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channel: Send local_add_channel to gossip on funding_locked

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2017-12-15 15:47:58 +01:00 • committed by Rusty Russell
parent 2988e290cf
commit ecde138071
1 changed files with 34 additions and 2 deletions
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36
channeld/channel.c
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@ -199,6 +199,34 @@ static void gossip_in(struct peer *peer, const u8 *msg)
wire_type_name(type), tal_hex(msg, msg));
}
/* Send a temporary `channel_announcement` and `channel_update`. These
* are unsigned and mainly used to tell gossip about the channel
* before we have reached the `announcement_depth`, not being signed
* means they will not be relayed, but we can already rely on them for
* our own outgoing payments */
static void send_temporary_announcement(struct peer *peer)
{
tal_t *tmpctx;
u8 *msg;
/* If we are supposed to send a real announcement, don't do a
* dummy one here, hence the check for announce_depth. */
if (peer->announce_depth_reached || !peer->funding_locked[LOCAL] ||
!peer->funding_locked[REMOTE])
return;
tmpctx = tal_tmpctx(peer);
msg = towire_gossip_local_add_channel(
tmpctx, &peer->short_channel_ids[LOCAL], &peer->chain_hash,
&peer->node_ids[REMOTE], 0 /* flags */, peer->cltv_delta,
peer->conf[REMOTE].htlc_minimum_msat, peer->fee_base,
peer->fee_per_satoshi);
wire_sync_write(GOSSIP_FD, take(msg));
tal_free(tmpctx);
}
static void send_announcement_signatures(struct peer *peer)
{
/* First 2 + 256 byte are the signatures and msg type, skip them */
@ -363,6 +391,8 @@ static void handle_peer_funding_locked(struct peer *peer, const u8 *msg)
take(towire_channel_normal_operation(peer)));
}
/* Send temporary or final announcements */
send_temporary_announcement(peer);
send_announcement_signatures(peer);
}
@ -1808,12 +1838,14 @@ static void handle_funding_locked(struct peer *peer, const u8 *msg)
msg_enqueue(&peer->peer_out, take(msg));
peer->funding_locked[LOCAL] = true;
send_announcement_signatures(peer);
if (peer->funding_locked[REMOTE]) {
wire_sync_write(MASTER_FD,
take(towire_channel_normal_operation(peer)));
}
/* Send temporary or final announcements */
send_temporary_announcement(peer);
send_announcement_signatures(peer);
}
static void handle_funding_announce_depth(struct peer *peer, const u8 *msg)