Update to lastest libp2p

This commit is contained in:
Age Manning 2019-05-13 17:50:11 +10:00
parent b33ce5dd10
commit 43135484ca
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GPG Key ID: 05EED64B79E06A93
4 changed files with 31 additions and 301 deletions

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@ -1,6 +1,5 @@
use clap::ArgMatches;
use eth2_libp2p::multiaddr::Protocol;
use eth2_libp2p::multiaddr::ToMultiaddr;
use eth2_libp2p::Multiaddr;
use fork_choice::ForkChoiceAlgorithm;
use http_server::HttpServerConfig;
@ -51,6 +50,7 @@ impl Default for ClientConfig {
}
impl ClientConfig {
<<<<<<< HEAD
/// Returns the path to which the client may initialize an on-disk database.
pub fn db_path(&self) -> Option<PathBuf> {
self.data_dir()

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@ -3,7 +3,6 @@ use crate::rpc::{RPCEvent, RPCMessage, Rpc};
use crate::NetworkConfig;
use crate::{Topic, TopicHash};
use futures::prelude::*;
use libp2p::Multiaddr;
use libp2p::{
core::{
swarm::{NetworkBehaviourAction, NetworkBehaviourEventProcess},
@ -12,23 +11,24 @@ use libp2p::{
gossipsub::{Gossipsub, GossipsubEvent},
identify::{protocol::IdentifyInfo, Identify, IdentifyEvent},
kad::KademliaOut,
ping::{Ping, PingEvent},
ping::{Ping, PingConfig, PingEvent},
tokio_io::{AsyncRead, AsyncWrite},
NetworkBehaviour, PeerId,
};
use slog::{debug, o, trace, warn};
use ssz::{ssz_encode, Decode, DecodeError, Encode};
use std::collections::HashMap;
use std::num::NonZeroU32;
use std::time::{Duration, Instant};
use tokio_timer::Delay;
use std::collections::HashMap;
use types::{Attestation, BeaconBlock};
/// Builds the network behaviour that manages the core protocols of eth2.
/// This core behaviour is managed by `Behaviour` which adds peer management to all core
/// behaviours.
#[derive(NetworkBehaviour)]
#[behaviour(out_event = "CoreBehaviourEvent", poll_method = "poll")]
pub struct CoreCoreBehaviourTSubstream: AsyncRead + AsyncWrite> {
#[behaviour(out_event = "BehaviourEvent", poll_method = "poll")]
pub struct Behaviour<TSubstream: AsyncRead + AsyncWrite> {
/// The routing pub-sub mechanism for eth2.
gossipsub: Gossipsub<TSubstream>,
/// The serenity RPC specified in the wire-0 protocol.
@ -41,7 +41,7 @@ pub struct CoreCoreBehaviourTSubstream: AsyncRead + AsyncWrite> {
discovery: Discovery<TSubstream>,
#[behaviour(ignore)]
/// The events generated by this behaviour to be consumed in the swarm poll.
events: Vec<CoreBehaviourEvent>,
events: Vec<BehaviourEvent>,
/// Logger for behaviour actions.
#[behaviour(ignore)]
log: slog::Logger,
@ -49,7 +49,7 @@ pub struct CoreCoreBehaviourTSubstream: AsyncRead + AsyncWrite> {
// Implement the NetworkBehaviourEventProcess trait so that we can derive NetworkBehaviour for Behaviour
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<GossipsubEvent>
for CoreBehaviourTSubstream>
for Behaviour<TSubstream>
{
fn inject_event(&mut self, event: GossipsubEvent) {
match event {
@ -82,7 +82,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<GossipsubE
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<RPCMessage>
for CoreBehaviourTSubstream>
for Behaviour<TSubstream>
{
fn inject_event(&mut self, event: RPCMessage) {
match event {
@ -97,7 +97,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<RPCMessage
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<IdentifyEvent>
for CoreBehaviourTSubstream>
for Behaviour<TSubstream>
{
fn inject_event(&mut self, event: IdentifyEvent) {
match event {
@ -127,7 +127,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<IdentifyEv
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<PingEvent>
for CoreBehaviourTSubstream>
for Behaviour<TSubstream>
{
fn inject_event(&mut self, _event: PingEvent) {
// not interested in ping responses at the moment.
