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dualopend: tell lightningd about new channel as soon as it's locked in.

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Once we send funding_locked, gossipd could start seeing channel_updates
from the peer (which get sent so we can use the channel in routehints
even before it's announcable).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2022-01-25 06:35:52 +10:30
parent 88a4502a51
commit 4dc72dd829
3 changed files with 64 additions and 1 deletions
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23
lightningd/dual_open_control.c
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@@ -22,6 +22,7 @@
#include <lightningd/channel_control.h>
#include <lightningd/closing_control.h>
#include <lightningd/dual_open_control.h>
#include <lightningd/gossip_control.h>
#include <lightningd/hsm_control.h>
#include <lightningd/json.h>
#include <lightningd/notification.h>
@@ -1368,6 +1369,24 @@ static void handle_channel_closed(struct subd *dualopend,
"Start closingd");
}
static void handle_local_private_channel(struct subd *dualopend,
const u8 *msg)
{
struct amount_sat capacity;
u8 *features;
if (!fromwire_dualopend_local_private_channel(msg, msg, &capacity,
&features)) {
channel_internal_error(dualopend->channel,
"bad dualopend_local_private_channel %s",
tal_hex(msg, msg));
return;
}
tell_gossipd_local_private_channel(dualopend->ld, dualopend->channel,
capacity, features);
}
struct channel_send {
const struct wally_tx *wtx;
struct channel *channel;
@@ -2991,7 +3010,9 @@ static unsigned int dual_opend_msg(struct subd *dualopend,
case WIRE_DUALOPEND_FAIL_FALLEN_BEHIND:
channel_fail_fallen_behind(dualopend, msg);
return 0;
case WIRE_DUALOPEND_LOCAL_PRIVATE_CHANNEL:
handle_local_private_channel(dualopend, msg);
return 0;
/* Messages we send */
case WIRE_DUALOPEND_INIT:
case WIRE_DUALOPEND_REINIT: