POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
debug_traceBlockByHash
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "debug_traceBlockByHash",
  "id": 1,
  "params": [
    "0xff9d126bda9b40194e2ac7ad069652fd2b9200c2739fdb78817da89903ce3b5d"
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": [
    {}
  ]
}

The debug_traceBlockByHash RPC method is used to retrieve detailed execution traces for all transactions included in a block, identified by the block’s hash. This method is particularly useful for developers and analysts who need to deeply understand transaction execution and state changes within a specific block.

Get you own node endpoint today

Start for free and get your app to production levels immediately. No credit card required.

You can sign up with your GitHub, X, Google, or Microsoft account.

​
Request

To use debug_traceBlockByHash, send a POST request with a JSON RPC call in the body.

​
Parameters

  • Block Hash (string): The hash of the block for which to retrieve the execution traces.

​
Response

The response includes detailed execution traces for all transactions in the specified block.

  • result (array): An array of execution traces for each transaction in the block. Each trace provides comprehensive details about the execution, including calls, state changes, and gas usage.

​
Use case

The debug_traceBlockByHash method is essential for:

  • Developers debugging complex interactions within a block.
  • Analysts conducting forensic analysis of block transactions.
  • Tools and services that provide insights into the Ethereum Virtual Machine (EVM) execution and state changes.

Body

application/json

Response

200 - application/json

Detailed execution traces for all transactions in the specified block

The response is of type object.