Contract 0xcdc46a2393706b33ee22a1b8316b8348312212b2 1

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x3d09c58a29f50049713ec7ebc77f4db61d80c8006e37b2ce0bcc755956179a92Exit117953172022-05-11 13:00:04570 days 16 hrs ago0x5ade889a20cfbabf704f1cb71b1b3aab2b93f5ea IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.001578851754 ETH43.653539797
0x1bb986bd2a2aabb33b2b412d3c1c94ceb69a16bc77dfb77733a30965658ce9ccExit117148202022-05-10 16:06:51571 days 13 hrs ago0xf66257823682ac8ee6a6082e844bdcfa368a10f6 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000382437834 ETH0.694393354
0xdfcdb0facc66d256b5cc34b8c1811d18cf7e307a09a53a38488de53eca80cb4dGet Reward116261162022-05-09 18:25:51572 days 10 hrs ago0x38ef0fafe442de4a1348b84f3a2ff19741b3c200 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000279563701 ETH0.715040625
0x9b5d72bcbcdc1f2a3654292a9e52036b44ded0538b089a3162b7c3cf84dbc012Exit116260932022-05-09 18:24:38572 days 10 hrs ago0x38ef0fafe442de4a1348b84f3a2ff19741b3c200 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000368370409 ETH0.757378059
0x69819965a99e63215d9bb1a5543ae283c4c4c62b25299a9f15e07dd8faaa44a6Exit114359652022-05-07 18:29:23574 days 10 hrs ago0x985c3e701e7cd13a1ff3e099f98698e75d52b432 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.00017710247 ETH0.350041546
0x604155596789ab8796e7c504b54bad83b70248d4952cc3537708b5aa6f90be9fGet Reward114359422022-05-07 18:29:23574 days 10 hrs ago0x985c3e701e7cd13a1ff3e099f98698e75d52b432 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000167275403 ETH0.350041546
0x188efd5c862f0b1caa3c0b0df336f66052afd23d14bc2a5ff6664874caab3b32Exit113361232022-05-06 14:08:14575 days 15 hrs ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.00024508552 ETH0.487526696
0x5aff184dfa4a901d4db8385482075d6702c87cdeca5047a79317d8930f8a814cStake112620982022-05-05 15:57:40576 days 13 hrs ago0x38ef0fafe442de4a1348b84f3a2ff19741b3c200 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000332895766 ETH0.583121265
0xc713f5114625ac2dcc4c01f68fb765cb5620b0e1450b6f89c3f482b4df47776fGet Reward112226872022-05-05 4:54:29577 days 21 mins ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000262694368 ETH0.614030126
0x14e16af00bbba2f81703cf5c1b0d1b4138db82e20e603588a08ed9ec19e0fe70Get Reward110540332022-05-02 19:28:55579 days 9 hrs ago0x5ade889a20cfbabf704f1cb71b1b3aab2b93f5ea IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000371975278 ETH0.791414872
0x7873ec76904324098d0084622d2613217135be1e287874438dc402798c18832bWithdraw110539962022-05-02 19:28:43579 days 9 hrs ago0x5ade889a20cfbabf704f1cb71b1b3aab2b93f5ea IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000449453211 ETH0.791414872
0x8edbdf2b1d67297d475bc070e3d4e8a4f820126f8b03e9f85450ea66f0b28088Get Reward110226262022-05-02 10:24:05579 days 18 hrs ago0xf66257823682ac8ee6a6082e844bdcfa368a10f6 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000340090357 ETH0.718540729
0x3df497999f4c679c8d73847d778ff297899c945460c3aa3fab24da0252d6601cGet Reward109724882022-05-01 14:04:10580 days 15 hrs ago0x985c3e701e7cd13a1ff3e099f98698e75d52b432 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000756890686 ETH1.593008034
0xe97f6eacdc461ad4e328c37939b96f0768d9c6b5e899784878af167233a5d897Get Reward107016972022-04-28 2:04:03584 days 3 hrs ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.00021630133 ETH0.507225707
0x41a04ffea6af288ee1c5bb856dd536cba118b76f90a0e794cbe9343a849bafdfGet Reward106815672022-04-27 17:58:48584 days 11 hrs ago0x5ade889a20cfbabf704f1cb71b1b3aab2b93f5ea IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000227297216 ETH0.480712504
0x915db17e1812ab16cfc9984abe48676ed8189a9917c5a994591c7cfeeee232beGet Reward104889102022-04-25 1:39:34587 days 3 hrs ago0x985c3e701e7cd13a1ff3e099f98698e75d52b432 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000179066329 ETH0.375784772
0xf54dfaab06c125505375490c69539e15e50fa5f2edfdb9a999bb734f1322decbGet Reward104309712022-04-24 2:00:40588 days 3 hrs ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000177178944 ETH0.415483876
0x335b08d91bdfe1d431eaefe4f4b85f6c5fa6dd78e08017de43535a1f7ffe052eExit102705892022-04-21 16:27:49590 days 12 hrs ago0xc6302894cd030601d5e1f65c8f504c83d5361279 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000311250027 ETH0.561777522
0xfc83abc11963bcc385bf065e736a25248c52a8c9e1ce53bf7de274c9f9da7916Get Reward102704782022-04-21 16:26:00590 days 12 hrs ago0xc6302894cd030601d5e1f65c8f504c83d5361279 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000264814059 ETH0.561777522
0x8a49af8bb19f9c3ae99345268464bc6b97b9de9965fa10a0191d2a4fada8441bGet Reward101976902022-04-20 15:55:00591 days 13 hrs ago0xf66257823682ac8ee6a6082e844bdcfa368a10f6 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000177798838 ETH0.418737416
0x464d6753b7b8b025f30cd44015795902f60d3ec7820589c9240e82f74d2742afGet Reward100846262022-04-19 8:05:08592 days 21 hrs ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000149324041 ETH0.350164247
0x8e03455f9dc0decddb2f16fb78c8ca3a3b39c4f8bb2726ff3dfe28530f482190Stake100172342022-04-18 8:19:13593 days 20 hrs ago0x5ade889a20cfbabf704f1cb71b1b3aab2b93f5ea IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000179455961 ETH0.314343101
0xbc723c194724f59a0b51bf7b1364a6734e478bd5509140219a50ffbaa35fc3daGet Reward100052402022-04-18 3:55:35594 days 1 hr ago0x985c3e701e7cd13a1ff3e099f98698e75d52b432 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000148158416 ETH0.310024245
0x8b3284083a829c571b8ce040d83ce88bfe969f553443242b78e00807b5968b25Stake98867912022-04-16 1:07:08596 days 4 hrs ago0x0d55757e68fb363392745e1ec8b3074316cef775 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000227843262 ETH0.437825014
0x1f892e07fd561be8bfa226b927f59c30e04f048759b1204f629b8752aef76c1bStake98011232022-04-14 16:16:54597 days 12 hrs ago0xc6302894cd030601d5e1f65c8f504c83d5361279 IN  0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH0.000228394618 ETH0.439616073
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x3d09c58a29f50049713ec7ebc77f4db61d80c8006e37b2ce0bcc755956179a92117953172022-05-11 13:00:04570 days 16 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0x3d09c58a29f50049713ec7ebc77f4db61d80c8006e37b2ce0bcc755956179a92117953172022-05-11 13:00:04570 days 16 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x3d09c58a29f50049713ec7ebc77f4db61d80c8006e37b2ce0bcc755956179a92117953172022-05-11 13:00:04570 days 16 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
0x3d09c58a29f50049713ec7ebc77f4db61d80c8006e37b2ce0bcc755956179a92117953172022-05-11 13:00:04570 days 16 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0x1bb986bd2a2aabb33b2b412d3c1c94ceb69a16bc77dfb77733a30965658ce9cc117148202022-05-10 16:06:51571 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0x1bb986bd2a2aabb33b2b412d3c1c94ceb69a16bc77dfb77733a30965658ce9cc117148202022-05-10 16:06:51571 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x1bb986bd2a2aabb33b2b412d3c1c94ceb69a16bc77dfb77733a30965658ce9cc117148202022-05-10 16:06:51571 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
