Files
gocryptotrader/exchanges/coinbene/coinbene_wrapper.go
Adam 0501455a2e Add Coinbene exchange support (#366)
Add Coinbene exchange support
2019-11-06 16:07:11 +11:00

410 lines
13 KiB
Go

package coinbene
import (
"fmt"
"strconv"
"sync"
"time"
"github.com/thrasher-corp/gocryptotrader/common"
"github.com/thrasher-corp/gocryptotrader/currency"
exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
"github.com/thrasher-corp/gocryptotrader/exchanges/websocket/wshandler"
log "github.com/thrasher-corp/gocryptotrader/logger"
)
// Start starts the Coinbene go routine
func (c *Coinbene) Start(wg *sync.WaitGroup) {
wg.Add(1)
go func() {
c.Run()
wg.Done()
}()
}
// Run implements the Coinbene wrapper
func (c *Coinbene) Run() {
if c.Verbose {
log.Debugf("%s Websocket: %s. (url: %s).\n", c.Name, common.IsEnabled(c.Websocket.IsEnabled()), c.Websocket.GetWebsocketURL())
log.Debugf("%s polling delay: %ds.\n", c.Name, c.RESTPollingDelay)
log.Debugf("%s %d currencies enabled: %s.\n", c.Name, len(c.EnabledPairs), c.EnabledPairs)
}
exchangeCurrencies, err := c.GetAllPairs()
if err != nil {
log.Errorf("%s Failed to get available symbols.\n", c.Name)
} else {
var newExchangeCurrencies currency.Pairs
for p := range exchangeCurrencies.Data {
newExchangeCurrencies = append(newExchangeCurrencies,
currency.NewPairFromString(exchangeCurrencies.Data[p].Symbol))
}
err = c.UpdateCurrencies(newExchangeCurrencies, false, false)
if err != nil {
log.Errorf("%s Failed to update available currencies %s.\n",
c.Name,
err)
}
}
}
// UpdateTicker updates and returns the ticker for a currency pair
func (c *Coinbene) UpdateTicker(p currency.Pair, assetType string) (ticker.Price, error) {
var resp ticker.Price
allPairs := c.GetEnabledCurrencies()
for x := range allPairs {
tempResp, err := c.FetchTicker(exchange.FormatExchangeCurrency(c.Name,
allPairs[x]).String())
if err != nil {
return resp, err
}
resp.Pair = allPairs[x]
resp.Last = tempResp.TickerData.LatestPrice
resp.High = tempResp.TickerData.DailyHigh
resp.Low = tempResp.TickerData.DailyLow
resp.Bid = tempResp.TickerData.BestBid
resp.Ask = tempResp.TickerData.BestAsk
resp.Volume = tempResp.TickerData.DailyVolume
resp.LastUpdated = time.Now()
err = ticker.ProcessTicker(c.Name, &resp, assetType)
if err != nil {
return resp, err
}
}
return ticker.GetTicker(c.Name, p, assetType)
}
// GetTickerPrice returns the ticker for a currency pair
func (c *Coinbene) GetTickerPrice(p currency.Pair, assetType string) (ticker.Price, error) {
tickerNew, err := ticker.GetTicker(c.Name, p, assetType)
if err != nil {
return c.UpdateTicker(p, assetType)
}
return tickerNew, nil
}
// GetOrderbookEx returns orderbook base on the currency pair
func (c *Coinbene) GetOrderbookEx(currency currency.Pair, assetType string) (orderbook.Base, error) {
ob, err := orderbook.Get(c.Name, currency, assetType)
if err != nil {
return c.UpdateOrderbook(currency, assetType)
}
return ob, nil
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (c *Coinbene) UpdateOrderbook(p currency.Pair, assetType string) (orderbook.Base, error) {
var resp orderbook.Base
strPair := exchange.FormatExchangeCurrency(c.Name, p).String()
tempResp, err := c.FetchOrderbooks(strPair, 100)
if err != nil {
return resp, err
}
resp.ExchangeName = c.Name
resp.Pair = p
resp.AssetType = assetType
