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 contract ERC820Registry    - function getManager(address addr)    - function setManager(address addr, add ...    - function getInterfaceImplementer(addr ...    - function setInterfaceImplementer(addr ...  contract ERC820Implementer    - function setInterfaceImplementation(s ...    - function interfaceAddr(address addr, ...    - function delegateManagement(address n ...  contract Ownable    - function Ownable()    - function transferOwnership(address ne ... interface ERC20Token    - function name()    - function symbol()    - function decimals()    - function totalSupply()    - function balanceOf(address owner)    - function transfer(address to, uint256 ...    - function transferFrom(address from, a ...    - function approve(address spender, uin ...    - function allowance(address owner, add ... library SafeMath    - function mul(uint256 a, uint256 b)    - function div(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b)    - function add(uint256 a, uint256 b) interface ERC777Token    - function name()    - function symbol()    - function totalSupply()    - function balanceOf(address owner)    - function granularity()    - function defaultOperators()    - function isOperatorFor(address operat ...    - function authorizeOperator(address op ...    - function revokeOperator(address opera ...    - function send(address to, uint256 amo ...    - function operatorSend(address from, a ...    - function burn(uint256 amount, bytes h ...    - function operatorBurn(address from, u ... interface ERC777TokensSender    - function tokensToSend( interface ERC777TokensRecipient    - function tokensReceived(  contract ERC777BaseToken is ERC777 ...    - function ERC777BaseToken(string _name ...    - function name()    - function symbol()    - function granularity()    - function totalSupply()    - function balanceOf(address _tokenHold ...    - function defaultOperators()    - function send(address _to, uint256 _a ...    - function authorizeOperator(address _o ...    - function revokeOperator(address _oper ...    - function isOperatorFor(address _opera ...    - function operatorSend(address _from, ...    - function burn(uint256 _amount, bytes ...    - function operatorBurn(address _tokenH ...    - function requireMultiple(uint256 _amo ...    - function isRegularAddress(address _ad ...    - function doSend(    - function doBurn(address _operator, ad ...    - function callRecipient(    - function callSender(  contract ERC777ERC20BaseToken is E ...    - function ERC777ERC20BaseToken(    - function decimals()    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...    - function doSend(    - function doBurn(address _operator, ad ...  contract ReferenceToken is ERC777E ... *    - function ReferenceToken(    - function disableERC20()    - function enableERC20()    - function disableInterface(string _int ...    - function enableInterface(string _inte ...    - function delegateERC820Management(add ...    - function lock()    - function unlock()    - function mint(address _tokenHolder, u ...    - function burn(uint256 _amount, bytes ...    - function operatorBurn(address _tokenH ...

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/**
 *Submitted for verification at Etherscan.io on 2018-09-30
*/

pragma solidity ^0.4.21;

contract ERC820Registry {
    function getManager(address addr) public view returns(address);
    function setManager(address addr, address newManager) public;
    function getInterfaceImplementer(address addr, bytes32 iHash) public constant returns (address);
    function setInterfaceImplementer(address addr, bytes32 iHash, address implementer) public;
}

contract ERC820Implementer {
    ERC820Registry erc820Registry = ERC820Registry(0x991a1bcb077599290d7305493c9A630c20f8b798);

    function setInterfaceImplementation(string ifaceLabel, address impl) internal {
        bytes32 ifaceHash = keccak256(ifaceLabel);
        erc820Registry.setInterfaceImplementer(this, ifaceHash, impl);
    }

    function interfaceAddr(address addr, string ifaceLabel) internal constant returns(address) {
        bytes32 ifaceHash = keccak256(ifaceLabel);
        return erc820Registry.getInterfaceImplementer(addr, ifaceHash);
    }

    function delegateManagement(address newManager) internal {
        erc820Registry.setManager(this, newManager);
    }
}



/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


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


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() public {
    owner = msg.sender;
  }

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

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) public onlyOwner {
    require(newOwner != address(0));
    emit OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

}
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */


/// @title ERC777 ReferenceToken Contract
/// @author Jordi Baylina, Jacques Dafflon
/// @dev This token contract's goal is to give an example implementation
///  of ERC777 with ERC20 compatiblity using the base ERC777 and ERC20
///  implementations provided with the erc777 package.
///  This contract does not define any standard, but can be taken as a reference
///  implementation in case of any ambiguity into the standard