0x1bb986bd2a2aabb33b2b412d3c1c94ceb69a16bc77dfb77733a30965658ce9cc117148202022-05-10 16:06:51571 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0x9b5d72bcbcdc1f2a3654292a9e52036b44ded0538b089a3162b7c3cf84dbc012116260932022-05-09 18:24:38572 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0x9b5d72bcbcdc1f2a3654292a9e52036b44ded0538b089a3162b7c3cf84dbc012116260932022-05-09 18:24:38572 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x9b5d72bcbcdc1f2a3654292a9e52036b44ded0538b089a3162b7c3cf84dbc012116260932022-05-09 18:24:38572 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
0x9b5d72bcbcdc1f2a3654292a9e52036b44ded0538b089a3162b7c3cf84dbc012116260932022-05-09 18:24:38572 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0x69819965a99e63215d9bb1a5543ae283c4c4c62b25299a9f15e07dd8faaa44a6114359652022-05-07 18:29:23574 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x69819965a99e63215d9bb1a5543ae283c4c4c62b25299a9f15e07dd8faaa44a6114359652022-05-07 18:29:23574 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0x604155596789ab8796e7c504b54bad83b70248d4952cc3537708b5aa6f90be9f114359422022-05-07 18:29:23574 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0x604155596789ab8796e7c504b54bad83b70248d4952cc3537708b5aa6f90be9f114359422022-05-07 18:29:23574 days 10 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
0x188efd5c862f0b1caa3c0b0df336f66052afd23d14bc2a5ff6664874caab3b32113361232022-05-06 14:08:14575 days 15 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0x188efd5c862f0b1caa3c0b0df336f66052afd23d14bc2a5ff6664874caab3b32113361232022-05-06 14:08:14575 days 15 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x188efd5c862f0b1caa3c0b0df336f66052afd23d14bc2a5ff6664874caab3b32113361232022-05-06 14:08:14575 days 15 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
0x188efd5c862f0b1caa3c0b0df336f66052afd23d14bc2a5ff6664874caab3b32113361232022-05-06 14:08:14575 days 15 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0x9a4ee1a45ad9ac6f28b1b05988abe5c2610c9886542c28437c9596b0bfcdfbfe113191062022-05-06 10:43:07575 days 18 hrs ago 0xc0dc7c5057141c9065bd9bedf79fd4e9ea69a739 0xcdc46a2393706b33ee22a1b8316b8348312212b20 ETH
0x5aff184dfa4a901d4db8385482075d6702c87cdeca5047a79317d8930f8a814c112620982022-05-05 15:57:40576 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x09672362833d8f703d5395ef3252d4bfa51c15ca0 ETH
0x5aff184dfa4a901d4db8385482075d6702c87cdeca5047a79317d8930f8a814c112620982022-05-05 15:57:40576 days 13 hrs ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x2ce5fd6f6f4a159987eac99ff5158b7b62189acf0 ETH
0xc713f5114625ac2dcc4c01f68fb765cb5620b0e1450b6f89c3f482b4df47776f112226872022-05-05 4:54:29577 days 21 mins ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 0x3f770ac673856f105b586bb393d122721265ad460 ETH
0xc713f5114625ac2dcc4c01f68fb765cb5620b0e1450b6f89c3f482b4df47776f112226872022-05-05 4:54:29577 days 21 mins ago 0xcdc46a2393706b33ee22a1b8316b8348312212b2 dForce: DF Token0 ETH
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Similar Match Source Code
This contract matches the deployed ByteCode of the Source Code for Contract 0xd0BaA984Cd2D25A555710B4f199e873Af668866a
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
StakingPool

