code: function (account) {
  	// check if DB is initialized
  	if (typeof l_accounts === 'undefined') {
  		LOG.error('DB module is not loaded, please enable DB module', l_name);
  		return false;
  	}
  
  	if (l_accounts.hasOwnProperty(account) === false) {
  		LOG.error('[' + account + '] not found', l_name);
  		return false;
  	}
  
  	return true;
  }
docs: helper functions  check if an account is valid