ETH Price: $3,107.75 (+1.15%)
Gas: 6 Gwei

Contract

0xDa9657d4b73dBa5231e5A07652faB8f002BAAE84
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Value
Bridge To Multic...172777652023-05-17 7:05:11420 days ago1684307111IN
0xDa9657d4...002BAAE84
0.04 ETH0.0063147336.86424168
Swap And Bridge ...172287432023-05-10 8:12:35427 days ago1683706355IN
0xDa9657d4...002BAAE84
0.008 ETH0.0160788452.47681102
Bridge To Multic...171742102023-05-02 16:15:35435 days ago1683044135IN
0xDa9657d4...002BAAE84
0.69 ETH0.0161806494.4595671
Relay Swap Route...171538732023-04-29 19:39:35438 days ago1682797175IN
0xDa9657d4...002BAAE84
0 ETH0.0060521333.03367742
Diamond Cut171416282023-04-28 2:21:35439 days ago1682648495IN
0xDa9657d4...002BAAE84
0 ETH0.004615931.67178905
Bridge To Multic...171349782023-04-27 3:54:23440 days ago1682567663IN
0xDa9657d4...002BAAE84
0.03 ETH0.0060575935.3631405
Bridge To Multic...171286532023-04-26 6:34:59441 days ago1682490899IN
0xDa9657d4...002BAAE84
0.032 ETH0.0070106640.92980849
Bridge To Multic...171215392023-04-25 6:36:47442 days ago1682404607IN
0xDa9657d4...002BAAE84
0.47 ETH0.005638132.91191765
Swap And Bridge ...171073212023-04-23 6:46:23444 days ago1682232383IN
0xDa9657d4...002BAAE84
0.043 ETH0.0087474533.52941038
Bridge To Multic...171052992023-04-22 23:57:59444 days ago1682207879IN
0xDa9657d4...002BAAE84
0.5425 ETH0.010463461.08484423
Bridge To Multic...170960532023-04-21 16:50:11446 days ago1682095811IN
0xDa9657d4...002BAAE84
2.75 ETH0.0065060437.98105633
Bridge To Multic...170959692023-04-21 16:33:23446 days ago1682094803IN
0xDa9657d4...002BAAE84
0.01 ETH0.0070782841.32460065
Add Dex170870122023-04-20 10:06:23447 days ago1681985183IN
0xDa9657d4...002BAAE84
0 ETH0.0028095554.07039377
Diamond Cut170870062023-04-20 10:05:11447 days ago1681985111IN
0xDa9657d4...002BAAE84
0 ETH0.0049966152.49865651
Diamond Cut170870052023-04-20 10:04:59447 days ago1681985099IN
0xDa9657d4...002BAAE84
0 ETH0.0068539452.56014361
Diamond Cut170866852023-04-20 8:59:23447 days ago1681981163IN
0xDa9657d4...002BAAE84
0 ETH0.0073386548.50978916
Swap And Bridge ...170434692023-04-14 5:48:59453 days ago1681451339IN
0xDa9657d4...002BAAE84
0.06 ETH0.0076993325.65196078
Swap And Bridge ...170434622023-04-14 5:47:35453 days ago1681451255IN
0xDa9657d4...002BAAE84
0.06 ETH0.0092805425.29083246
Swap Router170420242023-04-14 0:52:35453 days ago1681433555IN
0xDa9657d4...002BAAE84
0 ETH0.0043993238.48862969
Diamond Cut169953622023-04-07 8:11:47460 days ago1680855107IN
0xDa9657d4...002BAAE84
0 ETH0.0034489921.89410283
Update Kava Addr...169814152023-04-05 8:31:35462 days ago1680683495IN
0xDa9657d4...002BAAE84
0 ETH0.001541528.1429794
Update Address M...169814132023-04-05 8:31:11462 days ago1680683471IN
0xDa9657d4...002BAAE84
0 ETH0.0015508428.30525365
Init Multichain169814112023-04-05 8:30:47462 days ago1680683447IN
0xDa9657d4...002BAAE84
0 ETH0.0015827829.1429794
Init Multichain169802322023-04-05 4:27:35462 days ago1680668855IN
0xDa9657d4...002BAAE84
0 ETH0.0040229832.56922133
Update Kava Addr...169801942023-04-05 4:19:47462 days ago1680668387IN
0xDa9657d4...002BAAE84
0 ETH0.0036184235.49350806
View all transactions