@ -136,19 +136,28 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<PingEvent>
// implement the discovery behaviour (currently kademlia)
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<KademliaOut>
for CoreBehaviourTSubstream>
for Behaviour<TSubstream>
{
fn inject_event(&mut self, _out: KademliaOut) {
// not interested in kademlia results at the moment
}
}
impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviourTSubstream> {
impl<TSubstream: AsyncRead + AsyncWrite> Behaviour<TSubstream> {
pub fn new(local_public_key: PublicKey, net_conf: &NetworkConfig, log: &slog::Logger) -> Self {
let local_peer_id = local_public_key.clone().into_peer_id();
let identify_config = net_conf.identify_config.clone();
let behaviour_log = log.new(o!());
// identify configuration
let identify_config = net_conf.identify_config.clone();
// ping configuration
let ping_config = PingConfig::new()
.with_timeout(Duration::from_secs(30))
.with_interval(Duration::from_secs(20))
.with_max_failures(NonZeroU32::new(2).expect("2 != 0"))
.with_keep_alive(false);
Behaviour {
serenity_rpc: Rpc::new(log),
gossipsub: Gossipsub::new(local_peer_id.clone(), net_conf.gs_config.clone()),
@ -158,7 +167,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviourTSubstream> {
identify_config.user_agent,
local_public_key,
),
ping: Ping::new(),
ping: Ping::new(ping_config),
events: Vec::new(),
log: behaviour_log,
}
@ -177,7 +186,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviourTSubstream> {
}
/// Implements the combined behaviour for the libp2p service.
impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviourTSubstream> {
impl<TSubstream: AsyncRead + AsyncWrite> Behaviour<TSubstream> {
/* Pubsub behaviour functions */
/// Subscribes to a gossipsub topic.
@ -199,11 +208,10 @@ impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviourTSubstream> {
pub fn send_rpc(&mut self, peer_id: PeerId, rpc_event: RPCEvent) {
self.serenity_rpc.send_rpc(peer_id, rpc_event);
}
}
/// The types of events than can be obtained from polling the behaviour.
pub enum CoreBehaviourEvent {
pub enum BehaviourEvent {
RPC(PeerId, RPCEvent),
PeerDialed(PeerId),
Identified(PeerId, Box<IdentifyInfo>),

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@ -1,279 +0,0 @@
use crate::discovery::Discovery;
use crate::rpc::{RPCEvent, RPCMessage, Rpc};
use crate::NetworkConfig;
use crate::{Topic, TopicHash};
use futures::prelude::*;
use libp2p::Multiaddr;
use libp2p::{
core::{
swarm::{NetworkBehaviourAction, NetworkBehaviourEventProcess},
PublicKey,
},
gossipsub::{Gossipsub, GossipsubEvent},
identify::{protocol::IdentifyInfo, Identify, IdentifyEvent},
kad::KademliaOut,
ping::{Ping, PingEvent},
tokio_io::{AsyncRead, AsyncWrite},
NetworkBehaviour, PeerId,
};
use slog::{debug, o, trace, warn};
use ssz::{ssz_encode, Decodable, DecodeError, Encodable, SszStream};
use std::collections::HashMap;
use types::{Attestation, BeaconBlock};
/// Builds the network behaviour that manages the core protocols of eth2.
/// This core behaviour is managed by `Behaviour` which adds peer management to all core
/// behaviours.
#[derive(NetworkBehaviour)]
#[behaviour(out_event = "CoreBehaviourEvent", poll_method = "poll")]
pub struct CoreBehaviour<TSubstream: AsyncRead + AsyncWrite> {
/// The routing pub-sub mechanism for eth2.
gossipsub: Gossipsub<TSubstream>,
/// The serenity RPC specified in the wire-0 protocol.
serenity_rpc: Rpc<TSubstream>,
/// Allows discovery of IP addresses for peers on the network.
identify: Identify<TSubstream>,
/// Keep regular connection to peers and disconnect if absent.
ping: Ping<TSubstream>,
/// Kademlia for peer discovery.
discovery: Discovery<TSubstream>,
#[behaviour(ignore)]
/// The events generated by this behaviour to be consumed by the global behaviour.
events: Vec<CoreBehaviourEvent>,
/// Logger for behaviour actions.
