feat(frontend): util to check if a network ID is EVM network

src/frontend/src/env/networks/networks-evm/networks.evm.env.ts

@@ -10,6 +10,8 @@ export const SUPPORTED_EVM_NETWORKS: EthereumNetwork[] = EVM_NETWORKS_ENABLED
 	? [...SUPPORTED_BASE_NETWORKS, ...SUPPORTED_BSC_NETWORKS]
 	: [];
 
+export const SUPPORTED_EVM_NETWORKS_IDS: NetworkId[] = SUPPORTED_EVM_NETWORKS.map(({ id }) => id);
+
 const SUPPORTED_EVM_MAINNET_NETWORKS: Network[] = SUPPORTED_EVM_NETWORKS.filter(
 	({ env }) => env === 'mainnet'
 );

src/frontend/src/lib/utils/network.utils.ts

@@ -1,4 +1,5 @@
 import type { BitcoinNetwork as SignerBitcoinNetwork } from '$declarations/signer/signer.did';
+import { SUPPORTED_EVM_NETWORKS_IDS } from '$env/networks/networks-evm/networks.evm.env';
 import {
 	BTC_MAINNET_NETWORK_ID,
 	BTC_REGTEST_NETWORK_ID,
@@ -36,6 +37,9 @@ export const isNetworkIdICP: IsNetworkIdUtil = (id) => nonNullish(id) && ICP_NET
 export const isNetworkIdEthereum: IsNetworkIdUtil = (id) =>
 	nonNullish(id) && SUPPORTED_ETHEREUM_NETWORKS_IDS.includes(id);
 
+export const isNetworkIdEvm: IsNetworkIdUtil = (id) =>
+	nonNullish(id) && SUPPORTED_EVM_NETWORKS_IDS.includes(id);
+
 export const isNetworkIdBitcoin: IsNetworkIdUtil = (id) =>
 	nonNullish(id) && SUPPORTED_BITCOIN_NETWORKS_IDS.includes(id);
 

src/frontend/src/tests/lib/utils/network.utils.spec.ts

@@ -1,3 +1,11 @@
+import {
+	BASE_NETWORK_ID,
+	BASE_SEPOLIA_NETWORK_ID
+} from '$env/networks/networks-evm/networks.evm.base.env';
+import {
+	BSC_NETWORK_ID,
+	BSC_TESTNET_NETWORK_ID
+} from '$env/networks/networks-evm/networks.evm.bsc.env';
 import * as btcNetworkEnv from '$env/networks/networks.btc.env';
 import {
 	BTC_MAINNET_NETWORK,
@@ -38,6 +46,7 @@ import {
 	isNetworkIdBTCTestnet,
 	isNetworkIdBitcoin,
 	isNetworkIdEthereum,
+	isNetworkIdEvm,
 	isNetworkIdICP,
 	isNetworkIdSOLDevnet,
 	isNetworkIdSOLLocal,
@@ -101,6 +110,25 @@ describe('network utils', () => {
 		});
 	});
 
+	describe('isNetworkIdEvm', () => {
+		const allEvmNetworkIds = [
+			BASE_NETWORK_ID,
+			BASE_SEPOLIA_NETWORK_ID,
+			BSC_NETWORK_ID,
+			BSC_TESTNET_NETWORK_ID
+		];
+
+		it.each(allEvmNetworkIds)('should return true for EVM network ID %s', (id) => {
+			expect(isNetworkIdEvm(id as NetworkId)).toBe(true);
+		});
+
+		it('should return false for non-EVM network IDs', () => {
+			expect(isNetworkIdEvm(BTC_MAINNET_NETWORK_ID)).toBe(false);
+
+			expect(isNetworkIdEvm(ETHEREUM_NETWORK_ID)).toBe(false);
+		});
+	});
+
 	describe('isNetworkIdBitcoin', () => {
 		const allBitcoinNetworkIds = [
 			BTC_MAINNET_NETWORK_ID,