//! interrogate it to get routes for your own payments.
use bitcoin::secp256k1::key::PublicKey;
-use bitcoin::secp256k1::Secp256k1;
-use bitcoin::secp256k1;
-use bitcoin::hashes::sha256d::Hash as Sha256dHash;
-use bitcoin::hashes::Hash;
-use bitcoin::blockdata::script::Builder;
-use bitcoin::blockdata::opcodes;
-
-use chain::chaininterface::{ChainError, ChainWatchInterface};
use ln::channelmanager;
use ln::features::{ChannelFeatures, NodeFeatures};
-use ln::msgs::{DecodeError,ErrorAction,LightningError,RoutingMessageHandler,NetAddress};
-use ln::msgs;
-use util::ser::{Writeable, Readable, Writer, ReadableArgs};
-use util::logger::Logger;
+use ln::msgs::{DecodeError,ErrorAction,LightningError};
+use routing::network_graph::{NetGraphMsgHandler, RoutingFees};
+use util::ser::{Writeable, Readable};
+use util::logger::{Logger, LogHolder};
use std::cmp;
-use std::sync::{RwLock,Arc};
-use std::sync::atomic::{AtomicUsize, Ordering};
-use std::collections::{HashMap,BinaryHeap,BTreeMap};
-use std::collections::btree_map::Entry as BtreeEntry;
-use std;
+use std::sync::Arc;
+use std::collections::{HashMap,BinaryHeap};
/// A hop in a route
#[derive(Clone, PartialEq)]
}
}
-#[derive(PartialEq)]
-struct DirectionalChannelInfo {
- src_node_id: PublicKey,
- last_update: u32,
- enabled: bool,
- cltv_expiry_delta: u16,
- htlc_minimum_msat: u64,
- fee_base_msat: u32,
- fee_proportional_millionths: u32,
- last_update_message: Option<msgs::ChannelUpdate>,
-}
-
-impl std::fmt::Display for DirectionalChannelInfo {
- fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
- write!(f, "src_node_id {}, last_update {}, enabled {}, cltv_expiry_delta {}, htlc_minimum_msat {}, fee_base_msat {}, fee_proportional_millionths {}", log_pubkey!(self.src_node_id), self.last_update, self.enabled, self.cltv_expiry_delta, self.htlc_minimum_msat, self.fee_base_msat, self.fee_proportional_millionths)?;
- Ok(())
- }
-}
-
-impl_writeable!(DirectionalChannelInfo, 0, {
- src_node_id,
- last_update,
- enabled,
- cltv_expiry_delta,
- htlc_minimum_msat,
- fee_base_msat,
- fee_proportional_millionths,
- last_update_message
-});
-
-#[derive(PartialEq)]
-struct ChannelInfo {
- features: ChannelFeatures,
- one_to_two: DirectionalChannelInfo,
- two_to_one: DirectionalChannelInfo,
- //this is cached here so we can send out it later if required by route_init_sync
- //keep an eye on this to see if the extra memory is a problem
- announcement_message: Option<msgs::ChannelAnnouncement>,
-}
-
-impl std::fmt::Display for ChannelInfo {
- fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
- write!(f, "features: {}, one_to_two: {}, two_to_one: {}", log_bytes!(self.features.encode()), self.one_to_two, self.two_to_one)?;
- Ok(())
- }
-}
-
-impl_writeable!(ChannelInfo, 0, {
- features,
- one_to_two,
- two_to_one,
- announcement_message
-});
-
-#[derive(PartialEq)]
-struct NodeInfo {
- channels: Vec<u64>,
-
- lowest_inbound_channel_fee_base_msat: u32,
- lowest_inbound_channel_fee_proportional_millionths: u32,
-
- features: NodeFeatures,
- /// Unlike for channels, we may have a NodeInfo entry before having received a node_update.
- /// Thus, we have to be able to capture "no update has been received", which we do with an
- /// Option here.
- last_update: Option<u32>,
- rgb: [u8; 3],
- alias: [u8; 32],
- addresses: Vec<NetAddress>,
- //this is cached here so we can send out it later if required by route_init_sync
- //keep an eye on this to see if the extra memory is a problem
- announcement_message: Option<msgs::NodeAnnouncement>,
-}
-
-impl std::fmt::Display for NodeInfo {
- fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
- write!(f, "features: {}, last_update: {:?}, lowest_inbound_channel_fee_base_msat: {}, lowest_inbound_channel_fee_proportional_millionths: {}, channels: {:?}", log_bytes!(self.features.encode()), self.last_update, self.lowest_inbound_channel_fee_base_msat, self.lowest_inbound_channel_fee_proportional_millionths, &self.channels[..])?;
- Ok(())
- }
-}
-
-impl Writeable for NodeInfo {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- (self.channels.len() as u64).write(writer)?;
- for ref chan in self.channels.iter() {
- chan.write(writer)?;
- }
- self.lowest_inbound_channel_fee_base_msat.write(writer)?;
- self.lowest_inbound_channel_fee_proportional_millionths.write(writer)?;
- self.features.write(writer)?;
- self.last_update.write(writer)?;
- self.rgb.write(writer)?;
- self.alias.write(writer)?;
- (self.addresses.len() as u64).write(writer)?;
- for ref addr in &self.addresses {
- addr.write(writer)?;
- }
- self.announcement_message.write(writer)?;
- Ok(())
- }
-}
-
-const MAX_ALLOC_SIZE: u64 = 64*1024;
-
-impl Readable for NodeInfo {
- fn read<R: ::std::io::Read>(reader: &mut R) -> Result<NodeInfo, DecodeError> {
- let channels_count: u64 = Readable::read(reader)?;
- let mut channels = Vec::with_capacity(cmp::min(channels_count, MAX_ALLOC_SIZE / 8) as usize);
- for _ in 0..channels_count {
- channels.push(Readable::read(reader)?);
- }
- let lowest_inbound_channel_fee_base_msat = Readable::read(reader)?;
- let lowest_inbound_channel_fee_proportional_millionths = Readable::read(reader)?;
- let features = Readable::read(reader)?;
- let last_update = Readable::read(reader)?;
- let rgb = Readable::read(reader)?;
- let alias = Readable::read(reader)?;
- let addresses_count: u64 = Readable::read(reader)?;
- let mut addresses = Vec::with_capacity(cmp::min(addresses_count, MAX_ALLOC_SIZE / 40) as usize);
- for _ in 0..addresses_count {
- match Readable::read(reader) {
- Ok(Ok(addr)) => { addresses.push(addr); },
- Ok(Err(_)) => return Err(DecodeError::InvalidValue),
- Err(DecodeError::ShortRead) => return Err(DecodeError::BadLengthDescriptor),
- _ => unreachable!(),
- }
- }
- let announcement_message = Readable::read(reader)?;
- Ok(NodeInfo {
- channels,
- lowest_inbound_channel_fee_base_msat,
- lowest_inbound_channel_fee_proportional_millionths,
- features,
- last_update,
- rgb,
- alias,
- addresses,
- announcement_message
- })
- }
-}
-
-#[derive(PartialEq)]
-struct NetworkMap {
- channels: BTreeMap<u64, ChannelInfo>,
- our_node_id: PublicKey,
- nodes: BTreeMap<PublicKey, NodeInfo>,
-}
-
-impl Writeable for NetworkMap {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- (self.channels.len() as u64).write(writer)?;
- for (ref chan_id, ref chan_info) in self.channels.iter() {
- (*chan_id).write(writer)?;
- chan_info.write(writer)?;
- }
- self.our_node_id.write(writer)?;
- (self.nodes.len() as u64).write(writer)?;
- for (ref node_id, ref node_info) in self.nodes.iter() {
- node_id.write(writer)?;
- node_info.write(writer)?;
- }
- Ok(())
- }
-}
-
-impl Readable for NetworkMap {
- fn read<R: ::std::io::Read>(reader: &mut R) -> Result<NetworkMap, DecodeError> {
- let channels_count: u64 = Readable::read(reader)?;
- let mut channels = BTreeMap::new();
- for _ in 0..channels_count {
- let chan_id: u64 = Readable::read(reader)?;
- let chan_info = Readable::read(reader)?;
- channels.insert(chan_id, chan_info);
- }
- let our_node_id = Readable::read(reader)?;
- let nodes_count: u64 = Readable::read(reader)?;
- let mut nodes = BTreeMap::new();
- for _ in 0..nodes_count {
- let node_id = Readable::read(reader)?;
- let node_info = Readable::read(reader)?;
- nodes.insert(node_id, node_info);
- }
- Ok(NetworkMap {
- channels,
- our_node_id,
- nodes,
- })
- }
-}
-
-impl std::fmt::Display for NetworkMap {
- fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
- write!(f, "Node id {} network map\n[Channels]\n", log_pubkey!(self.our_node_id))?;
- for (key, val) in self.channels.iter() {
- write!(f, " {}: {}\n", key, val)?;
- }
- write!(f, "[Nodes]\n")?;
- for (key, val) in self.nodes.iter() {
- write!(f, " {}: {}\n", log_pubkey!(key), val)?;
- }
- Ok(())
- }
-}
-
/// A channel descriptor which provides a last-hop route to get_route
pub struct RouteHint {
/// The node_id of the non-target end of the route
pub src_node_id: PublicKey,
/// The short_channel_id of this channel
pub short_channel_id: u64,
- /// The static msat-denominated fee which must be paid to use this channel
- pub fee_base_msat: u32,
- /// The dynamic proportional fee which must be paid to use this channel, denominated in
- /// millionths of the value being forwarded to the next hop.
- pub fee_proportional_millionths: u32,
+ /// The fees which must be paid to use this channel
+ pub fees: RoutingFees,
/// The difference in CLTV values between this node and the next node.
pub cltv_expiry_delta: u16,
/// The minimum value, in msat, which must be relayed to the next hop.
pub htlc_minimum_msat: u64,
}
-/// Tracks a view of the network, receiving updates from peers and generating Routes to
-/// payment destinations.
-pub struct Router {
- secp_ctx: Secp256k1<secp256k1::VerifyOnly>,
- network_map: RwLock<NetworkMap>,
- full_syncs_requested: AtomicUsize,
- chain_monitor: Arc<ChainWatchInterface>,
- logger: Arc<Logger>,
-}
-
-const SERIALIZATION_VERSION: u8 = 1;
-const MIN_SERIALIZATION_VERSION: u8 = 1;
-
-impl Writeable for Router {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- writer.write_all(&[SERIALIZATION_VERSION; 1])?;
- writer.write_all(&[MIN_SERIALIZATION_VERSION; 1])?;
-
- let network = self.network_map.read().unwrap();
- network.write(writer)?;
- Ok(())
- }
-}
-
-/// Arguments for the creation of a Router that are not deserialized.
-/// At a high-level, the process for deserializing a Router and resuming normal operation is:
-/// 1) Deserialize the Router by filling in this struct and calling <Router>::read(reaser, args).
-/// 2) Register the new Router with your ChainWatchInterface
-pub struct RouterReadArgs {
- /// The ChainWatchInterface for use in the Router in the future.
- ///
- /// No calls to the ChainWatchInterface will be made during deserialization.
- pub chain_monitor: Arc<ChainWatchInterface>,
- /// The Logger for use in the ChannelManager and which may be used to log information during
- /// deserialization.
