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Contract

0x402eAB3DC2Ef532c9E8794318a39e1A3EF608511
 

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Unboost162250502022-12-20 9:35:59559 days ago1671528959IN
0x402eAB3D...3EF608511
0 ETH0.0009542412.39331657
Unboost162250502022-12-20 9:35:59559 days ago1671528959IN
0x402eAB3D...3EF608511
0 ETH0.0009542412.39331657
Unboost162250502022-12-20 9:35:59559 days ago1671528959IN
0x402eAB3D...3EF608511
0 ETH0.0019159312.39331657
Unboost161370762022-12-08 2:41:59571 days ago1670467319IN
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0 ETH0.0024859114.89517006
Unstake157964822022-10-21 12:28:11619 days ago1666355291IN
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0 ETH0.002696921.34068227
Unstake157652662022-10-17 3:51:47623 days ago1665978707IN
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0 ETH0.001534412.14180983
Unstake156753642022-10-04 14:28:23636 days ago1664893703IN
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0 ETH0.0023170218.33464396
Unstake155351922022-09-14 21:35:14655 days ago1663191314IN
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0 ETH0.001168679.61285203
Unboost154821892022-09-06 5:20:19664 days ago1662441619IN
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0 ETH0.000995926.44216512
Unstake153905152022-08-22 13:34:52679 days ago1661175292IN
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0 ETH0.0017505714.39785306
Unstake153777292022-08-20 12:57:59681 days ago1661000279IN
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0 ETH0.000809826.66113026
Unboost153558942022-08-17 1:51:30684 days ago1660701090IN
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0 ETH0.0032308419.93744673
Unstake153558912022-08-17 1:50:48684 days ago1660701048IN
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0 ETH0.002571619.47317889
Unboost153363262022-08-13 23:31:00687 days ago1660433460IN
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0 ETH0.000724025.01752822
Boost153362952022-08-13 23:23:53687 days ago1660433033IN
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0 ETH0.001228025.87570117
Unboost153005202022-08-08 8:36:34693 days ago1659947794IN
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0 ETH0.0017281910.66461634
Unstake152491492022-07-31 8:31:12701 days ago1659256272IN
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0 ETH0.00073976.08437906
Unboost152491422022-07-31 8:30:10701 days ago1659256210IN
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0 ETH0.001125786.74552117
Unstake152367002022-07-29 10:05:34703 days ago1659089134IN
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0 ETH0.0016723213.23310662
Unstake152344602022-07-29 1:24:31703 days ago1659057871IN
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0 ETH0.001044288.26342589
Unstake151858142022-07-21 12:11:44711 days ago1658405504IN
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0 ETH0.001174129.29091065
Unboost151588512022-07-17 7:35:53715 days ago1658043353IN
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0 ETH0.0019906111.92741173
Unstake151574982022-07-17 2:33:05715 days ago1658025185IN
0x402eAB3D...3EF608511
0 ETH0.0019024615.05426906
Unstake151334712022-07-13 9:23:40719 days ago1657704220IN
0x402eAB3D...3EF608511
0 ETH0.0012789310.51977445
Unboost151334672022-07-13 9:22:45719 days ago1657704165IN
0x402eAB3D...3EF608511
0 ETH0.00151079.05187388
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Contract Source Code Verified (Exact Match)

Contract Name:
MonasteryStaking

Compiler Version
v0.7.5+commit.eb77ed08

Optimization Enabled:
Yes with 800 runs

Other Settings:
default evmVersion
File 1 of 8 : MonasteryStaking.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

import "./libraries/SafeMath.sol";
import "./libraries/ERC20.sol";
import "./interfaces/IERC721.sol";
import "./libraries/Ownable.sol";


interface IZEN {
    function rebase( uint256 monkProfit_, uint epoch_) external returns (uint256);

    function circulatingSupply() external view returns (uint256);

    function balanceOf(address who) external view returns (uint256);

