use std::io;
use std::ops::Add;
use rust_decimal::prelude::ToPrimitive;
use time::OffsetDateTime;

#[derive(Debug)]
struct OrderInfo {
    id: String,
    sell_price: f64,
    time_num: i64
}

fn add_aa(x: &mut i64) -> Result<i64, io::Error>{
    let mut i:i64 = OffsetDateTime::now_utc().unix_timestamp();

    if i < 0{
        println!("1231");
        *x = i;
        Ok(0)
    } else {
        Err(io::Error::new(io::ErrorKind::Other, "错了"))
    }
}

#[tokio::test]
async fn test(){
    // let mut now_time = OffsetDateTime::now_utc().unix_timestamp();
    // let mut last_time = now_time;
    // while true {
    //     if(now_time < last_time + 5){
    //         now_time = OffsetDateTime::now_utc().unix_timestamp();
    //     }else{
    //         last_time = now_time+5;
    //         println!("30s 后：{}", now_time);
    //         return;
    //     }
    // }
    let mut x: i64 = 64;
    let f = match add_aa(&mut x) {
        Ok(m) => m,
        Err(error) => {
            1
        },
    };

    println!("f: {}", f);
}