var amount, price float64
for i := range tempResp.Orderbook.Asks {
amount, err = strconv.ParseFloat(tempResp.Orderbook.Asks[i][1], 64)
if err != nil {
return resp, err
}
price, err = strconv.ParseFloat(tempResp.Orderbook.Asks[i][0], 64)
if err != nil {
return resp, err
}
resp.Asks = append(resp.Asks, orderbook.Item{
Price: price,
Amount: amount})
}
for j := range tempResp.Orderbook.Bids {
amount, err = strconv.ParseFloat(tempResp.Orderbook.Bids[j][1], 64)
if err != nil {
return resp, err
}
price, err = strconv.ParseFloat(tempResp.Orderbook.Bids[j][0], 64)
if err != nil {
return resp, err
}
resp.Bids = append(resp.Bids, orderbook.Item{
Price: price,
Amount: amount})
}
err = resp.Process()
if err != nil {
return resp, err
}
return orderbook.Get(c.Name, p, assetType)
}
// GetAccountInfo retrieves balances for all enabled currencies for the
// Coinbene exchange
func (c *Coinbene) GetAccountInfo() (exchange.AccountInfo, error) {
var info exchange.AccountInfo
data, err := c.GetUserBalance()
if err != nil {
return info, err
}
var account exchange.Account
for key := range data.Data {
c := currency.NewCode(data.Data[key].Asset)
hold := data.Data[key].Reserved
available := data.Data[key].Available
account.Currencies = append(account.Currencies,
exchange.AccountCurrencyInfo{CurrencyName: c,
TotalValue: hold + available,
Hold: hold})
}
info.Accounts = append(info.Accounts, account)
info.Exchange = c.Name
return info, nil
}
// GetFundingHistory returns funding history, deposits and
// withdrawals
func (c *Coinbene) GetFundingHistory() ([]exchange.FundHistory, error) {
return nil, common.ErrFunctionNotSupported
}
// GetExchangeHistory returns historic trade data since exchange opening.
func (c *Coinbene) GetExchangeHistory(p currency.Pair, assetType string) ([]exchange.TradeHistory, error) {
return nil, common.ErrFunctionNotSupported
}
// SubmitOrder submits a new order
func (c *Coinbene) SubmitOrder(p currency.Pair, side exchange.OrderSide, orderType exchange.OrderType, amount, price float64, clientID string) (exchange.SubmitOrderResponse, error) {
var resp exchange.SubmitOrderResponse
if side != exchange.BuyOrderSide && side != exchange.SellOrderSide {
return resp,
fmt.Errorf("%s orderside is not supported by this exchange", side)
}
tempResp, err := c.PlaceOrder(price,
amount,
exchange.FormatExchangeCurrency(c.Name, p).String(),
orderType.ToString(),
clientID)
if err != nil {
return resp, err
}
resp.IsOrderPlaced = true
resp.OrderID = tempResp.OrderID
return resp, nil
}
// ModifyOrder will allow of changing orderbook placement and limit to
// market conversion
func (c *Coinbene) ModifyOrder(action *exchange.ModifyOrder) (string, error) {
return "", common.ErrFunctionNotSupported
}
// CancelOrder cancels an order by its corresponding ID number
func (c *Coinbene) CancelOrder(order *exchange.OrderCancellation) error {
_, err := c.RemoveOrder(order.OrderID)
return err
}
// CancelAllOrders cancels all orders associated with a currency pair
func (c *Coinbene) CancelAllOrders(orderCancellation *exchange.OrderCancellation) (exchange.CancelAllOrdersResponse, error) {
var resp exchange.CancelAllOrdersResponse
tempMap := make(map[string]string)
orders, err := c.FetchOpenOrders(exchange.FormatExchangeCurrency(c.Name,
orderCancellation.CurrencyPair).String())
