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// SPDX-License-Identifier: UNLICENSED

// Crafted with ❤️ by [ @esawwh (1619058420), @dankazenoff, @rnaidenov (889528910) ] @ HOMA;

pragma solidity ^0.8.17;

import "@openzeppelin/contracts/access/Ownable.sol";

interface Valentine {
  function ownerOf(uint256 tokenId) external view returns (address);
  function transferFrom(address sender, address recipient, uint256 tokenId) external;    
  function balanceOf(address owner) external view returns (uint256);
}

contract StakeValentine is Ownable {
  Valentine private ValentineERC721;

  bool private canHoldersStake = false;
  uint256 private minimumStakeDurationInSeconds = 1800;

  struct StakeMetadata {
    uint256 tokenId;
    uint256 startTimestamp;
    uint256 minimumStakeDurationEndTimestamp;
    address stakedBy;
    bool active;
  }
  
  mapping(uint256 => StakeMetadata) public stakedTokens;
  mapping(address => bool) private canStakeAtAnyTime;

  event Staked(address indexed from, StakeMetadata stakedInfo);
  event Claimed(address indexed from, StakeMetadata stakedInfo);

  constructor(address _valentineAddress) {
    require(_valentineAddress != address(0), "Valentine to stake needs to have non-zero address.");                
    ValentineERC721 = Valentine(_valentineAddress);
  }

  function stakeToken(uint256[] calldata _tokenIds) external {
    require(canHoldersStake || canStakeAtAnyTime[msg.sender]);

    for (uint256 i = 0; i < _tokenIds.length; i++) {
      require(ValentineERC721.ownerOf(_tokenIds[i]) == msg.sender);

      StakeMetadata memory stakeInfo = StakeMetadata({                
        startTimestamp: block.timestamp,
        minimumStakeDurationEndTimestamp: block.timestamp + minimumStakeDurationInSeconds,
        stakedBy: msg.sender,
        tokenId: _tokenIds[i],
        active: true
      });

      stakedTokens[_tokenIds[i]] = stakeInfo;

      ValentineERC721.transferFrom(msg.sender, address(this), _tokenIds[i]);

      emit Staked(msg.sender, stakeInfo);
    }
  }    

  function withdrawToken(uint256[] calldata _tokenIds) external {
    for (uint256 i = 0; i < _tokenIds.length; i++) {
      StakeMetadata memory stakeInfo = stakedTokens[_tokenIds[i]];

      require(stakeInfo.active == true, "This token is not staked");
      require((stakeInfo.stakedBy == msg.sender && stakeInfo.minimumStakeDurationEndTimestamp < block.timestamp) 
      || msg.sender == owner());

      StakeMetadata memory defaultStakeInfo;
      stakedTokens[_tokenIds[i]] = defaultStakeInfo;

      ValentineERC721.transferFrom(address(this), stakeInfo.stakedBy, _tokenIds[i]);

      emit Claimed(stakeInfo.stakedBy, stakeInfo);
    }
  }

  function setCanStakeAtAnyTime(address[] calldata _addresses, bool[] calldata _can) external onlyOwner {
    for (uint256 i = 0; i < _addresses.length; i++) {
      canStakeAtAnyTime[_addresses[i]] = _can[i];
    }
  }

  function getCanStakeAtAnyTime(address[] calldata _addresses) external view returns (bool[] memory) {
    bool[] memory returnedArray = new bool[](_addresses.length);

    for (uint256 i = 0; i < _addresses.length; i++) {
      returnedArray[i] = canStakeAtAnyTime[_addresses[i]];
    }

    return returnedArray;
  }

  function setCanHoldersStake(bool _can) external onlyOwner {
    canHoldersStake = _can;
  }

  function getCanHoldersStake() external view returns (bool) {
    return canHoldersStake;
  }

  function setMinimumStakeDuration(uint256 _durationInSeconds) external onlyOwner {
    minimumStakeDurationInSeconds = _durationInSeconds;
  }

  function getMinimumStakeDuration() external view returns (uint256) {
    return minimumStakeDurationInSeconds;
  }

  function getStakedTokens(uint256[] calldata _tokenIds) external view returns (StakeMetadata[] memory) {
    StakeMetadata[] memory returnedArray = new StakeMetadata[](_tokenIds.length);

    for (uint256 i = 0; i < _tokenIds.length; i++) {
      returnedArray[i] = stakedTokens[_tokenIds[i]];
    }

    return returnedArray;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 9999999,
    "details": {
      "peephole": true,
      "inliner": true,
      "jumpdestRemover": true,
      "orderLiterals": true,
      "deduplicate": false,
      "cse": true,
      "constantOptimizer": true,
      "yul": true,
      "yulDetails": {
        "stackAllocation": true
      }
    }
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_valentineAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"startTimestamp","type":"uint256"},{"internalType":"uint256","name":"minimumStakeDurationEndTimestamp","type":"uint256"},{"internalType":"address","name":"stakedBy","type":"address"},{"internalType":"bool","name":"active","type":"bool"}],"indexed":false,"internalType":"struct StakeValentine.StakeMetadata","name":"stakedInfo","type":"tuple"}],"name":"Claimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"startTimestamp","type":"uint256"},{"internalType":"uint256","name":"minimumStakeDurationEndTimestamp","type":"uint256"},{"internalType":"address","name":"stakedBy","type":"address"},{"internalType":"bool","name":"active","type":"bool"}],"indexed":false,"internalType":"struct StakeValentine.StakeMetadata","name":"stakedInfo","type":"tuple"}],"name":"Staked","type":"event"},{"inputs":[],"name":"getCanHoldersStake","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"}],"name":"getCanStakeAtAnyTime","outputs":[{"internalType":"bool[]","name":"","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinimumStakeDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"getStakedTokens","outputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"startTimestamp","type":"uint256"},{"internalType":"uint256","name":"minimumStakeDurationEndTimestamp","type":"uint256"},{"internalType":"address","name":"stakedBy","type":"address"},{"internalType":"bool","name":"active","type":"bool"}],"internalType":"struct StakeValentine.StakeMetadata[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_can","type":"bool"}],"name":"setCanHoldersStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"bool[]","name":"_can","type":"bool[]"}],"name":"setCanStakeAtAnyTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_durationInSeconds","type":"uint256"}],"name":"setMinimumStakeDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"stakeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"stakedTokens","outputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"startTimestamp","type":"uint256"},{"internalType":"uint256","name":"minimumStakeDurationEndTimestamp","type":"uint256"},{"internalType":"address","name":"stakedBy","type":"address"},{"internalType":"bool","name":"active","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"withdrawToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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0000000000000000000000006c869a43a9d362ef870d75dae56a01887578421d

-----Decoded View---------------
Arg [0] : _valentineAddress (address): 0x6C869A43A9D362eF870d75daE56A01887578421d

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000006c869a43a9d362ef870d75dae56a01887578421d