/**
* Stages the contribution parameters
* @param array $params Key-value pairs of the contribution parameters we
* want to pass in.
* @return array Staged key-value pairs ready to be saved as a contribution.
*/
static function stage_contribution($params)
{
//change the posted names to match the db where necessary
ContributionTrackingProcessor::rekey($params, 'comment', 'note');
ContributionTrackingProcessor::rekey_invert_boolean($params, 'comment-option', 'anonymous');
ContributionTrackingProcessor::rekey_invert_boolean($params, 'email-opt', 'optout');
$tracked_contribution = ContributionTrackingProcessor::mergeArrayDefaults($params, ContributionTrackingProcessor::getContributionDefaults(), true);
return $tracked_contribution;
}