    function gonsForBalance( uint amount ) external view returns ( uint );

    function balanceForGons( uint gons ) external view returns ( uint );

    function index() external view returns ( uint );

    function boost(address who) external;

    function unboost(address who) external;
}

interface IWarmup {
    function retrieve( address staker_, uint amount_ ) external;
}

interface IDistributor {
    function distribute() external returns ( bool );
}

contract MonasteryStaking is Ownable {

    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    address public immutable MONK;
    address public immutable ZEN;
    address public NFT;

    struct Epoch {
        uint length; // in seconds
        uint number;
        uint endTime; // unix epoch time in seconds
        uint distribute;
    }
    Epoch public epoch;

    address public distributor;

    address public locker;
    uint public totalBonus;

    address public warmupContract;
    uint public warmupPeriod;

    constructor (
        address _MONK,
        address _ZEN,
        uint _epochLength,
        uint _firstEpochNumber,
        uint _firstEpochTime
    ) {
        require( _MONK != address(0) );
        MONK = _MONK;
        require( _ZEN != address(0) );
        ZEN = _ZEN;

        epoch = Epoch({
            length: _epochLength,
            number: _firstEpochNumber,
            endTime: _firstEpochTime,
            distribute: 0
        });
    }

    struct Claim {
        uint deposit;
        uint gons;
        uint expiry;
        bool lock; // prevents malicious delays
    }
    mapping( address => Claim ) public warmupInfo;
    mapping( address => uint256 ) public NFTOf;

    function setNFT(address _NFT) public onlyOwner() {
        require(_NFT != address(0));
        NFT = _NFT;
    }

    function stake( uint _amount, address _recipient ) external returns ( bool ) {
        rebase();

        IERC20( MONK ).safeTransferFrom( msg.sender, address(this), _amount );

        Claim memory info = warmupInfo[ _recipient ];
        require( !info.lock, "Deposits for account are locked" );

        warmupInfo[ _recipient ] = Claim ({
            deposit: info.deposit.add( _amount ),
            gons: info.gons.add( IZEN( ZEN ).gonsForBalance( _amount ) ),
            expiry: epoch.number.add( warmupPeriod ),
            lock: false
        });

        IERC20( ZEN ).safeTransfer( warmupContract, _amount );
        return true;
    }

    function boost( uint256 tokenId ) external returns ( bool ) {
        rebase();

        IERC721(NFT).transferFrom(msg.sender, address(this), tokenId);
        NFTOf[msg.sender] = tokenId;
        IZEN( ZEN ).boost(msg.sender);

        return true;
    }

    function unboost() external returns ( bool ) {
        rebase();

        IZEN( ZEN ).unboost(msg.sender);
        uint256 tokenId = NFTOf[msg.sender];
        NFTOf[msg.sender] = 0;
        IERC721(NFT).transferFrom(address(this), msg.sender, tokenId);

        return true;
    }

    /**
        @notice retrieve ZEN from warmup
        @param _recipient address
     */
    function claim ( address _recipient ) public {
        Claim memory info = warmupInfo[ _recipient ];
        if ( epoch.number >= info.expiry && info.expiry != 0 ) {
            delete warmupInfo[ _recipient ];
            IWarmup( warmupContract ).retrieve( _recipient, IZEN( ZEN ).balanceForGons( info.gons ) );
        }
    }

    /**
        @notice forfeit ZEN in warmup and retrieve MONK
     */
    function forfeit() external {
        Claim memory info = warmupInfo[ msg.sender ];
        delete warmupInfo[ msg.sender ];

        IWarmup( warmupContract ).retrieve( address(this), IZEN( ZEN ).balanceForGons( info.gons ) );
        IERC20( MONK ).safeTransfer( msg.sender, info.deposit );
    }

    /**
        @notice prevent new deposits to address (protection from malicious activity)
     */
    function toggleDepositLock() external {
        warmupInfo[ msg.sender ].lock = !warmupInfo[ msg.sender ].lock;
    }

