give lock preference to the new instance

config.js

@@ -89,7 +89,7 @@ path: '/',
     verbose: 1,
     // will duplicate itself after each try
     reconnectDelay: 5000,
-    idleDurationMin: 1  
+    idleDurationMin: 4
   },
 
   // blockchain service API config

js/models/core/WalletLock.js

@@ -10,7 +10,7 @@ function WalletLock(storage, walletId, timeoutMin) {
   this.storage = storage;
   this.timeoutMin = timeoutMin || 5;
   this.key = WalletLock._keyFor(walletId);
-  this.keepAlive();
+  this._setLock();
 }
 WalletLock._keyFor = function(walletId) {
   return 'lock' + '::' + walletId;
@@ -29,17 +29,21 @@ WalletLock.prototype._isLockedByOther = function() {
 };
 
 
+WalletLock.prototype._setLock = function() {
+  this.storage.setGlobal(this.key, {
+    sessionId: this.sessionId,
+    expireTs: Date.now() + this.timeoutMin * 60 * 1000,
+  });
+};
+
+
 WalletLock.prototype.keepAlive = function() {
   preconditions.checkState(this.sessionId);
 
   var t = this._isLockedByOther();
   if (t)
     throw new Error('Wallet is already open. Close it to proceed or wait '+ t + ' seconds if you close it already' );
-
+  this._setLock();
-  this.storage.setGlobal(this.key, {
-    sessionId: this.sessionId,
-    expireTs: Date.now() + this.timeoutMin * 60 * 1000,
-  });
 };
 
 

js/routes.js

@@ -77,7 +77,7 @@ angular
   var timeout = config.wallet.idleDurationMin * 60 || 300;
   $idleProvider.idleDuration(timeout); // in seconds
   $idleProvider.warningDuration(20); // in seconds
-  $keepaliveProvider.interval(5); // in seconds
+  $keepaliveProvider.interval(2); // in seconds
 })
 .run(function($rootScope, $location, $idle) {
   $idle.watch();