Added support for Bitflyer exchange

exchanges/bitflyer/bitflyer_wrapper.go

@@ -0,0 +1,132 @@
+package bitflyer
+
+import (
+	"errors"
+	"log"
+
+	"github.com/thrasher-/gocryptotrader/common"
+	"github.com/thrasher-/gocryptotrader/currency/pair"
+	exchange "github.com/thrasher-/gocryptotrader/exchanges"
+	"github.com/thrasher-/gocryptotrader/exchanges/orderbook"
+	"github.com/thrasher-/gocryptotrader/exchanges/ticker"
+)
+
+// Start starts the Bitfinex go routine
+func (b *Bitflyer) Start() {
+	go b.Run()
+}
+
+// Run implements the Bitfinex wrapper
+func (b *Bitflyer) 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)
+	}
+
+	marketInfo, err := b.GetMarkets()
+	if err != nil {
+		log.Printf("%s Failed to get available symbols.\n", b.GetName())
+	} else {
+		var exchangeProducts []string
+
+		for _, info := range marketInfo {
+			exchangeProducts = append(exchangeProducts, info.ProductCode)
+		}
+
+		err = b.UpdateAvailableCurrencies(exchangeProducts, false)
+		if err != nil {
+			log.Printf("%s Failed to get config.\n", b.GetName())
+		}
+	}
+}
+
+// UpdateTicker updates and returns the ticker for a currency pair
+func (b *Bitflyer) UpdateTicker(p pair.CurrencyPair, assetType string) (ticker.Price, error) {
+	var tickerPrice ticker.Price
+
+	p = b.CheckFXString(p)
+
+	tickerNew, err := b.GetTicker(p.Pair().String())
+	if err != nil {
+		return tickerPrice, err
+	}
+
+	tickerPrice.Pair = p
+	tickerPrice.Ask = tickerNew.BestAsk
+	tickerPrice.Bid = tickerNew.BestBid
+	// tickerPrice.Low
+	tickerPrice.Last = tickerNew.Last
+	tickerPrice.Volume = tickerNew.Volume
+	// tickerPrice.High
+	ticker.ProcessTicker(b.GetName(), p, tickerPrice, assetType)
+	return ticker.GetTicker(b.Name, p, assetType)
+}
+
+// GetTickerPrice returns the ticker for a currency pair
+func (b *Bitflyer) GetTickerPrice(p pair.CurrencyPair, assetType string) (ticker.Price, error) {
+	tick, err := ticker.GetTicker(b.GetName(), p, ticker.Spot)
+	if err != nil {
+		return b.UpdateTicker(p, assetType)
+	}
+	return tick, nil
+}
+
+// CheckFXString upgrades currency pair if needed
+func (b *Bitflyer) CheckFXString(p pair.CurrencyPair) pair.CurrencyPair {
+	if common.StringContains(p.GetFirstCurrency().String(), "FX") {
+		p.FirstCurrency = "FX_BTC"
+		return p
+	}
+	return p
+}
+
+// GetOrderbookEx returns the orderbook for a currency pair
+func (b *Bitflyer) GetOrderbookEx(p pair.CurrencyPair, assetType string) (orderbook.Base, error) {
+	ob, err := orderbook.GetOrderbook(b.GetName(), p, assetType)
+	if err != nil {
+		return b.UpdateOrderbook(p, assetType)
+	}
+	return ob, nil
+}
+
+// UpdateOrderbook updates and returns the orderbook for a currency pair
+func (b *Bitflyer) UpdateOrderbook(p pair.CurrencyPair, assetType string) (orderbook.Base, error) {
+	var orderBook orderbook.Base
+
+	p = b.CheckFXString(p)
+
+	orderbookNew, err := b.GetOrderBook(p.Pair().String())
+	if err != nil {
+		return orderBook, err
+	}
+
+	for x := range orderbookNew.Asks {
+		orderBook.Asks = append(orderBook.Asks, orderbook.Item{Price: orderbookNew.Asks[x].Price, Amount: orderbookNew.Asks[x].Size})
+	}
+
+	for x := range orderbookNew.Bids {
+		orderBook.Bids = append(orderBook.Bids, orderbook.Item{Price: orderbookNew.Bids[x].Price, Amount: orderbookNew.Bids[x].Size})
+	}
+
+	orderbook.ProcessOrderbook(b.GetName(), p, orderBook, assetType)
+	return orderbook.GetOrderbook(b.Name, p, assetType)
+}
+
+// GetExchangeAccountInfo retrieves balances for all enabled currencies on the
+// Bitfinex exchange
+func (b *Bitflyer) GetExchangeAccountInfo() (exchange.AccountInfo, error) {
+	var response exchange.AccountInfo
+	response.ExchangeName = b.GetName()
+	// accountBalance, err := b.GetAccountBalance()
+	// if err != nil {
+	// 	return response, err
+	// }
+	if !b.Enabled {
+		return response, errors.New("exchange not enabled")
+	}
+
+	// implement once authenticated requests are introduced
+
+	return response, nil
+}