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// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

import { SolidStateDiamond } from '@solidstate/contracts/proxy/diamond/SolidStateDiamond.sol';
import { IPausable } from '@solidstate/contracts/security/pausable/IPausable.sol';
import { Pausable } from '@solidstate/contracts/security/pausable/Pausable.sol';
import { ReentrancyGuard } from '@solidstate/contracts/security/reentrancy_guard/ReentrancyGuard.sol';
import { ITokenBalance } from '../../interfaces/ITokenBalance.sol';
import { OFTWrapperStorage } from './OFTWrapperStorage.sol';
import '../../helpers/TransferHelper.sol' as TransferHelper;
import '../../Constants.sol' as Constants;

/**
 * @title OFTWrapperDiamond
 * @notice The OFT wrapper diamond contract
 */
contract OFTWrapperDiamond is SolidStateDiamond, Pausable, ReentrancyGuard {
    /**
     * @notice Emitted when the address of the collector is set
     * @param collector The address of the collector
     */
    event SetCollector(address indexed collector);

    uint256 private constant SYSTEM_VERSION_ID_INTERNAL = uint256(keccak256('Initial'));

    /**
     * @notice Initializes the contract
     * @param _collector The initial address of the collector
     * @param _owner The address of the initial owner of the contract
     */
    constructor(address _collector, address _owner) {
        _initOFTWrapperDiamond();

        _setCollector(_collector);

        if (_owner != msg.sender && _owner != address(0)) {
            _setOwner(_owner);
        }
    }

    /**
     * @notice Sets the address of the collector
     * @param _collector The address of the collector
     */
    function setCollector(address _collector) external onlyOwner {
        _setCollector(_collector);
    }

    /**
     * @notice Enter pause state
     */
    function pause() external onlyOwner whenNotPaused {
        _pause();
    }

    /**
     * @notice Exit pause state
     */
    function unpause() external onlyOwner whenPaused {
        _unpause();
    }

    /**
     * @notice Transfers ownership of the contract to a new account
     * @dev Can only be called by the current owner
     * @param _newOwner The address of the contract owner
     */
    function forceTransferOwnership(address _newOwner) external onlyOwner {
        _setOwner(_newOwner);
    }

    /**
     * @notice Performs the token cleanup
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     */
    function cleanup(address _tokenAddress) external onlyOwner {
        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            TransferHelper.safeTransferNative(msg.sender, address(this).balance);
        } else {
            TransferHelper.safeTransfer(
                _tokenAddress,
                msg.sender,
                ITokenBalance(_tokenAddress).balanceOf(address(this))
            );
        }
    }

    /**
     * @notice Performs the token cleanup using the provided amount
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     * @param _tokenAmount The amount of the token
     */
    function cleanupWithAmount(address _tokenAddress, uint256 _tokenAmount) external onlyOwner {
        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            TransferHelper.safeTransferNative(msg.sender, _tokenAmount);
        } else {
            TransferHelper.safeTransfer(_tokenAddress, msg.sender, _tokenAmount);
        }
    }

    /**
     * @notice Getter of the token balance of the current contract
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     * @return The token balance of the current contract
     */
    function tokenBalance(address _tokenAddress) external view returns (uint256) {
        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            return address(this).balance;
        } else {
            return ITokenBalance(_tokenAddress).balanceOf(address(this));
        }
    }

    /**
     * @notice Getter of the address of the collector
     * @return The address of the collector
     */
    function collector() external view returns (address) {
        return OFTWrapperStorage.layout().collector;
    }

    /**
     * @notice Getter of the system version identifier
     * @return The system version identifier
     */
    function SYSTEM_VERSION_ID() external pure returns (uint256) {
        return SYSTEM_VERSION_ID_INTERNAL;
    }

    function _setCollector(address _collector) private {
        OFTWrapperStorage.layout().collector = _collector;

        emit SetCollector(_collector);
    }

    function _initOFTWrapperDiamond() private {
        bytes4[] memory selectors = new bytes4[](10);
        uint256 selectorIndex;

        // register Pausable

        selectors[selectorIndex++] = IPausable.paused.selector;

        _setSupportsInterface(type(IPausable).interfaceId, true);

        // register collector functions

        selectors[selectorIndex++] = OFTWrapperDiamond.setCollector.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.collector.selector;

        // register service functions

        selectors[selectorIndex++] = OFTWrapperDiamond.pause.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.unpause.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.forceTransferOwnership.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.cleanup.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.cleanupWithAmount.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.tokenBalance.selector;
        selectors[selectorIndex++] = OFTWrapperDiamond.SYSTEM_VERSION_ID.selector;

        // diamond cut

        FacetCut[] memory facetCuts = new FacetCut[](1);

        facetCuts[0] = FacetCut({
            target: address(this),
            action: FacetCutAction.ADD,
            selectors: selectors
        });

        _diamondCut(facetCuts, address(0), '');
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC173 } from '../../interfaces/IERC173.sol';
import { IOwnableInternal } from './IOwnableInternal.sol';

interface IOwnable is IOwnableInternal, IERC173 {}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC173Internal } from '../../interfaces/IERC173Internal.sol';

interface IOwnableInternal is IERC173Internal {
    error Ownable__NotOwner();
    error Ownable__NotTransitiveOwner();
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IOwnable } from './IOwnable.sol';
import { ISafeOwnableInternal } from './ISafeOwnableInternal.sol';

interface ISafeOwnable is ISafeOwnableInternal, IOwnable {
    /**
     * @notice get the nominated owner who has permission to call acceptOwnership
     */
    function nomineeOwner() external view returns (address);

    /**
     * @notice accept transfer of contract ownership
     */
    function acceptOwnership() external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IOwnableInternal } from './IOwnableInternal.sol';

interface ISafeOwnableInternal is IOwnableInternal {
    error SafeOwnable__NotNomineeOwner();
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC173 } from '../../interfaces/IERC173.sol';
import { IOwnable } from './IOwnable.sol';
import { OwnableInternal } from './OwnableInternal.sol';

/**
 * @title Ownership access control based on ERC173
 */
abstract contract Ownable is IOwnable, OwnableInternal {
    /**
     * @inheritdoc IERC173
     */
    function owner() public view virtual returns (address) {
        return _owner();
    }

