use ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
use ln::wire;
use ln::wire::Encode;
+use onion_message::{SimpleArcOnionMessenger, SimpleRefOnionMessenger};
use routing::gossip::{NetworkGraph, P2PGossipSync};
use util::atomic_counter::AtomicCounter;
use util::crypto::sign;
fn get_next_channel_announcement(&self, _starting_point: u64) ->
Option<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> { None }
fn get_next_node_announcement(&self, _starting_point: Option<&PublicKey>) -> Option<msgs::NodeAnnouncement> { None }
- fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) {}
+ fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) -> Result<(), ()> { Ok(()) }
fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), LightningError> { Ok(()) }
fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), LightningError> { Ok(()) }
fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::QueryChannelRange) -> Result<(), LightningError> { Ok(()) }
fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: msgs::QueryShortChannelIds) -> Result<(), LightningError> { Ok(()) }
+ fn provided_node_features(&self) -> NodeFeatures { NodeFeatures::empty() }
+ fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures {
+ InitFeatures::empty()
+ }
}
impl OnionMessageProvider for IgnoringMessageHandler {
fn next_onion_message_for_peer(&self, _peer_node_id: PublicKey) -> Option<msgs::OnionMessage> { None }
}
impl OnionMessageHandler for IgnoringMessageHandler {
fn handle_onion_message(&self, _their_node_id: &PublicKey, _msg: &msgs::OnionMessage) {}
- fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) {}
+ fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) -> Result<(), ()> { Ok(()) }
fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
+ fn provided_node_features(&self) -> NodeFeatures { NodeFeatures::empty() }
+ fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures {
+ InitFeatures::empty()
+ }
}
impl Deref for IgnoringMessageHandler {
type Target = IgnoringMessageHandler;
// msgs::ChannelUpdate does not contain the channel_id field, so we just drop them.
fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelUpdate) {}
fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
- fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
+ fn peer_connected(&self, _their_node_id: &PublicKey, _init: &msgs::Init) -> Result<(), ()> { Ok(()) }
fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
fn provided_node_features(&self) -> NodeFeatures { NodeFeatures::empty() }
- fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures { InitFeatures::known() }
+ fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures {
+ // Set a number of features which various nodes may require to talk to us. It's totally
+ // reasonable to indicate we "support" all kinds of channel features...we just reject all
+ // channels.
+ let mut features = InitFeatures::empty();
+ features.set_data_loss_protect_optional();
+ features.set_upfront_shutdown_script_optional();
+ features.set_variable_length_onion_optional();
+ features.set_static_remote_key_optional();
+ features.set_payment_secret_optional();
+ features.set_basic_mpp_optional();
+ features.set_wumbo_optional();
+ features.set_shutdown_any_segwit_optional();
+ features.set_channel_type_optional();
+ features.set_scid_privacy_optional();
+ features.set_zero_conf_optional();
+ features
+ }
}
impl Deref for ErroringMessageHandler {
type Target = ErroringMessageHandler;
pending_outbound_buffer: LinkedList<Vec<u8>>,
pending_outbound_buffer_first_msg_offset: usize,
- // Queue gossip broadcasts separately from `pending_outbound_buffer` so we can easily prioritize
- // channel messages over them.
+ /// Queue gossip broadcasts separately from `pending_outbound_buffer` so we can easily
+ /// prioritize channel messages over them.
+ ///
+ /// Note that these messages are *not* encrypted/MAC'd, and are only serialized.
gossip_broadcast_buffer: LinkedList<Vec<u8>>,
awaiting_write_event: bool,
/// SimpleRefPeerManager is the more appropriate type. Defining these type aliases prevents
/// issues such as overly long function definitions.
///
-/// (C-not exported) as Arcs don't make sense in bindings
-pub type SimpleArcPeerManager<SD, M, T, F, C, L> = PeerManager<SD, Arc<SimpleArcChannelManager<M, T, F, L>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<L>>>, Arc<C>, Arc<L>>>, IgnoringMessageHandler, Arc<L>, Arc<IgnoringMessageHandler>>;
+/// (C-not exported) as `Arc`s don't make sense in bindings.
+pub type SimpleArcPeerManager<SD, M, T, F, C, L> = PeerManager<SD, Arc<SimpleArcChannelManager<M, T, F, L>>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<L>>>, Arc<C>, Arc<L>>>, Arc<SimpleArcOnionMessenger<L>>, Arc<L>, IgnoringMessageHandler>;
/// 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
/// But if this is not necessary, using a reference is more efficient. Defining these type aliases
/// helps with issues such as long function definitions.
///
-/// (C-not exported) as Arcs don't make sense in bindings
-pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, SD, M, T, F, C, L> = PeerManager<SD, SimpleRefChannelManager<'a, 'b, 'c, 'd, 'e, M, T, F, L>, &'e P2PGossipSync<&'g NetworkGraph<&'f L>, &'h C, &'f L>, IgnoringMessageHandler, &'f L, IgnoringMessageHandler>;
+/// (C-not exported) as general type aliases don't make sense in bindings.
+pub type SimpleRefPeerManager<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, SD, M, T, F, C, L> = PeerManager<SD, SimpleRefChannelManager<'a, 'b, 'c, 'd, 'e, M, T, F, L>, &'e P2PGossipSync<&'g NetworkGraph<&'f L>, &'h C, &'f L>, &'i SimpleRefOnionMessenger<'j, 'k, L>, &'f L, IgnoringMessageHandler>;
/// A PeerManager manages a set of peers, described by their [`SocketDescriptor`] and marshalls
/// socket events into messages which it passes on to its [`MessageHandler`].
