Files
gocryptotrader/exchanges/huobihadax/huobihadax.go
2018-08-07 13:05:13 +10:00

797 lines
22 KiB
Go

package huobihadax
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"log"
"net/url"
"strconv"
"time"
"github.com/thrasher-/gocryptotrader/common"
"github.com/thrasher-/gocryptotrader/config"
"github.com/thrasher-/gocryptotrader/exchanges"
"github.com/thrasher-/gocryptotrader/exchanges/request"
"github.com/thrasher-/gocryptotrader/exchanges/ticker"
)
const (
huobihadaxAPIURL = "https://api.hadax.com"
huobihadaxAPIVersion = "1"
huobihadaxMarketHistoryKline = "market/history/kline"
huobihadaxMarketDetail = "market/detail"
huobihadaxMarketDetailMerged = "market/detail/merged"
huobihadaxMarketDepth = "market/depth"
huobihadaxMarketTrade = "market/trade"
huobihadaxMarketTradeHistory = "market/history/trade"
huobihadaxSymbols = "common/symbols"
huobihadaxCurrencies = "common/currencys"
huobihadaxTimestamp = "common/timestamp"
huobihadaxAccounts = "account/accounts"
huobihadaxAccountBalance = "account/accounts/%s/balance"
huobihadaxOrderPlace = "order/orders/place"
huobihadaxOrderCancel = "order/orders/%s/submitcancel"
huobihadaxOrderCancelBatch = "order/orders/batchcancel"
huobihadaxGetOrder = "order/orders/%s"
huobihadaxGetOrderMatch = "order/orders/%s/matchresults"
huobihadaxGetOrders = "order/orders"
huobihadaxGetOrdersMatch = "orders/matchresults"
huobihadaxMarginTransferIn = "dw/transfer-in/margin"
huobihadaxMarginTransferOut = "dw/transfer-out/margin"
huobihadaxMarginOrders = "margin/orders"
huobihadaxMarginRepay = "margin/orders/%s/repay"
huobihadaxMarginLoanOrders = "margin/loan-orders"
huobihadaxMarginAccountBalance = "margin/accounts/balance"
huobihadaxWithdrawCreate = "dw/withdraw/api/create"
huobihadaxWithdrawCancel = "dw/withdraw-virtual/%s/cancel"
huobihadaxAuthRate = 100
huobihadaxUnauthRate = 100
)
// HUOBIHADAX is the overarching type across this package
type HUOBIHADAX struct {
exchange.Base
}
// SetDefaults sets default values for the exchange
func (h *HUOBIHADAX) SetDefaults() {
h.Name = "HuobiHadax"
h.Enabled = false
h.Fee = 0
h.Verbose = false
h.Websocket = false
h.RESTPollingDelay = 10
h.RequestCurrencyPairFormat.Delimiter = ""
h.RequestCurrencyPairFormat.Uppercase = false
h.ConfigCurrencyPairFormat.Delimiter = "-"
h.ConfigCurrencyPairFormat.Uppercase = true
h.AssetTypes = []string{ticker.Spot}
h.SupportsAutoPairUpdating = true
h.SupportsRESTTickerBatching = false
h.Requester = request.New(h.Name, request.NewRateLimit(time.Second*10, huobihadaxAuthRate), request.NewRateLimit(time.Second*10, huobihadaxUnauthRate), common.NewHTTPClientWithTimeout(exchange.DefaultHTTPTimeout))
}
// Setup sets user configuration
func (h *HUOBIHADAX) Setup(exch config.ExchangeConfig) {
if !exch.Enabled {
h.SetEnabled(false)
} else {
h.Enabled = true
h.AuthenticatedAPISupport = exch.AuthenticatedAPISupport
h.SetAPIKeys(exch.APIKey, exch.APISecret, "", false)
h.APIAuthPEMKey = exch.APIAuthPEMKey
h.SetHTTPClientTimeout(exch.HTTPTimeout)
h.SetHTTPClientUserAgent(exch.HTTPUserAgent)
h.RESTPollingDelay = exch.RESTPollingDelay
h.Verbose = exch.Verbose
h.Websocket = exch.Websocket
h.BaseCurrencies = common.SplitStrings(exch.BaseCurrencies, ",")
h.AvailablePairs = common.SplitStrings(exch.AvailablePairs, ",")
h.EnabledPairs = common.SplitStrings(exch.EnabledPairs, ",")
err := h.SetCurrencyPairFormat()
if err != nil {
log.Fatal(err)
}
err = h.SetAssetTypes()
if err != nil {
log.Fatal(err)
}
err = h.SetAutoPairDefaults()
if err != nil {
log.Fatal(err)
}
}
}
// GetFee returns Huobi fee
func (h *HUOBIHADAX) GetFee() float64 {
return h.Fee
}
// GetSpotKline returns kline data
// KlinesRequestParams holds the Kline request params
func (h *HUOBIHADAX) GetSpotKline(arg KlinesRequestParams) ([]KlineItem, error) {
vals := url.Values{}
vals.Set("symbol", arg.Symbol)
vals.Set("period", string(arg.Period))
if arg.Size != 0 {
vals.Set("size", strconv.Itoa(arg.Size))
}
type response struct {
Response
Data []KlineItem `json:"data"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketHistoryKline)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Data, err
