&self, payer: &PublicKey, route_params: &RouteParameters,
first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs
) -> Result<Route, LightningError>;
+
/// Finds a [`Route`] for a payment between the given `payer` and a payee.
///
/// The `payee` and the payment's value are given in [`RouteParameters::payment_params`]
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
- use bitcoin::blockdata::constants::genesis_block;
+ use bitcoin::blockdata::constants::ChainHash;
use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::transaction::TxOut;
// Disable other paths
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
// Check against amount_to_transfer_over_msat.
// Set minimal HTLC of 200_000_000 msat.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 3,
flags: 0,
// Second hop only allows to forward 199_999_999 at most, thus not allowing the first hop to
// be used.
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 3,
flags: 0,
// Lift the restriction on the first hop.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 4,
flags: 0,
// One path allows transferring 35-40 sats, another one also allows 35-40 sats.
// Thus, they can't send 60 without overpaying.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 3,
flags: 0,
// Make 0 fee.
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// Disable other paths
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 3,
flags: 2, // to disable
// Now, test that if there are 2 paths, a "cheaper" by fee path wouldn't be prioritized
// while taking even more fee to match htlc_minimum_msat.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 4,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 3,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 4,
flags: 0,
// First disable all paths except the us -> node1 -> node2 path
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 3,
// Set channel 4 to free but with a high htlc_minimum_msat
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// // Disable channels 4 and 12 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2, // to disable
// Disabling channels 6 & 7 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
// Disabling channels 6 & 7 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
// First disable all other paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2,
// Make the first channel (#1) very permissive,
// and we will be testing all limits on the second channel.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
// First, let's see if routing works if we have absolutely no idea about the available amount.
// In this case, it should be set to 250_000 sats.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Check that setting next_outbound_htlc_limit_msat in first_hops limits the channels.
// Disable channel #1 and use another first hop.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 3,
flags: 2,
// Enable channel #1 back.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 4,
flags: 0,
// Now let's see if routing works if we know only htlc_maximum_msat.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 3,
flags: 0,
// We can't change UTXO capacity on the fly, so we'll disable
// the existing channel and add another one with the capacity we need.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 4,
flags: 2,
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 333);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 1,
flags: 1,
// Now let's see if routing chooses htlc_maximum_msat over UTXO capacity.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 6,
flags: 0,
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Limit capacities
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats
// (total limit 60).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
// Path via node1 is channels {2, 4}. Limit them to 200 and 180 sats
// (total capacity 180 sats).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Capacity of 200 sats because this channel will be used by 3rd path as well.
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// Add 100 sats to the capacities of {12, 13}, because these channels
// are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Capacity of 200 sats because this channel will be used by 3rd path as well.
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// Add 100 sats to the capacities of {12, 13}, because these channels
// are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// - fee for channel 6 is 150 sats
// Let's test this by enforcing these 2 conditions and removing other limits.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
// we think we can only send up to 1 additional sat over the last-hop but refuse to as its
// under 5% of our payment amount.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0|2, // Channel disabled
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats (total limit 60);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
// Path via node1 is channels {2, 4}. Limit them to 20 and 20 sats (total capacity 20 sats).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[1], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[1], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(4)), 4);
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[3], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 3);
update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(2)), 2);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 0,
// We modify the graph to set the htlc_maximum of channel 2 to below the value we wish to
// send.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
// gets an htlc_maximum_msat of 80_000 and channel 4 an htlc_minimum_msat of 90_000. We
// then try to send 90_000.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// Set the fee on channel 13 to 100% to match channel 4 giving us two equivalent paths (us
// -> node 7 -> node2 and us -> node 1 -> node 2) which we should balance over.
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 1,
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 1,
flags: 0,
assert_eq!(route.paths.len(), 1);
assert_eq!(route.get_total_amount(), amt_msat);
}
+
+ #[test]
+ fn first_hop_preferred_over_hint() {
+ // Check that if we have a first hop to a peer we'd always prefer that over a route hint
+ // they gave us, but we'd still consider all subsequent hints if they are more attractive.
