debug_traceBlockByNumber 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

blockNumber

string

REQUIRED

The block number as a string in hexadecimal format or tags. The supported tag values include earliest for the earliest/genesis block, latest for the latest mined block, pending for the pending state/transactions, safe for the most recent secure block, and finalized for the most recent secure block accepted by more than 2/3 of validators

object

object

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 traced transaction results

txHash

string

The hash of the transaction being traced

result

object

Details about the traced transaction execution

from

string

The address the transaction is sent from

gas

string

The gas provided for the transaction

gasUsed

string

The gas consumed during execution

to

string

The address the transaction is sent to

input

string

The input data for the transaction

calls

array

Internal calls made during the transaction execution

from

string

The address initiating the call

gas

string

The gas provided for the call

gasUsed

string

The gas used by the call

to

string

The address targeted by the call

input

string

The input data sent with the call

value

string

The amount of wei sent with the call

type

string

The type of call (e.g., CALL)

value

string

The amount of wei sent with the transaction

type

string

The transaction type (e.g., CALL)

Request

curl https://docs-demo.fluent-testnet.quiknode.pro/ \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"debug_traceBlockByNumber","params":["0x230CEB", {"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.fluent-testnet.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "debug_traceBlockByNumber",
    "params": ["0x230CEB", {"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.fluent-testnet.quiknode.pro/");
  const response = await provider.send("debug_traceBlockByNumber", [
    "0x230CEB",
    { "tracer": "callTracer" },
  ]);
  console.log(response);
})();

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

var raw = JSON.stringify({
  "method": "debug_traceBlockByNumber",
  "params": [
    "0x230CEB",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

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

fetch("https://docs-demo.fluent-testnet.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.fluent-testnet.quiknode.pro/"

payload = json.dumps({
  "method": "debug_traceBlockByNumber",
  "params": [
    "0x230CEB",
    {
      "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.fluent-testnet.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_traceBlockByNumber",
  "params": [
    "0x230CEB",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

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

from web3 import HTTPProvider
client = HTTPProvider('https://docs-demo.fluent-testnet.quiknode.pro/')
params = ['0x230CEB', {'tracer': 'callTracer'}]
response = client.make_request('debug_traceBlockByNumber', params)
print(response)

Don't have an account yet?

Create your QuickNode endpoint in seconds and start building

Get started for free