Latest 12 internal transactions

Advanced mode:
Parent Transaction Hash Block From To Value
172777652023-05-17 7:05:11420 days ago1684307111
0xDa9657d4...002BAAE84
0.04 ETH
172287432023-05-10 8:12:35427 days ago1683706355
0xDa9657d4...002BAAE84
0.008 ETH
171742102023-05-02 16:15:35435 days ago1683044135
0xDa9657d4...002BAAE84
0.69 ETH
171349782023-04-27 3:54:23440 days ago1682567663
0xDa9657d4...002BAAE84
0.03 ETH
171286532023-04-26 6:34:59441 days ago1682490899
0xDa9657d4...002BAAE84
0.032 ETH
171215392023-04-25 6:36:47442 days ago1682404607
0xDa9657d4...002BAAE84
0.47 ETH
171073212023-04-23 6:46:23444 days ago1682232383
0xDa9657d4...002BAAE84
0.043 ETH
171052992023-04-22 23:57:59444 days ago1682207879
0xDa9657d4...002BAAE84
0.5425 ETH
170960532023-04-21 16:50:11446 days ago1682095811
0xDa9657d4...002BAAE84
2.75 ETH
170959692023-04-21 16:33:23446 days ago1682094803
0xDa9657d4...002BAAE84
0.01 ETH
170434692023-04-14 5:48:59453 days ago1681451339
0xDa9657d4...002BAAE84
0.06 ETH
170434622023-04-14 5:47:35453 days ago1681451255
0xDa9657d4...002BAAE84
0.06 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
PlexusDiamond

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 10 : PlexusDiamond.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import {LibDiamond} from "./libraries/LibDiamond.sol";
import {IDiamondCut} from "./interfaces/IDiamondCut.sol";

contract PlexusDiamond {
    constructor(address _contractOwner, address _diamondCutFacet) payable {
        LibDiamond.setContractOwner(_contractOwner);

        // Add the diamondCut external function from the diamondCutFacet
        IDiamondCut.FacetCut[] memory cut = new IDiamondCut.FacetCut[](1);
        bytes4[] memory functionSelectors = new bytes4[](1);
        functionSelectors[0] = IDiamondCut.diamondCut.selector;
        cut[0] = IDiamondCut.FacetCut({facetAddress: _diamondCutFacet, action: IDiamondCut.FacetCutAction.Add, functionSelectors: functionSelectors});
        LibDiamond.diamondCut(cut, address(0), "");
    }

    // Find facet for function that is called and execute the
    // function if a facet is found and return any value.
    // solhint-disable-next-line no-complex-fallback
    fallback() external payable {
        LibDiamond.DiamondStorage storage ds;
        bytes32 position = LibDiamond.DIAMOND_STORAGE_POSITION;

        // get diamond storage
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ds.slot := position
        }

        // get facet from function selector
        address facet = ds.selectorToFacetAndPosition[msg.sig].facetAddress;

        if (facet == address(0)) {
            revert LibDiamond.FunctionDoesNotExist();
        }

        // Execute external function from facet using delegatecall and return any value.
        // solhint-disable-next-line no-inline-assembly
        assembly {
            // copy function selector and any arguments
            calldatacopy(0, 0, calldatasize())
            // execute function call using the facet
            let result := delegatecall(gas(), facet, 0, calldatasize(), 0, 0)
            // get any return value
            returndatacopy(0, 0, returndatasize())
            // return any return value or error back to the caller
            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    // Able to receive ether
    // solhint-disable-next-line no-empty-blocks
    receive() external payable {}
}

