Error compiling contracts using hardhat

error

contracts/Zoe_cash_UpgradableV1.sol:151:7: ParserError: Expected pragma, import directive or contract/interface/library/struct/enum/constant/function definition.
constructor(address _stakingAddress, address _PRIVATE_OFFER_ADDRESS) public {
^---------^

Error HH600: Compilation failed

…/code

    // SPDX-License-Identifier: UNLICENSED
    // Contrato actualizable creado por Fidubit S.A.S
    // Contrato de trabajo y prestamos para freelancers
    // https://zoe.cash 
    // Zoe cash es un token creado en español, con el fin de proveer servicios fintech y de trabajo Part-time a emigrantes de origen Hispanohablante 
    // Freelancers +  prestamos rapidos para freelancers ++ Unico Token en el mundo donde podrás pagar un prestamo con trabajo remunerado, sin colaterales para stakers y Freelancers nivel 2 

    //este contrato no tiene presales, su distribucion inicial es por medio de Airdrop 


    pragma solidity ^0.7.6;

    import "./IERC20Upgradeable.sol";
    import "./IERC20MetadataUpgradeable.sol";
    import "./utils/ContextUpgradeable.sol";
    import "./proxy/Initializable.sol";
    import "./Zoe_cash_staking.sol";
    import "./BaseRelayRecipient.sol";


    /**
     * @title SafeMath
     * @dev Math operations with safety checks that throw on error
     *
    */

    library SafeMath {
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
          return 0;
        }
        uint256 c = a * b;
        assert(c / a == b);
        return c;
      }

      function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
      }

      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
      }

      function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
      }

      function ceil(uint a, uint m) internal pure returns (uint r) {
        return (a + m - 1) / m * m; 
      }
    }

    // ----------------------------------------------------------------------------
    // Owned contract
    // ----------------------------------------------------------------------------
    contract Owned {
        address payable public owner;

        event OwnershipTransferred(address indexed _from, address indexed _to);

    constructor() public {
            owner = msg.sender;
        }

        modifier onlyOwner {
            require(msg.sender == owner, "Only allowed by owner");
            _;
        }

        function transferOwnership(address payable _newOwner) external onlyOwner {
            require(_newOwner != address(0),"Invalid address passed");
            owner = _newOwner;
            emit OwnershipTransferred(msg.sender, _newOwner);
        }
    }

    //

    //** Zoe cash token detalles de contrato mercado deflacionario  */

    // Fidubit S.A.S - Colombia

     // ----------------------------------------------------------------------------
    // 'ZOE CASH Deflactionary Defi work Token' token contract

    // Symbol      : ZOE
    // Name        : Zoe Cash
    // Total supply: 100,000,000 (100 Millions)
    // Decimals    : 6
    // ----------------------------------------------------------------------------


    // ----------------------------------------------------------------------------
    // ERC20 Token, with the addition of symbol, name and decimals and assisted
    // token transfers
    // ----------------------------------------------------------------------------
    contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable,zoe_cash_staking,EIP712MetaTransaction,BaseRelayRecipient {
        using SafeMath for uint256;

        mapping (address => uint256) private _balances;

        mapping (address => mapping (address => uint256)) private _allowances;
        
        string public constant symbol ="ZOE";
        string public constant name = "ZOE CASH";
        uint256 public constant Decimals = 18;
        uint256 private _totalSupply =100000000 * 10 ** (decimals);
        uint256 public tax = 1;

    // definir direcciones de staking, oferta privada, impuestos sobre la transaccion. 
        address public STAKING_ADDRESS;
        address public PRIVATE_OFFER_ADDRESS;
        address public Taxreceiver; // 1%  de cada transaccion serán transferidos a wallet privada
        address public AIRDROP_ADDRESS;

        mapping(address => mapping(address => uint256)) private allowed;
        
        event TaxChanged(uint256 newTax, address changedBy);
            /**
         * @dev Sets the values for {name} and {symbol}.
         *
         * The defaut value of {decimals} is 18. To select a different value for
         * {decimals} you should overload it.
         *
         * All two of these values are immutable: they can only be set once during
         * construction.
         */

         // forward order para reducir los fees del contrato 
         /** 
         * Set the trustedForwarder address either in constructor or 
         * in other init function in your contract
         */ 
        constructor(address _trustedForwarder) public {
            trustedForwarder = _trustedForwarder;
        }
        
          function versionRecipient() external view override returns (string memory) {
            return "1";
        }
    }

         //Constructor  direcciones para Disribuir tokens 
          constructor(address _stakingAddress, address _PRIVATE_OFFER_ADDRESS) public {
            taxReceiver = 0x8D74DaBe71b1b95b4e4c90E5A97850FEB9C20855; // Genosis safe proxy Wallet multisig for Secure contract and tokens recovery 6-2 multisig wallet 
            owner = 0x0aBbA6A9fBe9AD8492866023924aACE1393D413b; // Genosis safe proxy Wallet multisig for Secure contract and tokens recovery 6-2 multisig wallet 
            STAKING_ADDRESS= _stakingAddress;
            PRIVATE_OFFER_ADDRESS = _PRIVATE_OFFER_ADDRESS;
            Airdrop_Address = _Airdrop_Address;
            Listing&Marketing_Address =_Listing&MarketingAddress;
            MainnetFreelancersLaunchAddress = _MainnetFreelancersLaunchAddress;
            CapitalforLoans&DebitcardAddress = _CapitalforLoans&DebitcardAddress;
            Ecosystem = _EcosystemAddress;
            airdrop = _AirdropAddress;
            CEO_Address =_CEO_Address;
        }

            //distribuir los montos de manera inicial 
            STAKING_ADDRESS = 100000000 * 10 ** (decimals); //se usa ether para remplazar la funcion *10 **(decimals) // Tokens for provide rewards to stakeholders
            PRIVATE_OFFER_ADDRESS =20000000 ether; // 50.000.000 de tokens sera distribuidor para venta privada // 50,000,000 will be private sales 
            AIRDROP_ADDRESS = 10000000 ether; // 10.000.000 de tokens para airdrops gratuitos // Free Airdrops 
            Listing&MarketingAddress = 10000000 ether; // 10.000.000 para pagar los costos de publicidad,marketing,listings, SEO- SEM  // listings feee, Marketing
            MainnetFreelancersLaunchAddress = 5000000 ether  // 5.000.000 Costo de nuevos desarrollos, sostener cadenas de bloques, servidores, Mainnet // Mainnet support cost 
            CapitalforLoans&DebitcardAddress = 5000000 ether // 5.000.000   Capital de respaldo para Trocas de posicion y prestamos rapidos a Freelancers / Flash loans for freelancers
            EcosystemAddress = 20000000 ether // 20.000.000 para  ecosystem Zoe CASH
            Developers_Address = 5000000 ether; //5.000.000 de tokens para pagar 
            CEO_Address = 5000000 ether; // tokens de reserva enviados al CEO del token 
            
            balances[owner] = totalSupply();
            emit Transfer(address(0), owner, totalSupply());

        }
    // definir impuestos para reducir total supply 
    function ChangeTax(uint256 _newTax) external onlyOwner{
            require(_newTax <= 5 && _newTax >= 0, "Invalid tax amount");
            tax = _newTax; // se pone en constructor 2 
            emit TaxChanged(_newTax, msg.sender); // msg.sender debe ser desde ahora el forwarder
        }
        // erc20 inicializar 
        function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
            __Context_init_unchained();
            __ERC20_init_unchained(name_, symbol_);
        }
     /// erc20 unchained 
        function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
            _name = "ZOE CASH";
            _symbol = "ZOE";
        }

        /**
         * @dev Returns the name of the token.
         */
        function name() public view virtual override returns (string memory) {
            return _name;
        }

        /**
         * @dev Returns the symbol of the token, usually a shorter version of the
         * name.
         */
        function symbol() public view virtual override returns (string memory) {
            return _symbol;
        }

        /**
         * @dev Returns the number of decimals used to get its user representation.
         * For example, if `decimals` equals `2`, a balance of `505` tokens should
         * be displayed to a user as `5,05` (`505 / 10 ** 2`).
         *
         * Tokens usually opt for a value of 18, imitating the relationship between
         * Ether and Wei. This is the value {ERC20} uses, unless this function is
         * overloaded;
         *
         * NOTE: This information is only used for _display_ purposes: it in
         * no way affects any of the arithmetic of the contract, including
         * {IERC20-balanceOf} and {IERC20-transfer}.
         */
        function decimals() public view virtual override returns (uint8) {
            return 18;
        }

        /**
         * @dev See {IERC20-totalSupply}.
         */
        function totalSupply() public view virtual override returns (uint256) {
            return _totalSupply;
        }

        /**
         * @dev See {IERC20-balanceOf}.
         */
        function balanceOf(address account) public view virtual override returns (uint256) {
            return _balances[account];
        }

        /**
         * @dev See {IERC20-transfer}.
         *
         * Requirements:
         *
         * - `recipient` cannot be the zero address.
         * - the caller must have a balance of at least `amount`.
         */
        function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
            _transfer(_msgSender(), recipient, amount);
            return true;
        }

        /**
         * @dev See {IERC20-allowance}.
         */
        function allowance(address owner, address spender) public view virtual override returns (uint256) {
            return _allowances[owner][spender];
        }

        /**
         * @dev See {IERC20-approve}.
         *
         * Requirements:
         *
         * - `spender` cannot be the zero address.
         */
        function approve(address spender, uint256 amount) public virtual override returns (bool) {
            _approve(_msgSender(), spender, amount);
            return true;
        }

        /**
         * @dev See {IERC20-transferFrom}.
         *
         * Emits an {Approval} event indicating the updated allowance. This is not
         * required by the EIP. See the note at the beginning of {ERC20}.
         *
         * Requirements:
         *
         * - `sender` and `recipient` cannot be the zero address.
         * - `sender` must have a balance of at least `amount`.
         * - the caller must have allowance for ``sender``'s tokens of at least
         * `amount`.
         */

         //logica para que nuestro contrato se vuelva deflaccionario 
         // esta logica envia el 1% de los tokens enviados al receptor, a la cuenta del contador o Tax receiver, a diferencia de otros contratos aquellos tokens se quemaban por cada proceso, 
         // por cuestion de seguridad nuestros tokens solo seran enviados a la cuenta del administrar de fees y estarán disponibles para agregarlos al pool de staking 
     function transferFrom(address from, address to, uint256 tokens) public override returns (bool success){
            require(tokens <= allowed[from][msg.sender], "insufficient allowance"); //check allowance
            require(balances[from] >= tokens, "Insufficient senders balance");
            balances[from] = balances[from].sub(tokens);
            allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);

            uint256 deduction = 0;
            // if the sender and receiver address is not staking address, apply tax 
            // si el emisor y receptor no son stakers, aplicar tasa de impuesto sobre la transacicon, para garantizar la vida util del contrato 
            if (to != STAKING_ADDRESS && from != STAKING_ADDRESS && to!= PRIVATE_OFFER_ADDRESS && from != PRIVATE_OFFER_ADDRESS){
                deduction = onePercent(tokens).mul(tax); // esta Funcion calcula el impuesto aplicado a la transacción
                uint256 _OS = onePercent(deduction).mul(10); // 1% de cada transacción sera enviado al dueño del contrato 0x8D74DaBe71b1b95b4e4c90E5A97850FEB9C20855
                balances[taxReceiver] = balances[taxReceiver].add(_OS); 
                emit Transfer(address(this), taxReceiver, _OS);
                balances[STAKING_ADDRESS] = balances[STAKING_ADDRESS].add(deduction.sub(_OS)); // add the tax deducted to the staking pool for rewards
                emit Transfer(address(this), STAKING_ADDRESS, deduction.sub(_OS));
            }
            
            balances[to] = balances[to].add(tokens.sub(deduction)); // send rest of the amount to the receiver after deduction
            emit Transfer(from, to, tokens.sub(tokens));
            return true;
        }

        /**
         * @dev Atomically increases the allowance granted to `spender` by the caller.
         *
         * This is an alternative to {approve} that can be used as a mitigation for
         * problems described in {IERC20-approve}.
         *
         * Emits an {Approval} event indicating the updated allowance.
         *
         * Requirements:
         *
         * - `spender` cannot be the zero address.
         */
        function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
            _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
            return true;
        }

        /**
         * @dev Atomically decreases the allowance granted to `spender` by the caller.
         *
         * This is an alternative to {approve} that can be used as a mitigation for
         * problems described in {IERC20-approve}.
         *
         * Emits an {Approval} event indicating the updated allowance.
         *
         * Requirements:
         *
         * - `spender` cannot be the zero address.
         * - `spender` must have allowance for the caller of at least
         * `subtractedValue`.
         */
        function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
            uint256 currentAllowance = _allowances[_msgSender()][spender];
            require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);

            return true;
        }

        /**
         * @dev Moves tokens `amount` from `sender` to `recipient`.
         *
         * This is internal function is equivalent to {transfer}, and can be used to
         * e.g. implement automatic token fees, slashing mechanisms, etc.
         *
         * Emits a {Transfer} event.
         *
         * Requirements:
         *
         * - `sender` cannot be the zero address.
         * - `recipient` cannot be the zero address.
         * - `sender` must have a balance of at least `amount`.
         */
        function _transfer(address sender, address recipient, uint256 amount) internal virtual {
            require(sender != address(0), "ERC20: transfer from the zero address");
            require(recipient != address(0), "ERC20: transfer to the zero address");

