use bitcoin::blockdata::transaction::TxOut;
use bitcoin::hash_types::BlockHash;
+use lightning::blinded_path::{BlindedHop, BlindedPath};
use lightning::chain::transaction::OutPoint;
use lightning::ln::channelmanager::{self, ChannelDetails, ChannelCounterparty};
+use lightning::ln::features::{BlindedHopFeatures, Bolt12InvoiceFeatures};
use lightning::ln::msgs;
+use lightning::offers::invoice::BlindedPayInfo;
use lightning::routing::gossip::{NetworkGraph, RoutingFees};
use lightning::routing::utxo::{UtxoFuture, UtxoLookup, UtxoLookupError, UtxoResult};
use lightning::routing::router::{find_route, PaymentParameters, RouteHint, RouteHintHop, RouteParameters};
-use lightning::routing::scoring::FixedPenaltyScorer;
+use lightning::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringFeeParameters, ProbabilisticScoringDecayParameters};
use lightning::util::config::UserConfig;
use lightning::util::ser::Readable;
let mut node_pks = HashSet::new();
let mut scid = 42;
+ macro_rules! first_hops {
+ ($first_hops_vec: expr) => {
+ match get_slice!(1)[0] {
+ 0 => None,
+ count => {
+ for _ in 0..count {
+ scid += 1;
+ let rnid = node_pks.iter().skip(u16::from_be_bytes(get_slice!(2).try_into().unwrap()) as usize % node_pks.len()).next().unwrap();
+ let capacity = u64::from_be_bytes(get_slice!(8).try_into().unwrap());
+ $first_hops_vec.push(ChannelDetails {
+ channel_id: [0; 32],
+ counterparty: ChannelCounterparty {
+ node_id: *rnid,
+ features: channelmanager::provided_init_features(&UserConfig::default()),
+ unspendable_punishment_reserve: 0,
+ forwarding_info: None,
+ outbound_htlc_minimum_msat: None,
+ outbound_htlc_maximum_msat: None,
+ },
+ funding_txo: Some(OutPoint { txid: bitcoin::Txid::from_slice(&[0; 32]).unwrap(), index: 0 }),
+ channel_type: None,
+ short_channel_id: Some(scid),
+ inbound_scid_alias: None,
+ outbound_scid_alias: None,
+ channel_value_satoshis: capacity,
+ user_channel_id: 0, inbound_capacity_msat: 0,
+ unspendable_punishment_reserve: None,
+ confirmations_required: None,
+ confirmations: None,
+ force_close_spend_delay: None,
+ is_outbound: true, is_channel_ready: true,
+ is_usable: true, is_public: true,
+ balance_msat: 0,
+ outbound_capacity_msat: capacity.saturating_mul(1000),
+ next_outbound_htlc_limit_msat: capacity.saturating_mul(1000),
+ next_outbound_htlc_minimum_msat: 0,
+ inbound_htlc_minimum_msat: None,
+ inbound_htlc_maximum_msat: None,
+ config: None,
+ feerate_sat_per_1000_weight: None,
+ channel_shutdown_state: Some(channelmanager::ChannelShutdownState::NotShuttingDown),
+ });
+ }
+ Some(&$first_hops_vec[..])
+ },
+ }
+ }
+ }
+
+ macro_rules! last_hops {
+ ($last_hops: expr) => {
+ let count = get_slice!(1)[0];
+ for _ in 0..count {
+ scid += 1;
+ let rnid = node_pks.iter().skip(slice_to_be16(get_slice!(2))as usize % node_pks.len()).next().unwrap();
+ $last_hops.push(RouteHint(vec![RouteHintHop {
+ src_node_id: *rnid,
+ short_channel_id: scid,
+ fees: RoutingFees {
+ base_msat: slice_to_be32(get_slice!(4)),
+ proportional_millionths: slice_to_be32(get_slice!(4)),
+ },
+ cltv_expiry_delta: slice_to_be16(get_slice!(2)),
+ htlc_minimum_msat: Some(slice_to_be64(get_slice!(8))),
+ htlc_maximum_msat: None,
+ }]));
+ }
+ }
+ }
+
+ macro_rules! find_routes {
+ ($first_hops: expr, $node_pks: expr, $route_params: expr) => {
+ let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &net_graph, &logger);
+ let random_seed_bytes: [u8; 32] = [get_slice!(1)[0]; 32];
+ for target in $node_pks {
+ let final_value_msat = slice_to_be64(get_slice!(8));
+ let final_cltv_expiry_delta = slice_to_be32(get_slice!(4));
+ let route_params = $route_params(final_value_msat, final_cltv_expiry_delta, target);
+ let _ = find_route(&our_pubkey, &route_params, &net_graph,
+ $first_hops.map(|c| c.iter().collect::<Vec<_>>()).as_ref().map(|a| a.as_slice()),
+ &logger, &scorer, &ProbabilisticScoringFeeParameters::default(), &random_seed_bytes);
+ }
+ }
+ }
+
loop {
match get_slice!(1)[0] {
0 => {
},
4 => {
let short_channel_id = slice_to_be64(get_slice!(8));
- net_graph.channel_failed(short_channel_id, false);
+ net_graph.channel_failed_permanent(short_channel_id);
},
_ if node_pks.is_empty() => {},
- _ => {
+ x if x < 250 => {
let mut first_hops_vec = Vec::new();
- let first_hops = match get_slice!(1)[0] {
- 0 => None,
- count => {
- for _ in 0..count {
- scid += 1;
- let rnid = node_pks.iter().skip(u16::from_be_bytes(get_slice!(2).try_into().unwrap()) as usize % node_pks.len()).next().unwrap();
- let capacity = u64::from_be_bytes(get_slice!(8).try_into().unwrap());
- first_hops_vec.push(ChannelDetails {
- channel_id: [0; 32],
- counterparty: ChannelCounterparty {
- node_id: *rnid,
- features: channelmanager::provided_init_features(&UserConfig::default()),
- unspendable_punishment_reserve: 0,
- forwarding_info: None,
- outbound_htlc_minimum_msat: None,
- outbound_htlc_maximum_msat: None,
- },
- funding_txo: Some(OutPoint { txid: bitcoin::Txid::from_slice(&[0; 32]).unwrap(), index: 0 }),
- channel_type: None,
- short_channel_id: Some(scid),
- inbound_scid_alias: None,
- outbound_scid_alias: None,
- channel_value_satoshis: capacity,
- user_channel_id: 0, inbound_capacity_msat: 0,
- unspendable_punishment_reserve: None,
- confirmations_required: None,
- confirmations: None,
- force_close_spend_delay: None,
- is_outbound: true, is_channel_ready: true,
- is_usable: true, is_public: true,
- balance_msat: 0,
- outbound_capacity_msat: capacity.saturating_mul(1000),
- next_outbound_htlc_limit_msat: capacity.saturating_mul(1000),
- inbound_htlc_minimum_msat: None,
- inbound_htlc_maximum_msat: None,
- config: None,
- });
- }
- Some(&first_hops_vec[..])
