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#ifndef LIGHTNING_COMMON_WIREADDR_H
#define LIGHTNING_COMMON_WIREADDR_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <stdbool.h>
#include <stdlib.h>
/* BOLT #7:
*
* The following `address descriptor` types are defined:
*
* * `0`: padding. data = none (length 0).
* * `1`: ipv4. data = `[4:ipv4_addr][2:port]` (length 6)
* * `2`: ipv6. data = `[16:ipv6_addr][2:port]` (length 18)
* * `3`: tor v2 onion service. data = `[10:onion_addr][2:port]` (length 12)
* * Version 2 onion service addresses. Encodes an 80-bit truncated `SHA-1` hash
* of a 1024-bit `RSA` public key for the onion service.
* * `4`: tor v3 onion service. data `[35:onion_addr][2:port]` (length 37)
* * Version 3 ([prop224](https://gitweb.torproject.org/torspec.git/tree/proposals/224-rend-spec-ng.txt))
* onion service addresses. Encodes: `[32:32_byte_ed25519_pubkey] || [2:checksum] || [1:version]`.
* where `checksum = sha3(".onion checksum" | pubkey || version)[:2]`
*/
enum wire_addr_type {
ADDR_TYPE_PADDING = 0,
ADDR_TYPE_IPV4 = 1,
ADDR_TYPE_IPV6 = 2,
};
/* FIXME(cdecker) Extend this once we have defined how TOR addresses
* should look like */
struct wireaddr {
enum wire_addr_type type;
u8 addrlen;
u8 addr[16];
u16 port;
};
/* Inserts a single ADDR_TYPE_PADDING if addr is NULL */
void towire_wireaddr(u8 **pptr, const struct wireaddr *addr);
bool fromwire_wireaddr(const u8 **cursor, size_t *max, struct wireaddr *addr);
bool parse_wireaddr(const char *arg, struct wireaddr *addr, u16 port);
char *fmt_wireaddr(const tal_t *ctx, const struct wireaddr *a);
#endif /* LIGHTNING_COMMON_WIREADDR_H */