X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Fgossip.rs;h=b169b356f3f28101e3f521bd18a67e96657babe0;hb=2c71923a5add91f984f34d27febdc4d3eed1624f;hp=2fbbcb147d075aa64cf4d5b2fc5ca64aae009c1f;hpb=36e434d8cefe6b533a2ab378d2d65923433df373;p=rust-lightning diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs index 2fbbcb14..b169b356 100644 --- a/lightning/src/routing/gossip.rs +++ b/lightning/src/routing/gossip.rs @@ -21,7 +21,7 @@ use bitcoin::hashes::Hash; use bitcoin::network::constants::Network; use crate::events::{MessageSendEvent, MessageSendEventsProvider}; -use crate::ln::ChannelId; +use crate::ln::types::ChannelId; use crate::ln::features::{ChannelFeatures, NodeFeatures, InitFeatures}; use crate::ln::msgs::{DecodeError, ErrorAction, Init, LightningError, RoutingMessageHandler, SocketAddress, MAX_VALUE_MSAT}; use crate::ln::msgs::{ChannelAnnouncement, ChannelUpdate, NodeAnnouncement, GossipTimestampFilter}; @@ -38,7 +38,6 @@ use crate::io; use crate::io_extras::{copy, sink}; use crate::prelude::*; use core::{cmp, fmt}; -use core::convert::TryFrom; use crate::sync::{RwLock, RwLockReadGuard, LockTestExt}; #[cfg(feature = "std")] use core::sync::atomic::{AtomicUsize, Ordering}; @@ -74,6 +73,16 @@ impl NodeId { NodeId(pubkey.serialize()) } + /// Create a new NodeId from a slice of bytes + pub fn from_slice(bytes: &[u8]) -> Result { + if bytes.len() != PUBLIC_KEY_SIZE { + return Err(DecodeError::InvalidValue); + } + let mut data = [0; PUBLIC_KEY_SIZE]; + data.copy_from_slice(bytes); + Ok(NodeId(data)) + } + /// Get the public key slice from this NodeId pub fn as_slice(&self) -> &[u8] { &self.0 @@ -870,6 +879,7 @@ impl ChannelInfo { /// Returns a [`DirectedChannelInfo`] for the channel directed to the given `target` from a /// returned `source`, or `None` if `target` is not one of the channel's counterparties. pub fn as_directed_to(&self, target: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> { + if self.one_to_two.is_none() || self.two_to_one.is_none() { return None; } let (direction, source, outbound) = { if target == &self.node_one { (self.two_to_one.as_ref(), &self.node_two, false) @@ -879,12 +889,14 @@ impl ChannelInfo { return None; } }; - direction.map(|dir| (DirectedChannelInfo::new(self, dir, outbound), source)) + let dir = direction.expect("We checked that both directions are available at the start"); + Some((DirectedChannelInfo::new(self, dir, outbound), source)) } /// Returns a [`DirectedChannelInfo`] for the channel directed from the given `source` to a /// returned `target`, or `None` if `source` is not one of the channel's counterparties. pub fn as_directed_from(&self, source: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> { + if self.one_to_two.is_none() || self.two_to_one.is_none() { return None; } let (direction, target, outbound) = { if source == &self.node_one { (self.one_to_two.as_ref(), &self.node_two, true) @@ -894,7 +906,8 @@ impl ChannelInfo { return None; } }; - direction.map(|dir| (DirectedChannelInfo::new(self, dir, outbound), target)) + let dir = direction.expect("We checked that both directions are available at the start"); + Some((DirectedChannelInfo::new(self, dir, outbound), target)) } /// Returns a [`ChannelUpdateInfo`] based on the direction implied by the channel_flag. @@ -1231,6 +1244,18 @@ pub struct NodeInfo { pub announcement_info: Option } +impl NodeInfo { + /// Returns whether the node has only announced Tor addresses. + pub fn is_tor_only(&self) -> bool { + self.announcement_info + .as_ref() + .map(|info| info.addresses()) + .and_then(|addresses| (!addresses.is_empty()).then(|| addresses)) + .map(|addresses| addresses.iter().all(|address| address.is_tor())) + .unwrap_or(false) + } +} + impl fmt::Display for NodeInfo { fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { write!