ccxt-go/bybit_wrapper.go

package ccxt

type Bybit struct {
   *bybit
   Core *bybit
}

func NewBybit(userConfig map[string]interface{}) Bybit {
   p := &bybit{}
   p.Init(userConfig)
   return Bybit{
       bybit: p,
       Core:  p,
   }
}

// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code


/**
 * @method
 * @name bybit#fetchTime
 * @description fetches the current integer timestamp in milliseconds from the exchange server
 * @see https://bybit-exchange.github.io/docs/v5/market/time
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int} the current integer timestamp in milliseconds from the exchange server
 */
func (this *Bybit) FetchTime(params ...interface{}) ( int64, error) {
    res := <- this.Core.FetchTime(params...)
    if IsError(res) {
        return -1, CreateReturnError(res)
    }
    return (res).(int64), nil
}
/**
 * @method
 * @name bybit#fetchMarkets
 * @description retrieves data on all markets for bybit
 * @see https://bybit-exchange.github.io/docs/v5/market/instrument
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} an array of objects representing market data
 */
func (this *Bybit) FetchMarkets(params ...interface{}) ([]MarketInterface, error) {
    res := <- this.Core.FetchMarkets(params...)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewMarketInterfaceArray(res), nil
}
func (this *Bybit) FetchSpotMarkets(params interface{}) ([]MarketInterface, error) {
    res := <- this.Core.FetchSpotMarkets(params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewMarketInterfaceArray(res), nil
}
func (this *Bybit) FetchFutureMarkets(params interface{}) ([]MarketInterface, error) {
    res := <- this.Core.FetchFutureMarkets(params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewMarketInterfaceArray(res), nil
}
func (this *Bybit) FetchOptionMarkets(params interface{}) ([]MarketInterface, error) {
    res := <- this.Core.FetchOptionMarkets(params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewMarketInterfaceArray(res), nil
}
/**
 * @method
 * @name bybit#fetchTicker
 * @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure}
 */
func (this *Bybit) FetchTicker(symbol string, options ...FetchTickerOptions) (Ticker, error) {

    opts := FetchTickerOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchTicker(symbol, params)
    if IsError(res) {
        return Ticker{}, CreateReturnError(res)
    }
    return NewTicker(res), nil
}
/**
 * @method
 * @name bybit#fetchTickers
 * @description fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string[]} symbols unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.subType] *contract only* 'linear', 'inverse'
 * @param {string} [params.baseCoin] *option only* base coin, default is 'BTC'
 * @returns {object} an array of [ticker structures]{@link https://docs.ccxt.com/#/?id=ticker-structure}
 */
func (this *Bybit) FetchTickers(options ...FetchTickersOptions) (Tickers, error) {

    opts := FetchTickersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchTickers(symbols, params)
    if IsError(res) {
        return Tickers{}, CreateReturnError(res)
    }
    return NewTickers(res), nil
}
/**
 * @method
 * @name bybit#fetchBidsAsks
 * @description fetches the bid and ask price and volume for multiple markets
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string[]|undefined} symbols unified symbols of the markets to fetch the bids and asks for, all markets are returned if not assigned
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.subType] *contract only* 'linear', 'inverse'
 * @param {string} [params.baseCoin] *option only* base coin, default is 'BTC'
 * @returns {object} a dictionary of [ticker structures]{@link https://docs.ccxt.com/#/?id=ticker-structure}
 */
func (this *Bybit) FetchBidsAsks(options ...FetchBidsAsksOptions) (Tickers, error) {

    opts := FetchBidsAsksOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchBidsAsks(symbols, params)
    if IsError(res) {
        return Tickers{}, CreateReturnError(res)
    }
    return NewTickers(res), nil
}
/**
 * @method
 * @name bybit#fetchOHLCV
 * @description fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://bybit-exchange.github.io/docs/v5/market/kline
 * @see https://bybit-exchange.github.io/docs/v5/market/mark-kline
 * @see https://bybit-exchange.github.io/docs/v5/market/index-kline
 * @see https://bybit-exchange.github.io/docs/v5/market/preimum-index-kline
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] the latest time in ms to fetch orders for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
func (this *Bybit) FetchOHLCV(symbol string, options ...FetchOHLCVOptions) ([]OHLCV, error) {

    opts := FetchOHLCVOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var timeframe interface{} = nil
    if opts.Timeframe != nil {
        timeframe = *opts.Timeframe
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOHLCV(symbol, timeframe, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOHLCVArray(res), nil
}
/**
 * @method
 * @name bybit#fetchFundingRates
 * @description fetches funding rates for multiple markets
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string[]} symbols unified symbols of the markets to fetch the funding rates for, all market funding rates are returned if not assigned
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [funding rate structures]{@link https://docs.ccxt.com/#/?id=funding-rate-structure}
 */
func (this *Bybit) FetchFundingRates(options ...FetchFundingRatesOptions) (FundingRates, error) {

    opts := FetchFundingRatesOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchFundingRates(symbols, params)
    if IsError(res) {
        return FundingRates{}, CreateReturnError(res)
    }
    return NewFundingRates(res), nil
}
/**
 * @method
 * @name bybit#fetchFundingRateHistory
 * @description fetches historical funding rate prices
 * @see https://bybit-exchange.github.io/docs/v5/market/history-fund-rate
 * @param {string} symbol unified symbol of the market to fetch the funding rate history for
 * @param {int} [since] timestamp in ms of the earliest funding rate to fetch
 * @param {int} [limit] the maximum amount of [funding rate structures]{@link https://docs.ccxt.com/#/?id=funding-rate-history-structure} to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] timestamp in ms of the latest funding rate
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object[]} a list of [funding rate structures]{@link https://docs.ccxt.com/#/?id=funding-rate-history-structure}
 */
func (this *Bybit) FetchFundingRateHistory(options ...FetchFundingRateHistoryOptions) ([]FundingRateHistory, error) {

    opts := FetchFundingRateHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchFundingRateHistory(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewFundingRateHistoryArray(res), nil
}
/**
 * @method
 * @name bybit#fetchTrades
 * @description get the list of most recent trades for a particular symbol
 * @see https://bybit-exchange.github.io/docs/v5/market/recent-trade
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades}
 */
func (this *Bybit) FetchTrades(symbol string, options ...FetchTradesOptions) ([]Trade, error) {

    opts := FetchTradesOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchTrades(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTradeArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOrderBook
 * @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @see https://bybit-exchange.github.io/docs/v5/market/orderbook
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols
 */
func (this *Bybit) FetchOrderBook(symbol string, options ...FetchOrderBookOptions) (OrderBook, error) {

