// File: contracts/IERC20Cutted.sol

pragma solidity ^0.6.2;


interface IERC20Cutted {

    // Some old tokens are implemented without a retrun parameter (this was prior to the ERC20 standart change)
    function transfer(address to, uint256 value) external;

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

}

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

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

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

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

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


pragma solidity >=0.6.0 <0.8.0;

/**
 * @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.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

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

    /**
     * @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(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

// File: contracts/RetrieveTokensFeature.sol

pragma solidity ^0.6.2;





contract RetrieveTokensFeature is Context, Ownable {

    function retrieveTokens(address to, address anotherToken) virtual public onlyOwner() {
        IERC20Cutted alienToken = IERC20Cutted(anotherToken);
        alienToken.transfer(to, alienToken.balanceOf(address(this)));
    }

    function retriveETH(address payable to) virtual public onlyOwner() {
        to.transfer(address(this).balance);
    }

}

// File: @openzeppelin/contracts/math/SafeMath.sol


pragma solidity >=0.6.0 <0.8.0;

/**
 * @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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        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-contracts/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) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        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) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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


pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on 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;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: contracts/StagedCrowdsale.sol

pragma solidity ^0.6.2;






contract StagedCrowdsale is Context, Ownable {
    using SafeMath for uint256;
    using Address for address;

    struct Milestone {
        uint256 start;
        uint256 end;
        uint256 bonus;
        uint256 minInvestedLimit;
        uint256 maxInvestedLimit;
        uint256 invested;
        uint256 tokensSold;
        uint256 hardcapInTokens;
    }

    Milestone[] public milestones;

    function milestonesCount() public view returns (uint) {
        return milestones.length;
    }

    function addMilestone(uint256 start, uint256 end, uint256 bonus, uint256 minInvestedLimit, uint256 maxInvestedLimit, uint256 invested, uint256 tokensSold, uint256 hardcapInTokens) public onlyOwner {
        milestones.push(Milestone(start, end, bonus, minInvestedLimit, maxInvestedLimit, invested, tokensSold, hardcapInTokens));
    }

    function removeMilestone(uint8 number) public onlyOwner {
        require(number < milestones.length);
        //Milestone storage milestone = milestones[number];

        delete milestones[number];

        // check it
        for (uint i = number; i < milestones.length - 1; i++) {
            milestones[i] = milestones[i + 1];
        }

    }

    function changeMilestone(uint8 number, uint256 start, uint256 end, uint256 bonus, uint256 minInvestedLimit, uint256 maxInvestedLimit, uint256 invested, uint256 tokensSold, uint256 hardcapInTokens) public onlyOwner {
        require(number < milestones.length);
        Milestone storage milestone = milestones[number];

        milestone.start = start;
        milestone.end = end;
        milestone.bonus = bonus;
        milestone.minInvestedLimit = minInvestedLimit;
        milestone.maxInvestedLimit = maxInvestedLimit;
        milestone.invested = invested;
        milestone.tokensSold = tokensSold;
        milestone.hardcapInTokens = hardcapInTokens;
    }

    function insertMilestone(uint8 index, uint256 start, uint256 end, uint256 bonus, uint256 minInvestedLimit, uint256 maxInvestedLimit, uint256 invested, uint256 tokensSold, uint256 hardcapInTokens) public onlyOwner {
        require(index < milestones.length);
        for (uint i = milestones.length; i > index; i--) {
            milestones[i] = milestones[i - 1];
        }
        milestones[index] = Milestone(start, end, bonus, minInvestedLimit, maxInvestedLimit, invested, tokensSold, hardcapInTokens);
    }

    function clearMilestones() public onlyOwner {
        require(milestones.length > 0);
        for (uint i = 0; i < milestones.length; i++) {
            delete milestones[i];
        }
    }

    function currentMilestone() public view returns (uint256) {
        for (uint256 i = 0; i < milestones.length; i++) {
            if (now >= milestones[i].start && now < milestones[i].end && milestones[i].tokensSold <= milestones[i].hardcapInTokens) {
                return i;
            }
        }
        revert();
    }

