getLastBlock Query

Parameters

This method does not accept any parameters

Returns

data

object

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chain

object

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latestBlock

object

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id

string

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height

string

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Request

curl --location 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data '{
  "query": "{ chain { latestBlock { id height } } }"
}'

const LATEST_BLOCK_QUERY = `
  query {
    chain {
      latestBlock {
        id
        height
      }
    }
  }
`;

const fetchLatestBlock = async (): Promise<void> => {
  try {
    const response = await fetch('https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql', {
      method: 'POST',
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        query: LATEST_BLOCK_QUERY,
      }),
    });

    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }

    const result = await response.json();
    console.log('Latest Block ID:', result.data.chain.latestBlock.id);
    console.log('Latest Block Height:', result.data.chain.latestBlock.height);
  } catch (error) {
    console.error('Error fetching latest block:', error);
  }
};

fetchLatestBlock();

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

const raw = JSON.stringify({
  "query": "{ chain { latestBlock { id height } } }"
});

const requestOptions = {
  method: "POST",
  headers: myHeaders,
  body: raw,
  redirect: "follow"
};

fetch("https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql", requestOptions)
  .then((response) => response.text())
  .then((result) => console.log(result))
  .catch((error) => console.error(error));

const { ApolloClient, InMemoryCache, gql } = require('@apollo/client/core');
const fetch = require('cross-fetch');

const client = new ApolloClient({
  uri: 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql',
  cache: new InMemoryCache(),
  fetch: fetch,
  headers: {
    'Accept': 'application/json',
    'Content-Type': 'application/json'
  }
});

const LATEST_BLOCK_QUERY = gql`
  {
    chain {
      latestBlock {
        id
        height
      }
    }
  }
`;

client.query({
  query: LATEST_BLOCK_QUERY
})
.then(result => {
  const latestBlock = result.data.chain.latestBlock;
  console.log('Latest Block Information:');
  console.log(`ID: ${latestBlock.id}`);
  console.log(`Height: ${latestBlock.height}`);
})
.catch(error => console.error('Error:', error));

import requests
import json

url = "https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql"

payload = json.dumps({
  "query": "{ chain { latestBlock { id height } } }"
})
headers = {
  'Accept': 'application/json',
  '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.fuel-mainnet.quiknode.pro/v1/graphql")

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

request = Net::HTTP::Post.new(url)
request["Accept"] = "application/json"
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "query": "{ chain { latestBlock { id height } } }"
})

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

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