25 lines
786 B
Rust
25 lines
786 B
Rust
//! The Ws transport allows you to send JSON-RPC requests and receive responses over
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//! [WebSocket](https://en.wikipedia.org/wiki/WebSocket).
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//!
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//! This allows to interact with the network in real-time without the need for HTTP
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//! polling.
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use ethers::prelude::*;
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const WSS_URL: &str = "wss://eth.llamarpc.com";
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#[tokio::main]
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async fn main() -> eyre::Result<()> {
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// A Ws provider can be created from a ws(s) URI.
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// In case of wss you must add the "rustls" or "openssl" feature
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// to the ethers library dependency in `Cargo.toml`.
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let provider = Provider::<Ws>::connect(WSS_URL).await?;
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let mut stream = provider.subscribe_blocks().await?.take(1);
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while let Some(block) = stream.next().await {
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println!("{:?}", block.hash);
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}
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Ok(())
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}
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