    /**
     * @inheritdoc IERC173
     */
    function transferOwnership(address account) public virtual onlyOwner {
        _transferOwnership(account);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC173 } from '../../interfaces/IERC173.sol';
import { AddressUtils } from '../../utils/AddressUtils.sol';
import { IOwnableInternal } from './IOwnableInternal.sol';
import { OwnableStorage } from './OwnableStorage.sol';

abstract contract OwnableInternal is IOwnableInternal {
    using AddressUtils for address;

    modifier onlyOwner() {
        if (msg.sender != _owner()) revert Ownable__NotOwner();
        _;
    }

    modifier onlyTransitiveOwner() {
        if (msg.sender != _transitiveOwner())
            revert Ownable__NotTransitiveOwner();
        _;
    }

    function _owner() internal view virtual returns (address) {
        return OwnableStorage.layout().owner;
    }

    function _transitiveOwner() internal view virtual returns (address owner) {
        owner = _owner();

        while (owner.isContract()) {
            try IERC173(owner).owner() returns (address transitiveOwner) {
                owner = transitiveOwner;
            } catch {
                break;
            }
        }
    }

    function _transferOwnership(address account) internal virtual {
        _setOwner(account);
    }

    function _setOwner(address account) internal virtual {
        OwnableStorage.Layout storage l = OwnableStorage.layout();
        emit OwnershipTransferred(l.owner, account);
        l.owner = account;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

library OwnableStorage {
    struct Layout {
        address owner;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.Ownable');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { Ownable } from './Ownable.sol';
import { ISafeOwnable } from './ISafeOwnable.sol';
import { OwnableInternal } from './OwnableInternal.sol';
import { SafeOwnableInternal } from './SafeOwnableInternal.sol';

/**
 * @title Ownership access control based on ERC173 with ownership transfer safety check
 */
abstract contract SafeOwnable is ISafeOwnable, Ownable, SafeOwnableInternal {
    /**
     * @inheritdoc ISafeOwnable
     */
    function nomineeOwner() public view virtual returns (address) {
        return _nomineeOwner();
    }

    /**
     * @inheritdoc ISafeOwnable
     */
    function acceptOwnership() public virtual onlyNomineeOwner {
        _acceptOwnership();
    }

    function _transferOwnership(
        address account
    ) internal virtual override(OwnableInternal, SafeOwnableInternal) {
        super._transferOwnership(account);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { ISafeOwnableInternal } from './ISafeOwnableInternal.sol';
import { OwnableInternal } from './OwnableInternal.sol';
import { SafeOwnableStorage } from './SafeOwnableStorage.sol';

abstract contract SafeOwnableInternal is ISafeOwnableInternal, OwnableInternal {
    modifier onlyNomineeOwner() {
        if (msg.sender != _nomineeOwner())
            revert SafeOwnable__NotNomineeOwner();
        _;
    }

    /**
     * @notice get the nominated owner who has permission to call acceptOwnership
     */
    function _nomineeOwner() internal view virtual returns (address) {
        return SafeOwnableStorage.layout().nomineeOwner;
    }

    /**
     * @notice accept transfer of contract ownership
     */
    function _acceptOwnership() internal virtual {
        _setOwner(msg.sender);
        delete SafeOwnableStorage.layout().nomineeOwner;
    }

    /**
     * @notice grant permission to given address to claim contract ownership
     */
    function _transferOwnership(address account) internal virtual override {
        _setNomineeOwner(account);
    }

    /**
     * @notice set nominee owner
     */
    function _setNomineeOwner(address account) internal virtual {
        SafeOwnableStorage.layout().nomineeOwner = account;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

library SafeOwnableStorage {
    struct Layout {
        address nomineeOwner;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.SafeOwnable');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC165Internal } from './IERC165Internal.sol';

/**
 * @title ERC165 interface registration interface
 * @dev see https://eips.ethereum.org/EIPS/eip-165
 */
interface IERC165 is IERC165Internal {
    /**
     * @notice query whether contract has registered support for given interface
     * @param interfaceId interface id
     * @return bool whether interface is supported
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

/**
 * @title ERC165 interface registration interface
 */
interface IERC165Internal {

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC173Internal } from './IERC173Internal.sol';

/**
 * @title Contract ownership standard interface
 * @dev see https://eips.ethereum.org/EIPS/eip-173
 */
interface IERC173 is IERC173Internal {
    /**
     * @notice get the ERC173 contract owner
     * @return contract owner
     */
    function owner() external view returns (address);

    /**
     * @notice transfer contract ownership to new account
     * @param account address of new owner
     */
    function transferOwnership(address account) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

/**
 * @title Partial ERC173 interface needed by internal functions
 */
interface IERC173Internal {
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC165 } from '../../../interfaces/IERC165.sol';
import { IERC165Base } from './IERC165Base.sol';
import { ERC165BaseInternal } from './ERC165BaseInternal.sol';
import { ERC165BaseStorage } from './ERC165BaseStorage.sol';

/**
 * @title ERC165 implementation
 */
abstract contract ERC165Base is IERC165Base, ERC165BaseInternal {
    /**
     * @inheritdoc IERC165
     */
    function supportsInterface(bytes4 interfaceId) public view returns (bool) {
        return _supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IERC165BaseInternal } from './IERC165BaseInternal.sol';
import { ERC165BaseStorage } from './ERC165BaseStorage.sol';

/**
 * @title ERC165 implementation
 */
abstract contract ERC165BaseInternal is IERC165BaseInternal {
    /**
     * @notice indicates whether an interface is already supported based on the interfaceId
     * @param interfaceId id of interface to check
     * @return bool indicating whether interface is supported
     */
    function _supportsInterface(
        bytes4 interfaceId
    ) internal view virtual returns (bool) {
        return ERC165BaseStorage.layout().supportedInterfaces[interfaceId];
    }

