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Move LockableCurrency trait to fungibles::Lockable and deprecate LockableCurrency (#12798)

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* WIP move LockableCurrency to fungibles

* rename Lockable and LockIdentifier to funginbles::*

* fix imports further

* change Lockable from fungible to fungibles

* reintroduce LockableCurrency but marked as deprecated

* fix imports

* fix imports

* cargo fmt

* add allow deprecated warnings

* remove unused benchmark import

* fix some of the docs

* fix failing doctest check

* reexport LockIdentifier and LockableCurrency from support/traits

* reexport LockIdentifier and LockableCurrency from support/traits

* allow using deprecated re-export

* replace LockableCurrency and LockIdentifier with a module alias

* Update frame/support/src/traits/tokens/fungibles/lockable.rs

* Update frame/staking/src/pallet/mod.rs

Co-authored-by: Squirrel <gilescope@gmail.com>

* Update frame/support/src/traits.rs

Co-authored-by: Squirrel <gilescope@gmail.com>

* REVERT removing fungibles::Lockable import

Co-authored-by: parity-processbot <>
Co-authored-by: Squirrel <gilescope@gmail.com>
This commit is contained in:
Anthony Alaribe
2022-12-08 14:47:13 +02:00
committed by GitHub
parent 39cb3b06cd
commit 9a014d1ecd
20 changed files with 135 additions and 105 deletions
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substrate/frame/balances/README.md
+4 -4
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@@ -57,7 +57,7 @@ that you need, then you can avoid coupling with the Balances module.
fungible assets system.
- [`ReservableCurrency`](https://docs.rs/frame-support/latest/frame_support/traits/trait.ReservableCurrency.html):
Functions for dealing with assets that can be reserved from an account.
- [`LockableCurrency`](https://docs.rs/frame-support/latest/frame_support/traits/trait.LockableCurrency.html): Functions for
- [`Lockable`](https://docs.rs/frame-support/latest/frame_support/traits/fungibles/trait.Lockable.html): Functions for
dealing with accounts that allow liquidity restrictions.
- [`Imbalance`](https://docs.rs/frame-support/latest/frame_support/traits/trait.Imbalance.html): Functions for handling
imbalances between total issuance in the system and account balances. Must be used when a function
@@ -88,13 +88,13 @@ pub type NegativeImbalanceOf<T> = <<T as Config>::Currency as Currency<<T as fra
```
The Staking module uses the `LockableCurrency` trait to lock a stash account's funds:
The Staking module uses the `fungibles::Lockable` trait to lock a stash account's funds:
```rust
use frame_support::traits::{WithdrawReasons, LockableCurrency};
use frame_support::traits::{WithdrawReasons, fungibles};
use sp_runtime::traits::Bounded;
pub trait Config: frame_system::Config {
type Currency: LockableCurrency<Self::AccountId, Moment=Self::BlockNumber>;
type Currency: fungibles::Lockable<Self::AccountId, Moment=Self::BlockNumber>;
}
fn update_ledger<T: Config>(