eth_getTransactionByBlockNumberAndIndex - Worldchain

Example code for the eth_getTransactionByBlockNumberAndIndex JSON-RPC method. Complete guide on how to use eth_getTransactionByBlockNumberAndIndex JSON-RPC in GetBlock Web3 documentation.

Returns information about a transaction by block number and transaction index position on the World Chain network.

Parameters

Parameter	Type	Description
blockNumber	string	Block number in hex, or "latest", "earliest", "pending"
transactionIndex	string	Transaction index position (hex)

Request

curl

curl --location --request POST 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x1A5C3B2", "0x0"],
    "id": "getblock.io"
}'

JavaScript (axios)

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x1A5C3B2", "0x0"],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

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

Python (requests)

import requests
import json

url = "https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x1A5C3B2", "0x0"],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

Rust (reqwest)

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "eth_getTransactionByBlockNumberAndIndex",
            "params": ["0x1A5C3B2", "0x0"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "hash": "0x...",
        "blockNumber": "0x1A5C3B2",
        "from": "0x...",
        "to": "0x...",
        "value": "0x..."
    }
}

Response Parameters

Field	Type	Description
hash	string	Transaction hash
blockNumber	string	Block number
from	string	Sender address
to	string	Recipient address
value	string	Value transferred in wei

Use Case

The eth_getTransactionByBlockNumberAndIndex method on World Chain is typically used for:

• Block transaction retrieval

• Index-based lookup

• Historical transaction access

• Block iteration

Error Handling

Status Code	Error Message	Cause
403	Forbidden	Missing or invalid ACCESS-TOKEN

Web3 Integration

Ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/');

const tx = await provider.send('eth_getTransactionByBlockNumberAndIndex', ['latest', '0x0']);
console.log('Transaction:', tx);

Viem

import { createPublicClient, http } from 'viem';
import { worldchain } from 'viem/chains';

const client = createPublicClient({
    chain: worldchain,
    transport: http('https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/')
});

const tx = await client.request({
    method: 'eth_getTransactionByBlockNumberAndIndex',
    params: ['latest', '0x0']
});
console.log('Transaction:', tx);