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>

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

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

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