//! Instead of actually servicing sockets ourselves we require that you implement the
//! SocketDescriptor interface and use that to receive actions which you should perform on the
//! socket, and call into PeerManager with bytes read from the socket. The PeerManager will then
-//! call into the provided message handlers (probably a ChannelManager and Router) with messages
+//! call into the provided message handlers (probably a ChannelManager and NetGraphmsgHandler) with messages
//! they should handle, and encoding/sending response messages.
-use secp256k1::key::{SecretKey,PublicKey};
+use bitcoin::secp256k1::key::{SecretKey,PublicKey};
use ln::features::InitFeatures;
use ln::msgs;
use ln::msgs::ChannelMessageHandler;
use ln::channelmanager::{SimpleArcChannelManager, SimpleRefChannelManager};
-use util::ser::VecWriter;
+use util::ser::{VecWriter, Writeable};
use ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
use ln::wire;
use ln::wire::Encode;
use std::{cmp,error,hash,fmt};
use std::ops::Deref;
-use bitcoin_hashes::sha256::Hash as Sha256;
-use bitcoin_hashes::sha256::HashEngine as Sha256Engine;
-use bitcoin_hashes::{HashEngine, Hash};
+use bitcoin::hashes::sha256::Hash as Sha256;
+use bitcoin::hashes::sha256::HashEngine as Sha256Engine;
+use bitcoin::hashes::{HashEngine, Hash};
/// Provides references to trait impls which handle different types of messages.
pub struct MessageHandler<CM: Deref> where CM::Target: msgs::ChannelMessageHandler {
/// ChannelManager object.
pub chan_handler: CM,
/// A message handler which handles messages updating our knowledge of the network channel
- /// graph. Usually this is just a Router object.
+ /// graph. Usually this is just a NetGraphMsgHandlerMonitor object.
pub route_handler: Arc<msgs::RoutingMessageHandler>,
}
}
}
+enum AnnouncementMsg {
+ ChanUpdate(msgs::ChannelUpdate),
+ ChanAnnounce(msgs::ChannelAnnouncement),
+ NodeAnnounce(msgs::NodeAnnouncement),
+}
+
struct PeerHolder<Descriptor: SocketDescriptor> {
peers: HashMap<Descriptor, Peer>,
/// Added to by do_read_event for cases where we pushed a message onto the send buffer but
peers_needing_send: HashSet<Descriptor>,
/// Only add to this set when noise completes:
node_id_to_descriptor: HashMap<PublicKey, Descriptor>,
+ pending_broadcasts: Vec<(PublicKey, AnnouncementMsg)>,
}
#[cfg(not(any(target_pointer_width = "32", target_pointer_width = "64")))]
/// lifetimes). Other times you can afford a reference, which is more efficient, in which case
/// SimpleRefPeerManager is the more appropriate type. Defining these type aliases prevents
/// issues such as overly long function definitions.
-pub type SimpleArcPeerManager<SD, M, T, F> = Arc<PeerManager<SD, SimpleArcChannelManager<M, T, F>>>;
+pub type SimpleArcPeerManager<SD, M, T, F, L> = Arc<PeerManager<SD, SimpleArcChannelManager<M, T, F, L>, Arc<L>>>;
/// SimpleRefPeerManager is a type alias for a PeerManager reference, and is the reference
/// counterpart to the SimpleArcPeerManager type alias. Use this type by default when you don't
/// usage of lightning-net-tokio (since tokio::spawn requires parameters with static lifetimes).
/// But if this is not necessary, using a reference is more efficient. Defining these type aliases
/// helps with issues such as long function definitions.
-pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, SD, M, T, F> = PeerManager<SD, SimpleRefChannelManager<'a, 'b, 'c, 'd, M, T, F>>;
+pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, 'e, SD, M, T, F, L> = PeerManager<SD, SimpleRefChannelManager<'a, 'b, 'c, 'd, 'e, M, T, F, L>, &'e L>;
/// A PeerManager manages a set of peers, described by their SocketDescriptor and marshalls socket
/// events into messages which it passes on to its MessageHandlers.
/// essentially you should default to using a SimpleRefPeerManager, and use a
/// SimpleArcPeerManager when you require a PeerManager with a static lifetime, such as when
/// you're using lightning-net-tokio.
-pub struct PeerManager<Descriptor: SocketDescriptor, CM: Deref> where CM::Target: msgs::ChannelMessageHandler {
+pub struct PeerManager<Descriptor: SocketDescriptor, CM: Deref, L: Deref> where CM::Target: msgs::ChannelMessageHandler, L::Target: Logger {
message_handler: MessageHandler<CM>,
peers: Mutex<PeerHolder<Descriptor>>,
our_node_secret: SecretKey,
peer_counter_low: AtomicUsize,
peer_counter_high: AtomicUsize,
- logger: Arc<Logger>,
+ logger: L,
}
macro_rules! encode_msg {
/// Manages and reacts to connection events. You probably want to use file descriptors as PeerIds.
