Contract 0x9a687a9e95b58f63b0c835646c6a852d753d77dd 1

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x41b3546e7e48f128977cc91e64784fba9a9dd50837b7c65b6349f0826ed57f08Withdraw465430322022-09-07 17:12:3120 days 1 hr ago0xf33770eda9ea1a7225436ae24a3953e957bb4d96 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000559799261
0x6661038ccdc6a3bfbf715c75c850280cd8d33258f73fd23429bf008ca4eff166Deposit448656582022-08-14 4:46:0944 days 13 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000307871464
0xfb565576350f6929fef689925a30a76f7e9baedfc3741f2f50fdb3eef78d17f8Withdraw448655522022-08-14 4:44:1244 days 13 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000219693451
0x3c96468b958d82ec68bd3af84dbb877a4a7d1271139de1a3866701c38cfadb80Deposit445443952022-08-09 12:49:2649 days 5 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000412476897
0xc2093b1954a693984f344403c105d95ed584b1b3c60caca483dbf724d7c67ed4Withdraw445442672022-08-09 12:47:0549 days 5 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000294309772
0xf8caa57ed17c7872786b31fcce33693ef08732f141af6ec0c3f1fce23a335444Withdraw441990902022-08-04 9:46:3854 days 8 hrs ago0xf33770eda9ea1a7225436ae24a3953e957bb4d96 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000295675601
0x4624f3344cbc213caa9e2d4f997da9285785701e2eb4bce5563064a87fb81affDeposit426677022022-07-13 11:57:0376 days 6 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000332880786
0x0d8874093bd985dd723a2fcdd95300c53f69be37e91fe09cd505f1aea40b6c58Withdraw426674222022-07-13 11:51:5876 days 6 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000450942291
0x3ffe5d2f5f134833fe4e869398c9fb8b37730e7ae698fa28fcfbbe74b6e042b5Deposit425338802022-07-11 15:13:5278 days 3 hrs ago0x4252f0abf02f6b58949aecda2f60cf9b7e9721c0 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.009049227294
0x8f80d526740111f9b5ac2e105355e17e75cdf346d98a875f75889d7b8d23b6a0Withdraw425337852022-07-11 15:10:4378 days 3 hrs ago0x4252f0abf02f6b58949aecda2f60cf9b7e9721c0 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000716334753
0x32ee60da9ab379cf8a965ffb8de84b380853c20666fd4f479a1d4ca76d912ab2Deposit414979492022-06-28 0:17:3091 days 18 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000479851745
0x64e8937123ae3c667d0ccd610eb9f82120d652ccc059a412d64cc5a74068d8c8Withdraw414970832022-06-28 0:01:2991 days 18 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.00030085274
0xb4910fbbe4fd34b4f73e66a3132144414a89d65a4e147857781072cbaac371c7Withdraw402651482022-06-11 6:50:49108 days 11 hrs ago0xf80a2e0632a1c3b77d22e280c970cb03c01d0fc9 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000513178431
0x544bedb96cb7eb10fe5b126e3dd22be1196f35434e84ac351a43ef09318b9c08Withdraw402651182022-06-11 6:50:21108 days 11 hrs ago0xf80a2e0632a1c3b77d22e280c970cb03c01d0fc9 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000347592357
0x06939f5845b19b165af4502ff831a1825f1acc682583703e04cc6fb6a50ac158Deposit402650912022-06-11 6:49:50108 days 11 hrs ago0xf80a2e0632a1c3b77d22e280c970cb03c01d0fc9 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000645907543
0xa7bd991dab120ea5434bf82da3d8f8dfb6bd69e7d184b64f089d9000eb495572Withdraw402647282022-06-11 6:43:28108 days 11 hrs ago0xf80a2e0632a1c3b77d22e280c970cb03c01d0fc9 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000505544789
0x4cc6d034688826ac389d2f389ff3c1c475c037da0b1d9439600ad8064f9aeefeWithdraw402647002022-06-11 6:42:58108 days 11 hrs ago0xf80a2e0632a1c3b77d22e280c970cb03c01d0fc9 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000566766817
0xec7aac607e1cdb420b24fe3be437ed8f8d2e839e2a119b641dc5d6e3062df79dDeposit400646222022-06-08 12:51:38111 days 5 hrs ago0xf33770eda9ea1a7225436ae24a3953e957bb4d96 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.003406042646
0x02d9fc57370dde9eebecf0031ac0f1b598d8009c1bb6b1287d9265450322c81dWithdraw397404802022-06-04 4:41:44115 days 13 hrs ago0xe2e23c12e3f15471c4e5f4c4e1b87cf6672e5ca5 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000870632825
0xa2ec7b92a94a3c43fe8afd4c9ebd783690fe1f705bba088d3e6c16b0944df270Deposit396927642022-06-03 13:17:49116 days 5 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.000734744963
0x9ffabb6098981c9bafd9e2d1d3451b3929d0c343c0bc8905d7293fea436759efWithdraw396924792022-06-03 13:12:54116 days 5 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.00053722939
0xa12e2d0ec87b16f9b5893ab671efbc6d12b5ddc542e82006553574262419c28aWithdraw395845982022-06-02 2:34:15117 days 16 hrs ago0x868cbfd33ec93b451c510125e4d9f1ab1e42fcd2 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.001517887279
0x9bc3eedcc0f8a6be9dd804678d24b11af8ffd93ef8e5085b8e4ef8cf07ad180aWithdraw395845722022-06-02 2:33:47117 days 16 hrs ago0x868cbfd33ec93b451c510125e4d9f1ab1e42fcd2 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.001705912132
0x92c001e833ddc2463a1873a465c13823b306aa327b6cc5fcf0a2dd3793ad1c8aDeposit385739462022-05-19 9:11:14131 days 9 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.020769469154
0xfddc41b343f09dcda39e553fa9bfa88802d5b7ae09e8d5fd257bac1d63fdbfd9Withdraw385737832022-05-19 9:08:19131 days 9 hrs ago0xf1b8d55b7e63893c25ea62cf66bb42f67e76f412 IN  0x9a687a9e95b58f63b0c835646c6a852d753d77dd0 FTM0.014963727081
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0x56f508d7b2fe42bee205c70849738919748a32bac2029deda8c8a23ac617a101332123752022-03-12 8:03:31199 days 10 hrs ago 0x3f7f2a0faa31a291a7b3470ac5c4dd6b8b060470  Contract Creation0 FTM
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xB52F501D1e785411F064d79f587F10b0F9FC9180

