// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
pragma solidity ^0.8.20;

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address to, uint256 value) external returns (bool);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);
}

// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}

// File: @openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

abstract contract Initializable {
    struct InitializableStorage {
        uint64 _initialized;
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE =
        0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    error InvalidInitialization();

    error NotInitializing();

    event Initialized(uint64 version);

    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reininitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    function _disableInitializers() internal virtual {
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    function _getInitializableStorage()
        private
        pure
        returns (InitializableStorage storage $)
    {
        assembly {
            $.slot := INITIALIZABLE_STORAGE
        }
    }
}

// File: @openzeppelin/contracts-upgradeable/token/IERC20Upgradeable.sol
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

interface IERC20Upgradeable {
    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address to, uint256 amount) external returns (bool);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// File: @openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

abstract contract ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {}

    function __Context_init_unchained() internal onlyInitializing {}

    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// File: @openzeppelin/contracts/interfaces/draft-IERC6093.sol
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard ERC-20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
 */
interface IERC20Errors {
    error ERC20InsufficientBalance(
        address sender,
        uint256 balance,
        uint256 needed
    );

    error ERC20InvalidSender(address sender);

    error ERC20InvalidReceiver(address receiver);

    error ERC20InsufficientAllowance(
        address spender,
        uint256 allowance,
        uint256 needed
    );

    error ERC20InvalidApprover(address approver);

    error ERC20InvalidSpender(address spender);
}

interface IERC721Errors {
    error ERC721InvalidOwner(address owner);

    error ERC721NonexistentToken(uint256 tokenId);

    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    error ERC721InvalidSender(address sender);

    error ERC721InvalidReceiver(address receiver);

    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    error ERC721InvalidApprover(address approver);

    error ERC721InvalidOperator(address operator);
}

interface IERC1155Errors {
    error ERC1155InsufficientBalance(
        address sender,
        uint256 balance,
        uint256 needed,
        uint256 tokenId
    );

    error ERC1155InvalidSender(address sender);

    error ERC1155InvalidReceiver(address receiver);

    error ERC1155MissingApprovalForAll(address operator, address owner);

    error ERC1155InvalidApprover(address approver);

    error ERC1155InvalidOperator(address operator);

    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

abstract contract ERC20Upgradeable is
    Initializable,
    ContextUpgradeable,
    IERC20,
    IERC20Metadata,
    IERC20Errors
{
    /// @custom:storage-location erc7201:openzeppelin.storage.ERC20
    struct ERC20Storage {
        mapping(address => uint256) _balances;
        mapping(address => mapping(address => uint256)) _allowances;
        uint256 _totalSupply;
        string _name;
        string _symbol;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC20StorageLocation =
        0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;

    function _getERC20Storage() private pure returns (ERC20Storage storage $) {
        assembly {
            $.slot := ERC20StorageLocation
        }
    }

    function __ERC20_init(string memory name_, string memory symbol_)
        internal
        onlyInitializing
    {
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_)
        internal
        onlyInitializing
    {
        ERC20Storage storage $ = _getERC20Storage();
        $._name = name_;
        $._symbol = symbol_;
    }

    function name() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._name;
    }

    function symbol() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._symbol;
    }

    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._totalSupply;
    }

    function balanceOf(address account) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._balances[account];
    }

    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    function allowance(address owner, address spender)
        public
        view
        virtual
        returns (uint256)
    {
        ERC20Storage storage $ = _getERC20Storage();
        return $._allowances[owner][spender];
    }

    function approve(address spender, uint256 value)
        public
        virtual
        returns (bool)
    {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    function _transfer(
        address from,
        address to,
        uint256 value
    ) internal virtual {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    function _update(
        address from,
        address to,
        uint256 value
    ) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            $._totalSupply += value;
        } else {
            uint256 fromBalance = $._balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                $._balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                $._totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                $._balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    function _approve(
        address owner,
        address spender,
        uint256 value
    ) internal {
        _approve(owner, spender, value, true);
    }

