feat: update solidity to 0.8.20

packages/evm/contracts/Hashi.sol

@@ -31,7 +31,7 @@
                                            Made with ❤️ by Gnosis Guild
 */
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IOracleAdapter } from "./interfaces/IOracleAdapter.sol";
 import { IHashi } from "./interfaces/IHashi.sol";

packages/evm/contracts/Yaho.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { MessageIdCalculator } from "./utils/MessageIdCalculator.sol";
 import { MessageHashCalculator } from "./utils/MessageHashCalculator.sol";

packages/evm/contracts/Yaru.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.sol";
 import { IYaru } from "./interfaces/IYaru.sol";

packages/evm/contracts/adapters/AMB/AMBAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IAMB } from "./IAMB.sol";
 import { BlockHashOracleAdapter } from "../BlockHashOracleAdapter.sol";

packages/evm/contracts/adapters/AMB/AMBReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Reporter } from "../Reporter.sol";
 import { AMBAdapter } from "./AMBAdapter.sol";

packages/evm/contracts/adapters/AMB/IAMB.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface IAMB {
     function messageSender() external view returns (address);

packages/evm/contracts/adapters/AMB/test/MockAMB.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IAMB } from "../IAMB.sol";
 import { AMBAdapter } from "../AMBAdapter.sol";

packages/evm/contracts/adapters/Axelar/AxelarAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { AxelarExecutable } from "@axelar-network/axelar-gmp-sdk-solidity/contracts/executable/AxelarExecutable.sol";

packages/evm/contracts/adapters/Axelar/AxelarReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";

packages/evm/contracts/adapters/BlockHashOracleAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { RLPReader } from "solidity-rlp/contracts/RLPReader.sol";
 import { OracleAdapter } from "./OracleAdapter.sol";

packages/evm/contracts/adapters/Celer/CelerAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IMessageReceiverApp } from "./interfaces/IMessageReceiverApp.sol";

packages/evm/contracts/adapters/Celer/CelerReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Reporter } from "../Reporter.sol";
 import { IMessageBus } from "./interfaces/IMessageBus.sol";

packages/evm/contracts/adapters/Celer/interfaces/IMessageBus.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface IMessageBus {
     /**

packages/evm/contracts/adapters/Celer/interfaces/IMessageReceiverApp.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface IMessageReceiverApp {
     enum ExecutionStatus {

packages/evm/contracts/adapters/Chainlink/CCIPAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { CCIPReceiver } from "@chainlink/contracts-ccip/src/v0.8/ccip/applications/CCIPReceiver.sol";

packages/evm/contracts/adapters/Chainlink/CCIPReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IRouterClient } from "@chainlink/contracts-ccip/src/v0.8/ccip/interfaces/IRouterClient.sol";

packages/evm/contracts/adapters/Connext/ConnextAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IXReceiver } from "@connext/interfaces/core/IXReceiver.sol";

packages/evm/contracts/adapters/Connext/ConnextReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IConnext } from "@connext/interfaces/core/IConnext.sol";

packages/evm/contracts/adapters/DendrETH/DendrETHAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { ILightClient, LightClientUpdate } from "./interfaces/IDendrETH.sol";
 import { SSZ } from "../Telepathy/libraries/SimpleSerialize.sol";

packages/evm/contracts/adapters/DendrETH/interfaces/IDendrETH.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity 0.8.17;
+pragma solidity 0.8.20;
 
 struct LightClientUpdate {
     bytes32 attestedHeaderRoot;

packages/evm/contracts/adapters/Electron/ElectronAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { BlockHashOracleAdapter } from "../BlockHashOracleAdapter.sol";
 import { ILightClient } from "./interfaces/ILightClient.sol";

packages/evm/contracts/adapters/Electron/interfaces/ILightClient.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ILightClient {
     function headers(uint256 slot) external view returns (bytes32);

packages/evm/contracts/adapters/Electron/lib/Merkle.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 library Merkle {
     uint256 internal constant SLOTS_PER_HISTORICAL_ROOT = 8192;

packages/evm/contracts/adapters/Electron/lib/Receipt.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import "@polytope-labs/solidity-merkle-trees/src/MerklePatricia.sol";
 import { RLPReader } from "@polytope-labs/solidity-merkle-trees/src/trie/ethereum/RLPReader.sol";

packages/evm/contracts/adapters/Hyperlane/HyperlaneAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IMessageRecipient } from "@hyperlane-xyz/core/contracts/interfaces/IMessageRecipient.sol";

packages/evm/contracts/adapters/Hyperlane/HyperlaneReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IMailbox } from "@hyperlane-xyz/core/contracts/interfaces/IMailbox.sol";

packages/evm/contracts/adapters/LayerZero/LayerZeroAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { ILayerZeroReceiver } from "./interfaces/ILayerZeroReceiver.sol";

packages/evm/contracts/adapters/LayerZero/LayerZeroReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { ILayerZeroEndpoint } from "./interfaces/ILayerZeroEndpoint.sol";

packages/evm/contracts/adapters/LayerZero/interfaces/ILayerZeroEndpoint.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ILayerZeroEndpoint {
     // @notice send a LayerZero message to the specified address at a LayerZero endpoint.