Contract Name:
TShareRewardPool

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 5 : TShareRewardPool.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";

// Note that this pool has no minter key of tSHARE (rewards).
// Instead, the governance will call tSHARE distributeReward method and send reward to this pool at the beginning.
contract TShareRewardPool {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    // governance
    address public operator;

    // Info of each user.
    struct UserInfo {
        uint256 amount; // How many LP tokens the user has provided.
        uint256 rewardDebt; // Reward debt. See explanation below.
    }

    // Info of each pool.
    struct PoolInfo {
        IERC20 token; // Address of LP token contract.
        uint256 allocPoint; // How many allocation points assigned to this pool. tSHAREs to distribute per block.
        uint256 lastRewardTime; // Last time that tSHAREs distribution occurs.
        uint256 accTSharePerShare; // Accumulated tSHAREs per share, times 1e18. See below.
        bool isStarted; // if lastRewardTime has passed
    }

    IERC20 public tshare;

    // Info of each pool.
    PoolInfo[] public poolInfo;

    // Info of each user that stakes LP tokens.
    mapping(uint256 => mapping(address => UserInfo)) public userInfo;

    // Total allocation points. Must be the sum of all allocation points in all pools.
    uint256 public totalAllocPoint = 0;

    // The time when tSHARE mining starts.
    uint256 public poolStartTime;

    // The time when tSHARE mining ends.
    uint256 public poolEndTime;

    // uint256 public tSharePerSecond = 0.00187687 ether; // 60000 3share / (370 days * 24h * 60min * 60s)
    uint256 public tSharePerSecond;
    uint256 public runningTime = 365 days; // 365 days
    uint256 public constant TOTAL_REWARDS = 59500 ether;

    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
    event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);
    event RewardPaid(address indexed user, uint256 amount);

    constructor(
        address _tshare,
        uint256 _poolStartTime
    ) public {
        require(block.timestamp < _poolStartTime, "late");
        if (_tshare != address(0)) tshare = IERC20(_tshare);
        poolStartTime = _poolStartTime;
        poolEndTime = poolStartTime + runningTime;
        tSharePerSecond = TOTAL_REWARDS.div(runningTime);
        operator = msg.sender;
    }

    modifier onlyOperator() {
        require(operator == msg.sender, "TShareRewardPool: caller is not the operator");
        _;
    }

    function checkPoolDuplicate(IERC20 _token) internal view {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            require(poolInfo[pid].token != _token, "TShareRewardPool: existing pool?");
        }
    }

