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pay: Disable channels that are not in normal state

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Since we have the exact state of the channels from the `listpeers`
response we can filter out the ones that are not yet normal or not
anymore. This is more of a safety net, given that the `gossip_store`
should contain local disables, but better not be racy :-)

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This commit is contained in:
Christian Decker 2021-12-12 14:27:00 +01:00 • committed by Rusty Russell
parent 1ac5a1b7e2
commit a98ccac777
1 changed files with 8 additions and 2 deletions
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10
plugins/libplugin-pay.c
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@ -2310,7 +2310,7 @@ local_channel_hints_listpeers(struct command *cmd, const char *buffer,
const jsmntok_t *toks, struct payment *p)
{
const jsmntok_t *peers, *peer, *channels, *channel, *spendsats, *scid,
*dir, *connected, *max_htlc, *htlcs;
*dir, *connected, *max_htlc, *htlcs, *state;
size_t i, j;
peers = json_get_member(buffer, toks, "peers");
@ -2331,13 +2331,19 @@ local_channel_hints_listpeers(struct command *cmd, const char *buffer,
dir = json_get_member(buffer, channel, "direction");
max_htlc = json_get_member(buffer, channel, "max_accepted_htlcs");
htlcs = json_get_member(buffer, channel, "htlcs");
state = json_get_member(buffer, channel, "state");
if (spendsats == NULL || scid == NULL || dir == NULL ||
max_htlc == NULL ||
max_htlc == NULL || state == NULL ||
max_htlc->type != JSMN_PRIMITIVE || htlcs == NULL ||
htlcs->type != JSMN_ARRAY)
continue;
/* Filter out local channels if they are
* either a) disconnected, or b) not in normal
* state. */
json_to_bool(buffer, connected, &h.enabled);
h.enabled &= json_tok_streq(buffer, state, "CHANNELD_NORMAL");
json_to_short_channel_id(buffer, scid, &h.scid.scid);
json_to_int(buffer, dir, &h.scid.dir);