// File: contracts/LightTheCandles.sol



// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.0 <0.9.0;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";

contract Menorah {

//                           (
//   )     (     )     (    (_)    (     (     )     (
//  (_)   (_)   (_)   (_)   |~|   (_)   (_)   (_)   (_)
//  |~|   |~|   |~|   |~|   |:|   |~|   |~|   |~|   |~|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|   |:|
//  |:|   |:|   |:|   |:|  <+++>  |:|   |:|   |:|   |:|
// <+++> <+++> <+++> <+++>  }~{  <+++> <+++> <+++> <+++>
//  }~{   }~{   }~{   }~{   {+}   }~{   }~{   }~{   }~{
//  {+}   {+}   {+}   {+}   {+}   {+}   {+}   {+}   {+}
//   {}    {}     {}    {}  {+}  {}    {}     {}    {}
//    `{}   `{}    `{}   {} {+} {}   {}`    {}`   {}`
//       `{}   `{}   `{}  {}{+}{}  {}`   {}`   {}`
//         `'{}{}{}{}{}{}{}{}+{}{}{}{}{}{}{}{}'`
//               `{}{}{}{}__/_\__{}{}{}{}`
//                        \/   \/
//                        /\___/\
//                        ~~\_/~~
//                          {+}
//                          {+}
//                       __<+++>__
//                   ___{}{}\O/{}{}___
//                __<+++++++++++++++++>__
//               {}{}{}{}{}{/O\}{}{}{}{}{}
//               `"""""""""""""""""""""""`
// Artwork by JGS, AsciiArt.website
// Smart Contract by AtlasCorp

    using SafeMath for uint256;

    bool[8] public candles;
    address[8] public shamashList;

    uint256 public candlesLit = 0;

    function lightTheCandles() public {
        require(candlesLit < 8, "All candles lit. Happy Hanukkah and See you next year!");

        uint256 tonightsCandle = 7 - candlesLit;

        //Candles can be lit at 6pm EST daily starting on November 28, 2021
        require(block.timestamp >= candlesLit.mul(86400).add(1638140400), "Too early to light the next candle. Happy Hanukkah!");
        require(candles[tonightsCandle]==false, "Tonight's candle already lit. Happy Hanukkah!");

        candles[tonightsCandle] = true;
        candlesLit++;

        shamashList[tonightsCandle] = msg.sender;
    }

    function getCandles() public view returns (bool[8] memory){
        return candles;
    }

    function getShamashList() public view returns (address[8] memory) {
        return shamashList;
    }

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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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;
        }
    }
}