Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^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;
        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");

        (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");

        (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");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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


// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^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: @openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol


// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;



/**
 * @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 IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    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));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    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'
        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) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - 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. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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


// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // 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 (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @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) {
        return a + b;
    }

    /**
     * @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 a - b;
    }

    /**
     * @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) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting 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 a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

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


// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^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 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) {
        return msg.sender;
    }

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

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


// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual 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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: _TokenVesting.sol

pragma solidity ^0.8.4;



/**
 * @title PrivateVesting
 * @dev A token holder contract that can release its token balance gradually like a
 * typical vesting scheme, with a cliff and vesting period. Optionally revocable by the owner.
 */
contract PrivateVesting is Ownable {
    // The vesting schedule is time-based (i.e. using block timestamps as opposed to e.g. block numbers), and is
    // therefore sensitive to timestamp manipulation (which is something miners can do, to a certain degree). Therefore,
    // it is recommended to avoid using short time durations (less than a minute). Typical vesting schemes, with a
    // cliff period of a year and a duration of four years, are safe to use.
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    event Registered(address account, uint256 amount);
    event Revoked(address account);
    event Claimed(address account, uint256 amount);

    address public vestingToken;
    uint256 public totalReleased;
    uint256 public totalAllocated;

    struct Beneficiary {
        uint256 start;
        uint256 cliff;
        uint256 duration;
        uint256 amount;
        uint256 released;
        bool revocable;
        bool revoked;
        bool initialized;
    }

    mapping(address => Beneficiary) private _vestingBeneficiaries;

    modifier isRegistered(address account) {
        require(
            _vestingBeneficiaries[account].initialized,
            "TokenVesting: not registered"
        );
        _;
    }

    /**
     * @dev Sets the values for vestingToken. VestingToken is immutable:
     * they can only be set once during construction.
     */

    constructor(address token) {
        vestingToken = token;
    }

    /* ========== External View FUNCTIONS ========== */

    /**
     * @return The cliff time of the token vesting.
     */
    function cliff(address account) external view returns (uint256) {
        return _vestingBeneficiaries[account].cliff;
    }

    /**
     * @return The remaining cliff time of the token vesting to be claimable.
     */
    function cliffLeft(address account) external view returns (uint256) {
        if (block.timestamp < _vestingBeneficiaries[account].cliff) {
            return _vestingBeneficiaries[account].cliff - block.timestamp;
        } else {
            return 0;
        }
    }
    
    /**
     * @return The start time of the token vesting.
     */
    function start(address account) external view returns (uint256) {
        return _vestingBeneficiaries[account].start;
    }

    /**
     * @return The duration of the token vesting.
     */
    function duration(address account) external view returns (uint256) {
        return _vestingBeneficiaries[account].duration;
    }

    /**
     * @return True if the vesting is revocable.
     */
    function revocable(address account) external view returns (bool) {
        return _vestingBeneficiaries[account].revocable;
    }

    /**
     * @return The amount of the token released.
     */
    function released(address account) external view returns (uint256) {
        return _vestingBeneficiaries[account].released;
    }

    /**
     * @return The amount of the token claimable.
     */
    function claimable(address account) external view returns (uint256) {
        return _releasableAmount(_vestingBeneficiaries[account]);
    }

    /**
     * @return The amount of the token vested.
     */
    function vested(address account) external view returns (uint256) {
        return _vestedAmount(_vestingBeneficiaries[account]);
    }    

    /**
     * @return True if the token is revoked.
     */
    function revoked(address account) external view returns (bool) {
        return _vestingBeneficiaries[account].revoked;
    }

    /**
     * @return The amount of vesting token
     */
    function amount(address account) external view returns (uint256) {
        return _vestingBeneficiaries[account].amount;
    }

    /**
     * @return True if the account is initialized.
     */
    function initialized(address account) external view returns (bool) {
        return _vestingBeneficiaries[account].initialized;
    }

