Function fail

tests/plugins/channeld_fakenet.c:363–428

}

static void fail(struct info *info,
		 struct fake_htlc *htlc STEALS,
		 const struct onion_payload *payload,
		 enum onion_wire failcode)
{
	struct failed_htlc *failed;
	const struct failed_htlc **failed_arr;
	u8 *msg;
	struct changed_htlc *changed;
	enum channel_remove_err err;

	msg = tal_arr(tmpctx, u8, 0);
	towire_u16(&msg, failcode);

	status_debug("Failing payment at %s due to %s",
		     fmt_node_id(tmpctx, &current_node->id),
		     onion_wire_name(failcode));

	err = channel_fail_htlc(info->channel,
				LOCAL,
				htlc->htlc_id,
				NULL);
	assert(err == CHANNEL_ERR_REMOVE_OK);

	failed_arr = tal_arr(tmpctx, const struct failed_htlc *, 1);
	failed_arr[0] = failed = tal(failed_arr, struct failed_htlc);
	failed->id = htlc->htlc_id;
	failed->sha256_of_onion = NULL;
	failed->onion = create_onionreply(failed, &htlc->secrets[tal_count(htlc->secrets) - 1], msg);

	/* We create backwards, using shared secrets to wrap */
	for (int i = tal_count(htlc->secrets) - 1; i >= 0; i--)
		failed->onion = wrap_onionreply(failed, &htlc->secrets[i], failed->onion);

	msg = towire_channeld_got_commitsig(NULL,
					    info->commit_num,
					    info->fee_states,
					    info->blockheight_states,
					    &info->fakesig,
					    NULL,
					    NULL,
					    NULL,
					    failed_arr,
					    NULL,
					    info->commit_tx,
					    NULL);
	daemon_conn_send(info->dc, take(msg));

	changed = tal_arr(tmpctx, struct changed_htlc, 1);
	changed->id = htlc->htlc_id;
	changed->newstate = SENT_REMOVE_ACK_COMMIT;

	/* Tell it we committed, too */
	msg = towire_channeld_sending_commitsig(NULL,
						info->commit_num,
						NULL,
						info->fee_states,
						info->blockheight_states,