/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */



/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This code has not been reviewed.
 * Do not use or deploy this code before reviewing it personally first.
 */
// solhint-disable-next-line compiler-fixed



interface ERC20Token {
    function name() public constant returns (string);
    function symbol() public constant returns (string);
    function decimals() public constant returns (uint8);
    function totalSupply() public constant returns (uint256);
    function balanceOf(address owner) public constant returns (uint256);
    function transfer(address to, uint256 amount) public returns (bool);
    function transferFrom(address from, address to, uint256 amount) public returns (bool);
    function approve(address spender, uint256 amount) public returns (bool);
    function allowance(address owner, address spender) public constant returns (uint256);

    // solhint-disable-next-line no-simple-event-func-name
    event Transfer(address indexed from, address indexed to, uint256 amount);
    event Approval(address indexed owner, address indexed spender, uint256 amount);
}

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */






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

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    if (a == 0) {
      return 0;
    }
    c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  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 a / b;
  }

  /**
  * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
    c = a + b;
    assert(c >= a);
    return c;
  }
}

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This code has not been reviewed.
 * Do not use or deploy this code before reviewing it personally first.
 */
// solhint-disable-next-line compiler-fixed



interface ERC777Token {
    function name() public view returns (string);
    function symbol() public view returns (string);
    function totalSupply() public view returns (uint256);
    function balanceOf(address owner) public view returns (uint256);
    function granularity() public view returns (uint256);

    function defaultOperators() public view returns (address[]);
    function isOperatorFor(address operator, address tokenHolder) public view returns (bool);
    function authorizeOperator(address operator) public;
    function revokeOperator(address operator) public;

    function send(address to, uint256 amount, bytes holderData) public;
    function operatorSend(address from, address to, uint256 amount, bytes holderData, bytes operatorData) public;

    function burn(uint256 amount, bytes holderData) public;
    function operatorBurn(address from, uint256 amount, bytes holderData, bytes operatorData) public;

    event Sent(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 amount,
        bytes holderData,
        bytes operatorData
    ); // solhint-disable-next-line separate-by-one-line-in-contract
    event Minted(address indexed operator, address indexed to, uint256 amount, bytes operatorData);
    event Burned(address indexed operator, address indexed from, uint256 amount, bytes holderData, bytes operatorData);
    event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
    event RevokedOperator(address indexed operator, address indexed tokenHolder);
}

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This code has not been reviewed.
 * Do not use or deploy this code before reviewing it personally first.
 */
// solhint-disable-next-line compiler-fixed



interface ERC777TokensSender {
    function tokensToSend(
        address operator,
        address from,
        address to,
        uint amount,
        bytes userData,
        bytes operatorData
    ) public;
}

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This code has not been reviewed.
 * Do not use or deploy this code before reviewing it personally first.
 */
// solhint-disable-next-line compiler-fixed



interface ERC777TokensRecipient {
    function tokensReceived(
        address operator,
        address from,
        address to,
        uint amount,
        bytes userData,
        bytes operatorData
    ) public;
}



contract ERC777BaseToken is ERC777Token, ERC820Implementer {
    using SafeMath for uint256;

    string internal mName;
    string internal mSymbol;
    uint256 internal mGranularity;
    uint256 internal mTotalSupply;


    mapping(address => uint) internal mBalances;
    mapping(address => mapping(address => bool)) internal mAuthorized;

    address[] internal mDefaultOperators;
    mapping(address => bool) internal mIsDefaultOperator;
    mapping(address => mapping(address => bool)) internal mRevokedDefaultOperator;

    /* -- Constructor -- */
    //
    /// @notice Constructor to create a ReferenceToken
    /// @param _name Name of the new token
    /// @param _symbol Symbol of the new token.
    /// @param _granularity Minimum transferable chunk.
    function ERC777BaseToken(string _name, string _symbol, uint256 _granularity, address[] _defaultOperators) internal {
        mName = _name;
        mSymbol = _symbol;
        mTotalSupply = 0;
        require(_granularity >= 1);
        mGranularity = _granularity;

        mDefaultOperators = _defaultOperators;
        for (uint i = 0; i < mDefaultOperators.length; i++) { mIsDefaultOperator[mDefaultOperators[i]] = true; }

        setInterfaceImplementation("ERC777Token", this);
    }

    /* -- ERC777 Interface Implementation -- */
    //
    /// @return the name of the token
    function name() public constant returns (string) { return mName; }