    /**
        @notice redeem ZEN for MONK
        @param _amount uint
        @param _trigger bool
     */
    function unstake( uint _amount, bool _trigger ) external {
        if ( _trigger ) {
            rebase();
        }
        IERC20( ZEN ).safeTransferFrom( msg.sender, address(this), _amount );
        IERC20( MONK ).safeTransfer( msg.sender, _amount );
    }

    /**
        @notice returns the ZEN index, which tracks rebase growth
        @return uint
     */
    function index() public view returns ( uint ) {
        return IZEN( ZEN ).index();
    }

    /**
        @notice trigger rebase if epoch over
     */
    function rebase() public {
        if( epoch.endTime <= block.timestamp ) {
            IZEN( ZEN ).rebase( epoch.distribute, epoch.number );

            epoch.endTime = epoch.endTime.add( epoch.length );
            epoch.number++;

            if ( distributor != address(0) ) {
                IDistributor( distributor ).distribute();
            }

            uint balance = contractBalance();
            uint staked = IZEN( ZEN ).circulatingSupply();

            if( balance <= staked ) {
                epoch.distribute = 0;
            } else {
                epoch.distribute = balance.sub( staked );
            }
        }
    }

    /**
        @notice returns contract MONK holdings, including bonuses provided
        @return uint
     */
    function contractBalance() public view returns ( uint ) {
        return IERC20( MONK ).balanceOf( address(this) ).add( totalBonus );
    }

    /**
        @notice provide bonus to locked staking contract
        @param _amount uint
     */
    function giveLockBonus( uint _amount ) external {
        require( msg.sender == locker );
        totalBonus = totalBonus.add( _amount );
        IERC20( ZEN ).safeTransfer( locker, _amount );
    }

    /**
        @notice reclaim bonus from locked staking contract
        @param _amount uint
     */
    function returnLockBonus( uint _amount ) external {
        require( msg.sender == locker );
        totalBonus = totalBonus.sub( _amount );
        IERC20( ZEN ).safeTransferFrom( locker, address(this), _amount );
    }

    enum CONTRACTS { DISTRIBUTOR, WARMUP, LOCKER }

    /**
        @notice sets the contract address for LP staking
        @param _contract address
     */
    function setContract( CONTRACTS _contract, address _address ) external onlyOwner() {
        if( _contract == CONTRACTS.DISTRIBUTOR ) { // 0
            distributor = _address;
        } else if ( _contract == CONTRACTS.WARMUP ) { // 1
            require( warmupContract == address( 0 ), "Warmup cannot be set more than once" );
            warmupContract = _address;
        } else if ( _contract == CONTRACTS.LOCKER ) { // 2
            require( locker == address(0), "Locker cannot be set more than once" );
            locker = _address;
        }
    }

    /**
     * @notice set warmup period for new stakers
     * @param _warmupPeriod uint
     */
    function setWarmup( uint _warmupPeriod ) external onlyOwner() {
        warmupPeriod = _warmupPeriod;
    }
}

File 2 of 8 : SafeMath.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

library SafeMath {

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {

        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function sqrrt(uint256 a) internal pure returns (uint c) {
        if (a > 3) {
            c = a;
            uint b = add( div( a, 2), 1 );
            while (b < c) {
                c = b;
                b = div( add( div( a, b ), b), 2 );
            }
        } else if (a != 0) {
            c = 1;
        }
    }
}

File 3 of 8 : ERC20.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

import "../interfaces/IERC20.sol";
import "./SafeMath.sol";
import "./Counters.sol";
import "./Address.sol";

abstract contract ERC20 is IERC20 {

    using SafeMath for uint256;