#[behaviour(ignore)]
log: slog::Logger,
}
impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviour<TSubstream> {
pub fn new(local_public_key: PublicKey, net_conf: &NetworkConfig, log: &slog::Logger) -> Self {
let local_peer_id = local_public_key.clone().into_peer_id();
let identify_config = net_conf.identify_config.clone();
let behaviour_log = log.new(o!());
CoreBehaviour {
serenity_rpc: Rpc::new(log),
gossipsub: Gossipsub::new(local_peer_id.clone(), net_conf.gs_config.clone()),
discovery: Discovery::new(local_peer_id, log),
identify: Identify::new(
identify_config.version,
identify_config.user_agent,
local_public_key,
),
ping: Ping::new(),
events: Vec::new(),
log: behaviour_log,
}
}
/// Consumes the events list when polled.
fn poll<TBehaviourIn>(
&mut self,
) -> Async<NetworkBehaviourAction<TBehaviourIn, CoreBehaviourEvent>> {
if !self.events.is_empty() {
return Async::Ready(NetworkBehaviourAction::GenerateEvent(self.events.remove(0)));
}
Async::NotReady
}
}
// Implement the NetworkBehaviourEventProcess trait so that we can derive NetworkBehaviour for CoreBehaviour
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<GossipsubEvent>
for CoreBehaviour<TSubstream>
{
fn inject_event(&mut self, event: GossipsubEvent) {
match event {
GossipsubEvent::Message(gs_msg) => {
trace!(self.log, "Received GossipEvent"; "msg" => format!("{:?}", gs_msg));
let pubsub_message = match PubsubMessage::ssz_decode(&gs_msg.data, 0) {
//TODO: Punish peer on error
Err(e) => {
warn!(
self.log,
"Received undecodable message from Peer {:?} error", gs_msg.source;
"error" => format!("{:?}", e)
);
return;
}
Ok((msg, _index)) => msg,
};
self.events.push(BehaviourEvent::GossipMessage {
source: gs_msg.source,
topics: gs_msg.topics,
message: pubsub_message,
});
}
GossipsubEvent::Subscribed {
peer_id: _,
topic: _,
}
| GossipsubEvent::Unsubscribed {
peer_id: _,
topic: _,
} => {}
}
}
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<RPCMessage>
for CoreBehaviour<TSubstream>
{
fn inject_event(&mut self, event: RPCMessage) {
match event {
RPCMessage::PeerDialed(peer_id) => {
self.events.push(BehaviourEvent::PeerDialed(peer_id))
}
RPCMessage::RPC(peer_id, rpc_event) => {
self.events.push(BehaviourEvent::RPC(peer_id, rpc_event))
}
}
}
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<IdentifyEvent>
for CoreBehaviour<TSubstream>
{
fn inject_event(&mut self, event: IdentifyEvent) {
match event {
IdentifyEvent::Identified {
peer_id, mut info, ..
} => {
if info.listen_addrs.len() > 20 {
debug!(
self.log,
"More than 20 peers have been identified, truncating"
);
info.listen_addrs.truncate(20);
}
trace!(self.log, "Found addresses"; "Peer Id" => format!("{:?}", peer_id), "Addresses" => format!("{:?}", info.listen_addrs));
// inject the found addresses into our discovery behaviour
for address in &info.listen_addrs {
self.discovery
.add_connected_address(&peer_id, address.clone());
}
self.events.push(BehaviourEvent::Identified(peer_id, info));
}
IdentifyEvent::Error { .. } => {}
IdentifyEvent::SendBack { .. } => {}
}
}
}
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<PingEvent>
for CoreBehaviour<TSubstream>
{
fn inject_event(&mut self, _event: PingEvent) {
// not interested in ping responses at the moment.
