Contract 0xe7cA1F5E54cc0Be6c544F32CcE714FB484b0DfC4 5

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/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));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

error AlreadyInitialized();
error CannotAuthoriseSelf();
error CannotBridgeToSameNetwork();
error ContractCallNotAllowed();
error CumulativeSlippageTooHigh(uint256 minAmount, uint256 receivedAmount);
error ExternalCallFailed();
error InformationMismatch();
error InsufficientBalance(uint256 required, uint256 balance);
error InvalidAmount();
error InvalidCallData();
error InvalidConfig();
error InvalidContract();
error InvalidDestinationChain();
error InvalidFallbackAddress();
error InvalidReceiver();
error InvalidSendingToken();
error NativeAssetNotSupported();
error NativeAssetTransferFailed();
error NoSwapDataProvided();
error NoSwapFromZeroBalance();
error NotAContract();
error NotInitialized();
error NoTransferToNullAddress();
error NullAddrIsNotAnERC20Token();
error NullAddrIsNotAValidSpender();
error OnlyContractOwner();
error RecoveryAddressCannotBeZero();
error ReentrancyError();
error TokenNotSupported();
error UnAuthorized();
error UnsupportedChainId(uint256 chainId);
error ZeroAmount();

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { ILiFi } from "../Interfaces/ILiFi.sol";
import { IConnextHandler } from "../Interfaces/IConnextHandler.sol";
import { LibAsset, IERC20 } from "../Libraries/LibAsset.sol";
import { LibDiamond } from "../Libraries/LibDiamond.sol";
import { ReentrancyGuard } from "../Helpers/ReentrancyGuard.sol";
import { InformationMismatch } from "../Errors/GenericErrors.sol";
import { SwapperV2, LibSwap } from "../Helpers/SwapperV2.sol";
import { Validatable } from "../Helpers/Validatable.sol";
import { LibMappings } from "../Libraries/LibMappings.sol";

/// @title Amarok Facet
/// @author LI.FI (https://li.fi)
/// @notice Provides functionality for bridging through Connext Amarok
contract AmarokFacet is ILiFi, ReentrancyGuard, SwapperV2, Validatable {
    /// Storage ///

    /// @notice The contract address of the connext handler on the source chain.
    IConnextHandler private immutable connextHandler;

    /// @notice The domain of source chain.
    uint32 private immutable srcChainDomain;

    /// Errors ///

    error UnknownAmarokDomain(uint32 domain);

    /// Events ///

    event AmarokDomainSet(uint256 indexed chainId, uint32 indexed domain);

    /// Types ///

    /// @param callData The data to execute on the receiving chain. If no crosschain call is needed, then leave empty.
    /// @param callTo The address of the contract on dest chain that will receive bridged funds and execute data
    /// @param relayerFee The amount of relayer fee the tx called xcall with
    /// @param slippageTol Max bps of original due to slippage (i.e. would be 9995 to tolerate .05% slippage)
    /// @param delegate Destination delegate address
    struct AmarokData {
        bytes callData;
        address callTo;
        uint256 relayerFee;
        uint256 slippageTol;
        address delegate;
    }

    /// Constructor ///

    /// @notice Initialize the contract.
    /// @param _connextHandler The contract address of the connext handler on the source chain.
    /// @param _srcChainDomain The domain of source chain.
    constructor(IConnextHandler _connextHandler, uint32 _srcChainDomain) {
        connextHandler = _connextHandler;
        srcChainDomain = _srcChainDomain;
    }

    /// External Methods ///

    /// @notice Bridges tokens via Amarok
    /// @param _bridgeData Data containing core information for bridging
    /// @param _amarokData Data specific to bridge
    function startBridgeTokensViaAmarok(
        BridgeData calldata _bridgeData,
        AmarokData calldata _amarokData
    )
        external
        payable
        nonReentrant
        refundExcessNative(payable(msg.sender))
        doesNotContainSourceSwaps(_bridgeData)
        validateBridgeData(_bridgeData)
        noNativeAsset(_bridgeData)
    {
        if (
            hasDestinationCall(_amarokData) != _bridgeData.hasDestinationCall
        ) {
            revert InformationMismatch();
        }

        LibAsset.depositAsset(
            _bridgeData.sendingAssetId,
            _bridgeData.minAmount
        );
        _startBridge(_bridgeData, _amarokData);
    }

    /// @notice Performs a swap before bridging via Amarok
    /// @param _bridgeData The core information needed for bridging
    /// @param _swapData An array of swap related data for performing swaps before bridging
    /// @param _amarokData Data specific to Amarok
    function swapAndStartBridgeTokensViaAmarok(
        BridgeData memory _bridgeData,
        LibSwap.SwapData[] calldata _swapData,
        AmarokData calldata _amarokData
    )
        external
        payable
        nonReentrant
        refundExcessNative(payable(msg.sender))
        containsSourceSwaps(_bridgeData)
        validateBridgeData(_bridgeData)
        noNativeAsset(_bridgeData)
    {
        if (
            hasDestinationCall(_amarokData) != _bridgeData.hasDestinationCall
        ) {
            revert InformationMismatch();
        }

        _bridgeData.minAmount = _depositAndSwap(
            _bridgeData.transactionId,
            _bridgeData.minAmount,
            _swapData,
            payable(msg.sender)
        );
        _startBridge(_bridgeData, _amarokData);
    }

    function setAmarokDomain(uint256 _chainId, uint32 _domain) external {
        LibDiamond.enforceIsContractOwner();
        LibMappings.AmarokMappings storage sm = LibMappings
            .getAmarokMappings();
        sm.amarokDomain[_chainId] = _domain;
        emit AmarokDomainSet(_chainId, _domain);
    }

    /// Private Methods ///

    /// @dev Contains the business logic for the bridge via Amarok
    /// @param _bridgeData The core information needed for bridging
    /// @param _amarokData Data specific to Amarok
    function _startBridge(
        BridgeData memory _bridgeData,
        AmarokData calldata _amarokData
    ) private {
        // get Amarok-specific domain for destination chain
        uint32 dstChainDomain = getAmarokDomain(
            _bridgeData.destinationChainId
        );

        // give max approval for token to Amarok bridge, if not already
        LibAsset.maxApproveERC20(
            IERC20(_bridgeData.sendingAssetId),
            address(connextHandler),
            _bridgeData.minAmount
        );

        address receiver = _bridgeData.hasDestinationCall
            ? _amarokData.callTo
            : _bridgeData.receiver;

        // initiate bridge transaction
        connextHandler.xcall{ value: _amarokData.relayerFee }(
            dstChainDomain,
            receiver,
            _bridgeData.sendingAssetId,
            _amarokData.delegate,
            _bridgeData.minAmount,
            _amarokData.slippageTol,
            _amarokData.callData
        );

        emit LiFiTransferStarted(_bridgeData);
    }

    function getAmarokDomain(uint256 _chainId) private view returns (uint32) {
        LibMappings.AmarokMappings storage sm = LibMappings
            .getAmarokMappings();
        uint32 domain = sm.amarokDomain[_chainId];
        if (domain == 0) {
            revert UnknownAmarokDomain(domain);
        }
        return domain;
    }

    function hasDestinationCall(AmarokData calldata _amarokData)
        private
        pure
        returns (bool)
    {
        return _amarokData.callData.length > 0;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;

