/* Our account's credentials for Bitcoin Testnet */
$apiKey = 'YOUR API KEY';
$pin = 'notNeeded';
$version = 2;
// the API version
$block_io = new BlockIo($apiKey, $pin, $version);
$toAddress = $_GET['to_address'];
$paymentExpected = strval($_GET['amount']);
$confidenceThreshold = floatval($_GET['min_confidence']);
print "Monitoring Address for Payments: " . $toAddress . "\n";
print "Amount Expected: " . $paymentExpected . "\n";
/* Look for a new incoming transaction, and let us know when done.
Assumption: The $toAddress is new, and does not have previously received transactions */
while (true) {
// Keep checking for a new transaction, end when there is at least one transaction and its confidence has reached 0.90.
$txs = $block_io->get_transactions(array('addresses' => $toAddress, 'type' => 'received'));
$paymentReceived = "0.0";
// using strings for high precision monetary stuff
// print_r($txs);
$txs = $txs->data->txs;
// iterate over all transactions, check their confidence
foreach ($txs as $tx) {
foreach ($tx->amounts_received as $amountReceived) {
if ($amountReceived->recipient == $toAddress) {
print "Amount: " . $amountReceived->amount . " Confidence: " . $tx->confidence . "\n";
if ($tx->confidence > $confidenceThreshold) {
$paymentReceived = bcadd($amountReceived->amount, $paymentReceived, 8);
}
}
}
}
/**
* List all transactions for an specific email
*
* @author salvipascual
* @param String, $publickey
* @return Array of Objects [datetime, senderkey, amount, type]
* */
private function listTransactions($publickey)
{
$block_io = new BlockIo($this->apiKey, $this->pin, 2);
$transactions = array();
// get all received
$received = $block_io->get_transactions(array('type' => 'received', 'addresses' => $publickey));
foreach ($received->data->txs as $data) {
$res = new stdClass();
$res->time = $data->time;
$res->sender = $data->senders[0];
$res->amount = $data->amounts_received[0]->amount;
$res->type = "received";
$transactions[] = $res;
}
// get all sent
$sent = $block_io->get_transactions(array('type' => 'sent', 'addresses' => $publickey));
foreach ($sent->data->txs as $data) {
$res = new stdClass();
$res->time = $data->time;
$res->sender = $data->senders[0];
$res->amount = $data->amounts_sent[0]->amount;
$res->type = "sent";
$transactions[] = $res;
}
return $transactions;
}
