mirror of
https://github.com/lightningnetwork/lnd.git
synced 2024-11-19 09:53:54 +01:00
516e3a8cca
Extends the pathfinder with a capacity argument for later usage. In tests, the inserted testCapacity has no effect, but will be used later to estimate reduced probabilities from it.
813 lines
18 KiB
Go
813 lines
18 KiB
Go
package routing
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import (
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"fmt"
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"sync"
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"github.com/btcsuite/btcd/btcec/v2"
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"github.com/btcsuite/btcd/btcutil"
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"github.com/go-errors/errors"
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"github.com/lightningnetwork/lnd/channeldb"
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"github.com/lightningnetwork/lnd/htlcswitch"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/routing/route"
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"github.com/stretchr/testify/mock"
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)
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type mockPaymentAttemptDispatcherOld struct {
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onPayment func(firstHop lnwire.ShortChannelID) ([32]byte, error)
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results map[uint64]*htlcswitch.PaymentResult
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sync.Mutex
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}
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var _ PaymentAttemptDispatcher = (*mockPaymentAttemptDispatcherOld)(nil)
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func (m *mockPaymentAttemptDispatcherOld) SendHTLC(
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firstHop lnwire.ShortChannelID, pid uint64,
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_ *lnwire.UpdateAddHTLC) error {
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if m.onPayment == nil {
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return nil
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}
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var result *htlcswitch.PaymentResult
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preimage, err := m.onPayment(firstHop)
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if err != nil {
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rtErr, ok := err.(htlcswitch.ClearTextError)
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if !ok {
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return err
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}
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result = &htlcswitch.PaymentResult{
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Error: rtErr,
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}
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} else {
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result = &htlcswitch.PaymentResult{Preimage: preimage}
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}
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m.Lock()
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if m.results == nil {
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m.results = make(map[uint64]*htlcswitch.PaymentResult)
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}
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m.results[pid] = result
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m.Unlock()
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return nil
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}
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func (m *mockPaymentAttemptDispatcherOld) GetAttemptResult(paymentID uint64,
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_ lntypes.Hash, _ htlcswitch.ErrorDecrypter) (
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<-chan *htlcswitch.PaymentResult, error) {
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c := make(chan *htlcswitch.PaymentResult, 1)
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m.Lock()
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res, ok := m.results[paymentID]
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m.Unlock()
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if !ok {
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return nil, htlcswitch.ErrPaymentIDNotFound
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}
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c <- res
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return c, nil
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}
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func (m *mockPaymentAttemptDispatcherOld) CleanStore(
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map[uint64]struct{}) error {
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return nil
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}
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func (m *mockPaymentAttemptDispatcherOld) setPaymentResult(
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f func(firstHop lnwire.ShortChannelID) ([32]byte, error)) {
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m.onPayment = f
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}
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type mockPaymentSessionSourceOld struct {
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routes []*route.Route
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routeRelease chan struct{}
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}
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var _ PaymentSessionSource = (*mockPaymentSessionSourceOld)(nil)
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func (m *mockPaymentSessionSourceOld) NewPaymentSession(
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_ *LightningPayment) (PaymentSession, error) {
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return &mockPaymentSessionOld{
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routes: m.routes,
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release: m.routeRelease,
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}, nil
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}
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func (m *mockPaymentSessionSourceOld) NewPaymentSessionForRoute(
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preBuiltRoute *route.Route) PaymentSession {
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return nil
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}
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func (m *mockPaymentSessionSourceOld) NewPaymentSessionEmpty() PaymentSession {
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return &mockPaymentSessionOld{}
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}
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type mockMissionControlOld struct {
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MissionControl
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}
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var _ MissionController = (*mockMissionControlOld)(nil)
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func (m *mockMissionControlOld) ReportPaymentFail(
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paymentID uint64, rt *route.Route,
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failureSourceIdx *int, failure lnwire.FailureMessage) (
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*channeldb.FailureReason, error) {
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// Report a permanent failure if this is an error caused
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// by incorrect details.
