use bitcoin::secp256k1::{PublicKey, Secp256k1, self};
use crate::blinded_path::{BlindedHop, BlindedPath, Direction, IntroductionNode};
-use crate::blinded_path::payment::{ForwardNode, ForwardTlvs, PaymentConstraints, PaymentRelay, ReceiveTlvs};
-use crate::ln::types::PaymentHash;
-use crate::ln::channelmanager::{ChannelDetails, PaymentId, MIN_FINAL_CLTV_EXPIRY_DELTA};
+use crate::blinded_path::message;
+use crate::blinded_path::payment::{ForwardTlvs, PaymentConstraints, PaymentRelay, ReceiveTlvs, self};
+use crate::ln::{PaymentHash, PaymentPreimage};
+use crate::ln::channelmanager::{ChannelDetails, PaymentId, MIN_FINAL_CLTV_EXPIRY_DELTA, RecipientOnionFields};
use crate::ln::features::{BlindedHopFeatures, Bolt11InvoiceFeatures, Bolt12InvoiceFeatures, ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{DecodeError, ErrorAction, LightningError, MAX_VALUE_MSAT};
+use crate::ln::onion_utils;
use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice};
use crate::onion_message::messenger::{DefaultMessageRouter, Destination, MessageRouter, OnionMessagePath};
use crate::routing::gossip::{DirectedChannelInfo, EffectiveCapacity, ReadOnlyNetworkGraph, NetworkGraph, NodeId, RoutingFees};
max_cltv_expiry: tlvs.payment_constraints.max_cltv_expiry + cltv_expiry_delta,
htlc_minimum_msat: details.inbound_htlc_minimum_msat.unwrap_or(0),
};
- Some(ForwardNode {
+ Some(payment::ForwardNode {
tlvs: ForwardTlvs {
short_channel_id,
payment_relay,
fn create_blinded_paths<
T: secp256k1::Signing + secp256k1::Verification
> (
- &self, recipient: PublicKey, peers: Vec<PublicKey>, secp_ctx: &Secp256k1<T>,
+ &self, recipient: PublicKey, peers: Vec<message::ForwardNode>, secp_ctx: &Secp256k1<T>,
) -> Result<Vec<BlindedPath>, ()> {
self.message_router.create_blinded_paths(recipient, peers, secp_ctx)
}
pub fn from_payment_params_and_value(payment_params: PaymentParameters, final_value_msat: u64) -> Self {
Self { payment_params, final_value_msat, max_total_routing_fee_msat: Some(final_value_msat / 100 + 50_000) }
}
+
+ /// Sets the maximum number of hops that can be included in a payment path, based on the provided
+ /// [`RecipientOnionFields`] and blinded paths.
+ pub fn set_max_path_length(
+ &mut self, recipient_onion: &RecipientOnionFields, is_keysend: bool, best_block_height: u32
+ ) -> Result<(), ()> {
+ let keysend_preimage_opt = is_keysend.then(|| PaymentPreimage([42; 32]));
+ onion_utils::set_max_path_length(
+ self, recipient_onion, keysend_preimage_opt, best_block_height
+ )
+ }
}
impl Writeable for RouteParameters {
let max_total_routing_fee_msat = route_params.max_total_routing_fee_msat.unwrap_or(u64::max_value());
- log_trace!(logger, "Searching for a route from payer {} to {} {} MPP and {} first hops {}overriding the network graph with a fee limit of {} msat",
+ log_trace!(logger, "Searching for a route from payer {} to {} {} MPP and {} first hops {}overriding the network graph of {} nodes and {} channels with a fee limit of {} msat",
our_node_pubkey, LoggedPayeePubkey(payment_params.payee.node_id()),
if allow_mpp { "with" } else { "without" },
first_hops.map(|hops| hops.len()).unwrap_or(0), if first_hops.is_some() { "" } else { "not " },
+ network_graph.nodes().len(), network_graph.channels().len(),
max_total_routing_fee_msat);
// Step (1).
fee_proportional_millionths: 0,
excess_data: Vec::new()
});
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 5,
+ timestamp: 2,
+ flags: 3, // disable direction 1
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: 200_000,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
// Path via {node7, node2, node4} is channels {12, 13, 6, 11}.
// Add 100 sats to the capacities of {12, 13}, because these channels
fee_proportional_millionths: 0,
excess_data: Vec::new()
});
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 5,
+ timestamp: 2,
+ flags: 3, // disable direction 1
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: 200_000,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
// Path via {node7, node2, node4} is channels {12, 13, 6, 11}.
// Add 100 sats to the capacities of {12, 13}, because these channels
fee_proportional_millionths: 0,
excess_data: Vec::new()
});
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 5,
+ timestamp: 2,
+ flags: 3, // Disable direction 1
+ cltv_expiry_delta: 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: 100_000,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
// Path via {node7, node2, node4} is channels {12, 13, 6, 11}.
// All channels should be 100 sats capacity. But for the fee experiment,
let payment_params = PaymentParameters::from_node_id(nodes[6], 42);
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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 6,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (6 << 4) | 0,
- htlc_minimum_msat: 0,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&our_privkey, 0), (&privkeys[1], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 6,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (6 << 4) | 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
add_or_update_node(&gossip_sync, &secp_ctx, &privkeys[1], NodeFeatures::from_le_bytes(id_to_feature_flags(1)), 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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 5,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (5 << 4) | 0,
- htlc_minimum_msat: 0,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 100,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&privkeys[1], 0), (&privkeys[4], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 5,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (5 << 4) | 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 100,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
add_or_update_node(&gossip_sync, &secp_ctx, &privkeys[4], NodeFeatures::from_le_bytes(id_to_feature_flags(4)), 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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 4,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (4 << 4) | 0,
- htlc_minimum_msat: 0,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&privkeys[4], 0), (&privkeys[3], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 4,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (4 << 4) | 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
add_or_update_node(&gossip_sync, &secp_ctx, &privkeys[3], NodeFeatures::from_le_bytes(id_to_feature_flags(3)), 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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 3,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (3 << 4) | 0,
- htlc_minimum_msat: 0,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&privkeys[3], 0), (&privkeys[2], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 3,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (3 << 4) | 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
add_or_update_node(&gossip_sync, &secp_ctx, &privkeys[2], NodeFeatures::from_le_bytes(id_to_feature_flags(2)), 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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 2,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (2 << 4) | 0,
- htlc_minimum_msat: 0,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&privkeys[2], 0), (&privkeys[4], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 2,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (2 << 4) | 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
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: ChainHash::using_genesis_block(Network::Testnet),
- short_channel_id: 1,
- timestamp: 1,
- flags: 0,
- cltv_expiry_delta: (1 << 4) | 0,
- htlc_minimum_msat: 100,
- htlc_maximum_msat: MAX_VALUE_MSAT,
- fee_base_msat: 0,
- fee_proportional_millionths: 0,
- excess_data: Vec::new()
- });
+ for (key, flags) in [(&privkeys[4], 0), (&privkeys[6], 3)] {
+ update_channel(&gossip_sync, &secp_ctx, key, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags,
+ cltv_expiry_delta: (1 << 4) | 0,
+ htlc_minimum_msat: 100,
+ htlc_maximum_msat: MAX_VALUE_MSAT,
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ }
add_or_update_node(&gossip_sync, &secp_ctx, &privkeys[6], NodeFeatures::from_le_bytes(id_to_feature_flags(6)), 0);
{
projects / rust-lightning / blobdiff