    /**
     * @notice sets status of interface support
     * @param interfaceId id of interface to set status for
     * @param status boolean indicating whether interface will be set as supported
     */
    function _setSupportsInterface(
        bytes4 interfaceId,
        bool status
    ) internal virtual {
        if (interfaceId == 0xffffffff) revert ERC165Base__InvalidInterfaceId();
        ERC165BaseStorage.layout().supportedInterfaces[interfaceId] = status;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

library ERC165BaseStorage {
    struct Layout {
        mapping(bytes4 => bool) supportedInterfaces;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.ERC165Base');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IERC165 } from '../../../interfaces/IERC165.sol';
import { IERC165BaseInternal } from './IERC165BaseInternal.sol';

interface IERC165Base is IERC165, IERC165BaseInternal {}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IERC165Internal } from '../../../interfaces/IERC165Internal.sol';

interface IERC165BaseInternal is IERC165Internal {
    error ERC165Base__InvalidInterfaceId();
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { Proxy } from '../../Proxy.sol';
import { IDiamondBase } from './IDiamondBase.sol';
import { DiamondBaseStorage } from './DiamondBaseStorage.sol';

/**
 * @title EIP-2535 "Diamond" proxy base contract
 * @dev see https://eips.ethereum.org/EIPS/eip-2535
 */
abstract contract DiamondBase is IDiamondBase, Proxy {
    /**
     * @inheritdoc Proxy
     */
    function _getImplementation()
        internal
        view
        virtual
        override
        returns (address implementation)
    {
        // inline storage layout retrieval uses less gas
        DiamondBaseStorage.Layout storage l;
        bytes32 slot = DiamondBaseStorage.STORAGE_SLOT;
        assembly {
            l.slot := slot
        }

        implementation = address(bytes20(l.facets[msg.sig]));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

/**
 * @dev derived from https://github.com/mudgen/diamond-2 (MIT license)
 */
library DiamondBaseStorage {
    struct Layout {
        // function selector => (facet address, selector slot position)
        mapping(bytes4 => bytes32) facets;
        // total number of selectors registered
        uint16 selectorCount;
        // array of selector slots with 8 selectors per slot
        mapping(uint256 => bytes32) selectorSlots;
        address fallbackAddress;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.DiamondBase');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IProxy } from '../../IProxy.sol';

interface IDiamondBase is IProxy {}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { OwnableInternal } from '../../../access/ownable/OwnableInternal.sol';
import { DiamondBase } from '../base/DiamondBase.sol';
import { DiamondBaseStorage } from '../base/DiamondBaseStorage.sol';
import { IDiamondFallback } from './IDiamondFallback.sol';

/**
 * @title Fallback feature for EIP-2535 "Diamond" proxy
 */
abstract contract DiamondFallback is
    IDiamondFallback,
    OwnableInternal,
    DiamondBase
{
    /**
     * @inheritdoc IDiamondFallback
     */
    function getFallbackAddress()
        external
        view
        returns (address fallbackAddress)
    {
        fallbackAddress = _getFallbackAddress();
    }

    /**
     * @inheritdoc IDiamondFallback
     */
    function setFallbackAddress(address fallbackAddress) external onlyOwner {
        _setFallbackAddress(fallbackAddress);
    }

    /**
     * @inheritdoc DiamondBase
     * @notice query custom fallback address is no implementation is found
     */
    function _getImplementation()
        internal
        view
        virtual
        override
        returns (address implementation)
    {
        implementation = super._getImplementation();

        if (implementation == address(0)) {
            implementation = _getFallbackAddress();
        }
    }

    /**
     * @notice query the address of the fallback implementation
     * @return fallbackAddress address of fallback implementation
     */
    function _getFallbackAddress()
        internal
        view
        virtual
        returns (address fallbackAddress)
    {
        fallbackAddress = DiamondBaseStorage.layout().fallbackAddress;
    }

    /**
     * @notice set the address of the fallback implementation
     * @param fallbackAddress address of fallback implementation
     */
    function _setFallbackAddress(address fallbackAddress) internal virtual {
        DiamondBaseStorage.layout().fallbackAddress = fallbackAddress;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IDiamondBase } from '../base/IDiamondBase.sol';

interface IDiamondFallback is IDiamondBase {
    /**
     * @notice query the address of the fallback implementation
     * @return fallbackAddress address of fallback implementation
     */
    function getFallbackAddress()
        external
        view
        returns (address fallbackAddress);

    /**
     * @notice set the address of the fallback implementation
     * @param fallbackAddress address of fallback implementation
     */
    function setFallbackAddress(address fallbackAddress) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { ISafeOwnable } from '../../access/ownable/ISafeOwnable.sol';
import { IERC165 } from '../../interfaces/IERC165.sol';
import { IDiamondBase } from './base/IDiamondBase.sol';
import { IDiamondFallback } from './fallback/IDiamondFallback.sol';
import { IDiamondReadable } from './readable/IDiamondReadable.sol';
import { IDiamondWritable } from './writable/IDiamondWritable.sol';

interface ISolidStateDiamond is
    IDiamondBase,
    IDiamondFallback,
    IDiamondReadable,
    IDiamondWritable,
    ISafeOwnable,
    IERC165
{
    receive() external payable;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { DiamondBaseStorage } from '../base/DiamondBaseStorage.sol';
import { IDiamondReadable } from './IDiamondReadable.sol';

/**
 * @title EIP-2535 "Diamond" proxy introspection contract
 * @dev derived from https://github.com/mudgen/diamond-2 (MIT license)
 */
abstract contract DiamondReadable is IDiamondReadable {
    /**
     * @inheritdoc IDiamondReadable
     */
    function facets() external view returns (Facet[] memory diamondFacets) {
        DiamondBaseStorage.Layout storage l = DiamondBaseStorage.layout();

        diamondFacets = new Facet[](l.selectorCount);

        uint8[] memory numFacetSelectors = new uint8[](l.selectorCount);
        uint256 numFacets;
        uint256 selectorIndex;

        // loop through function selectors
        for (uint256 slotIndex; selectorIndex < l.selectorCount; slotIndex++) {
            bytes32 slot = l.selectorSlots[slotIndex];

            for (
                uint256 selectorSlotIndex;
                selectorSlotIndex < 8;
                selectorSlotIndex++
            ) {
                selectorIndex++;

                if (selectorIndex > l.selectorCount) {
                    break;
                }

