//! The [`NetworkGraph`] stores the network gossip and [`P2PGossipSync`] fetches it from peers
+use bitcoin::blockdata::constants::ChainHash;
+
use bitcoin::secp256k1::constants::PUBLIC_KEY_SIZE;
-use bitcoin::secp256k1::PublicKey;
+use bitcoin::secp256k1::{PublicKey, Verification};
use bitcoin::secp256k1::Secp256k1;
use bitcoin::secp256k1;
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hashes::Hash;
use bitcoin::hashes::hex::FromHex;
-use bitcoin::hash_types::BlockHash;
use bitcoin::network::constants::Network;
-use bitcoin::blockdata::constants::genesis_block;
use crate::events::{MessageSendEvent, MessageSendEventsProvider};
+use crate::ln::ChannelId;
use crate::ln::features::{ChannelFeatures, NodeFeatures, InitFeatures};
-use crate::ln::msgs::{DecodeError, ErrorAction, Init, LightningError, RoutingMessageHandler, NetAddress, MAX_VALUE_MSAT};
+use crate::ln::msgs::{DecodeError, ErrorAction, Init, LightningError, RoutingMessageHandler, SocketAddress, MAX_VALUE_MSAT};
use crate::ln::msgs::{ChannelAnnouncement, ChannelUpdate, NodeAnnouncement, GossipTimestampFilter};
use crate::ln::msgs::{QueryChannelRange, ReplyChannelRange, QueryShortChannelIds, ReplyShortChannelIdsEnd};
use crate::ln::msgs;
use crate::prelude::*;
use core::{cmp, fmt};
use core::convert::TryFrom;
-use crate::sync::{RwLock, RwLockReadGuard};
+use crate::sync::{RwLock, RwLockReadGuard, LockTestExt};
#[cfg(feature = "std")]
use core::sync::atomic::{AtomicUsize, Ordering};
use crate::sync::Mutex;
impl fmt::Debug for NodeId {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "NodeId({})", log_bytes!(self.0))
+ write!(f, "NodeId({})", crate::util::logger::DebugBytes(&self.0))
}
}
impl fmt::Display for NodeId {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "{}", log_bytes!(self.0))
+ crate::util::logger::DebugBytes(&self.0).fmt(f)
}
}
pub struct NetworkGraph<L: Deref> where L::Target: Logger {
secp_ctx: Secp256k1<secp256k1::VerifyOnly>,
last_rapid_gossip_sync_timestamp: Mutex<Option<u32>>,
- genesis_hash: BlockHash,
+ chain_hash: ChainHash,
logger: L,
// Lock order: channels -> nodes
channels: RwLock<IndexedMap<u64, ChannelInfo>>,
where U::Target: UtxoLookup, L::Target: Logger
{
network_graph: G,
- utxo_lookup: Option<U>,
+ utxo_lookup: RwLock<Option<U>>,
#[cfg(feature = "std")]
full_syncs_requested: AtomicUsize,
pending_events: Mutex<Vec<MessageSendEvent>>,
network_graph,
#[cfg(feature = "std")]
full_syncs_requested: AtomicUsize::new(0),
- utxo_lookup,
+ utxo_lookup: RwLock::new(utxo_lookup),
pending_events: Mutex::new(vec![]),
logger,
}
/// Adds a provider used to check new announcements. Does not affect
/// existing announcements unless they are updated.
/// Add, update or remove the provider would replace the current one.
- pub fn add_utxo_lookup(&mut self, utxo_lookup: Option<U>) {
- self.utxo_lookup = utxo_lookup;
+ pub fn add_utxo_lookup(&self, utxo_lookup: Option<U>) {
+ *self.utxo_lookup.write().unwrap() = utxo_lookup;
}
/// Gets a reference to the underlying [`NetworkGraph`] which was provided in
impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
/// Handles any network updates originating from [`Event`]s.
+ //
+ /// Note that this will skip applying any [`NetworkUpdate::ChannelUpdateMessage`] to avoid
+ /// leaking possibly identifying information of the sender to the public network.
///
/// [`Event`]: crate::events::Event
pub fn handle_network_update(&self, network_update: &NetworkUpdate) {
let short_channel_id = msg.contents.short_channel_id;
let is_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
let status = if is_enabled { "enabled" } else { "disabled" };
- log_debug!(self.logger, "Updating channel with channel_update from a payment failure. Channel {} is {}.", short_channel_id, status);
- let _ = self.update_channel(msg);
+ log_debug!(self.logger, "Skipping application of a channel update from a payment failure. Channel {} is {}.", short_channel_id, status);
},
NetworkUpdate::ChannelFailure { short_channel_id, is_permanent } => {
if is_permanent {
},
}
}
+
+ /// Gets the chain hash for this network graph.
+ pub fn get_chain_hash(&self) -> ChainHash {
+ self.chain_hash
+ }
}
macro_rules! secp_verify_sig {
err: format!("Invalid signature on {} message", $msg_type),
action: ErrorAction::SendWarningMessage {
msg: msgs::WarningMessage {
- channel_id: [0; 32],
+ channel_id: ChannelId::new_zero(),
data: format!("Invalid signature on {} message", $msg_type),
},
log_level: Level::Trace,
err: format!("Invalid public key on {} message", $msg_type),
action: ErrorAction::SendWarningMessage {
msg: msgs::WarningMessage {
- channel_id: [0; 32],
+ channel_id: ChannelId::new_zero(),
data: format!("Invalid public key on {} message", $msg_type),
},
log_level: Level::Trace
}
}
+/// Verifies the signature of a [`NodeAnnouncement`].
+///
+/// Returns an error if it is invalid.
+pub fn verify_node_announcement<C: Verification>(msg: &NodeAnnouncement, secp_ctx: &Secp256k1<C>) -> Result<(), LightningError> {
+ let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.signature, &get_pubkey_from_node_id!(msg.contents.node_id, "node_announcement"), "node_announcement");
+
+ Ok(())
+}
+
+/// Verifies all signatures included in a [`ChannelAnnouncement`].
+///
+/// Returns an error if one of the signatures is invalid.
+pub fn verify_channel_announcement<C: Verification>(msg: &ChannelAnnouncement, secp_ctx: &Secp256k1<C>) -> Result<(), LightningError> {
+ let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.node_signature_1, &get_pubkey_from_node_id!(msg.contents.node_id_1, "channel_announcement"), "channel_announcement");
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.node_signature_2, &get_pubkey_from_node_id!(msg.contents.node_id_2, "channel_announcement"), "channel_announcement");
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.bitcoin_signature_1, &get_pubkey_from_node_id!(msg.contents.bitcoin_key_1, "channel_announcement"), "channel_announcement");
+ secp_verify_sig!(secp_ctx, &msg_hash, &msg.bitcoin_signature_2, &get_pubkey_from_node_id!(msg.contents.bitcoin_key_2, "channel_announcement"), "channel_announcement");
+
+ Ok(())
+}
+
impl<G: Deref<Target=NetworkGraph<L>>, U: Deref, L: Deref> RoutingMessageHandler for P2PGossipSync<G, U, L>
where U::Target: UtxoLookup, L::Target: Logger
{
}
fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
- self.network_graph.update_channel_from_announcement(msg, &self.utxo_lookup)?;
+ self.network_graph.update_channel_from_announcement(msg, &*self.utxo_lookup.read().unwrap())?;
Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY)
}
pending_events.push(MessageSendEvent::SendGossipTimestampFilter {
node_id: their_node_id.clone(),
msg: GossipTimestampFilter {
- chain_hash: self.network_graph.genesis_hash,
+ chain_hash: self.network_graph.chain_hash,
first_timestamp: gossip_start_time as u32, // 2106 issue!
timestamp_range: u32::max_value(),
},
let exclusive_end_scid = scid_from_parts(cmp::min(msg.end_blocknum() as u64, MAX_SCID_BLOCK), 0, 0);
// Per spec, we must reply to a query. Send an empty message when things are invalid.
