/eth/v1/beacon/states/{state_id}/finality_checkpoints 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

The object with the following values:

previous_justified

array

The Checkpoint

epoch

string

The corresponding epoch

root

string

The corresponding root

current_justified

array

The Checkpoint

epoch

string

The corresponding epoch

root

string

The corresponding root

final_justified

array

The Checkpoint

epoch

string

The corresponding epoch

root

string

The corresponding root

Request

curl -X GET \
    "https://docs-demo.quiknode.pro/eth/v1/beacon/states/head/finality_checkpoints" \
    -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/finality_checkpoints", 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/finality_checkpoints"

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/finality_checkpoints")

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_justified": {
      "epoch": "362031",
      "root": "0x73b5a6d2eaa71fa6b9377672f5635127e12a6f2e55609c5f2eb1c4dd4c3d4d57"
    },
    "current_justified": {
      "epoch": "362032",
      "root": "0x69078f161082cbddcbbf6d2abe605f3a1f56005dac5300ff15bf8b3961d67643"
    },
    "finalized": {
      "epoch": "362031",
      "root": "0x73b5a6d2eaa71fa6b9377672f5635127e12a6f2e55609c5f2eb1c4dd4c3d4d57"
    }
  }
}

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