Configure RPC Endpoints with Solana Libraries

import { ParaSolanaWeb3Signer } from '@getpara/solana-web3.js-v1-integration@alpha';
import { Connection, clusterApiUrl, Commitment } from '@solana/web3.js';
import { para } from './para';

function useCustomRPC() {
  // Using Solana public RPC endpoints
  const mainnetConnection = new Connection(
    clusterApiUrl('mainnet-beta'),
    'confirmed'
  );
  
  const devnetConnection = new Connection(
    clusterApiUrl('devnet'),
    'confirmed'
  );
  
  // Using custom RPC endpoint (e.g., QuickNode, Alchemy, Helius)
  const customConnection = new Connection(
    'https://your-custom-rpc-endpoint.com',
    {
      commitment: 'confirmed',
      wsEndpoint: 'wss://your-custom-websocket-endpoint.com',
      httpHeaders: {
        'Authorization': 'Bearer YOUR_API_KEY',
      },
      disableRetryOnRateLimit: false,
      confirmTransactionInitialTimeout: 30000,
    }
  );
  
  // Create signers with different connections
  const mainnetSigner = new ParaSolanaWeb3Signer(para, mainnetConnection);
  const devnetSigner = new ParaSolanaWeb3Signer(para, devnetConnection);
  const customSigner = new ParaSolanaWeb3Signer(para, customConnection);
  
  // Example: Get network performance metrics
  const checkPerformance = async () => {
    const start = Date.now();
    const slot = await customConnection.getSlot();
    const latency = Date.now() - start;
    
    console.log('Current slot:', slot);
    console.log('RPC latency:', latency, 'ms');
    
    const perfSamples = await customConnection.getRecentPerformanceSamples(5);
    console.log('Recent performance:', perfSamples);
  };
  
  return { mainnetSigner, devnetSigner, customSigner, checkPerformance };
}