//! call into the provided message handlers (probably a ChannelManager and P2PGossipSync) with
//! messages they should handle, and encoding/sending response messages.
+use bitcoin::blockdata::constants::ChainHash;
use bitcoin::secp256k1::{self, Secp256k1, SecretKey, PublicKey};
use crate::sign::{KeysManager, NodeSigner, Recipient};
features
}
+ fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
+ // We don't enforce any chains upon peer connection for `ErroringMessageHandler` and leave it up
+ // to users of `ErroringMessageHandler` to make decisions on network compatiblility.
+ // There's not really any way to pull in specific networks here, and hardcoding can cause breakages.
+ None
+ }
+
fn handle_open_channel_v2(&self, their_node_id: &PublicKey, msg: &msgs::OpenChannelV2) {
ErroringMessageHandler::push_error(self, their_node_id, msg.temporary_channel_id);
}
peer.set_their_node_id(their_node_id);
insert_node_id!();
let features = self.init_features(&their_node_id);
- let resp = msgs::Init { features, networks: None, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
+ let networks = self.message_handler.chan_handler.get_genesis_hashes();
+ let resp = msgs::Init { features, networks, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
self.enqueue_message(peer, &resp);
peer.awaiting_pong_timer_tick_intervals = 0;
},
peer.set_their_node_id(their_node_id);
insert_node_id!();
let features = self.init_features(&their_node_id);
- let resp = msgs::Init { features, networks: None, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
+ let networks = self.message_handler.chan_handler.get_genesis_hashes();
+ let resp = msgs::Init { features, networks, remote_network_address: filter_addresses(peer.their_net_address.clone()) };
self.enqueue_message(peer, &resp);
peer.awaiting_pong_timer_tick_intervals = 0;
},
// Need an Init as first message
if let wire::Message::Init(msg) = message {
+ // Check if we have any compatible chains if the `networks` field is specified.
+ if let Some(networks) = &msg.networks {
+ if let Some(our_chains) = self.message_handler.chan_handler.get_genesis_hashes() {
+ let mut have_compatible_chains = false;
+ 'our_chains: for our_chain in our_chains.iter() {
+ for their_chain in networks {
+ if our_chain == their_chain {
+ have_compatible_chains = true;
+ break 'our_chains;
+ }
+ }
+ }
+ if !have_compatible_chains {
+ log_debug!(self.logger, "Peer does not support any of our supported chains");
+ return Err(PeerHandleError { }.into());
+ }
+ }
+ }
+
let our_features = self.init_features(&their_node_id);
if msg.features.requires_unknown_bits_from(&our_features) {
log_debug!(self.logger, "Peer requires features unknown to us");
use crate::ln::msgs::{LightningError, NetAddress};
use crate::util::test_utils;
+ use bitcoin::Network;
+ use bitcoin::blockdata::constants::ChainHash;
use bitcoin::secp256k1::{PublicKey, SecretKey};
use crate::prelude::*;
};
cfgs.push(
PeerManagerCfg{
- chan_handler: test_utils::TestChannelMessageHandler::new(),
+ chan_handler: test_utils::TestChannelMessageHandler::new(ChainHash::using_genesis_block(Network::Testnet)),
logger: test_utils::TestLogger::new(),
routing_handler: test_utils::TestRoutingMessageHandler::new(),
custom_handler: TestCustomMessageHandler { features },
cfgs
}
- fn create_incompatible_peermgr_cfgs(peer_count: usize) -> Vec<PeerManagerCfg> {
+ fn create_
feature_incompatible_peermgr_cfgs(peer_count: usize) -> Vec<PeerManagerCfg> {
let mut cfgs = Vec::new();
for i in 0..peer_count {
let node_secret = SecretKey::from_slice(&[42 + i as u8; 32]).unwrap();
};
cfgs.push(
PeerManagerCfg{
- chan_handler: test_utils::TestChannelMessageHandler::new(),
