eth_getTransactionByBlockNumberAndIndex - HyperEVM

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

This method returns information about a transaction by block number and transaction index position.

Parameters

Parameter	Type	Required	Description
blockNumber	string	Yes	Block number (hex) or "latest".
index	string	Yes	Transaction index position (hex).

Request

cURL

cURL

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

Axios

request

Rust

Response

Response (JSON)

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "hash": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
        "blockNumber": "0x1b4",
        "from": "0x742d35Cc6634C0532925a3b844Bc9e7595f5bE21",
        "to": "0x1234567890123456789012345678901234567890",
        "value": "0xde0b6b3a7640000",
        "transactionIndex": "0x0"
    }
}

Response Parameters

Field	Type	Description
hash	string	Transaction hash.
blockNumber	string	Block number (hex).
from	string	Sender address.
to	string	Recipient address.
value	string	Value transferred (hex wei).
transactionIndex	string	Index in block (hex).

Use Case

The eth_getTransactionByBlockNumberAndIndex method is essential for:

• Sequential block transaction processing

• Block indexing systems

• Transaction verification by position

• Iterating through block transactions

Error Handling

Error Code	Message	Cause
-32602	Invalid params	Invalid block number or index.
-32603	Internal error	Transaction not found.

Web3 Integration

Ether.js

import { ethers } from "ethers";
const RPC_URL = "https://go.getblock.io/<ACCESS_TOKEN>";
const provider = new ethers.JsonRpcProvider(RPC_URL);

async function Call() {
  try {
    // Call the method — this will resolve to a number (promise resolves to number)
    const result = await provider.send("eth_getTransactionByBlockNumberAndIndex",
 ["latest", "0x0"]);
    console.log("The result:", result);
    return result;
  } catch (error) {
    console.error("The error:", error);
    throw error;
  }
}

Viem