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0xa71456fA88a5f6a4696D0446E690Db4a5913fab0
 

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Relay Proposal194323152024-03-14 9:19:23123 days ago1710407963IN
0xa71456fA...a5913fab0
0 ETH0.0272652447.68976618
Relay Proposal192591682024-02-19 3:38:35147 days ago1708313915IN
0xa71456fA...a5913fab0
0 ETH0.0128629718.81968686
Relay Proposal191596822024-02-05 4:25:11161 days ago1707107111IN
0xa71456fA...a5913fab0
0 ETH0.0083781713.09343485
Relay Proposal188743942023-12-27 3:42:11201 days ago1703648531IN
0xa71456fA...a5913fab0
0 ETH0.0066217514.26874797
Relay Global Pro...183761362023-10-18 8:45:35271 days ago1697618735IN
0xa71456fA...a5913fab0
0 ETH0.026741857.44998216
0x60a06040183256192023-10-11 7:09:23278 days ago1697008163IN
 Create: MainchainBridgeManager
0 ETH0.029632576.27478997

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Contract Source Code Verified (Exact Match)

Contract Name:
MainchainBridgeManager

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 200 runs

Other Settings:
london EvmVersion, MIT license
File 1 of 42 : MainchainBridgeManager.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { CoreGovernance } from "../extensions/sequential-governance/CoreGovernance.sol";
import { GlobalCoreGovernance, GlobalGovernanceRelay } from "../extensions/sequential-governance/governance-relay/GlobalGovernanceRelay.sol";
import { GovernanceRelay } from "../extensions/sequential-governance/governance-relay/GovernanceRelay.sol";
import { ContractType, BridgeManager } from "../extensions/bridge-operator-governance/BridgeManager.sol";
import { Ballot } from "../libraries/Ballot.sol";
import { Proposal } from "../libraries/Proposal.sol";
import { GlobalProposal } from "../libraries/GlobalProposal.sol";
import "../utils/CommonErrors.sol";

contract MainchainBridgeManager is BridgeManager, GovernanceRelay, GlobalGovernanceRelay {
  uint256 private constant DEFAULT_EXPIRY_DURATION = 1 << 255;

  constructor(
    uint256 num,
    uint256 denom,
    uint256 roninChainId,
    address bridgeContract,
    address[] memory callbackRegisters,
    address[] memory bridgeOperators,
    address[] memory governors,
    uint96[] memory voteWeights,
    GlobalProposal.TargetOption[] memory targetOptions,
    address[] memory targets
  )
    payable
    CoreGovernance(DEFAULT_EXPIRY_DURATION)
    GlobalCoreGovernance(targetOptions, targets)
    BridgeManager(num, denom, roninChainId, bridgeContract, callbackRegisters, bridgeOperators, governors, voteWeights)
  {}

  /**
   * @dev See `GovernanceRelay-_relayProposal`.
   *
   * Requirements:
   * - The method caller is governor.
   */
  function relayProposal(
    Proposal.ProposalDetail calldata proposal,
    Ballot.VoteType[] calldata supports_,
    Signature[] calldata signatures
  ) external onlyGovernor {
    _relayProposal(proposal, supports_, signatures, DOMAIN_SEPARATOR, msg.sender);
  }

  /**
   * @dev See `GovernanceRelay-_relayGlobalProposal`.
   *
   *  Requirements:
   * - The method caller is governor.
   */
  function relayGlobalProposal(
    GlobalProposal.GlobalProposalDetail calldata globalProposal,
    Ballot.VoteType[] calldata supports_,
    Signature[] calldata signatures
  ) external onlyGovernor {
    _relayGlobalProposal({
      globalProposal: globalProposal,
      supports_: supports_,
      signatures: signatures,
      domainSeparator: DOMAIN_SEPARATOR,
      creator: msg.sender
    });
  }

  /**
   * @dev Internal function to retrieve the minimum vote weight required for governance actions.
   * @return minimumVoteWeight The minimum vote weight required for governance actions.
   */
  function _getMinimumVoteWeight() internal view override returns (uint256) {
    return minimumVoteWeight();
  }

  /**
   * @dev Returns the expiry duration for a new proposal.
   */
  function getProposalExpiryDuration() external view returns (uint256) {
    return _getProposalExpiryDuration();
  }

  /**
   * @dev Internal function to retrieve the total weights of all governors.
   * @return totalWeights The total weights of all governors combined.
   */
  function _getTotalWeight() internal view override returns (uint256) {
    return getTotalWeight();
  }

  /**
   * @dev Internal function to calculate the sum of weights for a given array of governors.
   * @param governors An array containing the addresses of governors to calculate the sum of weights.
   * @return sumWeights The sum of weights for the provided governors.
   */
  function _sumWeight(address[] memory governors) internal view override returns (uint256) {
    return _sumGovernorsWeight(governors);
  }

  /**
   * @dev Internal function to retrieve the chain type of the contract.
   * @return chainType The chain type, indicating the type of the chain the contract operates on (e.g., Mainchain).
   */
  function _getChainType() internal pure override returns (ChainType) {
    return ChainType.Mainchain;
  }
}

File 2 of 42 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 3 of 42 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

import "../Proxy.sol";
import "./ERC1967Upgrade.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializing the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

File 4 of 42 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 5 of 42 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 6 of 42 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 7 of 42 : TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/transparent/TransparentUpgradeableProxy.sol)

pragma solidity ^0.8.0;

import "../ERC1967/ERC1967Proxy.sol";

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 *
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 *
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 *
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 *
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
 */
contract TransparentUpgradeableProxy is ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(
        address _logic,
        address admin_,
        bytes memory _data
    ) payable ERC1967Proxy(_logic, _data) {
        _changeAdmin(admin_);
    }

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _getAdmin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function admin() external ifAdmin returns (address admin_) {
        admin_ = _getAdmin();
    }

    /**
     * @dev Returns the current implementation.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation() external ifAdmin returns (address implementation_) {
        implementation_ = _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external virtual ifAdmin {
        _changeAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeToAndCall(newImplementation, bytes(""), false);
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
        _upgradeToAndCall(newImplementation, data, true);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address) {
        return _getAdmin();
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal virtual override {
        require(msg.sender != _getAdmin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
        super._beforeFallback();
    }
}

File 8 of 42 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 42 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}

File 10 of 42 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

File 11 of 42 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 12 of 42 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 13 of 42 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
 *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

File 14 of 42 : TransparentUpgradeableProxyV2.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";

contract TransparentUpgradeableProxyV2 is TransparentUpgradeableProxy {
  constructor(
    address _logic,
    address admin_,
    bytes memory _data
  ) payable TransparentUpgradeableProxy(_logic, admin_, _data) {}

  /**
   * @dev Calls a function from the current implementation as specified by `_data`, which should be an encoded function call.
   *
   * Requirements:
   * - Only the admin can call this function.
   *
   * Note: The proxy admin is not allowed to interact with the proxy logic through the fallback function to avoid
   * triggering some unexpected logic. This is to allow the administrator to explicitly call the proxy, please consider
   * reviewing the encoded data `_data` and the method which is called before using this.
   *
   */
  function functionDelegateCall(bytes memory _data) public payable ifAdmin {
    address _addr = _implementation();
    assembly {
      let _result := delegatecall(gas(), _addr, add(_data, 32), mload(_data), 0, 0)
      returndatacopy(0, 0, returndatasize())
      switch _result
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }
}

File 15 of 42 : BridgeManager.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { IBridgeManagerCallback, EnumerableSet, BridgeManagerCallbackRegister } from "./BridgeManagerCallbackRegister.sol";
import { IHasContracts, HasContracts } from "../../extensions/collections/HasContracts.sol";
import { IQuorum } from "../../interfaces/IQuorum.sol";
import { IBridgeManager } from "../../interfaces/bridge/IBridgeManager.sol";
import { AddressArrayUtils } from "../../libraries/AddressArrayUtils.sol";
import { ContractType } from "../../utils/ContractType.sol";
import { RoleAccess } from "../../utils/RoleAccess.sol";
import { TUint256Slot } from "../../types/Types.sol";
import "../../utils/CommonErrors.sol";

abstract contract BridgeManager is IQuorum, IBridgeManager, BridgeManagerCallbackRegister, HasContracts {
  using AddressArrayUtils for address[];
  using EnumerableSet for EnumerableSet.AddressSet;

  /// @dev value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.governorToBridgeOperatorInfo.slot") - 1
  bytes32 private constant GOVERNOR_TO_BRIDGE_OPERATOR_INFO_SLOT =
    0x88547008e60f5748911f2e59feb3093b7e4c2e87b2dd69d61f112fcc932de8e3;
  /// @dev value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.govenorOf.slot") - 1
  bytes32 private constant GOVENOR_OF_SLOT = 0x8400683eb2cb350596d73644c0c89fe45f108600003457374f4ab3e87b4f3aa3;
  /// @dev value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.governors.slot") - 1
  bytes32 private constant GOVERNOR_SET_SLOT = 0x546f6b46ab35b030b6816596b352aef78857377176c8b24baa2046a62cf1998c;
  /// @dev value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.bridgeOperators.slot") - 1
  bytes32 private constant BRIDGE_OPERATOR_SET_SLOT =
    0xd38c234075fde25875da8a6b7e36b58b86681d483271a99eeeee1d78e258a24d;

  /**
   * @dev The numerator value used for calculations in the contract.
   * @notice value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.numerator.slot") - 1
   */
  TUint256Slot internal constant NUMERATOR_SLOT =
    TUint256Slot.wrap(0xc55405a488814eaa0e2a685a0131142785b8d033d311c8c8244e34a7c12ca40f);

  /**
   * @dev The denominator value used for calculations in the contract.
   * @notice value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.denominator.slot") - 1
   */
  TUint256Slot internal constant DENOMINATOR_SLOT =
    TUint256Slot.wrap(0xac1ff16a4f04f2a37a9ba5252a69baa100b460e517d1f8019c054a5ad698f9ff);

  /**
   * @dev The nonce value used for tracking nonces in the contract.
   * @notice value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.nonce.slot") - 1
   */
  TUint256Slot internal constant NONCE_SLOT =
    TUint256Slot.wrap(0x92872d32822c9d44b36a2537d3e0d4c46fc4de1ce154ccfaed560a8a58445f1d);

  /**
   * @dev The total weight value used for storing the cumulative weight in the contract.
   * @notice value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.totalWeights.slot") - 1
   */
  TUint256Slot internal constant TOTAL_WEIGHTS_SLOT =
    TUint256Slot.wrap(0x6924fe71b0c8b61aea02ca498b5f53b29bd95726278b1fe4eb791bb24a42644c);

  /**
   * @inheritdoc IBridgeManager
   */
  bytes32 public immutable DOMAIN_SEPARATOR;

  modifier onlyGovernor() virtual {
    _requireGovernor(msg.sender);
    _;
  }

  constructor(
    uint256 num,
    uint256 denom,
    uint256 roninChainId,
    address bridgeContract,
    address[] memory callbackRegisters,
    address[] memory bridgeOperators,
    address[] memory governors,
    uint96[] memory voteWeights
  ) payable BridgeManagerCallbackRegister(callbackRegisters) {
    NONCE_SLOT.store(1);

    _setThreshold(num, denom);
    _setContract(ContractType.BRIDGE, bridgeContract);

    DOMAIN_SEPARATOR = keccak256(
      abi.encode(
        keccak256("EIP712Domain(string name,string version,bytes32 salt)"),
        keccak256("BridgeAdmin"), // name hash
        keccak256("2"), // version hash
        keccak256(abi.encode("BRIDGE_ADMIN", roninChainId)) // salt
      )
    );

    _addBridgeOperators(voteWeights, governors, bridgeOperators);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function addBridgeOperators(
    uint96[] calldata voteWeights,
    address[] calldata governors,
    address[] calldata bridgeOperators
  ) external onlySelfCall returns (bool[] memory addeds) {
    addeds = _addBridgeOperators(voteWeights, governors, bridgeOperators);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function removeBridgeOperators(
    address[] calldata bridgeOperators
  ) external onlySelfCall returns (bool[] memory removeds) {
    removeds = _removeBridgeOperators(bridgeOperators);
  }

  /**
   * @inheritdoc IBridgeManager
   * @notice This method checks authorization by querying the corresponding operator of the msg.sender and then
   * attempts to remove it from the `_bridgeOperatorSet` for gas optimization. In case we allow a governor can leave
   * their operator address blank null `address(0)`, consider add authorization check.
   */
  function updateBridgeOperator(address newBridgeOperator) external onlyGovernor {
    _requireNonZeroAddress(newBridgeOperator);

    // Queries the previous bridge operator
    mapping(address => BridgeOperatorInfo) storage _gorvernorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();
    address currentBridgeOperator = _gorvernorToBridgeOperatorInfo[msg.sender].addr;
    if (currentBridgeOperator == newBridgeOperator) {
      revert ErrBridgeOperatorAlreadyExisted(newBridgeOperator);
    }

    // Tries replace the bridge operator
    EnumerableSet.AddressSet storage _bridgeOperatorSet = _getBridgeOperatorSet();
    bool updated = _bridgeOperatorSet.remove(currentBridgeOperator) && _bridgeOperatorSet.add(newBridgeOperator);
    if (!updated) revert ErrBridgeOperatorUpdateFailed(newBridgeOperator);

    mapping(address => address) storage _governorOf = _getGovernorOf();
    delete _governorOf[currentBridgeOperator];
    _governorOf[newBridgeOperator] = msg.sender;
    _gorvernorToBridgeOperatorInfo[msg.sender].addr = newBridgeOperator;

    _notifyRegisters(
      IBridgeManagerCallback.onBridgeOperatorUpdated.selector,
      abi.encode(currentBridgeOperator, newBridgeOperator)
    );

    emit BridgeOperatorUpdated(msg.sender, currentBridgeOperator, newBridgeOperator);
  }

  /**
   * @inheritdoc IHasContracts
   */
  function setContract(ContractType contractType, address addr) external override onlySelfCall {
    _requireHasCode(addr);
    _setContract(contractType, addr);
  }

  /**
   * @inheritdoc IQuorum
   */
  function setThreshold(
    uint256 numerator,
    uint256 denominator
  ) external override onlySelfCall returns (uint256, uint256) {
    return _setThreshold(numerator, denominator);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getTotalWeight() public view returns (uint256) {
    return TOTAL_WEIGHTS_SLOT.load();
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getGovernorWeights(address[] calldata governors) external view returns (uint96[] memory weights) {
    weights = _getGovernorWeights(governors);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getGovernorWeight(address governor) external view returns (uint96 weight) {
    weight = _getGovernorWeight(governor);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function sumGovernorsWeight(
    address[] calldata governors
  ) external view nonDuplicate(governors) returns (uint256 sum) {
    sum = _sumGovernorsWeight(governors);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function totalBridgeOperator() external view returns (uint256) {
    return _getBridgeOperatorSet().length();
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function isBridgeOperator(address addr) external view returns (bool) {
    return _getBridgeOperatorSet().contains(addr);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getBridgeOperators() external view returns (address[] memory) {
    return _getBridgeOperators();
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getGovernors() external view returns (address[] memory) {
    return _getGovernors();
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getBridgeOperatorOf(address[] memory governors) public view returns (address[] memory bridgeOperators) {
    uint256 length = governors.length;
    bridgeOperators = new address[](length);

    mapping(address => BridgeOperatorInfo) storage _gorvernorToBridgeOperator = _getGovernorToBridgeOperatorInfo();
    for (uint256 i; i < length; ) {
      bridgeOperators[i] = _gorvernorToBridgeOperator[governors[i]].addr;
      unchecked {
        ++i;
      }
    }
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getGovernorsOf(address[] calldata bridgeOperators) external view returns (address[] memory governors) {
    uint256 length = bridgeOperators.length;
    governors = new address[](length);
    mapping(address => address) storage _governorOf = _getGovernorOf();

    for (uint256 i; i < length; ) {
      governors[i] = _governorOf[bridgeOperators[i]];
      unchecked {
        ++i;
      }
    }
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getFullBridgeOperatorInfos()
    external
    view
    returns (address[] memory governors, address[] memory bridgeOperators, uint96[] memory weights)
  {
    governors = _getGovernors();
    bridgeOperators = getBridgeOperatorOf(governors);
    weights = _getGovernorWeights(governors);
  }

  /**
   * @inheritdoc IBridgeManager
   */
  function getBridgeOperatorWeight(address bridgeOperator) external view returns (uint96 weight) {
    mapping(address => address) storage _governorOf = _getGovernorOf();
    mapping(address => BridgeOperatorInfo) storage _governorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();
    weight = _governorToBridgeOperatorInfo[_governorOf[bridgeOperator]].voteWeight;
  }

  /**
   * @inheritdoc IQuorum
   */
  function minimumVoteWeight() public view virtual returns (uint256) {
    return (NUMERATOR_SLOT.mul(TOTAL_WEIGHTS_SLOT.load()) + DENOMINATOR_SLOT.load() - 1) / DENOMINATOR_SLOT.load();
  }

  /**
   * @inheritdoc IQuorum
   */
  function getThreshold() external view virtual returns (uint256 num_, uint256 denom_) {
    return (NUMERATOR_SLOT.load(), DENOMINATOR_SLOT.load());
  }

  /**
   * @inheritdoc IQuorum
   */
  function checkThreshold(uint256 _voteWeight) external view virtual returns (bool) {
    return _voteWeight * DENOMINATOR_SLOT.load() >= NUMERATOR_SLOT.mul(TOTAL_WEIGHTS_SLOT.load());
  }

  /**
   * @dev Internal function to add bridge operators.
   *
   * This function adds the specified `bridgeOperators` to the bridge operator set and establishes the associated mappings.
   *
   * Requirements:
   * - The caller must have the necessary permission to add bridge operators.
   * - The lengths of `voteWeights`, `governors`, and `bridgeOperators` arrays must be equal.
   *
   * @param voteWeights An array of uint256 values representing the vote weights for each bridge operator.
   * @param governors An array of addresses representing the governors for each bridge operator.
   * @return addeds An array of boolean values indicating whether each bridge operator was successfully added.
   */
  function _addBridgeOperators(
    uint96[] memory voteWeights,
    address[] memory governors,
    address[] memory bridgeOperators
  ) internal nonDuplicate(governors.extend(bridgeOperators)) returns (bool[] memory addeds) {
    uint256 length = bridgeOperators.length;
    if (!(length == voteWeights.length && length == governors.length)) revert ErrLengthMismatch(msg.sig);
    addeds = new bool[](length);
    // simply skip add operations if inputs are empty.
    if (length == 0) return addeds;

    EnumerableSet.AddressSet storage _governorSet = _getGovernorsSet();
    mapping(address => address) storage _governorOf = _getGovernorOf();
    EnumerableSet.AddressSet storage _bridgeOperatorSet = _getBridgeOperatorSet();
    mapping(address => BridgeOperatorInfo) storage _governorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();

    address governor;
    address bridgeOperator;
    uint256 accumulatedWeight;
    BridgeOperatorInfo memory bridgeOperatorInfo;

    for (uint256 i; i < length; ) {
      governor = governors[i];
      bridgeOperator = bridgeOperators[i];

      _requireNonZeroAddress(governor);
      _requireNonZeroAddress(bridgeOperator);
      if (voteWeights[i] == 0) revert ErrInvalidVoteWeight(msg.sig);

      addeds[i] = !(_governorSet.contains(governor) ||
        _governorSet.contains(bridgeOperator) ||
        _bridgeOperatorSet.contains(governor) ||
        _bridgeOperatorSet.contains(bridgeOperator));

      if (addeds[i]) {
        _governorSet.add(governor);
        _bridgeOperatorSet.add(bridgeOperator);
        _governorOf[bridgeOperator] = governor;
        bridgeOperatorInfo.addr = bridgeOperator;
        accumulatedWeight += bridgeOperatorInfo.voteWeight = voteWeights[i];
        _governorToBridgeOperatorInfo[governor] = bridgeOperatorInfo;
      }

      unchecked {
        ++i;
      }
    }

    TOTAL_WEIGHTS_SLOT.addAssign(accumulatedWeight);

    _notifyRegisters(IBridgeManagerCallback.onBridgeOperatorsAdded.selector, abi.encode(bridgeOperators, addeds));

    emit BridgeOperatorsAdded(addeds, voteWeights, governors, bridgeOperators);
  }

  /**
   * @dev Internal function to remove bridge operators.
   *
   * This function removes the specified `bridgeOperators` from the bridge operator set and related mappings.
   *
   * Requirements:
   * - The caller must have the necessary permission to remove bridge operators.
   *
   * @param bridgeOperators An array of addresses representing the bridge operators to be removed.
   * @return removeds An array of boolean values indicating whether each bridge operator was successfully removed.
   */
  function _removeBridgeOperators(
    address[] memory bridgeOperators
  ) internal nonDuplicate(bridgeOperators) returns (bool[] memory removeds) {
    uint256 length = bridgeOperators.length;
    removeds = new bool[](length);
    // simply skip remove operations if inputs are empty.
    if (length == 0) return removeds;

    mapping(address => address) storage _governorOf = _getGovernorOf();
    EnumerableSet.AddressSet storage _governorSet = _getGovernorsSet();
    EnumerableSet.AddressSet storage _bridgeOperatorSet = _getBridgeOperatorSet();
    mapping(address => BridgeOperatorInfo) storage _governorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();

    address governor;
    address bridgeOperator;
    uint256 accumulatedWeight;
    BridgeOperatorInfo memory bridgeOperatorInfo;

    for (uint256 i; i < length; ) {
      bridgeOperator = bridgeOperators[i];
      governor = _governorOf[bridgeOperator];

      _requireNonZeroAddress(governor);
      _requireNonZeroAddress(bridgeOperator);

      bridgeOperatorInfo = _governorToBridgeOperatorInfo[governor];
      if (bridgeOperatorInfo.addr != bridgeOperator) revert ErrInvalidArguments(msg.sig);

      removeds[i] = _bridgeOperatorSet.contains(bridgeOperator) && _governorSet.contains(governor);
      if (removeds[i]) {
        _governorSet.remove(governor);
        _bridgeOperatorSet.remove(bridgeOperator);

        delete _governorOf[bridgeOperator];
        delete _governorToBridgeOperatorInfo[governor];
        accumulatedWeight += bridgeOperatorInfo.voteWeight;
      }

      unchecked {
        ++i;
      }
    }

    TOTAL_WEIGHTS_SLOT.subAssign(accumulatedWeight);

    _notifyRegisters(IBridgeManagerCallback.onBridgeOperatorsRemoved.selector, abi.encode(bridgeOperators, removeds));

    emit BridgeOperatorsRemoved(removeds, bridgeOperators);
  }

  /**
   * @dev Sets threshold and returns the old one.
   *
   * Emits the `ThresholdUpdated` event.
   *
   */
  function _setThreshold(
    uint256 numerator,
    uint256 denominator
  ) internal virtual returns (uint256 previousNum, uint256 previousDenom) {
    if (numerator > denominator) revert ErrInvalidThreshold(msg.sig);

    previousNum = NUMERATOR_SLOT.load();
    previousDenom = DENOMINATOR_SLOT.load();
    NUMERATOR_SLOT.store(numerator);
    DENOMINATOR_SLOT.store(denominator);

    emit ThresholdUpdated(NONCE_SLOT.postIncrement(), numerator, denominator, previousNum, previousDenom);
  }

  /**
   * @dev Internal function to get all bridge operators.
   * @return bridgeOperators An array containing all the registered bridge operator addresses.
   */
  function _getBridgeOperators() internal view returns (address[] memory) {
    return _getBridgeOperatorSet().values();
  }

  /**
   * @dev Internal function to get all governors.
   * @return governors An array containing all the registered governor addresses.
   */
  function _getGovernors() internal view returns (address[] memory) {
    return _getGovernorsSet().values();
  }

  /**
   * @dev Internal function to get the vote weights of a given array of governors.
   * @param governors An array containing the addresses of governors.
   * @return weights An array containing the vote weights of the corresponding governors.
   */
  function _getGovernorWeights(address[] memory governors) internal view returns (uint96[] memory weights) {
    uint256 length = governors.length;
    weights = new uint96[](length);
    mapping(address => BridgeOperatorInfo) storage _governorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();
    for (uint256 i; i < length; ) {
      weights[i] = _governorToBridgeOperatorInfo[governors[i]].voteWeight;
      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Internal function to calculate the sum of vote weights for a given array of governors.
   * @param governors An array containing the addresses of governors to calculate the sum of vote weights.
   * @return sum The total sum of vote weights for the provided governors.
   * @notice The input array `governors` must contain unique addresses to avoid duplicate calculations.
   */
  function _sumGovernorsWeight(address[] memory governors) internal view nonDuplicate(governors) returns (uint256 sum) {
    mapping(address => BridgeOperatorInfo) storage _governorToBridgeOperatorInfo = _getGovernorToBridgeOperatorInfo();

    for (uint256 i; i < governors.length; ) {
      sum += _governorToBridgeOperatorInfo[governors[i]].voteWeight;

      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Internal function to require that the caller has governor role access.
   * @param addr The address to check for governor role access.
   * @dev If the address does not have governor role access (vote weight is zero), a revert with the corresponding error message is triggered.
   */
  function _requireGovernor(address addr) internal view {
    if (_getGovernorWeight(addr) == 0) {
      revert ErrUnauthorized(msg.sig, RoleAccess.GOVERNOR);
    }
  }

  /**
   * @dev Internal function to retrieve the vote weight of a specific governor.
   * @param governor The address of the governor to get the vote weight for.
   * @return voteWeight The vote weight of the specified governor.
   */
  function _getGovernorWeight(address governor) internal view returns (uint96) {
    return _getGovernorToBridgeOperatorInfo()[governor].voteWeight;
  }

  /**
   * @dev Internal function to access the address set of bridge operators.
   * @return bridgeOperators the storage address set.
   */
  function _getBridgeOperatorSet() internal pure returns (EnumerableSet.AddressSet storage bridgeOperators) {
    assembly ("memory-safe") {
      bridgeOperators.slot := BRIDGE_OPERATOR_SET_SLOT
    }
  }

  /**
   * @dev Internal function to access the address set of bridge operators.
   * @return governors the storage address set.
   */
  function _getGovernorsSet() internal pure returns (EnumerableSet.AddressSet storage governors) {
    assembly ("memory-safe") {
      governors.slot := GOVERNOR_SET_SLOT
    }
  }

  /**
   * @dev Internal function to access the mapping from governor => BridgeOperatorInfo.
   * @return governorToBridgeOperatorInfo the mapping from governor => BridgeOperatorInfo.
   */
  function _getGovernorToBridgeOperatorInfo()
    internal
    pure
    returns (mapping(address => BridgeOperatorInfo) storage governorToBridgeOperatorInfo)
  {
    assembly ("memory-safe") {
      governorToBridgeOperatorInfo.slot := GOVERNOR_TO_BRIDGE_OPERATOR_INFO_SLOT
    }
  }

  /**
   * @dev Internal function to access the mapping from bridge operator => governor.
   * @return governorOf the mapping from bridge operator => governor.
   */
  function _getGovernorOf() internal pure returns (mapping(address => address) storage governorOf) {
    assembly ("memory-safe") {
      governorOf.slot := GOVENOR_OF_SLOT
    }
  }
}

File 16 of 42 : BridgeManagerCallbackRegister.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import { IBridgeManagerCallbackRegister } from "../../interfaces/bridge/IBridgeManagerCallbackRegister.sol";
import { IBridgeManagerCallback } from "../../interfaces/bridge/IBridgeManagerCallback.sol";
import { TransparentUpgradeableProxyV2, IdentityGuard } from "../../utils/IdentityGuard.sol";

/**
 * @title BridgeManagerCallbackRegister
 * @dev A contract that manages callback registrations and execution for a bridge.
 */
abstract contract BridgeManagerCallbackRegister is IdentityGuard, IBridgeManagerCallbackRegister {
  using EnumerableSet for EnumerableSet.AddressSet;

  /**
   * @dev Storage slot for the address set of callback registers.
   * @dev Value is equal to keccak256("@ronin.dpos.gateway.BridgeAdmin.callbackRegisters.slot") - 1.
   */
  bytes32 private constant CALLBACK_REGISTERS_SLOT = 0x5da136eb38f8d8e354915fc8a767c0dc81d49de5fb65d5477122a82ddd976240;

  constructor(address[] memory callbackRegisters) payable {
    _registerCallbacks(callbackRegisters);
  }

  /**
   * @inheritdoc IBridgeManagerCallbackRegister
   */
  function registerCallbacks(address[] calldata registers) external onlySelfCall returns (bool[] memory registereds) {
    registereds = _registerCallbacks(registers);
  }

  /**
   * @inheritdoc IBridgeManagerCallbackRegister
   */
  function unregisterCallbacks(
    address[] calldata registers
  ) external onlySelfCall returns (bool[] memory unregistereds) {
    unregistereds = _unregisterCallbacks(registers);
  }

  /**
   * @inheritdoc IBridgeManagerCallbackRegister
   */
  function getCallbackRegisters() external view returns (address[] memory registers) {
    registers = _getCallbackRegisters().values();
  }

  /**
   * @dev Internal function to register multiple callbacks with the bridge.
   * @param registers The array of callback addresses to register.
   * @return registereds An array indicating the success status of each registration.
   */
  function _registerCallbacks(
    address[] memory registers
  ) internal nonDuplicate(registers) returns (bool[] memory registereds) {
    uint256 length = registers.length;
    registereds = new bool[](length);
    if (length == 0) return registereds;

    EnumerableSet.AddressSet storage _callbackRegisters = _getCallbackRegisters();
    address register;
    bytes4 callbackInterface = type(IBridgeManagerCallback).interfaceId;

    for (uint256 i; i < length; ) {
      register = registers[i];

      _requireHasCode(register);
      _requireSupportsInterface(register, callbackInterface);

      registereds[i] = _callbackRegisters.add(register);

      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Internal function to unregister multiple callbacks from the bridge.
   * @param registers The array of callback addresses to unregister.
   * @return unregistereds An array indicating the success status of each unregistration.
   */
  function _unregisterCallbacks(
    address[] memory registers
  ) internal nonDuplicate(registers) returns (bool[] memory unregistereds) {
    uint256 length = registers.length;
    unregistereds = new bool[](length);
    EnumerableSet.AddressSet storage _callbackRegisters = _getCallbackRegisters();

    for (uint256 i; i < length; ) {
      unregistereds[i] = _callbackRegisters.remove(registers[i]);

      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Internal function to notify all registered callbacks with the provided function signature and data.
   * @param callbackFnSig The function signature of the callback method.
   * @param inputs The data to pass to the callback method.
   */
  function _notifyRegisters(bytes4 callbackFnSig, bytes memory inputs) internal {
    address[] memory registers = _getCallbackRegisters().values();
    uint256 length = registers.length;
    if (length == 0) return;

    bool[] memory successes = new bool[](length);
    bytes[] memory returnDatas = new bytes[](length);
    bytes memory callData = abi.encodePacked(callbackFnSig, inputs);
    bytes memory proxyCallData = abi.encodeCall(TransparentUpgradeableProxyV2.functionDelegateCall, (callData));

    for (uint256 i; i < length; ) {
      (successes[i], returnDatas[i]) = registers[i].call(callData);
      if (!successes[i]) {
        (successes[i], returnDatas[i]) = registers[i].call(proxyCallData);
      }

      unchecked {
        ++i;
      }
    }

    emit Notified(callData, registers, successes, returnDatas);
  }

  /**
   * @dev Internal function to retrieve the address set of callback registers.
   * @return callbackRegisters The storage reference to the callback registers.
   */
  function _getCallbackRegisters() internal pure returns (EnumerableSet.AddressSet storage callbackRegisters) {
    assembly ("memory-safe") {
      callbackRegisters.slot := CALLBACK_REGISTERS_SLOT
    }
  }
}

File 17 of 42 : HasContracts.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { HasProxyAdmin } from "./HasProxyAdmin.sol";
import "../../interfaces/collections/IHasContracts.sol";
import { IdentityGuard } from "../../utils/IdentityGuard.sol";
import { ErrUnexpectedInternalCall } from "../../utils/CommonErrors.sol";

/**
 * @title HasContracts
 * @dev A contract that provides functionality to manage multiple contracts with different roles.
 */
abstract contract HasContracts is HasProxyAdmin, IHasContracts, IdentityGuard {
  /// @dev value is equal to keccak256("@ronin.dpos.collections.HasContracts.slot") - 1
  bytes32 private constant _STORAGE_SLOT = 0xdea3103d22025c269050bea94c0c84688877f12fa22b7e6d2d5d78a9a49aa1cb;

  /**
   * @dev Modifier to restrict access to functions only to contracts with a specific role.
   * @param contractType The contract type that allowed to call
   */
  modifier onlyContract(ContractType contractType) virtual {
    _requireContract(contractType);
    _;
  }

  /**
   * @inheritdoc IHasContracts
   */
  function setContract(ContractType contractType, address addr) external virtual onlyAdmin {
    _requireHasCode(addr);
    _setContract(contractType, addr);
  }

  /**
   * @inheritdoc IHasContracts
   */
  function getContract(ContractType contractType) public view returns (address contract_) {
    contract_ = _getContractMap()[uint8(contractType)];
    if (contract_ == address(0)) revert ErrContractTypeNotFound(contractType);
  }

  /**
   * @dev Internal function to set the address of a contract with a specific role.
   * @param contractType The contract type of the contract to set.
   * @param addr The address of the contract to set.
   */
  function _setContract(ContractType contractType, address addr) internal virtual {
    _getContractMap()[uint8(contractType)] = addr;
    emit ContractUpdated(contractType, addr);
  }

  /**
   * @dev Internal function to access the mapping of contract addresses with roles.
   * @return contracts_ The mapping of contract addresses with roles.
   */
  function _getContractMap() private pure returns (mapping(uint8 => address) storage contracts_) {
    assembly {
      contracts_.slot := _STORAGE_SLOT
    }
  }

  /**
   * @dev Internal function to check if the calling contract has a specific role.
   * @param contractType The contract type that the calling contract must have.
   * @dev Throws an error if the calling contract does not have the specified role.
   */
  function _requireContract(ContractType contractType) private view {
    if (msg.sender != getContract(contractType)) {
      revert ErrUnexpectedInternalCall(msg.sig, contractType, msg.sender);
    }
  }
}

File 18 of 42 : HasProxyAdmin.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/StorageSlot.sol";
import "../../utils/CommonErrors.sol";

abstract contract HasProxyAdmin {
  // bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
  bytes32 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

  modifier onlyAdmin() {
    _requireAdmin();
    _;
  }

  /**
   * @dev Returns proxy admin.
   */
  function _getAdmin() internal view virtual returns (address) {
    return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
  }

  function _requireAdmin() internal view {
    if (msg.sender != _getAdmin()) revert ErrUnauthorized(msg.sig, RoleAccess.ADMIN);
  }
}

File 19 of 42 : CoreGovernance.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../../libraries/Proposal.sol";
import "../../libraries/GlobalProposal.sol";
import "../../utils/CommonErrors.sol";
import "../../libraries/Ballot.sol";
import "../../interfaces/consumers/ChainTypeConsumer.sol";
import "../../interfaces/consumers/SignatureConsumer.sol";
import "../../interfaces/consumers/VoteStatusConsumer.sol";

abstract contract CoreGovernance is SignatureConsumer, VoteStatusConsumer, ChainTypeConsumer {
  using Proposal for Proposal.ProposalDetail;

  /**
   * @dev Error thrown when attempting to interact with a finalized vote.
   */
  error ErrVoteIsFinalized();

  /**
   * @dev Error thrown when the current proposal is not completed.
   */
  error ErrCurrentProposalIsNotCompleted();

  struct ProposalVote {
    VoteStatus status;
    bytes32 hash;
    uint256 againstVoteWeight; // Total weight of against votes
    uint256 forVoteWeight; // Total weight of for votes
    address[] forVoteds; // Array of addresses voting for
    address[] againstVoteds; // Array of addresses voting against
    uint256 expiryTimestamp;
    mapping(address => Signature) sig;
    mapping(address => bool) voted;
  }

  /// @dev Emitted when a proposal is created
  event ProposalCreated(
    uint256 indexed chainId,
    uint256 indexed round,
    bytes32 indexed proposalHash,
    Proposal.ProposalDetail proposal,
    address creator
  );
  /// @dev Emitted when the proposal is voted
  event ProposalVoted(bytes32 indexed proposalHash, address indexed voter, Ballot.VoteType support, uint256 weight);
  /// @dev Emitted when the proposal is approved
  event ProposalApproved(bytes32 indexed proposalHash);
  /// @dev Emitted when the vote is reject
  event ProposalRejected(bytes32 indexed proposalHash);
  /// @dev Emitted when the vote is expired
  event ProposalExpired(bytes32 indexed proposalHash);
  /// @dev Emitted when the proposal is executed
  event ProposalExecuted(bytes32 indexed proposalHash, bool[] successCalls, bytes[] returnDatas);
  /// @dev Emitted when the proposal expiry duration is changed.
  event ProposalExpiryDurationChanged(uint256 indexed duration);

  /// @dev Mapping from chain id => vote round
  /// @notice chain id = 0 for global proposal
  mapping(uint256 => uint256) public round;
  /// @dev Mapping from chain id => vote round => proposal vote
  mapping(uint256 => mapping(uint256 => ProposalVote)) public vote;

  uint256 internal _proposalExpiryDuration;

  constructor(uint256 _expiryDuration) {
    _setProposalExpiryDuration(_expiryDuration);
  }

  /**
   * @dev Creates new voting round by calculating the `_round` number of chain `_chainId`.
   * Increases the `_round` number if the previous one is not expired. Delete the previous proposal
   * if it is expired and not increase the `_round`.
   */
  function _createVotingRound(uint256 _chainId) internal returns (uint256 _round) {
    _round = round[_chainId];
    // Skip checking for the first ever round
    if (_round == 0) {
      _round = round[_chainId] = 1;
    } else {
      ProposalVote storage _latestProposalVote = vote[_chainId][_round];
      bool _isExpired = _tryDeleteExpiredVotingRound(_latestProposalVote);
      // Skip increasing round number if the latest round is expired, allow the vote to be overridden
      if (!_isExpired) {
        if (_latestProposalVote.status == VoteStatus.Pending) revert ErrCurrentProposalIsNotCompleted();
        unchecked {
          _round = ++round[_chainId];
        }
      }
    }
  }

  /**
   * @dev Saves new round voting for the proposal `_proposalHash` of chain `_chainId`.
   */
  function _saveVotingRound(ProposalVote storage _vote, bytes32 _proposalHash, uint256 _expiryTimestamp) internal {
    _vote.hash = _proposalHash;
    _vote.expiryTimestamp = _expiryTimestamp;
  }

  /**
   * @dev Proposes for a new proposal.
   *
   * Requirements:
   * - The chain id is not equal to 0.
   *
   * Emits the `ProposalCreated` event.
   *
   */
  function _proposeProposal(
    uint256 chainId,
    uint256 expiryTimestamp,
    address[] memory targets,
    uint256[] memory values,
    bytes[] memory calldatas,
    uint256[] memory gasAmounts,
    address creator
  ) internal virtual returns (Proposal.ProposalDetail memory proposal) {
    if (chainId == 0) revert ErrInvalidChainId(msg.sig, 0, block.chainid);
    uint256 round_ = _createVotingRound(chainId);

    proposal = Proposal.ProposalDetail(round_, chainId, expiryTimestamp, targets, values, calldatas, gasAmounts);
    proposal.validate(_proposalExpiryDuration);

    bytes32 proposalHash = proposal.hash();
    _saveVotingRound(vote[chainId][round_], proposalHash, expiryTimestamp);
    emit ProposalCreated(chainId, round_, proposalHash, proposal, creator);
  }

  /**
   * @dev Proposes proposal struct.
   *
   * Requirements:
   * - The chain id is not equal to 0.
   * - The proposal nonce is equal to the new round.
   *
   * Emits the `ProposalCreated` event.
   *
   */
  function _proposeProposalStruct(
    Proposal.ProposalDetail memory proposal,
    address creator
  ) internal virtual returns (uint256 round_) {
    uint256 chainId = proposal.chainId;
    if (chainId == 0) revert ErrInvalidChainId(msg.sig, 0, block.chainid);
    proposal.validate(_proposalExpiryDuration);

    bytes32 proposalHash = proposal.hash();
    round_ = _createVotingRound(chainId);
    _saveVotingRound(vote[chainId][round_], proposalHash, proposal.expiryTimestamp);
    if (round_ != proposal.nonce) revert ErrInvalidProposalNonce(msg.sig);
    emit ProposalCreated(chainId, round_, proposalHash, proposal, creator);
  }

  /**
   * @dev Casts vote for the proposal with data and returns whether the voting is done.
   *
   * Requirements:
   * - The proposal nonce is equal to the round.
   * - The vote is not finalized.
   * - The voter has not voted for the round.
   *
   * Emits the `ProposalVoted` event. Emits the `ProposalApproved`, `ProposalExecuted` or `ProposalRejected` once the
   * proposal is approved, executed or rejected.
   *
   */
  function _castVote(
    Proposal.ProposalDetail memory proposal,
    Ballot.VoteType support,
    uint256 minimumForVoteWeight,
    uint256 minimumAgainstVoteWeight,
    address voter,
    Signature memory signature,
    uint256 voterWeight
  ) internal virtual returns (bool done) {
    uint256 chainId = proposal.chainId;
    uint256 round_ = proposal.nonce;
    ProposalVote storage _vote = vote[chainId][round_];

    if (_tryDeleteExpiredVotingRound(_vote)) {
      return true;
    }

    if (round[proposal.chainId] != round_) revert ErrInvalidProposalNonce(msg.sig);
    if (_vote.status != VoteStatus.Pending) revert ErrVoteIsFinalized();
    if (_voted(_vote, voter)) revert ErrAlreadyVoted(voter);

    _vote.voted[voter] = true;
    // Stores the signature if it is not empty
    if (signature.r > 0 || signature.s > 0 || signature.v > 0) {
      _vote.sig[voter] = signature;
    }
    emit ProposalVoted(_vote.hash, voter, support, voterWeight);

    uint256 _forVoteWeight;
    uint256 _againstVoteWeight;
    if (support == Ballot.VoteType.For) {
      _vote.forVoteds.push(voter);
      _forVoteWeight = _vote.forVoteWeight += voterWeight;
    } else if (support == Ballot.VoteType.Against) {
      _vote.againstVoteds.push(voter);
      _againstVoteWeight = _vote.againstVoteWeight += voterWeight;
    } else revert ErrUnsupportedVoteType(msg.sig);

    if (_forVoteWeight >= minimumForVoteWeight) {
      done = true;
      _vote.status = VoteStatus.Approved;
      emit ProposalApproved(_vote.hash);
      _tryExecute(_vote, proposal);
    } else if (_againstVoteWeight >= minimumAgainstVoteWeight) {
      done = true;
      _vote.status = VoteStatus.Rejected;
      emit ProposalRejected(_vote.hash);
    }
  }

  /**
   * @dev When the contract is on Ronin chain, checks whether the proposal is expired and delete it if is expired.
   *
   * Emits the event `ProposalExpired` if the vote is expired.
   *
   * Note: This function assumes the vote `_proposalVote` is already created, consider verifying the vote's existence
   * before or it will emit an unexpected event of `ProposalExpired`.
   */
  function _tryDeleteExpiredVotingRound(ProposalVote storage proposalVote) internal returns (bool isExpired) {
    isExpired =
      _getChainType() == ChainType.RoninChain &&
      proposalVote.status == VoteStatus.Pending &&
      proposalVote.expiryTimestamp <= block.timestamp;

    if (isExpired) {
      emit ProposalExpired(proposalVote.hash);

      for (uint256 _i; _i < proposalVote.forVoteds.length; ) {
        delete proposalVote.voted[proposalVote.forVoteds[_i]];
        delete proposalVote.sig[proposalVote.forVoteds[_i]];

        unchecked {
          ++_i;
        }
      }
      for (uint256 _i; _i < proposalVote.againstVoteds.length; ) {
        delete proposalVote.voted[proposalVote.againstVoteds[_i]];
        delete proposalVote.sig[proposalVote.againstVoteds[_i]];

        unchecked {
          ++_i;
        }
      }
      delete proposalVote.status;
      delete proposalVote.hash;
      delete proposalVote.againstVoteWeight;
      delete proposalVote.forVoteWeight;
      delete proposalVote.forVoteds;
      delete proposalVote.againstVoteds;
      delete proposalVote.expiryTimestamp;
    }
  }

  /**
   * @dev Executes the proposal and update the vote status once the proposal is executable.
   */
  function _tryExecute(ProposalVote storage vote_, Proposal.ProposalDetail memory proposal) internal {
    if (proposal.executable()) {
      vote_.status = VoteStatus.Executed;
      (bool[] memory _successCalls, bytes[] memory _returnDatas) = proposal.execute();
      emit ProposalExecuted(vote_.hash, _successCalls, _returnDatas);
    }
  }

  /**
   * @dev Sets the expiry duration for a new proposal.
   */
  function _setProposalExpiryDuration(uint256 expiryDuration) internal {
    _proposalExpiryDuration = expiryDuration;
    emit ProposalExpiryDurationChanged(expiryDuration);
  }

  /**
   * @dev Returns the expiry duration for a new proposal.
   */
  function _getProposalExpiryDuration() internal view returns (uint256) {
    return _proposalExpiryDuration;
  }

  /**
   * @dev Returns whether the voter casted for the proposal.
   */
  function _voted(ProposalVote storage vote_, address voter) internal view returns (bool) {
    return vote_.voted[voter];
  }

  /**
   * @dev Returns total weight from validators.
   */
  function _getTotalWeight() internal view virtual returns (uint256);

  /**
   * @dev Returns minimum vote to pass a proposal.
   */
  function _getMinimumVoteWeight() internal view virtual returns (uint256);

  /**
   * @dev Returns current context is running on whether Ronin chain or on mainchain.
   */
  function _getChainType() internal view virtual returns (ChainType);
}

File 20 of 42 : GlobalCoreGovernance.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../../libraries/Proposal.sol";
import "../../libraries/GlobalProposal.sol";
import "./CoreGovernance.sol";

abstract contract GlobalCoreGovernance is CoreGovernance {
  using Proposal for Proposal.ProposalDetail;
  using GlobalProposal for GlobalProposal.GlobalProposalDetail;

  mapping(GlobalProposal.TargetOption => address) internal _targetOptionsMap;

  /// @dev Emitted when a proposal is created
  event GlobalProposalCreated(
    uint256 indexed round,
    bytes32 indexed proposalHash,
    Proposal.ProposalDetail proposal,
    bytes32 globalProposalHash,
    GlobalProposal.GlobalProposalDetail globalProposal,
    address creator
  );

  /// @dev Emitted when the target options are updated
  event TargetOptionUpdated(GlobalProposal.TargetOption indexed targetOption, address indexed addr);

  constructor(GlobalProposal.TargetOption[] memory targetOptions, address[] memory addrs) {
    _updateTargetOption(GlobalProposal.TargetOption.BridgeManager, address(this));
    _updateManyTargetOption(targetOptions, addrs);
  }

  /**
   * @dev Proposes for a global proposal.
   *
   * Emits the `GlobalProposalCreated` event.
   *
   */
  function _proposeGlobal(
    uint256 expiryTimestamp,
    GlobalProposal.TargetOption[] calldata targetOptions,
    uint256[] memory values,
    bytes[] memory calldatas,
    uint256[] memory gasAmounts,
    address creator
  ) internal virtual {
    uint256 round_ = _createVotingRound(0);
    GlobalProposal.GlobalProposalDetail memory globalProposal = GlobalProposal.GlobalProposalDetail(
      round_,
      expiryTimestamp,
      targetOptions,
      values,
      calldatas,
      gasAmounts
    );
    Proposal.ProposalDetail memory proposal = globalProposal.intoProposalDetail(
      _resolveTargets({ targetOptions: targetOptions, strict: true })
    );
    proposal.validate(_proposalExpiryDuration);

    bytes32 proposalHash = proposal.hash();
    _saveVotingRound(vote[0][round_], proposalHash, expiryTimestamp);
    emit GlobalProposalCreated(round_, proposalHash, proposal, globalProposal.hash(), globalProposal, creator);
  }

  /**
   * @dev Proposes global proposal struct.
   *
   * Requirements:
   * - The proposal nonce is equal to the new round.
   *
   * Emits the `GlobalProposalCreated` event.
   *
   */
  function _proposeGlobalStruct(
    GlobalProposal.GlobalProposalDetail memory globalProposal,
    address creator
  ) internal virtual returns (Proposal.ProposalDetail memory proposal) {
    proposal = globalProposal.intoProposalDetail(
      _resolveTargets({ targetOptions: globalProposal.targetOptions, strict: true })
    );
    proposal.validate(_proposalExpiryDuration);

    bytes32 proposalHash = proposal.hash();
    uint256 round_ = _createVotingRound(0);
    _saveVotingRound(vote[0][round_], proposalHash, globalProposal.expiryTimestamp);

    if (round_ != proposal.nonce) revert ErrInvalidProposalNonce(msg.sig);
    emit GlobalProposalCreated(round_, proposalHash, proposal, globalProposal.hash(), globalProposal, creator);
  }

  /**
   * @dev Returns corresponding address of target options. Return address(0) on non-existent target.
   */
  function resolveTargets(
    GlobalProposal.TargetOption[] calldata targetOptions
  ) external view returns (address[] memory targets) {
    return _resolveTargets({ targetOptions: targetOptions, strict: false });
  }

  /**
   * @dev Internal helper of {resolveTargets}.
   *
   * @param strict When the param is set to `true`, revert on non-existent target.
   */
  function _resolveTargets(
    GlobalProposal.TargetOption[] memory targetOptions,
    bool strict
  ) internal view returns (address[] memory targets) {
    targets = new address[](targetOptions.length);

    for (uint256 i; i < targetOptions.length; ) {
      targets[i] = _targetOptionsMap[targetOptions[i]];
      if (strict && targets[i] == address(0)) revert ErrInvalidArguments(msg.sig);
      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Updates list of `targetOptions` to `targets`.
   *
   * Requirement:
   * - Only allow self-call through proposal.
   * */
  function updateManyTargetOption(
    GlobalProposal.TargetOption[] memory targetOptions,
    address[] memory targets
  ) external {
    // HACK: Cannot reuse the existing library due to too deep stack
    if (msg.sender != address(this)) revert ErrOnlySelfCall(msg.sig);
    _updateManyTargetOption(targetOptions, targets);
  }

  /**
   * @dev Updates list of `targetOptions` to `targets`.
   */
  function _updateManyTargetOption(
    GlobalProposal.TargetOption[] memory targetOptions,
    address[] memory targets
  ) internal {
    for (uint256 i; i < targetOptions.length; ) {
      if (targets[i] == address(this)) revert ErrInvalidArguments(msg.sig);
      _updateTargetOption(targetOptions[i], targets[i]);
      unchecked {
        ++i;
      }
    }
  }

  /**
   * @dev Updates `targetOption` to `target`.
   *
   * Requirement:
   * - Emit a `TargetOptionUpdated` event.
   */
  function _updateTargetOption(GlobalProposal.TargetOption targetOption, address target) internal {
    _targetOptionsMap[targetOption] = target;
    emit TargetOptionUpdated(targetOption, target);
  }
}

File 21 of 42 : CommonGovernanceRelay.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../CoreGovernance.sol";

abstract contract CommonGovernanceRelay is CoreGovernance {
  using Proposal for Proposal.ProposalDetail;
  using GlobalProposal for GlobalProposal.GlobalProposalDetail;