    // TODO comment actual hash value.
    bytes32 constant private ERC20TOKEN_ERC1820_INTERFACE_ID = keccak256( "ERC20Token" );

    mapping (address => uint256) internal _balances;

    mapping (address => mapping (address => uint256)) internal _allowances;

    uint256 internal _totalSupply;

    string internal _name;

    string internal _symbol;

    uint8 internal _decimals;

    constructor (string memory name_, string memory symbol_, uint8 decimals_) {
        _name = name_;
        _symbol = symbol_;
        _decimals = decimals_;
    }

     function name() public view override returns (string memory) {
        return _name;
    }

    function symbol() public view override returns (string memory) {
        return _symbol;
    }

    function decimals() public view override returns (uint8) {
        return _decimals;
    }

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

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

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account_, uint256 ammount_) internal virtual {
        require(account_ != address(0), "ERC20: mint to the zero address");
        _beforeTokenTransfer(address( this ), account_, ammount_);
        _totalSupply = _totalSupply.add(ammount_);
        _balances[account_] = _balances[account_].add(ammount_);
        emit Transfer(address( this ), account_, ammount_);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

  function _beforeTokenTransfer( address from_, address to_, uint256 amount_ ) internal virtual { }
}

interface IERC2612Permit {

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function nonces(address owner) external view returns (uint256);
}


abstract contract ERC20Permit is ERC20, IERC2612Permit {
    using Counters for Counters.Counter;

    mapping(address => Counters.Counter) private _nonces;

    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;

    bytes32 public DOMAIN_SEPARATOR;

    constructor() {
        uint256 chainID;
        assembly {
            chainID := chainid()
        }

        DOMAIN_SEPARATOR = keccak256(
            abi.encode(
                keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                keccak256(bytes(name())),
                keccak256(bytes("1")), // Version
                chainID,
                address(this)
            )
        );
    }

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual override {
        require(block.timestamp <= deadline, "Permit: expired deadline");

        bytes32 hashStruct =
            keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, amount, _nonces[owner].current(), deadline));

        bytes32 _hash = keccak256(abi.encodePacked(uint16(0x1901), DOMAIN_SEPARATOR, hashStruct));

        address signer = ecrecover(_hash, v, r, s);
        require(signer != address(0) && signer == owner, "Permit: Invalid signature");

        _nonces[owner].increment();
        _approve(owner, spender, amount);
    }

    function nonces(address owner) public view override returns (uint256) {
        return _nonces[owner].current();
    }
}

library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    function safeApprove(IERC20 token, address spender, uint256 value) internal {

        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

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

    function _callOptionalReturn(IERC20 token, bytes memory data) private {

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

File 4 of 8 : IERC721.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity >=0.5.0;
interface IERC721 {
    function balanceOf(address owner) external view returns (uint256 balance);
    function ownerOf(uint256 tokenId) external view returns (address owner);
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;
    function approve(address to, uint256 tokenId) external;
    function getApproved(uint256 tokenId) external view returns (address operator);
    function setApprovalForAll(address operator, bool _approved) external;
    function isApprovedForAll(address owner, address operator) external view returns (bool);
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

File 5 of 8 : Ownable.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

interface IOwnable {
  function owner() external view returns (address);

  function renounceManagement() external;

  function pushManagement( address newOwner_ ) external;

  function pullManagement() external;
}

contract Ownable is IOwnable {

    address internal _owner;
    address internal _newOwner;

    event OwnershipPushed(address indexed previousOwner, address indexed newOwner);
    event OwnershipPulled(address indexed previousOwner, address indexed newOwner);

    constructor () {
        _owner = msg.sender;
        emit OwnershipPushed( address(0), _owner );
    }

    function owner() public view override returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require( _owner == msg.sender, "Ownable: caller is not the owner" );
        _;
    }

    function renounceManagement() public virtual override onlyOwner() {
        emit OwnershipPushed( _owner, address(0) );
        _owner = address(0);
    }

    function pushManagement( address newOwner_ ) public virtual override onlyOwner() {
        require( newOwner_ != address(0), "Ownable: new owner is the zero address");
        emit OwnershipPushed( _owner, newOwner_ );
        _newOwner = newOwner_;
    }

    function pullManagement() public virtual override {
        require( msg.sender == _newOwner, "Ownable: must be new owner to pull");
        emit OwnershipPulled( _owner, _newOwner );
        _owner = _newOwner;
    }
}

