ccxt-go/alpaca_wrapper.go

package ccxt

type Alpaca struct {
   *alpaca
   Core *alpaca
}

func NewAlpaca(userConfig map[string]interface{}) Alpaca {
   p := &alpaca{}
   p.Init(userConfig)
   return Alpaca{
       alpaca: 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 alpaca#fetchTime
 * @description fetches the current integer timestamp in milliseconds from the exchange server
 * @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 *Alpaca) FetchTime(params ...interface{}) ( int64, error) {
    res := <- this.Core.FetchTime(params...)
    if IsError(res) {
        return -1, CreateReturnError(res)
    }
    return (res).(int64), nil
}
/**
 * @method
 * @name alpaca#fetchMarkets
 * @description retrieves data on all markets for alpaca
 * @see https://docs.alpaca.markets/reference/get-v2-assets
 * @param {object} [params] extra parameters specific to the exchange api endpoint
 * @returns {object[]} an array of objects representing market data
 */
func (this *Alpaca) FetchMarkets(params ...interface{}) ([]MarketInterface, error) {
    res := <- this.Core.FetchMarkets(params...)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewMarketInterfaceArray(res), nil
}
/**
 * @method
 * @name alpaca#fetchTrades
 * @description get the list of most recent trades for a particular symbol
 * @see https://docs.alpaca.markets/reference/cryptotrades
 * @see https://docs.alpaca.markets/reference/cryptolatesttrades
 * @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.loc] crypto location, default: us
 * @param {string} [params.method] method, default: marketPublicGetV1beta3CryptoLocTrades
 * @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades}
 */
func (this *Alpaca) 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 alpaca#fetchOrderBook
 * @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @see https://docs.alpaca.markets/reference/cryptolatestorderbooks
 * @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
 * @param {string} [params.loc] crypto location, default: us
 * @returns {object} A dictionary of [order book structures]{@link https://github.com/ccxt/ccxt/wiki/Manual#order-book-structure} indexed by market symbols
 */
func (this *Alpaca) 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 alpaca#fetchOHLCV
 * @description fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://docs.alpaca.markets/reference/cryptobars
 * @see https://docs.alpaca.markets/reference/cryptolatestbars
 * @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 alpha api endpoint
 * @param {string} [params.loc] crypto location, default: us
 * @param {string} [params.method] method, default: marketPublicGetV1beta3CryptoLocBars
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
func (this *Alpaca) 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 alpaca#fetchTicker
 * @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @see https://docs.alpaca.markets/reference/cryptosnapshots-1
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.loc] crypto location, default: us
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure}
 */
func (this *Alpaca) 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 alpaca#fetchTickers
 * @description fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
 * @see https://docs.alpaca.markets/reference/cryptosnapshots-1
 * @param {string[]} symbols unified symbols of the markets to fetch tickers for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.loc] crypto location, default: us
 * @returns {object} a dictionary of [ticker structures]{@link https://docs.ccxt.com/#/?id=ticker-structure}
 */
func (this *Alpaca) 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 alpaca#createMarketOrderWithCost
 * @description create a market order by providing the symbol, side and cost
 * @see https://docs.alpaca.markets/reference/postorder
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} side 'buy' or 'sell'
 * @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 *Alpaca) CreateMarketOrderWithCost(symbol string, side string, cost float64, options ...CreateMarketOrderWithCostOptions) (Order, error) {