if err != nil {
return resp, err
}
for x := range orders.OpenOrders {
_, err := c.RemoveOrder(orders.OpenOrders[x].OrderID)
if err != nil {
tempMap[orders.OpenOrders[x].OrderID] = "Failed"
} else {
tempMap[orders.OpenOrders[x].OrderID] = "Success"
}
}
resp.OrderStatus = tempMap
return resp, nil
}
// GetOrderInfo returns information on a current open order
func (c *Coinbene) GetOrderInfo(orderID string) (exchange.OrderDetail, error) {
var resp exchange.OrderDetail
tempResp, err := c.FetchOrderInfo(orderID)
if err != nil {
return resp, err
}
var t time.Time
resp.Exchange = c.Name
resp.ID = orderID
resp.CurrencyPair = currency.NewPairWithDelimiter(tempResp.Order.BaseAsset,
"/",
tempResp.Order.QuoteAsset)
t, err = time.Parse(time.RFC3339, tempResp.Order.OrderTime)
if err != nil {
return resp, err
}
resp.Price = tempResp.Order.OrderPrice
resp.OrderDate = t
resp.ExecutedAmount = tempResp.Order.FilledAmount
resp.Fee = tempResp.Order.TotalFee
return resp, nil
}
// GetDepositAddress returns a deposit address for a specified currency
func (c *Coinbene) GetDepositAddress(cryptocurrency currency.Code, accountID string) (string, error) {
return "", common.ErrFunctionNotSupported
}
// WithdrawCryptocurrencyFunds returns a withdrawal ID when a withdrawal is
// submitted
func (c *Coinbene) WithdrawCryptocurrencyFunds(withdrawRequest *exchange.WithdrawRequest) (string, error) {
return "", common.ErrFunctionNotSupported
}
// WithdrawFiatFunds returns a withdrawal ID when a withdrawal is
// submitted
func (c *Coinbene) WithdrawFiatFunds(withdrawRequest *exchange.WithdrawRequest) (string, error) {
return "", common.ErrFunctionNotSupported
}
// WithdrawFiatFundsToInternationalBank returns a withdrawal ID when a withdrawal is
// submitted
func (c *Coinbene) WithdrawFiatFundsToInternationalBank(withdrawRequest *exchange.WithdrawRequest) (string, error) {
return "", common.ErrFunctionNotSupported
}
// GetWebsocket returns a pointer to the exchange websocket
func (c *Coinbene) GetWebsocket() (*wshandler.Websocket, error) {
return c.Websocket, nil
}
// GetActiveOrders retrieves any orders that are active/open
func (c *Coinbene) GetActiveOrders(getOrdersRequest *exchange.GetOrdersRequest) ([]exchange.OrderDetail, error) {
var resp []exchange.OrderDetail
var tempResp exchange.OrderDetail
var tempData OpenOrderResponse
if len(getOrdersRequest.Currencies) == 0 {
allPairs, err := c.GetAllPairs()
if err != nil {
return resp, err
}
for a := range allPairs.Data {
getOrdersRequest.Currencies = append(getOrdersRequest.Currencies, currency.NewPairFromString(allPairs.Data[a].Symbol))
}
}
var err error
for x := range getOrdersRequest.Currencies {
tempData, err = c.FetchOpenOrders(exchange.FormatExchangeCurrency(c.Name, getOrdersRequest.Currencies[x]).String())
if err != nil {
return resp, err
}
var t time.Time
for y := range tempData.OpenOrders {
tempResp.Exchange = c.Name
tempResp.CurrencyPair = getOrdersRequest.Currencies[x]
tempResp.OrderSide = buy
if tempData.OpenOrders[y].OrderType == sell {
tempResp.OrderSide = sell
}
t, err = time.Parse(time.RFC3339, tempData.OpenOrders[y].OrderTime)
if err != nil {
return resp, err
}
tempResp.OrderDate = t
tempResp.Status = tempData.OpenOrders[y].OrderStatus
tempResp.Price = tempData.OpenOrders[y].OrderPrice