File 2 of 10 : GenericErrors.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

error SwapFailed();
error LengthNotMatch();
error TokenAddressIsZero();
error TokenNotSupported();
error CannotBridgeToSameNetwork();
error ZeroPostSwapBalance();
error NoSwapDataProvided();
error NativeValueWithERC();
error ContractCallNotAllowed();
error NullAddrIsNotAValidSpender();
error NullAddrIsNotAnERC20Token();
error NoTransferToNullAddress();
error NativeAssetTransferFailed();
error InvalidBridgeConfigLength();
error InvalidAmount();
error InvalidContract();
error InvalidConfig();
error UnsupportedChainId(uint256 chainId);
error InvalidReceiver();
error InvalidDestinationChain();
error InvalidSendingToken();
error InvalidCaller();
error AlreadyInitialized();
error NotInitialized();
error OnlyContractOwner();
error CannotAuthoriseSelf();
error RecoveryAddressCannotBeZero();
error CannotDepositNativeToken();
error InvalidCallData();
error NativeAssetNotSupported();
error UnAuthorized();
error NoSwapFromZeroBalance();
error InvalidFallbackAddress();
error CumulativeSlippageTooHigh(uint256 minAmount, uint256 receivedAmount);
error InsufficientBalance(uint256 required, uint256 balance);
error ZeroAmount();
error InvalidFee();
error InformationMismatch();
error NotAContract();
error NotEnoughBalance(uint256 requested, uint256 available);
error ReentrancyError();

File 3 of 10 : IDiamondCut.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

interface IDiamondCut {
    enum FacetCutAction {
        Add,
        Replace,
        Remove
    }
    // Add=0, Replace=1, Remove=2

    struct FacetCut {
        address facetAddress;
        FacetCutAction action;
        bytes4[] functionSelectors;
    }

    /// @notice Add/replace/remove any number of functions and optionally execute
    ///         a function with delegatecall
    /// @param _diamondCut Contains the facet addresses and function selectors
    /// @param _init The address of the contract or facet to execute _calldata
    /// @param _calldata A function call, including function selector and arguments
    ///                  _calldata is executed with delegatecall on _init
    function diamondCut(FacetCut[] calldata _diamondCut, address _init, bytes calldata _calldata) external;

    event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata);
}

File 4 of 10 : IERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

File 5 of 10 : Structs.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

struct BridgeInfo {
    string bridge;
    address dstToken;
    uint64 chainId;
    uint256 amount;
    address user;
}

struct SwapData {
    address swapRouter;
    address user;
    address srcToken;
    address dstToken;
    uint256 amount;
    bytes callData;
}

File 6 of 10 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 7 of 10 : LibData.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "../interfaces/Structs.sol";

library LibData {
    bytes32 internal constant BRIDGE_NAMESPACE = keccak256("diamond.standard.data.bridge");
    bytes32 internal constant STARGATE_NAMESPACE = keccak256("diamond.standard.data.stargate");

    struct BridgeData {
        mapping(bytes32 => BridgeInfo) transferInfo;
        mapping(bytes32 => bool) transfers;
    }

    struct StargateData {
        mapping(address => uint16) poolId;
        mapping(address => mapping(uint256 => uint16)) dstPoolId;
        mapping(uint256 => uint16) layerZeroId;
    }

    function bridgeStorage() internal pure returns (BridgeData storage ds) {
        bytes32 position = BRIDGE_NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ds.slot := position
        }
    }

    function stargateStorage() internal pure returns (StargateData storage s) {
        bytes32 position = STARGATE_NAMESPACE;
        assembly {
            s.slot := position
        }
    }

    function bridgeInfo(bytes32 tId, address srcToken, address toDstToken, uint64 chainId, uint256 amount, string memory bridge) internal {
        BridgeData storage bs = bridgeStorage();
        BridgeInfo memory tif = bs.transferInfo[tId];
        tif.dstToken = srcToken;
        tif.chainId = chainId;
        tif.amount = amount;
        tif.user = msg.sender;
        tif.bridge = bridge;
        bs.transferInfo[tId] = tif;

        emit Bridge(tif.user, tif.chainId, tif.dstToken, toDstToken, tif.amount, tId, tif.bridge);
    }

    event Bridge(address user, uint64 chainId, address srcToken, address toDstToken, uint256 fromAmount, bytes32 transferId, string bridge);

    event Swap(address user, address srcToken, address toToken, uint256 amount, uint256 returnAmount);

    event Relayswap(address receiver, address toToken, uint256 returnAmount);
}

File 8 of 10 : LibDiamond.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import {IDiamondCut} from "../interfaces/IDiamondCut.sol";
import {LibPlexusUtil} from "../libraries/LibPlexusUtil.sol";
import {OnlyContractOwner} from "../Errors/GenericErrors.sol";

