// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @openzeppelin/contracts/security/Pausable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// File: contracts/BalanceManagement.sol



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

pragma solidity 0.8.19;

import { ITokenBalance } from './interfaces/ITokenBalance.sol';
import { ManagerRole } from './roles/ManagerRole.sol';
import './helpers/TransferHelper.sol' as TransferHelper;
import './Constants.sol' as Constants;

/**
 * @title BalanceManagement
 * @notice Base contract for the withdrawal of tokens, except for reserved ones
 */
abstract contract BalanceManagement is ManagerRole {
    /**
     * @notice Emitted when the specified token is reserved
     */
    error ReservedTokenError();

    /**
     * @notice Performs the withdrawal of tokens, except for reserved ones
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     * @param _tokenAmount The amount of the token
     */
    function cleanup(address _tokenAddress, uint256 _tokenAmount) external onlyManager {
        if (isReservedToken(_tokenAddress)) {
            revert ReservedTokenError();
        }

        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            TransferHelper.safeTransferNative(msg.sender, _tokenAmount);
        } else {
            TransferHelper.safeTransfer(_tokenAddress, msg.sender, _tokenAmount);
        }
    }

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

    /**
     * @notice Getter of the reserved token flag
     * @dev Override to add reserved token addresses
     * @param _tokenAddress The address of the token
     * @return The reserved token flag
     */
    function isReservedToken(address _tokenAddress) public view virtual returns (bool) {
        // The function returns false by default.
        // The explicit return statement is omitted to avoid the unused parameter warning.
        // See https://github.com/ethereum/solidity/issues/5295
    }
}

// File: contracts/CallerGuard.sol



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

pragma solidity 0.8.19;

import { ManagerRole } from './roles/ManagerRole.sol';
import './helpers/AddressHelper.sol' as AddressHelper;
import './Constants.sol' as Constants;
import './DataStructures.sol' as DataStructures;

/**
 * @title CallerGuard
 * @notice Base contract to control access from other contracts
 */
abstract contract CallerGuard is ManagerRole {
    /**
     * @dev Caller guard mode enumeration
     */
    enum CallerGuardMode {
        ContractForbidden,
        ContractList,
        ContractAllowed
    }

    /**
     * @dev Caller guard mode value
     */
    CallerGuardMode public callerGuardMode = CallerGuardMode.ContractForbidden;

    /**
     * @dev Registered contract list for "ContractList" mode
     */
    address[] public listedCallerGuardContractList;

    /**
     * @dev Registered contract list indices for "ContractList" mode
     */
    mapping(address /*account*/ => DataStructures.OptionalValue /*index*/)
        public listedCallerGuardContractIndexMap;

    /**
     * @notice Emitted when the caller guard mode is set
     * @param callerGuardMode The caller guard mode
     */
    event SetCallerGuardMode(CallerGuardMode indexed callerGuardMode);

    /**
     * @notice Emitted when a registered contract for "ContractList" mode is added or removed
     * @param contractAddress The contract address
     * @param isListed The registered contract list inclusion flag
     */
    event SetListedCallerGuardContract(address indexed contractAddress, bool indexed isListed);

    /**
     * @notice Emitted when the caller is not allowed to perform the intended action
     */
    error CallerGuardError(address caller);

    /**
     * @dev Modifier to check if the caller is allowed to perform the intended action
     */
    modifier checkCaller() {
        if (msg.sender != tx.origin) {
            bool condition = (callerGuardMode == CallerGuardMode.ContractAllowed ||
                (callerGuardMode == CallerGuardMode.ContractList &&
                    isListedCallerGuardContract(msg.sender)));

            if (!condition) {
                revert CallerGuardError(msg.sender);
            }
        }

        _;
    }

    /**
     * @notice Sets the caller guard mode
     * @param _callerGuardMode The caller guard mode
     */
    function setCallerGuardMode(CallerGuardMode _callerGuardMode) external onlyManager {
        callerGuardMode = _callerGuardMode;

        emit SetCallerGuardMode(_callerGuardMode);
    }

    /**
     * @notice Updates the list of registered contracts for the "ContractList" mode
     * @param _items The addresses and flags for the contracts
     */
    function setListedCallerGuardContracts(
        DataStructures.AccountToFlag[] calldata _items
    ) external onlyManager {
        for (uint256 index; index < _items.length; index++) {
            DataStructures.AccountToFlag calldata item = _items[index];

            if (item.flag) {
                AddressHelper.requireContract(item.account);
            }