/// PeerIds may repeat, but only after socket_disconnected() has been called.
-impl<Descriptor: SocketDescriptor, CM: Deref> PeerManager<Descriptor, CM> where CM::Target: msgs::ChannelMessageHandler {
+impl<Descriptor: SocketDescriptor, CM: Deref, L: Deref> PeerManager<Descriptor, CM, L> where CM::Target: msgs::ChannelMessageHandler, L::Target: Logger {
/// Constructs a new PeerManager with the given message handlers and node_id secret key
/// ephemeral_random_data is used to derive per-connection ephemeral keys and must be
/// cryptographically secure random bytes.
- pub fn new(message_handler: MessageHandler<CM>, our_node_secret: SecretKey, ephemeral_random_data: &[u8; 32], logger: Arc<Logger>) -> PeerManager<Descriptor, CM> {
+ pub fn new(message_handler: MessageHandler<CM>, our_node_secret: SecretKey, ephemeral_random_data: &[u8; 32], logger: L) -> PeerManager<Descriptor, CM, L> {
let mut ephemeral_key_midstate = Sha256::engine();
ephemeral_key_midstate.input(ephemeral_random_data);
PeerManager {
- message_handler: message_handler,
+ message_handler,
peers: Mutex::new(PeerHolder {
peers: HashMap::new(),
peers_needing_send: HashSet::new(),
- node_id_to_descriptor: HashMap::new()
+ node_id_to_descriptor: HashMap::new(),
+ pending_broadcasts: Vec::new(),
}),
- our_node_secret: our_node_secret,
+ our_node_secret,
ephemeral_key_midstate,
peer_counter_low: AtomicUsize::new(0),
peer_counter_high: AtomicUsize::new(0),
macro_rules! encode_and_send_msg {
($msg: expr) => {
{
- log_trace!(self, "Encoding and sending sync update message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Encoding and sending sync update message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!($msg)[..]));
}
}
InitSyncTracker::ChannelsSyncing(c) if c < 0xffff_ffff_ffff_ffff => {
let steps = ((MSG_BUFF_SIZE - peer.pending_outbound_buffer.len() + 2) / 3) as u8;
let all_messages = self.message_handler.route_handler.get_next_channel_announcements(c, steps);
- for &(ref announce, ref update_a, ref update_b) in all_messages.iter() {
+ for &(ref announce, ref update_a_option, ref update_b_option) in all_messages.iter() {
encode_and_send_msg!(announce);
- encode_and_send_msg!(update_a);
- encode_and_send_msg!(update_b);
+ if let &Some(ref update_a) = update_a_option {
+ encode_and_send_msg!(update_a);
+ }
+ if let &Some(ref update_b) = update_b_option {
+ encode_and_send_msg!(update_b);
+ }
peer.sync_status = InitSyncTracker::ChannelsSyncing(announce.contents.short_channel_id + 1);
}
if all_messages.is_empty() || all_messages.len() != steps as usize {
}
}
+ /// Append a message to a peer's pending outbound/write buffer, and update the map of peers needing sends accordingly.
+ fn enqueue_message<M: Encode + Writeable>(&self, peers_needing_send: &mut HashSet<Descriptor>, peer: &mut Peer, descriptor: Descriptor, message: &M) {
+ let mut buffer = VecWriter(Vec::new());
+ wire::write(message, &mut buffer).unwrap(); // crash if the write failed
+ let encoded_message = buffer.0;
+
+ log_trace!(self.logger, "Enqueueing message of type {} to {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_message[..]));
+ peers_needing_send.insert(descriptor);
+ }
+
fn do_read_event(&self, peer_descriptor: &mut Descriptor, data: &[u8]) -> Result<bool, PeerHandleError> {
let pause_read = {
let mut peers_lock = self.peers.lock().unwrap();
if peer.pending_read_buffer_pos == peer.pending_read_buffer.len() {
peer.pending_read_buffer_pos = 0;
- macro_rules! encode_and_send_msg {
- ($msg: expr) => {
- {
- log_trace!(self, "Encoding and sending message of type {} to {}", $msg.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(&$msg)[..]));
- peers.peers_needing_send.insert(peer_descriptor.clone());
- }
- }
- }
-
macro_rules! try_potential_handleerror {
($thing: expr) => {
match $thing {
match e.action {
msgs::ErrorAction::DisconnectPeer { msg: _ } => {
//TODO: Try to push msg
- log_trace!(self, "Got Err handling message, disconnecting peer because {}", e.err);
+ log_trace!(self.logger, "Got Err handling message, disconnecting peer because {}", e.err);
return Err(PeerHandleError{ no_connection_possible: false });
},
msgs::ErrorAction::IgnoreError => {
- log_trace!(self, "Got Err handling message, ignoring because {}", e.err);
+ log_trace!(self.logger, "Got Err handling message, ignoring because {}", e.err);
continue;
},
msgs::ErrorAction::SendErrorMessage { msg } => {
- log_trace!(self, "Got Err handling message, sending Error message because {}", e.err);
- encode_and_send_msg!(msg);
+ log_trace!(self.logger, "Got Err handling message, sending Error message because {}", e.err);
+ self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &msg);
continue;
},
}
() => {
match peers.node_id_to_descriptor.entry(peer.their_node_id.unwrap()) {
hash_map::Entry::Occupied(_) => {
- log_trace!(self, "Got second connection with {}, closing", log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Got second connection with {}, closing", log_pubkey!(peer.their_node_id.unwrap()));
peer.their_node_id = None; // Unset so that we don't generate a peer_disconnected event
return Err(PeerHandleError{ no_connection_possible: false })
},
hash_map::Entry::Vacant(entry) => {
