improve(NetworkUtils): add chainIsL1Function (#682)

Signed-off-by: bennett <bennett@umaproject.org>

src/utils/NetworkUtils.ts

@@ -89,6 +89,15 @@ export function chainIsLinea(chainId: number): boolean {
   return [CHAIN_IDs.LINEA].includes(chainId);
 }
 
+/**
+ * Determines whether a chain ID has a corresponding hub pool contract.
+ * @param chainId Chain ID to evaluate.
+ * @returns True if chain corresponding to chainId has a hub pool implementation.
+ */
+export function chainIsL1(chainId: number): boolean {
+  return [CHAIN_IDs.MAINNET, CHAIN_IDs.SEPOLIA].includes(chainId);
+}
+
 /**
  * Determines whether a chain ID has the capacity for having its USDC bridged via CCTP.
  * @param chainId Chain ID to evaluate.