    function _approve(
        address owner,
        address spender,
        uint256 value,
        bool emitEvent
    ) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        $._allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    function _spendAllowance(
        address owner,
        address spender,
        uint256 value
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(
                    spender,
                    currentAllowance,
                    value
                );
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// File: @openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20BurnableUpgradeable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.20;

abstract contract ERC20BurnableUpgradeable is
    Initializable,
    ContextUpgradeable,
    ERC20Upgradeable
{
    function __ERC20Burnable_init() internal onlyInitializing {}

    function __ERC20Burnable_init_unchained() internal onlyInitializing {}

    function burn(uint256 value) public virtual {
        _burn(_msgSender(), value);
    }

    function burnFrom(address account, uint256 value) public virtual {
        _spendAllowance(account, _msgSender(), value);
        _burn(account, value);
    }
}

// File: @openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
    /// @custom:storage-location erc7201:openzeppelin.storage.Ownable
    struct OwnableStorage {
        address _owner;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant OwnableStorageLocation =
        0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300;

    function _getOwnableStorage()
        private
        pure
        returns (OwnableStorage storage $)
    {
        assembly {
            $.slot := OwnableStorageLocation
        }
    }

    error OwnableUnauthorizedAccount(address account);
    error OwnableInvalidOwner(address owner);

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

    function __Ownable_init(address initialOwner) internal onlyInitializing {
        __Ownable_init_unchained(initialOwner);
    }

    function __Ownable_init_unchained(address initialOwner)
        internal
        onlyInitializing
    {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    function owner() public view virtual returns (address) {
        OwnableStorage storage $ = _getOwnableStorage();
        return $._owner;
    }

    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal virtual {
        OwnableStorage storage $ = _getOwnableStorage();
        address oldOwner = $._owner;
        $._owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @openzeppelin/contracts/interfaces/draft-IERC1822.sol
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.20;

interface IERC1822Proxiable {
    function proxiableUUID() external view returns (bytes32);
}

pragma solidity ^0.8.20;

interface IBeacon {
    function implementation() external view returns (address);
}

// File: @openzeppelin/contracts/interfaces/IERC1967.sol
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol)

pragma solidity ^0.8.20;

interface IERC1967 {
    event Upgraded(address indexed implementation);

    event AdminChanged(address previousAdmin, address newAdmin);

    event BeaconUpgraded(address indexed beacon);
}

// File: @openzeppelin/contracts/utils/Errors.sol
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)

pragma solidity ^0.8.20;

library Errors {
    error InsufficientBalance(uint256 balance, uint256 needed);

    error FailedCall();

    error FailedDeployment();

    error MissingPrecompile(address);
}

// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol)

pragma solidity ^0.8.20;

library Address {
    error AddressEmptyCode(address target);

    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert Errors.InsufficientBalance(address(this).balance, amount);
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert Errors.FailedCall();
        }
    }

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

    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        (bool success, bytes memory returndata) = target.call{value: value}(
            data
        );
        return verifyCallResultFromTarget(target, success, returndata);
    }

    function functionStaticCall(address target, bytes memory data)
        internal
        view
        returns (bytes memory)
    {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    function functionDelegateCall(address target, bytes memory data)
        internal
        returns (bytes memory)
    {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    function verifyCallResult(bool success, bytes memory returndata)
        internal
        pure
        returns (bytes memory)
    {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    function _revert(bytes memory returndata) 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
            assembly ("memory-safe") {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert Errors.FailedCall();
        }
    }
}

// File: @openzeppelin/contracts/utils/StorageSlot.sol
// OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct Int256Slot {
        int256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    function getAddressSlot(bytes32 slot)
        internal
        pure
        returns (AddressSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getBooleanSlot(bytes32 slot)
        internal
        pure
        returns (BooleanSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getBytes32Slot(bytes32 slot)
        internal
        pure
        returns (Bytes32Slot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getUint256Slot(bytes32 slot)
        internal
        pure
        returns (Uint256Slot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getInt256Slot(bytes32 slot)
        internal
        pure
        returns (Int256Slot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getStringSlot(bytes32 slot)
        internal
        pure
        returns (StringSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getStringSlot(string storage store)
        internal
        pure
        returns (StringSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := store.slot
        }
    }

    function getBytesSlot(bytes32 slot)
        internal
        pure
        returns (BytesSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := slot
        }
    }

    function getBytesSlot(bytes storage store)
        internal
        pure
        returns (BytesSlot storage r)
    {
        assembly ("memory-safe") {
            r.slot := store.slot
        }
    }
}

