pub trait CurrencyWithdraw<AccountId, Balance> {
fn withdraw(
who: &AccountId,
fee: Balance
) -> Result<PaymentWithdrawResult, DispatchError>;
}
pub trait CurrencyWithdraw<AccountId, Balance> {
fn withdraw(
who: &AccountId,
fee: Balance
) -> Result<PaymentWithdrawResult, DispatchError>;
}