mirror of
https://github.com/c9s/bbgo.git
synced 2024-11-27 17:25:16 +00:00
563 lines
17 KiB
Go
563 lines
17 KiB
Go
package elliottwave
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"math"
|
|
"os"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
|
|
"github.com/c9s/bbgo/pkg/bbgo"
|
|
"github.com/c9s/bbgo/pkg/datatype/floats"
|
|
"github.com/c9s/bbgo/pkg/fixedpoint"
|
|
"github.com/c9s/bbgo/pkg/indicator"
|
|
"github.com/c9s/bbgo/pkg/types"
|
|
"github.com/c9s/bbgo/pkg/util"
|
|
)
|
|
|
|
const ID = "elliottwave"
|
|
|
|
var log = logrus.WithField("strategy", ID)
|
|
var Two fixedpoint.Value = fixedpoint.NewFromInt(2)
|
|
var Three fixedpoint.Value = fixedpoint.NewFromInt(3)
|
|
var Four fixedpoint.Value = fixedpoint.NewFromInt(4)
|
|
var Delta fixedpoint.Value = fixedpoint.NewFromFloat(0.00001)
|
|
|
|
func init() {
|
|
bbgo.RegisterStrategy(ID, &Strategy{})
|
|
}
|
|
|
|
type SourceFunc func(*types.KLine) fixedpoint.Value
|
|
|
|
type Strategy struct {
|
|
Symbol string `json:"symbol"`
|
|
|
|
bbgo.OpenPositionOptions
|
|
bbgo.StrategyController
|
|
bbgo.SourceSelector
|
|
types.Market
|
|
Session *bbgo.ExchangeSession
|
|
|
|
Interval types.Interval `json:"interval"`
|
|
MinInterval types.Interval `json:"minInterval"`
|
|
Stoploss fixedpoint.Value `json:"stoploss" modifiable:"true"`
|
|
WindowATR int `json:"windowATR"`
|
|
WindowQuick int `json:"windowQuick"`
|
|
WindowSlow int `json:"windowSlow"`
|
|
PendingMinInterval int `json:"pendingMinInterval" modifiable:"true"`
|
|
UseHeikinAshi bool `json:"useHeikinAshi"`
|
|
|
|
// whether to draw graph or not by the end of backtest
|
|
DrawGraph bool `json:"drawGraph"`
|
|
GraphIndicatorPath string `json:"graphIndicatorPath"`
|
|
GraphPNLPath string `json:"graphPNLPath"`
|
|
GraphCumPNLPath string `json:"graphCumPNLPath"`
|
|
|
|
*bbgo.Environment
|
|
*bbgo.GeneralOrderExecutor
|
|
*types.Position `persistence:"position"`
|
|
*types.ProfitStats `persistence:"profit_stats"`
|
|
*types.TradeStats `persistence:"trade_stats"`
|
|
|
|
ewo *ElliottWave
|
|
atr *indicator.ATR
|
|
heikinAshi *HeikinAshi
|
|
|
|
priceLines *types.Queue
|
|
|
|
getLastPrice func() fixedpoint.Value
|
|
|
|
// for smart cancel
|
|
orderPendingCounter map[uint64]int
|
|
startTime time.Time
|
|
counter int
|
|
|
|
// for position
|
|
buyPrice float64 `persistence:"buy_price"`
|
|
sellPrice float64 `persistence:"sell_price"`
|
|
highestPrice float64 `persistence:"highest_price"`
|
|
lowestPrice float64 `persistence:"lowest_price"`
|
|
|
|
TrailingCallbackRate []float64 `json:"trailingCallbackRate" modifiable:"true"`
|
|
TrailingActivationRatio []float64 `json:"trailingActivationRatio" modifiable:"true"`
|
|
ExitMethods bbgo.ExitMethodSet `json:"exits"`
|
|
|
|
midPrice fixedpoint.Value
|
|
lock sync.RWMutex `ignore:"true"`
|
|
}
|
|
|
|
func (s *Strategy) ID() string {
|
|
return ID
|
|
}
|
|
|
|
func (s *Strategy) InstanceID() string {
|
|
return fmt.Sprintf("%s:%s:%v", ID, s.Symbol, bbgo.IsBackTesting)
|
|
}
|
|
|
|
func (s *Strategy) Subscribe(session *bbgo.ExchangeSession) {
|
|
// by default, bbgo only pre-subscribe 1000 klines.
