mirror of
https://github.com/lightningnetwork/lnd.git
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cbce8e8872
This commit moves makeTestDB to db.go and exports it so that we'll be able to use this function in other unit tests to make them testable with etcd if needed.
715 lines
18 KiB
Go
715 lines
18 KiB
Go
package channeldb
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import (
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"bytes"
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"fmt"
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"math"
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"reflect"
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"testing"
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"time"
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"github.com/btcsuite/btcd/btcec"
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"github.com/btcsuite/btcwallet/walletdb"
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"github.com/davecgh/go-spew/spew"
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"github.com/lightningnetwork/lnd/channeldb/kvdb"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/record"
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"github.com/lightningnetwork/lnd/routing/route"
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"github.com/stretchr/testify/require"
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)
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var (
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priv, _ = btcec.NewPrivateKey(btcec.S256())
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pub = priv.PubKey()
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testHop1 = &route.Hop{
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PubKeyBytes: route.NewVertex(pub),
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ChannelID: 12345,
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OutgoingTimeLock: 111,
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AmtToForward: 555,
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CustomRecords: record.CustomSet{
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65536: []byte{},
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80001: []byte{},
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},
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MPP: record.NewMPP(32, [32]byte{0x42}),
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}
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testHop2 = &route.Hop{
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PubKeyBytes: route.NewVertex(pub),
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ChannelID: 12345,
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OutgoingTimeLock: 111,
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AmtToForward: 555,
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LegacyPayload: true,
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}
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testRoute = route.Route{
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TotalTimeLock: 123,
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TotalAmount: 1234567,
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SourcePubKey: route.NewVertex(pub),
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Hops: []*route.Hop{
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testHop2,
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testHop1,
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},
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}
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)
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func makeFakeInfo() (*PaymentCreationInfo, *HTLCAttemptInfo) {
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var preimg lntypes.Preimage
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copy(preimg[:], rev[:])
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c := &PaymentCreationInfo{
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PaymentHash: preimg.Hash(),
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Value: 1000,
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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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CreationTime: time.Unix(time.Now().Unix(), 0),
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PaymentRequest: []byte(""),
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}
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a := &HTLCAttemptInfo{
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AttemptID: 44,
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SessionKey: priv,
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Route: testRoute,
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AttemptTime: time.Unix(100, 0),
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}
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return c, a
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}
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func TestSentPaymentSerialization(t *testing.T) {
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t.Parallel()
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c, s := makeFakeInfo()
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var b bytes.Buffer
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if err := serializePaymentCreationInfo(&b, c); err != nil {
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t.Fatalf("unable to serialize creation info: %v", err)
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}
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newCreationInfo, err := deserializePaymentCreationInfo(&b)
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if err != nil {
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t.Fatalf("unable to deserialize creation info: %v", err)
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}
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if !reflect.DeepEqual(c, newCreationInfo) {
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t.Fatalf("Payments do not match after "+
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"serialization/deserialization %v vs %v",
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spew.Sdump(c), spew.Sdump(newCreationInfo),
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)
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}
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b.Reset()
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if err := serializeHTLCAttemptInfo(&b, s); err != nil {
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t.Fatalf("unable to serialize info: %v", err)
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}
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newWireInfo, err := deserializeHTLCAttemptInfo(&b)
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if err != nil {
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t.Fatalf("unable to deserialize info: %v", err)
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}
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newWireInfo.AttemptID = s.AttemptID
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// First we verify all the records match up porperly, as they aren't
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// able to be properly compared using reflect.DeepEqual.
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err = assertRouteEqual(&s.Route, &newWireInfo.Route)
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if err != nil {
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t.Fatalf("Routes do not match after "+
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"serialization/deserialization: %v", err)
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}
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// Clear routes to allow DeepEqual to compare the remaining fields.
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newWireInfo.Route = route.Route{}
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s.Route = route.Route{}
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if !reflect.DeepEqual(s, newWireInfo) {
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s.SessionKey.Curve = nil
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newWireInfo.SessionKey.Curve = nil
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t.Fatalf("Payments do not match after "+
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"serialization/deserialization %v vs %v",
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spew.Sdump(s), spew.Sdump(newWireInfo),
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)
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}
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}
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// assertRouteEquals compares to routes for equality and returns an error if
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// they are not equal.
