price

package

v0.132.3 Latest Latest Go to latest Published: Feb 24, 2023 License: MPL-2.0 Imports: 1 Imported by: 0

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type DataPerTokenAndCurrency = map[string]map[string]DataPoint

type DataPoint struct {
	Price     float64
	UpdatedAt int64
}

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

func NewManager(priceProvider Provider) *Manager

func (pm *Manager) FetchPrice(symbol string, currency string) (float64, error)

func (pm *Manager) FetchPrices(symbols []string, currencies []string) (map[string]map[string]float64, error)

func (pm *Manager) GetCachedPrices() DataPerTokenAndCurrency

func (pm *Manager) GetOrFetchPrices(symbols []string, currencies []string, maxAgeInSeconds int64) (DataPerTokenAndCurrency, error)

Return cached price if present in cache and age is less than maxAgeInSeconds. Fetch otherwise.

type Provider interface {
	FetchPrices(symbols []string, currencies []string) (map[string]map[string]float64, error)
}