getUncleByBlockHashAndIndex

Returns information about a uncle of a block by hash and uncle index position.

Parameters

DATA, 32 Bytes

hash a block.

QUANTITY

the uncle's index position.

params: [
   '0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b',
   '0x0' // 0
]

Returns

Object

A block object, or null when no block was found:

number: QUANTITY

the block number. null when its pending block.

hash: DATA, 32 Bytes

hash of the block. null when its pending block.

parentHash: DATA, 32 Bytes

hash of the parent block.

nonce: DATA, 8 Bytes

hash of the generated proof-of-work. null when its pending block.

sha3Uncles: DATA, 32 Bytes

SHA3 of the uncles data in the block.

logsBloom: DATA, 256 Bytes

the bloom filter for the logs of the block. null when its pending block.

transactionsRoot: DATA, 32 Bytes

the root of the transaction trie of the block.

stateRoot: DATA, 32 Bytes

the root of the final state trie of the block.

receiptsRoot: DATA, 32 Bytes

the root of the receipts trie of the block.

miner: DATA, 20 Bytes

the address of the beneficiary to whom the mining rewards were given.

difficulty: QUANTITY

integer of the difficulty for this block.

totalDifficulty: QUANTITY

integer of the total difficulty of the chain until this block.

extraData: DATA

the "extra data" field of this block.

size: QUANTITY

integer the size of this block in bytes. gasLimit: QUANTITY the maximum gas allowed in this block.

gasUsed: QUANTITY

the total used gas by all transactions in this block.

timestamp: QUANTITY

the unix timestamp for when the block was collated.

transactions: Array

Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter.

uncles: Array

Array of uncle hashes.

Requests

C#

var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Post, "https://testnode.jumbochain.org");
var content = new StringContent("{\n\t\"jsonrpc\":\"2.0\",\n\t\"method\":\"jumbo_getUncleByBlockHashAndIndex\",\n\t\"params\":[\n\t\t\"0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc\", \n\t\t\"0x0\"\n\t],\n\t\"id\":1\n}", null, "application/json");
request.Content = content;
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());

cURL

curl --location 'https://testnode.jumbochain.org' \
--header 'Content-Type: application/json' \
--data '{
	"jsonrpc":"2.0",
	"method":"jumbo getUncleByBlockHashAndIndex",
	"params":[
		"0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
		"0x0"
	],
	"id":1
}'

HTTP

POST / HTTP/1.1
Host: testnode.jumbochain.org
Content-Type: application/json
Content-Length: 173

{
	"jsonrpc":"2.0",
	"method":"jumbo_getUncleByBlockHashAndIndex",
	"params":[
		"0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
		"0x0"
	],
	"id":1
}

Java

OkHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\n\t\"jsonrpc\":\"2.0\",\n\t\"method\":\"jumbo_getUncleByBlockHashAndIndex\",\n\t\"params\":[\n\t\t\"0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc\", \n\t\t\"0x0\"\n\t],\n\t\"id\":1\n}");
Request request = new Request.Builder()
  .url("https://testnode.jumbochain.org")
  .method("POST", body)
  .addHeader("Content-Type", "application/json")
  .build();
Response response = client.newCall(request).execute();

NodeJs

const axios = require("axios");
let data = JSON.stringify({
  jsonrpc: "2.0",
  method: "jumbo_getUncleByBlockHashAndIndex",
  params: [
    "0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
    "0x0",
  ],
  id: 1,
});

let config = {
  method: "post",
  maxBodyLength: Infinity,
  url: "https://testnode.jumbochain.org",
  headers: {
    "Content-Type": "application/json",
  },
  data: data,
};

axios
  .request(config)
  .then((response) => {
    console.log(JSON.stringify(response.data));
  })
  .catch((error) => {
    console.log(error);
  });

Python

import requests
import json

url = "https://testnode.jumbochain.org"

payload = json.dumps({
  "jsonrpc": "2.0",
  "method": "jumbo_getUncleByBlockHashAndIndex",
  "params": [
    "0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
    "0x0"
  ],
  "id": 1
})
headers = {
  'Content-Type': 'application/json'
}

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

print(response.text)

Javascript

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

const raw = JSON.stringify({
  jsonrpc: "2.0",
  method: "jumbo_getUncleByBlockHashAndIndex",
  params: [
    "0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
    "0x0",
  ],
  id: 1,
});

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

fetch("https://testnode.jumbochain.org", requestOptions)
  .then((response) => response.text())
  .then((result) => console.log(result))
  .catch((error) => console.error(error));

Go

package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://testnode.jumbochain.org"
  method := "POST"

  payload := strings.NewReader(`{
	"jsonrpc":"2.0",
	"method":"jumbo_getUncleByBlockHashAndIndex",
	"params":[
		"0x7cea0c9ae53df7073fcd4e7b19fc3f1905a2540bbdbd9a10796c9296f5af55dc",
		"0x0"
	],
	"id":1
}`)

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Content-Type", "application/json")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}