mirror of
https://github.com/d0zingcat/gocryptotrader.git
synced 2026-05-13 23:16:45 +00:00
590 lines
12 KiB
Go
590 lines
12 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"log"
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"net/url"
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"strconv"
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"strings"
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"time"
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)
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const (
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KRAKEN_API_URL = "https://api.kraken.com"
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KRAKEN_API_VERSION = "0"
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KRAKEN_SERVER_TIME = "Time"
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KRAKEN_ASSETS = "Assets"
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KRAKEN_ASSET_PAIRS = "AssetPairs"
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KRAKEN_TICKER = "Ticker"
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KRAKEN_OHLC = "OHLC"
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KRAKEN_DEPTH = "Depth"
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KRAKEN_TRADES = "Trades"
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KRAKEN_SPREAD = "Spread"
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KRAKEN_BALANCE = "Balance"
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KRAKEN_TRADE_BALANCE = "TradeBalance"
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KRAKEN_OPEN_ORDERS = "OpenOrders"
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KRAKEN_CLOSED_ORDERS = "ClosedOrders"
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KRAKEN_QUERY_ORDERS = "QueryOrders"
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KRAKEN_TRADES_HISTORY = "TradesHistory"
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KRAKEN_QUERY_TRADES = "QueryTrades"
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KRAKEN_OPEN_POSITIONS = "OpenPositions"
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KRAKEN_LEDGERS = "Ledgers"
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KRAKEN_QUERY_LEDGERS = "QueryLedgers"
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KRAKEN_TRADE_VOLUME = "TradeVolume"
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KRAKEN_ORDER_CANCEL = "CancelOrder"
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KRAKEN_ORDER_PLACE = "AddOrder"
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)
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type Kraken struct {
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Name string
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Enabled bool
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Verbose bool
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Websocket bool
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RESTPollingDelay time.Duration
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AuthenticatedAPISupport bool
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ClientKey, APISecret string
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FiatFee, CryptoFee float64
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BaseCurrencies []string
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AvailablePairs []string
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EnabledPairs []string
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Ticker map[string]KrakenTicker
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}
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func (k *Kraken) SetDefaults() {
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k.Name = "Kraken"
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k.Enabled = true
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k.FiatFee = 0.35
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k.CryptoFee = 0.10
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k.Verbose = false
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k.Websocket = false
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k.RESTPollingDelay = 10
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k.Ticker = make(map[string]KrakenTicker)
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}
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func (k *Kraken) GetName() string {
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return k.Name
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}
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func (k *Kraken) SetEnabled(enabled bool) {
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k.Enabled = enabled
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}
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func (k *Kraken) IsEnabled() bool {
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return k.Enabled
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}
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func (k *Kraken) SetAPIKeys(apiKey, apiSecret string) {
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k.ClientKey = apiKey
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k.APISecret = apiSecret
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}
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func (k *Kraken) GetFee(cryptoTrade bool) float64 {
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if cryptoTrade {
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return k.CryptoFee
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} else {
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return k.FiatFee
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}
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}
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func (k *Kraken) Run() {
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if k.Verbose {
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log.Printf("%s polling delay: %ds.\n", k.GetName(), k.RESTPollingDelay)
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log.Printf("%s %d currencies enabled: %s.\n", k.GetName(), len(k.EnabledPairs), k.EnabledPairs)
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}
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for k.Enabled {
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err := k.GetTicker(JoinStrings(k.EnabledPairs, ","))
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if err != nil {
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log.Println(err)
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} else {
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for _, x := range k.EnabledPairs {
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ticker := k.Ticker[x]
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log.Printf("Kraken %s Last %f High %f Low %f Volume %f\n", x, ticker.Last, ticker.High, ticker.Low, ticker.Volume)
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AddExchangeInfo(k.GetName(), x[0:3], x[3:], ticker.Last, ticker.Volume)
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}
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}
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time.Sleep(time.Second * k.RESTPollingDelay)
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}
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}
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func (k *Kraken) GetServerTime() error {
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_SERVER_TIME)
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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func (k *Kraken) GetAssets() error {
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_ASSETS)
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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func (k *Kraken) GetAssetPairs() error {
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_ASSET_PAIRS)
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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type KrakenTicker struct {
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Ask float64
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Bid float64
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Last float64
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Volume float64
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VWAP float64
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Trades int64
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Low float64
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High float64
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Open float64
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}
