core-lightning/gossipd/gossipd.h
Rusty Russell 21a6d502db gossipd: move gossip message generation into its own file.
gossipd.c is doing too many things: this is a start.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-20 06:55:00 +00:00

66 lines
1.8 KiB
C

#ifndef LIGHTNING_GOSSIPD_GOSSIPD_H
#define LIGHTNING_GOSSIPD_GOSSIPD_H
#include "config.h"
#include <ccan/list/list.h>
#include <ccan/short_types/short_types.h>
#include <common/node_id.h>
/* We talk to `hsmd` to sign our gossip messages with the node key */
#define HSM_FD 3
/* connectd asks us for help finding nodes, and gossip fds for new peers */
#define CONNECTD_FD 4
/*~ The core daemon structure: */
struct daemon {
/* Who am I? Helps us find ourself in the routing map. */
struct node_id id;
/* Peers we are gossiping to: id is unique */
struct list_head peers;
/* Connection to lightningd. */
struct daemon_conn *master;
/* Connection to connect daemon. */
struct daemon_conn *connectd;
/* Routing information */
struct routing_state *rstate;
/* chainhash for checking/making gossip msgs */
struct bitcoin_blkid chain_hash;
/* Timers: we batch gossip, and also refresh announcements */
struct timers timers;
/* Minimum interval for generating updated gossip */
u32 gossip_min_interval;
/* Global features to list in node_announcement. */
u8 *globalfeatures;
/* Alias (not NUL terminated) and favorite color for node_announcement */
u8 alias[32];
u8 rgb[3];
/* What addresses we can actually announce. */
struct wireaddr *announcable;
/* Do we think we're missing gossip? Contains timer to re-check */
struct oneshot *gossip_missing;
/* Channels we've heard about, but don't know. */
struct short_channel_id *unknown_scids;
/* Timer until we can send a new node_announcement */
struct oneshot *node_announce_timer;
};
/* Search for a peer. */
struct peer *find_peer(struct daemon *daemon, const struct node_id *id);
/* Queue a gossip message for the peer: the subdaemon on the other end simply
* forwards it to the peer. */
void queue_peer_msg(struct peer *peer, const u8 *msg TAKES);
#endif /* LIGHTNING_GOSSIPD_GOSSIPD_H */