You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

112 lines
3.1 KiB

#ifndef LIGHTNING_LIGHTNINGD_PEER_CONTROL_H
#define LIGHTNING_LIGHTNINGD_PEER_CONTROL_H
#include "config.h"
#include <ccan/compiler/compiler.h>
#include <ccan/crypto/shachain/shachain.h>
#include <ccan/list/list.h>
#include <common/channel_config.h>
#include <common/htlc.h>
#include <common/json.h>
#include <common/wireaddr.h>
#include <lightningd/channel.h>
#include <lightningd/channel_state.h>
#include <stdbool.h>
#include <wallet/wallet.h>
#include <wire/peer_wire.h>
#define ANNOUNCE_MIN_DEPTH 6
struct crypto_state;
struct peer {
/* Inside ld->peers. */
struct list_node list;
/* Master context */
struct lightningd *ld;
/* Database ID of the peer */
u64 dbid;
/* ID of peer */
struct pubkey id;
/* Our channels */
struct list_head channels;
/* Our (only) uncommitted channel, still opening. */
struct uncommitted_channel *uncommitted_channel;
/* History */
struct log_book *log_book;
/* Where we connected to, or it connected from. */
struct wireaddr addr;
/* If we open a channel our direction will be this */
u8 direction;
};
struct peer *find_peer_by_dbid(struct lightningd *ld, u64 dbid);
struct peer *new_peer(struct lightningd *ld, u64 dbid,
const struct pubkey *id,
const struct wireaddr *addr);
/* Also removes from db. */
void delete_peer(struct peer *peer);
struct peer *peer_by_id(struct lightningd *ld, const struct pubkey *id);
struct peer *peer_from_json(struct lightningd *ld,
const char *buffer,
jsmntok_t *peeridtok);
/* The three ways peers enter from the network:
*
* peer_connected - when it first connects to gossipd (after init exchange).
* peer_sent_nongossip - when it tries to fund a channel.
* gossip_peer_released - when we tell gossipd to release it so we can fund
* a channel.
*/
void peer_connected(struct lightningd *ld, const u8 *msg,
int peer_fd, int gossip_fd);
void peer_sent_nongossip(struct lightningd *ld,
const struct pubkey *id,
const struct wireaddr *addr,
const struct crypto_state *cs,
u64 gossip_index,
const u8 *gfeatures,
const u8 *lfeatures,
int peer_fd, int gossip_fd,
const u8 *in_msg);
/* Could be configurable. */
#define OUR_CHANNEL_FLAGS CHANNEL_FLAGS_ANNOUNCE_CHANNEL
/* Peer has failed to open; return to gossipd. */
void opening_failed(struct peer *peer, const u8 *msg TAKES);
void channel_errmsg(struct channel *channel,
int peer_fd, int gossip_fd,
const struct crypto_state *cs,
u64 gossip_index,
const struct channel_id *channel_id,
const char *desc,
const u8 *err_for_them);
u8 *p2wpkh_for_keyidx(const tal_t *ctx, struct lightningd *ld, u64 keyidx);
void setup_listeners(struct lightningd *ld);
/* We've loaded peers from database, set them going. */
void activate_peers(struct lightningd *ld);
void drop_to_chain(struct lightningd *ld, struct channel *channel);
/* Get range of feerates to insist other side abide by for normal channels. */
u32 feerate_min(struct lightningd *ld);
u32 feerate_max(struct lightningd *ld);
void channel_watch_funding(struct lightningd *ld, struct channel *channel);
#endif /* LIGHTNING_LIGHTNINGD_PEER_CONTROL_H */