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fix error when bollinger settings is not set

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This commit is contained in:
narumi 2024-08-21 13:28:22 +08:00
parent a91685920e
commit 731fa9af7e
1 changed files with 17 additions and 3 deletions
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16
pkg/strategy/autobuy/strategy.go
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@ -67,6 +67,16 @@ func (s *Strategy) Validate() error {
if err := s.QuantityOrAmount.Validate(); err != nil {
return err
}
if s.Bollinger != nil {
if s.Bollinger.Interval == "" {
return fmt.Errorf("bollinger interval is required")
}
if s.Bollinger.BandWidth <= 0 {
return fmt.Errorf("bollinger band width must be greater than 0")
}
}
return nil
}
@ -78,13 +88,17 @@ func (s *Strategy) Defaults() error {
}
func (s *Strategy) Subscribe(session *bbgo.ExchangeSession) {
if s.Bollinger != nil {
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{Interval: s.Bollinger.Interval})
}
}
func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
s.Strategy.Initialize(ctx, s.Environment, session, s.Market, ID, s.InstanceID())
if s.Bollinger != nil {
s.boll = session.Indicators(s.Symbol).BOLL(s.Bollinger.IntervalWindow, s.Bollinger.BandWidth)
}
s.OrderExecutor.ActiveMakerOrders().OnFilled(func(order types.Order) {
s.autobuy(ctx)
@ -130,7 +144,7 @@ func (s *Strategy) autobuy(ctx context.Context) {
side := types.SideTypeBuy
price := s.PriceType.Map(ticker, side)
if price.Float64() > s.boll.UpBand.Last(0) {
if s.boll != nil && price.Float64() > s.boll.UpBand.Last(0) {
log.Infof("price %s is higher than upper band %f, skip", price.String(), s.boll.UpBand.Last(0))
return
}