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market_ext.go
67 lines (58 loc) · 1.76 KB
/
market_ext.go
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package vega
import (
"errors"
fmt "fmt"
"strconv"
)
var (
ErrNilTradableInstrument = errors.New("nil tradable instrument")
ErrNilInstrument = errors.New("nil instrument")
ErrNilProduct = errors.New("nil product")
ErrUnknownAsset = errors.New("unknown asset")
)
func (m *Market) GetAsset() (string, error) {
if m.TradableInstrument == nil {
return "", ErrNilTradableInstrument
}
if m.TradableInstrument.Instrument == nil {
return "", ErrNilInstrument
}
if m.TradableInstrument.Instrument.Product == nil {
return "", ErrNilProduct
}
switch pimpl := m.TradableInstrument.Instrument.Product.(type) {
case *Instrument_Future:
return pimpl.Future.SettlementAsset, nil
default:
return "", ErrUnknownAsset
}
}
func (p *PriceMonitoringTrigger) Validate() error {
if !(p.Horizon > 0) {
return fmt.Errorf("invalid field Triggers.Horizon: value '%v' must be greater than '0'", p.Horizon)
}
probability, err := strconv.ParseFloat(p.Probability, 64)
if err != nil {
return fmt.Errorf("invalid field Triggers.Probability: value '%v' must be numeric and between 0 and 1", p.Probability)
}
if !(probability > 0) {
return fmt.Errorf("invalid field Triggers.Probability: value '%v' must be strictly greater than '0'", p.Probability)
}
if !(probability < 1) {
return fmt.Errorf("invalid field Triggers.Probability: value '%v' must be strictly lower than '1'", p.Probability)
}
if !(p.AuctionExtension > 0) {
return fmt.Errorf("invalid field Triggers.AuctionExtension: value '%v' must be greater than '0'", p.AuctionExtension)
}
return nil
}
func (p *PriceMonitoringParameters) Validate() error {
for _, item := range p.Triggers {
if item != nil {
if err := item.Validate(); err != nil {
return err
}
}
}
return nil
}