packages/evm/contracts/adapters/LayerZero/interfaces/ILayerZeroReceiver.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ILayerZeroReceiver {
     // @notice LayerZero endpoint will invoke this function to deliver the message on the destination

packages/evm/contracts/adapters/Optimism/L1CrossDomainMessengerReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Reporter } from "../Reporter.sol";
 import { IOracleAdapter } from "../../interfaces/IOracleAdapter.sol";

packages/evm/contracts/adapters/Optimism/L2CrossDomainMessengerAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { ICrossDomainMessenger } from "./interfaces/ICrossDomainMessenger.sol";
 import { BlockHashOracleAdapter } from "../BlockHashOracleAdapter.sol";

packages/evm/contracts/adapters/Optimism/interfaces/ICrossDomainMessenger.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.17;
+pragma solidity 0.8.20;
 
 interface ICrossDomainMessenger {
     function sendMessage(address _target, bytes calldata _message, uint32 _minGasLimit) external payable;

packages/evm/contracts/adapters/OracleAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IOracleAdapter } from "../interfaces/IOracleAdapter.sol";
 

packages/evm/contracts/adapters/PNetwork/PNetworkAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { IERC777Recipient } from "@openzeppelin/contracts/interfaces/IERC777Recipient.sol";

packages/evm/contracts/adapters/PNetwork/PNetworkReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

packages/evm/contracts/adapters/PNetwork/interfaces/IErc20Vault.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface IErc20Vault {
     function pegIn(

packages/evm/contracts/adapters/PNetwork/interfaces/IPToken.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface IPToken {
     function redeem(

packages/evm/contracts/adapters/PNetwork/test/ERC777Token.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts/token/ERC777/ERC777.sol";
 

packages/evm/contracts/adapters/PNetwork/test/MockVault.sol

@@ -4,7 +4,7 @@
 // logic to handle ETHPNT<->PNT fungibility, as well as custom logic to handle GALA tokens after
 // they upgraded from v1 to v2.
 
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
 import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";

packages/evm/contracts/adapters/PNetwork/test/PToken.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts/token/ERC777/ERC777.sol";
 

packages/evm/contracts/adapters/Reporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IHeaderStorage } from "../interfaces/IHeaderStorage.sol";
 import { IReporter } from "../interfaces/IReporter.sol";

packages/evm/contracts/adapters/Sygma/SygmaAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { AccessControl } from "@openzeppelin/contracts/access/AccessControl.sol";
 import "../BlockHashOracleAdapter.sol";

packages/evm/contracts/adapters/Sygma/SygmaReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { Reporter } from "../Reporter.sol";

packages/evm/contracts/adapters/Sygma/interfaces/IBridge.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BUSL-1.1
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 /**
     @title Interface for Bridge contract.

packages/evm/contracts/adapters/Sygma/interfaces/ISygmaAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BUSL-1.1
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ISygmaAdapter {
     function storeHashes(address reporter, uint256[] memory ids, bytes32[] memory _hashes) external;

packages/evm/contracts/adapters/Telepathy/TelepathyAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { ILightClient, TelepathyStorage } from "./interfaces/ITelepathy.sol";
 import { SSZ } from "./libraries/SimpleSerialize.sol";

packages/evm/contracts/adapters/Telepathy/interfaces/ITelepathy.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ILightClient {
     function consistent() external view returns (bool);

packages/evm/contracts/adapters/Telepathy/libraries/SimpleSerialize.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 library SSZ {
     // G-indicies for the BeaconBlockHeader -> bodyRoot -> executionPayload -> {blockNumber, blockHash}

packages/evm/contracts/adapters/Wormhole/WormholeAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { BlockHashOracleAdapter } from "../BlockHashOracleAdapter.sol";

packages/evm/contracts/adapters/Wormhole/WormholeReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Reporter } from "../Reporter.sol";
 import { IOracleAdapter } from "../../interfaces/IOracleAdapter.sol";

packages/evm/contracts/adapters/Wormhole/interfaces/IWormhole.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 struct Signature {
     bytes32 r;

packages/evm/contracts/adapters/ZetaChain/ZetaAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { ZetaReceiver, ZetaInterfaces } from "./interfaces/ZetaInterfaces.sol";

packages/evm/contracts/adapters/ZetaChain/ZetaReporter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { SafeERC20, IERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

packages/evm/contracts/adapters/ZetaChain/interfaces/ZetaInterfaces.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 interface ZetaInterfaces {
     /**

packages/evm/contracts/interfaces/IBlockHashOracleAdapter.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: LGPL-3.0-only
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.20;
 
 import { IOracleAdapter } from "./IOracleAdapter.sol";