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channeld: send channel updates and announcements via lightningd.

Browse source 
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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30
channeld/channeld.c
View file

@ -392,7 +392,9 @@ static void maybe_send_stfu(struct peer *peer)
}
#endif
/* Create and send channel_update to gossipd (and maybe peer) */
/* Tell gossipd to create channel_update (then it goes into
* gossip_store, then streams out to peers, or sends it directly if
* it's a private channel) */
static void send_channel_update(struct peer *peer, int disable_flag)
{
u8 *msg;
@ -405,7 +407,7 @@ static void send_channel_update(struct peer *peer, int disable_flag)
assert(peer->short_channel_ids[LOCAL].u64);
msg = towire_gossipd_local_channel_update(NULL,
msg = towire_channeld_local_channel_update(NULL,
&peer->short_channel_ids[LOCAL],
disable_flag
== ROUTING_FLAGS_DISABLED,
@ -414,7 +416,7 @@ static void send_channel_update(struct peer *peer, int disable_flag)
peer->fee_base,
peer->fee_per_satoshi,
advertized_htlc_max(peer->channel));
wire_sync_write(peer->pps->gossip_fd, take(msg));
wire_sync_write(MASTER_FD, take(msg));
}
/**
@ -430,22 +432,15 @@ static void send_channel_update(struct peer *peer, int disable_flag)
static void make_channel_local_active(struct peer *peer)
{
u8 *msg;
const u8 *ann;
const u8 *annfeatures = get_agreed_channelfeatures(tmpctx,
peer->our_features,
peer->their_features);
ann = private_channel_announcement(tmpctx,
&peer->short_channel_ids[LOCAL],
&peer->node_ids[LOCAL],
&peer->node_ids[REMOTE],
annfeatures);
/* Tell gossipd about local channel. */
msg = towire_gossip_store_private_channel(NULL,
/* Tell lightningd to tell gossipd about local channel. */
msg = towire_channeld_local_private_channel(NULL,
peer->channel->funding_sats,
ann);
wire_sync_write(peer->pps->gossip_fd, take(msg));
annfeatures);
wire_sync_write(MASTER_FD, take(msg));
/* Tell gossipd and the other side what parameters we expect should
* they route through us */
@ -560,8 +555,8 @@ static void announce_channel(struct peer *peer)
cannounce = create_channel_announcement(tmpctx, peer);
wire_sync_write(peer->pps->gossip_fd,
take(towire_gossipd_local_channel_announcement(NULL,
wire_sync_write(MASTER_FD,
take(towire_channeld_local_channel_announcement(NULL,
cannounce)));
send_channel_update(peer, 0);
}
@ -3795,6 +3790,9 @@ static void req_in(struct peer *peer, const u8 *msg)
case WIRE_CHANNELD_UPGRADED:
case WIRE_CHANNELD_PING_REPLY:
case WIRE_CHANNELD_USED_CHANNEL_UPDATE:
case WIRE_CHANNELD_LOCAL_CHANNEL_UPDATE:
case WIRE_CHANNELD_LOCAL_CHANNEL_ANNOUNCEMENT:
case WIRE_CHANNELD_LOCAL_PRIVATE_CHANNEL:
break;
}

21
channeld/channeld_wire.csv
View file

@ -234,6 +234,27 @@ msgdata,channeld_channel_update,msg,u8,len
# Tell lightningd we used the latest channel_update for an error.
msgtype,channeld_used_channel_update,1102
# Channeld: tell gossipd to make this channel_update.
msgtype,channeld_local_channel_update,1013
msgdata,channeld_local_channel_update,short_channel_id,short_channel_id,
msgdata,channeld_local_channel_update,disable,bool,
msgdata,channeld_local_channel_update,cltv_expiry_delta,u16,
msgdata,channeld_local_channel_update,htlc_minimum_msat,amount_msat,
msgdata,channeld_local_channel_update,fee_base_msat,u32,
msgdata,channeld_local_channel_update,fee_proportional_millionths,u32,
msgdata,channeld_local_channel_update,htlc_maximum_msat,amount_msat,
# Channeld: tell gossipd about our channel_announcement
msgtype,channeld_local_channel_announcement,1014
msgdata,channeld_local_channel_announcement,len,u16,
msgdata,channeld_local_channel_announcement,cannounce,u8,len
# Channeld: tell gossipd about this (as-yet) unannounced channel
msgtype,channeld_local_private_channel,1015
msgdata,channeld_local_private_channel,capacity,amount_sat,
msgdata,channeld_local_private_channel,len,u16,
msgdata,channeld_local_private_channel,features,u8,len
# Ask channeld to quiesce.
msgtype,channeld_dev_quiesce,1009
msgtype,channeld_dev_quiesce_reply,1109

