function fetchAllRates(Logger $logger)
{
$url = "https://api.vircurex.com/api/get_info_for_currency.json";
$logger->info($url);
$json = Fetch::jsonDecode(Fetch::get($url));
$result = array();
$ignored = 0;
foreach ($json as $pair2 => $pairs) {
if ($pair2 == "status") {
continue;
}
foreach ($pairs as $pair1 => $market) {
if ($market['last_trade'] == 0 || $market['lowest_ask'] == 0 || $market['highest_bid'] == 0) {
// ignore empty markets
$ignored++;
continue;
}
$currency1 = $this->getCurrencyCode($pair1);
$currency2 = $this->getCurrencyCode($pair2);
if (CurrencyOrder::hasOrder($currency1) && CurrencyOrder::hasOrder($currency2)) {
if (!CurrencyOrder::isOrdered($currency1, $currency2)) {
// do not duplicate ordered currencies
continue;
}
}
$rate = array("currency1" => $currency1, "currency2" => $currency2, "last_trade" => $market['last_trade'], "volume" => $market['volume'], 'bid' => $market['highest_bid'], 'ask' => $market['lowest_ask']);
$result[] = $rate;
}
}
$logger->info("Ignored " . $ignored . " markets with last trade price of 0");
return $result;
}
function shouldSwitch($cur1, $cur2)
{
return !\Exchange\CurrencyOrder::isOrdered($cur1, $cur2);
}
function testBTCLTC()
{
$this->assertTrue(CurrencyOrder::isOrdered("btc", "ltc"));
$this->assertFalse(CurrencyOrder::isOrdered("ltc", "btc"));
}
/**
* In openclerk/exchanges, we want to return all exchange pairs according to a
* particular currency order.
*/
function testRatesAreOrdered()
{
$rates = $this->getAllRates();
foreach ($rates as $rate) {
if (\Exchange\CurrencyOrder::hasOrder($rate['currency1'])) {
if (\Exchange\CurrencyOrder::hasOrder($rate['currency2'])) {
$this->assertTrue(\Exchange\CurrencyOrder::isOrdered($rate['currency1'], $rate['currency2']), "Expected reverse order of pair " . $rate['currency1'] . "/" . $rate['currency2']);
}
}
}
}