            DataStructures.uniqueAddressListUpdate(
                listedCallerGuardContractList,
                listedCallerGuardContractIndexMap,
                item.account,
                item.flag,
                Constants.LIST_SIZE_LIMIT_DEFAULT
            );

            emit SetListedCallerGuardContract(item.account, item.flag);
        }
    }

    /**
     * @notice Getter of the registered contract count
     * @return The registered contract count
     */
    function listedCallerGuardContractCount() external view returns (uint256) {
        return listedCallerGuardContractList.length;
    }

    /**
     * @notice Getter of the complete list of registered contracts
     * @return The complete list of registered contracts
     */
    function fullListedCallerGuardContractList() external view returns (address[] memory) {
        return listedCallerGuardContractList;
    }

    /**
     * @notice Getter of a listed contract flag
     * @param _account The contract address
     * @return The listed contract flag
     */
    function isListedCallerGuardContract(address _account) public view returns (bool) {
        return listedCallerGuardContractIndexMap[_account].isSet;
    }
}

// File: contracts/Constants.sol



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

pragma solidity 0.8.19;

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

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

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

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

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

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

// File: contracts/DataStructures.sol



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

pragma solidity 0.8.19;

/**
 * @notice Optional value structure
 * @dev Is used in mappings to allow zero values
 * @param isSet Value presence flag
 * @param value Numeric value
 */
struct OptionalValue {
    bool isSet;
    uint256 value;
}

/**
 * @notice Key-to-value structure
 * @dev Is used as an array parameter item to perform multiple key-value settings
 * @param key Numeric key
 * @param value Numeric value
 */
struct KeyToValue {
    uint256 key;
    uint256 value;
}

/**
 * @notice Key-to-value structure for address values
 * @dev Is used as an array parameter item to perform multiple key-value settings with address values
 * @param key Numeric key
 * @param value Address value
 */
struct KeyToAddressValue {
    uint256 key;
    address value;
}

/**
 * @notice Address-to-flag structure
 * @dev Is used as an array parameter item to perform multiple settings
 * @param account Account address
 * @param flag Flag value
 */
struct AccountToFlag {
    address account;
    bool flag;
}

/**
 * @notice Emitted when a list exceeds the size limit
 */
error ListSizeLimitError();

/**
 * @notice Sets or updates a value in a combined map (a mapping with a key list and key index mapping)
 * @param _map The mapping reference
 * @param _keyList The key list reference
 * @param _keyIndexMap The key list index mapping reference
 * @param _key The numeric key
 * @param _value The address value
 * @param _sizeLimit The map and list size limit
 * @return isNewKey True if the key was just added, otherwise false
 */
function combinedMapSet(
    mapping(uint256 => address) storage _map,
    uint256[] storage _keyList,
    mapping(uint256 => OptionalValue) storage _keyIndexMap,
    uint256 _key,
    address _value,
    uint256 _sizeLimit
) returns (bool isNewKey) {
    isNewKey = !_keyIndexMap[_key].isSet;

    if (isNewKey) {
        uniqueListAdd(_keyList, _keyIndexMap, _key, _sizeLimit);
    }

    _map[_key] = _value;
}

/**
 * @notice Removes a value from a combined map (a mapping with a key list and key index mapping)
 * @param _map The mapping reference
 * @param _keyList The key list reference
 * @param _keyIndexMap The key list index mapping reference
 * @param _key The numeric key
 * @return isChanged True if the combined map was changed, otherwise false
 */
function combinedMapRemove(
    mapping(uint256 => address) storage _map,
    uint256[] storage _keyList,
    mapping(uint256 => OptionalValue) storage _keyIndexMap,
    uint256 _key
) returns (bool isChanged) {
    isChanged = _keyIndexMap[_key].isSet;

    if (isChanged) {
        delete _map[_key];
        uniqueListRemove(_keyList, _keyIndexMap, _key);
    }
}