|
|
// this is not enough if we're subscribing 30m intervals using SerialMarketDataStore
|
|
if !bbgo.IsBackTesting {
|
|
session.Subscribe(types.BookTickerChannel, s.Symbol, types.SubscribeOptions{})
|
|
session.Subscribe(types.MarketTradeChannel, s.Symbol, types.SubscribeOptions{})
|
|
if s.MinInterval.Milliseconds() >= types.Interval1s.Milliseconds() && s.MinInterval.Milliseconds()%types.Interval1s.Milliseconds() == 0 {
|
|
bbgo.KLinePreloadLimit = int64(((s.Interval.Milliseconds()/s.MinInterval.Milliseconds())*s.WindowSlow/1000 + 1) + 1000)
|
|
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{
|
|
Interval: s.MinInterval,
|
|
})
|
|
} else {
|
|
bbgo.KLinePreloadLimit = 0
|
|
}
|
|
} else {
|
|
bbgo.KLinePreloadLimit = int64((s.Interval.Milliseconds()/s.MinInterval.Milliseconds()*s.WindowSlow/1000 + 1) + 1000)
|
|
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{
|
|
Interval: s.MinInterval,
|
|
})
|
|
}
|
|
s.ExitMethods.SetAndSubscribe(session, s)
|
|
}
|
|
|
|
func (s *Strategy) CurrentPosition() *types.Position {
|
|
return s.Position
|
|
}
|
|
|
|
func (s *Strategy) ClosePosition(ctx context.Context, percentage fixedpoint.Value) error {
|
|
order := s.Position.NewMarketCloseOrder(percentage)
|
|
if order == nil {
|
|
return nil
|
|
}
|
|
order.Tag = "close"
|
|
order.TimeInForce = ""
|
|
balances := s.GeneralOrderExecutor.Session().GetAccount().Balances()
|
|
baseBalance := balances[s.Market.BaseCurrency].Available
|
|
price := s.getLastPrice()
|
|
if order.Side == types.SideTypeBuy {
|
|
quoteAmount := balances[s.Market.QuoteCurrency].Available.Div(price)
|
|
if order.Quantity.Compare(quoteAmount) > 0 {
|
|
order.Quantity = quoteAmount
|
|
}
|
|
} else if order.Side == types.SideTypeSell && order.Quantity.Compare(baseBalance) > 0 {
|
|
order.Quantity = baseBalance
|
|
}
|
|
order.MarginSideEffect = types.SideEffectTypeAutoRepay
|
|
for {
|
|
if s.Market.IsDustQuantity(order.Quantity, price) {
|
|
return nil
|
|
}
|
|
_, err := s.GeneralOrderExecutor.SubmitOrders(ctx, *order)
|
|
if err != nil {
|
|
order.Quantity = order.Quantity.Mul(fixedpoint.One.Sub(Delta))
|
|
continue
|
|
}
|
|
return nil
|
|
}
|
|
|
|
}
|
|
|
|
func (s *Strategy) initIndicators(store *bbgo.SerialMarketDataStore) error {
|
|
s.priceLines = types.NewQueue(300)
|
|
maSlow := &indicator.SMA{IntervalWindow: types.IntervalWindow{Interval: s.Interval, Window: s.WindowSlow}}
|
|
maQuick := &indicator.SMA{IntervalWindow: types.IntervalWindow{Interval: s.Interval, Window: s.WindowQuick}}
|
|
s.ewo = &ElliottWave{
|
|
maSlow: maSlow,
|
|
maQuick: maQuick,
|
|
}
|
|
s.atr = &indicator.ATR{IntervalWindow: types.IntervalWindow{Interval: s.Interval, Window: s.WindowATR}}
|
|
klines, ok := store.KLinesOfInterval(s.Interval)
|
|
klineLength := len(*klines)
|
|
if !ok || klineLength == 0 {
|
|
return errors.New("klines not exists")
|
|
}
|
|
s.heikinAshi = NewHeikinAshi(500)
|
|
|
|
for _, kline := range *klines {
|
|
source := s.GetSource(&kline).Float64()
|
|
s.ewo.Update(source)
|
|
s.atr.PushK(kline)
|
|
s.priceLines.Update(source)
|
|
