Function channel_hints_update

plugins/libplugin-pay.c:416–457

}

static void channel_hints_update(struct payment *p,
				 const struct short_channel_id scid,
				 int direction, bool enabled, bool local,
				 const struct amount_msat *estimated_capacity,
				 const struct amount_msat overall_capacity,
				 u16 *htlc_budget)
{
	struct payment *root = payment_root(p);
	struct short_channel_id_dir *scidd =
	    tal(tmpctx, struct short_channel_id_dir);
	struct channel_hint *hint;
	scidd->scid = scid;
	scidd->dir = direction;

	/* Local channels must have an HTLC budget */
	assert(!local || htlc_budget != NULL);

	channel_hint_set_add(root->hints, clock_time().ts.tv_sec, scidd, enabled,
			     estimated_capacity, overall_capacity, htlc_budget);

	hint = channel_hint_set_find(root->hints, scidd);

	if (local) {
		hint->local = tal_free(hint->local);
		hint->local = tal(root->hints, struct local_hint);
		hint->local->htlc_budget = *htlc_budget;
	}

	/* If the channel is marked as enabled it must have an estimate. */
	assert(!enabled || estimated_capacity != NULL);

	if (hint != NULL) {
		paymod_log(p, LOG_DBG,
			   "Updated a channel hint for %s: "
			   "enabled %s, "
			   "estimated capacity %s",
			   fmt_short_channel_id_dir(tmpctx, &hint->scid),
			   hint->enabled ? "true" : "false",
			   hint->enabled ? fmt_amount_msat(tmpctx, hint->estimated_capacity) : "UNKNOWN");
		channel_hint_notify(p->plugin, hint);
	}
}

static struct amount_msat payment_route_fee(struct payment *p)
{