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Dastan 0bcebac4fc Expose collection attributes from Inspect trait (#1914 )

# Description

- What does this PR do?

While working with `pallet_nfts` through `nonfungibles_v2` traits
`Inspect, Mutate`, I found out that once you have set the collection
attribute with `<Nfts as Mutate>::set_collection_attribute()`, it's not
possible to read it with `<Nfts as Inspect>::collection_attribute()`
since they use different `namespace` values. When setting the attribute,
`AttributeNamespace::Pallet` is used, while
`AttributeNamespace::CollectionOwner` is used when reading.

more context:
https://github.com/freeverseio/laos/issues/7#issuecomment-1766137370

This PR makes `item` an optional parameter in
`Inspect::system_attribute()`, to be able to read collection attributes.

- Why are these changes needed?

To be able to read collection level attributes when reading attributes
of the collection. It will be possible to read collection attributes by
passing `None` for `item`

- How were these changes implemented and what do they affect?

`NftsApi` is also affected and `NftsApi::system_attribute()` now accepts
optional `item` parameter.

## Breaking change

Because of the change in the `NftsApi::system_attribute()` method's
`item` param, parachains who integrated the `NftsApi` need to update
their API code and frontend integrations accordingly. AssetHubs are
unaffected since the NftsApi wasn't released on those parachains yet.

2023-10-26 09:52:12 +00:00

chain-specs

[testnet] AssetHubRococo nits (#1954 )

2023-10-20 15:47:19 +02:00

common

Improve features dev-ex (#1831 )

2023-10-24 17:59:38 +02:00

integration-tests

[testnet] Align testnet system parachain runtimes using RelayTreasuryLocation and SystemParachains in the same way (#2023 )

2023-10-25 17:35:15 +02:00

pallets

xcm: Change TypeInfo::path to not include staging (#1948 )

2023-10-20 11:21:19 +02:00

runtimes

Expose collection attributes from Inspect trait (#1914 )

2023-10-26 09:52:12 +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.