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Open one substream for each notifications protocol (#4909)

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* Open one substream for each notifications protocol

* Fix WASM build

* Apply suggestions from code review

Co-Authored-By: Toralf Wittner <tw@dtex.org>

* Address concerns

* Use unsigned-varint to read the varint

* Use unsigned-varint

* Forgot Cargo.lock

Co-authored-by: Toralf Wittner <tw@dtex.org>
This commit is contained in:
Pierre Krieger
2020-02-21 11:06:24 +01:00
committed by GitHub
parent f0043055cc
commit 7a04055814
21 changed files with 2231 additions and 151 deletions
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substrate/client/network-gossip/src/bridge.rs
+3 -2
View File
@@ -24,7 +24,7 @@ use futures::{prelude::*, channel::mpsc};
use libp2p::PeerId;
use parking_lot::Mutex;
use sp_runtime::{traits::Block as BlockT, ConsensusEngineId};
use std::{pin::Pin, sync::Arc, task::{Context, Poll}};
use std::{borrow::Cow, pin::Pin, sync::Arc, task::{Context, Poll}};
/// Wraps around an implementation of the `Network` crate and provides gossiping capabilities on
/// top of it.
@@ -48,6 +48,7 @@ impl<B: BlockT> GossipEngine<B> {
pub fn new<N: Network<B> + Send + Clone + 'static>(
mut network: N,
engine_id: ConsensusEngineId,
protocol_name: impl Into<Cow<'static, [u8]>>,
validator: Arc<dyn Validator<B>>,
) -> Self where B: 'static {
let mut state_machine = ConsensusGossip::new();
@@ -56,7 +57,7 @@ impl<B: BlockT> GossipEngine<B> {
// might miss events.
let network_event_stream = network.event_stream();
network.register_notifications_protocol(engine_id);
network.register_notifications_protocol(engine_id, protocol_name.into());
state_machine.register_validator(&mut network, engine_id, validator);
let inner = Arc::new(Mutex::new(GossipEngineInner {
substrate/client/network-gossip/src/lib.rs
+5 -3
View File
@@ -61,7 +61,7 @@ pub use self::validator::{DiscardAll, MessageIntent, Validator, ValidatorContext
use futures::prelude::*;
use sc_network::{specialization::NetworkSpecialization, Event, ExHashT, NetworkService, PeerId, ReputationChange};
use sp_runtime::{traits::Block as BlockT, ConsensusEngineId};
use std::{pin::Pin, sync::Arc};
use std::{borrow::Cow, pin::Pin, sync::Arc};
mod bridge;
mod state_machine;
@@ -86,7 +86,8 @@ pub trait Network<B: BlockT> {
/// See the documentation of [`NetworkService:register_notifications_protocol`] for more information.
fn register_notifications_protocol(
&self,
engine_id: ConsensusEngineId
engine_id: ConsensusEngineId,
protocol_name: Cow<'static, [u8]>,
);
/// Notify everyone we're connected to that we have the given block.
@@ -116,8 +117,9 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Network<B> for Arc<Netw
fn register_notifications_protocol(
&self,
engine_id: ConsensusEngineId,
protocol_name: Cow<'static, [u8]>,
) {
NetworkService::register_notifications_protocol(self, engine_id)
NetworkService::register_notifications_protocol(self, engine_id, protocol_name)
}
fn announce(&self, block: B::Hash, associated_data: Vec<u8>) {