[stable2503] Backport #7685 #7739
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closes #5742 Need to be backported to stable2503 release. With the migration of staking accounts to [fungible currency](#5501), we can now allow pool users to stake directly and vice versa. This update introduces a configurable filter mechanism to determine which accounts can join a nomination pool. ## Example Usage ### 1. Allow any account to join a pool To permit all accounts to join a nomination pool, use the `Nothing` filter: ```rust impl pallet_nomination_pools::Config for Runtime { ... type Filter = Nothing; } ``` ### 2. Restrict direct stakers from joining a pool To prevent direct stakers from joining a nomination pool, use `pallet_staking::AllStakers`: ```rust impl pallet_nomination_pools::Config for Runtime { ... type Filter = pallet_staking::AllStakers<Runtime>; } ``` ### 3. Define a custom filter For more granular control, you can define a custom filter: ```rust struct MyCustomFilter<T: Config>(core::marker::PhantomData<T>); impl<T: Config> Contains<T::AccountId> for MyCustomFilter<T> { fn contains(account: &T::AccountId) -> bool { todo!("Implement custom logic. Return `false` to allow the account to join a pool.") } } ``` --------- Co-authored-by: Bastian Köcher <info@kchr.de> (cherry picked from commit f7e98b4)
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Backport #7685 into
stable2503from Ank4n.See the documentation on how to use this bot.