From 6c017990a10ce4e9397451ed6c972eb26930de58 Mon Sep 17 00:00:00 2001
From: Marcelo Fornet <marcelo@aurora.dev>
Date: Thu, 25 Aug 2022 18:09:45 +0200
Subject: [PATCH] nit: Explicitly handle all chains on match (#1635)

---
 ethers-core/src/types/chain.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/ethers-core/src/types/chain.rs b/ethers-core/src/types/chain.rs
index 653e9fe9..c082f0a6 100644
--- a/ethers-core/src/types/chain.rs
+++ b/ethers-core/src/types/chain.rs
@@ -93,7 +93,22 @@ impl Chain {
             Chain::Oasis => 5_500,
             Chain::Emerald => 6_000,
             Chain::Dev | Chain::AnvilHardhat => 200,
-            _ => return None,
+            // Explictly handle all network to make it easier not to forget this match when new
+            // networks are added.
+            Chain::Morden |
+            Chain::Ropsten |
+            Chain::Rinkeby |
+            Chain::Goerli |
+            Chain::Kovan |
+            Chain::XDai |
+            Chain::Sepolia |
+            Chain::Moonbase |
+            Chain::MoonbeamDev |
+            Chain::OptimismKovan |
+            Chain::Poa |
+            Chain::Sokol |
+            Chain::Rsk |
+            Chain::EmeraldTestnet => return None,
         };
 
         Some(Duration::from_millis(ms))