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type KrakenTickerResponse struct {
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Ask []string `json:"a"`
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Bid []string `json:"b"`
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Last []string `json:"c"`
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Volume []string `json:"v"`
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VWAP []string `json:"p"`
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Trades []int64 `json:"t"`
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Low []string `json:"l"`
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High []string `json:"h"`
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Open string `json:"o"`
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}
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func (k *Kraken) GetTicker(symbol string) error {
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values := url.Values{}
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values.Set("pair", symbol)
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type Response struct {
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Error []interface{} `json:"error"`
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Data map[string]KrakenTickerResponse `json:"result"`
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}
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resp := Response{}
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path := fmt.Sprintf("%s/%s/public/%s?%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_TICKER, values.Encode())
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err := SendHTTPGetRequest(path, true, &resp)
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if err != nil {
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return err
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}
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if len(resp.Error) > 0 {
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return errors.New(fmt.Sprintf("Kraken error: %s", resp.Error))
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}
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for x, y := range resp.Data {
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x = x[1:4] + x[5:]
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ticker := KrakenTicker{}
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ticker.Ask, _ = strconv.ParseFloat(y.Ask[0], 64)
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ticker.Bid, _ = strconv.ParseFloat(y.Bid[0], 64)
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ticker.Last, _ = strconv.ParseFloat(y.Last[0], 64)
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ticker.Volume, _ = strconv.ParseFloat(y.Volume[1], 64)
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ticker.VWAP, _ = strconv.ParseFloat(y.VWAP[1], 64)
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ticker.Trades = y.Trades[1]
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ticker.Low, _ = strconv.ParseFloat(y.Low[1], 64)
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ticker.High, _ = strconv.ParseFloat(y.High[1], 64)
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ticker.Open, _ = strconv.ParseFloat(y.Open, 64)
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k.Ticker[x] = ticker
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}
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return nil
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}
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func (k *Kraken) GetOHLC(symbol string) error {
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values := url.Values{}
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values.Set("pair", symbol)
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s?%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_OHLC, values.Encode())
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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func (k *Kraken) GetDepth(symbol string) error {
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values := url.Values{}
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values.Set("pair", symbol)
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s?%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_DEPTH, values.Encode())
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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func (k *Kraken) GetTrades(symbol string) error {
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values := url.Values{}
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values.Set("pair", symbol)
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s?%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_TRADES, values.Encode())
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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return err
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}
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log.Println(result)
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return nil
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}
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func (k *Kraken) GetSpread(symbol string) {
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values := url.Values{}
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values.Set("pair", symbol)
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var result interface{}
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path := fmt.Sprintf("%s/%s/public/%s?%s", KRAKEN_API_URL, KRAKEN_API_VERSION, KRAKEN_SPREAD, values.Encode())
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err := SendHTTPGetRequest(path, true, &result)
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if err != nil {
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log.Println(err)
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return
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}
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}
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func (k *Kraken) GetBalance() {
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_BALANCE, url.Values{})
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetTradeBalance(symbol, asset string) {
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values := url.Values{}
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if len(symbol) > 0 {
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values.Set("aclass", symbol)
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}
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if len(asset) > 0 {
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values.Set("asset", asset)
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_TRADE_BALANCE, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetOpenOrders(showTrades bool, userref int64) {
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values := url.Values{}
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if showTrades {
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values.Set("trades", "true")
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}
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if userref != 0 {
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values.Set("userref", strconv.FormatInt(userref, 10))
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_OPEN_ORDERS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetClosedOrders(showTrades bool, userref, start, end, offset int64, closetime string) {
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values := url.Values{}
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if showTrades {
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values.Set("trades", "true")
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}
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if userref != 0 {
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values.Set("userref", strconv.FormatInt(userref, 10))
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}
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if start != 0 {
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values.Set("start", strconv.FormatInt(start, 10))
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}
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if end != 0 {
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values.Set("end", strconv.FormatInt(end, 10))
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}
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if offset != 0 {
