gocryptotrader/exchanges/huobi/huobi_wrapper.go

package huobi

import (
	"errors"
	"fmt"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/thrasher-corp/gocryptotrader/common"
	"github.com/thrasher-corp/gocryptotrader/config"
	"github.com/thrasher-corp/gocryptotrader/currency"
	exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
	"github.com/thrasher-corp/gocryptotrader/exchanges/account"
	"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
	"github.com/thrasher-corp/gocryptotrader/exchanges/kline"
	"github.com/thrasher-corp/gocryptotrader/exchanges/order"
	"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
	"github.com/thrasher-corp/gocryptotrader/exchanges/protocol"
	"github.com/thrasher-corp/gocryptotrader/exchanges/request"
	"github.com/thrasher-corp/gocryptotrader/exchanges/stream"
	"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
	"github.com/thrasher-corp/gocryptotrader/log"
	"github.com/thrasher-corp/gocryptotrader/portfolio/withdraw"
)

// GetDefaultConfig returns a default exchange config
func (h *HUOBI) GetDefaultConfig() (*config.ExchangeConfig, error) {
	h.SetDefaults()
	exchCfg := new(config.ExchangeConfig)
	exchCfg.Name = h.Name
	exchCfg.HTTPTimeout = exchange.DefaultHTTPTimeout
	exchCfg.BaseCurrencies = h.BaseCurrencies

	err := h.SetupDefaults(exchCfg)
	if err != nil {
		return nil, err
	}

	if h.Features.Supports.RESTCapabilities.AutoPairUpdates {
		err = h.UpdateTradablePairs(true)
		if err != nil {
			return nil, err
		}
	}

	return exchCfg, nil
}

// SetDefaults sets default values for the exchange
func (h *HUOBI) SetDefaults() {
	h.Name = "Huobi"
	h.Enabled = true
	h.Verbose = true
	h.API.CredentialsValidator.RequiresKey = true
	h.API.CredentialsValidator.RequiresSecret = true

	requestFmt := &currency.PairFormat{}
	configFmt := &currency.PairFormat{Delimiter: currency.DashDelimiter, Uppercase: true}
	err := h.SetGlobalPairsManager(requestFmt, configFmt, asset.Spot)
	if err != nil {
		log.Errorln(log.ExchangeSys, err)
	}

	h.Features = exchange.Features{
		Supports: exchange.FeaturesSupported{
			REST:      true,
			Websocket: true,
			RESTCapabilities: protocol.Features{
				TickerBatching:    true,
				TickerFetching:    true,
				KlineFetching:     true,
				TradeFetching:     true,
				OrderbookFetching: true,
				AutoPairUpdates:   true,
				AccountInfo:       true,
				GetOrder:          true,
				GetOrders:         true,
				CancelOrders:      true,
				CancelOrder:       true,
				SubmitOrder:       true,
				CryptoDeposit:     true,
				CryptoWithdrawal:  true,
				TradeFee:          true,
			},
			WebsocketCapabilities: protocol.Features{
				KlineFetching:          true,
				OrderbookFetching:      true,
				TradeFetching:          true,
				Subscribe:              true,
				Unsubscribe:            true,
				AuthenticatedEndpoints: true,
				AccountInfo:            true,
				MessageCorrelation:     true,
				GetOrder:               true,
				GetOrders:              true,
				TickerFetching:         true,
			},
			WithdrawPermissions: exchange.AutoWithdrawCryptoWithSetup |
				exchange.NoFiatWithdrawals,
			Kline: kline.ExchangeCapabilitiesSupported{
				Intervals: true,
			},
		},
		Enabled: exchange.FeaturesEnabled{
			AutoPairUpdates: true,
			Kline: kline.ExchangeCapabilitiesEnabled{
				Intervals: map[string]bool{
					kline.OneMin.Word():     true,
					kline.FiveMin.Word():    true,
					kline.FifteenMin.Word(): true,
					kline.ThirtyMin.Word():  true,
					kline.OneHour.Word():    true,
					kline.FourHour.Word():   true,
					kline.OneDay.Word():     true,
					kline.OneWeek.Word():    true,
					kline.OneMonth.Word():   true,
					kline.OneYear.Word():    true,
				},
				ResultLimit: 2000,
			},
		},
	}

	h.Requester = request.New(h.Name,
		common.NewHTTPClientWithTimeout(exchange.DefaultHTTPTimeout),
		request.WithLimiter(SetRateLimit()))

