eth_getTransactionByBlockNumberAndIndex - Mantle

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

This method returns information about a transaction by block number and transaction index position on the Mantle 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://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x3F6777", "0x0"],
    "id": "getblock.io"
}'

JavaScript (axios)

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x3F6777", "0x0"],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.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://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockNumberAndIndex",
    "params": ["0x3F6777", "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://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "eth_getTransactionByBlockNumberAndIndex",
            "params": ["0x3F6777", "0x0"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "blockHash": "0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e",
        "blockNumber": "0x3f6777",
        "from": "0x52988D3DD2D1b36E9c48866670b7683C42197139",
        "gas": "0x5208",
        "gasPrice": "0x1",
        "hash": "0x6dfef681e0a83a40b05d40877e53a88459e8829240a6d6d5ec6fe816e435f8d8",
        "input": "0x",
        "nonce": "0x2d99",
        "to": "0xD85498dbEaEB1Df24BE52eED4F52eAc2Fbd56245",
        "transactionIndex": "0x0",
        "value": "0xde0b6b3a7640000"
    }
}

Response Parameters

Field

Type

Description

hash

string

Transaction hash

blockHash

string

Block hash

blockNumber

string

Block number (hex)

from

string

Sender address

string

Recipient address

transactionIndex

string

Index in the block

value

string

Value transferred in wei

Use Case

The eth_getTransactionByBlockNumberAndIndex method is essential for:

Sequential block scanning
Transaction indexing
Historical data extraction
Block explorer functionality
Data synchronization
Transaction ordering analysis

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

-32602

Invalid params

Invalid block number or index

Web3 Integration

Ethers.js

import { ethers } from 'ethers';

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

const tx = await provider.send('eth_getTransactionByBlockNumberAndIndex', [
    '0x3F6777',
    '0x0'
]);
console.log('Transaction:', tx);

Viem

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

const client = createPublicClient({
    chain: mantle,
    transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

const tx = await client.request({
    method: 'eth_getTransactionByBlockNumberAndIndex',
    params: ['0x3F6777', '0x0']
});
console.log('Transaction:', tx);

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