htlcswitch: fix outgoing cltv spelling

diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go
index f17d873..380ccb9 100644
--- a/contractcourt/channel_arbitrator.go
+++ b/contractcourt/channel_arbitrator.go
@@ -1432,7 +1432,7 @@ func (c *ChannelArbitrator) sweepAnchors(anchors *lnwallet.AnchorResolutions,
 //     HTLCs,  or,
 //   - half of the least CLTV from incoming HTLCs if the preimage is available.
 //
-// We use half of the CTLV value to ensure that we have enough time to sweep
+// We use half of the CLTV value to ensure that we have enough time to sweep
 // the second-level HTLCs.
 //
 // It also finds the total value that are time-sensitive, which is the sum of
diff --git a/contractcourt/htlc_incoming_contest_resolver.go b/contractcourt/htlc_incoming_contest_resolver.go
index e5047c7..3ee8cd6 100644
--- a/contractcourt/htlc_incoming_contest_resolver.go
+++ b/contractcourt/htlc_incoming_contest_resolver.go
@@ -213,7 +213,7 @@ func (h *htlcIncomingContestResolver) Resolve() (ContractResolver, error) {
 			"expected_expiry=%v, height=%v, max=%v), resolving as "+
 			"failed", h, h.htlcResolution.ClaimOutpoint,
 			h.htlc.Amt, payload.FwdInfo.AmountToForward,
-			h.htlcExpiry, payload.FwdInfo.OutgoingCTLV,
+			h.htlcExpiry, payload.FwdInfo.OutgoingCLTV,
 			currentHeight, invoices.MaxFinalCltvDelta)
 		h.markResolved()
 
diff --git a/graph/db/models/channel.go b/graph/db/models/channel.go
index 2069d16..abe4c3b 100644
--- a/graph/db/models/channel.go
+++ b/graph/db/models/channel.go
@@ -123,7 +123,7 @@ type ForwardingPolicy struct {
 	// create the time-lock value for the forwarded outgoing HTLC. The
 	// following constraint MUST hold for an HTLC to be forwarded:
 	//
-	//  * incomingHtlc.timeLock - timeLockDelta = fwdInfo.OutgoingCTLV
+	//  * incomingHtlc.timeLock - timeLockDelta = fwdInfo.OutgoingCLTV
 	//
 	// where fwdInfo is the forwarding information extracted from the
 	// per-hop payload of the incoming HTLC's onion packet.
diff --git a/htlcswitch/hop/forwarding_info.go b/htlcswitch/hop/forwarding_info.go
index 2bb380d..f46b924 100644
--- a/htlcswitch/hop/forwarding_info.go
+++ b/htlcswitch/hop/forwarding_info.go
@@ -20,9 +20,9 @@ type ForwardingInfo struct {
 	// node should forward to the next hop.
 	AmountToForward lnwire.MilliSatoshi
 
-	// OutgoingCTLV is the specified value of the CTLV timelock to be used
+	// OutgoingCLTV is the specified value of the CLTV timelock to be used
 	// in the outgoing HTLC.
-	OutgoingCTLV uint32
+	OutgoingCLTV uint32
 
 	// NextBlinding is an optional blinding point to be passed to the next
 	// node in UpdateAddHtlc. This field is set if the htlc is part of a
@@ -71,7 +71,7 @@ func ValidateFinalHtlc(amt lnwire.MilliSatoshi, expiry, heightNow,
 
 	// The HTLC expiry is below the final CLTV requested by the onion
 	// payload.
-	case expiry < fwdInfo.OutgoingCTLV:
+	case expiry < fwdInfo.OutgoingCLTV:
 		return FinalHtlcInvalidCltv
 
 	// The HTLC expiry is outside the supported final-hop CLTV range.
diff --git a/htlcswitch/hop/forwarding_info_test.go b/htlcswitch/hop/forwarding_info_test.go
index 68ac6f2..82a5ad0 100644
--- a/htlcswitch/hop/forwarding_info_test.go
+++ b/htlcswitch/hop/forwarding_info_test.go
@@ -20,7 +20,7 @@ func TestValidateFinalHtlc(t *testing.T) {
 
 	fwdInfo := ForwardingInfo{
 		AmountToForward: amount,
-		OutgoingCTLV:    expiry,
+		OutgoingCLTV:    expiry,
 		NextHop:         Exit,
 	}
 
