public static function normalizeTXID($txid)
{
return trim(SimpleHTTP::get('https://blockchain.info/q/hashtontxid/' . $txid));
}
private function calculateBalance($confirmations = false)
{
$addr = $this->addr->get();
$blockHeight = 0;
if ($confirmations !== false) {
$blockHeight = intval(HTTP::get('https://blockchain.info/q/getblockcount'));
}
Debug::log('Block height: ' . $blockHeight);
$balance = 0;
foreach ($this->txs as $tx) {
if ($tx['double_spend']) {
Debug::log('Double spend: ' . $tx['tx_index']);
continue;
}
foreach ($tx['inputs'] as $in) {
if (isset($in['prev_out']['addr'])) {
if ($confirmations !== false) {
if (!isset($tx['block_height'])) {
if ($confirmations !== 0) {
continue 2;
}
}
$blockReq = $tx['block_height'] + $confirmations;
if ($blockReq > $blockHeight) {
continue 2;
}
}
}
}
foreach ($tx['out'] as $out) {
if ($out['addr'] !== $addr) {
continue;
}
$balance += $out['value'];
}
}
return Amount::fromSatoshis($balance);
}