Files
gocryptotrader/engine/routines.go
Andrew 7fccc03164 (Logger) Rename package to log (#444)
* renamed package to log to stop side import requirement

* reverted comment changes

* reverted comment changes

* one more reverting wording back to logger

* wording changes on comments
2020-02-12 18:09:56 +11:00

373 lines
10 KiB
Go

package engine
import (
"errors"
"fmt"
"strings"
"sync"
"time"
"github.com/thrasher-corp/gocryptotrader/common"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
"github.com/thrasher-corp/gocryptotrader/exchanges/stats"
"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
"github.com/thrasher-corp/gocryptotrader/exchanges/websocket/wshandler"
"github.com/thrasher-corp/gocryptotrader/log"
)
func printCurrencyFormat(price float64) string {
displaySymbol, err := currency.GetSymbolByCurrencyName(Bot.Config.Currency.FiatDisplayCurrency)
if err != nil {
log.Errorf(log.Global, "Failed to get display symbol: %s\n", err)
}
return fmt.Sprintf("%s%.8f", displaySymbol, price)
}
func printConvertCurrencyFormat(origCurrency currency.Code, origPrice float64) string {
displayCurrency := Bot.Config.Currency.FiatDisplayCurrency
conv, err := currency.ConvertCurrency(origPrice,
origCurrency,
displayCurrency)
if err != nil {
log.Errorf(log.Global, "Failed to convert currency: %s\n", err)
}
displaySymbol, err := currency.GetSymbolByCurrencyName(displayCurrency)
if err != nil {
log.Errorf(log.Global, "Failed to get display symbol: %s\n", err)
}
origSymbol, err := currency.GetSymbolByCurrencyName(origCurrency)
if err != nil {
log.Errorf(log.Global, "Failed to get original currency symbol for %s: %s\n",
origCurrency,
err)
}
return fmt.Sprintf("%s%.2f %s (%s%.2f %s)",
displaySymbol,
conv,
displayCurrency,
origSymbol,
origPrice,
origCurrency,
)
}
func printTickerSummary(result *ticker.Price, p currency.Pair, assetType asset.Item, exchangeName, protocol string, err error) {
if err != nil {
log.Errorf(log.Ticker, "Failed to get %s %s %s %s ticker. Error: %s\n",
exchangeName,
protocol,
p,
assetType,
err)
return
}
stats.Add(exchangeName, p, assetType, result.Last, result.Volume)
if p.Quote.IsFiatCurrency() &&
p.Quote != Bot.Config.Currency.FiatDisplayCurrency {
origCurrency := p.Quote.Upper()
log.Infof(log.Ticker, "%s %s %s %s: TICKER: Last %s Ask %s Bid %s High %s Low %s Volume %.8f\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
printConvertCurrencyFormat(origCurrency, result.Last),
printConvertCurrencyFormat(origCurrency, result.Ask),
printConvertCurrencyFormat(origCurrency, result.Bid),
printConvertCurrencyFormat(origCurrency, result.High),
printConvertCurrencyFormat(origCurrency, result.Low),
result.Volume)
} else {
if p.Quote.IsFiatCurrency() &&
p.Quote == Bot.Config.Currency.FiatDisplayCurrency {
log.Infof(log.Ticker, "%s %s %s %s: TICKER: Last %s Ask %s Bid %s High %s Low %s Volume %.8f\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
printCurrencyFormat(result.Last),
printCurrencyFormat(result.Ask),
printCurrencyFormat(result.Bid),
printCurrencyFormat(result.High),
printCurrencyFormat(result.Low),
result.Volume)
} else {
log.Infof(log.Ticker, "%s %s %s %s: TICKER: Last %.8f Ask %.8f Bid %.8f High %.8f Low %.8f Volume %.8f\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
result.Last,
result.Ask,
result.Bid,
result.High,
result.Low,
result.Volume)
}
}
}
func printOrderbookSummary(result *orderbook.Base, p currency.Pair, assetType asset.Item, exchangeName, protocol string, err error) {
if err != nil {
log.Errorf(log.OrderBook, "Failed to get %s %s %s orderbook of type %s. Error: %s\n",
exchangeName,
protocol,
p,
assetType,
err)
return
}
bidsAmount, bidsValue := result.TotalBidsAmount()
asksAmount, asksValue := result.TotalAsksAmount()
if p.Quote.IsFiatCurrency() &&
p.Quote != Bot.Config.Currency.FiatDisplayCurrency {
origCurrency := p.Quote.Upper()
log.Infof(log.OrderBook, "%s %s %s %s: ORDERBOOK: Bids len: %d Amount: %f %s. Total value: %s Asks len: %d Amount: %f %s. Total value: %s\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
len(result.Bids),
bidsAmount,
p.Base,
printConvertCurrencyFormat(origCurrency, bidsValue),
len(result.Asks),
asksAmount,
p.Base,
printConvertCurrencyFormat(origCurrency, asksValue),
)
} else {
if p.Quote.IsFiatCurrency() &&
p.Quote == Bot.Config.Currency.FiatDisplayCurrency {
log.Infof(log.OrderBook, "%s %s %s %s: ORDERBOOK: Bids len: %d Amount: %f %s. Total value: %s Asks len: %d Amount: %f %s. Total value: %s\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
len(result.Bids),
bidsAmount,
p.Base,
printCurrencyFormat(bidsValue),
len(result.Asks),
asksAmount,
p.Base,
printCurrencyFormat(asksValue),
)
} else {