- if msg.chain_hash != self.network_graph.genesis_hash || inclusive_start_scid.is_err() || exclusive_end_scid.is_err() || msg.number_of_blocks == 0 {
+ if msg.chain_hash != self.network_graph.chain_hash || inclusive_start_scid.is_err() || exclusive_end_scid.is_err() || msg.number_of_blocks == 0 {
let mut pending_events = self.pending_events.lock().unwrap();
pending_events.push(MessageSendEvent::SendReplyChannelRange {
node_id: their_node_id.clone(),
impl fmt::Display for ChannelInfo {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
write!(f, "features: {}, node_one: {}, one_to_two: {:?}, node_two: {}, two_to_one: {:?}",
- log_bytes!(self.features.encode()), log_bytes!(self.node_one.as_slice()), self.one_to_two, log_bytes!(self.node_two.as_slice()), self.two_to_one)?;
+ log_bytes!(self.features.encode()), &self.node_one, self.one_to_two, &self.node_two, self.two_to_one)?;
Ok(())
}
}
htlc_maximum_msat = cmp::min(htlc_maximum_msat, capacity_msat);
EffectiveCapacity::Total { capacity_msat, htlc_maximum_msat: htlc_maximum_msat }
},
- None => EffectiveCapacity::MaximumHTLC { amount_msat: htlc_maximum_msat },
+ None => EffectiveCapacity::AdvertisedMaxHTLC { amount_msat: htlc_maximum_msat },
};
Self {
liquidity_msat: u64,
},
/// The maximum HTLC amount in one direction as advertised on the gossip network.
- MaximumHTLC {
+ AdvertisedMaxHTLC {
/// The maximum HTLC amount denominated in millisatoshi.
amount_msat: u64,
},
/// A capacity sufficient to route any payment, typically used for private channels provided by
/// an invoice.
Infinite,
+ /// The maximum HTLC amount as provided by an invoice route hint.
+ HintMaxHTLC {
+ /// The maximum HTLC amount denominated in millisatoshi.
+ amount_msat: u64,
+ },
/// A capacity that is unknown possibly because either the chain state is unavailable to know
/// the total capacity or the `htlc_maximum_msat` was not advertised on the gossip network.
Unknown,
pub fn as_msat(&self) -> u64 {
match self {
EffectiveCapacity::ExactLiquidity { liquidity_msat } => *liquidity_msat,
- EffectiveCapacity::MaximumHTLC { amount_msat } => *amount_msat,
+ EffectiveCapacity::AdvertisedMaxHTLC { amount_msat } => *amount_msat,
EffectiveCapacity::Total { capacity_msat, .. } => *capacity_msat,
+ EffectiveCapacity::HintMaxHTLC { amount_msat } => *amount_msat,
EffectiveCapacity::Infinite => u64::max_value(),
EffectiveCapacity::Unknown => UNKNOWN_CHANNEL_CAPACITY_MSAT,
}
}
/// Fees for routing via a given channel or a node
-#[derive(Eq, PartialEq, Copy, Clone, Debug, Hash)]
+#[derive(Eq, PartialEq, Copy, Clone, Debug, Hash, Ord, PartialOrd)]
pub struct RoutingFees {
/// Flat routing fee in millisatoshis.