}

// File: contracts/CommonSale.sol

pragma solidity ^0.6.2;





contract CommonSale is StagedCrowdsale, RetrieveTokensFeature {

    IERC20Cutted public token;
    uint256 public price; // amount of tokens per 1 ETH
    uint256 public invested;
    uint256 public percentRate = 100;
    address payable public wallet;
    bool public isPause = false;
    mapping(address => bool) public whitelist;

    mapping(uint256 => mapping(address => uint256)) public balances;

    mapping(uint256 => bool) public whitelistedMilestones;

    function setMilestoneWithWhitelist(uint256 index) public onlyOwner {
        whitelistedMilestones[index] = true;
    }

    function unsetMilestoneWithWhitelist(uint256 index) public onlyOwner {
        whitelistedMilestones[index] = false;
    }

    function addToWhiteList(address target) public onlyOwner {
        require(!whitelist[target], "Already in whitelist");
        whitelist[target] = true;
    }

    function addToWhiteListMultiple(address[] memory targets) public onlyOwner {
        for (uint i = 0; i < targets.length; i++) {
            if (!whitelist[targets[i]]) whitelist[targets[i]] = true;
        }
    }

    function pause() public onlyOwner {
        isPause = true;
    }

    function unpause() public onlyOwner {
        isPause = false;
    }

    function setToken(address newTokenAddress) public onlyOwner() {
        token = IERC20Cutted(newTokenAddress);
    }

    function setPercentRate(uint256 newPercentRate) public onlyOwner() {
        percentRate = newPercentRate;
    }

    function setWallet(address payable newWallet) public onlyOwner() {
        wallet = newWallet;
    }

    function setPrice(uint256 newPrice) public onlyOwner() {
        price = newPrice;
    }

    function updateInvested(uint256 value) internal {
        invested = invested.add(value);
    }

    function internalFallback() internal returns (uint) {
        require(!isPause, "Contract paused");

        uint256 milestoneIndex = currentMilestone();
        Milestone storage milestone = milestones[milestoneIndex];
        uint256 limitedInvestValue = msg.value;

        // limit the minimum amount for one transaction (ETH) 
        require(limitedInvestValue >= milestone.minInvestedLimit, "The amount is too small");

        // check if the milestone requires user to be whitelisted
        if (whitelistedMilestones[milestoneIndex]) {
            require(whitelist[_msgSender()], "The address must be whitelisted!");
        }

        // limit the maximum amount that one user can spend during the current milestone (ETH)
        uint256 maxAllowableValue = milestone.maxInvestedLimit - balances[milestoneIndex][_msgSender()];
        if (limitedInvestValue > maxAllowableValue) {
            limitedInvestValue = maxAllowableValue;
        }
        require(limitedInvestValue > 0, "Investment limit exceeded!");

        // apply a bonus if any (10SET)
        uint256 tokensWithoutBonus = limitedInvestValue.mul(price).div(1 ether);
        uint256 tokensWithBonus = tokensWithoutBonus;
        if (milestone.bonus > 0) {
            tokensWithBonus = tokensWithoutBonus.add(tokensWithoutBonus.mul(milestone.bonus).div(percentRate));
        }

        // limit the number of tokens that user can buy according to the hardcap of the current milestone (10SET)
        if (milestone.tokensSold.add(tokensWithBonus) > milestone.hardcapInTokens) {
            tokensWithBonus = milestone.hardcapInTokens.sub(milestone.tokensSold);
            if (milestone.bonus > 0) {
                tokensWithoutBonus = tokensWithBonus.mul(percentRate).div(percentRate + milestone.bonus);
            }
        }
        
        // calculate the resulting amount of ETH that user will spend and calculate the change if any
        uint256 tokenBasedLimitedInvestValue = tokensWithoutBonus.mul(1 ether).div(price);
        uint256 change = msg.value - tokenBasedLimitedInvestValue;

        // update stats
        invested = invested.add(tokenBasedLimitedInvestValue);
        milestone.tokensSold = milestone.tokensSold.add(tokensWithBonus);
        balances[milestoneIndex][_msgSender()] = balances[milestoneIndex][_msgSender()].add(tokenBasedLimitedInvestValue);
        
        wallet.transfer(tokenBasedLimitedInvestValue);
        
