Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: CC-BY-NC-4.0
pragma solidity ^0.8.13;

import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {UntransferableERC721} from "./extensions/UntransferableERC721.sol";

/**
 * MMMMMMMMMMMMMMMMMMWWWWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
 * MMMMMMMMMMMMMWXOxdlllloxOKNWNXXK000OOO000KXXX0OOkOO0XWMMMMMMMMMMMMMMMM
 * MMMMMMMMMMMW0o:,''''''''';cc:;;,,,'''''',,;;;,''''',;cd0WMMMMMMMMMMMMM
 * MMMMMMMMMMNx;'''''''''''''''''''''''''''''''''''''''''',dXMMMMMMMMMMMM
 * MMMMMMMMMM0:',lol;'.';cllc,',''',,,,,''''',''''''''''''''dNMMMMMMMMMMM
 * MMMMMMMMMM0c':kkc'';;;d00x;'',,'','''''',lxl,....,:cll;'';xXWMMMMMMMMM
 * MMMMMMMMMMXo';dx;.':;'lOkc,'',,,,,'''''';dOc'.;c;,o00Ol'''':xXMMMMMMMM
 * MMMMMMMMMWO:'';:,'..'';::,',''''','''''',cd;..,:,,d0Od;''''''lKWMMMMMM
 * MMMMMMMMMKl,''''''''','''',,',,',,'''''''','''''',clc,''''''''cKMMMMMM
 * MMMMMMMMNd,''''','''''''''''''''''',,,'''''''''''''''''''''''''dNMMMMM
 * MMMMMMMWk;'','''''''''''''''''''''''''''''''''''','','','''''''cKMMMMM
 * MMMMMMW0c,','',''''''''''''''',,,,'''''''''''''',,,,;;;,,''''''cKMMMMM
 * MMMMMNkl::;,,,,,,'''''''''''''''',''''''',,,,;;::ccccllc;''''''oNMMMMM
 * MMMMMXo:lllllc:;;;;,,,,,,,,,,,,,,,;;;;::::::ccccllllllc;,''''':OMMMMMM
 * MMMMMWx:cccccccccc::::::::::::::::::::ccccccccllllcc:;,'''''';kWMMMMMM
 * MMMMMW0occlllllcccccccccccccccccccccclllllllcc::;,,,'''''''':OWMMMMMMM
 * MMMMMMWN0xoc:::::ccccclllllllccccccc::::;;,,,,'''''''''''',oKWMMMMMMMM
 * MMMMMMMMMMWX0koc,'',,,,,,,,,,,,,,,''''''',,''''''''''''';o0WMMMMMMMMMM
 * MMMMMMMMMMMMMMWN0xo;'''''''''''''''''''''''''''''''.';lxKWMMMMMMMMMMMM
 * MMMMMMMMMMMMMMMMMMWKko:,''''''''''''''''''''''.',;cdkKWMMMMMMMMMMMMMMM
 * MMMMMMMMMMMMMMMMMMMMMWNKOxolc:;,,'''''',,,;:codk0XWMMMMMMMMMMMMMMMMMMM
 * MMMMMMMMMMMMMMMMMMMMMMMMMMMWNNXK000OOO00KKXNWMMMMMMMMMMMMMMMMMMMMMMMMM
 * MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
 *
 * @title StakeFrogs
 * @custom:website www.plaguenft.com
 * @author @lozzereth (www.allthingsweb3.com)
 * @custom:contributor Riley Holterhus (@rileyholterhus)
 * @notice NFT Staking contract for The Plague. Staking will entitle its holders to a
 *         staked nft and yield token. Contract is the custodian of a fixed amount of
 *         token which is then distributed as rewards to its holders.
 */
contract StakeFrogs is UntransferableERC721, IERC721Receiver {
    using Math for uint256;

    /// @notice Contract addresses
    address public immutable erc721Address;
    address public erc20Address;

    /// @notice First is default, followed by bonusIntervals rates
    uint256[3] public periodEmissions = [100, 200, 300];

    /// @notice Period that one full emission occurs
    uint256 public periodDenominator = 30 days;

    /// @notice Minimum interval (interval * demoninator) to begin bonus emissions
    uint256[2] public bonusIntervals = [3, 6];

