ETH Price: $3,843.44 (+5.86%)

Contract

0xA22e2F53CA787414Dc0643C399F92234949e2305
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Set Approval For...213207772024-12-03 8:27:118 days ago1733214431IN
0xA22e2F53...4949e2305
0 ETH0.0004313916.39091274
Set Approval For...213207712024-12-03 8:25:598 days ago1733214359IN
0xA22e2F53...4949e2305
0 ETH0.0007591516.42512388
Mint Genesis213207482024-12-03 8:21:238 days ago1733214083IN
0xA22e2F53...4949e2305
0 ETH0.0024800614.27664644
Set Approval For...213110552024-12-01 23:49:599 days ago1733096999IN
0xA22e2F53...4949e2305
0 ETH0.0003989615.15895902
Set Approval For...212085262024-11-17 16:08:5924 days ago1731859739IN
0xA22e2F53...4949e2305
0 ETH0.000343913.06698196
Mint Genesis211609092024-11-11 0:38:5930 days ago1731285539IN
0xA22e2F53...4949e2305
0 ETH0.0028390116.0837204
Set Approval For...209951412024-10-18 21:29:1154 days ago1729286951IN
0xA22e2F53...4949e2305
0 ETH0.0006639514.39147298
Set Approval For...209525492024-10-12 22:37:3560 days ago1728772655IN
0xA22e2F53...4949e2305
0 ETH0.000344697.47151321
Mint209521162024-10-12 21:10:3560 days ago1728767435IN
0xA22e2F53...4949e2305
0 ETH0.001468388.25977401
Mint207778952024-09-18 13:52:2384 days ago1726667543IN
0xA22e2F53...4949e2305
0 ETH0.001351167.60041077
Mint207370952024-09-12 21:04:3590 days ago1726175075IN
0xA22e2F53...4949e2305
0 ETH0.000683213.90466905
Set Approval For...207227742024-09-10 21:03:5992 days ago1726002239IN
0xA22e2F53...4949e2305
0 ETH0.000155915.92403681
Mint207027622024-09-08 1:59:3594 days ago1725760775IN
0xA22e2F53...4949e2305
0 ETH0.000711361.35725483
Mint206919352024-09-06 13:45:1196 days ago1725630311IN
0xA22e2F53...4949e2305
0 ETH0.005363930.17242698
Mint Genesis206295242024-08-28 20:38:23105 days ago1724877503IN
0xA22e2F53...4949e2305
0 ETH0.000896064.94202947
Transfer From206275872024-08-28 14:08:59105 days ago1724854139IN
0xA22e2F53...4949e2305
0 ETH0.000326533.7725651
Transfer From206275822024-08-28 14:07:59105 days ago1724854079IN
0xA22e2F53...4949e2305
0 ETH0.000271543.65689582
Transfer From206275792024-08-28 14:07:23105 days ago1724854043IN
0xA22e2F53...4949e2305
0 ETH0.000401434.14491102
Transfer From206275752024-08-28 14:06:35105 days ago1724853995IN
0xA22e2F53...4949e2305
0 ETH0.000416514.30064687
Transfer From206275712024-08-28 14:05:47105 days ago1724853947IN
0xA22e2F53...4949e2305
0 ETH0.000351154.15326261
Transfer From206275682024-08-28 14:05:11105 days ago1724853911IN
0xA22e2F53...4949e2305
0 ETH0.000368674.36038688
Transfer From206275652024-08-28 14:04:35105 days ago1724853875IN
0xA22e2F53...4949e2305
0 ETH0.000354484.19258244
Transfer From206275592024-08-28 14:03:23105 days ago1724853803IN
0xA22e2F53...4949e2305
0 ETH0.00038694.57609977
Transfer From206275552024-08-28 14:02:35105 days ago1724853755IN
0xA22e2F53...4949e2305
0 ETH0.000316963.74890231
Transfer From206275492024-08-28 14:01:11105 days ago1724853671IN
0xA22e2F53...4949e2305
0 ETH0.000265483.13997108
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
EthereumIslands

Compiler Version
v0.8.12+commit.f00d7308

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 17 : EthereumIslands.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import "./IslandBase.sol";

contract EthereumIslands is IslandBase {
    uint256 public genesisMintIndex;
    uint256 public genesisMintPrice = 1000000 * 10**18;

    IERC20Burnable public pmlg;

    constructor(
        IERC20Burnable pml,
        IMetadataStorage metadataStorage,
        IERC20Burnable _pmlg
    ) IslandBase("Grassland Archipelago", "PGA", pml, metadataStorage) {
        pmlg = _pmlg;
    }

    // @notice mint genesis islands with PMLG tokens
    function mintGenesis(uint256 amount) external {
        if (genesisMintIndex + amount > genesisLimit) revert MintWouldExceedLimit();

        pmlg.burnFrom(msg.sender, amount * genesisMintPrice);

        uint256 newMintIndex = genesisMintIndex;
        for (uint256 i = 0; i < amount; i++) {
            ++newMintIndex;
            _safeMint(msg.sender, newMintIndex);
        }
        genesisMintIndex = newMintIndex;
    }

    // ------------------
    // Setter
    // ------------------

    function setGenesisMintPrice(uint256 _genesisMintPrice) external onlyOwner {
        genesisMintPrice = _genesisMintPrice;
    }
}

