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eth_getBlockTransactionCountByHash - Linea

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 identified by its hash.

Parameters

Parameter
Type
Required
Description

blockHash

string

Yes

32-byte block hash

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": ["0x8e3f5b2a9c1d4e7f0a6b3c8d5e2f9a1b4c7d0e3f6a9b2c5d8e1f4a7b0c3d6e9f"],
    "id": "getblock.io"
}'
example.js
const axios = require('axios');

const response = await axios.post('https://go.getblock.io/<ACCESS-TOKEN>/', {
    jsonrpc: '2.0',
    method: 'eth_getBlockTransactionCountByHash',
    params: ["0x8e3f5b2a9c1d4e7f0a6b3c8d5e2f9a1b4c7d0e3f6a9b2c5d8e1f4a7b0c3d6e9f"],
    id: 'getblock.io'
}, {
    headers: { 'Content-Type': 'application/json' }
});

console.log(response.data.result);
example.py
import requests

response = requests.post(
    'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers={'Content-Type': 'application/json'},
    json={
        'jsonrpc': '2.0',
        'method': 'eth_getBlockTransactionCountByHash',
        'params': ["0x8e3f5b2a9c1d4e7f0a6b3c8d5e2f9a1b4c7d0e3f6a9b2c5d8e1f4a7b0c3d6e9f"],
        'id': 'getblock.io'
    }
)

print(response.json())

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x2a"
}

Response Parameters

Parameter
Type
Description

jsonrpc

string

JSON-RPC protocol version ("2.0")

id

string

Request identifier matching the request

result

string

Hex-encoded count of transactions in the block

Use Cases

  • Block Analytics: Count transactions in a block found by hash

  • Pagination: Size iteration over a block's transactions

  • Verification: Confirm the expected transaction count for a block

  • Explorer Headers: Show the transaction count on a block page

Error Handling

Error Code
Message
Description

-32602

Invalid params

The block number or hash is malformed or out of range

-32603

Internal error

The node failed to read the block

Web3 Integration

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