POST
/
evm
trace_replayTransaction
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "trace_replayTransaction",
  "params": [
    "0x07712544ce8f50091c6c3b227921f763b342bf9465a22f0226d651a3246adb31",
    [
      "trace"
    ]
  ],
  "id": 1
}'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "trace": [
      {
        "action": {
          "from": "0x...",
          "to": "0x...",
          "value": "0x0",
          "gas": "0x...",
          "input": "0x...",
          "callType": "call"
        },
        "result": {
          "gasUsed": "0x5208",
          "output": "0x"
        },
        "traceAddress": [],
        "type": "call"
      }
    ]
  }
}
The trace_replayTransaction JSON-RPC method replays a specific transaction and returns trace information. This method provides detailed execution traces for a single transaction by replaying its execution, making it essential for transaction debugging, analysis, and forensic investigation.
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​
Parameters

  1. Transaction hash (string, required): Hash of the transaction to replay
  2. Trace types (array, required): Array of trace types to include in response

​
Trace types

  • "trace": Basic execution trace information
  • "vmTrace": Virtual machine execution trace
  • "stateDiff": State differences caused by the transaction

​
Response

The method returns detailed trace information for the replayed transaction.

​
Response structure

Transaction trace:
  • trace — Array of trace objects containing execution details
  • Each trace contains action details, results, and call hierarchy

​
Usage example

​
Basic implementation

// Replay a specific transaction with tracing
const replayTransaction = async (txHash, traceTypes = ['trace']) => {
  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: 'trace_replayTransaction',
      params: [txHash, traceTypes],
      id: 1
    })
  });
  
  const data = await response.json();
  return data.result;
};

// Example usage
const txHash = '0x07712544ce8f50091c6c3b227921f763b342bf9465a22f0226d651a3246adb31';
replayTransaction(txHash).then(result => {
  console.log('Transaction replay result:');
  if (result.trace) {
    result.trace.forEach((trace, index) => {
      console.log(`Trace ${index + 1}:`);
      console.log(`  Type: ${trace.type}`);
      console.log(`  Gas used: ${parseInt(trace.result.gasUsed, 16)}`);
    });
  }
});

​
Example request

Shell
curl -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "trace_replayTransaction",
    "params": [
      "0x07712544ce8f50091c6c3b227921f763b342bf9465a22f0226d651a3246adb31",
      ["trace"]
    ],
    "id": 1
  }' \
  https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm

​
Use cases

The trace_replayTransaction method is essential for applications that need to:
  • Transaction debugging: Debug specific transaction execution issues
  • Forensic analysis: Investigate suspicious or failed transactions
  • Performance analysis: Analyze transaction performance and gas usage
  • Development tools: Build transaction debugging and analysis tools
  • Security auditing: Audit specific transactions for security issues
  • Educational tools: Create educational content about transaction execution
  • Research platforms: Support detailed transaction research and analysis
  • Compliance investigation: Investigate transactions for regulatory compliance
  • MEV analysis: Analyze specific transactions for MEV extraction
  • Protocol analysis: Analyze how specific transactions interact with protocols
This method provides detailed transaction replay capabilities for comprehensive analysis on the Hyperliquid EVM platform.

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

JSON-RPC version

Available options:
2.0
​
method
enum<string>
default:trace_replayTransaction
required

The RPC method name

Available options:
trace_replayTransaction
​
params
any[]
required

Parameters: [transaction hash, trace types array]

​
id
integer
default:1
required

Request identifier

Response

200 - application/json

Successful response with trace data

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
object

Trace data for the replayed transaction