From 066c278ed8d5275c34f35941348d683f2570885d Mon Sep 17 00:00:00 2001
From: Josh Harvey <josh@lamassu.is>
Date: Wed, 12 Jul 2017 20:41:06 +0300
Subject: [PATCH] better of handling of wallet balance errors

---
 lib/wallet.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/wallet.js b/lib/wallet.js
index 033a2ea3..6285c1bf 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -39,10 +39,20 @@ function fetchWallet (settings, cryptoCode) {
   })
 }
 
+const lastBalance = {}
+
 function balance (settings, cryptoCode) {
   return fetchWallet(settings, cryptoCode)
   .then(r => r.wallet.balance(r.account, cryptoCode))
   .then(balance => ({balance, timestamp: Date.now()}))
+  .then(r => {
+    lastBalance[cryptoCode] = r
+    return r
+  })
+  .catch(err => {
+    console.error(err)
+    return lastBalance[cryptoCode]
+  })
 }
 
 function sendCoins (settings, toAddress, cryptoAtoms, cryptoCode) {