/// @title Reentrancy Guard
/// @author LI.FI (https://li.fi)
/// @notice Abstract contract to provide protection against reentrancy
abstract contract ReentrancyGuard {
    /// Storage ///

    bytes32 private constant NAMESPACE = keccak256("com.lifi.reentrancyguard");

    /// Types ///

    struct ReentrancyStorage {
        uint256 status;
    }

    /// Errors ///

    error ReentrancyError();

    /// Constants ///

    uint256 private constant _NOT_ENTERED = 0;
    uint256 private constant _ENTERED = 1;

    /// Modifiers ///

    modifier nonReentrant() {
        ReentrancyStorage storage s = reentrancyStorage();
        if (s.status == _ENTERED) revert ReentrancyError();
        s.status = _ENTERED;
        _;
        s.status = _NOT_ENTERED;
    }

    /// Private Methods ///

    /// @dev fetch local storage
    function reentrancyStorage()
        private
        pure
        returns (ReentrancyStorage storage data)
    {
        bytes32 position = NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            data.slot := position
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { ILiFi } from "../Interfaces/ILiFi.sol";
import { LibSwap } from "../Libraries/LibSwap.sol";
import { LibAsset } from "../Libraries/LibAsset.sol";
import { LibAllowList } from "../Libraries/LibAllowList.sol";
import { ContractCallNotAllowed, NoSwapDataProvided, CumulativeSlippageTooHigh } from "../Errors/GenericErrors.sol";

/// @title Swapper
/// @author LI.FI (https://li.fi)
/// @notice Abstract contract to provide swap functionality
contract SwapperV2 is ILiFi {
    /// Types ///

    /// @dev only used to get around "Stack Too Deep" errors
    struct ReserveData {
        bytes32 transactionId;
        address payable leftoverReceiver;
        uint256 nativeReserve;
    }

    /// Modifiers ///

    /// @dev Sends any leftover balances back to the user
    /// @notice Sends any leftover balances to the user
    /// @param _swaps Swap data array
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial token balances
    modifier noLeftovers(
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances
    ) {
        uint256 numSwaps = _swaps.length;
        if (numSwaps != 1) {
            address finalAsset = _swaps[numSwaps - 1].receivingAssetId;
            uint256 curBalance;

            _;

            for (uint256 i = 0; i < numSwaps - 1; ) {
                address curAsset = _swaps[i].receivingAssetId;
                // Handle multi-to-one swaps
                if (curAsset != finalAsset) {
                    curBalance =
                        LibAsset.getOwnBalance(curAsset) -
                        _initialBalances[i];
                    if (curBalance > 0) {
                        LibAsset.transferAsset(
                            curAsset,
                            _leftoverReceiver,
                            curBalance
                        );
                    }
                }
                unchecked {
                    ++i;
                }
            }
        } else {
            _;
        }
    }

    /// @dev Sends any leftover balances back to the user reserving native tokens
    /// @notice Sends any leftover balances to the user
    /// @param _swaps Swap data array
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial token balances
    modifier noLeftoversReserve(
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances,
        uint256 _nativeReserve
    ) {
        uint256 numSwaps = _swaps.length;
        if (numSwaps != 1) {
            address finalAsset = _swaps[numSwaps - 1].receivingAssetId;
            uint256 curBalance;

            _;

            for (uint256 i = 0; i < numSwaps - 1; ) {
                address curAsset = _swaps[i].receivingAssetId;
                // Handle multi-to-one swaps
                if (curAsset != finalAsset) {
                    curBalance =
                        LibAsset.getOwnBalance(curAsset) -
                        _initialBalances[i];
                    uint256 reserve = LibAsset.isNativeAsset(curAsset)
                        ? _nativeReserve
                        : 0;
                    if (curBalance > 0) {
                        LibAsset.transferAsset(
                            curAsset,
                            _leftoverReceiver,
                            curBalance - reserve
                        );
                    }
                }
                unchecked {
                    ++i;
                }
            }
        } else {
            _;
        }
    }

    /// @dev Refunds any excess native asset sent to the contract after the main function
    /// @notice Refunds any excess native asset sent to the contract after the main function
    /// @param _refundReceiver Address to send refunds to
    modifier refundExcessNative(address payable _refundReceiver) {
        uint256 initialBalance = address(this).balance - msg.value;
        _;
        uint256 finalBalance = address(this).balance;
        uint256 excess = finalBalance > initialBalance
            ? finalBalance - initialBalance
            : 0;
        if (excess > 0) {
            LibAsset.transferAsset(
                LibAsset.NATIVE_ASSETID,
                _refundReceiver,
                excess
            );
        }
    }

    /// Internal Methods ///

    /// @dev Deposits value, executes swaps, and performs minimum amount check
    /// @param _transactionId the transaction id associated with the operation
    /// @param _minAmount the minimum amount of the final asset to receive
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver The address to send leftover funds to
    /// @return uint256 result of the swap
    function _depositAndSwap(
        bytes32 _transactionId,
        uint256 _minAmount,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver
    ) internal returns (uint256) {
        uint256 numSwaps = _swaps.length;

        if (numSwaps == 0) {
            revert NoSwapDataProvided();
        }

        address finalTokenId = _swaps[numSwaps - 1].receivingAssetId;
        uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId);

        if (LibAsset.isNativeAsset(finalTokenId)) {
            initialBalance -= msg.value;
        }

        uint256[] memory initialBalances = _fetchBalances(_swaps);

        LibAsset.depositAssets(_swaps);
        _executeSwaps(
            _transactionId,
            _swaps,
            _leftoverReceiver,
            initialBalances
        );

        uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) -
            initialBalance;

        if (newBalance < _minAmount) {
            revert CumulativeSlippageTooHigh(_minAmount, newBalance);
        }

        return newBalance;
    }

    /// @dev Deposits value, executes swaps, and performs minimum amount check and reserves native token for fees
    /// @param _transactionId the transaction id associated with the operation
    /// @param _minAmount the minimum amount of the final asset to receive
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver The address to send leftover funds to
    /// @param _nativeReserve Amount of native token to prevent from being swept back to the caller
    function _depositAndSwap(
        bytes32 _transactionId,
        uint256 _minAmount,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256 _nativeReserve
    ) internal returns (uint256) {
        uint256 numSwaps = _swaps.length;

        if (numSwaps == 0) {
            revert NoSwapDataProvided();
        }

        address finalTokenId = _swaps[numSwaps - 1].receivingAssetId;
        uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId);

        if (LibAsset.isNativeAsset(finalTokenId)) {
            initialBalance -= msg.value;
        }

        uint256[] memory initialBalances = _fetchBalances(_swaps);

