use correct webhook signing key

Author: devksingh4

src/api/routes/stripe.ts

@@ -200,7 +200,7 @@ const stripeRoutes: FastifyPluginAsync = async (fastify, _options) => {
         event = stripe.webhooks.constructEvent(
           request.rawBody,
           sig,
-          secretApiConfig.stripe_endpoint_secret as string,
+          secretApiConfig.stripe_links_endpoint_secret as string,
         );
       } catch (err: unknown) {
         if (err instanceof BaseError) {

src/common/config.ts

@@ -147,6 +147,7 @@ export type SecretConfig = {
   apple_signing_cert_base64: string;
   stripe_secret_key: string;
   stripe_endpoint_secret: string;
+  stripe_links_endpoint_secret: string;
   redis_url: string;
 };