- pub logger: Arc<Logger>,
-}
-
-impl ReadableArgs<RouterReadArgs> for Router {
- fn read<R: ::std::io::Read>(reader: &mut R, args: RouterReadArgs) -> Result<Router, DecodeError> {
- let _ver: u8 = Readable::read(reader)?;
- let min_ver: u8 = Readable::read(reader)?;
- if min_ver > SERIALIZATION_VERSION {
- return Err(DecodeError::UnknownVersion);
- }
- let network_map = Readable::read(reader)?;
- Ok(Router {
- secp_ctx: Secp256k1::verification_only(),
- network_map: RwLock::new(network_map),
- full_syncs_requested: AtomicUsize::new(0),
- chain_monitor: args.chain_monitor,
- logger: args.logger,
- })
- }
-}
-
-macro_rules! secp_verify_sig {
- ( $secp_ctx: expr, $msg: expr, $sig: expr, $pubkey: expr ) => {
- match $secp_ctx.verify($msg, $sig, $pubkey) {
- Ok(_) => {},
- Err(_) => return Err(LightningError{err: "Invalid signature from remote node", action: ErrorAction::IgnoreError}),
- }
- };
-}
-
-impl RoutingMessageHandler for Router {
-
- fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
- let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &msg.contents.node_id);
-
- let mut network = self.network_map.write().unwrap();
- match network.nodes.get_mut(&msg.contents.node_id) {
- None => Err(LightningError{err: "No existing channels for node_announcement", action: ErrorAction::IgnoreError}),
- Some(node) => {
- match node.last_update {
- Some(last_update) => if last_update >= msg.contents.timestamp {
- return Err(LightningError{err: "Update older than last processed update", action: ErrorAction::IgnoreError});
- },
- None => {},
- }
-
- node.features = msg.contents.features.clone();
- node.last_update = Some(msg.contents.timestamp);
- node.rgb = msg.contents.rgb;
- node.alias = msg.contents.alias;
- node.addresses = msg.contents.addresses.clone();
-
- let should_relay = msg.contents.excess_data.is_empty() && msg.contents.excess_address_data.is_empty();
- node.announcement_message = if should_relay { Some(msg.clone()) } else { None };
- Ok(should_relay)
- }
- }
- }
-
- fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
- if msg.contents.node_id_1 == msg.contents.node_id_2 || msg.contents.bitcoin_key_1 == msg.contents.bitcoin_key_2 {
- return Err(LightningError{err: "Channel announcement node had a channel with itself", action: ErrorAction::IgnoreError});
- }
-
- let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.node_signature_1, &msg.contents.node_id_1);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.node_signature_2, &msg.contents.node_id_2);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_1, &msg.contents.bitcoin_key_1);
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_2, &msg.contents.bitcoin_key_2);
-
- let checked_utxo = match self.chain_monitor.get_chain_utxo(msg.contents.chain_hash, msg.contents.short_channel_id) {
- Ok((script_pubkey, _value)) => {
- let expected_script = Builder::new().push_opcode(opcodes::all::OP_PUSHNUM_2)
- .push_slice(&msg.contents.bitcoin_key_1.serialize())
- .push_slice(&msg.contents.bitcoin_key_2.serialize())
- .push_opcode(opcodes::all::OP_PUSHNUM_2)
- .push_opcode(opcodes::all::OP_CHECKMULTISIG).into_script().to_v0_p2wsh();
- if script_pubkey != expected_script {
- return Err(LightningError{err: "Channel announcement keys didn't match on-chain script", action: ErrorAction::IgnoreError});
- }
- //TODO: Check if value is worth storing, use it to inform routing, and compare it
- //to the new HTLC max field in channel_update
- true
- },
- Err(ChainError::NotSupported) => {
- // Tentatively accept, potentially exposing us to DoS attacks
- false
- },
- Err(ChainError::NotWatched) => {
- return Err(LightningError{err: "Channel announced on an unknown chain", action: ErrorAction::IgnoreError});
- },
- Err(ChainError::UnknownTx) => {
- return Err(LightningError{err: "Channel announced without corresponding UTXO entry", action: ErrorAction::IgnoreError});
- },
- };
-
- let mut network_lock = self.network_map.write().unwrap();
- let network = &mut *network_lock;
-
- let should_relay = msg.contents.excess_data.is_empty();
-
- let chan_info = ChannelInfo {
- features: msg.contents.features.clone(),
- one_to_two: DirectionalChannelInfo {
- src_node_id: msg.contents.node_id_1.clone(),
- last_update: 0,
- enabled: false,
- cltv_expiry_delta: u16::max_value(),
- htlc_minimum_msat: u64::max_value(),
- fee_base_msat: u32::max_value(),
- fee_proportional_millionths: u32::max_value(),
- last_update_message: None,
- },
- two_to_one: DirectionalChannelInfo {
- src_node_id: msg.contents.node_id_2.clone(),
- last_update: 0,
- enabled: false,
- cltv_expiry_delta: u16::max_value(),
- htlc_minimum_msat: u64::max_value(),
- fee_base_msat: u32::max_value(),
- fee_proportional_millionths: u32::max_value(),
- last_update_message: None,
- },
- announcement_message: if should_relay { Some(msg.clone()) } else { None },
- };
-
- match network.channels.entry(msg.contents.short_channel_id) {
- BtreeEntry::Occupied(mut entry) => {
- //TODO: because asking the blockchain if short_channel_id is valid is only optional
- //in the blockchain API, we need to handle it smartly here, though it's unclear
- //exactly how...
- if checked_utxo {
- // Either our UTXO provider is busted, there was a reorg, or the UTXO provider
- // only sometimes returns results. In any case remove the previous entry. Note
- // that the spec expects us to "blacklist" the node_ids involved, but we can't
- // do that because
- // a) we don't *require* a UTXO provider that always returns results.
- // b) we don't track UTXOs of channels we know about and remove them if they
- // get reorg'd out.
- // c) it's unclear how to do so without exposing ourselves to massive DoS risk.
- Self::remove_channel_in_nodes(&mut network.nodes, &entry.get(), msg.contents.short_channel_id);
- *entry.get_mut() = chan_info;
- } else {
- return Err(LightningError{err: "Already have knowledge of channel", action: ErrorAction::IgnoreError})
- }
- },
- BtreeEntry::Vacant(entry) => {
- entry.insert(chan_info);
- }
- };
-
- macro_rules! add_channel_to_node {
- ( $node_id: expr ) => {
- match network.nodes.entry($node_id) {
- BtreeEntry::Occupied(node_entry) => {
- node_entry.into_mut().channels.push(msg.contents.short_channel_id);
- },
- BtreeEntry::Vacant(node_entry) => {
- node_entry.insert(NodeInfo {
- channels: vec!(msg.contents.short_channel_id),
- lowest_inbound_channel_fee_base_msat: u32::max_value(),
- lowest_inbound_channel_fee_proportional_millionths: u32::max_value(),
- features: NodeFeatures::empty(),
- last_update: None,
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- }
- }
- };
- }
-
- add_channel_to_node!(msg.contents.node_id_1);
- add_channel_to_node!(msg.contents.node_id_2);
-
- log_trace!(self, "Added channel_announcement for {}{}", msg.contents.short_channel_id, if !should_relay { " with excess uninterpreted data!" } else { "" });
- Ok(should_relay)
- }
-
- fn handle_htlc_fail_channel_update(&self, update: &msgs::HTLCFailChannelUpdate) {
- match update {
- &msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } => {
- let _ = self.handle_channel_update(msg);
- },
- &msgs::HTLCFailChannelUpdate::ChannelClosed { ref short_channel_id, ref is_permanent } => {
- let mut network = self.network_map.write().unwrap();
- if *is_permanent {
- if let Some(chan) = network.channels.remove(short_channel_id) {
- Self::remove_channel_in_nodes(&mut network.nodes, &chan, *short_channel_id);
- }
- } else {
- if let Some(chan) = network.channels.get_mut(short_channel_id) {
- chan.one_to_two.enabled = false;
- chan.two_to_one.enabled = false;
- }
- }
- },
- &msgs::HTLCFailChannelUpdate::NodeFailure { ref node_id, ref is_permanent } => {
- if *is_permanent {
- //TODO: Wholly remove the node
- } else {
- self.mark_node_bad(node_id, false);
- }
- },
- }
- }
-
- fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> {
- let mut network = self.network_map.write().unwrap();
- let dest_node_id;
- let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
- let chan_was_enabled;
-
- match network.channels.get_mut(&msg.contents.short_channel_id) {
- None => return Err(LightningError{err: "Couldn't find channel for update", action: ErrorAction::IgnoreError}),
- Some(channel) => {
- macro_rules! maybe_update_channel_info {
- ( $target: expr) => {
- if $target.last_update >= msg.contents.timestamp {
- return Err(LightningError{err: "Update older than last processed update", action: ErrorAction::IgnoreError});
- }
- chan_was_enabled = $target.enabled;
- $target.last_update = msg.contents.timestamp;
- $target.enabled = chan_enabled;
- $target.cltv_expiry_delta = msg.contents.cltv_expiry_delta;
- $target.htlc_minimum_msat = msg.contents.htlc_minimum_msat;
- $target.fee_base_msat = msg.contents.fee_base_msat;
- $target.fee_proportional_millionths = msg.contents.fee_proportional_millionths;
- $target.last_update_message = if msg.contents.excess_data.is_empty() {
- Some(msg.clone())
- } else {
- None
- };
- }
- }
- let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
- if msg.contents.flags & 1 == 1 {
- dest_node_id = channel.one_to_two.src_node_id.clone();
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &channel.two_to_one.src_node_id);
- maybe_update_channel_info!(channel.two_to_one);
- } else {
- dest_node_id = channel.two_to_one.src_node_id.clone();
- secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &channel.one_to_two.src_node_id);
- maybe_update_channel_info!(channel.one_to_two);
- }
- }
- }
-
- if chan_enabled {
- let node = network.nodes.get_mut(&dest_node_id).unwrap();
- node.lowest_inbound_channel_fee_base_msat = cmp::min(node.lowest_inbound_channel_fee_base_msat, msg.contents.fee_base_msat);
- node.lowest_inbound_channel_fee_proportional_millionths = cmp::min(node.lowest_inbound_channel_fee_proportional_millionths, msg.contents.fee_proportional_millionths);
- } else if chan_was_enabled {
- let mut lowest_inbound_channel_fee_base_msat = u32::max_value();
- let mut lowest_inbound_channel_fee_proportional_millionths = u32::max_value();
-
- {
- let node = network.nodes.get(&dest_node_id).unwrap();
-
- for chan_id in node.channels.iter() {
- let chan = network.channels.get(chan_id).unwrap();
- if chan.one_to_two.src_node_id == dest_node_id {
- lowest_inbound_channel_fee_base_msat = cmp::min(lowest_inbound_channel_fee_base_msat, chan.two_to_one.fee_base_msat);
- lowest_inbound_channel_fee_proportional_millionths = cmp::min(lowest_inbound_channel_fee_proportional_millionths, chan.two_to_one.fee_proportional_millionths);
- } else {
- lowest_inbound_channel_fee_base_msat = cmp::min(lowest_inbound_channel_fee_base_msat, chan.one_to_two.fee_base_msat);
- lowest_inbound_channel_fee_proportional_millionths = cmp::min(lowest_inbound_channel_fee_proportional_millionths, chan.one_to_two.fee_proportional_millionths);
- }
- }
- }
-
- //TODO: satisfy the borrow-checker without a double-map-lookup :(
- let mut_node = network.nodes.get_mut(&dest_node_id).unwrap();
- mut_node.lowest_inbound_channel_fee_base_msat = lowest_inbound_channel_fee_base_msat;
- mut_node.lowest_inbound_channel_fee_proportional_millionths = lowest_inbound_channel_fee_proportional_millionths;
- }
-
- Ok(msg.contents.excess_data.is_empty())
- }
-
- fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
- let mut result = Vec::with_capacity(batch_amount as usize);
- let network = self.network_map.read().unwrap();
- let mut iter = network.channels.range(starting_point..);
- while result.len() < batch_amount as usize {
- if let Some((_, ref chan)) = iter.next() {
- if chan.announcement_message.is_some() {
- result.push((chan.announcement_message.clone().unwrap(),
- chan.one_to_two.last_update_message.clone(),
- chan.two_to_one.last_update_message.clone()));
- } else {
- // TODO: We may end up sending un-announced channel_updates if we are sending
- // initial sync data while receiving announce/updates for this channel.
- }
- } else {
- return result;
- }
- }
- result
- }
-
- fn get_next_node_announcements(&self, starting_point: Option<&PublicKey>, batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
- let mut result = Vec::with_capacity(batch_amount as usize);
- let network = self.network_map.read().unwrap();
- let mut iter = if let Some(pubkey) = starting_point {
- let mut iter = network.nodes.range((*pubkey)..);
- iter.next();
- iter
- } else {
- network.nodes.range(..)
- };
- while result.len() < batch_amount as usize {
- if let Some((_, ref node)) = iter.next() {
- if node.announcement_message.is_some() {
- result.push(node.announcement_message.clone().unwrap());
- }
- } else {
- return result;
- }
- }
- result
- }
-
- fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
- //TODO: Determine whether to request a full sync based on the network map.
