chain_getBlockHash RPC Method

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

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

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

const raw = JSON.stringify({
  "jsonrpc": "2.0",
  "id": 1,
  "method": "chain_getBlockHash",
  "params": [1000000]
});

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

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

import requests
import json

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

payload = json.dumps({
  "jsonrpc": "2.0",
  "id": 1,
  "method": "chain_getBlockHash",
  "params": [1000000]
})

headers = {
  '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.dot-mainnet.quiknode.pro/asset-hub")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "jsonrpc": "2.0",
  "id": 1,
  "method": "chain_getBlockHash",
  "params": [1000000]
})

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

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