        // we multiply the amount to send by 100 / 98 to compensate the buyer 2% fee charged on each transaction
        token.transfer(_msgSender(), tokensWithBonus.mul(100).div(98));
        
        if (change > 0) {
            _msgSender().transfer(change);
        }

        return tokensWithBonus;
    }

    receive() external payable {
        internalFallback();
    }

}

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol


pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
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.
     *
     * IMPORTANT: 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: contracts/TenSetToken.sol

pragma solidity ^0.6.2;






contract TenSetToken is IERC20, RetrieveTokensFeature {
    using SafeMath for uint256;
    using Address for address;

    mapping(address => uint256) private _rOwned;
    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;

    mapping(address => bool) private _isExcluded;
    address[] private _excluded;

    uint256 private constant MAX = ~uint256(0);
    uint256 private constant INITIAL_SUPPLY = 210000000 * 10 ** 18;
    uint256 private constant BURN_STOP_SUPPLY = 2100000 * 10 ** 18;
    uint256 private _tTotal = INITIAL_SUPPLY;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;

    string private _name = "10Set Token";
    string private _symbol = "10SET";
    uint8 private _decimals = 18;

    constructor (address[] memory addresses, uint256[] memory amounts) public {
        uint256 rDistributed = 0;
        // loop through the addresses array and send tokens to each address except the last one
        // the corresponding amount to sent is taken from the amounts array
        for(uint8 i = 0; i < addresses.length - 1; i++) {
            (uint256 rAmount, , , , , , ) = _getValues(amounts[i]);
            _rOwned[addresses[i]] = rAmount;
            rDistributed = rDistributed + rAmount;
            emit Transfer(address(0), addresses[i], amounts[i]);
        }
        // all remaining tokens will be sent to the last address in the addresses array
        uint256 rRemainder = _rTotal - rDistributed;
        address liQuidityWalletAddress = addresses[addresses.length - 1];
        _rOwned[liQuidityWalletAddress] = rRemainder;
        emit Transfer(address(0), liQuidityWalletAddress, tokenFromReflection(rRemainder));
    }

    function excludeAccount(address account) external onlyOwner() {
        require(!_isExcluded[account], "Account is already excluded");
        if (_rOwned[account] > 0) {
            _tOwned[account] = tokenFromReflection(_rOwned[account]);
        }
        _isExcluded[account] = true;
        _excluded.push(account);
    }

    function includeAccount(address account) external onlyOwner() {
        require(_isExcluded[account], "Account is already included");
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_excluded[i] == account) {
                _excluded[i] = _excluded[_excluded.length - 1];
                _tOwned[account] = 0;
                _isExcluded[account] = false;
                _excluded.pop();
                break;
            }
        }
    }

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

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

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        if (_isExcluded[account]) return _tOwned[account];
        return tokenFromReflection(_rOwned[account]);
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    function burn(uint256 amount) public {
        require(_msgSender() != address(0), "ERC20: burn from the zero address");
        (uint256 rAmount, , , , , , ) = _getValues(amount);
        _burn(_msgSender(), amount, rAmount);
    }

    function burnFrom(address account, uint256 amount) public {
        require(account != address(0), "ERC20: burn from the zero address");
        uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance");
        _approve(account, _msgSender(), decreasedAllowance);
        (uint256 rAmount, , , , , , ) = _getValues(amount);
        _burn(account, amount, rAmount);
    }

    function isExcluded(address account) public view returns (bool) {
        return _isExcluded[account];
    }

    function totalFees() public view returns (uint256) {
        return _tFeeTotal;
    }

    function reflect(uint256 tAmount) public {
        address sender = _msgSender();
        require(!_isExcluded[sender], "Excluded addresses cannot call this function");
        (uint256 rAmount, , , , , , ) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rTotal = _rTotal.sub(rAmount);
        _tFeeTotal = _tFeeTotal.add(tAmount);
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns (uint256) {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        if (!deductTransferFee) {
            (uint256 rAmount, , , , , , ) = _getValues(tAmount);
            return rAmount;
        } else {
            ( , uint256 rTransferAmount, , , , , ) = _getValues(tAmount);
            return rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount) public view returns (uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate = _getRate();
        return rAmount.div(currentRate);
    }

    function _approve(address owner, address spender, uint256 amount) private {
        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 _transfer(address sender, address recipient, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if (_isExcluded[sender] && !_isExcluded[recipient]) {
            _transferFromExcluded(sender, recipient, amount);
        } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
            _transferToExcluded(sender, recipient, amount);
        } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
            _transferStandard(sender, recipient, amount);
        } else if (_isExcluded[sender] && _isExcluded[recipient]) {
            _transferBothExcluded(sender, recipient, amount);
        } else {
            _transferStandard(sender, recipient, amount);
        }
    }

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rBurn, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _reflectFee(rFee, tFee);
        if (tBurn > 0) {
            _reflectBurn(rBurn, tBurn, sender);
        }
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rBurn, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _reflectFee(rFee, tFee);
        if (tBurn > 0) {
            _reflectBurn(rBurn, tBurn, sender);
        }
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rBurn, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _reflectFee(rFee, tFee);
        if (tBurn > 0) {
            _reflectBurn(rBurn, tBurn, sender);
        }
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rBurn, uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _reflectFee(rFee, tFee);
        if (tBurn > 0) {
            _reflectBurn(rBurn, tBurn, sender);
        }
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    function _reflectBurn(uint256 rBurn, uint256 tBurn, address account) private {
        _rTotal = _rTotal.sub(rBurn);
        _tTotal = _tTotal.sub(tBurn);
        emit Transfer(account, address(0), tBurn);
    }

    function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
        (uint256 tTransferAmount, uint256 tFee, uint256 tBurn) = _getTValues(tAmount);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rBurn) = _getRValues(tAmount, tFee, tBurn);
        return (rAmount, rTransferAmount, rFee, rBurn, tTransferAmount, tFee, tBurn);
    }

    function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
        uint256 tFee = tAmount.div(100);
        uint256 tTransferAmount = tAmount.sub(tFee);
        uint256 tBurn = 0;
        if (_tTotal > BURN_STOP_SUPPLY) {
            tBurn = tAmount.div(100);
            if (_tTotal < BURN_STOP_SUPPLY.add(tBurn)) {
                tBurn = _tTotal.sub(BURN_STOP_SUPPLY);
            }
            tTransferAmount = tTransferAmount.sub(tBurn);
        }
        return (tTransferAmount, tFee, tBurn);
    }

    function _getRValues(uint256 tAmount, uint256 tFee, uint256 tBurn) private view returns (uint256, uint256, uint256, uint256) {
        uint256 currentRate = _getRate();
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rBurn = 0;
        uint256 rTransferAmount = rAmount.sub(rFee);
        if (tBurn > 0) {
            rBurn = tBurn.mul(currentRate);
            rTransferAmount = rAmount.sub(rBurn);
        }
        return (rAmount, rTransferAmount, rFee, rBurn);
    }

    function _getRate() private view returns (uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }

    function _getCurrentSupply() private view returns (uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
            rSupply = rSupply.sub(_rOwned[_excluded[i]]);
            tSupply = tSupply.sub(_tOwned[_excluded[i]]);
        }
        if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }

    function _burn(address account, uint256 tAmount, uint256 rAmount) private {
        if (_isExcluded[account]) {
            _tOwned[account] = _tOwned[account].sub(tAmount, "ERC20: burn amount exceeds balance");
            _rOwned[account] = _rOwned[account].sub(rAmount, "ERC20: burn amount exceeds balance"); 
        } else {
            _rOwned[account] = _rOwned[account].sub(rAmount, "ERC20: burn amount exceeds balance");
        }
        _reflectBurn(rAmount, tAmount, account);
    }
}

// File: contracts/FreezeTokenWallet.sol

pragma solidity ^0.6.2;




contract FreezeTokenWallet is RetrieveTokensFeature {

  using SafeMath for uint256;

