+//! The top-level routing/network map tracking logic lives here.
+//!
+//! You probably want to create a Router and use that as your RoutingMessageHandler and then
+//! interrogate it to get routes for your own payments.
+
use secp256k1::key::PublicKey;
use secp256k1::{Secp256k1,Message};
+use secp256k1;
use bitcoin::util::hash::Sha256dHash;
+use bitcoin::blockdata::script::Builder;
+use bitcoin::blockdata::opcodes;
+use chain::chaininterface::{ChainError, ChainWatchInterface};
use ln::channelmanager;
-use ln::msgs::{ErrorAction,HandleError,RoutingMessageHandler,MsgEncodable,NetAddress,GlobalFeatures};
+use ln::msgs::{ErrorAction,HandleError,RoutingMessageHandler,NetAddress,GlobalFeatures};
use ln::msgs;
+use util::ser::Writeable;
+use util::logger::Logger;
use std::cmp;
-use std::sync::RwLock;
+use std::sync::{RwLock,Arc};
use std::collections::{HashMap,BinaryHeap};
use std::collections::hash_map::Entry;
+use std;
/// A hop in a route
#[derive(Clone)]
pub struct RouteHop {
+ /// The node_id of the node at this hop.
pub pubkey: PublicKey,
/// The channel that should be used from the previous hop to reach this node.
pub short_channel_id: u64,
/// The fee taken on this hop. For the last hop, this should be the full value of the payment.
pub fee_msat: u64,
/// The CLTV delta added for this hop. For the last hop, this should be the full CLTV value
- /// expected at the destination, NOT a delta.
+ /// expected at the destination, in excess of the current block height.
pub cltv_expiry_delta: u32,
}
fee_proportional_millionths: u32,
}
+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(())
+ }
+}
+
struct ChannelInfo {
features: GlobalFeatures,
one_to_two: DirectionalChannelInfo,
two_to_one: DirectionalChannelInfo,
}
+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(())
+ }
+}
+
struct NodeInfo {
#[cfg(feature = "non_bitcoin_chain_hash_routing")]
channels: Vec<(u64, Sha256dHash)>,
addresses: Vec<NetAddress>,
}
+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(())
+ }
+}
+
struct NetworkMap {
#[cfg(feature = "non_bitcoin_chain_hash_routing")]
channels: HashMap<(u64, Sha256dHash), ChannelInfo>,
our_node_id: PublicKey,
nodes: HashMap<PublicKey, NodeInfo>,
}
+struct MutNetworkMap<'a> {
+ #[cfg(feature = "non_bitcoin_chain_hash_routing")]
+ channels: &'a mut HashMap<(u64, Sha256dHash), ChannelInfo>,
+ #[cfg(not(feature = "non_bitcoin_chain_hash_routing"))]
+ channels: &'a mut HashMap<u64, ChannelInfo>,
+ nodes: &'a mut HashMap<PublicKey, NodeInfo>,
+}
+impl NetworkMap {
+ fn borrow_parts(&mut self) -> MutNetworkMap {
+ MutNetworkMap {
+ channels: &mut self.channels,
+ nodes: &mut self.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(())
+ }
+}
impl NetworkMap {
#[cfg(feature = "non_bitcoin_chain_hash_routing")]
fn get_key(short_channel_id: u64, _: Sha256dHash) -> u64 {
short_channel_id
}
+
+ #[cfg(feature = "non_bitcoin_chain_hash_routing")]
+ #[inline]
+ fn get_short_id(id: &(u64, Sha256dHash)) -> &u64 {
+ &id.0
+ }
+
+ #[cfg(not(feature = "non_bitcoin_chain_hash_routing"))]
+ #[inline]
+ fn get_short_id(id: &u64) -> &u64 {
+ id
+ }
}
/// 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,
- pub fee_base_msat: 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 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,
+ secp_ctx: Secp256k1<secp256k1::VerifyOnly>,
network_map: RwLock<NetworkMap>,
+ chain_monitor: Arc<ChainWatchInterface>,
+ logger: Arc<Logger>,
}
macro_rules! secp_verify_sig {
}
impl RoutingMessageHandler for Router {
- fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<(), HandleError> {
+ fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, HandleError> {
let msg_hash = Message::from_slice(&Sha256dHash::from_data(&msg.contents.encode()[..])[..]).unwrap();
secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &msg.contents.node_id);
+ if msg.contents.features.requires_unknown_bits() {
+ panic!("Unknown-required-features NodeAnnouncements should never deserialize!");
