116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_PEER_CONTROL_H
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#define LIGHTNING_LIGHTNINGD_PEER_CONTROL_H
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#include "config.h"
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#include <ccan/compiler/compiler.h>
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#include <ccan/crypto/shachain/shachain.h>
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#include <ccan/list/list.h>
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#include <common/channel_config.h>
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#include <common/htlc.h>
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#include <common/json.h>
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#include <common/wireaddr.h>
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#include <lightningd/channel.h>
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#include <lightningd/channel_state.h>
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#include <stdbool.h>
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#include <wallet/wallet.h>
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#include <wire/peer_wire.h>
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#define ANNOUNCE_MIN_DEPTH 6
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struct crypto_state;
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struct peer {
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/* Inside ld->peers. */
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struct list_node list;
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/* Master context */
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struct lightningd *ld;
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/* Database ID of the peer */
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u64 dbid;
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/* ID of peer */
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struct pubkey id;
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/* Our channels */
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struct list_head channels;
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/* Our (only) uncommitted channel, still opening. */
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struct uncommitted_channel *uncommitted_channel;
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/* History */
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struct log_book *log_book;
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/* Where we connected to, or it connected from. */
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struct wireaddr addr;
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/* If we open a channel our direction will be this */
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u8 direction;
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#if DEVELOPER
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/* Swallow incoming HTLCs (for testing) */
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bool ignore_htlcs;
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#endif
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};
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struct peer *find_peer_by_dbid(struct lightningd *ld, u64 dbid);
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struct peer *new_peer(struct lightningd *ld, u64 dbid,
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const struct pubkey *id,
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const struct wireaddr *addr);
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/* Also removes from db. */
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void delete_peer(struct peer *peer);
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/* Tell gossipd to try to reconnect (unless --dev-no-reconnect) */
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void try_reconnect(struct peer *peer);
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struct peer *peer_by_id(struct lightningd *ld, const struct pubkey *id);
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struct peer *peer_from_json(struct lightningd *ld,
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const char *buffer,
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jsmntok_t *peeridtok);
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/* The three ways peers enter from the network:
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*
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* peer_connected - when it first connects to gossipd (after init exchange).
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* peer_sent_nongossip - when it tries to fund a channel.
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* gossip_peer_released - when we tell gossipd to release it so we can fund
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* a channel.
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*/
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void peer_connected(struct lightningd *ld, const u8 *msg,
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int peer_fd, int gossip_fd);
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void peer_sent_nongossip(struct lightningd *ld,
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const struct pubkey *id,
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const struct wireaddr *addr,
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const struct crypto_state *cs,
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u64 gossip_index,
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const u8 *gfeatures,
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const u8 *lfeatures,
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int peer_fd, int gossip_fd,
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const u8 *in_msg);
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/* Could be configurable. */
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#define OUR_CHANNEL_FLAGS CHANNEL_FLAGS_ANNOUNCE_CHANNEL
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void channel_errmsg(struct channel *channel,
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int peer_fd, int gossip_fd,
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const struct crypto_state *cs,
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u64 gossip_index,
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const struct channel_id *channel_id,
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const char *desc,
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const u8 *err_for_them);
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u8 *p2wpkh_for_keyidx(const tal_t *ctx, struct lightningd *ld, u64 keyidx);
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/* We've loaded peers from database, set them going. */
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void activate_peers(struct lightningd *ld);
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void drop_to_chain(struct lightningd *ld, struct channel *channel, bool cooperative);
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/* Get range of feerates to insist other side abide by for normal channels. */
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u32 feerate_min(struct lightningd *ld);
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u32 feerate_max(struct lightningd *ld);
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void channel_watch_funding(struct lightningd *ld, struct channel *channel);
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#endif /* LIGHTNING_LIGHTNINGD_PEER_CONTROL_H */
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