  IERC20Cutted public token;

  bool public started;

  uint256 public startLockPeriod = 0 days;

  uint256 public period = 30 * 30 * 1 days;

  uint256 public duration = 90 days;

  uint256 public startUnlock;

  uint256 public retrievedTokens;

  uint256 public startBalance;

  modifier notStarted() {
    require(!started);
    _;
  }

  function setPeriod(uint newPeriod) public onlyOwner notStarted {
    period = newPeriod * 1 days;
  }

  function setDuration(uint newDuration) public onlyOwner notStarted {
    duration = newDuration * 1 days;
  }

  function setStartLockPeriod(uint newStartLockPeriod) public onlyOwner notStarted {
    startLockPeriod = newStartLockPeriod * 1 days;
  }

  function setToken(address newToken) public onlyOwner notStarted {
    token = IERC20Cutted(newToken);
  }

  function start(uint startDate) public onlyOwner notStarted {
    startUnlock = startDate + startLockPeriod;
    retrievedTokens = 0;
    startBalance = token.balanceOf(address(this));
    started = true;
  }

  function retrieveWalletTokens(address to) public onlyOwner {
    require(started && now >= startUnlock);
    if (now >= startUnlock + period) {
      token.transfer(to, token.balanceOf(address(this)));
    } else {
      uint parts = period.div(duration);
      uint tokensByPart = startBalance.div(parts);
      uint timeSinceStart = now.sub(startUnlock);
      uint pastParts = timeSinceStart.div(duration);
      uint tokensToRetrieveSinceStart = pastParts.mul(tokensByPart);
      uint tokensToRetrieve = tokensToRetrieveSinceStart.sub(retrievedTokens);
      if(tokensToRetrieve > 0) {
        retrievedTokens = retrievedTokens.add(tokensToRetrieve);
        token.transfer(to, tokensToRetrieve);
      }
    }
  }

  function retrieveTokens(address to, address anotherToken) override public onlyOwner() {
    require(address(token) != anotherToken, "");
    super.retrieveTokens(to, anotherToken);
  }

}

// File: contracts/Configurator.sol

pragma solidity ^0.6.2;







contract Configurator is RetrieveTokensFeature {
    using SafeMath for uint256;
    using Address for address;

    uint256 private constant MAX = ~uint256(0);

    uint256 private constant COMPANY_RESERVE_AMOUNT    = 21000000 * 1 ether;
    uint256 private constant TEAM_AMOUNT               = 21000000 * 1 ether;
    uint256 private constant MARKETING_AMOUNT          = 10500000 * 1 ether;
    uint256 private constant LIQUIDITY_RESERVE         = 10500000 * 1 ether;
    uint256 private constant SALE_AMOUNT               = uint256(147000000 * 1 ether * 100) / 98;

    address private constant OWNER_ADDRESS             = address(0x68CE6F1A63CC76795a70Cf9b9ca3f23293547303);
    address private constant TEAM_WALLET_OWNER_ADDRESS = address(0x44C4A8d57B22597a2c0397A15CF1F32d8A4EA8F7);
    address private constant MARKETING_WALLET_ADDRESS  = address(0x127D069DC8B964a813889D349eD3dA3f6D35383D);
    address private constant COMPANY_RESERVE_ADDRESS   = address(0x7BD3b301f3537c75bf64B7468998d20045cfa48e);
    address private constant LIQUIDITY_WALLET_ADDRESS  = address(0x91E84302594deFaD552938B6D0D56e9f39908f9F);
    address payable constant ETH_WALLET_ADDRESS        = payable(0x68CE6F1A63CC76795a70Cf9b9ca3f23293547303);
    address private constant DEPLOYER_ADDRESS          = address(0x6E9DC3D20B906Fd2B52eC685fE127170eD2165aB);

    uint256 private constant PRICE                   = 10000 * 1 ether;  // 1 ETH = 10000 10SET