        LibAsset.depositAssets(_swaps);
        ReserveData memory rd = ReserveData(
            _transactionId,
            _leftoverReceiver,
            _nativeReserve
        );
        _executeSwaps(rd, _swaps, initialBalances);

        uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) -
            initialBalance;

        if (newBalance < _minAmount) {
            revert CumulativeSlippageTooHigh(_minAmount, newBalance);
        }

        return newBalance;
    }

    /// Private Methods ///

    /// @dev Executes swaps and checks that DEXs used are in the allowList
    /// @param _transactionId the transaction id associated with the operation
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial balances
    function _executeSwaps(
        bytes32 _transactionId,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances
    ) internal noLeftovers(_swaps, _leftoverReceiver, _initialBalances) {
        uint256 numSwaps = _swaps.length;
        for (uint256 i = 0; i < numSwaps; ) {
            LibSwap.SwapData calldata currentSwap = _swaps[i];

            if (
                !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) ||
                    LibAllowList.contractIsAllowed(currentSwap.approveTo)) &&
                    LibAllowList.contractIsAllowed(currentSwap.callTo) &&
                    LibAllowList.selectorIsAllowed(
                        bytes4(currentSwap.callData[:4])
                    ))
            ) revert ContractCallNotAllowed();

            LibSwap.swap(_transactionId, currentSwap);

            unchecked {
                ++i;
            }
        }
    }

    /// @dev Executes swaps and checks that DEXs used are in the allowList
    /// @param _reserveData Data passed used to reserve native tokens
    /// @param _swaps Array of data used to execute swaps
    function _executeSwaps(
        ReserveData memory _reserveData,
        LibSwap.SwapData[] calldata _swaps,
        uint256[] memory _initialBalances
    )
        internal
        noLeftoversReserve(
            _swaps,
            _reserveData.leftoverReceiver,
            _initialBalances,
            _reserveData.nativeReserve
        )
    {
        uint256 numSwaps = _swaps.length;
        for (uint256 i = 0; i < numSwaps; ) {
            LibSwap.SwapData calldata currentSwap = _swaps[i];

            if (
                !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) ||
                    LibAllowList.contractIsAllowed(currentSwap.approveTo)) &&
                    LibAllowList.contractIsAllowed(currentSwap.callTo) &&
                    LibAllowList.selectorIsAllowed(
                        bytes4(currentSwap.callData[:4])
                    ))
            ) revert ContractCallNotAllowed();

            LibSwap.swap(_reserveData.transactionId, currentSwap);

            unchecked {
                ++i;
            }
        }
    }

    /// @dev Fetches balances of tokens to be swapped before swapping.
    /// @param _swaps Array of data used to execute swaps
    /// @return uint256[] Array of token balances.
    function _fetchBalances(LibSwap.SwapData[] calldata _swaps)
        private
        view
        returns (uint256[] memory)
    {
        uint256 numSwaps = _swaps.length;
        uint256[] memory balances = new uint256[](numSwaps);
        address asset;
        for (uint256 i = 0; i < numSwaps; ) {
            asset = _swaps[i].receivingAssetId;
            balances[i] = LibAsset.getOwnBalance(asset);

            if (LibAsset.isNativeAsset(asset)) {
                balances[i] -= msg.value;
            }

            unchecked {
                ++i;
            }
        }

        return balances;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;

import { LibAsset } from "../Libraries/LibAsset.sol";
import { LibUtil } from "../Libraries/LibUtil.sol";
import { InvalidReceiver, InformationMismatch, InvalidSendingToken, InvalidAmount, NativeAssetNotSupported, InvalidDestinationChain, CannotBridgeToSameNetwork } from "../Errors/GenericErrors.sol";
import { ILiFi } from "../Interfaces/ILiFi.sol";
import { LibSwap } from "../Libraries/LibSwap.sol";

contract Validatable {
    modifier validateBridgeData(ILiFi.BridgeData memory _bridgeData) {
        if (LibUtil.isZeroAddress(_bridgeData.receiver)) {
            revert InvalidReceiver();
        }
        if (_bridgeData.minAmount == 0) {
            revert InvalidAmount();
        }
        if (_bridgeData.destinationChainId == block.chainid) {
            revert CannotBridgeToSameNetwork();
        }
        _;
    }

    modifier noNativeAsset(ILiFi.BridgeData memory _bridgeData) {
        if (LibAsset.isNativeAsset(_bridgeData.sendingAssetId)) {
            revert NativeAssetNotSupported();
        }
        _;
    }

    modifier onlyAllowSourceToken(
        ILiFi.BridgeData memory _bridgeData,
        address _token
    ) {
        if (_bridgeData.sendingAssetId != _token) {
            revert InvalidSendingToken();
        }
        _;
    }

    modifier onlyAllowDestinationChain(
        ILiFi.BridgeData memory _bridgeData,
        uint256 _chainId
    ) {
        if (_bridgeData.destinationChainId != _chainId) {
            revert InvalidDestinationChain();
        }
        _;
    }

    modifier containsSourceSwaps(ILiFi.BridgeData memory _bridgeData) {
        if (!_bridgeData.hasSourceSwaps) {
            revert InformationMismatch();
        }
        _;
    }

    modifier doesNotContainSourceSwaps(ILiFi.BridgeData memory _bridgeData) {
        if (_bridgeData.hasSourceSwaps) {
            revert InformationMismatch();
        }
        _;
    }

    modifier doesNotContainDestinationCalls(
        ILiFi.BridgeData memory _bridgeData
    ) {
        if (_bridgeData.hasDestinationCall) {
            revert InformationMismatch();
        }
        _;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

interface IConnextHandler {
    /// @notice These are the call parameters that will remain constant between the
    /// two chains. They are supplied on `xcall` and should be asserted on `execute`
    /// @property to - The account that receives funds, in the event of a crosschain call,
    /// will receive funds if the call fails.
    /// @param to - The address you are sending funds (and potentially data) to
    /// @param callData - The data to execute on the receiving chain. If no crosschain call is needed, then leave empty.
    /// @param originDomain - The originating domain (i.e. where `xcall` is called). Must match nomad domain schema
    /// @param destinationDomain - The final domain (i.e. where `execute` / `reconcile` are called). Must match nomad domain schema
    /// @param agent - An address who can execute txs on behalf of `to`, in addition to allowing relayers
    /// @param recovery - The address to send funds to if your `Executor.execute call` fails
    /// @param forceSlow - If true, will take slow liquidity path even if it is not a permissioned call
    /// @param receiveLocal - If true, will use the local nomad asset on the destination instead of adopted.
    /// @param callback - The address on the origin domain of the callback contract
    /// @param callbackFee - The relayer fee to execute the callback
    /// @param relayerFee - The amount of relayer fee the tx called xcall with
    /// @param slippageTol - Max bps of original due to slippage (i.e. would be 9995 to tolerate .05% slippage)
    struct CallParams {
        address to;
        bytes callData;
        uint32 originDomain;
        uint32 destinationDomain;
        address agent;
        address recovery;
        bool forceSlow;
        bool receiveLocal;
        address callback;
        uint256 callbackFee;
        uint256 relayerFee;
        uint256 slippageTol;
    }

