From d7583107bcfcc5a913d5e522b142b6ce5a5fb70a Mon Sep 17 00:00:00 2001
From: Alexey <peretsmobil@gmail.com>
Date: Thu, 17 Oct 2019 20:02:13 +0300
Subject: [PATCH] BN fix

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 38bea54..e128374 100644
--- a/index.js
+++ b/index.js
@@ -66,7 +66,7 @@ app.post('/relay', async (req, resp) => {
   let desiredFee
   switch (currency) {
     case 'eth': {
-      if (refund !== 0) {
+      if (!refund.isZero()) {
         return resp.status(400).json({ error: 'Cannot send refund for eth currency.' })
       }
       desiredFee = expense