	h.API.Endpoints.URLDefault = huobiAPIURL
	h.API.Endpoints.URL = h.API.Endpoints.URLDefault
	h.API.Endpoints.WebsocketURL = wsMarketURL
	h.Websocket = stream.New()
	h.WebsocketResponseMaxLimit = exchange.DefaultWebsocketResponseMaxLimit
	h.WebsocketResponseCheckTimeout = exchange.DefaultWebsocketResponseCheckTimeout
	h.WebsocketOrderbookBufferLimit = exchange.DefaultWebsocketOrderbookBufferLimit
}

// Setup sets user configuration
func (h *HUOBI) Setup(exch *config.ExchangeConfig) error {
	if !exch.Enabled {
		h.SetEnabled(false)
		return nil
	}

	err := h.SetupDefaults(exch)
	if err != nil {
		return err
	}

	err = h.Websocket.Setup(&stream.WebsocketSetup{
		Enabled:                          exch.Features.Enabled.Websocket,
		Verbose:                          exch.Verbose,
		AuthenticatedWebsocketAPISupport: exch.API.AuthenticatedWebsocketSupport,
		WebsocketTimeout:                 exch.WebsocketTrafficTimeout,
		DefaultURL:                       wsMarketURL,
		ExchangeName:                     exch.Name,
		RunningURL:                       exch.API.Endpoints.WebsocketURL,
		Connector:                        h.WsConnect,
		Subscriber:                       h.Subscribe,
		UnSubscriber:                     h.Unsubscribe,
		GenerateSubscriptions:            h.GenerateDefaultSubscriptions,
		Features:                         &h.Features.Supports.WebsocketCapabilities,
		OrderbookBufferLimit:             exch.WebsocketOrderbookBufferLimit,
	})
	if err != nil {
		return err
	}

	err = h.Websocket.SetupNewConnection(stream.ConnectionSetup{
		RateLimit:            rateLimit,
		ResponseCheckTimeout: exch.WebsocketResponseCheckTimeout,
		ResponseMaxLimit:     exch.WebsocketResponseMaxLimit,
	})
	if err != nil {
		return err
	}

	return h.Websocket.SetupNewConnection(stream.ConnectionSetup{
		RateLimit:            rateLimit,
		ResponseCheckTimeout: exch.WebsocketResponseCheckTimeout,
		ResponseMaxLimit:     exch.WebsocketResponseMaxLimit,
		URL:                  wsAccountsOrdersURL,
		Authenticated:        true,
	})
}

// Start starts the HUOBI go routine
func (h *HUOBI) Start(wg *sync.WaitGroup) {
	wg.Add(1)
	go func() {
		h.Run()
		wg.Done()
	}()
}

// Run implements the HUOBI wrapper
func (h *HUOBI) Run() {
	if h.Verbose {
		log.Debugf(log.ExchangeSys,
			"%s Websocket: %s (url: %s).\n",
			h.Name,
			common.IsEnabled(h.Websocket.IsEnabled()),
			wsMarketURL)
		h.PrintEnabledPairs()
	}

	var forceUpdate bool
	enabled, err := h.GetEnabledPairs(asset.Spot)
	if err != nil {
		log.Errorf(log.ExchangeSys,
			"%s Failed to update enabled currencies. Err:%s\n",
			h.Name,
			err)
	}

	avail, err := h.GetAvailablePairs(asset.Spot)
	if err != nil {
		log.Errorf(log.ExchangeSys,
			"%s Failed to update enabled currencies. Err:%s\n",
			h.Name,
			err)
	}

	if common.StringDataContains(enabled.Strings(), currency.CNY.String()) ||
		common.StringDataContains(avail.Strings(), currency.CNY.String()) {
		forceUpdate = true
	}

	if common.StringDataContains(h.BaseCurrencies.Strings(), currency.CNY.String()) {
		cfg := config.GetConfig()
		var exchCfg *config.ExchangeConfig
		exchCfg, err = cfg.GetExchangeConfig(h.Name)
		if err != nil {
			log.Errorf(log.ExchangeSys,
				"%s failed to get exchange config. %s\n",
				h.Name,
				err)
			return
		}
		exchCfg.BaseCurrencies = currency.Currencies{currency.USD}
		h.BaseCurrencies = currency.Currencies{currency.USD}
	}

	if forceUpdate {
		var format currency.PairFormat
		format, err = h.GetPairFormat(asset.Spot, false)
		if err != nil {
			log.Errorf(log.ExchangeSys,
				"%s failed to get exchange config. %s\n",
				h.Name,
				err)
			return
		}
		enabledPairs := currency.Pairs{
			currency.Pair{
				Base:      currency.BTC.Lower(),
				Quote:     currency.USDT.Lower(),
				Delimiter: format.Delimiter,
			},
		}
		log.Warn(log.ExchangeSys,
			"Available and enabled pairs for Huobi reset due to config upgrade, please enable the ones you would like again")

		err = h.UpdatePairs(enabledPairs, asset.Spot, true, true)
		if err != nil {
			log.Errorf(log.ExchangeSys,
				"%s Failed to update enabled currencies. Err:%s\n",
				h.Name,
				err)
		}
	}

	if !h.GetEnabledFeatures().AutoPairUpdates && !forceUpdate {
		return
	}

	err = h.UpdateTradablePairs(forceUpdate)
	if err != nil {
		log.Errorf(log.ExchangeSys,
			"%s failed to update tradable pairs. Err: %s",
			h.Name,
			err)
	}
}

// FetchTradablePairs returns a list of the exchanges tradable pairs
func (h *HUOBI) FetchTradablePairs(asset asset.Item) ([]string, error) {
	symbols, err := h.GetSymbols()
	if err != nil {
		return nil, err
	}

	format, err := h.GetPairFormat(asset, false)
	if err != nil {
		return nil, err
	}

	var pairs []string
	for x := range symbols {
		if symbols[x].State != "online" {
			continue
		}
		pairs = append(pairs, symbols[x].BaseCurrency+
			format.Delimiter+
			symbols[x].QuoteCurrency)
	}

	return pairs, nil
}

// UpdateTradablePairs updates the exchanges available pairs and stores
// them in the exchanges config
func (h *HUOBI) UpdateTradablePairs(forceUpdate bool) error {
	pairs, err := h.FetchTradablePairs(asset.Spot)
	if err != nil {
		return err
	}

	p, err := currency.NewPairsFromStrings(pairs)
	if err != nil {
		return err
	}
	return h.UpdatePairs(p, asset.Spot, false, forceUpdate)
}

// UpdateTicker updates and returns the ticker for a currency pair
func (h *HUOBI) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
	tickers, err := h.GetTickers()
	if err != nil {
		return nil, err
	}
	pairs, err := h.GetEnabledPairs(assetType)
	if err != nil {
		return nil, err
	}
	for i := range pairs {
		for j := range tickers.Data {
			pairFmt, err := h.FormatExchangeCurrency(pairs[i], assetType)
			if err != nil {
				return nil, err
			}

			if pairFmt.String() != tickers.Data[j].Symbol {
				continue
			}

			err = ticker.ProcessTicker(&ticker.Price{
				High:         tickers.Data[j].High,
				Low:          tickers.Data[j].Low,
				Volume:       tickers.Data[j].Volume,
				Open:         tickers.Data[j].Open,
				Close:        tickers.Data[j].Close,
				Pair:         pairs[i],
				ExchangeName: h.Name,
				AssetType:    assetType})
			if err != nil {
				return nil, err
			}
		}
	}

	return ticker.GetTicker(h.Name, p, assetType)
}

// FetchTicker returns the ticker for a currency pair
func (h *HUOBI) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
	tickerNew, err := ticker.GetTicker(h.Name, p, assetType)
	if err != nil {
		return h.UpdateTicker(p, assetType)
	}
	return tickerNew, nil
}

// FetchOrderbook returns orderbook base on the currency pair
func (h *HUOBI) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
	ob, err := orderbook.Get(h.Name, p, assetType)
	if err != nil {
		return h.UpdateOrderbook(p, assetType)
	}
	return ob, nil
}