    opts := FetchOrderBookOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrderBook(symbol, limit, params)
    if IsError(res) {
        return OrderBook{}, CreateReturnError(res)
    }
    return NewOrderBook(res), nil
}
/**
 * @method
 * @name bybit#fetchBalance
 * @description query for balance and get the amount of funds available for trading or funds locked in orders
 * @see https://bybit-exchange.github.io/docs/v5/spot-margin-normal/account-info
 * @see https://bybit-exchange.github.io/docs/v5/asset/all-balance
 * @see https://bybit-exchange.github.io/docs/v5/account/wallet-balance
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] wallet type, ['spot', 'swap', 'funding']
 * @returns {object} a [balance structure]{@link https://docs.ccxt.com/#/?id=balance-structure}
 */
func (this *Bybit) FetchBalance(params ...interface{}) (Balances, error) {
    res := <- this.Core.FetchBalance(params...)
    if IsError(res) {
        return Balances{}, CreateReturnError(res)
    }
    return NewBalances(res), nil
}
/**
 * @method
 * @name bybit#createMarketBuyOrderWithCost
 * @description create a market buy order by providing the symbol and cost
 * @see https://bybit-exchange.github.io/docs/v5/order/create-order
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {float} cost how much you want to trade in units of the quote currency
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CreateMarketBuyOrderWithCost(symbol string, cost float64, options ...CreateMarketBuyOrderWithCostOptions) (Order, error) {

    opts := CreateMarketBuyOrderWithCostOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateMarketBuyOrderWithCost(symbol, cost, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
func (this *Bybit) CreateMarketSellOrderWithCost(symbol string, cost float64, options ...CreateMarketSellOrderWithCostOptions) (Order, error) {

    opts := CreateMarketSellOrderWithCostOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateMarketSellOrderWithCost(symbol, cost, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#createOrder
 * @description create a trade order
 * @see https://bybit-exchange.github.io/docs/v5/order/create-order
 * @see https://bybit-exchange.github.io/docs/v5/position/trading-stop
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} type 'market' or 'limit'
 * @param {string} side 'buy' or 'sell'
 * @param {float} amount how much of currency you want to trade in units of base currency
 * @param {float} [price] the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.timeInForce] "GTC", "IOC", "FOK"
 * @param {bool} [params.postOnly] true or false whether the order is post-only
 * @param {bool} [params.reduceOnly] true or false whether the order is reduce-only
 * @param {string} [params.positionIdx] *contracts only* 0 for one-way mode, 1 buy side of hedged mode, 2 sell side of hedged mode
 * @param {bool} [params.hedged] *contracts only* true for hedged mode, false for one way mode, default is false
 * @param {int} [params.isLeverage] *unified spot only* false then spot trading true then margin trading
 * @param {string} [params.tpslMode] *contract only* 'full' or 'partial'
 * @param {string} [params.mmp] *option only* market maker protection
 * @param {string} [params.triggerDirection] *contract only* the direction for trigger orders, 'above' or 'below'
 * @param {float} [params.triggerPrice] The price at which a trigger order is triggered at
 * @param {float} [params.stopLossPrice] The price at which a stop loss order is triggered at
 * @param {float} [params.takeProfitPrice] The price at which a take profit order is triggered at
 * @param {object} [params.takeProfit] *takeProfit object in params* containing the triggerPrice at which the attached take profit order will be triggered
 * @param {float} [params.takeProfit.triggerPrice] take profit trigger price
 * @param {object} [params.stopLoss] *stopLoss object in params* containing the triggerPrice at which the attached stop loss order will be triggered
 * @param {float} [params.stopLoss.triggerPrice] stop loss trigger price
 * @param {string} [params.trailingAmount] the quote amount to trail away from the current market price
 * @param {string} [params.trailingTriggerPrice] the price to trigger a trailing order, default uses the price argument
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CreateOrder(symbol string, typeVar string, side string, amount float64, options ...CreateOrderOptions) (Order, error) {

    opts := CreateOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var price interface{} = nil
    if opts.Price != nil {
        price = *opts.Price
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateOrder(symbol, typeVar, side, amount, price, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#createOrders
 * @description create a list of trade orders
 * @see https://bybit-exchange.github.io/docs/v5/order/batch-place
 * @param {Array} orders list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CreateOrders(orders []OrderRequest, options ...CreateOrdersOptions) ([]Order, error) {

    opts := CreateOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateOrders(orders, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#editOrder
 * @description edit a trade order
 * @see https://bybit-exchange.github.io/docs/v5/order/amend-order
 * @see https://bybit-exchange.github.io/docs/derivatives/unified/replace-order
 * @see https://bybit-exchange.github.io/docs/api-explorer/derivatives/trade/contract/replace-order
 * @param {string} id cancel order id
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} type 'market' or 'limit'
 * @param {string} side 'buy' or 'sell'
 * @param {float} amount how much of currency you want to trade in units of base currency
 * @param {float} price the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {float} [params.triggerPrice] The price that a trigger order is triggered at
 * @param {float} [params.stopLossPrice] The price that a stop loss order is triggered at
 * @param {float} [params.takeProfitPrice] The price that a take profit order is triggered at
 * @param {object} [params.takeProfit] *takeProfit object in params* containing the triggerPrice that the attached take profit order will be triggered
 * @param {float} [params.takeProfit.triggerPrice] take profit trigger price
 * @param {object} [params.stopLoss] *stopLoss object in params* containing the triggerPrice that the attached stop loss order will be triggered
 * @param {float} [params.stopLoss.triggerPrice] stop loss trigger price
 * @param {string} [params.triggerBy] 'IndexPrice', 'MarkPrice' or 'LastPrice', default is 'LastPrice', required if no initial value for triggerPrice
 * @param {string} [params.slTriggerBy] 'IndexPrice', 'MarkPrice' or 'LastPrice', default is 'LastPrice', required if no initial value for stopLoss
 * @param {string} [params.tpTriggerby] 'IndexPrice', 'MarkPrice' or 'LastPrice', default is 'LastPrice', required if no initial value for takeProfit
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) EditOrder(id string, symbol string, typeVar string, side string, options ...EditOrderOptions) (Order, error) {

    opts := EditOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var amount interface{} = nil
    if opts.Amount != nil {
        amount = *opts.Amount
    }

    var price interface{} = nil
    if opts.Price != nil {
        price = *opts.Price
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.EditOrder(id, symbol, typeVar, side, amount, price, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#editOrders
 * @description edit a list of trade orders
 * @see https://bybit-exchange.github.io/docs/v5/order/batch-amend
 * @param {Array} orders list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) EditOrders(orders []OrderRequest, options ...EditOrdersOptions) ([]Order, error) {

