Function channel_fail_permanent

lightningd/channel.c:790–828

}

void channel_fail_permanent(struct channel *channel,
			    enum state_change reason,
			    const char *fmt,
			    ...)
{
	/* Don't do anything if it's an stub channel because
	 * peer has already closed it unilatelrally. */
	if (is_stub_scid(channel->scid))
		return;

	struct lightningd *ld = channel->peer->ld;
	va_list ap;
	char *why;

	va_start(ap, fmt);
	why = tal_vfmt(tmpctx, fmt, ap);
	va_end(ap);

	log_unusual(channel->log, "Peer permanent failure in %s: %s",
		    channel_state_name(channel), why);

	/* We can have multiple errors, eg. onchaind failures. */
	if (!channel->error)
		channel->error = towire_errorfmt(channel,
						 &channel->cid, "%s", why);

	channel_set_owner(channel, NULL);
	/* Drop non-cooperatively (unilateral) to chain. */
	drop_to_chain(ld, channel, false);

	if (channel_active(channel))
		channel_set_state(channel,
				  channel->state,
				  AWAITING_UNILATERAL,
				  reason,
				  why);

	tal_free(why);
}

void channel_fail_forget(struct channel *channel, const char *fmt, ...)
{