39 lines
1.0 KiB
Rust
39 lines
1.0 KiB
Rust
/// poll an http rpc
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use ethers::prelude::*;
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use std::{str::FromStr, time::Duration};
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#[tokio::main]
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async fn main() -> anyhow::Result<()> {
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// install global collector configured based on RUST_LOG env var.
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tracing_subscriber::fmt()
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.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
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.compact()
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.init();
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fdlimit::raise_fd_limit();
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// erigon does not support most filters
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// let url = "http://10.11.12.16:8545";
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// geth
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let url = "http://10.11.12.16:8545";
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println!("Watching blocks from {:?}", url);
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let provider = Http::from_str(url)?;
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let provider = Provider::new(provider).interval(Duration::from_secs(1));
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let mut stream = provider.watch_blocks().await?;
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while let Some(block_number) = stream.next().await {
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let block = provider.get_block(block_number).await?.unwrap();
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println!(
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"{:?} = Ts: {:?}, block number: {}",
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block.hash.unwrap(),
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block.timestamp,
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block.number.unwrap(),
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);
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}
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Ok(())
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}
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