# Using solana-cli
solana block <block_slot>

const web3 = require('@solana/web3.js');

const solanaRpcUrl = 'QUICKNODE_URL'; // Replace with the quicknode url
const connection = new web3.Connection(solanaRpcUrl, 'confirmed');

async function getSolanaBlock(slot) {
  const block = await connection.getBlock(slot);
  console.log(block);
}

const blockSlot = 12345678; // Replace with the desired block slot
getSolanaBlock(blockSlot);

const web3 = require('@solana/web3.js');

async function getSolanaTransactionReceipt(transactionSignature) {
  const solanaRpcUrl = 'QUICKNODE_URL'; // Replace with the quicknode url
  const connection = new web3.Connection(solanaRpcUrl, 'confirmed');

  const transaction = await connection.getTransaction(transactionSignature);

  if (!transaction) {
    return null; // Transaction not found
  }

  // Parse and decode custom events/logs from transaction.message
  const decodedEvents = parseAndDecodeEvents(transaction.message.logs);

  const receipt = {
    transactionHash: transactionSignature,
    blockNumber: transaction.slot, // Solana's equivalent of block number
    // Other relevant information based on your decoded events
    decodedEvents,
  };

  return receipt;
}

function parseAndDecodeEvents(logs) {
  // Implement logic to parse and decode logs into custom event data
  // This could involve iterating through logs and extracting data
  // Refer to Solana's documentation and your program's event structure

  return decodedEvents;
}

const transactionSignature = '...'; // Replace with the Solana transaction signature
getSolanaTransactionReceipt(transactionSignature)
  .then((receipt) => {
    console.log(receipt);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

// Using web3.js for Ethereum
const Web3 = require('web3');
const web3 = new Web3('QUICKNDOE_URL'); // Replace with the quicknode url

async function getEthContractBytecode(address) {
  const bytecode = await web3.eth.getCode(address);
  return bytecode;
}

const contractAddress = '0x...'; // Replace with the Ethereum contract address
getEthContractBytecode(contractAddress)
  .then((bytecode) => {
    console.log(bytecode);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

const web3 = require('@solana/web3.js');

async function getSolanaContractData(address) {
  const solanaRpcUrl = 'QUICKNODE_URL'; // Replace with the quicknode url  const connection = new web3.Connection(solanaRpcUrl, 'confirmed');

  const publicKey = new web3.PublicKey(address);
  const accountInfo = await connection.getAccountInfo(publicKey);

  if (!accountInfo) {
    return null; // Account not found
  }

  const contractData = accountInfo.data;
  return contractData;
}

const contractAddress = '...'; // Replace with the Solana contract address
getSolanaContractData(contractAddress)
  .then((contractData) => {
    console.log(contractData);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

// Using web3.js for Ethereum
const Web3 = require('web3');
const web3 = new Web3('QUICKNODE_URL');  // Replace with the quicknode url 

async function ethCall(contractAddress, data) {
  const result = await web3.eth.call({
    to: contractAddress,
    data: data,
  });
  return result;
}

const contractAddress = '0x...'; // Replace with the Ethereum contract address
const inputData = '0x...'; // Replace with the input data for the function call
ethCall(contractAddress, inputData)
  .then((result) => {
    console.log(result);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

const web3 = require('@solana/web3.js');

async function simulateSolanaTransaction(sender, programId, data) {
  const solanaRpcUrl = 'QUICKNODE_URL'; // Replace with the quicknode url  
  const connection = new web3.Connection(solanaRpcUrl, 'confirmed');

  const instruction = new web3.TransactionInstruction({
    keys: [{ pubkey: sender, isSigner: true, isWritable: true }],
    programId,
    data,
  });

  const simulatedTransactionResponse = await connection.simulateTransaction(
    new web3.Transaction().add(instruction)
  );

  const simulatedResult = simulatedTransactionResponse.value;
  return simulatedResult;
}

const senderPublicKey = new web3.PublicKey('...'); // Replace with the sender's public key
const programId = new web3.PublicKey('...'); // Replace with the Solana program ID
const inputData = Buffer.from('...'); // Replace with the input data for the program
simulateSolanaTransaction(senderPublicKey, programId, inputData)
  .then((simulatedResult) => {
    console.log(simulatedResult);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

// Using web3.js for Ethereum
const Web3 = require('web3');
const web3 = new Web3('QUICKNODE_URL'); // Replace with the quicknode url

async function getEthBalance(address) {
  const balance = await web3.eth.getBalance(address);
  return balance;
}

const ethAddress = '0x...'; // Replace with the Ethereum address
getEthBalance(ethAddress)
  .then((balance) => {
    console.log(balance);
  })
  .catch((error) => {
    console.error('Error:', error);
  });

const web3 = require('@solana/web3.js');

async function getSolanaBalance(address) {
  const solanaRpcUrl = 'QUICKNODE_URL'; // Replace with the quicknode url 
  const connection = new web3.Connection(solanaRpcUrl, 'confirmed');

  const publicKey = new web3.PublicKey(address);
  const balance = await connection.getBalance(publicKey);
  return balance;
}

const solanaAddress = '...'; // Replace with the Solana wallet address
getSolanaBalance(solanaAddress)
  .then((balance) => {
    console.log(balance);
  })
  .catch((error) => {
    console.error('Error:', error);
  });