Small event fixes

packages/contracts/contracts/optimistic-ethereum/OVM/chain/OVM_CanonicalTransactionChain.sol

@@ -172,7 +172,9 @@ contract OVM_CanonicalTransactionChain is iOVM_CanonicalTransactionChain, OVM_Ba
 
         queue.push2(transactionHash, timestampAndBlockNumber, bytes28(0));
 
-        emit QueueTransactionAppended(transaction, timestampAndBlockNumber);
+        (, uint32 nextQueueIndex) = _getLatestBatchContext();
+        // TODO: Evaluate if we need timestamp
+        emit TransactionEnqueued(transaction, nextQueueIndex - 1, block.timestamp);
     }
 
     /**
@@ -203,7 +205,7 @@ contract OVM_CanonicalTransactionChain is iOVM_CanonicalTransactionChain, OVM_Ba
             _numQueuedTransactions
         );
 
-        emit ChainBatchAppended(
+        emit QueueBatchAppended(
             nextQueueIndex - _numQueuedTransactions,
             _numQueuedTransactions
         );
@@ -271,6 +273,10 @@ contract OVM_CanonicalTransactionChain is iOVM_CanonicalTransactionChain, OVM_Ba
             }
         }
 
+        require(
+            numSequencerTransactionsProcessed == _transactions.length,
+            "Not all sequencer transactions were processed."
+        );
         require(
             transactionIndex == _totalElementsToAppend,
             "Actual transaction index does not match expected total elements to append."
@@ -283,7 +289,7 @@ contract OVM_CanonicalTransactionChain is iOVM_CanonicalTransactionChain, OVM_Ba
             numQueuedTransactions
         );
 
-        emit ChainBatchAppended(
+        emit SequencerBatchAppended(
             nextQueueIndex - numQueuedTransactions,
             numQueuedTransactions
         );

packages/contracts/contracts/optimistic-ethereum/iOVM/chain/iOVM_CanonicalTransactionChain.sol

@@ -17,12 +17,18 @@ interface iOVM_CanonicalTransactionChain is iOVM_BaseChain {
      * Events *
      **********/
 
-    event QueueTransactionAppended(
+    event TransactionEnqueued(
         bytes _transaction,
-        bytes32 _timestampAndBlockNumber
+        uint _queueIndex,
+        uint _timestamp
     );
 
-    event ChainBatchAppended(
+    event QueueBatchAppended(
+        uint256 _startingQueueIndex,
+        uint256 _numQueueElements
+    );
+
+    event SequencerBatchAppended(
         uint256 _startingQueueIndex,
         uint256 _numQueueElements
     );