+ }
+
let mut network = self.network_map.write().unwrap();
match network.nodes.get_mut(&msg.contents.node_id) {
None => Err(HandleError{err: "No existing channels for node_announcement", action: Some(ErrorAction::IgnoreError)}),
node.rgb = msg.contents.rgb;
node.alias = msg.contents.alias;
node.addresses = msg.contents.addresses.clone();
- Ok(())
+ Ok(msg.contents.excess_data.is_empty() && msg.contents.excess_address_data.is_empty() && !msg.contents.features.supports_unknown_bits())
}
}
}
fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, HandleError> {
+ if msg.contents.node_id_1 == msg.contents.node_id_2 || msg.contents.bitcoin_key_1 == msg.contents.bitcoin_key_2 {
+ return Err(HandleError{err: "Channel announcement node had a channel with itself", action: Some(ErrorAction::IgnoreError)});
+ }
+
let msg_hash = Message::from_slice(&Sha256dHash::from_data(&msg.contents.encode()[..])[..]).unwrap();
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);
- //TODO: Call blockchain thing to ask if the short_channel_id is valid
- //TODO: Only allow bitcoin chain_hash
-
if msg.contents.features.requires_unknown_bits() {
- return Err(HandleError{err: "Channel announcement required unknown feature flags", action: None});
+ panic!("Unknown-required-features ChannelAnnouncements should never deserialize!");
}
- let mut network = self.network_map.write().unwrap();
+ 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(HandleError{err: "Channel announcement keys didn't match on-chain script", action: Some(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(HandleError{err: "Channel announced on an unknown chain", action: Some(ErrorAction::IgnoreError)});
+ },
+ Err(ChainError::UnknownTx) => {
+ return Err(HandleError{err: "Channel announced without corresponding UTXO entry", action: Some(ErrorAction::IgnoreError)});
+ },
+ };
+
+ let mut network_lock = self.network_map.write().unwrap();
+ let network = network_lock.borrow_parts();
+
+ 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(),
+ },
+ 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(),
+ }
+ };
match network.channels.entry(NetworkMap::get_key(msg.contents.short_channel_id, msg.contents.chain_hash)) {
- Entry::Occupied(_) => {
+ Entry::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 its unclear
//exactly how...
- return Err(HandleError{err: "Already have knowledge of channel", action: Some(ErrorAction::IgnoreError)})
+ 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(network.nodes, &entry.get(), msg.contents.short_channel_id);
+ *entry.get_mut() = chan_info;
+ } else {
+ return Err(HandleError{err: "Already have knowledge of channel", action: Some(ErrorAction::IgnoreError)})
+ }
},
Entry::Vacant(entry) => {
- entry.insert(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(),
- },
- 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(),
- }
- });
+ entry.insert(chan_info);
}
};
add_channel_to_node!(msg.contents.node_id_1);
add_channel_to_node!(msg.contents.node_id_2);
- Ok(!msg.contents.features.supports_unknown_bits())
+ Ok(msg.contents.excess_data.is_empty() && !msg.contents.features.supports_unknown_bits())
}
fn handle_htlc_fail_channel_update(&self, update: &msgs::HTLCFailChannelUpdate) {
&msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } => {
let _ = self.handle_channel_update(msg);
},
- &msgs::HTLCFailChannelUpdate::ChannelClosed { ref short_channel_id } => {
+ &msgs::HTLCFailChannelUpdate::ChannelClosed { ref short_channel_id, is_permanent:_ } => {
+//XXX
let mut network = self.network_map.write().unwrap();
- network.channels.remove(short_channel_id);
+ if let Some(chan) = network.channels.remove(short_channel_id) {
+ Self::remove_channel_in_nodes(&mut network.nodes, &chan, *short_channel_id);
+ }
+ },
+ &msgs::HTLCFailChannelUpdate::NodeFailure { ref node_id, is_permanent:_ } => {
+//XXX
+ //let mut network = self.network_map.write().unwrap();
+ //TODO: check _blamed_upstream_node