    /// @return the symbol of the token
    function symbol() public constant returns (string) { return mSymbol; }

    /// @return the granularity of the token
    function granularity() public constant returns (uint256) { return mGranularity; }

    /// @return the total supply of the token
    function totalSupply() public constant returns (uint256) { return mTotalSupply; }

    /// @notice Return the account balance of some account
    /// @param _tokenHolder Address for which the balance is returned
    /// @return the balance of `_tokenAddress`.
    function balanceOf(address _tokenHolder) public constant returns (uint256) { return mBalances[_tokenHolder]; }

    /// @notice Return the list of default operators
    /// @return the list of all the default operators
    function defaultOperators() public view returns (address[]) { return mDefaultOperators; }

    /// @notice Send `_amount` of tokens to address `_to` passing `_userData` to the recipient
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be sent
    function send(address _to, uint256 _amount, bytes _userData) public {
        doSend(msg.sender, msg.sender, _to, _amount, _userData, "", true);
    }

    /// @notice Authorize a third party `_operator` to manage (send) `msg.sender`'s tokens.
    /// @param _operator The operator that wants to be Authorized
    function authorizeOperator(address _operator) public {
        require(_operator != msg.sender);
        if (mIsDefaultOperator[_operator]) {
            mRevokedDefaultOperator[_operator][msg.sender] = false;
        } else {
            mAuthorized[_operator][msg.sender] = true;
        }
        AuthorizedOperator(_operator, msg.sender);
    }

    /// @notice Revoke a third party `_operator`'s rights to manage (send) `msg.sender`'s tokens.
    /// @param _operator The operator that wants to be Revoked
    function revokeOperator(address _operator) public {
        require(_operator != msg.sender);
        if (mIsDefaultOperator[_operator]) {
            mRevokedDefaultOperator[_operator][msg.sender] = true;
        } else {
            mAuthorized[_operator][msg.sender] = false;
        }
        RevokedOperator(_operator, msg.sender);
    }

    /// @notice Check whether the `_operator` address is allowed to manage the tokens held by `_tokenHolder` address.
    /// @param _operator address to check if it has the right to manage the tokens
    /// @param _tokenHolder address which holds the tokens to be managed
    /// @return `true` if `_operator` is authorized for `_tokenHolder`
    function isOperatorFor(address _operator, address _tokenHolder) public constant returns (bool) {
        return (_operator == _tokenHolder
            || mAuthorized[_operator][_tokenHolder]
            || (mIsDefaultOperator[_operator] && !mRevokedDefaultOperator[_operator][_tokenHolder]));
    }

    /// @notice Send `_amount` of tokens on behalf of the address `from` to the address `to`.
    /// @param _from The address holding the tokens being sent
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be sent
    /// @param _userData Data generated by the user to be sent to the recipient
    /// @param _operatorData Data generated by the operator to be sent to the recipient
    function operatorSend(address _from, address _to, uint256 _amount, bytes _userData, bytes _operatorData) public {
        require(isOperatorFor(msg.sender, _from));
        doSend(msg.sender, _from, _to, _amount, _userData, _operatorData, true);
    }

    function burn(uint256 _amount, bytes _holderData) public {
        doBurn(msg.sender, msg.sender, _amount, _holderData, "");
    }

    function operatorBurn(address _tokenHolder, uint256 _amount, bytes _holderData, bytes _operatorData) public {
        require(isOperatorFor(msg.sender, _tokenHolder));
        doBurn(msg.sender, _tokenHolder, _amount, _holderData, _operatorData);
    }

    /* -- Helper Functions -- */
    //
    /// @notice Internal function that ensures `_amount` is multiple of the granularity
    /// @param _amount The quantity that want's to be checked
    function requireMultiple(uint256 _amount) internal view {
        require(_amount.div(mGranularity).mul(mGranularity) == _amount);
    }

    /// @notice Check whether an address is a regular address or not.
    /// @param _addr Address of the contract that has to be checked
    /// @return `true` if `_addr` is a regular address (not a contract)
    function isRegularAddress(address _addr) internal constant returns(bool) {
        if (_addr == 0) { return false; }
        uint size;
        assembly { size := extcodesize(_addr) } // solhint-disable-line no-inline-assembly
        return size == 0;
    }

