//! call into the provided message handlers (probably a ChannelManager and Router) 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 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 {
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 {
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 };
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, "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, "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 };
#[cfg(test)]
mod tests {
- use secp256k1::Signature;
+ use bitcoin::secp256k1::Signature;
use bitcoin::BitcoinHash;
use bitcoin::network::constants::Network;
use bitcoin::blockdata::constants::genesis_block;
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};
(fd_a.clone(), fd_b.clone())
}
+ fn establish_connection_and_read_events<'a>(peer_a: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler>, peer_b: &PeerManager<FileDescriptor, &'a test_utils::TestChannelMessageHandler>) -> (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
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, msgs::ChannelUpdate,msgs::ChannelUpdate)> {
+ 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);
let chan_upd_2 = get_dummy_channel_update(i);
let chan_ann = get_dummy_channel_announcement(i);
- chan_anns.push((chan_ann, chan_upd_1, chan_upd_2));
+ chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
}
self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
}
fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
- use secp256k1::ffi::Signature as FFISignature;
+ 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_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::supported(),
+ 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),
}
fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
- use secp256k1::ffi::Signature as FFISignature;
+ use bitcoin::secp256k1::ffi::Signature as FFISignature;
let network = Network::Testnet;
msgs::ChannelUpdate {
signature: Signature::from(FFISignature::new()),
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 chan_handlers = create_chan_handlers(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, &chan_handlers, 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 chan_handlers = create_chan_handlers(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, &chan_handlers, 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());
+ }
+ }
}