Added onlyPayloadSize implementation

Added onlyPayloadSize modifier implementation for PR OpenZeppelin#224.
rudygodoy · Aug 2, 2017 · 2dd78cf · 2dd78cf
1 parent f7723b6
commit 2dd78cf
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/contracts/token/StandardToken.sol b/contracts/token/StandardToken.sol
@@ -16,6 +16,10 @@ contract StandardToken is ERC20, BasicToken {
 
   mapping (address => mapping (address => uint256)) allowed;
 
+  modifier onlyPayloadSize(uint numwords) {
+    require(msg.data.length == numwords * 32 + 4);
+    _;
+  }
 
   /**
    * @dev Transfer tokens from one address to another