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Package exchanges

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This commit is contained in:
Adrian Gallagher
2017-03-21 01:50:07 +11:00
parent bbe660b5f4
commit aeb327c80c
68 changed files with 3808 additions and 3621 deletions
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126
exchanges/btce/btce_types.go Normal file
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package btce
type BTCeTicker struct {
High float64
Low float64
Avg float64
Vol float64
Vol_cur float64
Last float64
Buy float64
Sell float64
Updated int64
}
type BTCEOrderbook struct {
Asks [][]float64 `json:"asks"`
Bids [][]float64 `json:"bids"`
}
type BTCETrades struct {
Type string `json:"type"`
Price float64 `json:"bid"`
Amount float64 `json:"amount"`
TID int64 `json:"tid"`
Timestamp int64 `json:"timestamp"`
}
type BTCEResponse struct {
Return interface{} `json:"return"`
Success int `json:"success"`
Error string `json:"error"`
}
type BTCEPair struct {
DecimalPlaces int `json:"decimal_places"`
MinPrice float64 `json:"min_price"`
MaxPrice float64 `json:"max_price"`
MinAmount float64 `json:"min_amount"`
Hidden int `json:"hidden"`
Fee float64 `json:"fee"`
}
type BTCEInfo struct {
ServerTime int64 `json:"server_time"`
Pairs map[string]BTCEPair `json:"pairs"`
}
type BTCEAccountInfo struct {
Funds map[string]float64 `json:"funds"`
OpenOrders int `json:"open_orders"`
Rights struct {
Info int `json:"info"`
Trade int `json:"trade"`
Withdraw int `json:"withdraw"`
} `json:"rights"`
ServerTime float64 `json:"server_time"`
TransactionCount int `json:"transaction_count"`
}
type BTCEActiveOrders struct {
Pair string `json:"pair"`
Type string `json:"sell"`
Amount float64 `json:"amount"`
Rate float64 `json:"rate"`
TimestampCreated float64 `json:"time_created"`
Status int `json:"status"`
}
type BTCEOrderInfo struct {
Pair string `json:"pair"`
Type string `json:"sell"`
StartAmount float64 `json:"start_amount"`
Amount float64 `json:"amount"`
Rate float64 `json:"rate"`
TimestampCreated float64 `json:"time_created"`
Status int `json:"status"`
}
type BTCECancelOrder struct {
OrderID float64 `json:"order_id"`
Funds map[string]float64 `json:"funds"`
}
type BTCETrade struct {
Received float64 `json:"received"`
Remains float64 `json:"remains"`
OrderID float64 `json:"order_id"`
Funds map[string]float64 `json:"funds"`
}
type BTCETransHistory struct {
Type int `json:"type"`
Amount float64 `json:"amount"`
Currency string `json:"currency"`
Description string `json:"desc"`
Status int `json:"status"`
Timestamp float64 `json:"timestamp"`
}
type BTCETradeHistory struct {
Pair string `json:"pair"`
Type string `json:"type"`
Amount float64 `json:"amount"`
Rate float64 `json:"rate"`
OrderID float64 `json:"order_id"`
MyOrder int `json:"is_your_order"`
Timestamp float64 `json:"timestamp"`
}
type BTCEWithdrawCoins struct {
TID int64 `json:"tId"`
AmountSent float64 `json:"amountSent"`
Funds map[string]float64 `json:"funds"`
}
type BTCECreateCoupon struct {
Coupon string `json:"coupon"`
TransID int64 `json:"transID"`
Funds map[string]float64 `json:"funds"`
}
type BTCERedeemCoupon struct {
CouponAmount float64 `json:"couponAmount,string"`
CouponCurrency string `json:"couponCurrency"`
TransID int64 `json:"transID"`
}

85
exchanges/btce/btce_wrapper.go Normal file
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package btce
import (
