import { getRpcEndpointUrl, getNewConnection, getIsValidTransaction } from '@lndgalante/solutils';
 
const transactionSignature = '8ykRq1XtgrtymXVkVhsWjaDrid5FkKzRPJrarzJX9a6EArbEUYMrst6vVC6TydDRG4sagSciK6pP5Lw9ZDnt3RD';
 
const { rpcUrl } = getRpcEndpointUrl('solana', 'mainnet');
const { connection } = getNewConnection(rpcEndpointUrl);
 
const { isValidTransaction } = await getIsValidTransaction(transactionSignature, connection);
 
console.log(isValidTransaction); // true