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6a02cfccd7
Instead of "new" and "load", we don't really need to "load" anything, so do everything in gossip_store_new. Have it do the compaction/rewrite, and collect the dying records
127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
#ifndef LIGHTNING_GOSSIPD_GOSSMAP_MANAGE_H
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#define LIGHTNING_GOSSIPD_GOSSMAP_MANAGE_H
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#include "config.h"
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struct daemon;
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struct gossmap_manage;
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struct chan_dying;
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struct gossmap_manage *gossmap_manage_new(const tal_t *ctx,
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struct daemon *daemon,
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struct chan_dying *dying_channels TAKES);
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/**
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* gossmap_manage_channel_announcement: process an incoming channel_announcement
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* @ctx: tal context for return string
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* @gm: the gossmap_manage context
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* @announce: the channel_announcement message
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* @source_peer: peer who sent this (NULL if it's from lightningd)
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* @known_amount: if non-NULL, do not ask lightningd to look up UTXO.
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*
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* Returns an error string if it wasn't redundant or included. Lightningd
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* suppresses lookups if it generated the announcement, partially because it's
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* redundant, but also because in our tests the UTXO is often spent by the time
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* it processes the lookup!
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*/
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const char *gossmap_manage_channel_announcement(const tal_t *ctx,
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struct gossmap_manage *gm,
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const u8 *announce TAKES,
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const struct node_id *source_peer TAKES,
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const struct amount_sat *known_amount);
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/**
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* gossmap_manage_handle_get_txout_reply: process a txout reply from lightningd
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* @gm: the gossmap_manage context
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* @msg: the message
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*
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* Since handle_channel_announcement asks lightning for utxos,
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* it gets called back here.
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*/
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void gossmap_manage_handle_get_txout_reply(struct gossmap_manage *gm, const u8 *msg);
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/**
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* gossmap_manage_channel_update: process an incoming channel_update
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* @ctx: tal context for return string
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* @gm: the gossmap_manage context
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* @update: the channel_update message
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* @source_peer: optional peer who sent this
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*
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* Returns an error string if it wasn't redundant or included.
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*/
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const char *gossmap_manage_channel_update(const tal_t *ctx,
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struct gossmap_manage *gm,
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const u8 *update TAKES,
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const struct node_id *source_peer TAKES);
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/**
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* gossmap_manage_node_announcement: process an incoming node_announcement
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* @ctx: tal context for return string allocation
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* @gm: the gossmap_manage context
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* @node_announcement: the node_announcement message
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* @source_peer: optional peer who sent this
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*
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* Returns an error string if it wasn't redundant or included.
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*/
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const char *gossmap_manage_node_announcement(const tal_t *ctx,
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struct gossmap_manage *gm,
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const u8 *node_announcement TAKES,
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const struct node_id *source_peer TAKES);
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/**
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* gossmap_manage_new_block: handle block height update.
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* @gm: the gossmap_manage context
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* @new_blockheight: the new blockheight
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*/
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void gossmap_manage_new_block(struct gossmap_manage *gm, u32 new_blockheight);
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/**
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* gossmap_manage_channel_spent: handle an UTXO being spent
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* @gm: the gossmap_manage context
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* @blockheight: the blockheight it was spent at
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* @scid: the short_channel_id
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*
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* lightningd tells us all the possible UTXOs spent every block: most
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* don't match channels.
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*/
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void gossmap_manage_channel_spent(struct gossmap_manage *gm,
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u32 blockheight,
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struct short_channel_id scid);
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/**
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* gossmap_manage_get_gossmap: get the (refreshed!) gossmap
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* @gm: the gossmap_manage context
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*/
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struct gossmap *gossmap_manage_get_gossmap(struct gossmap_manage *gm);
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/**
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* gossmap_manage_new_peer: send all our own gossip to this peer.
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* @gm: the gossmap_manage context
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* @peer: the node_id of the peer.
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*/
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void gossmap_manage_new_peer(struct gossmap_manage *gm,
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const struct node_id *peer);
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/**
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* gossmap_manage_get_node_addresses: get addresses for this node.
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* @ctx: the allocation context
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* @gm: the gossmap_manage context
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* @node_id: the node_id to look up
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*
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* Returns NULL if we don't have node_announcement for it.
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*/
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struct wireaddr *gossmap_manage_get_node_addresses(const tal_t *ctx,
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struct gossmap_manage *gm,
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const struct node_id *node_id);
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/**
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* gossmap_manage_tell_lightningd_locals: tell lightningd our latest updates.
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* @daemon: the gossip daemon
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* @gm: the gossmap_manage context
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*
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* Done before we reply to gossipd_init.
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*/
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void gossmap_manage_tell_lightningd_locals(struct daemon *daemon,
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struct gossmap_manage *gm);
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#endif /* LIGHTNING_GOSSIPD_GOSSMAP_MANAGE_H */
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