refactor: Update mainnet RPC API URL to use new endpoint

app/utils/__tests__/cluster.test.ts

@@ -0,0 +1,29 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+import { modifyUrl } from '../cluster';
+
+describe('modifyUrl', () => {
+    afterEach(() => {
+        vi.unstubAllGlobals();
+    });
+
+    it('returns url unchanged when hostname is localhost', () => {
+        vi.stubGlobal('location', { hostname: 'localhost' });
+
+        expect(modifyUrl('https://api.mainnet.solana.com')).toBe('https://api.mainnet.solana.com');
+        expect(modifyUrl('https://api.devnet.solana.com')).toBe('https://api.devnet.solana.com');
+    });
+
+    it('replaces "api" with "explorer-api" when hostname is not localhost', () => {
+        vi.stubGlobal('location', { hostname: 'explorer.solana.com' });
+
+        expect(modifyUrl('https://api.mainnet.solana.com')).toBe('https://explorer-api.mainnet.solana.com');
+        expect(modifyUrl('https://api.devnet.solana.com')).toBe('https://explorer-api.devnet.solana.com');
+    });
+
+    it('returns url unchanged when url has no "api" and hostname is not localhost', () => {
+        vi.stubGlobal('location', { hostname: 'explorer.solana.com' });
+
+        expect(modifyUrl('https://simd-0296.surfnet.dev:8899')).toBe('https://simd-0296.surfnet.dev:8899');
+    });
+});

app/utils/cluster.ts

@@ -44,12 +44,12 @@ export function clusterName(cluster: Cluster): string {
     }
 }
 
-export const MAINNET_BETA_URL = 'https://api.mainnet-beta.solana.com';
+export const MAINNET_BETA_URL = 'https://api.mainnet.solana.com';
 export const TESTNET_URL = 'https://api.testnet.solana.com';
 export const DEVNET_URL = 'https://api.devnet.solana.com';
 export const SIMD296_URL = 'https://simd-0296.surfnet.dev:8899';
 
-const modifyUrl = (url: string): string => {
+export const modifyUrl = (url: string): string => {
     if (typeof window !== 'undefined' && window.location.hostname === 'localhost') {
         return url;
     } else {

scripts/fetch_mainnet_activations.py

@@ -38,7 +38,7 @@ def get_epoch_for_slot(epoch_schedule: dict, slot: int) -> int:
 async def main():
     features = get_features()
 
-    connection = AsyncClient('https://api.mainnet-beta.solana.com')
+    connection = AsyncClient('https://api.mainnet.solana.com')
     epoch_schedule = (await connection.get_epoch_schedule()).value
 
     for feature in features: