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Egor_P
f80cfc2259
This PR backports version bumps from release branch `release-polkadot-v1.6.0` back to `master` and also moved `prdoc` files related to the release to the appropriate folder
30 lines
2.5 KiB
Plaintext
30 lines
2.5 KiB
Plaintext
# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0
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# See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json
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title: "pallet-asset-conversion: Decoupling Native Currency Dependancy"
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doc:
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- audience: Runtime Dev
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description: |
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Decoupling Pallet from the Concept of Native Currency
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Currently, the pallet used to intrinsically linked with the concept of native currency, requiring users to provide implementations of the `fungible::*` and `fungibles::*` traits to interact with native and non native assets. This incapsulates some non-related to the pallet complexity and makes it less adaptable in contexts where the native currency concept is absent.
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With this PR, the dependence on `fungible::*` for liquidity-supplying assets has been removed. Instead, the native and non-native currencies' handling is now overseen by a single type that implements the `fungibles::*` traits. To simplify this integration, types have been introduced to facilitate the creation of a union between `fungible::*` and `fungibles::*` implementations, producing a unified `fungibles::*` type.
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One of the reasons driving these changes is the ambition to create a more user-friendly API for the `SwapCredit` implementation. Given that it interacts with two distinct credit types from `fungible` and `fungibles`, a unified type was introduced. Clients now manage potential conversion failures for those credit types. In certain contexts, it's vital to guarantee that operations are fail-safe, like in this impl - [PR](https://github.com/paritytech/polkadot-sdk/pull/1845), place in [code](https://github.com/paritytech/polkadot-sdk/blob/20b85a5fada8f55c98ba831964f5866ffeadf4da/cumulus/primitives/utility/src/lib.rs#L429).
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Additional Updates:
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- abstracted the pool ID and its account derivation logic via trait bounds, along with common implementation offerings;
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- removed `inc_providers` on a pool creation for the pool account;
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- benchmarks:
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-- swap complexity is N, not const;
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-- removed `From<u128> + Into<u128>` bound from `T::Balance`;
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-- removed swap/liquidity/.. amount constants, resolve them dynamically based on pallet configuration;
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-- migrated to v2 API;
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- `OnUnbalanced` handler for the pool creation fee, replacing direct transfers to a specified account ID;
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- renamed `MultiAssetId` to `AssetKind` aligning with naming across frame crates;
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crates:
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- name: pallet-asset-conversion
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