fixed cashOut rates bug

lib/plugins.js

@@ -45,7 +45,7 @@ function plugins (settings, deviceId) {
       const cashInCommission = BN(1).add(BN(cryptoConfig.cashInCommission).div(100))
 
       const cashOutCommission = _.isNil(cryptoConfig.cashOutCommission)
-      ? null
+      ? undefined
       : BN(1).add(BN(cryptoConfig.cashOutCommission).div(100))
 
       if (Date.now() - rateRec.timestamp > STALE_TICKER) return logger.warn('Stale rate for ' + cryptoCode)
@@ -56,9 +56,16 @@ function plugins (settings, deviceId) {
       }
     })
 
+    console.log('DEBUG100: %j', rates)
+
     return rates
   }
 
+  function notificationsEnabled () {
+    const config = configManager.unscoped(settings.config)
+    return config.notificationsEnabled
+  }
+
   function buildBalances (balanceRecs) {
     const config = configManager.machineScoped(deviceId, settings.config)
     const cryptoCodes = config.cryptoCurrencies
@@ -606,7 +613,8 @@ function plugins (settings, deviceId) {
     getMachineNames,
     buildAvailableCassettes,
     buy,
-    sell
+    sell,
+    notificationsEnabled
   }
 }