/// Implementation of EIP-2535 Diamond Standard
/// https://eips.ethereum.org/EIPS/eip-2535
library LibDiamond {
    bytes32 internal constant DIAMOND_STORAGE_POSITION = keccak256("diamond.standard.diamond.storage");

    // Diamond specific errors
    error IncorrectFacetCutAction();
    error NoSelectorsInFace();
    error FunctionAlreadyExists();
    error FacetAddressIsZero();
    error FacetAddressIsNotZero();
    error FacetContainsNoCode();
    error FunctionDoesNotExist();
    error FunctionIsImmutable();
    error InitZeroButCalldataNotEmpty();
    error CalldataEmptyButInitNotZero();
    error InitReverted();
    // ----------------

    struct FacetAddressAndPosition {
        address facetAddress;
        uint96 functionSelectorPosition; // position in facetFunctionSelectors.functionSelectors array
    }

    struct FacetFunctionSelectors {
        bytes4[] functionSelectors;
        uint256 facetAddressPosition; // position of facetAddress in facetAddresses array
    }

    struct DiamondStorage {
        // maps function selector to the facet address and
        // the position of the selector in the facetFunctionSelectors.selectors array
        mapping(bytes4 => FacetAddressAndPosition) selectorToFacetAndPosition;
        // maps facet addresses to function selectors
        mapping(address => FacetFunctionSelectors) facetFunctionSelectors;
        // facet addresses
        address[] facetAddresses;
        // Used to query if a contract implements an interface.
        // Used to implement ERC-165.
        mapping(bytes4 => bool) supportedInterfaces;
        // owner of the contract
        address contractOwner;
        uint256 fee;
    }

    function diamondStorage() internal pure returns (DiamondStorage storage ds) {
        bytes32 position = DIAMOND_STORAGE_POSITION;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ds.slot := position
        }
    }

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    function setFeePercent(uint256 percent) internal {
        DiamondStorage storage ds = diamondStorage();
        ds.fee = percent;
    }

    function setContractOwner(address _newOwner) internal {
        DiamondStorage storage ds = diamondStorage();
        address previousOwner = ds.contractOwner;
        ds.contractOwner = _newOwner;
        emit OwnershipTransferred(previousOwner, _newOwner);
    }

    function contractOwner() internal view returns (address contractOwner_) {
        contractOwner_ = diamondStorage().contractOwner;
    }

    function enforceIsContractOwner() internal view {
        if (msg.sender != diamondStorage().contractOwner) revert OnlyContractOwner();
    }

    event DiamondCut(IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata);

    // Internal function version of diamondCut
    function diamondCut(IDiamondCut.FacetCut[] memory _diamondCut, address _init, bytes memory _calldata) internal {
        for (uint256 facetIndex; facetIndex < _diamondCut.length; ) {
            IDiamondCut.FacetCutAction action = _diamondCut[facetIndex].action;
            if (action == IDiamondCut.FacetCutAction.Add) {
                addFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors);
            } else if (action == IDiamondCut.FacetCutAction.Replace) {
                replaceFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors);
            } else if (action == IDiamondCut.FacetCutAction.Remove) {
                removeFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors);
            } else {
                revert IncorrectFacetCutAction();
            }
            unchecked {
                ++facetIndex;
            }
        }
        emit DiamondCut(_diamondCut, _init, _calldata);
        initializeDiamondCut(_init, _calldata);
    }

