use bitcoin::secp256k1::key::PublicKey;
-use ln::channelmanager;
+use ln::channelmanager::ChannelDetails;
use ln::features::{ChannelFeatures, NodeFeatures};
use ln::msgs::{DecodeError, ErrorAction, LightningError, MAX_VALUE_MSAT};
use routing::network_graph::{NetworkGraph, RoutingFees};
pub cltv_expiry_delta: u32,
}
+/// (C-not exported)
impl Writeable for Vec<RouteHop> {
fn write<W: ::util::ser::Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
(self.len() as u8).write(writer)?;
}
}
+/// (C-not exported)
impl Readable for Vec<RouteHop> {
fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Vec<RouteHop>, DecodeError> {
let hops_count: u8 = Readable::read(reader)?;
}
/// A channel descriptor which provides a last-hop route to get_route
+#[derive(Clone)]
pub struct RouteHint {
/// The node_id of the non-target end of the route
pub src_node_id: PublicKey,
/// 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<L: Deref>(our_node_id: &PublicKey, network: &NetworkGraph, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>,
- last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32, logger: L) -> Result<Route, LightningError> where L::Target: Logger {
+pub fn get_route<L: Deref>(our_node_id: &PublicKey, network: &NetworkGraph, target: &PublicKey, first_hops: Option<&[&ChannelDetails]>,
+ last_hops: &[&RouteHint], final_value_msat: u64, final_cltv: u32, logger: L) -> Result<Route, LightningError> where L::Target: Logger {
// 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 {
let mut total_fee = $starting_fee_msat as u64;
let hm_entry = dist.entry(&$src_node_id);
let old_entry = hm_entry.or_insert_with(|| {
- let node = network.get_nodes().get(&$src_node_id).unwrap();
let mut fee_base_msat = u32::max_value();
let mut fee_proportional_millionths = u32::max_value();
- if let Some(fees) = node.lowest_inbound_channel_fees {
+ if let Some(fees) = network.get_nodes().get(&$src_node_id).and_then(|node| node.lowest_inbound_channel_fees) {
fee_base_msat = fees.base_msat;
fee_proportional_millionths = fees.proportional_millionths;
- };
+ }
(u64::max_value(),
fee_base_msat,
fee_proportional_millionths,
}
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, *our_node_id , 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, hop.src_node_id, target, hop, ChannelFeatures::empty(), 0);
- }
+ let have_hop_src_in_graph =
+ if let Some(&(ref first_hop, ref features)) = first_hop_targets.get(&hop.src_node_id) {
+ // If this hop connects to a node with which we have a direct channel, ignore the
+ // network graph and add both the hop and our direct channel to the candidate set:
+ //
+ // 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, *our_node_id , hop.src_node_id, dummy_directional_info, features.to_context(), 0);
+ true
+ } else {
+ // In any other case, only add the hop if the source is in the regular network
+ // graph:
+ network.get_nodes().get(&hop.src_node_id).is_some()
+ };
+ if have_hop_src_in_graph {
+ // 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, hop.src_node_id, target, hop, ChannelFeatures::empty(), 0);
}
}
#[cfg(test)]
mod tests {
- use chain::chaininterface;
use routing::router::{get_route, RouteHint, RoutingFees};
- use routing::network_graph::NetGraphMsgHandler;
+ use routing::network_graph::{NetworkGraph, NetGraphMsgHandler};
use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
use ln::msgs::{ErrorAction, LightningError, OptionalField, UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingMessageHandler,
NodeAnnouncement, UnsignedNodeAnnouncement, ChannelUpdate, UnsignedChannelUpdate};
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
use bitcoin::blockdata::constants::genesis_block;
- use bitcoin::util::hash::BitcoinHash;
use hex;
use std::sync::Arc;
// Using the same keys for LN and BTC ids
- fn add_channel(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
chaininterface::ChainWatchInterfaceUtil>, Arc<test_utils::TestLogger>>, secp_ctx: &Secp256k1<All>, node_1_privkey: &SecretKey,
+ fn add_channel(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
test_utils::TestChainSource>, Arc<test_utils::TestLogger>>, 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(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id,
node_id_1,
node_id_2,
};
}
- fn update_channel(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