"errors"
"log"
"time"
"github.com/thrasher-/gocryptotrader/common"
"github.com/thrasher-/gocryptotrader/exchanges"
"github.com/thrasher-/gocryptotrader/exchanges/ticker"
)
func (b *BTCE) Start() {
go b.Run()
}
func (b *BTCE) Run() {
if b.Verbose {
log.Printf("%s Websocket: %s.", b.GetName(), common.IsEnabled(b.Websocket))
log.Printf("%s polling delay: %ds.\n", b.GetName(), b.RESTPollingDelay)
log.Printf("%s %d currencies enabled: %s.\n", b.GetName(), len(b.EnabledPairs), b.EnabledPairs)
}
pairs := []string{}
for _, x := range b.EnabledPairs {
x = common.StringToLower(x[0:3] + "_" + x[3:6])
pairs = append(pairs, x)
}
pairsString := common.JoinStrings(pairs, "-")
for b.Enabled {
go func() {
ticker, err := b.GetTicker(pairsString)
if err != nil {
log.Println(err)
return
}
for x, y := range ticker {
x = common.StringToUpper(x[0:3] + x[4:])
log.Printf("BTC-e %s: Last %f High %f Low %f Volume %f\n", x, y.Last, y.High, y.Low, y.Vol_cur)
b.Ticker[x] = y
//AddExchangeInfo(b.GetName(), common.StringToUpper(x[0:3]), common.StringToUpper(x[4:]), y.Last, y.Vol_cur)
}
}()
time.Sleep(time.Second * b.RESTPollingDelay)
}
}
func (b *BTCE) GetTickerPrice(currency string) (ticker.TickerPrice, error) {
var tickerPrice ticker.TickerPrice
tick, ok := b.Ticker[currency]
if !ok {
return tickerPrice, errors.New("Unable to get currency.")
}
tickerPrice.Ask = tick.Buy
tickerPrice.Bid = tick.Sell
tickerPrice.FirstCurrency = currency[0:3]
tickerPrice.SecondCurrency = currency[3:]
tickerPrice.Low = tick.Low
tickerPrice.Last = tick.Last
tickerPrice.Volume = tick.Vol_cur
tickerPrice.High = tick.High
ticker.ProcessTicker(b.GetName(), tickerPrice.FirstCurrency, tickerPrice.SecondCurrency, tickerPrice)
return tickerPrice, nil
}
//GetExchangeAccountInfo : Retrieves balances for all enabled currencies for the BTCE exchange
func (e *BTCE) GetExchangeAccountInfo() (exchange.ExchangeAccountInfo, error) {
var response exchange.ExchangeAccountInfo
response.ExchangeName = e.GetName()
accountBalance, err := e.GetAccountInfo()
if err != nil {
return response, err
}
for x, y := range accountBalance.Funds {
var exchangeCurrency exchange.ExchangeAccountCurrencyInfo
exchangeCurrency.CurrencyName = common.StringToUpper(x)
exchangeCurrency.TotalValue = y
exchangeCurrency.Hold = 0
response.Currencies = append(response.Currencies, exchangeCurrency)
}
return response, nil
}

341
exchanges/btce/btcehttp.go Normal file
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package btce
import (
"errors"
"fmt"
"log"
"net/url"
"strconv"
"strings"
"time"
"github.com/thrasher-/gocryptotrader/common"
"github.com/thrasher-/gocryptotrader/config"
"github.com/thrasher-/gocryptotrader/exchanges"
)
const (
BTCE_API_PUBLIC_URL = "https://btc-e.com/api"
BTCE_API_PRIVATE_URL = "https://btc-e.com/tapi"
BTCE_API_PUBLIC_VERSION = "3"
BTCE_API_PRIVATE_VERSION = "1"
BTCE_INFO = "info"
BTCE_TICKER = "ticker"
BTCE_DEPTH = "depth"
BTCE_TRADES = "trades"
BTCE_ACCOUNT_INFO = "getInfo"
BTCE_TRADE = "Trade"
BTCE_ACTIVE_ORDERS = "ActiveOrders"
BTCE_ORDER_INFO = "OrderInfo"
BTCE_CANCEL_ORDER = "CancelOrder"
BTCE_TRADE_HISTORY = "TradeHistory"
BTCE_TRANSACTION_HISTORY = "TransHistory"
BTCE_WITHDRAW_COIN = "WithdrawCoin"
BTCE_CREATE_COUPON = "CreateCoupon"
BTCE_REDEEM_COUPON = "RedeemCoupon"
)
type BTCE struct {
exchange.ExchangeBase
Ticker map[string]BTCeTicker
}
func (b *BTCE) SetDefaults() {
b.Name = "BTCE"
b.Enabled = false
