Files
gocryptotrader/exchanges/btcmarkets/btcmarkets.go
2018-08-07 13:05:13 +10:00

411 lines
12 KiB
Go

package btcmarkets
import (
"bytes"
"errors"
"fmt"
"log"
"net/url"
"time"
"github.com/thrasher-/gocryptotrader/common"
"github.com/thrasher-/gocryptotrader/config"
"github.com/thrasher-/gocryptotrader/exchanges"
"github.com/thrasher-/gocryptotrader/exchanges/request"
"github.com/thrasher-/gocryptotrader/exchanges/ticker"
)
const (
btcMarketsAPIURL = "https://api.btcmarkets.net"
btcMarketsAPIVersion = "0"
btcMarketsAccountBalance = "/account/balance"
btcMarketsOrderCreate = "/order/create"
btcMarketsOrderCancel = "/order/cancel"
btcMarketsOrderHistory = "/order/history"
btcMarketsOrderOpen = "/order/open"
btcMarketsOrderTradeHistory = "/order/trade/history"
btcMarketsOrderDetail = "/order/detail"
btcMarketsWithdrawCrypto = "/fundtransfer/withdrawCrypto"
btcMarketsWithdrawAud = "/fundtransfer/withdrawEFT"
// Status Values
orderStatusNew = "New"
orderStatusPlaced = "Placed"
orderStatusFailed = "Failed"
orderStatusError = "Error"
orderStatusCancelled = "Cancelled"
orderStatusPartiallyCancelled = "Partially Cancelled"
orderStatusFullyMatched = "Fully Matched"
orderStatusPartiallyMatched = "Partially Matched"
btcmarketsAuthLimit = 10
btcmarketsUnauthLimit = 25
)
// BTCMarkets is the overarching type across the BTCMarkets package
type BTCMarkets struct {
exchange.Base
Ticker map[string]Ticker
}
// SetDefaults sets basic defaults
func (b *BTCMarkets) SetDefaults() {
b.Name = "BTC Markets"
b.Enabled = false
b.Fee = 0.85
b.Verbose = false
b.Websocket = false
b.RESTPollingDelay = 10
b.Ticker = make(map[string]Ticker)
b.RequestCurrencyPairFormat.Delimiter = ""
b.RequestCurrencyPairFormat.Uppercase = true
b.ConfigCurrencyPairFormat.Delimiter = ""
b.ConfigCurrencyPairFormat.Uppercase = true
b.AssetTypes = []string{ticker.Spot}
b.SupportsAutoPairUpdating = true
b.SupportsRESTTickerBatching = false
b.Requester = request.New(b.Name, request.NewRateLimit(time.Second*10, btcmarketsAuthLimit), request.NewRateLimit(time.Second*10, btcmarketsUnauthLimit), common.NewHTTPClientWithTimeout(exchange.DefaultHTTPTimeout))
}
// Setup takes in an exchange configuration and sets all parameters
func (b *BTCMarkets) Setup(exch config.ExchangeConfig) {
if !exch.Enabled {
b.SetEnabled(false)
} else {
b.Enabled = true
b.AuthenticatedAPISupport = exch.AuthenticatedAPISupport
b.SetAPIKeys(exch.APIKey, exch.APISecret, "", true)
b.SetHTTPClientTimeout(exch.HTTPTimeout)
b.SetHTTPClientUserAgent(exch.HTTPUserAgent)
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, ",")
err := b.SetCurrencyPairFormat()
if err != nil {
log.Fatal(err)
}
err = b.SetAssetTypes()
if err != nil {
log.Fatal(err)
}
err = b.SetAutoPairDefaults()
if err != nil {
log.Fatal(err)
}
}
}
// GetFee returns the BTCMarkets fee on transactions
func (b *BTCMarkets) GetFee() float64 {
return b.Fee
}
// GetTicker returns a ticker
// symbol - example "btc" or "ltc"
func (b *BTCMarkets) GetTicker(firstPair, secondPair string) (Ticker, error) {
ticker := Ticker{}
path := fmt.Sprintf("%s/market/%s/%s/tick",
btcMarketsAPIURL,
common.StringToUpper(firstPair),
common.StringToUpper(secondPair))
return ticker, b.SendHTTPRequest(path, &ticker)
}
// GetOrderbook returns current orderbook
// symbol - example "btc" or "ltc"
func (b *BTCMarkets) GetOrderbook(firstPair, secondPair string) (Orderbook, error) {
orderbook := Orderbook{}
path := fmt.Sprintf("%s/market/%s/%s/orderbook",
btcMarketsAPIURL,
common.StringToUpper(firstPair),
common.StringToUpper(secondPair))
return orderbook, b.SendHTTPRequest(path, &orderbook)
}
// GetTrades returns executed trades on the exchange
// symbol - example "btc" or "ltc"
// values - optional paramater "since" example values.Set(since, "59868345231")
func (b *BTCMarkets) GetTrades(firstPair, secondPair string, values url.Values) ([]Trade, error) {
trades := []Trade{}
path := common.EncodeURLValues(fmt.Sprintf("%s/market/%s/%s/trades",
