message: Add timestamp to state batch
diff: @@ -73,7 +73,10 @@ contract OVM_StateCommitmentChain is iOVM_StateCommitmentChain, OVM_BaseChain, L
  elements[i] = abi.encodePacked(_batch[i]);
  }
  - _appendBatch(elements);
  + _appendBatch(
  + elements,
  + abi.encodePacked(block.timestamp)
  + );
  }
  /**
  