    /// @notice Track the deposit and claim state of tokens
    struct StakedToken {
        uint256 depositedAt;
        uint256 claimedAt;
    }
    mapping(uint256 => StakedToken) public staked;

    /// @notice Token non-existent
    error TokenNonExistent(uint256 tokenId);

    /// @notice Not an owner of the frog
    error TokenNonOwner(uint256 tokenId);

    /// @notice Using a non-zero value
    error NonZeroValue();

    constructor(address _erc721Address, address _erc20Address)
        UntransferableERC721("The Plague Staked", "sFROG")
    {
        erc721Address = _erc721Address;
        erc20Address = _erc20Address;
        setBaseURI("ipfs://QmNyaURfnPtYQzDepeEFLDxTWdJHXRBP37HwxyJUvgMSm3/");
    }

    /**
     * @notice Track deposits of an account
     * @dev Intended for off-chain computation having O(totalSupply) complexity
     * @param account - Account to query
     * @return tokenIds
     */
    function depositsOf(address account)
        external
        view
        returns (uint256[] memory)
    {
        unchecked {
            uint256 tokenIdsIdx;
            uint256 tokenIdsLength = balanceOf(account);
            uint256[] memory tokenIds = new uint256[](tokenIdsLength);
            for (uint256 i; tokenIdsIdx != tokenIdsLength; ++i) {
                if (!_exists(i)) {
                    continue;
                }
                if (ownerOf(i) == account) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            return tokenIds;
        }
    }

    /**
     * @dev Control the staking bonus for when denominator crosses
     * @param tokens - an array of intervals, denominated by {periodDenominator}
     *                 i.e. [3, 6] being respectively [3 months, 6 months] iff
     *                 {periodDenominator} = 1 month
     */
    function setBonusInterval(uint256[2] calldata tokens) external onlyOwner {
        bonusIntervals = tokens;
    }

    /**
     * @dev Adjust the emission rate (in wei)
     * @param rates - an array such that [default, bonusIntervals[0], bonusIntervals[1]
     */
    function setPeriodEmission(uint256[3] calldata rates) external onlyOwner {
        periodEmissions = rates;
    }

    /**
     * @dev Adjust the period of emission
     * @param interval - the interval, could be 1 day, 1 month, etc...
     */
    function setPeriodDenominator(uint256 interval) external onlyOwner {
        if (interval == 0) revert NonZeroValue();
        periodDenominator = interval;
    }

    /**
     * @notice Calculates the rewards for specific tokens under an address
     * @param account - account to check
     * @param tokenIds - token ids to check against
     * @return rewards
     */
    function calculateRewards(address account, uint256[] memory tokenIds)
        external
        view
        returns (uint256[] memory rewards)
    {
        rewards = new uint256[](tokenIds.length);
        for (uint256 i; i < tokenIds.length; i++) {
            rewards[i] = calculateReward(account, tokenIds[i]);
        }
        return rewards;
    }

    /**
     * @notice Calculates the rewards for specific token
     * @param account - account to check
     * @param tokenId - token id to check against
     * @return total
     */
    function calculateReward(address account, uint256 tokenId)
        public
        view
        returns (uint256 total)
    {
        if (!_exists(tokenId)) {
            revert TokenNonExistent(tokenId);
        }
        if (ownerOf(tokenId) != account) {
            revert TokenNonOwner(tokenId);
        }
        unchecked {
            // tiny gas save
            uint256 interval = periodDenominator;
            uint256 depositedAt = staked[tokenId].depositedAt;
            uint256 claimedAt = staked[tokenId].claimedAt;

            // calculate rewards since deposit
            uint256 sinceDeposit = (block.timestamp - depositedAt) / interval;
            uint256 accrued = _accruedRewards(sinceDeposit);

            // deduct all claims made to date
            if (claimedAt > depositedAt) {
                uint256 sinceClaim = (claimedAt - depositedAt) / interval;
                accrued -= _accruedRewards(sinceClaim);
            }
            return accrued;
        }
    }

    /**
     * @notice Represent the staked information of specific token ids as an array of bytes.
     *         Intended for off-chain computation.
     * @param tokenIds - token ids to check against
     * @return stakedInfoBytes
     */
    function stakedInfoOf(uint256[] memory tokenIds)
        external
        view
        returns (bytes[] memory)
    {
        bytes[] memory stakedTimes = new bytes[](tokenIds.length);
        for (uint256 i; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            stakedTimes[i] = abi.encodePacked(
                tokenId,
                staked[tokenId].depositedAt,
                staked[tokenId].claimedAt
            );
        }
        return stakedTimes;
    }

