Function node_id_from_pubkey

common/node_id.c:12–19

Convert from pubkey to compressed pubkey. */

/* Convert from pubkey to compressed pubkey. */
void node_id_from_pubkey(struct node_id *id, const struct pubkey *key)
{
	size_t outlen = ARRAY_SIZE(id->k);
	if (!secp256k1_ec_pubkey_serialize(secp256k1_ctx, id->k, &outlen,
					   &key->pubkey,
					   SECP256K1_EC_COMPRESSED))
		abort();
}

WARN_UNUSED_RESULT
bool pubkey_from_node_id(struct pubkey *key, const struct node_id *id)