Contract 0x738aba1389C5e37d24b5B669F07CBEa594c733E4 1

 

Contract Overview

DODO: Mining V2
Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash
Method
Block
From
To
Value [Txn Fee]
0xee1e0dcae05644e65ea4c300c51520a8b87a333dafc955c1ad8cd63c2399c020Claim All Reward...354712352022-11-11 8:24:07206 days 4 hrs ago mytrxclub.crypto  IN  DODO: Mining V20 MATIC0.007874171472 87.370417123
0x9edefa05ea2dd24534eacf6fcc5e72fe85bc19271d5a57d660a9a4faf1c6b8b7Withdraw343991992022-10-16 2:37:28232 days 10 hrs ago0x9bb9b1fc128ca59a722f8d4fdf8faca7d779adbe IN  DODO: Mining V20 MATIC0.008285242177 68.121210094
0x4cf8f04651685773892972535626e92ed56d714f8e369ca88cab9f201de51287Claim All Reward...307911402022-07-16 15:37:39323 days 21 hrs ago0x4ffd0a59a26cb2aa76d403215e4cc2845c053994 IN  DODO: Mining V20 MATIC0.0026284524 30.1
0xd938556728a66ac91cf77c8b3769f190f1371e17c21ee8d4fb242fd437e3ce2cClaim All Reward...281743742022-05-11 2:18:26390 days 10 hrs ago0xa90b207d09ab7c1f286ff4efba1ee0fa3a1ee5be IN  DODO: Mining V20 MATIC0.00852259213981.615262192
0x42252ef82ccc6d4239316fd51089c4f7b10ee34c52dd959967ac4b8b75891da7Withdraw281737542022-05-11 1:54:58390 days 11 hrs ago0xa90b207d09ab7c1f286ff4efba1ee0fa3a1ee5be IN  DODO: Mining V20 MATIC0.01023700233697.938314631
0x94db1974844abec850d9241cd679e5493bc0c3a89f4e6744d5194a780c4bdc45Claim All Reward...271996572022-04-16 9:17:41415 days 3 hrs ago0x5f3525272e485448cd26860159ac1b6169cde8d4 IN  DODO: Mining V20 MATIC0.00314275284230.096077938
0xe050c5dd2a2c4f757642959bc7af20a7c7c611f157ce00ccfab13294bec9fbe1Claim All Reward...268764562022-04-08 3:59:39423 days 9 hrs ago 1314btc.crypto  IN  DODO: Mining V20 MATIC0.002620922373 30.013769104
0x314036209e4a271101a33b7f4205bd140272212426425cc6d1821b25a1bb8d84Withdraw268571552022-04-07 15:55:51423 days 21 hrs ago0x4ffd0a59a26cb2aa76d403215e4cc2845c053994 IN  DODO: Mining V20 MATIC0.0036605513 30.1
0x996a953e227da01563541b35476a1ca5dff43dc16d24db75cafd87580f8f5f4aWithdraw266231002022-04-01 16:40:20429 days 20 hrs ago0xd01316b2879460cea336b9815a94bc47bb8e5522 IN  DODO: Mining V20 MATIC0.003656902914 30.070000033
0x353a2bf1b4ef5593e08fa7460823f1f11dace20748bdababaf19e4c1e7799b47Withdraw265281832022-03-30 6:03:15432 days 7 hrs ago0xaec7129e279b2aa5a97d47c79becdf0dfff36d01 IN  DODO: Mining V20 MATIC0.002400301922 29.338881631
0xac394cf57af733208e9298e723c9726a29208cabcee00bad303f13a7cbe6b73dClaim All Reward...264640462022-03-28 14:45:12433 days 22 hrs ago0xaec7129e279b2aa5a97d47c79becdf0dfff36d01 IN  DODO: Mining V20 MATIC0.003053276724 33.125500145
0xc2f2ffc2f78020c66d066a702e0448edc5f16052bdc47025b1a605ee25500f1dWithdraw262815442022-03-23 21:28:37438 days 15 hrs ago0x570cbfdc462d0b6d8e306e4b26f92644a1f0d89c IN  DODO: Mining V20 MATIC0.00333267684733.688924413
0xce9ee064e60ac06242527f6d71ef5b4eb4d585a11df6e2081e9c1ad18b6b70feClaim All Reward...262814662022-03-23 21:25:35438 days 15 hrs ago0x570cbfdc462d0b6d8e306e4b26f92644a1f0d89c IN  DODO: Mining V20 MATIC0.00298265230933.076999871