    function addFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal {
        if (_functionSelectors.length == 0) {
            revert NoSelectorsInFace();
        }
        DiamondStorage storage ds = diamondStorage();
        if (LibPlexusUtil.isZeroAddress(_facetAddress)) {
            revert FacetAddressIsZero();
        }
        uint96 selectorPosition = uint96(ds.facetFunctionSelectors[_facetAddress].functionSelectors.length);
        // add new facet address if it does not exist
        if (selectorPosition == 0) {
            addFacet(ds, _facetAddress);
        }
        for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) {
            bytes4 selector = _functionSelectors[selectorIndex];
            address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress;
            if (!LibPlexusUtil.isZeroAddress(oldFacetAddress)) {
                revert FunctionAlreadyExists();
            }
            addFunction(ds, selector, selectorPosition, _facetAddress);
            unchecked {
                ++selectorPosition;
                ++selectorIndex;
            }
        }
    }

    function replaceFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal {
        if (_functionSelectors.length == 0) {
            revert NoSelectorsInFace();
        }
        DiamondStorage storage ds = diamondStorage();
        if (LibPlexusUtil.isZeroAddress(_facetAddress)) {
            revert FacetAddressIsZero();
        }
        uint96 selectorPosition = uint96(ds.facetFunctionSelectors[_facetAddress].functionSelectors.length);
        // add new facet address if it does not exist
        if (selectorPosition == 0) {
            addFacet(ds, _facetAddress);
        }
        for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) {
            bytes4 selector = _functionSelectors[selectorIndex];
            address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress;
            if (oldFacetAddress == _facetAddress) {
                revert FunctionAlreadyExists();
            }
            removeFunction(ds, oldFacetAddress, selector);
            addFunction(ds, selector, selectorPosition, _facetAddress);
            unchecked {
                ++selectorPosition;
                ++selectorIndex;
            }
        }
    }

    function removeFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal {
        if (_functionSelectors.length == 0) {
            revert NoSelectorsInFace();
        }
        DiamondStorage storage ds = diamondStorage();
        // if function does not exist then do nothing and return
        if (!LibPlexusUtil.isZeroAddress(_facetAddress)) {
            revert FacetAddressIsNotZero();
        }
        for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) {
            bytes4 selector = _functionSelectors[selectorIndex];
            address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress;
            removeFunction(ds, oldFacetAddress, selector);
            unchecked {
                ++selectorIndex;
            }
        }
    }

    function addFacet(DiamondStorage storage ds, address _facetAddress) internal {
        enforceHasContractCode(_facetAddress);
        ds.facetFunctionSelectors[_facetAddress].facetAddressPosition = ds.facetAddresses.length;
        ds.facetAddresses.push(_facetAddress);
    }

    function addFunction(DiamondStorage storage ds, bytes4 _selector, uint96 _selectorPosition, address _facetAddress) internal {
        ds.selectorToFacetAndPosition[_selector].functionSelectorPosition = _selectorPosition;
        ds.facetFunctionSelectors[_facetAddress].functionSelectors.push(_selector);
        ds.selectorToFacetAndPosition[_selector].facetAddress = _facetAddress;
    }

    function removeFunction(DiamondStorage storage ds, address _facetAddress, bytes4 _selector) internal {
        if (LibPlexusUtil.isZeroAddress(_facetAddress)) {
            revert FunctionDoesNotExist();
        }
        // an immutable function is a function defined directly in a diamond
        if (_facetAddress == address(this)) {
            revert FunctionIsImmutable();
        }
        // replace selector with last selector, then delete last selector
        uint256 selectorPosition = ds.selectorToFacetAndPosition[_selector].functionSelectorPosition;
        uint256 lastSelectorPosition = ds.facetFunctionSelectors[_facetAddress].functionSelectors.length - 1;
        // if not the same then replace _selector with lastSelector
        if (selectorPosition != lastSelectorPosition) {
            bytes4 lastSelector = ds.facetFunctionSelectors[_facetAddress].functionSelectors[lastSelectorPosition];
            ds.facetFunctionSelectors[_facetAddress].functionSelectors[selectorPosition] = lastSelector;
            ds.selectorToFacetAndPosition[lastSelector].functionSelectorPosition = uint96(selectorPosition);
        }
        // delete the last selector
        ds.facetFunctionSelectors[_facetAddress].functionSelectors.pop();
        delete ds.selectorToFacetAndPosition[_selector];

