7024f36a76
This commit adds Clock and DefaultClock and moves the private invoices.testClock under the clock package while adding basic unit tests for it. Clock is an interface currently encapsulating Now() and TickAfter(). It can be added as an external dependency to any class. This way tests can stub out time.Now() or time.After(). The DefaultClock class simply returns the real time.Now() and time.After().
639 lines
17 KiB
Go
639 lines
17 KiB
Go
package invoices
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import (
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"testing"
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"time"
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"github.com/lightningnetwork/lnd/channeldb"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/record"
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)
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// TestSettleInvoice tests settling of an invoice and related notifications.
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func TestSettleInvoice(t *testing.T) {
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ctx := newTestContext(t)
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defer ctx.cleanup()
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allSubscriptions := ctx.registry.SubscribeNotifications(0, 0)
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defer allSubscriptions.Cancel()
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// Subscribe to the not yet existing invoice.
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subscription, err := ctx.registry.SubscribeSingleInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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defer subscription.Cancel()
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if subscription.hash != testInvoicePaymentHash {
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t.Fatalf("expected subscription for provided hash")
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}
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// Add the invoice.
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addIdx, err := ctx.registry.AddInvoice(testInvoice, testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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if addIdx != 1 {
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t.Fatalf("expected addIndex to start with 1, but got %v",
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addIdx)
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}
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// We expect the open state to be sent to the single invoice subscriber.
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select {
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case update := <-subscription.Updates:
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if update.State != channeldb.ContractOpen {
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t.Fatalf("expected state ContractOpen, but got %v",
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update.State)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// We expect a new invoice notification to be sent out.
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select {
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case newInvoice := <-allSubscriptions.NewInvoices:
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if newInvoice.State != channeldb.ContractOpen {
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t.Fatalf("expected state ContractOpen, but got %v",
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newInvoice.State)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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hodlChan := make(chan interface{}, 1)
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// Try to settle invoice with an htlc that expires too soon.
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event, err := ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, testInvoice.Terms.Value,
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uint32(testCurrentHeight)+testInvoiceCltvDelta-1,
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testCurrentHeight, getCircuitKey(10), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatal(err)
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}
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if event.Preimage != nil {
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t.Fatal("expected cancel event")
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}
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if event.AcceptHeight != testCurrentHeight {
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t.Fatalf("expected acceptHeight %v, but got %v",
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testCurrentHeight, event.AcceptHeight)
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}
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// Settle invoice with a slightly higher amount.
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amtPaid := lnwire.MilliSatoshi(100500)
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_, err = ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatal(err)
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}
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// We expect the settled state to be sent to the single invoice
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// subscriber.
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select {
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case update := <-subscription.Updates:
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if update.State != channeldb.ContractSettled {
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t.Fatalf("expected state ContractOpen, but got %v",
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update.State)
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}
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if update.AmtPaid != amtPaid {
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t.Fatal("invoice AmtPaid incorrect")
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// We expect a settled notification to be sent out.
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select {
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case settledInvoice := <-allSubscriptions.SettledInvoices:
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if settledInvoice.State != channeldb.ContractSettled {
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t.Fatalf("expected state ContractOpen, but got %v",
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settledInvoice.State)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// Try to settle again with the same htlc id. We need this idempotent
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// behaviour after a restart.
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event, err = ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("unexpected NotifyExitHopHtlc error: %v", err)
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}
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if event.Preimage == nil {
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t.Fatal("expected settle event")
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}
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// Try to settle again with a new higher-valued htlc. This payment
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// should also be accepted, to prevent any change in behaviour for a
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// paid invoice that may open up a probe vector.
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event, err = ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid+600, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(1), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("unexpected NotifyExitHopHtlc error: %v", err)
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}
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if event.Preimage == nil {
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t.Fatal("expected settle event")
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}
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// Try to settle again with a lower amount. This should fail just as it
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// would have failed if it were the first payment.
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event, err = ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid-600, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(2), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("unexpected NotifyExitHopHtlc error: %v", err)
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}
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if event.Preimage != nil {
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t.Fatal("expected cancel event")
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}
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// Check that settled amount is equal to the sum of values of the htlcs
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// 0 and 1.
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inv, err := ctx.registry.LookupInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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if inv.AmtPaid != amtPaid+amtPaid+600 {
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t.Fatal("amount incorrect")
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}
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// Try to cancel.
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err = ctx.registry.CancelInvoice(testInvoicePaymentHash)
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if err != channeldb.ErrInvoiceAlreadySettled {
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t.Fatal("expected cancelation of a settled invoice to fail")
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}
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// As this is a direct sette, we expect nothing on the hodl chan.
