protected function payment_status_completed( $order, $posted ) {
		if ( $order->has_status( wc_get_is_paid_statuses() ) ) {
			WC_Gateway_Paypal::log( 'Aborting, Order #' . $order->get_id() . ' is already complete.' );
			exit;
		}

		$this->validate_transaction_type( $posted['txn_type'] );
		$this->validate_currency( $order, $posted['mc_currency'] );
		$this->validate_amount( $order, $posted['mc_gross'] );
		$this->validate_receiver_email( $order, $posted['receiver_email'] );
		$this->save_paypal_meta_data( $order, $posted );

		if ( 'completed' === $posted['payment_status'] ) {
			if ( $order->has_status( 'cancelled' ) ) {
				$this->payment_status_paid_cancelled_order( $order, $posted );
			}

			if ( ! empty( $posted['mc_fee'] ) ) {
				$order->add_meta_data( 'PayPal Transaction Fee', wc_clean( $posted['mc_fee'] ) );
			}

			$this->payment_complete( $order, ( ! empty( $posted['txn_id'] ) ? wc_clean( $posted['txn_id'] ) : '' ), __( 'IPN payment completed', 'woocommerce' ) );
		} else {
			if ( 'authorization' === $posted['pending_reason'] ) {
				$this->payment_on_hold( $order, __( 'Payment authorized. Change payment status to processing or complete to capture funds.', 'woocommerce' ) );
			} else {
				/* translators: %s: pending reason. */
				$this->payment_on_hold( $order, sprintf( __( 'Payment pending (%s).', 'woocommerce' ), $posted['pending_reason'] ) );
			}
		}
	}