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func assertRouteEqual(a, b *route.Route) error {
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if !reflect.DeepEqual(a, b) {
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return fmt.Errorf("HTLCAttemptInfos don't match: %v vs %v",
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spew.Sdump(a), spew.Sdump(b))
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}
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return nil
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}
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func TestRouteSerialization(t *testing.T) {
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t.Parallel()
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var b bytes.Buffer
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if err := SerializeRoute(&b, testRoute); err != nil {
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t.Fatal(err)
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}
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r := bytes.NewReader(b.Bytes())
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route2, err := DeserializeRoute(r)
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if err != nil {
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t.Fatal(err)
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}
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// First we verify all the records match up porperly, as they aren't
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// able to be properly compared using reflect.DeepEqual.
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err = assertRouteEqual(&testRoute, &route2)
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if err != nil {
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t.Fatalf("routes not equal: \n%v vs \n%v",
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spew.Sdump(testRoute), spew.Sdump(route2))
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}
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}
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// deletePayment removes a payment with paymentHash from the payments database.
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func deletePayment(t *testing.T, db *DB, paymentHash lntypes.Hash, seqNr uint64) {
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t.Helper()
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err := kvdb.Update(db, func(tx kvdb.RwTx) error {
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payments := tx.ReadWriteBucket(paymentsRootBucket)
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// Delete the payment bucket.
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err := payments.DeleteNestedBucket(paymentHash[:])
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if err != nil {
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return err
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}
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key := make([]byte, 8)
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byteOrder.PutUint64(key, seqNr)
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// Delete the index that references this payment.
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indexes := tx.ReadWriteBucket(paymentsIndexBucket)
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return indexes.Delete(key)
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})
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if err != nil {
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t.Fatalf("could not delete "+
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"payment: %v", err)
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}
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}
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// TestQueryPayments tests retrieval of payments with forwards and reversed
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// queries.
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func TestQueryPayments(t *testing.T) {
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// Define table driven test for QueryPayments.
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// Test payments have sequence indices [1, 3, 4, 5, 6, 7].
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// Note that the payment with index 7 has the same payment hash as 6,
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// and is stored in a nested bucket within payment 6 rather than being
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// its own entry in the payments bucket. We do this to test retrieval
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// of legacy payments.
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tests := []struct {
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name string
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query PaymentsQuery
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firstIndex uint64
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lastIndex uint64
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// expectedSeqNrs contains the set of sequence numbers we expect
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// our query to return.
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expectedSeqNrs []uint64
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}{
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{
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name: "IndexOffset at the end of the payments range",
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query: PaymentsQuery{
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IndexOffset: 7,
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MaxPayments: 7,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 0,
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lastIndex: 0,
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expectedSeqNrs: nil,
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},
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{
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name: "query in forwards order, start at beginning",
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query: PaymentsQuery{
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IndexOffset: 0,
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MaxPayments: 2,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 3,
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expectedSeqNrs: []uint64{1, 3},
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},
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{
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name: "query in forwards order, start at end, overflow",
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query: PaymentsQuery{
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IndexOffset: 6,
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MaxPayments: 2,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 7,
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lastIndex: 7,
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expectedSeqNrs: []uint64{7},
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},
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{
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name: "start at offset index outside of payments",
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query: PaymentsQuery{
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IndexOffset: 20,
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MaxPayments: 2,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 0,
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lastIndex: 0,
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expectedSeqNrs: nil,
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},
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{
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name: "overflow in forwards order",
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query: PaymentsQuery{
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IndexOffset: 4,
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MaxPayments: math.MaxUint64,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 5,
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lastIndex: 7,
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expectedSeqNrs: []uint64{5, 6, 7},
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},
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{
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name: "start at offset index outside of payments, " +
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"reversed order",
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query: PaymentsQuery{
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IndexOffset: 9,
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MaxPayments: 2,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 6,
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lastIndex: 7,
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expectedSeqNrs: []uint64{6, 7},
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},
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{
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name: "query in reverse order, start at end",
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query: PaymentsQuery{
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IndexOffset: 0,
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MaxPayments: 2,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 6,
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lastIndex: 7,
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expectedSeqNrs: []uint64{6, 7},
