Crypto and warrants added

crypto.go

@@ -0,0 +1,84 @@
+package tastytrade
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type DestinationVenueSymbols struct {
+	Id                   int    `json:"id"`
+	Symbol               string `json:"symbol"`
+	DestinationVenue     string `json:"destination-venue"`
+	MaxQuantityPrecision int    `json:"max-quantity-precision"`
+	MaxPricePrecision    int    `json:"max-price-precision"`
+	Routable             bool   `json:"routable"`
+}
+
+type Cryptocurrency struct {
+	Id                      int                       `json:"id"`
+	Symbol                  string                    `json:"symbol"`
+	InstrumentType          string                    `json:"instrument-type"`
+	ShortDescription        string                    `json:"short-description"`
+	Description             string                    `json:"description"`
+	IsClosingOnly           bool                      `json:"is-closing-only"`
+	Active                  bool                      `json:"active"`
+	TickSize                string                    `json:"tick-size"`
+	StreamerSymbol          string                    `json:"streamer-symbol"`
+	DestinationVenueSymbols []DestinationVenueSymbols `json:"destination-venue-symbols"`
+}
+
+type ListCryptocurrenciesResult struct {
+	Data struct {
+		Items []Cryptocurrency `json:"items"`
+	} `json:"data"`
+	Context string `json:"context"`
+}
+
+type GetCryptocurrencyResult struct {
+	Data    Cryptocurrency `json:"data"`
+	Context string         `json:"context"`
+}
+
+// ListCryptocurrencies retrieves list of cryptocurrencies
+func (api *TastytradeAPI) ListCryptocurrencies() (ListCryptocurrenciesResult, error) {
+	url := fmt.Sprintf("%s/instruments/cryptocurrencies", api.host)
+	data, err := api.fetchData(url)
+	if err != nil {
+		return ListCryptocurrenciesResult{}, err
+	}
+
+	var response ListCryptocurrenciesResult
+	jsonData, err := json.Marshal(data)
+	if err != nil {
+		return ListCryptocurrenciesResult{}, err
+	}
+
+	err = json.Unmarshal(jsonData, &response)
+	if err != nil {
+		return ListCryptocurrenciesResult{}, err
+	}
+
+	return response, nil
+}
+
+// GetCryptocurrency retrieves a specific cryptocurrency
+func (api *TastytradeAPI) GetCryptocurrency(symbol string) (GetCryptocurrencyResult, error) {
+	url := fmt.Sprintf("%s/instruments/cryptocurrencies/%s", api.host, symbol)
+	data, err := api.fetchData(url)
+	if err != nil {
+		return GetCryptocurrencyResult{}, err
+	}
+
+	var response GetCryptocurrencyResult
+	jsonData, err := json.Marshal(data)
+	if err != nil {
+		return GetCryptocurrencyResult{}, err
+	}
+
+	err = json.Unmarshal(jsonData, &response)
+	if err != nil {
+		return GetCryptocurrencyResult{}, err
+	}
+
+	return response, nil
+}