Trait orml_traits::currency::BasicCurrencyExtended

pub trait BasicCurrencyExtended<AccountId>: BasicCurrency<AccountId> {
    type Amount: Signed + TryInto<Self::Balance> + TryFrom<Self::Balance> + SimpleArithmetic + Codec + Copy + MaybeSerializeDeserialize + Debug + Default;
    fn update_balance(
        who: &AccountId, 
        by_amount: Self::Amount
    ) -> DispatchResult;
}

Extended BasicCurrency with additional helper types and methods.

Associated Types

type Amount: Signed + TryInto<Self::Balance> + TryFrom<Self::Balance> + SimpleArithmetic + Codec + Copy + MaybeSerializeDeserialize + Debug + Default

The signed type for balance related operations, typically signed int.

Required methods

fn update_balance(who: &AccountId, by_amount: Self::Amount) -> DispatchResult

Add or remove abs(by_amount) from the balance of who. If positive by_amount, do add, else do remove.

Implementors