                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));
                address facet = address(bytes20(l.facets[selector]));

                bool continueLoop;

                for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
                    if (diamondFacets[facetIndex].target == facet) {
                        diamondFacets[facetIndex].selectors[
                            numFacetSelectors[facetIndex]
                        ] = selector;
                        // probably will never have more than 256 functions from one facet contract
                        require(numFacetSelectors[facetIndex] < 255);
                        numFacetSelectors[facetIndex]++;
                        continueLoop = true;
                        break;
                    }
                }

                if (continueLoop) {
                    continue;
                }

                diamondFacets[numFacets].target = facet;
                diamondFacets[numFacets].selectors = new bytes4[](
                    l.selectorCount
                );
                diamondFacets[numFacets].selectors[0] = selector;
                numFacetSelectors[numFacets] = 1;
                numFacets++;
            }
        }

        for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
            uint256 numSelectors = numFacetSelectors[facetIndex];
            bytes4[] memory selectors = diamondFacets[facetIndex].selectors;

            // setting the number of selectors
            assembly {
                mstore(selectors, numSelectors)
            }
        }

        // setting the number of facets
        assembly {
            mstore(diamondFacets, numFacets)
        }
    }

    /**
     * @inheritdoc IDiamondReadable
     */
    function facetFunctionSelectors(
        address facet
    ) external view returns (bytes4[] memory selectors) {
        DiamondBaseStorage.Layout storage l = DiamondBaseStorage.layout();

        selectors = new bytes4[](l.selectorCount);

        uint256 numSelectors;
        uint256 selectorIndex;

        // loop through function selectors
        for (uint256 slotIndex; selectorIndex < l.selectorCount; slotIndex++) {
            bytes32 slot = l.selectorSlots[slotIndex];

            for (
                uint256 selectorSlotIndex;
                selectorSlotIndex < 8;
                selectorSlotIndex++
            ) {
                selectorIndex++;

                if (selectorIndex > l.selectorCount) {
                    break;
                }

                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));

                if (facet == address(bytes20(l.facets[selector]))) {
                    selectors[numSelectors] = selector;
                    numSelectors++;
                }
            }
        }

        // set the number of selectors in the array
        assembly {
            mstore(selectors, numSelectors)
        }
    }

    /**
     * @inheritdoc IDiamondReadable
     */
    function facetAddresses()
        external
        view
        returns (address[] memory addresses)
    {
        DiamondBaseStorage.Layout storage l = DiamondBaseStorage.layout();

        addresses = new address[](l.selectorCount);
        uint256 numFacets;
        uint256 selectorIndex;

        for (uint256 slotIndex; selectorIndex < l.selectorCount; slotIndex++) {
            bytes32 slot = l.selectorSlots[slotIndex];

            for (
                uint256 selectorSlotIndex;
                selectorSlotIndex < 8;
                selectorSlotIndex++
            ) {
                selectorIndex++;

                if (selectorIndex > l.selectorCount) {
                    break;
                }

                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));
                address facet = address(bytes20(l.facets[selector]));

                bool continueLoop;

                for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
                    if (facet == addresses[facetIndex]) {
                        continueLoop = true;
                        break;
                    }
                }

                if (continueLoop) {
                    continue;
                }

                addresses[numFacets] = facet;
                numFacets++;
            }
        }

        // set the number of facet addresses in the array
        assembly {
            mstore(addresses, numFacets)
        }
    }

    /**
     * @inheritdoc IDiamondReadable
     */
    function facetAddress(
        bytes4 selector
    ) external view returns (address facet) {
        facet = address(bytes20(DiamondBaseStorage.layout().facets[selector]));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

/**
 * @title Diamond proxy introspection interface
 * @dev see https://eips.ethereum.org/EIPS/eip-2535
 */
interface IDiamondReadable {
    struct Facet {
        address target;
        bytes4[] selectors;
    }

    /**
     * @notice get all facets and their selectors
     * @return diamondFacets array of structured facet data
     */
    function facets() external view returns (Facet[] memory diamondFacets);

    /**
     * @notice get all selectors for given facet address
     * @param facet address of facet to query
     * @return selectors array of function selectors
     */
    function facetFunctionSelectors(
        address facet
    ) external view returns (bytes4[] memory selectors);

    /**
     * @notice get addresses of all facets used by diamond
     * @return addresses array of facet addresses
     */
    function facetAddresses()
        external
        view
        returns (address[] memory addresses);

    /**
     * @notice get the address of the facet associated with given selector
     * @param selector function selector to query
     * @return facet facet address (zero address if not found)
     */
    function facetAddress(
        bytes4 selector
    ) external view returns (address facet);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IOwnable, Ownable, OwnableInternal } from '../../access/ownable/Ownable.sol';
import { ISafeOwnable, SafeOwnable } from '../../access/ownable/SafeOwnable.sol';
import { IERC165 } from '../../interfaces/IERC165.sol';
import { IERC173 } from '../../interfaces/IERC173.sol';
import { ERC165Base, ERC165BaseStorage } from '../../introspection/ERC165/base/ERC165Base.sol';
import { DiamondBase } from './base/DiamondBase.sol';
import { DiamondFallback, IDiamondFallback } from './fallback/DiamondFallback.sol';
import { DiamondReadable, IDiamondReadable } from './readable/DiamondReadable.sol';
import { DiamondWritable, IDiamondWritable } from './writable/DiamondWritable.sol';
import { ISolidStateDiamond } from './ISolidStateDiamond.sol';

/**
 * @title SolidState "Diamond" proxy reference implementation
 */
abstract contract SolidStateDiamond is
    ISolidStateDiamond,
    DiamondBase,
    DiamondFallback,
    DiamondReadable,
    DiamondWritable,
    SafeOwnable,
    ERC165Base
{
    constructor() {
        bytes4[] memory selectors = new bytes4[](12);
        uint256 selectorIndex;

        // register DiamondFallback

        selectors[selectorIndex++] = IDiamondFallback
            .getFallbackAddress
            .selector;
        selectors[selectorIndex++] = IDiamondFallback
            .setFallbackAddress
            .selector;

        _setSupportsInterface(type(IDiamondFallback).interfaceId, true);

        // register DiamondWritable

        selectors[selectorIndex++] = IDiamondWritable.diamondCut.selector;

        _setSupportsInterface(type(IDiamondWritable).interfaceId, true);

        // register DiamondReadable

        selectors[selectorIndex++] = IDiamondReadable.facets.selector;
        selectors[selectorIndex++] = IDiamondReadable
            .facetFunctionSelectors
            .selector;
        selectors[selectorIndex++] = IDiamondReadable.facetAddresses.selector;
        selectors[selectorIndex++] = IDiamondReadable.facetAddress.selector;

        _setSupportsInterface(type(IDiamondReadable).interfaceId, true);

