From 5565d8dae53ebe5ce00a76b16d5280c75f800f2a Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Thu, 26 Mar 2020 01:21:16 +0900
Subject: [PATCH] Catch error with bitflyer

---
 BTCPayServer.Rating/Providers/BitflyerRateProvider.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/BTCPayServer.Rating/Providers/BitflyerRateProvider.cs b/BTCPayServer.Rating/Providers/BitflyerRateProvider.cs
index afe1a46c9..4785cc517 100644
--- a/BTCPayServer.Rating/Providers/BitflyerRateProvider.cs
+++ b/BTCPayServer.Rating/Providers/BitflyerRateProvider.cs
@@ -21,6 +21,10 @@ namespace BTCPayServer.Services.Rates
         {
             var response = await _httpClient.GetAsync("https://api.bitflyer.jp/v1/ticker", cancellationToken);
             var jobj = await response.Content.ReadAsAsync<JObject>(cancellationToken);
+            if (jobj.Property("error_message")?.Value?.Value<string>() is string err)
+            {
+                throw new Exception($"Error from bitflyer: {err}");
+            }
             var bid = jobj.Property("best_bid").Value.Value<decimal>();
             var ask = jobj.Property("best_ask").Value.Value<decimal>();
             var rates = new PairRate[1];