Parameters

blockNumber

integer

The block number. If not provided, returns the latest block hash

Returns

result

string

The block hash associated with the block number

Request

1
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/asset-hub' \
2
     --header 'Content-Type: application/json' \
3
     --data '{"jsonrpc":"2.0","id":1,"method":"chain_getBlockHash","params":[1000000]}'

1
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/asset-hub' \
2
     --header 'Content-Type: application/json' \
3
     --data '{"jsonrpc":"2.0","id":1,"method":"chain_getBlockHash","params":[1000000]}'

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

4
const raw = JSON.stringify({
5
  "jsonrpc": "2.0",
6
  "id": 1,
7
  "method": "chain_getBlockHash",
8
  "params": [1000000]
9
});
10

11
const requestOptions = {
12
  method: "POST",
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: "follow"
16
};
17

18
fetch("https://docs-demo.dot-mainnet.quiknode.pro/asset-hub", requestOptions)
19
  .then((response) => response.text())
20
  .then((result) => console.log(result))
21
  .catch((error) => console.error(error));
22

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

4
const raw = JSON.stringify({
5
  "jsonrpc": "2.0",
6
  "id": 1,
7
  "method": "chain_getBlockHash",
8
  "params": [1000000]
9
});
10

11
const requestOptions = {
12
  method: "POST",
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: "follow"
16
};
17

18
fetch("https://docs-demo.dot-mainnet.quiknode.pro/asset-hub", requestOptions)
19
  .then((response) => response.text())
20
  .then((result) => console.log(result))
21
  .catch((error) => console.error(error));
22

1
import requests
2
import json
3

4
url = "https://docs-demo.dot-mainnet.quiknode.pro/asset-hub"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "id": 1,
9
  "method": "chain_getBlockHash",
10
  "params": [1000000]
11
})
12

13
headers = {
14
  'Content-Type': 'application/json'
15
}
16

17
response = requests.request("POST", url, headers=headers, data=payload)
18
print(response.text)
19

1
import requests
2
import json
3

4
url = "https://docs-demo.dot-mainnet.quiknode.pro/asset-hub"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "id": 1,
9
  "method": "chain_getBlockHash",
10
  "params": [1000000]
11
})
12

13
headers = {
14
  'Content-Type': 'application/json'
15
}
16

17
response = requests.request("POST", url, headers=headers, data=payload)
18
print(response.text)
19

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

5
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/asset-hub")
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["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "jsonrpc": "2.0",
14
  "id": 1,
15
  "method": "chain_getBlockHash",
16
  "params": [1000000]
17
})
18

19
response = https.request(request)
20
puts response.read_body
21

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

5
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/asset-hub")
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["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "jsonrpc": "2.0",
14
  "id": 1,
15
  "method": "chain_getBlockHash",
16
  "params": [1000000]
17
})
18

19
response = https.request(request)
20
puts response.read_body
21

Don't have an account yet?

Create your Quicknode endpoint in seconds and start building

Get started for free