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},
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{
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name: "query in reverse order, starting in middle",
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query: PaymentsQuery{
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IndexOffset: 4,
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MaxPayments: 2,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 3,
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expectedSeqNrs: []uint64{1, 3},
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},
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{
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name: "query in reverse order, starting in middle, " +
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"with underflow",
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query: PaymentsQuery{
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IndexOffset: 4,
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MaxPayments: 5,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 3,
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expectedSeqNrs: []uint64{1, 3},
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},
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{
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name: "all payments in reverse, order maintained",
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query: PaymentsQuery{
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IndexOffset: 0,
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MaxPayments: 7,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 7,
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expectedSeqNrs: []uint64{1, 3, 4, 5, 6, 7},
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},
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{
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name: "exclude incomplete payments",
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query: PaymentsQuery{
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IndexOffset: 0,
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MaxPayments: 7,
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Reversed: false,
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IncludeIncomplete: false,
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},
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firstIndex: 0,
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lastIndex: 0,
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expectedSeqNrs: nil,
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},
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{
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name: "query payments at index gap",
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query: PaymentsQuery{
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IndexOffset: 1,
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MaxPayments: 7,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 3,
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lastIndex: 7,
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expectedSeqNrs: []uint64{3, 4, 5, 6, 7},
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},
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{
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name: "query payments reverse before index gap",
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query: PaymentsQuery{
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IndexOffset: 3,
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MaxPayments: 7,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 1,
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expectedSeqNrs: []uint64{1},
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},
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{
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name: "query payments reverse on index gap",
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query: PaymentsQuery{
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IndexOffset: 2,
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MaxPayments: 7,
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Reversed: true,
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IncludeIncomplete: true,
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},
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firstIndex: 1,
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lastIndex: 1,
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expectedSeqNrs: []uint64{1},
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},
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{
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name: "query payments forward on index gap",
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query: PaymentsQuery{
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IndexOffset: 2,
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MaxPayments: 2,
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Reversed: false,
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IncludeIncomplete: true,
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},
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firstIndex: 3,
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lastIndex: 4,
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expectedSeqNrs: []uint64{3, 4},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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defer cleanup()
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// Make a preliminary query to make sure it's ok to
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// query when we have no payments.
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resp, err := db.QueryPayments(tt.query)
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require.NoError(t, err)
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require.Len(t, resp.Payments, 0)
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// Populate the database with a set of test payments.
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// We create 6 original payments, deleting the payment
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// at index 2 so that we cover the case where sequence
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// numbers are missing. We also add a duplicate payment
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// to the last payment added to test the legacy case
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// where we have duplicates in the nested duplicates
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// bucket.
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nonDuplicatePayments := 6
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pControl := NewPaymentControl(db)
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for i := 0; i < nonDuplicatePayments; i++ {
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// Generate a test payment.
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info, _, _, err := genInfo()
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if err != nil {
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t.Fatalf("unable to create test "+
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"payment: %v", err)
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}
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// Create a new payment entry in the database.
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err = pControl.InitPayment(info.PaymentHash, info)
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if err != nil {
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t.Fatalf("unable to initialize "+
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"payment in database: %v", err)
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}
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// Immediately delete the payment with index 2.
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if i == 1 {
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pmt, err := pControl.FetchPayment(
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info.PaymentHash,
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)
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require.NoError(t, err)
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deletePayment(t, db, info.PaymentHash,
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pmt.SequenceNum)
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}
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// If we are on the last payment entry, add a
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// duplicate payment with sequence number equal
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// to the parent payment + 1.
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if i == (nonDuplicatePayments - 1) {
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pmt, err := pControl.FetchPayment(
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info.PaymentHash,
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)
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require.NoError(t, err)
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appendDuplicatePayment(
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t, pControl.db,
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info.PaymentHash,
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pmt.SequenceNum+1,
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)
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}
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}
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// Fetch all payments in the database.
