+ 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());
+ $first_hops_vec.push(ChannelDetails {
+ channel_id: ChannelId::new_zero(),
+ counterparty: ChannelCounterparty {
+ node_id: *rnid,
+ features: channelmanager::provided_init_features(&UserConfig::default()),
+ unspendable_punishment_reserve: 0,
+ forwarding_info: None,
+ outbound_htlc_minimum_msat: None,
+ outbound_htlc_maximum_msat: None,
+ },
+ funding_txo: Some(OutPoint { txid: bitcoin::Txid::from_slice(&[0; 32]).unwrap(), index: 0 }),
+ channel_type: None,
+ short_channel_id: Some(scid),
+ inbound_scid_alias: None,
+ outbound_scid_alias: None,
+ channel_value_satoshis: capacity,
+ user_channel_id: 0, inbound_capacity_msat: 0,
+ unspendable_punishment_reserve: None,
+ confirmations_required: None,
+ confirmations: None,
+ force_close_spend_delay: None,
+ is_outbound: true, is_channel_ready: true,
+ is_usable: true, is_public: true,
+ balance_msat: 0,
+ outbound_capacity_msat: capacity.saturating_mul(1000),
+ next_outbound_htlc_limit_msat: capacity.saturating_mul(1000),
+ next_outbound_htlc_minimum_msat: 0,
+ inbound_htlc_minimum_msat: None,
+ inbound_htlc_maximum_msat: None,
+ config: None,
+ feerate_sat_per_1000_weight: None,
+ channel_shutdown_state: Some(channelmanager::ChannelShutdownState::NotShuttingDown),
+ pending_inbound_htlcs: Vec::new(),
+ pending_outbound_htlcs: Vec::new(),
+ });
+ }
+ Some(&$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);
+ }
+ }
+ }
+