core-lightning/bitcoin/short_channel_id.h
Christian Decker d7224e2178 gossip: Added short_channel_id_to_uint for uintmap index
Signed-off-by: Christian Decker <decker.christian@gmail.com>
2018-02-05 18:28:39 +00:00

32 lines
1.0 KiB
C

#ifndef LIGHTNING_BITCOIN_SHORT_CHANNEL_ID_H
#define LIGHTNING_BITCOIN_SHORT_CHANNEL_ID_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <stdbool.h>
#include <stddef.h>
/* Short Channel ID is composed of 3 bytes for the block height, 3
* bytes of tx index in block and 2 bytes of output index. The
* bitfield is mainly for unit tests where it is nice to be able to
* just memset them and not have to take care about the extra byte for
* u32 */
struct short_channel_id {
u32 blocknum : 24;
u32 txnum : 24;
u16 outnum;
};
bool short_channel_id_from_str(const char *str, size_t strlen,
struct short_channel_id *dst);
bool short_channel_id_eq(const struct short_channel_id *a,
const struct short_channel_id *b);
char *short_channel_id_to_str(const tal_t *ctx, const struct short_channel_id *scid);
/* Fast, platform dependent, way to convert from a short_channel_id to u64 */
u64 short_channel_id_to_uint(const struct short_channel_id *scid);
#endif /* LIGHTNING_BITCOIN_SHORT_CHANNEL_ID_H */