/**
 * @notice Adds a value to a unique value list (a list with value index mapping)
 * @param _list The list reference
 * @param _indexMap The value index mapping reference
 * @param _value The numeric value
 * @param _sizeLimit The list size limit
 * @return isChanged True if the list was changed, otherwise false
 */
function uniqueListAdd(
    uint256[] storage _list,
    mapping(uint256 => OptionalValue) storage _indexMap,
    uint256 _value,
    uint256 _sizeLimit
) returns (bool isChanged) {
    isChanged = !_indexMap[_value].isSet;

    if (isChanged) {
        if (_list.length >= _sizeLimit) {
            revert ListSizeLimitError();
        }

        _indexMap[_value] = OptionalValue(true, _list.length);
        _list.push(_value);
    }
}

/**
 * @notice Removes a value from a unique value list (a list with value index mapping)
 * @param _list The list reference
 * @param _indexMap The value index mapping reference
 * @param _value The numeric value
 * @return isChanged True if the list was changed, otherwise false
 */
function uniqueListRemove(
    uint256[] storage _list,
    mapping(uint256 => OptionalValue) storage _indexMap,
    uint256 _value
) returns (bool isChanged) {
    OptionalValue storage indexItem = _indexMap[_value];

    isChanged = indexItem.isSet;

    if (isChanged) {
        uint256 itemIndex = indexItem.value;
        uint256 lastIndex = _list.length - 1;

        if (itemIndex != lastIndex) {
            uint256 lastValue = _list[lastIndex];
            _list[itemIndex] = lastValue;
            _indexMap[lastValue].value = itemIndex;
        }

        _list.pop();
        delete _indexMap[_value];
    }
}

/**
 * @notice Adds a value to a unique address value list (a list with value index mapping)
 * @param _list The list reference
 * @param _indexMap The value index mapping reference
 * @param _value The address value
 * @param _sizeLimit The list size limit
 * @return isChanged True if the list was changed, otherwise false
 */
function uniqueAddressListAdd(
    address[] storage _list,
    mapping(address => OptionalValue) storage _indexMap,
    address _value,
    uint256 _sizeLimit
) returns (bool isChanged) {
    isChanged = !_indexMap[_value].isSet;

    if (isChanged) {
        if (_list.length >= _sizeLimit) {
            revert ListSizeLimitError();
        }

        _indexMap[_value] = OptionalValue(true, _list.length);
        _list.push(_value);
    }
}

/**
 * @notice Removes a value from a unique address value list (a list with value index mapping)
 * @param _list The list reference
 * @param _indexMap The value index mapping reference
 * @param _value The address value
 * @return isChanged True if the list was changed, otherwise false
 */
function uniqueAddressListRemove(
    address[] storage _list,
    mapping(address => OptionalValue) storage _indexMap,
    address _value
) returns (bool isChanged) {
    OptionalValue storage indexItem = _indexMap[_value];

    isChanged = indexItem.isSet;

    if (isChanged) {
        uint256 itemIndex = indexItem.value;
        uint256 lastIndex = _list.length - 1;

        if (itemIndex != lastIndex) {
            address lastValue = _list[lastIndex];
            _list[itemIndex] = lastValue;
            _indexMap[lastValue].value = itemIndex;
        }

        _list.pop();
        delete _indexMap[_value];
    }
}

/**
 * @notice Adds or removes a value to/from a unique address value list (a list with value index mapping)
 * @dev The list size limit is checked on items adding only
 * @param _list The list reference
 * @param _indexMap The value index mapping reference
 * @param _value The address value
 * @param _flag The value inclusion flag
 * @param _sizeLimit The list size limit
 * @return isChanged True if the list was changed, otherwise false
 */
function uniqueAddressListUpdate(
    address[] storage _list,
    mapping(address => OptionalValue) storage _indexMap,
    address _value,
    bool _flag,
    uint256 _sizeLimit
) returns (bool isChanged) {
    return
        _flag
            ? uniqueAddressListAdd(_list, _indexMap, _value, _sizeLimit)
            : uniqueAddressListRemove(_list, _indexMap, _value);
}