}
// GetMarketDetailMerged returns the ticker for the specified symbol
func (h *HUOBIHADAX) GetMarketDetailMerged(symbol string) (DetailMerged, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
type response struct {
Response
Tick DetailMerged `json:"tick"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketDetailMerged)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return result.Tick, errors.New(result.ErrorMessage)
}
return result.Tick, err
}
// GetDepth returns the depth for the specified symbol
func (h *HUOBIHADAX) GetDepth(symbol, depthType string) (Orderbook, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
if depthType != "" {
vals.Set("type", depthType)
}
type response struct {
Response
Depth Orderbook `json:"tick"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketDepth)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return result.Depth, errors.New(result.ErrorMessage)
}
return result.Depth, err
}
// GetTrades returns the trades for the specified symbol
func (h *HUOBIHADAX) GetTrades(symbol string) ([]Trade, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
type response struct {
Response
Tick struct {
Data []Trade `json:"data"`
} `json:"tick"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketTrade)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Tick.Data, err
}
// GetLatestSpotPrice returns latest spot price of symbol
//
// symbol: string of currency pair
func (h *HUOBIHADAX) GetLatestSpotPrice(symbol string) (float64, error) {
list, err := h.GetTradeHistory(symbol, "1")
if err != nil {
return 0, err
}
if len(list) == 0 {
return 0, errors.New("The length of the list is 0")
}
return list[0].Trades[0].Price, nil
}
// GetTradeHistory returns the trades for the specified symbol
func (h *HUOBIHADAX) GetTradeHistory(symbol, size string) ([]TradeHistory, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
if size != "" {
vals.Set("size", size)
}
type response struct {
Response
TradeHistory []TradeHistory `json:"data"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketTradeHistory)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.TradeHistory, err
}
// GetMarketDetail returns the ticker for the specified symbol
func (h *HUOBIHADAX) GetMarketDetail(symbol string) (Detail, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
type response struct {
Response
Tick Detail `json:"tick"`
}
var result response
url := fmt.Sprintf("%s/%s", huobihadaxAPIURL, huobihadaxMarketDetail)
err := h.SendHTTPRequest(common.EncodeURLValues(url, vals), &result)
if result.ErrorMessage != "" {
return result.Tick, errors.New(result.ErrorMessage)
}
return result.Tick, err
}
// GetSymbols returns an array of symbols supported by Huobi
func (h *HUOBIHADAX) GetSymbols() ([]Symbol, error) {
type response struct {
Response
Symbols []Symbol `json:"data"`
}
var result response
url := fmt.Sprintf("%s/v%s/%s", huobihadaxAPIURL, huobihadaxAPIVersion, huobihadaxSymbols)
err := h.SendHTTPRequest(url, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Symbols, err
}
// GetCurrencies returns a list of currencies supported by Huobi
func (h *HUOBIHADAX) GetCurrencies() ([]string, error) {
type response struct {
Response
Currencies []string `json:"data"`
}
var result response
url := fmt.Sprintf("%s/v%s/%s", huobihadaxAPIURL, huobihadaxAPIVersion, huobihadaxCurrencies)
err := h.SendHTTPRequest(url, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Currencies, err
}
// GetTimestamp returns the Huobi server time
func (h *HUOBIHADAX) GetTimestamp() (int64, error) {
type response struct {
Response
Timestamp int64 `json:"data"`
}
var result response
url := fmt.Sprintf("%s/v%s/%s", huobihadaxAPIURL, huobihadaxAPIVersion, huobihadaxTimestamp)
err := h.SendHTTPRequest(url, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.Timestamp, err
}
// GetAccounts returns the Huobi user accounts
func (h *HUOBIHADAX) GetAccounts() ([]Account, error) {
type response struct {
Response
AccountData []Account `json:"data"`
}
var result response