- const FULL_SYNCS_TO_REQUEST: usize = 5;
- if self.full_syncs_requested.load(Ordering::Acquire) < FULL_SYNCS_TO_REQUEST {
- self.full_syncs_requested.fetch_add(1, Ordering::AcqRel);
- true
- } else {
- false
- }
- }
-}
-
#[derive(Eq, PartialEq)]
struct RouteGraphNode {
pubkey: PublicKey,
src_node_id: PublicKey,
cltv_expiry_delta: u32,
htlc_minimum_msat: u64,
- fee_base_msat: u32,
- fee_proportional_millionths: u32,
+ fees: RoutingFees,
}
-impl Router {
- /// Creates a new router with the given node_id to be used as the source for get_route()
- pub fn new(our_pubkey: PublicKey, chain_monitor: Arc<ChainWatchInterface>, logger: Arc<Logger>) -> Router {
- let mut nodes = BTreeMap::new();
- nodes.insert(our_pubkey.clone(), NodeInfo {
- channels: Vec::new(),
- lowest_inbound_channel_fee_base_msat: u32::max_value(),
- lowest_inbound_channel_fee_proportional_millionths: u32::max_value(),
- features: NodeFeatures::empty(),
- last_update: None,
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- Router {
- secp_ctx: Secp256k1::verification_only(),
- network_map: RwLock::new(NetworkMap {
- channels: BTreeMap::new(),
- our_node_id: our_pubkey,
- nodes: nodes,
- }),
- full_syncs_requested: AtomicUsize::new(0),
- chain_monitor,
- logger,
- }
- }
-
- /// Dumps the entire network view of this Router to the logger provided in the constructor at
- /// level Trace
- pub fn trace_state(&self) {
- log_trace!(self, "{}", self.network_map.read().unwrap());
- }
-
- /// Get network addresses by node id
- pub fn get_addresses(&self, pubkey: &PublicKey) -> Option<Vec<NetAddress>> {
- let network = self.network_map.read().unwrap();
- network.nodes.get(pubkey).map(|n| n.addresses.clone())
- }
- /// Marks a node as having failed a route. This will avoid re-using the node in routes for now,
- /// with an exponential decay in node "badness". Note that there is deliberately no
- /// mark_channel_bad as a node may simply lie and suggest that an upstream channel from it is
- /// what failed the route and not the node itself. Instead, setting the blamed_upstream_node
- /// boolean will reduce the penalty, returning the node to usability faster. If the node is
- /// behaving correctly, it will disable the failing channel and we will use it again next time.
- pub fn mark_node_bad(&self, _node_id: &PublicKey, _blamed_upstream_node: bool) {
- unimplemented!();
+/// Gets a route from us (as specified in the provided NetGraphMsgHandler) to the given target node.
+///
+/// Extra routing hops between known nodes and the target will be used if they are included in
+/// last_hops.
+///
+/// If some channels aren't announced, it may be useful to fill in a first_hops with the
+/// results from a local ChannelManager::list_usable_channels() call. If it is filled in, our
+/// (this Router's) view of our local channels will be ignored, and only those in first_hops
+/// will be used.
+///
+/// Panics if first_hops contains channels without short_channel_ids
+/// (ChannelManager::list_usable_channels will never include such channels).
+///
+/// The fees on channels from us to next-hops are ignored (as they are assumed to all be
+/// equal), however the enabled/disabled bit on such channels as well as the htlc_minimum_msat
+/// *is* checked as they may change based on the receiving node.
+pub fn get_route(our_node_id: &PublicKey, net_graph_msg_handler: &NetGraphMsgHandler, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>,
+ last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32, logger: Arc<Logger>) -> Result<Route, LightningError> {
+ // TODO: Obviously *only* using total fee cost sucks. We should consider weighting by
+ // uptime/success in using a node in the past.
+ if *target == *our_node_id {
+ return Err(LightningError{err: "Cannot generate a route to ourselves", action: ErrorAction::IgnoreError});
}
- fn remove_channel_in_nodes(nodes: &mut BTreeMap<PublicKey, NodeInfo>, chan: &ChannelInfo, short_channel_id: u64) {
- macro_rules! remove_from_node {
- ($node_id: expr) => {
- if let BtreeEntry::Occupied(mut entry) = nodes.entry($node_id) {
- entry.get_mut().channels.retain(|chan_id| {
- short_channel_id != *chan_id
- });
- if entry.get().channels.is_empty() {
- entry.remove_entry();
- }
- } else {
- panic!("Had channel that pointed to unknown node (ie inconsistent network map)!");
- }
- }
- }
- remove_from_node!(chan.one_to_two.src_node_id);
- remove_from_node!(chan.two_to_one.src_node_id);
+ if final_value_msat > 21_000_000 * 1_0000_0000 * 1000 {
+ return Err(LightningError{err: "Cannot generate a route of more value than all existing satoshis", action: ErrorAction::IgnoreError});
}
- /// Gets a route from us to the given target node.
- ///
- /// Extra routing hops between known nodes and the target will be used if they are included in
- /// last_hops.
- ///
- /// If some channels aren't announced, it may be useful to fill in a first_hops with the
- /// results from a local ChannelManager::list_usable_channels() call. If it is filled in, our
- /// (this Router's) view of our local channels will be ignored, and only those in first_hops
- /// will be used.
- ///
- /// Panics if first_hops contains channels without short_channel_ids
- /// (ChannelManager::list_usable_channels will never include such channels).
- ///
- /// The fees on channels from us to next-hops are ignored (as they are assumed to all be
- /// equal), however the enabled/disabled bit on such channels as well as the htlc_minimum_msat
- /// *is* checked as they may change based on the receiving node.
- pub fn get_route(&self, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>, last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32) -> Result<Route, LightningError> {
- // TODO: Obviously *only* using total fee cost sucks. We should consider weighting by
- // uptime/success in using a node in the past.
- let network = self.network_map.read().unwrap();
-
- if *target == network.our_node_id {
- return Err(LightningError{err: "Cannot generate a route to ourselves", action: ErrorAction::IgnoreError});
- }
+ // We do a dest-to-source Dijkstra's sorting by each node's distance from the destination
+ // plus the minimum per-HTLC fee to get from it to another node (aka "shitty A*").
+ // TODO: There are a few tweaks we could do, including possibly pre-calculating more stuff
+ // to use as the A* heuristic beyond just the cost to get one node further than the current
+ // one.
- if final_value_msat > 21_000_000 * 1_0000_0000 * 1000 {
- return Err(LightningError{err: "Cannot generate a route of more value than all existing satoshis", action: ErrorAction::IgnoreError});
+ let dummy_directional_info = DummyDirectionalChannelInfo { // used for first_hops routes
+ src_node_id: our_node_id.clone(),
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fees: RoutingFees {
+ base_msat: 0,
+ proportional_millionths: 0,
}
+ };
- // We do a dest-to-source Dijkstra's sorting by each node's distance from the destination
- // plus the minimum per-HTLC fee to get from it to another node (aka "shitty A*").
- // TODO: There are a few tweaks we could do, including possibly pre-calculating more stuff
- // to use as the A* heuristic beyond just the cost to get one node further than the current
- // one.
-
- let dummy_directional_info = DummyDirectionalChannelInfo { // used for first_hops routes
- src_node_id: network.our_node_id.clone(),
- cltv_expiry_delta: 0,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- };
-
- let mut targets = BinaryHeap::new(); //TODO: Do we care about switching to eg Fibbonaci heap?
- let mut dist = HashMap::with_capacity(network.nodes.len());
-
- let mut first_hop_targets = HashMap::with_capacity(if first_hops.is_some() { first_hops.as_ref().unwrap().len() } else { 0 });
- if let Some(hops) = first_hops {
- for chan in hops {
- let short_channel_id = chan.short_channel_id.expect("first_hops should be filled in with usable channels, not pending ones");
- if chan.remote_network_id == *target {
- return Ok(Route {
- paths: vec![vec![RouteHop {
- pubkey: chan.remote_network_id,
- node_features: chan.counterparty_features.to_context(),
- short_channel_id,
- channel_features: chan.counterparty_features.to_context(),
- fee_msat: final_value_msat,
- cltv_expiry_delta: final_cltv,
- }]],
- });
- }
- first_hop_targets.insert(chan.remote_network_id, (short_channel_id, chan.counterparty_features.clone()));
- }
- if first_hop_targets.is_empty() {
- return Err(LightningError{err: "Cannot route when there are no outbound routes away from us", action: ErrorAction::IgnoreError});
+ let network = net_graph_msg_handler.network_graph.read().unwrap();
+ let mut targets = BinaryHeap::new(); //TODO: Do we care about switching to eg Fibbonaci heap?
+ let mut dist = HashMap::with_capacity(network.get_nodes().len());
+
+ let mut first_hop_targets = HashMap::with_capacity(if first_hops.is_some() { first_hops.as_ref().unwrap().len() } else { 0 });
+ if let Some(hops) = first_hops {
+ for chan in hops {
+ let short_channel_id = chan.short_channel_id.expect("first_hops should be filled in with usable channels, not pending ones");
+ if chan.remote_network_id == *target {
+ return Ok(Route {
+ paths: vec![vec![RouteHop {
+ pubkey: chan.remote_network_id,
+ node_features: chan.counterparty_features.to_context(),
+ short_channel_id,
+ channel_features: chan.counterparty_features.to_context(),
+ fee_msat: final_value_msat,
+ cltv_expiry_delta: final_cltv,
+ }]],
+ });
}
+ first_hop_targets.insert(chan.remote_network_id, (short_channel_id, chan.counterparty_features.clone()));
+ }
+ if first_hop_targets.is_empty() {
+ return Err(LightningError{err: "Cannot route when there are no outbound routes away from us", action: ErrorAction::IgnoreError});
}
+ }
- macro_rules! add_entry {
- // Adds entry which goes from the node pointed to by $directional_info to
- // $dest_node_id over the channel with id $chan_id with fees described in
- // $directional_info.
- ( $chan_id: expr, $dest_node_id: expr, $directional_info: expr, $chan_features: expr, $starting_fee_msat: expr ) => {
- //TODO: Explore simply adding fee to hit htlc_minimum_msat
- if $starting_fee_msat as u64 + final_value_msat >= $directional_info.htlc_minimum_msat {
- let proportional_fee_millions = ($starting_fee_msat + final_value_msat).checked_mul($directional_info.fee_proportional_millionths as u64);
- if let Some(new_fee) = proportional_fee_millions.and_then(|part| {
- ($directional_info.fee_base_msat as u64).checked_add(part / 1000000) })
- {
- let mut total_fee = $starting_fee_msat as u64;
- let hm_entry = dist.entry(&$directional_info.src_node_id);
- let old_entry = hm_entry.or_insert_with(|| {
- let node = network.nodes.get(&$directional_info.src_node_id).unwrap();
- (u64::max_value(),
- node.lowest_inbound_channel_fee_base_msat,
- node.lowest_inbound_channel_fee_proportional_millionths,
- RouteHop {
- pubkey: $dest_node_id.clone(),
- node_features: NodeFeatures::empty(),
- short_channel_id: 0,
- channel_features: $chan_features.clone(),
- fee_msat: 0,
- cltv_expiry_delta: 0,
- })
- });
- if $directional_info.src_node_id != network.our_node_id {
- // Ignore new_fee for channel-from-us as we assume all channels-from-us
- // will have the same effective-fee
- total_fee += new_fee;
- if let Some(fee_inc) = final_value_msat.checked_add(total_fee).and_then(|inc| { (old_entry.2 as u64).checked_mul(inc) }) {
- total_fee += fee_inc / 1000000 + (old_entry.1 as u64);
- } else {
- // max_value means we'll always fail the old_entry.0 > total_fee check
- total_fee = u64::max_value();
- }
- }
- let new_graph_node = RouteGraphNode {
- pubkey: $directional_info.src_node_id,
- lowest_fee_to_peer_through_node: total_fee,
- lowest_fee_to_node: $starting_fee_msat as u64 + new_fee,
+ macro_rules! add_entry {
+ // Adds entry which goes from the node pointed to by $directional_info to
+ // $dest_node_id over the channel with id $chan_id with fees described in
+ // $directional_info.