}
if peer.should_buffer_gossip_broadcast() {
if let Some(msg) = peer.gossip_broadcast_buffer.pop_front() {
- peer.pending_outbound_buffer.push_back(msg);
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_buffer(&msg[..]));
}
}
if peer.should_buffer_gossip_backfill() {
/// Append a message to a peer's pending outbound/write buffer
fn enqueue_message<M: wire::Type>(&self, peer: &mut Peer, message: &M) {
- let mut buffer = VecWriter(Vec::with_capacity(2048));
- wire::write(message, &mut buffer).unwrap(); // crash if the write failed
-
if is_gossip_msg(message.type_id()) {
log_gossip!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap()));
} else {
log_trace!(self.logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap()))
}
peer.msgs_sent_since_pong += 1;
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&buffer.0[..]));
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(message));
}
/// Append a message to a peer's pending outbound/write gossip broadcast buffer
- fn enqueue_encoded_gossip_broadcast(&self, peer: &mut Peer, encoded_message: &Vec<u8>) {
+ fn enqueue_encoded_gossip_broadcast(&self, peer: &mut Peer, encoded_message: Vec<u8>) {
peer.msgs_sent_since_pong += 1;
- peer.gossip_broadcast_buffer.push_back(peer.channel_encryptor.encrypt_message(&encoded_message[..]));
+ peer.gossip_broadcast_buffer.push_back(encoded_message);
}
fn do_read_event(&self, peer_descriptor: &mut Descriptor, data: &[u8]) -> Result<bool, PeerHandleError> {
peer.their_node_id = Some(their_node_id);
insert_node_id!();
- let features = self.message_handler.chan_handler.provided_init_features(&their_node_id);
+ let features = self.message_handler.chan_handler.provided_init_features(&their_node_id)
+ .or(self.message_handler.route_handler.provided_init_features(&their_node_id))
+ .or(self.message_handler.onion_message_handler.provided_init_features(&their_node_id));
let resp = msgs::Init { features, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
self.enqueue_message(peer, &resp);
peer.awaiting_pong_timer_tick_intervals = 0;
peer.pending_read_is_header = true;
peer.their_node_id = Some(their_node_id);
insert_node_id!();
- let features = self.message_handler.chan_handler.provided_init_features(&their_node_id);
+ let features = self.message_handler.chan_handler.provided_init_features(&their_node_id)
+ .or(self.message_handler.route_handler.provided_init_features(&their_node_id))
+ .or(self.message_handler.onion_message_handler.provided_init_features(&their_node_id));
let resp = msgs::Init { features, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
self.enqueue_message(peer, &resp);
peer.awaiting_pong_timer_tick_intervals = 0;
}
(_, Some(ty)) if is_gossip_msg(ty) => {
log_gossip!(self.logger, "Got an invalid value while deserializing a gossip message");
- self.enqueue_message(peer, &msgs::WarningMessage { channel_id: [0; 32], data: "Unreadable/bogus gossip message".to_owned() });
+ self.enqueue_message(peer, &msgs::WarningMessage {
+ channel_id: [0; 32],
+ data: format!("Unreadable/bogus gossip message of type {}", ty),
+ });
continue;
}
(msgs::DecodeError::UnknownRequiredFeature, ty) => {
peer_lock.sync_status = InitSyncTracker::ChannelsSyncing(0);
}
- 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!(their_node_id));
+ if let Err(()) = self.message_handler.route_handler.peer_connected(&their_node_id, &msg) {
+ log_debug!(self.logger, "Route Handler decided we couldn't communicate with peer {}", log_pubkey!(their_node_id));
+ return Err(PeerHandleError{ no_connection_possible: true }.into());
+ }
+ if let Err(()) = self.message_handler.chan_handler.peer_connected(&their_node_id, &msg) {
+ log_debug!(self.logger, "Channel Handler decided we couldn't communicate with peer {}", log_pubkey!(their_node_id));
+ return Err(PeerHandleError{ no_connection_possible: true }.into());
+ }
+ if let Err(()) = self.message_handler.onion_message_handler.peer_connected(&their_node_id, &msg) {
+ log_debug!(self.logger, "Onion Message Handler decided we couldn't communicate with peer {}", log_pubkey!(their_node_id));
return Err(PeerHandleError{ no_connection_possible: true }.into());
}
-
- self.message_handler.route_handler.peer_connected(&their_node_id, &msg);
- self.message_handler.chan_handler.peer_connected(&their_node_id, &msg);
- self.message_handler.onion_message_handler.peer_connected(&their_node_id, &msg);
peer_lock.their_features = Some(msg.features);
return Ok(None);
if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, &encoded_msg);
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
}
},
wire::Message::NodeAnnouncement(ref msg) => {
if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, &encoded_msg);
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
}
},
wire::Message::ChannelUpdate(ref msg) => {
if except_node.is_some() && peer.their_node_id.as_ref() == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, &encoded_msg);
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
}
},
_ => debug_assert!(false, "We shouldn't attempt to forward anything but gossip messages"),
// addresses be sorted for future compatibility.
addresses.sort_by_key(|addr| addr.get_id());
+ let features = self.message_handler.chan_handler.provided_node_features()
+ .or(self.message_handler.route_handler.provided_node_features())
+ .or(self.message_handler.onion_message_handler.provided_node_features());
let announcement = msgs::UnsignedNodeAnnouncement {
- features: self.message_handler.chan_handler.provided_node_features(),
+ features,
timestamp: self.last_node_announcement_serial.fetch_add(1, Ordering::AcqRel) as u32,
node_id: PublicKey::from_secret_key(&self.secp_ctx, &self.our_node_secret),
rgb, alias, addresses,
projects / rust-lightning / blobdiff