+ let secp_ctx = Secp256k1::new();
+ let logger = Arc::new(ln_test_utils::TestLogger::new());
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, Arc::clone(&logger)));
+ let gossip_sync = P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger));
+ let scorer = ln_test_utils::TestScorer::new();
+ let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+ let config = UserConfig::default();
+
+ let amt_msat = 1_000_000;
+ let (our_privkey, our_node_id, privkeys, nodes) = get_nodes(&secp_ctx);
+
+ add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[0],
+ ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
+ update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
+ ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 2);
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 2,
+ timestamp: 2,
+ flags: 0,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 2,
+ timestamp: 2,
+ flags: 1,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ let dest_node_id = nodes[2];
+
+ let route_hint = RouteHint(vec![RouteHintHop {
+ src_node_id: our_node_id,
+ short_channel_id: 44,
+ fees: RoutingFees {
+ base_msat: 234,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: Some(5_000_000),
+ },
+ RouteHintHop {
+ src_node_id: nodes[0],
+ short_channel_id: 45,
+ fees: RoutingFees {
+ base_msat: 123,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: None,
+ }]);
+
+ let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
+ .with_route_hints(vec![route_hint]).unwrap()
+ .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let route_params = RouteParameters::from_payment_params_and_value(
+ payment_params, amt_msat);
+
+ // First create an insufficient first hop for channel with SCID 1 and check we'd use the
+ // route hint.
+ let first_hop = get_channel_details(Some(1), nodes[0],
+ channelmanager::provided_init_features(&config), 999_999);
+ let first_hops = vec![first_hop];
+
+ let route = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.paths[0].hops.len(), 2);
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 44);
+ assert_eq!(route.paths[0].hops[1].short_channel_id, 45);
+ assert_eq!(route.get_total_fees(), 123);
+
+ // Now check we would trust our first hop info, i.e., fail if we detect the route hint is
+ // for a first hop channel.
+ let mut first_hop = get_channel_details(Some(1), nodes[0], channelmanager::provided_init_features(&config), 999_999);
+ first_hop.outbound_scid_alias = Some(44);
+ let first_hops = vec![first_hop];
+
+ let route_res = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes);
+ assert!(route_res.is_err());
+
+ // Finally check we'd use the first hop if has sufficient outbound capacity. But we'd stil
+ // use the cheaper second hop of the route hint.
+ let mut first_hop = get_channel_details(Some(1), nodes[0],
+ channelmanager::provided_init_features(&config), 10_000_000);
+ first_hop.outbound_scid_alias = Some(44);
+ let first_hops = vec![first_hop];
+
+ let route = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.paths[0].hops.len(), 2);
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 1);
+ assert_eq!(route.paths[0].hops[1].short_channel_id, 45);
+ assert_eq!(route.get_total_fees(), 123);
+ }
+
+ #[test]
+ fn allow_us_being_first_hint() {
+ // Check that we consider a route hint even if we are the src of the first hop.
+ let secp_ctx = Secp256k1::new();
+ let logger = Arc::new(ln_test_utils::TestLogger::new());
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, Arc::clone(&logger)));
+ let scorer = ln_test_utils::TestScorer::new();
+ let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+ let config = UserConfig::default();
+
+ let (_, our_node_id, _, nodes) = get_nodes(&secp_ctx);
+
+ let amt_msat = 1_000_000;
+ let dest_node_id = nodes[1];
+
+ let first_hop = get_channel_details(Some(1), nodes[0], channelmanager::provided_init_features(&config), 10_000_000);
+ let first_hops = vec![first_hop];
+
+ let route_hint = RouteHint(vec![RouteHintHop {
+ src_node_id: our_node_id,
+ short_channel_id: 44,
+ fees: RoutingFees {
+ base_msat: 123,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: None,
+ }]);
+
+ let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
+ .with_route_hints(vec![route_hint]).unwrap()
+ .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+
+ let route_params = RouteParameters::from_payment_params_and_value(
+ payment_params, amt_msat);
+
+
+ let route = get_route(&our_node_id, &route_params, &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.get_total_fees(), 0);
+ assert_eq!(route.paths[0].hops.len(), 1);
+
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 44);
+ }
}
#[cfg(all(any(test, ldk_bench), not(feature = "no-std")))]
projects / rust-lightning / blobdiff