Check makerFeeAssetData length before attempting to read id

2020-01-02 15:21:34 -08:00
parent 27d09713fd
commit b0aa5d3af2
2 changed files with 2 additions and 2 deletions
--- a/contracts/exchange-forwarder/contracts/src/MixinExchangeWrapper.sol
+++ b/contracts/exchange-forwarder/contracts/src/MixinExchangeWrapper.sol
@@ -492,6 +492,6 @@ contract MixinExchangeWrapper is
        pure
        returns (bool)
    {
-        return order.makerFeeAssetData.readBytes4(0) == EXCHANGE_V2_ORDER_ID;
+        return order.makerFeeAssetData.length > 3 && order.makerFeeAssetData.readBytes4(0) == EXCHANGE_V2_ORDER_ID;
    }
 }