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3f7c743d73
This PR changes the registration order of the `MessageQueue` pallet so that it is registered last. This is necessary so that the [on_initialize](https://github.com/Snowfork/snowbridge/blob/df8d5da82e517a65fb0858a4f2ead533290336b5/parachain/pallets/outbound-queue/src/lib.rs#L267) hooks for Snowbridge can run before `MessageQueue` delivers messages using its own `on_initialize`. Generally, I think this is preferable regardless of Snowbridge's particular requirements. Other pallets may want to do housekeeping before MessageQueue starts delivering messages. I'm hoping this PR, if accepted, can be included in the same release as https://github.com/paritytech/polkadot-sdk/pull/1246. As otherwise, changing the order of pallet registration is an ABI-breaking change.
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 dirruntimes.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.