            _beforeTokenTransfer(sender, recipient, amount);

            uint256 senderBalance = _balances[sender];
            require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
            _balances[sender] = senderBalance - amount;
            _balances[recipient] += amount;

            emit Transfer(sender, recipient, amount);
        }

        /** @dev Creates `amount` tokens and assigns them to `account`, increasing
         * the total supply.
         *
         * Emits a {Transfer} event with `from` set to the zero address.
         *
         * Requirements:
         *
         * - `to` cannot be the zero address.
         */
          //  Mint tokens, solo en caso de ser necesario 
        function _mint(address account, uint256 amount) internal virtual {
            require(account != address(0), "ERC20: mint to the zero address");

            _beforeTokenTransfer(address(0), account, amount);

            _totalSupply += amount;
            _balances[account] += amount;
            emit Transfer(address(0), account, amount);
        }

        /**
         * @dev Destroys `amount` tokens from `account`, reducing the
         * total supply.
         *
         * Emits a {Transfer} event with `to` set to the zero address.
         *
         * Requirements:
         *
         * - `account` cannot be the zero address.
         * - `account` must have at least `amount` tokens.
         */
        function _burn(address account, uint256 amount) internal virtual {
            require(account != address(0), "ERC20: burn from the zero address");

            _beforeTokenTransfer(account, address(0), amount);

            uint256 accountBalance = _balances[account];
            require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
            _balances[account] = accountBalance - amount;
            _totalSupply -= amount;

            emit Transfer(account, address(0), amount);
        }

        /**
         * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
         *
         * This internal function is equivalent to `approve`, and can be used to
         * e.g. set automatic allowances for certain subsystems, etc.
         *
         * Emits an {Approval} event.
         *
         * Requirements:
         *
         * - `owner` cannot be the zero address.
         * - `spender` cannot be the zero address.
         */
        function _approve(address owner, address spender, uint256 amount) internal virtual {
            require(owner != address(0), "ERC20: approve from the zero address");
            require(spender != address(0), "ERC20: approve to the zero address");

            _allowances[owner][spender] = amount;
            emit Approval(owner, spender, amount);
        }

    // function para calcular el gas usado, por el paymaster 
    function getGasLimits()
    external
    view
    returns (
        GasLimits memory limits
    );

    // Prepostcallrelay  call ,  nos indica cual sera el gas mas alto 

    function preRelayedCall(
        GSNTypes.RelayRequest relayRequest,
        bytes approvalData,
        uint256 maxPossibleGas
    )
    external
    returns (
        bytes memory context,
        bool rejectOnRecipientRevert
    );
    // postRelayCall - Nos indica cuanto gas fue pagado por la transaccion

    function postRelayedCall(
        bytes context,
        bool success,
        bytes32 preRetVal,
        uint256 gasUseWithoutPost,
        GSNTypes.GasData calldata gasData
    ) external;

        /**
         * @dev Hook that is called before any transfer of tokens. This includes
         * minting and burning.
         *
         * Calling conditions:
         *
         * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
         * will be to transferred to `to`.
         * - when `from` is zero, `amount` tokens will be minted for `to`.
         * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
         * - `from` and `to` are never both zero.
         *
         * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
         */
        function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
        uint256[45] private __gap;


        // ------------------------------------------------------------------------
        // Calculates onePercent of the uint256 amount sent
        // ------------------------------------------------------------------------
        function onePercent(uint256 _tokens) internal pure returns (uint256){
            uint256 roundValue = _tokens.ceil(100);
            uint onePercentofTokens = roundValue.mul(100).div(100 * 10**uint(2));
            return onePercentofTokens;
        }
    }
    }
1 Like

Hi @Guard_Colombia,

You appear to have an extra } before the constructor(address _stakingAddress, address _PRIVATE_OFFER_ADDRESS), so the compiler is expecting another contract definition and not a function.