修复数量计算错误的问题。

strategy/src/utils.rs

@@ -2,7 +2,7 @@ use std::ops::{Div, Mul};
 use chrono::Utc;
 use rand::Rng;
 use rust_decimal::Decimal;
-use tracing::error;
+use tracing::{error};
 use global::public_params;
 
 // 生成订单的id，可以根据交易所名字来
@@ -48,7 +48,7 @@ pub fn get_amount_by_min_amount_value(min_amount_value: Decimal,
                                       order_price: Decimal,
                                       step_size: Decimal) -> Decimal {
     // ceil可以向上取整
-    let amount_unit = (min_amount_value / order_price).ceil();
+    let amount_unit = ((min_amount_value / order_price) / step_size).ceil();
 
     amount_unit * step_size
 }