feat(payment): PAYPAL-4937 url updates

Author: bc-nick

packages/core/src/payment/payment-method-action-creator.spec.ts

@@ -210,7 +210,7 @@ describe('PaymentMethodActionCreator', () => {
 
             expect(
                 paymentMethodRequestSender.loadPaymentWalletWithInitializationData,
-            ).toHaveBeenCalledWith(methodId, undefined, undefined);
+            ).toHaveBeenCalledWith(methodId, undefined);
         });
 
         it('loads payment wallet method with timeout', async () => {
@@ -228,7 +228,7 @@ describe('PaymentMethodActionCreator', () => {
 
             expect(
                 paymentMethodRequestSender.loadPaymentWalletWithInitializationData,
-            ).toHaveBeenCalledWith(methodId, undefined, options);
+            ).toHaveBeenCalledWith(methodId, options);
         });
 
         it('emits actions if able to load payment wallet method', async () => {

packages/core/src/payment/payment-method-action-creator.ts

@@ -165,19 +165,16 @@ export default class PaymentMethodActionCreator {
         methodId: string,
         options?: RequestOptions & ActionOptions,
     ): ThunkAction<LoadPaymentMethodAction, InternalCheckoutSelectors> {
-        return (store) =>
+        return () =>
             Observable.create((observer: Observer<LoadPaymentMethodAction>) => {
-                const state = store.getState();
-                const host = state.config.getHost();
-
                 observer.next(
                     createAction(PaymentMethodActionType.LoadPaymentMethodRequested, undefined, {
                         methodId,
                     }),
                 );
 
                 this._requestSender
-                    .loadPaymentWalletWithInitializationData(methodId, host, options)
+                    .loadPaymentWalletWithInitializationData(methodId, options)
                     .then((response) => {
                         observer.next(
                             createAction(

packages/core/src/payment/payment-method-request-sender.ts

@@ -57,11 +57,9 @@ export default class PaymentMethodRequestSender {
      */
     loadPaymentWalletWithInitializationData(
         methodId: string,
-        host?: string,
         { timeout }: RequestOptions = {},
     ): Promise<Response<PaymentMethod>> {
-        const path = 'get-initialization-data';
-        const url = host ? `${host}/${path}` : `/${path}`;
+        const url = `${window.location.origin}/api/wallet-buttons/get-initialization-data`;
 
         const requestOptions: HeadlessPaymentRequestOptions = {
             body: {