+ self.mark_node_bad(node_id, false);
},
}
}
- fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<(), HandleError> {
+ fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<bool, HandleError> {
let mut network = self.network_map.write().unwrap();
let dest_node_id;
let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
mut_node.lowest_inbound_channel_fee_proportional_millionths = lowest_inbound_channel_fee_proportional_millionths;
}
- Ok(())
+ Ok(msg.contents.excess_data.is_empty())
}
}
struct RouteGraphNode {
pubkey: PublicKey,
lowest_fee_to_peer_through_node: u64,
+ lowest_fee_to_node: u64,
}
impl cmp::Ord for RouteGraphNode {
}
impl Router {
- pub fn new(our_pubkey: PublicKey) -> 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 = HashMap::new();
nodes.insert(our_pubkey.clone(), NodeInfo {
channels: Vec::new(),
addresses: Vec::new(),
});
Router {
- secp_ctx: Secp256k1::new(),
+ secp_ctx: Secp256k1::verification_only(),
network_map: RwLock::new(NetworkMap {
channels: HashMap::new(),
our_node_id: our_pubkey,
nodes: nodes,
}),
+ 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();
unimplemented!();
}
+ fn remove_channel_in_nodes(nodes: &mut HashMap<PublicKey, NodeInfo>, chan: &ChannelInfo, short_channel_id: u64) {
+ macro_rules! remove_from_node {
+ ($node_id: expr) => {
+ if let Entry::Occupied(mut entry) = nodes.entry($node_id) {
+ entry.get_mut().channels.retain(|chan_id| {
+ short_channel_id != *NetworkMap::get_short_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);
+ }
+
/// 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
+ /// 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.
return Err(HandleError{err: "Cannot generate a route to ourselves", action: None});
}
+ if final_value_msat > 21_000_000 * 1_0000_0000 * 1000 {
+ return Err(HandleError{err: "Cannot generate a route of more value than all existing satoshis", action: None});
+ }
+
// 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
( $chan_id: expr, $dest_node_id: expr, $directional_info: 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 new_fee = $directional_info.fee_base_msat as u64 + ($starting_fee_msat + final_value_msat) * ($directional_info.fee_proportional_millionths as u64) / 1000000;
- let mut total_fee = $starting_fee_msat as u64;
- let mut hm_entry = dist.entry(&$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 as u64,
- node.lowest_inbound_channel_fee_proportional_millionths as u64,
- RouteHop {
- pubkey: PublicKey::new(),
- short_channel_id: 0,
- 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;
- total_fee += old_entry.2 * (final_value_msat + total_fee) / 1000000 + old_entry.1;
- }
- let new_graph_node = RouteGraphNode {
- pubkey: $directional_info.src_node_id,
- lowest_fee_to_peer_through_node: total_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(),
- short_channel_id: $chan_id.clone(),
- fee_msat: new_fee, // This field is ignored on the last-hop anyway
- cltv_expiry_delta: $directional_info.cltv_expiry_delta as u32,
+ let proportional_fee_millions = ($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(),
+ short_channel_id: 0,
+ 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,
+ };
+ 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(),
+ short_channel_id: $chan_id.clone(),
+ fee_msat: new_fee, // This field is ignored on the last-hop anyway
+ cltv_expiry_delta: $directional_info.cltv_expiry_delta as u32,
+ }
}
}
}
}
}
- while let Some(RouteGraphNode { pubkey, lowest_fee_to_peer_through_node }) = targets.pop() {
+ 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);
while res.last().unwrap().pubkey != *target {
- let new_entry = dist.remove(&res.last().unwrap().pubkey).unwrap().3;
+ let new_entry = match dist.remove(&res.last().unwrap().pubkey) {
+ Some(hop) => hop.3,
+ None => return Err(HandleError{err: "Failed to find a non-fee-overflowing path to the given destination", action: None}),
+ };
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;
