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0x3984235DC18f07d9AEAaEcD9D62eC95402291524
 

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Block
From
To
Draw Dividend145257622022-04-05 12:01:461051 days ago1649160106IN
0x3984235D...402291524
0 ETH0.0027389169.1382519
Claim145238172022-04-05 4:36:541051 days ago1649133414IN
0x3984235D...402291524
0.11 ETH0.0273192368.44129978
Claim145225142022-04-04 23:43:251051 days ago1649115805IN
0x3984235D...402291524
0.5 ETH0.0272424468.24892979
Claim145208352022-04-04 17:22:091052 days ago1649092929IN
0x3984235D...402291524
1 ETH0.0211193552.91015439
Claim145208202022-04-04 17:19:461052 days ago1649092786IN
0x3984235D...402291524
1 ETH0.0241431460.48564579
Claim145208092022-04-04 17:17:521052 days ago1649092672IN
0x3984235D...402291524
1 ETH0.0280125170.17955233
Claim145207832022-04-04 17:11:281052 days ago1649092288IN
0x3984235D...402291524
1 ETH0.0233248158.4354847
Claim145206802022-04-04 16:50:091052 days ago1649091009IN
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1 ETH0.0305708976.58903842
Claim145206152022-04-04 16:36:401052 days ago1649090200IN
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1 ETH0.0332305983.25235723
Claim145206002022-04-04 16:33:241052 days ago1649090004IN
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1 ETH0.0335528884.0597788
Claim145205842022-04-04 16:30:361052 days ago1649089836IN
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1 ETH0.04385236109.8630072
Claim145205752022-04-04 16:28:301052 days ago1649089710IN
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1 ETH0.04341545108.76841203
Claim145205632022-04-04 16:26:051052 days ago1649089565IN
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1 ETH0.0512946128.50798399
Claim145205552022-04-04 16:22:491052 days ago1649089369IN
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1 ETH0.0335350984.01522921
Claim145205282022-04-04 16:16:241052 days ago1649088984IN
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1 ETH0.0384230496.26096922
Claim145205182022-04-04 16:13:311052 days ago1649088811IN
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1 ETH0.0386932596.93792778
Claim145205102022-04-04 16:11:381052 days ago1649088698IN
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1 ETH0.0351026787.94245454
Claim145204932022-04-04 16:08:201052 days ago1649088500IN
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1 ETH0.0340390785.27783694
Claim145204712022-04-04 16:04:041052 days ago1649088244IN
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1 ETH0.0317509779.54546731
Claim145203002022-04-04 15:27:401052 days ago1649086060IN
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1 ETH0.04638067116.19715626
Claim145202482022-04-04 15:14:541052 days ago1649085294IN
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1 ETH0.04751379114.1458741
Claim145200002022-04-04 14:18:151052 days ago1649081895IN
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1 ETH0.0234137168.23271242
Claim145199292022-04-04 14:01:341052 days ago1649080894IN
0x3984235D...402291524
1 ETH0.0295817574.11094334
Claim145198952022-04-04 13:53:321052 days ago1649080412IN
0x3984235D...402291524
0.28 ETH0.0335296984
Claim145198892022-04-04 13:52:381052 days ago1649080358IN
0x3984235D...402291524
0.92 ETH0.031854876.5256729
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145257622022-04-05 12:01:461051 days ago1649160106
0x3984235D...402291524
36.79 ETH
144734062022-03-28 7:39:021059 days ago1648453142
0x3984235D...402291524
100.003803 ETH
144277482022-03-21 5:09:111066 days ago1647839351
0x3984235D...402291524
0.37999699 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
BendCompetitionMainnet

