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WIP - Upgrade Sync algorithm

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This commit is contained in:
Age Manning
2019-09-02 05:38:11 +10:00
parent 192380cb58
commit 74baeb4d08
3 changed files with 180 additions and 32 deletions
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23
beacon_node/network/src/sync/simple_sync.rs
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@@ -16,8 +16,6 @@ use types::{Attestation, BeaconBlock, Epoch, EthSpec, Hash256, Slot};
/// Otherwise we queue it.
pub(crate) const FUTURE_SLOT_TOLERANCE: u64 = 1;
/// The number of slots behind our head that we still treat a peer as a fully synced peer.
const FULL_PEER_TOLERANCE: u64 = 10;
const SHOULD_FORWARD_GOSSIP_BLOCK: bool = true;
const SHOULD_NOT_FORWARD_GOSSIP_BLOCK: bool = false;
@@ -189,18 +187,17 @@ impl<T: BeaconChainTypes> SimpleSync<T> {
.exists::<BeaconBlock<T::EthSpec>>(&remote.head_root)
.unwrap_or_else(|_| false)
{
trace!(
self.log, "Out of date or potentially sync'd peer found";
"peer" => format!("{:?}", peer_id),
"remote_head_slot" => remote.head_slot
"remote_latest_finalized_epoch" => remote.finalized_epoch,
);
// If the node's best-block is already known to us and they are close to our current
// head, treat them as a fully sync'd peer.
if self.chain.best_slot().sub(remote.head_slot).as_u64() < FULL_PEER_TOLERANCE {
self.manager.add_full_peer(peer_id);
self.process_sync();
} else {
debug!(
self.log,
"Out of sync peer connected";
"peer" => format!("{:?}", peer_id),
);
}
self.manager.add_peer(peer_id, remote);
self.process_sync();
} else {
// The remote node has an equal or great finalized epoch and we don't know it's head.
//
@@ -218,6 +215,8 @@ impl<T: BeaconChainTypes> SimpleSync<T> {
}
}
/// This function drives the `ImportManager` state machine. The outcomes it provides are
/// actioned until the `ImportManager` is idle.
fn process_sync(&mut self) {
loop {
match self.manager.poll() {