core-lightning/gossipd/gossip_store.h

#ifndef LIGHTNING_GOSSIPD_GOSSIP_STORE_H
#define LIGHTNING_GOSSIPD_GOSSIP_STORE_H

#include "config.h"

#include <bitcoin/short_channel_id.h>
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
#include <gossipd/routing.h>

/**
 * gossip_store -- On-disk storage related information
 */
#define GOSSIP_STORE_VERSION 3

struct broadcast_state;
struct gossip_store;
struct routing_state;

struct gossip_store *gossip_store_new(struct routing_state *rstate,
				      struct broadcast_state *bstate);

/**
 * Load the initial gossip store, if any.
 *
 * @param rstate The routing state to load init.
 * @param gs  The `gossip_store` to read from
 */
void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs);

/**
 * Add a gossip message to the gossip_store
 */
void gossip_store_add(struct gossip_store *gs, const u8 *gossip_msg);

/**
 * Remember that we deleted a channel as a result of its outpoint being spent
 */
void gossip_store_add_channel_delete(struct gossip_store *gs,
				     const struct short_channel_id *scid);

/* Expose for dev-compact-gossip-store */
bool gossip_store_compact(struct gossip_store *gs);
#endif /* LIGHTNING_GOSSIPD_GOSSIP_STORE_H */