From d05a8fb5795db4045c2cc467a598c844057d6173 Mon Sep 17 00:00:00 2001
From: Sik Yoon <younxxxx@gmail.com>
Date: Tue, 15 Aug 2023 14:07:37 +0900
Subject: [PATCH] Change calculation way of set_unit_usdt()

---
 src/coex/assets_managing_team.rs | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/coex/assets_managing_team.rs b/src/coex/assets_managing_team.rs
index 9f32588..c27efff 100644
--- a/src/coex/assets_managing_team.rs
+++ b/src/coex/assets_managing_team.rs
@@ -36,25 +36,21 @@ pub async fn set_unit_usdt() {
     let mut set_unit_trade_usdt = Decimal::new(0, 8);
 
     // define protect_rate and unit_trade_usdt as high as total_usdt_amount
-    if dec!(0.0) <= asset_info.current_total_usdt && asset_info.current_total_usdt < dec!(500.0) {
+    if dec!(0.0) <= asset_info.current_total_usdt && asset_info.current_total_usdt < dec!(1000.0) {
         set_unit_trade_usdt = dec!(100.0); // $100 for each trade
                                            // set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.8));  // 80% of total usdt
-    } else if dec!(500.0) <= asset_info.current_total_usdt
-        && asset_info.current_total_usdt < dec!(2000.0)
+    } else if dec!(1000.0) <= asset_info.current_total_usdt
     {
         // set_unit_trade_usdt = dec!(150.0); // $150 for each trade
         set_unit_trade_usdt = decimal_mul(asset_info.current_total_usdt, dec!(0.1));
-    // 10% of total usdt
-    } else if dec!(2000.0) <= asset_info.current_total_usdt
-        && asset_info.current_total_usdt < dec!(5000.0)
-    {
-        set_unit_trade_usdt = dec!(200.0); // $200 for each trade
-    } else if dec!(5000.0) <= asset_info.current_total_usdt
-        && asset_info.current_total_usdt < dec!(10000.0)
-    {
-        set_unit_trade_usdt = dec!(300.0); // $300 for each trade
-    } else {
-        set_unit_trade_usdt = dec!(500.0); // $500 for each trade
+        let truncated = decimal_mul(decimal_mul(set_unit_trade_usdt, dec!(0.1)).trunc(), dec!(10));
+        let difference = decimal_sub(set_unit_trade_usdt, truncated);
+
+        if difference >= dec!(5) {
+            set_unit_trade_usdt = decimal_add(truncated, dec!(5));
+        } else {
+            set_unit_trade_usdt = truncated;
+        }
     }
 
     // update fields in [asset_manage_announcement] table