debug

bin/reth/src/block_ingest.rs

@@ -159,15 +159,15 @@ impl BlockIngest {
             return Some(block);
         }
 
-        if let Some(hlfs) = &self.hlfs {
+        // if let Some(hlfs) = &self.hlfs {
-            //info!("!! HEIGHT [{height}] :: HEAD [{head}]");
+        //     //info!("!! HEIGHT [{height}] :: HEAD [{head}]");
-            if hlfs.try_fetch_one(height).await.ok().flatten().is_some() {
+        //     if hlfs.try_fetch_one(height).await.ok().flatten().is_some() {
-                if let Some(block) = self.try_collect_local_block(height).await {
+        //         if let Some(block) = self.try_collect_local_block(height).await {
-                    info!("Returning HLFS-fetched block @[{height}]");
+        //             info!("Returning HLFS-fetched block @[{height}]");
-                    return Some(block);
+        //             return Some(block);
-                }
+        //         }
-            }
+        //     }
-        }
+        // }
 
         self.try_collect_s3_block(height)
     }

bin/reth/src/share_blocks.rs

@@ -1,14 +1,16 @@
 use clap::Args;
-use reth_hlfs::{Backfiller, Client, Server, OP_REQ_MAX_BLOCK, OP_RES_MAX_BLOCK, PeerRecord};
+use reth_hlfs::{Backfiller, Client, PeerRecord, Server, OP_REQ_MAX_BLOCK, OP_RES_MAX_BLOCK};
 use reth_network_api::{events::NetworkEvent, FullNetwork};
 use std::{
     collections::HashSet,
     net::{IpAddr, SocketAddr},
     path::PathBuf,
     sync::Arc,
-    time::Duration,
 };
-use tokio::{task::JoinHandle, time::timeout};
+use tokio::{
+    task::JoinHandle,
+    time::{sleep, timeout, Duration},
+};
 use tracing::{debug, info, warn};
 
 // use futures_util::StreamExt;
@@ -27,7 +29,6 @@ pub(crate) struct ShareBlocksArgs {
 }
 
 pub(crate) struct ShareBlocks {
-    pub(crate) _backfiller: Backfiller,
     _server: JoinHandle<()>,
     _autodetect: JoinHandle<()>,
 }
@@ -53,37 +54,54 @@ impl ShareBlocks {
             }
         });
 
-        let client = Client::new(&args.archive_dir, Vec::new()).with_timeout(Duration::from_secs(5));
+        let _autodetect = spawn_autodetect(network, host, args.share_blocks_port, args.archive_dir.clone());
-        let bf = Backfiller::new(client, &args.archive_dir);
-
-        let _autodetect = spawn_autodetect(network, host, args.share_blocks_port, bf.clone());
 
         info!(%bind, dir=%args.archive_dir.display(), "hlfs: enabled (reth peers)");
-        Ok(Self { _backfiller: bf, _server, _autodetect })
+        Ok(Self { _server, _autodetect })
     }
 
-    #[allow(dead_code)]
+    // #[allow(dead_code)]
-    pub(crate) async fn try_fetch_one(&self, block: u64) -> eyre::Result<Option<usize>> {
+    // pub(crate) async fn try_fetch_one(&self, block: u64) -> eyre::Result<Option<usize>> {
-        let rr = block as usize;
+    //     self._backfiller.fetch_if_missing(block).await.map_err(|e| eyre::eyre!(e))
-        self._backfiller.fetch_if_missing(block, rr).await.map_err(|e| eyre::eyre!(e))
+    // }
-        // <- fix: HlfsError -> eyre::Report
-    }
 }
 
 fn spawn_autodetect<Net>(
     network: Net,
     self_ip: IpAddr,
     hlfs_port: u16,
-    backfiller: Backfiller,
+    archive_dir: PathBuf,
 ) -> JoinHandle<()>
 where
     Net: FullNetwork + Clone + 'static,
 {
-    let good: Arc<tokio::sync::Mutex<HashSet<PeerRecord>>> = Arc::new(tokio::sync::Mutex::new(HashSet::new()));
+    let client = Client::new(&archive_dir, Vec::new()).with_timeout(Duration::from_secs(5));
+    let backfiller = Arc::new(tokio::sync::Mutex::new(Backfiller::new(client, &archive_dir)));
+    let good: Arc<tokio::sync::Mutex<HashSet<PeerRecord>>> =
+        Arc::new(tokio::sync::Mutex::new(HashSet::new()));
 
-    tokio::spawn(async move {
+    tokio::spawn({
+        let backfiller = backfiller.clone();
+        async move {
+            loop {
+                let mut bf = backfiller.lock().await;
+                warn!("hlfs: backfiller started");
+                if bf.client.max_block < bf.max_block_seen {
+                    let block = bf.client.max_block + 1;
+                    let _ = bf.fetch_if_missing(block).await;
+                }
+
+                sleep(Duration::from_secs(1)).await;
+            }
+        }
+    });
+
+    tokio::spawn({
+        let backfiller = backfiller.clone();
+        async move {
             let mut events = network.event_listener();
             loop {
+                let mut bf = backfiller.lock().await;
                 match events.next().await {
                     Some(NetworkEvent::ActivePeerSession { info, .. }) => {
                         let ip = info.remote_addr.ip();
@@ -101,7 +119,7 @@ where
                             let mut g = good.lock().await;
                             if g.insert(PeerRecord { addr, max_block }) {
                                 let v: Vec<_> = g.iter().copied().collect();
-                            backfiller.set_peers(v.clone());
+                                bf.set_peers(v.clone());
                                 info!(%addr, %max_block, total=v.len(), "hlfs: peer added");
                             }
                         } else {
@@ -115,6 +133,7 @@ where
                     }
                 }
             }
+        }
     })
 }
 

crates/net/hlfs/src/lib.rs

@@ -83,9 +83,9 @@ impl Hash for PeerRecord {
 #[derive(Clone)]
 pub struct Client {
     root: PathBuf,
-    peers: Arc<Mutex<Vec<PeerRecord>>>,
+    pub peers: Arc<Mutex<Vec<PeerRecord>>>,
     timeout: Duration,
-    max_block: u64,
+    pub max_block: u64,
 }
 impl Client {
     pub fn new(root: impl Into<PathBuf>, peers: Vec<PeerRecord>) -> Self {
@@ -310,21 +310,28 @@ async fn handle_conn(
 /// Backfiller: ask client per missing block; rotate peers every block.
 #[derive(Clone)]
 pub struct Backfiller {
-    client: Client,
+    pub client: Client,
     root: PathBuf,
+    pub max_block_seen: u64,
 }
 impl Backfiller {
     pub fn new(client: Client, root: impl Into<PathBuf>) -> Self {
-        Self { client, root: root.into() }
+        Self { client, root: root.into(), max_block_seen: 0 }
     }
-    pub fn set_peers(&self, peers: Vec<PeerRecord>) {
+    pub fn set_peers(&mut self, peers: Vec<PeerRecord>) {
         self.client.update_peers(peers);
+        let _peers = self.client.peers.lock().clone();
+        for p in _peers {
+            if p.max_block > self.max_block_seen {
+                self.max_block_seen = p.max_block
+            }
+        }
     }
     pub async fn fetch_if_missing(
-        &self,
+        &mut self,
         number: u64,
-        rr_index: usize,
     ) -> Result<Option<usize>, HlfsError> {
+        let rr_index = number as usize;
         let n = number.saturating_sub(1); // 0 -> 0, others -> number-1
         let f = (n / 1_000_000) * 1_000_000;
         let s = (n / 1_000) * 1_000;