    /// @notice The arguments you supply to the `xcall` function called by user on origin domain
    /// @param params - The CallParams. These are consistent across sending and receiving chains
    /// @param transactingAsset - The asset the caller sent with the transfer. Can be the adopted, canonical,
    /// or the representational asset
    /// @param transactingAmount - The amount of transferring asset supplied by the user in the `xcall`
    /// @param originMinOut - Minimum amount received on swaps for adopted <> local on origin chain
    struct XCallArgs {
        CallParams params;
        address transactingAsset; // Could be adopted, local, or wrapped
        uint256 transactingAmount;
        uint256 originMinOut;
    }

    function xcall(
        uint32 destination,
        address recipient,
        address tokenAddress,
        address delegate,
        uint256 amount,
        uint256 slippage,
        bytes memory callData
    ) external payable returns (bytes32);
}

// 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);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

interface ILiFi {
    /// Structs ///

    struct BridgeData {
        bytes32 transactionId;
        string bridge;
        string integrator;
        address referrer;
        address sendingAssetId;
        address receiver;
        uint256 minAmount;
        uint256 destinationChainId;
        bool hasSourceSwaps;
        bool hasDestinationCall;
    }

    /// Events ///

    event LiFiTransferStarted(ILiFi.BridgeData bridgeData);

    event LiFiTransferCompleted(
        bytes32 indexed transactionId,
        address receivingAssetId,
        address receiver,
        uint256 amount,
        uint256 timestamp
    );

    event LiFiTransferRecovered(
        bytes32 indexed transactionId,
        address receivingAssetId,
        address receiver,
        uint256 amount,
        uint256 timestamp
    );
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { CannotAuthoriseSelf, UnAuthorized } from "../Errors/GenericErrors.sol";

/// @title Access Library
/// @author LI.FI (https://li.fi)
/// @notice Provides functionality for managing method level access control
library LibAccess {
    /// Types ///
    bytes32 internal constant NAMESPACE =
        keccak256("com.lifi.library.access.management");

    /// Storage ///
    struct AccessStorage {
        mapping(bytes4 => mapping(address => bool)) execAccess;
    }

    /// Events ///
    event AccessGranted(address indexed account, bytes4 indexed method);
    event AccessRevoked(address indexed account, bytes4 indexed method);

    /// @dev Fetch local storage
    function accessStorage()
        internal
        pure
        returns (AccessStorage storage accStor)
    {
        bytes32 position = NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            accStor.slot := position
        }
    }

    /// @notice Gives an address permission to execute a method
    /// @param selector The method selector to execute
    /// @param executor The address to grant permission to
    function addAccess(bytes4 selector, address executor) internal {
        if (executor == address(this)) {
            revert CannotAuthoriseSelf();
        }
        AccessStorage storage accStor = accessStorage();
        accStor.execAccess[selector][executor] = true;
        emit AccessGranted(executor, selector);
    }

    /// @notice Revokes permission to execute a method
    /// @param selector The method selector to execute
    /// @param executor The address to revoke permission from
    function removeAccess(bytes4 selector, address executor) internal {
        AccessStorage storage accStor = accessStorage();
        accStor.execAccess[selector][executor] = false;
        emit AccessRevoked(executor, selector);
    }

    /// @notice Enforces access control by reverting if `msg.sender`
    ///     has not been given permission to execute `msg.sig`
    function enforceAccessControl() internal view {
        AccessStorage storage accStor = accessStorage();
        if (accStor.execAccess[msg.sig][msg.sender] != true)
            revert UnAuthorized();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { InvalidContract } from "../Errors/GenericErrors.sol";

/// @title Lib Allow List
/// @author LI.FI (https://li.fi)
/// @notice Library for managing and accessing the conract address allow list
library LibAllowList {
    /// Storage ///
    bytes32 internal constant NAMESPACE =
        keccak256("com.lifi.library.allow.list");

    struct AllowListStorage {
        mapping(address => bool) allowlist;
        mapping(bytes4 => bool) selectorAllowList;
        address[] contracts;
    }

    /// @dev Adds a contract address to the allow list
    /// @param _contract the contract address to add
    function addAllowedContract(address _contract) internal {
        _checkAddress(_contract);

        AllowListStorage storage als = _getStorage();

        if (als.allowlist[_contract]) return;

        als.allowlist[_contract] = true;
        als.contracts.push(_contract);
    }

    /// @dev Checks whether a contract address has been added to the allow list
    /// @param _contract the contract address to check
    function contractIsAllowed(address _contract)
        internal
        view
        returns (bool)
    {
        return _getStorage().allowlist[_contract];
    }

    /// @dev Remove a contract address from the allow list
    /// @param _contract the contract address to remove
    function removeAllowedContract(address _contract) internal {
        AllowListStorage storage als = _getStorage();

        if (!als.allowlist[_contract]) {
            return;
        }

        als.allowlist[_contract] = false;

        uint256 length = als.contracts.length;
        // Find the contract in the list
        for (uint256 i = 0; i < length; i++) {
            if (als.contracts[i] == _contract) {
                // Move the last element into the place to delete
                als.contracts[i] = als.contracts[length - 1];
                // Remove the last element
                als.contracts.pop();
                break;
            }
        }
    }

    /// @dev Fetch contract addresses from the allow list
    function getAllowedContracts() internal view returns (address[] memory) {
        return _getStorage().contracts;
    }

    /// @dev Add a selector to the allow list
    /// @param _selector the selector to add
    function addAllowedSelector(bytes4 _selector) internal {
        _getStorage().selectorAllowList[_selector] = true;
    }

    /// @dev Removes a selector from the allow list
    /// @param _selector the selector to remove
    function removeAllowedSelector(bytes4 _selector) internal {
        _getStorage().selectorAllowList[_selector] = false;
    }

    /// @dev Returns if selector has been added to the allow list
    /// @param _selector the selector to check
    function selectorIsAllowed(bytes4 _selector) internal view returns (bool) {
        return _getStorage().selectorAllowList[_selector];
    }

    /// @dev Fetch local storage struct
    function _getStorage()
        internal
        pure
        returns (AllowListStorage storage als)
    {
        bytes32 position = NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            als.slot := position
        }
    }

    /// @dev Contains business logic for validating a contract address.
    /// @param _contract address of the dex to check
    function _checkAddress(address _contract) private view {
        if (_contract == address(0)) revert InvalidContract();

        if (_contract.code.length == 0) revert InvalidContract();
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;
import { InsufficientBalance, NullAddrIsNotAnERC20Token, NullAddrIsNotAValidSpender, NoTransferToNullAddress, InvalidAmount, NativeAssetTransferFailed } from "../Errors/GenericErrors.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { LibSwap } from "./LibSwap.sol";

/// @title LibAsset
/// @notice This library contains helpers for dealing with onchain transfers
///         of assets, including accounting for the native asset `assetId`
///         conventions and any noncompliant ERC20 transfers
library LibAsset {
    uint256 private constant MAX_UINT = type(uint256).max;

    address internal constant NULL_ADDRESS = address(0);

