WIP: Cancel order for specific trading pair

contracts/LoopringProtocol.sol

@@ -138,5 +138,5 @@ contract LoopringProtocol {
     ///        timestamp.
     /// @param cutoff The cutoff timestamp, will default to `block.timestamp`
     ///        if it is 0.
-    function setCutoff(uint cutoff) external;
+    function cancelAllOrders(uint cutoff) external;
 }

contracts/LoopringProtocolImpl.abi

@@ -1 +1 @@
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contracts/LoopringProtocolImpl.sol

@@ -365,7 +365,7 @@ contract LoopringProtocolImpl is LoopringProtocol {
         id = keccak256(token1) ^ keccak256(token2);
     }
 
-  /// @dev   Set a cutoff timestamp to invalidate all orders whose timestamp
+    /// @dev   Set a cutoff timestamp to invalidate particular trading pairs whose timestamp
     ///        is smaller than or equal to the new value of the address's cutoff
     ///        timestamp.
     /// @param cutoff The cutoff timestamp, will default to `block.timestamp`
@@ -392,7 +392,7 @@ contract LoopringProtocolImpl is LoopringProtocol {
     ///        timestamp.
     /// @param cutoff The cutoff timestamp, will default to `block.timestamp`
     ///        if it is 0.
-    function setCutoff(uint cutoff)
+    function cancelAllOrders(uint cutoff)
         external
     {
 

contracts/lib/Claimable.sol

@@ -17,7 +17,7 @@
 */
 pragma solidity 0.4.18;
 
-import './Ownable.sol';
+import "./Ownable.sol";
 
 
 /// @title Claimable

package.json

@@ -37,6 +37,7 @@
   },
   "dependencies": {
     "bignumber.js": "^4.1.0",
+    "bitwise-xor": "0.0.0",
     "bluebird": "^3.5.0",
     "bn.js": "^4.11.8",
     "es6-promisify": "^5.0.0",