// File: contracts/Errors.sol



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

pragma solidity 0.8.19;

/**
 * @notice Emitted when an attempt to burn a token fails
 */
error TokenBurnError();

/**
 * @notice Emitted when an attempt to mint a token fails
 */
error TokenMintError();

/**
 * @notice Emitted when a zero address is specified where it is not allowed
 */
error ZeroAddressError();

// File: contracts/helpers/AddressHelper.sol



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

pragma solidity 0.8.19;

/**
 * @notice Emitted when the account is not a contract
 * @param account The account address
 */
error NonContractAddressError(address account);

/**
 * @notice Function to check if the account is a contract
 * @return The account contract status flag
 */
function isContract(address _account) view returns (bool) {
    return _account.code.length > 0;
}

/**
 * @notice Function to require an account to be a contract
 */
function requireContract(address _account) view {
    if (!isContract(_account)) {
        revert NonContractAddressError(_account);
    }
}

/**
 * @notice Function to require an account to be a contract or a zero address
 */
function requireContractOrZeroAddress(address _account) view {
    if (_account != address(0)) {
        requireContract(_account);
    }
}

// File: contracts/helpers/RefundHelper.sol



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

pragma solidity 0.8.19;

import './TransferHelper.sol' as TransferHelper;

/**
 * @notice Refunds the extra balance of the native token
 * @dev Reverts on subtraction if the actual balance is less than expected
 * @param _self The address of the executing contract
 * @param _expectedBalance The expected native token balance value
 * @param _to The refund receiver's address
 */
function refundExtraBalance(address _self, uint256 _expectedBalance, address payable _to) {
    uint256 extraBalance = _self.balance - _expectedBalance;

    if (extraBalance > 0) {
        TransferHelper.safeTransferNative(_to, extraBalance);
    }
}

/**
 * @notice Refunds the extra balance of the native token
 * @dev Reverts on subtraction if the actual balance is less than expected
 * @param _self The address of the executing contract
 * @param _expectedBalance The expected native token balance value
 * @param _to The refund receiver's address
 * @return extraBalance The extra balance of the native token
 */
function refundExtraBalanceWithResult(
    address _self,
    uint256 _expectedBalance,
    address payable _to
) returns (uint256 extraBalance) {
    extraBalance = _self.balance - _expectedBalance;

    if (extraBalance > 0) {
        TransferHelper.safeTransferNative(_to, extraBalance);
    }
}

// File: contracts/helpers/TransferHelper.sol



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

pragma solidity 0.8.19;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// File: contracts/interfaces/IActionDataStructures.sol



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

pragma solidity 0.8.19;

/**
 * @title IActionDataStructures
 * @notice Action data structure declarations
 */
interface IActionDataStructures {
    /**
     * @notice Single-chain action data structure
     * @param fromTokenAddress The address of the input token
     * @param toTokenAddress The address of the output token
     * @param swapInfo The data for the single-chain swap
     * @param recipient The address of the recipient
     */
    struct LocalAction {
        address fromTokenAddress;
        address toTokenAddress;
        SwapInfo swapInfo;
        address recipient;
    }

    /**
     * @notice Cross-chain action data structure
     * @param gatewayType The numeric type of the cross-chain gateway
     * @param vaultType The numeric type of the vault
     * @param sourceTokenAddress The address of the input token on the source chain
     * @param sourceSwapInfo The data for the source chain swap
     * @param targetChainId The action target chain ID
     * @param targetTokenAddress The address of the output token on the destination chain
     * @param targetSwapInfoOptions The list of data options for the target chain swap
     * @param targetRecipient The address of the recipient on the target chain
     * @param gatewaySettings The gateway-specific settings data
     */
    struct Action {
        uint256 gatewayType;
        uint256 vaultType;
        address sourceTokenAddress;
        SwapInfo sourceSwapInfo;
        uint256 targetChainId;
        address targetTokenAddress;
        SwapInfo[] targetSwapInfoOptions;
        address targetRecipient;
        bytes gatewaySettings;
    }

