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Tsvetomir Dimitrov 90234543f3 Migrate parachain swaps to Coretime (#3714 )

This PR notifies broker pallet for any parachain slot swaps performed on
the relay chain. This is achieved by registering an `OnSwap` for the the
`coretime` pallet. The hook sends XCM message to the broker chain and
invokes a new extrinsic `swap_leases` which updates `Leases` storage
item (which keeps the legacy parachain leases).

I made two assumptions in this PR:
1.
[`Leases`](https://github.com/paritytech/polkadot-sdk/blob/4987d7982461e2e5ffe219cdf71ec697284cea7c/substrate/frame/broker/src/lib.rs#L120)
in `broker` pallet and
[`Leases`](https://github.com/paritytech/polkadot-sdk/blob/4987d7982461e2e5ffe219cdf71ec697284cea7c/polkadot/runtime/common/src/slots/mod.rs#L118)
in `slots` pallet are in sync.
2. `swap_leases` extrinsic from `broker` pallet can be triggered only by
root or by the XCM message from the relay chain. If not - the extrinsic
will generate an error and do nothing.

As a side effect from the changes `OnSwap` trait is moved from
runtime/common/traits.rs to runtime/parachains. Otherwise it is not
accessible from `broker` pallet.

Closes https://github.com/paritytech/polkadot-sdk/issues/3552

TODOs:

- [x] Weights
- [x] Tests

---------

Co-authored-by: command-bot <>
Co-authored-by: eskimor <eskimor@users.noreply.github.com>
Co-authored-by: Bastian Köcher <git@kchr.de>

2024-03-26 15:54:24 +00:00

chain-specs

Adding LF's bootnodes to relay and system chains (#3514 )

2024-03-22 00:07:24 +00:00

common

Removes as [disambiguation_path] from derive_impl usage (#3652 )

2024-03-15 07:46:09 +00:00

integration-tests/emulated

Fix spelling mistakes across the whole repository (#3808 )

2024-03-26 13:57:57 +00:00

pallets

[Bridges] Move chain definitions to separate folder (#3822 )

2024-03-25 12:11:30 +00:00

runtimes

Migrate parachain swaps to Coretime (#3714 )

2024-03-26 15:54:24 +00:00

README.md

Minor update to Readme - Statemint section (#2078 )

2023-01-11 15:25:23 +00:00

README.md

Parachains

This directory is the home of Parity-developed parachain runtimes. This directory is runtime focused, and does not include builds of parachain nodes.

The general internal structure is:

chain-specs: Chain specs for the runtimes contained in its sibling dir runtimes.
common: Common configurations, impls, etc. used by several parachain runtimes.
integration-tests: Integration tests to test parachain interactions via XCM.
pallets: FRAME pallets that are specific to parachains.
runtimes: The entry point for parachain runtimes.

System Parachains

The runtimes directory includes many, but is not limited to, system parachains. Likewise, not all system parachains are in this repo.

Releases

The project maintainers generally try to release a set of parachain runtimes for each Polkadot Relay Chain runtime release.