// File: @openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol
// OpenZeppelin Contracts (last updated v5.1.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.21;

library ERC1967Utils {
    bytes32 internal constant IMPLEMENTATION_SLOT =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    error ERC1967InvalidImplementation(address implementation);

    error ERC1967InvalidAdmin(address admin);

    error ERC1967InvalidBeacon(address beacon);

    error ERC1967NonPayable();

    function getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
    }

    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot
            .getAddressSlot(IMPLEMENTATION_SLOT)
            .value = newImplementation;
    }

    function upgradeToAndCall(address newImplementation, bytes memory data)
        internal
    {
        _setImplementation(newImplementation);
        emit IERC1967.Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    bytes32 internal constant ADMIN_SLOT =
        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    function getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
    }

    function _setAdmin(address newAdmin) private {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    function changeAdmin(address newAdmin) internal {
        emit IERC1967.AdminChanged(getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    bytes32 internal constant BEACON_SLOT =
        0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    function getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(BEACON_SLOT).value;
    }

    function _setBeacon(address newBeacon) private {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    function upgradeBeaconToAndCall(address newBeacon, bytes memory data)
        internal
    {
        _setBeacon(newBeacon);
        emit IERC1967.BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(
                IBeacon(newBeacon).implementation(),
                data
            );
        } else {
            _checkNonPayable();
        }
    }

    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

// File: @openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol
// OpenZeppelin Contracts (last updated v5.1.0) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.20;

abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {
    address private immutable __self = address(this);

    string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";

    error UUPSUnauthorizedCallContext();

    error UUPSUnsupportedProxiableUUID(bytes32 slot);

    modifier onlyProxy() {
        _checkProxy();
        _;
    }

    modifier notDelegated() {
        _checkNotDelegated();
        _;
    }

    function __UUPSUpgradeable_init() internal onlyInitializing {}

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {}

    function proxiableUUID()
        external
        view
        virtual
        notDelegated
        returns (bytes32)
    {
        return ERC1967Utils.IMPLEMENTATION_SLOT;
    }

    function upgradeToAndCall(address newImplementation, bytes memory data)
        public
        payable
        virtual
        onlyProxy
    {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data);
    }

    function _checkProxy() internal view virtual {
        if (
            address(this) == __self || // Must be called through delegatecall
            ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
        ) {
            revert UUPSUnauthorizedCallContext();
        }
    }

    function _checkNotDelegated() internal view virtual {
        if (address(this) != __self) {
            // Must not be called through delegatecall
            revert UUPSUnauthorizedCallContext();
        }
    }

    function _authorizeUpgrade(address newImplementation) internal virtual;

    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data)
        private
    {
        try IERC1822Proxiable(newImplementation).proxiableUUID() returns (
            bytes32 slot
        ) {
            if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
                revert UUPSUnsupportedProxiableUUID(slot);
            }
            ERC1967Utils.upgradeToAndCall(newImplementation, data);
        } catch {
            // The implementation is not UUPS
            revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
        }
    }
}

// File: @openzeppelin/contracts/security/ReentrancyGuard.sol
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

abstract contract ReentrancyGuard {
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        _status = _NOT_ENTERED;
    }

    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// File: @uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol

pragma solidity >=0.5.0;

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB)
        external
        view
        returns (address pair);

    function allPairs(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

    function createPair(address tokenA, address tokenB)
        external
        returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

// File: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountToken, uint256 amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountToken, uint256 amountETH);

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) external pure returns (uint256 amountB);

    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountOut);

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);

    function getAmountsOut(uint256 amountIn, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);
}

