Contract 0x47953c729a571ef331e92d537adc45985976c756 2

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0xa4f059688a82d9fc76e53cc0542694633311197430482f3a23d35a9803a45e16Unstake165925862022-06-27 16:51:577 hrs 7 mins ago0x29a24e5663d90c9a196869d8b227535c78dc859d IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338373 30
0x7141d210b610724c272e62683ec4c3ce3906f771c1fc4c8f0e71112e311b2300Unstake165378202022-06-26 10:22:061 day 13 hrs ago0x9d89645c1072023716cb611c3ca598560e858d4c IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xe25b7e9b4cb75b97a4be49e2bd52647d1a3a2a0228309c62383323afe6764168Claim165377692022-06-26 10:20:241 day 13 hrs ago0x9d89645c1072023716cb611c3ca598560e858d4c IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00097941 30
0xafe10ef91668eb37d1632bdc599b15cf0bb1505348933866bbf447fe3cc589c3Claim165377312022-06-26 10:19:081 day 13 hrs ago0x9d89645c1072023716cb611c3ca598560e858d4c IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00249681 30
0xfefad7d7d4941010374b472e2752bde0f8bfac0fc9c82d64ca6d4f9d98f8acc7Unstake165119592022-06-25 19:59:262 days 4 hrs ago0x9e60316fc789619900d50e43f5314a624f34227d IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xb926913d0553447e0e549ace31e72c8e4c25e377c7cd4b788043fb618f5eaa72Unstake165034052022-06-25 15:14:042 days 8 hrs ago0x01df5491297fde0f8acfbb1f8b433e93d83d06ff IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x55720d6b881cb80274c9bdf8347472c1f41c83344d6121091adc92a545cb5c74Unstake164785722022-06-25 1:25:112 days 22 hrs ago0x100580e9955113dc144d3969ab23d6ef48b25547 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xd7433d7c26511a2378078ea7b6a573a243c319e39ce5953b4f3d784dd7619e26Unstake164330222022-06-24 0:10:523 days 23 hrs ago0x15784b1b1e46e20b8a19c9ca522b0c814853a7a2 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x97eb7b09e3d651ef370447822ab4cad73f856ecf7a595e7853610a96d3b82380Unstake163770482022-06-22 17:04:295 days 6 hrs ago0x7934746c0b363c395ec01e6eeddc151f21a5d4b4 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00389673 30
0x8b44c905b4c8349b7ece8f64f22a187dadcfd33b2441f18e8848ef99f6f1713eUnstake163761402022-06-22 16:34:085 days 7 hrs ago0x262bec7e5c6c8badddd2d3908e4c2adaa738fc81 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x98cc4d91bc0985052d5389b322c4af2380c7af01592654755306c9b8fadbb2efUnstake162409862022-06-19 13:31:278 days 10 hrs ago0xbfe4802d9dd72a0336b2f59d67bd1a8aac5eb962 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338373 30
0x34a9527f514ed0c1e23b8cc5b0d8a83f7dd5553b8d395acaaddf462c0aa24063Unstake162183862022-06-19 1:02:528 days 22 hrs ago0x3d5047d99a9891e18acc86fd86257f9b793931ca IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xc84134f78dc662d0622807e1855c506c6f5b32990d3433798d86a1df8c86980bUnstake161442182022-06-17 8:10:3410 days 15 hrs ago0x87179fba870190d7d86c130808a6adb17d7c19cf IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00389673 30
0x1c06d3487a5c7f79d2cdfac9299e648ef76303c0fa8fe60badc4da626e9385d1Unstake160414792022-06-14 23:42:4813 days 16 mins ago0xcba1a275e2d858ecffaf7a87f606f74b719a8a93 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338445 30
0xeef01b7f564d361d8b4c0770d117e31e41e37b458822e85c771ed6293b261f79Unstake160351082022-06-14 20:11:5513 days 3 hrs ago0x7934746c0b363c395ec01e6eeddc151f21a5d4b4 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00389673 30
0xd010ce0397e5d008c5f78ca4be237055e659f7ea63017e6e6a5aeb138e5ed8b7Unstake160265672022-06-14 15:28:5813 days 8 hrs ago0x80a44405fe5f3cfa328be7a281f92dda8c9df098 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xf9d527be81115f03cf679729cde7b7dcb193c0457b4a5ddb0b8b236628123677Unstake160155952022-06-14 9:28:4213 days 14 hrs ago0xe6734dfd9a83b5862adeff1a2aafdaa5fc70212f IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00389709 30
0xcae982c96f871b2cfe05f8d1a5ced40ffecc7a38ce516af639f5bbd6fa683feaUnstake160135912022-06-14 8:22:0713 days 15 hrs ago0x5951a480aeb30b90c9ebbf36eb3558ae9cdb54aa IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x623068cb1149c4c9b8e4802e61798ec794ab6778ccf2198696e72208fde9fc0cUnstake159928682022-06-13 21:09:4914 days 2 hrs ago0x56e12b9d70062db77634410e32f2670ba72aea5b IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0xc2797f95867cf88fa031b0e2b4467b49eb57a47604446d2e0742e00d9cff179dUnstake159900842022-06-13 19:38:2014 days 4 hrs ago0x5cc46710cb80caca392083c0dbf07dd675a41400 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00389709 30
0x68085c54d5369215b8dbe87716b4ad2ee988bb1f0453328718303803db8b5903Unstake159356282022-06-12 14:12:2515 days 9 hrs ago0xf1227c64a8f6d3316c2dea747d0b6a92fc468eaf IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x47625bf02fcebaf6482f29f4d730a260c67992ee4f5ec7b3be69e2532ca8ee7dUnstake159354452022-06-12 14:06:1915 days 9 hrs ago0x22fc23e65f612a6190ff44204e5307849fffec99 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338445 30
0x6c0ad79fa461db71ea062b52ffde7494bd7e2b6db8747ede10ed6494ff33de79Unstake159151042022-06-12 2:51:0615 days 21 hrs ago0x60d50164733c6895775f5bf4f8c3a7004c9f3c66 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
0x308b47d068ef593b713f1001268192b321536d391689a2f438a48f8a676f5c7eUnstake158927682022-06-11 14:29:4716 days 9 hrs ago0x3a67c34ea5e41ac06872047a5a17432d156541ab IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338373 30
0x8c86558bcc88688912b632d0c908ca22a36c67895ca86bc734c1511cc11e8c20Unstake158848502022-06-11 10:06:3916 days 13 hrs ago0x1aca81cf149393e4961e890619b35830c3a97be6 IN  0x47953c729a571ef331e92d537adc45985976c7560 AVAX0.00338409 30
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Contract Source Code Verified (Exact Match)

