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channeld: send channel updates and announcements via lightningd.

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We're weaning per-peer daemons off having a direct gossipd connection.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2022-01-25 06:33:52 +10:30
parent e8554c862a
commit e841e69b1b
18 changed files with 335 additions and 127 deletions
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83
lightningd/gossip_control.c
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@@ -1,6 +1,7 @@
#include "config.h"
#include <ccan/err/err.h>
#include <ccan/ptrint/ptrint.h>
#include <channeld/channeld_wiregen.h>
#include <common/json_command.h>
#include <common/json_helpers.h>
#include <common/json_tok.h>
@@ -167,6 +168,9 @@ static unsigned gossip_msg(struct subd *gossip, const u8 *msg, const int *fds)
case WIRE_GOSSIPD_ADDGOSSIP:
case WIRE_GOSSIPD_GET_ADDRS:
case WIRE_GOSSIPD_USED_LOCAL_CHANNEL_UPDATE:
case WIRE_GOSSIPD_LOCAL_CHANNEL_UPDATE:
case WIRE_GOSSIPD_LOCAL_CHANNEL_ANNOUNCEMENT:
case WIRE_GOSSIPD_LOCAL_PRIVATE_CHANNEL:
/* This is a reply, so never gets through to here. */
case WIRE_GOSSIPD_INIT_REPLY:
case WIRE_GOSSIPD_DEV_MEMLEAK_REPLY:
@@ -278,6 +282,85 @@ void gossipd_notify_spend(struct lightningd *ld,
subd_send_msg(ld->gossip, msg);
}
/* We unwrap, add the peer id, and send to gossipd. */
void tell_gossipd_local_channel_update(struct lightningd *ld,
struct channel *channel,
const u8 *msg)
{
struct short_channel_id scid;
bool disable;
u16 cltv_expiry_delta;
struct amount_msat htlc_minimum_msat;
u32 fee_base_msat, fee_proportional_millionths;
struct amount_msat htlc_maximum_msat;
if (!fromwire_channeld_local_channel_update(msg, &scid, &disable,
&cltv_expiry_delta,
&htlc_minimum_msat,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_maximum_msat)) {
channel_internal_error(channel,
"bad channeld_local_channel_update %s",
tal_hex(channel, msg));
return;
}
/* As we're shutting down, ignore */
if (!ld->gossip)
return;
subd_send_msg(ld->gossip,
take(towire_gossipd_local_channel_update
(NULL,
&channel->peer->id,
&scid,
disable,
cltv_expiry_delta,
htlc_minimum_msat,
fee_base_msat,
fee_proportional_millionths, htlc_maximum_msat)));
}
void tell_gossipd_local_channel_announce(struct lightningd *ld,
struct channel *channel,
const u8 *msg)
{
u8 *ann;
if (!fromwire_channeld_local_channel_announcement(msg, msg, &ann)) {
channel_internal_error(channel,
"bad channeld_local_channel_announcement"
" %s",
tal_hex(channel, msg));
return;
}
/* As we're shutting down, ignore */
if (!ld->gossip)
return;
subd_send_msg(ld->gossip,
take(towire_gossipd_local_channel_announcement
(NULL, &channel->peer->id, ann)));
}
void tell_gossipd_local_private_channel(struct lightningd *ld,
struct channel *channel,
struct amount_sat capacity,
const u8 *features)
{
/* As we're shutting down, ignore */
if (!ld->gossip)
return;
subd_send_msg(ld->gossip,
take(towire_gossipd_local_private_channel
(NULL, &channel->peer->id,
capacity,
channel->scid,
features)));
}
static struct command_result *json_setleaserates(struct command *cmd,
const char *buffer,
const jsmntok_t *obj UNNEEDED,