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T

Muharem 5ce04514eb pallet-asset-conversion: Swap Credit (#1677 )

Introduces a swap implementation that allows the exchange of a credit
(aka Negative Imbalance) of one asset for a credit of another asset.

This is particularly useful when a credit swap is required but may not
have sufficient value to meet the ED constraint, hence cannot be
deposited to temp account before. An example use case is when XCM fees
are paid using an asset held in the XCM executor registry and has to be
swapped for native currency.

Additional Updates:
- encapsulates the existing `Swap` trait impl within a transactional
context, since partial storage mutation is possible when an error
occurs;
- supplied `Currency` and `Assets` impls must be implemented over the
same `Balance` type, the `AssetBalance` generic type is dropped. This
helps to avoid numerous type conversion and overflow cases. If those
types are different it should be handled outside of the pallet;
- `Box` asset kind on a pallet level, unbox on a runtime level - here
[why](https://substrate.stackexchange.com/questions/10039/boxed-argument-of-a-dispatchable/10103#10103);
- `path` uses `Vec` now, instead of `BoundedVec` since it is never used
in PoV;
- removes the `Transfer` event due to it's redundancy with the events
emitted by `fungible/s` implementations;
- modifies the `SwapExecuted` event type;

related issue: 
- https://github.com/paritytech/polkadot-sdk/issues/105

related PRs:
- (required for) https://github.com/paritytech/polkadot-sdk/pull/1845
- (caused) https://github.com/paritytech/polkadot-sdk/pull/1717

// DONE make the pallet work only with `fungibles` trait and make it
free from the concept of a `native` asset -
https://github.com/paritytech/polkadot-sdk/issues/1842

---------

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

2023-12-19 18:31:18 +02:00

chain-specs

Rococo/Westend Coretime Runtime

2023-12-19 16:12:24 +02:00

common

Set clippy lints in workspace (requires rust 1.74) (#2390 )

2023-12-13 15:11:07 +01:00

integration-tests/emulated

pallet-asset-conversion: Swap Credit (#1677 )

2023-12-19 18:31:18 +02:00

pallets

Set clippy lints in workspace (requires rust 1.74) (#2390 )

2023-12-13 15:11:07 +01:00

runtimes

pallet-asset-conversion: Swap Credit (#1677 )

2023-12-19 18:31:18 +02:00

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.