chore: bump solc version to 0.8.23

foundry.toml

@@ -1,5 +1,5 @@
 [profile.default]
-solc = "0.8.17"
+solc = "0.8.23"
 src = 'src'
 out = 'out'
 libs = ['lib']

src/ETHPriceIsRight.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import {IETHPriceIsRight} from "./interfaces/IETHPriceIsRight.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";

src/Faucet.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import {IFaucet} from "./interfaces/IFaucet.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";

src/KintoID.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 /* External Imports */
 import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";

src/interfaces/IKYCViewer.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "./IKintoID.sol";
 import "./IKintoWalletFactory.sol";

src/libraries/ByteSignature.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 library ByteSignature {
     function extractTwoSignatures(bytes memory _fullSignature)

src/paymasters/SponsorPaymaster.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 /* solhint-disable reason-string */
 

src/proxy/SafeBeaconProxy.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import {UpgradeableBeacon} from "@openzeppelin/contracts/proxy/beacon/UpgradeableBeacon.sol";
 import {BeaconProxy} from "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol";

src/sample/Counter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 contract Counter {
     uint256 public count;

src/tokens/EngenCredits.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
 import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20BurnableUpgradeable.sol";

src/viewers/KYCViewer.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "@openzeppelin/contracts/utils/Create2.sol";
 import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";

src/wallet/KintoWallet.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "@openzeppelin/contracts/utils/Address.sol";
 import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

src/wallet/KintoWalletFactory.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "@openzeppelin/contracts/utils/Create2.sol";
 import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";

test/DeployTests.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "../src/wallet/KintoWallet.sol";
 import "../src/wallet/KintoWalletFactory.sol";

test/EngenCredits.t.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.12;
+pragma solidity ^0.8.23;
 
 import "../src/tokens/EngenCredits.sol";
 import "forge-std/Test.sol";

test/KintoWallet.t.sol

@@ -187,7 +187,8 @@ contract KintoWalletTest is AATestScaffolding, UserOp {
         // sender prefunds the contract
         vm.deal(address(_kintoWalletv1), 1 ether);
         vm.prank(address(_kintoWalletv1));
-        payable(address(counter)).call{value: 1 ether}("");
+        (bool success,) = payable(address(counter)).call{value: 1 ether}("");
+        assertEq(success, true);
 
         UserOperation[] memory userOps = new UserOperation[](2);
 

test/SponsorPaymastExploit.t.sol

@@ -32,7 +32,7 @@ contract MyOpCreator is UserOp, KYCSignature {
         uint256 value,
         bytes calldata _bytesOp,
         address _paymaster
-    ) public returns (UserOperation memory op) {
+    ) public view returns (UserOperation memory op) {
         op = UserOperation({
             sender: _account,
             nonce: nonce,