// UpdateOrderbook updates and returns the orderbook for a currency pair
func (h *HUOBI) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
	fpair, err := h.FormatExchangeCurrency(p, assetType)
	if err != nil {
		return nil, err
	}
	orderbookNew, err := h.GetDepth(OrderBookDataRequestParams{
		Symbol: fpair.String(),
		Type:   OrderBookDataRequestParamsTypeStep0,
	})
	if err != nil {
		return nil, err
	}

	orderBook := new(orderbook.Base)
	for x := range orderbookNew.Bids {
		orderBook.Bids = append(orderBook.Bids, orderbook.Item{
			Amount: orderbookNew.Bids[x][1],
			Price:  orderbookNew.Bids[x][0],
		})
	}

	for x := range orderbookNew.Asks {
		orderBook.Asks = append(orderBook.Asks, orderbook.Item{
			Amount: orderbookNew.Asks[x][1],
			Price:  orderbookNew.Asks[x][0],
		})
	}

	orderBook.Pair = p
	orderBook.ExchangeName = h.Name
	orderBook.AssetType = assetType

	err = orderBook.Process()
	if err != nil {
		return orderBook, err
	}

	return orderbook.Get(h.Name, p, assetType)
}

// GetAccountID returns the account ID for trades
func (h *HUOBI) GetAccountID() ([]Account, error) {
	acc, err := h.GetAccounts()
	if err != nil {
		return nil, err
	}

	if len(acc) < 1 {
		return nil, errors.New("no account returned")
	}

	return acc, nil
}

// UpdateAccountInfo retrieves balances for all enabled currencies for the
// HUOBI exchange - to-do
func (h *HUOBI) UpdateAccountInfo() (account.Holdings, error) {
	var info account.Holdings
	info.Exchange = h.Name
	if h.Websocket.CanUseAuthenticatedWebsocketForWrapper() {
		resp, err := h.wsGetAccountsList()
		if err != nil {
			return info, err
		}
		var currencyDetails []account.Balance
		for i := range resp.Data {
			if len(resp.Data[i].List) == 0 {
				continue
			}
			currData := account.Balance{
				CurrencyName: currency.NewCode(resp.Data[i].List[0].Currency),
				TotalValue:   resp.Data[i].List[0].Balance,
			}
			if len(resp.Data[i].List) > 1 && resp.Data[i].List[1].Type == "frozen" {
				currData.Hold = resp.Data[i].List[1].Balance
			}
			currencyDetails = append(currencyDetails, currData)
		}
		var acc account.SubAccount
		acc.Currencies = currencyDetails
		info.Accounts = append(info.Accounts, acc)
	} else {
		accounts, err := h.GetAccountID()
		if err != nil {
			return info, err
		}
		for i := range accounts {
			var acc account.SubAccount
			acc.ID = strconv.FormatInt(accounts[i].ID, 10)
			balances, err := h.GetAccountBalance(acc.ID)
			if err != nil {
				return info, err
			}

			var currencyDetails []account.Balance
			for j := range balances {
				var frozen bool
				if balances[j].Type == "frozen" {
					frozen = true
				}

				var updated bool
				for i := range currencyDetails {
					if currencyDetails[i].CurrencyName == currency.NewCode(balances[j].Currency) {
						if frozen {
							currencyDetails[i].Hold = balances[j].Balance
						} else {
							currencyDetails[i].TotalValue = balances[j].Balance
						}
						updated = true
					}
				}

				if updated {
					continue
				}

				if frozen {
					currencyDetails = append(currencyDetails,
						account.Balance{
							CurrencyName: currency.NewCode(balances[j].Currency),
							Hold:         balances[j].Balance,
						})
				} else {
					currencyDetails = append(currencyDetails,
						account.Balance{
							CurrencyName: currency.NewCode(balances[j].Currency),
							TotalValue:   balances[j].Balance,
						})
				}
			}

			acc.Currencies = currencyDetails
			info.Accounts = append(info.Accounts, acc)
		}
	}

	err := account.Process(&info)
	if err != nil {
		return account.Holdings{}, err
	}

	return info, nil
}

// FetchAccountInfo retrieves balances for all enabled currencies
func (h *HUOBI) FetchAccountInfo() (account.Holdings, error) {
	acc, err := account.GetHoldings(h.Name)
	if err != nil {
		return h.UpdateAccountInfo()
	}

	return acc, nil
}

// GetFundingHistory returns funding history, deposits and
// withdrawals
func (h *HUOBI) GetFundingHistory() ([]exchange.FundHistory, error) {
	return nil, common.ErrFunctionNotSupported
}

// GetExchangeHistory returns historic trade data within the timeframe provided.
func (h *HUOBI) GetExchangeHistory(p currency.Pair, assetType asset.Item, timestampStart, timestampEnd time.Time) ([]exchange.TradeHistory, error) {
	return nil, common.ErrNotYetImplemented
}