s.heikinAshi.Update(kline)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// FIXME: stdevHigh
|
|
func (s *Strategy) smartCancel(ctx context.Context, pricef float64) int {
|
|
nonTraded := s.GeneralOrderExecutor.ActiveMakerOrders().Orders()
|
|
if len(nonTraded) > 0 {
|
|
left := 0
|
|
for _, order := range nonTraded {
|
|
if order.Status != types.OrderStatusNew && order.Status != types.OrderStatusPartiallyFilled {
|
|
continue
|
|
}
|
|
log.Warnf("%v | counter: %d, system: %d", order, s.orderPendingCounter[order.OrderID], s.counter)
|
|
toCancel := false
|
|
if s.counter-s.orderPendingCounter[order.OrderID] >= s.PendingMinInterval {
|
|
toCancel = true
|
|
} else if order.Side == types.SideTypeBuy {
|
|
if order.Price.Float64()+s.atr.Last(0)*2 <= pricef {
|
|
toCancel = true
|
|
}
|
|
} else if order.Side == types.SideTypeSell {
|
|
// 75% of the probability
|
|
if order.Price.Float64()-s.atr.Last(0)*2 >= pricef {
|
|
toCancel = true
|
|
}
|
|
} else {
|
|
panic("not supported side for the order")
|
|
}
|
|
if toCancel {
|
|
err := s.GeneralOrderExecutor.CancelOrders(ctx, order)
|
|
if err == nil {
|
|
delete(s.orderPendingCounter, order.OrderID)
|
|
} else {
|
|
log.WithError(err).Errorf("failed to cancel %v", order.OrderID)
|
|
}
|
|
log.Warnf("cancel %v", order.OrderID)
|
|
} else {
|
|
left += 1
|
|
}
|
|
}
|
|
return left
|
|
}
|
|
return len(nonTraded)
|
|
}
|
|
|
|
func (s *Strategy) trailingCheck(price float64, direction string) bool {
|
|
if s.highestPrice > 0 && s.highestPrice < price {
|
|
s.highestPrice = price
|
|
}
|
|
if s.lowestPrice > 0 && s.lowestPrice > price {
|
|
s.lowestPrice = price
|
|
}
|
|
isShort := direction == "short"
|
|
if isShort && s.sellPrice == 0 || !isShort && s.buyPrice == 0 {
|
|
return false
|
|
}
|
|
for i := len(s.TrailingCallbackRate) - 1; i >= 0; i-- {
|
|
trailingCallbackRate := s.TrailingCallbackRate[i]
|
|
trailingActivationRatio := s.TrailingActivationRatio[i]
|
|
if isShort {
|
|
if (s.sellPrice-s.lowestPrice)/s.lowestPrice > trailingActivationRatio {
|
|
return (price-s.lowestPrice)/s.lowestPrice > trailingCallbackRate
|
|
}
|
|
} else {
|
|
if (s.highestPrice-s.buyPrice)/s.buyPrice > trailingActivationRatio {
|
|
return (s.highestPrice-price)/s.buyPrice > trailingCallbackRate
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (s *Strategy) initTickerFunctions() {
|
|
if s.IsBackTesting() {
|
|
s.getLastPrice = func() fixedpoint.Value {
|
|
lastPrice, ok := s.Session.LastPrice(s.Symbol)
|
|
if !ok {
|
|
log.Error("cannot get lastprice")
|
|
}
|
|
return lastPrice
|
|
}
|
|
} else {
|
|
s.Session.MarketDataStream.OnBookTickerUpdate(func(ticker types.BookTicker) {
|
|
bestBid := ticker.Buy
|
|
bestAsk := ticker.Sell
|
|
if !util.TryLock(&s.lock) {
|
|
return
|
|
}
|
|
if !bestAsk.IsZero() && !bestBid.IsZero() {
|
|
s.midPrice = bestAsk.Add(bestBid).Div(Two)
|
|
} else if !bestAsk.IsZero() {
|
|
s.midPrice = bestAsk
|
|
} else if !bestBid.IsZero() {
|
|
s.midPrice = bestBid
|
|
}
|
|
s.lock.Unlock()
|
|
})
|
|
s.getLastPrice = func() (lastPrice fixedpoint.Value) {
|
|
var ok bool
|
|
s.lock.RLock()
|
|
defer s.lock.RUnlock()
|
|
if s.midPrice.IsZero() {
