status active token

contracts/status/StatusActiveToken.sol

@@ -0,0 +1,49 @@
+pragma solidity ^0.4.17;
+
+import "../token/ERC20Token.sol";
+import "../token/MiniMeTokenPreSigned.sol";
+import "../token/MiniMeTokenPreSignedFactory.sol";
+import "../token/ApproveAndCallFallBack.sol";
+
+contract StatusActiveToken is MiniMeTokenPreSigned, ApproveAndCallFallBack {
+    ERC20Token public snt;
+    
+    function StatusActiveToken(address _factory, address _snt)
+        MiniMeTokenPreSigned(
+            _factory,
+            address(0),                     // parent token
+            block.number,                       // snapshot block
+            "Status Network Token",  // Token name
+            18,                      // Decimals
+            "SNT",                   // Symbol
+            true                     // Enable transfers
+        ) 
+        public 
+    {
+        snt = ERC20Token(_snt);
+    }
+
+    function receiveApproval(address _from, uint256 _amount, address _token, bytes _data) public {
+        require(msg.sender == _token);
+        require(_token == address(snt));
+        require(_amount > 0);
+        require(_data.length == 0);
+        activateSNT(_from, _amount);
+    }
+
+    function activateSNT(address _from, uint256 _amount) public {
+        require(snt.transferFrom(_from, address(this), _amount));
+        generateTokens(_from, _amount);
+    }
+
+    function deactivateSNT(uint256 _amount) public {
+        _deactivateSNT(msg.sender, _amount);
+    }
+
+    function _deactivateSNT(address _from, uint256 _amount) private {
+        require(balanceOf(msg.sender) >= _amount);
+        require(snt.transfer(_from, _amount));
+        destroyTokens(_from, _amount);
+    }
+
+}