Contract Name:
TimeStaking

Compiler Version
v0.7.5+commit.eb77ed08

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at snowtrace.io on 2021-11-15
*/

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

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;
    }
    function add32(uint32 a, uint32 b) internal pure returns (uint32) {
        uint32 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;
    }
}

interface IERC20 {
    function decimals() external view returns (uint8);
  /**
   * @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);
}

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 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;
    }

    /**
     * @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}
     */
    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).
     *
     *
     * 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);
    }

    function _functionCallWithValue(
        address target, 
        bytes memory data, 
        uint256 weiValue, 
        string memory errorMessage
    ) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

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

  /**
     * @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);
    }

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

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(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);
            }
        }
    }

    function addressToString(address _address) internal pure returns(string memory) {
        bytes32 _bytes = bytes32(uint256(_address));
        bytes memory HEX = "0123456789abcdef";
        bytes memory _addr = new bytes(42);

        _addr[0] = '0';
        _addr[1] = 'x';

        for(uint256 i = 0; i < 20; i++) {
            _addr[2+i*2] = HEX[uint8(_bytes[i + 12] >> 4)];
            _addr[3+i*2] = HEX[uint8(_bytes[i + 12] & 0x0f)];
        }

        return string(_addr);

    }
}

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));
    }

    /**
     * @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'
        // 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, "SafeERC20: decreased allowance below zero");
        _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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

interface IOwnable {
  function manager() external view returns (address);

  function renounceManagement() external;
  
  function pushManagement( address newOwner_ ) external;
  
  function pullManagement() external;
}

contract Ownable is IOwnable {

    address internal _owner;
    address internal _newOwner;

    event OwnershipPushed(address indexed previousOwner, address indexed newOwner);
    event OwnershipPulled(address indexed previousOwner, address indexed newOwner);

    constructor () {
        _owner = msg.sender;
        emit OwnershipPushed( address(0), _owner );
    }

    function manager() public view override returns (address) {
        return _owner;
    }

    modifier onlyManager() {
        require( _owner == msg.sender, "Ownable: caller is not the owner" );
        _;
    }

    function renounceManagement() public virtual override onlyManager() {
        emit OwnershipPushed( _owner, address(0) );
        _owner = address(0);
    }

    function pushManagement( address newOwner_ ) public virtual override onlyManager() {
        require( newOwner_ != address(0), "Ownable: new owner is the zero address");
        emit OwnershipPushed( _owner, newOwner_ );
        _newOwner = newOwner_;
    }
    
    function pullManagement() public virtual override {
        require( msg.sender == _newOwner, "Ownable: must be new owner to pull");
        emit OwnershipPulled( _owner, _newOwner );
        _owner = _newOwner;
    }
}

interface IMemo {
    function rebase( uint256 ohmProfit_, uint epoch_) external returns (uint256);

    function circulatingSupply() external view returns (uint256);