- log_trace!(self, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Finished noise handshake for connection with {}", log_pubkey!(peer.their_node_id.unwrap()));
entry.insert(peer_descriptor.clone())
},
};
peer.their_node_id = Some(their_node_id);
insert_node_id!();
- let mut features = InitFeatures::supported();
- if self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
- features.set_initial_routing_sync();
+ let mut features = InitFeatures::known();
+ if !self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
+ features.clear_initial_routing_sync();
}
let resp = msgs::Init { features };
- encode_and_send_msg!(resp);
+ self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp);
},
NextNoiseStep::ActThree => {
let their_node_id = try_potential_handleerror!(peer.channel_encryptor.process_act_three(&peer.pending_read_buffer[..]));
match e {
msgs::DecodeError::UnknownVersion => return Err(PeerHandleError { no_connection_possible: false }),
msgs::DecodeError::UnknownRequiredFeature => {
- log_debug!(self, "Got a channel/node announcement with an known required feature flag, you may want to update!");
+ log_debug!(self.logger, "Got a channel/node announcement with an known required feature flag, you may want to update!");
continue;
}
msgs::DecodeError::InvalidValue => {
- log_debug!(self, "Got an invalid value while deserializing message");
+ log_debug!(self.logger, "Got an invalid value while deserializing message");
return Err(PeerHandleError { no_connection_possible: false });
}
msgs::DecodeError::ShortRead => {
- log_debug!(self, "Deserialization failed due to shortness of message");
+ log_debug!(self.logger, "Deserialization failed due to shortness of message");
return Err(PeerHandleError { no_connection_possible: false });
}
msgs::DecodeError::BadLengthDescriptor => return Err(PeerHandleError { no_connection_possible: false }),
}
};
- log_trace!(self, "Received message of type {} from {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Received message of type {} from {}", message.type_id(), log_pubkey!(peer.their_node_id.unwrap()));
// Need an Init as first message
if let wire::Message::Init(_) = message {
} else if peer.their_features.is_none() {
- log_trace!(self, "Peer {} sent non-Init first message", log_pubkey!(peer.their_node_id.unwrap()));
+ log_trace!(self.logger, "Peer {} sent non-Init first message", log_pubkey!(peer.their_node_id.unwrap()));
return Err(PeerHandleError{ no_connection_possible: false });
}
// Setup and Control messages:
wire::Message::Init(msg) => {
if msg.features.requires_unknown_bits() {
- log_info!(self, "Peer global features required unknown version bits");
+ log_info!(self.logger, "Peer global features required unknown version bits");
return Err(PeerHandleError{ no_connection_possible: true });
}
if msg.features.requires_unknown_bits() {
- log_info!(self, "Peer local features required unknown version bits");
+ log_info!(self.logger, "Peer local features required unknown version bits");
return Err(PeerHandleError{ no_connection_possible: true });
}
if peer.their_features.is_some() {
return Err(PeerHandleError{ no_connection_possible: false });
}
- log_info!(self, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, unkown local flags: {}, unknown global flags: {}",
+ log_info!(self.logger, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, static_remote_key: {}, unkown local flags: {}, unknown global flags: {}",
if msg.features.supports_data_loss_protect() { "supported" } else { "not supported"},
if msg.features.initial_routing_sync() { "requested" } else { "not requested" },
if msg.features.supports_upfront_shutdown_script() { "supported" } else { "not supported"},
+ if msg.features.supports_static_remote_key() { "supported" } else { "not supported"},
if msg.features.supports_unknown_bits() { "present" } else { "none" },
if msg.features.supports_unknown_bits() { "present" } else { "none" });
peer.sync_status = InitSyncTracker::ChannelsSyncing(0);
peers.peers_needing_send.insert(peer_descriptor.clone());
}
+ if !msg.features.supports_static_remote_key() {
+ log_debug!(self.logger, "Peer {} does not support static remote key, disconnecting with no_connection_possible", log_pubkey!(peer.their_node_id.unwrap()));
+ return Err(PeerHandleError{ no_connection_possible: true });
+ }
if !peer.outbound {
- let mut features = InitFeatures::supported();
- if self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
- features.set_initial_routing_sync();
+ let mut features = InitFeatures::known();
+ if !self.message_handler.route_handler.should_request_full_sync(&peer.their_node_id.unwrap()) {
+ features.clear_initial_routing_sync();
}
let resp = msgs::Init { features };
- encode_and_send_msg!(resp);
+ self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp);
}
self.message_handler.chan_handler.peer_connected(&peer.their_node_id.unwrap(), &msg);
}
if data_is_printable {
- log_debug!(self, "Got Err message from {}: {}", log_pubkey!(peer.their_node_id.unwrap()), msg.data);
+ log_debug!(self.logger, "Got Err message from {}: {}", log_pubkey!(peer.their_node_id.unwrap()), msg.data);
} else {
- log_debug!(self, "Got Err message from {} with non-ASCII error message", log_pubkey!(peer.their_node_id.unwrap()));
