From 67e6d1293cbbd10ddf94ed0415106fb473e245d4 Mon Sep 17 00:00:00 2001
From: Peter Argue <89119817+peterargue@users.noreply.github.com>
Date: Wed, 9 Aug 2023 11:23:30 -0700
Subject: [PATCH] [Access] Update default max message size to 1GiB

---
 utils/grpcutils/grpc.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/utils/grpcutils/grpc.go b/utils/grpcutils/grpc.go
index 3167b025dff..c1e8897f2e1 100644
--- a/utils/grpcutils/grpc.go
+++ b/utils/grpcutils/grpc.go
@@ -13,9 +13,10 @@ import (
 	"github.com/onflow/flow-go/network/p2p/keyutils"
 )
 
-// DefaultMaxMsgSize use 20MB as the default message size limit.
-// grpc library default is 4MB
-const DefaultMaxMsgSize = 1024 * 1024 * 20
+// DefaultMaxMsgSize use 1 GiB as the default message size limit.
+// This enforces a sane max message size, while still allowing for reasonably large messages.
+// grpc library default is 4 MiB.
+const DefaultMaxMsgSize = 1 << (10 * 3) // 1 GiB
 
 // CertificateConfig is used to configure an Certificate
 type CertificateConfig struct {