699 lines
18 KiB
Go
699 lines
18 KiB
Go
package channeldb
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import (
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"crypto/rand"
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"reflect"
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"testing"
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"time"
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"github.com/davecgh/go-spew/spew"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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var (
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emptyFeatures = lnwire.NewFeatureVector(nil, lnwire.Features)
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)
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func randInvoice(value lnwire.MilliSatoshi) (*Invoice, error) {
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var pre [32]byte
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if _, err := rand.Read(pre[:]); err != nil {
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return nil, err
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}
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i := &Invoice{
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// Use single second precision to avoid false positive test
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// failures due to the monotonic time component.
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CreationDate: time.Unix(time.Now().Unix(), 0),
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Terms: ContractTerm{
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Expiry: 4000,
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PaymentPreimage: pre,
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Value: value,
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Features: emptyFeatures,
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},
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Htlcs: map[CircuitKey]*InvoiceHTLC{},
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}
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i.Memo = []byte("memo")
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// Create a random byte slice of MaxPaymentRequestSize bytes to be used
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// as a dummy paymentrequest, and determine if it should be set based
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// on one of the random bytes.
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var r [MaxPaymentRequestSize]byte
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if _, err := rand.Read(r[:]); err != nil {
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return nil, err
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}
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if r[0]&1 == 0 {
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i.PaymentRequest = r[:]
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} else {
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i.PaymentRequest = []byte("")
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}
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return i, nil
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}
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func TestInvoiceWorkflow(t *testing.T) {
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t.Parallel()
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db, cleanUp, err := makeTestDB()
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defer cleanUp()
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if err != nil {
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t.Fatalf("unable to make test db: %v", err)
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}
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// Create a fake invoice which we'll use several times in the tests
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// below.
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fakeInvoice := &Invoice{
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// Use single second precision to avoid false positive test
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// failures due to the monotonic time component.
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CreationDate: time.Unix(time.Now().Unix(), 0),
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Htlcs: map[CircuitKey]*InvoiceHTLC{},
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}
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fakeInvoice.Memo = []byte("memo")
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fakeInvoice.PaymentRequest = []byte("")
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copy(fakeInvoice.Terms.PaymentPreimage[:], rev[:])
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fakeInvoice.Terms.Value = lnwire.NewMSatFromSatoshis(10000)
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fakeInvoice.Terms.Features = emptyFeatures
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paymentHash := fakeInvoice.Terms.PaymentPreimage.Hash()
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// Add the invoice to the database, this should succeed as there aren't
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// any existing invoices within the database with the same payment
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// hash.
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if _, err := db.AddInvoice(fakeInvoice, paymentHash); err != nil {
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t.Fatalf("unable to find invoice: %v", err)
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}
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// Attempt to retrieve the invoice which was just added to the
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// database. It should be found, and the invoice returned should be
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// identical to the one created above.
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dbInvoice, err := db.LookupInvoice(paymentHash)
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if err != nil {
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t.Fatalf("unable to find invoice: %v", err)
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}
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if !reflect.DeepEqual(*fakeInvoice, dbInvoice) {
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t.Fatalf("invoice fetched from db doesn't match original %v vs %v",
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spew.Sdump(fakeInvoice), spew.Sdump(dbInvoice))
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}
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// The add index of the invoice retrieved from the database should now
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// be fully populated. As this is the first index written to the DB,
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// the addIndex should be 1.
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if dbInvoice.AddIndex != 1 {
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t.Fatalf("wrong add index: expected %v, got %v", 1,
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dbInvoice.AddIndex)
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}
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// Settle the invoice, the version retrieved from the database should
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// now have the settled bit toggle to true and a non-default
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// SettledDate
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payAmt := fakeInvoice.Terms.Value * 2
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_, err = db.UpdateInvoice(paymentHash, getUpdateInvoice(payAmt))
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if err != nil {
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t.Fatalf("unable to settle invoice: %v", err)
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}
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dbInvoice2, err := db.LookupInvoice(paymentHash)
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if err != nil {
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t.Fatalf("unable to fetch invoice: %v", err)
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}
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if dbInvoice2.State != ContractSettled {
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t.Fatalf("invoice should now be settled but isn't")
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}
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if dbInvoice2.SettleDate.IsZero() {
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t.Fatalf("invoice should have non-zero SettledDate but isn't")
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}
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// Our 2x payment should be reflected, and also the settle index of 1
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// should also have been committed for this index.
