Function routehint_pre_getroute

plugins/libplugin-pay.c:2942–2976

Change the destination and compute the final msatoshi amount to send to the * routehint entry point. */

/* Change the destination and compute the final msatoshi amount to send to the
 * routehint entry point. */
static void routehint_pre_getroute(struct routehints_data *d, struct payment *p)
{
	bool have_more;
	d->current_routehint = next_routehint(d, p);

	/* Signal that we could retry with another routehint even if getroute
	 * fails. */
	have_more = (d->offset < tal_count(d->routehints) - 1);
	p->failroute_retry = have_more;

	p->temp_exclusion = tal_free(p->temp_exclusion);

	if (d->current_routehint != NULL) {
		if (!route_msatoshi(&p->getroute->amount, p->our_amount,
				    d->current_routehint,
				    tal_count(d->current_routehint))) {
		}
		d->final_cltv = p->getroute->cltv;
		p->getroute->destination = &d->current_routehint[0].pubkey;
		p->getroute->cltv =
		    route_cltv(p->getroute->cltv, d->current_routehint,
			       tal_count(d->current_routehint));
		paymod_log(
		    p, LOG_DBG, "Using routehint %s (%s) cltv_delta=%d",
		    fmt_node_id(tmpctx, &d->current_routehint->pubkey),
		    fmt_short_channel_id(tmpctx,
					 d->current_routehint->short_channel_id),
		    d->current_routehint->cltv_expiry_delta);

		/* Exclude the entrypoint to the routehint, so we don't end up
		 * going through the destination to the entrypoint. */
		p->temp_exclusion = routehint_generate_exclusion_list(p, d->current_routehint, p);
	} else
		paymod_log(p, LOG_DBG, "Not using a routehint");
}

static struct command_result *routehint_check_reachable(struct payment *p)
{