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Correct issue with network message passing (#1439)

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## Issue Addressed

Sync was breaking occasionally. The root cause appears to be identify crashing as events we being sent to the protocol after nodes were banned. Have not been able to reproduce sync issues since this update. 

## Proposed Changes

Only send messages to sub-behaviour protocols if the peer manager thinks the peer is connected. All other messages are dropped.
This commit is contained in:
Age Manning
2020-08-03 09:35:53 +00:00
parent 142e033c34
commit f634f073a8
5 changed files with 102 additions and 111 deletions
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6
beacon_node/eth2_libp2p/src/rpc/mod.rs
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@@ -13,7 +13,7 @@ use libp2p::swarm::{
};
use libp2p::{Multiaddr, PeerId};
use rate_limiter::{RPCRateLimiter as RateLimiter, RPCRateLimiterBuilder, RateLimitedErr};
use slog::{crit, debug, o, warn};
use slog::{crit, debug, o};
use std::marker::PhantomData;
use std::task::{Context, Poll};
use std::time::Duration;
@@ -106,7 +106,7 @@ impl<TSpec: EthSpec> RPC<TSpec> {
let limiter = RPCRateLimiterBuilder::new()
.n_every(Protocol::MetaData, 2, Duration::from_secs(5))
.one_every(Protocol::Ping, Duration::from_secs(5))
.n_every(Protocol::Status, 3, Duration::from_secs(15))
.n_every(Protocol::Status, 5, Duration::from_secs(15))
.one_every(Protocol::Goodbye, Duration::from_secs(10))
.n_every(
Protocol::BlocksByRange,
@@ -235,7 +235,7 @@ where
"protocol" => format!("{}", req.protocol()));
}
Err(RateLimitedErr::TooSoon(wait_time)) => {
warn!(self.log, "Request exceeds the rate limit";
debug!(self.log, "Request exceeds the rate limit";
"request" => req.to_string(), "peer_id" => peer_id.to_string(), "wait_time_ms" => wait_time.as_millis());
// send an error code to the peer.
// the handler upon receiving the error code will send it back to the behaviour