    opts := EditOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.EditOrders(orders, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#cancelOrder
 * @description cancels an open order
 * @see https://bybit-exchange.github.io/docs/v5/order/cancel-order
 * @param {string} id order id
 * @param {string} symbol unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] *spot only* whether the order is a trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.orderFilter] *spot only* 'Order' or 'StopOrder' or 'tpslOrder'
 * @returns {object} An [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CancelOrder(id string, options ...CancelOrderOptions) (Order, error) {

    opts := CancelOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CancelOrder(id, symbol, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#cancelOrders
 * @description cancel multiple orders
 * @see https://bybit-exchange.github.io/docs/v5/order/batch-cancel
 * @param {string[]} ids order ids
 * @param {string} symbol unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string[]} [params.clientOrderIds] client order ids
 * @returns {object} an list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CancelOrders(ids interface{}, options ...CancelOrdersOptions) ([]Order, error) {

    opts := CancelOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CancelOrders(ids, symbol, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#cancelAllOrdersAfter
 * @description dead man's switch, cancel all orders after the given timeout
 * @see https://bybit-exchange.github.io/docs/v5/order/dcp
 * @param {number} timeout time in milliseconds
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.product] OPTIONS, DERIVATIVES, SPOT, default is 'DERIVATIVES'
 * @returns {object} the api result
 */
func (this *Bybit) CancelAllOrdersAfter(timeout int64, options ...CancelAllOrdersAfterOptions) (map[string]interface{}, error) {

    opts := CancelAllOrdersAfterOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CancelAllOrdersAfter(timeout, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#cancelOrdersForSymbols
 * @description cancel multiple orders for multiple symbols
 * @see https://bybit-exchange.github.io/docs/v5/order/batch-cancel
 * @param {CancellationRequest[]} orders list of order ids with symbol, example [{"id": "a", "symbol": "BTC/USDT"}, {"id": "b", "symbol": "ETH/USDT"}]
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CancelOrdersForSymbols(orders []CancellationRequest, options ...CancelOrdersForSymbolsOptions) ([]Order, error) {

    opts := CancelOrdersForSymbolsOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CancelOrdersForSymbols(orders, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#cancelAllOrders
 * @description cancel all open orders
 * @see https://bybit-exchange.github.io/docs/v5/order/cancel-all
 * @param {string} symbol unified market symbol, only orders in the market of this symbol are cancelled when symbol is not undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] true if trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.baseCoin] Base coin. Supports linear, inverse & option
 * @param {string} [params.settleCoin] Settle coin. Supports linear, inverse & option
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) CancelAllOrders(options ...CancelAllOrdersOptions) (map[string]interface{}, error) {

    opts := CancelAllOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CancelAllOrders(symbol, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#fetchOrderClassic
 * @description fetches information on an order made by the user *classic accounts only*
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} id the order id
 * @param {string} symbol unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} An [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchOrderClassic(id string, options ...FetchOrderClassicOptions) (Order, error) {

    opts := FetchOrderClassicOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrderClassic(id, symbol, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#fetchOrder
 * @description  *classic accounts only/ spot not supported*  fetches information on an order made by the user *classic accounts only*
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} id the order id
 * @param {string} symbol unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {object} [params.acknowledged] to suppress the warning, set to true
 * @returns {object} An [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchOrder(id string, options ...FetchOrderOptions) (Order, error) {

    opts := FetchOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrder(id, symbol, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
    /**
     * @method
     * @name bybit#fetchOrders
     * @description *classic accounts only/ spot not supported* fetches information on multiple orders made by the user *classic accounts only/ spot not supported*
     * @see https://bybit-exchange.github.io/docs/v5/order/order-list
     * @param {string} symbol unified market symbol of the market orders were made in
     * @param {int} [since] the earliest time in ms to fetch orders for
     * @param {int} [limit] the maximum number of order structures to retrieve
     * @param {object} [params] extra parameters specific to the exchange API endpoint
     * @param {boolean} [params.trigger] true if trigger order
     * @param {boolean} [params.stop] alias for trigger
     * @param {string} [params.type] market type, ['swap', 'option']
     * @param {string} [params.subType] market subType, ['linear', 'inverse']
     * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
     * @param {int} [params.until] the latest time in ms to fetch entries for
     * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
     * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
     */
func (this *Bybit) FetchOrders(options ...FetchOrdersOptions) ([]Order, error) {

    opts := FetchOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrders(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOrdersClassic
 * @description fetches information on multiple orders made by the user *classic accounts only*
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] true if trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchOrdersClassic(options ...FetchOrdersClassicOptions) ([]Order, error) {

    opts := FetchOrdersClassicOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrdersClassic(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchClosedOrder
 * @description fetches information on a closed order made by the user
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} id order id
 * @param {string} [symbol] unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] set to true for fetching a closed trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchClosedOrder(id string, options ...FetchClosedOrderOptions) (Order, error) {

    opts := FetchClosedOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchClosedOrder(id, symbol, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#fetchOpenOrder
 * @description fetches information on an open order made by the user
 * @see https://bybit-exchange.github.io/docs/v5/order/open-order
 * @param {string} id order id
 * @param {string} [symbol] unified symbol of the market the order was made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] set to true for fetching an open trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.baseCoin] Base coin. Supports linear, inverse & option
 * @param {string} [params.settleCoin] Settle coin. Supports linear, inverse & option
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchOpenOrder(id string, options ...FetchOpenOrderOptions) (Order, error) {

    opts := FetchOpenOrderOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOpenOrder(id, symbol, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name bybit#fetchCanceledAndClosedOrders
 * @description fetches information on multiple canceled and closed orders made by the user
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} [symbol] unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] set to true for fetching trigger orders
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchCanceledAndClosedOrders(options ...FetchCanceledAndClosedOrdersOptions) ([]Order, error) {

    opts := FetchCanceledAndClosedOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchCanceledAndClosedOrders(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchClosedOrders
 * @description fetches information on multiple closed orders made by the user
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} [symbol] unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] set to true for fetching closed trigger orders
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchClosedOrders(options ...FetchClosedOrdersOptions) ([]Order, error) {

    opts := FetchClosedOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchClosedOrders(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchCanceledOrders
 * @description fetches information on multiple canceled orders made by the user
 * @see https://bybit-exchange.github.io/docs/v5/order/order-list
 * @param {string} [symbol] unified market symbol of the market orders were made in
 * @param {int} [since] timestamp in ms of the earliest order, default is undefined
 * @param {int} [limit] max number of orders to return, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] true if trigger order
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchCanceledOrders(options ...FetchCanceledOrdersOptions) ([]Order, error) {

