Get an uncle block by block hash and index

POST

https://lukso.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Invokes eth_getUncleByBlockHashAndIndex on LUKSO Mainnet and returns its result.

Body

application/json

jsonrpcstringrequired

JSON-RPC protocol version. Use 2.0.

methodstringrequired

JSON-RPC method to invoke.

paramsArray<string>required

blockHash: 32-byte block hash - index: the uncle index as hex (e.g., "0x0" for the first uncle)

idintegerrequired

Identifier used to correlate the request with its response.

Response

200OK

Uncle block object or null

Get an uncle block by block hash and index

curl -X POST 'https://lukso.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_getUncleByBlockHashAndIndex",
    "params": [
      "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
      "0x0"
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://lukso.nownodes.io/");
const result = await provider.send("eth_getUncleByBlockHashAndIndex", [
  "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
  "0x0"
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://lukso.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "eth_getUncleByBlockHashAndIndex",
  "params": [
    "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
    "0x0"
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://lukso.nownodes.io/"))
response = w3.provider.make_request("eth_getUncleByBlockHashAndIndex", [
  "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
  "0x0"
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://lukso.nownodes.io/"),
});

const result = await client.request({
  method: "eth_getUncleByBlockHashAndIndex",
  params: [
  "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
  "0x0"
],
});

console.log(result);

const endpoint = "https://lukso.nownodes.io/";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "eth_getUncleByBlockHashAndIndex", params: [
  "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
  "0x0"
], id: 1 });
console.log(result);

const response = await fetch('https://lukso.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 1,
      "method": "eth_getUncleByBlockHashAndIndex",
      "params": [
        "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
        "0x0"
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getUncleByBlockHashAndIndex",
  "params": [
    "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
    "0x0"
  ]
}

response = requests.post('https://lukso.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://lukso.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_getUncleByBlockHashAndIndex",
    "params": [
      "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
      "0x0"
    ]
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getUncleByBlockHashAndIndex",
  "params": [
    "0xcca42f494ad4732e4eb194f4d9001e0469a536a9d34a572e963910291101af75",
    "0x0"
  ]
}

200

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": null
}