// File: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol

pragma solidity >=0.6.2;

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

// File: @uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol

pragma solidity >=0.5.0;

interface IUniswapV2Pair {
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 value);

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Burn(
        address indexed sender,
        uint256 amount0,
        uint256 amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );

    function price0CumulativeLast() external view returns (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function mint(address to) external returns (uint256 liquidity);

    function burn(address to)
        external
        returns (uint256 amount0, uint256 amount1);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

// File: contracts/EcoFrog.sol

pragma solidity ^0.8.0;

contract EcoFrog is
    Initializable,
    ERC20Upgradeable,
    ERC20BurnableUpgradeable,
    OwnableUpgradeable,
    UUPSUpgradeable,
    ReentrancyGuard
{
    constructor() Initializable() {
        uniswapRouter = IUniswapV2Router02(
            0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24
        );

        uniswapV2Pair = IUniswapV2Factory(uniswapRouter.factory()).createPair(
            address(this),
            uniswapRouter.WETH()
        );
    }

    string public constant tokenMetadata =
        "https://violet-tremendous-gopher-860.mypinata.cloud/ipfs/bafkreic67cpsfucipfxrk6mxe7eqci22st5g5wa7ag7uzgx5kkymuqkv4u";

    // Locally implement metadata
    string public constant logoURI = "https://i.imgur.com/SxDPk9B.png";
    string public constant website = "https://www.froggo.org";
    string public constant description =
        "$FROGGO is a revolutionary eco-friendly memecoin that transforms the concept of cryptocurrency by directly linking digital assets with real-world environmental impact. Our mission goes beyond the blockchain for every 10,000 transactions, we restore one acre of vital wetland habitat, making a tangible difference in amphibian conservation and ecosystem restoration. Through our innovative NFT collection, P2E game mechanics, and merchandise program, we're creating a sustainable ecosystem that directly supports environmental conservation while building a strong, engaged community of eco-conscious investors.";

    uint256 public constant TOTAL_SUPPLY = 10_000_000_000 * 10**18; // Adjusted to match old token supply

    // Fees
    uint256 public constant CHARITY_FEE = 1; // 1% to charity
    uint256 public constant STAKING_FEE = 1; // 1% to staking
    uint256 public constant LIQUIDITY_FEE = 1; // 1% to liquidity pool

    // Wallets
    address public charityWallet;
    address public devWallet;

    // Uniswap router
    IUniswapV2Router02 public uniswapRouter;
    address public immutable uniswapV2Pair;

    // Market pair tracking
    mapping(address => bool) public marketPair;

    // Migration, Swap and fee management
    uint256 public tokensForLiquidity;
    uint256 public swapThreshold;

    bool public migrationUnlocked = true;
    bool public swapEnabled;

    bool private inSwap;

    // Staking
    struct Stake {
        uint256 amount;
        uint256 startTime;
    }
    mapping(address => Stake[]) public stakes;
    uint256 public totalStaked;

    // Airdrop tracker
    mapping(address => bool) public airdropClaimed;

    event LiquidityAdded(uint256 tokenAmount, uint256 ethAmount);

    event TokensStaked(address indexed user, uint256 amount);
    event TokensUnstaked(address indexed user, uint256 amount);
    event TransferFeeDistributed(
        address indexed sender,
        uint256 charityFee,
        uint256 stakingFee
    );

    event AirdropDistributed(address indexed recipient, uint256 amount);
    event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived);
    event Step(string description, uint256 value);
    event MigrationLocked();

    modifier lockSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    modifier onlyWhenMigrationUnlocked() {
        require(migrationUnlocked, "Migration is currently locked");
        _;
    }

    function initialize() external initializer {
        __ERC20_init("EcoFrog", "ECO");
        __ERC20Burnable_init();
        __Ownable_init(msg.sender);
        __UUPSUpgradeable_init();

        charityWallet = 0xD89E97545D91500c9a70DbE7279cf5A22C32112c;
        devWallet = 0xafb9459f50a86dBEf445e2B0BE45CdC8D7E48D02;

