From 69a6d073719464b90a54ac5eb72120bca77b9ead Mon Sep 17 00:00:00 2001
From: Justin Starry <justin@solana.com>
Date: Sat, 1 Feb 2020 20:10:26 +0800
Subject: [PATCH] Reduce rpc client pre-flight requests by setting max-age
 header (#8082)

automerge
---
 core/src/rpc_service.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/src/rpc_service.rs b/core/src/rpc_service.rs
index bc4eb2b36..2ebd8ccae 100644
--- a/core/src/rpc_service.rs
+++ b/core/src/rpc_service.rs
@@ -131,6 +131,7 @@ impl JsonRpcService {
                         .cors(DomainsValidation::AllowOnly(vec![
                             AccessControlAllowOrigin::Any,
                         ]))
+                        .cors_max_age(86400)
                         .request_middleware(RpcRequestMiddleware::new(ledger_path))
                         .start_http(&rpc_addr);
                 if let Err(e) = server {