chaininterface::ChainWatchInterfaceUtil>, Arc<test_utils::TestLogger>>, secp_ctx: &Secp256k1<All>, node_privkey: &SecretKey, update: UnsignedChannelUpdate) {
+ fn update_channel(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
test_utils::TestChainSource>, Arc<test_utils::TestLogger>>, 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),
}
- fn add_or_update_node(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
chaininterface::ChainWatchInterfaceUtil>, Arc<test_utils::TestLogger>>, secp_ctx: &Secp256k1<All>, node_privkey: &SecretKey,
+ fn add_or_update_node(net_graph_msg_handler: &NetGraphMsgHandler<Arc<
test_utils::TestChainSource>, Arc<test_utils::TestLogger>>, 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 {
}
}
- fn build_graph() -> (Secp256k1<All>, NetGraphMsgHandler<std::sync::Arc<crate::chain::chaininterface::ChainWatchInterfaceUtil>, std::sync::Arc<crate::util::test_utils::TestLogger>>, std::sync::Arc<test_utils::TestLogger>) {
+ fn build_graph() -> (Secp256k1<All>, NetGraphMsgHandler<std::sync::Arc<crate::util::test_utils::TestChainSource>, std::sync::Arc<crate::util::test_utils::TestLogger>>, std::sync::Arc<test_utils::TestLogger>) {
let secp_ctx = Secp256k1::new();
let logger = Arc::new(test_utils::TestLogger::new());
- let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet));
- let net_graph_msg_handler = NetGraphMsgHandler::new(chain_monitor, Arc::clone(&logger));
+ let net_graph_msg_handler = NetGraphMsgHandler::new(genesis_block(Network::Testnet).header.block_hash(), None, Arc::clone(&logger));
// Build network from our_id to node7:
//
// -1(1)2- node0 -1(3)2-
add_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, &privkeys[0], ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 1,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, &privkeys[1], 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(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 2,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 2,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, &privkeys[7], 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(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 12,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 12,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[0], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 3);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 3,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 3,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[1], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(4)), 4);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 4,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 4,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[7], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(13)), 13);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 13,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 13,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 6,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 6,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[4], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(11)), 11);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 11,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 11,
timestamp: 1,
flags: 1,
add_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], &privkeys[5], ChannelFeatures::from_le_bytes(id_to_feature_flags(7)), 7);
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 7,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[5], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 7,
timestamp: 1,
flags: 1,
// // Disable channels 4 and 12 by flags=2
update_channel(&net_graph_msg_handler, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 4,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&net_graph_msg_handler, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
+ chain_hash: genesis_block(Network::Testnet).header.block_hash(),
short_channel_id: 12,
timestamp: 2,
flags: 2, // to disable
inbound_capacity_msat: 0,
is_live: true,
}];
- let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans.iter().collect::<Vec<_>>()), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 2);
assert_eq!(route.paths[0][0].pubkey, nodes[7]);
inbound_capacity_msat: 0,
is_live: true,
}];
- let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans.iter().collect::<Vec<_>>()), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 2);
