From 02dab542c47d063a6b5e660162c2ca7ca4214921 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Wed, 14 Sep 2022 02:17:21 +0800
Subject: [PATCH] bbgo: add USDTTWD price test case

---
 pkg/bbgo/risk.go      |  3 +--
 pkg/bbgo/risk_test.go | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/pkg/bbgo/risk.go b/pkg/bbgo/risk.go
index abc49ebee..633ae42e2 100644
--- a/pkg/bbgo/risk.go
+++ b/pkg/bbgo/risk.go
@@ -140,8 +140,7 @@ func calculateNetValueInQuote(balances types.BalanceMap, prices types.PriceMap,
 		if price, ok := prices[symbol]; ok {
 			accountValue = accountValue.Add(b.Net().Mul(price))
 		} else if priceReverse, ok2 := prices[symbolReverse]; ok2 {
-			price2 := one.Div(priceReverse)
-			accountValue = accountValue.Add(b.Net().Mul(price2))
+			accountValue = accountValue.Add(b.Net().Div(priceReverse))
 		}
 	}
 
diff --git a/pkg/bbgo/risk_test.go b/pkg/bbgo/risk_test.go
index 1382b4adf..f33f5845d 100644
--- a/pkg/bbgo/risk_test.go
+++ b/pkg/bbgo/risk_test.go
@@ -256,6 +256,26 @@ func Test_calculateNetValueInQuote(t *testing.T) {
 			},
 			wantAccountValue: number(19000.0*0.01 + 100.0 + 80.0 + 70.0),
 		},
+		{
+			name: "reversed usdt price",
+			args: args{
+				balances: types.BalanceMap{
+					"USDC": types.Balance{Currency: "USDC", Available: number(70.0)},
+					"TWD":  types.Balance{Currency: "TWD", Available: number(3000.0)},
+					"USDT": types.Balance{Currency: "USDT", Available: number(100.0)},
+					"BUSD": types.Balance{Currency: "BUSD", Available: number(80.0)},
+					"BTC":  types.Balance{Currency: "BTC", Available: number(0.01)},
+				},
+				prices: types.PriceMap{
+					"USDTTWD":  number(30.0),
+					"USDCUSDT": number(1.0),
+					"BUSDUSDT": number(1.0),
+					"BTCUSDT":  number(19000.0),
+				},
+				quoteCurrency: "USDT",
+			},
+			wantAccountValue: number(19000.0*0.01 + 100.0 + 80.0 + 70.0 + (3000.0 / 30.0)),
+		},
 		{
 			name: "borrow base asset",
 			args: args{