Add monad to CHAINS export (#794)

* add monad to CHAINS constant

* add changeset

* test for CHAINS export

* refactor less of test

Author: MattPereira

.changeset/smart-tools-rhyme.md

@@ -0,0 +1,5 @@
+---
+"@balancer/sdk": patch
+---
+
+add monad to CHAINS export

src/utils/constants.ts

@@ -20,6 +20,7 @@ import {
     sonic,
     plasma,
     xLayer,
+    monad,
 } from 'viem/chains';
 import { monadTestnet, hyperEVM } from './customChains';
 export const ZERO_ADDRESS: Address =
@@ -131,6 +132,7 @@ export const CHAINS: Record<number, Chain> = {
     [ChainId.SEPOLIA]: sepolia,
     [ChainId.SONIC]: sonic,
     [ChainId.MONAD_TESTNET]: monadTestnet,
+    [ChainId.MONAD]: monad,
     [ChainId.HYPEREVM]: hyperEVM,
     [ChainId.PLASMA]: plasma,
     [ChainId.X_LAYER]: xLayer,

test/validateNewChainSetup.test.ts

@@ -1,5 +1,5 @@
 import { API_CHAIN_NAMES, ChainId } from '@/utils';
-import { NATIVE_ASSETS } from '@/utils/constants';
+import { CHAINS, NATIVE_ASSETS } from '@/utils/constants';
 import { SorSwapPaths } from '@/data/providers/balancer-api/modules/sorSwapPaths';
 import { BalancerApiClient } from '@/data/providers/balancer-api/client';
 
@@ -47,6 +47,7 @@ describe('Balancer API (sdk) supports all API chains', () => {
 
         expect(missingEntries).toHaveLength(0);
     });
+
     test('The Balancer Api (sdk) supports the api chains', () => {
         const sorSwapPaths = new SorSwapPaths(
             null as unknown as BalancerApiClient,
@@ -58,24 +59,19 @@ describe('Balancer API (sdk) supports all API chains', () => {
             }
         }
     });
-});
-describe('Native asset is defined for all API chains', () => {
-    let supportedChains: SupportedChain[] = [];
-
-    beforeAll(async () => {
-        const chainNames = await fetchSupportedChains(API_ENDPOINT);
 
-        // Build array of objects: { name, chainId }
-        supportedChains = chainNames.map((name: string) => {
-            // Find the chainId for this name in API_CHAIN_NAMES
-            const chainIdEntry = Object.entries(API_CHAIN_NAMES).find(
-                ([, apiName]) => apiName === name,
-            );
-            return {
-                name,
-                chainId: chainIdEntry ? Number(chainIdEntry[0]) : undefined,
-            };
-        });
+    test('API supported chains have CHAINS entries', () => {
+        const missingChains: string[] = [];
+        for (const { name, chainId } of supportedChains) {
+            if (chainId === undefined) continue;
+            if (!CHAINS[chainId]) {
+                missingChains.push(`${name} (${chainId})`);
+            }
+        }
+        if (missingChains.length > 0) {
+            console.error('Missing CHAINS entries for:', missingChains);
+        }
+        expect(missingChains).toHaveLength(0);
     });
 
     test('Native asset is defined for all API chains', () => {