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#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/structeq/structeq.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. */
struct short_channel_id {
u64 u64;
};
/* Define short_channel_id_eq (no padding) */
STRUCTEQ_DEF(short_channel_id, 0, u64);
static inline u32 short_channel_id_blocknum(const struct short_channel_id *scid)
{
return scid->u64 >> 40;
}
static inline u32 short_channel_id_txnum(const struct short_channel_id *scid)
{
return (scid->u64 >> 16) & 0x00FFFFFF;
}
static inline u16 short_channel_id_outnum(const struct short_channel_id *scid)
{
return scid->u64 & 0xFFFF;
}
void mk_short_channel_id(struct short_channel_id *scid,
u32 blocknum, u32 txnum, u16 outnum);
bool short_channel_id_from_str(const char *str, size_t strlen,
struct short_channel_id *dst);
char *short_channel_id_to_str(const tal_t *ctx, const struct short_channel_id *scid);
#endif /* LIGHTNING_BITCOIN_SHORT_CHANNEL_ID_H */