From 8f57dcf28fd16efbc828241fd96418804457c887 Mon Sep 17 00:00:00 2001
From: "Johan T. Halseth" <johanth@gmail.com>
Date: Wed, 31 Mar 2021 12:42:02 +0200
Subject: [PATCH] routerrpc: validate DestFeatures from RPC

---
 lnrpc/routerrpc/router_backend.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lnrpc/routerrpc/router_backend.go b/lnrpc/routerrpc/router_backend.go
index 9cf2c710c..66b7244cd 100644
--- a/lnrpc/routerrpc/router_backend.go
+++ b/lnrpc/routerrpc/router_backend.go
@@ -13,6 +13,7 @@ import (
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/feature"
 	"github.com/lightningnetwork/lnd/htlcswitch"
 	"github.com/lightningnetwork/lnd/lnrpc"
 	"github.com/lightningnetwork/lnd/lntypes"
@@ -757,6 +758,14 @@ func (r *RouterBackend) extractIntentFromSendRequest(
 			return nil, err
 		}
 
+		// Validate the features if any was specified.
+		if features != nil {
+			err = feature.ValidateDeps(features)
+			if err != nil {
+				return nil, err
+			}
+		}
+
 		// If the payment addresses is specified, then we'll also
 		// populate that now as well.
 		if len(rpcPayReq.PaymentAddr) != 0 {