  /**
   * @dev Relays votes by signatures.
   *
   * @notice Does not store the voter signature into storage.
   *
   */
  function _relayVotesBySignatures(
    Proposal.ProposalDetail memory _proposal,
    Ballot.VoteType[] calldata _supports,
    Signature[] calldata _signatures,
    bytes32 _forDigest,
    bytes32 _againstDigest
  ) internal {
    if (!(_supports.length > 0 && _supports.length == _signatures.length)) revert ErrLengthMismatch(msg.sig);

    uint256 _forVoteCount;
    uint256 _againstVoteCount;
    address[] memory _forVoteSigners = new address[](_signatures.length);
    address[] memory _againstVoteSigners = new address[](_signatures.length);

    {
      address _signer;
      address _lastSigner;
      Ballot.VoteType _support;
      Signature calldata _sig;

      for (uint256 _i; _i < _signatures.length; ) {
        _sig = _signatures[_i];
        _support = _supports[_i];

        if (_support == Ballot.VoteType.For) {
          _signer = ECDSA.recover(_forDigest, _sig.v, _sig.r, _sig.s);
          _forVoteSigners[_forVoteCount++] = _signer;
        } else if (_support == Ballot.VoteType.Against) {
          _signer = ECDSA.recover(_againstDigest, _sig.v, _sig.r, _sig.s);
          _againstVoteSigners[_againstVoteCount++] = _signer;
        } else revert ErrUnsupportedVoteType(msg.sig);

        if (_lastSigner >= _signer) revert ErrInvalidOrder(msg.sig);
        _lastSigner = _signer;

        unchecked {
          ++_i;
        }
      }
    }

    assembly {
      mstore(_forVoteSigners, _forVoteCount)
      mstore(_againstVoteSigners, _againstVoteCount)
    }

    ProposalVote storage _vote = vote[_proposal.chainId][_proposal.nonce];
    uint256 _minimumForVoteWeight = _getMinimumVoteWeight();
    uint256 _totalForVoteWeight = _sumWeight(_forVoteSigners);
    if (_totalForVoteWeight >= _minimumForVoteWeight) {
      if (_totalForVoteWeight == 0) revert ErrInvalidVoteWeight(msg.sig);
      _vote.status = VoteStatus.Approved;
      emit ProposalApproved(_vote.hash);
      _tryExecute(_vote, _proposal);
      return;
    }

    uint256 _minimumAgainstVoteWeight = _getTotalWeight() - _minimumForVoteWeight + 1;
    uint256 _totalAgainstVoteWeight = _sumWeight(_againstVoteSigners);
    if (_totalAgainstVoteWeight >= _minimumAgainstVoteWeight) {
      if (_totalAgainstVoteWeight == 0) revert ErrInvalidVoteWeight(msg.sig);
      _vote.status = VoteStatus.Rejected;
      emit ProposalRejected(_vote.hash);
      return;
    }

    revert ErrRelayFailed(msg.sig);
  }

  /**
   * @dev Returns the weight of the governor list.
   */
  function _sumWeight(address[] memory _governors) internal view virtual returns (uint256);
}

File 22 of 42 : GlobalGovernanceRelay.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../GlobalCoreGovernance.sol";
import "./CommonGovernanceRelay.sol";

abstract contract GlobalGovernanceRelay is CommonGovernanceRelay, GlobalCoreGovernance {
  using GlobalProposal for GlobalProposal.GlobalProposalDetail;

  /**
   * @dev Returns whether the voter `_voter` casted vote for the proposal.
   */
  function globalProposalRelayed(uint256 _round) external view returns (bool) {
    return vote[0][_round].status != VoteStatus.Pending;
  }

  /**
   * @dev Relays voted global proposal.
   *
   * Requirements:
   * - The relay proposal is finalized.
   *
   */
  function _relayGlobalProposal(
    GlobalProposal.GlobalProposalDetail calldata globalProposal,
    Ballot.VoteType[] calldata supports_,
    Signature[] calldata signatures,
    bytes32 domainSeparator,
    address creator
  ) internal {
    Proposal.ProposalDetail memory _proposal = _proposeGlobalStruct(globalProposal, creator);
    bytes32 globalProposalHash = globalProposal.hash();
    _relayVotesBySignatures(
      _proposal,
      supports_,
      signatures,
      ECDSA.toTypedDataHash(domainSeparator, Ballot.hash(globalProposalHash, Ballot.VoteType.For)),
      ECDSA.toTypedDataHash(domainSeparator, Ballot.hash(globalProposalHash, Ballot.VoteType.Against))
    );
  }
}

File 23 of 42 : GovernanceRelay.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../CoreGovernance.sol";
import "./CommonGovernanceRelay.sol";

abstract contract GovernanceRelay is CoreGovernance, CommonGovernanceRelay {
  using Proposal for Proposal.ProposalDetail;
  using GlobalProposal for GlobalProposal.GlobalProposalDetail;

  /**
   * @dev Relays voted proposal.
   *
   * Requirements:
   * - The relay proposal is finalized.
   *
   */
  function _relayProposal(
    Proposal.ProposalDetail calldata _proposal,
    Ballot.VoteType[] calldata _supports,
    Signature[] calldata _signatures,
    bytes32 _domainSeparator,
    address _creator
  ) internal {
    _proposeProposalStruct(_proposal, _creator);
    bytes32 _proposalHash = _proposal.hash();
    _relayVotesBySignatures(
      _proposal,
      _supports,
      _signatures,
      ECDSA.toTypedDataHash(_domainSeparator, Ballot.hash(_proposalHash, Ballot.VoteType.For)),
      ECDSA.toTypedDataHash(_domainSeparator, Ballot.hash(_proposalHash, Ballot.VoteType.Against))
    );
  }
}

File 24 of 42 : IQuorum.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IQuorum {
  /// @dev Emitted when the threshold is updated
  event ThresholdUpdated(
    uint256 indexed nonce,
    uint256 indexed numerator,
    uint256 indexed denominator,
    uint256 previousNumerator,
    uint256 previousDenominator
  );

  /**
   * @dev Returns the threshold.
   */
  function getThreshold() external view returns (uint256 _num, uint256 _denom);

  /**
   * @dev Checks whether the `_voteWeight` passes the threshold.
   */
  function checkThreshold(uint256 _voteWeight) external view returns (bool);

  /**
   * @dev Returns the minimum vote weight to pass the threshold.
   */
  function minimumVoteWeight() external view returns (uint256);

  /**
   * @dev Sets the threshold.
   *
   * Requirements:
   * - The method caller is admin.
   *
   * Emits the `ThresholdUpdated` event.
   *
   */
  function setThreshold(
    uint256 _numerator,
    uint256 _denominator
  ) external returns (uint256 _previousNum, uint256 _previousDenom);
}

File 25 of 42 : IBridgeManager.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { IBridgeManagerEvents } from "./events/IBridgeManagerEvents.sol";

/**
 * @title IBridgeManager
 * @dev The interface for managing bridge operators.
 */
interface IBridgeManager is IBridgeManagerEvents {
  /**
   * @dev The domain separator used for computing hash digests in the contract.
   */
  function DOMAIN_SEPARATOR() external view returns (bytes32);

  /**
   * @dev Returns the total number of bridge operators.
   * @return The total number of bridge operators.
   */
  function totalBridgeOperator() external view returns (uint256);

  /**
   * @dev Checks if the given address is a bridge operator.
   * @param addr The address to check.
   * @return A boolean indicating whether the address is a bridge operator.
   */
  function isBridgeOperator(address addr) external view returns (bool);

  /**
   * @dev Retrieves the full information of all registered bridge operators.
   *
   * This external function allows external callers to obtain the full information of all the registered bridge operators.
   * The returned arrays include the addresses of governors, bridge operators, and their corresponding vote weights.
   *
   * @return governors An array of addresses representing the governors of each bridge operator.
   * @return bridgeOperators An array of addresses representing the registered bridge operators.
   * @return weights An array of uint256 values representing the vote weights of each bridge operator.
   *
   * Note: The length of each array will be the same, and the order of elements corresponds to the same bridge operator.
   *
   * Example Usage:
   * ```
   * (address[] memory governors, address[] memory bridgeOperators, uint256[] memory weights) = getFullBridgeOperatorInfos();
   * for (uint256 i = 0; i < bridgeOperators.length; i++) {
   *     // Access individual information for each bridge operator.
   *     address governor = governors[i];
   *     address bridgeOperator = bridgeOperators[i];
   *     uint256 weight = weights[i];
   *     // ... (Process or use the information as required) ...
   * }
   * ```
   *
   */
  function getFullBridgeOperatorInfos()
    external
    view
    returns (address[] memory governors, address[] memory bridgeOperators, uint96[] memory weights);

  /**
   * @dev Returns total weights of the governor list.
   */
  function sumGovernorsWeight(address[] calldata governors) external view returns (uint256 sum);

  /**
   * @dev Returns total weights.
   */
  function getTotalWeight() external view returns (uint256);

  /**
   * @dev Returns an array of all bridge operators.
   * @return An array containing the addresses of all bridge operators.
   */
  function getBridgeOperators() external view returns (address[] memory);

  /**
   * @dev Returns an array of bridge operators correspoding to governor addresses.
   * @return bridgeOperators_ An array containing the addresses of all bridge operators.
   */
  function getBridgeOperatorOf(address[] calldata gorvernors) external view returns (address[] memory bridgeOperators_);

  /**
   * @dev Retrieves the governors corresponding to a given array of bridge operators.
   * This external function allows external callers to obtain the governors associated with a given array of bridge operators.
   * The function takes an input array `bridgeOperators` containing bridge operator addresses and returns an array of corresponding governors.
   * @param bridgeOperators An array of bridge operator addresses for which governors are to be retrieved.
   * @return governors An array of addresses representing the governors corresponding to the provided bridge operators.
   */
  function getGovernorsOf(address[] calldata bridgeOperators) external view returns (address[] memory governors);

  /**
   * @dev External function to retrieve the vote weight of a specific governor.
   * @param governor The address of the governor to get the vote weight for.
   * @return voteWeight The vote weight of the specified governor.
   */
  function getGovernorWeight(address governor) external view returns (uint96);

  /**
   * @dev External function to retrieve the vote weight of a specific bridge operator.
   * @param bridgeOperator The address of the bridge operator to get the vote weight for.
   * @return weight The vote weight of the specified bridge operator.
   */
  function getBridgeOperatorWeight(address bridgeOperator) external view returns (uint96 weight);

  /**
   * @dev Returns the weights of a list of governor addresses.
   */
  function getGovernorWeights(address[] calldata governors) external view returns (uint96[] memory weights);

  /**
   * @dev Returns an array of all governors.
   * @return An array containing the addresses of all governors.
   */
  function getGovernors() external view returns (address[] memory);

  /**
   * @dev Adds multiple bridge operators.
   * @param governors An array of addresses of hot/cold wallets for bridge operator to update their node address.
   * @param bridgeOperators An array of addresses representing the bridge operators to add.
   * @return addeds An array of booleans indicating whether each bridge operator was added successfully.
   *
   * Note: return boolean array `addeds` indicates whether a group (voteWeight, governor, operator) are recorded.
   * It is expected that FE/BE staticcall to the function first to get the return values and handle it correctly.
   * Governors are expected to see the outcome of this function and decide if they want to vote for the proposal or not.
   *
   * Example Usage:
   * Making an `eth_call` in ethers.js
   * ```
   * const {addeds} = await bridgeManagerContract.callStatic.addBridgeOperators(
   *  voteWeights,
   *  governors,
   *  bridgeOperators,
   *  // overriding the caller to the contract itself since we use `onlySelfCall` guard
   *  {from: bridgeManagerContract.address}
   * )
   * const filteredOperators = bridgeOperators.filter((_, index) => addeds[index]);
   * const filteredWeights = weights.filter((_, index) => addeds[index]);
   * const filteredGovernors = governors.filter((_, index) => addeds[index]);
   * // ... (Process or use the information as required) ...
   * ```
   */
  function addBridgeOperators(
    uint96[] calldata voteWeights,
    address[] calldata governors,
    address[] calldata bridgeOperators
  ) external returns (bool[] memory addeds);

  /**
   * @dev Removes multiple bridge operators.
   * @param bridgeOperators An array of addresses representing the bridge operators to remove.
   * @return removeds An array of booleans indicating whether each bridge operator was removed successfully.
   *
   * * Note: return boolean array `removeds` indicates whether a group (voteWeight, governor, operator) are recorded.
   * It is expected that FE/BE staticcall to the function first to get the return values and handle it correctly.
   * Governors are expected to see the outcome of this function and decide if they want to vote for the proposal or not.
   *
   * Example Usage:
   * Making an `eth_call` in ethers.js
   * ```
   * const {removeds} = await bridgeManagerContract.callStatic.removeBridgeOperators(
   *  bridgeOperators,
   *  // overriding the caller to the contract itself since we use `onlySelfCall` guard
   *  {from: bridgeManagerContract.address}
   * )
   * const filteredOperators = bridgeOperators.filter((_, index) => removeds[index]);
   * // ... (Process or use the information as required) ...
   * ```
   */
  function removeBridgeOperators(address[] calldata bridgeOperators) external returns (bool[] memory removeds);