}
}
// implement the discovery behaviour (currently kademlia)
impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<KademliaOut>
for CoreBehaviour<TSubstream>
{
fn inject_event(&mut self, _out: KademliaOut) {
// not interested in kademlia results at the moment
}
}
/// Implements the combined behaviour for the libp2p service.
impl<TSubstream: AsyncRead + AsyncWrite> CoreBehaviour<TSubstream> {
/* Pubsub behaviour functions */
/// Subscribes to a gossipsub topic.
pub fn subscribe(&mut self, topic: Topic) -> bool {
self.gossipsub.subscribe(topic)
}
/// Publishes a message on the pubsub (gossipsub) behaviour.
pub fn publish(&mut self, topics: Vec<Topic>, message: PubsubMessage) {
let message_bytes = ssz_encode(&message);
for topic in topics {
self.gossipsub.publish(topic, message_bytes.clone());
}
}
/* Eth2 RPC behaviour functions */
/// Sends an RPC Request/Response via the RPC protocol.
pub fn send_rpc(&mut self, peer_id: PeerId, rpc_event: RPCEvent) {
self.serenity_rpc.send_rpc(peer_id, rpc_event);
}
}
/// The types of events than can be obtained from polling the behaviour.
pub enum CoreBehaviourEvent {
RPC(PeerId, RPCEvent),
PeerDialed(PeerId),
Identified(PeerId, IdentifyInfo),
// TODO: This is a stub at the moment
GossipMessage {
source: PeerId,
topics: Vec<TopicHash>,
message: PubsubMessage,
},
}
/// Messages that are passed to and from the pubsub (Gossipsub) behaviour.
#[derive(Debug, Clone, PartialEq)]
pub enum PubsubMessage {
/// Gossipsub message providing notification of a new block.
Block(BeaconBlock),
/// Gossipsub message providing notification of a new attestation.
Attestation(Attestation),
}
//TODO: Correctly encode/decode enums. Prefixing with integer for now.
impl Encodable for PubsubMessage {
fn ssz_append(&self, s: &mut SszStream) {
match self {
PubsubMessage::Block(block_gossip) => {
0u32.ssz_append(s);
block_gossip.ssz_append(s);
}
PubsubMessage::Attestation(attestation_gossip) => {
1u32.ssz_append(s);
attestation_gossip.ssz_append(s);
}
}
}
}
impl Decodable for PubsubMessage {
fn ssz_decode(bytes: &[u8], index: usize) -> Result<(Self, usize), DecodeError> {
let (id, index) = u32::ssz_decode(bytes, index)?;
match id {
0 => {
let (block, index) = BeaconBlock::ssz_decode(bytes, index)?;
Ok((PubsubMessage::Block(block), index))
}
1 => {
let (attestation, index) = Attestation::ssz_decode(bytes, index)?;
Ok((PubsubMessage::Attestation(attestation), index))
}
_ => Err(DecodeError::Invalid),
}
}
}
#[cfg(test)]
mod test {
use super::*;
use types::*;
#[test]
fn ssz_encoding() {
let original = PubsubMessage::Block(BeaconBlock::empty(&ChainSpec::foundation()));
let encoded = ssz_encode(&original);
println!("{:?}", encoded);
let (decoded, _i) = PubsubMessage::ssz_decode(&encoded, 0).unwrap();
assert_eq!(original, decoded);
}
}

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@ -63,11 +63,12 @@ impl Service {
.map_err(|e| format!("Invalid listen multiaddr: {}", e))?
{
match Swarm::listen_on(&mut swarm, address.clone()) {
Ok(mut listen_addr) => {
listen_addr.append(Protocol::P2p(local_peer_id.clone().into()));
info!(log, "Listening on: {}", listen_addr);
Ok(_) => {
let mut log_address = address.clone();
log_address.push(Protocol::P2p(local_peer_id.clone().into()));
info!(log, "Listening on: {}", log_address);
}
Err(err) => warn!(log, "Cannot listen on: {} : {:?}", address, err),
Err(err) => warn!(log, "Cannot listen on: {} because: {:?}", address, err),
};
}
// connect to boot nodes - these are currently stored as multiaddrs