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if failure.Code() == lnwire.CodeIncorrectOrUnknownPaymentDetails {
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reason := channeldb.FailureReasonPaymentDetails
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return &reason, nil
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}
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return nil, nil
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}
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func (m *mockMissionControlOld) ReportPaymentSuccess(paymentID uint64,
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rt *route.Route) error {
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return nil
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}
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func (m *mockMissionControlOld) GetProbability(fromNode, toNode route.Vertex,
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amt lnwire.MilliSatoshi, capacity btcutil.Amount) float64 {
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return 0
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}
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type mockPaymentSessionOld struct {
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routes []*route.Route
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// release is a channel that optionally blocks requesting a route
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// from our mock payment channel. If this value is nil, we will just
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// release the route automatically.
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release chan struct{}
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}
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var _ PaymentSession = (*mockPaymentSessionOld)(nil)
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func (m *mockPaymentSessionOld) RequestRoute(_, _ lnwire.MilliSatoshi,
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_, height uint32) (*route.Route, error) {
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if m.release != nil {
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m.release <- struct{}{}
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}
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if len(m.routes) == 0 {
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return nil, errNoPathFound
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}
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r := m.routes[0]
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m.routes = m.routes[1:]
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return r, nil
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}
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func (m *mockPaymentSessionOld) UpdateAdditionalEdge(_ *lnwire.ChannelUpdate,
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_ *btcec.PublicKey, _ *channeldb.CachedEdgePolicy) bool {
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return false
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}
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func (m *mockPaymentSessionOld) GetAdditionalEdgePolicy(_ *btcec.PublicKey,
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_ uint64) *channeldb.CachedEdgePolicy {
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return nil
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}
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type mockPayerOld struct {
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sendResult chan error
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paymentResult chan *htlcswitch.PaymentResult
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quit chan struct{}
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}
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var _ PaymentAttemptDispatcher = (*mockPayerOld)(nil)
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func (m *mockPayerOld) SendHTLC(_ lnwire.ShortChannelID,
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paymentID uint64,
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_ *lnwire.UpdateAddHTLC) error {
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select {
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case res := <-m.sendResult:
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return res
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case <-m.quit:
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return fmt.Errorf("test quitting")
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}
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}
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func (m *mockPayerOld) GetAttemptResult(paymentID uint64, _ lntypes.Hash,
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_ htlcswitch.ErrorDecrypter) (<-chan *htlcswitch.PaymentResult, error) {
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select {
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case res, ok := <-m.paymentResult:
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resChan := make(chan *htlcswitch.PaymentResult, 1)
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if !ok {
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close(resChan)
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} else {
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resChan <- res
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}
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return resChan, nil
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case <-m.quit:
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return nil, fmt.Errorf("test quitting")
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}
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}
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func (m *mockPayerOld) CleanStore(pids map[uint64]struct{}) error {
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return nil
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}
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type initArgs struct {
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c *channeldb.PaymentCreationInfo
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}
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type registerAttemptArgs struct {
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a *channeldb.HTLCAttemptInfo
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}
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type settleAttemptArgs struct {
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preimg lntypes.Preimage
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}
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type failAttemptArgs struct {
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reason *channeldb.HTLCFailInfo
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}
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type failPaymentArgs struct {
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reason channeldb.FailureReason
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}
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type testPayment struct {
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info channeldb.PaymentCreationInfo
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attempts []channeldb.HTLCAttempt
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}
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type mockControlTowerOld struct {
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payments map[lntypes.Hash]*testPayment
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successful map[lntypes.Hash]struct{}
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failed map[lntypes.Hash]channeldb.FailureReason
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init chan initArgs
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registerAttempt chan registerAttemptArgs
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settleAttempt chan settleAttemptArgs
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failAttempt chan failAttemptArgs
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failPayment chan failPaymentArgs
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fetchInFlight chan struct{}
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sync.Mutex
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}
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var _ ControlTower = (*mockControlTowerOld)(nil)
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func makeMockControlTower() *mockControlTowerOld {
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return &mockControlTowerOld{
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payments: make(map[lntypes.Hash]*testPayment),
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successful: make(map[lntypes.Hash]struct{}),
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failed: make(map[lntypes.Hash]channeldb.FailureReason),
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}
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}
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func (m *mockControlTowerOld) InitPayment(phash lntypes.Hash,
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c *channeldb.PaymentCreationInfo) error {
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if m.init != nil {
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m.init <- initArgs{c}
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}
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m.Lock()
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defer m.Unlock()
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// Don't allow re-init a successful payment.
