Contract 0x733A33312FBFFe22C86bf1204264f3Fa06c7aB65

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x2ca2fe3a22d768756db03dba56e8d30faa41888545e05b597062703e6cac1444Harvest All Rewa...384390722022-05-17 11:42:042 days 4 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.03690782503
0x13e65f737e0ebf03d8acfbb2405a2559980ce593b47ed90ffd26105632b2a768Withdraw And Har...384390542022-05-17 11:41:462 days 4 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.03716037113
0xc51d5eb316565bea54a1d63f635a9966602796b76b6785b223ebd9632d184992Harvest384390342022-05-17 11:41:282 days 4 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.036680566141
0x716cf44c531ccf14368a0edd7c650683dad5b6bab3a6af7e77f3cccf209a965fHarvest All Rewa...382316442022-05-14 15:25:285 days 21 mins ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.086161473309
0x48ca4ecf7796ea4bed608a0479ba2e2d5de5a283421b8ce119c79b39c27c07faHarvest All Rewa...382316052022-05-14 15:24:505 days 22 mins ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.086673317385
0x0c0005f60591980afa7a82bdabbf36bf4c14395161577b01ba545c23b7dad453Harvest382315692022-05-14 15:24:125 days 22 mins ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.085300428397
0x7b8ff0001ecde3380eeb1cf4c07a193ef6a50bcd60ce8f9f2e9740d105ec849fHarvest382257722022-05-14 13:29:225 days 2 hrs ago0x7d7963bc806800327494471386af6dbc185662f5 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.088343362585
0x059896f98804343b40186782b5e4803b3db717725ccf3371733ef5c4a7233260Withdraw And Har...381495872022-05-13 11:34:196 days 4 hrs ago0x152b8c153e4f18bfe1cb3f2eaa563813c758e279 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.116023366113
0x1f4887e6df6d884e7c194cdcde7eeb7b8bc1078ea720aa2860fe457db428b7e0Withdraw And Har...381490172022-05-13 11:23:306 days 4 hrs ago0x152b8c153e4f18bfe1cb3f2eaa563813c758e279 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.159891252751
0xba72f2fca0c565b8b55c424d73a2c7363efec1c8c027917bfac70c97e586e9c8Withdraw And Har...381489482022-05-13 11:22:156 days 4 hrs ago0x152b8c153e4f18bfe1cb3f2eaa563813c758e279 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.165768024891
0x13a392ad98f2b5ddc9e2cb50ceb1dad07425020e405f3ffb7a522f057ceb837aHarvest All Rewa...381488752022-05-13 11:20:556 days 4 hrs ago0x152b8c153e4f18bfe1cb3f2eaa563813c758e279 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.16662285228
0x057e14e4c42680779ddf1240dcf24c63e9b0381ed584b3441c348ca0cbba665bHarvest377449952022-05-07 8:16:1312 days 7 hrs ago0x637cba9be343cf868625b6fdd8472a32519d15f0 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.06811052872
0xb4db89c1ee47599a8fcedee1b57cf38d5e3a8cffc88d09bf4b6f63c84ed2aabbHarvest374817312022-05-03 20:32:0115 days 19 hrs ago0x7d7963bc806800327494471386af6dbc185662f5 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.031272274428
0x71f4f0a4667657d9f61c774acbe95c74fc3af5410cc62a08f886cb4a8d20d2dbHarvest373010042022-05-01 0:23:0718 days 15 hrs ago0x13b235b3fa46f3c205e745c45b5f0e1f02bb86dc IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.103996656324
0x147f51ea7712b458c6fbf9a047694b90e9e86546c3a506c4d15604217d99e120Harvest372721932022-04-30 10:46:2519 days 5 hrs ago0x637cba9be343cf868625b6fdd8472a32519d15f0 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.095766490188
0x4c8c041bfa4f9eaf89a39e99baa9b04271365c16ad66ce4900ba6461c7bd21f7Deposit371726812022-04-28 22:11:5720 days 17 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.03341107341
0x19ebf7d9e83d6d51bd06b99f59125faf420790cec081cbeebe8c318e6a87bb3fHarvest371726542022-04-28 22:11:2220 days 17 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.037482521701
0xd1f226815e5846487b7192b1a5902232c720d0f4be8bf65caf6439ef809dbda5Harvest All Rewa...371726302022-04-28 22:10:4720 days 17 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.036988555761
0x7725d9a7ee7f7f1cb69ea2d63cb07f23b322abe917394d38d7b569922589e5d0Harvest All Rewa...371130482022-04-28 1:51:1521 days 13 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.034452033844
0x3d8a6e7d6c44ece4d04eeedb484ab1693ac2cbd872e49aa1f27e20bd1a92d992Harvest371129132022-04-28 1:47:5221 days 13 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.032014206814
0x050ef9d336fc70b14925b5ba198fb1e2908d89cd269c1245290108e4c65366c8Harvest371128412022-04-28 1:45:1821 days 14 hrs ago0x820e1622f2f4c3a71bd4c8693aa10d2aff1a65fb IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.028637452489
0x217ea7e6b131c53dc98e43281d3c406888d04625ba50c81b8bbd65a42df7cd42Withdraw And Har...367488812022-04-23 3:20:0126 days 12 hrs ago0x08ca6f13e7397b4349a49d9195a2fdf793baee93 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.029209232622
0xbe7357557ba9941b561c78be4d988d6513a0c6dc667eef2ee0f54d08bac568d2Harvest All Rewa...367488722022-04-23 3:19:5126 days 12 hrs ago0x08ca6f13e7397b4349a49d9195a2fdf793baee93 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.028468532308
0x4a04e7775503a0b95ec30d64adfd44b66bb7e99e4245b0b8ea43b2558be4808dHarvest366114082022-04-21 10:07:2428 days 5 hrs ago0x637cba9be343cf868625b6fdd8472a32519d15f0 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.023014085823
0x5610b6879057c9657b307586098e6f6395b2352cb12a0d62e8b3e8874070fb0eHarvest365585742022-04-20 19:30:1328 days 20 hrs ago0x7d7963bc806800327494471386af6dbc185662f5 IN  0x733a33312fbffe22c86bf1204264f3fa06c7ab650 FTM0.027795944453
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0xf8b828aa0be43f3a48ed51199f5426b0fb999371687bcb9c9510a581ef793cdc173424822021-09-20 3:25:29241 days 12 hrs ago 0x5aebde597752d689132dc64d093ff4b09067e9e6  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
IronChef

