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#ifndef LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
#define LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
#include "config.h"
#include <bitcoin/chainparams.h>
#include <bitcoin/privkey.h>
#include <ccan/container_of/container_of.h>
#include <ccan/time/time.h>
#include <ccan/timer/timer.h>
#include <lightningd/htlc_end.h>
#include <lightningd/txfilter.h>
#include <stdio.h>
#include <wallet/wallet.h>
/* BOLT #1:
*
* The default TCP port is 9735. This corresponds to hexadecimal
* `0x2607`, the Unicode code point for LIGHTNING.
*/
#define DEFAULT_PORT 9735
/* Various adjustable things. */
struct config {
/* How long do we want them to lock up their funds? (blocks) */
u32 locktime_blocks;
/* How long do we let them lock up our funds? (blocks) */
u32 locktime_max;
/* How many blocks before we expect to see anchor?. */
u32 anchor_onchain_wait;
/* How many confirms until we consider an anchor "settled". */
u32 anchor_confirms;
/* How long will we accept them waiting? */
u32 anchor_confirms_max;
/* Maximum percent of fee rate we'll accept. */
u32 commitment_fee_max_percent;
/* Minimum percent of fee rate we'll accept. */
u32 commitment_fee_min_percent;
/* Percent of fee rate we'll use. */
u32 commitment_fee_percent;
/* Minimum CLTV to subtract from incoming HTLCs to outgoing */
u32 cltv_expiry_delta;
/* Minimum CLTV if we're the final hop.*/
u32 cltv_final;
/* Maximum time for an expiring HTLC (blocks). */
u32 max_htlc_expiry;
/* Fee rates. */
u32 fee_base;
s32 fee_per_satoshi;
/* How long between polling bitcoind. */
struct timerel poll_time;
/* How long between changing commit and sending COMMIT message. */
struct timerel commit_time;
/* How often to broadcast gossip (msec) */
u32 broadcast_interval;
/* Channel update interval */
u32 channel_update_interval;
/* Do we let the funder set any fee rate they want */
bool ignore_fee_limits;
};
struct lightningd {
/* The directory to find all the subdaemons. */
const char *daemon_dir;
/* Our config dir, and rpc file */
char *config_dir;
char *rpc_filename;
/* Configuration settings. */
struct config config;
/* Log for general stuff. */
struct log_book *log_book;
struct log *log;
const char *logfile;
/* This is us. */
struct pubkey id;
/* My name is... my favorite color is... */
u8 *alias; /* At least 32 bytes (zero-filled) */
u8 *rgb; /* tal_len() == 3. */
/* Any pending timers. */
struct timers timers;
/* Port we're listening on */
u16 portnum;
/* Addresses to announce to the network (tal_count()) */
struct wireaddr *wireaddrs;
/* Bearer of all my secrets. */
int hsm_fd;
/* Daemon looking after peers during init / before channel. */
struct subd *gossip;
/* All peers we're tracking. */
struct list_head peers;
/* FIXME: This should stay in HSM */
struct secret peer_seed;
/* Outstanding connect commands. */
struct list_head connects;
/* Our chain topology. */
struct chain_topology *topology;
/* HTLCs in flight. */
struct htlc_in_map htlcs_in;
struct htlc_out_map htlcs_out;
struct wallet *wallet;
/* Outstanding sendpay/pay commands. */
struct list_head pay_commands;
/* Maintained by invoices.c */
struct invoices *invoices;
/* Transaction filter matching what we're interested in */
struct txfilter *owned_txfilter;
#if DEVELOPER
/* If we want to debug a subdaemon. */
const char *dev_debug_subdaemon;
/* If we want to set a specific non-random HSM seed. */
const u8 *dev_hsm_seed;
/* If we have a --dev-disconnect file */
int dev_disconnect_fd;
/* If we have --dev-fail-on-subdaemon-fail */
bool dev_subdaemon_fail;
/* Things we've marked as not leaking. */
const void **notleaks;
/* Disable automatic reconnects */
bool no_reconnect;
#endif /* DEVELOPER */
};
/**
* derive_peer_seed - Generate a unique secret for this peer's channel
*
* @ld: the lightning daemon to get global secret from
* @peer_seed: where to store the generated secret
* @peer_id: the id node_id of the remote peer
* @chan_id: channel ID
*
* This method generates a unique secret from the given parameters. It
* is important that this secret be unique for each channel, but it
* must be reproducible for the same channel in case of
* reconnection. We use the DB channel ID to guarantee unique secrets
* per channel.
*/
void derive_peer_seed(struct lightningd *ld, struct privkey *peer_seed,
const struct pubkey *peer_id, const u64 channel_id);
struct chainparams *get_chainparams(const struct lightningd *ld);
/* State for performing backtraces. */
struct backtrace_state *backtrace_state;
/* Check we can run subdaemons, and check their versions */
void test_daemons(const struct lightningd *ld);
#endif /* LIGHTNING_LIGHTNINGD_LIGHTNINGD_H */