pub base_msat: u32,
impl NodeAnnouncementInfo {
/// Internet-level addresses via which one can connect to the node
- pub fn addresses(&self) -> &[NetAddress] {
+ pub fn addresses(&self) -> &[SocketAddress] {
self.announcement_message.as_ref()
.map(|msg| msg.contents.addresses.as_slice())
.unwrap_or_default()
impl Writeable for NodeAnnouncementInfo {
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
- let empty_addresses = Vec::<NetAddress>::new();
+ let empty_addresses = Vec::<SocketAddress>::new();
write_tlv_fields!(writer, {
(0, self.features, required),
(2, self.last_update, required),
(4, self.rgb, required),
(6, self.alias, required),
(8, self.announcement_message, option),
- (10, empty_addresses, vec_type), // Versions prior to 0.0.115 require this field
+ (10, empty_addresses, required_vec), // Versions prior to 0.0.115 require this field
});
Ok(())
}
}
impl Readable for NodeAnnouncementInfo {
- fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
- _init_and_read_tlv_fields!(reader, {
+ fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
+ _init_and_read_len_prefixed_tlv_fields!(reader, {
(0, features, required),
(2, last_update, required),
(4, rgb, required),
(6, alias, required),
(8, announcement_message, option),
- (10, _addresses, vec_type), // deprecated, not used anymore
+ (10, _addresses, optional_vec), // deprecated, not used anymore
});
- let _: Option<Vec<NetAddress>> = _addresses;
+ let _: Option<Vec<SocketAddress>> = _addresses;
Ok(Self { features: features.0.unwrap(), last_update: last_update.0.unwrap(), rgb: rgb.0.unwrap(),
alias: alias.0.unwrap(), announcement_message })
- }
+ }
}
/// A user-defined name for a node, which may be used when displaying the node in a graph.
write_tlv_fields!(writer, {
// Note that older versions of LDK wrote the lowest inbound fees here at type 0
(2, self.announcement_info, option),
- (4, self.channels, vec_type),
+ (4, self.channels, required_vec),
});
Ok(())
}
}
// A wrapper allowing for the optional deserialization of `NodeAnnouncementInfo`. Utilizing this is
-// necessary to maintain compatibility with previous serializations of `NetAddress` that have an
+// necessary to maintain compatibility with previous serializations of `SocketAddress` that have an
// invalid hostname set. We ignore and eat all errors until we are either able to read a
// `NodeAnnouncementInfo` or hit a `ShortRead`, i.e., read the TLV field to the end.
struct NodeAnnouncementInfoDeserWrapper(NodeAnnouncementInfo);
// with zero inbound fees, causing that heuristic to provide little gain. Worse, because it
// requires additional complexity and lookups during routing, it ends up being a
// performance loss. Thus, we simply ignore the old field here and no longer track it.
- let mut _lowest_inbound_channel_fees: Option<RoutingFees> = None;
- let mut announcement_info_wrap: Option<NodeAnnouncementInfoDeserWrapper> = None;
- _init_tlv_field_var!(channels, vec_type);
-
- read_tlv_fields!(reader, {
+ _init_and_read_len_prefixed_tlv_fields!(reader, {
(0, _lowest_inbound_channel_fees, option),
(2, announcement_info_wrap, upgradable_option),
- (4, channels, vec_type),
+ (4, channels, required_vec),
});
+ let _: Option<RoutingFees> = _lowest_inbound_channel_fees;
+ let announcement_info_wrap: Option<NodeAnnouncementInfoDeserWrapper> = announcement_info_wrap;
Ok(NodeInfo {
announcement_info: announcement_info_wrap.map(|w| w.0),
- channels: _init_tlv_based_struct_field!(channels, vec_type),
+ channels,
})
}
}
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
- self.genesis_hash.write(writer)?;
+ self.chain_hash.write(writer)?;
let channels = self.channels.read().unwrap();
(channels.len() as u64).write(writer)?;
for (ref chan_id, ref chan_info) in channels.unordered_iter() {
fn read<R: io::Read>(reader: &mut R, logger: L) -> Result<NetworkGraph<L>, DecodeError> {
let _ver = read_ver_prefix!(reader, SERIALIZATION_VERSION);
- let genesis_hash: BlockHash = Readable::read(reader)?;
+ let chain_hash: ChainHash = Readable::read(reader)?;
let channels_count: u64 = Readable::read(reader)?;
let mut channels = IndexedMap::new();
for _ in 0..channels_count {
Ok(NetworkGraph {
secp_ctx: Secp256k1::verification_only(),
- genesis_hash,
+ chain_hash,
logger,
channels: RwLock::new(channels),
nodes: RwLock::new(nodes),
}
writeln!(f, "[Nodes]")?;
for (&node_id, val) in self.nodes.read().unwrap().unordered_iter() {
- writeln!(f, " {}: {}", log_bytes!(node_id.as_slice()), val)?;
+ writeln!(f, " {}: {}", &node_id, val)?;
}
Ok(())
}
impl<L: Deref> Eq for NetworkGraph<L> where L::Target: Logger {}
impl<L: Deref> PartialEq for NetworkGraph<L> where L::Target: Logger {
fn eq(&self, other: &Self) -> bool {
- self.genesis_hash == other.genesis_hash &&
- *self.channels.read().unwrap() == *other.channels.read().unwrap() &&
- *self.nodes.read().unwrap() == *other.nodes.read().unwrap()
+ // For a total lockorder, sort by position in memory and take the inner locks in that order.