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 9 : StakingPool.sol
//SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/Math.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/utils/EnumerableSet.sol";

import "./Ownable.sol";
import "./LPTokenWrapper.sol";

contract StakingPool is Ownable, LPTokenWrapper {
  using SafeERC20 for IERC20;

  IERC20 public rewardToken;

  uint256 public rewardRate = 0;
  uint256 public startTime;
  uint256 public lastUpdateTime;
  uint256 public rewardPerTokenStored;

  uint256 public lastRateUpdateTime;
  uint256 public rewardDistributedStored;

  mapping(address => uint256) public userRewardPerTokenPaid;
  mapping(address => uint256) public rewards;

  event RewardRateUpdated(uint256 oldRewardRate, uint256 newRewardRate);
  event Staked(address indexed user, uint256 amount);
  event Withdrawn(address indexed user, uint256 amount);
  event RewardPaid(address indexed user, uint256 reward);

  constructor(
    address _lp,
    address _rewardToken,
    uint256 _startTime
  ) public {
    __Ownable_init();
    uni_lp = IERC20(_lp);
    rewardToken = IERC20(_rewardToken);
    startTime = _startTime;
  }

  modifier updateReward(address _account) {
    rewardPerTokenStored = rewardPerToken();
    lastUpdateTime = block.timestamp;
    if (_account != address(0)) {
      rewards[_account] = earned(_account);
      userRewardPerTokenPaid[_account] = rewardPerTokenStored;
    }
    _;
  }

  modifier updateRewardDistributed() {
    rewardDistributedStored = rewardDistributed();
    lastRateUpdateTime = block.timestamp;
    _;
  }

  function rewardPerToken() public view returns (uint256) {
    uint256 _lastTimeApplicable = Math.max(startTime, lastUpdateTime);

    if (totalSupply() == 0 || block.timestamp < _lastTimeApplicable) {
      return rewardPerTokenStored;
    }

    return
      rewardPerTokenStored.add(
        block.timestamp.sub(_lastTimeApplicable).mul(rewardRate).mul(1e18).div(
          totalSupply()
        )
      );
  }

  function rewardDistributed() public view returns (uint256) {
    // Have not started yet
    if (block.timestamp < startTime) {
      return rewardDistributedStored;
    }

    return
      rewardDistributedStored.add(
        block.timestamp.sub(Math.max(startTime, lastRateUpdateTime)).mul(
          rewardRate
        )
      );
  }

  function earned(address _account) public view returns (uint256) {
    return
      balanceOf(_account)
        .mul(rewardPerToken().sub(userRewardPerTokenPaid[_account]))
        .div(1e18)
        .add(rewards[_account]);
  }

  // stake visibility is public as overriding LPTokenWrapper's stake() function
  function stake(uint256 _amount) public override updateReward(msg.sender) {
    require(_amount > 0, "Cannot stake 0");
    super.stake(_amount);
    emit Staked(msg.sender, _amount);
  }

  function withdraw(uint256 _amount) public override updateReward(msg.sender) {
    require(_amount > 0, "Cannot withdraw 0");
    super.withdraw(_amount);
    emit Withdrawn(msg.sender, _amount);
  }

  function exit() external {
    withdraw(balanceOf(msg.sender));
    getReward();
  }

  function getReward() public updateReward(msg.sender) {
    uint256 _reward = rewards[msg.sender];
    if (_reward > 0) {
      rewards[msg.sender] = 0;
      rewardToken.safeTransferFrom(owner, msg.sender, _reward);
      emit RewardPaid(msg.sender, _reward);
    }
  }

  function setRewardRate(uint256 _rewardRate)
    external
    onlyOwner
    updateRewardDistributed
    updateReward(address(0))
  {
    uint256 _oldRewardRate = rewardRate;
    rewardRate = _rewardRate;

    emit RewardRateUpdated(_oldRewardRate, _rewardRate);
  }

  // This function allows governance to take unsupported tokens out of the
  // contract, since this one exists longer than the other pools.
  // This is in an effort to make someone whole, should they seriously
  // mess up. There is no guarantee governance will vote to return these.
  // It also allows for removal of airdropped tokens.
  function rescueTokens(
    IERC20 _token,
    uint256 _amount,
    address _to
  ) external onlyOwner {
    // cant take staked asset
    require(_token != uni_lp, "uni_lp");

