From a99482b5a81c07c32654c0f856c7cf74796441b2 Mon Sep 17 00:00:00 2001
From: Tom Kirkpatrick <tkp@kirkdesigns.co.uk>
Date: Sun, 26 Apr 2020 14:38:37 +0200
Subject: [PATCH] feat(wallet): support connecting to .onion domains

---
 utils/validateHost.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/utils/validateHost.js b/utils/validateHost.js
index 1a3c6e099a1..46e11dd38af 100644
--- a/utils/validateHost.js
+++ b/utils/validateHost.js
@@ -23,16 +23,20 @@ const validateHost = async host => {
   try {
     const { host: lndHost, port: lndPort } = splitHostname(host)
 
-    // If the hostname starts with a number, ensure that it is a valid IP address.
-    if (!isFQDN(lndHost, { require_tld: false }) && !isIP(lndHost)) {
-      return createError(`${lndHost} is not a valid IP address or hostname`, 'LND_GRPC_HOST_ERROR')
-    }
-
     // If the host includes a port, ensure that it is a valid.
     if (lndPort && !isPort(lndPort)) {
       return createError(`${lndPort} is not a valid port`, 'LND_GRPC_HOST_ERROR')
     }
 
+    if (lndHost.endsWith('.onion')) {
+      return true
+    }
+
+    // If the hostname starts with a number, ensure that it is a valid IP address.
+    if (!isFQDN(lndHost, { require_tld: false }) && !isIP(lndHost)) {
+      return createError(`${lndHost} is not a valid IP address or hostname`, 'LND_GRPC_HOST_ERROR')
+    }
+
     try {
       // Do a DNS lookup to ensure that the host is reachable.
       await dnsLookup(lndHost)