eth_getBlockByNumber - Mantle

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

This method returns information about a block on Mantle by block number.

Parameters

Parameter

Type

Description

blockNumber

string

Block number in hex, or "latest", "earliest", "pending"

fullTransactions

boolean

If true, returns full transaction objects; if false, returns transaction hashes

Request

curl

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getBlockByNumber",
    "params": ["0x3F6777", false],
    "id": "getblock.io"
}'

axios example

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getBlockByNumber",
    "params": ["0x3F6777", false],
    "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 example

import requests
import json

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

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getBlockByNumber",
    "params": ["0x3F6777", False],
    "id": "getblock.io"
})

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

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

rust example

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_getBlockByNumber",
            "params": ["0x3F6777", false],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

Response (JSON)

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "difficulty": "0x2",
        "extraData": "0xd98301090a846765746889676f312e31352e3133856c696e7578",
        "gasLimit": "0xe4e1c0",
        "gasUsed": "0x5208",
        "hash": "0x9b14d73f45c836bfb0e1f59453c39fe8cddab45a0f78670dc6190e5c85b65a8e",
        "logsBloom": "0x00000000...",
        "miner": "0x0000000000000000000000000000000000000000",
        "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "nonce": "0x0000000000000000",
        "number": "0x3f6777",
        "parentHash": "0xd9505c7d82fbbad090d3ab4b4ecd20bca0f3700ce0c0c5ad2563a4100f86a004",
        "receiptsRoot": "0x056b23fbba480696b65fe5a59b8f2148a1299103c4f57df839233af2cf4ca2d2",
        "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
        "size": "0x2d1",
        "stateRoot": "0x6ac1007f49aecaa29deff133703b287eb166ed12826bb685520f4b7a1aace96a",
        "timestamp": "0x643fc8a5",
        "totalDifficulty": "0x7eceef",
        "transactions": [
            "0x6dfef681e0a83a40b05d40877e53a88459e8829240a6d6d5ec6fe816e435f8d8"
        ],
        "transactionsRoot": "0x...",
        "uncles": []
    }
}

Response Parameters

Field

Type

Description

number

string

Block number (hex)

hash

string

Block hash (32 bytes)

parentHash

string

Parent block hash

timestamp

string

Unix timestamp of block creation

gasLimit

string

Maximum gas allowed in block

gasUsed

string

Total gas used by transactions

transactions

array

Array of transaction hashes or objects

miner

string

Address of block producer

Use Case

The eth_getBlockByNumber method is essential for:

Block explorer functionality
Transaction confirmation tracking
Historical data analysis
Chain synchronization verification
DeFi protocol state tracking
Event indexing by block range

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

-32602

Invalid params

Invalid block number format

Web3 Integration

ethers.js example

import { ethers } from 'ethers';

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

const block = await provider.getBlock(4155255);
console.log('Block:', block);

viem example

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

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

const block = await client.getBlock({
    blockNumber: 4155255n
});
console.log('Block:', block);

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