+ ( $chan_id: expr, $dest_node_id: expr, $directional_info: expr, $chan_features: expr, $starting_fee_msat: expr ) => {
+ //TODO: Explore simply adding fee to hit htlc_minimum_msat
+ if $starting_fee_msat as u64 + final_value_msat >= $directional_info.htlc_minimum_msat {
+ let proportional_fee_millions = ($starting_fee_msat + final_value_msat).checked_mul($directional_info.fees.proportional_millionths as u64);
+ if let Some(new_fee) = proportional_fee_millions.and_then(|part| {
+ ($directional_info.fees.base_msat as u64).checked_add(part / 1000000) })
+ {
+ let mut total_fee = $starting_fee_msat as u64;
+ let hm_entry = dist.entry(&$directional_info.src_node_id);
+ let old_entry = hm_entry.or_insert_with(|| {
+ let node = network.get_nodes().get(&$directional_info.src_node_id).unwrap();
+ let mut fee_base_msat = u32::max_value();
+ let mut fee_proportional_millionths = u32::max_value();
+ if let Some(fees) = node.lowest_inbound_channel_fees {
+ fee_base_msat = fees.base_msat;
+ fee_proportional_millionths = fees.proportional_millionths;
};
- if old_entry.0 > total_fee {
- targets.push(new_graph_node);
- old_entry.0 = total_fee;
- old_entry.3 = RouteHop {
+ (u64::max_value(),
+ fee_base_msat,
+ fee_proportional_millionths,
+ RouteHop {
pubkey: $dest_node_id.clone(),
node_features: NodeFeatures::empty(),
- short_channel_id: $chan_id.clone(),
+ short_channel_id: 0,
channel_features: $chan_features.clone(),
- fee_msat: new_fee, // This field is ignored on the last-hop anyway
- cltv_expiry_delta: $directional_info.cltv_expiry_delta as u32,
- }
+ fee_msat: 0,
+ cltv_expiry_delta: 0,
+ })
+ });
+ if $directional_info.src_node_id != *our_node_id {
+ // Ignore new_fee for channel-from-us as we assume all channels-from-us
+ // will have the same effective-fee
+ total_fee += new_fee;
+ if let Some(fee_inc) = final_value_msat.checked_add(total_fee).and_then(|inc| { (old_entry.2 as u64).checked_mul(inc) }) {
+ total_fee += fee_inc / 1000000 + (old_entry.1 as u64);
+ } else {
+ // max_value means we'll always fail the old_entry.0 > total_fee check
+ total_fee = u64::max_value();
+ }
+ }
+ let new_graph_node = RouteGraphNode {
+ pubkey: $directional_info.src_node_id,
+ lowest_fee_to_peer_through_node: total_fee,
+ lowest_fee_to_node: $starting_fee_msat as u64 + new_fee,
+ };
+ if old_entry.0 > total_fee {
+ targets.push(new_graph_node);
+ old_entry.0 = total_fee;
+ old_entry.3 = RouteHop {
+ pubkey: $dest_node_id.clone(),
+ node_features: NodeFeatures::empty(),
+ short_channel_id: $chan_id.clone(),
+ channel_features: $chan_features.clone(),
+ fee_msat: new_fee, // This field is ignored on the last-hop anyway
+ cltv_expiry_delta: $directional_info.cltv_expiry_delta as u32,
}
}
}
- };
- }
+ }
+ };
+ }
- macro_rules! add_entries_to_cheapest_to_target_node {
- ( $node: expr, $node_id: expr, $fee_to_target_msat: expr ) => {
- if first_hops.is_some() {
- if let Some(&(ref first_hop, ref features)) = first_hop_targets.get(&$node_id) {
- add_entry!(first_hop, $node_id, dummy_directional_info, features.to_context(), $fee_to_target_msat);
- }
+ macro_rules! add_entries_to_cheapest_to_target_node {
+ ( $node: expr, $node_id: expr, $fee_to_target_msat: expr ) => {
+ if first_hops.is_some() {
+ if let Some(&(ref first_hop, ref features)) = first_hop_targets.get(&$node_id) {
+ add_entry!(first_hop, $node_id, dummy_directional_info, features.to_context(), $fee_to_target_msat);
}
+ }
- if !$node.features.requires_unknown_bits() {
- for chan_id in $node.channels.iter() {
- let chan = network.channels.get(chan_id).unwrap();
- if !chan.features.requires_unknown_bits() {
- if chan.one_to_two.src_node_id == *$node_id {
- // ie $node is one, ie next hop in A* is two, via the two_to_one channel
- if first_hops.is_none() || chan.two_to_one.src_node_id != network.our_node_id {
- if chan.two_to_one.enabled {
- add_entry!(chan_id, chan.one_to_two.src_node_id, chan.two_to_one, chan.features, $fee_to_target_msat);
- }
+ if !$node.features.requires_unknown_bits() {
+ for chan_id in $node.channels.iter() {
+ let chan = network.get_channels().get(chan_id).unwrap();
+ if !chan.features.requires_unknown_bits() {
+ if chan.one_to_two.src_node_id == *$node_id {
+ // ie $node is one, ie next hop in A* is two, via the two_to_one channel
+ if first_hops.is_none() || chan.two_to_one.src_node_id != *our_node_id {
+ if chan.two_to_one.enabled {
+ add_entry!(chan_id, chan.one_to_two.src_node_id, chan.two_to_one, chan.features, $fee_to_target_msat);
}
- } else {
- if first_hops.is_none() || chan.one_to_two.src_node_id != network.our_node_id {
- if chan.one_to_two.enabled {
- add_entry!(chan_id, chan.two_to_one.src_node_id, chan.one_to_two, chan.features, $fee_to_target_msat);
- }
+ }
+ } else {
+ if first_hops.is_none() || chan.one_to_two.src_node_id != *our_node_id {
+ if chan.one_to_two.enabled {
+ add_entry!(chan_id, chan.two_to_one.src_node_id, chan.one_to_two, chan.features, $fee_to_target_msat);
}
}
}
}
}
- };
- }
+ }
+ };
+ }
- match network.nodes.get(target) {
- None => {},
- Some(node) => {
- add_entries_to_cheapest_to_target_node!(node, target, 0);
- },
- }
+ match network.get_nodes().get(target) {
+ None => {},
+ Some(node) => {
+ add_entries_to_cheapest_to_target_node!(node, target, 0);
+ },
+ }
- for hop in last_hops.iter() {
- if first_hops.is_none() || hop.src_node_id != network.our_node_id { // first_hop overrules last_hops
- if network.nodes.get(&hop.src_node_id).is_some() {
- if first_hops.is_some() {
- if let Some(&(ref first_hop, ref features)) = first_hop_targets.get(&hop.src_node_id) {
- // Currently there are no channel-context features defined, so we are a
- // bit lazy here. In the future, we should pull them out via our
- // ChannelManager, but there's no reason to waste the space until we
- // need them.
- add_entry!(first_hop, hop.src_node_id, dummy_directional_info, features.to_context(), 0);
- }
+ for hop in last_hops.iter() {
+ if first_hops.is_none() || hop.src_node_id != *our_node_id { // first_hop overrules last_hops
+ if network.get_nodes().get(&hop.src_node_id).is_some() {
+ if first_hops.is_some() {
+ if let Some(&(ref first_hop, ref features)) = first_hop_targets.get(&hop.src_node_id) {
+ // Currently there are no channel-context features defined, so we are a
+ // bit lazy here. In the future, we should pull them out via our
+ // ChannelManager, but there's no reason to waste the space until we
+ // need them.
+ add_entry!(first_hop, hop.src_node_id, dummy_directional_info, features.to_context(), 0);
}
- // BOLT 11 doesn't allow inclusion of features for the last hop hints, which
- // really sucks, cause we're gonna need that eventually.
- add_entry!(hop.short_channel_id, target, hop, ChannelFeatures::empty(), 0);
}
+ // BOLT 11 doesn't allow inclusion of features for the last hop hints, which
+ // really sucks, cause we're gonna need that eventually.
+ add_entry!(hop.short_channel_id, target, hop, ChannelFeatures::empty(), 0);
}
}
+ }
- while let Some(RouteGraphNode { pubkey, lowest_fee_to_node, .. }) = targets.pop() {
- if pubkey == network.our_node_id {
- let mut res = vec!(dist.remove(&network.our_node_id).unwrap().3);
- loop {
- if let Some(&(_, ref features)) = first_hop_targets.get(&res.last().unwrap().pubkey) {
- res.last_mut().unwrap().node_features = features.to_context();
- } else if let Some(node) = network.nodes.get(&res.last().unwrap().pubkey) {
- res.last_mut().unwrap().node_features = node.features.clone();
- } else {
- // We should be able to fill in features for everything except the last
- // hop, if the last hop was provided via a BOLT 11 invoice (though we
- // should be able to extend it further as BOLT 11 does have feature
- // flags for the last hop node itself).
- assert!(res.last().unwrap().pubkey == *target);
- }
- if res.last().unwrap().pubkey == *target {
- break;
- }
-
- let new_entry = match dist.remove(&res.last().unwrap().pubkey) {
- Some(hop) => hop.3,
- None => return Err(LightningError{err: "Failed to find a non-fee-overflowing path to the given destination", action: ErrorAction::IgnoreError}),
- };
- res.last_mut().unwrap().fee_msat = new_entry.fee_msat;
- res.last_mut().unwrap().cltv_expiry_delta = new_entry.cltv_expiry_delta;
- res.push(new_entry);
+ while let Some(RouteGraphNode { pubkey, lowest_fee_to_node, .. }) = targets.pop() {
+ if pubkey == *our_node_id {
+ let mut res = vec!(dist.remove(&our_node_id).unwrap().3);
+ loop {
+ if let Some(&(_, ref features)) = first_hop_targets.get(&res.last().unwrap().pubkey) {
+ res.last_mut().unwrap().node_features = features.to_context();
+ } else if let Some(node) = network.get_nodes().get(&res.last().unwrap().pubkey) {
+ res.last_mut().unwrap().node_features = node.features.clone();
+ } else {
+ // We should be able to fill in features for everything except the last
+ // hop, if the last hop was provided via a BOLT 11 invoice (though we
+ // should be able to extend it further as BOLT 11 does have feature
+ // flags for the last hop node itself).
+ assert!(res.last().unwrap().pubkey == *target);
+ }
+ if res.last().unwrap().pubkey == *target {
+ break;
}
- res.last_mut().unwrap().fee_msat = final_value_msat;
- res.last_mut().unwrap().cltv_expiry_delta = final_cltv;
- let route = Route { paths: vec![res] };
- log_trace!(self, "Got route: {}", log_route!(route));
- return Ok(route);
- }
- match network.nodes.get(&pubkey) {
- None => {},
- Some(node) => {
- add_entries_to_cheapest_to_target_node!(node, &pubkey, lowest_fee_to_node);
- },
+ let new_entry = match dist.remove(&res.last().unwrap().pubkey) {
+ Some(hop) => hop.3,
+ None => return Err(LightningError{err: "Failed to find a non-fee-overflowing path to the given destination", action: ErrorAction::IgnoreError}),
+ };
+ res.last_mut().unwrap().fee_msat = new_entry.fee_msat;
+ res.last_mut().unwrap().cltv_expiry_delta = new_entry.cltv_expiry_delta;
+ res.push(new_entry);
}
+ res.last_mut().unwrap().fee_msat = final_value_msat;
+ res.last_mut().unwrap().cltv_expiry_delta = final_cltv;
+ let route = Route { paths: vec![res] };
+ let log_holder = LogHolder { logger: &logger };
+ log_trace!(log_holder, "Got route: {}", log_route!(route));
+ return Ok(route);
}
- Err(LightningError{err: "Failed to find a path to the given destination", action: ErrorAction::IgnoreError})
+ match network.get_nodes().get(&pubkey) {
+ None => {},
+ Some(node) => {
+ add_entries_to_cheapest_to_target_node!(node, &pubkey, lowest_fee_to_node);
+ },
+ }
}
+
+ Err(LightningError{err: "Failed to find a path to the given destination", action: ErrorAction::IgnoreError})
}
#[cfg(test)]
mod tests {
use chain::chaininterface;
- use ln::channelmanager;
- use routing::router::{Router,NodeInfo,NetworkMap,ChannelInfo,DirectionalChannelInfo,RouteHint};
+ use routing::router::{NetGraphMsgHandler, RoutingFees};
+ use routing::router::{get_route, RouteHint};
use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
- use ln::msgs::{ErrorAction, LightningError, RoutingMessageHandler, UnsignedNodeAnnouncement, NodeAnnouncement,
- UnsignedChannelAnnouncement, ChannelAnnouncement, UnsignedChannelUpdate, ChannelUpdate, HTLCFailChannelUpdate};
+ use ln::msgs::{ErrorAction, LightningError, UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingMessageHandler,
+ NodeAnnouncement, UnsignedNodeAnnouncement, ChannelUpdate, UnsignedChannelUpdate};
+ use ln::channelmanager;
use util::test_utils;
- use util::test_utils::TestVecWriter;
use util::logger::Logger;
- use util::ser::{Writeable, Readable};
+ use util::ser::Writeable;
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::script::Builder;
- use bitcoin::blockdata::opcodes;
use bitcoin::util::hash::BitcoinHash;
use hex;
use bitcoin::secp256k1::key::{PublicKey,SecretKey};
- use bitcoin::secp256k1::All;
- use bitcoin::secp256k1::Secp256k1;
+ use bitcoin::secp256k1::{Secp256k1, All};
use std::sync::Arc;
- use std::collections::btree_map::Entry as BtreeEntry;
- fn create_router() -> (Secp256k1<All>, PublicKey, Router) {
- let secp_ctx = Secp256k1::new();
- let our_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap());
- let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::new());
- let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet, Arc::clone(&logger)));
- let router = Router::new(our_id, chain_monitor, Arc::clone(&logger));
- (secp_ctx, our_id, router)
+ // Using the same keys for LN and BTC ids
+ fn add_channel(net_graph_msg_handler: &NetGraphMsgHandler, secp_ctx: &Secp256k1<All>, node_1_privkey: &SecretKey,
+ node_2_privkey: &SecretKey, features: ChannelFeatures, short_channel_id: u64) {
+ let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
+ let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
+
+ let unsigned_announcement = UnsignedChannelAnnouncement {
+ features,
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id,
+ node_id_1,
+ node_id_2,
+ bitcoin_key_1: node_id_1,
+ bitcoin_key_2: node_id_2,
+ excess_data: Vec::new(),
+ };
+
+ let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
+ let valid_announcement = ChannelAnnouncement {
+ node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
+ node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
+ bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
+ bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
+ contents: unsigned_announcement.clone(),
+ };
+ match net_graph_msg_handler.handle_channel_announcement(&valid_announcement) {
+ Ok(res) => assert!(res),
+ _ => panic!()
+ };
}
- #[test]
- fn route_test() {
- let (secp_ctx, our_id, router) = create_router();
+ fn update_channel(net_graph_msg_handler: &NetGraphMsgHandler, secp_ctx: &Secp256k1<All>, node_privkey: &SecretKey, update: UnsignedChannelUpdate) {
+ let msghash = hash_to_message!(&Sha256dHash::hash(&update.encode()[..])[..]);
+ let valid_channel_update = ChannelUpdate {
+ signature: secp_ctx.sign(&msghash, node_privkey),
+ contents: update.clone()
+ };
- // Build network from our_id to node8:
- //
- // -1(1)2- node1 -1(3)2-
- // / \
- // our_id -1(12)2- node8 -1(13)2--- node3
+ match net_graph_msg_handler.handle_channel_update(&valid_channel_update) {
+ Ok(res) => assert!(res),
+ // Err(_) => panic!()
+ Err(e) => println!("{:?}", e.err)
+ };
+ }
+
+
+ fn add_or_update_node(net_graph_msg_handler: &NetGraphMsgHandler, secp_ctx: &Secp256k1<All>, node_privkey: &SecretKey,
+ features: NodeFeatures, timestamp: u32) {
+ let node_id = PublicKey::from_secret_key(&secp_ctx, node_privkey);
+ let unsigned_announcement = UnsignedNodeAnnouncement {
+ features,
+ timestamp,
+ node_id,
+ rgb: [0; 3],
+ alias: [0; 32],
+ addresses: Vec::new(),
+ excess_address_data: Vec::new(),
+ excess_data: Vec::new(),
+ };
+ let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
+ let valid_announcement = NodeAnnouncement {
+ signature: secp_ctx.sign(&msghash, node_privkey),
+ contents: unsigned_announcement.clone()
+ };
+
+ match net_graph_msg_handler.handle_node_announcement(&valid_announcement) {
+ Ok(_) => (),
+ Err(_) => panic!()
+ };
+ }
+
+ #[test]
+ fn route_test() {
+ let secp_ctx = Secp256k1::new();
+ let our_privkey = &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap();
+ let our_id = PublicKey::from_secret_key(&secp_ctx, our_privkey);
+ let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::new());
+ let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet, Arc::clone(&logger)));
+ let net_graph_msg_handler = NetGraphMsgHandler::new(chain_monitor, Arc::clone(&logger));
+ // Build network from our_id to node8:
+ //
+ // -1(1)2- node1 -1(3)2-
+ // / \
+ // our_id -1(12)2- node8 -1(13)2--- node3
// \ /
// -1(2)2- node2 -1(4)2-
//
// chan11 1-to-2: enabled, 0 fee
// chan11 2-to-1: enabled, 0 fee
- let node1 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap()[..]).unwrap());
- let node2 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0303030303030303030303030303030303030303030303030303030303030303").unwrap()[..]).unwrap());
- let node3 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0404040404040404040404040404040404040404040404040404040404040404").unwrap()[..]).unwrap());
- let node4 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0505050505050505050505050505050505050505050505050505050505050505").unwrap()[..]).unwrap());
- let node5 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0606060606060606060606060606060606060606060606060606060606060606").unwrap()[..]).unwrap());
- let node6 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0707070707070707070707070707070707070707070707070707070707070707").unwrap()[..]).unwrap());
- let node7 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0808080808080808080808080808080808080808080808080808080808080808").unwrap()[..]).unwrap());
- let node8 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0909090909090909090909090909090909090909090909090909090909090909").unwrap()[..]).unwrap());
