exchange

Documentation

Index

• Constants
• Variables
• type Rate

Constants

const (
	USD = "USD"
)

Variables

var (
	API_URL            = "https://api.privatbank.ua/p24api/pubinfo?exchange&coursid=11"
	ErrUSDRateNotFound = errors.New("USD rate not found")
)

var FetchRate = func() (float64, error) {
	resp, err := http.Get(API_URL)
	if err != nil {
		return 0, fmt.Errorf("failed to make GET request: %w", err)
	}
	if resp.StatusCode != http.StatusOK {
		return 0, fmt.Errorf("received non-200 response code: %d", resp.StatusCode)
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return 0, fmt.Errorf("failed to read response body: %w", err)
	}

	return parseRates(body)
}

Types

type Rate

type Rate struct {
	Ccy     string `json:"ccy"`
	BaseCcy string `json:"base_ccy"`
	Buy     string `json:"buy"`
	Sale    string `json:"sale"`
}