Minor changes after e2e test

Author: mansisampat

packages/auth/src/api/authentication/exchange_token.ts

@@ -23,7 +23,7 @@ import { Auth } from '../../model/public_types';
 
 export interface ExchangeTokenRequest {
   parent: string;
-  token: string;
+  id_token: string;
 }
 
 export interface ExchangeTokenResponse {

packages/auth/src/api/index.ts

@@ -168,17 +168,12 @@ async function performApiRequest<T, V>(
       }
     }
 
-    let queryParamString: string;
-    if (isRegionalAuthInitialized(auth)) {
-      queryParamString = querystring({
-        ...params
-      }).slice(1);
-    } else {
-      queryParamString = querystring({
+    const queryParamString = querystring({
         key: auth.config.apiKey,
         ...params
       }).slice(1);
-    }
+    console.log("here");
+    console.log(queryParamString);
 
     const headers = await (auth as AuthInternal)._getAdditionalHeaders();
     headers[HttpHeader.CONTENT_TYPE] = 'application/json';

packages/auth/src/core/auth/auth_impl.ts

@@ -95,7 +95,7 @@ export const enum DefaultConfig {
   API_HOST = 'identitytoolkit.googleapis.com',
   API_SCHEME = 'https',
   // TODO(sammansi): Update the endpoint before BYO-CIAM Private Preview Release.
-  REGIONAL_API_HOST = 'identityplatform.googleapis.com/v2alpha/'
+  REGIONAL_API_HOST = 'autopush-identityplatform.sandbox.googleapis.com/v2alpha/'
 }
 
 export class AuthImpl implements AuthInternal, _FirebaseService {

packages/auth/src/core/strategies/exhange_token.ts

@@ -52,7 +52,8 @@ export async function exchangeToken(
   const authInternal = _castAuth(auth);
   const token = await getToken(authInternal, {
     parent: buildParent(auth, idpConfigId),
-    token: customToken
+    // eslint-disable-next-line camelcase
+    id_token: customToken
   });
   if (token) {
     await authInternal._updateFirebaseToken({