exchangefee.go

package gobacktest

import (
// "fmt"
)

// ExchangeFeeHandler is the basic interface for managing the exchange fee
type ExchangeFeeHandler interface {
	Fee() (float64, error)
}

// FixedExchangeFee returns a fixed exchange fee
type FixedExchangeFee struct {
	ExchangeFee float64
}

// Fee returns the set exchange fee of the trade
func (e *FixedExchangeFee) Fee() (float64, error) {
	return e.ExchangeFee, nil
}