    /**
     * @dev Finds the accrued rewards for a period relative to {periodDenominator}
     * @param period - Period of time, i.e 12 [days/months/...]
     * @return Rewards
     */
    function _accruedRewards(uint256 period) private view returns (uint256) {
        return
            Math.min(bonusIntervals[0], period) *
            periodEmissions[0] +
            Math.min(
                bonusIntervals[0] > period ? 0 : period - bonusIntervals[0],
                bonusIntervals[0]
            ) *
            periodEmissions[1] +
            (bonusIntervals[1] > period ? 0 : period - bonusIntervals[1]) *
            periodEmissions[2];
    }

    /**
     * @notice Claim the rewards for the tokens
     * @param tokenIds - Array of token ids
     */
    function claimRewards(uint256[] calldata tokenIds) public {
        uint256 reward;
        for (uint256 i; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            unchecked {
                reward += calculateReward(msg.sender, tokenId);
            }
            staked[tokenId].claimedAt = block.timestamp;
        }
        if (reward > 0) {
            _safeTransferRewards(msg.sender, reward * 1e18);
        }
    }

    /**
     * @notice Deposit tokens into the contract
     * @param tokenIds - Array of token ids to stake
     */
    function deposit(uint256[] calldata tokenIds) public {
        for (uint256 i; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            staked[tokenId].depositedAt = block.timestamp;
            IERC721(erc721Address).safeTransferFrom(
                msg.sender,
                address(this),
                tokenId,
                ""
            );
            _mint(msg.sender, tokenId);
        }
    }

    /**
     * @notice Withdraw tokens from the contract
     * @param tokenIds - Array of token ids to stake
     */
    function withdraw(uint256[] calldata tokenIds) public {
        claimRewards(tokenIds);
        _withdraw(tokenIds);
    }

    /**
     * @notice Withdraw tokens from the contract without any rewards
     * @param tokenIds - Array of token ids to stake
     */
    function emergencyWithdraw(uint256[] calldata tokenIds) public {
        _withdraw(tokenIds);
    }

    /**
     * @dev Withdraw token IDs from the contract
     * @param tokenIds - Array of token ids to stake
     */
    function _withdraw(uint256[] calldata tokenIds) private {
        for (uint256 i; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            if (!_exists(tokenId)) {
                revert TokenNonExistent(tokenId);
            }
            if (ownerOf(tokenId) != msg.sender) {
                revert TokenNonOwner(tokenId);
            }
            _burn(tokenId);
            IERC721(erc721Address).safeTransferFrom(
                address(this),
                msg.sender,
                tokenId,
                ""
            );
        }
    }

    /**
     * @notice Withdraw tokens from the staking contract
     * @param amount - Amount in wei to withdraw
     */
    function withdrawTokens(uint256 amount) external onlyOwner {
        _safeTransferRewards(msg.sender, amount);
    }

    /**
     * @dev Issues tokens only if there is a sufficient balance in the contract
     * @param recipient - receiving address
     * @param amount - amount in wei to transfer
     */
    function _safeTransferRewards(address recipient, uint256 amount) private {
        uint256 balance = IERC20(erc20Address).balanceOf(address(this));
        if (amount <= balance) {
            IERC20(erc20Address).transfer(recipient, amount);
        }
    }

    /**
     * @dev Modify the ERC20 token being emitted
     * @param tokenAddress - address of token to emit
     */
    function setErc20Address(address tokenAddress) external onlyOwner {
        erc20Address = tokenAddress;
    }

    /**
     * @dev Receive ERC721 tokens
     */
    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
        return IERC721Receiver.onERC721Received.selector;
    }
}

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a / b + (a % b == 0 ? 0 : 1);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title UntransferableERC721
 * @author @lozzereth (www.allthingsweb3.com)
 * @notice An NFT implementation that cannot be transfered no matter what
 *         unless minting or burning.
 */
contract UntransferableERC721 is ERC721, Ownable {
    /// @dev Base URI for the underlying token
    string private baseURI;

    /// @dev Thrown when an approval is made while untransferable
    error Unapprovable();