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if _, ok := m.successful[phash]; ok {
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return channeldb.ErrAlreadyPaid
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}
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_, failed := m.failed[phash]
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_, ok := m.payments[phash]
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// If the payment is known, only allow re-init if failed.
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if ok && !failed {
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return channeldb.ErrPaymentInFlight
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}
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delete(m.failed, phash)
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m.payments[phash] = &testPayment{
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info: *c,
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}
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return nil
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}
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func (m *mockControlTowerOld) DeleteFailedAttempts(phash lntypes.Hash) error {
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p, ok := m.payments[phash]
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if !ok {
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return channeldb.ErrPaymentNotInitiated
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}
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var inFlight bool
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for _, a := range p.attempts {
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if a.Settle != nil {
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continue
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}
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if a.Failure != nil {
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continue
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}
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inFlight = true
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}
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if inFlight {
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return channeldb.ErrPaymentInFlight
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}
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return nil
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}
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func (m *mockControlTowerOld) RegisterAttempt(phash lntypes.Hash,
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a *channeldb.HTLCAttemptInfo) error {
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if m.registerAttempt != nil {
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m.registerAttempt <- registerAttemptArgs{a}
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}
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m.Lock()
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defer m.Unlock()
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// Lookup payment.
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p, ok := m.payments[phash]
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if !ok {
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return channeldb.ErrPaymentNotInitiated
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}
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var inFlight bool
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for _, a := range p.attempts {
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if a.Settle != nil {
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continue
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}
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if a.Failure != nil {
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continue
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}
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inFlight = true
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}
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// Cannot register attempts for successful or failed payments.
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_, settled := m.successful[phash]
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_, failed := m.failed[phash]
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if settled || failed {
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return channeldb.ErrPaymentTerminal
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}
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if settled && !inFlight {
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return channeldb.ErrPaymentAlreadySucceeded
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}
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if failed && !inFlight {
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return channeldb.ErrPaymentAlreadyFailed
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}
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// Add attempt to payment.
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p.attempts = append(p.attempts, channeldb.HTLCAttempt{
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HTLCAttemptInfo: *a,
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})
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m.payments[phash] = p
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return nil
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}
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func (m *mockControlTowerOld) SettleAttempt(phash lntypes.Hash,
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pid uint64, settleInfo *channeldb.HTLCSettleInfo) (
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*channeldb.HTLCAttempt, error) {
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if m.settleAttempt != nil {
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m.settleAttempt <- settleAttemptArgs{settleInfo.Preimage}
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}
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m.Lock()
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defer m.Unlock()
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// Only allow setting attempts if the payment is known.
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p, ok := m.payments[phash]
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if !ok {
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return nil, channeldb.ErrPaymentNotInitiated
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}
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// Find the attempt with this pid, and set the settle info.
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for i, a := range p.attempts {
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if a.AttemptID != pid {
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continue
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}
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if a.Settle != nil {
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return nil, channeldb.ErrAttemptAlreadySettled
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}
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if a.Failure != nil {
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return nil, channeldb.ErrAttemptAlreadyFailed
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}
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p.attempts[i].Settle = settleInfo
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// Mark the payment successful on first settled attempt.
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m.successful[phash] = struct{}{}
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return &channeldb.HTLCAttempt{
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Settle: settleInfo,
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}, nil
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}
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return nil, fmt.Errorf("pid not found")
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}
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func (m *mockControlTowerOld) FailAttempt(phash lntypes.Hash, pid uint64,
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failInfo *channeldb.HTLCFailInfo) (*channeldb.HTLCAttempt, error) {
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if m.failAttempt != nil {
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m.failAttempt <- failAttemptArgs{failInfo}
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}
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m.Lock()
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defer m.Unlock()
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// Only allow failing attempts if the payment is known.
