30 lines
732 B
Rust
30 lines
732 B
Rust
|
/// subscribe to a websocket rpc
|
||
|
use ethers::prelude::*;
|
||
|
use std::time::Duration;
|
||
|
|
||
|
#[tokio::main]
|
||
|
async fn main() -> anyhow::Result<()> {
|
||
|
// erigon
|
||
|
let url = "ws://10.11.12.16:8545";
|
||
|
// geth
|
||
|
// let url = "ws://10.11.12.16:8946";
|
||
|
|
||
|
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?.take(3);
|
||
|
while let Some(block) = stream.next().await {
|
||
|
println!(
|
||
|
"{:?} = Ts: {:?}, block number: {}",
|
||
|
block.hash.unwrap(),
|
||
|
block.timestamp,
|
||
|
block.number.unwrap(),
|
||
|
);
|
||
|
}
|
||
|
|
||
|
Ok(())
|
||
|
}
|