From 293bb63ed8f6995a852ec64c81a9045682539688 Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Sat, 1 Feb 2020 08:48:40 -0800
Subject: [PATCH] Reduce rpc client pre-flight requests by setting max-age
 header (#8082) (#8083)

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 bc4eb2b36c..2ebd8ccae3 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 {