    // Add a new lp to the pool. Can only be called by the owner.
    function add(
        uint256 _allocPoint,
        IERC20 _token,
        bool _withUpdate,
        uint256 _lastRewardTime
    ) public onlyOperator {
        checkPoolDuplicate(_token);
        if (_withUpdate) {
            massUpdatePools();
        }
        if (block.timestamp < poolStartTime) {
            // chef is sleeping
            if (_lastRewardTime == 0) {
                _lastRewardTime = poolStartTime;
            } else {
                if (_lastRewardTime < poolStartTime) {
                    _lastRewardTime = poolStartTime;
                }
            }
        } else {
            // chef is cooking
            if (_lastRewardTime == 0 || _lastRewardTime < block.timestamp) {
                _lastRewardTime = block.timestamp;
            }
        }
        bool _isStarted =
        (_lastRewardTime <= poolStartTime) ||
        (_lastRewardTime <= block.timestamp);
        poolInfo.push(PoolInfo({
            token : _token,
            allocPoint : _allocPoint,
            lastRewardTime : _lastRewardTime,
            accTSharePerShare : 0,
            isStarted : _isStarted
            }));
        if (_isStarted) {
            totalAllocPoint = totalAllocPoint.add(_allocPoint);
        }
    }

    // Update the given pool's tSHARE allocation point. Can only be called by the owner.
    function set(uint256 _pid, uint256 _allocPoint) public onlyOperator {
        massUpdatePools();
        PoolInfo storage pool = poolInfo[_pid];
        if (pool.isStarted) {
            totalAllocPoint = totalAllocPoint.sub(pool.allocPoint).add(
                _allocPoint
            );
        }
        pool.allocPoint = _allocPoint;
    }

    // Return accumulate rewards over the given _from to _to block.
    function getGeneratedReward(uint256 _fromTime, uint256 _toTime) public view returns (uint256) {
        if (_fromTime >= _toTime) return 0;
        if (_toTime >= poolEndTime) {
            if (_fromTime >= poolEndTime) return 0;
            if (_fromTime <= poolStartTime) return poolEndTime.sub(poolStartTime).mul(tSharePerSecond);
            return poolEndTime.sub(_fromTime).mul(tSharePerSecond);
        } else {
            if (_toTime <= poolStartTime) return 0;
            if (_fromTime <= poolStartTime) return _toTime.sub(poolStartTime).mul(tSharePerSecond);
            return _toTime.sub(_fromTime).mul(tSharePerSecond);
        }
    }

    // View function to see pending tSHAREs on frontend.
    function pendingShare(uint256 _pid, address _user) external view returns (uint256) {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accTSharePerShare = pool.accTSharePerShare;
        uint256 tokenSupply = pool.token.balanceOf(address(this));
        if (block.timestamp > pool.lastRewardTime && tokenSupply != 0) {
            uint256 _generatedReward = getGeneratedReward(pool.lastRewardTime, block.timestamp);
            uint256 _tshareReward = _generatedReward.mul(pool.allocPoint).div(totalAllocPoint);
            accTSharePerShare = accTSharePerShare.add(_tshareReward.mul(1e18).div(tokenSupply));
        }
        return user.amount.mul(accTSharePerShare).div(1e18).sub(user.rewardDebt);
    }

    // Update reward variables for all pools. Be careful of gas spending!
    function massUpdatePools() public {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            updatePool(pid);
        }
    }

    // Update reward variables of the given pool to be up-to-date.
    function updatePool(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        if (block.timestamp <= pool.lastRewardTime) {
            return;
        }
        uint256 tokenSupply = pool.token.balanceOf(address(this));
        if (tokenSupply == 0) {
            pool.lastRewardTime = block.timestamp;
            return;
        }
        if (!pool.isStarted) {
            pool.isStarted = true;
            totalAllocPoint = totalAllocPoint.add(pool.allocPoint);
        }
        if (totalAllocPoint > 0) {
            uint256 _generatedReward = getGeneratedReward(pool.lastRewardTime, block.timestamp);
            uint256 _tshareReward = _generatedReward.mul(pool.allocPoint).div(totalAllocPoint);
            pool.accTSharePerShare = pool.accTSharePerShare.add(_tshareReward.mul(1e18).div(tokenSupply));
        }
        pool.lastRewardTime = block.timestamp;
    }