Can't render this file because it has a wrong number of fields in line 13.

29
gossipd/gossip_generation.c
View file

@ -15,7 +15,6 @@
#include <gossipd/gossip_store.h>
#include <gossipd/gossip_store_wiregen.h>
#include <gossipd/gossipd.h>
#include <gossipd/gossipd_peerd_wiregen.h>
#include <gossipd/gossipd_wiregen.h>
#include <hsmd/hsmd_wiregen.h>
#include <wire/wire_sync.h>
@ -695,11 +694,10 @@ void refresh_local_channel(struct daemon *daemon,
sign_timestamp_and_apply_update(daemon, chan, direction, take(update));
}
/* channeld asks us to update the local channel. */
bool handle_local_channel_update(struct daemon *daemon,
const struct node_id *src,
const u8 *msg)
/* channeld (via lightningd) asks us to update the local channel. */
void handle_local_channel_update(struct daemon *daemon, const u8 *msg)
{
struct node_id id;
struct short_channel_id scid;
bool disable;
u16 cltv_expiry_delta;
@ -710,10 +708,8 @@ bool handle_local_channel_update(struct daemon *daemon,
u8 *unsigned_update;
const struct half_chan *hc;
/* FIXME: We should get scid from lightningd when setting up the
* connection, so no per-peer daemon can mess with channels other than
* its own! */
if (!fromwire_gossipd_local_channel_update(msg,
&id,
&scid,
&disable,
&cltv_expiry_delta,
@ -721,26 +717,24 @@ bool handle_local_channel_update(struct daemon *daemon,
&fee_base_msat,
&fee_proportional_millionths,
&htlc_maximum)) {
status_peer_broken(src, "bad local_channel_update %s",
tal_hex(tmpctx, msg));
return false;
master_badmsg(WIRE_GOSSIPD_LOCAL_CHANNEL_UPDATE, msg);
}
chan = get_channel(daemon->rstate, &scid);
/* Can theoretically happen if channel just closed. */
if (!chan) {
status_peer_debug(src, "local_channel_update for unknown %s",
status_peer_debug(&id, "local_channel_update for unknown %s",
type_to_string(tmpctx, struct short_channel_id,
&scid));
return true;
return;
}
if (!local_direction(daemon->rstate, chan, &direction)) {
status_peer_broken(src, "bad local_channel_update chan %s",
status_peer_broken(&id, "bad local_channel_update chan %s",
type_to_string(tmpctx,
struct short_channel_id,
&scid));
return false;
return;
}
unsigned_update = create_unsigned_update(tmpctx, &scid, direction,
@ -754,7 +748,7 @@ bool handle_local_channel_update(struct daemon *daemon,
/* Ignore duplicates. */
if (is_halfchan_defined(hc)
&& !cupdate_different(daemon->rstate->gs, hc, unsigned_update))
return true;
return;
/* Too early? Defer (don't worry if it's unannounced). */
if (hc && is_chan_public(chan)) {
@ -764,13 +758,12 @@ bool handle_local_channel_update(struct daemon *daemon,
if (now < next_time) {
defer_update(daemon, next_time - now,
chan, direction, take(unsigned_update));
return true;
return;
}
}
sign_timestamp_and_apply_update(daemon, chan, direction,
take(unsigned_update));
return true;
}
/* Take update, set/unset disabled flag (and update timestamp).

