<p>We propose to make use of the new auto-renew feature on the coretime systemchain. This will send an XCM call to coretime and transact a <code>broker.enableAutoRenew</code> call for our current core 16 and our paraid 2015</p>
<p>The <a href="https://integritee.polkassembly.io/motion/65">last attempt </a>had errors not only in the transact call at its destination but also an outdated XCM version on our chain and a missing HRMP channel to coretime. This new batch call cleans it all up and has been tested with chopsticks:</p>
<ol>
<li>set default XCM version to V3</li>
<li>open HRMP channel to coretime</li>
<li>send a noop XCM (only to help debugging)</li>
<li>transact on coretime to enable auto-renew</li>
</ol>

We propose to make use of the new auto-renew feature on the coretime systemchain. This will send an XCM call to coretime and transact a `broker.enableAutoRenew` call for our current core 16 and our paraid 2015

The [last attempt](https://integritee.polkassembly.io/motion/65) had errors not only in the transact call at its destination but also an outdated XCM version on our chain and a missing HRMP channel to coretime. This new batch call cleans it all up and has been tested with chopsticks:

1.  set default XCM version to V3
2.  open HRMP channel to coretime
3.  send a noop XCM (only to help debugging)
4.  transact on coretime to enable auto-renew

Send a batch of dispatch calls.

May be called from any origin except `None`.

- `calls`: The calls to be dispatched from the same origin. The number of call must not
  exceed the constant: `batched_calls_limit` (available in constant metadata).

If origin is root then the calls are dispatched without checking origin filter. (This
includes bypassing `frame_system::Config::BaseCallFilter`).

## Complexity
- O(C) where C is the number of calls to be batched.

This will return `Ok` in all circumstances. To determine the success of the batch, an
event is deposited. If a call failed and the batch was interrupted, then the
`BatchInterrupted` event is deposited, along with the number of successful calls made
and the error of the failed call. If all were successful, then the `BatchCompleted`
event is deposited.

- **Problem Statement:** Implementing the auto-renew feature on the coretime systemchain for core 16 and paraid 2015.
- **Significance:** Resolving errors from previous attempts and updating XCM version and HRMP channel for smoother transactions.
- **Proposed Solution:** Utilize a new batch call to set XCM version to V3, establish HRMP channel to coretime, send a noop XCM, and transact on coretime to enable auto-renew.
- **Expected Outcomes:** Improved functionality, error resolution, and streamlined auto-renew process on the coretime systemchain.

#54 Enable Coretime Auto-Renew (2nd attempt)

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