Files
gocryptotrader/btcmarkets.go
2015-02-23 17:51:45 +11:00

130 lines
2.8 KiB
Go

package main
import (
"net/http"
"strconv"
"crypto/hmac"
"crypto/sha512"
"encoding/base64"
"errors"
"strings"
"time"
"log"
"io/ioutil"
"fmt"
)
const (
BTCMARKETS_API_URL = "https://api.btcmarkets.net"
)
type BTCMarkets struct {
Name string
Enabled bool
APIKey, APISecret string
}
type BTCMarketsTicker struct {
BestBID float64
BestAsk float64
LastPrice float64
Currency string
Instrument string
Timestamp int64
}
func (b *BTCMarkets) SetDefaults() {
b.Name = "BTC Markets"
b.Enabled = true
}
func (b *BTCMarkets) GetName() (string) {
return b.Name
}
func (b *BTCMarkets) SetEnabled(enabled bool) {
b.Enabled = enabled
}
func (b *BTCMarkets) IsEnabled() (bool) {
return b.Enabled
}
func (b *BTCMarkets) SetAPIKeys(apiKey, apiSecret string) {
b.APIKey = apiKey
b.APISecret = apiSecret
}
func (b *BTCMarkets) GetTicker(symbol string) (BTCMarketsTicker) {
ticker := BTCMarketsTicker{}
path := fmt.Sprintf("/market/%s/AUD/tick", symbol)
err := SendHTTPRequest(BTCMARKETS_API_URL + path, true, &ticker)
if err != nil {
fmt.Println(err)
return BTCMarketsTicker{}
}
return ticker
}
func (b *BTCMarkets) GetOrderbook(symbol string) {
path := fmt.Sprintf("/market/%s/AUD/orderbook", symbol)
err := SendHTTPRequest(BTCMARKETS_API_URL + path, true, nil)
if err != nil {
fmt.Println(err)
}
}
func (b *BTCMarkets) GetTrades(symbol, since string) {
path := ""
if len(since) > 0 {
path = fmt.Sprintf("/market/%s/AUD/trades?since=%s", symbol, since)
} else {
path = fmt.Sprintf("/market/%s/AUD/trades", symbol)
}
err := SendHTTPRequest(BTCMARKETS_API_URL + path, true, nil)
if err != nil {
fmt.Println(err)
}
}
func (b *BTCMarkets) SendAuthenticatedRequest(reqType, path, data string) (error) {
nonce := strconv.FormatInt(time.Now().Unix(), 10)
request := ""
if len(data) > 0 {
request = path + "\n" + nonce + "\n" + data
} else {
request = path + "\n" + nonce + "\n"
}
hmac := hmac.New(sha512.New, []byte(b.APISecret))
hmac.Write([]byte(request))
log.Printf("Sending %s request to %s path %s with params %s\n", reqType, BTCMARKETS_API_URL + path, path, request)
req, err := http.NewRequest(reqType, BTCMARKETS_API_URL + path, strings.NewReader(""))
if err != nil {
return err
}
b64 := base64.StdEncoding.EncodeToString(hmac.Sum(nil))
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/json")
req.Header.Add("User-Agent", "btc markets python client")
req.Header.Add("Accept-Charset", "UTF-8")
req.Header.Add("apikey", b.APIKey)
req.Header.Add("timestamp", nonce)
req.Header.Add("signature", b64)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return errors.New("PostRequest: Unable to send request")
}
contents, _ := ioutil.ReadAll(resp.Body)
log.Printf("Recieved raw: %s\n", string(contents))
resp.Body.Close()
return nil
}