diff --git a/web/yaamp/commands/ShiftCommand.php b/web/yaamp/commands/ShiftCommand.php
new file mode 100644
index 0000000..133fcb8
--- /dev/null
+++ b/web/yaamp/commands/ShiftCommand.php
@@ -0,0 +1,196 @@
+<?php
+/**
+ * ShiftCommand is a console command to do shapeshift txs
+ *
+ * To use this command, enter the following on the command line:
+ * <pre>
+ * yiimp shift help
+ * </pre>
+ */
+class ShiftCommand extends CConsoleCommand
+{
+	protected $basePath;
+
+	/**
+	 * Execute the action.
+	 * @param array $args command line parameters specific for this command
+	 * @return integer non zero application exit code after printing help
+	 */
+	public function run($args)
+	{
+		$runner=$this->getCommandRunner();
+		$commands=$runner->commands;
+
+		$root = realpath(Yii::app()->getBasePath().DIRECTORY_SEPARATOR.'..');
+		$this->basePath = str_replace(DIRECTORY_SEPARATOR, '/', $root);
+
+		if (!isset($args[0]) || $args[0] == 'help') {
+
+			echo "Yiimp shift command\n";
+			echo "Usage: yiimp shift list - to list supported coins\n";
+			echo "Usage: yiimp shift start <SYM-src> <SYM-dest> [dest-addr] - to start a shapeshift tx\n";
+			//echo "       yiimp shift send <amount> <SYM> <deposit-addr>\n";
+			echo "       yiimp shift status <deposit-addr>\n";
+			return 1;
+
+		} else if ($args[0] == 'list') {
+			return $this->listShiftCoins($args);
+
+		} else if ($args[0] == 'start') {
+			return $this->startShift($args);
+
+		} else if ($args[0] == 'send') {
+			return $this->sendShift($args);
+
+		} else if ($args[0] == 'status') {
+			return $this->statusOrder($args);
+		}
+
+		return 1;
+	}
+
+	/**
+	 * Provides the command description.
+	 * @return string the command description.
+	 */
+	public function getHelp()
+	{
+		return $this->run(array('help'));
+	}
+
+	////////////////////////////////////////////////////////////////////////////////////
+
+	private function checkSymbol($symbol)
+	{
+		return dboscalar("SELECT COUNT(*) FROM coins WHERE symbol=:symbol",
+			array(':symbol'=>$symbol)
+		);
+	}
+
+	private function shapeshiftAllowed($symbol)
+	{
+		return dboscalar("SELECT COUNT(M.id) FROM coins C INNER JOIN markets M ON M.coinid = C.id ".
+			"WHERE C.symbol=:symbol AND M.name='shapeshift'",
+			array(':symbol'=>$symbol)
+		);
+	}
+
+	public function listShiftCoins($args)
+	{
+		$res = dbolist("SELECT C.symbol, C.available FROM coins C INNER JOIN markets M ON M.coinid = C.id ".
+			"WHERE M.name='shapeshift' AND C.installed ORDER BY symbol"
+		);
+		echo "installed: ";
+		foreach ($res as $c) {
+			echo $c['symbol'];
+			if ($c['available']) echo ' ('.bitcoinvaluetoa($c['available']).')';
+			echo ', ';
+		}
+		echo "\n";
+		/*
+		$res = dbolist("SELECT C.symbol FROM coins C INNER JOIN markets M ON M.coinid = C.id ".