  /**
   * @dev Governor updates their corresponding governor and/or operator address.
   * Requirements:
   * - The caller must the governor of the operator that is requested changes.
   * @param bridgeOperator The address of the bridge operator to update.
   */
  function updateBridgeOperator(address bridgeOperator) external;
}

File 26 of 42 : IBridgeManagerCallback.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/**
 * @title IBridgeManagerCallback
 * @dev Interface for the callback functions to be implemented by the Bridge Manager contract.
 */
interface IBridgeManagerCallback is IERC165 {
  /**
   * @dev Handles the event when bridge operators are added.
   * @param bridgeOperators The addresses of the bridge operators.
   * @param addeds The corresponding boolean values indicating whether the operators were added or not.
   * @return selector The selector of the function being called.
   */
  function onBridgeOperatorsAdded(
    address[] memory bridgeOperators,
    bool[] memory addeds
  ) external returns (bytes4 selector);

  /**
   * @dev Handles the event when bridge operators are removed.
   * @param bridgeOperators The addresses of the bridge operators.
   * @param removeds The corresponding boolean values indicating whether the operators were removed or not.
   * @return selector The selector of the function being called.
   */
  function onBridgeOperatorsRemoved(
    address[] memory bridgeOperators,
    bool[] memory removeds
  ) external returns (bytes4 selector);

  /**
   * @dev Handles the event when a bridge operator is updated.
   * @param currentBridgeOperator The address of the current bridge operator.
   * @param newbridgeOperator The new address of the bridge operator.
   * @return selector The selector of the function being called.
   */
  function onBridgeOperatorUpdated(
    address currentBridgeOperator,
    address newbridgeOperator
  ) external returns (bytes4 selector);
}

File 27 of 42 : IBridgeManagerCallbackRegister.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IBridgeManagerCallbackRegister {
  /**
   * @dev Emitted when the contract notifies multiple registers with statuses and return data.
   */
  event Notified(bytes callData, address[] registers, bool[] statuses, bytes[] returnDatas);

  /**
   * @dev Retrieves the addresses of registered callbacks.
   * @return registers An array containing the addresses of registered callbacks.
   */
  function getCallbackRegisters() external view returns (address[] memory registers);

  /**
   * @dev Registers multiple callbacks with the bridge.
   * @param registers The array of callback addresses to register.
   * @return registereds An array indicating the success status of each registration.
   */
  function registerCallbacks(address[] calldata registers) external returns (bool[] memory registereds);

  /**
   * @dev Unregisters multiple callbacks from the bridge.
   * @param registers The array of callback addresses to unregister.
   * @return unregistereds An array indicating the success status of each unregistration.
   */
  function unregisterCallbacks(address[] calldata registers) external returns (bool[] memory unregistereds);
}

File 28 of 42 : IBridgeManagerEvents.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IBridgeManagerEvents {
  /**
   * @dev The structure representing information about a bridge operator.
   * @param addr The address of the bridge operator.
   * @param voteWeight The vote weight assigned to the bridge operator.
   */
  struct BridgeOperatorInfo {
    address addr;
    uint96 voteWeight;
  }

  /**
   * @dev Emitted when new bridge operators are added.
   * @param statuses The array of boolean values represents whether the corresponding bridge operator is added successfully.
   * @param voteWeights The array of vote weights assigned to the added bridge operators.
   * @param governors The array of addresses representing the governors associated with the added bridge operators.
   * @param bridgeOperators The array of addresses representing the added bridge operators.
   */
  event BridgeOperatorsAdded(bool[] statuses, uint96[] voteWeights, address[] governors, address[] bridgeOperators);

  /**
   * @dev Emitted when bridge operators are removed.
   * @param statuses The array of boolean values representing the statuses of the removed bridge operators.
   * @param bridgeOperators The array of addresses representing the removed bridge operators.
   */
  event BridgeOperatorsRemoved(bool[] statuses, address[] bridgeOperators);

  /**
   * @dev Emitted when a bridge operator is updated.
   * @param governor The address of the governor initiating the update.
   * @param fromBridgeOperator The address of the bridge operator being updated.
   * @param toBridgeOperator The updated address of the bridge operator.
   */
  event BridgeOperatorUpdated(
    address indexed governor,
    address indexed fromBridgeOperator,
    address indexed toBridgeOperator
  );
}

File 29 of 42 : IHasContracts.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.9;

import { ContractType } from "../../utils/ContractType.sol";

interface IHasContracts {
  /// @dev Error of invalid role.
  error ErrContractTypeNotFound(ContractType contractType);

  /// @dev Emitted when a contract is updated.
  event ContractUpdated(ContractType indexed contractType, address indexed addr);

  /**
   * @dev Returns the address of a contract with a specific role.
   * Throws an error if no contract is set for the specified role.
   *
   * @param contractType The role of the contract to retrieve.
   * @return contract_ The address of the contract with the specified role.
   */
  function getContract(ContractType contractType) external view returns (address contract_);

  /**
   * @dev Sets the address of a contract with a specific role.
   * Emits the event {ContractUpdated}.
   * @param contractType The role of the contract to set.
   * @param addr The address of the contract to set.
   */
  function setContract(ContractType contractType, address addr) external;
}

File 30 of 42 : ChainTypeConsumer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ChainTypeConsumer {
  enum ChainType {
    RoninChain,
    Mainchain
  }
}

File 31 of 42 : SignatureConsumer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface SignatureConsumer {
  struct Signature {
    uint8 v;
    bytes32 r;
    bytes32 s;
  }
}

File 32 of 42 : VoteStatusConsumer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface VoteStatusConsumer {
  enum VoteStatus {
    Pending,
    Approved,
    Executed,
    Rejected,
    Expired
  }
}

File 33 of 42 : AddressArrayUtils.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

library AddressArrayUtils {
  /**
   * @dev Error thrown when a duplicated element is detected in an array.
   * @param msgSig The function signature that invoke the error.
   */
  error ErrDuplicated(bytes4 msgSig);

  /**
   * @dev Returns whether or not there's a duplicate. Runs in O(n^2).
   * @param A Array to search
   * @return Returns true if duplicate, false otherwise
   */
  function hasDuplicate(address[] memory A) internal pure returns (bool) {
    if (A.length == 0) {
      return false;
    }
    unchecked {
      for (uint256 i = 0; i < A.length - 1; i++) {
        for (uint256 j = i + 1; j < A.length; j++) {
          if (A[i] == A[j]) {
            return true;
          }
        }
      }
    }
    return false;
  }

  /**
   * @dev Returns whether two arrays of addresses are equal or not.
   */
  function isEqual(address[] memory _this, address[] memory _other) internal pure returns (bool yes_) {
    // Hashing two arrays and compare their hash
    assembly {
      let _thisHash := keccak256(add(_this, 32), mul(mload(_this), 32))
      let _otherHash := keccak256(add(_other, 32), mul(mload(_other), 32))
      yes_ := eq(_thisHash, _otherHash)
    }
  }

  /**
   * @dev Return the concatenated array from a and b.
   */
  function extend(address[] memory a, address[] memory b) internal pure returns (address[] memory c) {
    uint256 lengthA = a.length;
    uint256 lengthB = b.length;
    unchecked {
      c = new address[](lengthA + lengthB);
    }
    uint256 i;
    for (; i < lengthA; ) {
      c[i] = a[i];
      unchecked {
        ++i;
      }
    }
    for (uint256 j; j < lengthB; ) {
      c[i] = b[j];
      unchecked {
        ++i;
        ++j;
      }
    }
  }
}

File 34 of 42 : Ballot.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

library Ballot {
  using ECDSA for bytes32;

  enum VoteType {
    For,
    Against
  }

  // keccak256("Ballot(bytes32 proposalHash,uint8 support)");
  bytes32 private constant BALLOT_TYPEHASH = 0xd900570327c4c0df8dd6bdd522b7da7e39145dd049d2fd4602276adcd511e3c2;

  function hash(bytes32 _proposalHash, VoteType _support) internal pure returns (bytes32 digest) {
    // return keccak256(abi.encode(BALLOT_TYPEHASH, _proposalHash, _support));
    assembly {
      let ptr := mload(0x40)
      mstore(ptr, BALLOT_TYPEHASH)
      mstore(add(ptr, 0x20), _proposalHash)
      mstore(add(ptr, 0x40), _support)
      digest := keccak256(ptr, 0x60)
    }
  }
}

File 35 of 42 : GlobalProposal.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./Proposal.sol";

library GlobalProposal {
  /**
   * @dev Error thrown when attempting to interact with an unsupported target.
   */
  error ErrUnsupportedTarget(bytes32 proposalHash, uint256 targetNumber);

  enum TargetOption {
    /* 0 */ BridgeManager,
    /* 1 */ GatewayContract,
    /* 2 */ BridgeReward,
    /* 3 */ BridgeSlash,
    /* 4 */ BridgeTracking
  }

  struct GlobalProposalDetail {
    // Nonce to make sure proposals are executed in order
    uint256 nonce;
    uint256 expiryTimestamp;
    TargetOption[] targetOptions;
    uint256[] values;
    bytes[] calldatas;
    uint256[] gasAmounts;
  }

  // keccak256("GlobalProposalDetail(uint256 nonce,uint256 expiryTimestamp,uint8[] targetOptions,uint256[] values,bytes[] calldatas,uint256[] gasAmounts)");
  bytes32 public constant TYPE_HASH = 0x1463f426c05aff2c1a7a0957a71c9898bc8b47142540538e79ee25ee91141350;

  /**
   * @dev Returns struct hash of the proposal.
   */
  function hash(GlobalProposalDetail memory self) internal pure returns (bytes32 digest_) {
    uint256[] memory values = self.values;
    TargetOption[] memory targets = self.targetOptions;
    bytes32[] memory calldataHashList = new bytes32[](self.calldatas.length);
    uint256[] memory gasAmounts = self.gasAmounts;

    for (uint256 i; i < calldataHashList.length; ) {
      calldataHashList[i] = keccak256(self.calldatas[i]);

      unchecked {
        ++i;
      }
    }

    /*
     * return
     *   keccak256(
     *     abi.encode(
     *       TYPE_HASH,
     *       _proposal.nonce,
     *       _proposal.expiryTimestamp,
     *       _targetsHash,
     *       _valuesHash,
     *       _calldatasHash,
     *       _gasAmountsHash
     *     )
     *   );
     */
    assembly {
      let ptr := mload(0x40)
      mstore(ptr, TYPE_HASH)
      mstore(add(ptr, 0x20), mload(self)) // _proposal.nonce
      mstore(add(ptr, 0x40), mload(add(self, 0x20))) // _proposal.expiryTimestamp

      let arrayHashed
      arrayHashed := keccak256(add(targets, 32), mul(mload(targets), 32)) // targetsHash
      mstore(add(ptr, 0x60), arrayHashed)
      arrayHashed := keccak256(add(values, 32), mul(mload(values), 32)) // _valuesHash
      mstore(add(ptr, 0x80), arrayHashed)
      arrayHashed := keccak256(add(calldataHashList, 32), mul(mload(calldataHashList), 32)) // _calldatasHash
      mstore(add(ptr, 0xa0), arrayHashed)
      arrayHashed := keccak256(add(gasAmounts, 32), mul(mload(gasAmounts), 32)) // _gasAmountsHash
      mstore(add(ptr, 0xc0), arrayHashed)
      digest_ := keccak256(ptr, 0xe0)
    }
  }

  /**
   * @dev Converts into the normal proposal.
   */
  function intoProposalDetail(
    GlobalProposalDetail memory self,
    address[] memory targets
  ) internal pure returns (Proposal.ProposalDetail memory detail_) {
    detail_.nonce = self.nonce;
    detail_.expiryTimestamp = self.expiryTimestamp;
    detail_.chainId = 0;
    detail_.targets = new address[](self.targetOptions.length);
    detail_.values = self.values;
    detail_.calldatas = self.calldatas;
    detail_.gasAmounts = self.gasAmounts;

    for (uint256 i; i < self.targetOptions.length; ) {
      detail_.targets[i] = targets[i];
      unchecked {
        ++i;
      }
    }
  }
}

File 36 of 42 : Proposal.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { ErrInvalidChainId, ErrLengthMismatch } from "../utils/CommonErrors.sol";

library Proposal {
  /**
   * @dev Error thrown when there is insufficient gas to execute a function.
   */
  error ErrInsufficientGas(bytes32 proposalHash);

  /**
   * @dev Error thrown when an invalid expiry timestamp is provided.
   */
  error ErrInvalidExpiryTimestamp();

  struct ProposalDetail {
    // Nonce to make sure proposals are executed in order
    uint256 nonce;
    // Value 0: all chain should run this proposal
    // Other values: only specifc chain has to execute
    uint256 chainId;
    uint256 expiryTimestamp;
    address[] targets;
    uint256[] values;
    bytes[] calldatas;
    uint256[] gasAmounts;
  }