        // register ERC165

        selectors[selectorIndex++] = IERC165.supportsInterface.selector;

        _setSupportsInterface(type(IERC165).interfaceId, true);

        // register SafeOwnable

        selectors[selectorIndex++] = Ownable.owner.selector;
        selectors[selectorIndex++] = SafeOwnable.nomineeOwner.selector;
        selectors[selectorIndex++] = Ownable.transferOwnership.selector;
        selectors[selectorIndex++] = SafeOwnable.acceptOwnership.selector;

        _setSupportsInterface(type(IERC173).interfaceId, true);

        // diamond cut

        FacetCut[] memory facetCuts = new FacetCut[](1);

        facetCuts[0] = FacetCut({
            target: address(this),
            action: FacetCutAction.ADD,
            selectors: selectors
        });

        _diamondCut(facetCuts, address(0), '');

        // set owner

        _setOwner(msg.sender);
    }

    receive() external payable {}

    function _transferOwnership(
        address account
    ) internal virtual override(OwnableInternal, SafeOwnable) {
        super._transferOwnership(account);
    }

    /**
     * @inheritdoc DiamondFallback
     */
    function _getImplementation()
        internal
        view
        override(DiamondBase, DiamondFallback)
        returns (address implementation)
    {
        implementation = super._getImplementation();
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { OwnableInternal } from '../../../access/ownable/OwnableInternal.sol';
import { IDiamondWritable } from './IDiamondWritable.sol';
import { DiamondWritableInternal } from './DiamondWritableInternal.sol';

/**
 * @title EIP-2535 "Diamond" proxy update contract
 */
abstract contract DiamondWritable is
    IDiamondWritable,
    DiamondWritableInternal,
    OwnableInternal
{
    /**
     * @inheritdoc IDiamondWritable
     */
    function diamondCut(
        FacetCut[] calldata facetCuts,
        address target,
        bytes calldata data
    ) external onlyOwner {
        _diamondCut(facetCuts, target, data);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { AddressUtils } from '../../../utils/AddressUtils.sol';
import { DiamondBaseStorage } from '../base/DiamondBaseStorage.sol';
import { IDiamondWritableInternal } from './IDiamondWritableInternal.sol';

abstract contract DiamondWritableInternal is IDiamondWritableInternal {
    using AddressUtils for address;

    bytes32 private constant CLEAR_ADDRESS_MASK =
        bytes32(uint256(0xffffffffffffffffffffffff));
    bytes32 private constant CLEAR_SELECTOR_MASK =
        bytes32(uint256(0xffffffff << 224));

    /**
     * @notice update functions callable on Diamond proxy
     * @param facetCuts array of structured Diamond facet update data
     * @param target optional recipient of initialization delegatecall
     * @param data optional initialization call data
     */
    function _diamondCut(
        FacetCut[] memory facetCuts,
        address target,
        bytes memory data
    ) internal virtual {
        DiamondBaseStorage.Layout storage l = DiamondBaseStorage.layout();

        unchecked {
            uint256 originalSelectorCount = l.selectorCount;
            uint256 selectorCount = originalSelectorCount;
            bytes32 selectorSlot;

            // Check if last selector slot is not full
            if (selectorCount & 7 > 0) {
                // get last selectorSlot
                selectorSlot = l.selectorSlots[selectorCount >> 3];
            }

            for (uint256 i; i < facetCuts.length; i++) {
                FacetCut memory facetCut = facetCuts[i];
                FacetCutAction action = facetCut.action;

                if (facetCut.selectors.length == 0)
                    revert DiamondWritable__SelectorNotSpecified();

                if (action == FacetCutAction.ADD) {
                    (selectorCount, selectorSlot) = _addFacetSelectors(
                        l,
                        selectorCount,
                        selectorSlot,
                        facetCut
                    );
                } else if (action == FacetCutAction.REPLACE) {
                    _replaceFacetSelectors(l, facetCut);
                } else if (action == FacetCutAction.REMOVE) {
                    (selectorCount, selectorSlot) = _removeFacetSelectors(
                        l,
                        selectorCount,
                        selectorSlot,
                        facetCut
                    );
                }
            }

            if (selectorCount != originalSelectorCount) {
                l.selectorCount = uint16(selectorCount);
            }

            // If last selector slot is not full
            if (selectorCount & 7 > 0) {
                l.selectorSlots[selectorCount >> 3] = selectorSlot;
            }

            emit DiamondCut(facetCuts, target, data);
            _initialize(target, data);
        }
    }

    function _addFacetSelectors(
        DiamondBaseStorage.Layout storage l,
        uint256 selectorCount,
        bytes32 selectorSlot,
        FacetCut memory facetCut
    ) internal returns (uint256, bytes32) {
        unchecked {
            if (
                facetCut.target != address(this) &&
                !facetCut.target.isContract()
            ) revert DiamondWritable__TargetHasNoCode();

            for (uint256 i; i < facetCut.selectors.length; i++) {
                bytes4 selector = facetCut.selectors[i];
                bytes32 oldFacet = l.facets[selector];

                if (address(bytes20(oldFacet)) != address(0))
                    revert DiamondWritable__SelectorAlreadyAdded();

                // add facet for selector
                l.facets[selector] =
                    bytes20(facetCut.target) |
                    bytes32(selectorCount);
                uint256 selectorInSlotPosition = (selectorCount & 7) << 5;

                // clear selector position in slot and add selector
                selectorSlot =
                    (selectorSlot &
                        ~(CLEAR_SELECTOR_MASK >> selectorInSlotPosition)) |
                    (bytes32(selector) >> selectorInSlotPosition);