b.Fee = 0.2
b.Verbose = false
b.Websocket = false
b.RESTPollingDelay = 10
b.Ticker = make(map[string]BTCeTicker)
}
func (b *BTCE) Setup(exch config.ExchangeConfig) {
if !exch.Enabled {
b.SetEnabled(false)
} else {
b.Enabled = true
b.AuthenticatedAPISupport = exch.AuthenticatedAPISupport
b.SetAPIKeys(exch.APIKey, exch.APISecret, "", false)
b.RESTPollingDelay = exch.RESTPollingDelay
b.Verbose = exch.Verbose
b.Websocket = exch.Websocket
b.BaseCurrencies = common.SplitStrings(exch.BaseCurrencies, ",")
b.AvailablePairs = common.SplitStrings(exch.AvailablePairs, ",")
b.EnabledPairs = common.SplitStrings(exch.EnabledPairs, ",")
}
}
func (b *BTCE) GetFee() float64 {
return b.Fee
}
func (b *BTCE) GetInfo() (BTCEInfo, error) {
req := fmt.Sprintf("%s/%s/%s/", BTCE_API_PUBLIC_URL, BTCE_API_PUBLIC_VERSION, BTCE_INFO)
resp := BTCEInfo{}
err := common.SendHTTPGetRequest(req, true, &resp)
if err != nil {
return resp, err
}
return resp, nil
}
func (b *BTCE) GetTicker(symbol string) (map[string]BTCeTicker, error) {
type Response struct {
Data map[string]BTCeTicker
}
response := Response{}
req := fmt.Sprintf("%s/%s/%s/%s", BTCE_API_PUBLIC_URL, BTCE_API_PUBLIC_VERSION, BTCE_TICKER, symbol)
err := common.SendHTTPGetRequest(req, true, &response.Data)
if err != nil {
return nil, err
}
return response.Data, nil
}
func (b *BTCE) GetDepth(symbol string) (BTCEOrderbook, error) {
type Response struct {
Data map[string]BTCEOrderbook
}
response := Response{}
req := fmt.Sprintf("%s/%s/%s/%s", BTCE_API_PUBLIC_URL, BTCE_API_PUBLIC_VERSION, BTCE_DEPTH, symbol)
err := common.SendHTTPGetRequest(req, true, &response.Data)
if err != nil {
return BTCEOrderbook{}, err
}
depth := response.Data[symbol]
return depth, nil
}
func (b *BTCE) GetTrades(symbol string) ([]BTCETrades, error) {
type Response struct {
Data map[string][]BTCETrades
}
response := Response{}
req := fmt.Sprintf("%s/%s/%s/%s", BTCE_API_PUBLIC_URL, BTCE_API_PUBLIC_VERSION, BTCE_TRADES, symbol)
err := common.SendHTTPGetRequest(req, true, &response.Data)
if err != nil {
return []BTCETrades{}, err
}
trades := response.Data[symbol]
return trades, nil
}
func (b *BTCE) GetAccountInfo() (BTCEAccountInfo, error) {
var result BTCEAccountInfo
err := b.SendAuthenticatedHTTPRequest(BTCE_ACCOUNT_INFO, url.Values{}, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) GetActiveOrders(pair string) (map[string]BTCEActiveOrders, error) {
req := url.Values{}
req.Add("pair", pair)
var result map[string]BTCEActiveOrders
err := b.SendAuthenticatedHTTPRequest(BTCE_ACTIVE_ORDERS, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) GetOrderInfo(OrderID int64) (map[string]BTCEOrderInfo, error) {
req := url.Values{}
req.Add("order_id", strconv.FormatInt(OrderID, 10))
var result map[string]BTCEOrderInfo
err := b.SendAuthenticatedHTTPRequest(BTCE_ORDER_INFO, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) CancelOrder(OrderID int64) (bool, error) {
req := url.Values{}
req.Add("order_id", strconv.FormatInt(OrderID, 10))
var result BTCECancelOrder
err := b.SendAuthenticatedHTTPRequest(BTCE_CANCEL_ORDER, req, &result)
if err != nil {
return false, err
}
return true, nil
}
//to-do: convert orderid to int64
func (b *BTCE) Trade(pair, orderType string, amount, price float64) (float64, error) {
req := url.Values{}
req.Add("pair", pair)
req.Add("type", orderType)
req.Add("amount", strconv.FormatFloat(amount, 'f', -1, 64))