    uint256 private constant STAGE1_START_DATE       = 1612116000;       // Jan 31 2021 19:00:00 GMT+0100
    uint256 private constant STAGE1_END_DATE         = 1612720800;       // Feb 07 2021 19:00:00 GMT+0100
    uint256 private constant STAGE1_BONUS            = 10;
    uint256 private constant STAGE1_MIN_INVESTMENT   = 1 * 10 ** 17;     // 0.1 ETH
    uint256 private constant STAGE1_MAX_INVESTMENT   = 40 * 1 ether;     // 40 ETH
    uint256 private constant STAGE1_TOKEN_HARDCAP    = 11000000 * 1 ether;

    uint256 private constant STAGE2_START_DATE       = 1615140000;       // Mar 07 2021 19:00:00 GMT+0100
    uint256 private constant STAGE2_END_DATE         = 1615744800;       // Mar 14 2021 19:00:00 GMT+0100 
    uint256 private constant STAGE2_BONUS            = 5;
    uint256 private constant STAGE2_MIN_INVESTMENT   = 0.1 * 1 ether;    // 0.1 ETH
    uint256 private constant STAGE2_MAX_INVESTMENT   = 100 * 1 ether;    // 100 ETH
    uint256 private constant STAGE2_TOKEN_HARDCAP    = 52500000 * 1 ether;

    uint256 private constant STAGE3_START_DATE       = 1615744800;       // Mar 14 2021 19:00:00 GMT+0100 
    uint256 private constant STAGE3_END_DATE         = 253374588000;     // Feb 14 9999 07:00:00 GMT+0100 
    uint256 private constant STAGE3_BONUS            = 0;
    uint256 private constant STAGE3_MIN_INVESTMENT   = 0;                // 0 ETH
    uint256 private constant STAGE3_MAX_INVESTMENT   = MAX;
    uint256 private constant STAGE3_TOKEN_HARDCAP    = 80000000 * 1 ether;

    address[] private addresses;
    uint256[] private amounts;

    TenSetToken public token;
    FreezeTokenWallet public freezeWallet;
    CommonSale public commonSale;

    constructor () public {
        // create instances
        freezeWallet = new FreezeTokenWallet();
        commonSale = new CommonSale();

        addresses.push(COMPANY_RESERVE_ADDRESS);
        amounts.push(COMPANY_RESERVE_AMOUNT);
        addresses.push(address(freezeWallet));
        amounts.push(TEAM_AMOUNT);
        addresses.push(MARKETING_WALLET_ADDRESS);
        amounts.push(MARKETING_AMOUNT);
        addresses.push(address(commonSale));
        amounts.push(SALE_AMOUNT);
        addresses.push(LIQUIDITY_WALLET_ADDRESS);
        amounts.push(0); // will receive the remaining tokens (should be slightly less than LIQUIDITY_RESERVE)

        token = new TenSetToken(addresses, amounts);

        commonSale.setToken(address(token));
        freezeWallet.setToken(address(token));

        commonSale.setPrice(PRICE);
        commonSale.setWallet(ETH_WALLET_ADDRESS);
        commonSale.addMilestone(STAGE1_START_DATE, STAGE1_END_DATE, STAGE1_BONUS, STAGE1_MIN_INVESTMENT, STAGE1_MAX_INVESTMENT, 0, 0, STAGE1_TOKEN_HARDCAP);
        commonSale.setMilestoneWithWhitelist(0);
        commonSale.addMilestone(STAGE2_START_DATE, STAGE2_END_DATE, STAGE2_BONUS, STAGE2_MIN_INVESTMENT, STAGE2_MAX_INVESTMENT, 0, 0, STAGE2_TOKEN_HARDCAP);
        commonSale.setMilestoneWithWhitelist(1);
        commonSale.addMilestone(STAGE3_START_DATE, STAGE3_END_DATE, STAGE3_BONUS, STAGE3_MIN_INVESTMENT, STAGE3_MAX_INVESTMENT, 0, 0, STAGE3_TOKEN_HARDCAP);

        freezeWallet.start(STAGE1_START_DATE);

        token.transferOwnership(OWNER_ADDRESS);
        freezeWallet.transferOwnership(TEAM_WALLET_OWNER_ADDRESS);
        commonSale.transferOwnership(DEPLOYER_ADDRESS);
    }

}

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