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 8 : IronChef.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.4;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./interfaces/IRewarder.sol";
import "./interfaces/IFundDistributor.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

contract IronChef is Ownable {
    using SafeERC20 for IERC20;

    struct UserInfo {
        uint256 amount;
        int256 rewardDebt;
    }

    struct PoolInfo {
        uint256 accRewardPerShare;
        uint256 lastRewardTime;
        uint256 allocPoint;
    }

    IERC20 public reward;

    /// @notice Info of each MCV2 pool.
    PoolInfo[] public poolInfo;
    /// @notice Address of the LP token for each MCV2 pool.
    IERC20[] public lpToken;
    /// @notice Address of each `IRewarder` contract in MCV2.
    IRewarder[] public rewarder;

    /// @notice Info of each user that stakes LP tokens.
    mapping (uint256 => mapping (address => UserInfo)) public userInfo;
    /// @dev Total allocation points. Must be the sum of all allocation points in all pools.
    uint256 public totalAllocPoint = 0;

    uint256 public rewardPerSecond;
    uint256 private constant ACC_REWARD_PRECISION = 1e12;

    constructor(IERC20 _reward) {
        reward = _reward;
    }

    /* ========== PUBLIC FUNCTIONS ========== */


    /// @notice Returns the number of MCV2 pools.
    function poolLength() public view returns (uint256 pools) {
        pools = poolInfo.length;
    }