+ log_debug!(self.logger, "Got Err message from {} with non-ASCII error message", log_pubkey!(peer.their_node_id.unwrap()));
}
self.message_handler.chan_handler.handle_error(&peer.their_node_id.unwrap(), &msg);
if msg.channel_id == [0; 32] {
wire::Message::Ping(msg) => {
if msg.ponglen < 65532 {
let resp = msgs::Pong { byteslen: msg.ponglen };
- encode_and_send_msg!(resp);
+ self.enqueue_message(&mut peers.peers_needing_send, peer, peer_descriptor.clone(), &resp);
}
},
wire::Message::Pong(_msg) => {
let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_channel_announcement(&msg));
if should_forward {
- // TODO: forward msg along to all our other peers!
+ peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::ChanAnnounce(msg)));
}
},
wire::Message::NodeAnnouncement(msg) => {
let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_node_announcement(&msg));
if should_forward {
- // TODO: forward msg along to all our other peers!
+ peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::NodeAnnounce(msg)));
}
},
wire::Message::ChannelUpdate(msg) => {
let should_forward = try_potential_handleerror!(self.message_handler.route_handler.handle_channel_update(&msg));
if should_forward {
- // TODO: forward msg along to all our other peers!
+ peers.pending_broadcasts.push((peer.their_node_id.unwrap().clone(), AnnouncementMsg::ChanUpdate(msg)));
}
},
// Unknown messages:
wire::Message::Unknown(msg_type) if msg_type.is_even() => {
- log_debug!(self, "Received unknown even message of type {}, disconnecting peer!", msg_type);
+ log_debug!(self.logger, "Received unknown even message of type {}, disconnecting peer!", msg_type);
// Fail the channel if message is an even, unknown type as per BOLT #1.
return Err(PeerHandleError{ no_connection_possible: true });
},
wire::Message::Unknown(msg_type) => {
- log_trace!(self, "Received unknown odd message of type {}, ignoring", msg_type);
+ log_trace!(self.logger, "Received unknown odd message of type {}, ignoring", msg_type);
},
}
}
let mut events_generated = self.message_handler.chan_handler.get_and_clear_pending_msg_events();
let mut peers_lock = self.peers.lock().unwrap();
let peers = &mut *peers_lock;
+
+ macro_rules! broadcast_msgs {
+ ({ $($except_check: stmt), * }, { $($encoded_msg: expr), * }) => { {
+ for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
+ if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() {
+ continue
+ }
+ match peer.their_node_id {
+ None => continue,
+ Some(their_node_id) => {
+ $(
+ if { $except_check }(&peer, their_node_id) { continue }
+ )*
+ }
+ }
+ $(peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&$encoded_msg));)*
+ self.do_attempt_write_data(&mut (*descriptor).clone(), peer);
+ }
+ } }
+ }
+
+ for (from_node_id, broadcast) in peers.pending_broadcasts.drain(..) {
+ match broadcast {
+ AnnouncementMsg::ChanUpdate(msg) => {
+ let encoded_msg = encode_msg!(&msg);
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id),
+ |_, their_node_id| their_node_id == from_node_id },
+ { encoded_msg });
+ },
+ AnnouncementMsg::ChanAnnounce(msg) => {
+ let encoded_msg = encode_msg!(&msg);
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id),
+ |_, their_node_id| their_node_id == msg.contents.node_id_1,
+ |_, their_node_id| their_node_id == msg.contents.node_id_2,
+ |_, their_node_id| their_node_id == from_node_id },
+ { encoded_msg });
+ },
+ AnnouncementMsg::NodeAnnounce(msg) => {
+ let encoded_msg = encode_msg!(&msg);
+
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_node_announcement(msg.contents.node_id),
+ |_, their_node_id| their_node_id == msg.contents.node_id,
+ |_, their_node_id| their_node_id == from_node_id },
+ { encoded_msg });
+ }
+ }
+ }
+
for event in events_generated.drain(..) {
macro_rules! get_peer_for_forwarding {
($node_id: expr, $handle_no_such_peer: block) => {
}
match event {
MessageSendEvent::SendAcceptChannel { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendAcceptChannel event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendAcceptChannel event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.temporary_channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendOpenChannel { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendOpenChannel event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendOpenChannel event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.temporary_channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendFundingCreated { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendFundingCreated event in peer_handler for node {} for channel {} (which becomes {})",
+ log_trace!(self.logger, "Handling SendFundingCreated event in peer_handler for node {} for channel {} (which becomes {})",
log_pubkey!(node_id),
log_bytes!(msg.temporary_channel_id),
log_funding_channel_id!(msg.funding_txid, msg.funding_output_index));
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendFundingSigned { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendFundingSigned event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendFundingSigned event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendFundingLocked event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendFundingLocked event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendAnnouncementSignatures event in peer_handler for node {} for channel {})",