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values.Set("ofs", strconv.FormatInt(offset, 10))
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}
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if len(closetime) > 0 {
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values.Set("closetime", closetime)
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_CLOSED_ORDERS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) QueryOrdersInfo(showTrades bool, userref, txid int64) {
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values := url.Values{}
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if showTrades {
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values.Set("trades", "true")
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}
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if userref != 0 {
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values.Set("userref", strconv.FormatInt(userref, 10))
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}
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if txid != 0 {
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values.Set("txid", strconv.FormatInt(userref, 10))
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_QUERY_ORDERS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetTradesHistory(tradeType string, showRelatedTrades bool, start, end, offset int64) {
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values := url.Values{}
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if len(tradeType) > 0 {
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values.Set("aclass", tradeType)
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}
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if showRelatedTrades {
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values.Set("trades", "true")
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}
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if start != 0 {
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values.Set("start", strconv.FormatInt(start, 10))
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}
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if end != 0 {
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values.Set("end", strconv.FormatInt(end, 10))
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}
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if offset != 0 {
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values.Set("offset", strconv.FormatInt(offset, 10))
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_TRADES_HISTORY, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) QueryTrades(txid int64, showRelatedTrades bool) {
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values := url.Values{}
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values.Set("txid", strconv.FormatInt(txid, 10))
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if showRelatedTrades {
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values.Set("trades", "true")
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_QUERY_TRADES, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) OpenPositions(txid int64, showPL bool) {
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values := url.Values{}
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values.Set("txid", strconv.FormatInt(txid, 10))
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if showPL {
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values.Set("docalcs", "true")
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_OPEN_POSITIONS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetLedgers(symbol, asset, ledgerType string, start, end, offset int64) {
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values := url.Values{}
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if len(symbol) > 0 {
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values.Set("aclass", symbol)
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}
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if len(asset) > 0 {
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values.Set("asset", asset)
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}
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if len(ledgerType) > 0 {
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values.Set("type", ledgerType)
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}
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if start != 0 {
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values.Set("start", strconv.FormatInt(start, 10))
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}
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if end != 0 {
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values.Set("end", strconv.FormatInt(end, 10))
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}
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if offset != 0 {
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values.Set("offset", strconv.FormatInt(offset, 10))
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}
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_LEDGERS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) QueryLedgers(id string) {
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values := url.Values{}
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values.Set("id", id)
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_QUERY_LEDGERS, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) GetTradeVolume(symbol string) {
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values := url.Values{}
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values.Set("pair", symbol)
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_TRADE_VOLUME, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) AddOrder(symbol, side, orderType string, price, price2, volume, leverage, position float64) {
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values := url.Values{}
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values.Set("pairs", symbol)
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values.Set("type", side)
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values.Set("ordertype", orderType)
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values.Set("price", strconv.FormatFloat(price, 'f', -1, 64))
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values.Set("price2", strconv.FormatFloat(price, 'f', -1, 64))
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values.Set("volume", strconv.FormatFloat(volume, 'f', -1, 64))
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values.Set("leverage", strconv.FormatFloat(leverage, 'f', -1, 64))
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values.Set("position", strconv.FormatFloat(position, 'f', -1, 64))
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_ORDER_PLACE, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) CancelOrder(orderID int64) {
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values := url.Values{}
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values.Set("txid", strconv.FormatInt(orderID, 10))
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result, err := k.SendAuthenticatedHTTPRequest(KRAKEN_ORDER_CANCEL, values)
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if err != nil {
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log.Println(err)
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return
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}
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log.Println(result)
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}
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func (k *Kraken) SendAuthenticatedHTTPRequest(method string, values url.Values) (interface{}, error) {
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path := fmt.Sprintf("/%s/private/%s", KRAKEN_API_VERSION, method)
|
|
values.Set("nonce", strconv.FormatInt(time.Now().UnixNano(), 10))
|
|
secret, err := Base64Decode(k.APISecret)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
shasum := GetSHA256([]byte(values.Get("nonce") + values.Encode()))
|
|
signature := Base64Encode(GetHMAC(HASH_SHA512, append([]byte(path), shasum...), secret))
|
|
|
|
if k.Verbose {
|
|
log.Printf("Sending POST request to %s, path: %s.", KRAKEN_API_URL, path)
|
|
}
|
|
|
|
headers := make(map[string]string)
|
|
headers["API-Key"] = k.ClientKey
|
|
headers["API-Sign"] = signature
|
|
|
|
resp, err := SendHTTPRequest("POST", KRAKEN_API_URL+path, headers, strings.NewReader(values.Encode()))
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if k.Verbose {
|
|
log.Printf("Recieved raw: \n%s\n", resp)
|
|
}
|
|
|
|
return resp, nil
|
|
}
|