lncfg: add protocol config option for script enforced lease support

lncfg/protocol.go

@@ -24,6 +24,11 @@ type ProtocolOptions struct {
 	// NoAnchors should be set if we don't want to support opening or accepting
 	// channels having the anchor commitment type.
 	NoAnchors bool `long:"no-anchors" description:"disable support for anchor commitments"`
+
+	// NoScriptEnforcedLease should be set if we don't want to support
+	// opening or accepting channels having the script enforced commitment
+	// type for leased channel.
+	NoScriptEnforcedLease bool `long:"no-script-enforced-lease" description:"disable support for script enforced lease commitments"`
 }
 
 // Wumbo returns true if lnd should permit the creation and acceptance of wumbo
@@ -37,3 +42,9 @@ func (l *ProtocolOptions) Wumbo() bool {
 func (l *ProtocolOptions) NoAnchorCommitments() bool {
 	return l.NoAnchors
 }
+
+// NoScriptEnforcementLease returns true if we have disabled support for the
+// script enforcement commitment type for leased channels.
+func (l *ProtocolOptions) NoScriptEnforcementLease() bool {
+	return l.NoScriptEnforcedLease
+}