protected function changeBalance($quantity, $asset, $account = 'default', $type = 'confirmed', $raw_payment_address_id = 'default')
{
$payment_address_id = $this->resolvePaymentAddressID($raw_payment_address_id);
if (isset($this->balances) and isset($this->balances[$payment_address_id])) {
if (!isset($this->balances[$payment_address_id][$account])) {
$this->balances[$payment_address_id][$account] = [];
}
if (!isset($this->balances[$payment_address_id][$account][$type])) {
$this->balances[$payment_address_id][$account][$type] = [];
}
if (!isset($this->balances[$payment_address_id][$account][$type][$asset])) {
$this->balances[$payment_address_id][$account][$type][$asset] = 0;
}
if ($quantity < 0 and round($this->balances[$payment_address_id][$account][$type][$asset] + $quantity, 8) < 0) {
$xchain_exception = new XChainException("Insufficient funds: tried to debit account {$type} {$account} {$quantity} {$asset} - but had only {$this->balances[$payment_address_id][$account][$type][$asset]}", 1);
$xchain_exception->setErrorName('ERR_INSUFFICIENT_FUNDS');
throw $xchain_exception;
}
$this->balances[$payment_address_id][$account][$type][$asset] += $quantity;
}
}
protected function newAPIRequest($method, $path, $data = [])
{
$api_path = '/api/v1' . $path;
$client = new GuzzleClient();
if ($data and ($method == 'POST' or $method == 'PATCH')) {
$body = \GuzzleHttp\Psr7\stream_for(json_encode($data));
$headers = ['Content-Type' => 'application/json'];
$request = new \GuzzleHttp\Psr7\Request($method, $this->xchain_url . $api_path, $headers, $body);
} else {
if ($method == 'GET') {
$request = new \GuzzleHttp\Psr7\Request($method, $this->xchain_url . $api_path);
$request = \GuzzleHttp\Psr7\modify_request($request, ['query' => http_build_query($data, null, '&', PHP_QUERY_RFC3986)]);
} else {
$request = new \GuzzleHttp\Psr7\Request($method, $this->xchain_url . $api_path);
}
}
// add auth
$request = $this->getAuthenticationGenerator()->addSignatureToGuzzle6Request($request, $this->api_token, $this->api_secret_key);
// send request
try {
$response = $client->send($request);
} catch (RequestException $e) {
if ($response = $e->getResponse()) {
// interpret the response and error message
$code = $response->getStatusCode();
try {
$json = json_decode($response->getBody(), true);
} catch (Exception $parse_json_exception) {
// could not parse json
$json = null;
}
if ($json and isset($json['message'])) {
// throw an XChainException with the errorName
if (isset($json['errorName'])) {
$xchain_exception = new XChainException($json['message'], $code);
$xchain_exception->setErrorName($json['errorName']);
throw $xchain_exception;
}
// generic exception
throw new Exception($json['message'], $code);
}
}
// if no response, then just throw the original exception
throw $e;
}
$code = $response->getStatusCode();
if ($code == 204) {
// empty content
return [];
}
$json = json_decode($response->getBody(), true);
if (!is_array($json)) {
throw new Exception("Unexpected response: " . $response->getBody(), 1);
}
return $json;
}