    /**
     * @notice Token swap data structure
     * @param fromAmount The quantity of the token
     * @param routerType The numeric type of the swap router
     * @param routerData The data for the swap router call
     */
    struct SwapInfo {
        uint256 fromAmount;
        uint256 routerType;
        bytes routerData;
    }

    /**
     * @notice Cross-chain message data structure
     * @param actionId The unique identifier of the cross-chain action
     * @param sourceSender The address of the sender on the source chain
     * @param vaultType The numeric type of the vault
     * @param targetTokenAddress The address of the output token on the target chain
     * @param targetSwapInfo The data for the target chain swap
     * @param targetRecipient The address of the recipient on the target chain
     */
    struct TargetMessage {
        uint256 actionId;
        address sourceSender;
        uint256 vaultType;
        address targetTokenAddress;
        SwapInfo targetSwapInfo;
        address targetRecipient;
    }
}

// File: contracts/interfaces/ITokenBalance.sol



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

pragma solidity 0.8.19;

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

// File: contracts/local-action-proxy/LocalActionProxy.sol



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

pragma solidity 0.8.19;

import { IActionDataStructures } from '../interfaces/IActionDataStructures.sol';
import { BalanceManagement } from '../BalanceManagement.sol';
import { CallerGuard } from '../CallerGuard.sol';
import { Pausable } from '../Pausable.sol';
import { SystemVersionId } from '../SystemVersionId.sol';
import { ZeroAddressError } from '../Errors.sol';
import '../helpers/AddressHelper.sol' as AddressHelper;
import '../helpers/RefundHelper.sol' as RefundHelper;
import '../helpers/TransferHelper.sol' as TransferHelper;
import '../Constants.sol' as Constants;

/**
 * @title LocalActionProxy
 * @notice Local action proxy contract
 */
contract LocalActionProxy is
    SystemVersionId,
    Pausable,
    CallerGuard,
    BalanceManagement,
    IActionDataStructures
{
    /**
     * @dev The address of the action executor contract
     */
    ILocalActionExecutor public actionExecutor;

    /**
     * @dev The address of the fee collector
     */
    address public feeCollector;

    /**
     * @notice Emitted when the action executor contract reference is set
     * @param actionExecutor The action executor contract address
     */
    event SetActionExecutor(address indexed actionExecutor);

    /**
     * @notice Emitted when the address of the fee collector is set
     * @param feeCollector The address of the fee collector
     */
    event SetFeeCollector(address indexed feeCollector);

    /**
     * @notice Emitted when the extra balance is refunded
     * @param actionId The ID of the action
     * @param sender The address of the user
     */
    event LocalActionExecuted(uint256 indexed actionId, address indexed sender);

    /**
     * @notice Emitted when the extra balance is refunded
     * @param to The refund receiver's address
     * @param extraBalance The extra balance of the native token
     */
    event ExtraBalanceRefunded(address indexed to, uint256 extraBalance);

    /**
     * @notice Emitted when the native token value of the transaction does not correspond to the swap amount
     */
    error NativeTokenValueError();

    /**
     * @notice Initializes the LocalActionProxy contract
     * @param _actionExecutor The address of the action executor contract
     * @param _feeCollector The address of the fee collector
     * @param _owner The address of the initial owner of the contract
     * @param _managers The addresses of initial managers of the contract
     * @param _addOwnerToManagers The flag to optionally add the owner to the list of managers
     */
    constructor(
        ILocalActionExecutor _actionExecutor,
        address _feeCollector,
        address _owner,
        address[] memory _managers,
        bool _addOwnerToManagers
    ) {
        _setActionExecutor(_actionExecutor);
        _setFeeCollector(_feeCollector);

        _initRoles(_owner, _managers, _addOwnerToManagers);
    }

    /**
     * @notice The standard "receive" function
     * @dev Is payable to allow receiving native token funds from the action executor
     */
    receive() external payable {}