    /// @notice View function to see pending reward on frontend.
    /// @param _pid The index of the pool. See `poolInfo`.
    /// @param _user Address of user.
    /// @return pending reward for a given user.
    function pendingReward(uint256 _pid, address _user) external view returns (uint256 pending) {
        PoolInfo memory pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accRewardPerShare = pool.accRewardPerShare;
        uint256 lpSupply = lpToken[_pid].balanceOf(address(this));
        if (block.timestamp > pool.lastRewardTime && lpSupply != 0) {
            uint256 time = block.timestamp - pool.lastRewardTime;
            uint256 rewardAmount = time * rewardPerSecond * pool.allocPoint / totalAllocPoint;
            accRewardPerShare += (rewardAmount * ACC_REWARD_PRECISION) / lpSupply;
        }
        pending = uint256(int256(user.amount * accRewardPerShare / ACC_REWARD_PRECISION) - user.rewardDebt);
    }

    /// @notice Update reward variables of the given pool.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @return pool Returns the pool that was updated.
    function updatePool(uint256 pid) public returns (PoolInfo memory pool) {
        pool = poolInfo[pid];
        if (block.timestamp > pool.lastRewardTime) {
            uint256 lpSupply = lpToken[pid].balanceOf(address(this));
            if (lpSupply > 0) {
                uint256 time = block.timestamp - pool.lastRewardTime;
                uint256 rewardAmount = time * rewardPerSecond * pool.allocPoint / totalAllocPoint;
                pool.accRewardPerShare += rewardAmount * ACC_REWARD_PRECISION / lpSupply;
            }
            pool.lastRewardTime = block.timestamp;
            poolInfo[pid] = pool;
            emit LogUpdatePool(pid, pool.lastRewardTime, lpSupply, pool.accRewardPerShare);
        }
    }

    /// @notice Update reward variables for all pools. Be careful of gas spending!
    /// @param pids Pool IDs of all to be updated. Make sure to update all active pools.
    function massUpdatePools(uint256[] calldata pids) external {
        uint256 len = pids.length;
        for (uint256 i = 0; i < len; ++i) {
            updatePool(pids[i]);
        }
    }

    /// @notice Deposit LP tokens to MCV2 for reward allocation.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @param amount LP token amount to deposit.
    /// @param to The receiver of `amount` deposit benefit.
    function deposit(uint256 pid, uint256 amount, address to) public {
        PoolInfo memory pool = updatePool(pid);
        UserInfo storage user = userInfo[pid][to];

        // Effects
        user.amount += amount;
        user.rewardDebt += int256(amount * pool.accRewardPerShare / ACC_REWARD_PRECISION);

        // Interactions
        IRewarder _rewarder = rewarder[pid];
        if (address(_rewarder) != address(0)) {
            _rewarder.onReward(pid, to, to, 0, user.amount);
        }

        lpToken[pid].safeTransferFrom(msg.sender, address(this), amount);

        emit Deposit(msg.sender, pid, amount, to);
    }

    /// @notice Withdraw LP tokens from MCV2.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @param amount LP token amount to withdraw.
    /// @param to Receiver of the LP tokens.
    function withdraw(uint256 pid, uint256 amount, address to) public {
        PoolInfo memory pool = updatePool(pid);
        UserInfo storage user = userInfo[pid][msg.sender];

        // Effects
        user.rewardDebt -= int256(amount * pool.accRewardPerShare / ACC_REWARD_PRECISION);
        user.amount -= amount;
        // Interactions
        IRewarder _rewarder = rewarder[pid];
        if (address(_rewarder) != address(0)) {
            _rewarder.onReward(pid, msg.sender, to, 0, user.amount);
        }

        lpToken[pid].safeTransfer(to, amount);

        emit Withdraw(msg.sender, pid, amount, to);
    }

    /// @notice Harvest proceeds for transaction sender to `to`.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @param to Receiver of rewards.
    function harvest(uint256 pid, address to) public {
        PoolInfo memory pool = updatePool(pid);
        UserInfo storage user = userInfo[pid][msg.sender];
        int256 accumulatedReward = int256(user.amount * pool.accRewardPerShare / ACC_REWARD_PRECISION);
        uint256 _pendingReward = uint256(accumulatedReward - user.rewardDebt);

        // Effects
        user.rewardDebt = accumulatedReward;

