debug_traceBlockByHash RPC Method

Please note that this RPC method is available to all users on the Build plan and higher. If you are using the Free plan, you will need to upgrade to utilize this method. See our pricing for more information.

Parameters

blockHash

string

REQUIRED

The hash of the block to be traced

object

object

REQUIRED

The tracer object with the following fields:

tracer

string

The type of tracer. It could be callTracer or prestateTracer

callTracer

string

The calltracer keeps track of all call frames, including depth 0 calls, that are made during a transaction

prestateTracer

string

The prestateTracer replays the transaction and tracks every part of state that occured during the transaction

tracerConfig

object

The object to specify the configurations of the tracer

onlyTopCall

boolean

When set to true, this will only trace the primary (top-level) call and not any sub-calls. It eliminates the additional processing for each call frame

Returns

result

array

An array of transaction trace result objects

txHash

string

The hash of the transaction

result

object

The result of the transaction trace

beforeEVMTransfers

array

Array of balance changes before EVM execution

purpose

string

(Optional) The purpose of the transfer

from

string

(Optional) The address funds were transferred from

to

string

(Optional) The address funds were transferred to

value

string

(Optional) The value transferred, encoded as hexadecimal

afterEVMTransfers

array

Array of balance changes after EVM execution

purpose

string

(Optional) The purpose of the transfer

from

string

(Optional) The address funds were transferred from

to

string

(Optional) The address funds were transferred to

value

string

(Optional) The value transferred, encoded as hexadecimal

from

string

Sender address

gas

string

Gas provided for execution

gasUsed

string

Gas used during execution

to

string

Recipient address

input

string

Input data sent along with the call

value

string

Value transferred in the call

type

string

Type of the call (e.g., CALL, STATICCALL, DELEGATECALL)

calls

array

(Optional) The nested internal call traces

from

string

The sender address

gas

string

The gas provided for the call

gasUsed

string

The gas used by the call

to

string

The recipient address

input

string

Input data for the call

output

string

Output data returned by the call

value

string

Value transferred in the call

type

string

Type of the call

calls

array

Sub-calls made during this call

Request

curl https://docs-demo.gravity-alpham.quiknode.pro/ \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"debug_traceBlockByHash","params":["0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49", {"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.gravity-alpham.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "debug_traceBlockByHash",
    "params": ["0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49", {"tracer": "callTracer"}],
    "id": "1"
}

response = client.send(payload.to_json)
puts response

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.gravity-alpham.quiknode.pro/");
  const response = await provider.send("debug_traceBlockByHash", [
    "0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49",
    { "tracer": "callTracer" },
  ]);
  console.log(response);
})();

var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
  "method": "debug_traceBlockByHash",
  "params": [
    "0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: raw,
  redirect: 'follow'
};

fetch("https://docs-demo.gravity-alpham.quiknode.pro/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests
import json

url = "https://docs-demo.gravity-alpham.quiknode.pro/"

payload = json.dumps({
  "method": "debug_traceBlockByHash",
  "params": [
    "0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1,
  "jsonrpc": "2.0"
})
headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

require "uri"
require "json"
require "net/http"

url = URI("https://docs-demo.gravity-alpham.quiknode.pro/")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "method": "debug_traceBlockByHash",
  "params": [
    "0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

response = https.request(request)
puts response.read_body

from web3 import Web3, HTTPProvider
provider = Web3.HTTPProvider("https://docs-demo.gravity-alpham.quiknode.pro/")
result = provider.make_request('debug_traceBlockByHash', ['0x0feb36c0dd7f55d18e321e98eeffa24b3d4c1e44bb258e6c636c0c502dcbfe49', {'tracer': 'callTracer'}])
print(result)

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