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bitfinex_wrapper.go
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bitfinex_wrapper.go
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package bitfinex
import (
"errors"
"log"
"net/url"
"sync"
"github.com/thrasher-/gocryptotrader/common"
"github.com/thrasher-/gocryptotrader/currency/pair"
"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 *Bitfinex) Start(wg *sync.WaitGroup) {
wg.Add(1)
go func() {
b.Run()
wg.Done()
}()
}
// Run implements the Bitfinex wrapper
func (b *Bitfinex) 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)
}
if b.Websocket {
go b.WebsocketClient()
}
exchangeProducts, err := b.GetSymbols()
if err != nil {
log.Printf("%s Failed to get available symbols.\n", b.GetName())
} else {
err = b.UpdateCurrencies(exchangeProducts, false, false)
if err != nil {
log.Printf("%s Failed to update available symbols.\n", b.GetName())
}
}
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *Bitfinex) UpdateTicker(p pair.CurrencyPair, assetType string) (ticker.Price, error) {
var tickerPrice ticker.Price
enabledPairs := b.GetEnabledCurrencies()
var pairs []string
for x := range enabledPairs {
pairs = append(pairs, "t"+enabledPairs[x].Pair().String())
}
tickerNew, err := b.GetTickersV2(common.JoinStrings(pairs, ","))
if err != nil {
return tickerPrice, err
}
for x := range tickerNew {
newP := pair.NewCurrencyPair(tickerNew[x].Symbol[1:4], tickerNew[x].Symbol[4:])
var tick ticker.Price
tick.Pair = newP
tick.Ask = tickerNew[x].Ask
tick.Bid = tickerNew[x].Bid
tick.Low = tickerNew[x].Low
tick.Last = tickerNew[x].Last
tick.Volume = tickerNew[x].Volume
tick.High = tickerNew[x].High
ticker.ProcessTicker(b.Name, tick.Pair, tick, assetType)
}
return ticker.GetTicker(b.Name, p, assetType)
}
// GetTickerPrice returns the ticker for a currency pair
func (b *Bitfinex) 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
}
// GetOrderbookEx returns the orderbook for a currency pair
func (b *Bitfinex) 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 *Bitfinex) UpdateOrderbook(p pair.CurrencyPair, assetType string) (orderbook.Base, error) {
var orderBook orderbook.Base
urlVals := url.Values{}
urlVals.Set("limit_bids", "100")
urlVals.Set("limit_asks", "100")
orderbookNew, err := b.GetOrderbook(p.Pair().String(), urlVals)
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].Amount})
}
for x := range orderbookNew.Bids {
orderBook.Bids = append(orderBook.Bids, orderbook.Item{Price: orderbookNew.Bids[x].Price, Amount: orderbookNew.Bids[x].Amount})
}
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 *Bitfinex) 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, nil
}
type bfxCoins struct {
OnHold float64
Available float64
}
accounts := make(map[string]bfxCoins)
for i := range accountBalance {
onHold := accountBalance[i].Amount - accountBalance[i].Available
coins := bfxCoins{
OnHold: onHold,
Available: accountBalance[i].Available,
}
result, ok := accounts[accountBalance[i].Currency]
if !ok {
accounts[accountBalance[i].Currency] = coins
} else {
result.Available += accountBalance[i].Available
result.OnHold += onHold
accounts[accountBalance[i].Currency] = result
}
}
for x, y := range accounts {
var exchangeCurrency exchange.AccountCurrencyInfo
exchangeCurrency.CurrencyName = common.StringToUpper(x)
exchangeCurrency.TotalValue = y.Available + y.OnHold
exchangeCurrency.Hold = y.OnHold
response.Currencies = append(response.Currencies, exchangeCurrency)
}
return response, nil
}
// GetExchangeFundTransferHistory returns funding history, deposits and
// withdrawals
func (b *Bitfinex) GetExchangeFundTransferHistory() ([]exchange.FundHistory, error) {
var fundHistory []exchange.FundHistory
return fundHistory, errors.New("not supported on exchange")
}
// GetExchangeHistory returns historic trade data since exchange opening.
func (b *Bitfinex) GetExchangeHistory(p pair.CurrencyPair, assetType string) ([]exchange.TradeHistory, error) {
var resp []exchange.TradeHistory
return resp, errors.New("trade history not yet implemented")
}
// SubmitExchangeOrder submits a new order
func (b *Bitfinex) SubmitExchangeOrder(p pair.CurrencyPair, side exchange.OrderSide, orderType exchange.OrderType, amount, price float64, clientID string) (int64, error) {
return 0, errors.New("not yet implemented")
}
// ModifyExchangeOrder will allow of changing orderbook placement and limit to
// market conversion
func (b *Bitfinex) ModifyExchangeOrder(orderID int64, action exchange.ModifyOrder) (int64, error) {
return 0, errors.New("not yet implemented")
}
// CancelExchangeOrder cancels an order by its corresponding ID number
func (b *Bitfinex) CancelExchangeOrder(orderID int64) error {
return errors.New("not yet implemented")
}
// CancelAllExchangeOrders cancels all orders associated with a currency pair
func (b *Bitfinex) CancelAllExchangeOrders() error {
return errors.New("not yet implemented")
}
// GetExchangeOrderInfo returns information on a current open order
func (b *Bitfinex) GetExchangeOrderInfo(orderID int64) (exchange.OrderDetail, error) {
var orderDetail exchange.OrderDetail
return orderDetail, errors.New("not yet implemented")
}
// GetExchangeDepositAddress returns a deposit address for a specified currency
func (b *Bitfinex) GetExchangeDepositAddress(cryptocurrency pair.CurrencyItem) (string, error) {
return "", errors.New("not yet implemented")
}
// WithdrawCryptoExchangeFunds returns a withdrawal ID when a withdrawal is submitted
func (b *Bitfinex) WithdrawCryptoExchangeFunds(address string, cryptocurrency pair.CurrencyItem, amount float64) (string, error) {
return "", errors.New("not yet implemented")
}
// WithdrawFiatExchangeFunds returns a withdrawal ID when a
// withdrawal is submitted
func (b *Bitfinex) WithdrawFiatExchangeFunds(currency pair.CurrencyItem, amount float64) (string, error) {
return "", errors.New("not yet implemented")
}
// WithdrawFiatExchangeFundsToInternationalBank returns a withdrawal ID when a
// withdrawal is submitted
func (b *Bitfinex) WithdrawFiatExchangeFundsToInternationalBank(currency pair.CurrencyItem, amount float64) (string, error) {
return "", errors.New("not yet implemented")
}