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