lnd_test: adds switch offline delivery outgoing offline itest
This commit is contained in:
Conner Fromknecht
parent
4bff32232c
commit
38b04ec357
249
lnd_test.go
249
lnd_test.go
@ -7488,6 +7488,251 @@ func testSwitchOfflineDeliveryPersistence(net *lntest.NetworkHarness, t *harness
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}
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}
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// testSwitchOfflineDeliveryOutgoingOffline constructs a set of multihop payments,
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// and tests that the returning payments are not lost if a peer on the backwards
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// path is offline when the settle/fails are received AND the peer buffering the
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// responses is completely restarts. We expect the payments to be reloaded from
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// disk, and transmitted as soon as the intermediaries are reconnected.
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//
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// The general flow of this test:
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// 1. Carol --> Dave --> Alice --> Bob forward payment
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// 2. Carol --- Dave X Alice --- Bob disconnect intermediaries
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// 3. Carol --- Dave X Alice <-- Bob settle last hop
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// 4. Carol --- Dave X X Bob restart Alice
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// 5. Carol <-- Dave <-- Alice --- Bob expect settle to propagate
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func testSwitchOfflineDeliveryOutgoingOffline(
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net *lntest.NetworkHarness, t *harnessTest) {
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const chanAmt = btcutil.Amount(100000)
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const pushAmt = btcutil.Amount(90000)
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ctxb := context.Background()
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timeout := time.Duration(time.Second * 15)
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var networkChans []*lnrpc.ChannelPoint
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// Open a channel with 100k satoshis between Alice and Bob with Alice
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// being the sole funder of the channel.
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ctxt, _ := context.WithTimeout(ctxb, timeout)
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chanPointAlice := openChannelAndAssert(ctxt, t, net, net.Alice,
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net.Bob, chanAmt, pushAmt)
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networkChans = append(networkChans, chanPointAlice)
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txidHash, err := getChanPointFundingTxid(chanPointAlice)
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if err != nil {
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t.Fatalf("unable to get txid: %v", err)
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}
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aliceChanTXID, err := chainhash.NewHash(txidHash)
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if err != nil {
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t.Fatalf("unable to create sha hash: %v", err)
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}
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aliceFundPoint := wire.OutPoint{
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Hash: *aliceChanTXID,
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Index: chanPointAlice.OutputIndex,
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}
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// As preliminary setup, we'll create two new nodes: Carol and Dave,
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// such that we now have a 4 ndoe, 3 channel topology. Dave will make
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// a channel with Alice, and Carol with Dave. After this setup, the
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// network topology should now look like:
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// Carol -> Dave -> Alice -> Bob
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//
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// First, we'll create Dave and establish a channel to Alice.
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dave, err := net.NewNode([]string{"--unsafe-disconnect"})
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if err != nil {
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t.Fatalf("unable to create new nodes: %v", err)
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}
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if err := net.ConnectNodes(ctxb, dave, net.Alice); err != nil {
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t.Fatalf("unable to connect dave to alice: %v", err)
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}
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err = net.SendCoins(ctxb, btcutil.SatoshiPerBitcoin, dave)
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if err != nil {
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t.Fatalf("unable to send coins to dave: %v", err)
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}
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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chanPointDave := openChannelAndAssert(ctxt, t, net, dave,
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net.Alice, chanAmt, pushAmt)
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networkChans = append(networkChans, chanPointDave)
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txidHash, err = getChanPointFundingTxid(chanPointDave)
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if err != nil {
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t.Fatalf("unable to get txid: %v", err)
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}
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daveChanTXID, err := chainhash.NewHash(txidHash)
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if err != nil {
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t.Fatalf("unable to create sha hash: %v", err)
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}
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daveFundPoint := wire.OutPoint{
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Hash: *daveChanTXID,
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Index: chanPointDave.OutputIndex,
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}
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// Next, we'll create Carol and establish a channel to from her to
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// Dave. Carol is started in htlchodl mode so that we can disconnect the
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// intermediary hops before starting the settle.
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carol, err := net.NewNode([]string{"--debughtlc", "--hodlhtlc"})
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if err != nil {
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t.Fatalf("unable to create new nodes: %v", err)
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}
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if err := net.ConnectNodes(ctxb, carol, dave); err != nil {
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t.Fatalf("unable to connect carol to dave: %v", err)
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}
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err = net.SendCoins(ctxb, btcutil.SatoshiPerBitcoin, carol)
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if err != nil {
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t.Fatalf("unable to send coins to carol: %v", err)
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}
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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chanPointCarol := openChannelAndAssert(ctxt, t, net, carol,
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dave, chanAmt, pushAmt)
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networkChans = append(networkChans, chanPointCarol)
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txidHash, err = getChanPointFundingTxid(chanPointCarol)
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if err != nil {
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t.Fatalf("unable to get txid: %v", err)
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}
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carolChanTXID, err := chainhash.NewHash(txidHash)
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if err != nil {
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t.Fatalf("unable to create sha hash: %v", err)
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}
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carolFundPoint := wire.OutPoint{
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Hash: *carolChanTXID,
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Index: chanPointCarol.OutputIndex,
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}
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// Wait for all nodes to have seen all channels.