    /// @notice Helper function actually performing the sending of tokens.
    /// @param _operator The address performing the send
    /// @param _from The address holding the tokens being sent
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be sent
    /// @param _userData Data generated by the user to be passed to the recipient
    /// @param _operatorData Data generated by the operator to be passed to the recipient
    /// @param _preventLocking `true` if you want this function to throw when tokens are sent to a contract not
    ///  implementing `erc777_tokenHolder`.
    ///  ERC777 native Send functions MUST set this parameter to `true`, and backwards compatible ERC20 transfer
    ///  functions SHOULD set this parameter to `false`.
    function doSend(
        address _operator,
        address _from,
        address _to,
        uint256 _amount,
        bytes _userData,
        bytes _operatorData,
        bool _preventLocking
    )
        internal
    {
        requireMultiple(_amount);

        callSender(_operator, _from, _to, _amount, _userData, _operatorData);

        require(_to != address(0));          // forbid sending to 0x0 (=burning)
        require(mBalances[_from] >= _amount); // ensure enough funds

        mBalances[_from] = mBalances[_from].sub(_amount);
        mBalances[_to] = mBalances[_to].add(_amount);

        callRecipient(_operator, _from, _to, _amount, _userData, _operatorData, _preventLocking);

        Sent(_operator, _from, _to, _amount, _userData, _operatorData);
    }

    /// @notice Helper function actually performing the burning of tokens.
    /// @param _operator The address performing the burn
    /// @param _tokenHolder The address holding the tokens being burn
    /// @param _amount The number of tokens to be burnt
    /// @param _holderData Data generated by the token holder
    /// @param _operatorData Data generated by the operator
    function doBurn(address _operator, address _tokenHolder, uint256 _amount, bytes _holderData, bytes _operatorData)
        internal
    {
        requireMultiple(_amount);
        require(balanceOf(_tokenHolder) >= _amount);

        mBalances[_tokenHolder] = mBalances[_tokenHolder].sub(_amount);
        mTotalSupply = mTotalSupply.sub(_amount);

        callSender(_operator, _tokenHolder, 0x0, _amount, _holderData, _operatorData);
        Burned(_operator, _tokenHolder, _amount, _holderData, _operatorData);
    }

    /// @notice Helper function that checks for ERC777TokensRecipient on the recipient and calls it.
    ///  May throw according to `_preventLocking`
    /// @param _operator The address performing the send or mint
    /// @param _from The address holding the tokens being sent
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be sent
    /// @param _userData Data generated by the user to be passed to the recipient
    /// @param _operatorData Data generated by the operator to be passed to the recipient
    /// @param _preventLocking `true` if you want this function to throw when tokens are sent to a contract not
    ///  implementing `ERC777TokensRecipient`.
    ///  ERC777 native Send functions MUST set this parameter to `true`, and backwards compatible ERC20 transfer
    ///  functions SHOULD set this parameter to `false`.
    function callRecipient(
        address _operator,
        address _from,
        address _to,
        uint256 _amount,
        bytes _userData,
        bytes _operatorData,
        bool _preventLocking
    )
        internal
    {
        address recipientImplementation = interfaceAddr(_to, "ERC777TokensRecipient");
        if (recipientImplementation != 0) {
            ERC777TokensRecipient(recipientImplementation).tokensReceived(
                _operator, _from, _to, _amount, _userData, _operatorData);
        } else if (_preventLocking) {
            require(isRegularAddress(_to));
        }
    }

    /// @notice Helper function that checks for ERC777TokensSender on the sender and calls it.
    ///  May throw according to `_preventLocking`
    /// @param _from The address holding the tokens being sent
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be sent
    /// @param _userData Data generated by the user to be passed to the recipient
    /// @param _operatorData Data generated by the operator to be passed to the recipient
    ///  implementing `ERC777TokensSender`.
    ///  ERC777 native Send functions MUST set this parameter to `true`, and backwards compatible ERC20 transfer
    ///  functions SHOULD set this parameter to `false`.
    function callSender(
        address _operator,
        address _from,
        address _to,
        uint256 _amount,
        bytes _userData,
        bytes _operatorData
    )
        internal
    {
        address senderImplementation = interfaceAddr(_from, "ERC777TokensSender");
        if (senderImplementation == 0) { return; }
        ERC777TokensSender(senderImplementation).tokensToSend(_operator, _from, _to, _amount, _userData, _operatorData);
    }
}



contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken {
    bool internal mErc20compatible;
    bool public unlocked;

    mapping(address => mapping(address => bool)) internal mAuthorized;
    mapping(address => mapping(address => uint256)) internal mAllowed;

    function ERC777ERC20BaseToken(
        string _name,
        string _symbol,
        uint256 _granularity,
        address[] _defaultOperators
    )
        internal ERC777BaseToken(_name, _symbol, _granularity, _defaultOperators)
    {
        mErc20compatible = true;
        unlocked = true;
        setInterfaceImplementation("ERC20Token", this);
    }

    /// @notice This modifier is applied to erc20 obsolete methods that are
    ///  implemented only to maintain backwards compatibility. When the erc20
    ///  compatibility is disabled, this methods will fail.
    modifier erc20 () {
        require(mErc20compatible);
        _;
    }

    /// @notice For Backwards compatibility
    /// @return The decimls of the token. Forced to 18 in ERC777.
    function decimals() public erc20 constant returns (uint8) { return uint8(18); }

    /// @notice ERC20 backwards compatible transfer.
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be transferred
    /// @return `true`, if the transfer can't be done, it should fail.
    function transfer(address _to, uint256 _amount) public erc20 returns (bool success) {
        doSend(msg.sender, msg.sender, _to, _amount, "", "", false);
        return true;
    }

    /// @notice ERC20 backwards compatible transferFrom.
    /// @param _from The address holding the tokens being transferred
    /// @param _to The address of the recipient
    /// @param _amount The number of tokens to be transferred
    /// @return `true`, if the transfer can't be done, it should fail.
    function transferFrom(address _from, address _to, uint256 _amount) public erc20 returns (bool success) {
        require(_amount <= mAllowed[_from][msg.sender]);

        // Cannot be after doSend because of tokensReceived re-entry
        mAllowed[_from][msg.sender] = mAllowed[_from][msg.sender].sub(_amount);
        doSend(msg.sender, _from, _to, _amount, "", "", false);
        return true;
    }

    /// @notice ERC20 backwards compatible approve.
    ///  `msg.sender` approves `_spender` to spend `_amount` tokens on its behalf.
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _amount The number of tokens to be approved for transfer
    /// @return `true`, if the approve can't be done, it should fail.
    function approve(address _spender, uint256 _amount) public erc20 returns (bool success) {
        mAllowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }

    /// @notice ERC20 backwards compatible allowance.
    ///  This function makes it easy to read the `allowed[]` map
    /// @param _owner The address of the account that owns the token
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens of _owner that _spender is allowed
    ///  to spend
    function allowance(address _owner, address _spender) public erc20 constant returns (uint256 remaining) {
        return mAllowed[_owner][_spender];
    }

    function doSend(
        address _operator,
        address _from,
        address _to,
        uint256 _amount,
        bytes _userData,
        bytes _operatorData,
        bool _preventLocking
    )
        internal
    {
        require(unlocked);
        super.doSend(_operator, _from, _to, _amount, _userData, _operatorData, _preventLocking);
        if (mErc20compatible) { Transfer(_from, _to, _amount); }
    }

    function doBurn(address _operator, address _tokenHolder, uint256 _amount, bytes _holderData, bytes _operatorData)
        internal
    {
        super.doBurn(_operator, _tokenHolder, _amount, _holderData, _operatorData);
        if (mErc20compatible) { Transfer(_tokenHolder, 0x0, _amount); }
    }
}




contract ReferenceToken is ERC777ERC20BaseToken, Ownable {

    address private mBurnOperator;

    function ReferenceToken(
        string _name,
        string _symbol,
        uint256 _granularity,
        address[] _defaultOperators,
        address _burnOperator
    ) public ERC777ERC20BaseToken(_name, _symbol, _granularity, _defaultOperators) {
        mBurnOperator = _burnOperator;
    }

    /// @notice Disables the ERC20 interface. This function can only be called
    ///  by the owner.
    function disableERC20() public onlyOwner {
        mErc20compatible = false;
        setInterfaceImplementation("ERC20Token", 0x0);
    }