+ log_trace!(self.logger, "Handling SendAnnouncementSignatures event in peer_handler for node {} for channel {})",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
- log_trace!(self, "Handling UpdateHTLCs event in peer_handler for node {} with {} adds, {} fulfills, {} fails for channel {}",
+ log_trace!(self.logger, "Handling UpdateHTLCs event in peer_handler for node {} with {} adds, {} fulfills, {} fails for channel {}",
log_pubkey!(node_id),
update_add_htlcs.len(),
update_fulfill_htlcs.len(),
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendRevokeAndACK event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendRevokeAndACK event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendClosingSigned event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendClosingSigned event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
- log_trace!(self, "Handling Shutdown event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling Shutdown event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } => {
- log_trace!(self, "Handling SendChannelReestablish event in peer_handler for node {} for channel {}",
+ log_trace!(self.logger, "Handling SendChannelReestablish event in peer_handler for node {} for channel {}",
log_pubkey!(node_id),
log_bytes!(msg.channel_id));
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
self.do_attempt_write_data(&mut descriptor, peer);
},
MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
- log_trace!(self, "Handling BroadcastChannelAnnouncement event in peer_handler for short channel id {}", msg.contents.short_channel_id);
+ log_trace!(self.logger, "Handling BroadcastChannelAnnouncement event in peer_handler for short channel id {}", msg.contents.short_channel_id);
if self.message_handler.route_handler.handle_channel_announcement(msg).is_ok() && self.message_handler.route_handler.handle_channel_update(update_msg).is_ok() {
let encoded_msg = encode_msg!(msg);
let encoded_update_msg = encode_msg!(update_msg);
-
- for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
- if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() ||
- !peer.should_forward_channel_announcement(msg.contents.short_channel_id) {
- continue
- }
- match peer.their_node_id {
- None => continue,
- Some(their_node_id) => {
- if their_node_id == msg.contents.node_id_1 || their_node_id == msg.contents.node_id_2 {
- continue
- }
- }
- }
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..]));
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_update_msg[..]));
- self.do_attempt_write_data(&mut (*descriptor).clone(), peer);
- }
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id),
+ |_, their_node_id| their_node_id == msg.contents.node_id_1,
+ |_, their_node_id| their_node_id == msg.contents.node_id_2 },
+ { encoded_msg, encoded_update_msg });
}
},
MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
- log_trace!(self, "Handling BroadcastNodeAnnouncement event in peer_handler");
+ log_trace!(self.logger, "Handling BroadcastNodeAnnouncement event in peer_handler");
if self.message_handler.route_handler.handle_node_announcement(msg).is_ok() {
let encoded_msg = encode_msg!(msg);
- for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
- if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() ||
- !peer.should_forward_node_announcement(msg.contents.node_id) {
- continue
- }
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..]));
- self.do_attempt_write_data(&mut (*descriptor).clone(), peer);
- }
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_node_announcement(msg.contents.node_id),
+ |_, their_node_id| their_node_id == msg.contents.node_id },
+ { encoded_msg });
}
},
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
- log_trace!(self, "Handling BroadcastChannelUpdate event in peer_handler for short channel id {}", msg.contents.short_channel_id);
+ log_trace!(self.logger, "Handling BroadcastChannelUpdate event in peer_handler for short channel id {}", msg.contents.short_channel_id);
if self.message_handler.route_handler.handle_channel_update(msg).is_ok() {
let encoded_msg = encode_msg!(msg);
- for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
- if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() ||
- !peer.should_forward_channel_announcement(msg.contents.short_channel_id) {
- continue
- }
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_msg[..]));
- self.do_attempt_write_data(&mut (*descriptor).clone(), peer);
- }
+ broadcast_msgs!({ |peer: & &mut Peer, _| !peer.should_forward_channel_announcement(msg.contents.short_channel_id) },
+ { encoded_msg });
}
},
MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
peers.peers_needing_send.remove(&descriptor);
if let Some(mut peer) = peers.peers.remove(&descriptor) {
if let Some(ref msg) = *msg {
- log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}",
+ log_trace!(self.logger, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}",
log_pubkey!(node_id),
msg.data);
peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg)));
// room in the send buffer, put the error message there...
