Parameters

BlockHash

string

The hash of the block for which you want to retrieve the header information. If not provided, the request will return the header of the latest block on the chain

Returns

result

object

An object representing the header information of the requested block:

parentHash

string

The hash of the parent block, which is the previous block in the chain

number

string

The block number or height in the blockchain sequence

stateRoot

string

The root hash of the state trie after applying the block's transactions

extrinsicsRoot

string

The root hash of the trie containing the extrinsics (transactions) in the block

digest

object

Block digest containing consensus and runtime logs

logs

array

List of digest log entries as hex strings

Request

1
curl -X POST "https://docs-demo.peaq-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "chain_getHeader",
6
  "params": [],
7
  "id": 1
8
}'

1
curl -X POST "https://docs-demo.peaq-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "chain_getHeader",
6
  "params": [],
7
  "id": 1
8
}'

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'chain_getHeader',
4
    params: [],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.peaq-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'chain_getHeader',
4
    params: [],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.peaq-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.peaq-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "chain_getHeader",
9
  "params": [],
10
  "id": 1
11
})
12
headers = {
13
  'Content-Type': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.peaq-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "chain_getHeader",
9
  "params": [],
10
  "id": 1
11
})
12
headers = {
13
  'Content-Type': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)

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

5
uri = URI("https://docs-demo.peaq-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "chain_getHeader",
11
  params: []
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

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

5
uri = URI("https://docs-demo.peaq-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "chain_getHeader",
11
  params: []
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "parentHash": "0x613a1341ce1f0205e265f02d3990ebc725347212e255a6460e2f880c9b936d76",
5
    "number": "0x92a3df",
6
    "stateRoot": "0x5230372abb570f0b4630e3e658b7164562f95a45efca6f77e939be2a6c6481c2",
7
    "extrinsicsRoot": "0x987d4970ad48bec4f54e172ce1488f90030b5ea4c3ae0b9cc878cfd2e95c1f9d",
8
    "digest": {
9
      "logs": [
10
        "0x066175726120efc9a11100000000",
11
        "0x04525053529050ed4077623fc60b5d3a13d134a16d18706cc389f3515929d1d6cacb3ad2444f02f44a07",
12
        "0x0466726f6e090101c14d4fe46582331f286641f7317b46a4e3066ff3a5acc07e1ef8cb462e6528d8044230278147950ee96fdcaa3d24737e074aa39aa92cbe321a7401154d03c851f3",
13
        "0x05617572610101fa2af070d1b328517c1e9717f5680c165d7c621b513110e0bb0b1dd55fd39a21c774fd578e649d7aeaa66c81a25cb5ae57e47b7f24df863a8fa9b9951bd7ba80"
14
      ]
15
    }
16
  },
17
  "id": 1
18
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "parentHash": "0x613a1341ce1f0205e265f02d3990ebc725347212e255a6460e2f880c9b936d76",
5
    "number": "0x92a3df",
6
    "stateRoot": "0x5230372abb570f0b4630e3e658b7164562f95a45efca6f77e939be2a6c6481c2",
7
    "extrinsicsRoot": "0x987d4970ad48bec4f54e172ce1488f90030b5ea4c3ae0b9cc878cfd2e95c1f9d",
8
    "digest": {
9
      "logs": [
10
        "0x066175726120efc9a11100000000",
11
        "0x04525053529050ed4077623fc60b5d3a13d134a16d18706cc389f3515929d1d6cacb3ad2444f02f44a07",
12
        "0x0466726f6e090101c14d4fe46582331f286641f7317b46a4e3066ff3a5acc07e1ef8cb462e6528d8044230278147950ee96fdcaa3d24737e074aa39aa92cbe321a7401154d03c851f3",
13
        "0x05617572610101fa2af070d1b328517c1e9717f5680c165d7c621b513110e0bb0b1dd55fd39a21c774fd578e649d7aeaa66c81a25cb5ae57e47b7f24df863a8fa9b9951bd7ba80"
14
      ]
15
    }
16
  },
17
  "id": 1
18
}

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