+ let node1_privkey = &SecretKey::from_slice(&hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap()[..]).unwrap();
+ let node2_privkey = &SecretKey::from_slice(&hex::decode("0303030303030303030303030303030303030303030303030303030303030303").unwrap()[..]).unwrap();
+ let node3_privkey = &SecretKey::from_slice(&hex::decode("0404040404040404040404040404040404040404040404040404040404040404").unwrap()[..]).unwrap();
+ let node4_privkey = &SecretKey::from_slice(&hex::decode("0505050505050505050505050505050505050505050505050505050505050505").unwrap()[..]).unwrap();
+ let node5_privkey = &SecretKey::from_slice(&hex::decode("0606060606060606060606060606060606060606060606060606060606060606").unwrap()[..]).unwrap();
+ let node6_privkey = &SecretKey::from_slice(&hex::decode("0707070707070707070707070707070707070707070707070707070707070707").unwrap()[..]).unwrap();
+ let node7_privkey = &SecretKey::from_slice(&hex::decode("0808080808080808080808080808080808080808080808080808080808080808").unwrap()[..]).unwrap();
+ let node8_privkey = &SecretKey::from_slice(&hex::decode("0909090909090909090909090909090909090909090909090909090909090909").unwrap()[..]).unwrap();
+
+
+ let node1 = PublicKey::from_secret_key(&secp_ctx, node1_privkey);
+ let node2 = PublicKey::from_secret_key(&secp_ctx, node2_privkey);
+ let node3 = PublicKey::from_secret_key(&secp_ctx, node3_privkey);
+ let node4 = PublicKey::from_secret_key(&secp_ctx, node4_privkey);
+ let node5 = PublicKey::from_secret_key(&secp_ctx, node5_privkey);
+ let node6 = PublicKey::from_secret_key(&secp_ctx, node6_privkey);
+ let node7 = PublicKey::from_secret_key(&secp_ctx, node7_privkey);
+ let node8 = PublicKey::from_secret_key(&secp_ctx, node8_privkey);
macro_rules! id_to_feature_flags {
// Set the feature flags to the id'th odd (ie non-required) feature bit so that we can
} }
}
- {
- let mut network = router.network_map.write().unwrap();
-
- network.nodes.insert(node1.clone(), NodeInfo {
- channels: vec!(1, 3),
- lowest_inbound_channel_fee_base_msat: 100,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(1)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(1, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(1)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: our_id.clone(),
- last_update: 0,
- enabled: false,
- cltv_expiry_delta: u16::max_value(), // This value should be ignored
- htlc_minimum_msat: 0,
- fee_base_msat: u32::max_value(), // This value should be ignored
- fee_proportional_millionths: u32::max_value(), // This value should be ignored
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node1.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: 0,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node2.clone(), NodeInfo {
- channels: vec!(2, 4),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(2)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(2, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(2)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: our_id.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: u16::max_value(), // This value should be ignored
- htlc_minimum_msat: 0,
- fee_base_msat: u32::max_value(), // This value should be ignored
- fee_proportional_millionths: u32::max_value(), // This value should be ignored
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node2.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: 0,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node8.clone(), NodeInfo {
- channels: vec!(12, 13),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(8)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(12, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(12)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: our_id.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: u16::max_value(), // This value should be ignored
- htlc_minimum_msat: 0,
- fee_base_msat: u32::max_value(), // This value should be ignored
- fee_proportional_millionths: u32::max_value(), // This value should be ignored
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node8.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: 0,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node3.clone(), NodeInfo {
- channels: vec!(
- 3,
- 4,
- 13,
- 5,
- 6,
- 7),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(3)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(3, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(3)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node1.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (3 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (3 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 100,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.channels.insert(4, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(4)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node2.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (4 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 1000000,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (4 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.channels.insert(13, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(13)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node8.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (13 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 2000000,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (13 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node4.clone(), NodeInfo {
- channels: vec!(5, 11),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(4)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(5, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(5)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (5 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 100,
- fee_proportional_millionths: 0,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node4.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (5 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node5.clone(), NodeInfo {
- channels: vec!(6, 11),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(5)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(6, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(6)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (6 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node5.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (6 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.channels.insert(11, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(11)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node5.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (11 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node4.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (11 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- network.nodes.insert(node6.clone(), NodeInfo {
- channels: vec!(7),
- lowest_inbound_channel_fee_base_msat: 0,
- lowest_inbound_channel_fee_proportional_millionths: 0,
- features: NodeFeatures::from_le_bytes(id_to_feature_flags!(6)),
- last_update: Some(1),
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- announcement_message: None,
- });
- network.channels.insert(7, ChannelInfo {
- features: ChannelFeatures::from_le_bytes(id_to_feature_flags!(7)),
- one_to_two: DirectionalChannelInfo {
- src_node_id: node3.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (7 << 8) | 1,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 1000000,
- last_update_message: None,
- }, two_to_one: DirectionalChannelInfo {
- src_node_id: node6.clone(),
- last_update: 0,
- enabled: true,
- cltv_expiry_delta: (7 << 8) | 2,
- htlc_minimum_msat: 0,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- last_update_message: None,
- },
- announcement_message: None,
- });
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, node1_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(1)), 1);
+ update_channel(&net_graph_msg_handler, &secp_ctx, node1_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node1_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(1)), 0);
- { // Simple route to 3 via 2
- let route = router.get_route(&node3, None, &Vec::new(), 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 2);
-
- assert_eq!(route.paths[0][0].pubkey, node2);
- assert_eq!(route.paths[0][0].short_channel_id, 2);
- assert_eq!(route.paths[0][0].fee_msat, 100);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 4);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, node2_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(2)), 2);
+ update_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 2,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: u16::max_value(),
+ htlc_minimum_msat: 0,
+ fee_base_msat: u32::max_value(),
+ fee_proportional_millionths: u32::max_value(),
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node2_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 2,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
- { // Disable channels 4 and 12 by requiring unknown feature bits
- let mut network = router.network_map.write().unwrap();
- network.channels.get_mut(&4).unwrap().features.set_required_unknown_bits();
- network.channels.get_mut(&12).unwrap().features.set_required_unknown_bits();
- }
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node2_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(2)), 0);
- { // If all the channels require some features we don't understand, route should fail
- if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = router.get_route(&node3, None, &Vec::new(), 100, 42) {
- assert_eq!(err, "Failed to find a path to the given destination");
- } else { panic!(); }
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, node8_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(12)), 12);
+ update_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 12,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: u16::max_value(),
+ htlc_minimum_msat: 0,
+ fee_base_msat: u32::max_value(),
+ fee_proportional_millionths: u32::max_value(),
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node8_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 12,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
- { // If we specify a channel to node8, that overrides our local channel view and that gets used
- let our_chans = vec![channelmanager::ChannelDetails {
- channel_id: [0; 32],
- short_channel_id: Some(42),
- remote_network_id: node8.clone(),
- counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
- channel_value_satoshis: 0,
- user_id: 0,
- outbound_capacity_msat: 0,
- inbound_capacity_msat: 0,
- is_live: true,
- }];
- let route = router.get_route(&node3, Some(&our_chans), &Vec::new(), 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 2);
-
- assert_eq!(route.paths[0][0].pubkey, node8);
- assert_eq!(route.paths[0][0].short_channel_id, 42);
- assert_eq!(route.paths[0][0].fee_msat, 200);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]); // it should also override our view of their features
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 13);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
- }
- { // Re-enable channels 4 and 12 by wiping the unknown feature bits
- let mut network = router.network_map.write().unwrap();
- network.channels.get_mut(&4).unwrap().features.clear_unknown_bits();
- network.channels.get_mut(&12).unwrap().features.clear_unknown_bits();
- }
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node8_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(8)), 0);
- { // Disable nodes 1, 2, and 8 by requiring unknown feature bits
- let mut network = router.network_map.write().unwrap();
- network.nodes.get_mut(&node1).unwrap().features.set_required_unknown_bits();
- network.nodes.get_mut(&node2).unwrap().features.set_required_unknown_bits();
- network.nodes.get_mut(&node8).unwrap().features.set_required_unknown_bits();
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, node1_privkey, node3_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(3)), 3);
+ update_channel(&net_graph_msg_handler, &secp_ctx, node1_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 3,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (3 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 3,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (3 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 100,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
- { // If all nodes require some features we don't understand, route should fail
- if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = router.get_route(&node3, None, &Vec::new(), 100, 42) {
- assert_eq!(err, "Failed to find a path to the given destination");
- } else { panic!(); }
- }
- { // If we specify a channel to node8, that overrides our local channel view and that gets used
- let our_chans = vec![channelmanager::ChannelDetails {
- channel_id: [0; 32],
- short_channel_id: Some(42),
- remote_network_id: node8.clone(),
- counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
- channel_value_satoshis: 0,
- user_id: 0,
- outbound_capacity_msat: 0,
- inbound_capacity_msat: 0,
- is_live: true,
- }];
- let route = router.get_route(&node3, Some(&our_chans), &Vec::new(), 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 2);
-
- assert_eq!(route.paths[0][0].pubkey, node8);
- assert_eq!(route.paths[0][0].short_channel_id, 42);
- assert_eq!(route.paths[0][0].fee_msat, 200);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]); // it should also override our view of their features
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 13);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, node2_privkey, node3_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(4)), 4);
+ update_channel(&net_graph_msg_handler, &secp_ctx, node2_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 4,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (4 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 1000000,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 4,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (4 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
- { // Re-enable nodes 1, 2, and 8
- let mut network = router.network_map.write().unwrap();
- network.nodes.get_mut(&node1).unwrap().features.clear_unknown_bits();
- network.nodes.get_mut(&node2).unwrap().features.clear_unknown_bits();
- network.nodes.get_mut(&node8).unwrap().features.clear_unknown_bits();
- }
+ add_channel(&net_graph_msg_handler, &secp_ctx, node8_privkey, node3_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(13)), 13);
+ update_channel(&net_graph_msg_handler, &secp_ctx, node8_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 13,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (13 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 2000000,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 13,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (13 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node3_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(3)), 0);
+ add_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, node5_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(6)), 6);
+
+ update_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 6,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (6 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node5_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 6,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (6 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ add_channel(&net_graph_msg_handler, &secp_ctx, node5_privkey, node4_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(11)), 11);
+ update_channel(&net_graph_msg_handler, &secp_ctx, node5_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 11,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (11 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node4_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 11,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (11 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node5_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(5)), 0);
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node4_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(4)), 0);
+
+ add_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, node6_privkey, ChannelFeatures::from_le_bytes(id_to_feature_flags!(7)), 7);
+
+ update_channel(&net_graph_msg_handler, &secp_ctx, node3_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 7,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: (7 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 1000000,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, node6_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 7,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: (7 << 8) | 2,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node6_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(6)), 0);