assert_eq!(route.paths[0][0].pubkey, nodes[7]);
inbound_capacity_msat: 0,
is_live: true,
}];
- let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[2], Some(&our_chans.iter().collect::<Vec<_>>()), &Vec::new(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 2);
assert_eq!(route.paths[0][0].pubkey, nodes[7]);
let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
// Simple test across 2, 3, 5, and 4 via a last_hop channel
- let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], None, &last_hops(&nodes), 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], None, &last_hops(&nodes).iter().collect::<Vec<_>>(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 5);
assert_eq!(route.paths[0][0].pubkey, nodes[1]);
is_live: true,
}];
let mut last_hops = last_hops(&nodes);
- let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], Some(&our_chans), &last_hops, 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], Some(&our_chans.iter().collect::<Vec<_>>()), &last_hops.iter().collect::<Vec<_>>(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 2);
assert_eq!(route.paths[0][0].pubkey, nodes[3]);
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.network_graph.read().unwrap(), &nodes[6], None, &last_hops, 100, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], None, &last_hops.iter().collect::<Vec<_>>(), 100, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 4);
assert_eq!(route.paths[0][0].pubkey, nodes[1]);
assert_eq!(route.paths[0][3].channel_features.le_flags(), &Vec::<u8>::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.network_graph.read().unwrap(), &nodes[6], None, &last_hops, 2000, 42, Arc::clone(&logger)).unwrap();
+ let route = get_route(&our_id, &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[6], None, &last_hops.iter().collect::<Vec<_>>(), 2000, 42, Arc::clone(&logger)).unwrap();
assert_eq!(route.paths[0].len(), 5);
assert_eq!(route.paths[0][0].pubkey, nodes[1]);
assert_eq!(route.paths[0][4].node_features.le_flags(), &Vec::<u8>::new()); // We dont pass flags in from invoices yet
assert_eq!(route.paths[0][4].channel_features.le_flags(), &Vec::<u8>::new()); // We can't learn any flags from invoices, sadly
}
+
+ #[test]
+ fn unannounced_path_test() {
+ // We should be able to send a payment to a destination without any help of a routing graph
+ // if we have a channel with a common counterparty that appears in the first and last hop
+ // hints.
+ let source_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 41).repeat(32)).unwrap()[..]).unwrap());
+ let middle_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 42).repeat(32)).unwrap()[..]).unwrap());
+ let target_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 43).repeat(32)).unwrap()[..]).unwrap());
+
+ // If we specify a channel to a middle hop, that overrides our local channel view and that gets used
+ let last_hops = vec![RouteHint {
+ src_node_id: middle_node_id,
+ short_channel_id: 8,
+ fees: RoutingFees {
+ base_msat: 1000,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: (8 << 8) | 1,
+ htlc_minimum_msat: 0,
+ }];
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: middle_node_id,
+ counterparty_features: InitFeatures::from_le_bytes(vec![0b11]),
+ channel_value_satoshis: 100000,
+ user_id: 0,
+ outbound_capacity_msat: 100000,
+ inbound_capacity_msat: 100000,
+ is_live: true,
+ }];
+ let route = get_route(&source_node_id, &NetworkGraph::new(genesis_block(Network::Testnet).header.block_hash()), &target_node_id, Some(&our_chans.iter().collect::<Vec<_>>()), &last_hops.iter().collect::<Vec<_>>(), 100, 42, Arc::new(test_utils::TestLogger::new())).unwrap();
+
+ assert_eq!(route.paths[0].len(), 2);
+
+ assert_eq!(route.paths[0][0].pubkey, middle_node_id);
+ assert_eq!(route.paths[0][0].short_channel_id, 42);
+ assert_eq!(route.paths[0][0].fee_msat, 1000);
+ assert_eq!(route.paths[0][0].cltv_expiry_delta, (8 << 8) | 1);
+ assert_eq!(route.paths[0][0].node_features.le_flags(), &[0b11]);
+ assert_eq!(route.paths[0][0].channel_features.le_flags(), &[0; 0]); // We can't learn any flags from invoices, sadly
+
+ assert_eq!(route.paths[0][1].pubkey, target_node_id);
+ 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(), &[0; 0]); // We dont pass flags in from invoices yet
+ assert_eq!(route.paths[0][1].channel_features.le_flags(), &[0; 0]); // We can't learn any flags from invoices, sadly
+ }
}
projects / rust-lightning / blobdiff