woocommerce / woocommerce-gateway-stripe

			$request['amount']  = WC_Stripe_Helper::get_stripe_amount( $amount, $request['currency'] );

			$response           = WC_Stripe_API::request( $request );

			if ( ! empty( $response->error ) ) {

				// We want to retry.

				if ( $this->is_retryable_error( $response->error ) ) {

					if ( $retry ) {

						// Don't do anymore retries after this.

						if ( 5 <= $this->retry_interval ) {

							return $this->process_subscription_payment( $amount, $renewal_order, false, $response->error );

						}

						sleep( $this->retry_interval );

						$this->retry_interval++;

						return $this->process_subscription_payment( $amount, $renewal_order, true, $response->error );

					} else {

						$localized_message = __( 'Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe' );

						$renewal_order->add_order_note( $localized_message );

						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );

					}

				}

				$localized_messages = WC_Stripe_Helper::get_localized_messages();

				if ( 'card_error' === $response->error->type ) {

					$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;

				} else {

					$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;

				}

				$renewal_order->add_order_note( $localized_message );

				throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );

			}

			do_action( 'wc_gateway_stripe_process_payment', $response, $renewal_order );

			// It's only a failed payment if it's an error and it's not of the type 'authentication_required'.

			// If it's 'authentication_required', then we should email the user and ask them to authenticate.

			if ( ! empty( $response->error ) && ! $is_authentication_required ) {

				// We want to retry.

				if ( $this->is_retryable_error( $response->error ) ) {

					if ( $retry ) {

						// Don't do anymore retries after this.

						if ( 5 <= $this->retry_interval ) {

							return $this->process_subscription_payment( $amount, $renewal_order, false, $response->error );

						}

						sleep( $this->retry_interval );

						$this->retry_interval++;

						return $this->process_subscription_payment( $amount, $renewal_order, true, $response->error );

					} else {

						$localized_message = __( 'Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe' );

						$renewal_order->add_order_note( $localized_message );

						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );

					}

				}

				$localized_messages = WC_Stripe_Helper::get_localized_messages();

				if ( 'card_error' === $response->error->type ) {

					$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;

				} else {

					$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;

				}

				$renewal_order->add_order_note( $localized_message );

				throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );

			}

			// Either the charge was successfully captured, or it requires further authentication.