err := h.SendAuthenticatedHTTPRequest("GET", huobihadaxAccounts, url.Values{}, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.AccountData, err
}
// GetAccountBalance returns the users Huobi account balance
func (h *HUOBIHADAX) GetAccountBalance(accountID string) ([]AccountBalanceDetail, error) {
type response struct {
Response
AccountBalanceData AccountBalance `json:"data"`
}
var result response
endpoint := fmt.Sprintf(huobihadaxAccountBalance, accountID)
err := h.SendAuthenticatedHTTPRequest("GET", endpoint, url.Values{}, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.AccountBalanceData.AccountBalanceDetails, err
}
// SpotNewOrder submits an order to Huobi
func (h *HUOBIHADAX) SpotNewOrder(arg SpotNewOrderRequestParams) (int64, error) {
vals := make(map[string]string)
vals["account-id"] = fmt.Sprintf("%d", arg.AccountID)
vals["amount"] = strconv.FormatFloat(arg.Amount, 'f', -1, 64)
// Only set price if order type is not equal to buy-market or sell-market
if arg.Type != SpotNewOrderRequestTypeBuyMarket && arg.Type != SpotNewOrderRequestTypeSellMarket {
vals["price"] = strconv.FormatFloat(arg.Price, 'f', -1, 64)
}
if arg.Source != "" {
vals["source"] = arg.Source
}
vals["symbol"] = arg.Symbol
vals["type"] = string(arg.Type)
type response struct {
Response
OrderID int64 `json:"data,string"`
}
// The API indicates that for the POST request, the parameters of each method are not signed and authenticated. That is, only the AccessKeyId, SignatureMethod, SignatureVersion, and Timestamp parameters are required for the POST request. The other parameters are placed in the body.
// So re-encode the Post parameter
bytesParams, _ := json.Marshal(vals)
postBodyParams := string(bytesParams)
if h.Verbose {
fmt.Println("Post params:", postBodyParams)
}
var result response
err := h.SendAuthenticatedHTTPPostRequest("POST", huobihadaxOrderPlace, postBodyParams, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.OrderID, err
}
// CancelOrder cancels an order on Huobi
func (h *HUOBIHADAX) CancelOrder(orderID int64) (int64, error) {
type response struct {
Response
OrderID int64 `json:"data,string"`
}
var result response
endpoint := fmt.Sprintf(huobihadaxOrderCancel, strconv.FormatInt(orderID, 10))
err := h.SendAuthenticatedHTTPRequest("POST", endpoint, url.Values{}, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.OrderID, err
}
// CancelOrderBatch cancels a batch of orders -- to-do
func (h *HUOBIHADAX) CancelOrderBatch(orderIDs []int64) (CancelOrderBatch, error) {
type response struct {
Status string `json:"status"`
Data CancelOrderBatch `json:"data"`
}
// Used to send param formatting
type postBody struct {
List []int64 `json:"order-ids"`
}
// Format to JSON
bytesParams, _ := common.JSONEncode(&postBody{List: orderIDs})
postBodyParams := string(bytesParams)
var result response
err := h.SendAuthenticatedHTTPPostRequest("POST", huobihadaxOrderCancelBatch, postBodyParams, &result)
if len(result.Data.Failed) != 0 {
errJSON, _ := common.JSONEncode(result.Data.Failed)
return CancelOrderBatch{}, errors.New(string(errJSON))
}
return result.Data, err
}
// GetOrder returns order information for the specified order
func (h *HUOBIHADAX) GetOrder(orderID int64) (OrderInfo, error) {
type response struct {
Response
Order OrderInfo `json:"data"`
}
var result response
endpoint := fmt.Sprintf(huobihadaxGetOrder, strconv.FormatInt(orderID, 10))
err := h.SendAuthenticatedHTTPRequest("GET", endpoint, url.Values{}, &result)
if result.ErrorMessage != "" {
return result.Order, errors.New(result.ErrorMessage)
}
return result.Order, err
}
// GetOrderMatchResults returns matched order info for the specified order
func (h *HUOBIHADAX) GetOrderMatchResults(orderID int64) ([]OrderMatchInfo, error) {
type response struct {
Response
Orders []OrderMatchInfo `json:"data"`
}
var result response
endpoint := fmt.Sprintf(huobihadaxGetOrderMatch, strconv.FormatInt(orderID, 10))
err := h.SendAuthenticatedHTTPRequest("GET", endpoint, url.Values{}, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Orders, err
}
// GetOrders returns a list of orders
