fix(ctb): ERC20 bridge events

Minimal fix for ERC20 bridge events not being emitted correctly when
sending directly to bridge.

packages/contracts-bedrock/.gas-snapshot

 GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_0() (gas: 261344)
 GasBenchMark_L1CrossDomainMessenger:test_sendMessage_benchmark_1() (gas: 75851)
-GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_0() (gas: 348151)
-GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_1() (gas: 112583)
-GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_0() (gas: 348173)
-GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_1() (gas: 112604)
+GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_0() (gas: 348207)
+GasBenchMark_L1StandardBridge_Deposit:test_depositERC20_benchmark_1() (gas: 112639)
+GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_0() (gas: 348229)
+GasBenchMark_L1StandardBridge_Deposit:test_depositETH_benchmark_1() (gas: 112660)
 GasBenchMark_L1StandardBridge_Finalize:test_finalizeETHWithdrawal_benchmark() (gas: 40502)
 GasBenchMark_L2OutputOracle:test_proposeL2Output_benchmark() (gas: 88513)
 GasBenchMark_OptimismPortal:test_depositTransaction_benchmark() (gas: 74998)
@@ -92,11 +92,11 @@ L1ERC721Bridge_Test:test_finalizeBridgeERC721_notFromRemoteMessenger_reverts() (
 L1ERC721Bridge_Test:test_finalizeBridgeERC721_notViaLocalMessenger_reverts() (gas: 16093)
 L1ERC721Bridge_Test:test_finalizeBridgeERC721_selfToken_reverts() (gas: 17593)
 L1ERC721Bridge_Test:test_finalizeBridgeERC721_succeeds() (gas: 323814)
-L1StandardBridge_DepositERC20To_Test:test_depositERC20To_succeeds() (gas: 575959)
-L1StandardBridge_DepositERC20_Test:test_depositERC20_succeeds() (gas: 573786)
+L1StandardBridge_DepositERC20To_Test:test_depositERC20To_succeeds() (gas: 576276)
+L1StandardBridge_DepositERC20_Test:test_depositERC20_succeeds() (gas: 574103)
 L1StandardBridge_DepositERC20_TestFail:test_depositERC20_notEoa_reverts() (gas: 22320)
-L1StandardBridge_DepositETHTo_Test:test_depositETHTo_succeeds() (gas: 324712)
-L1StandardBridge_DepositETH_Test:test_depositETH_succeeds() (gas: 367539)
+L1StandardBridge_DepositETHTo_Test:test_depositETHTo_succeeds() (gas: 324839)
+L1StandardBridge_DepositETH_Test:test_depositETH_succeeds() (gas: 367666)
 L1StandardBridge_DepositETH_TestFail:test_depositETH_notEoa_reverts() (gas: 40780)
 L1StandardBridge_FinalizeBridgeETH_TestFail:test_finalizeBridgeETH_incorrectValue_reverts() (gas: 34207)
 L1StandardBridge_FinalizeBridgeETH_TestFail:test_finalizeBridgeETH_sendToMessenger_reverts() (gas: 34288)
@@ -107,7 +107,7 @@ L1StandardBridge_FinalizeERC20Withdrawal_TestFail:test_finalizeERC20Withdrawal_n
 L1StandardBridge_FinalizeETHWithdrawal_Test:test_finalizeETHWithdrawal_succeeds() (gas: 58686)
 L1StandardBridge_Getter_Test:test_getters_succeeds() (gas: 31449)
 L1StandardBridge_Initialize_Test:test_initialize_succeeds() (gas: 22005)
-L1StandardBridge_Receive_Test:test_receive_succeeds() (gas: 514475)
+L1StandardBridge_Receive_Test:test_receive_succeeds() (gas: 517114)
 L2CrossDomainMessenger_Test:test_messageVersion_succeeds() (gas: 8389)
 L2CrossDomainMessenger_Test:test_pause_notOwner_reverts() (gas: 10837)
 L2CrossDomainMessenger_Test:test_pause_succeeds() (gas: 31846)
@@ -168,11 +168,11 @@ L2StandardBridge_Test:test_finalizeBridgeETH_sendToMessenger_reverts() (gas: 239
 L2StandardBridge_Test:test_finalizeBridgeETH_sendToSelf_reverts() (gas: 23893)
 L2StandardBridge_Test:test_finalizeDeposit_succeeds() (gas: 89473)
 L2StandardBridge_Test:test_initialize_succeeds() (gas: 24270)
-L2StandardBridge_Test:test_receive_succeeds() (gas: 131905)
-L2StandardBridge_Test:test_withdrawTo_succeeds() (gas: 344660)
-L2StandardBridge_Test:test_withdraw_insufficientValue_reverts() (gas: 19630)
+L2StandardBridge_Test:test_receive_succeeds() (gas: 138419)
+L2StandardBridge_Test:test_withdrawTo_succeeds() (gas: 344914)
+L2StandardBridge_Test:test_withdraw_insufficientValue_reverts() (gas: 19627)
 L2StandardBridge_Test:test_withdraw_notEOA_reverts() (gas: 251798)
-L2StandardBridge_Test:test_withdraw_succeeds() (gas: 343975)
+L2StandardBridge_Test:test_withdraw_succeeds() (gas: 344228)
 L2ToL1MessagePasserTest:test_burn_succeeds() (gas: 112572)
 L2ToL1MessagePasserTest:test_initiateWithdrawal_fromContract_succeeds() (gas: 70423)
 L2ToL1MessagePasserTest:test_initiateWithdrawal_fromEOA_succeeds() (gas: 75874)

