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plugins/libplugin-pay.c: Show routes being tried, also print updates to channel hints not just initial creations.

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This commit is contained in:
ZmnSCPxj jxPCSnmZ
2020-08-25 09:37:25 +08:00
committed by Christian Decker
parent d89c77c0ce
commit d8678467fa
1 changed files with 35 additions and 3 deletions
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38
plugins/libplugin-pay.c
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@@ -259,16 +259,37 @@ static void channel_hints_update(struct payment *p,
struct channel_hint *hint = &root->channel_hints[i];
if (short_channel_id_eq(&hint->scid.scid, &scid) &&
hint->scid.dir == direction) {
bool modified = false;
/* Prefer to disable a channel. */
hint->enabled = hint->enabled & enabled;
if (!enabled && hint->enabled) {
hint->enabled = false;
modified = true;
}
/* Prefer the more conservative estimate. */
if (estimated_capacity != NULL &&
amount_msat_greater(hint->estimated_capacity,
*estimated_capacity))
*estimated_capacity)) {
hint->estimated_capacity = *estimated_capacity;
if (htlc_budget != NULL && *htlc_budget < hint->htlc_budget)
modified = true;
}
if (htlc_budget != NULL && *htlc_budget < hint->htlc_budget) {
hint->htlc_budget = *htlc_budget;
modified = true;
}
if (modified)
paymod_log(p, LOG_DBG,
"Updated a channel hint for %s: "
"enabled %s, "
"estimated capacity %s",
type_to_string(tmpctx,
struct short_channel_id_dir,
&hint->scid),
hint->enabled ? "true" : "false",
type_to_string(tmpctx,
struct amount_msat,
&hint->estimated_capacity));
return;
}
}
@@ -1246,6 +1267,8 @@ static void payment_compute_onion_payloads(struct payment *p)
struct createonion_request *cr;
size_t hopcount;
struct payment *root = payment_root(p);
char *routetxt = tal_strdup(tmpctx, "");
p->step = PAYMENT_STEP_ONION_PAYLOAD;
hopcount = tal_count(p->route);
@@ -1262,12 +1285,21 @@ static void payment_compute_onion_payloads(struct payment *p)
* i+1 */
payment_add_hop_onion_payload(p, &cr->hops[i], &p->route[i],
&p->route[i + 1], false, NULL);
tal_append_fmt(&routetxt, "%s -> ",
type_to_string(tmpctx, struct short_channel_id,
&p->route[i].channel_id));
}
/* Final hop */
payment_add_hop_onion_payload(
p, &cr->hops[hopcount - 1], &p->route[hopcount - 1],
&p->route[hopcount - 1], true, root->payment_secret);
tal_append_fmt(&routetxt, "%s",
type_to_string(tmpctx, struct short_channel_id,
&p->route[hopcount - 1].channel_id));
paymod_log(p, LOG_DBG,
"Created outgoing onion for route: %s", routetxt);
/* Now allow all the modifiers to mess with the payloads, before we
* serialize via a call to createonion in the next step. */