internal networks filtering (#1715)

Co-authored-by: brdy <[email protected]>

scripts/networks.js

@@ -17,6 +17,7 @@ async function fetchData() {
         badgeURL
       }
       testnet
+      internal
       opStack
       defaultExplorer {
         url

src/core/types/chains.ts

@@ -263,6 +263,7 @@ export interface BackendNetwork {
     badgeURL: string;
   };
   testnet: boolean;
+  internal: boolean;
   opStack: boolean;
   defaultExplorer: {
     url: string;

src/core/utils/backendNetworks.ts

@@ -3,6 +3,9 @@ import { mainnet } from 'viem/chains';
 
 import { BackendNetwork } from '../types/chains';
 
+const INTERNAL_BUILD = process.env.INTERNAL_BUILD === 'true';
+const IS_DEV = process.env.IS_DEV === 'true';
+
 const proxyBackendNetworkRpcEndpoint = (endpoint: string) => {
   return `${endpoint}${process.env.RPC_PROXY_API_KEY}`;
 };
@@ -47,5 +50,8 @@ export function transformBackendNetworksToChains(
   if (!networks) {
     return [];
   }
-  return networks.map((network) => transformBackendNetworkToChain(network));
+  // include all networks for internal builds, otherwise filter out flagged as internal
+  return networks
+    .filter((network) => !network.internal || INTERNAL_BUILD || IS_DEV)
+    .map((network) => transformBackendNetworkToChain(network));
 }