From 2360467ba96dab0e3656e701b1cff4b9418ccc40 Mon Sep 17 00:00:00 2001
From: DoTheBestToGetTheBest
 <146037313+DoTheBestToGetTheBest@users.noreply.github.com>
Date: Mon, 27 Nov 2023 10:36:30 -0800
Subject: [PATCH] Update named.rs

---
 src/named.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/named.rs b/src/named.rs
index d5e2043..a5fed20 100644
--- a/src/named.rs
+++ b/src/named.rs
@@ -776,6 +776,22 @@ impl NamedChain {
             None
         }
     }
+    /// Returns true if the chain is a testnet.
+    pub fn is_testnet(&self) -> bool {
+        match self {
+            NamedChain::Goerli | NamedChain::Sepolia | NamedChain::Dev => true,
+            _ => false,
+        }
+    }
+    /// Return symbol of native currency used in the blockchain
+    pub fn native_currency_symbol(&self) -> &str {
+        match self {
+            NamedChain::Mainnet | NamedChain::Goerli | NamedChain::Rinkeby => "ETH",
+            NamedChain::BinanceSmartChain => "BNB",
+            // will add for others
+            _ => "Unknown",
+        }
+    }
 }
 
 #[cfg(test)]