    /// @dev All native assets use the empty address for their asset id
    ///      by convention

    address internal constant NATIVE_ASSETID = NULL_ADDRESS; //address(0)

    /// @notice Gets the balance of the inheriting contract for the given asset
    /// @param assetId The asset identifier to get the balance of
    /// @return Balance held by contracts using this library
    function getOwnBalance(address assetId) internal view returns (uint256) {
        return
            assetId == NATIVE_ASSETID
                ? address(this).balance
                : IERC20(assetId).balanceOf(address(this));
    }

    /// @notice Transfers ether from the inheriting contract to a given
    ///         recipient
    /// @param recipient Address to send ether to
    /// @param amount Amount to send to given recipient
    function transferNativeAsset(address payable recipient, uint256 amount)
        private
    {
        if (recipient == NULL_ADDRESS) revert NoTransferToNullAddress();
        if (amount > address(this).balance)
            revert InsufficientBalance(amount, address(this).balance);
        // solhint-disable-next-line avoid-low-level-calls
        (bool success, ) = recipient.call{ value: amount }("");
        if (!success) revert NativeAssetTransferFailed();
    }

    /// @notice If the current allowance is insufficient, the allowance for a given spender
    /// is set to MAX_UINT.
    /// @param assetId Token address to transfer
    /// @param spender Address to give spend approval to
    /// @param amount Amount to approve for spending
    function maxApproveERC20(
        IERC20 assetId,
        address spender,
        uint256 amount
    ) internal {
        if (address(assetId) == NATIVE_ASSETID) return;
        if (spender == NULL_ADDRESS) revert NullAddrIsNotAValidSpender();
        uint256 allowance = assetId.allowance(address(this), spender);

        if (allowance < amount)
            SafeERC20.safeIncreaseAllowance(
                IERC20(assetId),
                spender,
                MAX_UINT - allowance
            );
    }

    /// @notice Transfers tokens from the inheriting contract to a given
    ///         recipient
    /// @param assetId Token address to transfer
    /// @param recipient Address to send token to
    /// @param amount Amount to send to given recipient
    function transferERC20(
        address assetId,
        address recipient,
        uint256 amount
    ) private {
        if (isNativeAsset(assetId)) revert NullAddrIsNotAnERC20Token();
        uint256 assetBalance = IERC20(assetId).balanceOf(address(this));
        if (amount > assetBalance)
            revert InsufficientBalance(amount, assetBalance);
        SafeERC20.safeTransfer(IERC20(assetId), recipient, amount);
    }

    /// @notice Transfers tokens from a sender to a given recipient
    /// @param assetId Token address to transfer
    /// @param from Address of sender/owner
    /// @param to Address of recipient/spender
    /// @param amount Amount to transfer from owner to spender
    function transferFromERC20(
        address assetId,
        address from,
        address to,
        uint256 amount
    ) internal {
        if (assetId == NATIVE_ASSETID) revert NullAddrIsNotAnERC20Token();
        if (to == NULL_ADDRESS) revert NoTransferToNullAddress();

        IERC20 asset = IERC20(assetId);
        uint256 prevBalance = asset.balanceOf(to);
        SafeERC20.safeTransferFrom(asset, from, to, amount);
        if (asset.balanceOf(to) - prevBalance != amount)
            revert InvalidAmount();
    }

    function depositAsset(address assetId, uint256 amount) internal {
        if (isNativeAsset(assetId)) {
            if (msg.value < amount) revert InvalidAmount();
        } else {
            if (amount == 0) revert InvalidAmount();
            uint256 balance = IERC20(assetId).balanceOf(msg.sender);
            if (balance < amount) revert InsufficientBalance(amount, balance);
            transferFromERC20(assetId, msg.sender, address(this), amount);
        }
    }

    function depositAssets(LibSwap.SwapData[] calldata swaps) internal {
        for (uint256 i = 0; i < swaps.length; ) {
            LibSwap.SwapData memory swap = swaps[i];
            if (swap.requiresDeposit) {
                depositAsset(swap.sendingAssetId, swap.fromAmount);
            }
            unchecked {
                i++;
            }
        }
    }

    /// @notice Determines whether the given assetId is the native asset
    /// @param assetId The asset identifier to evaluate
    /// @return Boolean indicating if the asset is the native asset
    function isNativeAsset(address assetId) internal pure returns (bool) {
        return assetId == NATIVE_ASSETID;
    }

    /// @notice Wrapper function to transfer a given asset (native or erc20) to
    ///         some recipient. Should handle all non-compliant return value
    ///         tokens as well by using the SafeERC20 contract by open zeppelin.
    /// @param assetId Asset id for transfer (address(0) for native asset,
    ///                token address for erc20s)
    /// @param recipient Address to send asset to
    /// @param amount Amount to send to given recipient
    function transferAsset(
        address assetId,
        address payable recipient,
        uint256 amount
    ) internal {
        (assetId == NATIVE_ASSETID)
            ? transferNativeAsset(recipient, amount)
            : transferERC20(assetId, recipient, amount);
    }

    /// @dev Checks whether the given address is a contract and contains code
    function isContract(address _contractAddr) internal view returns (bool) {
        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            size := extcodesize(_contractAddr)
        }
        return size > 0;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

library LibBytes {
    // solhint-disable no-inline-assembly

    // LibBytes specific errors
    error SliceOverflow();
    error SliceOutOfBounds();
    error AddressOutOfBounds();
    error UintOutOfBounds();

    // -------------------------

    function concat(bytes memory _preBytes, bytes memory _postBytes)
        internal
        pure
        returns (bytes memory)
    {
        bytes memory tempBytes;

        assembly {
            // Get a location of some free memory and store it in tempBytes as
            // Solidity does for memory variables.
            tempBytes := mload(0x40)

            // Store the length of the first bytes array at the beginning of
            // the memory for tempBytes.
            let length := mload(_preBytes)
            mstore(tempBytes, length)

            // Maintain a memory counter for the current write location in the
            // temp bytes array by adding the 32 bytes for the array length to
            // the starting location.
            let mc := add(tempBytes, 0x20)
            // Stop copying when the memory counter reaches the length of the
            // first bytes array.
            let end := add(mc, length)

            for {
                // Initialize a copy counter to the start of the _preBytes data,
                // 32 bytes into its memory.
                let cc := add(_preBytes, 0x20)
            } lt(mc, end) {
                // Increase both counters by 32 bytes each iteration.
                mc := add(mc, 0x20)
                cc := add(cc, 0x20)
            } {
                // Write the _preBytes data into the tempBytes memory 32 bytes
                // at a time.
                mstore(mc, mload(cc))
            }

            // Add the length of _postBytes to the current length of tempBytes
            // and store it as the new length in the first 32 bytes of the
            // tempBytes memory.
            length := mload(_postBytes)
            mstore(tempBytes, add(length, mload(tempBytes)))

