debug_traceblockbyhash - Worldchain

Example code for the debug_traceBlockByHash JSON-RPC method. Complete guide on how to use debug_traceBlockByHash JSON-RPC in GetBlock Web3 documentation.

Returns all traces of all transactions in a block by block hash on the World Chain network.

Parameters

Parameter

Type

Description

blockHash

string

Hash of the block to trace

tracerConfig

object

(Optional) Tracer configuration options

Request

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "debug_traceBlockByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e", {}],
    "id": "getblock.io"
}'

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "debug_traceBlockByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e", {}],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data)))
    .catch(error => console.log(error));

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "debug_traceBlockByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e", {}],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "debug_traceBlockByHash",
            "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e", {}],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": [
        {
            "txHash": "0x...",
            "result": {...}
        }
    ]
}

Response Parameters

Field

Type

Description

result

array

Array of trace results for each transaction in the block

Use Case

The debug_traceBlockByHash method on World Chain is typically used for:

Block analysis
Transaction debugging
Execution tracing
Historical analysis

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

Web3 Integration

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

const traces = await provider.send('debug_traceBlockByHash', ['0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e', {}]);
console.log('Traces:', traces);

import { createPublicClient, http } from 'viem';
import { worldchain } from 'viem/chains';

const client = createPublicClient({
    chain: worldchain,
    transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

const traces = await client.request({
    method: 'debug_traceBlockByHash',
    params: ['0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e', {}]
});
console.log('Traces:', traces);

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