6
gossipd/gossip_generation.h
View file

@ -45,10 +45,8 @@ void local_enable_chan(struct daemon *daemon, const struct chan *chan, int direc
void refresh_local_channel(struct daemon *daemon,
struct chan *chan, int direction);
/* channeld asks us to update the local channel. */
bool handle_local_channel_update(struct daemon *daemon,
const struct node_id *src,
const u8 *msg);
/* channeld (via lightningd) asks us to update the local channel. */
void handle_local_channel_update(struct daemon *daemon, const u8 *msg);
/* lightningd tells us it used the last channel_update we sent. */
void handle_used_local_channel_update(struct daemon *daemon, const u8 *msg);

15
gossipd/gossip_store.c
View file

@ -782,14 +782,25 @@ u32 gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
}
switch (fromwire_peektype(msg)) {
case WIRE_GOSSIP_STORE_PRIVATE_CHANNEL:
if (!routing_add_private_channel(rstate, NULL, msg,
case WIRE_GOSSIP_STORE_PRIVATE_CHANNEL: {
u8 *chan_ann;
struct amount_sat sat;
if (!fromwire_gossip_store_private_channel(msg, msg,
&sat,
&chan_ann)) {
bad = "Bad private_channel";
goto badmsg;
}
if (!routing_add_private_channel(rstate, NULL,
sat, chan_ann,
gs->len)) {
bad = "Bad add_private_channel";
goto badmsg;
}
stats[0]++;
break;
}
case WIRE_GOSSIP_STORE_CHANNEL_AMOUNT:
if (!fromwire_gossip_store_channel_amount(msg,
&satoshis)) {

