Trait BalanceHolder 

pub trait BalanceHolder {
    // Required methods
    fn balance(&self) -> Result<Amount, ArithmeticError>;
    fn try_add_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>;
    fn try_sub_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>;
}

How to access the balance of an account.

Required Methods

fn balance(&self) -> Result<Amount, ArithmeticError>

Returns the balance of the account.

fn try_add_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>

Adds the given amount to the balance.

fn try_sub_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>

Subtracts the given amount from the balance.

Implementations on Foreign Types

impl BalanceHolder for Amount

fn balance(&self) -> Result<Amount, ArithmeticError>

fn try_add_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>

fn try_sub_assign(&mut self, other: Amount) -> Result<(), ArithmeticError>

Implementors