add back EVM precompiles, l2 gas burn, max l2 tx size

packages/contracts/contracts/optimistic-ethereum/OVM/queue/OVM_L1ToL2TransactionQueue.sol

@@ -17,6 +17,13 @@ import { OVM_BaseQueue } from "./OVM_BaseQueue.sol";
  */
 contract OVM_L1ToL2TransactionQueue is iOVM_L1ToL2TransactionQueue, OVM_BaseQueue, Lib_AddressResolver {
 
+    /*************************************************
+     * Contract Variables: Transaction Restrinctions *
+     *************************************************/
+
+    uint constant MAX_ROLLUP_TX_SIZE = 10000;
+    uint constant L2_GAS_DISCOUNT_DIVISOR = 10;
+
     /*******************************************
      * Contract Variables: Contract References *
      *******************************************/
@@ -58,6 +65,15 @@ contract OVM_L1ToL2TransactionQueue is iOVM_L1ToL2TransactionQueue, OVM_BaseQueu
         override
         public
     {
+        require(
+            _data.length <= MAX_ROLLUP_TX_SIZE,
+            "Transaction exceeds maximum rollup data size."
+        );
+
+        uint gasToConsume = _gasLimit/L2_GAS_DISCOUNT_DIVISOR;
+        // The methodId for consumeAllGasProvided() is 0xfd4cbdd9.
+        address(this).call{gas: gasToConsume}(hex"fd4cbdd9");
+
         Lib_OVMCodec.QueueElement memory element = Lib_OVMCodec.QueueElement({
             timestamp: block.timestamp,
             batchRoot: keccak256(abi.encodePacked(
@@ -85,4 +101,21 @@ contract OVM_L1ToL2TransactionQueue is iOVM_L1ToL2TransactionQueue, OVM_BaseQueu
 
         _dequeue();
     }
+
+
+    /***************************************
+     * External Functions: Gas Consumption *
+     ***************************************/
+
+    /**
+     * Consumes all gas provided.
+     * Note: this is an external function, but is only called by self.
+     */
+    function consumeAllGasProvided()
+        external
+    {
+        assembly {
+            invalid()
+        }
+    }
 }

packages/contracts/test/contracts/OVM/queue/OVM_L1ToL2TransactionQueue.spec.ts

@@ -31,7 +31,7 @@ const makeQueueElements = (count: number): any => {
   return [...Array(count)].map((el, idx) => {
     return {
       target: NON_ZERO_ADDRESS,
-      gasLimit: idx,
+      gasLimit: idx + 30_000,
       data: DUMMY_BYTES32[0],
     }
   })