function getBitcoinAddr($btcBalance = null)
{
require_once 'chipin/bitcoin.php';
$a = '15Mux55YKsWp9pe5eUC2jcP5R9K7XA4pPF';
if ($btcBalance !== null) {
DB\delete('bitcoin_addresses', 'address = ?', array($a));
DB\insertOne('bitcoin_addresses', array('address' => $a, 'satoshis' => $btcBalance * Bitcoin\satoshisPerBTC(), 'updated_at' => new DateTime('now')));
}
return $a;
}
function testGetBalanceUsesLocallyCachedValueWhenAppropriate()
{
$address = '1K7dyLY6arFRXBidQhrtnyqksqJZdj2F37';
$actualBalance = BlockchainDotInfo\getBalanceInSatoshis($address);
$cachedBalance = $actualBalance + 1000;
DB\delete('bitcoin_addresses', 'address = ?', array($address));
DB\insertOne('bitcoin_addresses', array('address' => $address, 'satoshis' => $cachedBalance, 'updated_at' => new DateTime('now')));
$balance = Bitcoin\getBalance($address, null);
assertEqual($cachedBalance, $balance->numSatoshis);
assertEqual($cachedBalance / Bitcoin\satoshisPerBTC(), $balance->numBTC);
}
/**
* Store the balance of the given Bitcoin address to our local database for quick
* access in the near future.
*/
function cacheBalance($address, $satoshis)
{
try {
DB\transaction(function () use($address, $satoshis) {
DB\delete('bitcoin_addresses', 'address = ?', array($address));
DB\insertOne('bitcoin_addresses', array('address' => $address, 'satoshis' => $satoshis, 'updated_at' => new DateTime('now')));
});
} catch (\PDOException $e) {
# If it's an exception about a deadlock, we'll ignore it -- it's probably due to
# two processes trying to update the record at the same time.
if (!contains(strtolower($e->getMessage()), "deadlock found")) {
throw $e;
}
}
}
function removeCode($code)
{
DB\delete('confirmation_codes', 'code = ?', array($code));
}
function setPriceForBTC($currency, $price)
{
DB\delete('ticker_data', 'currency = ?', array($currency));
DB\insertOne('ticker_data', array('currency' => $currency, 'last_price' => $price));
}
private function setBalance($address, $btc)
{
DB\delete('bitcoin_addresses', 'address = ?', array($address));
DB\insertOne('bitcoin_addresses', array('address' => $address, 'satoshis' => $btc * Bitcoin\satoshisPerBTC(), 'updated_at' => new DateTime('now')));
}