// SubmitOrder submits a new order
func (h *HUOBI) SubmitOrder(s *order.Submit) (order.SubmitResponse, error) {
	var submitOrderResponse order.SubmitResponse
	if err := s.Validate(); err != nil {
		return submitOrderResponse, err
	}

	accountID, err := strconv.ParseInt(s.ClientID, 10, 64)
	if err != nil {
		return submitOrderResponse, err
	}

	p, err := h.FormatExchangeCurrency(s.Pair, s.AssetType)
	if err != nil {
		return submitOrderResponse, err
	}

	var formattedType SpotNewOrderRequestParamsType
	var params = SpotNewOrderRequestParams{
		Amount:    s.Amount,
		Source:    "api",
		Symbol:    p.String(),
		AccountID: int(accountID),
	}

	switch {
	case s.Side == order.Buy && s.Type == order.Market:
		formattedType = SpotNewOrderRequestTypeBuyMarket
	case s.Side == order.Sell && s.Type == order.Market:
		formattedType = SpotNewOrderRequestTypeSellMarket
	case s.Side == order.Buy && s.Type == order.Limit:
		formattedType = SpotNewOrderRequestTypeBuyLimit
		params.Price = s.Price
	case s.Side == order.Sell && s.Type == order.Limit:
		formattedType = SpotNewOrderRequestTypeSellLimit
		params.Price = s.Price
	}

	params.Type = formattedType
	response, err := h.SpotNewOrder(params)
	if err != nil {
		return submitOrderResponse, err
	}
	if response > 0 {
		submitOrderResponse.OrderID = strconv.FormatInt(response, 10)
	}

	submitOrderResponse.IsOrderPlaced = true
	if s.Type == order.Market {
		submitOrderResponse.FullyMatched = true
	}
	return submitOrderResponse, nil
}

// ModifyOrder will allow of changing orderbook placement and limit to
// market conversion
func (h *HUOBI) ModifyOrder(action *order.Modify) (string, error) {
	return "", common.ErrFunctionNotSupported
}

// CancelOrder cancels an order by its corresponding ID number
func (h *HUOBI) CancelOrder(o *order.Cancel) error {
	if err := o.Validate(o.StandardCancel()); err != nil {
		return err
	}

	orderIDInt, err := strconv.ParseInt(o.ID, 10, 64)
	if err != nil {
		return err
	}

	_, err = h.CancelExistingOrder(orderIDInt)
	return err
}

// CancelAllOrders cancels all orders associated with a currency pair
func (h *HUOBI) CancelAllOrders(orderCancellation *order.Cancel) (order.CancelAllResponse, error) {
	if err := orderCancellation.Validate(); err != nil {
		return order.CancelAllResponse{}, err
	}
	var cancelAllOrdersResponse order.CancelAllResponse
	enabledPairs, err := h.GetEnabledPairs(asset.Spot)
	if err != nil {
		return cancelAllOrdersResponse, err
	}
	for i := range enabledPairs {
		fpair, err := h.FormatExchangeCurrency(enabledPairs[i], asset.Spot)
		if err != nil {
			return cancelAllOrdersResponse, err
		}

		resp, err := h.CancelOpenOrdersBatch(orderCancellation.AccountID,
			fpair.String())
		if err != nil {
			return cancelAllOrdersResponse, err
		}

		if resp.Data.FailedCount > 0 {
			return cancelAllOrdersResponse,
				fmt.Errorf("%v orders failed to cancel",
					resp.Data.FailedCount)
		}

		if resp.Status == "error" {
			return cancelAllOrdersResponse, errors.New(resp.ErrorMessage)
		}
	}