    /// @dev Thrown when making an transfer while untransferable
    error Untransferable();

    constructor(string memory name_, string memory symbol_)
        ERC721(name_, symbol_)
    {}

    /**
     * @dev Prevent token transfer unless burn
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal override(ERC721) {
        if (to != address(0) && from != address(0)) {
            revert Untransferable();
        }
        super._beforeTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Prevent approvals of staked token
     */
    function approve(address, uint256) public virtual override {
        revert Unapprovable();
    }

    /**
     * @dev Prevent approval of staked token
     */
    function setApprovalForAll(address, bool) public virtual override {
        revert Unapprovable();
    }

    /**
     * @notice Set the base URI for the NFT
     */
    function setBaseURI(string memory baseURI_) public virtual onlyOwner {
        baseURI = baseURI_;
    }

    /**
     * @dev Returns the base URI
     */
    function _baseURI() internal view virtual override returns (string memory) {
        return baseURI;
    }
}

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @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.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// 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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    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");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    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");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        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

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

// 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
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_erc721Address","type":"address"},{"internalType":"address","name":"_erc20Address","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NonZeroValue","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"TokenNonExistent","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"TokenNonOwner","type":"error"},{"inputs":[],"name":"Unapprovable","type":"error"},{"inputs":[],"name":"Untransferable","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","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"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"bonusIntervals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"calculateReward","outputs":[{"internalType":"uint256","name":"total","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"calculateRewards","outputs":[{"internalType":"uint256[]","name":"rewards","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"depositsOf","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"erc20Address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"erc721Address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"periodDenominator","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"periodEmissions","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[2]","name":"tokens","type":"uint256[2]"}],"name":"setBonusInterval","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"}],"name":"setErc20Address","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"interval","type":"uint256"}],"name":"setPeriodDenominator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[3]","name":"rates","type":"uint256[3]"}],"name":"setPeriodEmission","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"staked","outputs":[{"internalType":"uint256","name":"depositedAt","type":"uint256"},{"internalType":"uint256","name":"claimedAt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"stakedInfoOf","outputs":[{"internalType":"bytes[]","name":"","type":"bytes[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x608060405234801561001057600080fd5b50600436106102775760003560e01c80635e1bef321161016057806395d89b41116100d8578063c87b56dd1161008c578063e3a9db1a11610071578063e3a9db1a14610596578063e985e9c5146105a9578063f2fde38b146105e557600080fd5b8063c87b56dd14610570578063d1941b061461058357600080fd5b80639a70c540116100bd5780639a70c5401461053c578063a22cb4651461054f578063b88d4fde1461055d57600080fd5b806395d89b4114610521578063983d95ce1461052957600080fd5b806370a082311161012f57806374e10e3f1161011457806374e10e3f146104f45780638da5cb5b146105075780639276760c1461051857600080fd5b806370a08231146104d9578063715018a6146104ec57600080fd5b80635e1bef32146104645780635eac6239146104a05780636352211e146104b3578063709d8f02146104c657600080fd5b8063276184ae116101f357806342842e0e116101c25780634a39fa80116