@@ -114,7 +114,7 @@ func TestValidateFinalHtlc(t *testing.T) {
 		maxCltvDelta: maxCltvDelta,
 		fwdInfo: ForwardingInfo{
 			AmountToForward: amount,
-			OutgoingCTLV:    expiry + maxCltvDelta + 2,
+			OutgoingCLTV:    expiry + maxCltvDelta + 2,
 			NextHop:         Exit,
 		},
 		validateAmount: true,
diff --git a/htlcswitch/hop/fuzz_test.go b/htlcswitch/hop/fuzz_test.go
index 7cfc30a..bafede0 100644
--- a/htlcswitch/hop/fuzz_test.go
+++ b/htlcswitch/hop/fuzz_test.go
@@ -88,7 +88,7 @@ func FuzzOnionPacket(f *testing.F) {
 func hopFromPayload(p *Payload) (*route.Hop, uint64) {
 	return &route.Hop{
 		AmtToForward:     p.FwdInfo.AmountToForward,
-		OutgoingTimeLock: p.FwdInfo.OutgoingCTLV,
+		OutgoingTimeLock: p.FwdInfo.OutgoingCLTV,
 		MPP:              p.MPP,
 		AMP:              p.AMP,
 		Metadata:         p.metadata,
diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go
index cc539fe..ada071e 100644
--- a/htlcswitch/hop/iterator.go
+++ b/htlcswitch/hop/iterator.go
@@ -327,7 +327,7 @@ func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator,
 	payload.FwdInfo = ForwardingInfo{
 		NextHop:         nextSCID.Val,
 		AmountToForward: fwdAmt,
-		OutgoingCTLV: r.blindingKit.IncomingCltv - uint32(
+		OutgoingCLTV: r.blindingKit.IncomingCltv - uint32(
 			relayInfo.Val.CltvExpiryDelta,
 		),
 		// Remap from blinding override type to blinding point type.
diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go
index e3d1efd..e60aa16 100644
--- a/htlcswitch/hop/iterator_test.go
+++ b/htlcswitch/hop/iterator_test.go
@@ -35,7 +35,7 @@ func TestSphinxHopIteratorForwardingInstructions(t *testing.T) {
 	expectedFwdInfo := ForwardingInfo{
 		NextHop:         lnwire.NewShortChanIDFromInt(nextAddrInt),
 		AmountToForward: lnwire.MilliSatoshi(hopData.ForwardAmount),
-		OutgoingCTLV:    hopData.OutgoingCltv,
+		OutgoingCLTV:    hopData.OutgoingCltv,
 	}
 