        // if no more selectors for facet address then delete the facet address
        if (lastSelectorPosition == 0) {
            // replace facet address with last facet address and delete last facet address
            uint256 lastFacetAddressPosition = ds.facetAddresses.length - 1;
            uint256 facetAddressPosition = ds.facetFunctionSelectors[_facetAddress].facetAddressPosition;
            if (facetAddressPosition != lastFacetAddressPosition) {
                address lastFacetAddress = ds.facetAddresses[lastFacetAddressPosition];
                ds.facetAddresses[facetAddressPosition] = lastFacetAddress;
                ds.facetFunctionSelectors[lastFacetAddress].facetAddressPosition = facetAddressPosition;
            }
            ds.facetAddresses.pop();
            delete ds.facetFunctionSelectors[_facetAddress].facetAddressPosition;
        }
    }

    function initializeDiamondCut(address _init, bytes memory _calldata) internal {
        if (LibPlexusUtil.isZeroAddress(_init)) {
            if (_calldata.length != 0) {
                revert InitZeroButCalldataNotEmpty();
            }
        } else {
            if (_calldata.length == 0) {
                revert CalldataEmptyButInitNotZero();
            }
            if (_init != address(this)) {
                enforceHasContractCode(_init);
            }
            // solhint-disable-next-line avoid-low-level-calls
            (bool success, bytes memory error) = _init.delegatecall(_calldata);
            if (!success) {
                if (error.length > 0) {
                    // bubble up the error
                    revert(string(error));
                } else {
                    revert InitReverted();
                }
            }
        }
    }

    function enforceHasContractCode(address _contract) internal view {
        uint256 contractSize;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            contractSize := extcodesize(_contract)
        }
        if (contractSize == 0) {
            revert FacetContainsNoCode();
        }
    }
}

File 9 of 10 : LibPlexusUtil.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import {SwapFailed} from "../Errors/GenericErrors.sol";
import "../libraries/SafeERC20.sol";
import "../interfaces/Structs.sol";
import "./LibDiamond.sol";
import "./LibData.sol";

library LibPlexusUtil {
    using SafeERC20 for IERC20;
    IERC20 private constant NATIVE_ADDRESS = IERC20(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    /// @notice Determines whether the given address is the zero address
    /// @param addr The address to verify
    /// @return Boolean indicating if the address is the zero address
    function isZeroAddress(address addr) internal pure returns (bool) {
        return addr == address(0);
    }

    function getBalance(address token) internal view returns (uint256) {
        return token == address(NATIVE_ADDRESS) ? address(this).balance : IERC20(token).balanceOf(address(this));
    }

    function userBalance(address user, address token) internal view returns (uint256) {
        return token == address(NATIVE_ADDRESS) ? user.balance : IERC20(token).balanceOf(user);
    }

    function _isNative(address _token) internal pure returns (bool) {
        return (IERC20(_token) == NATIVE_ADDRESS);
    }

    function _isTokenDeposit(address _token, uint256 _amount) internal returns (bool isNotNative) {
        isNotNative = !_isNative(_token);

        if (isNotNative) {
            IERC20(_token).safeTransferFrom(msg.sender, address(this), _amount);
        }
    }

    function _tokenDepositAndSwap(SwapData calldata _swap) internal returns (uint256) {
        SwapData calldata swapData = _swap;
        _isTokenDeposit(swapData.srcToken, swapData.amount);
        uint256 dstAmount = _swapStart((swapData));
        return dstAmount;
    }

    function _tokenDepositAndUserSwap(SwapData calldata _swap) internal returns (uint256) {
        SwapData calldata swapData = _swap;
        _isTokenDeposit(swapData.srcToken, swapData.amount);
        uint256 dstAmount = _userSwapStart((swapData));
        return dstAmount;
    }