    opts := CreateMarketOrderWithCostOptionsStruct{}

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

    var params interface{} = nil
    if opts.Params != nil {
        params = *opts.Params
    }
    res := <- this.Core.CreateMarketOrderWithCost(symbol, side, cost, params)
    if IsError(res) {
        return Order{}, CreateReturnError(res)
    }
    return NewOrder(res), nil
}
/**
 * @method
 * @name alpaca#createMarketBuyOrderWithCost
 * @description create a market buy order by providing the symbol and cost
 * @see https://docs.alpaca.markets/reference/postorder
 * @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 *Alpaca) 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
}
/**
 * @method
 * @name alpaca#createMarketSellOrderWithCost
 * @description create a market sell order by providing the symbol and cost
 * @see https://docs.alpaca.markets/reference/postorder
 * @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 *Alpaca) 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 alpaca#createOrder
 * @description create a trade order
 * @see https://docs.alpaca.markets/reference/postorder
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} type 'market', 'limit' or 'stop_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 at which a trigger order is triggered at
 * @param {float} [params.cost] *market orders only* the cost of the order in units of the quote currency
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#cancelOrder
 * @description cancels an open order
 * @see https://docs.alpaca.markets/reference/deleteorderbyorderid
 * @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
 * @returns {object} An [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#cancelAllOrders
 * @description cancel all open orders in a market
 * @see https://docs.alpaca.markets/reference/deleteallorders
 * @param {string} symbol alpaca cancelAllOrders cannot setting symbol, it will cancel all open orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) CancelAllOrders(options ...CancelAllOrdersOptions) ([]Order, 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 nil, CreateReturnError(res)
    }
    return NewOrderArray(res), nil
}
/**
 * @method
 * @name alpaca#fetchOrder
 * @description fetches information on an order made by the user
 * @see https://docs.alpaca.markets/reference/getorderbyorderid
 * @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 *Alpaca) 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 alpaca#fetchOrders
 * @description fetches information on multiple orders made by the user
 * @see https://docs.alpaca.markets/reference/getallorders
 * @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 {int} [params.until] the latest time in ms to fetch orders for
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#fetchOpenOrders
 * @description fetch all unfilled currently open orders
 * @see https://docs.alpaca.markets/reference/getallorders
 * @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 {int} [params.until] the latest time in ms to fetch orders for
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#fetchClosedOrders
 * @description fetches information on multiple closed orders made by the user
 * @see https://docs.alpaca.markets/reference/getallorders
 * @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 {int} [params.until] the latest time in ms to fetch orders for
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#editOrder
 * @description edit a trade order
 * @see https://docs.alpaca.markets/reference/patchorderbyorderid-1
 * @param {string} id order id
 * @param {string} [symbol] unified symbol of the market to create an order in
 * @param {string} [type] 'market', 'limit' or 'stop_limit'
 * @param {string} [side] 'buy' or 'sell'
 * @param {float} [amount] how much of the currency you want to trade in units of the base currency
 * @param {float} [price] the price for the order, in units of the quote currency, ignored in market orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.triggerPrice] the price to trigger a stop order
 * @param {string} [params.timeInForce] for crypto trading either 'gtc' or 'ioc' can be used
 * @param {string} [params.clientOrderId] a unique identifier for the order, automatically generated if not sent
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
 */
func (this *Alpaca) 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 alpaca#fetchMyTrades
 * @description fetch all trades made by the user
 * @see https://docs.alpaca.markets/reference/getaccountactivitiesbyactivitytype-1
 * @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 trade 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 trades for
 * @param {string} [params.page_token] page_token - used for paging
 * @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=trade-structure}
 */
func (this *Alpaca) 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 alpaca#fetchDepositAddress
 * @description fetch the deposit address for a currency associated with this account
 * @see https://docs.alpaca.markets/reference/listcryptofundingwallets
 * @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 *Alpaca) 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 alpaca#withdraw
 * @description make a withdrawal
 * @see https://docs.alpaca.markets/reference/createcryptotransferforaccount
 * @param {string} code unified currency code
 * @param {float} amount the amount to withdraw
 * @param {string} address the address to withdraw to
 * @param {string} tag a memo for the transaction
 * @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 *Alpaca) 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
}
func (this *Alpaca) FetchTransactionsHelper(typeVar interface{}, code interface{}, since interface{}, limit interface{}, params interface{}) ([]Transaction, error) {
    res := <- this.Core.FetchTransactionsHelper(typeVar, code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTransactionArray(res), nil
}
/**
 * @method
 * @name alpaca#fetchDepositsWithdrawals
 * @description fetch history of deposits and withdrawals
 * @see https://docs.alpaca.markets/reference/listcryptofundingtransfers
 * @param {string} [code] unified currency code for the currency of the deposit/withdrawals, default is undefined
 * @param {int} [since] timestamp in ms of the earliest deposit/withdrawal, default is undefined
 * @param {int} [limit] max number of deposit/withdrawals to return, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a list of [transaction structure]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Alpaca) FetchDepositsWithdrawals(options ...FetchDepositsWithdrawalsOptions) ([]Transaction, error) {

    opts := FetchDepositsWithdrawalsOptionsStruct{}

    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.FetchDepositsWithdrawals(code, since, limit, params)
    if IsError(res) {
        return nil, CreateReturnError(res)
    }
    return NewTransactionArray(res), nil
}
/**
 * @method
 * @name alpaca#fetchDeposits
 * @description fetch all deposits made to an account
 * @see https://docs.alpaca.markets/reference/listcryptofundingtransfers
 * @param {string} [code] unified currency code
 * @param {int} [since] the earliest time in ms to fetch deposits for
 * @param {int} [limit] the maximum number of deposit structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [transaction structures]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Alpaca) 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 alpaca#fetchWithdrawals
 * @description fetch all withdrawals made from an account
 * @see https://docs.alpaca.markets/reference/listcryptofundingtransfers
 * @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 withdrawal structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [transaction structures]{@link https://docs.ccxt.com/#/?id=transaction-structure}
 */
func (this *Alpaca) 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 alpaca#fetchBalance
 * @description query for balance and get the amount of funds available for trading or funds locked in orders
 * @see https://docs.alpaca.markets/reference/getaccount-1
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [balance structure]{@link https://docs.ccxt.com/#/?id=balance-structure}
 */
func (this *Alpaca) FetchBalance(params ...interface{}) (Balances, error) {
    res := <- this.Core.FetchBalance(params...)
    if IsError(res) {
        return Balances{}, CreateReturnError(res)
    }
    return NewBalances(res), nil
}