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p, ok := m.payments[phash]
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if !ok {
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return nil, channeldb.ErrPaymentNotInitiated
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}
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// Find the attempt with this pid, and set the failure info.
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for i, a := range p.attempts {
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if a.AttemptID != pid {
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continue
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}
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if a.Settle != nil {
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return nil, channeldb.ErrAttemptAlreadySettled
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}
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if a.Failure != nil {
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return nil, channeldb.ErrAttemptAlreadyFailed
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}
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p.attempts[i].Failure = failInfo
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return &channeldb.HTLCAttempt{
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Failure: failInfo,
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}, nil
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}
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return nil, fmt.Errorf("pid not found")
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}
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func (m *mockControlTowerOld) FailPayment(phash lntypes.Hash,
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reason channeldb.FailureReason) error {
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m.Lock()
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defer m.Unlock()
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if m.failPayment != nil {
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m.failPayment <- failPaymentArgs{reason}
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}
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// Payment must be known.
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if _, ok := m.payments[phash]; !ok {
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return channeldb.ErrPaymentNotInitiated
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}
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m.failed[phash] = reason
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return nil
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}
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func (m *mockControlTowerOld) FetchPayment(phash lntypes.Hash) (
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*channeldb.MPPayment, error) {
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m.Lock()
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defer m.Unlock()
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return m.fetchPayment(phash)
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}
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func (m *mockControlTowerOld) fetchPayment(phash lntypes.Hash) (
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*channeldb.MPPayment, error) {
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p, ok := m.payments[phash]
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if !ok {
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return nil, channeldb.ErrPaymentNotInitiated
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}
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mp := &channeldb.MPPayment{
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Info: &p.info,
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}
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reason, ok := m.failed[phash]
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if ok {
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mp.FailureReason = &reason
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}
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// Return a copy of the current attempts.
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mp.HTLCs = append(mp.HTLCs, p.attempts...)
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return mp, nil
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}
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func (m *mockControlTowerOld) FetchInFlightPayments() (
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[]*channeldb.MPPayment, error) {
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if m.fetchInFlight != nil {
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m.fetchInFlight <- struct{}{}
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}
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m.Lock()
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defer m.Unlock()
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// In flight are all payments not successful or failed.
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var fl []*channeldb.MPPayment
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for hash := range m.payments {
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if _, ok := m.successful[hash]; ok {
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continue
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}
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if _, ok := m.failed[hash]; ok {
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continue
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}
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mp, err := m.fetchPayment(hash)
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if err != nil {
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return nil, err
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}
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fl = append(fl, mp)
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}
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return fl, nil
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}
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func (m *mockControlTowerOld) SubscribePayment(paymentHash lntypes.Hash) (
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ControlTowerSubscriber, error) {
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return nil, errors.New("not implemented")
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}
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func (m *mockControlTowerOld) SubscribeAllPayments() (
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ControlTowerSubscriber, error) {
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return nil, errors.New("not implemented")
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}
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type mockPaymentAttemptDispatcher struct {
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mock.Mock
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resultChan chan *htlcswitch.PaymentResult
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}
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var _ PaymentAttemptDispatcher = (*mockPaymentAttemptDispatcher)(nil)
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func (m *mockPaymentAttemptDispatcher) SendHTLC(firstHop lnwire.ShortChannelID,
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pid uint64, htlcAdd *lnwire.UpdateAddHTLC) error {
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args := m.Called(firstHop, pid, htlcAdd)
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return args.Error(0)
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}
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func (m *mockPaymentAttemptDispatcher) GetAttemptResult(attemptID uint64,
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paymentHash lntypes.Hash, deobfuscator htlcswitch.ErrorDecrypter) (
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<-chan *htlcswitch.PaymentResult, error) {
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m.Called(attemptID, paymentHash, deobfuscator)
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// Instead of returning the mocked returned values, we need to return
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// the chan resultChan so it can be converted into a read-only chan.
