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#ifndef LIGHTNING_GOSSIPD_QUERIES_H
#define LIGHTNING_GOSSIPD_QUERIES_H
#include "config.h"
#include <ccan/short_types/short_types.h>
struct channel_update_timestamps;
struct daemon;
struct io_conn;
struct peer;
struct short_channel_id;
/* Various handlers when peer fwds a gossip query msg: return is NULL or
* error packet. */
const u8 *handle_query_short_channel_ids(struct peer *peer, const u8 *msg);
const u8 *handle_reply_short_channel_ids_end(struct peer *peer, const u8 *msg);
const u8 *handle_query_channel_range(struct peer *peer, const u8 *msg);
const u8 *handle_reply_channel_range(struct peer *peer, const u8 *msg);
/* This called when the peer is idle. */
void maybe_send_query_responses(struct peer *peer);
/* BOLT #7:
*
* `query_option_flags` is a bitfield represented as a minimally-encoded bigsize.
* Bits have the following meaning:
*
* | Bit Position | Meaning |
* | ------------- | ----------------------- |
* | 0 | Sender wants timestamps |
* | 1 | Sender wants checksums |
*/
enum query_option_flags {
QUERY_ADD_TIMESTAMPS = 0x1,
QUERY_ADD_CHECKSUMS = 0x2,
};
/* Ask this peer for a range of scids. Must support it, and not already
* have a query pending. */
bool query_channel_range(struct daemon *daemon,
struct peer *peer,
u32 first_blocknum, u32 number_of_blocks,
enum query_option_flags qflags,
void (*cb)(struct peer *peer,
u32 first_blocknum, u32 number_of_blocks,
const struct short_channel_id *scids,
const struct channel_update_timestamps *,
bool complete));
/* Ask this peer for info about an array of scids, with optional query_flags */
bool query_short_channel_ids(struct daemon *daemon,
struct peer *peer,
const struct short_channel_id *scids,
const u8 *query_flags,
void (*cb)(struct peer *peer, bool complete));
#if DEVELOPER
struct io_plan *query_scids_req(struct io_conn *conn,
struct daemon *daemon,
const u8 *msg);
struct io_plan *dev_query_channel_range(struct io_conn *conn,
struct daemon *daemon,
const u8 *msg);
/* This is a testing hack to allow us to artificially lower the maximum bytes
* of short_channel_ids we'll encode, using dev_set_max_scids_encode_size. */
struct io_plan *dev_set_max_scids_encode_size(struct io_conn *conn,
struct daemon *daemon,
const u8 *msg);
#endif /* DEVELOPER */
#endif /* LIGHTNING_GOSSIPD_QUERIES_H */