  // keccak256("ProposalDetail(uint256 nonce,uint256 chainId,uint256 expiryTimestamp,address[] targets,uint256[] values,bytes[] calldatas,uint256[] gasAmounts)");
  bytes32 public constant TYPE_HASH = 0xd051578048e6ff0bbc9fca3b65a42088dbde10f36ca841de566711087ad9b08a;

  /**
   * @dev Validates the proposal.
   */
  function validate(ProposalDetail memory _proposal, uint256 _maxExpiryDuration) internal view {
    if (
      !(_proposal.targets.length > 0 &&
        _proposal.targets.length == _proposal.values.length &&
        _proposal.targets.length == _proposal.calldatas.length &&
        _proposal.targets.length == _proposal.gasAmounts.length)
    ) {
      revert ErrLengthMismatch(msg.sig);
    }

    if (_proposal.expiryTimestamp > block.timestamp + _maxExpiryDuration) {
      revert ErrInvalidExpiryTimestamp();
    }
  }

  /**
   * @dev Returns struct hash of the proposal.
   */
  function hash(ProposalDetail memory _proposal) internal pure returns (bytes32 digest_) {
    uint256[] memory _values = _proposal.values;
    address[] memory _targets = _proposal.targets;
    bytes32[] memory _calldataHashList = new bytes32[](_proposal.calldatas.length);
    uint256[] memory _gasAmounts = _proposal.gasAmounts;

    for (uint256 _i; _i < _calldataHashList.length; ) {
      _calldataHashList[_i] = keccak256(_proposal.calldatas[_i]);

      unchecked {
        ++_i;
      }
    }

    // return
    //   keccak256(
    //     abi.encode(
    //       TYPE_HASH,
    //       _proposal.nonce,
    //       _proposal.chainId,
    //       _targetsHash,
    //       _valuesHash,
    //       _calldatasHash,
    //       _gasAmountsHash
    //     )
    //   );
    // /
    assembly {
      let ptr := mload(0x40)
      mstore(ptr, TYPE_HASH)
      mstore(add(ptr, 0x20), mload(_proposal)) // _proposal.nonce
      mstore(add(ptr, 0x40), mload(add(_proposal, 0x20))) // _proposal.chainId
      mstore(add(ptr, 0x60), mload(add(_proposal, 0x40))) // expiry timestamp

      let arrayHashed
      arrayHashed := keccak256(add(_targets, 32), mul(mload(_targets), 32)) // targetsHash
      mstore(add(ptr, 0x80), arrayHashed)
      arrayHashed := keccak256(add(_values, 32), mul(mload(_values), 32)) // _valuesHash
      mstore(add(ptr, 0xa0), arrayHashed)
      arrayHashed := keccak256(add(_calldataHashList, 32), mul(mload(_calldataHashList), 32)) // _calldatasHash
      mstore(add(ptr, 0xc0), arrayHashed)
      arrayHashed := keccak256(add(_gasAmounts, 32), mul(mload(_gasAmounts), 32)) // _gasAmountsHash
      mstore(add(ptr, 0xe0), arrayHashed)
      digest_ := keccak256(ptr, 0x100)
    }
  }

  /**
   * @dev Returns whether the proposal is executable for the current chain.
   *
   * @notice Does not check whether the call result is successful or not. Please use `execute` instead.
   *
   */
  function executable(ProposalDetail memory _proposal) internal view returns (bool _result) {
    return _proposal.chainId == 0 || _proposal.chainId == block.chainid;
  }

  /**
   * @dev Executes the proposal.
   */
  function execute(
    ProposalDetail memory _proposal
  ) internal returns (bool[] memory _successCalls, bytes[] memory _returnDatas) {
    if (!executable(_proposal)) revert ErrInvalidChainId(msg.sig, _proposal.chainId, block.chainid);

    _successCalls = new bool[](_proposal.targets.length);
    _returnDatas = new bytes[](_proposal.targets.length);
    for (uint256 _i = 0; _i < _proposal.targets.length; ) {
      if (gasleft() <= _proposal.gasAmounts[_i]) revert ErrInsufficientGas(hash(_proposal));

      (_successCalls[_i], _returnDatas[_i]) = _proposal.targets[_i].call{
        value: _proposal.values[_i],
        gas: _proposal.gasAmounts[_i]
      }(_proposal.calldatas[_i]);

      unchecked {
        ++_i;
      }
    }
  }
}

File 37 of 42 : Types.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import { LibTUint256Slot } from "./operations/LibTUint256Slot.sol";

type TUint256Slot is bytes32;

using {
  LibTUint256Slot.add,
  LibTUint256Slot.sub,
  LibTUint256Slot.mul,
  LibTUint256Slot.div,
  LibTUint256Slot.load,
  LibTUint256Slot.store,
  LibTUint256Slot.addAssign,
  LibTUint256Slot.subAssign,
  LibTUint256Slot.preDecrement,
  LibTUint256Slot.postDecrement,
  LibTUint256Slot.preIncrement,
  LibTUint256Slot.postIncrement
} for TUint256Slot global;

File 38 of 42 : LibTUint256Slot.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import { TUint256Slot } from "../Types.sol";

/**
 * @title LibTUint256Slot
 * @dev Library for handling unsigned 256-bit integers.
 */
library LibTUint256Slot {
  /// @dev value is equal to bytes4(keccak256("Panic(uint256)"))
  /// @dev see: https://github.com/foundry-rs/forge-std/blob/master/src/StdError.sol
  uint256 private constant PANIC_ERROR_SIGNATURE = 0x4e487b71;
  /// @dev error code for {Arithmetic over/underflow} error
  uint256 private constant ARITHMETIC_ERROR_CODE = 0x11;
  /// @dev error code for {Division or modulo by 0} error
  uint256 private constant DIVISION_ERROR_CODE = 0x12;

  /**
   * @dev Loads the value of the TUint256Slot variable.
   * @param self The TUint256Slot variable.
   * @return val The loaded value.
   */
  function load(TUint256Slot self) internal view returns (uint256 val) {
    assembly {
      val := sload(self)
    }
  }

  /**
   * @dev Stores a value into the TUint256Slot variable.
   * @param self The TUint256Slot variable.
   * @param other The value to be stored.
   */
  function store(TUint256Slot self, uint256 other) internal {
    assembly {
      sstore(self, other)
    }
  }

  /**
   * @dev Multiplies the TUint256Slot variable by a given value.
   * @param self The TUint256Slot variable.
   * @param other The value to multiply by.
   * @return res The resulting value after multiplication.
   */
  function mul(TUint256Slot self, uint256 other) internal view returns (uint256 res) {
    assembly {
      let storedVal := sload(self)
      if iszero(iszero(storedVal)) {
        res := mul(storedVal, other)

        // Overflow check
        if iszero(eq(other, div(res, storedVal))) {
          // Store 4 bytes the function selector of Panic(uint256)
          // Equivalent to revert Panic(uint256)
          mstore(0x00, PANIC_ERROR_SIGNATURE)
          // Store 4 bytes of division error code in the next slot
          mstore(0x20, ARITHMETIC_ERROR_CODE)
          // Revert 36 bytes of error starting from 0x1c
          revert(0x1c, 0x24)
        }
      }
    }
  }

  /**
   * @dev Divides the TUint256Slot variable by a given value.
   * @param self The TUint256Slot variable.
   * @param other The value to divide by.
   * @return res The resulting value after division.
   */
  function div(TUint256Slot self, uint256 other) internal view returns (uint256 res) {
    assembly {
      let storedVal := sload(self)
      // revert if divide by zero
      if iszero(other) {
        // Store 4 bytes the function selector of Panic(uint256)
        // Equivalent to revert Panic(uint256)
        mstore(0x00, PANIC_ERROR_SIGNATURE)
        // Store 4 bytes of division error code in the next slot
        mstore(0x20, DIVISION_ERROR_CODE)
        // Revert 36 bytes of error starting from 0x1c
        revert(0x1c, 0x24)
      }
      res := div(storedVal, other)
    }
  }

  /**
   * @dev Subtracts a given value from the TUint256Slot variable.
   * @param self The TUint256Slot variable.
   * @param other The value to subtract.
   * @return res The resulting value after subtraction.
   */
  function sub(TUint256Slot self, uint256 other) internal view returns (uint256 res) {
    assembly {
      let storedVal := sload(self)

      // Underflow check
      if lt(storedVal, other) {
        // Store 4 bytes the function selector of Panic(uint256)
        // Equivalent to revert Panic(uint256)
        mstore(0x00, PANIC_ERROR_SIGNATURE)
        // Store 4 bytes of division error code in the next slot
        mstore(0x20, ARITHMETIC_ERROR_CODE)
        // Revert 36 bytes of error starting from 0x1c
        revert(0x1c, 0x24)
      }

      res := sub(storedVal, other)
    }
  }

  /**
   * @dev Adds a given value to the TUint256Slot variable.
   * @param self The TUint256Slot variable.
   * @param other The value to add.
   * @return res The resulting value after addition.
   */
  function add(TUint256Slot self, uint256 other) internal view returns (uint256 res) {
    assembly {
      let storedVal := sload(self)
      res := add(storedVal, other)

      // Overflow check
      if lt(res, other) {
        // Store 4 bytes the function selector of Panic(uint256)
        // Equivalent to revert Panic(uint256)
        mstore(0x00, PANIC_ERROR_SIGNATURE)
        // Store 4 bytes of division error code in the next slot
        mstore(0x20, ARITHMETIC_ERROR_CODE)
        // Revert 36 bytes of error starting from 0x1c
        revert(0x1c, 0x24)
      }
    }
  }

  /**
   * @dev Increments the TUint256Slot variable by 1 and returns the new value.
   * @param self The TUint256Slot variable.
   * @return res The resulting value after incrementing.
   */
  function preIncrement(TUint256Slot self) internal returns (uint256 res) {
    res = addAssign(self, 1);
  }

  /**
   * @dev Increments the TUint256Slot variable by 1 and returns the original value.
   * @param self The TUint256Slot variable.
   * @return res The original value before incrementing.
   */
  function postIncrement(TUint256Slot self) internal returns (uint256 res) {
    res = load(self);
    store(self, res + 1);
  }

  /**
   * @dev Decrements the TUint256Slot variable by 1 and returns the new value.
   * @param self The TUint256Slot variable.
   * @return res The resulting value after decrementing.
   */
  function preDecrement(TUint256Slot self) internal returns (uint256 res) {
    res = subAssign(self, 1);
  }

  /**
   * @dev Decrements the TUint256Slot variable by 1 and returns the new value.
   * @param self The TUint256Slot variable.
   * @return res The resulting value before decrementing.
   */
  function postDecrement(TUint256Slot self) internal returns (uint256 res) {
    res = load(self);
    store(self, res - 1);
  }

  /**
   * @dev Adds a given value to the TUint256Slot variable and stores the result.
   * @param self The TUint256Slot variable.
   * @param other The value to add.
   * @return res The resulting value after addition and storage.
   */
  function addAssign(TUint256Slot self, uint256 other) internal returns (uint256 res) {
    store(self, res = add(self, other));
  }

  /**
   * @dev Subtracts a given value from the TUint256Slot variable and stores the result.
   * @param self The TUint256Slot variable.
   * @param other The value to subtract.
   * @return res The resulting value after subtraction and storage.
   */
  function subAssign(TUint256Slot self, uint256 other) internal returns (uint256 res) {
    store(self, res = sub(self, other));
  }
}

File 39 of 42 : CommonErrors.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { ContractType } from "./ContractType.sol";
import { RoleAccess } from "./RoleAccess.sol";

error ErrSyncTooFarPeriod(uint256 period, uint256 latestRewardedPeriod);
/**
 * @dev Error thrown when an address is expected to be an already created externally owned account (EOA).
 * This error indicates that the provided address is invalid for certain contract operations that require already created EOA.
 */
error ErrAddressIsNotCreatedEOA(address addr, bytes32 codehash);
/**
 * @dev Error raised when a bridge operator update operation fails.
 * @param bridgeOperator The address of the bridge operator that failed to update.
 */
error ErrBridgeOperatorUpdateFailed(address bridgeOperator);
/**
 * @dev Error thrown when attempting to add a bridge operator that already exists in the contract.
 * This error indicates that the provided bridge operator address is already registered as a bridge operator in the contract.
 */
error ErrBridgeOperatorAlreadyExisted(address bridgeOperator);
/**
 * @dev The error indicating an unsupported interface.
 * @param interfaceId The bytes4 interface identifier that is not supported.
 * @param addr The address where the unsupported interface was encountered.
 */
error ErrUnsupportedInterface(bytes4 interfaceId, address addr);
/**
 * @dev Error thrown when the return data from a callback function is invalid.
 * @param callbackFnSig The signature of the callback function that returned invalid data.
 * @param register The address of the register where the callback function was invoked.
 * @param returnData The invalid return data received from the callback function.
 */
error ErrInvalidReturnData(bytes4 callbackFnSig, address register, bytes returnData);
/**
 * @dev Error of set to non-contract.
 */
error ErrZeroCodeContract(address addr);
/**
 * @dev Error indicating that arguments are invalid.
 */
error ErrInvalidArguments(bytes4 msgSig);
/**
 * @dev Error indicating that given address is null when it should not.
 */
error ErrZeroAddress(bytes4 msgSig);
/**
 * @dev Error indicating that the provided threshold is invalid for a specific function signature.
 * @param msgSig The function signature (bytes4) that the invalid threshold applies to.
 */
error ErrInvalidThreshold(bytes4 msgSig);