95
gossipd/gossipd.c
View file

@ -19,6 +19,7 @@
#include <common/ecdh_hsmd.h>
#include <common/lease_rates.h>
#include <common/memleak.h>
#include <common/private_channel_announcement.h>
#include <common/pseudorand.h>
#include <common/sphinx.h>
#include <common/status.h>
@ -289,31 +290,60 @@ static u8 *handle_node_announce(struct peer *peer, const u8 *msg)
return err;
}
static bool handle_local_channel_announcement(struct daemon *daemon,
struct peer *peer,
const u8 *msg)
static void handle_local_channel_announcement(struct daemon *daemon, const u8 *msg)
{
u8 *cannouncement;
const u8 *err;
struct node_id id;
struct peer *peer;
if (!fromwire_gossipd_local_channel_announcement(msg, msg,
&cannouncement)) {
status_broken("peer %s bad local_channel_announcement %s",
type_to_string(tmpctx, struct node_id, &peer->id),
tal_hex(tmpctx, msg));
return false;
}
&id,
&cannouncement))
master_badmsg(WIRE_GOSSIPD_LOCAL_CHANNEL_ANNOUNCEMENT, msg);
/* We treat it OK even if peer has disconnected since (unlikely though!) */
peer = find_peer(daemon, &id);
if (!peer)
status_broken("Unknown peer %s for local_channel_announcement",
type_to_string(tmpctx, struct node_id, &id));
err = handle_channel_announcement_msg(daemon, peer, cannouncement);
if (err) {
status_broken("peer %s invalid local_channel_announcement %s (%s)",
type_to_string(tmpctx, struct node_id, &peer->id),
type_to_string(tmpctx, struct node_id, &id),
tal_hex(tmpctx, msg),
tal_hex(tmpctx, err));
return false;
}
}
return true;
/* channeld (via lightningd) tells us about (as-yet?) unannounce channel.
* It needs us to put it in gossip_store. */
static void handle_local_private_channel(struct daemon *daemon, const u8 *msg)
{
struct node_id id;
struct amount_sat capacity;
u8 *features;
struct short_channel_id scid;
const u8 *cannounce;
if (!fromwire_gossipd_local_private_channel(msg, msg,
&id, &capacity, &scid,
&features))
master_badmsg(WIRE_GOSSIPD_LOCAL_PRIVATE_CHANNEL, msg);
cannounce = private_channel_announcement(tmpctx,
&scid,
&daemon->id,
&id,
features);
if (!routing_add_private_channel(daemon->rstate, &id, capacity,
cannounce, 0)) {
status_peer_broken(&id, "bad add_private_channel %s",
tal_hex(tmpctx, cannounce));
}
}
/* Peer sends obsolete onion msg. */
@ -645,7 +675,6 @@ static struct io_plan *peer_msg_in(struct io_conn *conn,
struct peer *peer)
{
const u8 *err;
bool ok;
/* These are messages relayed from peer */
switch ((enum peer_wire)fromwire_peektype(msg)) {
@ -720,40 +749,17 @@ static struct io_plan *peer_msg_in(struct io_conn *conn,
return io_close(conn);
}
/* Must be a gossipd_peerd_wire_type asking us to do something. */
switch ((enum gossipd_peerd_wire)fromwire_peektype(msg)) {
case WIRE_GOSSIPD_LOCAL_CHANNEL_UPDATE:
ok = handle_local_channel_update(peer->daemon, &peer->id, msg);
goto handled_cmd;
case WIRE_GOSSIPD_LOCAL_CHANNEL_ANNOUNCEMENT:
ok = handle_local_channel_announcement(peer->daemon, peer, msg);
goto handled_cmd;
}
if (fromwire_peektype(msg) == WIRE_GOSSIP_STORE_PRIVATE_CHANNEL) {
ok = routing_add_private_channel(peer->daemon->rstate, peer,
msg, 0);
goto handled_cmd;
}
/* Anything else should not have been sent to us: close on it */
status_peer_broken(&peer->id, "unexpected cmd of type %i %s",
fromwire_peektype(msg),
gossipd_peerd_wire_name(fromwire_peektype(msg)));
status_peer_broken(&peer->id, "unexpected cmd of type %i",
fromwire_peektype(msg));
return io_close(conn);
/* Commands should always be OK. */
handled_cmd:
if (!ok)
return io_close(conn);
goto done;
/* Forwarded messages may be bad, so we have error which the per-peer
* daemon will forward to the peer. */
handled_relay:
if (err)
queue_peer_msg(peer, take(err));
done:
return daemon_conn_read_next(conn, peer->dc);
}
@ -1297,6 +1303,17 @@ static struct io_plan *recv_req(struct io_conn *conn,
handle_used_local_channel_update(daemon, msg);
goto done;
case WIRE_GOSSIPD_LOCAL_CHANNEL_UPDATE:
handle_local_channel_update(daemon, msg);
goto done;
case WIRE_GOSSIPD_LOCAL_CHANNEL_ANNOUNCEMENT:
handle_local_channel_announcement(daemon, msg);
goto done;
case WIRE_GOSSIPD_LOCAL_PRIVATE_CHANNEL:
handle_local_private_channel(daemon, msg);
goto done;
#if DEVELOPER
case WIRE_GOSSIPD_DEV_SET_MAX_SCIDS_ENCODE_SIZE:
dev_set_max_scids_encode_size(daemon, msg);

14
gossipd/gossipd_peerd_wire.csv
View file

@ -2,17 +2,3 @@
#include <bitcoin/short_channel_id.h>
#include <common/amount.h>
# Send this channel_update.
msgtype,gossipd_local_channel_update,3504
msgdata,gossipd_local_channel_update,short_channel_id,short_channel_id,
msgdata,gossipd_local_channel_update,disable,bool,
msgdata,gossipd_local_channel_update,cltv_expiry_delta,u16,
msgdata,gossipd_local_channel_update,htlc_minimum_msat,amount_msat,
msgdata,gossipd_local_channel_update,fee_base_msat,u32,
msgdata,gossipd_local_channel_update,fee_proportional_millionths,u32,
msgdata,gossipd_local_channel_update,htlc_maximum_msat,amount_msat,
# Send this channel_announcement
msgtype,gossipd_local_channel_announcement,3506
msgdata,gossipd_local_channel_announcement,len,u16,
msgdata,gossipd_local_channel_announcement,cannount,u8,len

