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#560 take two, now that #560 has been reverted (#561)

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* Clear upons upon round, not block

* Cache the proposal for a round

* Rebase onto develop, which reverted this PR, and re-apply this PR

* Set participation upon participation instead of constantly recalculating

* Cache message instances

* Add missing txn commit

Identified by @akildemir.

* Correct clippy lint identified upon rebase

* Fix tendermint chain sync (#581)

* fix p2p Reqres protocol

* stabilize tributary chain sync

* fix pr comments

---------

Co-authored-by: akildemir <34187742+akildemir@users.noreply.github.com>
This commit is contained in:
Luke Parker
2024-07-16 16:42:15 -07:00
committed by GitHub
parent c0200df75a
commit e772b8a5f7
11 changed files with 662 additions and 599 deletions
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32
coordinator/tributary/src/tendermint/mod.rs
View File

@@ -1,8 +1,5 @@
use core::ops::Deref;
use std::{
sync::Arc,
collections::{VecDeque, HashMap},
};
use std::{sync::Arc, collections::HashMap};
use async_trait::async_trait;
@@ -270,8 +267,6 @@ pub struct TendermintNetwork<D: Db, T: TransactionTrait, P: P2p> {
pub(crate) validators: Arc<Validators>,
pub(crate) blockchain: Arc<RwLock<Blockchain<D, T>>>,
pub(crate) to_rebroadcast: Arc<RwLock<VecDeque<Vec<u8>>>>,
pub(crate) p2p: P,
}
@@ -308,26 +303,6 @@ impl<D: Db, T: TransactionTrait, P: P2p> Network for TendermintNetwork<D, T, P>
async fn broadcast(&mut self, msg: SignedMessageFor<Self>) {
let mut to_broadcast = vec![TENDERMINT_MESSAGE];
to_broadcast.extend(msg.encode());
// Since we're broadcasting a Tendermint message, set it to be re-broadcasted every second
// until the block it's trying to build is complete
// If the P2P layer drops a message before all nodes obtained access, or a node had an
// intermittent failure, this will ensure reconcilliation
// This is atrocious if there's no content-based deduplication protocol for messages actively
// being gossiped
// LibP2p, as used by Serai, is configured to content-based deduplicate
{
let mut to_rebroadcast_lock = self.to_rebroadcast.write().await;
to_rebroadcast_lock.push_back(to_broadcast.clone());
// We should have, ideally, 3 * validators messages within a round
// Therefore, this should keep the most recent 2-rounds
// TODO: This isn't perfect. Each participant should just rebroadcast their latest round of
// messages
while to_rebroadcast_lock.len() > (6 * self.validators.weights.len()) {
to_rebroadcast_lock.pop_front();
}
}
self.p2p.broadcast(self.genesis, to_broadcast).await
}
@@ -366,7 +341,7 @@ impl<D: Db, T: TransactionTrait, P: P2p> Network for TendermintNetwork<D, T, P>
}
}
async fn validate(&mut self, block: &Self::Block) -> Result<(), TendermintBlockError> {
async fn validate(&self, block: &Self::Block) -> Result<(), TendermintBlockError> {
let block =
Block::read::<&[u8]>(&mut block.0.as_ref()).map_err(|_| TendermintBlockError::Fatal)?;
self
@@ -428,9 +403,6 @@ impl<D: Db, T: TransactionTrait, P: P2p> Network for TendermintNetwork<D, T, P>
}
}
// Since we've added a valid block, clear to_rebroadcast
*self.to_rebroadcast.write().await = VecDeque::new();
Some(TendermintBlock(
self.blockchain.write().await.build_block::<Self>(&self.signature_scheme()).serialize(),
))