eth_blockNumber

Returns the number of the most recent block.

Parameters

none

Returns

QUANTITY - integer of the current block number the client is on.

Request

web3.js

 const Web3 = require("web3");

async function main() {
    const Web3 = require('web3')
    const rpcURL = '1DLT-IP-ADDRESS' // Your RPC URL goes here
    const web3 = new Web3(rpcURL)

    // Query the blockchain
    const blockNumber = await web3.eth.getBlockNumber();

    // Print the output to console
    console.log(blockNumber);
}

main();

ethers.js

const { ethers } = require("ethers");
async function main() {
 
    // Initialize an ethers instance
    const provider = new ethers.providers.JsonRpcProvider("1DLT-IP-ADDRESS");

    // Query the blockchain
    const blockNumber = await provider.getBlockNumber();

    // Print the output to console
    console.log(blockNumber);
}
main()

Curl

curl 1DLT-IP-ADDRESS \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":0}'

web3.rs

 #[tokio::main]
async fn main() -> web3::Result {

    let transport = web3::transports::Http::new("1DLT-IP-ADDRESS")?;
    let web3 = web3::Web3::new(transport);

    let block = web3.eth().block_number().await?;
    println!("Block number: {}", block);

    Ok(())

}

Result

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": "0x14"
}