fix: improve onlyL2Counterpart error message

Signed-off-by: Tomás Migone <[email protected]>
graphprotocol · Sep 7, 2022 · ae18852 · ae18852
1 parent b9e7235
commit ae18852
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/contracts/gateway/L1GraphTokenGateway.sol b/contracts/gateway/L1GraphTokenGateway.sol
@@ -71,6 +71,8 @@ contract L1GraphTokenGateway is GraphTokenGateway, L1ArbitrumMessenger {
      * can tell us who the sender from L2 is.
      */
     modifier onlyL2Counterpart() {
+        require(inbox != address(0), "INBOX_NOT_SET");
+
         // a message coming from the counterpart gateway was executed by the bridge
         IBridge bridge = IInbox(inbox).bridge();
         require(msg.sender == address(bridge), "NOT_FROM_BRIDGE");