Merge pull request #174 from isocolsky/fix/stability

Fix/stability

lib/blockchainexplorer.js

@@ -44,9 +44,12 @@ function getTransactionsInsight(url, addresses, from, to, cb) {
     json: {
       addrs: [].concat(addresses).join(',')
     }
-  }, function(err, res, body) {
+  }, function(err, res, txs) {
     if (err || res.statusCode != 200) return cb(err || res);
-    return cb(null, body);
+    // NOTE: Whenever Insight breaks communication with bitcoind, it returns invalid data but no error code.
+    if (!_.isArray(txs) || (txs.length != _.compact(txs).length)) return cb(new Error('Could not retrieve transactions from blockchain'));
+
+    return cb(null, txs);
   });
 };
 

lib/server.js

@@ -1231,7 +1231,9 @@ WalletService.prototype.startScan = function(opts, cb) {
       self.scan(opts, scanFinished);
     }, 100);
 
-    return cb(null, {started: true});
+    return cb(null, {
+      started: true
+    });
   });
 };