btcMarketsAPIURL, common.StringToUpper(firstPair),
common.StringToUpper(secondPair)), values)
return trades, b.SendHTTPRequest(path, &trades)
}
// NewOrder requests a new order and returns an ID
// currency - example "AUD"
// instrument - example "BTC"
// price - example 13000000000 (i.e x 100000000)
// amount - example 100000000 (i.e x 100000000)
// orderside - example "Bid" or "Ask"
// orderType - example "limit"
// clientReq - example "abc-cdf-1000"
func (b *BTCMarkets) NewOrder(currency, instrument string, price, amount float64, orderSide, orderType, clientReq string) (int64, error) {
newPrice := int64(price * float64(common.SatoshisPerBTC))
newVolume := int64(amount * float64(common.SatoshisPerBTC))
order := OrderToGo{
Currency: common.StringToUpper(currency),
Instrument: common.StringToUpper(instrument),
Price: newPrice,
Volume: newVolume,
OrderSide: orderSide,
OrderType: orderType,
ClientRequestID: clientReq,
}
resp := Response{}
err := b.SendAuthenticatedRequest("POST", btcMarketsOrderCreate, order, &resp)
if err != nil {
return 0, err
}
if !resp.Success {
return 0, fmt.Errorf("%s Unable to place order. Error message: %s", b.GetName(), resp.ErrorMessage)
}
return int64(resp.ID), nil
}
// CancelOrder cancels an order by its ID
// orderID - id for order example "1337"
func (b *BTCMarkets) CancelOrder(orderID []int64) (bool, error) {
resp := Response{}
type CancelOrder struct {
OrderIDs []int64 `json:"orderIds"`
}
orders := CancelOrder{}
orders.OrderIDs = append(orders.OrderIDs, orderID...)
err := b.SendAuthenticatedRequest("POST", btcMarketsOrderCancel, orders, &resp)
if err != nil {
return false, err
}
if !resp.Success {
return false, fmt.Errorf("%s Unable to cancel order. Error message: %s", b.GetName(), resp.ErrorMessage)
}
ordersToBeCancelled := len(orderID)
ordersCancelled := 0
for _, y := range resp.Responses {
if y.Success {
ordersCancelled++
log.Printf("%s Cancelled order %d.\n", b.GetName(), y.ID)
} else {
log.Printf("%s Unable to cancel order %d. Error message: %s", b.GetName(), y.ID, y.ErrorMessage)
}
}
if ordersCancelled == ordersToBeCancelled {
return true, nil
}
return false, fmt.Errorf("%s Unable to cancel order(s)", b.GetName())
}
// GetOrders returns current order information on the exchange
// currency - example "AUD"
// instrument - example "BTC"
// limit - example "10"
// since - since a time example "33434568724"
// historic - if false just normal Orders open
func (b *BTCMarkets) GetOrders(currency, instrument string, limit, since int64, historic bool) ([]Order, error) {
request := make(map[string]interface{})
if currency != "" {
request["currency"] = common.StringToUpper(currency)
}
if instrument != "" {
request["instrument"] = common.StringToUpper(instrument)
}
if limit != 0 {
request["limit"] = limit
}
if since != 0 {
request["since"] = since
}
path := btcMarketsOrderOpen
if historic {
path = btcMarketsOrderHistory
}
resp := Response{}
err := b.SendAuthenticatedRequest("POST", path, request, &resp)
if err != nil {
return nil, err
}
if !resp.Success {
return nil, errors.New(resp.ErrorMessage)
}
for i := range resp.Orders {
resp.Orders[i].Price = resp.Orders[i].Price / common.SatoshisPerBTC
resp.Orders[i].OpenVolume = resp.Orders[i].OpenVolume / common.SatoshisPerBTC
resp.Orders[i].Volume = resp.Orders[i].Volume / common.SatoshisPerBTC
for x := range resp.Orders[i].Trades {
resp.Orders[i].Trades[x].Fee = resp.Orders[i].Trades[x].Fee / common.SatoshisPerBTC
resp.Orders[i].Trades[x].Price = resp.Orders[i].Trades[x].Price / common.SatoshisPerBTC
resp.Orders[i].Trades[x].Volume = resp.Orders[i].Trades[x].Volume / common.SatoshisPerBTC
}
}
return resp.Orders, nil
}
// GetOrderDetail returns order information an a specific order
// orderID - example "1337"
func (b *BTCMarkets) GetOrderDetail(orderID []int64) ([]Order, error) {
type OrderDetail struct {
OrderIDs []int64 `json:"orderIds"`
}
orders := OrderDetail{}
orders.OrderIDs = append(orders.OrderIDs, orderID...)
