channeldb: final htlc resolution storage opt-in

channeldb/options.go

@@ -74,6 +74,10 @@ type Options struct {
 	// keepFailedPaymentAttempts determines whether failed htlc attempts
 	// are kept on disk or removed to save space.
 	keepFailedPaymentAttempts bool
+
+	// storeFinalHtlcResolutions determines whether to persistently store
+	// the final resolution of incoming htlcs.
+	storeFinalHtlcResolutions bool
 }
 
 // DefaultOptions returns an Options populated with default values.
@@ -187,6 +191,16 @@ func OptionKeepFailedPaymentAttempts(keepFailedPaymentAttempts bool) OptionModif
 	}
 }
 
+// OptionStoreFinalHtlcResolutions controls whether to persistently store the
+// final resolution of incoming htlcs.
+func OptionStoreFinalHtlcResolutions(
+	storeFinalHtlcResolutions bool) OptionModifier {
+
+	return func(o *Options) {
+		o.storeFinalHtlcResolutions = storeFinalHtlcResolutions
+	}
+}
+
 // OptionPruneRevocationLog specifies whether the migration for pruning
 // revocation logs needs to be applied or not.
 func OptionPruneRevocationLog(prune bool) OptionModifier {