|
|
lastPrice, ok = s.Session.LastPrice(s.Symbol)
|
|
if !ok {
|
|
log.Error("cannot get lastprice")
|
|
return lastPrice
|
|
}
|
|
} else {
|
|
lastPrice = s.midPrice
|
|
}
|
|
return lastPrice
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
|
|
instanceID := s.InstanceID()
|
|
if s.Position == nil {
|
|
s.Position = types.NewPositionFromMarket(s.Market)
|
|
}
|
|
if s.ProfitStats == nil {
|
|
s.ProfitStats = types.NewProfitStats(s.Market)
|
|
}
|
|
if s.TradeStats == nil {
|
|
s.TradeStats = types.NewTradeStats(s.Symbol)
|
|
}
|
|
// StrategyController
|
|
s.Status = types.StrategyStatusRunning
|
|
s.OnSuspend(func() {
|
|
_ = s.GeneralOrderExecutor.GracefulCancel(ctx)
|
|
})
|
|
s.OnEmergencyStop(func() {
|
|
_ = s.GeneralOrderExecutor.GracefulCancel(ctx)
|
|
_ = s.ClosePosition(ctx, fixedpoint.One)
|
|
})
|
|
s.GeneralOrderExecutor = bbgo.NewGeneralOrderExecutor(session, s.Symbol, ID, instanceID, s.Position)
|
|
s.GeneralOrderExecutor.BindEnvironment(s.Environment)
|
|
s.GeneralOrderExecutor.BindProfitStats(s.ProfitStats)
|
|
s.GeneralOrderExecutor.BindTradeStats(s.TradeStats)
|
|
s.GeneralOrderExecutor.TradeCollector().OnPositionUpdate(func(p *types.Position) {
|
|
bbgo.Sync(ctx, s)
|
|
})
|
|
s.GeneralOrderExecutor.Bind()
|
|
|
|
s.orderPendingCounter = make(map[uint64]int)
|
|
s.counter = 0
|
|
|
|
for _, method := range s.ExitMethods {
|
|
method.Bind(session, s.GeneralOrderExecutor)
|
|
}
|
|
profit := floats.Slice{1., 1.}
|
|
price, _ := s.Session.LastPrice(s.Symbol)
|
|
initAsset := s.CalcAssetValue(price).Float64()
|
|
cumProfit := floats.Slice{initAsset, initAsset}
|
|
modify := func(p float64) float64 {
|
|
return p
|
|
}
|
|
s.GeneralOrderExecutor.TradeCollector().OnTrade(func(trade types.Trade, _profit, _netProfit fixedpoint.Value) {
|
|
price := trade.Price.Float64()
|
|
if s.buyPrice > 0 {
|
|
profit.Update(modify(price / s.buyPrice))
|
|
cumProfit.Update(s.CalcAssetValue(trade.Price).Float64())
|
|
} else if s.sellPrice > 0 {
|
|
profit.Update(modify(s.sellPrice / price))
|
|
cumProfit.Update(s.CalcAssetValue(trade.Price).Float64())
|
|
}
|
|
if s.Position.IsDust(trade.Price) {
|
|
s.buyPrice = 0
|
|
s.sellPrice = 0
|
|
s.highestPrice = 0
|
|
s.lowestPrice = 0
|
|
} else if s.Position.IsLong() {
|
|
s.buyPrice = s.Position.AverageCost.Float64()
|
|
s.sellPrice = 0
|
|
s.highestPrice = math.Max(s.buyPrice, s.highestPrice)
|
|
s.lowestPrice = 0
|
|
} else {
|
|
s.sellPrice = s.Position.AverageCost.Float64()
|
|
s.buyPrice = 0
|
|
s.highestPrice = 0
|
|
if s.lowestPrice == 0 {
|
|
s.lowestPrice = s.sellPrice
|
|
} else {
|
|
s.lowestPrice = math.Min(s.lowestPrice, s.sellPrice)
|
|
}
|
|
}
|
|
})
|
|
s.initTickerFunctions()
|
|
|
|
s.startTime = s.Environment.StartTime()
|
|
s.TradeStats.SetIntervalProfitCollector(types.NewIntervalProfitCollector(types.Interval1d, s.startTime))
|
|
s.TradeStats.SetIntervalProfitCollector(types.NewIntervalProfitCollector(types.Interval1w, s.startTime))
|
|
|
|
s.initOutputCommands()
|
|
|
|
// event trigger order: s.Interval => minInterval
|
|