func (h *HUOBIHADAX) GetOrders(symbol, types, start, end, states, from, direct, size string) ([]OrderInfo, error) {
type response struct {
Response
Orders []OrderInfo `json:"data"`
}
vals := url.Values{}
vals.Set("symbol", symbol)
vals.Set("states", states)
if types != "" {
vals.Set("types", types)
}
if start != "" {
vals.Set("start-date", start)
}
if end != "" {
vals.Set("end-date", end)
}
if from != "" {
vals.Set("from", from)
}
if direct != "" {
vals.Set("direct", direct)
}
if size != "" {
vals.Set("size", size)
}
var result response
err := h.SendAuthenticatedHTTPRequest("GET", huobihadaxGetOrders, vals, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Orders, err
}
// GetOrdersMatch returns a list of matched orders
func (h *HUOBIHADAX) GetOrdersMatch(symbol, types, start, end, from, direct, size string) ([]OrderMatchInfo, error) {
type response struct {
Response
Orders []OrderMatchInfo `json:"data"`
}
vals := url.Values{}
vals.Set("symbol", symbol)
if types != "" {
vals.Set("types", types)
}
if start != "" {
vals.Set("start-date", start)
}
if end != "" {
vals.Set("end-date", end)
}
if from != "" {
vals.Set("from", from)
}
if direct != "" {
vals.Set("direct", direct)
}
if size != "" {
vals.Set("size", size)
}
var result response
err := h.SendAuthenticatedHTTPRequest("GET", huobihadaxGetOrdersMatch, vals, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Orders, err
}
// MarginTransfer transfers assets into or out of the margin account
func (h *HUOBIHADAX) MarginTransfer(symbol, currency string, amount float64, in bool) (int64, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
vals.Set("currency", currency)
vals.Set("amount", strconv.FormatFloat(amount, 'f', -1, 64))
path := huobihadaxMarginTransferIn
if !in {
path = huobihadaxMarginTransferOut
}
type response struct {
Response
TransferID int64 `json:"data"`
}
var result response
err := h.SendAuthenticatedHTTPRequest("POST", path, vals, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.TransferID, err
}
// MarginOrder submits a margin order application
func (h *HUOBIHADAX) MarginOrder(symbol, currency string, amount float64) (int64, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
vals.Set("currency", currency)
vals.Set("amount", strconv.FormatFloat(amount, 'f', -1, 64))
type response struct {
Response
MarginOrderID int64 `json:"data"`
}
var result response
err := h.SendAuthenticatedHTTPRequest("POST", huobihadaxMarginOrders, vals, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.MarginOrderID, err
}
// MarginRepayment repays a margin amount for a margin ID
func (h *HUOBIHADAX) MarginRepayment(orderID int64, amount float64) (int64, error) {
vals := url.Values{}
vals.Set("order-id", strconv.FormatInt(orderID, 10))
vals.Set("amount", strconv.FormatFloat(amount, 'f', -1, 64))
type response struct {
Response
MarginOrderID int64 `json:"data"`
}
var result response
endpoint := fmt.Sprintf(huobihadaxMarginRepay, strconv.FormatInt(orderID, 10))
err := h.SendAuthenticatedHTTPRequest("POST", endpoint, vals, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.MarginOrderID, err
}
// GetMarginLoanOrders returns the margin loan orders
func (h *HUOBIHADAX) GetMarginLoanOrders(symbol, currency, start, end, states, from, direct, size string) ([]MarginOrder, error) {
vals := url.Values{}
vals.Set("symbol", symbol)
vals.Set("currency", currency)
if start != "" {
vals.Set("start-date", start)
}
if end != "" {
vals.Set("end-date", end)
}
if states != "" {
vals.Set("states", states)
}
if from != "" {
vals.Set("from", from)
}
if direct != "" {
vals.Set("direct", direct)
}
if size != "" {
vals.Set("size", size)
}
type response struct {
Response
MarginLoanOrders []MarginOrder `json:"data"`
}
var result response
err := h.SendAuthenticatedHTTPRequest("GET", huobihadaxMarginLoanOrders, vals, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.MarginLoanOrders, err
}
// GetMarginAccountBalance returns the margin account balances
func (h *HUOBIHADAX) GetMarginAccountBalance(symbol string) ([]MarginAccountBalance, error) {