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

    function gonsForBalance( uint amount ) external view returns ( uint );

    function balanceForGons( uint gons ) external view returns ( uint );
    
    function index() external view returns ( uint );
}

interface IWarmup {
    function retrieve( address staker_, uint amount_ ) external;
}

interface IDistributor {
    function distribute() external returns ( bool );
}

contract TimeStaking is Ownable {

    using SafeMath for uint256;
    using SafeMath for uint32;
    using SafeERC20 for IERC20;

    address public immutable Time;
    address public immutable Memories;

    struct Epoch {
        uint number;
        uint distribute;
        uint32 length;
        uint32 endTime;
    }
    Epoch public epoch;

    address public distributor;
    
    address public locker;
    uint public totalBonus;
    
    address public warmupContract;
    uint public warmupPeriod;
    
    constructor ( 
        address _Time, 
        address _Memories, 
        uint32 _epochLength,
        uint _firstEpochNumber,
        uint32 _firstEpochTime
    ) {
        require( _Time != address(0) );
        Time = _Time;
        require( _Memories != address(0) );
        Memories = _Memories;
        
        epoch = Epoch({
            length: _epochLength,
            number: _firstEpochNumber,
            endTime: _firstEpochTime,
            distribute: 0
        });
    }

    struct Claim {
        uint deposit;
        uint gons;
        uint expiry;
        bool lock; // prevents malicious delays
    }
    mapping( address => Claim ) public warmupInfo;

    /**
        @notice stake OHM to enter warmup
        @param _amount uint
        @return bool
     */
    function stake( uint _amount, address _recipient ) external returns ( bool ) {
        rebase();
        
        IERC20( Time ).safeTransferFrom( msg.sender, address(this), _amount );

        Claim memory info = warmupInfo[ _recipient ];
        require( !info.lock, "Deposits for account are locked" );

        warmupInfo[ _recipient ] = Claim ({
            deposit: info.deposit.add( _amount ),
            gons: info.gons.add( IMemo( Memories ).gonsForBalance( _amount ) ),
            expiry: epoch.number.add( warmupPeriod ),
            lock: false
        });
        
        IERC20( Memories ).safeTransfer( warmupContract, _amount );
        return true;
    }

    /**
        @notice retrieve sOHM from warmup
        @param _recipient address
     */
    function claim ( address _recipient ) public {
        Claim memory info = warmupInfo[ _recipient ];
        if ( epoch.number >= info.expiry && info.expiry != 0 ) {
            delete warmupInfo[ _recipient ];
            IWarmup( warmupContract ).retrieve( _recipient, IMemo( Memories ).balanceForGons( info.gons ) );
        }
    }

    /**
        @notice forfeit sOHM in warmup and retrieve OHM
     */
    function forfeit() external {
        Claim memory info = warmupInfo[ msg.sender ];
        delete warmupInfo[ msg.sender ];

        IWarmup( warmupContract ).retrieve( address(this), IMemo( Memories ).balanceForGons( info.gons ) );
        IERC20( Time ).safeTransfer( msg.sender, info.deposit );
    }

    /**
        @notice prevent new deposits to address (protection from malicious activity)
     */
    function toggleDepositLock() external {
        warmupInfo[ msg.sender ].lock = !warmupInfo[ msg.sender ].lock;
    }

    /**
        @notice redeem sOHM for OHM
        @param _amount uint
        @param _trigger bool
     */
    function unstake( uint _amount, bool _trigger ) external {
        if ( _trigger ) {
            rebase();
        }
        IERC20( Memories ).safeTransferFrom( msg.sender, address(this), _amount );
        IERC20( Time ).safeTransfer( msg.sender, _amount );
    }

    /**
        @notice returns the sOHM index, which tracks rebase growth
        @return uint
     */
    function index() public view returns ( uint ) {
        return IMemo( Memories ).index();
    }

    /**
        @notice trigger rebase if epoch over
     */
    function rebase() public {
        if( epoch.endTime <= uint32(block.timestamp) ) {

