88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
#ifndef LIGHTNING_COMMON_GOSSIP_CONSTANTS_H
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#define LIGHTNING_COMMON_GOSSIP_CONSTANTS_H
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#include "config.h"
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#include <common/utils.h>
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/* FIXME: This is a legacy concept, which should be eliminated now we have
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* only onion tlv payloads. */
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#define ROUTING_MAX_HOPS 20
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/* BOLT-f3a9f7f4e9e7a5a2997f3129e13d94090091846a #7:
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*
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* The `channel_flags` bitfield...individual bits:
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*...
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* | 0 | `direction` | Direction this update refers to. |
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* | 1 | `disable` | Disable the channel. |
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*/
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#define ROUTING_FLAGS_DIRECTION (1 << 0)
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#define ROUTING_FLAGS_DISABLED (1 << 1)
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/* BOLT #7:
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*
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* The `message_flags` bitfield is used to provide additional details about the message:
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* | Bit Position | Name |
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* | ------------- | ---------------|
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* | 0 | `must_be_one` |
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* | 1 | `dont_forward` |
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*/
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/* FIXME: This is the old name */
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#define ROUTING_OPT_HTLC_MAX_MSAT (1 << 0)
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#define ROUTING_OPT_DONT_FORWARD (1 << 1)
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/* BOLT #7:
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*
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* - MUST NOT send `announcement_signatures` messages until `channel_ready`
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* has been sent and received AND the funding transaction has at least six
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* confirmations.
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*/
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#define ANNOUNCE_MIN_DEPTH 6
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/* Gossip timing constants. These can be overridden using --developer
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* with --dev-fast-gossip */
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#define DEV_FAST_GOSSIP(dev_fast_gossip_flag, fast, normal) \
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((dev_fast_gossip_flag) ? (fast) : (normal))
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/* How close we can generate gossip msgs (5 minutes) */
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#define GOSSIP_MIN_INTERVAL(dev_fast_gossip_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_flag, 5, 300)
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/* How long to wait at start for the plugin to callback with liquidity ad */
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#define GOSSIP_NANN_STARTUP_DELAY(dev_fast_gossip_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_flag, 8, 60)
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/* BOLT #7:
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*
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* - SHOULD flush outgoing gossip messages once every 60 seconds,
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* independently of the arrival times of the messages.
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*/
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#define GOSSIP_FLUSH_INTERVAL(dev_fast_gossip_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_flag, 1, 60)
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/* BOLT #7:
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*
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* A node:
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* - if the `timestamp` of the latest `channel_update` in
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* either direction is older than two weeks (1209600 seconds):
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* - MAY prune the channel.
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* - MAY ignore the channel.
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*/
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#define GOSSIP_PRUNE_INTERVAL(dev_fast_gossip_prune_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_prune_flag, 60, 1209600)
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/* How long after seeing lockin until we announce the channel. */
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#define GOSSIP_ANNOUNCE_DELAY(dev_fast_gossip_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_flag, 1, 60)
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/* How long before deadline should we send refresh update? 1 day normally */
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#define GOSSIP_BEFORE_DEADLINE(dev_fast_gossip_prune_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_prune_flag, 30, 24*60*60)
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/* How many seconds per token? Normally 1 hour. */
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#define GOSSIP_TOKEN_TIME(dev_fast_gossip_flag) \
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DEV_FAST_GOSSIP(dev_fast_gossip_flag, 1, 3600)
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/* This is where we keep our gossip */
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#define GOSSIP_STORE_FILENAME "gossip_store"
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#endif /* LIGHTNING_COMMON_GOSSIP_CONSTANTS_H */
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