store, ok := session.SerialMarketDataStore(ctx, s.Symbol, []types.Interval{s.Interval, s.MinInterval}, !bbgo.IsBackTesting)
|
|
if !ok {
|
|
panic("cannot get " + s.MinInterval + " history")
|
|
}
|
|
if err := s.initIndicators(store); err != nil {
|
|
log.WithError(err).Errorf("initIndicator failed")
|
|
return nil
|
|
}
|
|
s.InitDrawCommands(store, &profit, &cumProfit)
|
|
store.OnKLineClosed(func(kline types.KLine) {
|
|
s.counter = int(kline.StartTime.Time().Add(kline.Interval.Duration()).Sub(s.startTime).Milliseconds())
|
|
if kline.Interval == s.Interval {
|
|
s.klineHandler(ctx, kline)
|
|
} else if kline.Interval == s.MinInterval {
|
|
s.klineHandlerMin(ctx, kline)
|
|
}
|
|
})
|
|
|
|
bbgo.OnShutdown(ctx, func(ctx context.Context, wg *sync.WaitGroup) {
|
|
var buffer bytes.Buffer
|
|
for _, daypnl := range s.TradeStats.IntervalProfits[types.Interval1d].GetNonProfitableIntervals() {
|
|
fmt.Fprintf(&buffer, "%s\n", daypnl)
|
|
}
|
|
fmt.Fprintln(&buffer, s.TradeStats.BriefString())
|
|
s.Print(&buffer, true, true)
|
|
os.Stdout.Write(buffer.Bytes())
|
|
if s.DrawGraph {
|
|
s.Draw(store, &profit, &cumProfit)
|
|
}
|
|
wg.Done()
|
|
})
|
|
return nil
|
|
}
|
|
|
|
func (s *Strategy) CalcAssetValue(price fixedpoint.Value) fixedpoint.Value {
|
|
balances := s.Session.GetAccount().Balances()
|
|
return balances[s.Market.BaseCurrency].Total().Mul(price).Add(balances[s.Market.QuoteCurrency].Total())
|
|
}
|
|
|
|
func (s *Strategy) klineHandlerMin(ctx context.Context, kline types.KLine) {
|
|
if s.Status != types.StrategyStatusRunning {
|
|
return
|
|
}
|
|
|
|
stoploss := s.Stoploss.Float64()
|
|
price := s.getLastPrice()
|
|
pricef := price.Float64()
|
|
atr := s.atr.Last(0)
|
|
|
|
numPending := s.smartCancel(ctx, pricef)
|
|
if numPending > 0 {
|
|
log.Infof("pending orders: %d, exit", numPending)
|
|
return
|
|
}
|
|
lowf := math.Min(kline.Low.Float64(), pricef)
|
|
highf := math.Max(kline.High.Float64(), pricef)
|
|
if s.lowestPrice > 0 && lowf < s.lowestPrice {
|
|
s.lowestPrice = lowf
|
|
}
|
|
if s.highestPrice > 0 && highf > s.highestPrice {
|
|
s.highestPrice = highf
|
|
}
|
|
exitShortCondition := s.sellPrice > 0 && (s.sellPrice*(1.+stoploss) <= highf || s.sellPrice+atr <= highf ||
|
|
s.trailingCheck(highf, "short"))
|
|
exitLongCondition := s.buyPrice > 0 && (s.buyPrice*(1.-stoploss) >= lowf || s.buyPrice-atr >= lowf ||
|
|
s.trailingCheck(lowf, "long"))
|
|
|
|
if exitShortCondition || exitLongCondition {
|
|
_ = s.ClosePosition(ctx, fixedpoint.One)
|
|
}
|
|
}
|
|
|
|
func (s *Strategy) klineHandler(ctx context.Context, kline types.KLine) {
|
|
s.heikinAshi.Update(kline)
|
|
source := s.GetSource(&kline)
|
|
sourcef := source.Float64()
|
|
s.priceLines.Update(sourcef)
|
|
if s.UseHeikinAshi {
|
|
source := s.GetSource(s.heikinAshi.Last())
|
|
sourcef := source.Float64()
|
|
s.ewo.Update(sourcef)
|
|
} else {
|
|
s.ewo.Update(sourcef)
|
|
}
|
|
s.atr.PushK(kline)
|
|
|
|
if s.Status != types.StrategyStatusRunning {
|
|
return
|
|
}
|
|
|
|
stoploss := s.Stoploss.Float64()
|
|
price := s.getLastPrice()
|
|
pricef := price.Float64()
|
|
lowf := math.Min(kline.Low.Float64(), pricef)
|
|