                // if slot is full then write it to storage
                if (selectorInSlotPosition == 224) {
                    l.selectorSlots[selectorCount >> 3] = selectorSlot;
                    selectorSlot = 0;
                }

                selectorCount++;
            }

            return (selectorCount, selectorSlot);
        }
    }

    function _removeFacetSelectors(
        DiamondBaseStorage.Layout storage l,
        uint256 selectorCount,
        bytes32 selectorSlot,
        FacetCut memory facetCut
    ) internal returns (uint256, bytes32) {
        unchecked {
            if (facetCut.target != address(0))
                revert DiamondWritable__RemoveTargetNotZeroAddress();

            uint256 selectorSlotCount = selectorCount >> 3;
            uint256 selectorInSlotIndex = selectorCount & 7;

            for (uint256 i; i < facetCut.selectors.length; i++) {
                bytes4 selector = facetCut.selectors[i];
                bytes32 oldFacet = l.facets[selector];

                if (address(bytes20(oldFacet)) == address(0))
                    revert DiamondWritable__SelectorNotFound();

                if (address(bytes20(oldFacet)) == address(this))
                    revert DiamondWritable__SelectorIsImmutable();

                if (selectorSlot == 0) {
                    selectorSlotCount--;
                    selectorSlot = l.selectorSlots[selectorSlotCount];
                    selectorInSlotIndex = 7;
                } else {
                    selectorInSlotIndex--;
                }

                bytes4 lastSelector;
                uint256 oldSelectorsSlotCount;
                uint256 oldSelectorInSlotPosition;

                // adding a block here prevents stack too deep error
                {
                    // replace selector with last selector in l.facets
                    lastSelector = bytes4(
                        selectorSlot << (selectorInSlotIndex << 5)
                    );

                    if (lastSelector != selector) {
                        // update last selector slot position info
                        l.facets[lastSelector] =
                            (oldFacet & CLEAR_ADDRESS_MASK) |
                            bytes20(l.facets[lastSelector]);
                    }

                    delete l.facets[selector];
                    uint256 oldSelectorCount = uint16(uint256(oldFacet));
                    oldSelectorsSlotCount = oldSelectorCount >> 3;
                    oldSelectorInSlotPosition = (oldSelectorCount & 7) << 5;
                }

                if (oldSelectorsSlotCount != selectorSlotCount) {
                    bytes32 oldSelectorSlot = l.selectorSlots[
                        oldSelectorsSlotCount
                    ];

                    // clears the selector we are deleting and puts the last selector in its place.
                    oldSelectorSlot =
                        (oldSelectorSlot &
                            ~(CLEAR_SELECTOR_MASK >>
                                oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);

                    // update storage with the modified slot
                    l.selectorSlots[oldSelectorsSlotCount] = oldSelectorSlot;
                } else {
                    // clears the selector we are deleting and puts the last selector in its place.
                    selectorSlot =
                        (selectorSlot &
                            ~(CLEAR_SELECTOR_MASK >>
                                oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);
                }

                if (selectorInSlotIndex == 0) {
                    delete l.selectorSlots[selectorSlotCount];
                    selectorSlot = 0;
                }
            }

            selectorCount = (selectorSlotCount << 3) | selectorInSlotIndex;

            return (selectorCount, selectorSlot);
        }
    }

    function _replaceFacetSelectors(
        DiamondBaseStorage.Layout storage l,
        FacetCut memory facetCut
    ) internal {
        unchecked {
            if (!facetCut.target.isContract())
                revert DiamondWritable__TargetHasNoCode();

            for (uint256 i; i < facetCut.selectors.length; i++) {
                bytes4 selector = facetCut.selectors[i];
                bytes32 oldFacet = l.facets[selector];
                address oldFacetAddress = address(bytes20(oldFacet));

                if (oldFacetAddress == address(0))
                    revert DiamondWritable__SelectorNotFound();
                if (oldFacetAddress == address(this))
                    revert DiamondWritable__SelectorIsImmutable();
                if (oldFacetAddress == facetCut.target)
                    revert DiamondWritable__ReplaceTargetIsIdentical();

                // replace old facet address
                l.facets[selector] =
                    (oldFacet & CLEAR_ADDRESS_MASK) |
                    bytes20(facetCut.target);
            }
        }
    }

    function _initialize(address target, bytes memory data) private {
        if ((target == address(0)) != (data.length == 0))
            revert DiamondWritable__InvalidInitializationParameters();

        if (target != address(0)) {
            if (target != address(this)) {
                if (!target.isContract())
                    revert DiamondWritable__TargetHasNoCode();
            }

            (bool success, ) = target.delegatecall(data);

            if (!success) {
                assembly {
                    returndatacopy(0, 0, returndatasize())
                    revert(0, returndatasize())
                }
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IDiamondWritableInternal } from './IDiamondWritableInternal.sol';

/**
 * @title Diamond proxy upgrade interface
 * @dev see https://eips.ethereum.org/EIPS/eip-2535
 */
interface IDiamondWritable is IDiamondWritableInternal {
    /**
     * @notice update diamond facets and optionally execute arbitrary initialization function
     * @param facetCuts array of structured Diamond facet update data
     * @param target optional target of initialization delegatecall
     * @param data optional initialization function call data
     */
    function diamondCut(
        FacetCut[] calldata facetCuts,
        address target,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

interface IDiamondWritableInternal {
    enum FacetCutAction {
        ADD,
        REPLACE,
        REMOVE
    }

    event DiamondCut(FacetCut[] facetCuts, address target, bytes data);

    error DiamondWritable__InvalidInitializationParameters();
    error DiamondWritable__RemoveTargetNotZeroAddress();
    error DiamondWritable__ReplaceTargetIsIdentical();
    error DiamondWritable__SelectorAlreadyAdded();
    error DiamondWritable__SelectorIsImmutable();
    error DiamondWritable__SelectorNotFound();
    error DiamondWritable__SelectorNotSpecified();
    error DiamondWritable__TargetHasNoCode();

    struct FacetCut {
        address target;
        FacetCutAction action;
        bytes4[] selectors;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

interface IProxy {
    error Proxy__ImplementationIsNotContract();

    fallback() external payable;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { AddressUtils } from '../utils/AddressUtils.sol';
import { IProxy } from './IProxy.sol';

/**
 * @title Base proxy contract
 */
abstract contract Proxy is IProxy {
    using AddressUtils for address;

    /**
     * @notice delegate all calls to implementation contract
     * @dev reverts if implementation address contains no code, for compatibility with metamorphic contracts
     * @dev memory location in use by assembly may be unsafe in other contexts
     */
    fallback() external payable virtual {
        address implementation = _getImplementation();

        if (!implementation.isContract())
            revert Proxy__ImplementationIsNotContract();

        assembly {
            calldatacopy(0, 0, calldatasize())
            let result := delegatecall(
                gas(),
                implementation,
                0,
                calldatasize(),
                0,
                0
            )
            returndatacopy(0, 0, returndatasize())

