contracts-bedrock: more accurate benchmarks

packages/contracts-bedrock/.gas-snapshot

@@ -29,12 +29,12 @@ DeployerWhitelist_Test:test_owner_succeeds() (gas: 7582)
 DeployerWhitelist_Test:test_storageSlots_succeeds() (gas: 33395)
 FeeVault_Test:test_constructor_succeeds() (gas: 10736)
 FeeVault_Test:test_minWithdrawalAmount_succeeds() (gas: 10713)
-GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_0() (gas: 271003)
-GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_1() (gas: 2102211)
-GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_0() (gas: 456877)
-GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_1() (gas: 3201899)
-GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_0() (gas: 358143)
-GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_1() (gas: 2636871)
+GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_0() (gas: 266803)
+GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_1() (gas: 2100126)
+GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_0() (gas: 452677)
+GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_1() (gas: 3199814)
+GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_0() (gas: 353934)
+GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_1() (gas: 2634777)
 GasBenchMark_L1StandardBridge_Finalize:test_finalizeETHWithdrawal_benchmark() (gas: 40409)
 GasBenchMark_L2OutputOracle:test_proposeL2Output_benchmark() (gas: 88513)
 GasBenchMark_OptimismPortal:test_depositTransaction_benchmark() (gas: 75085)

packages/contracts-bedrock/contracts/test/BenchmarkTest.t.sol

@@ -132,7 +132,9 @@ contract GasBenchMark_L1CrossDomainMessenger is Messenger_Initializer {
     }
 
     function test_sendMessage_benchmark_0() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
+        vm.resumeGasMetering();
         // The amount of data typically sent during a bridge deposit.
         bytes
             memory data = hex"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
@@ -140,7 +142,9 @@ contract GasBenchMark_L1CrossDomainMessenger is Messenger_Initializer {
     }
 
     function test_sendMessage_benchmark_1() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), 10 gwei);
+        vm.resumeGasMetering();
         // The amount of data typically sent during a bridge deposit.
         bytes
             memory data = hex"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
@@ -160,17 +164,23 @@ contract GasBenchMark_L1StandardBridge_Deposit is Bridge_Initializer {
     }
 
     function test_depositETH_benchmark_0() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
+        vm.resumeGasMetering();
         L1Bridge.depositETH{ value: 500 }(50000, hex"");
     }
 
     function test_depositETH_benchmark_1() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), 10 gwei);
+        vm.resumeGasMetering();
         L1Bridge.depositETH{ value: 500 }(50000, hex"");
     }
 
     function test_depositERC20_benchmark_0() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
+        vm.resumeGasMetering();
         L1Bridge.bridgeERC20({
             _localToken: address(L1Token),
             _remoteToken: address(L2Token),
@@ -181,7 +191,9 @@ contract GasBenchMark_L1StandardBridge_Deposit is Bridge_Initializer {
     }
 
     function test_depositERC20_benchmark_1() external {
+        vm.pauseGasMetering();
         setPrevBaseFee(vm, address(op), 10 gwei);
+        vm.resumeGasMetering();
         L1Bridge.bridgeERC20({
             _localToken: address(L1Token),
             _remoteToken: address(L2Token),