/**
* {@inheritdoc}
*/
public function subunitFor(Currency $currency)
{
if ($currency->getCode() !== self::CODE) {
throw new UnknownCurrencyException($currency->getCode() . ' is not bitcoin and is not supported by this currency repository');
}
return 8;
}
/**
* {@inheritdoc}
*/
public function quote(Currency $baseCurrency, Currency $counterCurrency)
{
if (isset($this->list[$baseCurrency->getCode()][$counterCurrency->getCode()])) {
return new CurrencyPair($baseCurrency, $counterCurrency, $this->list[$baseCurrency->getCode()][$counterCurrency->getCode()]);
}
throw UnresolvableCurrencyPairException::createFromCurrencies($baseCurrency, $counterCurrency);
}
/**
* {@inheritdoc}
*/
public function subunitFor(Currency $currency)
{
if (null === self::$currencies) {
self::$currencies = $this->loadCurrencies();
}
if (!isset(self::$currencies[$currency->getCode()])) {
throw new UnknownCurrencyException('Cannot find ISO currency ' . $currency->getCode());
}
return self::$currencies[$currency->getCode()]['minorUnit'];
}
/**
* {@inheritdoc}
*/
public function quote(Currency $baseCurrency, Currency $counterCurrency)
{
try {
$rate = $this->swap->latest($baseCurrency->getCode() . '/' . $counterCurrency->getCode());
} catch (ExchangerException $e) {
throw UnresolvableCurrencyPairException::createFromCurrencies($baseCurrency, $counterCurrency);
}
return new CurrencyPair($baseCurrency, $counterCurrency, $rate->getValue());
}
/**
* {@inheritdoc}
*/
public function getCurrencyPair(Currency $baseCurrency, Currency $counterCurrency)
{
$swapCurrencyPair = new SwapCurrencyPair($baseCurrency->getCode(), $counterCurrency->getCode());
try {
$rate = $this->swap->quote($swapCurrencyPair);
} catch (SwapException $e) {
throw UnresolvableCurrencyPairException::createFromCurrencies($baseCurrency, $counterCurrency);
}
return new CurrencyPair($baseCurrency, $counterCurrency, $rate->getValue());
}
/**
* {@inheritdoc}
*/
public function subunitFor(Currency $currency)
{
$item = $this->pool->getItem('currency|subunit|' . $currency->getCode());
if (false === $item->isHit()) {
$item->set($this->currencies->subunitFor($currency));
if ($item instanceof TaggableItemInterface) {
$item->addTag('currency.subunit');
}
$this->pool->save($item);
}
return $item->get();
}
/**
* Creates an exception from Currency objects.
*
* @param Currency $baseCurrency
* @param Currency $counterCurrency
*
* @return UnresolvableCurrencyPairException
*/
public static function createFromCurrencies(Currency $baseCurrency, Currency $counterCurrency)
{
$message = sprintf('Cannot resolve a currency pair for currencies: %s/%s', $baseCurrency->getCode(), $counterCurrency->getCode());
return new self($message);
}