        // Mint total supply
        _mint(address(this), TOTAL_SUPPLY);

        // Allocate ecosystem tokens
        uint256 ecosystemTokens = (TOTAL_SUPPLY * 10) / 100;

        _transfer(address(this), charityWallet, ecosystemTokens);
        _transfer(address(this), devWallet, ecosystemTokens);

        swapThreshold = (TOTAL_SUPPLY * 1) / 100000; // 0.0001% of total supply (100,000 tokens per liquidity addition)
        swapEnabled = true;
    }

    function _authorizeUpgrade(address newImplementation)
        internal
        override
        onlyOwner
    {}

    function setMarketPair(address pair, bool value) external onlyOwner {
        marketPair[pair] = value;
    }

    function stakeTokens(uint256 amount) external nonReentrant {
        require(amount > 0, "Amount must be greater than zero");
        require(balanceOf(msg.sender) >= amount, "Insufficient balance");

        _transfer(msg.sender, address(this), amount);
        stakes[msg.sender].push(Stake(amount, block.timestamp));
        totalStaked += amount;

        emit TokensStaked(msg.sender, amount);
    }

    function unstakeTokens(uint256 index) external nonReentrant {
        require(index < stakes[msg.sender].length, "Invalid stake index");
        Stake memory userStake = stakes[msg.sender][index];

        require(
            block.timestamp >= userStake.startTime + 1 weeks,
            "You must wait at least 1 week before unstaking."
        );

        uint256 reward = calculateStakingReward(userStake);
        uint256 totalAmount = userStake.amount + reward;

        _transfer(address(this), msg.sender, totalAmount);

        totalStaked -= userStake.amount;
        removeStake(msg.sender, index);

        emit TokensUnstaked(msg.sender, totalAmount);
    }

    function calculateStakingReward(Stake memory stake)
        public
        view
        returns (uint256)
    {
        uint256 stakingDuration = block.timestamp - stake.startTime;

        uint256 annualRewardRate = 10; // 10% annual reward rate
        return
            (stake.amount * annualRewardRate * stakingDuration) /
            (365 days * 100);
    }

    function removeStake(address user, uint256 index) internal {
        require(index < stakes[user].length, "Invalid index");
        stakes[user][index] = stakes[user][stakes[user].length - 1];
        stakes[user].pop();
    }

    function lockMigration() external onlyOwner {
        migrationUnlocked = false;
        emit MigrationLocked();
    }

    function migrateFROGGO(uint256 amount)
        external
        nonReentrant
        onlyWhenMigrationUnlocked
    {
        require(msg.sender != address(0), "Invalid address");
        require(amount > 0, "Invalid token amount");

        IERC20 oldToken = IERC20(0x01eC5f71BdAdab52ac12eb4d7914C44C251CaE33);

        address migrationWallet = 0x398d52114Ea5BADedc71A5B6629b8f6b17f9f726;
        // Transfer `$FROGGO` from the user to the contract
        bool success = oldToken.transferFrom(msg.sender, migrationWallet, amount);

        require(success, "Transfer failed");

        _transfer(address(this), msg.sender, amount * 10);

        emit Step("FROGGO Deposited", amount);
    }

    function _safeApprove(address spender, uint256 amount) internal {
        if (IERC20(address(this)).allowance(address(this), spender) > 0) {
            IERC20(address(this)).approve(spender, 0);
        }
        IERC20(address(this)).approve(spender, amount);
    }

    function addECOFROGLiquidity(
        address routerAddress,
        uint256 ethAmount,
        uint256 newTokenAmount
    ) external {
        require(ethAmount > 0, "Invalid ETH amount");
        require(newTokenAmount > 0, "Invalid token amount");

        IUniswapV2Router02 router = IUniswapV2Router02(routerAddress);

