trace_block 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 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

Returns

result

array

The block traces, where each trace object contains the following fields (all values are hexadecimal unless otherwise noted):

action

object

The action object that describes the call context

from

string

The address of the sender

callType

string

The type of call (e.g., call, delegatecall, staticcall, etc.)

gas

string

The gas provided for the call

input

string

The input data sent with the call

to

string

The address of the recipient

value

string

The amount of wei sent with the call

blockHash

string

The hash of the block containing the traced transaction

blockNumber

integer

The block number of the traced transaction

error

string

(Optional) Error message if the call failed

result

object

The result of the traced call execution

gasUsed

string

The gas used by this specific call

output

string

The return value from the call, or empty if no RETURN was executed

subtraces

integer

The number of internal subtraces that occurred

traceAddress

array

The call hierarchy represented as an array of integers

transactionHash

string

The hash of the transaction that generated this trace

transactionPosition

integer

The index of the transaction in the block

type

string

The type of trace (e.g., call, create)

Request

curl https://docs-demo.sonic-mainnet.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"trace_block","params":["0x8979B2"],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.sonic-mainnet.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "trace_block",
    "params": ["0x8979B2"],
    "id": "1"
}

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

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.sonic-mainnet.quiknode.pro/");
  const response = await provider.send("trace_block", [
    "0x8979B2",
  ]);
  console.log(response);
})();

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

var raw = JSON.stringify({
  "method": "trace_block",
  "params": [
    "0x8979B2"
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

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

fetch("https://docs-demo.sonic-mainnet.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.sonic-mainnet.quiknode.pro/"

payload = json.dumps({
  "method": "trace_block",
  "params": [
    "0x8979B2"
  ],
  "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.sonic-mainnet.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": "trace_block",
  "params": [
    "0x8979B2"
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

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

from web3 import HTTPProvider

client = HTTPProvider('https://docs-demo.sonic-mainnet.quiknode.pro/')
result = client.make_request('trace_block', ['0x8979B2'])
print(result)

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