(f, " channels: {:?}, announcement_info: {:?}", @@ -2089,6 +2114,7 @@ pub(crate) mod tests { use crate::ln::chan_utils::make_funding_redeemscript; #[cfg(feature = "std")] use crate::ln::features::InitFeatures; + use crate::ln::msgs::SocketAddress; use crate::routing::gossip::{P2PGossipSync, NetworkGraph, NetworkUpdate, NodeAlias, MAX_EXCESS_BYTES_FOR_RELAY, NodeId, RoutingFees, ChannelUpdateInfo, ChannelInfo, NodeAnnouncementInfo, NodeInfo}; use crate::routing::utxo::{UtxoLookupError, UtxoResult}; use crate::ln::msgs::{RoutingMessageHandler, UnsignedNodeAnnouncement, NodeAnnouncement, @@ -2096,7 +2122,7 @@ pub(crate) mod tests { ReplyChannelRange, QueryChannelRange, QueryShortChannelIds, MAX_VALUE_MSAT}; use crate::util::config::UserConfig; use crate::util::test_utils; - use crate::util::ser::{ReadableArgs, Readable, Writeable}; + use crate::util::ser::{Hostname, ReadableArgs, Readable, Writeable}; use crate::util::scid_utils::scid_from_parts; use crate::routing::gossip::REMOVED_ENTRIES_TRACKING_AGE_LIMIT_SECS; @@ -3474,6 +3500,112 @@ pub(crate) mod tests { let node_id = NodeId([42; 33]); assert_eq!(format!("{}", &node_id), "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a"); } + + #[test] + fn is_tor_only_node() { + let network_graph = create_network_graph(); + let (secp_ctx, gossip_sync) = create_gossip_sync(&network_graph); + + let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap(); + let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap(); + let node_1_id = NodeId::from_pubkey(&PublicKey::from_secret_key(&secp_ctx, node_1_privkey)); + + let announcement = get_signed_channel_announcement(|_| {}, node_1_privkey, node_2_privkey, &secp_ctx); + gossip_sync.handle_channel_announcement(&announcement).unwrap(); + + let tcp_ip_v4 = SocketAddress::TcpIpV4 { + addr: [255, 254, 253, 252], + port: 9735 + }; + let tcp_ip_v6 = SocketAddress::TcpIpV6 { + addr: [255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240], + port: 9735 + }; + let onion_v2 = SocketAddress::OnionV2([255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 38, 7]); + let onion_v3 = SocketAddress::OnionV3 { + ed25519_pubkey: [255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224], + checksum: 32, + version: 16, + port: 9735 + }; + let hostname = SocketAddress::Hostname { + hostname: Hostname::try_from(String::from("host")).unwrap(), + port: 9735, + }; + + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement(|_| {}, node_1_privkey, &secp_ctx); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![ + tcp_ip_v4.clone(), tcp_ip_v6.clone(), onion_v2.clone(), onion_v3.clone(), + hostname.clone() + ]; + announcement.timestamp += 1000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![ + tcp_ip_v4.clone(), tcp_ip_v6.clone(), onion_v2.clone(), onion_v3.clone() + ]; + announcement.timestamp += 2000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![ + tcp_ip_v6.clone(), onion_v2.clone(), onion_v3.clone() + ]; + announcement.timestamp += 3000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![onion_v2.clone(), onion_v3.clone()]; + announcement.timestamp += 4000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![onion_v2.clone()]; + announcement.timestamp += 5000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + + let announcement = get_signed_node_announcement( + |announcement| { + announcement.addresses = vec![tcp_ip_v4.clone()]; + announcement.timestamp += 6000; + }, + node_1_privkey, &secp_ctx + ); + gossip_sync.handle_node_announcement(&announcement).unwrap(); + assert!(!network_graph.read_only().node(&node_1_id).unwrap().is_tor_only()); + } } #[cfg(ldk_bench)]