            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @notice get logic implementation address
     * @return implementation address
     */
    function _getImplementation() internal virtual returns (address);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IPausableInternal } from './IPausableInternal.sol';

interface IPausable is IPausableInternal {
    /**
     * @notice query whether contract is paused
     * @return status whether contract is paused
     */
    function paused() external view returns (bool status);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

interface IPausableInternal {
    error Pausable__Paused();
    error Pausable__NotPaused();

    event Paused(address account);
    event Unpaused(address account);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IPausable } from './IPausable.sol';
import { PausableInternal } from './PausableInternal.sol';

/**
 * @title Pausable security control module.
 */
abstract contract Pausable is IPausable, PausableInternal {
    /**
     * @inheritdoc IPausable
     */
    function paused() external view virtual returns (bool status) {
        status = _paused();
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IPausableInternal } from './IPausableInternal.sol';
import { PausableStorage } from './PausableStorage.sol';

/**
 * @title Internal functions for Pausable security control module.
 */
abstract contract PausableInternal is IPausableInternal {
    modifier whenNotPaused() {
        if (_paused()) revert Pausable__Paused();
        _;
    }

    modifier whenPaused() {
        if (!_paused()) revert Pausable__NotPaused();
        _;
    }

    /**
     * @notice query whether contract is paused
     * @return status whether contract is paused
     */
    function _paused() internal view virtual returns (bool status) {
        status = PausableStorage.layout().paused;
    }

    /**
     * @notice Triggers paused state, when contract is unpaused.
     */
    function _pause() internal virtual whenNotPaused {
        PausableStorage.layout().paused = true;
        emit Paused(msg.sender);
    }

    /**
     * @notice Triggers unpaused state, when contract is paused.
     */
    function _unpause() internal virtual whenPaused {
        delete PausableStorage.layout().paused;
        emit Unpaused(msg.sender);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

library PausableStorage {
    struct Layout {
        bool paused;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.Pausable');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IReentrancyGuard {
    error ReentrancyGuard__ReentrantCall();
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { IReentrancyGuard } from './IReentrancyGuard.sol';
import { ReentrancyGuardStorage } from './ReentrancyGuardStorage.sol';

/**
 * @title Utility contract for preventing reentrancy attacks
 */
abstract contract ReentrancyGuard is IReentrancyGuard {
    uint256 internal constant REENTRANCY_STATUS_LOCKED = 2;
    uint256 internal constant REENTRANCY_STATUS_UNLOCKED = 1;

    modifier nonReentrant() virtual {
        if (_isReentrancyGuardLocked()) revert ReentrancyGuard__ReentrantCall();
        _lockReentrancyGuard();
        _;
        _unlockReentrancyGuard();
    }

    /**
     * @notice returns true if the reentrancy guard is locked, false otherwise
     */
    function _isReentrancyGuardLocked() internal view virtual returns (bool) {
        return
            ReentrancyGuardStorage.layout().status == REENTRANCY_STATUS_LOCKED;
    }

    /**
     * @notice lock functions that use the nonReentrant modifier
     */
    function _lockReentrancyGuard() internal virtual {
        ReentrancyGuardStorage.layout().status = REENTRANCY_STATUS_LOCKED;
    }

    /**
     * @notice unlock functions that use the nonReentrant modifier
     */
    function _unlockReentrancyGuard() internal virtual {
        ReentrancyGuardStorage.layout().status = REENTRANCY_STATUS_UNLOCKED;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

library ReentrancyGuardStorage {
    struct Layout {
        uint256 status;
    }

    bytes32 internal constant STORAGE_SLOT =
        keccak256('solidstate.contracts.storage.ReentrancyGuard');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import { UintUtils } from './UintUtils.sol';

library AddressUtils {
    using UintUtils for uint256;

    error AddressUtils__InsufficientBalance();
    error AddressUtils__NotContract();
    error AddressUtils__SendValueFailed();

    function toString(address account) internal pure returns (string memory) {
        return uint256(uint160(account)).toHexString(20);
    }

    function isContract(address account) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    function sendValue(address payable account, uint256 amount) internal {
        (bool success, ) = account.call{ value: amount }('');
        if (!success) revert AddressUtils__SendValueFailed();
    }

    function functionCall(
        address target,
        bytes memory data
    ) internal returns (bytes memory) {
        return
            functionCall(target, data, 'AddressUtils: failed low-level call');
    }

    function functionCall(
        address target,
        bytes memory data,
        string memory error
    ) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, error);
    }

    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return
            functionCallWithValue(
                target,
                data,
                value,
                'AddressUtils: failed low-level call with value'
            );
    }

    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory error
    ) internal returns (bytes memory) {
        if (value > address(this).balance)
            revert AddressUtils__InsufficientBalance();
        return _functionCallWithValue(target, data, value, error);
    }

    /**
     * @notice execute arbitrary external call with limited gas usage and amount of copied return data
     * @dev derived from https://github.com/nomad-xyz/ExcessivelySafeCall (MIT License)
     * @param target recipient of call
     * @param gasAmount gas allowance for call
     * @param value native token value to include in call
     * @param maxCopy maximum number of bytes to copy from return data
     * @param data encoded call data
     * @return success whether call is successful
     * @return returnData copied return data
     */
    function excessivelySafeCall(
        address target,
        uint256 gasAmount,
        uint256 value,
        uint16 maxCopy,
        bytes memory data
    ) internal returns (bool success, bytes memory returnData) {
        returnData = new bytes(maxCopy);

        assembly {
            // execute external call via assembly to avoid automatic copying of return data
            success := call(
                gasAmount,
                target,
                value,
                add(data, 0x20),
                mload(data),
                0,
                0
            )

            // determine whether to limit amount of data to copy
            let toCopy := returndatasize()

            if gt(toCopy, maxCopy) {
                toCopy := maxCopy
            }

            // store the length of the copied bytes
            mstore(returnData, toCopy)

            // copy the bytes from returndata[0:toCopy]
            returndatacopy(add(returnData, 0x20), 0, toCopy)
        }
    }

    function _functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory error
    ) private returns (bytes memory) {
        if (!isContract(target)) revert AddressUtils__NotContract();

        (bool success, bytes memory returnData) = target.call{ value: value }(
            data
        );

        if (success) {
            return returnData;
        } else if (returnData.length > 0) {
            assembly {
                let returnData_size := mload(returnData)
                revert(add(32, returnData), returnData_size)
            }
        } else {
            revert(error);
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