1 # These must be distinct from WIRE_CHANNEL_ANNOUNCEMENT etc. gossip msgs!
2 #include <bitcoin/short_channel_id.h>
3 #include <common/amount.h>
4
msgtype,gossipd_local_channel_update,3504
msgdata,gossipd_local_channel_update,short_channel_id,short_channel_id,
msgdata,gossipd_local_channel_update,disable,bool,
msgdata,gossipd_local_channel_update,cltv_expiry_delta,u16,
msgdata,gossipd_local_channel_update,htlc_minimum_msat,amount_msat,
msgdata,gossipd_local_channel_update,fee_base_msat,u32,
msgdata,gossipd_local_channel_update,fee_proportional_millionths,u32,
msgdata,gossipd_local_channel_update,htlc_maximum_msat,amount_msat,
# Send this channel_announcement
msgtype,gossipd_local_channel_announcement,3506
msgdata,gossipd_local_channel_announcement,len,u16,
msgdata,gossipd_local_channel_announcement,cannount,u8,len

26
gossipd/gossipd_wire.csv
View file

@ -115,6 +115,32 @@ msgdata,gossipd_got_local_channel_update,scid,short_channel_id,
msgdata,gossipd_got_local_channel_update,len,u16,
msgdata,gossipd_got_local_channel_update,channel_update,u8,len
# Send this channel_update.
msgtype,gossipd_local_channel_update,3004
msgdata,gossipd_local_channel_update,id,node_id,
msgdata,gossipd_local_channel_update,short_channel_id,short_channel_id,
msgdata,gossipd_local_channel_update,disable,bool,
msgdata,gossipd_local_channel_update,cltv_expiry_delta,u16,
msgdata,gossipd_local_channel_update,htlc_minimum_msat,amount_msat,
msgdata,gossipd_local_channel_update,fee_base_msat,u32,
msgdata,gossipd_local_channel_update,fee_proportional_millionths,u32,
msgdata,gossipd_local_channel_update,htlc_maximum_msat,amount_msat,
# Send this channel_announcement
msgtype,gossipd_local_channel_announcement,3006
msgdata,gossipd_local_channel_announcement,id,node_id,
msgdata,gossipd_local_channel_announcement,len,u16,
msgdata,gossipd_local_channel_announcement,cannounce,u8,len
# Tell gossipd about a private channel (to put it in the store)
# cannounce has same structure, dummy sigs.
msgtype,gossipd_local_private_channel,3008
msgdata,gossipd_local_private_channel,id,node_id,
msgdata,gossipd_local_private_channel,capacity,amount_sat,
msgdata,gossipd_local_private_channel,scid,short_channel_id,
msgdata,gossipd_local_private_channel,len,u16,
msgdata,gossipd_local_private_channel,features,u8,len
# Tell gossipd we used the channel update (in case it was deferred)
msgtype,gossipd_used_local_channel_update,3052
msgdata,gossipd_used_local_channel_update,scid,short_channel_id,

1 #include <common/cryptomsg.h>
115 msgdata,gossipd_local_private_channel,len,u16,
116 msgdata,gossipd_local_private_channel,features,u8,len
117 # Tell gossipd we used the channel update (in case it was deferred)
118 msgtype,gossipd_used_local_channel_update,3052
119 msgdata,gossipd_used_local_channel_update,scid,short_channel_id,
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
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144
145
146