    function _swapStart(SwapData calldata swapData) internal returns (uint256 dstAmount) {
        SwapData calldata swap = swapData;
        bool isNotNative = !_isNative(swap.srcToken);
        if (isNotNative) {
            IERC20(swap.srcToken).approve(swap.swapRouter, swap.amount);
        }
        uint256 initDstTokenBalance = getBalance(swap.dstToken);
        (bool succ, ) = swap.swapRouter.call{value: isNotNative ? 0 : swap.amount}(swap.callData);
        if (succ) {
            uint256 dstTokenBalance = getBalance(swap.dstToken);
            dstAmount = dstTokenBalance > initDstTokenBalance ? dstTokenBalance - initDstTokenBalance : dstTokenBalance;
            emit LibData.Swap(swap.user, swap.srcToken, swap.dstToken, swap.amount, dstAmount);
        } else {
            revert SwapFailed();
        }
    }

    function _userSwapStart(SwapData calldata swapData) internal returns (uint256 dstAmount) {
        SwapData calldata swap = swapData;
        bool isNotNative = !_isNative(swap.srcToken);
        if (isNotNative) {
            IERC20(swap.srcToken).approve(swap.swapRouter, swap.amount);
        }
        uint256 initDstTokenBalance = userBalance(swap.user, swap.dstToken);
        (bool succ, ) = swap.swapRouter.call{value: isNotNative ? 0 : swap.amount}(swap.callData);
        if (succ) {
            uint256 dstTokenBalance = userBalance(swap.user, swap.dstToken);
            dstAmount = dstTokenBalance > initDstTokenBalance ? dstTokenBalance - initDstTokenBalance : dstTokenBalance;
            emit LibData.Swap(swap.user, swap.srcToken, swap.dstToken, swap.amount, dstAmount);
        } else {
            revert SwapFailed();
        }
    }

    function _safeNativeTransfer(address to_, uint256 amount_) internal {
        (bool sent, ) = to_.call{value: amount_}("");
        require(sent, "Safe safeTransfer fail");
    }

    function _fee(address dstToken, uint256 dstAmount) internal returns (uint256 returnAmount) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        uint256 getFee = (dstAmount * ds.fee) / 10000;
        returnAmount = dstAmount - getFee;
        if (getFee > 0) {
            if (!_isNative(dstToken)) {
                IERC20(dstToken).safeTransfer(ds.contractOwner, getFee);
            } else {
                _safeNativeTransfer(ds.contractOwner, getFee);
            }
        }
    }
}

File 10 of 10 : SafeERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../interfaces/IERC20.sol";
import "./Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance");
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_contractOwner","type":"address"},{"internalType":"address","name":"_diamondCutFacet","type":"address"}],"stateMutability":"payable","type":"constructor"},{"inputs":[],"name":"CalldataEmptyButInitNotZero","type":"error"},{"inputs":[],"name":"FacetAddressIsNotZero","type":"error"},{"inputs":[],"name":"FacetAddressIsZero","type":"error"},{"inputs":[],"name":"FacetContainsNoCode","type":"error"},{"inputs":[],"name":"FunctionAlreadyExists","type":"error"},{"inputs":[],"name":"FunctionDoesNotExist","type":"error"},{"inputs":[],"name":"FunctionIsImmutable","type":"error"},{"inputs":[],"name":"IncorrectFacetCutAction","type":"error"},{"inputs":[],"name":"InitReverted","type":"error"},{"inputs":[],"name":"InitZeroButCalldataNotEmpty","type":"error"},{"inputs":[],"name":"NoSelectorsInFace","type":"error"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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

000000000000000000000000b612cf824bff640b5f3e408eba5eaf2f46e1f09b000000000000000000000000becaed2405c802dbf92897c50227e5164a87a2a4

-----Decoded View---------------
Arg [0] : _contractOwner (address): 0xb612cF824bFf640b5F3E408Eba5EAf2F46E1F09B
Arg [1] : _diamondCutFacet (address): 0xBeCAeD2405C802Dbf92897c50227e5164a87a2A4

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000b612cf824bff640b5f3e408eba5eaf2f46e1f09b
Arg [1] : 000000000000000000000000becaed2405c802dbf92897c50227e5164a87a2a4


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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.