eth_usingBigBlocks - HyperEVM

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

This method returns whether the specified address is using big blocks. This is a HyperEVM-specific method.

This is a HyperEVM-specific method (not standard Ethereum).

Parameters

Parameter	Type	Required	Description
address	string	Yes	The address to check.

Request

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_usingBigBlocks",
    "params": ["0x742d35Cc6634C0532925a3b844Bc9e7595f5bE21"],
    "id": "getblock.io"
}'

Axios

Request

Rust

Response

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

Response Parameters

Field	Type	Description
result	boolean	true if address is using big blocks, false otherwise.

Use Case

The eth_usingBigBlocks method is essential for:

• Determining appropriate gas pricing strategy

• Checking address block mode configuration

• Fee estimation for specific addresses

• High-throughput application configuration

Error Handling

Error Code	Message	Cause
-32602	Invalid params	Invalid address format.
-32603	Internal error	Node issue.

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_usingBigBlocks", ["0x742d35Cc6634C0532925a3b844Bc9e7595f5bE21"]);
    console.log("The result:", result);
    return result;
  } catch (error) {
    console.error("The error:", error);
    throw error;
  }
}

Viem