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return m.resultChan, nil
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}
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func (m *mockPaymentAttemptDispatcher) CleanStore(
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keepPids map[uint64]struct{}) error {
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args := m.Called(keepPids)
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return args.Error(0)
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}
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type mockPaymentSessionSource struct {
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mock.Mock
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}
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var _ PaymentSessionSource = (*mockPaymentSessionSource)(nil)
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func (m *mockPaymentSessionSource) NewPaymentSession(
|
|
payment *LightningPayment) (PaymentSession, error) {
|
|
|
|
args := m.Called(payment)
|
|
return args.Get(0).(PaymentSession), args.Error(1)
|
|
}
|
|
|
|
func (m *mockPaymentSessionSource) NewPaymentSessionForRoute(
|
|
preBuiltRoute *route.Route) PaymentSession {
|
|
|
|
args := m.Called(preBuiltRoute)
|
|
return args.Get(0).(PaymentSession)
|
|
}
|
|
|
|
func (m *mockPaymentSessionSource) NewPaymentSessionEmpty() PaymentSession {
|
|
args := m.Called()
|
|
return args.Get(0).(PaymentSession)
|
|
}
|
|
|
|
type mockMissionControl struct {
|
|
mock.Mock
|
|
}
|
|
|
|
var _ MissionController = (*mockMissionControl)(nil)
|
|
|
|
func (m *mockMissionControl) ReportPaymentFail(
|
|
paymentID uint64, rt *route.Route,
|
|
failureSourceIdx *int, failure lnwire.FailureMessage) (
|
|
*channeldb.FailureReason, error) {
|
|
|
|
args := m.Called(paymentID, rt, failureSourceIdx, failure)
|
|
|
|
// Type assertion on nil will fail, so we check and return here.
|
|
if args.Get(0) == nil {
|
|
return nil, args.Error(1)
|
|
}
|
|
|
|
return args.Get(0).(*channeldb.FailureReason), args.Error(1)
|
|
}
|
|
|
|
func (m *mockMissionControl) ReportPaymentSuccess(paymentID uint64,
|
|
rt *route.Route) error {
|
|
|
|
args := m.Called(paymentID, rt)
|
|
return args.Error(0)
|
|
}
|
|
|
|
func (m *mockMissionControl) GetProbability(fromNode, toNode route.Vertex,
|
|
amt lnwire.MilliSatoshi, capacity btcutil.Amount) float64 {
|
|
|
|
args := m.Called(fromNode, toNode, amt, capacity)
|
|
return args.Get(0).(float64)
|
|
}
|
|
|
|
type mockPaymentSession struct {
|
|
mock.Mock
|
|
}
|
|
|
|
var _ PaymentSession = (*mockPaymentSession)(nil)
|
|
|
|
func (m *mockPaymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi,
|
|
activeShards, height uint32) (*route.Route, error) {
|
|
|
|
args := m.Called(maxAmt, feeLimit, activeShards, height)
|
|
return args.Get(0).(*route.Route), args.Error(1)
|
|
}
|
|
|
|
func (m *mockPaymentSession) UpdateAdditionalEdge(msg *lnwire.ChannelUpdate,
|
|
pubKey *btcec.PublicKey, policy *channeldb.CachedEdgePolicy) bool {
|
|
|
|
args := m.Called(msg, pubKey, policy)
|
|
return args.Bool(0)
|
|
}
|
|
|
|
func (m *mockPaymentSession) GetAdditionalEdgePolicy(pubKey *btcec.PublicKey,
|
|
channelID uint64) *channeldb.CachedEdgePolicy {
|
|
|
|
args := m.Called(pubKey, channelID)
|
|
return args.Get(0).(*channeldb.CachedEdgePolicy)
|
|
}
|
|
|
|
type mockControlTower struct {
|
|
mock.Mock
|
|
sync.Mutex
|
|