            IMemo( Memories ).rebase( epoch.distribute, epoch.number );

            epoch.endTime = epoch.endTime.add32( epoch.length );
            epoch.number++;
            
            if ( distributor != address(0) ) {
                IDistributor( distributor ).distribute();
            }

            uint balance = contractBalance();
            uint staked = IMemo( Memories ).circulatingSupply();

            if( balance <= staked ) {
                epoch.distribute = 0;
            } else {
                epoch.distribute = balance.sub( staked );
            }
        }
    }

    /**
        @notice returns contract OHM holdings, including bonuses provided
        @return uint
     */
    function contractBalance() public view returns ( uint ) {
        return IERC20( Time ).balanceOf( address(this) ).add( totalBonus );
    }

    /**
        @notice provide bonus to locked staking contract
        @param _amount uint
     */
    function giveLockBonus( uint _amount ) external {
        require( msg.sender == locker );
        totalBonus = totalBonus.add( _amount );
        IERC20( Memories ).safeTransfer( locker, _amount );
    }

    /**
        @notice reclaim bonus from locked staking contract
        @param _amount uint
     */
    function returnLockBonus( uint _amount ) external {
        require( msg.sender == locker );
        totalBonus = totalBonus.sub( _amount );
        IERC20( Memories ).safeTransferFrom( locker, address(this), _amount );
    }

    enum CONTRACTS { DISTRIBUTOR, WARMUP, LOCKER }

    /**
        @notice sets the contract address for LP staking
        @param _contract address
     */
    function setContract( CONTRACTS _contract, address _address ) external onlyManager() {
        if( _contract == CONTRACTS.DISTRIBUTOR ) { // 0
            distributor = _address;
        } else if ( _contract == CONTRACTS.WARMUP ) { // 1
            require( warmupContract == address( 0 ), "Warmup cannot be set more than once" );
            warmupContract = _address;
        } else if ( _contract == CONTRACTS.LOCKER ) { // 2
            require( locker == address(0), "Locker cannot be set more than once" );
            locker = _address;
        }
    }
    
    /**
     * @notice set warmup period in epoch's numbers for new stakers
     * @param _warmupPeriod uint
     */
    function setWarmup( uint _warmupPeriod ) external onlyManager() {
        warmupPeriod = _warmupPeriod;
    }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_Time","type":"address"},{"internalType":"address","name":"_Memories","type":"address"},{"internalType":"uint32","name":"_epochLength","type":"uint32"},{"internalType":"uint256","name":"_firstEpochNumber","type":"uint256"},{"internalType":"uint32","name":"_firstEpochTime","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPulled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPushed","type":"event"},{"inputs":[],"name":"Memories","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"Time","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"distributor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"epoch","outputs":[{"internalType":"uint256","name":"number","type":"uint256"},{"internalType":"uint256","name":"distribute","type":"uint256"},{"internalType":"uint32","name":"length","type":"uint32"},{"internalType":"uint32","name":"endTime","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"forfeit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"giveLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"index","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"locker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pullManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner_","type":"address"}],"name":"pushManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rebase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"returnLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum TimeStaking.CONTRACTS","name":"_contract","type":"uint8"},{"internalType":"address","name":"_address","type":"address"}],"name":"setContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_warmupPeriod","type":"uint256"}],"name":"setWarmup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"stake","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleDepositLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalBonus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_trigger","type":"bool"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"warmupContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"warmupInfo","outputs":[{"internalType":"uint256","name":"deposit","type":"uint256"},{"internalType":"uint256","name":"gons","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"bool","name":"lock","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"warmupPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000b8ef3a190b68175000b74b4160d325fd5024760e000000000000000000000000f3caa368b06033a83a49317549b3c1b47e7d5f8f000000000000000000000000000000000000000000000000000000000000708000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000061864410

-----Decoded View---------------
Arg [0] : _Time (address): 0xb8ef3a190b68175000b74b4160d325fd5024760e
Arg [1] : _Memories (address): 0xf3caa368b06033a83a49317549b3c1b47e7d5f8f
Arg [2] : _epochLength (uint32): 28800
Arg [3] : _firstEpochNumber (uint256): 0
Arg [4] : _firstEpochTime (uint32): 1636189200

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000b8ef3a190b68175000b74b4160d325fd5024760e
Arg [1] : 000000000000000000000000f3caa368b06033a83a49317549b3c1b47e7d5f8f
Arg [2] : 0000000000000000000000000000000000000000000000000000000000007080
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000061864410


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://afca64319fedf7c07403650a4d9993b430cfe27840e236489bd8edba30384076
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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