type response struct {
Response
Balances []MarginAccountBalance `json:"data"`
}
vals := url.Values{}
if symbol != "" {
vals.Set("symbol", symbol)
}
var result response
err := h.SendAuthenticatedHTTPRequest("GET", huobihadaxMarginAccountBalance, vals, &result)
if result.ErrorMessage != "" {
return nil, errors.New(result.ErrorMessage)
}
return result.Balances, err
}
// Withdraw withdraws the desired amount and currency
func (h *HUOBIHADAX) Withdraw(address, currency, addrTag string, amount, fee float64) (int64, error) {
type response struct {
Response
WithdrawID int64 `json:"data"`
}
vals := url.Values{}
vals.Set("address", address)
vals.Set("currency", currency)
vals.Set("amount", strconv.FormatFloat(amount, 'f', -1, 64))
if fee != 0 {
vals.Set("fee", strconv.FormatFloat(fee, 'f', -1, 64))
}
if currency == "XRP" {
vals.Set("addr-tag", addrTag)
}
var result response
err := h.SendAuthenticatedHTTPRequest("POST", huobihadaxWithdrawCreate, vals, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.WithdrawID, err
}
// CancelWithdraw cancels a withdraw request
func (h *HUOBIHADAX) CancelWithdraw(withdrawID int64) (int64, error) {
type response struct {
Response
WithdrawID int64 `json:"data"`
}
vals := url.Values{}
vals.Set("withdraw-id", strconv.FormatInt(withdrawID, 10))
var result response
endpoint := fmt.Sprintf(huobihadaxWithdrawCancel, strconv.FormatInt(withdrawID, 10))
err := h.SendAuthenticatedHTTPRequest("POST", endpoint, vals, &result)
if result.ErrorMessage != "" {
return 0, errors.New(result.ErrorMessage)
}
return result.WithdrawID, err
}
// SendHTTPRequest sends an unauthenticated HTTP request
func (h *HUOBIHADAX) SendHTTPRequest(path string, result interface{}) error {
return h.SendPayload("GET", path, nil, nil, result, false, h.Verbose)
}
// SendAuthenticatedHTTPPostRequest sends authenticated requests to the HUOBI API
func (h *HUOBIHADAX) SendAuthenticatedHTTPPostRequest(method, endpoint, postBodyValues string, result interface{}) error {
if !h.AuthenticatedAPISupport {
return fmt.Errorf(exchange.WarningAuthenticatedRequestWithoutCredentialsSet, h.Name)
}
signatureParams := url.Values{}
signatureParams.Set("AccessKeyId", h.APIKey)
signatureParams.Set("SignatureMethod", "HmacSHA256")
signatureParams.Set("SignatureVersion", "2")
signatureParams.Set("Timestamp", time.Now().UTC().Format("2006-01-02T15:04:05"))
endpoint = fmt.Sprintf("/v%s/%s", huobihadaxAPIVersion, endpoint)
payload := fmt.Sprintf("%s\napi.huobi.pro\n%s\n%s",
method, endpoint, signatureParams.Encode())
headers := make(map[string]string)
headers["Content-Type"] = "application/json"
headers["Accept-Language"] = "zh-cn"
hmac := common.GetHMAC(common.HashSHA256, []byte(payload), []byte(h.APISecret))
signatureParams.Set("Signature", common.Base64Encode(hmac))
url := fmt.Sprintf("%s%s", huobihadaxAPIURL, endpoint)
url = common.EncodeURLValues(url, signatureParams)
return h.SendPayload(method, url, headers, bytes.NewBufferString(postBodyValues), result, true, h.Verbose)
}
// SendAuthenticatedHTTPRequest sends authenticated requests to the HUOBI API
func (h *HUOBIHADAX) SendAuthenticatedHTTPRequest(method, endpoint string, values url.Values, result interface{}) error {
if !h.AuthenticatedAPISupport {
return fmt.Errorf(exchange.WarningAuthenticatedRequestWithoutCredentialsSet, h.Name)
}
values.Set("AccessKeyId", h.APIKey)
values.Set("SignatureMethod", "HmacSHA256")
values.Set("SignatureVersion", "2")
values.Set("Timestamp", time.Now().UTC().Format("2006-01-02T15:04:05"))
endpoint = fmt.Sprintf("/v%s/%s", huobihadaxAPIVersion, endpoint)
payload := fmt.Sprintf("%s\napi.huobi.pro\n%s\n%s",
method, endpoint, values.Encode())
headers := make(map[string]string)
headers["Content-Type"] = "application/x-www-form-urlencoded"
hmac := common.GetHMAC(common.HashSHA256, []byte(payload), []byte(h.APISecret))
values.Set("Signature", common.Base64Encode(hmac))
url := fmt.Sprintf("%s%s", huobihadaxAPIURL, endpoint)
url = common.EncodeURLValues(url, values)
return h.SendPayload(method, url, headers, bytes.NewBufferString(""), result, true, h.Verbose)
}