common

package
v0.1.8 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Apr 4, 2023 License: BSD-3-Clause Imports: 16 Imported by: 12

Documentation

Index

Constants

View Source 
const (
	DefaultBinSizes = "1m, 5m, 15m, 30m, 1h, 4h, 1d"
)

Variables

View Source 
var (
	ErrNoBalance = errors.New("no balance")
	Zero         = decimal.NewFromInt(0)
)
View Source 
var (
	Day  = time.Hour * 24
	Week = time.Hour * 24 * 7
)

Functions

func Copy 

func Copy(dst, src string) (err error)

func CopyWithMainPkg 

func CopyWithMainPkg(dst, src string) (err error)

func FloatAdd 

func FloatAdd(a, b float64) float64

FloatAdd return a*b

func FloatDiv 

func FloatDiv(a, b float64) float64

FloatDiv return a/b

func FloatMul 

func FloatMul(a, b float64) float64

FloatMul return a*b

func FloatSub 

func FloatSub(a, b float64) float64

FloatSub return a-b

func FormatFloat 

func FormatFloat(n float64, precision int) float64

FormatFloat format float with precision

func GetBinSizeDuration 

func GetBinSizeDuration(str string) (duration time.Duration, err error)

GetBinSizeDuration get duration of the binsize

func GetExecDir 

func GetExecDir() string

GetExecDir return exec dir

func MergeKlineChan 

func MergeKlineChan(klines chan []interface{}, srcDuration, dstDuration time.Duration) (rets chan []interface{})

MergeKlineChan merge kline data

func OpenURL 

func OpenURL(strURL string) error

func ParseBinSizes 

func ParseBinSizes(str string) (durations []time.Duration, err error)

ParseBinSizes parse binsizes

func ParseBinStrs 

func ParseBinStrs(str string) (strs []string)

ParseBinStrs parse binsizes to strs

Types

type CandleFn 

type CandleFn func(candle *trademodel.Candle)

type Entry added in v0.0.7 

type Entry struct {
	Value interface{}
	Label string
}

type KlineMerge 

type KlineMerge struct {
	// contains filtered or unexported fields
}

KlineMerge merge kline to new duration

func NewKlineMerge 

func NewKlineMerge(src, dst time.Duration) *KlineMerge

NewKlineMerge merge kline constructor

func NewKlineMergeStr 

func NewKlineMergeStr(src, dst string) *KlineMerge

NewKlineMergeStr new KlineMerge with string duration

func (*KlineMerge) GetDst 

func (km *KlineMerge) GetDst() int64

GetDst return kline dst duration secs

func (*KlineMerge) GetDstDuration 

func (km *KlineMerge) GetDstDuration() time.Duration

GetDstDuration get kline dst duration

func (*KlineMerge) GetSrc 

func (km *KlineMerge) GetSrc() int64

GetSrc return kline source duration secs

func (*KlineMerge) GetSrcDuration 

func (km *KlineMerge) GetSrcDuration() time.Duration

GetSrcDuration get kline source duration

func (*KlineMerge) GetUnFinished added in v0.1.7 

func (km *KlineMerge) GetUnFinished() (ret interface{})

func (*KlineMerge) IsFirst 

func (km *KlineMerge) IsFirst() bool

IsFirst is first time

func (*KlineMerge) NeedMerge 

func (km *KlineMerge) NeedMerge() bool

NeedMerge is kline need merge

func (*KlineMerge) Update 

func (km *KlineMerge) Update(data interface{}) (ret interface{})

Update update candle, and return new kline candle return nil if no new kline candle

type LeverBalance added in v0.1.7 

type LeverBalance struct {
	// contains filtered or unexported fields
}

func NewLeverBalance added in v0.1.7 

func NewLeverBalance() *LeverBalance

func (*LeverBalance) AddTrade added in v0.1.7 

func (b *LeverBalance) AddTrade(tr Trade) (profit, onceFee float64, err error)

func (*LeverBalance) CheckLiquidation added in v0.1.7 

func (b *LeverBalance) CheckLiquidation(price float64) (liqPrice float64, isLiq bool)

func (*LeverBalance) Get added in v0.1.7 

func (b *LeverBalance) Get() (total float64)

func (*LeverBalance) GetFeeTotal added in v0.1.7 

func (b *LeverBalance) GetFeeTotal() float64

func (*LeverBalance) Pos added in v0.1.7 

func (b *LeverBalance) Pos() (pos float64)

func (*LeverBalance) Set added in v0.1.7 

func (b *LeverBalance) Set(total float64)

func (*LeverBalance) SetFee added in v0.1.7 

func (b *LeverBalance) SetFee(fee float64)

func (*LeverBalance) SetLever added in v0.1.7 

func (b *LeverBalance) SetLever(lever float64)

type Param 

type Param struct {
	Name     string
	Type     string
	Label    string
	Info     string
	DefValue interface{}
	Enums    []Entry
	// contains filtered or unexported fields
}

func BoolParam added in v0.0.8 

func BoolParam(name, label, info string, defValue bool, ptr *bool, enums ...Entry) Param

func FloatParam added in v0.0.8 

func FloatParam(name, label, info string, defValue float64, ptr *float64, enums ...Entry) Param

func IntParam added in v0.0.8 

func IntParam(name, label, info string, defValue int, ptr *int, enums ...Entry) Param

func StringParam added in v0.0.8 

func StringParam(name, label, info, defValue string, ptr *string, enums ...Entry) Param

type ParamData 

type ParamData map[string]interface{}

func ParseParams added in v0.0.8 

func ParseParams(str string, params []Param) (data ParamData, err error)

func (ParamData) GetFloat 

func (d ParamData) GetFloat(key string, defaultValue float64) float64

func (ParamData) GetString 

func (d ParamData) GetString(key, defaultValue string) string

type VBalance 

type VBalance struct {
	// contains filtered or unexported fields
}

func NewVBalance 

func NewVBalance() *VBalance

func (*VBalance) AddTrade 

func (b *VBalance) AddTrade(tr Trade) (profit, onceFee float64, err error)

func (*VBalance) AvgOpenPrice added in v0.1.7 

func (b *VBalance) AvgOpenPrice() (price float64)

func (*VBalance) Get 

func (b *VBalance) Get() (total float64)

func (*VBalance) GetFeeTotal 

func (b *VBalance) GetFeeTotal() (fee float64)

func (*VBalance) Pos 

func (b *VBalance) Pos() (pos float64)

func (*VBalance) Set 

func (b *VBalance) Set(total float64)

func (*VBalance) SetFee 

func (b *VBalance) SetFee(fee float64)

Source Files

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