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allPayments, err := db.FetchPayments()
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if err != nil {
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t.Fatalf("payments could not be fetched from "+
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"database: %v", err)
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}
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if len(allPayments) != 6 {
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t.Fatalf("Number of payments received does not "+
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"match expected one. Got %v, want %v.",
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len(allPayments), 6)
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}
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querySlice, err := db.QueryPayments(tt.query)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if tt.firstIndex != querySlice.FirstIndexOffset ||
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tt.lastIndex != querySlice.LastIndexOffset {
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t.Errorf("First or last index does not match "+
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"expected index. Want (%d, %d), got (%d, %d).",
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tt.firstIndex, tt.lastIndex,
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querySlice.FirstIndexOffset,
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querySlice.LastIndexOffset)
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}
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if len(querySlice.Payments) != len(tt.expectedSeqNrs) {
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t.Errorf("expected: %v payments, got: %v",
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len(allPayments), len(querySlice.Payments))
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}
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for i, seqNr := range tt.expectedSeqNrs {
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q := querySlice.Payments[i]
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if seqNr != q.SequenceNum {
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t.Errorf("sequence numbers do not match, "+
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"got %v, want %v", q.SequenceNum, seqNr)
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}
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}
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})
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}
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}
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// TestFetchPaymentWithSequenceNumber tests lookup of payments with their
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// sequence number. It sets up one payment with no duplicates, and another with
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// two duplicates in its duplicates bucket then uses these payments to test the
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// case where a specific duplicate is not found and the duplicates bucket is not
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// present when we expect it to be.
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func TestFetchPaymentWithSequenceNumber(t *testing.T) {
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db, cleanup, err := MakeTestDB()
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require.NoError(t, err)
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defer cleanup()
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pControl := NewPaymentControl(db)
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// Generate a test payment which does not have duplicates.
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noDuplicates, _, _, err := genInfo()
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require.NoError(t, err)
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// Create a new payment entry in the database.
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err = pControl.InitPayment(noDuplicates.PaymentHash, noDuplicates)
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require.NoError(t, err)
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// Fetch the payment so we can get its sequence nr.
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noDuplicatesPayment, err := pControl.FetchPayment(
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noDuplicates.PaymentHash,
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)
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require.NoError(t, err)
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// Generate a test payment which we will add duplicates to.
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hasDuplicates, _, _, err := genInfo()
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require.NoError(t, err)
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// Create a new payment entry in the database.
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err = pControl.InitPayment(hasDuplicates.PaymentHash, hasDuplicates)
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require.NoError(t, err)
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// Fetch the payment so we can get its sequence nr.
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hasDuplicatesPayment, err := pControl.FetchPayment(
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hasDuplicates.PaymentHash,
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)
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require.NoError(t, err)
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// We declare the sequence numbers used here so that we can reference
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// them in tests.
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var (
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duplicateOneSeqNr = hasDuplicatesPayment.SequenceNum + 1
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duplicateTwoSeqNr = hasDuplicatesPayment.SequenceNum + 2
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)
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// Add two duplicates to our second payment.
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|
appendDuplicatePayment(
|
|
t, db, hasDuplicates.PaymentHash, duplicateOneSeqNr,
|
|
)
|
|
appendDuplicatePayment(
|
|
t, db, hasDuplicates.PaymentHash, duplicateTwoSeqNr,
|
|
)
|
|
|
|
tests := []struct {
|
|
name string
|
|
paymentHash lntypes.Hash
|
|
sequenceNumber uint64
|
|
expectedErr error
|
|
}{
|
|
{
|
|
name: "lookup payment without duplicates",
|
|
paymentHash: noDuplicates.PaymentHash,
|
|
sequenceNumber: noDuplicatesPayment.SequenceNum,
|
|
expectedErr: nil,
|
|
},
|
|
{
|
|
name: "lookup payment with duplicates",
|
|
paymentHash: hasDuplicates.PaymentHash,
|
|
sequenceNumber: hasDuplicatesPayment.SequenceNum,
|
|
expectedErr: nil,
|
|
},
|
|
{
|
|
name: "lookup first duplicate",
|
|
paymentHash: hasDuplicates.PaymentHash,
|
|
sequenceNumber: duplicateOneSeqNr,
|
|
expectedErr: nil,
|
|
},
|
|
{
|
|
name: "lookup second duplicate",
|
|
paymentHash: hasDuplicates.PaymentHash,
|
|
sequenceNumber: duplicateTwoSeqNr,
|
|
expectedErr: nil,
|
|
},
|
|
{
|
|
name: "lookup non-existent duplicate",
|
|
paymentHash: hasDuplicates.PaymentHash,
|
|
sequenceNumber: 999999,
|
|
expectedErr: ErrDuplicateNotFound,
|
|
},
|
|
{
|
|
name: "lookup duplicate, no duplicates bucket",
|
|
paymentHash: noDuplicates.PaymentHash,
|
|
sequenceNumber: duplicateTwoSeqNr,
|
|
expectedErr: ErrNoDuplicateBucket,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
test := test
|
|
|
|
t.Run(test.name, func(t *testing.T) {
|
|
err := kvdb.Update(db,
|
|
func(tx walletdb.ReadWriteTx) error {
|
|
|
|
var seqNrBytes [8]byte
|
|
byteOrder.PutUint64(
|
|
seqNrBytes[:], test.sequenceNumber,
|
|
)
|
|
|
|
_, err := fetchPaymentWithSequenceNumber(
|
|
tx, test.paymentHash, seqNrBytes[:],
|
|
)
|
|
return err
|
|
})
|
|
require.Equal(t, test.expectedErr, err)
|
|
})
|
|
}
|
|
}
|
|
|
|
// appendDuplicatePayment adds a duplicate payment to an existing payment. Note
|
|
// that this function requires a unique sequence number.
