fix: zero address check for malformed tx sig

maticnetwork · Aug 16, 2023 · 913f4b1 · 913f4b1
1 parent 1eb6960
commit 913f4b1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/contracts/root/predicates/IPredicate.sol b/contracts/root/predicates/IPredicate.sol
@@ -96,6 +96,7 @@ contract PredicateUtils is ExitsDataStructure, ChainIdMixin {
             bytes32(txList[7].toUint()),
             bytes32(txList[8].toUint())
         );
+        require(signer != address(0), "Invalid signer");
     }
 
     function decodeExit(bytes memory data)