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48 lines
1.5 KiB
C
48 lines
1.5 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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/* Should we announce our own node? Called at strategic places. */
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void maybe_send_own_node_announce(struct daemon *daemon);
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/* This is a refresh of a local channel: sends an update if one is needed. */
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void refresh_local_channel(struct daemon *daemon,
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struct local_chan *local_chan,
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bool even_if_identical);
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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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