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UnionOf types for merged fungible and fungibles implementations (#2033)

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Introduces `UnionOf` types, crafted to merge `fungible` and `fungibles`
implementations or two `fungibles` implementations into a single type
implementing `fungibles`.

This also addresses an issue where `ItemOf` initiates a double drop for
an imbalance type, leading to inaccurate total issuance accounting.

Find the application of these types in this PR -
[link](https://github.com/paritytech/polkadot-sdk/pull/2031), places in
code -
[1](https://github.com/paritytech/polkadot-sdk/blob/4ec7496fa2632385b08fae860fcf28a523a7b5de/cumulus/parachains/runtimes/assets/asset-hub-kusama/src/lib.rs#L327),
[2](https://github.com/paritytech/polkadot-sdk/blob/4ec7496fa2632385b08fae860fcf28a523a7b5de/cumulus/parachains/runtimes/assets/asset-hub-kusama/src/lib.rs#L343).

---------

Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: joepetrowski <joe@parity.io>
This commit is contained in:
Muharem
2023-12-19 13:51:05 +01:00
committed by GitHub
parent 81156d03ce
commit 0b74812ce8
15 changed files with 2353 additions and 37 deletions
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cumulus/parachains/runtimes/assets/common/src/local_and_foreign_assets.rs
+10 -2
View File
@@ -318,10 +318,18 @@ where
}
}
fn should_touch(asset_id: MultiLocation, who: &AccountId) -> bool {
if let Some(asset_id) = LocalAssetIdConverter::convert(&asset_id) {
Assets::should_touch(asset_id, who)
} else {
ForeignAssets::should_touch(asset_id, who)
}
}
fn touch(
asset_id: MultiLocation,
who: AccountId,
depositor: AccountId,
who: &AccountId,
depositor: &AccountId,
) -> Result<(), DispatchError> {
if let Some(asset_id) = LocalAssetIdConverter::convert(&asset_id) {
Assets::touch(asset_id, who, depositor)