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select {
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case <-hodlChan:
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t.Fatal("unexpected event")
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default:
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}
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}
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// TestCancelInvoice tests cancelation of an invoice and related notifications.
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func TestCancelInvoice(t *testing.T) {
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ctx := newTestContext(t)
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defer ctx.cleanup()
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allSubscriptions := ctx.registry.SubscribeNotifications(0, 0)
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defer allSubscriptions.Cancel()
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// Try to cancel the not yet existing invoice. This should fail.
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err := ctx.registry.CancelInvoice(testInvoicePaymentHash)
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if err != channeldb.ErrInvoiceNotFound {
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t.Fatalf("expected ErrInvoiceNotFound, but got %v", err)
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}
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// Subscribe to the not yet existing invoice.
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subscription, err := ctx.registry.SubscribeSingleInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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defer subscription.Cancel()
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if subscription.hash != testInvoicePaymentHash {
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t.Fatalf("expected subscription for provided hash")
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}
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// Add the invoice.
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amt := lnwire.MilliSatoshi(100000)
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_, err = ctx.registry.AddInvoice(testInvoice, testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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// We expect the open state to be sent to the single invoice subscriber.
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select {
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case update := <-subscription.Updates:
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if update.State != channeldb.ContractOpen {
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t.Fatalf(
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"expected state ContractOpen, but got %v",
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update.State,
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)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// We expect a new invoice notification to be sent out.
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select {
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case newInvoice := <-allSubscriptions.NewInvoices:
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if newInvoice.State != channeldb.ContractOpen {
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t.Fatalf(
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"expected state ContractOpen, but got %v",
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newInvoice.State,
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)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// Cancel invoice.
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err = ctx.registry.CancelInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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// We expect the canceled state to be sent to the single invoice
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// subscriber.
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select {
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case update := <-subscription.Updates:
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if update.State != channeldb.ContractCanceled {
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t.Fatalf(
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"expected state ContractCanceled, but got %v",
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update.State,
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)
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}
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case <-time.After(testTimeout):
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t.Fatal("no update received")
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}
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// We expect no cancel notification to be sent to all invoice
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// subscribers (backwards compatibility).
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// Try to cancel again.
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err = ctx.registry.CancelInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal("expected cancelation of a canceled invoice to succeed")
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}
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// Notify arrival of a new htlc paying to this invoice. This should
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// result in a cancel event.
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hodlChan := make(chan interface{})
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event, err := ctx.registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amt, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatal("expected settlement of a canceled invoice to succeed")
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}
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if event.Preimage != nil {
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t.Fatal("expected cancel hodl event")
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}
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if event.AcceptHeight != testCurrentHeight {
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t.Fatalf("expected acceptHeight %v, but got %v",
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testCurrentHeight, event.AcceptHeight)
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}
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}
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// TestSettleHoldInvoice tests settling of a hold invoice and related
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// notifications.
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func TestSettleHoldInvoice(t *testing.T) {
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defer timeout()()
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cdb, cleanup, err := newTestChannelDB()
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if err != nil {
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t.Fatal(err)
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}
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defer cleanup()
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// Instantiate and start the invoice ctx.registry.
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cfg := RegistryConfig{
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FinalCltvRejectDelta: testFinalCltvRejectDelta,
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}
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registry := NewRegistry(cdb, &cfg)
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err = registry.Start()
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if err != nil {
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t.Fatal(err)
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}
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defer registry.Stop()
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allSubscriptions := registry.SubscribeNotifications(0, 0)
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defer allSubscriptions.Cancel()
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// Subscribe to the not yet existing invoice.
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subscription, err := registry.SubscribeSingleInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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defer subscription.Cancel()
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if subscription.hash != testInvoicePaymentHash {
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t.Fatalf("expected subscription for provided hash")
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}
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// Add the invoice.
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_, err = registry.AddInvoice(testHodlInvoice, testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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// We expect the open state to be sent to the single invoice subscriber.
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update := <-subscription.Updates
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if update.State != channeldb.ContractOpen {
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t.Fatalf("expected state ContractOpen, but got %v",
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update.State)
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}
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// We expect a new invoice notification to be sent out.
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newInvoice := <-allSubscriptions.NewInvoices
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if newInvoice.State != channeldb.ContractOpen {
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t.Fatalf("expected state ContractOpen, but got %v",
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newInvoice.State)
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}
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// Use slightly higher amount for accept/settle.
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amtPaid := lnwire.MilliSatoshi(100500)
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hodlChan := make(chan interface{}, 1)
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// NotifyExitHopHtlc without a preimage present in the invoice registry
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// should be possible.
