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#ifndef LIGHTNING_GOSSIPD_BROADCAST_H
#define LIGHTNING_GOSSIPD_BROADCAST_H
#include "config.h"
#include <ccan/intmap/intmap.h>
#include <ccan/list/list.h>
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
/* Common functionality to implement staggered broadcasts with replacement. */
struct broadcast_state {
u64 next_index;
UINTMAP(struct queued_message *) broadcasts;
};
struct broadcast_state *new_broadcast_state(tal_t *ctx);
/* Replace a queued message with @index, if it matches the type and
* tag for the new message. The new message will be queued with the
* next highest index. @index is updated to hold the index of the
* newly queued message*/
bool replace_broadcast(const tal_t *ctx,
struct broadcast_state *bstate,
u64 *index,
const u8 *payload TAKES);
const u8 *next_broadcast(struct broadcast_state *bstate, u64 *last_index);
const u8 *get_broadcast(struct broadcast_state *bstate, u64 msgidx);
#endif /* LIGHTNING_GOSSIPD_BROADCAST_H */