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pub use chrono::NaiveDate as Date;
pub use chrono::NaiveTime as Time;
pub use chrono::NaiveDateTime as DateTime;

pub use rust_decimal::Decimal as Decimal;
pub const DECIMAL_PRECISION: u32 = 28;

#[derive(Clone, Copy, PartialEq, Debug)]
pub enum TradeType {
    Buy,
    Sell,
}

macro_rules! date {
    ($day:expr, $month:expr, $year:expr) => (::chrono::NaiveDate::from_ymd($year, $month, $day))
}