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event, err := registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
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}
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if event != nil {
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t.Fatalf("expected htlc to be held")
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}
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// Test idempotency.
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event, err = registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
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}
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if event != nil {
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t.Fatalf("expected htlc to be held")
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}
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// Test replay at a higher height. We expect the same result because it
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// is a replay.
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event, err = registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight+10,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
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}
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if event != nil {
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t.Fatalf("expected htlc to be held")
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}
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// Test a new htlc coming in that doesn't meet the final cltv delta
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// requirement. It should be rejected.
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event, err = registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, 1, testCurrentHeight,
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getCircuitKey(1), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
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}
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if event == nil || event.Preimage != nil {
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t.Fatalf("expected htlc to be canceled")
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}
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// We expect the accepted state to be sent to the single invoice
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// subscriber. For all invoice subscribers, we don't expect an update.
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// Those only get notified on settle.
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update = <-subscription.Updates
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if update.State != channeldb.ContractAccepted {
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t.Fatalf("expected state ContractAccepted, but got %v",
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update.State)
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}
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if update.AmtPaid != amtPaid {
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t.Fatal("invoice AmtPaid incorrect")
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}
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// Settling with preimage should succeed.
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err = registry.SettleHodlInvoice(testInvoicePreimage)
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if err != nil {
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t.Fatal("expected set preimage to succeed")
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}
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hodlEvent := (<-hodlChan).(HodlEvent)
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if *hodlEvent.Preimage != testInvoicePreimage {
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t.Fatal("unexpected preimage in hodl event")
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}
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if hodlEvent.AcceptHeight != testCurrentHeight {
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t.Fatalf("expected acceptHeight %v, but got %v",
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testCurrentHeight, event.AcceptHeight)
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}
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// We expect a settled notification to be sent out for both all and
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// single invoice subscribers.
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settledInvoice := <-allSubscriptions.SettledInvoices
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if settledInvoice.State != channeldb.ContractSettled {
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t.Fatalf("expected state ContractSettled, but got %v",
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settledInvoice.State)
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}
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if settledInvoice.AmtPaid != amtPaid {
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t.Fatalf("expected amount to be %v, but got %v",
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amtPaid, settledInvoice.AmtPaid)
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}
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update = <-subscription.Updates
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if update.State != channeldb.ContractSettled {
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t.Fatalf("expected state ContractSettled, but got %v",
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update.State)
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}
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// Idempotency.
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err = registry.SettleHodlInvoice(testInvoicePreimage)
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if err != channeldb.ErrInvoiceAlreadySettled {
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t.Fatalf("expected ErrInvoiceAlreadySettled but got %v", err)
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}
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// Try to cancel.
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err = registry.CancelInvoice(testInvoicePaymentHash)
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if err == nil {
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t.Fatal("expected cancelation of a settled invoice to fail")
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}
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}
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// TestCancelHoldInvoice tests canceling of a hold invoice and related
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// notifications.
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func TestCancelHoldInvoice(t *testing.T) {
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defer timeout()
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cdb, cleanup, err := newTestChannelDB()
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if err != nil {
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t.Fatal(err)
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}
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defer cleanup()
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// Instantiate and start the invoice ctx.registry.
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cfg := RegistryConfig{
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FinalCltvRejectDelta: testFinalCltvRejectDelta,
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}
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registry := NewRegistry(cdb, &cfg)
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err = registry.Start()
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if err != nil {
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t.Fatal(err)
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}
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defer registry.Stop()
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// Add the invoice.
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_, err = registry.AddInvoice(testHodlInvoice, testInvoicePaymentHash)
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if err != nil {
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t.Fatal(err)
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}
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amtPaid := lnwire.MilliSatoshi(100000)
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hodlChan := make(chan interface{}, 1)
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// NotifyExitHopHtlc without a preimage present in the invoice registry
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// should be possible.
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event, err := registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
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}
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if event != nil {
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t.Fatalf("expected htlc to be held")
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}
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// Cancel invoice.
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err = registry.CancelInvoice(testInvoicePaymentHash)
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if err != nil {
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t.Fatal("cancel invoice failed")
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}
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hodlEvent := (<-hodlChan).(HodlEvent)
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if hodlEvent.Preimage != nil {
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t.Fatal("expected cancel hodl event")
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}
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// Offering the same htlc again at a higher height should still result
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// in a rejection. The accept height is expected to be the original
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// accept height.