resp := Response{}
err := b.SendAuthenticatedRequest("POST", btcMarketsOrderDetail, orders, &resp)
if err != nil {
return nil, err
}
if !resp.Success {
return nil, errors.New(resp.ErrorMessage)
}
for i := range resp.Orders {
resp.Orders[i].Price = resp.Orders[i].Price / common.SatoshisPerBTC
resp.Orders[i].OpenVolume = resp.Orders[i].OpenVolume / common.SatoshisPerBTC
resp.Orders[i].Volume = resp.Orders[i].Volume / common.SatoshisPerBTC
for x := range resp.Orders[i].Trades {
resp.Orders[i].Trades[x].Fee = resp.Orders[i].Trades[x].Fee / common.SatoshisPerBTC
resp.Orders[i].Trades[x].Price = resp.Orders[i].Trades[x].Price / common.SatoshisPerBTC
resp.Orders[i].Trades[x].Volume = resp.Orders[i].Trades[x].Volume / common.SatoshisPerBTC
}
}
return resp.Orders, nil
}
// GetAccountBalance returns the full account balance
func (b *BTCMarkets) GetAccountBalance() ([]AccountBalance, error) {
balance := []AccountBalance{}
err := b.SendAuthenticatedRequest("GET", btcMarketsAccountBalance, nil, &balance)
if err != nil {
return nil, err
}
// All values are returned in Satoshis, even for fiat currencies.
for i := range balance {
balance[i].Balance = balance[i].Balance / common.SatoshisPerBTC
balance[i].PendingFunds = balance[i].PendingFunds / common.SatoshisPerBTC
}
return balance, nil
}
// WithdrawCrypto withdraws cryptocurrency into a designated address
func (b *BTCMarkets) WithdrawCrypto(amount float64, currency, address string) (string, error) {
newAmount := int64(amount * float64(common.SatoshisPerBTC))
req := WithdrawRequestCrypto{
Amount: newAmount,
Currency: common.StringToUpper(currency),
Address: address,
}
resp := Response{}
err := b.SendAuthenticatedRequest("POST", btcMarketsWithdrawCrypto, req, &resp)
if err != nil {
return "", err
}
if !resp.Success {
return "", errors.New(resp.ErrorMessage)
}
return resp.Status, nil
}
// WithdrawAUD withdraws AUD into a designated bank address
// Does not return a TxID!
func (b *BTCMarkets) WithdrawAUD(accountName, accountNumber, bankName, bsbNumber string, amount float64) (string, error) {
newAmount := int64(amount * float64(common.SatoshisPerBTC))
req := WithdrawRequestAUD{
AccountName: accountName,
AccountNumber: accountNumber,
BankName: bankName,
BSBNumber: bsbNumber,
Amount: newAmount,
Currency: "AUD",
}
resp := Response{}
err := b.SendAuthenticatedRequest("POST", btcMarketsWithdrawAud, req, &resp)
if err != nil {
return "", err
}
if !resp.Success {
return "", errors.New(resp.ErrorMessage)
}
return resp.Status, nil
}
// SendHTTPRequest sends an unauthenticated HTTP request
func (b *BTCMarkets) SendHTTPRequest(path string, result interface{}) error {
return b.SendPayload("GET", path, nil, nil, result, false, b.Verbose)
}
// SendAuthenticatedRequest sends an authenticated HTTP request
func (b *BTCMarkets) SendAuthenticatedRequest(reqType, path string, data interface{}, result interface{}) (err error) {
if !b.AuthenticatedAPISupport {
return fmt.Errorf(exchange.WarningAuthenticatedRequestWithoutCredentialsSet, b.Name)
}
if b.Nonce.Get() == 0 {
b.Nonce.Set(time.Now().UnixNano())
} else {
b.Nonce.Inc()
}
var request string
payload := []byte("")
if data != nil {
payload, err = common.JSONEncode(data)
if err != nil {
return err
}
request = path + "\n" + b.Nonce.String()[0:13] + "\n" + string(payload)
} else {
request = path + "\n" + b.Nonce.String()[0:13] + "\n"
}
hmac := common.GetHMAC(common.HashSHA512, []byte(request), []byte(b.APISecret))
if b.Verbose {
log.Printf("Sending %s request to URL %s with params %s\n", reqType, btcMarketsAPIURL+path, request)
}
headers := make(map[string]string)
headers["Accept"] = "application/json"
headers["Accept-Charset"] = "UTF-8"
headers["Content-Type"] = "application/json"
headers["apikey"] = b.APIKey
headers["timestamp"] = b.Nonce.String()[0:13]
headers["signature"] = common.Base64Encode(hmac)
return b.SendPayload(reqType, btcMarketsAPIURL+path, headers, bytes.NewBuffer(payload), result, true, b.Verbose)
}