/**
 * @dev Error indicating that a function can only be called by the contract itself.
 * @param msgSig The function signature (bytes4) that can only be called by the contract itself.
 */
error ErrOnlySelfCall(bytes4 msgSig);

/**
 * @dev Error indicating that the caller is unauthorized to perform a specific function.
 * @param msgSig The function signature (bytes4) that the caller is unauthorized to perform.
 * @param expectedRole The role required to perform the function.
 */
error ErrUnauthorized(bytes4 msgSig, RoleAccess expectedRole);

/**
 * @dev Error indicating that the caller is unauthorized to perform a specific function.
 * @param msgSig The function signature (bytes4) that the caller is unauthorized to perform.
 */
error ErrUnauthorizedCall(bytes4 msgSig);

/**
 * @dev Error indicating that the caller is unauthorized to perform a specific function.
 * @param msgSig The function signature (bytes4).
 * @param expectedContractType The contract type required to perform the function.
 * @param actual The actual address that called to the function.
 */
error ErrUnexpectedInternalCall(bytes4 msgSig, ContractType expectedContractType, address actual);

/**
 * @dev Error indicating that an array is empty when it should contain elements.
 */
error ErrEmptyArray();

/**
 * @dev Error indicating a mismatch in the length of input parameters or arrays for a specific function.
 * @param msgSig The function signature (bytes4) that has a length mismatch.
 */
error ErrLengthMismatch(bytes4 msgSig);

/**
 * @dev Error indicating that a proxy call to an external contract has failed.
 * @param msgSig The function signature (bytes4) of the proxy call that failed.
 * @param extCallSig The function signature (bytes4) of the external contract call that failed.
 */
error ErrProxyCallFailed(bytes4 msgSig, bytes4 extCallSig);

/**
 * @dev Error indicating that a function tried to call a precompiled contract that is not allowed.
 * @param msgSig The function signature (bytes4) that attempted to call a precompiled contract.
 */
error ErrCallPrecompiled(bytes4 msgSig);

/**
 * @dev Error indicating that a native token transfer has failed.
 * @param msgSig The function signature (bytes4) of the token transfer that failed.
 */
error ErrNativeTransferFailed(bytes4 msgSig);

/**
 * @dev Error indicating that an order is invalid.
 * @param msgSig The function signature (bytes4) of the operation that encountered an invalid order.
 */
error ErrInvalidOrder(bytes4 msgSig);

/**
 * @dev Error indicating that the chain ID is invalid.
 * @param msgSig The function signature (bytes4) of the operation that encountered an invalid chain ID.
 * @param actual Current chain ID that executing function.
 * @param expected Expected chain ID required for the tx to success.
 */
error ErrInvalidChainId(bytes4 msgSig, uint256 actual, uint256 expected);

/**
 * @dev Error indicating that a vote type is not supported.
 * @param msgSig The function signature (bytes4) of the operation that encountered an unsupported vote type.
 */
error ErrUnsupportedVoteType(bytes4 msgSig);

/**
 * @dev Error indicating that the proposal nonce is invalid.
 * @param msgSig The function signature (bytes4) of the operation that encountered an invalid proposal nonce.
 */
error ErrInvalidProposalNonce(bytes4 msgSig);

/**
 * @dev Error indicating that a voter has already voted.
 * @param voter The address of the voter who has already voted.
 */
error ErrAlreadyVoted(address voter);

/**
 * @dev Error indicating that a signature is invalid for a specific function signature.
 * @param msgSig The function signature (bytes4) that encountered an invalid signature.
 */
error ErrInvalidSignatures(bytes4 msgSig);

/**
 * @dev Error indicating that a relay call has failed.
 * @param msgSig The function signature (bytes4) of the relay call that failed.
 */
error ErrRelayFailed(bytes4 msgSig);
/**
 * @dev Error indicating that a vote weight is invalid for a specific function signature.
 * @param msgSig The function signature (bytes4) that encountered an invalid vote weight.
 */
error ErrInvalidVoteWeight(bytes4 msgSig);

/**
 * @dev Error indicating that a query was made for an outdated bridge operator set.
 */
error ErrQueryForOutdatedBridgeOperatorSet();

/**
 * @dev Error indicating that a request is invalid.
 */
error ErrInvalidRequest();

/**
 * @dev Error indicating that a token standard is invalid.
 */
error ErrInvalidTokenStandard();

/**
 * @dev Error indicating that a token is not supported.
 */
error ErrUnsupportedToken();

/**
 * @dev Error indicating that a receipt kind is invalid.
 */
error ErrInvalidReceiptKind();

/**
 * @dev Error indicating that a receipt is invalid.
 */
error ErrInvalidReceipt();

/**
 * @dev Error indicating that an address is not payable.
 */
error ErrNonpayableAddress(address);

/**
 * @dev Error indicating that the period is already processed, i.e. scattered reward.
 */
error ErrPeriodAlreadyProcessed(uint256 requestingPeriod, uint256 latestPeriod);

/**
 * @dev Error thrown when an invalid vote hash is provided.
 */
error ErrInvalidVoteHash();

/**
 * @dev Error thrown when querying for an empty vote.
 */
error ErrQueryForEmptyVote();

/**
 * @dev Error thrown when querying for an expired vote.
 */
error ErrQueryForExpiredVote();

/**
 * @dev Error thrown when querying for a non-existent vote.
 */
error ErrQueryForNonExistentVote();

/**
 * @dev Error indicating that the method is only called once per block.
 */
error ErrOncePerBlock();

/**
 * @dev Error of method caller must be coinbase
 */
error ErrCallerMustBeCoinbase();

File 40 of 42 : ContractType.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

enum ContractType {
  /*  0 */ UNKNOWN,
  /*  1 */ PAUSE_ENFORCER,
  /*  2 */ BRIDGE,
  /*  3 */ BRIDGE_TRACKING,
  /*  4 */ GOVERNANCE_ADMIN,
  /*  5 */ MAINTENANCE,
  /*  6 */ SLASH_INDICATOR,
  /*  7 */ STAKING_VESTING,
  /*  8 */ VALIDATOR,
  /*  9 */ STAKING,
  /* 10 */ RONIN_TRUSTED_ORGANIZATION,
  /* 11 */ BRIDGE_MANAGER,
  /* 12 */ BRIDGE_SLASH,
  /* 13 */ BRIDGE_REWARD,
  /* 14 */ FAST_FINALITY_TRACKING,
  /* 15 */ PROFILE
}

File 41 of 42 : IdentityGuard.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { AddressArrayUtils } from "../libraries/AddressArrayUtils.sol";
import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import { TransparentUpgradeableProxyV2 } from "../extensions/TransparentUpgradeableProxyV2.sol";
import { ErrAddressIsNotCreatedEOA, ErrZeroAddress, ErrOnlySelfCall, ErrZeroCodeContract, ErrUnsupportedInterface } from "./CommonErrors.sol";

abstract contract IdentityGuard {
  using AddressArrayUtils for address[];

  /// @dev value is equal to keccak256(abi.encode())
  /// @dev see: https://eips.ethereum.org/EIPS/eip-1052
  bytes32 internal constant CREATED_ACCOUNT_HASH = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;

  /**
   * @dev Modifier to restrict functions to only be called by this contract.
   * @dev Reverts if the caller is not this contract.
   */
  modifier onlySelfCall() virtual {
    _requireSelfCall();
    _;
  }

  /**
   * @dev Modifier to ensure that the elements in the `arr` array are non-duplicates.
   * It calls the internal `_checkDuplicate` function to perform the duplicate check.
   *
   * Requirements:
   * - The elements in the `arr` array must not contain any duplicates.
   */
  modifier nonDuplicate(address[] memory arr) virtual {
    _requireNonDuplicate(arr);
    _;
  }

  /**
   * @dev Internal method to check the method caller.
   * @dev Reverts if the method caller is not this contract.
   */
  function _requireSelfCall() internal view virtual {
    if (msg.sender != address(this)) revert ErrOnlySelfCall(msg.sig);
  }

  /**
   * @dev Internal function to check if a contract address has code.
   * @param addr The address of the contract to check.
   * @dev Throws an error if the contract address has no code.
   */
  function _requireHasCode(address addr) internal view {
    if (addr.code.length == 0) revert ErrZeroCodeContract(addr);
  }

  /**
   * @dev Checks if an address is zero and reverts if it is.
   * @param addr The address to check.
   */
  function _requireNonZeroAddress(address addr) internal pure {
    if (addr == address(0)) revert ErrZeroAddress(msg.sig);
  }

  /**
   * @dev Check if arr is empty and revert if it is.
   * Checks if an array contains any duplicate addresses and reverts if duplicates are found.
   * @param arr The array of addresses to check.
   */
  function _requireNonDuplicate(address[] memory arr) internal pure {
    if (arr.hasDuplicate()) revert AddressArrayUtils.ErrDuplicated(msg.sig);
  }

  /**
   * @dev Internal function to require that the provided address is a created externally owned account (EOA).
   * This internal function is used to ensure that the provided address is a valid externally owned account (EOA).
   * It checks the codehash of the address against a predefined constant to confirm that the address is a created EOA.
   * @notice This method only works with non-state EOA accounts
   */
  function _requireCreatedEOA(address addr) internal view {
    _requireNonZeroAddress(addr);
    bytes32 codehash = addr.codehash;
    if (codehash != CREATED_ACCOUNT_HASH) revert ErrAddressIsNotCreatedEOA(addr, codehash);
  }

  /**
   * @dev Internal function to require that the specified contract supports the given interface. This method handle in
   * both case that the callee is either or not the proxy admin of the caller. If the contract does not support the
   * interface `interfaceId` or EIP165, a revert with the corresponding error message is triggered.
   *
   * @param contractAddr The address of the contract to check for interface support.
   * @param interfaceId The interface ID to check for support.
   */
  function _requireSupportsInterface(address contractAddr, bytes4 interfaceId) internal view {
    bytes memory supportsInterfaceParams = abi.encodeCall(IERC165.supportsInterface, (interfaceId));
    (bool success, bytes memory returnOrRevertData) = contractAddr.staticcall(supportsInterfaceParams);
    if (!success) {
      (success, returnOrRevertData) = contractAddr.staticcall(
        abi.encodeCall(TransparentUpgradeableProxyV2.functionDelegateCall, (supportsInterfaceParams))
      );
      if (!success) revert ErrUnsupportedInterface(interfaceId, contractAddr);
    }
    if (!abi.decode(returnOrRevertData, (bool))) revert ErrUnsupportedInterface(interfaceId, contractAddr);
  }
}

File 42 of 42 : RoleAccess.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

enum RoleAccess {
  /* 0 */ UNKNOWN,
  /* 1 */ ADMIN,
  /* 2 */ COINBASE,
  /* 3 */ GOVERNOR,
  /* 4 */ CANDIDATE_ADMIN,
  /* 5 */ WITHDRAWAL_MIGRATOR,
  /* 6 */ __DEPRECATED_BRIDGE_OPERATOR,
  /* 7 */ BLOCK_PRODUCER,
  /* 8 */ VALIDATOR_CANDIDATE,
  /* 9 */ CONSENSUS,
  /* 10 */ TREASURY
}

Settings
{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000000000000000000000000000000000000000046000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000007e400000000000000000000000064192819ac13ef72bf6b5ae239ac672b43a9af080000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000016000000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000002600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000032015e8b982c61bc8a593816fdbf03a603eec82300000000000000000000000000000000000000000000000000000000000000010000000000000000000000003200a8eb56767c3760e108aa27c65bfff036d8e60000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000064192819ac13ef72bf6b5ae239ac672b43a9af08

-----Decoded View---------------
Arg [0] : num (uint256): 70
Arg [1] : denom (uint256): 100
Arg [2] : roninChainId (uint256): 2020
Arg [3] : bridgeContract (address): 0x64192819Ac13Ef72bF6b5AE239AC672B43a9AF08

-----Encoded View---------------
21 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000046
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [2] : 00000000000000000000000000000000000000000000000000000000000007e4
Arg [3] : 00000000000000000000000064192819ac13ef72bf6b5ae239ac672b43a9af08
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000160
Arg [6] : 00000000000000000000000000000000000000000000000000000000000001a0
Arg [7] : 00000000000000000000000000000000000000000000000000000000000001e0
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000220
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000260
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [12] : 00000000000000000000000032015e8b982c61bc8a593816fdbf03a603eec823
Arg [13] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [14] : 0000000000000000000000003200a8eb56767c3760e108aa27c65bfff036d8e6
Arg [15] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [16] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [17] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [18] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [19] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [20] : 00000000000000000000000064192819ac13ef72bf6b5ae239ac672b43a9af08


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.