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 13 : BendCompetitionMainnet.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;

import {BendCompetition} from "./BendCompetition.sol";

contract BendCompetitionMainnet is BendCompetition {
    function getConfig() public pure override returns (Config memory config) {
        config.TREASURY_ADDRESS = address(
            0x472FcC65Fab565f75B1e0E861864A86FE5bcEd7B
        );
        config.BEND_TOKEN_ADDRESS = address(
            0x0d02755a5700414B26FF040e1dE35D337DF56218
        );
        config.TEAM_WALLET_ADDRESS = address(
            0x4D62360CEcF722A7888b1f97D4c7e8b170071248
        );
        config.AUTO_DRAW_DIVIDEND_THRESHOLD = 100 * 10**18;
        config.BEND_TOKEN_REWARD_PER_ETH = 333333 * 10**18;
        config.MAX_ETH_PAYMENT_PER_ADDR = 1 * 10**18;
        config.VEBEND_ADDRESS = address(
            0xd7e97172C2419566839Bf80DeeA46D22B1B2E06E
        );
        config.VEBEND_LOCK_MIN_WEEK = 2;

        return config;
    }
}

File 2 of 13 : BendCompetition.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;

import {ICryptoPunks} from "../interfaces/ICryptoPunks.sol";
import {IWETHGateway} from "../interfaces/IWETHGateway.sol";
import {IVeBend} from "../interfaces/IVeBend.sol";

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC721Enumerable} from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import {Pausable} from "@openzeppelin/contracts/security/Pausable.sol";

abstract contract BendCompetition is Ownable, ReentrancyGuard, Pausable {
    enum Stage {
        Prepare,
        Sale,
        Finish
    }

    struct Config {
        address TREASURY_ADDRESS;
        address BEND_TOKEN_ADDRESS;
        address TEAM_WALLET_ADDRESS;
        address VEBEND_ADDRESS;
        uint256 VEBEND_LOCK_MIN_WEEK;
        uint256 AUTO_DRAW_DIVIDEND_THRESHOLD;
        uint256 BEND_TOKEN_REWARD_PER_ETH;
        uint256 MAX_ETH_PAYMENT_PER_ADDR;
    }

    struct UIData {
        // for all
        uint256 remainDivident;
        uint256 bendClaimedTotal;
        uint256 bendPrice;
        uint256 bendTokenRewardPerETH;
        uint256 remainBendBalance;
        uint256 veBendLockMinWeek;
        uint256 veBendCurrentLockStartTimestamp;
        Stage stage;
        // for current address
        uint256 bendBalance;
        uint256 veBendBalance;
        int256 veBendLockedBalanceAmount;
        uint256 veBendLockedBalanceEnd;
        uint256 maxETHPayment;
        uint256 maxBendReward;
    }

    uint256 public immutable CONTRACT_CREATE_TIMESTAMP;
    mapping(address => uint256) public ethPaymentRecord;
    uint256 public ethPaymentTotal;
    uint256 public bendClaimedTotal;
    uint256 public remainDivident;

    event Claimed(
        address indexed owner,
        uint256 ethPayment,
        uint256 bendReward
    );

    event DrawDividend(
        address indexed operator,
        address indexed beneficiary,
        uint256 amount
    );

    constructor() {
        CONTRACT_CREATE_TIMESTAMP = block.timestamp;
    }

    function getConfig() public view virtual returns (Config memory config) {}

    function claim(uint256 lockWeek)
        external
        payable
        whenNotPaused
        nonReentrant
    {
        Config memory CONFIG = getConfig();
        require(stage() == Stage.Sale, "not in sale");
        require(lockWeek >= CONFIG.VEBEND_LOCK_MIN_WEEK, "lock week too short");

        (uint256 ethPayment, uint256 bendReward) = _getClaimData(msg.value);
        require(bendReward > 0, "not enough bend reward");

        ethPaymentRecord[msg.sender] += ethPayment;
        ethPaymentTotal += ethPayment;
        remainDivident += ethPayment;
        bendClaimedTotal += bendReward;

        IERC20(CONFIG.BEND_TOKEN_ADDRESS).approve(
            CONFIG.VEBEND_ADDRESS,
            bendReward
        );

