fix huobib/binance api bug (#129)

exchanges/binance/binance.go

@@ -38,6 +38,7 @@ const (
 	priceChange      = "/api/v1/ticker/24hr"
 	symbolPrice      = "/api/v3/ticker/price"
 	bestPrice        = "/api/v3/ticker/bookTicker"
+	accountInfo      = "/api/v3/account"
 
 	// Authenticated endpoints
 	newOrderTest = "/api/v3/order/test"
@@ -442,6 +443,29 @@ func (b *Binance) QueryOrder(symbol, origClientOrderID string, orderID int64) (Q
 	return resp, nil
 }
 
+// GetAccount returns binance user accounts
+func (b *Binance) GetAccount() (*Account, error) {
+	type respone struct {
+		Response
+		Account
+	}
+
+	var resp respone
+
+	path := fmt.Sprintf("%s%s", apiURL, accountInfo)
+	params := url.Values{}
+
+	if err := b.SendAuthHTTPRequest("GET", path, params, &resp); err != nil {
+		return &resp.Account, err
+	}
+
+	if resp.Code != 0 {
+		return &resp.Account, errors.New(resp.Msg)
+	}
+
+	return &resp.Account, nil
+}
+
 // SendHTTPRequest sends an unauthenticated request
 func (b *Binance) SendHTTPRequest(path string, result interface{}) error {
 	return b.SendPayload("GET", path, nil, nil, result, false, b.Verbose)
@@ -471,8 +495,9 @@ func (b *Binance) SendAuthHTTPRequest(method, path string, params url.Values, re
 	if b.Verbose {
 		log.Printf("sent path: \n%s\n", path)
 	}
+	path = common.EncodeURLValues(path, params)
 
-	return b.SendPayload(method, path, headers, bytes.NewBufferString(params.Encode()), result, true, b.Verbose)
+	return b.SendPayload(method, path, headers, bytes.NewBufferString(""), result, true, b.Verbose)
 }
 
 // CheckLimit checks value against a variable list

exchanges/binance/binance_types.go

@@ -1,5 +1,10 @@
 package binance
 
+type Response struct {
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+}
+
 // ExchangeInfo holds the full exchange information type
 type ExchangeInfo struct {
 	Code       int    `json:"code"`
@@ -202,3 +207,23 @@ type QueryOrderData struct {
 	Time          int64   `json:"time"`
 	IsWorking     bool    `json:"isWorking"`
 }
+
+// QueryOrderData holds query order data
+type Blance struct {
+	Asset  string `json:"asset"`
+	Free   string `json:"free"`
+	Locked string `json:"locked"`
+}
+
+// AccountInfo holds the account data
+type Account struct {
+	MakerCommission  int      `json:"makerCommission"`
+	TakerCommission  int      `json:"takerCommission"`
+	BuyerCommission  int      `json:"buyerCommission"`
+	SellerCommission int      `json:"sellerCommission"`
+	CanTrade         bool     `json:"canTrade"`
+	CanWithdraw      bool     `json:"canWithdraw"`
+	CanDeposit       bool     `json:"canDeposit"`
+	UpdateTime       int64    `json:"updateTime"`
+	Blances          []Blance `json:"balances"`
+}