56
gossipd/routing.c
View file

@ -1820,23 +1820,18 @@ void route_prune(struct routing_state *rstate)
}
bool routing_add_private_channel(struct routing_state *rstate,
const struct peer *peer,
const u8 *msg, u64 index)
const struct node_id *id,
struct amount_sat capacity,
const u8 *chan_ann, u64 index)
{
struct short_channel_id scid;
struct node_id node_id[2];
struct pubkey ignorekey;
struct amount_sat sat;
struct chan *chan;
u8 *features, *chan_ann;
u8 *features;
secp256k1_ecdsa_signature ignoresig;
struct bitcoin_blkid chain_hash;
if (!fromwire_gossip_store_private_channel(tmpctx, msg,
&sat, &chan_ann))
return false;
if (!fromwire_channel_announcement(tmpctx, chan_ann,
&ignoresig,
&ignoresig,
@ -1851,21 +1846,46 @@ bool routing_add_private_channel(struct routing_state *rstate,
&ignorekey))
return false;
/* Can happen on channeld restart. */
if (get_channel(rstate, &scid)) {
status_peer_debug(peer ? &peer->id : NULL,
"Attempted to local_add_channel a known channel");
/* Happens on channeld restart. */
if (get_channel(rstate, &scid))
return true;
/* Make sure this id (if any) was allowed to create this */
if (id) {
struct node_id expected[2];
int cmp = node_id_cmp(&rstate->local_id, id);
if (cmp < 0) {
expected[0] = rstate->local_id;
expected[1] = *id;
} else if (cmp > 0) {
expected[0] = *id;
expected[1] = rstate->local_id;
} else {
/* lightningd sets id, so this is fatal */
status_failed(STATUS_FAIL_MASTER_IO,
"private_channel peer was us?");
}
status_peer_debug(peer ? &peer->id : NULL,
"local_add_channel %s",
type_to_string(tmpctx, struct short_channel_id, &scid));
if (!node_id_eq(&node_id[0], &expected[0])
|| !node_id_eq(&node_id[1], &expected[1])) {
status_peer_broken(id, "private channel %s<->%s invalid",
type_to_string(tmpctx, struct node_id,
&node_id[0]),
type_to_string(tmpctx, struct node_id,
&node_id[1]));
return false;
}
}
/* Create new (unannounced) channel */
chan = new_chan(rstate, &scid, &node_id[0], &node_id[1], sat);
if (!index)
chan = new_chan(rstate, &scid, &node_id[0], &node_id[1], capacity);
if (!index) {
u8 *msg = towire_gossip_store_private_channel(tmpctx,
capacity,
chan_ann);
index = gossip_store_add(rstate->gs, msg, 0, false, NULL);
}
chan->bcast.index = index;
return true;
}

5
gossipd/routing.h
View file

@ -378,8 +378,9 @@ bool routing_add_node_announcement(struct routing_state *rstate,
* `announce_depth`.
*/
bool routing_add_private_channel(struct routing_state *rstate,
const struct peer *peer,
const u8 *msg, u64 index);
const struct node_id *id,
struct amount_sat sat,
const u8 *chan_ann, u64 index);
/**
* Get the local time.

4
gossipd/test/run-check_channel_announcement.c
View file

@ -144,6 +144,10 @@ void *notleak_(void *ptr UNNEEDED, bool plus_children UNNEEDED)
/* Generated stub for peer_supplied_good_gossip */
void peer_supplied_good_gossip(struct peer *peer UNNEEDED, size_t amount UNNEEDED)
{ fprintf(stderr, "peer_supplied_good_gossip called!\n"); abort(); }
/* Generated stub for status_failed */
void status_failed(enum status_failreason code UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "status_failed called!\n"); abort(); }
/* Generated stub for status_fmt */
void status_fmt(enum log_level level UNNEEDED,
const struct node_id *peer UNNEEDED,

2
gossipd/test/run-check_node_announcement.c
View file

@ -37,7 +37,7 @@ struct peer *find_peer(struct daemon *daemon UNNEEDED, const struct node_id *id
char *fmt_wireaddr_without_port(const tal_t *ctx UNNEEDED, const struct wireaddr *a UNNEEDED)
{ fprintf(stderr, "fmt_wireaddr_without_port called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_channel_update */
bool fromwire_gossipd_local_channel_update(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, bool *disable UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
bool fromwire_gossipd_local_channel_update(const void *p UNNEEDED, struct node_id *id UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, bool *disable UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_channel_update called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_used_local_channel_update */
bool fromwire_gossipd_used_local_channel_update(const void *p UNNEEDED, struct short_channel_id *scid UNNEEDED)

2
gossipd/test/run-crc32_of_update.c
View file

@ -58,7 +58,7 @@ char *fmt_wireaddr_without_port(const tal_t *ctx UNNEEDED, const struct wireaddr
bool fromwire_gossipd_dev_set_max_scids_encode_size(const void *p UNNEEDED, u32 *max UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_dev_set_max_scids_encode_size called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_channel_update */
bool fromwire_gossipd_local_channel_update(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, bool *disable UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
bool fromwire_gossipd_local_channel_update(const void *p UNNEEDED, struct node_id *id UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, bool *disable UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_channel_update called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_used_local_channel_update */
bool fromwire_gossipd_used_local_channel_update(const void *p UNNEEDED, struct short_channel_id *scid UNNEEDED)