/**
 * @title utility functions for uint256 operations
 * @dev derived from https://github.com/OpenZeppelin/openzeppelin-contracts/ (MIT license)
 */
library UintUtils {
    error UintUtils__InsufficientHexLength();

    bytes16 private constant HEX_SYMBOLS = '0123456789abcdef';

    function add(uint256 a, int256 b) internal pure returns (uint256) {
        return b < 0 ? sub(a, -b) : a + uint256(b);
    }

    function sub(uint256 a, int256 b) internal pure returns (uint256) {
        return b < 0 ? add(a, -b) : a - uint256(b);
    }

    function toString(uint256 value) internal pure returns (string memory) {
        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);
    }

    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return '0x00';
        }

        uint256 length = 0;

        for (uint256 temp = value; temp != 0; temp >>= 8) {
            unchecked {
                length++;
            }
        }

        return toHexString(value, 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';

        unchecked {
            for (uint256 i = 2 * length + 1; i > 1; --i) {
                buffer[i] = HEX_SYMBOLS[value & 0xf];
                value >>= 4;
            }
        }

        if (value != 0) revert UintUtils__InsufficientHexLength();

        return string(buffer);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @dev The default token decimals value
 */
uint256 constant DECIMALS_DEFAULT = 18;

/**
 * @dev The maximum uint256 value for swap amount limit settings
 */
uint256 constant INFINITY = type(uint256).max;

/**
 * @dev The default limit of account list size
 */
uint256 constant LIST_SIZE_LIMIT_DEFAULT = 100;

/**
 * @dev The limit of swap router list size
 */
uint256 constant LIST_SIZE_LIMIT_ROUTERS = 200;

/**
 * @dev The factor for percentage settings. Example: 100 is 0.1%
 */
uint256 constant MILLIPERCENT_FACTOR = 100_000;

/**
 * @dev The de facto standard address to denote the native token
 */
address constant NATIVE_TOKEN_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @notice Emitted when an approval action fails
 */
error SafeApproveError();

/**
 * @notice Emitted when a transfer action fails
 */
error SafeTransferError();

/**
 * @notice Emitted when a transferFrom action fails
 */
error SafeTransferFromError();

/**
 * @notice Emitted when a transfer of the native token fails
 */
error SafeTransferNativeError();

/**
 * @notice Safely approve the token to the account
 * @param _token The token address
 * @param _to The token approval recipient address
 * @param _value The token approval amount
 */
function safeApprove(address _token, address _to, uint256 _value) {
    // 0x095ea7b3 is the selector for "approve(address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0x095ea7b3, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeApproveError();
    }
}

/**
 * @notice Safely transfer the token to the account
 * @param _token The token address
 * @param _to The token transfer recipient address
 * @param _value The token transfer amount
 */
function safeTransfer(address _token, address _to, uint256 _value) {
    // 0xa9059cbb is the selector for "transfer(address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0xa9059cbb, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeTransferError();
    }
}

/**
 * @notice Safely transfer the token between the accounts
 * @param _token The token address
 * @param _from The token transfer source address
 * @param _to The token transfer recipient address
 * @param _value The token transfer amount
 */
function safeTransferFrom(address _token, address _from, address _to, uint256 _value) {
    // 0x23b872dd is the selector for "transferFrom(address,address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0x23b872dd, _from, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeTransferFromError();
    }
}

/**
 * @notice Safely transfer the native token to the account
 * @param _to The native token transfer recipient address
 * @param _value The native token transfer amount
 */
function safeTransferNative(address _to, uint256 _value) {
    (bool success, ) = _to.call{ value: _value }(new bytes(0));

    if (!success) {
        revert SafeTransferNativeError();
    }
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title ITokenBalance
 * @notice Token balance interface
 */
interface ITokenBalance {
    /**
     * @notice Getter of the token balance by the account
     * @param _account The account address
     * @return Token balance
     */
    function balanceOf(address _account) external view returns (uint256);
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title OFTWrapperStorage
 * @notice OFTWrapperDiamond storage
 */
library OFTWrapperStorage {
    /**
     * @notice OFTWrapperDiamond storage layout
     * @param collector The address of the collector
     */
    struct Layout {
        address collector;
    }

    bytes32 internal constant STORAGE_SLOT = keccak256('interport.oft.wrapper.OFTWrapperDiamond');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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IDiamondWritableInternal.FacetCutAction","name":"action","type":"uint8"},{"internalType":"bytes4[]","name":"selectors","type":"bytes4[]"}],"indexed":false,"internalType":"struct IDiamondWritableInternal.FacetCut[]","name":"facetCuts","type":"tuple[]"},{"indexed":false,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"DiamondCut","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collector","type":"address"}],"name":"SetCollector","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"SYSTEM_VERSION_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"cleanup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"}],"name":"cleanupWithAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"collector","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"enum IDiamondWritableInternal.FacetCutAction","name":"action","type":"uint8"},{"internalType":"bytes4[]","name":"selectors","type":"bytes4[]"}],"internalType":"struct IDiamondWritableInternal.FacetCut[]","name":"facetCuts","type":"tuple[]"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"diamondCut","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"selector","type":"bytes4"}],"name":"facetAddress","outputs":[{"internalType":"address","name":"facet","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"facetAddresses","outputs":[{"internalType":"address[]","name":"addresses","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"facet","type":"address"}],"name":"facetFunctionSelectors","outputs":[{"internalType":"bytes4[]","name":"selectors","type":"bytes4[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"facets","outputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4[]","name":"selectors","type":"bytes4[]"}],"internalType":"struct IDiamondReadable.Facet[]","name":"diamondFacets","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"forceTransferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getFallbackAddress","outputs":[{"internalType":"address","name":"fallbackAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nomineeOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"status","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_collector","type":"address"}],"name":"setCollector","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"fallbackAddress","type":"address"}],"name":"setFallbackAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"tokenBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000070287bd7a8e1b6deb354b0df11130b3be03d1ece0000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _collector (address): 0x70287bd7A8e1b6deb354b0dF11130b3be03D1Ece
Arg [1] : _owner (address): 0x0000000000000000000000000000000000000000

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000070287bd7a8e1b6deb354b0df11130b3be03d1ece
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000