/* Is a < b? (If equal we don't care) */
static bool key_less(const struct pubkey *a, const struct pubkey *b)
{
/* Shorter one wins. */
if (pubkey_derlen(a) != pubkey_derlen(b))
return pubkey_derlen(a) < pubkey_derlen(b);
return memcmp(a->der, b->der, pubkey_derlen(a)) < 0;
}
BitcoinPubkey *pubkey_to_proto(const tal_t *ctx, const struct pubkey *key)
{
BitcoinPubkey *p = tal(ctx, BitcoinPubkey);
struct pubkey check;
bitcoin_pubkey__init(p);
p->key.len = pubkey_derlen(key);
p->key.data = tal_dup_arr(p, u8, key->der, p->key.len, 0);
{
secp256k1_context *secpctx = secp256k1_context_create(0);
assert(pubkey_from_der(secpctx, p->key.data, p->key.len, &check));
assert(pubkey_eq(&check, key));
secp256k1_context_destroy(secpctx);
}
return p;
}
static void add_push_key(u8 **scriptp, const struct pubkey *key)
{
add_push_bytes(scriptp, key->der, pubkey_derlen(key));
}