101a75780634a39fa801461042b57806355f804b31461043e578063598b8e711461045157600080fd5b806342842e0e14610405578063472c0cac1461041857600080fd5b8063276184ae146103ac5780632764c427146103bf578063315a095d146103d2578063335e15a2146103e557600080fd5b8063095ea7b31161024a5780631852e8d91161022f5780631852e8d9146103515780632352a8641461037257806323b872dd1461039957600080fd5b8063095ea7b314610304578063150b7a021461031957600080fd5b806301ffc9a71461027c578063068c526f146102a457806306fdde03146102c4578063081812fc146102d9575b600080fd5b61028f61028a36600461206c565b6105f8565b60405190151581526020015b60405180910390f35b6102b76102b2366004612161565b61064a565b60405161029b91906121af565b6102cc6106f7565b60405161029b919061224b565b6102ec6102e736600461225e565b610789565b6040516001600160a01b03909116815260200161029b565b610317610312366004612277565b610823565b005b6103386103273660046122a1565b630a85bd0160e11b95945050505050565b6040516001600160e01b0319909116815260200161029b565b61036461035f366004612277565b61083c565b60405190815260200161029b565b6102ec7f0000000000000000000000008c3fb10693b228e8b976ff33ce88f97ce2ea956381565b6103176103a736600461233c565b610926565b6008546102ec906001600160a01b031681565b6103646103cd36600461225e565b6109b2565b6103176103e036600461225e565b6109c9565b6103f86103f3366004612378565b610a30565b60405161029b91906123ad565b61031761041336600461233c565b610b1d565b61031761042636600461240f565b610b38565b610317610439366004612437565b610ba3565b61031761044c3660046124aa565b610c1f565b61031761045f3660046124f3565b610c8c565b61048b61047236600461225e565b600f602052600090815260409020805460019091015482565b6040805192835260208301919091520161029b565b6103176104ae3660046124f3565b610d7a565b6102ec6104c136600461225e565b610dfb565b6103646104d436600461225e565b610e86565b6103646104e7366004612437565b610e96565b610317610f30565b61031761050236600461225e565b610f96565b6006546001600160a01b03166102ec565b610364600c5481565b6102cc611016565b6103176105373660046124f3565b611025565b61031761054a366004612568565b611039565b610317610312366004612598565b61031761056b3660046125cf565b6110a0565b6102cc61057e36600461225e565b61112e565b6103176105913660046124f3565b61102f565b6102b76105a4366004612437565b611217565b61028f6105b736600461264b565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b6103176105f3366004612437565b6112ed565b60006001600160e01b031982166380ac58cd60e01b148061062957506001600160e01b03198216635b5e139f60e01b145b8061064457506301ffc9a760e01b6001600160e01b03198316145b92915050565b6060815167ffffffffffffffff811115610666576106666120a5565b60405190808252806020026020018201604052801561068f578160200160208202803683370190505b50905060005b82518110156106f0576106c1848483815181106106b4576106b461267e565b602002602001015161083c565b8282815181106106d3576106d361267e565b6020908102919091010152806106e8816126aa565b915050610695565b5092915050565b606060008054610706906126c3565b80601f0160208091040260200160405190810160405280929190818152602001828054610732906126c3565b801561077f5780601f106107545761010080835404028352916020019161077f565b820191906000526020600020905b81548152906001019060200180831161076257829003601f168201915b5050505050905090565b6000818152600260205260408120546001600160a01b03166108075760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084015b60405180910390fd5b506000908152600460205260409020546001600160a01b031690565b60405163595162dd60e01b815260040160405180910390fd5b6000818152600260205260408120546001600160a01b031661087457604051631e97bf7b60e11b8152600481018390526024016107fe565b826001600160a01b031661088783610dfb565b6001600160a01b0316146108b157604051632eda401960e21b8152600481018390526024016107fe565b600c546000838152600f60205260408120805460019091015490918342849003816108de576108de6126f7565b04905060006108ec826113cc565b90508383111561091b5760008585850381610909576109096126f7565b049050610915816113cc565b82039150505b979650505050505050565b6109303382611460565b6109a25760405162461bcd60e51b815260206004820152603160248201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f60448201527f776e6572206e6f7220617070726f76656400000000000000000000000000000060648201526084016107fe565b6109ad838383611557565b505050565b600d81600281106109c257600080fd5b0154905081565b6006546001600160a01b03163314610a235760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b610a2d3382611716565b50565b60606000825167ffffffffffffffff811115610a4e57610a4e6120a5565b604051908082528060200260200182016040528015610a8157816020015b6060815260200190600190039081610a6c5790505b50905060005b83518110156106f0576000848281518110610aa457610aa461267e565b6020908102919091018101516000818152600f8352604090819020805460019091015482519485018490529184015260608301529150608001604051602081830303815290604052838381518110610afe57610afe61267e565b6020026020