+
+ // Simple route to 3 via 2
+ let route = get_route(&our_id, &net_graph_msg_handler, &node3, None, &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, node2);
+ assert_eq!(route.paths[0][0].short_channel_id, 2);
+ assert_eq!(route.paths[0][0].fee_msat, 100);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 4);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
+
+
+ // // Disable channels 4 and 12 by flags=2
+ update_channel(&net_graph_msg_handler, &secp_ctx, node2_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 4,
+ timestamp: 2,
+ flags: 2, // to disable
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 12,
+ timestamp: 2,
+ flags: 2, // to disable
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ // If all the channels require some features we don't understand, route should fail
+ if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &net_graph_msg_handler, &node3, None, &Vec::new(), 100, 42, Arc::clone(&logger)) {
+ assert_eq!(err, "Failed to find a path to the given destination");
+ } else { panic!(); }
+
+ // If we specify a channel to node8, that overrides our local channel view and that gets used
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node8.clone(),
+ counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = get_route(&our_id, &net_graph_msg_handler, &node3, Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, node8);
+ assert_eq!(route.paths[0][0].short_channel_id, 42);
+ assert_eq!(route.paths[0][0].fee_msat, 200);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]); // it should also override our view of their features
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 13);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
+
+ // Re-enable channels 4 and 12
+ update_channel(&net_graph_msg_handler, &secp_ctx, node2_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 4,
+ timestamp: 3,
+ flags: 0, // to enable
+ cltv_expiry_delta: (4 << 8) | 1,
+ htlc_minimum_msat: 0,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 1000000,
+ excess_data: Vec::new()
+ });
+ update_channel(&net_graph_msg_handler, &secp_ctx, our_privkey, UnsignedChannelUpdate {
+ chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ short_channel_id: 12,
+ timestamp: 3,
+ flags: 0, // to enable
+ cltv_expiry_delta: u16::max_value(),
+ htlc_minimum_msat: 0,
+ fee_base_msat: u32::max_value(),
+ fee_proportional_millionths: u32::max_value(),
+ excess_data: Vec::new()
+ });
+ // Disable nodes 1, 2, and 8 by requiring unknown feature bits
+ let mut unknown_features = NodeFeatures::known();
+ unknown_features.set_required_unknown_bits();
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node1_privkey, unknown_features.clone(), 1);
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node2_privkey, unknown_features.clone(), 1);
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node8_privkey, unknown_features.clone(), 1);
+
+ // // If all nodes require some features we don't understand, route should fail
+ // if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(&our_id, &net_graph_msg_handler, &node3, None, &Vec::new(), 100, 42, Arc::clone(&logger)) {
+ // assert_eq!(err, "Failed to find a path to the given destination");
+ // } else { panic!(); }
+
+ // If we specify a channel to node8, that overrides our local channel view and that gets used
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node8.clone(),
+ counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = get_route(&our_id, &net_graph_msg_handler, &node3, Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, node8);
+ assert_eq!(route.paths[0][0].short_channel_id, 42);
+ assert_eq!(route.paths[0][0].fee_msat, 200);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]); // it should also override our view of their features
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 13);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
+
+ // Re-enable nodes 1, 2, and 8
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node1_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(1)), 2);
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node2_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(2)), 2);
+ add_or_update_node(&net_graph_msg_handler, &secp_ctx, node8_privkey, NodeFeatures::from_le_bytes(id_to_feature_flags!(8)), 2);
// Note that we don't test disabling node 3 and failing to route to it, as we (somewhat
// naively) assume that the user checked the feature bits on the invoice, which override
// the node_announcement.
- { // Route to 1 via 2 and 3 because our channel to 1 is disabled
- let route = router.get_route(&node1, None, &Vec::new(), 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 3);
-
- assert_eq!(route.paths[0][0].pubkey, node2);
- assert_eq!(route.paths[0][0].short_channel_id, 2);
- assert_eq!(route.paths[0][0].fee_msat, 200);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 4);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, (3 << 8) | 2);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
-
- assert_eq!(route.paths[0][2].pubkey, node1);
- assert_eq!(route.paths[0][2].short_channel_id, 3);
- assert_eq!(route.paths[0][2].fee_msat, 100);
- assert_eq!(route.paths[0][2].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(1));
- assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(3));
- }
-
- { // If we specify a channel to node8, that overrides our local channel view and that gets used
- let our_chans = vec![channelmanager::ChannelDetails {
- channel_id: [0; 32],
- short_channel_id: Some(42),
- remote_network_id: node8.clone(),
- counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
- channel_value_satoshis: 0,
- user_id: 0,
- outbound_capacity_msat: 0,
- inbound_capacity_msat: 0,
- is_live: true,
- }];
- let route = router.get_route(&node3, Some(&our_chans), &Vec::new(), 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 2);
-
- assert_eq!(route.paths[0][0].pubkey, node8);
- assert_eq!(route.paths[0][0].short_channel_id, 42);
- assert_eq!(route.paths[0][0].fee_msat, 200);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]);
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 13);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
- }
-
+ // Route to 1 via 2 and 3 because our channel to 1 is disabled
+ let route = get_route(&our_id, &net_graph_msg_handler, &node1, None, &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 3);
+
+ assert_eq!(route.paths[0][0].pubkey, node2);
+ assert_eq!(route.paths[0][0].short_channel_id, 2);
+ assert_eq!(route.paths[0][0].fee_msat, 200);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 4);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, (3 << 8) | 2);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
+
+ assert_eq!(route.paths[0][2].pubkey, node1);
+ assert_eq!(route.paths[0][2].short_channel_id, 3);
+ assert_eq!(route.paths[0][2].fee_msat, 100);
+ assert_eq!(route.paths[0][2].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(1));
+ assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(3));
+
+ // If we specify a channel to node8, that overrides our local channel view and that gets used
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node8.clone(),
+ counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = get_route(&our_id, &net_graph_msg_handler, &node3, Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, node8);
+ assert_eq!(route.paths[0][0].short_channel_id, 42);
+ assert_eq!(route.paths[0][0].fee_msat, 200);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (13 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]);
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 13);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(13));
+
+ let zero_fees = RoutingFees {
+ base_msat: 0,
+ proportional_millionths: 0,
+ };
let mut last_hops = vec!(RouteHint {
src_node_id: node4.clone(),
short_channel_id: 8,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
+ fees: zero_fees,
cltv_expiry_delta: (8 << 8) | 1,
htlc_minimum_msat: 0,
}, RouteHint {
src_node_id: node5.clone(),
short_channel_id: 9,
- fee_base_msat: 1001,
- fee_proportional_millionths: 0,
+ fees: RoutingFees {
+ base_msat: 1001,
+ proportional_millionths: 0,
+ },
cltv_expiry_delta: (9 << 8) | 1,
htlc_minimum_msat: 0,
}, RouteHint {
src_node_id: node6.clone(),
short_channel_id: 10,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
+ fees: zero_fees,
cltv_expiry_delta: (10 << 8) | 1,
htlc_minimum_msat: 0,
});
- { // Simple test across 2, 3, 5, and 4 via a last_hop channel
- let route = router.get_route(&node7, None, &last_hops, 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 5);
-
- assert_eq!(route.paths[0][0].pubkey, node2);
- assert_eq!(route.paths[0][0].short_channel_id, 2);
- assert_eq!(route.paths[0][0].fee_msat, 100);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 4);
- assert_eq!(route.paths[0][1].fee_msat, 0);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, (6 << 8) | 1);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
-
- assert_eq!(route.paths[0][2].pubkey, node5);
- assert_eq!(route.paths[0][2].short_channel_id, 6);
- assert_eq!(route.paths[0][2].fee_msat, 0);
- assert_eq!(route.paths[0][2].cltv_expiry_delta, (11 << 8) | 1);
- assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(5));
- assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(6));
-
- assert_eq!(route.paths[0][3].pubkey, node4);
- assert_eq!(route.paths[0][3].short_channel_id, 11);
- assert_eq!(route.paths[0][3].fee_msat, 0);
- assert_eq!(route.paths[0][3].cltv_expiry_delta, (8 << 8) | 1);
- // If we have a peer in the node map, we'll use their features here since we don't have
- // a way of figuring out their features from the invoice:
- assert_eq!(route.paths[0][3].node_features.le_flags(), &id_to_feature_flags!(4));
- assert_eq!(route.paths[0][3].channel_features.le_flags(), &id_to_feature_flags!(11));
-
- assert_eq!(route.paths[0][4].pubkey, node7);
- assert_eq!(route.paths[0][4].short_channel_id, 8);
- assert_eq!(route.paths[0][4].fee_msat, 100);
- assert_eq!(route.paths[0][4].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][4].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
- assert_eq!(route.paths[0][4].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
- }
-
- { // Simple test with outbound channel to 4 to test that last_hops and first_hops connect
- let our_chans = vec![channelmanager::ChannelDetails {
- channel_id: [0; 32],
- short_channel_id: Some(42),
- remote_network_id: node4.clone(),
- counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
- channel_value_satoshis: 0,
- user_id: 0,
- outbound_capacity_msat: 0,
- inbound_capacity_msat: 0,
- is_live: true,
- }];
- let route = router.get_route(&node7, Some(&our_chans), &last_hops, 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 2);
-
- assert_eq!(route.paths[0][0].pubkey, node4);
- assert_eq!(route.paths[0][0].short_channel_id, 42);
- assert_eq!(route.paths[0][0].fee_msat, 0);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (8 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]);
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
-
- assert_eq!(route.paths[0][1].pubkey, node7);
- assert_eq!(route.paths[0][1].short_channel_id, 8);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
- }
-
- last_hops[0].fee_base_msat = 1000;
-
- { // Revert to via 6 as the fee on 8 goes up
- let route = router.get_route(&node7, None, &last_hops, 100, 42).unwrap();
- assert_eq!(route.paths[0].len(), 4);
-
- assert_eq!(route.paths[0][0].pubkey, node2);
- assert_eq!(route.paths[0][0].short_channel_id, 2);
- assert_eq!(route.paths[0][0].fee_msat, 200); // fee increased as its % of value transferred across node
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 4);
- assert_eq!(route.paths[0][1].fee_msat, 100);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, (7 << 8) | 1);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
-
- assert_eq!(route.paths[0][2].pubkey, node6);
- assert_eq!(route.paths[0][2].short_channel_id, 7);
- assert_eq!(route.paths[0][2].fee_msat, 0);
- assert_eq!(route.paths[0][2].cltv_expiry_delta, (10 << 8) | 1);
- // If we have a peer in the node map, we'll use their features here since we don't have
- // a way of figuring out their features from the invoice:
- assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(6));
- assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(7));
-
- assert_eq!(route.paths[0][3].pubkey, node7);
- assert_eq!(route.paths[0][3].short_channel_id, 10);
- assert_eq!(route.paths[0][3].fee_msat, 100);
- assert_eq!(route.paths[0][3].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][3].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
- assert_eq!(route.paths[0][3].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
- }
-
- { // ...but still use 8 for larger payments as 6 has a variable feerate
- let route = router.get_route(&node7, None, &last_hops, 2000, 42).unwrap();
- assert_eq!(route.paths[0].len(), 5);
-
- assert_eq!(route.paths[0][0].pubkey, node2);
- assert_eq!(route.paths[0][0].short_channel_id, 2);
- assert_eq!(route.paths[0][0].fee_msat, 3000);
- assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
- assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
- assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
-
- assert_eq!(route.paths[0][1].pubkey, node3);
- assert_eq!(route.paths[0][1].short_channel_id, 4);
- assert_eq!(route.paths[0][1].fee_msat, 0);
- assert_eq!(route.paths[0][1].cltv_expiry_delta, (6 << 8) | 1);
- assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
- assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
-
- assert_eq!(route.paths[0][2].pubkey, node5);
- assert_eq!(route.paths[0][2].short_channel_id, 6);
- assert_eq!(route.paths[0][2].fee_msat, 0);
- assert_eq!(route.paths[0][2].cltv_expiry_delta, (11 << 8) | 1);
- assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(5));
- assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(6));
-
- assert_eq!(route.paths[0][3].pubkey, node4);
- assert_eq!(route.paths[0][3].short_channel_id, 11);
- assert_eq!(route.paths[0][3].fee_msat, 1000);
- assert_eq!(route.paths[0][3].cltv_expiry_delta, (8 << 8) | 1);
- // If we have a peer in the node map, we'll use their features here since we don't have
- // a way of figuring out their features from the invoice:
- assert_eq!(route.paths[0][3].node_features.le_flags(), &id_to_feature_flags!(4));
- assert_eq!(route.paths[0][3].channel_features.le_flags(), &id_to_feature_flags!(11));
-
- assert_eq!(route.paths[0][4].pubkey, node7);
- assert_eq!(route.paths[0][4].short_channel_id, 8);
- assert_eq!(route.paths[0][4].fee_msat, 2000);
- assert_eq!(route.paths[0][4].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0][4].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
- assert_eq!(route.paths[0][4].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
- }
-
- { // Test Router serialization/deserialization
- let mut w = TestVecWriter(Vec::new());
- let network = router.network_map.read().unwrap();
- assert!(!network.channels.is_empty());
- assert!(!network.nodes.is_empty());
- network.write(&mut w).unwrap();
- assert!(<NetworkMap>::read(&mut ::std::io::Cursor::new(&w.0)).unwrap() == *network);
- }
- }
-
- #[test]
- fn request_full_sync_finite_times() {
- let (secp_ctx, _, router) = create_router();
- let node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap()[..]).unwrap());
-
- assert!(router.should_request_full_sync(&node_id));
- assert!(router.should_request_full_sync(&node_id));
- assert!(router.should_request_full_sync(&node_id));
- assert!(router.should_request_full_sync(&node_id));
- assert!(router.should_request_full_sync(&node_id));
- assert!(!router.should_request_full_sync(&node_id));
- }
-
- #[test]
- fn handling_node_announcements() {
- let (secp_ctx, _, router) = create_router();
-
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
- let zero_hash = Sha256dHash::hash(&[0; 32]);
- let first_announcement_time = 500;
-
- let mut unsigned_announcement = UnsignedNodeAnnouncement {
- features: NodeFeatures::known(),
- timestamp: first_announcement_time,
- node_id: node_id_1,
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- excess_address_data: Vec::new(),
- excess_data: Vec::new(),
- };
- let mut msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_announcement.clone()
- };
-
- match router.handle_node_announcement(&valid_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!("No existing channels for node_announcement", e.err)
- };
-
- {
- // Announce a channel to add a corresponding node.