self.do_attempt_write_data(&mut descriptor, &mut peer);
} else {
- log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id));
+ log_trace!(self.logger, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id));
}
}
descriptor.disconnect_socket();
},
msgs::ErrorAction::IgnoreError => {},
msgs::ErrorAction::SendErrorMessage { ref msg } => {
- log_trace!(self, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}",
+ log_trace!(self.logger, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}",
log_pubkey!(node_id),
msg.data);
let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
descriptors_needing_disconnect.push(descriptor.clone());
match peer.their_node_id {
Some(node_id) => {
- log_trace!(self, "Disconnecting peer with id {} due to ping timeout", node_id);
+ log_trace!(self.logger, "Disconnecting peer with id {} due to ping timeout", node_id);
node_id_to_descriptor.remove(&node_id);
self.message_handler.chan_handler.peer_disconnected(&node_id, false);
}
#[cfg(test)]
mod tests {
+ use bitcoin::secp256k1::Signature;
+ use bitcoin::BitcoinHash;
+ use bitcoin::network::constants::Network;
+ use bitcoin::blockdata::constants::genesis_block;
use ln::peer_handler::{PeerManager, MessageHandler, SocketDescriptor};
use ln::msgs;
+ use ln::features::ChannelFeatures;
use util::events;
use util::test_utils;
- use util::logger::Logger;
- use secp256k1::Secp256k1;
- use secp256k1::key::{SecretKey, PublicKey};
+ use bitcoin::secp256k1::Secp256k1;
+ use bitcoin::secp256k1::key::{SecretKey, PublicKey};
use rand::{thread_rng, Rng};
use std;
+ use std::cmp::min;
use std::sync::{Arc, Mutex};
+ use std::sync::atomic::{AtomicUsize, Ordering};
#[derive(Clone)]
struct FileDescriptor {
fn disconnect_socket(&mut self) {}
}
- fn create_chan_handlers(peer_count: usize) -> Vec<test_utils::TestChannelMessageHandler> {
- let mut chan_handlers = Vec::new();
+ struct PeerManagerCfg {
+ chan_handler: test_utils::TestChannelMessageHandler,
+ logger: test_utils::TestLogger,
+ }
+
+ fn create_peermgr_cfgs(peer_count: usize) -> Vec<PeerManagerCfg> {
+ let mut cfgs = Vec::new();
for _ in 0..peer_count {
let chan_handler = test_utils::TestChannelMessageHandler::new();
- chan_handlers.push(chan_handler);
+ let logger = test_utils::TestLogger::new();
+ cfgs.push(
+ PeerManagerCfg{
+ chan_handler,
+ logger,
+ }
+ );
}
- chan_handlers
+ cfgs
}
- fn create_network<'a>(peer_count: usize, chan_handlers: &'a Vec<test_utils::TestChannelMessageHandler>) -> Vec<PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler>> {
+ fn create_network<'a>(peer_count: usize, cfgs: &'a Vec<PeerManagerCfg>, routing_handlers: Option<&'a Vec<Arc<msgs::RoutingMessageHandler>>>) -> Vec<PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestLogger>> {
let mut peers = Vec::new();
let mut rng = thread_rng();
- let logger : Arc<Logger> = Arc::new(test_utils::TestLogger::new());
let mut ephemeral_bytes = [0; 32];
rng.fill_bytes(&mut ephemeral_bytes);
for i in 0..peer_count {
- let router = test_utils::TestRoutingMessageHandler::new();
+ let router = if let Some(routers) = routing_handlers { routers[i].clone() } else {
+ Arc::new(test_utils::TestRoutingMessageHandler::new())
+ };
let node_id = {
let mut key_slice = [0;32];
rng.fill_bytes(&mut key_slice);
SecretKey::from_slice(&key_slice).unwrap()
};
- let msg_handler = MessageHandler { chan_handler: &chan_handlers[i], route_handler: Arc::new(router) };
- let peer = PeerManager::new(msg_handler, node_id, &ephemeral_bytes, Arc::clone(&logger));
+ let msg_handler = MessageHandler { chan_handler: &cfgs[i].chan_handler, route_handler: router };
+ let peer = PeerManager::new(msg_handler, node_id, &ephemeral_bytes, &cfgs[i].logger);
peers.push(peer);
}
peers
}
- fn establish_connection<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler>) {
+ fn establish_connection<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestLogger>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestLogger>) -> (FileDescriptor, FileDescriptor) {
let secp_ctx = Secp256k1::new();
let a_id = PublicKey::from_secret_key(&secp_ctx, &peer_a.our_node_secret);
let mut fd_a = FileDescriptor { fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())) };
assert_eq!(peer_a.read_event(&mut fd_a, &initial_data).unwrap(), false);
assert_eq!(peer_b.read_event(&mut fd_b, &fd_a.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
assert_eq!(peer_a.read_event(&mut fd_a, &fd_b.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
+ (fd_a.clone(), fd_b.clone())
+ }
+
+ fn establish_connection_and_read_events<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestLogger>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler, &'a test_utils::TestLogger>) -> (FileDescriptor, FileDescriptor) {
+ let (mut fd_a, mut fd_b) = establish_connection(peer_a, peer_b);
+ assert_eq!(peer_b.read_event(&mut fd_b, &fd_a.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