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if dbInvoice2.AmtPaid != payAmt {
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t.Fatalf("wrong amt paid: expected %v, got %v", payAmt,
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dbInvoice2.AmtPaid)
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}
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if dbInvoice2.SettleIndex != 1 {
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t.Fatalf("wrong settle index: expected %v, got %v", 1,
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dbInvoice2.SettleIndex)
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}
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// Attempt to insert generated above again, this should fail as
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// duplicates are rejected by the processing logic.
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if _, err := db.AddInvoice(fakeInvoice, paymentHash); err != ErrDuplicateInvoice {
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t.Fatalf("invoice insertion should fail due to duplication, "+
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"instead %v", err)
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}
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// Attempt to look up a non-existent invoice, this should also fail but
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// with a "not found" error.
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var fakeHash [32]byte
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if _, err := db.LookupInvoice(fakeHash); err != ErrInvoiceNotFound {
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t.Fatalf("lookup should have failed, instead %v", err)
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}
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// Add 10 random invoices.
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const numInvoices = 10
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amt := lnwire.NewMSatFromSatoshis(1000)
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invoices := make([]*Invoice, numInvoices+1)
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invoices[0] = &dbInvoice2
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for i := 1; i < len(invoices)-1; i++ {
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invoice, err := randInvoice(amt)
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if err != nil {
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t.Fatalf("unable to create invoice: %v", err)
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}
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hash := invoice.Terms.PaymentPreimage.Hash()
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if _, err := db.AddInvoice(invoice, hash); err != nil {
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t.Fatalf("unable to add invoice %v", err)
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}
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invoices[i] = invoice
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}
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// Perform a scan to collect all the active invoices.
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dbInvoices, err := db.FetchAllInvoices(false)
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if err != nil {
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t.Fatalf("unable to fetch all invoices: %v", err)
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}
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// The retrieve list of invoices should be identical as since we're
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// using big endian, the invoices should be retrieved in ascending
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// order (and the primary key should be incremented with each
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// insertion).
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for i := 0; i < len(invoices)-1; i++ {
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if !reflect.DeepEqual(*invoices[i], dbInvoices[i]) {
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t.Fatalf("retrieved invoices don't match %v vs %v",
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spew.Sdump(invoices[i]),
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spew.Sdump(dbInvoices[i]))
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}
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}
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}
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// TestInvoiceTimeSeries tests that newly added invoices invoices, as well as
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// settled invoices are added to the database are properly placed in the add
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// add or settle index which serves as an event time series.
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func TestInvoiceAddTimeSeries(t *testing.T) {
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t.Parallel()
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db, cleanUp, err := makeTestDB()
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defer cleanUp()
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if err != nil {
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t.Fatalf("unable to make test db: %v", err)
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}
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// We'll start off by creating 20 random invoices, and inserting them
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// into the database.
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const numInvoices = 20
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amt := lnwire.NewMSatFromSatoshis(1000)
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invoices := make([]Invoice, numInvoices)
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for i := 0; i < len(invoices); i++ {
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invoice, err := randInvoice(amt)
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if err != nil {
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t.Fatalf("unable to create invoice: %v", err)
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}
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paymentHash := invoice.Terms.PaymentPreimage.Hash()
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if _, err := db.AddInvoice(invoice, paymentHash); err != nil {
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t.Fatalf("unable to add invoice %v", err)
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}
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invoices[i] = *invoice
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}
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// With the invoices constructed, we'll now create a series of queries
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// that we'll use to assert expected return values of
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// InvoicesAddedSince.
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addQueries := []struct {
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sinceAddIndex uint64
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resp []Invoice
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}{
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// If we specify a value of zero, we shouldn't get any invoices
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// back.
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{
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sinceAddIndex: 0,
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},
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// If we specify a value well beyond the number of inserted
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// invoices, we shouldn't get any invoices back.
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{
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sinceAddIndex: 99999999,
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},
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// Using an index of 1 should result in all values, but the
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// first one being returned.
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{
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sinceAddIndex: 1,
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resp: invoices[1:],
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},
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// If we use an index of 10, then we should retrieve the
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// reaming 10 invoices.