    /**
     * @dev Add beneficiary with related information to the vesting contract
     * @param _account address of the beneficiary to whom vested tokens are transferred
     * @param _start the time (as Unix time) at which point vesting starts
     * @param _cliffDuration duration in seconds of the cliff in which tokens will begin to vest
     * @param _duration duration in seconds of the period in which the tokens will vest
     * @param _amount the vesting amount of beneficiary
     * @param _revocable whether the vesting is revocable or not
     */
    function register(
        address _account,
        uint256 _start,
        uint256 _cliffDuration,
        uint256 _duration,
        uint256 _amount,
        bool _revocable
    ) external onlyOwner {
        require(
            !_vestingBeneficiaries[_account].initialized,
            "TokenVesting: account has been registered"
        );
        require(
            _account != address(0),
            "TokenVesting: account is zero address"
        );
        require(
            _cliffDuration <= _duration,
            "TokenVesting: cliff is longer than duration"
        );
        require(_duration > 0, "TokenVesting: duration is 0");
        require(
            _start.add(_duration) > block.timestamp,
            "TokenVesting: final time is before current time"
        );
        require(
            totalAllocated.sub(totalReleased).add(_amount) <=
                IERC20(vestingToken).balanceOf(address(this)),
            "TokenVesting: insufficient balance"
        );

        Beneficiary memory beneficiary = Beneficiary(
            _start,
            _start.add(_cliffDuration),
            _duration,
            _amount,
            0,
            _revocable,
            false,
            true
        );
        _vestingBeneficiaries[_account] = beneficiary;
        totalAllocated = totalAllocated.add(_amount);
        emit Registered(_account, _amount);
    }

    /**
     * @notice Transfers vested tokens to beneficiary.
     * @param _account The address of beneficiary
     */
    function claim(address _account)
        external
        isRegistered(_account)
        returns (uint256)
    {
        Beneficiary storage beneficiary = _vestingBeneficiaries[_account];
        uint256 unreleasedAmt = _releasableAmount(beneficiary);
        require(unreleasedAmt > 0, "TokenVesting: no tokens are due");

        beneficiary.released = beneficiary.released.add(unreleasedAmt);
        totalReleased = totalReleased.add(unreleasedAmt);
        IERC20(vestingToken).safeTransfer(_account, unreleasedAmt);
        emit Claimed(_account, unreleasedAmt);
        return unreleasedAmt;
    }

    /**
     * @notice Allows the owner to revoke the vesting. Tokens already vested
     * remain in the contract, but the amount will be updated.
     * @param _account The address of beneficiary
     */
    function revoke(address _account)
        external
        onlyOwner
        isRegistered(_account)
    {
        Beneficiary storage beneficiary = _vestingBeneficiaries[_account];
        require(beneficiary.revocable, "TokenVesting: cannot revoke");
        require(!beneficiary.revoked, "TokenVesting: account already revoked");

        uint256 unreleasedAmt = _releasableAmount(beneficiary);
        uint256 refund = beneficiary.amount.sub(
            beneficiary.released.add(unreleasedAmt)
        );

        // the amount of beneficiary will minus refund amount
        // claim amount = new amount - released amount
        beneficiary.amount = beneficiary.amount.sub(refund);
        beneficiary.revoked = true;
        totalAllocated = totalAllocated.sub(refund);
        emit Revoked(_account);
    }

    /* ========== INTERNAL FUNCTIONS ========== */

    /**
     * @dev Calculates the amount that has already vested but hasn't been released yet.
     * @param _beneficiary The related information of beneficiary
     */
    function _releasableAmount(Beneficiary storage _beneficiary)
        private
        view
        returns (uint256)
    {
        return _vestedAmount(_beneficiary).sub(_beneficiary.released);
    }

    /**
     * @dev Calculates the amount that has already vested.
     * @param _beneficiary The related information of beneficiary
     */
    function _vestedAmount(Beneficiary storage _beneficiary)
        private
        view
        returns (uint256)
    {
        if (block.timestamp < _beneficiary.cliff) {
            return 0;
        } else if (
            block.timestamp >= _beneficiary.start.add(_beneficiary.duration) ||
            _beneficiary.revoked
        ) {
            return _beneficiary.amount;
        } else {
            return
                _beneficiary
                    .amount
                    .mul(block.timestamp.sub(_beneficiary.start))
                    .div(_beneficiary.duration);
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Registered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Revoked","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"claim","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"claimable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"cliff","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"cliffLeft","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"duration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_start","type":"uint256"},{"internalType":"uint256","name":"_cliffDuration","type":"uint256"},{"internalType":"uint256","name":"_duration","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_revocable","type":"bool"}],"name":"register","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"released","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"revocable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"revoke","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"revoked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocated","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalReleased","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"vested","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vestingToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000721a1b990699ee9d90b6327faad0a3e840ae8335

-----Decoded View---------------
Arg [0] : token (address): 0x721A1B990699eE9D90b6327FaaD0A3E840aE8335

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000721a1b990699ee9d90b6327faad0a3e840ae8335