71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package stripecoinpayments
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/shopspring/decimal"
|
|
"github.com/zeebo/errs"
|
|
"go.uber.org/zap"
|
|
|
|
"storj.io/common/currency"
|
|
"storj.io/common/sync2"
|
|
)
|
|
|
|
// convertToCents convert amount to USD cents with given rate.
|
|
func convertToCents(rate decimal.Decimal, amount currency.Amount) int64 {
|
|
amountDecimal := amount.AsDecimal()
|
|
usd := amountDecimal.Mul(rate)
|
|
usdCents := usd.Shift(2)
|
|
return usdCents.Round(0).IntPart()
|
|
}
|
|
|
|
// ErrConversion defines version service error.
|
|
var ErrConversion = errs.Class("conversion service")
|
|
|
|
// ConversionService updates conversion rates in a loop.
|
|
//
|
|
// architecture: Service
|
|
type ConversionService struct {
|
|
log *zap.Logger
|
|
service *Service
|
|
Cycle sync2.Cycle
|
|
}
|
|
|
|
// NewConversionService creates new instance of ConversionService.
|
|
func NewConversionService(log *zap.Logger, service *Service, interval time.Duration) *ConversionService {
|
|
return &ConversionService{
|
|
log: log,
|
|
service: service,
|
|
Cycle: *sync2.NewCycle(interval),
|
|
}
|
|
}
|
|
|
|
// Run runs loop which updates conversion rates for service.
|
|
func (conversion *ConversionService) Run(ctx context.Context) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
return ErrConversion.Wrap(conversion.Cycle.Run(ctx,
|
|
func(ctx context.Context) error {
|
|
conversion.log.Debug("running conversion rates update cycle")
|
|
|
|
if err := conversion.service.UpdateRates(ctx); err != nil {
|
|
conversion.log.Error("conversion rates update cycle failed", zap.Error(ErrChore.Wrap(err)))
|
|
}
|
|
|
|
return nil
|
|
},
|
|
))
|
|
}
|
|
|
|
// Close closes underlying cycle.
|
|
func (conversion *ConversionService) Close() (err error) {
|
|
defer mon.Task()(nil)(&err)
|
|
|
|
conversion.Cycle.Close()
|
|
return nil
|
|
}
|