Path Parameters

palletId

string

REQUIRED

The name or index of the pallet to read constant metadata for

constantItemId

string

REQUIRED

Id of the const item to query for

Query Parameters

at

string

Block at which to query the const item at.

metadata

boolean

Include the const items metadata (including documentation) if set to true.

Returns

at

object

An object containing information about the state

hash

string

The block's hash

height

string

The block's height

pallet

string

Specifies the pallet (or module) within the blockchain's runtime

palletIndex

string

The index of the pallet within the runtime

constantsItem

string

The id of the const item

Request

1
# AssetHub (default) - for pallet constants from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for pallet constants from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/pallets/System/consts/BlockWeights' \
7
--header 'Accept: application/json'

1
# AssetHub (default) - for pallet constants from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for pallet constants from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/pallets/System/consts/BlockWeights' \
7
--header 'Accept: application/json'

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/pallets/System/consts/BlockWeights")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

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