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git://jb55.com/damus
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dbe1260b54
We'll need this for our lightning invoice view Signed-off-by: William Casarin <jb55@jb55.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
#include "config.h"
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#include <assert.h>
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#include "array_size.h"
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#include "mem.h"
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#include "hex.h"
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#include "talstr.h"
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#include "node_id.h"
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/* Convert from pubkey to compressed pubkey. */
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/*
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void node_id_from_pubkey(struct node_id *id, const struct pubkey *key)
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{
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size_t outlen = ARRAY_SIZE(id->k);
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if (!secp256k1_ec_pubkey_serialize(secp256k1_ctx, id->k, &outlen,
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&key->pubkey,
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SECP256K1_EC_COMPRESSED))
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abort();
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}
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WARN_UNUSED_RESULT
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bool pubkey_from_node_id(struct pubkey *key, const struct node_id *id)
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{
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return secp256k1_ec_pubkey_parse(secp256k1_ctx, &key->pubkey,
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memcheck(id->k, sizeof(id->k)),
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sizeof(id->k));
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}
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WARN_UNUSED_RESULT
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bool point32_from_node_id(struct point32 *key, const struct node_id *id)
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{
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struct pubkey k;
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if (!pubkey_from_node_id(&k, id))
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return false;
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return secp256k1_xonly_pubkey_from_pubkey(secp256k1_ctx, &key->pubkey,
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NULL, &k.pubkey) == 1;
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}
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*/
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char *tal_hexstr(const tal_t *ctx, const void *data, size_t len)
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{
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char *str = tal_arr(ctx, char, hex_str_size(len));
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hex_encode(data, len, str, hex_str_size(len));
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return str;
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}
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/* Convert to hex string of SEC1 encoding */
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char *node_id_to_hexstr(const tal_t *ctx, const struct node_id *id)
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{
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return tal_hexstr(ctx, id->k, sizeof(id->k));
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}
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/* Convert from hex string of SEC1 encoding */
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bool node_id_from_hexstr(const char *str, size_t slen, struct node_id *id)
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{
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return hex_decode(str, slen, id->k, sizeof(id->k));
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/* && node_id_valid(id);*/
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}
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int node_id_cmp(const struct node_id *a, const struct node_id *b)
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{
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return memcmp(a->k, b->k, sizeof(a->k));
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}
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