eth_getUncleByBlockHashAndIndex

Get Uncle By Block Hash And Index

POSThttps://site1.moralis-nodes.com/:chain/:apiKey

Retrieves details of an uncle block by specifying the hash of the parent block and the uncle's index position. This method is useful for examining the uncles of a given block, providing insights into block reorganizations and network security.

Note

Please refer to RPC schema page for more details on the RPC params and RPC response definitions of the RPC method.

PATH PARAMS

chainstringrequired

The blockchain to interact with.

ethsepoliaholeskybasebase-sepoliapolygonamoybscbsc-testnetarbitrumarbitrum-sepoliaoptimismoptimism-sepoliagnosisgnosis-testnetlinealinea-sepoliaavalanchemoonbeammoonrivermoonbaseblastblast-sepoliamantlemantle-sepoliapolygon-zkevmpolygon-zkevm-cardonazksynczksync-sepoliazetachainzetachain-testnetfantomopbnbflowflow-testnetroninronin-testnetlisklisk-sepoliapulse

apiKeystringrequired

Your API key for authentication.

BODY PARAM

Request Bodyobjectrequired

The request payload for retrieving an uncle by block hash and index.

{ "jsonrpc": "2.0", "id": 1, "method": "eth_getUncleByBlockHashAndIndex" }

Responses

200Returns the specified uncle block details.

400Bad Request

404Not Found

429Too Many Requests

500Internal Server Error

cURL

curl --request POST \
     --url 'https://site1.moralis-nodes.com/eth/YOUR_API_KEY' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getUncleByBlockHashAndIndex"
}
'

Node.js

// Node.js v18+ has native fetch support
// No additional dependencies required

const options = {
  method: 'POST',
  headers: {
    accept: 'application/json',
    'content-type': 'application/json'
  },
  body: JSON.stringify({
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_getUncleByBlockHashAndIndex"
  })
};

fetch('https://site1.moralis-nodes.com/eth/YOUR_API_KEY', options)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

Python

# Dependencies to install:
# $ python -m pip install requests

import requests

url = "https://site1.moralis-nodes.com/eth/YOUR_API_KEY"

payload = {
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getUncleByBlockHashAndIndex"
}
headers = {
  "Accept": "application/json",
  "Content-Type": "application/json"
}

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

print(response.text)

Go

package main

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

func main() {

  url := "https://site1.moralis-nodes.com/eth/YOUR_API_KEY"

  payload := strings.NewReader("{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"eth_getUncleByBlockHashAndIndex\"}")

  req, _ := http.NewRequest("POST", url, payload)

  req.Header.Add("Accept", "application/json")
  req.Header.Add("Content-Type", "application/json")

  res, _ := http.DefaultClient.Do(req)

  defer res.Body.Close()
  body, _ := io.ReadAll(res.Body)

  fmt.Println(res)
  fmt.Println(string(body))

}

PHP

<?php
// Dependencies to install:
// $ composer require guzzlehttp/guzzle

require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://site1.moralis-nodes.com/eth/YOUR_API_KEY', [
  'body' => '{"jsonrpc":"2.0","id":1,"method":"eth_getUncleByBlockHashAndIndex"}',
  'headers' => [
    'Accept' => 'application/json',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();

Response Example

200 Returns the specified uncle block details.

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