From e9a5412a548b48fc4b7269e60ad72ea71bb1f3c6 Mon Sep 17 00:00:00 2001
From: Dmitry Lavrenov <lawrenowdima@gmail.com>
Date: Wed, 17 May 2023 12:03:35 +0300
Subject: [PATCH] Add default implementation for OnNewAccount and
 OnKilledAccount for empty tuple

---
 frame/evm-system/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/frame/evm-system/src/lib.rs b/frame/evm-system/src/lib.rs
index b8585ca470..0910a82ee5 100644
--- a/frame/evm-system/src/lib.rs
+++ b/frame/evm-system/src/lib.rs
@@ -178,8 +178,16 @@ pub trait OnNewAccount<AccountId> {
 	fn on_new_account(who: &AccountId);
 }
 
+impl<AccountId> OnNewAccount<AccountId> for () {
+	fn on_new_account(_who: &AccountId) {}
+}
+
 /// Interface to handle account killing.
 pub trait OnKilledAccount<AccountId> {
 	/// The account with the given id was reaped.
 	fn on_killed_account(who: &AccountId);
 }
+
+impl<AccountId> OnKilledAccount<AccountId> for () {
+	fn on_killed_account(_who: &AccountId) {}
+}