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353 lines
12 KiB
353 lines
12 KiB
<?php
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/**
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* monero_wallet_rpc
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*
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* Written using the JSON RPC specification -
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* http://json-rpc.org/wiki/specification
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*
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* @author Kacper Rowinski <krowinski@implix.com>
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* http://implix.com
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* Modified to work with monero-rpc wallet by Serhack and cryptochangements
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* Modified to work with monero-wallet-rpc wallet by mosu-forge
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*/
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defined( 'ABSPATH' ) || exit;
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class Monero_Wallet_Rpc
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{
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protected $url = null, $is_debug = false;
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protected $curl_options = array(
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CURLOPT_CONNECTTIMEOUT => 8,
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CURLOPT_TIMEOUT => 8
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);
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protected $host;
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protected $port;
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private $httpErrors = array(
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400 => '400 Bad Request',
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401 => '401 Unauthorized',
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403 => '403 Forbidden',
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404 => '404 Not Found',
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405 => '405 Method Not Allowed',
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406 => '406 Not Acceptable',
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408 => '408 Request Timeout',
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500 => '500 Internal Server Error',
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502 => '502 Bad Gateway',
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503 => '503 Service Unavailable'
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);
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public function __construct($pHost, $pPort)
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{
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$this->validate(false === extension_loaded('curl'), 'The curl extension must be loaded to use this class!');
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$this->validate(false === extension_loaded('json'), 'The json extension must be loaded to use this class!');
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$this->host = $pHost;
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$this->port = $pPort;
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$this->url = $pHost . ':' . $pPort . '/json_rpc';
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}
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public function validate($pFailed, $pErrMsg)
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{
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if ($pFailed) {
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if(is_admin()) echo $pErrMsg;
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}
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}
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public function setDebug($pIsDebug)
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{
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$this->is_debug = !empty($pIsDebug);
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return $this;
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}
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public function setCurlOptions($pOptionsArray)
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{
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if (is_array($pOptionsArray)) {
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$this->curl_options = $pOptionsArray + $this->curl_options;
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} else {
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if(is_admin()) echo 'Invalid options type.';
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}
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return $this;
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}
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public function _print($json)
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{
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$json_encoded = json_encode($json, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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if(is_admin()) echo $json_encoded;
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}
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public function _run($method, $params = null)
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{
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$result = $this->request($method, $params);
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return $result; //the result is returned as an array
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}
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private function request($pMethod, $pParams)
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{
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static $requestId = 0;
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// generating uniuqe id per process
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$requestId++;
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// check if given params are correct
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$this->validate(false === is_scalar($pMethod), 'Method name has no scalar value');
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// Request (method invocation)
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$request = json_encode(array('jsonrpc' => '2.0', 'method' => $pMethod, 'params' => $pParams, 'id' => $requestId));
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// if is_debug mode is true then add url and request to is_debug
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$this->debug('Url: ' . $this->url . "\r\n", false);
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$this->debug('Request: ' . $request . "\r\n", false);
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// Response (method invocation)
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$responseMessage = $this->getResponse($request);
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// if is_debug mode is true then add response to is_debug and display it
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$this->debug('Response: ' . $responseMessage . "\r\n", true);
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// decode and create array ( can be object, just set to false )
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$responseDecoded = json_decode($responseMessage, true);
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// check if decoding json generated any errors
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$jsonErrorMsg = $this->getJsonLastErrorMsg();
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$this->validate(!is_null($jsonErrorMsg), $jsonErrorMsg . ': ' . $responseMessage);
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// check if response is correct
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$this->validate(empty($responseDecoded['id']), 'Invalid response data structure: ' . $responseMessage);
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$this->validate($responseDecoded['id'] != $requestId, 'Request id: ' . $requestId . ' is different from Response id: ' . $responseDecoded['id']);
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if (isset($responseDecoded['error'])) {
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$errorMessage = 'Request have return error: ' . $responseDecoded['error']['message'] . '; ' . "\n" .