- return Ok(Route {
- hops: res
- });
+ let route = Route { hops: res };
+ log_trace!(self, "Got route: {}", log_route!(route));
+ return Ok(route);
}
match network.nodes.get(&pubkey) {
None => {},
Some(node) => {
- let mut fee = lowest_fee_to_peer_through_node - node.lowest_inbound_channel_fee_base_msat as u64;
- fee -= node.lowest_inbound_channel_fee_proportional_millionths as u64 * (fee + final_value_msat) / 1000000;
- add_entries_to_cheapest_to_target_node!(node, &pubkey, fee);
+ add_entries_to_cheapest_to_target_node!(node, &pubkey, lowest_fee_to_node);
},
}
}
#[cfg(test)]
mod tests {
+ use chain::chaininterface;
use ln::channelmanager;
use ln::router::{Router,NodeInfo,NetworkMap,ChannelInfo,DirectionalChannelInfo,RouteHint};
use ln::msgs::GlobalFeatures;
+ use util::test_utils;
+ use util::logger::Logger;
- use bitcoin::util::misc::hex_bytes;
use bitcoin::util::hash::Sha256dHash;
+ use bitcoin::network::constants::Network;
+
+ use hex;
use secp256k1::key::{PublicKey,SecretKey};
use secp256k1::Secp256k1;
+ use std::sync::Arc;
+
#[test]
fn route_test() {
let secp_ctx = Secp256k1::new();
- let our_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap()).unwrap();
- let router = Router::new(our_id);
+ let our_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &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));
// Build network from our_id to node8:
//
// 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(&secp_ctx, &hex_bytes("0202020202020202020202020202020202020202020202020202020202020202").unwrap()[..]).unwrap()).unwrap();
- let node2 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0303030303030303030303030303030303030303030303030303030303030303").unwrap()[..]).unwrap()).unwrap();
- let node3 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0404040404040404040404040404040404040404040404040404040404040404").unwrap()[..]).unwrap()).unwrap();
- let node4 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0505050505050505050505050505050505050505050505050505050505050505").unwrap()[..]).unwrap()).unwrap();
- let node5 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0606060606060606060606060606060606060606060606060606060606060606").unwrap()[..]).unwrap()).unwrap();
- let node6 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0707070707070707070707070707070707070707070707070707070707070707").unwrap()[..]).unwrap()).unwrap();
- let node7 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0808080808080808080808080808080808080808080808080808080808080808").unwrap()[..]).unwrap()).unwrap();
- let node8 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("0909090909090909090909090909090909090909090909090909090909090909").unwrap()[..]).unwrap()).unwrap();
+ let node1 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap()[..]).unwrap());
+ let node2 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0303030303030303030303030303030303030303030303030303030303030303").unwrap()[..]).unwrap());
+ let node3 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0404040404040404040404040404040404040404040404040404040404040404").unwrap()[..]).unwrap());
+ let node4 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0505050505050505050505050505050505050505050505050505050505050505").unwrap()[..]).unwrap());
+ let node5 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0606060606060606060606060606060606060606060606060606060606060606").unwrap()[..]).unwrap());
+ let node6 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0707070707070707070707070707070707070707070707070707070707070707").unwrap()[..]).unwrap());
+ let node7 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0808080808080808080808080808080808080808080808080808080808080808").unwrap()[..]).unwrap());
+ let node8 = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("0909090909090909090909090909090909090909090909090909090909090909").unwrap()[..]).unwrap());
let zero_hash = Sha256dHash::from_data(&[0; 32]);