File 6 of 8 : IERC20.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity >=0.5.0;

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);
}

interface IERC20Mintable {
  function mint( uint256 amount_ ) external;

  function mint( address account_, uint256 ammount_ ) external;
}

File 7 of 8 : Counters.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

import "./SafeMath.sol";

library Counters {
    using SafeMath for uint256;

    struct Counter {

        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        counter._value += 1;
    }

    function decrement(Counter storage counter) internal {
        counter._value = counter._value.sub(1);
    }
}

File 8 of 8 : Address.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

library Address {

    function isContract(address account) internal view returns (bool) {

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    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");
    }

    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    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");
    }

    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);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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);
            }
        }
    }

    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    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);
    }

    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    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 {
            if (returndata.length > 0) {

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }

    function addressToString(address _address) internal pure returns(string memory) {
        bytes32 _bytes = bytes32(uint256(_address));
        bytes memory HEX = "0123456789abcdef";
        bytes memory _addr = new bytes(42);

        _addr[0] = '0';
        _addr[1] = 'x';

        for(uint256 i = 0; i < 20; i++) {
            _addr[2+i*2] = HEX[uint8(_bytes[i + 12] >> 4)];
            _addr[3+i*2] = HEX[uint8(_bytes[i + 12] & 0x0f)];
        }

        return string(_addr);

    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_MONK","type":"address"},{"internalType":"address","name":"_ZEN","type":"address"},{"internalType":"uint256","name":"_epochLength","type":"uint256"},{"internalType":"uint256","name":"_firstEpochNumber","type":"uint256"},{"internalType":"uint256","name":"_firstEpochTime","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPulled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPushed","type":"event"},{"inputs":[],"name":"MONK","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NFT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"NFTOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ZEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"boost","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"distributor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"epoch","outputs":[{"internalType":"uint256","name":"length","type":"uint256"},{"internalType":"uint256","name":"number","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"distribute","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"forfeit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"giveLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"index","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"locker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pullManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner_","type":"address"}],"name":"pushManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rebase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"returnLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum MonasteryStaking.CONTRACTS","name":"_contract","type":"uint8"},{"internalType":"address","name":"_address","type":"address"}],"name":"setContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_NFT","type":"address"}],"name":"setNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_warmupPeriod","type":"uint256"}],"name":"setWarmup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"stake","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleDepositLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalBonus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unboost","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_trigger","type":"bool"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"warmupContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"warmupInfo","outputs":[{"internalType":"uint256","name":"deposit","type":"uint256"},{"internalType":"uint256","name":"gons","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"bool","name":"lock","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"warmupPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000a4e27ea37d18bb0f483779f9e75a6024efa5e73e000000000000000000000000b634b684e12686d0cf19c862cf2c99fbed221e4d0000000000000000000000000000000000000000000000000000000000007080000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000621fd352

-----Decoded View---------------
Arg [0] : _MONK (address): 0xa4E27ea37D18bb0f483779f9E75A6024EFa5E73e
Arg [1] : _ZEN (address): 0xb634b684e12686D0cf19c862cF2c99FBeD221e4D
Arg [2] : _epochLength (uint256): 28800
Arg [3] : _firstEpochNumber (uint256): 1
Arg [4] : _firstEpochTime (uint256): 1646252882

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000a4e27ea37d18bb0f483779f9e75a6024efa5e73e
Arg [1] : 000000000000000000000000b634b684e12686d0cf19c862cf2c99fbed221e4d
Arg [2] : 0000000000000000000000000000000000000000000000000000000000007080
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [4] : 00000000000000000000000000000000000000000000000000000000621fd352


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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.