// File: openzeppelin-solidity/contracts/math/SafeMath.sol

pragma solidity ^0.5.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, "SafeMath: division by zero");
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0, "SafeMath: modulo by zero");
        return a % b;
    }
}

// File: contracts/IEDOToken.sol

pragma solidity ^0.5.0;


interface IEDOToken {
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function burn(uint256 _amount) external returns (bool);
}

// File: openzeppelin-solidity/contracts/ownership/Ownable.sol

pragma solidity ^0.5.0;

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: openzeppelin-solidity/contracts/token/ERC20/IERC20.sol

pragma solidity ^0.5.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see `ERC20Detailed`.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a `Transfer` event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through `transferFrom`. This is
     * zero by default.
     *
     * This value changes when `approve` or `transferFrom` are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * > Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an `Approval` event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a `Transfer` event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to `approve`. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: openzeppelin-solidity/contracts/utils/Address.sol

pragma solidity ^0.5.0;

/**
 * @dev Collection of functions related to the address type,
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * This test is non-exhaustive, and there may be false-negatives: during the
     * execution of a contract's constructor, its address will be reported as
     * not containing a contract.
     *
     * > It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies in extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }
}

// File: openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol

pragma solidity ^0.5.0;




/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value);
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves.

        // A Solidity high level call has three parts:
        //  1. The target address is checked to verify it contains contract code
        //  2. The call itself is made, and success asserted
        //  3. The return value is decoded, which in turn checks the size of the returned data.
        // solhint-disable-next-line max-line-length
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "SafeERC20: low-level call failed");

        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// File: contracts/Withdrawable.sol

pragma solidity ^0.5.0;




contract Withdrawable is Ownable {
    using SafeERC20 for IERC20;

    function withdraw(address asset) onlyOwner public {
        if (asset == address(0)) {
            msg.sender.transfer(address(this).balance);
        } else {
            IERC20 token = IERC20(asset);
            token.safeTransfer(msg.sender, token.balanceOf(address(this)));
        }
    }
}

// File: contracts/Burner.sol

pragma solidity ^0.5.0;




contract Burner is Withdrawable {
    using SafeMath for uint256;

    IEDOToken edo;

    address public unburnedDestination;
    uint256 public percentageToBurn;
    bool public paused;

    event Burn(uint burnedAmount, uint savedAmount);

    constructor(address edoTokenAddress, address unburnedDestination_, uint percentageToBurn_) public {
        paused = false;
        edo = IEDOToken(edoTokenAddress);
        percentageToBurn = percentageToBurn_;
        unburnedDestination = unburnedDestination_;
    }

    function setPercentageToBurn (uint value) onlyOwner external {
        percentageToBurn = value;
    }

    function setUnburnedDestination (address value) onlyOwner external {
        unburnedDestination = value;
    }

    function setPaused (bool value) onlyOwner external {
        paused = value;
    }

    function burn() external {
        require(!paused, 'cannot burn when paused');

        uint total = edo.balanceOf(address(this));
        uint toBurn = total.mul(percentageToBurn).div(100);
        require(edo.burn(toBurn), 'cannot burn');
        uint notBurned = edo.balanceOf(address(this));
        require(edo.transfer(unburnedDestination, notBurned), 'cannot transfer unburned tokens');
        emit Burn(toBurn, notBurned);
    }


}

pragma solidity ^0.4.13;

/**
 * @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;


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() {
    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) onlyOwner {
    if (newOwner != address(0)) {
      owner = newOwner;
    }
  }

}

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

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

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

contract MintableInterface {
  function mint(address _to, uint256 _amount) returns (bool);
  function mintLocked(address _to, uint256 _amount) returns (bool);
}

/**
 * This is the Crowdsale contract from OpenZeppelin version 1.2.0
 * The only changes are:
 *   - the type of token field is changed from MintableToken to MintableInterface
 *   - the createTokenContract() method is removed, the token field must be initialized in the derived contracts constuctor
 **/






/**
 * @title Crowdsale 
 * @dev Crowdsale is a base contract for managing a token crowdsale.
 * Crowdsales have a start and end block, where investors can make
 * token purchases and the crowdsale will assign them tokens based
 * on a token per ETH rate. Funds collected are forwarded to a wallet 
 * as they arrive.
 */
contract Crowdsale {
  using SafeMath for uint256;

  // The token being sold
  MintableInterface public token;

  // start and end block where investments are allowed (both inclusive)
  uint256 public startBlock;
  uint256 public endBlock;

  // address where funds are collected
  address public wallet;

  // how many token units a buyer gets per wei
  uint256 public rate;

  // amount of raised money in wei
  uint256 public weiRaised;