0x1e2d6d63b8b2e9e33522b54a076e661a38bc66319308969ddd107551cb66c767Claim All Reward...260869572022-03-18 20:24:02443 days 16 hrs ago0x7667daa5404aa42cabdeeff67703656665517942 IN  DODO: Mining V20 MATIC0.002734778828 31.317608319
0xb1d868d969f863a0f860911b76a115be7171e51d2cd39575adb81d30fe4c1f36Claim All Reward...259827122022-03-15 22:02:55446 days 15 hrs ago0x4c80faae6a044517efc85541d3023c97952613a2 IN  DODO: Mining V20 MATIC0.00082514914 10.633776316
0xf2b28b31d132b2464cef0d25e03f0a15eb826b3b4871a41e377b20e4c0186745Claim All Reward...259061132022-03-13 18:49:47448 days 18 hrs ago0xadcb5297e22a5b47dc19877885d5c9e491596420 IN  DODO: Mining V20 MATIC0.002891593797 32.084614507
0xcbf119c43cbe817179f97153d320a2701da6f448acd79a8babb2f50b7cb77cc2Withdraw257680722022-03-09 14:36:05452 days 22 hrs ago0xeb12d965484a38f10769dfc704b3b5ceaa9baf04 IN  DODO: Mining V20 MATIC0.00297431391 30.070000004
0x94fa576ab171df3c5515fc18aebc59be699c67c7f38e88891a5cdbc39c188b4eWithdraw256402552022-03-06 8:42:33456 days 4 hrs ago0x7ce15495dc30bfa14f06ce7be1fc5c613ec93468 IN  DODO: Mining V20 MATIC0.00316658908 32.009998288
0xc30d0cb6afc84b2170c3362f4627f949e570d0d6397317fbee27ac3e650b13f8Claim All Reward...256401952022-03-06 8:40:33456 days 4 hrs ago0x7ce15495dc30bfa14f06ce7be1fc5c613ec93468 IN  DODO: Mining V20 MATIC0.002798970312 31.040004349
0x42faa80cc19e8a7e2fd8963a4e481cd6a015e8b34003fba72e7bfcc1d186c37eClaim All Reward...255693642022-03-04 11:29:55458 days 1 hr ago0xe3fb6f270c517e4899d3c2040284b35fe3917f60 IN  DODO: Mining V20 MATIC0.00323714431
0xa94cb1ab94c223676a98bb4dcf4a686ed9aa0319cbbb73c4db6ff387b777ad7dWithdraw255692922022-03-04 11:27:27458 days 1 hr ago0xe3fb6f270c517e4899d3c2040284b35fe3917f60 IN  DODO: Mining V20 MATIC0.00377074731
0xfd6a1d9c3ed1b38d13ec230c22a117a3495e258127aa700bc0596f68edc414cdWithdraw255666062022-03-04 9:49:47458 days 3 hrs ago0x3162be2bf894f67f6277504c74818eeb1f97798d IN  DODO: Mining V20 MATIC0.003029706233 30.626295006
0xc042adc3a7a9cf588e23a5e9902a18fa154d1ee601a0303034e215dc2eb6085bClaim All Reward...255665962022-03-04 9:49:07458 days 3 hrs ago0x3162be2bf894f67f6277504c74818eeb1f97798d IN  DODO: Mining V20 MATIC0.002847077215 31.573500002
0xb40e099091545f8363427768978ee1bb3275bdb207ca9381e42f717a7932db27Claim All Reward...254983752022-03-02 15:01:28459 days 22 hrs ago0xe6bf40e81038050d76d658281ed6bcdf752d23bb IN  DODO: Mining V20 MATIC0.003318312 38
0xf0bfc70ad302cc2175381e03fd9cc981a61981c3b90d2370ed0594cd60f4fb46Withdraw254982242022-03-02 14:55:58459 days 22 hrs ago0xe6bf40e81038050d76d658281ed6bcdf752d23bb IN  DODO: Mining V20 MATIC0.004256875 35
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Latest 2 internal transactions
Parent Txn Hash Block From To Value
0xa6c17310db83d42d164256fde7b9f34e57d7e02b5424c4c104e860d63bd3e56a239490012022-01-20 14:15:04500 days 22 hrs ago DODO: Mining V2  Contract Creation0 MATIC
0xa6c17310db83d42d164256fde7b9f34e57d7e02b5424c4c104e860d63bd3e56a239490012022-01-20 14:15:04500 days 22 hrs ago 0x729f7f44bf64ce814716b6261e267dbe6cdf021c  Contract Creation0 MATIC
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Minimal Proxy Contract for 0x2f17dc9b24d0e82bd6dbb25692f67f3b90cd46fa