- let unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::known(),
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
- short_channel_id: 0,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(res) => assert!(res),
- _ => panic!()
- };
- }
-
- match router.handle_node_announcement(&valid_announcement) {
- Ok(res) => assert!(res),
- Err(_) => panic!()
- };
-
- let fake_msghash = hash_to_message!(&zero_hash);
- match router.handle_node_announcement(
- &NodeAnnouncement {
- signature: secp_ctx.sign(&fake_msghash, node_1_privkey),
- contents: unsigned_announcement.clone()
- }) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Invalid signature from remote node")
- };
-
- unsigned_announcement.timestamp += 1000;
- unsigned_announcement.excess_data.push(1);
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let announcement_with_data = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_announcement.clone()
- };
- // Return false because contains excess data.
- match router.handle_node_announcement(&announcement_with_data) {
- Ok(res) => assert!(!res),
- Err(_) => panic!()
- };
- unsigned_announcement.excess_data = Vec::new();
-
- // Even though previous announcement was not relayed further, we still accepted it,
- // so we now won't accept announcements before the previous one.
- unsigned_announcement.timestamp -= 10;
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let outdated_announcement = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_announcement.clone()
- };
- match router.handle_node_announcement(&outdated_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Update older than last processed update")
- };
- }
-
- #[test]
- fn handling_channel_announcements() {
- let secp_ctx = Secp256k1::new();
- let our_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(
- &hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap());
- let logger: Arc<Logger> = Arc::new(test_utils::TestLogger::new());
- let chain_monitor = Arc::new(test_utils::TestChainWatcher::new());
- let router = Router::new(our_id, chain_monitor.clone(), Arc::clone(&logger));
-
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
-
- let good_script = Builder::new().push_opcode(opcodes::all::OP_PUSHNUM_2)
- .push_slice(&PublicKey::from_secret_key(&secp_ctx, node_1_btckey).serialize())
- .push_slice(&PublicKey::from_secret_key(&secp_ctx, node_2_btckey).serialize())
- .push_opcode(opcodes::all::OP_PUSHNUM_2)
- .push_opcode(opcodes::all::OP_CHECKMULTISIG).into_script().to_v0_p2wsh();
-
-
- let mut unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::known(),
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
- short_channel_id: 0,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let channel_key = unsigned_announcement.short_channel_id;
-
- let mut msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
-
- // Test if the UTXO lookups were not supported
- *chain_monitor.utxo_ret.lock().unwrap() = Err(chaininterface::ChainError::NotSupported);
-
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(res) => assert!(res),
- _ => panic!()
- };
- {
- let network = router.network_map.write().unwrap();
- match network.channels.get(&channel_key) {
- None => panic!(),
- Some(_) => ()
- }
- }
-
- // If we receive announcement for the same channel (with UTXO lookups disabled),
- // drop new one on the floor, since we can't see any changes.
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Already have knowledge of channel")
- };
-
-
- // Test if an associated transaction were not on-chain (or not confirmed).
- *chain_monitor.utxo_ret.lock().unwrap() = Err(chaininterface::ChainError::UnknownTx);
- unsigned_announcement.short_channel_id += 1;
-
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
-
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Channel announced without corresponding UTXO entry")
- };
-
-
- // Now test if the transaction is found in the UTXO set and the script is correct.
- unsigned_announcement.short_channel_id += 1;
- *chain_monitor.utxo_ret.lock().unwrap() = Ok((good_script.clone(), 0));
- let channel_key = unsigned_announcement.short_channel_id;
-
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(res) => assert!(res),
- _ => panic!()
- };
- {
- let network = router.network_map.write().unwrap();
- match network.channels.get(&channel_key) {
- None => panic!(),
- Some(_) => ()
- }
- }
-
- // If we receive announcement for the same channel (but TX is not confirmed),
- // drop new one on the floor, since we can't see any changes.
- *chain_monitor.utxo_ret.lock().unwrap() = Err(chaininterface::ChainError::UnknownTx);
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Channel announced without corresponding UTXO entry")
- };
-
- // But if it is confirmed, replace the channel
- *chain_monitor.utxo_ret.lock().unwrap() = Ok((good_script, 0));
- unsigned_announcement.features = ChannelFeatures::empty();
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(res) => assert!(res),
- _ => panic!()
- };
- {
- let mut network = router.network_map.write().unwrap();
- match network.channels.entry(channel_key) {
- BtreeEntry::Occupied(channel_entry) => {
- assert_eq!(channel_entry.get().features, ChannelFeatures::empty());
- },
- _ => panic!()
- }
- }
-
- // Don't relay valid channels with excess data
- unsigned_announcement.short_channel_id += 1;
- unsigned_announcement.excess_data.push(1);
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_announcement) {
- Ok(res) => assert!(!res),
- _ => panic!()
- };
-
- unsigned_announcement.excess_data = Vec::new();
- let invalid_sig_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_1_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&invalid_sig_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Invalid signature from remote node")
- };
-
- unsigned_announcement.node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let channel_to_itself_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_1_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&channel_to_itself_announcement) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Channel announcement node had a channel with itself")
- };
- }
-
- #[test]
- fn handling_channel_update() {
- let (secp_ctx, _, router) = create_router();
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
-
- let zero_hash = Sha256dHash::hash(&[0; 32]);
- let short_channel_id = 0;
- let chain_hash = genesis_block(Network::Testnet).header.bitcoin_hash();
- let channel_key = short_channel_id;
-
-
- {
- // Announce a channel we will update
- let unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::empty(),
- chain_hash,
- short_channel_id,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_channel_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_channel_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
-
- }
-
- let mut unsigned_channel_update = UnsignedChannelUpdate {
- chain_hash,
- short_channel_id,
- timestamp: 100,
- flags: 0,
- cltv_expiry_delta: 144,
- htlc_minimum_msat: 1000000,
- fee_base_msat: 10000,
- fee_proportional_millionths: 20,
- excess_data: Vec::new()
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
-
- match router.handle_channel_update(&valid_channel_update) {
- Ok(res) => assert!(res),
- _ => panic!()
- };
-
- {
- let network = router.network_map.write().unwrap();
- match network.channels.get(&channel_key) {
- None => panic!(),
- Some(channel_info) => {
- assert_eq!(channel_info.one_to_two.cltv_expiry_delta, 144);
- assert_eq!(channel_info.two_to_one.cltv_expiry_delta, u16::max_value());
- }
- }
- }
-
- unsigned_channel_update.timestamp += 100;
- unsigned_channel_update.excess_data.push(1);
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
- // Return false because contains excess data
- match router.handle_channel_update(&valid_channel_update) {
- Ok(res) => assert!(!res),
- _ => panic!()
- };
-
- unsigned_channel_update.short_channel_id += 1;
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
-
- match router.handle_channel_update(&valid_channel_update) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Couldn't find channel for update")
- };
- unsigned_channel_update.short_channel_id = short_channel_id;
-
-
- // Even though previous update was not relayed further, we still accepted it,
- // so we now won't accept update before the previous one.
- unsigned_channel_update.timestamp -= 10;
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
-
- match router.handle_channel_update(&valid_channel_update) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Update older than last processed update")
- };
- unsigned_channel_update.timestamp += 500;
-
- let fake_msghash = hash_to_message!(&zero_hash);
- let invalid_sig_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&fake_msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
-
- match router.handle_channel_update(&invalid_sig_channel_update) {
- Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Invalid signature from remote node")
- };
-
- }
-
- #[test]
- fn handling_htlc_fail_channel_update() {
- let (secp_ctx, our_id, router) = create_router();
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
-
- let short_channel_id = 0;
- let chain_hash = genesis_block(Network::Testnet).header.bitcoin_hash();
- let channel_key = short_channel_id;
-
- {
- // There is only local node in the table at the beginning.
- let network = router.network_map.read().unwrap();
- assert_eq!(network.nodes.len(), 1);
- assert_eq!(network.nodes.contains_key(&our_id), true);
- }
-
- {
- // Announce a channel we will update
- let unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::empty(),
- chain_hash,
- short_channel_id,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_channel_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_channel_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
-
- }
-
- let channel_close_msg = HTLCFailChannelUpdate::ChannelClosed {
- short_channel_id,
- is_permanent: false
- };
-
- router.handle_htlc_fail_channel_update(&channel_close_msg);
-
- {
- // Non-permanent closing just disables a channel
- let network = router.network_map.write().unwrap();
- match network.channels.get(&channel_key) {
- None => panic!(),
- Some(channel_info) => {
- assert!(!channel_info.one_to_two.enabled);
- assert!(!channel_info.two_to_one.enabled);
- }
- }
- }
-
- let channel_close_msg = HTLCFailChannelUpdate::ChannelClosed {
- short_channel_id,
- is_permanent: true
- };
-
- router.handle_htlc_fail_channel_update(&channel_close_msg);
-
- {
- // Permanent closing deletes a channel
- let network = router.network_map.read().unwrap();
- assert_eq!(network.channels.len(), 0);
- // Nodes are also deleted because there are no associated channels anymore
- // Only the local node remains in the table.
- assert_eq!(network.nodes.len(), 1);
- assert_eq!(network.nodes.contains_key(&our_id), true);
- }
-
- // TODO: Test HTLCFailChannelUpdate::NodeFailure, which is not implemented yet.
