fix(L1Messenger): validate pubdata before publishing blob hashes

matter-labs · Jan 24, 2024 · c53456f · c53456f
1 parent abcbaf3
commit c53456f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/system-contracts/contracts/L1Messenger.sol b/system-contracts/contracts/L1Messenger.sol
@@ -310,11 +310,11 @@ contract L1Messenger is IL1Messenger, ISystemContract {
             compressedStateDiffs
         );
 
-        PUBDATA_CHUNK_PUBLISHER.chunkAndPublishPubdata(totalL2ToL1Pubdata);
-
         /// Check for calldata strict format
         require(calldataPtr == _totalL2ToL1PubdataAndStateDiffs.length, "Extra data in the totalL2ToL1Pubdata array");
 
+        PUBDATA_CHUNK_PUBLISHER.chunkAndPublishPubdata(totalL2ToL1Pubdata);
+
         /// Native (VM) L2 to L1 log
         SystemContractHelper.toL1(true, bytes32(uint256(SystemLogKey.L2_TO_L1_LOGS_TREE_ROOT_KEY)), l2ToL1LogsTreeRoot);
         SystemContractHelper.toL1(