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{
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sinceAddIndex: 10,
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resp: invoices[10:],
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},
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}
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for i, query := range addQueries {
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resp, err := db.InvoicesAddedSince(query.sinceAddIndex)
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if err != nil {
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t.Fatalf("unable to query: %v", err)
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}
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if !reflect.DeepEqual(query.resp, resp) {
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t.Fatalf("test #%v: expected %v, got %v", i,
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spew.Sdump(query.resp), spew.Sdump(resp))
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}
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}
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// We'll now only settle the latter half of each of those invoices.
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for i := 10; i < len(invoices); i++ {
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invoice := &invoices[i]
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paymentHash := invoice.Terms.PaymentPreimage.Hash()
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_, err := db.UpdateInvoice(
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paymentHash, getUpdateInvoice(0),
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)
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if err != nil {
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t.Fatalf("unable to settle invoice: %v", err)
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}
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}
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invoices, err = db.FetchAllInvoices(false)
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if err != nil {
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t.Fatalf("unable to fetch invoices: %v", err)
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}
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// We'll slice off the first 10 invoices, as we only settled the last
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// 10.
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invoices = invoices[10:]
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// We'll now prepare an additional set of queries to ensure the settle
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// time series has properly been maintained in the database.
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settleQueries := []struct {
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sinceSettleIndex uint64
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resp []Invoice
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}{
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// If we specify a value of zero, we shouldn't get any settled
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// invoices back.
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{
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sinceSettleIndex: 0,
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},
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// If we specify a value well beyond the number of settled
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// invoices, we shouldn't get any invoices back.
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{
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sinceSettleIndex: 99999999,
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},
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// Using an index of 1 should result in the final 10 invoices
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// being returned, as we only settled those.
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{
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sinceSettleIndex: 1,
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resp: invoices[1:],
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},
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}
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for i, query := range settleQueries {
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resp, err := db.InvoicesSettledSince(query.sinceSettleIndex)
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if err != nil {
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t.Fatalf("unable to query: %v", err)
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}
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if !reflect.DeepEqual(query.resp, resp) {
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t.Fatalf("test #%v: expected %v, got %v", i,
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spew.Sdump(query.resp), spew.Sdump(resp))
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}
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}
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}
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// TestDuplicateSettleInvoice tests that if we add a new invoice and settle it
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// twice, then the second time we also receive the invoice that we settled as a
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// return argument.
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func TestDuplicateSettleInvoice(t *testing.T) {
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t.Parallel()
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db, cleanUp, err := makeTestDB()
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defer cleanUp()
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if err != nil {
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t.Fatalf("unable to make test db: %v", err)
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}
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db.Now = func() time.Time { return time.Unix(1, 0) }
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// We'll start out by creating an invoice and writing it to the DB.
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amt := lnwire.NewMSatFromSatoshis(1000)
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invoice, err := randInvoice(amt)
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if err != nil {
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t.Fatalf("unable to create invoice: %v", err)
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}
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payHash := invoice.Terms.PaymentPreimage.Hash()
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if _, err := db.AddInvoice(invoice, payHash); err != nil {
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t.Fatalf("unable to add invoice %v", err)
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}
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// With the invoice in the DB, we'll now attempt to settle the invoice.
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dbInvoice, err := db.UpdateInvoice(
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payHash, getUpdateInvoice(amt),
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)
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if err != nil {
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t.Fatalf("unable to settle invoice: %v", err)
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}
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// We'll update what we expect the settle invoice to be so that our
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// comparison below has the correct assumption.
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invoice.SettleIndex = 1
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invoice.State = ContractSettled
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invoice.AmtPaid = amt
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invoice.SettleDate = dbInvoice.SettleDate
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invoice.Htlcs = map[CircuitKey]*InvoiceHTLC{
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{}: {
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Amt: amt,
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AcceptTime: time.Unix(1, 0),
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ResolveTime: time.Unix(1, 0),
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State: HtlcStateSettled,
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},
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}
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// We should get back the exact same invoice that we just inserted.
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if !reflect.DeepEqual(dbInvoice, invoice) {
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t.Fatalf("wrong invoice after settle, expected %v got %v",
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spew.Sdump(invoice), spew.Sdump(dbInvoice))
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}
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// If we try to settle the invoice again, then we should get the very
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// same invoice back, but with an error this time.
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dbInvoice, err = db.UpdateInvoice(
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payHash, getUpdateInvoice(amt),
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)
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if err != ErrInvoiceAlreadySettled {
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t.Fatalf("expected ErrInvoiceAlreadySettled")
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}
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if dbInvoice == nil {
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t.Fatalf("invoice from db is nil after settle!")
