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zeroconf: Add alias_remote and alias_local to channel and DB

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`alias_local` is generated locally and sent to the peer so it knows
what we're calling the channel, while `alias_remote` is received by
the peer so we know what to include in routehints when generating
invoices.
This commit is contained in:
Christian Decker
2022-04-22 12:57:01 +02:00
parent 9d3cb95489
commit de1c0b51f0
7 changed files with 71 additions and 4 deletions
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8
lightningd/channel.h
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@@ -135,6 +135,12 @@ struct channel {
/* Channel if locked locally. */
struct short_channel_id *scid;
/* Alias used for option_zeroconf, or option_scid_alias, if
* present. LOCAL are all the alias we told the peer about and
* REMOTE is one of the aliases we got from the peer and we'll
* use in a routehint. */
struct short_channel_id *alias[NUM_SIDES];
struct channel_id cid;
/* Amount going to us, not counting unfinished HTLCs; if we have one. */
@@ -278,6 +284,8 @@ struct channel *new_channel(struct peer *peer, u64 dbid,
bool remote_funding_locked,
/* NULL or stolen */
struct short_channel_id *scid STEALS,
struct short_channel_id *alias_local STEALS,
struct short_channel_id *alias_remote STEALS,
struct channel_id *cid,
struct amount_msat our_msatoshi,
struct amount_msat msatoshi_to_us_min,