        IVeBend.LockedBalance memory locked = IVeBend(CONFIG.VEBEND_ADDRESS)
            .getLocked(msg.sender);
        if (locked.amount > 0) {
            IVeBend(CONFIG.VEBEND_ADDRESS).increaseAmountFor(
                msg.sender,
                bendReward
            );
        } else {
            IVeBend(CONFIG.VEBEND_ADDRESS).createLockFor(
                msg.sender,
                bendReward,
                ((block.timestamp / 604800) + lockWeek) * 604800
            );
        }

        uint256 ethRemain = msg.value - ethPayment;
        if (ethRemain > 0) {
            _safeTransferETH(msg.sender, ethRemain);
        }

        if (remainDivident >= CONFIG.AUTO_DRAW_DIVIDEND_THRESHOLD) {
            drawDividend();
        }

        emit Claimed(msg.sender, ethPayment, bendReward);
    }

    function drawDividend() public {
        Config memory CONFIG = getConfig();
        if (CONFIG.TEAM_WALLET_ADDRESS == address(0)) {
            return;
        }

        uint256 amount = remainDivident;
        remainDivident = 0;

        _safeTransferETH(CONFIG.TEAM_WALLET_ADDRESS, amount);

        emit DrawDividend(msg.sender, CONFIG.TEAM_WALLET_ADDRESS, amount);
    }

    function pause() external onlyOwner {
        _pause();
    }

    function unpause() external onlyOwner {
        _unpause();
    }

    function emergencyTokenTransfer(address token, uint256 amount)
        external
        onlyOwner
    {
        Config memory CONFIG = getConfig();
        IERC20(token).transfer(CONFIG.TREASURY_ADDRESS, amount);
    }

    function emergencyEtherTransfer(uint256 amount) external onlyOwner {
        Config memory CONFIG = getConfig();
        _safeTransferETH(CONFIG.TREASURY_ADDRESS, amount);
    }

    function uiData() external view returns (UIData memory data) {
        Config memory CONFIG = getConfig();

        data.remainDivident = remainDivident;
        data.bendClaimedTotal = bendClaimedTotal;
        data.bendPrice = ((1 * 10**18 * 10**18) /
            CONFIG.BEND_TOKEN_REWARD_PER_ETH);
        data.bendTokenRewardPerETH = CONFIG.BEND_TOKEN_REWARD_PER_ETH;
        data.remainBendBalance = IERC20(CONFIG.BEND_TOKEN_ADDRESS).balanceOf(
            address(this)
        );
        data.veBendLockMinWeek = CONFIG.VEBEND_LOCK_MIN_WEEK;
        data.veBendCurrentLockStartTimestamp = ((block.timestamp / 604800) *
            604800);

        data.stage = stage();

        if (msg.sender == address(0)) {
            return data;
        }

        data.bendBalance = IERC20(CONFIG.BEND_TOKEN_ADDRESS).balanceOf(
            msg.sender
        );
        data.veBendBalance = IERC20(CONFIG.VEBEND_ADDRESS).balanceOf(
            msg.sender
        );

        IVeBend.LockedBalance memory locked = IVeBend(CONFIG.VEBEND_ADDRESS)
            .getLocked(msg.sender);
        data.veBendLockedBalanceAmount = locked.amount;
        data.veBendLockedBalanceEnd = locked.end;
        (data.maxETHPayment, data.maxBendReward) = _getClaimData(
            type(uint256).max
        );

        return data;
    }

    function stage() public view returns (Stage) {
        if (block.timestamp < CONTRACT_CREATE_TIMESTAMP) {
            return Stage.Prepare;
        }
        if (block.timestamp >= CONTRACT_CREATE_TIMESTAMP + 90 days) {
            return Stage.Finish;
        }

        return Stage.Sale;
    }

    function _getClaimData(uint256 ethBalance)
        internal
        view
        returns (uint256 ethPayment, uint256 bendReward)
    {
        if (msg.sender == address(0)) {
            return (0, 0);
        }

        Config memory CONFIG = getConfig();
        uint256 bendBalance = IERC20(CONFIG.BEND_TOKEN_ADDRESS).balanceOf(
            address(this)
        );
        if (bendBalance <= 0) {
            return (ethPayment, bendReward);
        }

        ethPayment =
            CONFIG.MAX_ETH_PAYMENT_PER_ADDR -
            ethPaymentRecord[msg.sender];

        if (ethPayment > ethBalance) {
            ethPayment = ethBalance;
        }

        bendReward = (ethPayment * CONFIG.BEND_TOKEN_REWARD_PER_ETH) / 10**18;

        if (bendReward > bendBalance) {
            bendReward = bendBalance;
            ethPayment =
                (bendReward * 10**18) /
                CONFIG.BEND_TOKEN_REWARD_PER_ETH;
        }

        return (ethPayment, bendReward);
    }

    function _safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, "ETH_TRANSFER_FAILED");
    }
}

