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#include <bitcoin/short_channel_id.h>
#include <ccan/tal/str/str.h>
#include <stdio.h>
#include <string.h>
void mk_short_channel_id(struct short_channel_id *scid,
u32 blocknum, u32 txnum, u16 outnum)
{
scid->u64 = (((u64)blocknum & 0xFFFFFF) << 40 |
((u64)txnum & 0xFFFFFF) << 16 |
(outnum & 0xFFFF));
}
bool short_channel_id_from_str(const char *str, size_t strlen,
struct short_channel_id *dst)
{
u32 blocknum, txnum;
u16 outnum;
int matches;
char buf[strlen + 1];
memcpy(buf, str, strlen);
buf[strlen] = 0;
matches = sscanf(buf, "%u:%u:%hu", &blocknum, &txnum, &outnum);
mk_short_channel_id(dst, blocknum, txnum, outnum);
return matches == 3;
}
char *short_channel_id_to_str(const tal_t *ctx, const struct short_channel_id *scid)
{
return tal_fmt(ctx, "%d:%d:%d",
short_channel_id_blocknum(scid),
short_channel_id_txnum(scid),
short_channel_id_outnum(scid));
}