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}
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invoice.SettleDate = dbInvoice.SettleDate
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if !reflect.DeepEqual(dbInvoice, invoice) {
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t.Fatalf("wrong invoice after second settle, expected %v got %v",
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spew.Sdump(invoice), spew.Sdump(dbInvoice))
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}
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}
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// TestQueryInvoices ensures that we can properly query the invoice database for
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// invoices using different types of queries.
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func TestQueryInvoices(t *testing.T) {
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t.Parallel()
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db, cleanUp, err := makeTestDB()
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defer cleanUp()
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if err != nil {
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t.Fatalf("unable to make test db: %v", err)
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}
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// To begin the test, we'll add 50 invoices to the database. We'll
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// assume that the index of the invoice within the database is the same
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// as the amount of the invoice itself.
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const numInvoices = 50
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for i := lnwire.MilliSatoshi(1); i <= numInvoices; i++ {
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invoice, err := randInvoice(i)
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if err != nil {
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t.Fatalf("unable to create invoice: %v", err)
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}
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paymentHash := invoice.Terms.PaymentPreimage.Hash()
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if _, err := db.AddInvoice(invoice, paymentHash); err != nil {
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t.Fatalf("unable to add invoice: %v", err)
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}
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// We'll only settle half of all invoices created.
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if i%2 == 0 {
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_, err := db.UpdateInvoice(
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paymentHash, getUpdateInvoice(i),
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)
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if err != nil {
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t.Fatalf("unable to settle invoice: %v", err)
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}
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}
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}
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// We'll then retrieve the set of all invoices and pending invoices.
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// This will serve useful when comparing the expected responses of the
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// query with the actual ones.
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invoices, err := db.FetchAllInvoices(false)
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if err != nil {
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t.Fatalf("unable to retrieve invoices: %v", err)
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}
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pendingInvoices, err := db.FetchAllInvoices(true)
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if err != nil {
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t.Fatalf("unable to retrieve pending invoices: %v", err)
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}
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// The test will consist of several queries along with their respective
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// expected response. Each query response should match its expected one.
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testCases := []struct {
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query InvoiceQuery
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expected []Invoice
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}{
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// Fetch all invoices with a single query.
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{
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query: InvoiceQuery{
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NumMaxInvoices: numInvoices,
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},
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expected: invoices,
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},
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// Fetch all invoices with a single query, reversed.
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{
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query: InvoiceQuery{
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Reversed: true,
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NumMaxInvoices: numInvoices,
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},
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expected: invoices,
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},
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// Fetch the first 25 invoices.
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{
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query: InvoiceQuery{
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NumMaxInvoices: numInvoices / 2,
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},
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expected: invoices[:numInvoices/2],
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},
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// Fetch the first 10 invoices, but this time iterating
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// backwards.
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{
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query: InvoiceQuery{
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IndexOffset: 11,
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Reversed: true,
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NumMaxInvoices: numInvoices,
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},
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expected: invoices[:10],
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},
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// Fetch the last 40 invoices.
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{
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query: InvoiceQuery{
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IndexOffset: 10,
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NumMaxInvoices: numInvoices,
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},
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expected: invoices[10:],
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},
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// Fetch all but the first invoice.
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{
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query: InvoiceQuery{
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IndexOffset: 1,
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NumMaxInvoices: numInvoices,
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},
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expected: invoices[1:],
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},
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// Fetch one invoice, reversed, with index offset 3. This
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// should give us the second invoice in the array.
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{
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query: InvoiceQuery{
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IndexOffset: 3,
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Reversed: true,
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NumMaxInvoices: 1,
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},
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expected: invoices[1:2],
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},
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// Same as above, at index 2.
