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fix: ensure l2Counterpart is nonzero (C4 M-201) #740

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Merged
merged 1 commit into from
Nov 23, 2022
Merged

fix: ensure l2Counterpart is nonzero (C4 M-201) #740

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1 change: 1 addition & 0 deletions contracts/gateway/L1GraphTokenGateway.sol
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Expand Up @@ -72,6 +72,7 @@ contract L1GraphTokenGateway is GraphTokenGateway, L1ArbitrumMessenger {
*/
modifier onlyL2Counterpart() {
require(inbox != address(0), "INBOX_NOT_SET");
require(l2Counterpart != address(0), "L2_COUNTERPART_NOT_SET");

// a message coming from the counterpart gateway was executed by the bridge
IBridge bridge = IInbox(inbox).bridge();
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