debug_traceTransaction 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

transactionHash

string

REQUIRED

The transaction hash that needs to be traced, encoded in hexadecimal format

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

timeout

string

A string of decimal integers that overrides the JavaScript-based tracing calls default timeout of 5 seconds

Returns

result

object

An object containing detailed information about the traced transaction

from

string

The address the transaction is sent from

gas

string

The gas provided for the transaction execution

gasUsed

string

The gas consumed by the transaction

to

string

The address the transaction is directed to

input

string

The input data sent with the transaction

calls

array

An array containing internal calls made during the transaction

from

string

The address initiating the call

gas

string

The gas limit specified for the call

gasUsed

string

The amount of gas used during the call

to

string

The address being called

input

string

The input data for the call

value

string

The value (in Wei) sent with the call

type

string

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

value

string

The value (in Wei) sent with this 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_traceTransaction","params":["0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f", {"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_traceTransaction",
    "params": ["0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f", {"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_traceTransaction", [
    "0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f",
    { "tracer": "callTracer" },
  ]);
  console.log(response);
})();

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

var raw = JSON.stringify({
  "method": "debug_traceTransaction",
  "params": [
    "0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f",
    {
      "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_traceTransaction",
  "params": [
    "0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f",
    {
      "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_traceTransaction",
  "params": [
    "0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f",
    {
      "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 = ["0x71ee2fda4eb46d412b51b2aa23ede6d4c5b047c59d81c06d8262db81d1e7c62f",{ "tracer": "callTracer" }]
response = client.make_request('debug_traceTransaction', params)
print(response)

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