        // Interactions
        if (_pendingReward > 0) {
            reward.safeTransfer(to, _pendingReward);
        }

        IRewarder _rewarder = rewarder[pid];
        if (address(_rewarder) != address(0)) {
            _rewarder.onReward( pid, msg.sender, to, _pendingReward, user.amount);
        }

        emit Harvest(msg.sender, pid, _pendingReward);
    }

    /// @notice Withdraw LP tokens from MCV2 and harvest proceeds for transaction sender to `to`.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @param amount LP token amount to withdraw.
    /// @param to Receiver of the LP tokens and rewards.
    function withdrawAndHarvest(uint256 pid, uint256 amount, address to) public {
        PoolInfo memory pool = updatePool(pid);
        UserInfo storage user = userInfo[pid][msg.sender];
        int256 accumulatedReward = int256(user.amount * pool.accRewardPerShare / ACC_REWARD_PRECISION);
        uint256 _pendingReward = uint256(accumulatedReward - user.rewardDebt);

        // Effects
        user.rewardDebt = accumulatedReward - int256(amount * pool.accRewardPerShare / ACC_REWARD_PRECISION);
        user.amount -= amount;

        // Interactions
        if (_pendingReward > 0) {
            reward.safeTransfer(to, _pendingReward);
        }

        IRewarder _rewarder = rewarder[pid];
        if (address(_rewarder) != address(0)) {
            _rewarder.onReward(pid, msg.sender, to, _pendingReward, user.amount);
        }

        lpToken[pid].safeTransfer(to, amount);

        emit Withdraw(msg.sender, pid, amount, to);
        emit Harvest(msg.sender, pid, _pendingReward);
    }

    /// @notice Withdraw without caring about rewards. EMERGENCY ONLY.
    /// @param pid The index of the pool. See `poolInfo`.
    /// @param to Receiver of the LP tokens.
    function emergencyWithdraw(uint256 pid, address to) public {
        UserInfo storage user = userInfo[pid][msg.sender];
        uint256 amount = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;

        IRewarder _rewarder = rewarder[pid];
        if (address(_rewarder) != address(0)) {
            _rewarder.onReward(pid, msg.sender, to, 0, 0);
        }

        // Note: transfer can fail or succeed if `amount` is zero.
        lpToken[pid].safeTransfer(to, amount);
        emit EmergencyWithdraw(msg.sender, pid, amount, to);
    }

    function harvestAllRewards(address to) external {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            if (userInfo[pid][msg.sender].amount > 0) {
                harvest(pid, to);
            }
        }
    }

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

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

    /* ========== RESTRICTED FUNCTIONS ========== */

    /// @notice Add a new LP to the pool. Can only be called by the owner.
    /// DO NOT add the same LP token more than once. Rewards will be messed up if you do.
    /// @param allocPoint AP of the new pool.
    /// @param _lpToken Address of the LP ERC-20 token.
    /// @param _rewarder Address of the rewarder delegate.
    function add(uint256 allocPoint, IERC20 _lpToken, IRewarder _rewarder) public onlyOwner {
        checkPoolDuplicate(_lpToken);

        totalAllocPoint += allocPoint;
        lpToken.push(_lpToken);
        rewarder.push(_rewarder);

        poolInfo.push(PoolInfo({
            allocPoint: allocPoint,
            lastRewardTime: block.timestamp,
            accRewardPerShare: 0
            }));
        emit LogPoolAddition(lpToken.length - 1, allocPoint, _lpToken, _rewarder);
    }

    /// @notice Update the given pool's reward allocation point and `IRewarder` contract. Can only be called by the owner.
    /// @param _pid The index of the pool. See `poolInfo`.
    /// @param _allocPoint New AP of the pool.
    /// @param _rewarder Address of the rewarder delegate.
    /// @param overwrite True if _rewarder should be `set`. Otherwise `_rewarder` is ignored.
    function set(uint256 _pid, uint256 _allocPoint, IRewarder _rewarder, bool overwrite) public onlyOwner {
        totalAllocPoint = totalAllocPoint - poolInfo[_pid].allocPoint + _allocPoint;
        poolInfo[_pid].allocPoint = _allocPoint;
        if (overwrite) { rewarder[_pid] = _rewarder; }
        emit LogSetPool(_pid, _allocPoint, overwrite ? _rewarder : rewarder[_pid], overwrite);
    }