    // transfer _to
    _token.safeTransfer(_to, _amount);
  }
}

File 2 of 9 : Math.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
    }
}

File 3 of 9 : 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 4 of 9 : 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 5 of 9 : EnumerableSet.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

File 6 of 9 : Ownable.sol
//SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {_setPendingOwner} and {_acceptOwner}.
 */
contract Ownable {
    /**
     * @dev Returns the address of the current owner.
     */
    address payable public owner;

    /**
     * @dev Returns the address of the current pending owner.
     */
    address payable public pendingOwner;

    event NewOwner(address indexed previousOwner, address indexed newOwner);
    event NewPendingOwner(
        address indexed oldPendingOwner,
        address indexed newPendingOwner
    );

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner == msg.sender, "onlyOwner: caller is not the owner");
        _;
    }

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal {
        owner = msg.sender;
        emit NewOwner(address(0), msg.sender);
    }

    /**
     * @notice Base on the inputing parameter `newPendingOwner` to check the exact error reason.
     * @dev Transfer contract control to a new owner. The newPendingOwner must call `_acceptOwner` to finish the transfer.
     * @param newPendingOwner New pending owner.
     */
    function _setPendingOwner(address payable newPendingOwner)
        external
        onlyOwner
    {
        require(
            newPendingOwner != address(0) && newPendingOwner != pendingOwner,
            "_setPendingOwner: New owenr can not be zero address and owner has been set!"
        );

        // Gets current owner.
        address oldPendingOwner = pendingOwner;

        // Sets new pending owner.
        pendingOwner = newPendingOwner;

        emit NewPendingOwner(oldPendingOwner, newPendingOwner);
    }

    /**
     * @dev Accepts the admin rights, but only for pendingOwenr.
     */
    function _acceptOwner() external {
        require(
            msg.sender == pendingOwner,
            "_acceptOwner: Only for pending owner!"
        );

        // Gets current values for events.
        address oldOwner = owner;
        address oldPendingOwner = pendingOwner;

        // Set the new contract owner.
        owner = pendingOwner;

        // Clear the pendingOwner.
        pendingOwner = address(0);

        emit NewOwner(oldOwner, owner);
        emit NewPendingOwner(oldPendingOwner, pendingOwner);
    }

    uint256[50] private __gap;
}

File 7 of 9 : LPTokenWrapper.sol
//SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

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

contract LPTokenWrapper {
  using SafeMath for uint256;
  using SafeERC20 for IERC20;

  IERC20 public uni_lp;

  uint256 private _totalSupply;

  mapping(address => uint256) private _balances;

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

  function balanceOf(address account) public view returns (uint256) {
    return _balances[account];
  }

  function stake(uint256 amount) public virtual {
    _totalSupply = _totalSupply.add(amount);
    _balances[msg.sender] = _balances[msg.sender].add(amount);
    uni_lp.safeTransferFrom(msg.sender, address(this), amount);
  }

  function withdraw(uint256 amount) public virtual {
    _totalSupply = _totalSupply.sub(amount);
    _balances[msg.sender] = _balances[msg.sender].sub(amount);
    uni_lp.safeTransfer(msg.sender, amount);
  }
}

File 8 of 9 : 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 9 of 9 : 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",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_lp","type":"address"},{"internalType":"address","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_startTime","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"NewOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldPendingOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newPendingOwner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"oldRewardRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newRewardRate","type":"uint256"}],"name":"RewardRateUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"_acceptOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newPendingOwner","type":"address"}],"name":"_setPendingOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"exit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lastRateUpdateTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastUpdateTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address payable","name":"","type":"address"}],"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":"rescueTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardDistributed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardDistributedStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerTokenStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rewardRate","type":"uint256"}],"name":"setRewardRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uni_lp","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"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
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