tempResp.Amount = tempData.OpenOrders[y].Amount
tempResp.ExecutedAmount = tempData.OpenOrders[y].FilledAmount
tempResp.RemainingAmount = tempData.OpenOrders[y].Amount - tempData.OpenOrders[y].FilledAmount
tempResp.Fee = tempData.OpenOrders[y].TotalFee
resp = append(resp, tempResp)
}
}
return resp, nil
}
// GetOrderHistory retrieves account order information
// Can Limit response to specific order status
func (c *Coinbene) GetOrderHistory(getOrdersRequest *exchange.GetOrdersRequest) ([]exchange.OrderDetail, error) {
var resp []exchange.OrderDetail
var tempResp exchange.OrderDetail
var tempData ClosedOrderResponse
if len(getOrdersRequest.Currencies) == 0 {
allPairs, err := c.GetAllPairs()
if err != nil {
return resp, err
}
for a := range allPairs.Data {
getOrdersRequest.Currencies = append(getOrdersRequest.Currencies, currency.NewPairFromString(allPairs.Data[a].Symbol))
}
}
var err error
for x := range getOrdersRequest.Currencies {
tempData, err = c.FetchClosedOrders(exchange.FormatExchangeCurrency(c.Name, getOrdersRequest.Currencies[x]).String(), "")
if err != nil {
return resp, err
}
var t time.Time
for y := range tempData.Data {
tempResp.Exchange = c.Name
tempResp.CurrencyPair = getOrdersRequest.Currencies[x]
tempResp.OrderSide = exchange.BuyOrderSide
if tempData.Data[y].OrderType == sell {
tempResp.OrderSide = exchange.SellOrderSide
}
t, err = time.Parse(time.RFC3339, tempData.Data[y].OrderTime)
if err != nil {
return resp, err
}
tempResp.OrderDate = t
tempResp.Status = tempData.Data[y].OrderStatus
tempResp.Price = tempData.Data[y].OrderPrice
tempResp.Amount = tempData.Data[y].Amount
tempResp.ExecutedAmount = tempData.Data[y].FilledAmount
tempResp.RemainingAmount = tempData.Data[y].Amount - tempData.Data[y].FilledAmount
tempResp.Fee = tempData.Data[y].TotalFee
resp = append(resp, tempResp)
}
}
return resp, nil
}
// GetFeeByType returns an estimate of fee based on the type of transaction
func (c *Coinbene) GetFeeByType(feeBuilder *exchange.FeeBuilder) (float64, error) {
var fee float64
tempData, err := c.GetPairInfo(exchange.FormatExchangeCurrency(c.Name, feeBuilder.Pair).String())
if err != nil {
return fee, err
}
switch feeBuilder.IsMaker {
case true:
fee = feeBuilder.PurchasePrice * feeBuilder.Amount * tempData.Data.MakerFeeRate
case false:
fee = feeBuilder.PurchasePrice * feeBuilder.Amount * tempData.Data.TakerFeeRate
}
return fee, nil
}
// SubscribeToWebsocketChannels appends to ChannelsToSubscribe
// which lets websocket.manageSubscriptions handle subscribing
func (c *Coinbene) SubscribeToWebsocketChannels(channels []wshandler.WebsocketChannelSubscription) error {
c.Websocket.SubscribeToChannels(channels)
return nil
}
// UnsubscribeToWebsocketChannels removes from ChannelsToSubscribe
// which lets websocket.manageSubscriptions handle unsubscribing
func (c *Coinbene) UnsubscribeToWebsocketChannels(channels []wshandler.WebsocketChannelSubscription) error {
c.Websocket.RemoveSubscribedChannels(channels)
return nil
}
// GetSubscriptions returns a copied list of subscriptions
func (c *Coinbene) GetSubscriptions() ([]wshandler.WebsocketChannelSubscription, error) {
return c.Websocket.GetSubscriptions(), nil
}
// AuthenticateWebsocket sends an authentication message to the websocket
func (c *Coinbene) AuthenticateWebsocket() error {
return c.Login()
}