+ // (Assumes that we can't move within memory while a lock is held).
+ let ord = ((self as *const _) as usize) < ((other as *const _) as usize);
+ let a = if ord { (&self.channels, &self.nodes) } else { (&other.channels, &other.nodes) };
+ let b = if ord { (&other.channels, &other.nodes) } else { (&self.channels, &self.nodes) };
+ let (channels_a, channels_b) = (a.0.unsafe_well_ordered_double_lock_self(), b.0.unsafe_well_ordered_double_lock_self());
+ let (nodes_a, nodes_b) = (a.1.unsafe_well_ordered_double_lock_self(), b.1.unsafe_well_ordered_double_lock_self());
+ self.chain_hash.eq(&other.chain_hash) && channels_a.eq(&channels_b) && nodes_a.eq(&nodes_b)
}
}
pub fn new(network: Network, logger: L) -> NetworkGraph<L> {
Self {
secp_ctx: Secp256k1::verification_only(),
- genesis_hash: genesis_block(network).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(network),
logger,
channels: RwLock::new(IndexedMap::new()),
nodes: RwLock::new(IndexedMap::new()),
/// RoutingMessageHandler implementation to call it indirectly. This may be useful to accept
/// routing messages from a source using a protocol other than the lightning P2P protocol.
pub fn update_node_from_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<(), LightningError> {
- let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &get_pubkey_from_node_id!(msg.contents.node_id, "node_announcement"), "node_announcement");
+ verify_node_announcement(msg, &self.secp_ctx)?;
self.update_node_from_announcement_intern(&msg.contents, Some(&msg))
}
where
U::Target: UtxoLookup,
{
- let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.node_signature_1, &get_pubkey_from_node_id!(msg.contents.node_id_1, "channel_announcement"), "channel_announcement");
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.node_signature_2, &get_pubkey_from_node_id!(msg.contents.node_id_2, "channel_announcement"), "channel_announcement");
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_1, &get_pubkey_from_node_id!(msg.contents.bitcoin_key_1, "channel_announcement"), "channel_announcement");
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_2, &get_pubkey_from_node_id!(msg.contents.bitcoin_key_2, "channel_announcement"), "channel_announcement");
+ verify_channel_announcement(msg, &self.secp_ctx)?;
self.update_channel_from_unsigned_announcement_intern(&msg.contents, Some(msg), utxo_lookup)
}
let node_id_a = channel_info.node_one.clone();
let node_id_b = channel_info.node_two.clone();
+ log_gossip!(self.logger, "Adding channel {} between nodes {} and {}", short_channel_id, node_id_a, node_id_b);
+
match channels.entry(short_channel_id) {
IndexedMapEntry::Occupied(mut entry) => {
//TODO: because asking the blockchain if short_channel_id is valid is only optional
return Err(LightningError{err: "Channel announcement node had a channel with itself".to_owned(), action: ErrorAction::IgnoreError});
}
- if msg.chain_hash != self.genesis_hash {
+ if msg.chain_hash != self.chain_hash {
return Err(LightningError {
- err: "Channel announcement chain hash does not match genesis hash".to_owned(),
+ err: "Channel announcement chain hash does not match genesis hash".to_owned(),
action: ErrorAction::IgnoreAndLog(Level::Debug),
});
}
let mut scids_to_remove = Vec::new();
for (scid, info) in channels.unordered_iter_mut() {
if info.one_to_two.is_some() && info.one_to_two.as_ref().unwrap().last_update < min_time_unix {
+ log_gossip!(self.logger, "Removing directional update one_to_two (0) for channel {} due to its timestamp {} being below {}",
+ scid, info.one_to_two.as_ref().unwrap().last_update, min_time_unix);
info.one_to_two = None;
}
if info.two_to_one.is_some() && info.two_to_one.as_ref().unwrap().last_update < min_time_unix {
+ log_gossip!(self.logger, "Removing directional update two_to_one (1) for channel {} due to its timestamp {} being below {}",
+ scid, info.two_to_one.as_ref().unwrap().last_update, min_time_unix);
info.two_to_one = None;
}
if info.one_to_two.is_none() || info.two_to_one.is_none() {
// We check the announcement_received_time here to ensure we don't drop
// announcements that we just received and are just waiting for our peer to send a
// channel_update for.