            // Move the memory counter back from a multiple of 0x20 to the
            // actual end of the _preBytes data.
            mc := end
            // Stop copying when the memory counter reaches the new combined
            // length of the arrays.
            end := add(mc, length)

            for {
                let cc := add(_postBytes, 0x20)
            } lt(mc, end) {
                mc := add(mc, 0x20)
                cc := add(cc, 0x20)
            } {
                mstore(mc, mload(cc))
            }

            // Update the free-memory pointer by padding our last write location
            // to 32 bytes: add 31 bytes to the end of tempBytes to move to the
            // next 32 byte block, then round down to the nearest multiple of
            // 32. If the sum of the length of the two arrays is zero then add
            // one before rounding down to leave a blank 32 bytes (the length block with 0).
            mstore(
                0x40,
                and(
                    add(add(end, iszero(add(length, mload(_preBytes)))), 31),
                    not(31) // Round down to the nearest 32 bytes.
                )
            )
        }

        return tempBytes;
    }

    function concatStorage(bytes storage _preBytes, bytes memory _postBytes)
        internal
    {
        assembly {
            // Read the first 32 bytes of _preBytes storage, which is the length
            // of the array. (We don't need to use the offset into the slot
            // because arrays use the entire slot.)
            let fslot := sload(_preBytes.slot)
            // Arrays of 31 bytes or less have an even value in their slot,
            // while longer arrays have an odd value. The actual length is
            // the slot divided by two for odd values, and the lowest order
            // byte divided by two for even values.
            // If the slot is even, bitwise and the slot with 255 and divide by
            // two to get the length. If the slot is odd, bitwise and the slot
            // with -1 and divide by two.
            let slength := div(
                and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)),
                2
            )
            let mlength := mload(_postBytes)
            let newlength := add(slength, mlength)
            // slength can contain both the length and contents of the array
            // if length < 32 bytes so let's prepare for that
            // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
            switch add(lt(slength, 32), lt(newlength, 32))
            case 2 {
                // Since the new array still fits in the slot, we just need to
                // update the contents of the slot.
                // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length
                sstore(
                    _preBytes.slot,
                    // all the modifications to the slot are inside this
                    // next block
                    add(
                        // we can just add to the slot contents because the
                        // bytes we want to change are the LSBs
                        fslot,
                        add(
                            mul(
                                div(
                                    // load the bytes from memory
                                    mload(add(_postBytes, 0x20)),
                                    // zero all bytes to the right
                                    exp(0x100, sub(32, mlength))
                                ),
                                // and now shift left the number of bytes to
                                // leave space for the length in the slot
                                exp(0x100, sub(32, newlength))
                            ),
                            // increase length by the double of the memory
                            // bytes length
                            mul(mlength, 2)
                        )
                    )
                )
            }
            case 1 {
                // The stored value fits in the slot, but the combined value
                // will exceed it.
                // get the keccak hash to get the contents of the array
                mstore(0x0, _preBytes.slot)
                let sc := add(keccak256(0x0, 0x20), div(slength, 32))

                // save new length
                sstore(_preBytes.slot, add(mul(newlength, 2), 1))

                // The contents of the _postBytes array start 32 bytes into
                // the structure. Our first read should obtain the `submod`
                // bytes that can fit into the unused space in the last word
                // of the stored array. To get this, we read 32 bytes starting
                // from `submod`, so the data we read overlaps with the array
                // contents by `submod` bytes. Masking the lowest-order
                // `submod` bytes allows us to add that value directly to the
                // stored value.

                let submod := sub(32, slength)
                let mc := add(_postBytes, submod)
                let end := add(_postBytes, mlength)
                let mask := sub(exp(0x100, submod), 1)

                sstore(
                    sc,
                    add(
                        and(
                            fslot,
                            0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00
                        ),
                        and(mload(mc), mask)
                    )
                )

                for {
                    mc := add(mc, 0x20)
                    sc := add(sc, 1)
                } lt(mc, end) {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } {
                    sstore(sc, mload(mc))
                }

                mask := exp(0x100, sub(mc, end))

                sstore(sc, mul(div(mload(mc), mask), mask))
            }
            default {
                // get the keccak hash to get the contents of the array
                mstore(0x0, _preBytes.slot)
                // Start copying to the last used word of the stored array.
                let sc := add(keccak256(0x0, 0x20), div(slength, 32))

                // save new length
                sstore(_preBytes.slot, add(mul(newlength, 2), 1))

                // Copy over the first `submod` bytes of the new data as in
                // case 1 above.
                let slengthmod := mod(slength, 32)
                let submod := sub(32, slengthmod)
                let mc := add(_postBytes, submod)
                let end := add(_postBytes, mlength)
                let mask := sub(exp(0x100, submod), 1)

                sstore(sc, add(sload(sc), and(mload(mc), mask)))

                for {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } lt(mc, end) {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } {
                    sstore(sc, mload(mc))
                }

                mask := exp(0x100, sub(mc, end))

                sstore(sc, mul(div(mload(mc), mask), mask))
            }
        }
    }

    function slice(
        bytes memory _bytes,
        uint256 _start,
        uint256 _length
    ) internal pure returns (bytes memory) {
        if (_length + 31 < _length) revert SliceOverflow();
        if (_bytes.length < _start + _length) revert SliceOutOfBounds();

        bytes memory tempBytes;

        assembly {
            switch iszero(_length)
            case 0 {
                // Get a location of some free memory and store it in tempBytes as
                // Solidity does for memory variables.
                tempBytes := mload(0x40)

                // The first word of the slice result is potentially a partial
                // word read from the original array. To read it, we calculate
                // the length of that partial word and start copying that many
                // bytes into the array. The first word we copy will start with
                // data we don't care about, but the last `lengthmod` bytes will
                // land at the beginning of the contents of the new array. When
                // we're done copying, we overwrite the full first word with
                // the actual length of the slice.
                let lengthmod := and(_length, 31)

                // The multiplication in the next line is necessary
                // because when slicing multiples of 32 bytes (lengthmod == 0)
                // the following copy loop was copying the origin's length
                // and then ending prematurely not copying everything it should.
                let mc := add(
                    add(tempBytes, lengthmod),
                    mul(0x20, iszero(lengthmod))
                )
                let end := add(mc, _length)

                for {
                    // The multiplication in the next line has the same exact purpose
                    // as the one above.
                    let cc := add(
                        add(
                            add(_bytes, lengthmod),
                            mul(0x20, iszero(lengthmod))
                        ),
                        _start
                    )
                } lt(mc, end) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    mstore(mc, mload(cc))
                }

                mstore(tempBytes, _length)