Contract Name:
ERC20Mine

Compiler Version
v0.6.9+commit.3e3065ac

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Apache-2.0 license
Decompile ByteCode

Contract Source Code (Solidity)

Similar Contracts
/**
 *Submitted for verification at polygonscan.com on 2022-01-20
*/

// File: contracts/intf/IERC20.sol

// This is a file copied from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.9;

/**
 * @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);

    function decimals() external view returns (uint8);

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    /**
     * @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);
}

// File: contracts/lib/SafeMath.sol


/**
 * @title SafeMath
 * @author DODO Breeder
 *
 * @notice Math operations with safety checks that revert on error
 */
library SafeMath {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "MUL_ERROR");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "DIVIDING_ERROR");
        return a / b;
    }

    function divCeil(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 quotient = div(a, b);
        uint256 remainder = a - quotient * b;
        if (remainder > 0) {
            return quotient + 1;
        } else {
            return quotient;
        }
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SUB_ERROR");
        return a - b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "ADD_ERROR");
        return c;
    }

    function sqrt(uint256 x) internal pure returns (uint256 y) {
        uint256 z = x / 2 + 1;
        y = x;
        while (z < y) {
            y = z;
            z = (x / z + z) / 2;
        }
    }
}

// File: contracts/lib/SafeERC20.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 ERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;

    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)
        );
    }

    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));
    }

    /**
     * @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.

        // A Solidity high level call has three parts:
        //  1. The target address is checked to verify it contains contract code
        //  2. The call itself is made, and success asserted
        //  3. The return value is decoded, which in turn checks the size of the returned data.
        // solhint-disable-next-line max-line-length

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "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: contracts/lib/DecimalMath.sol


/**
 * @title DecimalMath
 * @author DODO Breeder
 *
 * @notice Functions for fixed point number with 18 decimals
 */
library DecimalMath {
    using SafeMath for uint256;

    uint256 internal constant ONE = 10**18;
    uint256 internal constant ONE2 = 10**36;

    function mulFloor(uint256 target, uint256 d) internal pure returns (uint256) {
        return target.mul(d) / (10**18);
    }

    function mulCeil(uint256 target, uint256 d) internal pure returns (uint256) {
        return target.mul(d).divCeil(10**18);
    }

    function divFloor(uint256 target, uint256 d) internal pure returns (uint256) {
        return target.mul(10**18).div(d);
    }

    function divCeil(uint256 target, uint256 d) internal pure returns (uint256) {
        return target.mul(10**18).divCeil(d);
    }

    function reciprocalFloor(uint256 target) internal pure returns (uint256) {
        return uint256(10**36).div(target);
    }

    function reciprocalCeil(uint256 target) internal pure returns (uint256) {
        return uint256(10**36).divCeil(target);
    }
}

// File: contracts/lib/InitializableOwnable.sol

/**
 * @title Ownable
 * @author DODO Breeder
 *
 * @notice Ownership related functions
 */
contract InitializableOwnable {
    address public _OWNER_;
    address public _NEW_OWNER_;
    bool internal _INITIALIZED_;

    // ============ Events ============

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

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

    // ============ Modifiers ============

    modifier notInitialized() {
        require(!_INITIALIZED_, "DODO_INITIALIZED");
        _;
    }

    modifier onlyOwner() {
        require(msg.sender == _OWNER_, "NOT_OWNER");
        _;
    }

