chanstate: use channel types in watchtower

diff --git a/watchtower/blob/type.go b/watchtower/blob/type.go
index 00415af..df04769 100644
--- a/watchtower/blob/type.go
+++ b/watchtower/blob/type.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/chanstate"
 )
 
 // Flag represents a specify option that can be present in a Type.
@@ -97,7 +97,7 @@ const (
 
 // TypeFromChannel returns the appropriate blob Type for the given channel
 // type.
-func TypeFromChannel(chanType channeldb.ChannelType) Type {
+func TypeFromChannel(chanType chanstate.ChannelType) Type {
 	switch {
 	case chanType.IsTaprootFinal():
 		return TypeAltruistTaprootFinalCommit
@@ -130,7 +130,7 @@ func (t Type) Identifier() (string, error) {
 
 // CommitmentType returns the appropriate CommitmentType for the given blob Type
 // and channel type.
-func (t Type) CommitmentType(chanType *channeldb.ChannelType) (CommitmentType,
+func (t Type) CommitmentType(chanType *chanstate.ChannelType) (CommitmentType,
 	error) {
 
 	switch {
diff --git a/watchtower/wtclient/backup_task_internal_test.go b/watchtower/wtclient/backup_task_internal_test.go
index 1fa1605..5f725a8 100644
--- a/watchtower/wtclient/backup_task_internal_test.go
+++ b/watchtower/wtclient/backup_task_internal_test.go
@@ -10,7 +10,7 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/v2"
 	"github.com/btcsuite/btcd/txscript/v2"
 	"github.com/btcsuite/btcd/wire/v2"
-	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/chanstate"
 	"github.com/lightningnetwork/lnd/fn/v2"
 	"github.com/lightningnetwork/lnd/input"
 	"github.com/lightningnetwork/lnd/keychain"
@@ -65,7 +65,7 @@ type backupTaskTest struct {
 	bindErr          error
 	expSweepScript   []byte
 	signer           input.Signer
-	chanType         channeldb.ChannelType
+	chanType         chanstate.ChannelType
 	commitType       blob.CommitmentType
 }
 
@@ -85,7 +85,7 @@ func genTaskTest(
 	expSweepAmt int64,
 	expRewardAmt int64,
 	bindErr error,
-	chanType channeldb.ChannelType) backupTaskTest {
+	chanType chanstate.ChannelType) backupTaskTest {
 
 	// Set the anchor or taproot flag in the blob type if the session needs
 	// to support anchor or taproot channels.
@@ -331,11 +331,11 @@ var (
 func TestBackupTask(t *testing.T) {
 	t.Parallel()
 
-	chanTypes := []channeldb.ChannelType{
-		channeldb.SingleFunderBit,
-		channeldb.SingleFunderTweaklessBit,
-		channeldb.AnchorOutputsBit,
-		channeldb.SimpleTaprootFeatureBit,
+	chanTypes := []chanstate.ChannelType{
+		chanstate.SingleFunderBit,
+		chanstate.SingleFunderTweaklessBit,
+		chanstate.AnchorOutputsBit,
+		chanstate.SimpleTaprootFeatureBit,
 	}
 
 	var backupTaskTests []backupTaskTest
@@ -573,7 +573,7 @@ func testBackupTask(t *testing.T, test backupTaskTest) {
 	// getBreachInfo is a helper closure that returns the breach retribution
 	// info and channel type for the given channel and commit height.
 	getBreachInfo := func(id lnwire.ChannelID, commitHeight uint64) (
-		*lnwallet.BreachRetribution, channeldb.ChannelType, error) {
+		*lnwallet.BreachRetribution, chanstate.ChannelType, error) {
 
 		return test.breachInfo, test.chanType, nil
 	}
diff --git a/watchtower/wtclient/client.go b/watchtower/wtclient/client.go
index f8f3d3e..41edb59 100644
--- a/watchtower/wtclient/client.go
+++ b/watchtower/wtclient/client.go
@@ -13,7 +13,7 @@ import (
 
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/btcsuite/btclog/v2"
-	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/chanstate"
 	"github.com/lightningnetwork/lnd/keychain"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -94,7 +94,7 @@ type RegisteredTower struct {
 // BreachRetribution from a channel ID and a commitment height.
 type BreachRetributionBuilder func(id lnwire.ChannelID,
 	commitHeight uint64) (*lnwallet.BreachRetribution,
-	channeldb.ChannelType, error)
+	chanstate.ChannelType, error)
 