|
|
//
|
|
// This code is *only* intended to replicate legacy duplicate payments in lnd,
|
|
// our current schema does not allow duplicates.
|
|
func appendDuplicatePayment(t *testing.T, db *DB, paymentHash lntypes.Hash,
|
|
seqNr uint64) {
|
|
|
|
err := kvdb.Update(db, func(tx walletdb.ReadWriteTx) error {
|
|
bucket, err := fetchPaymentBucketUpdate(
|
|
tx, paymentHash,
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Create the duplicates bucket if it is not
|
|
// present.
|
|
dup, err := bucket.CreateBucketIfNotExists(
|
|
duplicatePaymentsBucket,
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var sequenceKey [8]byte
|
|
byteOrder.PutUint64(sequenceKey[:], seqNr)
|
|
|
|
// Create duplicate payments for the two dup
|
|
// sequence numbers we've setup.
|
|
putDuplicatePayment(t, dup, sequenceKey[:], paymentHash)
|
|
|
|
// Finally, once we have created our entry we add an index for
|
|
// it.
|
|
err = createPaymentIndexEntry(tx, sequenceKey[:], paymentHash)
|
|
require.NoError(t, err)
|
|
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("could not create payment: %v", err)
|
|
}
|
|
}
|
|
|
|
// putDuplicatePayment creates a duplicate payment in the duplicates bucket
|
|
// provided with the minimal information required for successful reading.
|
|
func putDuplicatePayment(t *testing.T, duplicateBucket kvdb.RwBucket,
|
|
sequenceKey []byte, paymentHash lntypes.Hash) {
|
|
|
|
paymentBucket, err := duplicateBucket.CreateBucketIfNotExists(
|
|
sequenceKey,
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
err = paymentBucket.Put(duplicatePaymentSequenceKey, sequenceKey)
|
|
require.NoError(t, err)
|
|
|
|
// Generate fake information for the duplicate payment.
|
|
info, _, _, err := genInfo()
|
|
require.NoError(t, err)
|
|
|
|
// Write the payment info to disk under the creation info key. This code
|
|
// is copied rather than using serializePaymentCreationInfo to ensure
|
|
// we always write in the legacy format used by duplicate payments.
|
|
var b bytes.Buffer
|
|
var scratch [8]byte
|
|
_, err = b.Write(paymentHash[:])
|
|
require.NoError(t, err)
|
|
|
|
byteOrder.PutUint64(scratch[:], uint64(info.Value))
|
|
_, err = b.Write(scratch[:])
|
|
require.NoError(t, err)
|
|
|
|
err = serializeTime(&b, info.CreationTime)
|
|
require.NoError(t, err)
|
|
|
|
byteOrder.PutUint32(scratch[:4], 0)
|
|
_, err = b.Write(scratch[:4])
|
|
require.NoError(t, err)
|
|
|
|
// Get the PaymentCreationInfo.
|
|
err = paymentBucket.Put(duplicatePaymentCreationInfoKey, b.Bytes())
|
|
require.NoError(t, err)
|
|
}
|