                //update free-memory pointer
                //allocating the array padded to 32 bytes like the compiler does now
                mstore(0x40, and(add(mc, 31), not(31)))
            }
            //if we want a zero-length slice let's just return a zero-length array
            default {
                tempBytes := mload(0x40)
                //zero out the 32 bytes slice we are about to return
                //we need to do it because Solidity does not garbage collect
                mstore(tempBytes, 0)

                mstore(0x40, add(tempBytes, 0x20))
            }
        }

        return tempBytes;
    }

    function toAddress(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (address)
    {
        if (_bytes.length < _start + 20) {
            revert AddressOutOfBounds();
        }
        address tempAddress;

        assembly {
            tempAddress := div(
                mload(add(add(_bytes, 0x20), _start)),
                0x1000000000000000000000000
            )
        }

        return tempAddress;
    }

    function toUint8(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint8)
    {
        if (_bytes.length < _start + 1) {
            revert UintOutOfBounds();
        }
        uint8 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x1), _start))
        }

        return tempUint;
    }

    function toUint16(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint16)
    {
        if (_bytes.length < _start + 2) {
            revert UintOutOfBounds();
        }
        uint16 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x2), _start))
        }

        return tempUint;
    }

    function toUint32(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint32)
    {
        if (_bytes.length < _start + 4) {
            revert UintOutOfBounds();
        }
        uint32 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x4), _start))
        }

        return tempUint;
    }

    function toUint64(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint64)
    {
        if (_bytes.length < _start + 8) {
            revert UintOutOfBounds();
        }
        uint64 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x8), _start))
        }

        return tempUint;
    }

    function toUint96(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint96)
    {
        if (_bytes.length < _start + 12) {
            revert UintOutOfBounds();
        }
        uint96 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0xc), _start))
        }

        return tempUint;
    }

    function toUint128(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint128)
    {
        if (_bytes.length < _start + 16) {
            revert UintOutOfBounds();
        }
        uint128 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x10), _start))
        }

        return tempUint;
    }

    function toUint256(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (uint256)
    {
        if (_bytes.length < _start + 32) {
            revert UintOutOfBounds();
        }
        uint256 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x20), _start))
        }

        return tempUint;
    }

    function toBytes32(bytes memory _bytes, uint256 _start)
        internal
        pure
        returns (bytes32)
    {
        if (_bytes.length < _start + 32) {
            revert UintOutOfBounds();
        }
        bytes32 tempBytes32;

        assembly {
            tempBytes32 := mload(add(add(_bytes, 0x20), _start))
        }

        return tempBytes32;
    }

    function equal(bytes memory _preBytes, bytes memory _postBytes)
        internal
        pure
        returns (bool)
    {
        bool success = true;

        assembly {
            let length := mload(_preBytes)

            // if lengths don't match the arrays are not equal
            switch eq(length, mload(_postBytes))
            case 1 {
                // cb is a circuit breaker in the for loop since there's
                //  no said feature for inline assembly loops
                // cb = 1 - don't breaker
                // cb = 0 - break
                let cb := 1

                let mc := add(_preBytes, 0x20)
                let end := add(mc, length)

                for {
                    let cc := add(_postBytes, 0x20)
                    // the next line is the loop condition:
                    // while(uint256(mc < end) + cb == 2)
                } eq(add(lt(mc, end), cb), 2) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    // if any of these checks fails then arrays are not equal
                    if iszero(eq(mload(mc), mload(cc))) {
                        // unsuccess:
                        success := 0
                        cb := 0
                    }
                }
            }
            default {
                // unsuccess:
                success := 0
            }
        }

        return success;
    }

    function equalStorage(bytes storage _preBytes, bytes memory _postBytes)
        internal
        view
        returns (bool)
    {
        bool success = true;

        assembly {
            // we know _preBytes_offset is 0
            let fslot := sload(_preBytes.slot)
            // Decode the length of the stored array like in concatStorage().
            let slength := div(
                and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)),
                2
            )
            let mlength := mload(_postBytes)

            // if lengths don't match the arrays are not equal
            switch eq(slength, mlength)
            case 1 {
                // slength can contain both the length and contents of the array
                // if length < 32 bytes so let's prepare for that
                // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
                if iszero(iszero(slength)) {
                    switch lt(slength, 32)
                    case 1 {
                        // blank the last byte which is the length
                        fslot := mul(div(fslot, 0x100), 0x100)

                        if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) {
                            // unsuccess:
                            success := 0
                        }
                    }
                    default {
                        // cb is a circuit breaker in the for loop since there's
                        //  no said feature for inline assembly loops
                        // cb = 1 - don't breaker
                        // cb = 0 - break
                        let cb := 1

                        // get the keccak hash to get the contents of the array
                        mstore(0x0, _preBytes.slot)
                        let sc := keccak256(0x0, 0x20)

                        let mc := add(_postBytes, 0x20)
                        let end := add(mc, mlength)

                        // the next line is the loop condition:
                        // while(uint256(mc < end) + cb == 2)
                        // solhint-disable-next-line no-empty-blocks
                        for {

                        } eq(add(lt(mc, end), cb), 2) {
                            sc := add(sc, 1)
                            mc := add(mc, 0x20)
                        } {
                            if iszero(eq(sload(sc), mload(mc))) {
                                // unsuccess:
                                success := 0
                                cb := 0
                            }
                        }
                    }
                }
            }
            default {
                // unsuccess:
                success := 0
            }
        }

        return success;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { IDiamondCut } from "../Interfaces/IDiamondCut.sol";
import { LibUtil } from "../Libraries/LibUtil.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;
    }

    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 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 (LibUtil.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 (!LibUtil.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 (LibUtil.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 (!LibUtil.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 (LibUtil.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 (LibUtil.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();
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { CannotAuthoriseSelf, UnAuthorized } from "../Errors/GenericErrors.sol";
import { LibAccess } from "../Libraries/LibAccess.sol";

/// @title Mappings Library
/// @author LI.FI (https://li.fi)
/// @notice Provides mappings for all facets that may need them
library LibMappings {
    /// Types ///
    bytes32 internal constant STARGATE_NAMESPACE =
        keccak256("com.lifi.library.mappings.stargate");
    bytes32 internal constant WORMHOLE_NAMESPACE =
        keccak256("com.lifi.library.mappings.wormhole");
    bytes32 internal constant AMAROK_NAMESPACE =
        keccak256("com.lifi.library.mappings.amarok");

    /// Storage ///
    struct StargateMappings {
        mapping(address => uint16) stargatePoolId;
        mapping(uint256 => uint16) layerZeroChainId;
        bool initialized;
    }

    struct WormholeMappings {
        mapping(uint256 => uint16) wormholeChainId;
        bool initialized;
    }

    struct AmarokMappings {
        mapping(uint256 => uint32) amarokDomain;
    }

    /// @dev Fetch local storage for Stargate
    function getStargateMappings()
        internal
        pure
        returns (StargateMappings storage ms)
    {
        bytes32 position = STARGATE_NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ms.slot := position
        }
    }

    /// @dev Fetch local storage for Wormhole
    function getWormholeMappings()
        internal
        pure
        returns (WormholeMappings storage ms)
    {
        bytes32 position = WORMHOLE_NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ms.slot := position
        }
    }

