From fb023b02be53b47a0b5b837001fc7b08dd7f3bd1 Mon Sep 17 00:00:00 2001
From: Overtorment <overtorment@gmail.com>
Date: Thu, 14 Apr 2022 12:36:33 +0100
Subject: [PATCH] FIX: race condition for address generation

---
 class/User.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/class/User.js b/class/User.js
index a4f8e86..6f964af 100644
--- a/class/User.js
+++ b/class/User.js
@@ -119,6 +119,12 @@ export class User {
     return new Promise(function (resolve, reject) {
       self._lightning.newAddress({ type: 0 }, async function (err, response) {
         if (err) return reject('LND failure when trying to generate new address');
+        const addressAlreadyExists = await self.getAddress();
+        if (addressAlreadyExists) {
+          // one last final check, for a case of really long race condition
+          resolve();
+          return;
+        }
         await self.addAddress(response.address);
         if (config.bitcoind) self._bitcoindrpc.request('importaddress', [response.address, response.address, false]);
         resolve();