    opts := FetchCanceledOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchCanceledOrders(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOpenOrders
 * @description fetch all unfilled currently open orders
 * @see https://bybit-exchange.github.io/docs/v5/order/open-order
 * @param {string} symbol unified market symbol
 * @param {int} [since] the earliest time in ms to fetch open orders for
 * @param {int} [limit] the maximum number of open orders structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.trigger] set to true for fetching open trigger orders
 * @param {boolean} [params.stop] alias for trigger
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.baseCoin] Base coin. Supports linear, inverse & option
 * @param {string} [params.settleCoin] Settle coin. Supports linear, inverse & option
 * @param {string} [params.orderFilter] 'Order' or 'StopOrder' or 'tpslOrder'
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Bybit) FetchOpenOrders(options ...FetchOpenOrdersOptions) ([]Order, error) {

    opts := FetchOpenOrdersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOpenOrders(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOrderTrades
 * @description fetch all the trades made from a single order
 * @see https://bybit-exchange.github.io/docs/v5/position/execution
 * @param {string} id order id
 * @param {string} symbol unified market symbol
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trades to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=trade-structure}
 */
func (this *Bybit) FetchOrderTrades(id string, options ...FetchOrderTradesOptions) ([]Trade, error) {

    opts := FetchOrderTradesOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOrderTrades(id, symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTradeArray(res), nil
}
/**
 * @method
 * @name bybit#fetchMyTrades
 * @description fetch all trades made by the user
 * @see https://bybit-exchange.github.io/docs/api-explorer/v5/position/execution
 * @param {string} symbol unified market symbol
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trades structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=trade-structure}
 */
func (this *Bybit) FetchMyTrades(options ...FetchMyTradesOptions) ([]Trade, error) {

    opts := FetchMyTradesOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchMyTrades(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTradeArray(res), nil
}
/**
 * @method
 * @name bybit#fetchDepositAddressesByNetwork
 * @description fetch a dictionary of addresses for a currency, indexed by network
 * @see https://bybit-exchange.github.io/docs/v5/asset/master-deposit-addr
 * @param {string} code unified currency code of the currency for the deposit address
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a dictionary of [address structures]{@link https://docs.ccxt.com/#/?id=address-structure} indexed by the network
 */
func (this *Bybit) FetchDepositAddressesByNetwork(code string, options ...FetchDepositAddressesByNetworkOptions) ([]DepositAddress, error) {

    opts := FetchDepositAddressesByNetworkOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDepositAddressesByNetwork(code, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewDepositAddressArray(res), nil
}
/**
 * @method
 * @name bybit#fetchDepositAddress
 * @description fetch the deposit address for a currency associated with this account
 * @see https://bybit-exchange.github.io/docs/v5/asset/master-deposit-addr
 * @param {string} code unified currency code
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [address structure]{@link https://docs.ccxt.com/#/?id=address-structure}
 */
func (this *Bybit) FetchDepositAddress(code string, options ...FetchDepositAddressOptions) (DepositAddress, error) {

    opts := FetchDepositAddressOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDepositAddress(code, params)
    if IsError(res) {
        return DepositAddress{}, CreateReturnError(res)
    }
    return NewDepositAddress(res), nil
}
/**
 * @method
 * @name bybit#fetchDeposits
 * @description fetch all deposits made to an account
 * @see https://bybit-exchange.github.io/docs/v5/asset/deposit-record
 * @param {string} code unified currency code
 * @param {int} [since] the earliest time in ms to fetch deposits for, default = 30 days before the current time
 * @param {int} [limit] the maximum number of deposits structures to retrieve, default = 50, max = 50
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] the latest time in ms to fetch deposits for, default = 30 days after since
 * EXCHANGE SPECIFIC PARAMETERS
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @param {string} [params.cursor] used for pagination
 * @returns {object[]} a list of [transaction structures]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Bybit) FetchDeposits(options ...FetchDepositsOptions) ([]Transaction, error) {

    opts := FetchDepositsOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDeposits(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTransactionArray(res), nil
}
/**
 * @method
 * @name bybit#fetchWithdrawals
 * @description fetch all withdrawals made from an account
 * @see https://bybit-exchange.github.io/docs/v5/asset/withdraw-record
 * @param {string} code unified currency code
 * @param {int} [since] the earliest time in ms to fetch withdrawals for
 * @param {int} [limit] the maximum number of withdrawals structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object[]} a list of [transaction structures]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Bybit) FetchWithdrawals(options ...FetchWithdrawalsOptions) ([]Transaction, error) {

    opts := FetchWithdrawalsOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchWithdrawals(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTransactionArray(res), nil
}
/**
 * @method
 * @name bybit#fetchLedger
 * @description fetch the history of changes, actions done by the user or operations that altered the balance of the user
 * @see https://bybit-exchange.github.io/docs/v5/account/transaction-log
 * @see https://bybit-exchange.github.io/docs/v5/account/contract-transaction-log
 * @param {string} [code] unified currency code, default is undefined
 * @param {int} [since] timestamp in ms of the earliest ledger entry, default is undefined
 * @param {int} [limit] max number of ledger entries to return, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @param {string} [params.subType] if inverse will use v5/account/contract-transaction-log
 * @returns {object} a [ledger structure]{@link https://docs.ccxt.com/#/?id=ledger}
 */
func (this *Bybit) FetchLedger(options ...FetchLedgerOptions) ([]LedgerEntry, error) {

    opts := FetchLedgerOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchLedger(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewLedgerEntryArray(res), nil
}
/**
 * @method
 * @name bybit#withdraw
 * @description make a withdrawal
 * @see https://bybit-exchange.github.io/docs/v5/asset/withdraw
 * @param {string} code unified currency code
 * @param {float} amount the amount to withdraw
 * @param {string} address the address to withdraw to
 * @param {string} tag
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [transaction structure]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Bybit) Withdraw(code string, amount float64, address string, options ...WithdrawOptions) (Transaction, error) {

    opts := WithdrawOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var tag interface{} = nil
    if opts.Tag != nil {
        tag = *opts.Tag
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.Withdraw(code, amount, address, tag, params)
    if IsError(res) {
        return Transaction{}, CreateReturnError(res)
    }
    return NewTransaction(res), nil
}
/**
 * @method
 * @name bybit#fetchPosition
 * @description fetch data on a single open contract trade position
 * @see https://bybit-exchange.github.io/docs/v5/position
 * @param {string} symbol unified market symbol of the market the position is held in, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [position structure]{@link https://docs.ccxt.com/#/?id=position-structure}
 */
func (this *Bybit) FetchPosition(symbol string, options ...FetchPositionOptions) (Position, error) {

