45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* Routing helpers for use with dijkstra */
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#ifndef LIGHTNING_COMMON_ROUTE_H
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#define LIGHTNING_COMMON_ROUTE_H
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#include "config.h"
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#include <common/amount.h>
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struct dijkstra;
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struct gossmap;
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struct route {
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int dir;
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struct gossmap_chan *c;
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};
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/* Can c carry amount in dir? */
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bool route_can_carry(const struct gossmap *map,
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const struct gossmap_chan *c,
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int dir,
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struct amount_msat amount,
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void *arg);
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/* Same, but ignore disabled flags on channel */
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bool route_can_carry_even_disabled(const struct gossmap *map,
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const struct gossmap_chan *c,
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int dir,
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struct amount_msat amount,
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void *unused);
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/* Shortest path, with lower amount tiebreak */
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u64 route_score_shorter(u32 distance,
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struct amount_msat cost,
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struct amount_msat risk);
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/* Cheapest path, with shorter path tiebreak */
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u64 route_score_cheaper(u32 distance,
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struct amount_msat cost,
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struct amount_msat risk);
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/* Extract route tal_arr from completed dijkstra: NULL if none. */
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struct route **route_from_dijkstra(const tal_t *ctx,
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const struct gossmap *map,
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const struct dijkstra *dij,
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const struct gossmap_node *cur);
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#endif /* LIGHTNING_COMMON_ROUTE_H */
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