reth_downloaders/bodies/
noop.rs

1use alloy_primitives::BlockNumber;
2use futures::Stream;
3use reth_network_p2p::{
4    bodies::{downloader::BodyDownloader, response::BlockResponse},
5    error::{DownloadError, DownloadResult},
6};
7use std::{fmt::Debug, ops::RangeInclusive};
8
9/// A [`BodyDownloader`] implementation that does nothing.
10#[derive(Debug, Default)]
11#[non_exhaustive]
12pub struct NoopBodiesDownloader<H, B> {
13    _header: std::marker::PhantomData<H>,
14    _body: std::marker::PhantomData<B>,
15}
16
17impl<H: Debug + Send + Sync + Unpin + 'static, B: Debug + Send + Sync + Unpin + 'static>
18    BodyDownloader for NoopBodiesDownloader<H, B>
19{
20    type Body = B;
21    type Header = H;
22
23    fn set_download_range(&mut self, _: RangeInclusive<BlockNumber>) -> DownloadResult<()> {
24        Ok(())
25    }
26}
27
28impl<H, B> Stream for NoopBodiesDownloader<H, B> {
29    type Item = Result<Vec<BlockResponse<H, B>>, DownloadError>;
30
31    fn poll_next(
32        self: std::pin::Pin<&mut Self>,
33        _: &mut std::task::Context<'_>,
34    ) -> std::task::Poll<Option<Self::Item>> {
35        panic!("NoopBodiesDownloader shouldn't be polled.")
36    }
37}
reth_downloaders/bodies/noop.rs

reth_downloaders/bodies/
noop.rs
