/eth/v1/beacon/states/{state_id}/fork RPC Method

Parameters

state_id

string

REQUIRED

The state identifier. It can be one of: head (canonical head in node's view), genesis, finalized, justified, slot and stateRoot (hex encoded stateRoot with 0x prefix)

Returns

execution_optimistic

boolean

It's true if the response references an unverified execution payload. The optimistic information may be invalidated at a later time. If the field is not present, assume the false value

data

object

The fork object from the CL spec with the following values:

previous_version

string

A fork version number

current_version

string

A fork version number

epoch

string

The epoch number

Request

curl -X GET \
    "https://docs-demo.quiknode.pro/eth/v1/beacon/states/head/fork" \
    -H "accept: application/json"

var myHeaders = new Headers();
myHeaders.append("accept", "application/json");

var requestOptions = {
  method: 'GET',
  headers: myHeaders,
  redirect: 'follow'
};

fetch("https://docs-demo.quiknode.pro/eth/v1/beacon/states/head/fork", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests

url = "https://docs-demo.quiknode.pro/eth/v1/beacon/states/head/fork"

payload={}
headers = {
  'accept': 'application/json'
}

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

print(response.text)

require "uri"
require "net/http"

url = URI("https://docs-demo.quiknode.pro/eth/v1/beacon/states/head/fork")

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

request = Net::HTTP::Get.new(url)
request["accept"] = "application/json"

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

Response

{
  "execution_optimistic": false,
  "finalized": false,
  "data": {
    "previous_version": "0x03000000",
    "current_version": "0x04000000",
    "epoch": "269568"
  }
}

Don't have an account yet?

Create your QuickNode endpoint in seconds and start building

Get started for free