Parameters

This method does not accept any parameters

Returns

data

object

The data object which contains the following fields:

chain

object

The object that holds information about the blockchain network

latestBlock

object

The object containing details of the latest block in the blockchain

id

string

The unique identifier (hash) of the latest block

height

string

The block height of the latest block

extensions

object

GraphQL response metadata returned by the Fuel node.

current_consensus_parameters_version

integer

The current consensus parameters version

current_fuel_block_height

integer

The current Fuel block height

current_stf_version

integer

The current STF version

Request

1
curl --location 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql' \
2
--header 'Accept: application/json' \
3
--header 'Content-Type: application/json' \
4
--data '{
5
  "query": "{ chain { latestBlock { id height } } }"
6
}'

1
curl --location 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql' \
2
--header 'Accept: application/json' \
3
--header 'Content-Type: application/json' \
4
--data '{
5
  "query": "{ chain { latestBlock { id height } } }"
6
}'

1
const LATEST_BLOCK_QUERY = `
2
  query {
3
    chain {
4
      latestBlock {
5
        id
6
        height
7
      }
8
    }
9
  }
10
`;
11

12
const fetchLatestBlock = async (): Promise<void> => {
13
  try {
14
    const response = await fetch('https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql', {
15
      method: 'POST',
16
      headers: {
17
        'Accept': 'application/json',
18
        'Content-Type': 'application/json',
19
      },
20
      body: JSON.stringify({
21
        query: LATEST_BLOCK_QUERY,
22
      }),
23
    });
24

25
    if (!response.ok) {
26
      throw new Error(`HTTP error! status: ${response.status}`);
27
    }
28

29
    const result = await response.json();
30
    console.log('Latest Block ID:', result.data.chain.latestBlock.id);
31
    console.log('Latest Block Height:', result.data.chain.latestBlock.height);
32
  } catch (error) {
33
    console.error('Error fetching latest block:', error);
34
  }
35
};
36

37
fetchLatestBlock();
38

1
const LATEST_BLOCK_QUERY = `
2
  query {
3
    chain {
4
      latestBlock {
5
        id
6
        height
7
      }
8
    }
9
  }
10
`;
11

12
const fetchLatestBlock = async (): Promise<void> => {
13
  try {
14
    const response = await fetch('https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql', {
15
      method: 'POST',
16
      headers: {
17
        'Accept': 'application/json',
18
        'Content-Type': 'application/json',
19
      },
20
      body: JSON.stringify({
21
        query: LATEST_BLOCK_QUERY,
22
      }),
23
    });
24

25
    if (!response.ok) {
26
      throw new Error(`HTTP error! status: ${response.status}`);
27
    }
28

29
    const result = await response.json();
30
    console.log('Latest Block ID:', result.data.chain.latestBlock.id);
31
    console.log('Latest Block Height:', result.data.chain.latestBlock.height);
32
  } catch (error) {
33
    console.error('Error fetching latest block:', error);
34
  }
35
};
36

37
fetchLatestBlock();
38

1
const myHeaders = new Headers();
2
myHeaders.append("Accept", "application/json");
3
myHeaders.append("Content-Type", "application/json");
4

5
const raw = JSON.stringify({
6
  "query": "{ chain { latestBlock { id height } } }"
7
});
8

9
const requestOptions = {
10
  method: "POST",
11
  headers: myHeaders,
12
  body: raw,
13
  redirect: "follow"
14
};
15

16
fetch("https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql", requestOptions)
17
  .then((response) => response.text())
18
  .then((result) => console.log(result))
19
  .catch((error) => console.error(error));

1
const myHeaders = new Headers();
2
myHeaders.append("Accept", "application/json");
3
myHeaders.append("Content-Type", "application/json");
4

5
const raw = JSON.stringify({
6
  "query": "{ chain { latestBlock { id height } } }"
7
});
8

9
const requestOptions = {
10
  method: "POST",
11
  headers: myHeaders,
12
  body: raw,
13
  redirect: "follow"
14
};
15

16
fetch("https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql", requestOptions)
17
  .then((response) => response.text())
18
  .then((result) => console.log(result))
19
  .catch((error) => console.error(error));

1
const { ApolloClient, InMemoryCache, gql } = require('@apollo/client/core');
2
const fetch = require('cross-fetch');
3

4
const client = new ApolloClient({
5
  uri: 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql',
6
  cache: new InMemoryCache(),
7
  fetch: fetch,
8
  headers: {
9
    'Accept': 'application/json',
10
    'Content-Type': 'application/json'
11
  }
12
});
13

14
const LATEST_BLOCK_QUERY = gql`
15
  {
16
    chain {
17
      latestBlock {
18
        id
19
        height
20
      }
21
    }
22
  }
23
`;
24

25
client.query({
26
  query: LATEST_BLOCK_QUERY
27
})
28
.then(result => {
29
  const latestBlock = result.data.chain.latestBlock;
30
  console.log('Latest Block Information:');
31
  console.log(`ID: ${latestBlock.id}`);
32
  console.log(`Height: ${latestBlock.height}`);
33
})
34
.catch(error => console.error('Error:', error));

1
const { ApolloClient, InMemoryCache, gql } = require('@apollo/client/core');
2
const fetch = require('cross-fetch');
3

4
const client = new ApolloClient({
5
  uri: 'https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql',
6
  cache: new InMemoryCache(),
7
  fetch: fetch,
8
  headers: {
9
    'Accept': 'application/json',
10
    'Content-Type': 'application/json'
11
  }
12
});
13

14
const LATEST_BLOCK_QUERY = gql`
15
  {
16
    chain {
17
      latestBlock {
18
        id
19
        height
20
      }
21
    }
22
  }
23
`;
24

25
client.query({
26
  query: LATEST_BLOCK_QUERY
27
})
28
.then(result => {
29
  const latestBlock = result.data.chain.latestBlock;
30
  console.log('Latest Block Information:');
31
  console.log(`ID: ${latestBlock.id}`);
32
  console.log(`Height: ${latestBlock.height}`);
33
})
34
.catch(error => console.error('Error:', error));

1
import requests
2
import json
3

4
url = "https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql"
5

6
payload = json.dumps({
7
  "query": "{ chain { latestBlock { id height } } }"
8
})
9
headers = {
10
  'Accept': 'application/json',
11
  'Content-Type': 'application/json'
12
}
13

14
response = requests.request("POST", url, headers=headers, data=payload)
15

16
print(response.text)
17

1
import requests
2
import json
3

4
url = "https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql"
5

6
payload = json.dumps({
7
  "query": "{ chain { latestBlock { id height } } }"
8
})
9
headers = {
10
  'Accept': 'application/json',
11
  'Content-Type': 'application/json'
12
}
13

14
response = requests.request("POST", url, headers=headers, data=payload)
15

16
print(response.text)
17

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Accept"] = "application/json"
12
request["Content-Type"] = "application/json"
13
request.body = JSON.dump({
14
  "query": "{ chain { latestBlock { id height } } }"
15
})
16

17
response = https.request(request)
18
puts response.read_body
19

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.fuel-mainnet.quiknode.pro/v1/graphql")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Accept"] = "application/json"
12
request["Content-Type"] = "application/json"
13
request.body = JSON.dump({
14
  "query": "{ chain { latestBlock { id height } } }"
15
})
16

17
response = https.request(request)
18
puts response.read_body
19

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