Msg value refund

contracts/FastLaneFactory.sol

@@ -1,5 +1,5 @@
 //SPDX-License-Identifier: Unlicensed
-pragma solidity 0.8.16;
+pragma solidity ^0.8.16;
 
 import {FastLaneLegacyAuction} from "./legacy/FastLaneLegacyAuction.sol";
 

contracts/auction-handler/FastLaneAuctionHandler.sol

@@ -231,6 +231,12 @@ contract FastLaneAuctionHandler is FastLaneAuctionHandlerEvents {
         ) returns (uint256 bidAmount) {
             emit RelayFastBid(msg.sender, block.coinbase, true, bidAmount, searcherToAddress);
         } catch {
+            if (msg.value > 0) {
+                SafeTransferLib.safeTransferETH(
+                    msg.sender, 
+                    msg.value
+                );
+            }
             emit RelayFastBid(msg.sender, block.coinbase, false, 0, searcherToAddress);
         }
     }
@@ -370,7 +376,7 @@ contract FastLaneAuctionHandler is FastLaneAuctionHandlerEvents {
                     tx.origin, 
                     surplus
                 );
-
+            
             // Otherwise refund the searcher contract
             } else {
                 SafeTransferLib.safeTransferETH(
@@ -494,7 +500,7 @@ contract FastLaneAuctionHandler is FastLaneAuctionHandlerEvents {
         limitedReentrant(paymentProcessor) 
         validPayee 
     {
-        if (paymentProcessor == address(0)) revert RelayProcessorCannotBeZero();
+        if (paymentProcessor == address(0) || paymentProcessor == address(this)) revert RelayProcessorCannotBeZero();
 
         address validator = getValidator();
         uint256 validatorBalance = validatorsBalanceMap[validator] - 1;

contracts/legacy/FastLaneLegacyAuction.sol

@@ -1,5 +1,5 @@
 //SPDX-License-Identifier: Unlicensed
-pragma solidity 0.8.16;
+pragma solidity ^0.8.16;
 
 import "openzeppelin-contracts/contracts/utils/Address.sol";
 import { SafeTransferLib, ERC20 } from "solmate/utils/SafeTransferLib.sol";
@@ -174,7 +174,7 @@ contract FastLaneLegacyAuction is Initializable, OwnableUpgradeable , UUPSUpgrad
     }
 
     function initialize(address _newOwner) public initializer {
-        __Ownable_init();
+        // __Ownable_init();
         __UUPSUpgradeable_init();
         _transferOwnership(_newOwner);
     }

foundry.toml

@@ -15,5 +15,5 @@ bytecode_hash = "none"
 names = true
 sizes = true
 gas_price = 60000000000
-solc_version = '0.8.16'
+solc_version = '0.8.20'
 # See more config options https://github.com/foundry-rs/foundry/tree/master/config

script/legacy-script/UUPSDeploy.s.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: AGPL-3.0-only
-pragma solidity 0.8.16;
+pragma solidity ^0.8.16;
 
 import "forge-std/Test.sol";
 import "forge-std/Script.sol";

test/legacy-test/PFLDeploy.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity 0.8.16;
+pragma solidity ^0.8.16;
 
 import "contracts/legacy/FastLaneLegacyAuction.sol";