010181905250508080610b15906126aa565b915050610a87565b6109ad838383604051806020016040528060008152506110a0565b6006546001600160a01b03163314610b925760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b610b9f6009826003611f62565b5050565b6006546001600160a01b03163314610bfd5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b600880546001600160a01b0319166001600160a01b0392909216919091179055565b6006546001600160a01b03163314610c795760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b8051610b9f906007906020840190611fa0565b60005b818110156109ad576000838383818110610cab57610cab61267e565b602090810292909201356000818152600f909352604080842042905551635c46a7ef60e11b8152336004820152306024820152604481018290526080606482015260848101939093529250507f0000000000000000000000008c3fb10693b228e8b976ff33ce88f97ce2ea95636001600160a01b03169063b88d4fde9060a401600060405180830381600087803b158015610d4557600080fd5b505af1158015610d59573d6000803e3d6000fd5b50505050610d673382611803565b5080610d72816126aa565b915050610c8f565b6000805b82811015610dd9576000848483818110610d9a57610d9a61267e565b905060200201359050610dad338261083c565b6000918252600f6020526040909120426001909101559091019080610dd1816126aa565b915050610d7e565b5080156109ad576109ad33610df683670de0b6b3a764000061270d565b611716565b6000818152600260205260408120546001600160a01b0316806106445760405162461bcd60e51b815260206004820152602960248201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460448201527f656e7420746f6b656e000000000000000000000000000000000000000000000060648201526084016107fe565b600981600381106109c257600080fd5b60006001600160a01b038216610f145760405162461bcd60e51b815260206004820152602a60248201527f4552433732313a2062616c616e636520717565727920666f7220746865207a6560448201527f726f20616464726573730000000000000000000000000000000000000000000060648201526084016107fe565b506001600160a01b031660009081526003602052604090205490565b6006546001600160a01b03163314610f8a5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b610f946000611951565b565b6006546001600160a01b03163314610ff05760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b806000036110115760405163e320176b60e01b815260040160405180910390fd5b600c55565b606060018054610706906126c3565b61102f8282610d7a565b610b9f82826119a3565b6006546001600160a01b031633146110935760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b610b9f600d826002612014565b6110aa3383611460565b61111c5760405162461bcd60e51b815260206004820152603160248201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f60448201527f776e6572206e6f7220617070726f76656400000000000000000000000000000060648201526084016107fe565b61112884848484611af1565b50505050565b6000818152600260205260409020546060906001600160a01b03166111bb5760405162461bcd60e51b815260206004820152602f60248201527f4552433732314d657461646174613a2055524920717565727920666f72206e6f60448201527f6e6578697374656e7420746f6b656e000000000000000000000000000000000060648201526084016107fe565b60006111c5611b7a565b905060008151116111e55760405180602001604052806000815250611210565b806111ef84611b89565b60405160200161120092919061272c565b6040516020818303038152906040525b9392505050565b606060008061122584610e96565b905060008167ffffffffffffffff811115611242576112426120a5565b60405190808252806020026020018201604052801561126b578160200160208202803683370190505b50905060005b8284146112e4576000818152600260205260409020546001600160a01b0316156112dc57856001600160a01b03166112a882610dfb565b6001600160a01b0316036112dc57808285806001019650815181106112cf576112cf61267e565b6020026020010181815250505b600101611271565b50949350505050565b6006546001600160a01b031633146113475760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064016107fe565b6001600160a01b0381166113c35760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201527f646472657373000000000000000000000000000000000000000000000000000060648201526084016107fe565b610a2d81611951565b600b54600e546000919083106113ee57600e546113e9908461275b565b6113f1565b60005b6113fb919061270d565b600a54600d5461142890851061141d57600d54611418908661275b565b611420565b60005b600d54611ca2565b611432919061270d565b600954600d546114429086611ca2565b61144c919061270d565b6114569190612772565b6106449190612772565b6000818152600260205260408120546001600160a01b03166114d95760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084016107fe565b60006114e483610dfb565b9050806001600160a01b0316846001600160a01b0316148061151f5750836001600160a01b031661151484610789565b6001600160a01b0316145b8061154f57506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff165b949350505050565b826001600160a01b031661156a82610dfb565b6001600160a01b0316146115e65760405162461bcd60e51b815260206004820152602960248201527f4552433732313a207472616e73666572206f6620746f6b656e