web3-proxy/web3_proxy_cli/examples/subscribe_blocks.rs

33 lines
826 B
Rust

/// subscribe to a websocket rpc
use ethers::prelude::*;
use std::time::Duration;
#[tokio::main]
async fn main() -> anyhow::Result<()> {
// install global collector configured based on RUST_LOG env var.
fdlimit::raise_fd_limit();
// erigon
let url = "ws://10.11.12.16:8548";
// geth
// let url = "ws://10.11.12.16:8546";
println!("Subscribing to blocks from {}", url);
let provider = Ws::connect(url).await?;
let provider = Provider::new(provider).interval(Duration::from_secs(1));
let mut stream = provider.subscribe_blocks().await?;
while let Some(block) = stream.next().await {
println!(
"{:?} = Ts: {:?}, block number: {}",
block.hash.unwrap(),
block.timestamp,
block.number.unwrap(),
);
}
Ok(())
}