reload config on each poll

lib/app.js

@@ -46,6 +46,17 @@ module.exports = function(options) {
 
   app.use(express.bodyParser());
 
+  var reloadConfigMiddleware = function(req, res, next) {
+    lamassuConfig.load(function(err, config) {
+      if (err) {
+        logger.error('Error while reloading config');
+        return next(err)
+      }
+      plugins.configure(config);
+      next();
+    });    
+  };
+  
   var authMiddleware;
 
   if (options.https) {
@@ -91,6 +102,7 @@ module.exports = function(options) {
     lamassuConfig: lamassuConfig,
     plugins: plugins,
     authMiddleware: authMiddleware,
+    reloadConfigMiddleware: reloadConfigMiddleware,
     mock: options.mock
   });
 

lib/plugins.js

@@ -119,6 +119,7 @@ function loadOrConfigPlugin(pluginHandle, pluginType, currency,
     if (pluginHandle && !pluginChanged) pluginHandle.config(pluginConfig);
     else {
       pluginHandle = loadPlugin(currentName, pluginConfig);
+      currentlyUsedPlugins[pluginType] = currentName
       logger.debug('plugin(%s) loaded: %s', pluginType, pluginHandle.NAME ||
         currentName);        
     }
@@ -183,7 +184,7 @@ exports.configure = function configure(config) {
     'info'
   );
 };
-exports.getCachedConfig = function getCachedConfig() {
+exports.getConfig = function getConfig() {
   return cachedConfig;
 };
 
@@ -210,7 +211,7 @@ function buildCartridges(cartridges, virtualCartridges, rec) {
 
 exports.pollQueries = function pollQueries(session, cb) {
   var cartridges = cachedConfig.exchanges.settings.cartridges;
-  if (!cartridges) return null;
+  if (!cartridges) return cb(null, {});
   var virtualCartridges = cachedConfig.exchanges.settings.virtualCartridges;
 
   db.cartridgeCounts(session, function(err, result) {

lib/routes.js

@@ -51,7 +51,7 @@ function poll(req, res) {
     return res.json({err: 'No balance available'});
   }
 
-  var config = plugins.getCachedConfig();
+  var config = plugins.getConfig();
   var settings = config.exchanges.settings;
   var complianceSettings = settings.compliance;
   var fiatCommission = settings.fiatCommission || settings.commission;
@@ -183,9 +183,10 @@ function init(localConfig) {
   mock = localConfig.mock;
 
   var authMiddleware = localConfig.authMiddleware;
+  var reloadConfigMiddleware = localConfig.reloadConfigMiddleware;
   var app = localConfig.app;
 
-  app.get('/poll', authMiddleware, poll);
+  app.get('/poll', authMiddleware, reloadConfigMiddleware, poll);
 
   app.post('/trade', authMiddleware, trade);
   app.post('/send', authMiddleware, send);