eth_getBlockTransactionCountByHash | Hyperliquid EVM

// Convert hex count to decimal
const txCount = parseInt("0x5", 16); // 5 transactions

// Get transaction count for a block by hash on Hyperliquid
const getBlockTransactionCountByHash = async (blockHash) => {
  const response = await fetch('https://hyperliquid-mainnet.core.chainstack.com/YOUR_ENDPOINT/evm', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      jsonrpc: '2.0',
      method: 'eth_getBlockTransactionCountByHash',
      params: [blockHash],
      id: 1
    })
  });
  
  const data = await response.json();
  
  if (data.result === null) {
    throw new Error('Block not found');
  }
  
  return {
    hex: data.result,
    decimal: parseInt(data.result, 16)
  };
};

// Analyze multiple blocks for activity patterns
const analyzeBlockActivity = async (blockHashes) => {
  const results = [];
  
  for (const hash of blockHashes) {
    try {
      const count = await getBlockTransactionCountByHash(hash);
      results.push({
        blockHash: hash,
        transactionCount: count.decimal
      });
    } catch (error) {
      console.error(`Error processing block ${hash}:`, error);
      results.push({
        blockHash: hash,
        transactionCount: null,
        error: error.message
      });
    }
  }
  
  // Calculate statistics
  const validCounts = results
    .filter(r => r.transactionCount !== null)
    .map(r => r.transactionCount);
  
  if (validCounts.length === 0) {
    return { results, statistics: null };
  }
  
  const statistics = {
    totalBlocks: validCounts.length,
    totalTransactions: validCounts.reduce((sum, count) => sum + count, 0),
    averageTransactions: validCounts.reduce((sum, count) => sum + count, 0) / validCounts.length,
    maxTransactions: Math.max(...validCounts),
    minTransactions: Math.min(...validCounts),
    emptyBlocks: validCounts.filter(count => count === 0).length
  };
  
  return { results, statistics };
};

// Usage examples
const blockHash = "0x53e84f299e6893680383c6a53329574122a7292e5bb9397bb6a0b51b4db5957a";

getBlockTransactionCountByHash(blockHash)
  .then(count => console.log(`Block has ${count.decimal} transactions`))
  .catch(error => console.error('Error:', error));

// Analyze multiple blocks
const blockHashes = [
  "0x53e84f299e6893680383c6a53329574122a7292e5bb9397bb6a0b51b4db5957a",
  "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef"
];

analyzeBlockActivity(blockHashes)
  .then(analysis => console.log('Block Activity Analysis:', analysis))
  .catch(error => console.error('Error:', error));