  /**
   * event for token purchase logging
   * @param purchaser who paid for the tokens
   * @param beneficiary who got the tokens
   * @param value weis paid for purchase
   * @param amount amount of tokens purchased
   */ 
  event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);


  function Crowdsale(uint256 _startBlock, uint256 _endBlock, uint256 _rate, address _wallet) {
    require(_startBlock >= block.number);
    require(_endBlock >= _startBlock);
    require(_rate > 0);
    require(_wallet != 0x0);

    startBlock = _startBlock;
    endBlock = _endBlock;
    rate = _rate;
    wallet = _wallet;
  }

  // fallback function can be used to buy tokens
  function () payable {
    buyTokens(msg.sender);
  }

  // low level token purchase function
  function buyTokens(address beneficiary) payable {
    require(beneficiary != 0x0);
    require(validPurchase());

    uint256 weiAmount = msg.value;

    // calculate token amount to be created
    uint256 tokens = weiAmount.mul(rate);

    // update state
    weiRaised = weiRaised.add(weiAmount);

    token.mint(beneficiary, tokens);
    TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);

    forwardFunds();
  }

  // send ether to the fund collection wallet
  // override to create custom fund forwarding mechanisms
  function forwardFunds() internal {
    wallet.transfer(msg.value);
  }

  // @return true if the transaction can buy tokens
  function validPurchase() internal constant returns (bool) {
    uint256 current = block.number;
    bool withinPeriod = current >= startBlock && current <= endBlock;
    bool nonZeroPurchase = msg.value != 0;
    return withinPeriod && nonZeroPurchase;
  }

  // @return true if crowdsale event has ended
  function hasEnded() public constant returns (bool) {
    return block.number > endBlock;
  }


}

/**
 * @title CappedCrowdsale
 * @dev Extension of Crowsdale with a max amount of funds raised
 */
contract TokenCappedCrowdsale is Crowdsale {
  using SafeMath for uint256;

  // tokenCap should be initialized in derived contract
  uint256 public tokenCap;

  uint256 public soldTokens;

  // overriding Crowdsale#hasEnded to add tokenCap logic
  // @return true if crowdsale event has ended
  function hasEnded() public constant returns (bool) {
    bool capReached = soldTokens >= tokenCap;
    return super.hasEnded() || capReached;
  }

  // overriding Crowdsale#buyTokens to add extra tokenCap logic
  function buyTokens(address beneficiary) payable {
    // calculate token amount to be created
    uint256 tokens = msg.value.mul(rate);
    uint256 newTotalSold = soldTokens.add(tokens);
    require(newTotalSold <= tokenCap);
    soldTokens = newTotalSold;
    super.buyTokens(beneficiary);
  }
}

/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) constant returns (uint256);
  function transfer(address to, uint256 value) returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

/**
 * This is the TokenTimelock contract from OpenZeppelin version 1.2.0
 * The only changes are:
 *   - all contract fields are declared as public
 *   - removed deprecated claim() method
 **/





/**
 * @title TokenTimelock
 * @dev TokenTimelock is a token holder contract that will allow a 
 * beneficiary to extract the tokens after a given release time
 */
contract TokenTimelock {
  
  // ERC20 basic token contract being held
  ERC20Basic public token;

  // beneficiary of tokens after they are released
  address public beneficiary;

  // timestamp when token release is enabled
  uint public releaseTime;

  function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) {
    require(_releaseTime > now);
    token = _token;
    beneficiary = _beneficiary;
    releaseTime = _releaseTime;
  }

  /**
   * @notice Transfers tokens held by timelock to beneficiary.
   */
  function release() {
    require(now >= releaseTime);

    uint amount = token.balanceOf(this);
    require(amount > 0);

    token.transfer(beneficiary, amount);
  }
}

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint256 balance) {
    return balances[_owner];
  }

}

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) constant returns (uint256);
  function transferFrom(address from, address to, uint256 value) returns (bool);
  function approve(address spender, uint256 value) returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amout of tokens to be transfered
   */
  function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) returns (bool) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifing the amount of tokens still avaible for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }

}

contract EidooToken is MintableInterface, Ownable, StandardToken {
  using SafeMath for uint256;

  string public name = "Eidoo Token";
  string public symbol = "EDO";
  uint256 public decimals = 18;

  uint256 public transferableFromBlock;
  uint256 public lockEndBlock;
  mapping (address => uint256) public initiallyLockedAmount;

  function EidooToken(uint256 _transferableFromBlock, uint256 _lockEndBlock) {
    require(_lockEndBlock > _transferableFromBlock);
    transferableFromBlock = _transferableFromBlock;
    lockEndBlock = _lockEndBlock;
  }

  modifier canTransfer(address _from, uint _value) {
    if (block.number < lockEndBlock) {
      require(block.number >= transferableFromBlock);
      uint256 locked = lockedBalanceOf(_from);
      if (locked > 0) {
        uint256 newBalance = balanceOf(_from).sub(_value);
        require(newBalance >= locked);
      }
    }
   _;
  }

  function lockedBalanceOf(address _to) constant returns(uint256) {
    uint256 locked = initiallyLockedAmount[_to];
    if (block.number >= lockEndBlock ) return 0;
    else if (block.number <= transferableFromBlock) return locked;

    uint256 releaseForBlock = locked.div(lockEndBlock.sub(transferableFromBlock));
    uint256 released = block.number.sub(transferableFromBlock).mul(releaseForBlock);
    return locked.sub(released);
  }

  function transfer(address _to, uint _value) canTransfer(msg.sender, _value) returns (bool) {
    return super.transfer(_to, _value);
  }

  function transferFrom(address _from, address _to, uint _value) canTransfer(_from, _value) returns (bool) {
    return super.transferFrom(_from, _to, _value);
  }