    // ============ Functions ============

    function initOwner(address newOwner) public notInitialized {
        _INITIALIZED_ = true;
        _OWNER_ = newOwner;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        emit OwnershipTransferPrepared(_OWNER_, newOwner);
        _NEW_OWNER_ = newOwner;
    }

    function claimOwnership() public {
        require(msg.sender == _NEW_OWNER_, "INVALID_CLAIM");
        emit OwnershipTransferred(_OWNER_, _NEW_OWNER_);
        _OWNER_ = _NEW_OWNER_;
        _NEW_OWNER_ = address(0);
    }
}

// File: contracts/lib/Ownable.sol


/**
 * @title Ownable
 * @author DODO Breeder
 *
 * @notice Ownership related functions
 */
contract Ownable {
    address public _OWNER_;
    address public _NEW_OWNER_;

    // ============ Events ============

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

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

    // ============ Modifiers ============

    modifier onlyOwner() {
        require(msg.sender == _OWNER_, "NOT_OWNER");
        _;
    }

    // ============ Functions ============

    constructor() internal {
        _OWNER_ = msg.sender;
        emit OwnershipTransferred(address(0), _OWNER_);
    }

    function transferOwnership(address newOwner) external onlyOwner {
        emit OwnershipTransferPrepared(_OWNER_, newOwner);
        _NEW_OWNER_ = newOwner;
    }

    function claimOwnership() external {
        require(msg.sender == _NEW_OWNER_, "INVALID_CLAIM");
        emit OwnershipTransferred(_OWNER_, _NEW_OWNER_);
        _OWNER_ = _NEW_OWNER_;
        _NEW_OWNER_ = address(0);
    }
}

// File: contracts/DODOToken/DODOMineV2/RewardVault.sol



interface IRewardVault {
    function reward(address to, uint256 amount) external;
    function withdrawLeftOver(address to, uint256 amount) external; 
}

contract RewardVault is Ownable {
    using SafeERC20 for IERC20;

    address public rewardToken;

    constructor(address _rewardToken) public {
        rewardToken = _rewardToken;
    }

    function reward(address to, uint256 amount) external onlyOwner {
        IERC20(rewardToken).safeTransfer(to, amount);
    }

    function withdrawLeftOver(address to,uint256 amount) external onlyOwner {
        uint256 leftover = IERC20(rewardToken).balanceOf(address(this));
        require(amount <= leftover, "VAULT_NOT_ENOUGH");
        IERC20(rewardToken).safeTransfer(to, amount);
    }
}

// File: contracts/DODOToken/DODOMineV2/BaseMine.sol




contract BaseMine is InitializableOwnable {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    // ============ Storage ============

    struct RewardTokenInfo {
        address rewardToken;
        uint256 startBlock;
        uint256 endBlock;
        address rewardVault;
        uint256 rewardPerBlock;
        uint256 accRewardPerShare;
        uint256 lastRewardBlock;
        mapping(address => uint256) userRewardPerSharePaid;
        mapping(address => uint256) userRewards;
    }

    RewardTokenInfo[] public rewardTokenInfos;

    uint256 internal _totalSupply;
    mapping(address => uint256) internal _balances;

    // ============ Event =============

    event Claim(uint256 indexed i, address indexed user, uint256 reward);
    event UpdateReward(uint256 indexed i, uint256 rewardPerBlock);
    event UpdateEndBlock(uint256 indexed i, uint256 endBlock);
    event NewRewardToken(uint256 indexed i, address rewardToken);
    event RemoveRewardToken(address rewardToken);
    event WithdrawLeftOver(address owner, uint256 i);

    // ============ View  ============

    function getPendingReward(address user, uint256 i) public view returns (uint256) {
        require(i<rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        RewardTokenInfo storage rt = rewardTokenInfos[i];
        uint256 accRewardPerShare = rt.accRewardPerShare;
        if (rt.lastRewardBlock != block.number) {
            accRewardPerShare = _getAccRewardPerShare(i);
        }
        return
            DecimalMath.mulFloor(
                balanceOf(user), 
                accRewardPerShare.sub(rt.userRewardPerSharePaid[user])
            ).add(rt.userRewards[user]);
    }

    function getPendingRewardByToken(address user, address rewardToken) external view returns (uint256) {
        return getPendingReward(user, getIdByRewardToken(rewardToken));
    }

