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fix bollinger indicator history kline push

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c9s 2024-01-24 16:25:28 +08:00
parent 884b8f2b45
commit dd07bc7159
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GPG Key ID: 7385E7E464CB0A54
2 changed files with 5 additions and 3 deletions
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5
pkg/bbgo/environment.go
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@ -188,8 +188,9 @@ func (environ *Environment) ConfigureDatabase(ctx context.Context, config *Confi
dbDriver = "mysql" dbDriver = "mysql"
} }
if dbDriver == "" { // database is optional
return fmt.Errorf("either env DB_DRIVER or config.Driver is not set") if dbDriver == "" || dbDSN == "" {
return nil
} }
return environ.ConfigureDatabaseDriver(ctx, dbDriver, dbDSN, extraPkgNames...) return environ.ConfigureDatabaseDriver(ctx, dbDriver, dbDSN, extraPkgNames...)

3
pkg/indicator/v2/boll.go
View File

@ -38,7 +38,6 @@ func BOLL(source types.Float64Source, window int, k float64) *BOLLStream {
SMA: sma, SMA: sma,
StdDev: stdDev, StdDev: stdDev,
} }
s.Bind(source, s)
// on band update // on band update
s.Float64Series.OnUpdate(func(band float64) { s.Float64Series.OnUpdate(func(band float64) {
@ -46,6 +45,8 @@ func BOLL(source types.Float64Source, window int, k float64) *BOLLStream {
s.UpBand.PushAndEmit(mid + band) s.UpBand.PushAndEmit(mid + band)
s.DownBand.PushAndEmit(mid - band) s.DownBand.PushAndEmit(mid - band)
}) })
s.Bind(source, s)
return s return s
} }