- }
-
- #[test]
- fn getting_next_channel_announcements() {
- let (secp_ctx, _, router) = create_router();
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
-
- let short_channel_id = 1;
- let chain_hash = genesis_block(Network::Testnet).header.bitcoin_hash();
- let channel_key = short_channel_id;
-
- // Channels were not announced yet.
- let channels_with_announcements = router.get_next_channel_announcements(0, 1);
- assert_eq!(channels_with_announcements.len(), 0);
-
- {
- // Announce a channel we will update
- let unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::empty(),
- chain_hash,
- short_channel_id,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_channel_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_channel_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
- }
-
- // Contains initial channel announcement now.
- let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
- assert_eq!(channels_with_announcements.len(), 1);
- if let Some(channel_announcements) = channels_with_announcements.first() {
- let &(_, ref update_1, ref update_2) = channel_announcements;
- assert_eq!(update_1, &None);
- assert_eq!(update_2, &None);
- } else {
- panic!();
- }
-
-
- {
- // Valid channel update
- let unsigned_channel_update = UnsignedChannelUpdate {
- chain_hash,
- short_channel_id,
- timestamp: 101,
- flags: 0,
- cltv_expiry_delta: 144,
- htlc_minimum_msat: 1000000,
- fee_base_msat: 10000,
- fee_proportional_millionths: 20,
- excess_data: Vec::new()
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
- match router.handle_channel_update(&valid_channel_update) {
- Ok(_) => (),
- Err(_) => panic!()
- };
- }
-
- // Now contains an initial announcement and an update.
- let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
- assert_eq!(channels_with_announcements.len(), 1);
- if let Some(channel_announcements) = channels_with_announcements.first() {
- let &(_, ref update_1, ref update_2) = channel_announcements;
- assert_ne!(update_1, &None);
- assert_eq!(update_2, &None);
- } else {
- panic!();
- }
-
-
- {
- // Channel update with excess data.
- let unsigned_channel_update = UnsignedChannelUpdate {
- chain_hash,
- short_channel_id,
- timestamp: 102,
- flags: 0,
- cltv_expiry_delta: 144,
- htlc_minimum_msat: 1000000,
- fee_base_msat: 10000,
- fee_proportional_millionths: 20,
- excess_data: [1; 3].to_vec()
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
- let valid_channel_update = ChannelUpdate {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_channel_update.clone()
- };
- match router.handle_channel_update(&valid_channel_update) {
- Ok(_) => (),
- Err(_) => panic!()
- };
- }
-
- // Test that announcements with excess data won't be returned
- let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
- assert_eq!(channels_with_announcements.len(), 1);
- if let Some(channel_announcements) = channels_with_announcements.first() {
- let &(_, ref update_1, ref update_2) = channel_announcements;
- assert_eq!(update_1, &None);
- assert_eq!(update_2, &None);
- } else {
- panic!();
- }
-
- // Further starting point have no channels after it
- let channels_with_announcements = router.get_next_channel_announcements(channel_key + 1000, 1);
- assert_eq!(channels_with_announcements.len(), 0);
- }
-
- #[test]
- fn getting_next_node_announcements() {
- let (secp_ctx, _, router) = create_router();
- let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
- let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
- let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_1_privkey);
- let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
- let node_1_btckey = &SecretKey::from_slice(&[40; 32]).unwrap();
- let node_2_btckey = &SecretKey::from_slice(&[39; 32]).unwrap();
-
- let short_channel_id = 1;
- let chain_hash = genesis_block(Network::Testnet).header.bitcoin_hash();
-
- // No nodes yet.
- let next_announcements = router.get_next_node_announcements(None, 10);
- assert_eq!(next_announcements.len(), 0);
-
- {
- // Announce a channel to add 2 nodes
- let unsigned_announcement = UnsignedChannelAnnouncement {
- features: ChannelFeatures::empty(),
- chain_hash,
- short_channel_id,
- node_id_1,
- node_id_2,
- bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, node_1_btckey),
- bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, node_2_btckey),
- excess_data: Vec::new(),
- };
-
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_channel_announcement = ChannelAnnouncement {
- node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
- node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
- bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
- bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
- contents: unsigned_announcement.clone(),
- };
- match router.handle_channel_announcement(&valid_channel_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
- }
-
-
- // Nodes were never announced
- let next_announcements = router.get_next_node_announcements(None, 3);
- assert_eq!(next_announcements.len(), 0);
-
- {
- let mut unsigned_announcement = UnsignedNodeAnnouncement {
- features: NodeFeatures::known(),
- timestamp: 1000,
- node_id: node_id_1,
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- excess_address_data: Vec::new(),
- excess_data: Vec::new(),
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_1_privkey),
- contents: unsigned_announcement.clone()
- };
- match router.handle_node_announcement(&valid_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
-
- unsigned_announcement.node_id = node_id_2;
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_2_privkey),
- contents: unsigned_announcement.clone()
- };
-
- match router.handle_node_announcement(&valid_announcement) {
- Ok(_) => (),
- Err(_) => panic!()
- };
- }
-
- let next_announcements = router.get_next_node_announcements(None, 3);
- assert_eq!(next_announcements.len(), 2);
-
- // Skip the first node.
- let next_announcements = router.get_next_node_announcements(Some(&node_id_1), 2);
- assert_eq!(next_announcements.len(), 1);
-
- {
- // Later announcement which should not be relayed (excess data) prevent us from sharing a node
- let unsigned_announcement = UnsignedNodeAnnouncement {
- features: NodeFeatures::known(),
- timestamp: 1010,
- node_id: node_id_2,
- rgb: [0; 3],
- alias: [0; 32],
- addresses: Vec::new(),
- excess_address_data: Vec::new(),
- excess_data: [1; 3].to_vec(),
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
- let valid_announcement = NodeAnnouncement {
- signature: secp_ctx.sign(&msghash, node_2_privkey),
- contents: unsigned_announcement.clone()
- };
- match router.handle_node_announcement(&valid_announcement) {
- Ok(res) => assert!(!res),
- Err(_) => panic!()
- };
- }
-
- let next_announcements = router.get_next_node_announcements(Some(&node_id_1), 2);
- assert_eq!(next_announcements.len(), 0);
-
+ // Simple test across 2, 3, 5, and 4 via a last_hop channel
+ let route = get_route(&our_id, &net_graph_msg_handler, &node7, None, &last_hops, 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 5);
+
+ assert_eq!(route.paths[0][0].pubkey, node2);
+ assert_eq!(route.paths[0][0].short_channel_id, 2);
+ assert_eq!(route.paths[0][0].fee_msat, 100);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 4);
+ assert_eq!(route.paths[0][1].fee_msat, 0);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, (6 << 8) | 1);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
+
+ assert_eq!(route.paths[0][2].pubkey, node5);
+ assert_eq!(route.paths[0][2].short_channel_id, 6);
+ assert_eq!(route.paths[0][2].fee_msat, 0);
+ assert_eq!(route.paths[0][2].cltv_expiry_delta, (11 << 8) | 1);
+ assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(5));
+ assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(6));
+
+ assert_eq!(route.paths[0][3].pubkey, node4);
+ assert_eq!(route.paths[0][3].short_channel_id, 11);
+ assert_eq!(route.paths[0][3].fee_msat, 0);
+ assert_eq!(route.paths[0][3].cltv_expiry_delta, (8 << 8) | 1);
+ // If we have a peer in the node map, we'll use their features here since we don't have
+ // a way of figuring out their features from the invoice:
+ assert_eq!(route.paths[0][3].node_features.le_flags(), &id_to_feature_flags!(4));
+ assert_eq!(route.paths[0][3].channel_features.le_flags(), &id_to_feature_flags!(11));
+
+ assert_eq!(route.paths[0][4].pubkey, node7);
+ assert_eq!(route.paths[0][4].short_channel_id, 8);
+ assert_eq!(route.paths[0][4].fee_msat, 100);
+ assert_eq!(route.paths[0][4].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][4].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
+ assert_eq!(route.paths[0][4].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
+
+ // Simple test with outbound channel to 4 to test that last_hops and first_hops connect
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node4.clone(),
+ counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = get_route(&our_id, &net_graph_msg_handler, &node7, Some(&our_chans), &last_hops, 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, node4);
+ assert_eq!(route.paths[0][0].short_channel_id, 42);
+ assert_eq!(route.paths[0][0].fee_msat, 0);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (8 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &vec![0b11]);
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &Vec::new()); // No feature flags will meet the relevant-to-channel conversion
+
+ assert_eq!(route.paths[0][1].pubkey, node7);
+ assert_eq!(route.paths[0][1].short_channel_id, 8);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
+
+ last_hops[0].fees.base_msat = 1000;
+
+ // Revert to via 6 as the fee on 8 goes up
+ let route = get_route(&our_id, &net_graph_msg_handler, &node7, None, &last_hops, 100, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 4);
+
+ assert_eq!(route.paths[0][0].pubkey, node2);
+ assert_eq!(route.paths[0][0].short_channel_id, 2);
+ assert_eq!(route.paths[0][0].fee_msat, 200); // fee increased as its % of value transferred across node
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 4);
+ assert_eq!(route.paths[0][1].fee_msat, 100);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, (7 << 8) | 1);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
+
+ assert_eq!(route.paths[0][2].pubkey, node6);
+ assert_eq!(route.paths[0][2].short_channel_id, 7);
+ assert_eq!(route.paths[0][2].fee_msat, 0);
+ assert_eq!(route.paths[0][2].cltv_expiry_delta, (10 << 8) | 1);
+ // If we have a peer in the node map, we'll use their features here since we don't have
+ // a way of figuring out their features from the invoice:
+ assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(6));
+ assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(7));
+
+ assert_eq!(route.paths[0][3].pubkey, node7);
+ assert_eq!(route.paths[0][3].short_channel_id, 10);
+ assert_eq!(route.paths[0][3].fee_msat, 100);
+ assert_eq!(route.paths[0][3].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][3].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
+ assert_eq!(route.paths[0][3].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
+
+ // ...but still use 8 for larger payments as 6 has a variable feerate
+ let route = get_route(&our_id, &net_graph_msg_handler, &node7, None, &last_hops, 2000, 42, Arc::clone(&logger)).unwrap();
+ assert_eq!(route.paths[0].len(), 5);
+
+ assert_eq!(route.paths[0][0].pubkey, node2);
+ assert_eq!(route.paths[0][0].short_channel_id, 2);
+ assert_eq!(route.paths[0][0].fee_msat, 3000);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (4 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &id_to_feature_flags!(2));
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &id_to_feature_flags!(2));
+
+ assert_eq!(route.paths[0][1].pubkey, node3);
+ assert_eq!(route.paths[0][1].short_channel_id, 4);
+ assert_eq!(route.paths[0][1].fee_msat, 0);
+ assert_eq!(route.paths[0][1].cltv_expiry_delta, (6 << 8) | 1);
+ assert_eq!(route.paths[0][1].node_features.le_flags(), &id_to_feature_flags!(3));
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &id_to_feature_flags!(4));
+
+ assert_eq!(route.paths[0][2].pubkey, node5);
+ assert_eq!(route.paths[0][2].short_channel_id, 6);
+ assert_eq!(route.paths[0][2].fee_msat, 0);
+ assert_eq!(route.paths[0][2].cltv_expiry_delta, (11 << 8) | 1);
+ assert_eq!(route.paths[0][2].node_features.le_flags(), &id_to_feature_flags!(5));
+ assert_eq!(route.paths[0][2].channel_features.le_flags(), &id_to_feature_flags!(6));
+
+ assert_eq!(route.paths[0][3].pubkey, node4);
+ assert_eq!(route.paths[0][3].short_channel_id, 11);
+ assert_eq!(route.paths[0][3].fee_msat, 1000);
+ assert_eq!(route.paths[0][3].cltv_expiry_delta, (8 << 8) | 1);
+ // If we have a peer in the node map, we'll use their features here since we don't have
+ // a way of figuring out their features from the invoice:
+ assert_eq!(route.paths[0][3].node_features.le_flags(), &id_to_feature_flags!(4));
+ assert_eq!(route.paths[0][3].channel_features.le_flags(), &id_to_feature_flags!(11));
+
+ assert_eq!(route.paths[0][4].pubkey, node7);
+ assert_eq!(route.paths[0][4].short_channel_id, 8);
+ assert_eq!(route.paths[0][4].fee_msat, 2000);
+ assert_eq!(route.paths[0][4].cltv_expiry_delta, 42);
+ assert_eq!(route.paths[0][4].node_features.le_flags(), &Vec::new()); // We dont pass flags in from invoices yet
+ assert_eq!(route.paths[0][4].channel_features.le_flags(), &Vec::new()); // We can't learn any flags from invoices, sadly
}
}
projects / rust-lightning / blobdiff