middleware

type RecoveredPanicError struct {
	V          interface{}
	Stacktrace string
}

type Retry struct {
	Ctx context.Context

	// MaxRetries is maximum number of times a retry will be attempted.
	MaxRetries int

	// InitialInterval is the first interval between retries. Subsequent intervals will be scaled by Multiplier.
	InitialInterval time.Duration
	// MaxInterval sets the limit for the exponential backoff of retries. The interval will not be increased beyond MaxInterval.
	MaxInterval time.Duration
	// Multiplier is the factor by which the waiting interval will be multiplied between retries.
	Multiplier float64
	// MaxElapsedTime sets the time limit of how long retries will be attempted. Disabled if 0.
	MaxElapsedTime time.Duration
	// RandomizationFactor randomizes the spread of the backoff times within the interval of:
	// [currentInterval * (1 - randomization_factor), currentInterval * (1 + randomization_factor)].
	RandomizationFactor float64

	// OnRetryHook is an optional function that will be executed on each retry attempt.
	// The number of the current retry is passed as retryNum,
	OnRetryHook func(retryNum int, delay time.Duration)
}