/**
* Returns transactions for given address ordered from the oldest.
*
* @param IAddress $address
* @return array of Transaction
*/
public function getTransactions(IAddress $address)
{
if (isset($this->addressTransactions[$address->getId()])) {
return $this->addressTransactions[$address->getId()];
}
// construct first page url
$url = static::ADDRESS_API_URL . $address->getId() . '?limit=' . static::ADDRESS_API_LIMIT;
// fetch the page
$request = new Request($url);
$request->setCertificationVerify(FALSE);
$response = $request->get()->getResponse();
// parse the response
$data = json_decode($response, TRUE);
$page = 0;
// loop over all pages
$transactions = array();
while (count($data['txs']) > 0) {
foreach ($data['txs'] as $tx) {
if (isset($tx['block_height'])) {
// include only confirmed transactions
$transaction = $this->getTransaction($tx['hash']);
if (!in_array($transaction, $transactions)) {
$transactions[] = $this->getTransaction($tx['hash']);
}
}
}
// if there is only one page, end the loop during the first run
if ($page === 0 && $data['n_tx'] <= static::ADDRESS_API_LIMIT) {
break;
}
// count next offset
$page++;
$offset = $page * static::ADDRESS_API_LIMIT - $page * static::ADDRESS_API_BUFFER;
$nextUrl = "{$url}&offset={$offset}";
// fetch the page
$request = new Request($nextUrl);
$request->setCertificationVerify(FALSE);
$response = $request->get()->getResponse();
// parse the response
$data = json_decode($response, TRUE);
}
// the oldest first
$this->addressTransactions[$address->getId()] = array_reverse($transactions);
// return result
return $this->addressTransactions[$address->getId()];
}
/**
* @param array $data
* @throws CommunicationFailedException
* @return array
*/
private function process($data)
{
$this->onRequest($data);
$data = array('USER' => $this->username, 'PWD' => $this->password, 'SIGNATURE' => $this->signature, 'VERSION' => self::API_VERSION) + $data;
$request = new Curl\Request($this->host, $data);
$request->setSender($this->curlSender);
$request->options['verbose'] = TRUE;
if (strpos($request->getUrl()->getHost(), '.sandbox.') !== FALSE) {
$request->setCertificationVerify(FALSE);
$request->options['ssl_verifyHost'] = FALSE;
}
try {
$response = $request->post(http_build_query($data));
$resultData = self::parseNvp($response->getResponse());
$this->onSuccess($resultData, $response->getInfo());
return $resultData;
} catch (Curl\FailedRequestException $e) {
$this->onError($e, $e->getInfo());
throw new CommunicationFailedException($e->getMessage(), 0, $e);
} catch (Curl\CurlException $e) {
$this->onError($e, $e->getResponse() ? $e->getResponse()->info : array());
throw new CommunicationFailedException($e->getMessage(), 0, $e);
}
}
/**
* Returns TRUE if address is a valid bitcoin address.
*
* @param string $address
* @return bool
*/
public function isValidAddress($address)
{
// construct first page url
$url = static::ADDRESS_API_URL . $address . '?limit=1';
// fetch the page
$request = new Request($url);
$request->setCertificationVerify(FALSE);
try {
$request->get()->getResponse();
return TRUE;
} catch (BadStatusException $e) {
return FALSE;
}
}
