improve config loading; remove debug

lib/admin/server.js

@@ -45,19 +45,26 @@ function status () {
     const lastPing = statusRow && age.humanize()
 
     return settingsLoader.loadLatest()
+    .catch(() => null)
     .then(settings => {
-      return ticker.getRates(settings, 'USD', 'BTC')
-      .then(ratesRec => {
-        const rates = [{
-          crypto: 'BTC',
-          bid: parseFloat(ratesRec.rates.bid),
-          ask: parseFloat(ratesRec.rates.ask)
-        }]
-        return {up, lastPing, rates, machineStatus}
-      })
-      .catch(() => ({up, lastPing, rates: [], machineStatus}))
+      return getRates(settings)
+      .then(rates => ({up, lastPing, rates, machineStatus}))
     })
   })
 }
 
+function getRates (settings) {
+  if (!settings) return Promise.resolve([])
+
+  return ticker.getRates(settings, 'USD', 'BTC')
+  .then(ratesRec => {
+    return [{
+      crypto: 'BTC',
+      bid: parseFloat(ratesRec.rates.bid),
+      ask: parseFloat(ratesRec.rates.ask)
+    }]
+  })
+  .catch(() => [])
+}
+
 module.exports = {status}