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0aad222c2d
local_chan was mainly around so we could "soft" disable channels (and really disable them once we used the channel_update in an error message). Instead we introduce the idea of a "deferred_update": it's either deferred indefinitely (a peer goes offline, if we need to send it in an error we'll apply it immediatly), or simply delayed to avoid spamming everyone. The resulting rewrite is much clearer, IMHO. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
#ifndef LIGHTNING_GOSSIPD_GOSSIP_GENERATION_H
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#define LIGHTNING_GOSSIPD_GOSSIP_GENERATION_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <stdbool.h>
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#include <stddef.h>
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struct chan;
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struct daemon;
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struct half_chan;
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struct local_chan;
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struct gossip_store;
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struct peer;
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struct node;
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/* Helper to get non-signature, non-timestamp parts of (valid!) channel_update */
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void get_cupdate_parts(const u8 *channel_update,
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const u8 *parts[2],
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size_t sizes[2]);
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/* Is this channel_update different from prev (not sigs and timestamps)?
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* is_halfchan_defined(hc) must be true! */
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bool cupdate_different(struct gossip_store *gs,
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const struct half_chan *hc,
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const u8 *cupdate);
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/* Is this node_announcement different from prev (not sigs and timestamps)?
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* node->bcast.index must be non-zero! */
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bool nannounce_different(struct gossip_store *gs,
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const struct node *node,
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const u8 *nannounce,
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bool *only_missing_tlv);
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/* Should we announce our own node? Called at strategic places. */
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void maybe_send_own_node_announce(struct daemon *daemon, bool startup);
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/* Flush any pending changes to this channel. */
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bool local_channel_update_latest(struct daemon *daemon, struct chan *chan);
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/* Disable this local channel (lazily) */
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void local_disable_chan(struct daemon *daemon, const struct chan *chan, int direction);
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/* Re-enable this local channel */
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void local_enable_chan(struct daemon *daemon, const struct chan *chan, int direction);
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/* This is a refresh of a local channel which is > 13 days old. */
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void refresh_local_channel(struct daemon *daemon,
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struct chan *chan, int direction);
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/* channeld asks us to update the local channel. */
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bool handle_local_channel_update(struct daemon *daemon,
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const struct node_id *src,
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const u8 *msg);
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#endif /* LIGHTNING_GOSSIPD_GOSSIP_GENERATION_H */
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