From 44499ae008c48b39595525719996da460116c437 Mon Sep 17 00:00:00 2001
From: Options Eskimo <78507171+optionseskimo@users.noreply.github.com>
Date: Sat, 29 Jan 2022 19:36:22 +0000
Subject: [PATCH] feat(chain): add BSC networks to the is_legacy helper (#843)

also fix formatting
---
 ethers-core/src/types/chain.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ethers-core/src/types/chain.rs b/ethers-core/src/types/chain.rs
index 4f70e107..c31c45ba 100644
--- a/ethers-core/src/types/chain.rs
+++ b/ethers-core/src/types/chain.rs
@@ -124,7 +124,12 @@ impl Chain {
         // TODO: Add other chains which do not support EIP1559.
         matches!(
             self,
-            Chain::Optimism | Chain::OptimismKovan | Chain::Fantom | Chain::FantomTestnet
+            Chain::Optimism |
+                Chain::OptimismKovan |
+                Chain::Fantom |
+                Chain::FantomTestnet |
+                Chain::BinanceSmartChain |
+                Chain::BinanceSmartChainTestnet
         )
     }
 }