40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#include <ccan/cast/cast.h>
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#include <ccan/crypto/siphash24/siphash24.h>
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#include <ccan/tal/tal.h>
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#include <daemon/pseudorand.h>
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#include <lightningd/htlc_end.h>
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size_t hash_htlc_end(const struct htlc_end *e)
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{
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struct siphash24_ctx ctx;
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siphash24_init(&ctx, siphash_seed());
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/* peer doesn't move while in this hash, so we just hash pointer. */
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siphash24_update(&ctx, &e->peer, sizeof(e->peer));
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siphash24_u64(&ctx, e->htlc_id);
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siphash24_u8(&ctx, e->which_end);
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return siphash24_done(&ctx);
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}
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struct htlc_end *find_htlc_end(const struct htlc_end_map *map,
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const struct peer *peer,
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u64 htlc_id,
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enum htlc_end_type which_end)
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{
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const struct htlc_end key = { which_end, (struct peer *)peer, htlc_id,
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0, NULL, NULL };
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return htlc_end_map_get(map, &key);
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}
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static void remove_htlc_end(struct htlc_end *hend, struct htlc_end_map *map)
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{
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htlc_end_map_del(map, hend);
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}
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void connect_htlc_end(struct htlc_end_map *map, struct htlc_end *hend)
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{
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tal_add_destructor2(hend, remove_htlc_end, map);
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htlc_end_map_add(map, hend);
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}
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