From 346cdf24316c76169db796a296883357c692fec2 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Wed, 28 Feb 2018 23:12:09 +0900
Subject: [PATCH] show block gap if lightning node is not synched

---
 .../Payments/Lightning/LightningLikePaymentHandler.cs        | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/BTCPayServer/Payments/Lightning/LightningLikePaymentHandler.cs b/BTCPayServer/Payments/Lightning/LightningLikePaymentHandler.cs
index d632c7b45..776bcfe3f 100644
--- a/BTCPayServer/Payments/Lightning/LightningLikePaymentHandler.cs
+++ b/BTCPayServer/Payments/Lightning/LightningLikePaymentHandler.cs
@@ -73,9 +73,10 @@ namespace BTCPayServer.Payments.Lightning
                 throw new Exception($"Lightning node network {info.Network}, but expected is {network.CLightningNetworkName}");
             }
 
-            if (Math.Abs(info.BlockHeight - (await status).ChainHeight) > 10)
+            var blocksGap = Math.Abs(info.BlockHeight - (await status).ChainHeight);
+            if (blocksGap > 10)
             {
-                throw new Exception($"The lightning node is not synched");
+                throw new Exception($"The lightning is not synched ({blocksGap} blocks)");
             }
 
             try