+ assert_eq!(peer_a.read_event(&mut fd_a, &fd_b.outbound_data.lock().unwrap().split_off(0)).unwrap(), false);
+ (fd_a.clone(), fd_b.clone())
}
#[test]
fn test_disconnect_peer() {
// Simple test which builds a network of PeerManager, connects and brings them to NoiseState::Finished and
// push a DisconnectPeer event to remove the node flagged by id
- let chan_handlers = create_chan_handlers(2);
+ let cfgs = create_peermgr_cfgs(2);
let chan_handler = test_utils::TestChannelMessageHandler::new();
- let mut peers = create_network(2, &chan_handlers);
+ let mut peers = create_network(2, &cfgs, None);
establish_connection(&peers[0], &peers[1]);
assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 1);
peers[0].process_events();
assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 0);
}
+
#[test]
- fn test_timer_tick_occured(){
+ fn test_timer_tick_occurred() {
// Create peers, a vector of two peer managers, perform initial set up and check that peers[0] has one Peer.
- let chan_handlers = create_chan_handlers(2);
- let peers = create_network(2, &chan_handlers);
+ let cfgs = create_peermgr_cfgs(2);
+ let peers = create_network(2, &cfgs, None);
establish_connection(&peers[0], &peers[1]);
assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 1);
peers[0].timer_tick_occured();
assert_eq!(peers[0].peers.lock().unwrap().peers.len(), 0);
}
+
+ pub struct TestRoutingMessageHandler {
+ pub chan_upds_recvd: AtomicUsize,
+ pub chan_anns_recvd: AtomicUsize,
+ pub chan_anns_sent: AtomicUsize,
+ }
+
+ impl TestRoutingMessageHandler {
+ pub fn new() -> Self {
+ TestRoutingMessageHandler {
+ chan_upds_recvd: AtomicUsize::new(0),
+ chan_anns_recvd: AtomicUsize::new(0),
+ chan_anns_sent: AtomicUsize::new(0),
+ }
+ }
+
+ }
+ impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
+ fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
+ Err(msgs::LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
+ }
+ fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
+ self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
+ Err(msgs::LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
+ }
+ fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
+ self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
+ Err(msgs::LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
+ }
+ fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
+ fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
+ let mut chan_anns = Vec::new();
+ const TOTAL_UPDS: u64 = 100;
+ let end: u64 = min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
+ for i in starting_point..end {
+ let chan_upd_1 = get_dummy_channel_update(i);
+ let chan_upd_2 = get_dummy_channel_update(i);
+ let chan_ann = get_dummy_channel_announcement(i);
+
+ chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
+ }
+
+ self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
+ chan_anns
+ }
+
+ fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
+ Vec::new()
+ }
+
+ fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
+ true
+ }
+ }
+
+ fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
+ use bitcoin::secp256k1::ffi::Signature as FFISignature;
+ let secp_ctx = Secp256k1::new();
+ let network = Network::Testnet;
+ let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
+ let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
+ let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
+ let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
+ let unsigned_ann = msgs::UnsignedChannelAnnouncement {
+ features: ChannelFeatures::known(),
+ chain_hash: genesis_block(network).header.bitcoin_hash(),
+ short_channel_id: short_chan_id,
+ node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
+ node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
+ bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
+ bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
+ excess_data: Vec::new(),
+ };
+
+ msgs::ChannelAnnouncement {
+ node_signature_1: Signature::from(FFISignature::new()),
+ node_signature_2: Signature::from(FFISignature::new()),
+ bitcoin_signature_1: Signature::from(FFISignature::new()),
+ bitcoin_signature_2: Signature::from(FFISignature::new()),
+ contents: unsigned_ann,
+ }
+ }
+
+ fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
+ use bitcoin::secp256k1::ffi::Signature as FFISignature;
+ let network = Network::Testnet;
+ msgs::ChannelUpdate {
+ signature: Signature::from(FFISignature::new()),
+ contents: msgs::UnsignedChannelUpdate {
+ chain_hash: genesis_block(network).header.bitcoin_hash(),
+ short_channel_id: short_chan_id,
+ timestamp: 0,
+ flags: 0,
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: vec![],
+ }
+ }
+ }
+
+ #[test]
+ fn test_do_attempt_write_data() {
+ // Create 2 peers with custom TestRoutingMessageHandlers and connect them.
