Using Omnipay Paypal With Laravel Route

route.php

<?php

Route::get('', array(
			'as' => 'home',
			'uses'	=> 'BaseController@getIndex'
		)
);
Route::post('pay_via_paypal', 'PaymentController@postPayment');
Route::get('payment_success', 'PaymentController@getSuccessPayment');
Route::get('cancel_order', function() {
	return Redirect:route('home');
});