eth_getBlockTransactionCountByHash - Mantle

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

This method returns the number of transactions in a block specified by block hash on the Mantle network.

Parameters

Parameter	Type	Description
blockHash	string	32-byte block hash

Request examples

curl

curl request

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e"],
    "id": "getblock.io"
}'

JavaScript (axios)

axios

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e"],
    "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)

requests

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e"],
    "id": "getblock.io"
})

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

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

Rust (reqwest)

rust

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_getBlockTransactionCountByHash",
            "params": ["0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

response.json

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x7b"
}

Response Parameters

Field	Type	Description
jsonrpc	string	JSON-RPC protocol version ("2.0")
id	string	Request identifier matching the request
result	string	Number of transactions in block (hex)

Use Case

The eth_getBlockTransactionCountByHash method is essential for:

• Block transaction statistics

• Block explorer functionality

• Network activity monitoring

• Data validation

• Performance analysis

• Block size estimation

Error Handling

Status Code / Error	Cause
403	Forbidden — Missing or invalid ACCESS-TOKEN
-32602	Invalid params — Invalid block hash format

Web3 Integration

Ethers.js

Ethers.js

import { ethers } from 'ethers';

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

const block = await provider.getBlock('0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e');
console.log('Transaction count:', block.transactions.length);

Viem

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 count = await client.getBlockTransactionCount({
    blockHash: '0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e'
});
console.log('Transaction count:', count);