  // --------------- Minting methods

  modifier canMint() {
    require(!mintingFinished());
    _;
  }

  function mintingFinished() constant returns(bool) {
    return block.number >= transferableFromBlock;
  }

  /**
   * @dev Function to mint tokens, implements MintableInterface
   * @param _to The address that will recieve the minted tokens.
   * @param _amount The amount of tokens to mint.
   * @return A boolean that indicates if the operation was successful.
   */
  function mint(address _to, uint256 _amount) onlyOwner canMint returns (bool) {
    totalSupply = totalSupply.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    Transfer(address(0), _to, _amount);
    return true;
  }

  function mintLocked(address _to, uint256 _amount) onlyOwner canMint returns (bool) {
    initiallyLockedAmount[_to] = initiallyLockedAmount[_to].add(_amount);
    return mint(_to, _amount);
  }

  function burn(uint256 _amount) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_amount);
    totalSupply = totalSupply.sub(_amount);
    Transfer(msg.sender, address(0), _amount);
    return true;
  }
}

contract EidooTokenSale is Ownable, TokenCappedCrowdsale {
  using SafeMath for uint256;
  uint256 public MAXIMUM_SUPPLY = 100000000 * 10**18;
  uint256 [] public LOCKED = [     20000000 * 10**18,
                                   15000000 * 10**18,
                                    6000000 * 10**18,
                                    6000000 * 10**18 ];
  uint256 public POST_ICO =        21000000 * 10**18;
  uint256 [] public LOCK_END = [
    1570190400, // 4 October 2019 12:00:00 GMT
    1538654400, // 4 October 2018 12:00:00 GMT
    1522843200, // 4 April 2018 12:00:00 GMT
    1515067200  // 4 January 2018 12:00:00 GMT
  ];

  mapping (address => bool) public claimed;
  TokenTimelock [4] public timeLocks;

  event ClaimTokens(address indexed to, uint amount);

  modifier beforeStart() {
    require(block.number < startBlock);
    _;
  }

  function EidooTokenSale(
    uint256 _startBlock,
    uint256 _endBlock,
    uint256 _rate,
    uint _tokenStartBlock,
    uint _tokenLockEndBlock,
    address _wallet
  )
    Crowdsale(_startBlock, _endBlock, _rate, _wallet)
  {
    token = new EidooToken(_tokenStartBlock, _tokenLockEndBlock);

    // create timelocks for tokens
    timeLocks[0] = new TokenTimelock(EidooToken(token), _wallet, LOCK_END[0]);
    timeLocks[1] = new TokenTimelock(EidooToken(token), _wallet, LOCK_END[1]);
    timeLocks[2] = new TokenTimelock(EidooToken(token), _wallet, LOCK_END[2]);
    timeLocks[3] = new TokenTimelock(EidooToken(token), _wallet, LOCK_END[3]);
    token.mint(address(timeLocks[0]), LOCKED[0]);
    token.mint(address(timeLocks[1]), LOCKED[1]);
    token.mint(address(timeLocks[2]), LOCKED[2]);
    token.mint(address(timeLocks[3]), LOCKED[3]);

    token.mint(_wallet, POST_ICO);

    // initialize maximum number of tokens that can be sold
    tokenCap = MAXIMUM_SUPPLY.sub(EidooToken(token).totalSupply());
  }

  function claimTokens(address [] buyers, uint [] amounts) onlyOwner beforeStart public {
    require(buyers.length == amounts.length);
    uint len = buyers.length;
    for (uint i = 0; i < len; i++) {
      address to = buyers[i];
      uint256 amount = amounts[i];
      if (amount > 0 && !claimed[to]) {
        claimed[to] = true;
        if (to == 0x32Be343B94f860124dC4fEe278FDCBD38C102D88) {
          // replace Poloniex Wallet address
          to = 0x2274bebe2b47Ec99D50BB9b12005c921F28B83bB;
        }
        tokenCap = tokenCap.sub(amount);
        uint256 unlockedAmount = amount.div(10).mul(3);
        token.mint(to, unlockedAmount);
        token.mintLocked(to, amount.sub(unlockedAmount));
        ClaimTokens(to, amount);
      }
    }
  }

}