Add the wallet balance service

client.go

@@ -755,6 +755,10 @@ func (c *Client) NewAutoConvertStableCoinService() *AutoConvertStableCoinService
 	return &AutoConvertStableCoinService{c: c}
 }
 
+func (c *Client) NewWalletBalanceService() *WalletBalanceService {
+	return &WalletBalanceService{c: c}
+}
+
 // User Data Streams:
 func (c *Client) NewCreateListenKeyService() *CreateListenKey {
 	return &CreateListenKey{c: c}

examples/wallet/WalletBalance/WalletBalance.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	binance_connector "github.com/binance/binance-connector-go"
+)
+
+func main() {
+	WalletBalance()
+}
+
+func WalletBalance() {
+	apiKey := "your api key"
+	secretKey := "your secret key"
+	baseURL := "https://api.binance.com"
+
+	client := binance_connector.NewClient(apiKey, secretKey, baseURL)
+
+	// WalletBalanceService - /sapi/v1/asset/wallet/balance
+	walletBalance, err := client.NewWalletBalanceService().Do(context.Background())
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println(binance_connector.PrettyPrint(walletBalance))
+}

wallet.go

@@ -1764,3 +1764,38 @@ type AutoConvertStableCoinResponse struct {
 		Asset string `json:"coin"`
 	} `json:"exchangeRates"`
 }
+
+// Wallet Balance (USER_DATA)
+const (
+	walletBalanceEndpoint = "/sapi/v1/asset/wallet/balance"
+)
+
+// WalletBalanceService gets the user wallet balance in BTC.
+type WalletBalanceService struct {
+	c *Client
+}
+
+func (s *WalletBalanceService) Do(ctx context.Context) (res []*WalletBalanceResponse, err error) {
+	r := &request{
+		method:   http.MethodGet,
+		endpoint: walletBalanceEndpoint,
+		secType:  secTypeSigned,
+	}
+	data, err := s.c.callAPI(ctx, r)
+	if err != nil {
+		return nil, err
+	}
+	res = make([]*WalletBalanceResponse, 0)
+	err = json.Unmarshal(data, &res)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+// WalletBalanceResponse defines the response of WalletBalanceService
+type WalletBalanceResponse struct {
+	Activate   bool   `json:"activate"`
+	Balance    string `json:"balance"`
+	WalletName string `json:"walletName"`
+}