//! Example of signing a message with a signer.

use alloy::signers::{local::PrivateKeySigner, Signer};

use eyre::Result;

#[tokio::main]

async fn main() -> Result<()> {

// Set up a random signer.

let signer = PrivateKeySigner::random();

// Optionally, the wallet's chain id can be set, in order to use EIP-155

// replay protection with different chains.

let signer = signer.with_chain_id(Some(1337));

// The message to sign.

let message = b"hello";

// Sign the message asynchronously with the signer.

let signature = signer.sign_message(message).await?;

println!("Signature produced by {}: {:?}", signer.address(), signature);

println!("Signature recovered address: {}", signature.recover_address_from_msg(&message[..])?);

Ok(())

}