    /// @notice Sets the reward per second to be distributed. Can only be called by the owner.
    /// @param _rewardPerSecond The amount of reward to be distributed per second.
    function setRewardPerSecond(uint256 _rewardPerSecond) public onlyOwner {
        rewardPerSecond = _rewardPerSecond;
        emit LogRewardPerSecond(_rewardPerSecond);
    }

    /* =============== EVENTS ==================== */

    event Deposit(address indexed user, uint256 indexed pid, uint256 amount, address indexed to);
    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount, address indexed to);
    event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount, address indexed to);
    event Harvest(address indexed user, uint256 indexed pid, uint256 amount);
    event LogPoolAddition(uint256 indexed pid, uint256 allocPoint, IERC20 indexed lpToken, IRewarder indexed rewarder);
    event LogSetPool(uint256 indexed pid, uint256 allocPoint, IRewarder indexed rewarder, bool overwrite);
    event LogUpdatePool(uint256 indexed pid, uint256 lastRewardTime, uint256 lpSupply, uint256 accRewardPerShare);
    event LogRewardPerSecond(uint256 rewardPerSecond);
    event PoolFundChanged(address indexed fund);
}

File 2 of 8 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 3 of 8 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 4 of 8 : IRewarder.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.4;

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

interface IRewarder {

    function onReward(uint256 pid, address user, address recipient, uint256 rewardAmount, uint256 newLpAmount) external;
    function pendingTokens(uint256 pid, address user, uint256 rewardAmount) external view returns (IERC20[] memory, uint256[] memory);
}

File 5 of 8 : IFundDistributor.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.4;

interface IFundDistributor {
    function distributeTo(
        address _receiver,
        uint256 _amount
    ) external;
}

File 6 of 8 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.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 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) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

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

File 7 of 8 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 8 of 8 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // 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"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IERC20","name":"_reward","type":"address"}],"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"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"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"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"EmergencyWithdraw","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":"Harvest","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":true,"internalType":"contract IERC20","name":"lpToken","type":"address"},{"indexed":true,"internalType":"contract IRewarder","name":"rewarder","type":"address"}],"name":"LogPoolAddition","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"rewardPerSecond","type":"uint256"}],"name":"LogRewardPerSecond","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":true,"internalType":"contract IRewarder","name":"rewarder","type":"address"},{"indexed":false,"internalType":"bool","name":"overwrite","type":"bool"}],"name":"LogSetPool","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastRewardTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lpSupply","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"accRewardPerShare","type":"uint256"}],"name":"LogUpdatePool","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"fund","type":"address"}],"name":"PoolFundChanged","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"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"contract IERC20","name":"_lpToken","type":"address"},{"internalType":"contract IRewarder","name":"_rewarder","type":"address"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"harvest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"harvestAllRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"lpToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"pids","type":"uint256[]"}],"name":"massUpdatePools","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"pending","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"lastRewardTime","type":"uint256"},{"internalType":"uint256","name":"allocPoint","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"pools","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reward","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"rewarder","outputs":[{"internalType":"contract IRewarder","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"contract IRewarder","name":"_rewarder","type":"address"},{"internalType":"bool","name":"overwrite","type":"bool"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rewardPerSecond","type":"uint256"}],"name":"setRewardPerSecond","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"}],"name":"updatePool","outputs":[{"components":[{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"lastRewardTime","type":"uint256"},{"internalType":"uint256","name":"allocPoint","type":"uint256"}],"internalType":"struct IronChef.PoolInfo","name":"pool","type":"tuple"}],"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":"int256","name":"rewardDebt","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawAndHarvest","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000260b3e40c714ce8196465ec824cd8bb915081812

-----Decoded View---------------
Arg [0] : _reward (address): 0x260b3e40c714ce8196465ec824cd8bb915081812

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000260b3e40c714ce8196465ec824cd8bb915081812


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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