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

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

    function getRewardTokenById(uint256 i) external view returns (address) {
        require(i<rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        RewardTokenInfo memory rt = rewardTokenInfos[i];
        return rt.rewardToken;
    }

    function getIdByRewardToken(address rewardToken) public view returns(uint256) {
        uint256 len = rewardTokenInfos.length;
        for (uint256 i = 0; i < len; i++) {
            if (rewardToken == rewardTokenInfos[i].rewardToken) {
                return i;
            }
        }
        require(false, "DODOMineV2: TOKEN_NOT_FOUND");
    }

    function getRewardNum() external view returns(uint256) {
        return rewardTokenInfos.length;
    }

    // ============ Claim ============

    function claimReward(uint256 i) public {
        require(i<rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        _updateReward(msg.sender, i);
        RewardTokenInfo storage rt = rewardTokenInfos[i];
        uint256 reward = rt.userRewards[msg.sender];
        if (reward > 0) {
            rt.userRewards[msg.sender] = 0;
            IRewardVault(rt.rewardVault).reward(msg.sender, reward);
            emit Claim(i, msg.sender, reward);
        }
    }

    function claimAllRewards() external {
        uint256 len = rewardTokenInfos.length;
        for (uint256 i = 0; i < len; i++) {
            claimReward(i);
        }
    }

    // =============== Ownable  ================

    function addRewardToken(
        address rewardToken,
        uint256 rewardPerBlock,
        uint256 startBlock,
        uint256 endBlock
    ) external onlyOwner {
        require(rewardToken != address(0), "DODOMineV2: TOKEN_INVALID");
        require(startBlock > block.number, "DODOMineV2: START_BLOCK_INVALID");
        require(endBlock > startBlock, "DODOMineV2: DURATION_INVALID");

        uint256 len = rewardTokenInfos.length;
        for (uint256 i = 0; i < len; i++) {
            require(
                rewardToken != rewardTokenInfos[i].rewardToken,
                "DODOMineV2: TOKEN_ALREADY_ADDED"
            );
        }

        RewardTokenInfo storage rt = rewardTokenInfos.push();
        rt.rewardToken = rewardToken;
        rt.startBlock = startBlock;
        rt.endBlock = endBlock;
        rt.rewardPerBlock = rewardPerBlock;
        rt.rewardVault = address(new RewardVault(rewardToken));

        emit NewRewardToken(len, rewardToken);
    }

    function removeRewardToken(address rewardToken) external onlyOwner {
        uint256 len = rewardTokenInfos.length;
        for (uint256 i = 0; i < len; i++) {
            if (rewardToken == rewardTokenInfos[i].rewardToken) {
                if(i != len - 1) {
                    rewardTokenInfos[i] = rewardTokenInfos[len - 1];
                }
                rewardTokenInfos.pop();
                emit RemoveRewardToken(rewardToken);
                break;
            }
        }
    }

    function setEndBlock(uint256 i, uint256 newEndBlock)
        external
        onlyOwner
    {
        require(i < rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        _updateReward(address(0), i);
        RewardTokenInfo storage rt = rewardTokenInfos[i];

        require(block.number < newEndBlock, "DODOMineV2: END_BLOCK_INVALID");
        require(block.number > rt.startBlock, "DODOMineV2: NOT_START");
        require(block.number < rt.endBlock, "DODOMineV2: ALREADY_CLOSE");

        rt.endBlock = newEndBlock;
        emit UpdateEndBlock(i, newEndBlock);
    }

    function setReward(uint256 i, uint256 newRewardPerBlock)
        external
        onlyOwner
    {
        require(i < rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        _updateReward(address(0), i);
        RewardTokenInfo storage rt = rewardTokenInfos[i];
        
        require(block.number < rt.endBlock, "DODOMineV2: ALREADY_CLOSE");

        rt.rewardPerBlock = newRewardPerBlock;
        emit UpdateReward(i, newRewardPerBlock);
    }

    function withdrawLeftOver(uint256 i, uint256 amount) external onlyOwner {
        require(i < rewardTokenInfos.length, "DODOMineV2: REWARD_ID_NOT_FOUND");
        