log.Infof(log.OrderBook, "%s %s %s %s: ORDERBOOK: Bids len: %d Amount: %f %s. Total value: %f Asks len: %d Amount: %f %s. Total value: %f\n",
exchangeName,
protocol,
FormatCurrency(p),
strings.ToUpper(assetType.String()),
len(result.Bids),
bidsAmount,
p.Base,
bidsValue,
len(result.Asks),
asksAmount,
p.Base,
asksValue,
)
}
}
}
func relayWebsocketEvent(result interface{}, event, assetType, exchangeName string) {
evt := WebsocketEvent{
Data: result,
Event: event,
AssetType: assetType,
Exchange: exchangeName,
}
err := BroadcastWebsocketMessage(evt)
if err != nil {
log.Errorf(log.WebsocketMgr, "Failed to broadcast websocket event %v. Error: %s\n",
event, err)
}
}
// WebsocketRoutine Initial routine management system for websocket
func WebsocketRoutine() {
if Bot.Settings.Verbose {
log.Debugln(log.WebsocketMgr, "Connecting exchange websocket services...")
}
exchanges := GetExchanges()
for i := range exchanges {
go func(i int) {
if exchanges[i].SupportsWebsocket() {
if Bot.Settings.Verbose {
log.Debugf(log.WebsocketMgr,
"Exchange %s websocket support: Yes Enabled: %v\n",
exchanges[i].GetName(),
common.IsEnabled(exchanges[i].IsWebsocketEnabled()),
)
}
// TO-DO: expose IsConnected() and IsConnecting so this can be simplified
if exchanges[i].IsWebsocketEnabled() {
ws, err := exchanges[i].GetWebsocket()
if err != nil {
log.Errorf(
log.WebsocketMgr,
"Exchange %s GetWebsocket error: %s\n",
exchanges[i].GetName(),
err,
)
return
}
// Exchange sync manager might have already started ws
// service or is in the process of connecting, so check
if ws.IsConnected() || ws.IsConnecting() {
return
}
// Data handler routine
go WebsocketDataHandler(ws)
err = ws.Connect()
if err != nil {
log.Errorf(log.WebsocketMgr, "%v\n", err)
}
}
} else if Bot.Settings.Verbose {
log.Debugf(log.WebsocketMgr,
"Exchange %s websocket support: No\n",
exchanges[i].GetName(),
)
}
}(i)
}
}
var shutdowner = make(chan struct{}, 1)
var wg sync.WaitGroup
// Websocketshutdown shuts down the exchange routines and then shuts down
// governing routines
func Websocketshutdown(ws *wshandler.Websocket) error {
err := ws.Shutdown() // shutdown routines on the exchange
if err != nil {
log.Errorf(log.WebsocketMgr, "routines.go error - failed to shutdown %s\n", err)
}
timer := time.NewTimer(5 * time.Second)
c := make(chan struct{}, 1)
go func(c chan struct{}) {
close(shutdowner)
wg.Wait()
c <- struct{}{}
}(c)
select {
case <-timer.C:
return errors.New("routines.go error - failed to shutdown routines")
case <-c:
return nil
}
}
// WebsocketDataHandler handles websocket data coming from a websocket feed
// associated with an exchange
func WebsocketDataHandler(ws *wshandler.Websocket) {
wg.Add(1)
defer wg.Done()
for {
select {
case <-shutdowner:
return
case data := <-ws.DataHandler:
switch d := data.(type) {
case string:
switch d {
case wshandler.WebsocketNotEnabled:
if Bot.Settings.Verbose {
log.Warnf(log.WebsocketMgr, "routines.go warning - exchange %s websocket not enabled\n",
ws.GetName())
}
default:
log.Info(log.WebsocketMgr, d)
}
case error:
log.Errorf(log.WebsocketMgr, "routines.go exchange %s websocket error - %s", ws.GetName(), data)
case wshandler.TradeData:
// Websocket Trade Data
if Bot.Settings.Verbose {
log.Infof(log.WebsocketMgr, "%s websocket %s %s trade updated %+v\n",
ws.GetName(),
FormatCurrency(d.CurrencyPair),
d.AssetType,
d)
}
case wshandler.FundingData:
// Websocket Funding Data
if Bot.Settings.Verbose {
log.Infof(log.WebsocketMgr, "%s websocket %s %s funding updated %+v\n",
ws.GetName(),
FormatCurrency(d.CurrencyPair),
d.AssetType,
d)
}
case *ticker.Price:
// Websocket Ticker Data
if Bot.Settings.EnableExchangeSyncManager && Bot.ExchangeCurrencyPairManager != nil {
Bot.ExchangeCurrencyPairManager.update(ws.GetName(),
d.Pair,
d.AssetType,
SyncItemTicker,
nil)
}
err := ticker.ProcessTicker(ws.GetName(), d, d.AssetType)
printTickerSummary(d, d.Pair, d.AssetType, ws.GetName(), "websocket", err)
case wshandler.KlineData:
// Websocket Kline Data
if Bot.Settings.Verbose {
log.Infof(log.WebsocketMgr, "%s websocket %s %s kline updated %+v\n",
ws.GetName(),
FormatCurrency(d.Pair),
d.AssetType,
d)
}
case wshandler.WebsocketOrderbookUpdate:
// Websocket Orderbook Data
result := data.(wshandler.WebsocketOrderbookUpdate)
if Bot.Settings.EnableExchangeSyncManager && Bot.ExchangeCurrencyPairManager != nil {
Bot.ExchangeCurrencyPairManager.update(ws.GetName(),
result.Pair,
result.Asset,
SyncItemOrderbook,
nil)
}
if Bot.Settings.Verbose {
log.Infof(log.WebsocketMgr,
"%s websocket %s %s orderbook updated\n",
ws.GetName(),
FormatCurrency(result.Pair),
d.Asset)
}
default:
if Bot.Settings.Verbose {
log.Warnf(log.WebsocketMgr,
"%s websocket Unknown type: %+v\n",
ws.GetName(),
d)
}
}
}
}
}