// miner's coin base reward based on nBits
int64 GetProofOfWorkReward(int nHeight, int64 nFees, uint256 prevHash)
{

static const int64 nMinimumCoin = 0.0777 * COIN;

	int64 nSubsidy = 0.0777 * COIN;                                                                         //genesis

	if (nHeight > 0 && nHeight < 7) {nSubsidy = 0 * COIN;}                                                // zero
	else if (nHeight == 7) {nSubsidy = 177777 * COIN;}                                                   // Premine
	else if (nHeight > 7 && nHeight < 1000) {nSubsidy = 2.5 * COIN;}                                   // IRC Launch
	else if (nHeight > 1000 && nHeight < 1337) {nSubsidy = 0.0777 * COIN;}                            // low instamine official launch
	else if (nHeight == 1337) {nSubsidy = 1337 * COIN;}                                               //L33T
	else if (nHeight > 1337 && nHeight < 4000) {nSubsidy = 1 * COIN;}                                //final launch period
	else if (nHeight > 4000 && nHeight < 8000) {nSubsidy = 22.5 * COIN;}	                        // 22.5 coin
	else if (nHeight > 8000 && nHeight < 16000) {nSubsidy = 15 * COIN;}                            // 15 coins per block
	else if (nHeight > 16000 && nHeight < 32000) {nSubsidy = 7.5 * COIN;}                         // 7.5 coins per block
	else if (nHeight > 32000 && nHeight < 64000) {nSubsidy = 6 * COIN;}                          // 6 coins per block
	else if (nHeight > 64000 && nHeight < 77777) {nSubsidy = 4 * COIN;}                         // 4 coins
	else if (nHeight == 77777) {nSubsidy = 10000 * COIN;}                                      // bonus reward
	else if (nHeight > 77777 && nHeight < 128000) {nSubsidy = 4 * COIN;}                      // 4 coins
	else if (nHeight > 128000 && nHeight < 256000) {nSubsidy = 20 * COIN;}                    // 20 coins
	else if (nHeight > 256000) {nSubsidy = 25 * COIN;}                 // 25 coins
	else if (nHeight > 2400000) {nSubsidy = 5 * COIN;}
	else {nSubsidy = 1 * COIN;}              

    // Subsidy is cut in half every 400 thousand blocks
    nSubsidy >>= (nHeight / 400000);

	// Minimum subsidy
    if (nSubsidy < nMinimumCoin)
    {
        nSubsidy = nMinimumCoin;
    }

    return nSubsidy + nFees;
}

class jsonRPCClient {
	private $debug;
	private $url;
	private $id;
	private $notification = false;
	public function __construct($url,$debug = false) {
		$this->url = $url;
		empty($proxy) ? $this->proxy = '' : $this->proxy = $proxy;
		empty($debug) ? $this->debug = false : $this->debug = true;
		$this->id = 1;
	}
	public function setRPCNotification($notification) {
		empty($notification) ? $this->notification = false : $this->notification = true;
	}
	public function __call($method,$params) {
		if (!is_scalar($method)) { throw new Exception('Method name has no scalar value'); }              
		if (is_array($params)) { $params = array_values($params);}else{ throw new Exception('Params must be given as array'); }
		if ($this->notification) {$currentId = NULL; }else{ $currentId = $this->id;}
		$request = array( 'method' => $method, 'params' => $params, 'id' => $currentId );
		$request = json_encode($request);
		$this->debug && $this->debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n";
		$ch = curl_init($this->url);
		curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
		$response = json_decode(curl_exec($ch),true);
		curl_close($ch);
		if ($this->debug) { echo nl2br($debug); }
		if (!$this->notification) {
				if ($response['id'] != $currentId) { return $response; }
				if (!is_null($response['error'])) { return $response; } 
				return $response['result'];
		}else{
				return true;
		}
	}
}

pfsockopen()

class jsonRPCSocket {
	private $host;
	private $port;
	private $user;
	private $pass;
	private $id;
	private $notification = false;
	public function __construct($host,$port,$user,$pass) {
		$this->host = $host;
		$this->port = $port;
		$this->user = $user;
		$this->pass = $pass;
		$this->id = 1;
	}
	public function setRPCNotification($notification) {
		empty($notification) ? $this->notification = false : $this->notification = true;
	}
	public function __call($method,$params) {
		if (!is_scalar($method)) { throw new Exception('Method name has no scalar value'); }              
		if (is_array($params)) { $params = array_values($params);}else{ throw new Exception('Params must be given as array'); }
		if ($this->notification) {$currentId = NULL; }else{ $currentId = $this->id;}
		$request = array( 'method' => $method, 'params' => $params, 'id' => $currentId );
		$request = json_encode($request);
		$this->debug && $this->debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n";
		$fp = fsockopen('tcp://'.$this->user.':'.$this->pass.'@'.$this->host,$this->port,$errno,$errstr, 10);
		if(!$fp){
				throw new Exception("$errno - $errstr");
		}
		$content = "POST $request HTTP/1.1"."\r\n".
					"Host: ". $this-host .""."\r\n".
					"Content-Type: application/application-json"."\r\n".
					"Content-Length:".strlen($request)."\r\n"."\r\n";
		fwrite($fp,$content);
		$response='';
		while(!feof($fp)) {
			$response.= fread($fp,1024);
		}
		fclose($fp);
		$response = json_decode(preg_replace('!^.*(?:\r?\n){2}(.*)$!s','\\1',$response));
		if ($this->debug) { echo nl2br($debug); }
		if (!$this->notification) {
				if ($response['id'] != $currentId) { return $response; }
				if (!is_null($response['error'])) { return $response; } 
				return $response['result'];
		}else{
				return true;
		}
	}
}