- if info.announcement_received_time < min_time_unix as u64 {
+ let announcement_received_timestamp = info.announcement_received_time;
+ if announcement_received_timestamp < min_time_unix as u64 {
+ log_gossip!(self.logger, "Removing channel {} because both directional updates are missing and its announcement timestamp {} being below {}",
+ scid, announcement_received_timestamp, min_time_unix);
scids_to_remove.push(*scid);
}
}
/// For an already known (from announcement) channel, update info about one of the directions
/// of the channel.
///
- /// You probably don't want to call this directly, instead relying on a P2PGossipSync's
- /// RoutingMessageHandler implementation to call it indirectly. This may be useful to accept
+ /// You probably don't want to call this directly, instead relying on a [`P2PGossipSync`]'s
+ /// [`RoutingMessageHandler`] implementation to call it indirectly. This may be useful to accept
/// routing messages from a source using a protocol other than the lightning P2P protocol.
///
/// If built with `no-std`, any updates with a timestamp more than two weeks in the past or
/// materially in the future will be rejected.
pub fn update_channel(&self, msg: &msgs::ChannelUpdate) -> Result<(), LightningError> {
- self.update_channel_intern(&msg.contents, Some(&msg), Some(&msg.signature))
+ self.update_channel_internal(&msg.contents, Some(&msg), Some(&msg.signature), false)
}
/// For an already known (from announcement) channel, update info about one of the directions
/// If built with `no-std`, any updates with a timestamp more than two weeks in the past or
/// materially in the future will be rejected.
pub fn update_channel_unsigned(&self, msg: &msgs::UnsignedChannelUpdate) -> Result<(), LightningError> {
- self.update_channel_intern(msg, None, None)
+ self.update_channel_internal(msg, None, None, false)
}
- fn update_channel_intern(&self, msg: &msgs::UnsignedChannelUpdate, full_msg: Option<&msgs::ChannelUpdate>, sig: Option<&secp256k1::ecdsa::Signature>) -> Result<(), LightningError> {
+ /// For an already known (from announcement) channel, verify the given [`ChannelUpdate`].
+ ///
+ /// This checks whether the update currently is applicable by [`Self::update_channel`].
+ ///
+ /// If built with `no-std`, any updates with a timestamp more than two weeks in the past or
+ /// materially in the future will be rejected.
+ pub fn verify_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<(), LightningError> {
+ self.update_channel_internal(&msg.contents, Some(&msg), Some(&msg.signature), true)
+ }
+
+ fn update_channel_internal(&self, msg: &msgs::UnsignedChannelUpdate,
+ full_msg: Option<&msgs::ChannelUpdate>, sig: Option<&secp256k1::ecdsa::Signature>,
+ only_verify: bool) -> Result<(), LightningError>
+ {
let chan_enabled = msg.flags & (1 << 1) != (1 << 1);
- if msg.chain_hash != self.genesis_hash {
+ if msg.chain_hash != self.chain_hash {
return Err(LightningError {
err: "Channel update chain hash does not match genesis hash".to_owned(),
action: ErrorAction::IgnoreAndLog(Level::Debug),
}
}
+ log_gossip!(self.logger, "Updating channel {} in direction {} with timestamp {}", msg.short_channel_id, msg.flags & 1, msg.timestamp);
+
let mut channels = self.channels.write().unwrap();
match channels.get_mut(&msg.short_channel_id) {
None => {
action: ErrorAction::IgnoreAndLog(Level::Debug)
})?, "channel_update");
}
- channel.two_to_one = get_new_channel_info!();
+ if !only_verify {
+ channel.two_to_one = get_new_channel_info!();
+ }
} else {
check_update_latest!(channel.one_to_two);
if let Some(sig) = sig {
action: ErrorAction::IgnoreAndLog(Level::Debug)
})?, "channel_update");
}
- channel.one_to_two = get_new_channel_info!();
+ if !only_verify {
+ channel.one_to_two = get_new_channel_info!();
+ }
}
}
}
/// Get network addresses by node id.