	return cancelAllOrdersResponse, nil
}

// GetOrderInfo returns order information based on order ID
func (h *HUOBI) GetOrderInfo(orderID string, pair currency.Pair, assetType asset.Item) (order.Detail, error) {
	var orderDetail order.Detail
	var respData *OrderInfo
	if h.Websocket.CanUseAuthenticatedWebsocketForWrapper() {
		resp, err := h.wsGetOrderDetails(orderID)
		if err != nil {
			return orderDetail, err
		}
		respData = &resp.Data
	} else {
		oID, err := strconv.ParseInt(orderID, 10, 64)
		if err != nil {
			return orderDetail, err
		}
		resp, err := h.GetOrder(oID)
		if err != nil {
			return orderDetail, err
		}
		respData = &resp
	}
	if respData.ID == 0 {
		return orderDetail, fmt.Errorf("%s - order not found for orderid %s", h.Name, orderID)
	}
	var responseID = strconv.FormatInt(respData.ID, 10)
	if responseID != orderID {
		return orderDetail, errors.New(h.Name + " - GetOrderInfo orderID mismatch. Expected: " +
			orderID + " Received: " + responseID)
	}
	typeDetails := strings.Split(respData.Type, "-")
	orderSide, err := order.StringToOrderSide(typeDetails[0])
	if err != nil {
		if h.Websocket.IsConnected() {
			h.Websocket.DataHandler <- order.ClassificationError{
				Exchange: h.Name,
				OrderID:  orderID,
				Err:      err,
			}
		} else {
			return orderDetail, err
		}
	}
	orderType, err := order.StringToOrderType(typeDetails[1])
	if err != nil {
		if h.Websocket.IsConnected() {
			h.Websocket.DataHandler <- order.ClassificationError{
				Exchange: h.Name,
				OrderID:  orderID,
				Err:      err,
			}
		} else {
			return orderDetail, err
		}
	}
	orderStatus, err := order.StringToOrderStatus(respData.State)
	if err != nil {
		if h.Websocket.IsConnected() {
			h.Websocket.DataHandler <- order.ClassificationError{
				Exchange: h.Name,
				OrderID:  orderID,
				Err:      err,
			}
		} else {
			return orderDetail, err
		}
	}
	var p currency.Pair
	var a asset.Item
	p, a, err = h.GetRequestFormattedPairAndAssetType(respData.Symbol)
	if err != nil {
		return orderDetail, err
	}
	orderDetail = order.Detail{
		Exchange:       h.Name,
		ID:             orderID,
		AccountID:      strconv.FormatInt(respData.AccountID, 10),
		Pair:           p,
		Type:           orderType,
		Side:           orderSide,
		Date:           time.Unix(0, respData.CreatedAt*int64(time.Millisecond)),
		Status:         orderStatus,
		Price:          respData.Price,
		Amount:         respData.Amount,
		ExecutedAmount: respData.FilledAmount,
		Fee:            respData.FilledFees,
		AssetType:      a,
	}
	return orderDetail, nil
}

// GetDepositAddress returns a deposit address for a specified currency
func (h *HUOBI) GetDepositAddress(cryptocurrency currency.Code, accountID string) (string, error) {
	resp, err := h.QueryDepositAddress(cryptocurrency.Lower().String())
	return resp.Address, err
}

// WithdrawCryptocurrencyFunds returns a withdrawal ID when a withdrawal is
// submitted
func (h *HUOBI) WithdrawCryptocurrencyFunds(withdrawRequest *withdraw.Request) (*withdraw.ExchangeResponse, error) {
	if err := withdrawRequest.Validate(); err != nil {
		return nil, err
	}

	resp, err := h.Withdraw(withdrawRequest.Currency,
		withdrawRequest.Crypto.Address,
		withdrawRequest.Crypto.AddressTag,
		withdrawRequest.Amount,
		withdrawRequest.Crypto.FeeAmount)
	if err != nil {
		return nil, err
	}
	return &withdraw.ExchangeResponse{
		ID: strconv.FormatInt(resp, 10),
	}, err
}

// WithdrawFiatFunds returns a withdrawal ID when a
// withdrawal is submitted
func (h *HUOBI) WithdrawFiatFunds(withdrawRequest *withdraw.Request) (*withdraw.ExchangeResponse, error) {
	return nil, common.ErrFunctionNotSupported
}

// WithdrawFiatFundsToInternationalBank returns a withdrawal ID when a
// withdrawal is submitted
func (h *HUOBI) WithdrawFiatFundsToInternationalBank(withdrawRequest *withdraw.Request) (*withdraw.ExchangeResponse, error) {
	return nil, common.ErrFunctionNotSupported
}

// GetFeeByType returns an estimate of fee based on type of transaction
func (h *HUOBI) GetFeeByType(feeBuilder *exchange.FeeBuilder) (float64, error) {
	if !h.AllowAuthenticatedRequest() && // Todo check connection status
		feeBuilder.FeeType == exchange.CryptocurrencyTradeFee {
		feeBuilder.FeeType = exchange.OfflineTradeFee
	}
	return h.GetFee(feeBuilder)
}