24
gossipd/test/run-onion_message.c
View file

@ -92,11 +92,14 @@ bool fromwire_gossipd_get_txout_reply(const tal_t *ctx UNNEEDED, const void *p U
bool fromwire_gossipd_init(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, const struct chainparams **chainparams UNNEEDED, struct feature_set **our_features UNNEEDED, struct node_id *id UNNEEDED, u8 rgb[3] UNNEEDED, u8 alias[32] UNNEEDED, struct wireaddr **announcable UNNEEDED, u32 **dev_gossip_time UNNEEDED, bool *dev_fast_gossip UNNEEDED, bool *dev_fast_gossip_prune UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_init called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_channel_announcement */
bool fromwire_gossipd_local_channel_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **cannount UNNEEDED)
bool fromwire_gossipd_local_channel_announcement(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct node_id *id UNNEEDED, u8 **cannounce UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_channel_announcement called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_channel_close */
bool fromwire_gossipd_local_channel_close(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_channel_close called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_private_channel */
bool fromwire_gossipd_local_private_channel(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct node_id *id UNNEEDED, struct amount_sat *capacity UNNEEDED, struct short_channel_id *scid UNNEEDED, u8 **features UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_private_channel called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_new_blockheight */
bool fromwire_gossipd_new_blockheight(const void *p UNNEEDED, u32 *blockheight UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_new_blockheight called!\n"); abort(); }
@ -133,9 +136,6 @@ u32 gossip_store_load(struct routing_state *rstate UNNEEDED, struct gossip_store
/* Generated stub for gossip_time_now */
struct timeabs gossip_time_now(const struct routing_state *rstate UNNEEDED)
{ fprintf(stderr, "gossip_time_now called!\n"); abort(); }
/* Generated stub for gossipd_peerd_wire_name */
const char *gossipd_peerd_wire_name(int e UNNEEDED)
{ fprintf(stderr, "gossipd_peerd_wire_name called!\n"); abort(); }
/* Generated stub for handle_channel_announcement */
u8 *handle_channel_announcement(struct routing_state *rstate UNNEEDED,
const u8 *announce TAKES UNNEEDED,
@ -150,9 +150,7 @@ u8 *handle_channel_update(struct routing_state *rstate UNNEEDED, const u8 *updat
bool force UNNEEDED)
{ fprintf(stderr, "handle_channel_update called!\n"); abort(); }
/* Generated stub for handle_local_channel_update */
bool handle_local_channel_update(struct daemon *daemon UNNEEDED,
const struct node_id *src UNNEEDED,
const u8 *msg UNNEEDED)
void handle_local_channel_update(struct daemon *daemon UNNEEDED, const u8 *msg UNNEEDED)
{ fprintf(stderr, "handle_local_channel_update called!\n"); abort(); }
/* Generated stub for handle_node_announcement */
u8 *handle_node_announcement(struct routing_state *rstate UNNEEDED, const u8 *node UNNEEDED,
@ -247,6 +245,13 @@ struct chan *next_chan(const struct node *node UNNEEDED, struct chan_map_iter *i
/* Generated stub for notleak_ */
void *notleak_(void *ptr UNNEEDED, bool plus_children UNNEEDED)
{ fprintf(stderr, "notleak_ called!\n"); abort(); }
/* Generated stub for private_channel_announcement */
const u8 *private_channel_announcement(const tal_t *ctx UNNEEDED,
const struct short_channel_id *scid UNNEEDED,
const struct node_id *local_node_id UNNEEDED,
const struct node_id *remote_node_id UNNEEDED,
const u8 *features UNNEEDED)
{ fprintf(stderr, "private_channel_announcement called!\n"); abort(); }
/* Generated stub for query_unknown_channel */
void query_unknown_channel(struct daemon *daemon UNNEEDED,
struct peer *peer UNNEEDED,
@ -273,8 +278,9 @@ void route_prune(struct routing_state *rstate UNNEEDED)
{ fprintf(stderr, "route_prune called!\n"); abort(); }
/* Generated stub for routing_add_private_channel */
bool routing_add_private_channel(struct routing_state *rstate UNNEEDED,
const struct peer *peer UNNEEDED,
const u8 *msg UNNEEDED, u64 index UNNEEDED)
const struct node_id *id UNNEEDED,
struct amount_sat sat UNNEEDED,
const u8 *chan_ann UNNEEDED, u64 index UNNEEDED)
{ fprintf(stderr, "routing_add_private_channel called!\n"); abort(); }
/* Generated stub for sanitize_error */
char *sanitize_error(const tal_t *ctx UNNEEDED, const u8 *errmsg UNNEEDED,

