pivotshort: move resistance short to a single file

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c9s 2022-07-01 01:24:34 +08:00
parent 454036b166
commit 503d851c9d
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2 changed files with 147 additions and 135 deletions

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@ -0,0 +1,145 @@
package pivotshort
import (
"context"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/fixedpoint"
"github.com/c9s/bbgo/pkg/indicator"
"github.com/c9s/bbgo/pkg/types"
)
type ResistanceShort struct {
Enabled bool `json:"enabled"`
Symbol string `json:"-"`
Market types.Market `json:"-"`
types.IntervalWindow
MinDistance fixedpoint.Value `json:"minDistance"`
NumLayers int `json:"numLayers"`
LayerSpread fixedpoint.Value `json:"layerSpread"`
Quantity fixedpoint.Value `json:"quantity"`
Ratio fixedpoint.Value `json:"ratio"`
session *bbgo.ExchangeSession
orderExecutor *bbgo.GeneralOrderExecutor
resistancePivot *indicator.Pivot
resistancePrices []float64
nextResistancePrice fixedpoint.Value
activeOrders *bbgo.ActiveOrderBook
}
func (s *ResistanceShort) Bind(session *bbgo.ExchangeSession, orderExecutor *bbgo.GeneralOrderExecutor) {
s.session = session
s.orderExecutor = orderExecutor
s.activeOrders = bbgo.NewActiveOrderBook(s.Symbol)
s.activeOrders.BindStream(session.UserDataStream)
store, _ := session.MarketDataStore(s.Symbol)
s.resistancePivot = &indicator.Pivot{IntervalWindow: s.IntervalWindow}
s.resistancePivot.Bind(store)
// preload history kline data to the resistance pivot indicator
// we use the last kline to find the higher lows
lastKLine := preloadPivot(s.resistancePivot, store)
// use the last kline from the history before we get the next closed kline
if lastKLine != nil {
s.findNextResistancePriceAndPlaceOrders(lastKLine.Close)
}
session.MarketDataStream.OnKLineClosed(types.KLineWith(s.Symbol, s.Interval, func(kline types.KLine) {
position := s.orderExecutor.Position()
if position.IsOpened(kline.Close) {
return
}
s.findNextResistancePriceAndPlaceOrders(kline.Close)
}))
}
func (s *ResistanceShort) findNextResistancePriceAndPlaceOrders(closePrice fixedpoint.Value) {
minDistance := s.MinDistance.Float64()
lows := s.resistancePivot.Lows
resistancePrices := findPossibleResistancePrices(closePrice.Float64(), minDistance, lows)
log.Infof("last price: %f, possible resistance prices: %+v", closePrice.Float64(), resistancePrices)
ctx := context.Background()
if len(resistancePrices) > 0 {
nextResistancePrice := fixedpoint.NewFromFloat(resistancePrices[0])
if nextResistancePrice.Compare(s.nextResistancePrice) != 0 {
bbgo.Notify("Found next resistance price: %f", nextResistancePrice.Float64())
s.nextResistancePrice = nextResistancePrice
s.placeResistanceOrders(ctx, nextResistancePrice)
}
}
}
func (s *ResistanceShort) placeResistanceOrders(ctx context.Context, resistancePrice fixedpoint.Value) {
futuresMode := s.session.Futures || s.session.IsolatedFutures
_ = futuresMode
totalQuantity := s.Quantity
numLayers := s.NumLayers
if numLayers == 0 {
numLayers = 1
}
numLayersF := fixedpoint.NewFromInt(int64(numLayers))
layerSpread := s.LayerSpread
quantity := totalQuantity.Div(numLayersF)
if s.activeOrders.NumOfOrders() > 0 {
if err := s.orderExecutor.GracefulCancelActiveOrderBook(ctx, s.activeOrders); err != nil {
log.WithError(err).Errorf("can not cancel resistance orders: %+v", s.activeOrders.Orders())
}
}
log.Infof("placing resistance orders: resistance price = %f, layer quantity = %f, num of layers = %d", resistancePrice.Float64(), quantity.Float64(), numLayers)
var orderForms []types.SubmitOrder
for i := 0; i < numLayers; i++ {
balances := s.session.GetAccount().Balances()
quoteBalance := balances[s.Market.QuoteCurrency]
baseBalance := balances[s.Market.BaseCurrency]
_ = quoteBalance
_ = baseBalance
// price = (resistance_price * (1.0 + ratio)) * ((1.0 + layerSpread) * i)
price := resistancePrice.Mul(fixedpoint.One.Add(s.Ratio))
spread := layerSpread.Mul(fixedpoint.NewFromInt(int64(i)))
price = price.Add(spread)
log.Infof("price = %f", price.Float64())
log.Infof("placing bounce short order #%d: price = %f, quantity = %f", i, price.Float64(), quantity.Float64())
orderForms = append(orderForms, types.SubmitOrder{
Symbol: s.Symbol,
Side: types.SideTypeSell,
Type: types.OrderTypeLimitMaker,
Price: price,
Quantity: quantity,
Tag: "resistanceShort",
})
// TODO: fix futures mode later
/*
if futuresMode {
if quantity.Mul(price).Compare(quoteBalance.Available) <= 0 {
}
}
*/
}
createdOrders, err := s.orderExecutor.SubmitOrders(ctx, orderForms...)
if err != nil {
log.WithError(err).Errorf("can not place resistance order")
}
s.activeOrders.Add(createdOrders...)
}