        RewardTokenInfo storage rt = rewardTokenInfos[i];
        require(block.number > rt.endBlock, "DODOMineV2: MINING_NOT_FINISHED");

        IRewardVault(rt.rewardVault).withdrawLeftOver(msg.sender,amount);

        emit WithdrawLeftOver(msg.sender, i);
    }


    // ============ Internal  ============

    function _updateReward(address user, uint256 i) internal {
        RewardTokenInfo storage rt = rewardTokenInfos[i];
        if (rt.lastRewardBlock != block.number){
            rt.accRewardPerShare = _getAccRewardPerShare(i);
            rt.lastRewardBlock = block.number;
        }
        if (user != address(0)) {
            rt.userRewards[user] = getPendingReward(user, i);
            rt.userRewardPerSharePaid[user] = rt.accRewardPerShare;
        }
    }

    function _updateAllReward(address user) internal {
        uint256 len = rewardTokenInfos.length;
        for (uint256 i = 0; i < len; i++) {
            _updateReward(user, i);
        }
    }

    function _getUnrewardBlockNum(uint256 i) internal view returns (uint256) {
        RewardTokenInfo memory rt = rewardTokenInfos[i];
        if (block.number < rt.startBlock || rt.lastRewardBlock > rt.endBlock) {
            return 0;
        }
        uint256 start = rt.lastRewardBlock < rt.startBlock ? rt.startBlock : rt.lastRewardBlock;
        uint256 end = rt.endBlock < block.number ? rt.endBlock : block.number;
        return end.sub(start);
    }

    function _getAccRewardPerShare(uint256 i) internal view returns (uint256) {
        RewardTokenInfo memory rt = rewardTokenInfos[i];
        if (totalSupply() == 0) {
            return rt.accRewardPerShare;
        }
        return
            rt.accRewardPerShare.add(
                DecimalMath.divFloor(_getUnrewardBlockNum(i).mul(rt.rewardPerBlock), totalSupply())
            );
    }

}

// File: contracts/DODOToken/DODOMineV2/ERC20Mine.sol



contract ERC20Mine is BaseMine {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    // ============ Storage ============

    address public _TOKEN_;

    function init(address owner, address token) external {
        super.initOwner(owner);
        _TOKEN_ = token;
    }

    // ============ Event  ============

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

    // ============ Deposit && Withdraw && Exit ============

    function deposit(uint256 amount) external {
        require(amount > 0, "DODOMineV2: CANNOT_DEPOSIT_ZERO");

        _updateAllReward(msg.sender);

        uint256 erc20OriginBalance = IERC20(_TOKEN_).balanceOf(address(this));
        IERC20(_TOKEN_).safeTransferFrom(msg.sender, address(this), amount);
        uint256 actualStakeAmount = IERC20(_TOKEN_).balanceOf(address(this)).sub(erc20OriginBalance);
        
        _totalSupply = _totalSupply.add(actualStakeAmount);
        _balances[msg.sender] = _balances[msg.sender].add(actualStakeAmount);

        emit Deposit(msg.sender, actualStakeAmount);
    }

    function withdraw(uint256 amount) external {
        require(amount > 0, "DODOMineV2: CANNOT_WITHDRAW_ZERO");

        _updateAllReward(msg.sender);
        _totalSupply = _totalSupply.sub(amount);
        _balances[msg.sender] = _balances[msg.sender].sub(amount);
        IERC20(_TOKEN_).safeTransfer(msg.sender, amount);

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

Contract ABI

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unction"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"initOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"rewardToken","type":"address"}],"name":"removeRewardToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"rewardTokenInfos","outputs":[{"internalType":"address","name":"rewardToken","type":"address"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"},{"internalType":"address","name":"rewardVault","type":"address"},{"internalType":"uint256","name":"rewardPerBlock","type":"uint256"},{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"i","type":"uint256"},{"internalType":"uint256","name":"newEndBlock","type":"uint256"}],"name":"setEndBlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"i","type":"uint256"},{"internalType":"uint256","name":"newRewardPerBlock","type":"uint256"}],"name":"setReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","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":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"i","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawLeftOver","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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