 	// For our TLV payload, we'll serialize the hop into into a TLV stream
diff --git a/htlcswitch/hop/payload.go b/htlcswitch/hop/payload.go
index 052cf18..dccbc3a 100644
--- a/htlcswitch/hop/payload.go
+++ b/htlcswitch/hop/payload.go
@@ -128,7 +128,7 @@ func NewLegacyPayload(f *sphinx.HopData) *Payload {
 		FwdInfo: ForwardingInfo{
 			NextHop:         lnwire.NewShortChanIDFromInt(nextHop),
 			AmountToForward: lnwire.MilliSatoshi(f.ForwardAmount),
-			OutgoingCTLV:    f.OutgoingCltv,
+			OutgoingCLTV:    f.OutgoingCltv,
 		},
 		customRecords: make(record.CustomSet),
 	}
@@ -203,7 +203,7 @@ func ParseTLVPayload(r io.Reader) (*Payload, map[tlv.Type][]byte, error) {
 		FwdInfo: ForwardingInfo{
 			NextHop:         lnwire.NewShortChanIDFromInt(cid),
 			AmountToForward: lnwire.MilliSatoshi(amt),
-			OutgoingCTLV:    cltv,
+			OutgoingCLTV:    cltv,
 		},
 		MPP:           mpp,
 		AMP:           amp,
diff --git a/htlcswitch/link.go b/htlcswitch/link.go
index bc665c9..0b4516d 100644
--- a/htlcswitch/link.go
+++ b/htlcswitch/link.go
@@ -3232,7 +3232,7 @@ func (l *channelLink) processRemoteAdds(fwdPkg *channeldb.FwdPkg) {
 				// Otherwise, it was already processed, we can
 				// can collect it and continue.
 				outgoingAdd := &lnwire.UpdateAddHTLC{
-					Expiry:        fwdInfo.OutgoingCTLV,
+					Expiry:        fwdInfo.OutgoingCLTV,
 					Amount:        fwdInfo.AmountToForward,
 					PaymentHash:   add.PaymentHash,
 					BlindingPoint: fwdInfo.NextBlinding,
@@ -3271,7 +3271,7 @@ func (l *channelLink) processRemoteAdds(fwdPkg *channeldb.FwdPkg) {
 					htlc:                 outgoingAdd,
 					obfuscator:           obfuscator,
 					incomingTimeout:      add.Expiry,
-					outgoingTimeout:      fwdInfo.OutgoingCTLV,
+					outgoingTimeout:      fwdInfo.OutgoingCLTV,
 					inOnionCustomRecords: pld.CustomRecords(),
 					inboundFee:           inboundFee,
 					inWireCustomRecords:  add.CustomRecords.Copy(),
@@ -3290,7 +3290,7 @@ func (l *channelLink) processRemoteAdds(fwdPkg *channeldb.FwdPkg) {
 			// create the outgoing HTLC using the parameters as
 			// specified in the forwarding info.
 			addMsg := &lnwire.UpdateAddHTLC{
-				Expiry:        fwdInfo.OutgoingCTLV,
+				Expiry:        fwdInfo.OutgoingCLTV,
 				Amount:        fwdInfo.AmountToForward,
 				PaymentHash:   add.PaymentHash,
 				BlindingPoint: fwdInfo.NextBlinding,
@@ -3348,7 +3348,7 @@ func (l *channelLink) processRemoteAdds(fwdPkg *channeldb.FwdPkg) {
 					htlc:                 addMsg,
 					obfuscator:           obfuscator,
 					incomingTimeout:      add.Expiry,
-					outgoingTimeout:      fwdInfo.OutgoingCTLV,
+					outgoingTimeout:      fwdInfo.OutgoingCLTV,
 					inOnionCustomRecords: pld.CustomRecords(),
 					inboundFee:           inboundFee,
 					inWireCustomRecords:  add.CustomRecords.Copy(),
@@ -3477,7 +3477,7 @@ func (l *channelLink) processExitHop(add lnwire.UpdateAddHTLC,
 	case hop.FinalHtlcInvalidCltv:
 		l.log.Errorf("onion payload of incoming htlc(%x) has "+
 			"incompatible time-lock: expected <=%v, got %v",
-			add.PaymentHash, add.Expiry, fwdInfo.OutgoingCTLV)
+			add.PaymentHash, add.Expiry, fwdInfo.OutgoingCLTV)
 
