core-lightning/lightningd/peer_control.h
Rusty Russell a08728497b lightningd: reintroduce "slow connect" logic.
Just keep a flag on the peer, and delay connection longer if that is set.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2022-07-18 20:50:04 -05:00

145 lines
4.3 KiB
C

#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_parse.h>
#include <common/node_id.h>
#include <common/wireaddr.h>
#include <wallet/wallet.h>
struct peer_fd;
struct wally_psbt;
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 node_id id;
/* Connection counter from connectd. */
u64 connectd_counter;
/* Did we fail badly last time? Don't reconnect too fast. */
bool delay_reconnect;
/* Our channels */
struct list_head channels;
/* Are we connected? */
enum {
/* Connectd said we're connecting, we called hooks... */
PEER_CONNECTING,
/* Hooks succeeded, we're connected. */
PEER_CONNECTED,
/* Start state, also connectd told us we're disconnected */
PEER_DISCONNECTED,
} connected;
/* Our (only) uncommitted channel, still opening. */
struct uncommitted_channel *uncommitted_channel;
/* Where we connected to, or it connected from. */
struct wireaddr_internal addr;
bool connected_incoming;
/* They send what they see as our address as remote_addr */
struct wireaddr *remote_addr;
/* We keep a copy of their feature bits */
const u8 *their_features;
/* If we open a channel our direction will be this */
u8 direction;
#if DEVELOPER
/* Swallow incoming HTLCs (for testing) */
bool ignore_htlcs;
#endif
};
struct peer *find_peer_by_dbid(struct lightningd *ld, u64 dbid);
struct peer *new_peer(struct lightningd *ld, u64 dbid,
const struct node_id *id,
const struct wireaddr_internal *addr,
bool connected_incoming);
/* Last one out deletes peer. Also removes from db. */
void maybe_delete_peer(struct peer *peer);
struct peer *peer_by_id(struct lightningd *ld, const struct node_id *id);
struct peer *peer_from_json(struct lightningd *ld,
const char *buffer,
const jsmntok_t *peeridtok);
/* connectd tells us what peer is doing */
void peer_connected(struct lightningd *ld, const u8 *msg);
void peer_disconnect_done(struct lightningd *ld, const u8 *msg);
void peer_spoke(struct lightningd *ld, const u8 *msg);
/* Could be configurable. */
#define OUR_CHANNEL_FLAGS CHANNEL_FLAGS_ANNOUNCE_CHANNEL
void channel_errmsg(struct channel *channel,
struct peer_fd *peer_fd,
const struct channel_id *channel_id,
const char *desc,
bool warning,
const u8 *err_for_them);
u8 *p2wpkh_for_keyidx(const tal_t *ctx, struct lightningd *ld, u64 keyidx);
/* We've loaded peers from database, set them going. */
void setup_peers(struct lightningd *ld);
/* At startup, re-send any transactions we want bitcoind to have */
void resend_closing_transactions(struct lightningd *ld);
void drop_to_chain(struct lightningd *ld, struct channel *channel, bool cooperative);
void channel_watch_funding(struct lightningd *ld, struct channel *channel);
/* If this channel has a "wrong funding" shutdown, watch that too. */
void channel_watch_wrong_funding(struct lightningd *ld, struct channel *channel);
/* How much can we spend in this channel? */
struct amount_msat channel_amount_spendable(const struct channel *channel);
/* How much can we receive in this channel? */
struct amount_msat channel_amount_receivable(const struct channel *channel);
/* Pull peers, channels and HTLCs from db, and wire them up.
* Returns any HTLCs we have to resubmit via htlcs_resubmit. */
struct htlc_in_map *load_channels_from_wallet(struct lightningd *ld);
#if DEVELOPER
struct leak_detect;
void peer_dev_memleak(struct lightningd *ld, struct leak_detect *leaks);
#endif /* DEVELOPER */
/* Triggered at each new block. */
void waitblockheight_notify_new_block(struct lightningd *ld,
u32 block_height);
/* JSON parameter by channel_id or scid */
struct command_result *
command_find_channel(struct command *cmd,
const char *buffer, const jsmntok_t *tok,
struct channel **channel);
/* Ancient (0.7.0 and before) releases could create invalid commitment txs! */
bool invalid_last_tx(const struct bitcoin_tx *tx);
#endif /* LIGHTNING_LIGHTNINGD_PEER_CONTROL_H */