154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
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#define LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
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#include "config.h"
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#include <bitcoin/chainparams.h>
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#include <bitcoin/privkey.h>
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#include <ccan/container_of/container_of.h>
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#include <ccan/time/time.h>
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#include <ccan/timer/timer.h>
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#include <lightningd/htlc_end.h>
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#include <stdio.h>
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#include <wallet/wallet.h>
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/* BOLT #1:
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*
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* The default TCP port is 9735. This corresponds to hexadecimal
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* `0x2607`, the Unicode code point for LIGHTNING.
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*/
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#define DEFAULT_PORT 0x2607
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/* Various adjustable things. */
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struct config {
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/* How long do we want them to lock up their funds? (blocks) */
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u32 locktime_blocks;
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/* How long do we let them lock up our funds? (blocks) */
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u32 locktime_max;
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/* How many blocks before we expect to see anchor?. */
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u32 anchor_onchain_wait;
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/* How many confirms until we consider an anchor "settled". */
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u32 anchor_confirms;
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/* How long will we accept them waiting? */
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u32 anchor_confirms_max;
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/* How many blocks until we stop watching a close commit? */
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u32 forever_confirms;
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/* Maximum percent of fee rate we'll accept. */
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u32 commitment_fee_max_percent;
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/* Minimum percent of fee rate we'll accept. */
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u32 commitment_fee_min_percent;
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/* Percent of fee rate we'll use. */
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u32 commitment_fee_percent;
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/* Minimum/maximum time for an expiring HTLC (blocks). */
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u32 min_htlc_expiry, max_htlc_expiry;
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/* How many blocks before upstream HTLC expiry do we panic and dump? */
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u32 deadline_blocks;
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/* Fee rates. */
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u32 fee_base;
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s32 fee_per_satoshi;
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/* How long between polling bitcoind. */
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struct timerel poll_time;
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/* How long between changing commit and sending COMMIT message. */
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struct timerel commit_time;
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/* IPv4 or IPv6 address to announce to the network */
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struct ipaddr ipaddr;
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};
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struct lightningd {
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/* The directory to find all the subdaemons. */
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const char *daemon_dir;
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/* Our config dir, and rpc file */
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char *config_dir;
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char *rpc_filename;
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/* Configuration settings. */
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struct config config;
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/* Log for general stuff. */
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struct log_book *log_book;
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struct log *log;
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/* This is us. */
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struct pubkey id;
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/* Any pending timers. */
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struct timers timers;
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/* Port we're listening on */
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u16 portnum;
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/* Bearer of all my secrets. */
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int hsm_fd;
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/* Daemon looking after peers during init / before channel. */
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struct subd *gossip;
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/* All peers we're tracking. */
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struct list_head peers;
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/* FIXME: This should stay in HSM */
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struct secret peer_seed;
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/* Used to give a unique seed to every peer. */
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u64 peer_counter;
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/* Our chain topology. */
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struct chain_topology *topology;
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/* If we want to debug a subdaemon. */
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const char *dev_debug_subdaemon;
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/* If we have a --dev-disconnect file */
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int dev_disconnect_fd;
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/* If we have --dev-fail-on-subdaemon-fail */
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bool dev_subdaemon_fail;
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/* HTLCs in flight. */
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struct htlc_in_map htlcs_in;
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struct htlc_out_map htlcs_out;
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u32 broadcast_interval;
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struct wallet *wallet;
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/* Maintained by invoices.c */
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struct invoices *invoices;
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/* Any outstanding "pay" commands. */
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struct list_head pay_commands;
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};
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/**
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* derive_peer_seed - Generate a unique secret for this peer's channel
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*
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* @ld: the lightning daemon to get global secret from
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* @peer_seed: where to store the generated secret
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* @peer_id: the id node_id of the remote peer
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* @chan_id: channel ID
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*
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* This method generates a unique secret from the given parameters. It
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* is important that this secret be unique for each channel, but it
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* must be reproducible for the same channel in case of
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* reconnection. We use the DB channel ID to guarantee unique secrets
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* per channel.
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*/
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void derive_peer_seed(struct lightningd *ld, struct privkey *peer_seed,
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const struct pubkey *peer_id, const u64 channel_id);
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struct peer *find_peer_by_unique_id(struct lightningd *ld, u64 unique_id);
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struct chainparams *get_chainparams(const struct lightningd *ld);
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#endif /* LIGHTNING_LIGHTNINGD_LIGHTNINGD_H */
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