    // Deposit LP tokens.
    function deposit(uint256 _pid, uint256 _amount) public {
        address _sender = msg.sender;
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_sender];
        updatePool(_pid);
        if (user.amount > 0) {
            uint256 _pending = user.amount.mul(pool.accTSharePerShare).div(1e18).sub(user.rewardDebt);
            if (_pending > 0) {
                safeTShareTransfer(_sender, _pending);
                emit RewardPaid(_sender, _pending);
            }
        }
        if (_amount > 0) {
            pool.token.safeTransferFrom(_sender, address(this), _amount);
            user.amount = user.amount.add(_amount);
        }
        user.rewardDebt = user.amount.mul(pool.accTSharePerShare).div(1e18);
        emit Deposit(_sender, _pid, _amount);
    }

    // Withdraw LP tokens.
    function withdraw(uint256 _pid, uint256 _amount) public {
        address _sender = msg.sender;
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_sender];
        require(user.amount >= _amount, "withdraw: not good");
        updatePool(_pid);
        uint256 _pending = user.amount.mul(pool.accTSharePerShare).div(1e18).sub(user.rewardDebt);
        if (_pending > 0) {
            safeTShareTransfer(_sender, _pending);
            emit RewardPaid(_sender, _pending);
        }
        if (_amount > 0) {
            user.amount = user.amount.sub(_amount);
            pool.token.safeTransfer(_sender, _amount);
        }
        user.rewardDebt = user.amount.mul(pool.accTSharePerShare).div(1e18);
        emit Withdraw(_sender, _pid, _amount);
    }

    // Withdraw without caring about rewards. EMERGENCY ONLY.
    function emergencyWithdraw(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        uint256 _amount = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;
        pool.token.safeTransfer(msg.sender, _amount);
        emit EmergencyWithdraw(msg.sender, _pid, _amount);
    }

    // Safe tshare transfer function, just in case if rounding error causes pool to not have enough tSHAREs.
    function safeTShareTransfer(address _to, uint256 _amount) internal {
        uint256 _tshareBal = tshare.balanceOf(address(this));
        if (_tshareBal > 0) {
            if (_amount > _tshareBal) {
                tshare.safeTransfer(_to, _tshareBal);
            } else {
                tshare.safeTransfer(_to, _amount);
            }
        }
    }

    function setOperator(address _operator) external onlyOperator {
        operator = _operator;
    }

    function governanceRecoverUnsupported(IERC20 _token, uint256 amount, address to) external onlyOperator {
        if (block.timestamp < poolEndTime + 90 days) {
            // do not allow to drain core token (tSHARE or lps) if less than 90 days after pool ends
            require(_token != tshare, "tshare");
            uint256 length = poolInfo.length;
            for (uint256 pid = 0; pid < length; ++pid) {
                PoolInfo storage pool = poolInfo[pid];
                require(_token != pool.token, "pool.token");
            }
        }
        _token.safeTransfer(to, amount);
    }
}

File 2 of 5 : IERC20.sol
// SPDX-License-Identifier: MIT

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 3 of 5 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";

/**
 * @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 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");
        }
    }
}

File 4 of 5 : SafeMath.sol
// SPDX-License-Identifier: MIT

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, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        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) {
        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) {
        // 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) {
        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) {
        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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        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) {
        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, reverting 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) {
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b > 0, "SafeMath: modulo by zero");
        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) {
        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.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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);
        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) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 5 of 5 : Address.sol
// SPDX-License-Identifier: MIT

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);
    }

    /**
     * @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");

        // 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);
            }
        }
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_tshare","type":"address"},{"internalType":"uint256","name":"_poolStartTime","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"TOTAL_REWARDS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"bool","name":"_withUpdate","type":"bool"},{"internalType":"uint256","name":"_lastRewardTime","type":"uint256"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fromTime","type":"uint256"},{"internalType":"uint256","name":"_toTime","type":"uint256"}],"name":"getGeneratedReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"governanceRecoverUnsupported","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"massUpdatePools","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolEndTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"uint256","name":"lastRewardTime","type":"uint256"},{"internalType":"uint256","name":"accTSharePerShare","type":"uint256"},{"internalType":"bool","name":"isStarted","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"runningTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"}],"name":"setOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"tSharePerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tshare","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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