+ let cfgs = create_peermgr_cfgs(2);
+ let mut routing_handlers: Vec<Arc<msgs::RoutingMessageHandler>> = Vec::new();
+ let mut routing_handlers_concrete: Vec<Arc<TestRoutingMessageHandler>> = Vec::new();
+ for _ in 0..2 {
+ let routing_handler = Arc::new(TestRoutingMessageHandler::new());
+ routing_handlers.push(routing_handler.clone());
+ routing_handlers_concrete.push(routing_handler.clone());
+ }
+ let peers = create_network(2, &cfgs, Some(&routing_handlers));
+
+ // By calling establish_connect, we trigger do_attempt_write_data between
+ // the peers. Previously this function would mistakenly enter an infinite loop
+ // when there were more channel messages available than could fit into a peer's
+ // buffer. This issue would now be detected by this test (because we use custom
+ // RoutingMessageHandlers that intentionally return more channel messages
+ // than can fit into a peer's buffer).
+ let (mut fd_a, mut fd_b) = establish_connection(&peers[0], &peers[1]);
+
+ // Make each peer to read the messages that the other peer just wrote to them.
+ peers[1].read_event(&mut fd_b, &fd_a.outbound_data.lock().unwrap().split_off(0)).unwrap();
+ peers[0].read_event(&mut fd_a, &fd_b.outbound_data.lock().unwrap().split_off(0)).unwrap();
+
+ // Check that each peer has received the expected number of channel updates and channel
+ // announcements.
+ assert_eq!(routing_handlers_concrete[0].clone().chan_upds_recvd.load(Ordering::Acquire), 100);
+ assert_eq!(routing_handlers_concrete[0].clone().chan_anns_recvd.load(Ordering::Acquire), 50);
+ assert_eq!(routing_handlers_concrete[1].clone().chan_upds_recvd.load(Ordering::Acquire), 100);
+ assert_eq!(routing_handlers_concrete[1].clone().chan_anns_recvd.load(Ordering::Acquire), 50);
+ }
+
+ #[test]
+ fn limit_initial_routing_sync_requests() {
+ // Inbound peer 0 requests initial_routing_sync, but outbound peer 1 does not.
+ {
+ let cfgs = create_peermgr_cfgs(2);
+ let routing_handlers: Vec<Arc<msgs::RoutingMessageHandler>> = vec![
+ Arc::new(test_utils::TestRoutingMessageHandler::new().set_request_full_sync()),
+ Arc::new(test_utils::TestRoutingMessageHandler::new()),
+ ];
+ let peers = create_network(2, &cfgs, Some(&routing_handlers));
+ let (fd_0_to_1, fd_1_to_0) = establish_connection_and_read_events(&peers[0], &peers[1]);
+
+ let peer_0 = peers[0].peers.lock().unwrap();
+ let peer_1 = peers[1].peers.lock().unwrap();
+
+ let peer_0_features = peer_1.peers.get(&fd_1_to_0).unwrap().their_features.as_ref();
+ let peer_1_features = peer_0.peers.get(&fd_0_to_1).unwrap().their_features.as_ref();
+
+ assert!(peer_0_features.unwrap().initial_routing_sync());
+ assert!(!peer_1_features.unwrap().initial_routing_sync());
+ }
+
+ // Outbound peer 1 requests initial_routing_sync, but inbound peer 0 does not.
+ {
+ let cfgs = create_peermgr_cfgs(2);
+ let routing_handlers: Vec<Arc<msgs::RoutingMessageHandler>> = vec![
+ Arc::new(test_utils::TestRoutingMessageHandler::new()),
+ Arc::new(test_utils::TestRoutingMessageHandler::new().set_request_full_sync()),
+ ];
+ let peers = create_network(2, &cfgs, Some(&routing_handlers));
+ let (fd_0_to_1, fd_1_to_0) = establish_connection_and_read_events(&peers[0], &peers[1]);
+
+ let peer_0 = peers[0].peers.lock().unwrap();
+ let peer_1 = peers[1].peers.lock().unwrap();
+
+ let peer_0_features = peer_1.peers.get(&fd_1_to_0).unwrap().their_features.as_ref();
+ let peer_1_features = peer_0.peers.get(&fd_0_to_1).unwrap().their_features.as_ref();
+
+ assert!(!peer_0_features.unwrap().initial_routing_sync());
+ assert!(peer_1_features.unwrap().initial_routing_sync());
+ }
+ }
}
projects / rust-lightning / blobdiff