// GetActiveOrders retrieves any orders that are active/open
func (h *HUOBI) GetActiveOrders(req *order.GetOrdersRequest) ([]order.Detail, error) {
	if err := req.Validate(); err != nil {
		return nil, err
	}

	if len(req.Pairs) == 0 {
		return nil, errors.New("currency must be supplied")
	}

	side := ""
	if req.Side == order.AnySide || req.Side == "" {
		side = ""
	} else if req.Side == order.Sell {
		side = req.Side.Lower()
	}

	var orders []order.Detail

	if h.Websocket.CanUseAuthenticatedWebsocketForWrapper() {
		for i := range req.Pairs {
			resp, err := h.wsGetOrdersList(-1, req.Pairs[i])
			if err != nil {
				return orders, err
			}
			for j := range resp.Data {
				sideData := strings.Split(resp.Data[j].OrderState, "-")
				side = sideData[0]
				var orderID = strconv.FormatInt(resp.Data[j].OrderID, 10)
				orderSide, err := order.StringToOrderSide(side)
				if err != nil {
					h.Websocket.DataHandler <- order.ClassificationError{
						Exchange: h.Name,
						OrderID:  orderID,
						Err:      err,
					}
				}
				orderType, err := order.StringToOrderType(sideData[1])
				if err != nil {
					h.Websocket.DataHandler <- order.ClassificationError{
						Exchange: h.Name,
						OrderID:  orderID,
						Err:      err,
					}
				}
				orderStatus, err := order.StringToOrderStatus(resp.Data[j].OrderState)
				if err != nil {
					h.Websocket.DataHandler <- order.ClassificationError{
						Exchange: h.Name,
						OrderID:  orderID,
						Err:      err,
					}
				}
				orders = append(orders, order.Detail{
					Exchange:        h.Name,
					AccountID:       strconv.FormatInt(resp.Data[j].AccountID, 10),
					ID:              orderID,
					Pair:            req.Pairs[i],
					Type:            orderType,
					Side:            orderSide,
					Date:            time.Unix(0, resp.Data[j].CreatedAt*int64(time.Millisecond)),
					Status:          orderStatus,
					Price:           resp.Data[j].Price,
					Amount:          resp.Data[j].OrderAmount,
					ExecutedAmount:  resp.Data[j].FilledAmount,
					RemainingAmount: resp.Data[j].UnfilledAmount,
					Fee:             resp.Data[j].FilledFees,
				})
			}
		}
	} else {
		for i := range req.Pairs {
			p, err := h.FormatExchangeCurrency(req.Pairs[i], asset.Spot)
			if err != nil {
				return nil, err
			}

			resp, err := h.GetOpenOrders(h.API.Credentials.ClientID,
				p.String(),
				side,
				500)
			if err != nil {
				return nil, err
			}

			for x := range resp {
				orderDetail := order.Detail{
					ID:             strconv.FormatInt(resp[x].ID, 10),
					Price:          resp[x].Price,
					Amount:         resp[x].Amount,
					Pair:           req.Pairs[i],
					Exchange:       h.Name,
					ExecutedAmount: resp[x].FilledAmount,
					Date:           time.Unix(0, resp[x].CreatedAt*int64(time.Millisecond)),
					Status:         order.Status(resp[x].State),
					AccountID:      strconv.FormatInt(resp[x].AccountID, 10),
					Fee:            resp[x].FilledFees,
				}

				setOrderSideAndType(resp[x].Type, &orderDetail)

				orders = append(orders, orderDetail)
			}
		}
	}

	order.FilterOrdersByTickRange(&orders, req.StartTicks, req.EndTicks)
	return orders, nil
}

