// 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;
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.1.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

/// @author narghev dactyleth

import "@openzeppelin/contracts/access/Ownable.sol";
import "erc721a/contracts/interfaces/IERC721A.sol";

contract LosMuertosStaking is Ownable {
    IERC721A public originalContract;
    bool public stakingActive = true;

    struct StakedInfo {
        address owner;
        uint256 stakedAt;
        uint256 tokenId;
    }

    mapping(uint256 => StakedInfo) public tokenStakedInfo;
    uint256 public stakedCount = 0;

    constructor(address originalContract_) {
        originalContract = IERC721A(originalContract_);
    }

    function stake(uint256[] memory tokenIds) external {
        require(stakingActive, "Staking not active");

        for (uint256 i = 0; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            originalContract.transferFrom(msg.sender, address(this), tokenId);
            tokenStakedInfo[tokenId] = StakedInfo(
                msg.sender,
                uint256(block.timestamp),
                tokenId
            );
        }
        stakedCount += tokenIds.length;
    }

    function unstake(uint256[] memory tokenIds) external {
        for (uint256 i = 0; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            StakedInfo memory info = tokenStakedInfo[tokenId];
            require(info.owner == msg.sender, "Only owner can unstake");
            delete tokenStakedInfo[tokenId];
            originalContract.transferFrom(address(this), msg.sender, tokenId);
        }
        stakedCount -= tokenIds.length;
    }

    function setStakingActive(bool stakingActive_) external onlyOwner {
        stakingActive = stakingActive_;
    }

    function setOriginalContract(address originalContract_) external onlyOwner {
        originalContract = IERC721A(originalContract_);
    }

    function balanceOf(address owner_) public view returns (uint256) {
        uint256 supply = originalContract.totalSupply();
        uint256 count = 0;
        for (uint256 tokenId = 1; tokenId <= supply; tokenId++) {
            if (tokenStakedInfo[tokenId].owner == owner_) {
                count++;
            }
        }
        return count;
    }

    function snapshot() public view returns (StakedInfo[] memory) {
        uint256 supply = originalContract.totalSupply();
        StakedInfo[] memory currentState = new StakedInfo[](stakedCount);
        uint256 count = 0;

        for (uint256 tokenId = 1; tokenId <= supply; tokenId++) {
            StakedInfo memory info = tokenStakedInfo[tokenId];
            if (info.owner != address(0)) {
                currentState[count] = info;
                count++;
            }
        }
        return currentState;
    }

    function walletOfOwner(address owner_)
        public
        view
        returns (StakedInfo[] memory)
    {
        uint256 supply = originalContract.totalSupply();
        uint256 balance = balanceOf(owner_);
        StakedInfo[] memory tokens = new StakedInfo[](balance);
        uint256 count = 0;

        for (uint256 tokenId = 1; tokenId <= supply; tokenId++) {
            StakedInfo memory token = tokenStakedInfo[tokenId];
            if (token.owner == owner_) {
                tokens[count] = token;
                count++;
            }
        }
        return tokens;
    }
}

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

{
  "compilationTarget": {
    "contracts/LosMuertosStaking.sol": "LosMuertosStaking"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "remappings": []
}