Ajustes na função de block.

public/js/wc-fvc-public.js

@@ -6,10 +6,10 @@
 		 * Initialize actions.
 		 */
 		init: function() {
-			$( document.body ).on( 'submit', '.woocommerce-shipping-calculator', function(event) {
+			$( document.body ).on( 'submit', 'form.woocommerce-shipping-calculator', function(event) {
 				event.preventDefault();
 
-				WC_Fvc.block();
+				WC_Fvc.block('form.woocommerce-shipping-calculator, div.cart_totals');
 
 				var cep = $('#calc_shipping_postcode').val();
 
@@ -28,6 +28,7 @@
 							$('#calc_shipping_state').val(address.data.state).change();
 							$('#calc_shipping_city').val(address.data.city).change();
 						}
+						WC_Fvc.unblock('form.woocommerce-shipping-calculator, div.cart_totals');
 					},
 				});
 			});
@@ -36,8 +37,8 @@
 		/**
 		 * Block shipping form.
 		 */
-		block: function() {
-			$('.woocommerce-shipping-calculator, div.cart_totals')
+		block: function(elements) {
+			$(elements)
 			.addClass('processing')
 			.block({
 				message: null,
@@ -51,8 +52,8 @@
 		/**
 		 * Unblock checkout.
 		 */
-		unblock: function() {
-			$('.woocommerce-shipping-calculator, div.cart_totals')
+		unblock: function(elements) {
+			$(elements)
 			.removeClass('processing')
 			.unblock();
 		},