// GetOrderHistory retrieves account order information
// Can Limit response to specific order status
func (h *HUOBI) GetOrderHistory(req *order.GetOrdersRequest) ([]order.Detail, error) {
	if err := req.Validate(); err != nil {
		return nil, err
	}

	if len(req.Pairs) == 0 {
		return nil, errors.New("currency must be supplied")
	}

	states := "partial-canceled,filled,canceled"
	var orders []order.Detail
	for i := range req.Pairs {
		p, err := h.FormatExchangeCurrency(req.Pairs[i], asset.Spot)
		if err != nil {
			return nil, err
		}

		resp, err := h.GetOrders(
			p.String(),
			"",
			"",
			"",
			states,
			"",
			"",
			"")
		if err != nil {
			return nil, err
		}

		for x := range resp {
			orderDetail := order.Detail{
				ID:             strconv.FormatInt(resp[x].ID, 10),
				Price:          resp[x].Price,
				Amount:         resp[x].Amount,
				Pair:           req.Pairs[i],
				Exchange:       h.Name,
				ExecutedAmount: resp[x].FilledAmount,
				Date:           time.Unix(0, resp[x].CreatedAt*int64(time.Millisecond)),
				Status:         order.Status(resp[x].State),
				AccountID:      strconv.FormatInt(resp[x].AccountID, 10),
				Fee:            resp[x].FilledFees,
			}

			setOrderSideAndType(resp[x].Type, &orderDetail)

			orders = append(orders, orderDetail)
		}
	}

	order.FilterOrdersByTickRange(&orders, req.StartTicks, req.EndTicks)
	return orders, nil
}

func setOrderSideAndType(requestType string, orderDetail *order.Detail) {
	switch SpotNewOrderRequestParamsType(requestType) {
	case SpotNewOrderRequestTypeBuyMarket:
		orderDetail.Side = order.Buy
		orderDetail.Type = order.Market
	case SpotNewOrderRequestTypeSellMarket:
		orderDetail.Side = order.Sell
		orderDetail.Type = order.Market
	case SpotNewOrderRequestTypeBuyLimit:
		orderDetail.Side = order.Buy
		orderDetail.Type = order.Limit
	case SpotNewOrderRequestTypeSellLimit:
		orderDetail.Side = order.Sell
		orderDetail.Type = order.Limit
	}
}

// AuthenticateWebsocket sends an authentication message to the websocket
func (h *HUOBI) AuthenticateWebsocket() error {
	return h.wsLogin()
}

// ValidateCredentials validates current credentials used for wrapper
// functionality
func (h *HUOBI) ValidateCredentials() error {
	_, err := h.UpdateAccountInfo()
	return h.CheckTransientError(err)
}

// FormatExchangeKlineInterval returns Interval to exchange formatted string
func (h *HUOBI) FormatExchangeKlineInterval(in kline.Interval) string {
	switch in {
	case kline.OneMin, kline.FiveMin, kline.FifteenMin, kline.ThirtyMin:
		return in.Short() + "in"
	case kline.FourHour:
		return "4hour"
	case kline.OneDay:
		return "1day"
	case kline.OneMonth:
		return "1mon"
	case kline.OneWeek:
		return "1week"
	case kline.OneYear:
		return "1year"
	}
	return ""
}

// GetHistoricCandles returns candles between a time period for a set time interval
func (h *HUOBI) GetHistoricCandles(pair currency.Pair, a asset.Item, start, end time.Time, interval kline.Interval) (kline.Item, error) {
	if err := h.ValidateKline(pair, a, interval); err != nil {
		return kline.Item{}, err
	}

	formattedPair, err := h.FormatExchangeCurrency(pair, a)
	if err != nil {
		return kline.Item{}, err
	}

	klineParams := KlinesRequestParams{
		Period: h.FormatExchangeKlineInterval(interval),
		Symbol: formattedPair.String(),
	}

	candles, err := h.GetSpotKline(klineParams)
	if err != nil {
		return kline.Item{}, err
	}

	ret := kline.Item{
		Exchange: h.Name,
		Pair:     pair,
		Asset:    a,
		Interval: interval,
	}

	for x := range candles {
		if time.Unix(candles[x].ID, 0).Before(start) ||
			time.Unix(candles[x].ID, 0).After(end) {
			continue
		}
		ret.Candles = append(ret.Candles, kline.Candle{
			Time:   time.Unix(candles[x].ID, 0),
			Open:   candles[x].Open,
			High:   candles[x].High,
			Low:    candles[x].Low,
			Close:  candles[x].Close,
			Volume: candles[x].Volume,
		})
	}

	ret.SortCandlesByTimestamp(false)
	return ret, nil
}

// GetHistoricCandlesExtended returns candles between a time period for a set time interval
func (h *HUOBI) GetHistoricCandlesExtended(pair currency.Pair, a asset.Item, start, end time.Time, interval kline.Interval) (kline.Item, error) {
	return h.GetHistoricCandles(pair, a, start, end, interval)
}