    /**
     * @notice Executes a single-chain action
     * @param _localAction The parameters of the action
     * @param _processingFee The processing fee value
     */
    function executeLocal(
        LocalAction memory _localAction,
        uint256 _processingFee
    ) external payable whenNotPaused checkCaller {
        uint256 initialBalance = address(this).balance - msg.value;

        address fromTokenAddress = _localAction.fromTokenAddress;
        uint256 fromAmount = _localAction.swapInfo.fromAmount;

        bool fromNative = fromTokenAddress == Constants.NATIVE_TOKEN_ADDRESS;

        uint256 requiredNativeTokenValue = fromNative
            ? fromAmount + _processingFee
            : _processingFee;

        if (msg.value < requiredNativeTokenValue) {
            revert NativeTokenValueError();
        }

        if (!fromNative) {
            TransferHelper.safeTransferFrom(
                fromTokenAddress,
                msg.sender,
                address(this),
                fromAmount
            );

            TransferHelper.safeApprove(fromTokenAddress, address(actionExecutor), fromAmount);
        }

        if (_localAction.recipient == address(0)) {
            _localAction.recipient = msg.sender;
        }

        uint256 actionId = actionExecutor.executeLocal{ value: fromNative ? fromAmount : 0 }(
            _localAction
        );

        emit LocalActionExecuted(actionId, msg.sender);

        if (!fromNative) {
            TransferHelper.safeApprove(fromTokenAddress, address(actionExecutor), 0);
        }

        TransferHelper.safeTransferNative(feeCollector, _processingFee);

        uint256 extraBalance = RefundHelper.refundExtraBalanceWithResult(
            address(this),
            initialBalance,
            payable(msg.sender)
        );

        if (extraBalance > 0) {
            emit ExtraBalanceRefunded(msg.sender, extraBalance);
        }
    }

    /**
     * @notice Sets the action executor contract reference
     * @param _actionExecutor The action executor contract address
     */
    function setActionExecutor(ILocalActionExecutor _actionExecutor) external onlyManager {
        _setActionExecutor(_actionExecutor);
    }

    /**
     * @notice Sets the address of the fee collector
     * @param _feeCollector The address of the fee collector
     */
    function setFeeCollector(address _feeCollector) external onlyManager {
        _setFeeCollector(_feeCollector);
    }

    function _setActionExecutor(ILocalActionExecutor _actionExecutor) private {
        AddressHelper.requireContract(address(_actionExecutor));

        actionExecutor = _actionExecutor;

        emit SetActionExecutor(address(_actionExecutor));
    }

    function _setFeeCollector(address _feeCollector) private {
        if (_feeCollector == address(0)) {
            revert ZeroAddressError();
        }

        feeCollector = _feeCollector;

        emit SetFeeCollector(_feeCollector);
    }
}

interface ILocalActionExecutor is IActionDataStructures {
    function executeLocal(
        LocalAction calldata _localAction
    ) external payable returns (uint256 actionId);
}

// File: contracts/Pausable.sol



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

pragma solidity 0.8.19;

import { Pausable as PausableBase } from '@openzeppelin/contracts/security/Pausable.sol';
import { ManagerRole } from './roles/ManagerRole.sol';

/**
 * @title Pausable
 * @notice Base contract that implements the emergency pause mechanism
 */
abstract contract Pausable is PausableBase, ManagerRole {
    /**
     * @notice Enter pause state
     */
    function pause() external onlyManager whenNotPaused {
        _pause();
    }

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

// File: contracts/roles/ManagerRole.sol



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

pragma solidity 0.8.19;

import { Ownable } from '@openzeppelin/contracts/access/Ownable.sol';
import { RoleBearers } from './RoleBearers.sol';

/**
 * @title ManagerRole
 * @notice Base contract that implements the Manager role.
 * The manager role is a high-permission role for core team members only.
 * Managers can set vaults and routers addresses, fees, cross-chain protocols,
 * and other parameters for Interchain (cross-chain) swaps and single-network swaps.
 * Please note, the manager role is unique for every contract,
 * hence different addresses may be assigned as managers for different contracts.
 */
abstract contract ManagerRole is Ownable, RoleBearers {
    bytes32 private constant ROLE_KEY = keccak256('Manager');