File 3 of 13 : ICryptoPunks.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;

interface ICryptoPunks {
    function punkIndexToAddress(uint256 punkIndex)
        external
        view
        returns (address owner);
}

File 4 of 13 : IWETHGateway.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;

interface IWETHGateway {
    function depositETH(address onBehalfOf, uint16 referralCode)
        external
        payable;
}

File 5 of 13 : IVeBend.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;

interface IVeBend {
    struct Point {
        int256 bias;
        int256 slope;
        uint256 ts;
        uint256 blk;
    }

    struct LockedBalance {
        int256 amount;
        uint256 end;
    }

    function createLockFor(
        address _beneficiary,
        uint256 _value,
        uint256 _unlockTime
    ) external;

    function increaseAmountFor(address _beneficiary, uint256 _value) external;

    function getLocked(address _addr)
        external
        view
        returns (LockedBalance memory);

    function balanceOf(address _addr) external view returns (uint256);
}

File 6 of 13 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)

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 7 of 13 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

File 8 of 13 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

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() {
        _transferOwnership(_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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 9 of 13 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 10 of 13 : Pausable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

File 11 of 13 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

File 12 of 13 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 13 of 13 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

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) {
        return msg.data;
    }
}

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

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"ethPayment","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"bendReward","type":"uint256"}],"name":"Claimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"beneficiary","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"DrawDividend","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"CONTRACT_CREATE_TIMESTAMP","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bendClaimedTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"lockWeek","type":"uint256"}],"name":"claim","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"drawDividend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyEtherTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyTokenTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"ethPaymentRecord","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ethPaymentTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getConfig","outputs":[{"components":[{"internalType":"address","name":"TREASURY_ADDRESS","type":"address"},{"internalType":"address","name":"BEND_TOKEN_ADDRESS","type":"address"},{"internalType":"address","name":"TEAM_WALLET_ADDRESS","type":"address"},{"internalType":"address","name":"VEBEND_ADDRESS","type":"address"},{"internalType":"uint256","name":"VEBEND_LOCK_MIN_WEEK","type":"uint256"},{"internalType":"uint256","name":"AUTO_DRAW_DIVIDEND_THRESHOLD","type":"uint256"},{"internalType":"uint256","name":"BEND_TOKEN_REWARD_PER_ETH","type":"uint256"},{"internalType":"uint256","name":"MAX_ETH_PAYMENT_PER_ADDR","type":"uint256"}],"internalType":"struct BendCompetition.Config","name":"config","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"remainDivident","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stage","outputs":[{"internalType":"enum BendCompetition.Stage","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uiData","outputs":[{"components":[{"internalType":"uint256","name":"remainDivident","type":"uint256"},{"internalType":"uint256","name":"bendClaimedTotal","type":"uint256"},{"internalType":"uint256","name":"bendPrice","type":"uint256"},{"internalType":"uint256","name":"bendTokenRewardPerETH","type":"uint256"},{"internalType":"uint256","name":"remainBendBalance","type":"uint256"},{"internalType":"uint256","name":"veBendLockMinWeek","type":"uint256"},{"internalType":"uint256","name":"veBendCurrentLockStartTimestamp","type":"uint256"},{"internalType":"enum BendCompetition.Stage","name":"stage","type":"uint8"},{"internalType":"uint256","name":"bendBalance","type":"uint256"},{"internalType":"uint256","name":"veBendBalance","type":"uint256"},{"internalType":"int256","name":"veBendLockedBalanceAmount","type":"int256"},{"internalType":"uint256","name":"veBendLockedBalanceEnd","type":"uint256"},{"internalType":"uint256","name":"maxETHPayment","type":"uint256"},{"internalType":"uint256","name":"maxBendReward","type":"uint256"}],"internalType":"struct BendCompetition.UIData","name":"data","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.