 // newTowerMsg is an internal message we'll use within the client to signal
 // that a new tower can be considered.
diff --git a/watchtower/wtclient/client_test.go b/watchtower/wtclient/client_test.go
index b44d3e2..99c0e0a 100644
--- a/watchtower/wtclient/client_test.go
+++ b/watchtower/wtclient/client_test.go
@@ -19,6 +19,7 @@ import (
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/channelnotifier"
+	"github.com/lightningnetwork/lnd/chanstate"
 	"github.com/lightningnetwork/lnd/fn/v2"
 	"github.com/lightningnetwork/lnd/input"
 	"github.com/lightningnetwork/lnd/keychain"
@@ -512,7 +513,7 @@ func newHarness(t *testing.T, cfg harnessCfg) *testHarness {
 	})
 
 	fetchChannel := func(id lnwire.ChannelID) (
-		*channeldb.ChannelCloseSummary, error) {
+		*chanstate.ChannelCloseSummary, error) {
 
 		h.mu.Lock()
 		defer h.mu.Unlock()
@@ -522,7 +523,7 @@ func newHarness(t *testing.T, cfg harnessCfg) *testHarness {
 			return nil, channeldb.ErrClosedChannelNotFound
 		}
 
-		return &channeldb.ChannelCloseSummary{CloseHeight: height}, nil
+		return &chanstate.ChannelCloseSummary{CloseHeight: height}, nil
 	}
 
 	h.clientPolicy = cfg.policy
@@ -550,11 +551,11 @@ func newHarness(t *testing.T, cfg harnessCfg) *testHarness {
 
 	h.clientCfg.BuildBreachRetribution = func(id lnwire.ChannelID,
 		commitHeight uint64) (*lnwallet.BreachRetribution,
-		channeldb.ChannelType, error) {
+		chanstate.ChannelType, error) {
 
 		_, retribution := h.channelFromID(id).getState(commitHeight)
 
-		return retribution, channeldb.SimpleTaprootFeatureBit, nil
+		return retribution, chanstate.SimpleTaprootFeatureBit, nil
 	}
 
 	if !cfg.noServerStart {
@@ -687,7 +688,7 @@ func (h *testHarness) closeChannel(id uint64, height uint32) {
 	}
 
 	h.channelEvents.sendUpdate(channelnotifier.ClosedChannelEvent{
-		CloseSummary: &channeldb.ChannelCloseSummary{
+		CloseSummary: &chanstate.ChannelCloseSummary{
 			ChanPoint: wire.OutPoint{
 				Hash:  *chanPointHash,
 				Index: 0,
@@ -703,7 +704,7 @@ func (h *testHarness) registerChannel(id uint64) {
 
 	chanID := chanIDFromInt(id)
 	err := h.clientMgr.RegisterChannel(
-		chanID, channeldb.SimpleTaprootFeatureBit,
+		chanID, chanstate.SimpleTaprootFeatureBit,
 	)
 	require.NoError(h.t, err)
 }
diff --git a/watchtower/wtclient/manager.go b/watchtower/wtclient/manager.go
index 03a344a..6d9ae18 100644
--- a/watchtower/wtclient/manager.go
+++ b/watchtower/wtclient/manager.go
@@ -12,6 +12,7 @@ import (
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/channelnotifier"
+	"github.com/lightningnetwork/lnd/chanstate"
 	"github.com/lightningnetwork/lnd/fn/v2"
 	"github.com/lightningnetwork/lnd/input"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -67,7 +68,7 @@ type ClientManager interface {
 	// parameters within the client. This should be called during link
 	// startup to ensure that the client is able to support the link during
 	// operation.
-	RegisterChannel(lnwire.ChannelID, channeldb.ChannelType) error
+	RegisterChannel(lnwire.ChannelID, chanstate.ChannelType) error
 
 	// BackupState initiates a request to back up a particular revoked
 	// state. If the method returns nil, the backup is guaranteed to be
@@ -93,7 +94,7 @@ type Config struct {
 	// channel. If the channel is not found or not yet closed then
 	// channeldb.ErrClosedChannelNotFound will be returned.
 	FetchClosedChannel func(cid lnwire.ChannelID) (
-		*channeldb.ChannelCloseSummary, error)
+		*chanstate.ChannelCloseSummary, error)
 
 	// ChainNotifier can be used to subscribe to block notifications.
 	ChainNotifier chainntnfs.ChainNotifier
@@ -597,7 +598,7 @@ func (m *Manager) Policy(blobType blob.Type) (wtpolicy.Policy, error) {
 // within the client. This should be called during link startup to ensure that
 // the client is able to support the link during operation.
 func (m *Manager) RegisterChannel(id lnwire.ChannelID,
-	chanType channeldb.ChannelType) error {
+	chanType chanstate.ChannelType) error {
 
 	blobType := blob.TypeFromChannel(chanType)