    /**
     * @notice Emitted when the Manager role status for the account is updated
     * @param account The account address
     * @param value The Manager role status flag
     */
    event SetManager(address indexed account, bool indexed value);

    /**
     * @notice Emitted when the Manager role status for the account is renounced
     * @param account The account address
     */
    event RenounceManagerRole(address indexed account);

    /**
     * @notice Emitted when the caller is not a Manager role bearer
     */
    error OnlyManagerError();

    /**
     * @dev Modifier to check if the caller is a Manager role bearer
     */
    modifier onlyManager() {
        if (!isManager(msg.sender)) {
            revert OnlyManagerError();
        }

        _;
    }

    /**
     * @notice Updates the Manager role status for the account
     * @param _account The account address
     * @param _value The Manager role status flag
     */
    function setManager(address _account, bool _value) public onlyOwner {
        _setRoleBearer(ROLE_KEY, _account, _value);

        emit SetManager(_account, _value);
    }

    /**
     * @notice Renounces the Manager role
     */
    function renounceManagerRole() external onlyManager {
        _setRoleBearer(ROLE_KEY, msg.sender, false);

        emit RenounceManagerRole(msg.sender);
    }

    /**
     * @notice Getter of the Manager role bearer count
     * @return The Manager role bearer count
     */
    function managerCount() external view returns (uint256) {
        return _roleBearerCount(ROLE_KEY);
    }

    /**
     * @notice Getter of the complete list of the Manager role bearers
     * @return The complete list of the Manager role bearers
     */
    function fullManagerList() external view returns (address[] memory) {
        return _fullRoleBearerList(ROLE_KEY);
    }

    /**
     * @notice Getter of the Manager role bearer status
     * @param _account The account address
     */
    function isManager(address _account) public view returns (bool) {
        return _isRoleBearer(ROLE_KEY, _account);
    }

    function _initRoles(
        address _owner,
        address[] memory _managers,
        bool _addOwnerToManagers
    ) internal {
        address ownerAddress = _owner == address(0) ? msg.sender : _owner;

        for (uint256 index; index < _managers.length; index++) {
            setManager(_managers[index], true);
        }

        if (_addOwnerToManagers && !isManager(ownerAddress)) {
            setManager(ownerAddress, true);
        }

        if (ownerAddress != msg.sender) {
            transferOwnership(ownerAddress);
        }
    }
}

// File: contracts/roles/RoleBearers.sol



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

pragma solidity 0.8.19;

import '../Constants.sol' as Constants;
import '../DataStructures.sol' as DataStructures;

/**
 * @title RoleBearers
 * @notice Base contract that implements role-based access control
 * @dev A custom implementation providing full role bearer lists
 */
abstract contract RoleBearers {
    mapping(bytes32 /*roleKey*/ => address[] /*roleBearers*/) private roleBearerTable;
    mapping(bytes32 /*roleKey*/ => mapping(address /*account*/ => DataStructures.OptionalValue /*status*/))
        private roleBearerIndexTable;

    function _setRoleBearer(bytes32 _roleKey, address _account, bool _value) internal {
        DataStructures.uniqueAddressListUpdate(
            roleBearerTable[_roleKey],
            roleBearerIndexTable[_roleKey],
            _account,
            _value,
            Constants.LIST_SIZE_LIMIT_DEFAULT
        );
    }

    function _isRoleBearer(bytes32 _roleKey, address _account) internal view returns (bool) {
        return roleBearerIndexTable[_roleKey][_account].isSet;
    }

    function _roleBearerCount(bytes32 _roleKey) internal view returns (uint256) {
        return roleBearerTable[_roleKey].length;
    }

    function _fullRoleBearerList(bytes32 _roleKey) internal view returns (address[] memory) {
        return roleBearerTable[_roleKey];
    }
}

// File: contracts/SystemVersionId.sol



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

pragma solidity 0.8.19;

/**
 * @title SystemVersionId
 * @notice Base contract providing the system version identifier
 */
abstract contract SystemVersionId {
    /**
     * @dev The system version identifier
     */
    uint256 public constant SYSTEM_VERSION_ID = uint256(keccak256('Initial'));
}