-	},
 	{
 		name: "scid alias channel update",
 		test: testUpdateChannelPolicyScidAlias,

lntest/itest/lnd_zero_conf_test.go

@@ -189,7 +189,7 @@ func testZeroConfChannelOpen(ht *lntemp.HarnessTest) {
 
 // testOptionScidAlias checks that opening an option_scid_alias channel-type
 // channel or w/o the channel-type works properly.
-func testOptionScidAlias(net *lntest.NetworkHarness, t *harnessTest) {
+func testOptionScidAlias(ht *lntemp.HarnessTest) {
 	type scidTestCase struct {
 		name string
 
@@ -220,10 +220,10 @@ func testOptionScidAlias(net *lntest.NetworkHarness, t *harnessTest) {
 
 	for _, testCase := range testCases {
 		testCase := testCase
-		success := t.t.Run(testCase.name, func(t *testing.T) {
+		success := ht.Run(testCase.name, func(t *testing.T) {
-			h := newHarnessTest(t, net)
+			st := ht.Subtest(t)
 			optionScidAliasScenario(
-				net, h, testCase.chantype, testCase.private,
+				st, testCase.chantype, testCase.private,
 			)
 		})
 		if !success {
@@ -232,110 +232,89 @@ func testOptionScidAlias(net *lntest.NetworkHarness, t *harnessTest) {
 	}
 }
 
-func optionScidAliasScenario(net *lntest.NetworkHarness, t *harnessTest,
+func optionScidAliasScenario(ht *lntemp.HarnessTest, chantype, private bool) {
-	chantype, private bool) {
-
-	ctxb := context.Background()
-
 	// Option-scid-alias is opt-in, as is anchors.
 	scidAliasArgs := []string{
 		"--protocol.option-scid-alias",
 		"--protocol.anchors",
 	}
 
-	carol := net.NewNode(t.t, "Carol", scidAliasArgs)
+	bob := ht.Bob
-	defer shutdownAndAssert(net, t, carol)
+	carol := ht.NewNode("Carol", scidAliasArgs)
-
+	dave := ht.NewNode("Dave", scidAliasArgs)
-	dave := net.NewNode(t.t, "Dave", scidAliasArgs)
-	defer shutdownAndAssert(net, t, dave)
 
 	// Ensure Bob, Carol are connected.
-	net.EnsureConnected(t.t, net.Bob, carol)
+	ht.EnsureConnected(bob, carol)
 
 	// Ensure Carol, Dave are connected.
-	net.EnsureConnected(t.t, carol, dave)
+	ht.EnsureConnected(carol, dave)
 
 	// Give Carol some coins so she can open the channel.
-	net.SendCoins(t.t, btcutil.SatoshiPerBitcoin, carol)
+	ht.FundCoins(btcutil.SatoshiPerBitcoin, carol)
 
 	chanAmt := btcutil.Amount(1_000_000)
 
-	params := lntest.OpenChannelParams{
+	params := lntemp.OpenChannelParams{
 		Amt:            chanAmt,
 		Private:        private,
 		CommitmentType: lnrpc.CommitmentType_ANCHORS,
 		ScidAlias:      chantype,
 	}
-	fundingPoint := openChannelAndAssert(t, net, carol, dave, params)
+	fundingPoint := ht.OpenChannel(carol, dave, params)
 
+	// Make sure Bob knows this channel if it's public.
 	if !private {
-		err := net.Bob.WaitForNetworkChannelOpen(fundingPoint)
+		ht.AssertTopologyChannelOpen(bob, fundingPoint)
-		require.NoError(t.t, err, "bob didn't report channel")
 	}
 
-	err := carol.WaitForNetworkChannelOpen(fundingPoint)
-	require.NoError(t.t, err, "carol didn't report channel")
-	err = dave.WaitForNetworkChannelOpen(fundingPoint)
-	require.NoError(t.t, err, "dave didn't report channel")
-
 	// Assert that a payment from Carol to Dave works as expected.
 	daveInvoiceParams := &lnrpc.Invoice{
 		Value:   int64(10_000),
 		Private: true,
 	}
-	daveInvoiceResp, err := dave.AddInvoice(ctxb, daveInvoiceParams)
+	daveInvoiceResp := dave.RPC.AddInvoice(daveInvoiceParams)
-	require.NoError(t.t, err)
+	ht.CompletePaymentRequests(
-	_ = sendAndAssertSuccess(
+		carol, []string{daveInvoiceResp.PaymentRequest},
-		t, carol, &routerrpc.SendPaymentRequest{
-			PaymentRequest: daveInvoiceResp.PaymentRequest,
-			TimeoutSeconds: 60,
-			FeeLimitMsat:   noFeeLimitMsat,
-		},
 	)
 