4
gossipd/test/run-txout_failure.c
View file

@ -109,6 +109,10 @@ void peer_supplied_good_gossip(struct peer *peer UNNEEDED, size_t amount UNNEEDE
char *sanitize_error(const tal_t *ctx UNNEEDED, const u8 *errmsg UNNEEDED,
struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "sanitize_error called!\n"); abort(); }
/* Generated stub for status_failed */
void status_failed(enum status_failreason code UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "status_failed called!\n"); abort(); }
/* Generated stub for status_fmt */
void status_fmt(enum log_level level UNNEEDED,
const struct node_id *peer UNNEEDED,

27
lightningd/channel_control.c
View file

@ -17,6 +17,7 @@
#include <lightningd/closing_control.h>
#include <lightningd/coin_mvts.h>
#include <lightningd/dual_open_control.h>
#include <lightningd/gossip_control.h>
#include <lightningd/hsm_control.h>
#include <lightningd/notification.h>
#include <lightningd/peer_control.h>
@ -412,6 +413,23 @@ static void handle_error_channel(struct channel *channel,
forget(channel);
}
static void handle_local_private_channel(struct channel *channel, const u8 *msg)
{
struct amount_sat capacity;
u8 *features;
if (!fromwire_channeld_local_private_channel(msg, msg, &capacity,
&features)) {
channel_internal_error(channel,
"bad channeld_local_private_channel %s",
tal_hex(channel, msg));
return;
}
tell_gossipd_local_private_channel(channel->peer->ld, channel,
capacity, features);
}
static void forget_channel(struct channel *channel, const char *why)
{
channel->error = towire_errorfmt(channel, &channel->cid, "%s", why);
@ -508,6 +526,15 @@ static unsigned channel_msg(struct subd *sd, const u8 *msg, const int *fds)
/* This tells gossipd we used it. */
get_channel_update(sd->channel);
break;
case WIRE_CHANNELD_LOCAL_CHANNEL_UPDATE:
tell_gossipd_local_channel_update(sd->ld, sd->channel, msg);
break;
case WIRE_CHANNELD_LOCAL_CHANNEL_ANNOUNCEMENT:
tell_gossipd_local_channel_announce(sd->ld, sd->channel, msg);
break;
case WIRE_CHANNELD_LOCAL_PRIVATE_CHANNEL:
handle_local_private_channel(sd->channel, msg);
break;
#if EXPERIMENTAL_FEATURES
case WIRE_CHANNELD_UPGRADED:
handle_channel_upgrade(sd->channel, msg);

83
lightningd/gossip_control.c
View file

@ -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,

13
lightningd/gossip_control.h
View file

@ -5,6 +5,7 @@
#include <ccan/short_types/short_types.h>
#include <stdbool.h>
struct channel;
struct lightningd;
void gossip_init(struct lightningd *ld, int connectd_fd);
@ -14,4 +15,16 @@ void gossipd_notify_spend(struct lightningd *ld,
void gossip_notify_new_block(struct lightningd *ld, u32 blockheight);
/* channeld tells us stuff, we tell gossipd. */
void tell_gossipd_local_channel_update(struct lightningd *ld,
struct channel *channel,
const u8 *msg);
void tell_gossipd_local_channel_announce(struct lightningd *ld,
struct channel *channel,
const u8 *msg);
void tell_gossipd_local_private_channel(struct lightningd *ld,
struct channel *channel,
struct amount_sat capacity,
const u8 *features);
#endif /* LIGHTNING_LIGHTNINGD_GOSSIP_CONTROL_H */