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'Request: ' . $request . '; ';
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if (isset($responseDecoded['error']['data'])) {
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$errorMessage .= "\n" . 'Error data: ' . $responseDecoded['error']['data'];
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}
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$this->validate(!is_null($responseDecoded['error']), $errorMessage);
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}
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return $responseDecoded['result'];
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}
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protected function debug($pAdd, $pShow = false)
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{
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static $debug, $startTime;
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// is_debug off return
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if (false === $this->is_debug) {
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return;
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}
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// add
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$debug .= $pAdd;
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// get starttime
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$startTime = empty($startTime) ? array_sum(explode(' ', microtime())) : $startTime;
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if (true === $pShow and !empty($debug)) {
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// get endtime
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$endTime = array_sum(explode(' ', microtime()));
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// performance summary
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$debug .= 'Request time: ' . round($endTime - $startTime, 3) . ' s Memory usage: ' . round(memory_get_usage() / 1024) . " kb\r\n";
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if(is_admin()) echo nl2br($debug);
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// send output immediately
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flush();
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// clean static
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$debug = $startTime = null;
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}
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}
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protected function & getResponse(&$pRequest)
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{
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// do the actual connection
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$ch = curl_init();
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if (!$ch) {
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throw new RuntimeException('Could\'t initialize a cURL session');
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}
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curl_setopt($ch, CURLOPT_URL, $this->url);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $pRequest);
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curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
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curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate');
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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if (!curl_setopt_array($ch, $this->curl_options)) {
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throw new RuntimeException('Error while setting curl options');
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}
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// send the request
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$response = curl_exec($ch);
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// check http status code
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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if (isset($this->httpErrors[$httpCode])) {
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if(is_admin())
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echo 'Response Http Error - ' . $this->httpErrors[$httpCode];
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}
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// check for curl error
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if (0 < curl_errno($ch)) {
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if(is_admin())
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echo '[ERROR] Failed to connect to monero-wallet-rpc at ' . $this->host . ' port '. $this->port .'</br>';
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}
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// close the connection
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curl_close($ch);
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return $response;
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}
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//prints result as json
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function getJsonLastErrorMsg()
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{
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if (!function_exists('json_last_error_msg')) {
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function json_last_error_msg()
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{
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static $errors = array(
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JSON_ERROR_NONE => 'No error',
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JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
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JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch',
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JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
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JSON_ERROR_SYNTAX => 'Syntax error',
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JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded'
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);
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$error = json_last_error();
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return array_key_exists($error, $errors) ? $errors[$error] : 'Unknown error (' . $error . ')';
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}
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}
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// Fix PHP 5.2 error caused by missing json_last_error function
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if (function_exists('json_last_error')) {
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return json_last_error() ? json_last_error_msg() : null;
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} else {
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return null;
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}
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}
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/*
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* The following functions can all be called to interact with the Monero RPC wallet
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* They will majority of them will return the result as an array
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* Example: $daemon->address(); where $daemon is an instance of this class, will return the wallet address as string within an array
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*/
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public function address()
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{
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$address = $this->_run('getaddress');
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return $address;
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}
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public function getbalance()
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{
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$balance = $this->_run('getbalance');
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return $balance;
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}
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public function getheight()
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{
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$height = $this->_run('getheight');
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return $height['height'];
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}
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public function incoming_transfer($type)
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{
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$incoming_parameters = array('transfer_type' => $type);
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$incoming_transfers = $this->_run('incoming_transfers', $incoming_parameters);
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return $incoming_transfers;
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}
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public function get_transfers($input_type, $input_value)
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{
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$get_parameters = array($input_type => $input_value);
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$get_transfers = $this->_run('get_transfers', $get_parameters);
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return $get_transfers;
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}
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public function view_key()
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{
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$query_key = array('key_type' => 'view_key');
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$query_key_method = $this->_run('query_key', $query_key);
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return $query_key_method;
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}
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public function make_integrated_address($payment_id)
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{
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$integrate_address_parameters = array('payment_id' => $payment_id);
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$integrate_address_method = $this->_run('make_integrated_address', $integrate_address_parameters);
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return $integrate_address_method;
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}
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/* A payment id can be passed as a string
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A random payment id will be generated if one is not given */
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public function split_integrated_address($integrated_address)
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{
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if (!isset($integrated_address)) {
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if(is_admin()) echo "Error: Integrated_Address must not be null";
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} else {
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$split_params = array('integrated_address' => $integrated_address);
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$split_methods = $this->_run('split_integrated_address', $split_params);
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return $split_methods;
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}
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}
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public function make_uri($address, $amount, $recipient_name = null, $description = null)
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{
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// Convert to atomic units
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$new_amount = $amount * MONERO_GATEWAY_ATOMIC_UNITS_POW;
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$uri_params = array('address' => $address, 'amount' => $new_amount, 'payment_id' => '', 'recipient_name' => $recipient_name, 'tx_description' => $description);
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$uri = $this->_run('make_uri', $uri_params);
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return $uri;
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}
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public function parse_uri($uri)
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{
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$uri_parameters = array('uri' => $uri);
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$parsed_uri = $this->_run('parse_uri', $uri_parameters);
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return $parsed_uri;
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}
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public function transfer($amount, $address, $mixin = 12)
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{
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$new_amount = $amount * MONERO_GATEWAY_ATOMIC_UNITS_POW;
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$destinations = array('amount' => $new_amount, 'address' => $address);
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$transfer_parameters = array('destinations' => array($destinations), 'mixin' => $mixin, 'get_tx_key' => true, 'unlock_time' => 0, 'payment_id' => '');
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$transfer_method = $this->_run('transfer', $transfer_parameters);
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return $transfer_method;
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}
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public function get_payments($payment_id)
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{
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$get_payments_parameters = array('payment_id' => $payment_id);
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$get_payments = $this->_run('get_payments', $get_payments_parameters);
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if(isset($get_payments['payments']))
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return $get_payments['payments'];
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else
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return array();
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}
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public function get_pool_payments($payment_id)
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{
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$get_payments_parameters = array('pool' => true);
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$get_payments = $this->_run('get_transfers', $get_payments_parameters);
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if(!isset($get_payments['pool']))
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return array();
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$payments = array();
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foreach($get_payments['pool'] as $payment) {
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if($payment['double_spend_seen'])continue;
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if($payment['payment_id'] == $payment_id) {
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$payment['tx_hash'] = $payment['txid'];
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$payment['block_height'] = $payment['height'];
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$payments[] = $payment;
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}
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}
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return $payments;
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}
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public function get_all_payments($payment_id)
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{
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$confirmed_payments = $this->get_payments($payment_id);
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$pool_payments = $this->get_pool_payments($payment_id);
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return array_merge($pool_payments, $confirmed_payments);
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}
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public function get_bulk_payments($payment_id, $min_block_height)
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{
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$get_bulk_payments_parameters = array('payment_id' => $payment_id, 'min_block_height' => $min_block_height);
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$get_bulk_payments = $this->_run('get_bulk_payments', $get_bulk_payments_parameters);
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return $get_bulk_payments;
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}
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}
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