 	// We'll now open a regular public channel between Bob and Carol and
 	// assert that Bob can pay Dave. We'll also assert that the invoice
 	// Dave issues has the startingAlias as a hop hint.
-	fundingPoint2 := openChannelAndAssert(
+	p := lntemp.OpenChannelParams{
-		t, net, net.Bob, carol,
+		Amt: chanAmt,
-		lntest.OpenChannelParams{
+	}
-			Amt: chanAmt,
+	fundingPoint2 := ht.OpenChannel(bob, carol, p)
-		},
-	)
 
-	err = net.Bob.WaitForNetworkChannelOpen(fundingPoint2)
+	defer func() {
-	require.NoError(t.t, err)
+		// TODO(yy): remove the sleep once the following bug is fixed.
-	err = carol.WaitForNetworkChannelOpen(fundingPoint2)
+		// When the payment is reported as settled by Bob, it's
-	require.NoError(t.t, err)
+		// expected the commitment dance is finished and all subsequent
+		// states have been updated. Yet we'd receive the error `cannot
+		// co-op close channel with active htlcs` or `link failed to
+		// shutdown` if we close the channel. We need to investigate
+		// the order of settling the payments and updating commitments
+		// to understand and fix.
+		time.Sleep(2 * time.Second)
+
+		// Close standby node's channels.
+		ht.CloseChannel(bob, fundingPoint2)
+	}()
 
 	// Wait until Dave receives the Bob<->Carol channel.
-	err = dave.WaitForNetworkChannelOpen(fundingPoint2)
+	ht.AssertTopologyChannelOpen(dave, fundingPoint2)
-	require.NoError(t.t, err)
 
-	daveInvoiceResp2, err := dave.AddInvoice(ctxb, daveInvoiceParams)
+	daveInvoiceResp2 := dave.RPC.AddInvoice(daveInvoiceParams)
-	require.NoError(t.t, err)
+	decodedReq := dave.RPC.DecodePayReq(daveInvoiceResp2.PaymentRequest)
-	davePayReq := &lnrpc.PayReqString{
-		PayReq: daveInvoiceResp2.PaymentRequest,
-	}
-
-	decodedReq, err := dave.DecodePayReq(ctxb, davePayReq)
-	require.NoError(t.t, err)
 
 	if !private {
-		require.Equal(t.t, 0, len(decodedReq.RouteHints))
+		require.Len(ht, decodedReq.RouteHints, 0)
 		payReq := daveInvoiceResp2.PaymentRequest
-		_ = sendAndAssertSuccess(
+		ht.CompletePaymentRequests(bob, []string{payReq})
-			t, net.Bob, &routerrpc.SendPaymentRequest{
-				PaymentRequest: payReq,
-				TimeoutSeconds: 60,
-				FeeLimitMsat:   noFeeLimitMsat,
-			},
-		)
 		return
 	}
 
-	require.Equal(t.t, 1, len(decodedReq.RouteHints))
+	require.Len(ht, decodedReq.RouteHints, 1)
-	require.Equal(t.t, 1, len(decodedReq.RouteHints[0].HopHints))
+	require.Len(ht, decodedReq.RouteHints[0].HopHints, 1)
 
 	startingAlias := lnwire.ShortChannelID{
 		BlockHeight: 16_000_000,
@@ -344,14 +323,10 @@ func optionScidAliasScenario(net *lntest.NetworkHarness, t *harnessTest,
 	}
 
 	daveHopHint := decodedReq.RouteHints[0].HopHints[0].ChanId
-	require.Equal(t.t, startingAlias.ToUint64(), daveHopHint)
+	require.Equal(ht, startingAlias.ToUint64(), daveHopHint)
 
-	_ = sendAndAssertSuccess(
+	ht.CompletePaymentRequests(
-		t, net.Bob, &routerrpc.SendPaymentRequest{
+		bob, []string{daveInvoiceResp2.PaymentRequest},
-			PaymentRequest: daveInvoiceResp2.PaymentRequest,
-			TimeoutSeconds: 60,
-			FeeLimitMsat:   noFeeLimitMsat,
-		},
 	)
 }