From c6e7332ab45e5546740eedcbddc927aa69af4d03 Mon Sep 17 00:00:00 2001
From: Gabriel mermelstein <gabrielmermelstein@gmail.com>
Date: Tue, 10 Sep 2024 09:18:38 -0600
Subject: [PATCH] setting 1024 shards as default if users don't set it

---
 waku/factory/node_factory.nim | 5 +++--
 waku/waku_enr/sharding.nim    | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/waku/factory/node_factory.nim b/waku/factory/node_factory.nim
index d5452ef030..d6672f8a8a 100644
--- a/waku/factory/node_factory.nim
+++ b/waku/factory/node_factory.nim
@@ -116,8 +116,9 @@ proc initNode(
 proc getNumShardsInNetwork*(conf: WakuNodeConf): uint32 =
   if conf.numShardsInNetwork != 0:
     return conf.numShardsInNetwork
-  # If conf.numShardsInNetwork is not set, use the number of shards configured as numShardsInNetwork
-  return uint32(max(conf.shards) + 1)
+  # If conf.numShardsInNetwork is not set, use 1024 - the maximum possible as per the static sharding spec
+  # https://github.com/waku-org/specs/blob/master/standards/core/relay-sharding.md#static-sharding
+  return uint32(MaxShardIndex + 1)
 
 proc setupProtocols(
     node: WakuNode, conf: WakuNodeConf, nodeKey: crypto.PrivateKey
diff --git a/waku/waku_enr/sharding.nim b/waku/waku_enr/sharding.nim
index 3b7cdae149..d1beb2864b 100644
--- a/waku/waku_enr/sharding.nim
+++ b/waku/waku_enr/sharding.nim
@@ -13,7 +13,7 @@ import ../common/enr, ../waku_core
 logScope:
   topics = "waku enr sharding"
 
-const MaxShardIndex: uint16 = 1023
+const MaxShardIndex*: uint16 = 1023
 
 const
   ShardingIndicesListEnrField* = "rs"