 		failure := NewLinkError(
 			lnwire.NewFinalIncorrectCltvExpiry(add.Expiry),
diff --git a/htlcswitch/link_test.go b/htlcswitch/link_test.go
index d065bbb..fdc455f 100644
--- a/htlcswitch/link_test.go
+++ b/htlcswitch/link_test.go
@@ -779,13 +779,13 @@ func testChannelLinkInboundFee(t *testing.T, //nolint:thelper
 				NextHop: n.carolChannelLink.
 					ShortChanID(),
 				AmountToForward: 1_000_000,
-				OutgoingCTLV:    106,
+				OutgoingCLTV:    106,
 			},
 		},
 		{
 			FwdInfo: hop.ForwardingInfo{
 				AmountToForward: 1_000_000,
-				OutgoingCTLV:    106,
+				OutgoingCLTV:    106,
 			},
 		},
 	}
@@ -973,7 +973,7 @@ func TestExitNodeHTLCTimelockExceedsPayload(t *testing.T) {
 	// The proper value of the outgoing CLTV should be the policy set by
 	// the receiving node, instead we set it to be a value less than the
 	// incoming HTLC timelock.
-	hops[0].FwdInfo.OutgoingCTLV = htlcExpiry - 1
+	hops[0].FwdInfo.OutgoingCLTV = htlcExpiry - 1
 	firstHop := n.firstBobChannelLink.ShortChanID()
 	_, err = makePayment(
 		n.aliceServer, n.bobServer, firstHop, hops, amount, htlcAmt,
@@ -1011,7 +1011,7 @@ func TestExitNodeTimelockPayloadExceedsHTLC(t *testing.T) {
 	// The proper value of the outgoing CLTV should be the policy set by
 	// the receiving node, instead we set it to be a value greater than the
 	// incoming HTLC timelock.
-	hops[0].FwdInfo.OutgoingCTLV = htlcExpiry + 1
+	hops[0].FwdInfo.OutgoingCLTV = htlcExpiry + 1
 	firstHop := n.firstBobChannelLink.ShortChanID()
 	_, err = makePayment(
 		n.aliceServer, n.bobServer, firstHop, hops, amount, htlcAmt,
diff --git a/htlcswitch/mock.go b/htlcswitch/mock.go
index 637f3e2..e9be926 100644
--- a/htlcswitch/mock.go
+++ b/htlcswitch/mock.go
@@ -375,7 +375,8 @@ func encodeFwdInfo(w io.Writer, f *hop.ForwardingInfo) error {
 		return err
 	}
 
-	if err := binary.Write(w, binary.BigEndian, f.OutgoingCTLV); err != nil {
+	err := binary.Write(w, binary.BigEndian, f.OutgoingCLTV)
+	if err != nil {
 		return err
 	}
 
@@ -514,7 +515,7 @@ func (p *mockIteratorDecoder) DecodeHopIterator(r io.Reader, rHash []byte,
 			Realm:         [1]byte{}, // hop.BitcoinNetwork
 			NextAddress:   nextHopBytes,
 			ForwardAmount: uint64(f.AmountToForward),
-			OutgoingCltv:  f.OutgoingCTLV,
+			OutgoingCltv:  f.OutgoingCLTV,
 		})
 	}
 
@@ -569,7 +570,8 @@ func decodeFwdInfo(r io.Reader, f *hop.ForwardingInfo) error {
 		return err
 	}
 
-	if err := binary.Read(r, binary.BigEndian, &f.OutgoingCTLV); err != nil {
+	err := binary.Read(r, binary.BigEndian, &f.OutgoingCLTV)
+	if err != nil {
 		return err
 	}
 
diff --git a/htlcswitch/switch_test.go b/htlcswitch/switch_test.go
index 2f66fed..93d16b3 100644
--- a/htlcswitch/switch_test.go
+++ b/htlcswitch/switch_test.go
@@ -3597,7 +3597,7 @@ func getThreeHopEvents(channels *clusterChannels, htlcID uint64,
 	bobInfo := HtlcInfo{
 		IncomingTimeLock: htlc.Expiry,
 		IncomingAmt:      htlc.Amount,
-		OutgoingTimeLock: hops[1].FwdInfo.OutgoingCTLV,
+		OutgoingTimeLock: hops[1].FwdInfo.OutgoingCLTV,
 		OutgoingAmt:      hops[1].FwdInfo.AmountToForward,
 	}
 
diff --git a/witness_beacon.go b/witness_beacon.go
index 6c315d0..eba0bca 100644
--- a/witness_beacon.go
+++ b/witness_beacon.go
@@ -102,7 +102,7 @@ func (p *preimageBeacon) SubscribeUpdates(
 			HtlcID: htlc.HtlcIndex,
 		},
 		OutgoingChanID:       payload.FwdInfo.NextHop,
-		OutgoingExpiry:       payload.FwdInfo.OutgoingCTLV,
+		OutgoingExpiry:       payload.FwdInfo.OutgoingCLTV,
 		OutgoingAmount:       payload.FwdInfo.AmountToForward,
 		InOnionCustomRecords: payload.CustomRecords(),
 		InWireCustomRecords:  htlc.CustomRecords,