packages/contracts-bedrock/contracts/L1/L1StandardBridge.sol

@@ -100,6 +100,13 @@ contract L1StandardBridge is StandardBridge, Semver {
         StandardBridge(_messenger, payable(Predeploys.L2_STANDARD_BRIDGE))
     {}
 
+    /**
+     * @notice Allows EOAs to bridge ETH by sending directly to the bridge.
+     */
+    receive() external payable override onlyEOA {
+        _initiateETHDeposit(msg.sender, msg.sender, RECEIVE_DEFAULT_GAS_LIMIT, bytes(""));
+    }
+
     /**
      * @custom:legacy
      * @notice Finalizes a withdrawal of ERC20 tokens from L2.
@@ -261,7 +268,7 @@ contract L1StandardBridge is StandardBridge, Semver {
         address _from,
         address _to,
         uint32 _minGasLimit,
-        bytes calldata _extraData
+        bytes memory _extraData
     ) internal {
         emit ETHDepositInitiated(_from, _to, msg.value, _extraData);
         _initiateBridgeETH(_from, _to, msg.value, _minGasLimit, _extraData);
@@ -285,7 +292,7 @@ contract L1StandardBridge is StandardBridge, Semver {
         address _to,
         uint256 _amount,
         uint32 _minGasLimit,
-        bytes calldata _extraData
+        bytes memory _extraData
     ) internal {
         emit ERC20DepositInitiated(_l1Token, _l2Token, _from, _to, _amount, _extraData);
         _initiateBridgeERC20(_l1Token, _l2Token, _from, _to, _amount, _minGasLimit, _extraData);

packages/contracts-bedrock/contracts/L2/L2StandardBridge.sol

@@ -68,6 +68,20 @@ contract L2StandardBridge is StandardBridge, Semver {
         StandardBridge(payable(Predeploys.L2_CROSS_DOMAIN_MESSENGER), _otherBridge)
     {}
 
+    /**
+     * @notice Allows EOAs to bridge ETH by sending directly to the bridge.
+     */
+    receive() external payable override onlyEOA {
+        _initiateWithdrawal(
+            Predeploys.LEGACY_ERC20_ETH,
+            msg.sender,
+            msg.sender,
+            msg.value,
+            RECEIVE_DEFAULT_GAS_LIMIT,
+            bytes("")
+        );
+    }
+
     /**
      * @custom:legacy
      * @notice Initiates a withdrawal from L2 to L1.
@@ -165,7 +179,7 @@ contract L2StandardBridge is StandardBridge, Semver {
         address _to,
         uint256 _amount,
         uint32 _minGasLimit,
-        bytes calldata _extraData
+        bytes memory _extraData
     ) internal {
         address l1Token = OptimismMintableERC20(_l2Token).l1Token();
         if (_l2Token == Predeploys.LEGACY_ERC20_ETH) {

packages/contracts-bedrock/contracts/universal/StandardBridge.sol

@@ -164,9 +164,9 @@ abstract contract StandardBridge {
     }
 
     /**
-     * @notice Allows EOAs to deposit ETH by sending directly to the bridge.
+     * @notice Allows EOAs to bridge ETH by sending directly to the bridge.
      */
-    receive() external payable onlyEOA {
+    receive() external payable virtual onlyEOA {
         _initiateBridgeETH(msg.sender, msg.sender, msg.value, RECEIVE_DEFAULT_GAS_LIMIT, bytes(""));
     }
 
@@ -401,7 +401,7 @@ abstract contract StandardBridge {
         address _to,
         uint256 _amount,
         uint32 _minGasLimit,
-        bytes calldata _extraData
+        bytes memory _extraData
     ) internal {
         if (_isOptimismMintableERC20(_localToken)) {
             require(