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nodes := []*lntest.HarnessNode{net.Alice, net.Bob, carol, dave}
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nodeNames := []string{"Alice", "Bob", "Carol", "Dave"}
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for _, chanPoint := range networkChans {
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for i, node := range nodes {
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txidHash, err := getChanPointFundingTxid(chanPoint)
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if err != nil {
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t.Fatalf("unable to get txid: %v", err)
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}
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txid, e := chainhash.NewHash(txidHash)
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if e != nil {
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t.Fatalf("unable to create sha hash: %v", e)
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}
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point := wire.OutPoint{
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Hash: *txid,
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Index: chanPoint.OutputIndex,
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}
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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err = node.WaitForNetworkChannelOpen(ctxt, chanPoint)
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if err != nil {
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t.Fatalf("%s(%d): timeout waiting for "+
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"channel(%s) open: %v", nodeNames[i],
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node.NodeID, point, err)
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}
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}
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}
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// Create 5 invoices for Carol, which expect a payment from Bob for 1k
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// satoshis with a different preimage each time.
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const numPayments = 5
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const paymentAmt = 1000
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payReqs := make([]string, numPayments)
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for i := 0; i < numPayments; i++ {
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invoice := &lnrpc.Invoice{
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Memo: "testing",
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Value: paymentAmt,
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}
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resp, err := carol.AddInvoice(ctxb, invoice)
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if err != nil {
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t.Fatalf("unable to add invoice: %v", err)
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}
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payReqs[i] = resp.PaymentRequest
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}
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// We'll wait for all parties to recognize the new channels within the
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// network.
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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err = dave.WaitForNetworkChannelOpen(ctxt, chanPointDave)
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if err != nil {
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t.Fatalf("dave didn't advertise his channel: %v", err)
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}
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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err = carol.WaitForNetworkChannelOpen(ctxt, chanPointCarol)
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if err != nil {
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t.Fatalf("carol didn't advertise her channel in time: %v",
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err)
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}
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time.Sleep(time.Millisecond * 50)
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// Using Carol as the source, pay to the 5 invoices from Bob created
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// above.
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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err = completePaymentRequests(ctxt, net.Bob, payReqs, false)
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if err != nil {
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t.Fatalf("unable to send payments: %v", err)
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}
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time.Sleep(2 * time.Second)
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// Restart the intermediaries and the sender.
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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if err := net.DisconnectNodes(ctxt, dave, net.Alice); err != nil {
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t.Fatalf("unable to disconnect alice from dave: %v", err)
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}
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// Now restart carol without hodl mode, to settle back the outstanding
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// payments.
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carol.SetExtraArgs(nil)
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if err := net.RestartNode(carol, nil); err != nil {
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t.Fatalf("Node restart failed: %v", err)
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}
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time.Sleep(200 * time.Millisecond)
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const amountPaid = int64(5000)
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assertAmountPaid(t, ctxb, "Dave(local) => Carol(remote)", carol,
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carolFundPoint, int64(0), amountPaid)
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assertAmountPaid(t, ctxb, "Dave(local) => Carol(remote)", dave,
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carolFundPoint, amountPaid, int64(0))
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if err := net.ShutdownNode(carol); err != nil {
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t.Fatalf("unable to shutdown carol: %v", err)
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}
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if err := net.RestartNode(dave, nil); err != nil {
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t.Fatalf("unable to reconnect alice to dave: %v", err)
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}
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time.Sleep(200 * time.Millisecond)
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// When asserting the amount of satoshis moved, we'll factor in the
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// default base fee, as we didn't modify the fee structure when
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// creating the seed nodes in the network.
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const baseFee = 1
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// At this point all the channels within our proto network should be
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// shifted by 5k satoshis in the direction of Carol, the sink within the
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// payment flow generated above. The order of asserts corresponds to
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// increasing of time is needed to embed the HTLC in commitment
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// transaction, in channel Bob->Alice->David->Carol, order is Carol,
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// David, Alice, Bob.
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assertAmountPaid(t, ctxb, "Alice(local) => Dave(remote)", dave,
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daveFundPoint, int64(0), amountPaid+(baseFee*numPayments))
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assertAmountPaid(t, ctxb, "Alice(local) => Dave(remote)", net.Alice,
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daveFundPoint, amountPaid+(baseFee*numPayments), int64(0))
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assertAmountPaid(t, ctxb, "Bob(local) => Alice(remote)", net.Alice,
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aliceFundPoint, int64(0), amountPaid+((baseFee*numPayments)*2))
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assertAmountPaid(t, ctxb, "Bob(local) => Alice(remote)", net.Bob,
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aliceFundPoint, amountPaid+(baseFee*numPayments)*2, int64(0))
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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closeChannelAndAssert(ctxt, t, net, net.Alice, chanPointAlice, false)
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ctxt, _ = context.WithTimeout(ctxb, timeout)
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closeChannelAndAssert(ctxt, t, net, dave, chanPointDave, false)
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// Finally, shutdown the nodes we created for the duration of the tests,
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// only leaving the two seed nodes (Alice and Bob) within our test
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// network.
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if err := net.ShutdownNode(dave); err != nil {
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t.Fatalf("unable to shutdown dave: %v", err)
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}
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}
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type testCase struct {
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name string
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test func(net *lntest.NetworkHarness, t *harnessTest)
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@ -7643,6 +7888,10 @@ var testsCases = []*testCase{
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name: "switch offline delivery persistence",
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test: testSwitchOfflineDeliveryPersistence,
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},
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{
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name: "switch offline delivery outgoing offline",
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test: testSwitchOfflineDeliveryOutgoingOffline,
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},
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}
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// TestLightningNetworkDaemon performs a series of integration tests amongst a
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