/// Returns None if the requested node is completely unknown,
/// or if node announcement for the node was never received.
- pub fn get_addresses(&self, pubkey: &PublicKey) -> Option<Vec<NetAddress>> {
+ pub fn get_addresses(&self, pubkey: &PublicKey) -> Option<Vec<SocketAddress>> {
self.nodes.get(&NodeId::from_pubkey(&pubkey))
.and_then(|node| node.announcement_info.as_ref().map(|ann| ann.addresses().to_vec()))
}
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
- use bitcoin::blockdata::constants::genesis_block;
+ use bitcoin::blockdata::constants::ChainHash;
use bitcoin::blockdata::script::Script;
use bitcoin::blockdata::transaction::TxOut;
let mut unsigned_announcement = UnsignedChannelAnnouncement {
features: channelmanager::provided_channel_features(&UserConfig::default()),
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 0,
node_id_1: NodeId::from_pubkey(&node_id_1),
node_id_2: NodeId::from_pubkey(&node_id_2),
pub(crate) fn get_signed_channel_update<F: Fn(&mut UnsignedChannelUpdate)>(f: F, node_key: &SecretKey, secp_ctx: &Secp256k1<secp256k1::All>) -> ChannelUpdate {
let mut unsigned_channel_update = UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 0,
timestamp: 100,
flags: 0,
// Test that channel announcements with the wrong chain hash are ignored (network graph is testnet,
// announcement is mainnet).
let incorrect_chain_announcement = get_signed_channel_announcement(|unsigned_announcement| {
- unsigned_announcement.chain_hash = genesis_block(Network::Bitcoin).header.block_hash();
+ unsigned_announcement.chain_hash = ChainHash::using_genesis_block(Network::Bitcoin);
}, node_1_privkey, node_2_privkey, &secp_ctx);
match gossip_sync.handle_channel_announcement(&incorrect_chain_announcement) {
Ok(_) => panic!(),
}
let valid_channel_update = get_signed_channel_update(|_| {}, node_1_privkey, &secp_ctx);
+ network_graph.verify_channel_update(&valid_channel_update).unwrap();
match gossip_sync.handle_channel_update(&valid_channel_update) {
Ok(res) => assert!(res),
_ => panic!(),
// Test that channel updates with the wrong chain hash are ignored (network graph is testnet, channel
// update is mainet).
let incorrect_chain_update = get_signed_channel_update(|unsigned_channel_update| {
- unsigned_channel_update.chain_hash = genesis_block(Network::Bitcoin).header.block_hash();
+ unsigned_channel_update.chain_hash = ChainHash::using_genesis_block(Network::Bitcoin);
}, node_1_privkey, &secp_ctx);
match gossip_sync.handle_channel_update(&incorrect_chain_update) {
let short_channel_id;
{
- // Announce a channel we will update
+ // Check we won't apply an update via `handle_network_update` for privacy reasons, but
+ // can continue fine if we manually apply it.