    /// @dev Fetch local storage for Amarok
    function getAmarokMappings()
        internal
        pure
        returns (AmarokMappings storage ms)
    {
        bytes32 position = AMAROK_NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            ms.slot := position
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import { LibAsset } from "./LibAsset.sol";
import { LibUtil } from "./LibUtil.sol";
import { InvalidContract, NoSwapFromZeroBalance, InsufficientBalance } from "../Errors/GenericErrors.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

library LibSwap {
    struct SwapData {
        address callTo;
        address approveTo;
        address sendingAssetId;
        address receivingAssetId;
        uint256 fromAmount;
        bytes callData;
        bool requiresDeposit;
    }

    event AssetSwapped(
        bytes32 transactionId,
        address dex,
        address fromAssetId,
        address toAssetId,
        uint256 fromAmount,
        uint256 toAmount,
        uint256 timestamp
    );

    function swap(bytes32 transactionId, SwapData calldata _swap) internal {
        if (!LibAsset.isContract(_swap.callTo)) revert InvalidContract();
        uint256 fromAmount = _swap.fromAmount;
        if (fromAmount == 0) revert NoSwapFromZeroBalance();
        uint256 nativeValue = LibAsset.isNativeAsset(_swap.sendingAssetId)
            ? _swap.fromAmount
            : 0;
        uint256 initialSendingAssetBalance = LibAsset.getOwnBalance(
            _swap.sendingAssetId
        );
        uint256 initialReceivingAssetBalance = LibAsset.getOwnBalance(
            _swap.receivingAssetId
        );

        if (nativeValue == 0) {
            LibAsset.maxApproveERC20(
                IERC20(_swap.sendingAssetId),
                _swap.approveTo,
                _swap.fromAmount
            );
        }

        if (initialSendingAssetBalance < _swap.fromAmount) {
            revert InsufficientBalance(
                _swap.fromAmount,
                initialSendingAssetBalance
            );
        }

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory res) = _swap.callTo.call{
            value: nativeValue
        }(_swap.callData);
        if (!success) {
            string memory reason = LibUtil.getRevertMsg(res);
            revert(reason);
        }

        uint256 newBalance = LibAsset.getOwnBalance(_swap.receivingAssetId);

        emit AssetSwapped(
            transactionId,
            _swap.callTo,
            _swap.sendingAssetId,
            _swap.receivingAssetId,
            _swap.fromAmount,
            newBalance > initialReceivingAssetBalance
                ? newBalance - initialReceivingAssetBalance
                : newBalance,
            block.timestamp
        );
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "./LibBytes.sol";

library LibUtil {
    using LibBytes for bytes;

    function getRevertMsg(bytes memory _res)
        internal
        pure
        returns (string memory)
    {
        // If the _res length is less than 68, then the transaction failed silently (without a revert message)
        if (_res.length < 68) return "Transaction reverted silently";
        bytes memory revertData = _res.slice(4, _res.length - 4); // Remove the selector which is the first 4 bytes
        return abi.decode(revertData, (string)); // All that remains is the revert string
    }

    /// @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);
    }
}

{
  "remappings": [
    "@axelar-network/=node_modules/@axelar-network/",
    "@connext/=node_modules/@connext/",
    "@eth-optimism/=node_modules/@hop-protocol/sdk/node_modules/@eth-optimism/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@uniswap/=node_modules/@uniswap/",
    "celer-network/=lib/sgn-v2-contracts/",
    "create3-factory/=lib/create3-factory/src/",
    "ds-test/=lib/ds-test/src/",
    "eth-gas-reporter/=node_modules/eth-gas-reporter/",
    "forge-std/=lib/forge-std/src/",
    "hardhat-deploy/=node_modules/hardhat-deploy/",
    "hardhat/=node_modules/hardhat/",
    "lifi/=src/",
    "sgn-v2-contracts/=lib/sgn-v2-contracts/contracts/",
    "solmate/=lib/solmate/src/",
    "test/=test/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IConnextHandler","name":"_connextHandler","type":"address"},{"internalType":"uint32","name":"_srcChainDomain","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CannotBridgeToSameNetwork","type":"error"},{"inputs":[],"name":"ContractCallNotAllowed","type":"error"},{"inputs":[{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"receivedAmount","type":"uint256"}],"name":"CumulativeSlippageTooHigh","type":"error"},{"inputs":[],"name":"InformationMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"required","type":"uint256"},{"internalType":"uint256","name":"balance","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidAmount","type":"error"},{"inputs":[],"name":"InvalidContract","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[],"name":"NativeAssetNotSupported","type":"error"},{"inputs":[],"name":"NativeAssetTransferFailed","type":"error"},{"inputs":[],"name":"NoSwapDataProvided","type":"error"},{"inputs":[],"name":"NoSwapFromZeroBalance","type":"error"},{"inputs":[],"name":"NoTransferToNullAddress","type":"error"},{"inputs":[],"name":"NullAddrIsNotAValidSpender","type":"error"},{"inputs":[],"name":"NullAddrIsNotAnERC20Token","type":"error"},{"inputs":[],"name":"OnlyContractOwner","type":"error"},{"inputs":[],"name":"ReentrancyError","type":"error"},{"inputs":[],"name":"SliceOutOfBounds","type":"error"},{"inputs":[],"name":"SliceOverflow","type":"error"},{"inputs":[{"internalType":"uint32","name":"domain","type":"uint32"}],"name":"UnknownAmarokDomain","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"uint32","name":"domain","type":"uint32"}],"name":"AmarokDomainSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"receivingAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LiFiTransferCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"receivingAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LiFiTransferRecovered","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"indexed":false,"internalType":"struct ILiFi.BridgeData","name":"bridgeData","type":"tuple"}],"name":"LiFiTransferStarted","type":"event"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"uint32","name":"_domain","type":"uint32"}],"name":"setAmarokDomain","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"address","name":"callTo","type":"address"},{"internalType":"uint256","name":"relayerFee","type":"uint256"},{"internalType":"uint256","name":"slippageTol","type":"uint256"},{"internalType":"address","name":"delegate","type":"address"}],"internalType":"struct AmarokFacet.AmarokData","name":"_amarokData","type":"tuple"}],"name":"startBridgeTokensViaAmarok","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"address","name":"callTo","type":"address"},{"internalType":"address","name":"approveTo","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receivingAssetId","type":"address"},{"internalType":"uint256","name":"fromAmount","type":"uint256"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"bool","name":"requiresDeposit","type":"bool"}],"internalType":"struct LibSwap.SwapData[]","name":"_swapData","type":"tuple[]"},{"components":[{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"address","name":"callTo","type":"address"},{"internalType":"uint256","name":"relayerFee","type":"uint256"},{"internalType":"uint256","name":"slippageTol","type":"uint256"},{"internalType":"address","name":"delegate","type":"address"}],"internalType":"struct AmarokFacet.AmarokData","name":"_amarokData","type":"tuple"}],"name":"swapAndStartBridgeTokensViaAmarok","outputs":[],"stateMutability":"payable","type":"function"}]

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

00000000000000000000000011984dc4465481512eb5b777e44061c158cf22590000000000000000000000000000000000000000000000000000000000000020

-----Decoded View---------------
Arg [0] : _connextHandler (address): 0x11984dc4465481512eb5b777e44061c158cf2259
Arg [1] : _srcChainDomain (uint32): 32

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000011984dc4465481512eb5b777e44061c158cf2259
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000020