bbgo_origin/pkg/strategy/schedule/strategy.go
2021-05-02 18:03:41 +08:00

98 lines
2.3 KiB
Go

package schedule
import (
"context"
"github.com/c9s/bbgo/pkg/fixedpoint"
log "github.com/sirupsen/logrus"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/types"
)
const ID = "schedule"
func init() {
bbgo.RegisterStrategy(ID, &Strategy{})
}
type Strategy struct {
Market types.Market
Notifiability *bbgo.Notifiability
// Interval is the period that you want to submit order
Interval types.Interval `json:"interval"`
// Symbol is the symbol of the market
Symbol string `json:"symbol"`
// Side is the order side type, which can be buy or sell
Side types.SideType `json:"side"`
// Quantity is the quantity of the submit order
Quantity fixedpoint.Value `json:"quantity,omitempty"`
Amount fixedpoint.Value `json:"amount,omitempty"`
}
func (s *Strategy) ID() string {
return ID
}
func (s *Strategy) Subscribe(session *bbgo.ExchangeSession) {
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{Interval: s.Interval.String()})
}
func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
session.Stream.OnKLineClosed(func(kline types.KLine) {
if kline.Symbol != s.Symbol {
return
}
closePrice := kline.Close
quantity := s.Quantity.Float64()
if s.Amount > 0 {
quantity = s.Amount.Float64() / closePrice
}
quoteQuantity := quantity * closePrice
switch s.Side {
case types.SideTypeBuy:
quoteBalance, ok := session.Account.Balance(s.Market.QuoteCurrency)
if !ok {
return
}
if quoteBalance.Available.Float64() < quoteQuantity {
s.Notifiability.Notify("quote balance %s is not enough: %f < %f", s.Market.QuoteCurrency, quoteBalance.Available.Float64(), quoteQuantity)
return
}
case types.SideTypeSell:
baseBalance, ok := session.Account.Balance(s.Market.BaseCurrency)
if !ok {
return
}
if baseBalance.Available.Float64() < quantity {
s.Notifiability.Notify("base balance %s is not enough: %f < %f", s.Market.QuoteCurrency, baseBalance.Available.Float64(), quantity)
return
}
}
_, err := orderExecutor.SubmitOrders(ctx, types.SubmitOrder{
Symbol: s.Symbol,
Side: s.Side,
Type: types.OrderTypeMarket,
Quantity: quantity,
})
if err != nil {
log.WithError(err).Error("submit order error")
}
})
return nil
}