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@ -48,139 +48,6 @@ type BreakLow struct {
StopEMA *types.IntervalWindow `json:"stopEMA"`
}
type ResistanceShort struct {
Enabled bool `json:"enabled"`
Symbol string `json:"-"`
Market types.Market `json:"-"`
types.IntervalWindow
MinDistance fixedpoint.Value `json:"minDistance"`
NumLayers int `json:"numLayers"`
LayerSpread fixedpoint.Value `json:"layerSpread"`
Quantity fixedpoint.Value `json:"quantity"`
Ratio fixedpoint.Value `json:"ratio"`
session *bbgo.ExchangeSession
orderExecutor *bbgo.GeneralOrderExecutor
resistancePivot *indicator.Pivot
resistancePrices []float64
nextResistancePrice fixedpoint.Value
activeOrders *bbgo.ActiveOrderBook
}
func (s *ResistanceShort) Bind(session *bbgo.ExchangeSession, orderExecutor *bbgo.GeneralOrderExecutor) {
s.session = session
s.orderExecutor = orderExecutor
s.activeOrders = bbgo.NewActiveOrderBook(s.Symbol)
s.activeOrders.BindStream(session.UserDataStream)
store, _ := session.MarketDataStore(s.Symbol)
s.resistancePivot = &indicator.Pivot{IntervalWindow: s.IntervalWindow}
s.resistancePivot.Bind(store)
// preload history kline data to the resistance pivot indicator
// we use the last kline to find the higher lows
lastKLine := preloadPivot(s.resistancePivot, store)
// use the last kline from the history before we get the next closed kline
if lastKLine != nil {
s.findNextResistancePriceAndPlaceOrders(lastKLine.Close)
}
session.MarketDataStream.OnKLineClosed(types.KLineWith(s.Symbol, s.Interval, func(kline types.KLine) {
position := s.orderExecutor.Position()
if position.IsOpened(kline.Close) {
return
}
s.findNextResistancePriceAndPlaceOrders(kline.Close)
}))
}
func (s *ResistanceShort) findNextResistancePriceAndPlaceOrders(closePrice fixedpoint.Value) {
minDistance := s.MinDistance.Float64()
lows := s.resistancePivot.Lows
resistancePrices := findPossibleResistancePrices(closePrice.Float64(), minDistance, lows)
log.Infof("last price: %f, possible resistance prices: %+v", closePrice.Float64(), resistancePrices)
ctx := context.Background()
if len(resistancePrices) > 0 {
nextResistancePrice := fixedpoint.NewFromFloat(resistancePrices[0])
if nextResistancePrice.Compare(s.nextResistancePrice) != 0 {
bbgo.Notify("Found next resistance price: %f", nextResistancePrice.Float64())
s.nextResistancePrice = nextResistancePrice
s.placeResistanceOrders(ctx, nextResistancePrice)
}
}
}
func (s *ResistanceShort) placeResistanceOrders(ctx context.Context, resistancePrice fixedpoint.Value) {
futuresMode := s.session.Futures || s.session.IsolatedFutures
_ = futuresMode
totalQuantity := s.Quantity
numLayers := s.NumLayers
if numLayers == 0 {
numLayers = 1
}
numLayersF := fixedpoint.NewFromInt(int64(numLayers))
layerSpread := s.LayerSpread
quantity := totalQuantity.Div(numLayersF)
if err := s.orderExecutor.CancelOrders(ctx, s.activeOrders.Orders()...); err != nil {
log.WithError(err).Errorf("can not cancel resistance orders: %+v", s.activeOrders.Orders())
}
log.Infof("placing resistance orders: resistance price = %f, layer quantity = %f, num of layers = %d", resistancePrice.Float64(), quantity.Float64(), numLayers)
var orderForms []types.SubmitOrder
for i := 0; i < numLayers; i++ {
balances := s.session.GetAccount().Balances()
quoteBalance := balances[s.Market.QuoteCurrency]
baseBalance := balances[s.Market.BaseCurrency]
_ = quoteBalance
_ = baseBalance
// price = (resistance_price * (1.0 + ratio)) * ((1.0 + layerSpread) * i)
price := resistancePrice.Mul(fixedpoint.One.Add(s.Ratio))
spread := layerSpread.Mul(fixedpoint.NewFromInt(int64(i)))
price = price.Add(spread)
log.Infof("price = %f", price.Float64())
log.Infof("placing bounce short order #%d: price = %f, quantity = %f", i, price.Float64(), quantity.Float64())
orderForms = append(orderForms, types.SubmitOrder{
Symbol: s.Symbol,
Side: types.SideTypeSell,
Type: types.OrderTypeLimitMaker,
Price: price,
Quantity: quantity,
Tag: "resistanceShort",
})
// TODO: fix futures mode later
/*
if futuresMode {
if quantity.Mul(price).Compare(quoteBalance.Available) <= 0 {
}
}
*/
}
createdOrders, err := s.orderExecutor.SubmitOrders(ctx, orderForms...)
if err != nil {
log.WithError(err).Errorf("can not place resistance order")
}
s.activeOrders.Add(createdOrders...)
}
type Strategy struct {
Environment *bbgo.Environment
Symbol string `json:"symbol"`
@ -356,8 +223,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
return
}
// we need the price cross the break line
// or we do nothing
// we need the price cross the break line or we do nothing
if !(openPrice.Compare(breakPrice) > 0 && closePrice.Compare(breakPrice) < 0) {
return
}
@ -378,6 +244,7 @@ func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, se
}
}
// graceful cancel all active orders
_ = s.orderExecutor.GracefulCancel(ctx)
quantity := s.useQuantityOrBaseBalance(s.BreakLow.Quantity)