let valid_channel_announcement = get_signed_channel_announcement(|_| {}, node_1_privkey, node_2_privkey, &secp_ctx);
short_channel_id = valid_channel_announcement.contents.short_channel_id;
let chain_source: Option<&test_utils::TestChainSource> = None;
assert!(network_graph.read_only().channels().get(&short_channel_id).unwrap().one_to_two.is_none());
network_graph.handle_network_update(&NetworkUpdate::ChannelUpdateMessage {
- msg: valid_channel_update,
+ msg: valid_channel_update.clone(),
});
- assert!(network_graph.read_only().channels().get(&short_channel_id).unwrap().one_to_two.is_some());
+ assert!(network_graph.read_only().channels().get(&short_channel_id).unwrap().one_to_two.is_none());
+ network_graph.update_channel(&valid_channel_update).unwrap();
}
// Non-permanent failure doesn't touch the channel at all
let node_privkey_1 = &SecretKey::from_slice(&[42; 32]).unwrap();
let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_privkey_1);
- let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+ let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
// It should ignore if gossip_queries feature is not enabled
{
- let init_msg = Init { features: InitFeatures::empty(), remote_network_address: None };
+ let init_msg = Init { features: InitFeatures::empty(), networks: None, remote_network_address: None };
gossip_sync.peer_connected(&node_id_1, &init_msg, true).unwrap();
let events = gossip_sync.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 0);
{
let mut features = InitFeatures::empty();
features.set_gossip_queries_optional();
- let init_msg = Init { features, remote_network_address: None };
+ let init_msg = Init { features, networks: None, remote_network_address: None };
gossip_sync.peer_connected(&node_id_1, &init_msg, true).unwrap();
let events = gossip_sync.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
let network_graph = create_network_graph();
let (secp_ctx, gossip_sync) = create_gossip_sync(&network_graph);
- let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+ let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
&gossip_sync,
&node_id_2,
QueryChannelRange {
- chain_hash: genesis_block(Network::Bitcoin).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
first_blocknum: 0,
number_of_blocks: 0xffff_ffff,
},
false,
vec![ReplyChannelRange {
- chain_hash: genesis_block(Network::Bitcoin).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
first_blocknum: 0,
number_of_blocks: 0xffff_ffff,
sync_complete: true,
let node_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
let node_id = PublicKey::from_secret_key(&secp_ctx, node_privkey);
- let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+ let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
let result = gossip_sync.handle_query_short_channel_ids(&node_id, QueryShortChannelIds {
chain_hash,
// This serialized info has an address field but no announcement_message, therefore the addresses returned by our function will still be empty
assert!(ann_info_with_addresses.addresses().is_empty());
}
+
+ #[test]
+ fn test_node_id_display() {
+ let node_id = NodeId([42; 33]);
+ assert_eq!(format!("{}", &node_id), "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a");
+ }
}
-#[cfg(all(test, feature = "_bench_unstable"))]
-mod benches {
+#[cfg(ldk_bench)]
+pub mod benches {
use super::*;
-
- use test::Bencher;
use std::io::Read;
+ use criterion::{black_box, Criterion};
- #[bench]
- fn read_network_graph(bench: &mut Bencher) {
+ pub fn read_network_graph(bench: &mut Criterion) {
let logger = crate::util::test_utils::TestLogger::new();
let mut d = crate::routing::router::bench_utils::get_route_file().unwrap();
let mut v = Vec::new();
d.read_to_end(&mut v).unwrap();
- bench.iter(|| {
- let _ = NetworkGraph::read(&mut std::io::Cursor::new(&v), &logger).unwrap();
- });
+ bench.bench_function("read_network_graph", |b| b.iter(||
+ NetworkGraph::read(&mut std::io::Cursor::new(black_box(&v)), &logger).unwrap()
+ ));
}
- #[bench]
- fn write_network_graph(bench: &mut Bencher) {
+ pub fn write_network_graph(bench: &mut Criterion) {
let logger = crate::util::test_utils::TestLogger::new();
let mut d = crate::routing::router::bench_utils::get_route_file().unwrap();
let net_graph = NetworkGraph::read(&mut d, &logger).unwrap();
- bench.iter(|| {
- let _ = net_graph.encode();
- });
+ bench.bench_function("write_network_graph", |b| b.iter(||
+ black_box(&net_graph).encode()
+ ));
}
}
projects / rust-lightning / blobdiff