public function addReserveCredit($hash_in) { $hash_out = Transactions::createReserveCreditHash($hash_in); $this->addTransaction($hash_out, $hash_in, 'reserveCredit'); $this->counts_and_amounts['reserveCredit']['count'] += 1; $this->counts_and_amounts['reserveCredit']['amount'] += $hash_out['amount']; }