rpc: set CORS Max-Age to reduce preflight OPTIONS requests

ae341b31 · Jonathan Brown · ab7adb00 · ae341b31
Commit ae341b31 authored Oct 03, 2016 by Jonathan Brown
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http.go rpc/http.go +1 -0

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--- a/rpc/http.go
+++ b/rpc/http.go
@@ -170,6 +170,7 @@ func newCorsHandler(srv *Server, corsString string) http.Handler {
 	c := cors.New(cors.Options{
 		AllowedOrigins: allowedOrigins,
 		AllowedMethods: []string{"POST", "GET"},
+		MaxAge: 600,
 	})
 	return c.Handler(srv)
 }