protected function _formatRequest()
{
$format = '<iframe src="%s" width="%s" height="%s" scrolling="%s" frameBorder="%s"> <p>Unable to load the payment page</p> </iframe>';
$this->iframe = sprintf($format, $this->iframe_src, $this->oauthCredentials->getIframeDimensions()->getWidth(), $this->oauthCredentials->getIframeDimensions()->getHeight(), $this->oauthCredentials->getIframeDimensions()->getScrolling(), $this->oauthCredentials->getIframeDimensions()->getFrameBorder());
}
function getSigned()
{
$this->request->sign_request($this->oauthCredentials->getSignatureMethod(), $this->oauthCredentials->getConsumer(), $this->oauthCredentials->getToken());
return $this->request;
}