        _safeApprove(routerAddress, newTokenAmount);

        router.addLiquidityETH{value: ethAmount}(
            address(this),
            newTokenAmount,
            0,
            0,
            address(this),
            block.timestamp
        );

        emit Step("Liquidity Added", ethAmount);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount)
        external
        payable
        onlyOwner
    {
        _safeApprove(address(uniswapRouter), tokenAmount);

        uniswapRouter.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            tokenAmount * 99 / 100,
            ethAmount * 99 / 100,
            address(0),
            block.timestamp
        );

        emit LiquidityAdded(tokenAmount, ethAmount);
    }

    function swapTokensForETH(uint256 tokenAmount) internal returns (uint256) {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapRouter.WETH();

        _safeApprove(address(uniswapRouter), tokenAmount);

        uint256 initialBalance = address(this).balance;
        try uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            1,
            path,
            address(this),
            block.timestamp
        ) {
            uint256 ethReceived = address(this).balance - initialBalance;
            require(ethReceived > 0, "Swap failed: no ETH received");
            return ethReceived;
        } catch {
            revert("Uniswap swap failed");
        }
    }

    function swapBack() private lockSwap {
        uint256 contractBalance = balanceOf(address(this));
        if (contractBalance == 0 || contractBalance < swapThreshold) return;

        uint256 liquidityTokens = (contractBalance * 30) / 100; // 30% of the supply for liquidity
        uint256 tokensToSwap = contractBalance - liquidityTokens;

        uint256 ethReceived = swapTokensForETH(tokensToSwap);
        uint256 ethForLiquidity = ethReceived / 2;

        if (liquidityTokens > 0 && ethForLiquidity > 0) {
            this.addLiquidity(liquidityTokens, ethForLiquidity);
        }

        emit SwapAndLiquify(tokensToSwap, ethReceived);
    }

function claimAirdrop(uint256 amount, address recipient) external onlyOwner {
    require(recipient != address(0), "Invalid recipient address");
    require(amount > 0, "Amount must be greater than zero");
    require(!airdropClaimed[recipient], "Airdrop already claimed");
    require(
        balanceOf(address(this)) >= amount,
        "Not enough tokens for airdrop"
    );

    airdropClaimed[recipient] = true;
    _transfer(address(this), recipient, amount);

    emit AirdropDistributed(recipient, amount);
}

function multiAirdrop(address[] calldata recipients, uint256[] calldata amounts) external onlyOwner {
    require(recipients.length == amounts.length, "Recipients and amounts length mismatch");

    for (uint256 i = 0; i < recipients.length; i++) {
        address recipient = recipients[i];
        uint256 amount = amounts[i];

        require(recipient != address(0), "Invalid recipient address");
        require(amount > 0, "Amount must be greater than zero");
        require(!airdropClaimed[recipient], "Airdrop already claimed");
        require(
            balanceOf(address(this)) >= amount,
            "Not enough tokens for airdrop"
        );

        airdropClaimed[recipient] = true;
        _transfer(address(this), recipient, amount);

        emit AirdropDistributed(recipient, amount);
    }
}


    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal override {
        require(amount > 0, "Transfer amount must be greater than zero");

        bool isMarketPairTransfer = marketPair[sender] || marketPair[recipient];

        uint256 charityFee = (amount * CHARITY_FEE) / 100;
        uint256 stakingFee = isMarketPairTransfer
            ? (amount * STAKING_FEE) / 100
            : 0;
        uint256 liquidityFee = isMarketPairTransfer
            ? (amount * LIQUIDITY_FEE) / 100
            : 0;
        uint256 transferAmount = amount -
            charityFee -
            stakingFee -
            liquidityFee;

        if (isMarketPairTransfer) {
            tokensForLiquidity += liquidityFee;

            super._transfer(sender, address(this), stakingFee + liquidityFee);
        }

        super._transfer(sender, charityWallet, charityFee);
        super._transfer(sender, recipient, transferAmount);

        if (!inSwap && swapEnabled && marketPair[recipient]) {
            swapBack();
        }

        emit TransferFeeDistributed(sender, charityFee, stakingFee);
    }

    receive() external payable {
        require(msg.sender == address(uniswapRouter), "Only router can send ETH");
        require(msg.value > 0, "No ETH sent");
    }
}

{
  "compilationTarget": {
    "EcoFrog.sol": "EcoFrog"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}