req.Add("rate", strconv.FormatFloat(price, 'f', -1, 64))
var result BTCETrade
err := b.SendAuthenticatedHTTPRequest(BTCE_TRADE, req, &result)
if err != nil {
return 0, err
}
return result.OrderID, nil
}
func (b *BTCE) GetTransactionHistory(TIDFrom, Count, TIDEnd int64, order, since, end string) (map[string]BTCETransHistory, error) {
req := url.Values{}
req.Add("from", strconv.FormatInt(TIDFrom, 10))
req.Add("count", strconv.FormatInt(Count, 10))
req.Add("from_id", strconv.FormatInt(TIDFrom, 10))
req.Add("end_id", strconv.FormatInt(TIDEnd, 10))
req.Add("order", order)
req.Add("since", since)
req.Add("end", end)
var result map[string]BTCETransHistory
err := b.SendAuthenticatedHTTPRequest(BTCE_TRANSACTION_HISTORY, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) GetTradeHistory(TIDFrom, Count, TIDEnd int64, order, since, end, pair string) (map[string]BTCETradeHistory, error) {
req := url.Values{}
req.Add("from", strconv.FormatInt(TIDFrom, 10))
req.Add("count", strconv.FormatInt(Count, 10))
req.Add("from_id", strconv.FormatInt(TIDFrom, 10))
req.Add("end_id", strconv.FormatInt(TIDEnd, 10))
req.Add("order", order)
req.Add("since", since)
req.Add("end", end)
req.Add("pair", pair)
var result map[string]BTCETradeHistory
err := b.SendAuthenticatedHTTPRequest(BTCE_TRADE_HISTORY, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) WithdrawCoins(coin string, amount float64, address string) (BTCEWithdrawCoins, error) {
req := url.Values{}
req.Add("coinName", coin)
req.Add("amount", strconv.FormatFloat(amount, 'f', -1, 64))
req.Add("address", address)
var result BTCEWithdrawCoins
err := b.SendAuthenticatedHTTPRequest(BTCE_WITHDRAW_COIN, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) CreateCoupon(currency string, amount float64) (BTCECreateCoupon, error) {
req := url.Values{}
req.Add("currency", currency)
req.Add("amount", strconv.FormatFloat(amount, 'f', -1, 64))
var result BTCECreateCoupon
err := b.SendAuthenticatedHTTPRequest(BTCE_CREATE_COUPON, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) RedeemCoupon(coupon string) (BTCERedeemCoupon, error) {
req := url.Values{}
req.Add("coupon", coupon)
var result BTCERedeemCoupon
err := b.SendAuthenticatedHTTPRequest(BTCE_REDEEM_COUPON, req, &result)
if err != nil {
return result, err
}
return result, nil
}
func (b *BTCE) SendAuthenticatedHTTPRequest(method string, values url.Values, result interface{}) (err error) {
nonce := strconv.FormatInt(time.Now().Unix(), 10)
values.Set("nonce", nonce)
values.Set("method", method)
encoded := values.Encode()
hmac := common.GetHMAC(common.HASH_SHA512, []byte(encoded), []byte(b.APISecret))
if b.Verbose {
log.Printf("Sending POST request to %s calling method %s with params %s\n", BTCE_API_PRIVATE_URL, method, encoded)
}
headers := make(map[string]string)
headers["Key"] = b.APIKey
headers["Sign"] = common.HexEncodeToString(hmac)
headers["Content-Type"] = "application/x-www-form-urlencoded"
resp, err := common.SendHTTPRequest("POST", BTCE_API_PRIVATE_URL, headers, strings.NewReader(encoded))
if err != nil {
return err
}
response := BTCEResponse{}
err = common.JSONDecode([]byte(resp), &response)
if err != nil {
return err
}
if response.Success != 1 {
return errors.New(response.Error)
}
JSONEncoded, err := common.JSONEncode(response.Return)
if err != nil {
return err
}
err = common.JSONDecode(JSONEncoded, &result)
if err != nil {
return err
}
return nil
}