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event, err = registry.NotifyExitHopHtlc(
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testInvoicePaymentHash, amtPaid, testHtlcExpiry, testCurrentHeight+1,
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getCircuitKey(0), hodlChan, testPayload,
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)
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if err != nil {
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t.Fatalf("expected settle to succeed but got %v", err)
|
|
}
|
|
if event.Preimage != nil {
|
|
t.Fatalf("expected htlc to be canceled")
|
|
}
|
|
if event.AcceptHeight != testCurrentHeight {
|
|
t.Fatalf("expected acceptHeight %v, but got %v",
|
|
testCurrentHeight, event.AcceptHeight)
|
|
}
|
|
}
|
|
|
|
// TestUnknownInvoice tests that invoice registry returns an error when the
|
|
// invoice is unknown. This is to guard against returning a cancel hodl event
|
|
// for forwarded htlcs. In the link, NotifyExitHopHtlc is only called if we are
|
|
// the exit hop, but in htlcIncomingContestResolver it is called with forwarded
|
|
// htlc hashes as well.
|
|
func TestUnknownInvoice(t *testing.T) {
|
|
ctx := newTestContext(t)
|
|
defer ctx.cleanup()
|
|
|
|
// Notify arrival of a new htlc paying to this invoice. This should
|
|
// succeed.
|
|
hodlChan := make(chan interface{})
|
|
amt := lnwire.MilliSatoshi(100000)
|
|
_, err := ctx.registry.NotifyExitHopHtlc(
|
|
testInvoicePaymentHash, amt, testHtlcExpiry, testCurrentHeight,
|
|
getCircuitKey(0), hodlChan, testPayload,
|
|
)
|
|
if err != channeldb.ErrInvoiceNotFound {
|
|
t.Fatal("expected invoice not found error")
|
|
}
|
|
}
|
|
|
|
// TestSettleMpp tests settling of an invoice with multiple partial payments.
|
|
func TestSettleMpp(t *testing.T) {
|
|
defer timeout()
|
|
|
|
ctx := newTestContext(t)
|
|
defer ctx.cleanup()
|
|
|
|
// Add the invoice.
|
|
_, err := ctx.registry.AddInvoice(testInvoice, testInvoicePaymentHash)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
mppPayload := &mockPayload{
|
|
mpp: record.NewMPP(testInvoiceAmt, [32]byte{}),
|
|
}
|
|
|
|
// Send htlc 1.
|
|
hodlChan1 := make(chan interface{}, 1)
|
|
event, err := ctx.registry.NotifyExitHopHtlc(
|
|
testInvoicePaymentHash, testInvoice.Terms.Value/2,
|
|
testHtlcExpiry,
|
|
testCurrentHeight, getCircuitKey(10), hodlChan1, mppPayload,
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if event != nil {
|
|
t.Fatal("expected no direct resolution")
|
|
}
|
|
|
|
// Simulate mpp timeout releasing htlc 1.
|
|
ctx.clock.SetTime(testTime.Add(30 * time.Second))
|
|
|
|
hodlEvent := (<-hodlChan1).(HodlEvent)
|
|
if hodlEvent.Preimage != nil {
|
|
t.Fatal("expected cancel event")
|
|
}
|
|
|
|
// Send htlc 2.
|
|
hodlChan2 := make(chan interface{}, 1)
|
|
event, err = ctx.registry.NotifyExitHopHtlc(
|
|
testInvoicePaymentHash, testInvoice.Terms.Value/2,
|
|
testHtlcExpiry,
|
|
testCurrentHeight, getCircuitKey(11), hodlChan2, mppPayload,
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if event != nil {
|
|
t.Fatal("expected no direct resolution")
|
|
}
|
|
|
|
// Send htlc 3.
|
|
hodlChan3 := make(chan interface{}, 1)
|
|
event, err = ctx.registry.NotifyExitHopHtlc(
|
|
testInvoicePaymentHash, testInvoice.Terms.Value/2,
|
|
testHtlcExpiry,
|
|
testCurrentHeight, getCircuitKey(12), hodlChan3, mppPayload,
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if event == nil {
|
|
t.Fatal("expected a settle event")
|
|
}
|
|
|
|
// Check that settled amount is equal to the sum of values of the htlcs
|
|
// 0 and 1.
|
|
inv, err := ctx.registry.LookupInvoice(testInvoicePaymentHash)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if inv.State != channeldb.ContractSettled {
|
|
t.Fatal("expected invoice to be settled")
|
|
}
|
|
if inv.AmtPaid != testInvoice.Terms.Value {
|
|
t.Fatalf("amount incorrect, expected %v but got %v",
|
|
testInvoice.Terms.Value, inv.AmtPaid)
|
|
}
|
|
}
|