    opts := FetchPositionOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchPosition(symbol, params)
    if IsError(res) {
        return Position{}, CreateReturnError(res)
    }
    return NewPosition(res), nil
}
/**
 * @method
 * @name bybit#fetchPositions
 * @description fetch all open positions
 * @see https://bybit-exchange.github.io/docs/v5/position
 * @param {string[]} symbols list of unified market symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {string} [params.baseCoin] Base coin. Supports linear, inverse & option
 * @param {string} [params.settleCoin] Settle coin. Supports linear, inverse & option
 * @returns {object[]} a list of [position structure]{@link https://docs.ccxt.com/#/?id=position-structure}
 */
func (this *Bybit) FetchPositions(options ...FetchPositionsOptions) ([]Position, error) {

    opts := FetchPositionsOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchPositions(symbols, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewPositionArray(res), nil
}
/**
 * @method
 * @name bybit#fetchLeverage
 * @description fetch the set leverage for a market
 * @see https://bybit-exchange.github.io/docs/v5/position
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [leverage structure]{@link https://docs.ccxt.com/#/?id=leverage-structure}
 */
func (this *Bybit) FetchLeverage(symbol string, options ...FetchLeverageOptions) (Leverage, error) {

    opts := FetchLeverageOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchLeverage(symbol, params)
    if IsError(res) {
        return Leverage{}, CreateReturnError(res)
    }
    return NewLeverage(res), nil
}
/**
 * @method
 * @name bybit#setMarginMode
 * @description set margin mode (account) or trade mode (symbol)
 * @see https://bybit-exchange.github.io/docs/v5/account/set-margin-mode
 * @see https://bybit-exchange.github.io/docs/v5/position/cross-isolate
 * @param {string} marginMode account mode must be either [isolated, cross, portfolio], trade mode must be either [isolated, cross]
 * @param {string} symbol unified market symbol of the market the position is held in, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.leverage] the rate of leverage, is required if setting trade mode (symbol)
 * @returns {object} response from the exchange
 */
func (this *Bybit) SetMarginMode(marginMode string, options ...SetMarginModeOptions) (map[string]interface{}, error) {

    opts := SetMarginModeOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.SetMarginMode(marginMode, symbol, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#setLeverage
 * @description set the level of leverage for a market
 * @see https://bybit-exchange.github.io/docs/v5/position/leverage
 * @param {float} leverage the rate of leverage
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.buyLeverage] leverage for buy side
 * @param {string} [params.sellLeverage] leverage for sell side
 * @returns {object} response from the exchange
 */
func (this *Bybit) SetLeverage(leverage int64, options ...SetLeverageOptions) (map[string]interface{}, error) {

    opts := SetLeverageOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.SetLeverage(leverage, symbol, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#setPositionMode
 * @description set hedged to true or false for a market
 * @see https://bybit-exchange.github.io/docs/v5/position/position-mode
 * @param {bool} hedged
 * @param {string} symbol used for unified account with inverse market
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} response from the exchange
 */
func (this *Bybit) SetPositionMode(hedged bool, options ...SetPositionModeOptions) (map[string]interface{}, error) {

    opts := SetPositionModeOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.SetPositionMode(hedged, symbol, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
func (this *Bybit) FetchDerivativesOpenInterestHistory(symbol string, options ...FetchDerivativesOpenInterestHistoryOptions) ([]OpenInterest, error) {

    opts := FetchDerivativesOpenInterestHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var timeframe interface{} = nil
    if opts.Timeframe != nil {
        timeframe = *opts.Timeframe
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDerivativesOpenInterestHistory(symbol, timeframe, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOpenInterestArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOpenInterest
 * @description Retrieves the open interest of a derivative trading pair
 * @see https://bybit-exchange.github.io/docs/v5/market/open-interest
 * @param {string} symbol Unified CCXT market symbol
 * @param {object} [params] exchange specific parameters
 * @param {string} [params.interval] 5m, 15m, 30m, 1h, 4h, 1d
 * @param {string} [params.category] "linear" or "inverse"
 * @returns {object} an open interest structure{@link https://docs.ccxt.com/#/?id=open-interest-structure}
 */
func (this *Bybit) FetchOpenInterest(symbol string, options ...FetchOpenInterestOptions) (OpenInterest, error) {

    opts := FetchOpenInterestOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOpenInterest(symbol, params)
    if IsError(res) {
        return OpenInterest{}, CreateReturnError(res)
    }
    return NewOpenInterest(res), nil
}
/**
 * @method
 * @name bybit#fetchOpenInterestHistory
 * @description Gets the total amount of unsettled contracts. In other words, the total number of contracts held in open positions
 * @see https://bybit-exchange.github.io/docs/v5/market/open-interest
 * @param {string} symbol Unified market symbol
 * @param {string} timeframe "5m", 15m, 30m, 1h, 4h, 1d
 * @param {int} [since] Not used by Bybit
 * @param {int} [limit] The number of open interest structures to return. Max 200, default 50
 * @param {object} [params] Exchange specific parameters
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns An array of open interest structures
 */
func (this *Bybit) FetchOpenInterestHistory(symbol string, options ...FetchOpenInterestHistoryOptions) ([]OpenInterest, error) {

    opts := FetchOpenInterestHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var timeframe interface{} = nil
    if opts.Timeframe != nil {
        timeframe = *opts.Timeframe
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOpenInterestHistory(symbol, timeframe, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewOpenInterestArray(res), nil
}
/**
 * @method
 * @name bybit#fetchCrossBorrowRate
 * @description fetch the rate of interest to borrow a currency for margin trading
 * @see https://bybit-exchange.github.io/docs/zh-TW/v5/spot-margin-normal/interest-quota
 * @param {string} code unified currency code
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [borrow rate structure]{@link https://docs.ccxt.com/#/?id=borrow-rate-structure}
 */
func (this *Bybit) FetchCrossBorrowRate(code string, options ...FetchCrossBorrowRateOptions) (CrossBorrowRate, error) {

    opts := FetchCrossBorrowRateOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchCrossBorrowRate(code, params)
    if IsError(res) {
        return CrossBorrowRate{}, CreateReturnError(res)
    }
    return NewCrossBorrowRate(res), nil
}
/**
 * @method
 * @name bybit#fetchBorrowInterest
 * @description fetch the interest owed by the user for borrowing currency for margin trading
 * @see https://bybit-exchange.github.io/docs/zh-TW/v5/spot-margin-normal/account-info
 * @param {string} code unified currency code
 * @param {string} symbol unified market symbol when fetch interest in isolated markets
 * @param {number} [since] the earliest time in ms to fetch borrrow interest for
 * @param {number} [limit] the maximum number of structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [borrow interest structures]{@link https://docs.ccxt.com/#/?id=borrow-interest-structure}
 */
func (this *Bybit) FetchBorrowInterest(options ...FetchBorrowInterestOptions) ([]BorrowInterest, error) {

    opts := FetchBorrowInterestOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchBorrowInterest(code, symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewBorrowInterestArray(res), nil
}
/**
 * @method
 * @name bybit#fetchBorrowRateHistory
 * @description retrieves a history of a currencies borrow interest rate at specific time slots
 * @see https://bybit-exchange.github.io/docs/v5/spot-margin-uta/historical-interest
 * @param {string} code unified currency code
 * @param {int} [since] timestamp for the earliest borrow rate
 * @param {int} [limit] the maximum number of [borrow rate structures]{@link https://docs.ccxt.com/#/?id=borrow-rate-structure} to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @returns {object[]} an array of [borrow rate structures]{@link https://docs.ccxt.com/#/?id=borrow-rate-structure}
 */
func (this *Bybit) FetchBorrowRateHistory(code string, options ...FetchBorrowRateHistoryOptions) (map[string]interface{}, error) {

    opts := FetchBorrowRateHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchBorrowRateHistory(code, since, limit, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#transfer
 * @description transfer currency internally between wallets on the same account
 * @see https://bybit-exchange.github.io/docs/v5/asset/create-inter-transfer
 * @param {string} code unified currency code
 * @param {float} amount amount to transfer
 * @param {string} fromAccount account to transfer from
 * @param {string} toAccount account to transfer to
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.transferId] UUID, which is unique across the platform
 * @returns {object} a [transfer structure]{@link https://docs.ccxt.com/#/?id=transfer-structure}
 */
func (this *Bybit) Transfer(code string, amount float64, fromAccount string, toAccount string, options ...TransferOptions) (TransferEntry, error) {

    opts := TransferOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.Transfer(code, amount, fromAccount, toAccount, params)
    if IsError(res) {
        return TransferEntry{}, CreateReturnError(res)
    }
    return NewTransferEntry(res), nil
}
/**
 * @method
 * @name bybit#fetchTransfers
 * @description fetch a history of internal transfers made on an account
 * @see https://bybit-exchange.github.io/docs/v5/asset/inter-transfer-list
 * @param {string} code unified currency code of the currency transferred
 * @param {int} [since] the earliest time in ms to fetch transfers for
 * @param {int} [limit] the maximum number of transfer structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.until] the latest time in ms to fetch entries for
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object[]} a list of [transfer structures]{@link https://docs.ccxt.com/#/?id=transfer-structure}
 */
func (this *Bybit) FetchTransfers(options ...FetchTransfersOptions) ([]TransferEntry, error) {

    opts := FetchTransfersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchTransfers(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTransferEntryArray(res), nil
}
func (this *Bybit) FetchDerivativesMarketLeverageTiers(symbol string, options ...FetchDerivativesMarketLeverageTiersOptions) ([]LeverageTier, error) {

    opts := FetchDerivativesMarketLeverageTiersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDerivativesMarketLeverageTiers(symbol, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewLeverageTierArray(res), nil
}
/**
 * @method
 * @name bybit#fetchMarketLeverageTiers
 * @description retrieve information on the maximum leverage, and maintenance margin for trades of varying trade sizes for a single market
 * @see https://bybit-exchange.github.io/docs/v5/market/risk-limit
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [leverage tiers structure]{@link https://docs.ccxt.com/#/?id=leverage-tiers-structure}
 */
func (this *Bybit) FetchMarketLeverageTiers(symbol string, options ...FetchMarketLeverageTiersOptions) ([]LeverageTier, error) {

    opts := FetchMarketLeverageTiersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchMarketLeverageTiers(symbol, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewLeverageTierArray(res), nil
}
/**
 * @method
 * @name bybit#fetchTradingFee
 * @description fetch the trading fees for a market
 * @see https://bybit-exchange.github.io/docs/v5/account/fee-rate
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [fee structure]{@link https://docs.ccxt.com/#/?id=fee-structure}
 */
func (this *Bybit) FetchTradingFee(symbol string, options ...FetchTradingFeeOptions) (TradingFeeInterface, error) {

    opts := FetchTradingFeeOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchTradingFee(symbol, params)
    if IsError(res) {
        return TradingFeeInterface{}, CreateReturnError(res)
    }
    return NewTradingFeeInterface(res), nil
}
/**
 * @method
 * @name bybit#fetchTradingFees
 * @description fetch the trading fees for multiple markets
 * @see https://bybit-exchange.github.io/docs/v5/account/fee-rate
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @returns {object} a dictionary of [fee structures]{@link https://docs.ccxt.com/#/?id=fee-structure} indexed by market symbols
 */
func (this *Bybit) FetchTradingFees(params ...interface{}) (TradingFees, error) {
    res := <- this.Core.FetchTradingFees(params...)
    if IsError(res) {
        return TradingFees{}, CreateReturnError(res)
    }
    return NewTradingFees(res), nil
}
/**
 * @method
 * @name bybit#fetchDepositWithdrawFees
 * @description fetch deposit and withdraw fees
 * @see https://bybit-exchange.github.io/docs/v5/asset/coin-info
 * @param {string[]} codes list of unified currency codes
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a list of [fee structures]{@link https://docs.ccxt.com/#/?id=fee-structure}
 */
func (this *Bybit) FetchDepositWithdrawFees(options ...FetchDepositWithdrawFeesOptions) (map[string]interface{}, error) {

    opts := FetchDepositWithdrawFeesOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var codes interface{} = nil
    if opts.Codes != nil {
        codes = *opts.Codes
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchDepositWithdrawFees(codes, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#fetchSettlementHistory
 * @description fetches historical settlement records
 * @see https://bybit-exchange.github.io/docs/v5/market/delivery-price
 * @param {string} symbol unified market symbol of the settlement history
 * @param {int} [since] timestamp in ms
 * @param {int} [limit] number of records
 * @param {object} [params] exchange specific params
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @returns {object[]} a list of [settlement history objects]
 */
func (this *Bybit) FetchSettlementHistory(options ...FetchSettlementHistoryOptions) (map[string]interface{}, error) {

