debug_traceTransaction | Hyperliquid EVM

// Trace a specific transaction
const traceTransaction = async (txHash) => {
  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: 'debug_traceTransaction',
      params: [
        txHash,
        {
          tracer: 'callTracer'
        }
      ],
      id: 1
    })
  });
  
  const data = await response.json();
  return data.result;
};

// Analyze transaction execution
const analyzeTransaction = async (txHash) => {
  try {
    const trace = await traceTransaction(txHash);
    
    console.log('Transaction Trace Analysis:');
    console.log(`Type: ${trace.type}`);
    console.log(`From: ${trace.from}`);
    console.log(`To: ${trace.to}`);
    console.log(`Value: ${parseInt(trace.value, 16)} wei`);
    console.log(`Gas Used: ${parseInt(trace.gasUsed, 16)}`);
    
    // Analyze sub-calls
    if (trace.calls && trace.calls.length > 0) {
      console.log(`\nSub-calls (${trace.calls.length}):`);
      trace.calls.forEach((call, index) => {
        console.log(`  ${index + 1}. ${call.type}: ${call.from} -> ${call.to}`);
        console.log(`     Gas Used: ${parseInt(call.gasUsed, 16)}`);
      });
    }
    
    return trace;
  } catch (error) {
    console.error('Error tracing transaction:', error);
    throw error;
  }
};

// Gas usage analysis
const analyzeGasUsage = (trace) => {
  const totalGas = parseInt(trace.gas, 16);
  const gasUsed = parseInt(trace.gasUsed, 16);
  const efficiency = ((gasUsed / totalGas) * 100).toFixed(2);
  
  console.log('Gas Analysis:');
  console.log(`Total Gas Limit: ${totalGas.toLocaleString()}`);
  console.log(`Gas Used: ${gasUsed.toLocaleString()}`);
  console.log(`Efficiency: ${efficiency}%`);
  
  return {
    totalGas,
    gasUsed,
    efficiency: parseFloat(efficiency)
  };
};

// Usage
const txHash = '0x07712544ce8f50091c6c3b227921f763b342bf9465a22f0226d651a3246adb31';
analyzeTransaction(txHash).then(trace => {
  analyzeGasUsage(trace);
});