2074686174206960448201527f73206e6f74206f776e000000000000000000000000000000000000000000000060648201526084016107fe565b6001600160a01b0382166116485760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b60648201526084016107fe565b611653838383611cb8565b61165e600082611cf6565b6001600160a01b038316600090815260036020526040812080546001929061168790849061275b565b90915550506001600160a01b03821660009081526003602052604081208054600192906116b5908490612772565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b6008546040516370a0823160e01b81523060048201526000916001600160a01b0316906370a0823190602401602060405180830381865afa15801561175f573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190611783919061278a565b90508082116109ad5760085460405163a9059cbb60e01b81526001600160a01b038581166004830152602482018590529091169063a9059cbb906044016020604051808303816000875af11580156117df573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061112891906127a3565b6001600160a01b0382166118595760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f206164647265737360448201526064016107fe565b6000818152600260205260409020546001600160a01b0316156118be5760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e7465640000000060448201526064016107fe565b6118ca60008383611cb8565b6001600160a01b03821660009081526003602052604081208054600192906118f3908490612772565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b60005b818110156109ad5760008383838181106119c2576119c261267e565b9050602002013590506119ec816000908152600260205260409020546001600160a01b0316151590565b611a0c57604051631e97bf7b60e11b8152600481018290526024016107fe565b33611a1682610dfb565b6001600160a01b031614611a4057604051632eda401960e21b8152600481018290526024016107fe565b611a4981611d64565b604051635c46a7ef60e11b81523060048201523360248201526044810182905260806064820152600060848201527f0000000000000000000000008c3fb10693b228e8b976ff33ce88f97ce2ea95636001600160a01b03169063b88d4fde9060a401600060405180830381600087803b158015611ac557600080fd5b505af1158015611ad9573d6000803e3d6000fd5b50505050508080611ae9906126aa565b9150506119a6565b611afc848484611557565b611b0884848484611e0b565b6111285760405162461bcd60e51b815260206004820152603260248201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560448201527f63656976657220696d706c656d656e746572000000000000000000000000000060648201526084016107fe565b606060078054610706906126c3565b606081600003611bb05750506040805180820190915260018152600360fc1b602082015290565b8160005b8115611bda5780611bc4816126aa565b9150611bd39050600a836127c0565b9150611bb4565b60008167ffffffffffffffff811115611bf557611bf56120a5565b6040519080825280601f01601f191660200182016040528015611c1f576020820181803683370190505b5090505b841561154f57611c3460018361275b565b9150611c41600a866127d4565b611c4c906030612772565b60f81b818381518110611c6157611c6161267e565b60200101907effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916908160001a905350611c9b600a866127c0565b9450611c23565b6000818310611cb15781611210565b5090919050565b6001600160a01b03821615801590611cd857506001600160a01b03831615155b156109ad5760405163072b78c760e01b815260040160405180910390fd5b600081815260046020526040902080546001600160a01b0319166001600160a01b0384169081179091558190611d2b82610dfb565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b6000611d6f82610dfb565b9050611d7d81600084611cb8565b611d88600083611cf6565b6001600160a01b0381166000908152600360205260408120805460019290611db190849061275b565b909155505060008281526002602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b60006001600160a01b0384163b15611f5757604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290611e4f9033908990889088906004016127e8565b6020604051808303816000875af1925050508015611e8a575060408051601f3d908101601f19168201909252611e8791810190612824565b60015b611f3d573d808015611eb8576040519150601f19603f3d011682016040523d82523d6000602084013e611ebd565b606091505b508051600003611f355760405162461bcd60e51b815260206004820152603260248201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560448201527f63656976657220696d706c656d656e746572000000000000000000000000000060648201526084016107fe565b805181602001fd5b6001600160e01b031916630a85bd0160e11b14905061154f565b506001949350505050565b8260038101928215611f90579160200282015b82811115611f90578235825591602001919060010190611f75565b50611f9c929150612041565b5090565b828054611fac906126c3565b90600052602060002090601f016020900481019282611fce5760008555611f90565b82601f10611fe757805160ff1916838001178555611f90565b82800160010185558215611f90579182015b82811115611f90578251825591602001919060010190611ff9565b8260028101928215611f905791602002820182811115611f90578235825591602001919060010190611f75565b5b80821115611f9c5760008155600101612042565b6001600