From 4dc478590fdc165d4c4fb923df84fecce00ba7b3 Mon Sep 17 00:00:00 2001
From: Larry850806 <pudding850806@gmail.com>
Date: Wed, 17 Mar 2021 14:35:00 +0800
Subject: [PATCH 1/2] Remove configuring database in balances cmd

---
 pkg/cmd/balances.go | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/pkg/cmd/balances.go b/pkg/cmd/balances.go
index f6d0335f6..85f14b7e3 100644
--- a/pkg/cmd/balances.go
+++ b/pkg/cmd/balances.go
@@ -43,9 +43,6 @@ var balancesCmd = &cobra.Command{
 		}
 
 		environ := bbgo.NewEnvironment()
-		if err := environ.ConfigureDatabase(ctx); err != nil {
-			return err
-		}
 
 		if err := environ.ConfigureExchangeSessions(userConfig); err != nil {
 			return err

From 28f458419156d5a306be99a0f51227f414d1320d Mon Sep 17 00:00:00 2001
From: Larry850806 <pudding850806@gmail.com>
Date: Wed, 17 Mar 2021 20:03:27 +0800
Subject: [PATCH 2/2] Use empty config if config file doesn't exist

---
 pkg/cmd/balances.go | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/pkg/cmd/balances.go b/pkg/cmd/balances.go
index 85f14b7e3..3694b1da8 100644
--- a/pkg/cmd/balances.go
+++ b/pkg/cmd/balances.go
@@ -33,12 +33,20 @@ var balancesCmd = &cobra.Command{
 			return errors.New("--config option is required")
 		}
 
-		if _, err := os.Stat(configFile); os.IsNotExist(err) {
-			return err
-		}
-
-		userConfig, err := bbgo.Load(configFile, false)
-		if err != nil {
+		// if config file exists, use the config loaded from the config file.
+		// otherwise, use a empty config object
+		var userConfig *bbgo.Config
+		if _, err := os.Stat(configFile); err == nil {
+			// load successfully
+			userConfig, err = bbgo.Load(configFile, false)
+			if err != nil {
+				return err
+			}
+		} else if os.IsNotExist(err) {
+			// config file doesn't exist
+			userConfig = &bbgo.Config{}
+		} else {
+			// other error
 			return err
 		}