    opts := FetchSettlementHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchSettlementHistory(symbol, since, limit, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#fetchMySettlementHistory
 * @description fetches historical settlement records of the user
 * @see https://bybit-exchange.github.io/docs/v5/asset/delivery
 * @param {string} symbol unified market symbol of the settlement history
 * @param {int} [since] timestamp in ms
 * @param {int} [limit] number of records
 * @param {object} [params] exchange specific params
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @returns {object[]} a list of [settlement history objects]
 */
func (this *Bybit) FetchMySettlementHistory(options ...FetchMySettlementHistoryOptions) (map[string]interface{}, error) {

    opts := FetchMySettlementHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchMySettlementHistory(symbol, since, limit, params)
    if IsError(res) {
        return map[string]interface{}{}, CreateReturnError(res)
    }
    return res.(map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#fetchVolatilityHistory
 * @description fetch the historical volatility of an option market based on an underlying asset
 * @see https://bybit-exchange.github.io/docs/v5/market/iv
 * @param {string} code unified currency code
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.period] the period in days to fetch the volatility for: 7,14,21,30,60,90,180,270
 * @returns {object[]} a list of [volatility history objects]{@link https://docs.ccxt.com/#/?id=volatility-structure}
 */
func (this *Bybit) FetchVolatilityHistory(code string, options ...FetchVolatilityHistoryOptions) ([]map[string]interface{}, error) {

    opts := FetchVolatilityHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchVolatilityHistory(code, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return res.([]map[string]interface{}), nil
}
/**
 * @method
 * @name bybit#fetchGreeks
 * @description fetches an option contracts greeks, financial metrics used to measure the factors that affect the price of an options contract
 * @see https://bybit-exchange.github.io/docs/api-explorer/v5/market/tickers
 * @param {string} symbol unified symbol of the market to fetch greeks for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [greeks structure]{@link https://docs.ccxt.com/#/?id=greeks-structure}
 */
func (this *Bybit) FetchGreeks(symbol string, options ...FetchGreeksOptions) (Greeks, error) {

    opts := FetchGreeksOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchGreeks(symbol, params)
    if IsError(res) {
        return Greeks{}, CreateReturnError(res)
    }
    return NewGreeks(res), nil
}
/**
 * @method
 * @name bybit#fetchMyLiquidations
 * @description retrieves the users liquidated positions
 * @see https://bybit-exchange.github.io/docs/api-explorer/v5/position/execution
 * @param {string} [symbol] unified CCXT market symbol
 * @param {int} [since] the earliest time in ms to fetch liquidations for
 * @param {int} [limit] the maximum number of liquidation structures to retrieve
 * @param {object} [params] exchange specific parameters for the exchange API endpoint
 * @param {string} [params.type] market type, ['swap', 'option', 'spot']
 * @param {string} [params.subType] market subType, ['linear', 'inverse']
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object} an array of [liquidation structures]{@link https://docs.ccxt.com/#/?id=liquidation-structure}
 */
func (this *Bybit) FetchMyLiquidations(options ...FetchMyLiquidationsOptions) ([]Liquidation, error) {

    opts := FetchMyLiquidationsOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchMyLiquidations(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewLiquidationArray(res), nil
}
/**
 * @method
 * @name bybit#fetchLeverageTiers
 * @description retrieve information on the maximum leverage, for different trade sizes
 * @see https://bybit-exchange.github.io/docs/v5/market/risk-limit
 * @param {string[]} [symbols] a list of unified market symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.subType] market subType, ['linear', 'inverse'], default is 'linear'
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object} a dictionary of [leverage tiers structures]{@link https://docs.ccxt.com/#/?id=leverage-tiers-structure}, indexed by market symbols
 */
func (this *Bybit) FetchLeverageTiers(options ...FetchLeverageTiersOptions) (LeverageTiers, error) {

    opts := FetchLeverageTiersOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchLeverageTiers(symbols, params)
    if IsError(res) {
        return LeverageTiers{}, CreateReturnError(res)
    }
    return NewLeverageTiers(res), nil
}
/**
 * @method
 * @name bybit#fetchFundingHistory
 * @description fetch the history of funding payments paid and received on this account
 * @see https://bybit-exchange.github.io/docs/api-explorer/v5/position/execution
 * @param {string} [symbol] unified market symbol
 * @param {int} [since] the earliest time in ms to fetch funding history for
 * @param {int} [limit] the maximum number of funding history structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} [params.paginate] default false, when true will automatically paginate by calling this endpoint multiple times. See in the docs all the [available parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
 * @returns {object} a [funding history structure]{@link https://docs.ccxt.com/#/?id=funding-history-structure}
 */
func (this *Bybit) FetchFundingHistory(options ...FetchFundingHistoryOptions) ([]FundingHistory, error) {

    opts := FetchFundingHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchFundingHistory(symbol, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewFundingHistoryArray(res), nil
}
/**
 * @method
 * @name bybit#fetchOption
 * @description fetches option data that is commonly found in an option chain
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [option chain structure]{@link https://docs.ccxt.com/#/?id=option-chain-structure}
 */
func (this *Bybit) FetchOption(symbol string, options ...FetchOptionOptions) (Option, error) {

    opts := FetchOptionOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOption(symbol, params)
    if IsError(res) {
        return Option{}, CreateReturnError(res)
    }
    return NewOption(res), nil
}
/**
 * @method
 * @name bybit#fetchOptionChain
 * @description fetches data for an underlying asset that is commonly found in an option chain
 * @see https://bybit-exchange.github.io/docs/v5/market/tickers
 * @param {string} code base currency to fetch an option chain for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a list of [option chain structures]{@link https://docs.ccxt.com/#/?id=option-chain-structure}
 */
func (this *Bybit) FetchOptionChain(code string, options ...FetchOptionChainOptions) (OptionChain, error) {

    opts := FetchOptionChainOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchOptionChain(code, params)
    if IsError(res) {
        return OptionChain{}, CreateReturnError(res)
    }
    return NewOptionChain(res), nil
}
/**
 * @method
 * @name bybit#fetchPositionsHistory
 * @description fetches historical positions
 * @see https://bybit-exchange.github.io/docs/v5/position/close-pnl
 * @param {string[]} symbols a list of unified market symbols
 * @param {int} [since] timestamp in ms of the earliest position to fetch, params["until"] - since <= 7 days
 * @param {int} [limit] the maximum amount of records to fetch, default=50, max=100
 * @param {object} params extra parameters specific to the exchange api endpoint
 * @param {int} [params.until] timestamp in ms of the latest position to fetch, params["until"] - since <= 7 days
 * @param {string} [params.subType] 'linear' or 'inverse'
 * @returns {object[]} a list of [position structures]{@link https://docs.ccxt.com/#/?id=position-structure}
 */
func (this *Bybit) FetchPositionsHistory(options ...FetchPositionsHistoryOptions) ([]Position, error) {

