From 512ef6bb0ac5e67b005876a3cd02f8cc024b7f05 Mon Sep 17 00:00:00 2001
From: Christophe <contact@christophedeveaux.com>
Date: Wed, 23 Oct 2024 20:19:53 +0200
Subject: [PATCH] Add isTestnet to registerNewNetwork

---
 src/chains.ts                   | 10 +++++++++-
 src/utils/registerNewNetwork.ts |  6 ++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/chains.ts b/src/chains.ts
index 04dc167c..2009ba65 100644
--- a/src/chains.ts
+++ b/src/chains.ts
@@ -125,19 +125,27 @@ export function registerCustomParentChain(
   customParentChains[chain.id] = chain;
 }
 
-export const chains = [
+export const mainnets = [
   // mainnet L1
   mainnet,
   // mainnet L2
   arbitrumOne,
   arbitrumNova,
   base,
+];
+
+export const testnets = [
   // testnet L1
   sepolia,
   holesky,
   // testnet L2
   arbitrumSepolia,
   baseSepolia,
+];
+
+export const chains = [
+  ...mainnets,
+  ...testnets,
   // local nitro-testnode
   nitroTestnodeL1,
   nitroTestnodeL2,
diff --git a/src/utils/registerNewNetwork.ts b/src/utils/registerNewNetwork.ts
index 0aaf09fd..bdd926c6 100644
--- a/src/utils/registerNewNetwork.ts
+++ b/src/utils/registerNewNetwork.ts
@@ -4,6 +4,11 @@ import {
   getArbitrumNetworkInformationFromRollup,
   registerCustomArbitrumNetwork,
 } from '@arbitrum/sdk';
+import { testnets } from '../chains';
+
+const isTestnet = (parentChainId: number) => {
+  return testnets.some((testnet) => testnet.id === parentChainId);
+};
 
 export const registerNewNetwork = async (
   parentProvider: JsonRpcProvider,
@@ -21,6 +26,7 @@ export const registerNewNetwork = async (
     confirmPeriodBlocks,
     ethBridge,
     isCustom: true,
+    isTestnet: isTestnet(parentChainId),
   };
 
   return registerCustomArbitrumNetwork(arbitrumNetwork);