    /// @notice Re enables the ERC20 interface. This function can only be called
    ///  by the owner.
    function enableERC20() public onlyOwner {
        mErc20compatible = true;
        setInterfaceImplementation("ERC20Token", this);
    }

    /// @notice Disables an interface. This function can only be called
    ///  by the owner.
    function disableInterface(string _interface) public onlyOwner { setInterfaceImplementation(_interface, 0x0); }

    /// @notice Enables an interface. This function can only be called
    ///  by the owner.
    function enableInterface(string _interface, address _impl) public onlyOwner { setInterfaceImplementation(_interface, _impl); }

    /// @notice sets the manager of register implementations of interfaces. This function can only be called
    ///  by the owner.
    function delegateERC820Management(address _newManager) public onlyOwner { delegateManagement(_newManager); }

    /// @notice Locks the token. In later stage, this feature will be disabled. This function can only be called
    ///  by the owner.
    function lock() public onlyOwner { unlocked = false; }

    /// @notice Unlocks the token. This function can only be called
    ///  by the owner.
    function unlock() public onlyOwner { unlocked = true;}


    /* -- Mint And Burn Functions (not part of the ERC777 standard, only the Events/tokensReceived call are) -- */
    //
    /// @notice Generates `_amount` tokens to be assigned to `_tokenHolder`
    ///  Sample mint function to showcase the use of the `Minted` event and the logic to notify the recipient.
    /// @param _tokenHolder The address that will be assigned the new tokens
    /// @param _amount The quantity of tokens generated
    /// @param _operatorData Data that will be passed to the recipient as a first transfer
    function mint(address _tokenHolder, uint256 _amount, bytes _operatorData) public onlyOwner {
        requireMultiple(_amount);
        mTotalSupply = mTotalSupply.add(_amount);
        mBalances[_tokenHolder] = mBalances[_tokenHolder].add(_amount);

        callRecipient(msg.sender, 0x0, _tokenHolder, _amount, "", _operatorData, true);

        Minted(msg.sender, _tokenHolder, _amount, _operatorData);
        if (mErc20compatible) { Transfer(0x0, _tokenHolder, _amount); }
    }

    /// @notice Burns `_amount` tokens from `_tokenHolder`
    ///  Silly example of overriding the `burn` function to only let the owner burn its tokens.
    ///  Do not forget to override the `burn` function in your token contract if you want to prevent users from
    ///  burning their tokens.
    /// @param _amount The quantity of tokens to burn
    function burn(uint256 _amount, bytes _holderData) public onlyOwner {
        require(msg.sender == mBurnOperator);
        super.burn(_amount, _holderData);
    }

    /// @notice Burns `_amount` tokens from `_tokenHolder` by `_operator`
    ///  Silly example of overriding the `operatorBurn` function to only let a specific operator burn tokens.
    ///  Do not forget to override the `operatorBurn` function in your token contract if you want to prevent users from
    ///  burning their tokens.
    /// @param _tokenHolder The address that will lose the tokens
    /// @param _amount The quantity of tokens to burn
    function operatorBurn(address _tokenHolder, uint256 _amount, bytes _holderData, bytes _operatorData) public {
        require(msg.sender == mBurnOperator);
        super.operatorBurn(_tokenHolder, _amount, _holderData, _operatorData);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

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

-----Decoded View---------------
Arg [0] : _name (string): Datafund Token
Arg [1] : _symbol (string): DEX
Arg [2] : _granularity (uint256): 1
Arg [3] : _defaultOperators (address[]): 0x8EDAaE1034762823c5Ecfca283200ADF221CE7Dd,0x61c231F170DC2578Db68dc37624dF3E899405Ca8
Arg [4] : _burnOperator (address): 0x8EDAaE1034762823c5Ecfca283200ADF221CE7Dd

-----Encoded View---------------
12 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [4] : 0000000000000000000000008edaae1034762823c5ecfca283200adf221ce7dd
Arg [5] : 000000000000000000000000000000000000000000000000000000000000000e
Arg [6] : 4461746166756e6420546f6b656e000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [8] : 4445580000000000000000000000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [10] : 0000000000000000000000008edaae1034762823c5ecfca283200adf221ce7dd
Arg [11] : 00000000000000000000000061c231f170dc2578db68dc37624df3e899405ca8

bzzr://653071e410e6448effe77c4ba4ce4bb39001dee693498dcbdff6419b543a8436