    opts := FetchPositionsHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbols interface{} = nil
    if opts.Symbols != nil {
        symbols = *opts.Symbols
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchPositionsHistory(symbols, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewPositionArray(res), nil
}
/**
 * @method
 * @name bybit#fetchConvertCurrencies
 * @description fetches all available currencies that can be converted
 * @see https://bybit-exchange.github.io/docs/v5/asset/convert/convert-coin-list
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.accountType] eb_convert_uta, eb_convert_spot, eb_convert_funding, eb_convert_inverse, or eb_convert_contract
 * @returns {object} an associative dictionary of currencies
 */
func (this *Bybit) FetchConvertCurrencies(params ...interface{}) (Currencies, error) {
    res := <- this.Core.FetchConvertCurrencies(params...)
    if IsError(res) {
        return Currencies{}, CreateReturnError(res)
    }
    return NewCurrencies(res), nil
}
/**
 * @method
 * @name bybit#fetchConvertQuote
 * @description fetch a quote for converting from one currency to another
 * @see https://bybit-exchange.github.io/docs/v5/asset/convert/apply-quote
 * @param {string} fromCode the currency that you want to sell and convert from
 * @param {string} toCode the currency that you want to buy and convert into
 * @param {float} [amount] how much you want to trade in units of the from currency
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.accountType] eb_convert_uta, eb_convert_spot, eb_convert_funding, eb_convert_inverse, or eb_convert_contract
 * @returns {object} a [conversion structure]{@link https://docs.ccxt.com/#/?id=conversion-structure}
 */
func (this *Bybit) FetchConvertQuote(fromCode string, toCode string, options ...FetchConvertQuoteOptions) (Conversion, error) {

    opts := FetchConvertQuoteOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var amount interface{} = nil
    if opts.Amount != nil {
        amount = *opts.Amount
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchConvertQuote(fromCode, toCode, amount, params)
    if IsError(res) {
        return Conversion{}, CreateReturnError(res)
    }
    return NewConversion(res), nil
}
/**
 * @method
 * @name bybit#createConvertTrade
 * @description convert from one currency to another
 * @see https://bybit-exchange.github.io/docs/v5/asset/convert/confirm-quote
 * @param {string} id the id of the trade that you want to make
 * @param {string} fromCode the currency that you want to sell and convert from
 * @param {string} toCode the currency that you want to buy and convert into
 * @param {float} amount how much you want to trade in units of the from currency
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [conversion structure]{@link https://docs.ccxt.com/#/?id=conversion-structure}
 */
func (this *Bybit) CreateConvertTrade(id string, fromCode string, toCode string, options ...CreateConvertTradeOptions) (Conversion, error) {

    opts := CreateConvertTradeOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var amount interface{} = nil
    if opts.Amount != nil {
        amount = *opts.Amount
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateConvertTrade(id, fromCode, toCode, amount, params)
    if IsError(res) {
        return Conversion{}, CreateReturnError(res)
    }
    return NewConversion(res), nil
}
/**
 * @method
 * @name bybit#fetchConvertTrade
 * @description fetch the data for a conversion trade
 * @see https://bybit-exchange.github.io/docs/v5/asset/convert/get-convert-result
 * @param {string} id the id of the trade that you want to fetch
 * @param {string} [code] the unified currency code of the conversion trade
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.accountType] eb_convert_uta, eb_convert_spot, eb_convert_funding, eb_convert_inverse, or eb_convert_contract
 * @returns {object} a [conversion structure]{@link https://docs.ccxt.com/#/?id=conversion-structure}
 */
func (this *Bybit) FetchConvertTrade(id string, options ...FetchConvertTradeOptions) (Conversion, error) {

    opts := FetchConvertTradeOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchConvertTrade(id, code, params)
    if IsError(res) {
        return Conversion{}, CreateReturnError(res)
    }
    return NewConversion(res), nil
}
/**
 * @method
 * @name bybit#fetchConvertTradeHistory
 * @description fetch the users history of conversion trades
 * @see https://bybit-exchange.github.io/docs/v5/asset/convert/get-convert-history
 * @param {string} [code] the unified currency code
 * @param {int} [since] the earliest time in ms to fetch conversions for
 * @param {int} [limit] the maximum number of conversion structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.accountType] eb_convert_uta, eb_convert_spot, eb_convert_funding, eb_convert_inverse, or eb_convert_contract
 * @returns {object[]} a list of [conversion structures]{@link https://docs.ccxt.com/#/?id=conversion-structure}
 */
func (this *Bybit) FetchConvertTradeHistory(options ...FetchConvertTradeHistoryOptions) ([]Conversion, error) {

    opts := FetchConvertTradeHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var code interface{} = nil
    if opts.Code != nil {
        code = *opts.Code
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchConvertTradeHistory(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewConversionArray(res), nil
}
/**
 * @method
 * @name bybit#fetchLongShortRatioHistory
 * @description fetches the long short ratio history for a unified market symbol
 * @see https://bybit-exchange.github.io/docs/v5/market/long-short-ratio
 * @param {string} symbol unified symbol of the market to fetch the long short ratio for
 * @param {string} [timeframe] the period for the ratio, default is 24 hours
 * @param {int} [since] the earliest time in ms to fetch ratios for
 * @param {int} [limit] the maximum number of long short ratio structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} an array of [long short ratio structures]{@link https://docs.ccxt.com/#/?id=long-short-ratio-structure}
 */
func (this *Bybit) FetchLongShortRatioHistory(options ...FetchLongShortRatioHistoryOptions) ([]LongShortRatio, error) {

    opts := FetchLongShortRatioHistoryOptionsStruct{}

    for _, opt := range options {
        opt(&opts)
    }

    var symbol interface{} = nil
    if opts.Symbol != nil {
        symbol = *opts.Symbol
    }

    var timeframe interface{} = nil
    if opts.Timeframe != nil {
        timeframe = *opts.Timeframe
    }

    var since interface{} = nil
    if opts.Since != nil {
        since = *opts.Since
    }

    var limit interface{} = nil
    if opts.Limit != nil {
        limit = *opts.Limit
    }

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.FetchLongShortRatioHistory(symbol, timeframe, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewLongShortRatioArray(res), nil
}