+ chan_handler: test_utils::TestChannelMessageHandler::new(ChainHash::using_genesis_block(Network::Testnet)),
+ logger: test_utils::TestLogger::new(),
+ routing_handler: test_utils::TestRoutingMessageHandler::new(),
+ custom_handler: TestCustomMessageHandler { features },
+ node_signer: test_utils::TestNodeSigner::new(node_secret),
+ }
+ );
+ }
+
+ cfgs
+ }
+
+ fn create_chain_incompatible_peermgr_cfgs(peer_count: usize) -> Vec<PeerManagerCfg> {
+ let mut cfgs = Vec::new();
+ for i in 0..peer_count {
+ let node_secret = SecretKey::from_slice(&[42 + i as u8; 32]).unwrap();
+ let features = InitFeatures::from_le_bytes(vec![0u8; 33]);
+ let network = ChainHash::from(&[i as u8; 32][..]);
+ cfgs.push(
+ PeerManagerCfg{
+ chan_handler: test_utils::TestChannelMessageHandler::new(network),
logger: test_utils::TestLogger::new(),
routing_handler: test_utils::TestRoutingMessageHandler::new(),
custom_handler: TestCustomMessageHandler { features },
}
#[test]
- fn test_incompatible_peers() {
+ fn test_feature_incompatible_peers() {
let cfgs = create_peermgr_cfgs(2);
- let incompatible_cfgs = create_incompatible_peermgr_cfgs(2);
+ let incompatible_cfgs = create_feature_incompatible_peermgr_cfgs(2);
let peers = create_network(2, &cfgs);
let incompatible_peers = create_network(2, &incompatible_cfgs);
}
}
+ #[test]
+ fn test_chain_incompatible_peers() {
+ let cfgs = create_peermgr_cfgs(2);
+ let incompatible_cfgs = create_chain_incompatible_peermgr_cfgs(2);
+
+ let peers = create_network(2, &cfgs);
+ let incompatible_peers = create_network(2, &incompatible_cfgs);
+ let peer_pairs = [(&peers[0], &incompatible_peers[0]), (&incompatible_peers[1], &peers[1])];
+ for (peer_a, peer_b) in peer_pairs.iter() {
+ let id_a = peer_a.node_signer.get_node_id(Recipient::Node).unwrap();
+ let mut fd_a = FileDescriptor {
+ fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())),
+ disconnect: Arc::new(AtomicBool::new(false)),
+ };
+ let addr_a = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1000};
+ let mut fd_b = FileDescriptor {
+ fd: 1, outbound_data: Arc::new(Mutex::new(Vec::new())),
+ disconnect: Arc::new(AtomicBool::new(false)),
+ };
+ let addr_b = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1001};
+ let initial_data = peer_b.new_outbound_connection(id_a, fd_b.clone(), Some(addr_a.clone())).unwrap();
+ peer_a.new_inbound_connection(fd_a.clone(), Some(addr_b.clone())).unwrap();
+ assert_eq!(peer_a.read_event(&mut fd_a, &initial_data).unwrap(), false);
+ peer_a.process_events();
+
+ let a_data = fd_a.outbound_data.lock().unwrap().split_off(0);
+ assert_eq!(peer_b.read_event(&mut fd_b, &a_data).unwrap(), false);
+
+ peer_b.process_events();
+ let b_data = fd_b.outbound_data.lock().unwrap().split_off(0);
+
+ // Should fail because of incompatible chains
+ assert!(peer_a.read_event(&mut fd_a, &b_data).is_err());
+ }
+ }
+
#[test]
fn test_disconnect_peer() {
// Simple test which builds a network of PeerManager, connects and brings them to NoiseState::Finished and
// Simple test which builds a network of PeerManager, connects and brings them to NoiseState::Finished and
// push a message from one peer to another.
let cfgs = create_peermgr_cfgs(2);
- let a_chan_handler = test_utils::TestChannelMessageHandler::new();
- let b_chan_handler = test_utils::TestChannelMessageHandler::new();
+ let a_chan_handler = test_utils::TestChannelMessageHandler::new(ChainHash::using_genesis_block(Network::Testnet));
+ let b_chan_handler = test_utils::TestChannelMessageHandler::new(ChainHash::using_genesis_block(Network::Testnet));
let mut peers = create_network(2, &cfgs);
let (fd_a, mut fd_b) = establish_connection(&peers[0], &peers[1]);
assert_eq!(peers[0].peers.read().unwrap().len(), 1);
projects / rust-lightning / commitdiff