- },
- };
+ // Use macros here and in the blinded match arm to ensure values are fetched from the fuzz
+ // input in the same order, for better coverage.
+ let first_hops = first_hops!(first_hops_vec);
let mut last_hops = Vec::new();
- {
- let count = get_slice!(1)[0];
- for _ in 0..count {
- scid += 1;
- let rnid = node_pks.iter().skip(slice_to_be16(get_slice!(2))as usize % node_pks.len()).next().unwrap();
- last_hops.push(RouteHint(vec![RouteHintHop {
- src_node_id: *rnid,
- short_channel_id: scid,
- fees: RoutingFees {
- base_msat: slice_to_be32(get_slice!(4)),
- proportional_millionths: slice_to_be32(get_slice!(4)),
- },
- cltv_expiry_delta: slice_to_be16(get_slice!(2)),
- htlc_minimum_msat: Some(slice_to_be64(get_slice!(8))),
- htlc_maximum_msat: None,
- }]));
+ last_hops!(last_hops);
+ find_routes!(first_hops, node_pks.iter(), |final_amt, final_delta, target: &PublicKey| {
+ RouteParameters {
+ payment_params: PaymentParameters::from_node_id(*target, final_delta)
+ .with_route_hints(last_hops.clone()).unwrap(),
+ final_value_msat: final_amt,
}
- }
- let scorer = FixedPenaltyScorer::with_penalty(0);
- let random_seed_bytes: [u8; 32] = [get_slice!(1)[0]; 32];
- for target in node_pks.iter() {
- let final_value_msat = slice_to_be64(get_slice!(8));
- let final_cltv_expiry_delta = slice_to_be32(get_slice!(4));
- let route_params = RouteParameters {
- payment_params: PaymentParameters::from_node_id(*target, final_cltv_expiry_delta)
- .with_route_hints(last_hops.clone()),
- final_value_msat,
- final_cltv_expiry_delta,
- };
- let _ = find_route(&our_pubkey, &route_params, &net_graph,
- first_hops.map(|c| c.iter().collect::<Vec<_>>()).as_ref().map(|a| a.as_slice()),
- &logger, &scorer, &random_seed_bytes);
- }
+ });
},
+ x => {
+ let mut first_hops_vec = Vec::new();
+ let first_hops = first_hops!(first_hops_vec);
+ let mut last_hops_unblinded = Vec::new();
+ last_hops!(last_hops_unblinded);
+ let dummy_pk = PublicKey::from_slice(&[2; 33]).unwrap();
+ let last_hops: Vec<(BlindedPayInfo, BlindedPath)> = last_hops_unblinded.into_iter().map(|hint| {
+ let hop = &hint.0[0];
+ let payinfo = BlindedPayInfo {
+ fee_base_msat: hop.fees.base_msat,
+ fee_proportional_millionths: hop.fees.proportional_millionths,
+ htlc_minimum_msat: hop.htlc_minimum_msat.unwrap(),
+ htlc_maximum_msat: hop.htlc_minimum_msat.unwrap().saturating_mul(100),
+ cltv_expiry_delta: hop.cltv_expiry_delta,
+ features: BlindedHopFeatures::empty(),
+ };
+ let num_blinded_hops = x % 250;
+ let mut blinded_hops = Vec::new();
+ for _ in 0..num_blinded_hops {
+ blinded_hops.push(BlindedHop {
+ blinded_node_id: dummy_pk,
+ encrypted_payload: Vec::new()
+ });
+ }
+ (payinfo, BlindedPath {
+ introduction_node_id: hop.src_node_id,
+ blinding_point: dummy_pk,
+ blinded_hops,
+ })
+ }).collect();
+ let mut features = Bolt12InvoiceFeatures::empty();
+ features.set_basic_mpp_optional();
+ find_routes!(first_hops, vec![dummy_pk].iter(), |final_amt, _, _| {
+ RouteParameters {
+ payment_params: PaymentParameters::blinded(last_hops.clone())
+ .with_bolt12_features(features.clone()).unwrap(),
+ final_value_msat: final_amt,
+ }
+ });
+ }
}
}
}