multi: don't leak underlying pointer to LightningChannel.ChannelPoint()

peer/brontide.go

@@ -3209,10 +3209,10 @@ func (p *Brontide) finalizeChanClosure(chanCloser *chancloser.ChanCloser) {
 
 	// First, we'll clear all indexes related to the channel in question.
 	chanPoint := chanCloser.Channel().ChannelPoint()
-	p.WipeChannel(chanPoint)
+	p.WipeChannel(&chanPoint)
 
 	// Also clear the activeChanCloses map of this channel.
-	cid := lnwire.NewChanIDFromOutPoint(chanPoint)
+	cid := lnwire.NewChanIDFromOutPoint(&chanPoint)
 	delete(p.activeChanCloses, cid)
 
 	// Next, we'll launch a goroutine which will request to be notified by
@@ -3247,7 +3247,7 @@ func (p *Brontide) finalizeChanClosure(chanCloser *chancloser.ChanCloser) {
 	}
 
 	go WaitForChanToClose(chanCloser.NegotiationHeight(), notifier, errChan,
-		chanPoint, &closingTxid, closingTx.TxOut[0].PkScript, func() {
+		&chanPoint, &closingTxid, closingTx.TxOut[0].PkScript, func() {
 			// Respond to the local subsystem which requested the
 			// channel closure.
 			if closeReq != nil {

peer/brontide_test.go

@@ -53,7 +53,8 @@ func TestPeerChannelClosureShutdownResponseLinkRemoved(t *testing.T) {
 	)
 	require.NoError(t, err, "unable to create test channels")
 
-	chanID := lnwire.NewChanIDFromOutPoint(bobChan.ChannelPoint())
+	chanPoint := bobChan.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 
 	dummyDeliveryScript := genScript(t, p2wshAddress)
 
@@ -100,7 +101,8 @@ func TestPeerChannelClosureAcceptFeeResponder(t *testing.T) {
 	)
 	require.NoError(t, err, "unable to create test channels")
 
-	chanID := lnwire.NewChanIDFromOutPoint(bobChan.ChannelPoint())
+	chanPoint := bobChan.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 
 	mockLink := newMockUpdateHandler(chanID)
 	mockSwitch.links = append(mockSwitch.links, mockLink)
@@ -204,7 +206,8 @@ func TestPeerChannelClosureAcceptFeeInitiator(t *testing.T) {
 	)
 	require.NoError(t, err, "unable to create test channels")
 
-	chanID := lnwire.NewChanIDFromOutPoint(bobChan.ChannelPoint())
+	chanPoint := bobChan.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 	mockLink := newMockUpdateHandler(chanID)
 	mockSwitch.links = append(mockSwitch.links, mockLink)
 
@@ -215,7 +218,7 @@ func TestPeerChannelClosureAcceptFeeInitiator(t *testing.T) {
 	errChan := make(chan error, 1)
 	closeCommand := &htlcswitch.ChanClose{
 		CloseType:      contractcourt.CloseRegular,
-		ChanPoint:      bobChan.ChannelPoint(),
+		ChanPoint:      &chanPoint,
 		Updates:        updateChan,
 		TargetFeePerKw: 12500,
 		Err:            errChan,
@@ -327,7 +330,8 @@ func TestPeerChannelClosureFeeNegotiationsResponder(t *testing.T) {
 	)
 	require.NoError(t, err, "unable to create test channels")
 
-	chanID := lnwire.NewChanIDFromOutPoint(bobChan.ChannelPoint())
+	chanPoint := bobChan.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 
 	mockLink := newMockUpdateHandler(chanID)
 	mockSwitch.links = append(mockSwitch.links, mockLink)
@@ -513,7 +517,8 @@ func TestPeerChannelClosureFeeNegotiationsInitiator(t *testing.T) {
 	)
 	require.NoError(t, err, "unable to create test channels")
 
-	chanID := lnwire.NewChanIDFromOutPoint(bobChan.ChannelPoint())
+	chanPoint := bobChan.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 	mockLink := newMockUpdateHandler(chanID)
 	mockSwitch.links = append(mockSwitch.links, mockLink)
 
@@ -522,7 +527,7 @@ func TestPeerChannelClosureFeeNegotiationsInitiator(t *testing.T) {
 	errChan := make(chan error, 1)
 	closeCommand := &htlcswitch.ChanClose{
 		CloseType:      contractcourt.CloseRegular,
-		ChanPoint:      bobChan.ChannelPoint(),
+		ChanPoint:      &chanPoint,
 		Updates:        updateChan,
 		TargetFeePerKw: 12500,
 		Err:            errChan,
@@ -844,7 +849,7 @@ func TestCustomShutdownScript(t *testing.T) {
 			}
 
 			chanPoint := bobChan.ChannelPoint()
-			chanID := lnwire.NewChanIDFromOutPoint(chanPoint)
+			chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 			mockLink := newMockUpdateHandler(chanID)
 			mockSwitch.links = append(mockSwitch.links, mockLink)
 
@@ -854,7 +859,7 @@ func TestCustomShutdownScript(t *testing.T) {
 			errChan := make(chan error, 1)
 			closeCommand := htlcswitch.ChanClose{
 				CloseType:      contractcourt.CloseRegular,
-				ChanPoint:      chanPoint,
+				ChanPoint:      &chanPoint,
 				Updates:        updateChan,
 				TargetFeePerKw: 12500,
 				DeliveryScript: test.userCloseScript,

peer/test_utils.go

@@ -412,7 +412,8 @@ func createTestPeer(t *testing.T, notifier chainntnfs.ChainNotifier,
 	alicePeer := NewBrontide(*cfg)
 	alicePeer.remoteFeatures = lnwire.NewFeatureVector(nil, lnwire.Features)
 
-	chanID := lnwire.NewChanIDFromOutPoint(channelAlice.ChannelPoint())
+	chanPoint := channelAlice.ChannelPoint()
+	chanID := lnwire.NewChanIDFromOutPoint(&chanPoint)
 	alicePeer.activeChannels.Store(chanID, channelAlice)
 
 	alicePeer.wg.Add(1)