160e01b031981168114610a2d57600080fd5b60006020828403121561207e57600080fd5b813561121081612056565b80356001600160a01b03811681146120a057600080fd5b919050565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff811182821017156120e4576120e46120a5565b604052919050565b600082601f8301126120fd57600080fd5b8135602067ffffffffffffffff821115612119576121196120a5565b8160051b6121288282016120bb565b928352848101820192828101908785111561214257600080fd5b83870192505b8483101561091b57823582529183019190830190612148565b6000806040838503121561217457600080fd5b61217d83612089565b9150602083013567ffffffffffffffff81111561219957600080fd5b6121a5858286016120ec565b9150509250929050565b6020808252825182820181905260009190848201906040850190845b818110156121e7578351835292840192918401916001016121cb565b50909695505050505050565b60005b8381101561220e5781810151838201526020016121f6565b838111156111285750506000910152565b600081518084526122378160208601602086016121f3565b601f01601f19169290920160200192915050565b602081526000611210602083018461221f565b60006020828403121561227057600080fd5b5035919050565b6000806040838503121561228a57600080fd5b61229383612089565b946020939093013593505050565b6000806000806000608086880312156122b957600080fd5b6122c286612089565b94506122d060208701612089565b935060408601359250606086013567ffffffffffffffff808211156122f457600080fd5b818801915088601f83011261230857600080fd5b81358181111561231757600080fd5b89602082850101111561232957600080fd5b9699959850939650602001949392505050565b60008060006060848603121561235157600080fd5b61235a84612089565b925061236860208501612089565b9150604084013590509250925092565b60006020828403121561238a57600080fd5b813567ffffffffffffffff8111156123a157600080fd5b61154f848285016120ec565b6000602080830181845280855180835260408601915060408160051b870101925083870160005b8281101561240257603f198886030184526123f085835161221f565b945092850192908501906001016123d4565b5092979650505050505050565b60006060828403121561242157600080fd5b8260608301111561243157600080fd5b50919050565b60006020828403121561244957600080fd5b61121082612089565b600067ffffffffffffffff83111561246c5761246c6120a5565b61247f601f8401601f19166020016120bb565b905082815283838301111561249357600080fd5b828260208301376000602084830101529392505050565b6000602082840312156124bc57600080fd5b813567ffffffffffffffff8111156124d357600080fd5b8201601f810184136124e457600080fd5b61154f84823560208401612452565b6000806020838503121561250657600080fd5b823567ffffffffffffffff8082111561251e57600080fd5b818501915085601f83011261253257600080fd5b81358181111561254157600080fd5b8660208260051b850101111561255657600080fd5b60209290920196919550909350505050565b60006040828403121561257a57600080fd5b8260408301111561243157600080fd5b8015158114610a2d57600080fd5b600080604083850312156125ab57600080fd5b6125b483612089565b915060208301356125c48161258a565b809150509250929050565b600080600080608085870312156125e557600080fd5b6125ee85612089565b93506125fc60208601612089565b925060408501359150606085013567ffffffffffffffff81111561261f57600080fd5b8501601f8101871361263057600080fd5b61263f87823560208401612452565b91505092959194509250565b6000806040838503121561265e57600080fd5b61266783612089565b915061267560208401612089565b90509250929050565b634e487b7160e01b600052603260045260246000fd5b634e487b7160e01b600052601160045260246000fd5b6000600182016126bc576126bc612694565b5060010190565b600181811c908216806126d757607f821691505b60208210810361243157634e487b7160e01b600052602260045260246000fd5b634e487b7160e01b600052601260045260246000fd5b600081600019048311821515161561272757612727612694565b500290565b6000835161273e8184602088016121f3565b8351908301906127528183602088016121f3565b01949350505050565b60008282101561276d5761276d612694565b500390565b6000821982111561278557612785612694565b500190565b60006020828403121561279c57600080fd5b5051919050565b6000602082840312156127b557600080fd5b81516112108161258a565b6000826127cf576127cf6126f7565b500490565b6000826127e3576127e36126f7565b500690565b60006001600160a01b0380871683528086166020840152508360408301526080606083015261281a608083018461221f565b9695505050505050565b60006020828403121561283657600080fd5b81516112108161205656fea264697066735822122013fc52aebb70e33f99b3a012cdf5fb4c2f71fa850c3f4d6f9442deb5e38288cf64736f6c634300080d0033

0000000000000000000000008c3fb10693b228e8b976ff33ce88f97ce2ea9563000000000000000000000000726516b20c4692a6bea3900971a37e0ccf7a6bff

-----Decoded View---------------
Arg [0] : _erc721Address (address): 0x8c3FB10693B228E8b976FF33cE88f97Ce2EA9563
Arg [1] : _erc20Address (address): 0x726516B20c4692a6beA3900971a37e0cCf7A6BFf

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000008c3fb10693b228e8b976ff33ce88f97ce2ea9563
Arg [1] : 000000000000000000000000726516b20c4692a6bea3900971a37e0ccf7a6bff