}
|
|
|
|
var _ ControlTower = (*mockControlTower)(nil)
|
|
|
|
func (m *mockControlTower) InitPayment(phash lntypes.Hash,
|
|
c *channeldb.PaymentCreationInfo) error {
|
|
|
|
args := m.Called(phash, c)
|
|
return args.Error(0)
|
|
}
|
|
|
|
func (m *mockControlTower) DeleteFailedAttempts(phash lntypes.Hash) error {
|
|
args := m.Called(phash)
|
|
return args.Error(0)
|
|
}
|
|
|
|
func (m *mockControlTower) RegisterAttempt(phash lntypes.Hash,
|
|
a *channeldb.HTLCAttemptInfo) error {
|
|
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
|
|
args := m.Called(phash, a)
|
|
return args.Error(0)
|
|
}
|
|
|
|
func (m *mockControlTower) SettleAttempt(phash lntypes.Hash,
|
|
pid uint64, settleInfo *channeldb.HTLCSettleInfo) (
|
|
*channeldb.HTLCAttempt, error) {
|
|
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
|
|
args := m.Called(phash, pid, settleInfo)
|
|
return args.Get(0).(*channeldb.HTLCAttempt), args.Error(1)
|
|
}
|
|
|
|
func (m *mockControlTower) FailAttempt(phash lntypes.Hash, pid uint64,
|
|
failInfo *channeldb.HTLCFailInfo) (*channeldb.HTLCAttempt, error) {
|
|
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
|
|
args := m.Called(phash, pid, failInfo)
|
|
return args.Get(0).(*channeldb.HTLCAttempt), args.Error(1)
|
|
}
|
|
|
|
func (m *mockControlTower) FailPayment(phash lntypes.Hash,
|
|
reason channeldb.FailureReason) error {
|
|
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
|
|
args := m.Called(phash, reason)
|
|
return args.Error(0)
|
|
}
|
|
|
|
func (m *mockControlTower) FetchPayment(phash lntypes.Hash) (
|
|
*channeldb.MPPayment, error) {
|
|
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
args := m.Called(phash)
|
|
|
|
// Type assertion on nil will fail, so we check and return here.
|
|
if args.Get(0) == nil {
|
|
return nil, args.Error(1)
|
|
}
|
|
|
|
// Make a copy of the payment here to avoid data race.
|
|
p := args.Get(0).(*channeldb.MPPayment)
|
|
payment := &channeldb.MPPayment{
|
|
Info: p.Info,
|
|
FailureReason: p.FailureReason,
|
|
}
|
|
payment.HTLCs = make([]channeldb.HTLCAttempt, len(p.HTLCs))
|
|
copy(payment.HTLCs, p.HTLCs)
|
|
|
|
return payment, args.Error(1)
|
|
}
|
|
|
|
func (m *mockControlTower) FetchInFlightPayments() (
|
|
[]*channeldb.MPPayment, error) {
|
|
|
|
args := m.Called()
|
|
return args.Get(0).([]*channeldb.MPPayment), args.Error(1)
|
|
}
|
|
|
|
func (m *mockControlTower) SubscribePayment(paymentHash lntypes.Hash) (
|
|
ControlTowerSubscriber, error) {
|
|
|
|
args := m.Called(paymentHash)
|
|
return args.Get(0).(ControlTowerSubscriber), args.Error(1)
|
|
}
|
|
|
|
func (m *mockControlTower) SubscribeAllPayments() (
|
|
ControlTowerSubscriber, error) {
|
|
|
|
args := m.Called()
|
|
return args.Get(0).(ControlTowerSubscriber), args.Error(1)
|
|
}
|
|
|
|
type mockLink struct {
|
|
htlcswitch.ChannelLink
|
|
bandwidth lnwire.MilliSatoshi
|
|
mayAddOutgoingErr error
|
|
ineligible bool
|
|
}
|
|
|
|
// Bandwidth returns the bandwidth the mock was configured with.
|
|
func (m *mockLink) Bandwidth() lnwire.MilliSatoshi {
|
|
return m.bandwidth
|
|
}
|
|
|
|
// EligibleToForward returns the mock's configured eligibility.
|
|
func (m *mockLink) EligibleToForward() bool {
|
|
return !m.ineligible
|
|
}
|
|
|
|
// MayAddOutgoingHtlc returns the error configured in our mock.
|
|
func (m *mockLink) MayAddOutgoingHtlc(_ lnwire.MilliSatoshi) error {
|
|
return m.mayAddOutgoingErr
|
|
}
|