highf := math.Min(kline.High.Float64(), pricef)
|
|
|
|
s.smartCancel(ctx, pricef)
|
|
|
|
atr := s.atr.Last(0)
|
|
ewo := types.Array(s.ewo, 4)
|
|
if len(ewo) < 4 {
|
|
return
|
|
}
|
|
bull := kline.Close.Compare(kline.Open) > 0
|
|
|
|
balances := s.GeneralOrderExecutor.Session().GetAccount().Balances()
|
|
startTime := kline.StartTime.Time()
|
|
if startTime.Round(time.Second) == startTime.Round(time.Minute) {
|
|
bbgo.Notify("source: %.4f, price: %.4f lowest: %.4f highest: %.4f sp %.4f bp %.4f", sourcef, pricef, s.lowestPrice, s.highestPrice, s.sellPrice, s.buyPrice)
|
|
bbgo.Notify("balances: [Total] %v %s [Base] %s(%v %s) [Quote] %s",
|
|
s.CalcAssetValue(price),
|
|
s.Market.QuoteCurrency,
|
|
balances[s.Market.BaseCurrency].String(),
|
|
balances[s.Market.BaseCurrency].Total().Mul(price),
|
|
s.Market.QuoteCurrency,
|
|
balances[s.Market.QuoteCurrency].String(),
|
|
)
|
|
}
|
|
|
|
shortCondition := ewo[0] < ewo[1] && ewo[1] >= ewo[2] && (ewo[1] <= ewo[2] || ewo[2] >= ewo[3]) || s.sellPrice == 0 && ewo[0] < ewo[1] && ewo[1] < ewo[2]
|
|
longCondition := ewo[0] > ewo[1] && ewo[1] <= ewo[2] && (ewo[1] >= ewo[2] || ewo[2] <= ewo[3]) || s.buyPrice == 0 && ewo[0] > ewo[1] && ewo[1] > ewo[2]
|
|
|
|
exitShortCondition := s.sellPrice > 0 && !shortCondition && s.sellPrice*(1.+stoploss) <= highf || s.sellPrice+atr <= highf || s.trailingCheck(highf, "short")
|
|
exitLongCondition := s.buyPrice > 0 && !longCondition && s.buyPrice*(1.-stoploss) >= lowf || s.buyPrice-atr >= lowf || s.trailingCheck(lowf, "long")
|
|
|
|
if exitShortCondition || exitLongCondition || (longCondition && bull) || (shortCondition && !bull) {
|
|
if hold := s.smartCancel(ctx, pricef); hold > 0 {
|
|
return
|
|
}
|
|
} else {
|
|
s.smartCancel(ctx, pricef)
|
|
return
|
|
}
|
|
if exitShortCondition || exitLongCondition {
|
|
s.ClosePosition(ctx, fixedpoint.One)
|
|
}
|
|
|
|
if longCondition && bull {
|
|
if source.Compare(price) > 0 {
|
|
source = price
|
|
}
|
|
opt := s.OpenPositionOptions
|
|
opt.Long = true
|
|
opt.Price = source
|
|
opt.Tags = []string{"long"}
|
|
log.Infof("source in long %v %v", source, price)
|
|
createdOrders, err := s.GeneralOrderExecutor.OpenPosition(ctx, opt)
|
|
if err != nil {
|
|
if _, ok := err.(types.ZeroAssetError); ok {
|
|
return
|
|
}
|
|
log.WithError(err).Errorf("cannot place buy order: %v %v", source, kline)
|
|
return
|
|
}
|
|
if createdOrders != nil {
|
|
s.orderPendingCounter[createdOrders[0].OrderID] = s.counter
|
|
}
|
|
return
|
|
}
|
|
if shortCondition && !bull {
|
|
if source.Compare(price) < 0 {
|
|
source = price
|
|
}
|
|
opt := s.OpenPositionOptions
|
|
opt.Short = true
|
|
opt.Price = source
|
|
opt.Tags = []string{"short"}
|
|
log.Infof("source in short %v %v", source, price)
|
|
createdOrders, err := s.GeneralOrderExecutor.OpenPosition(ctx, opt)
|
|
if err != nil {
|
|
if _, ok := err.(types.ZeroAssetError); ok {
|
|
return
|
|
}
|
|
log.WithError(err).Errorf("cannot place sell order: %v %v", source, kline)
|
|
return
|
|
}
|
|
if createdOrders != nil {
|
|
s.orderPendingCounter[createdOrders[0].OrderID] = s.counter
|
|
}
|
|
return
|
|
}
|
|
}
|