+		"WHERE M.name='shapeshift' AND IFNULL(C.installed,0)=0 ORDER BY symbol");
+		echo "others: ";
+		foreach ($res as $c) echo $c['symbol'].' ';
+		echo "\n";
+		*/
+	}
+
+	////////////////////////////////////////////////////////////////////////////////////
+
+	public function startShift($args)
+	{
+		if (count($args) < 3)
+			die("usage: shift start <SYM-src> <SYM-dest> [dest-addr]\n");
+
+		$srcsym = $args[1];
+		$dstsym = $args[2];
+		$dstaddr = arraySafeVal($args, 3);
+		if (!$this->checkSymbol($srcsym)) {
+			echo "error: symbol '$srcsym' does not exist!\n";
+			return 1;
+		}
+		if (!$this->shapeshiftAllowed($srcsym)) {
+			echo "error: $srcsym is not supported by shapeshift!\n";
+			return 1;
+		}
+		if (!$this->checkSymbol($dstsym)) {
+			echo "error: symbol '$dstsym' does not exist!\n";
+			return 1;
+		}
+		if (!$this->shapeshiftAllowed($dstsym)) {
+			echo "error: $dstsym is not supported by shapeshift!\n";
+			return 1;
+		}
+
+		$coins = new db_coins;
+		$src = $coins->find(array('condition'=>'symbol=:sym', 'params'=>array(':sym'=>$srcsym)));
+		$dst = $coins->find(array('condition'=>'symbol=:sym', 'params'=>array(':sym'=>$dstsym)));
+
+		$data = array();
+		$data['returnAddress'] = $src->master_wallet;
+		$data['pair'] = strtolower($src->getOfficialSymbol().'_'.$dst->getOfficialSymbol());
+		$data['withdrawal'] = $dst->master_wallet;
+		if (!empty($dstaddr)) {
+			$data['withdrawal'] = $dstaddr;
+		}
+		//$data->apiKey = ...;
+
+		$res = shapeshift_api_query('marketinfo', $data['pair']);
+		if (!is_array($res)) {
+			echo json_encode($res)."\n";
+			return 1;
+		}
+
+		//echo json_encode($data)."\n";
+		$res = shapeshift_api_post('shift', $data);
+		if (isset($res['error'])) {
+			echo json_encode($res)."\n";
+			return 1;
+		}
+
+		if (isset($res['deposit'])) {
+			echo json_encode($res)."\n";
+			echo "1. sendtoaddress {$res['deposit']} <amount>\n";
+			//echo "1. shift send <amount> $srcsym {$res['deposit']}\n";
+			echo "2. yiimp shift status {$res['deposit']}\n";
+		}
+		return 0;
+	}
+
+	////////////////////////////////////////////////////////////////////////////////////
+
+	public function sendShift($args)
+	{
+		if (count($args) < 4)
+			die("usage: shift send <amount> <SYM> <deposit-addr>\n");
+
+		$amount = bitcoinvaluetoa($args[1]);
+		$symbol = $args[2];
+		$deposit = $args[3];
+
+		$coin = getdbosql('db_coins', 'symbol=:sym', array(':sym'=>$symbol));
+		if (!$coin) return 1;
+
+		$remote = new WalletRPC($coin);
+		$res = $remote->validateaddress($deposit);
+		if (objSafeVal($res,'isvalid',false) == false) {
+			echo json_encode($res)."\n";
+			return 1;
+		}
+
+		echo "not yet implemented for security purpose\n";
+	}
+
+	////////////////////////////////////////////////////////////////////////////////////
+
+	public function statusOrder($args)
+	{
+		if (count($args) < 2)
+			die("usage: shift status <deposit-addr>\n");
+
+		$res = shapeshift_api_query('txStat', $args[1]);
+		echo json_encode($res)."\n";
+		return 0;
+	}
+}
diff --git a/web/yaamp/core/exchange/shapeshift.php b/web/yaamp/core/exchange/shapeshift.php
index 6a77429..51b3852 100644
--- a/web/yaamp/core/exchange/shapeshift.php
+++ b/web/yaamp/core/exchange/shapeshift.php
@@ -17,7 +17,35 @@ function shapeshift_api_query($method, $params='')
 	//curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
 
 	$execResult = strip_tags(curl_exec($ch));
-	$obj = json_decode($execResult, true);
+	$arr = json_decode($execResult, true);
 
-	return $obj;
+	return $arr;
+}
+
+// https://shapeshift.io/shift
+// example data: {"withdrawal":"AAAAAAAAAAAAA", "pair":"btc_ltc", returnAddress:"BBBBBBBBBBB"}
+
+function shapeshift_api_post($method, $data=array())
+{
+	$uri = "https://shapeshift.io/{$method}";
+
+	$post_data = json_encode($data);
+
+	$headers = array(
+		'Content-Type: application/json',
+	);
+
+	$ch = curl_init($uri);
+	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
+
+	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+	curl_setopt($ch, CURLOPT_POST, true);
+	curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
+
+	$execResult = strip_tags(curl_exec($ch));
+	$arr = json_decode($execResult, true);
+
+	return $arr;
 }