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gossipd: ask a peer for *every* channel it knows on startup.

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Asking for the last few blocks was logical, but my node is missing
most gossip in practice.

For the moment, simply ask a peer for every channel it knows, once
we're started up.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-10-18 20:42:54 +10:30 committed by neil saitug
parent 79df507442
commit 4b33b50625
1 changed files with 4 additions and 9 deletions
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13
gossipd/seeker.c
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@ -755,8 +755,6 @@ static void probe_many_random_scids(struct seeker *seeker)
static void check_firstpeer(struct seeker *seeker)
{
struct chan *c;
u64 index;
struct peer *peer = seeker->random_peer_softref, *p;
/* It might have died, pick another. */
@ -787,14 +785,11 @@ static void check_firstpeer(struct seeker *seeker)
normal_gossip_start(seeker, p);
}
/* We always look up 6 prior to last we have */
c = uintmap_last(&seeker->daemon->rstate->chanmap, &index);
if (c && short_channel_id_blocknum(&c->scid) > 6) {
seeker->scid_probe_start = short_channel_id_blocknum(&c->scid) - 6;
} else {
seeker->scid_probe_start = 0;
}
/* Ask a random peer for all channels, in case we're missing */
seeker->scid_probe_start = chainparams->when_lightning_became_cool;
seeker->scid_probe_end = seeker->daemon->current_blockheight;
if (seeker->scid_probe_start > seeker->scid_probe_end)
seeker->scid_probe_start = 0;
peer_gossip_probe_scids(seeker);
}