//! API related to syncing blocks.

use futures::Future;
use reth_network_p2p::BlockClient;
use tokio::sync::oneshot;

/// Provides client for downloading blocks.
#[auto_impl::auto_impl(&, Arc)]
pub trait BlockDownloaderProvider {
    /// Returns a new [`BlockClient`], used for fetching blocks from peers.
    ///
    /// The client is the entrypoint for sending block requests to the network.
    fn fetch_client(
        &self,
    ) -> impl Future<Output = Result<impl BlockClient + 'static, oneshot::error::RecvError>> + Send;
}