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{
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query: InvoiceQuery{
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IndexOffset: 2,
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Reversed: true,
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NumMaxInvoices: 1,
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},
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expected: invoices[0:1],
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},
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// Fetch one invoice, at index 1, reversed. Since invoice#1 is
|
|
// the very first, there won't be any left in a reverse search,
|
|
// so we expect no invoices to be returned.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 1,
|
|
Reversed: true,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: nil,
|
|
},
|
|
// Same as above, but don't restrict the number of invoices to
|
|
// 1.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 1,
|
|
Reversed: true,
|
|
NumMaxInvoices: numInvoices,
|
|
},
|
|
expected: nil,
|
|
},
|
|
// Fetch one invoice, reversed, with no offset set. We expect
|
|
// the last invoice in the response.
|
|
{
|
|
query: InvoiceQuery{
|
|
Reversed: true,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[numInvoices-1:],
|
|
},
|
|
// Fetch one invoice, reversed, the offset set at numInvoices+1.
|
|
// We expect this to return the last invoice.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: numInvoices + 1,
|
|
Reversed: true,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[numInvoices-1:],
|
|
},
|
|
// Same as above, at offset numInvoices.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: numInvoices,
|
|
Reversed: true,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[numInvoices-2 : numInvoices-1],
|
|
},
|
|
// Fetch one invoice, at no offset (same as offset 0). We
|
|
// expect the first invoice only in the response.
|
|
{
|
|
query: InvoiceQuery{
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[:1],
|
|
},
|
|
// Same as above, at offset 1.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 1,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[1:2],
|
|
},
|
|
// Same as above, at offset 2.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 2,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[2:3],
|
|
},
|
|
// Same as above, at offset numInvoices-1. Expect the last
|
|
// invoice to be returned.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: numInvoices - 1,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: invoices[numInvoices-1:],
|
|
},
|
|
// Same as above, at offset numInvoices. No invoices should be
|
|
// returned, as there are no invoices after this offset.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: numInvoices,
|
|
NumMaxInvoices: 1,
|
|
},
|
|
expected: nil,
|
|
},
|
|
// Fetch all pending invoices with a single query.
|
|
{
|
|
query: InvoiceQuery{
|
|
PendingOnly: true,
|
|
NumMaxInvoices: numInvoices,
|
|
},
|
|
expected: pendingInvoices,
|
|
},
|
|
// Fetch the first 12 pending invoices.
|
|
{
|
|
query: InvoiceQuery{
|
|
PendingOnly: true,
|
|
NumMaxInvoices: numInvoices / 4,
|
|
},
|
|
expected: pendingInvoices[:len(pendingInvoices)/2],
|
|
},
|
|
// Fetch the first 5 pending invoices, but this time iterating
|
|
// backwards.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 10,
|
|
PendingOnly: true,
|
|
Reversed: true,
|
|
NumMaxInvoices: numInvoices,
|
|
},
|
|
// Since we seek to the invoice with index 10 and
|
|
// iterate backwards, there should only be 5 pending
|
|
// invoices before it as every other invoice within the
|
|
// index is settled.
|
|
expected: pendingInvoices[:5],
|
|
},
|
|
// Fetch the last 15 invoices.
|
|
{
|
|
query: InvoiceQuery{
|
|
IndexOffset: 20,
|
|
PendingOnly: true,
|
|
NumMaxInvoices: numInvoices,
|
|
},
|
|
// Since we seek to the invoice with index 20, there are
|
|
// 30 invoices left. From these 30, only 15 of them are
|
|
// still pending.
|
|
expected: pendingInvoices[len(pendingInvoices)-15:],
|
|
},
|
|
}
|
|
|
|
for i, testCase := range testCases {
|
|
response, err := db.QueryInvoices(testCase.query)
|
|
if err != nil {
|
|
t.Fatalf("unable to query invoice database: %v", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(response.Invoices, testCase.expected) {
|
|
t.Fatalf("test #%d: query returned incorrect set of "+
|
|
"invoices: expcted %v, got %v", i,
|
|
spew.Sdump(response.Invoices),
|
|
spew.Sdump(testCase.expected))
|
|
}
|
|
}
|
|
}
|
|
|
|
// getUpdateInvoice returns an invoice update callback that, when called,
|
|
// settles the invoice with the given amount.
|
|
func getUpdateInvoice(amt lnwire.MilliSatoshi) InvoiceUpdateCallback {
|
|
return func(invoice *Invoice) (*InvoiceUpdateDesc, error) {
|
|
if invoice.State == ContractSettled {
|
|
return nil, ErrInvoiceAlreadySettled
|
|
}
|
|
|
|
update := &InvoiceUpdateDesc{
|
|
Preimage: invoice.Terms.PaymentPreimage,
|
|
State: ContractSettled,
|
|
Htlcs: map[CircuitKey]*HtlcAcceptDesc{
|
|
{}: {
|
|
Amt: amt,
|
|
},
|
|
},
|
|
}
|
|
|
|
return update, nil
|
|
}
|
|
}
|