window.addEventListener('message', (event: MessageEvent<IframeResponse>) => {
  // Validate origin
  if (event.origin !== 'https://frame.raze.sh') {
    console.warn('Received message from untrusted origin:', event.origin);
    return;
  }
  
  // Process message
  handleMessage(event.data);
});

Content-Security-Policy: frame-ancestors 'self' https://trusted-domain.com;

function isValidSolanaAddress(address: string): boolean {
  // Basic Solana address validation
  return /^[1-9A-HJ-NP-Za-km-z]{32,44}$/.test(address);
}

function validateWallets(wallets: (string | Wallet)[]): boolean {
  return wallets.every(wallet => {
    const address = typeof wallet === 'string' 
      ? wallet.split(':')[0] 
      : wallet.address;
    
    return address && address.length >= 3; // Allow partial addresses
  });
}