File 2 of 17 : IslandBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./MetadataStorage.sol";
import "../ERC-20/IERC20Burnable.sol";

contract IslandBase is ERC721Enumerable, Ownable {
    uint256 public constant GENESIS_FALLBACK_ID = 10000000;
    uint256 public constant FALLBACK_ID = 20000000;

    bool public burnIsActive;

    // @dev max mintable genesis Islands
    uint256 public genesisLimit = 1000;

    uint256 public mintIndex = genesisLimit;
    // @dev max mintable "non-genesis" Islands
    uint256 public limit = 3000;
    uint256 public mintPrice = 100000 * 10**18;

    IERC20Burnable public pml;

    IMetadataStorage public metadataStorage;

    // @dev occurs when a mint function is called and the current supply + the amount would exceed the limit
    error MintWouldExceedLimit();
    // @dev occurs when the burn function is called when the burning functionality is inactive
    error BurnNotActive();
    // @dev occurs if anything is to be done with the token for which the sender must be the owner or approved by the
    // owner and the sender does not match any of these criteria
    error NotTheOwnerOrApproved(uint256 tokenId);

    constructor(
        string memory name,
        string memory symbol,
        IERC20Burnable _pml,
        IMetadataStorage _metadataStorage
    ) ERC721(name, symbol) {
        pml = _pml;
        metadataStorage = _metadataStorage;
    }

    // @notice mint "non-genesis" islands
    function mint(uint256 amount) external {
        if (mintIndex + amount > limit + genesisLimit) revert MintWouldExceedLimit();
        pml.burnFrom(msg.sender, amount * mintPrice);
        uint256 newMintIndex = mintIndex;
        for (uint256 i = 0; i < amount; i++) {
            ++newMintIndex;
            _safeMint(msg.sender, newMintIndex);
        }
        mintIndex = newMintIndex;
    }

    // @notice tokens can only be burned is the flag burnIsActive is set to true
    function burn(uint256 tokenId) external {
        if (!burnIsActive) revert BurnNotActive();
        if (!_isApprovedOrOwner(msg.sender, tokenId)) revert NotTheOwnerOrApproved(tokenId);
        _burn(tokenId);
    }

    function tokensOfOwner(address owner) external view returns (uint256[] memory) {
        uint256 tokenCount = balanceOf(owner);
        if (tokenCount == 0) {
            return new uint256[](0);
        } else {
            uint256[] memory result = new uint256[](tokenCount);
            for (uint256 i; i < tokenCount; i++) {
                result[i] = tokenOfOwnerByIndex(owner, i);
            }
            return result;
        }
    }

    // ------------------
    // Explicit overrides
    // ------------------

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);
    }

    function _burn(uint256 tokenId) internal virtual override {
        super._burn(tokenId);
    }

    // @notice get the BASE64 encoded metadata from a OnChainMetadataStorage contract on chain.
    // @dev if the metadata is not stored under the ID, a fallback is used: genesis 1000000, "non-genesis" 2000000
    // @return the metadata BASE64 encoded.
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        uint256 fallbackId = tokenId <= genesisLimit ? GENESIS_FALLBACK_ID : FALLBACK_ID;
        return metadataStorage.getMetadata(tokenId, fallbackId);
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    // ------------------
    // Setter
    // ------------------

    function toggleBurnState() external onlyOwner {
        burnIsActive = !burnIsActive;
    }

    function setMetadataStorage(IMetadataStorage _metadataStorage) external onlyOwner {
        metadataStorage = _metadataStorage;
    }

    function setLimit(uint256 _limit) external onlyOwner {
        limit = _limit;
    }

    function setMintPrice(uint256 _mintPrice) external onlyOwner {
        mintPrice = _mintPrice;
    }
}

File 3 of 17 : ERC721URIStorage.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721URIStorage.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";

/**
 * @dev ERC721 token with storage based token URI management.
 */
abstract contract ERC721URIStorage is ERC721 {
    using Strings for uint256;

    // Optional mapping for token URIs
    mapping(uint256 => string) private _tokenURIs;

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = _baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }

        return super.tokenURI(tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @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 override {
        super._burn(tokenId);

        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }
    }
}

File 4 of 17 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @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` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * 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 override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

File 5 of 17 : Ownable.sol
// 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);
    }
}

File 6 of 17 : MetadataStorage.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

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

interface IMetadataStorage {
    function getMetadata(uint256 id, uint256 fallbackId) external view returns (string memory);
}

contract MetadataStorage is IMetadataStorage, Ownable {
    mapping(uint256 => string) private _idToMetadata;

    // solhint-disable-next-line no-empty-blocks
    constructor() {
        // nothing to do
    }

    function getMetadata(uint256 id, uint256 fallbackId) external view returns (string memory) {
        if (keccak256(abi.encodePacked(_idToMetadata[id])) == keccak256("")) {
            return _idToMetadata[fallbackId];
        } else {
            return _idToMetadata[id];
        }
    }

    function setMetadata(uint256 id, string memory metadata) external onlyOwner {
        _idToMetadata[id] = metadata;
    }
}

File 7 of 17 : IERC20Burnable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.12;

interface IERC20Burnable {
    function burnFrom(address account, uint256 amount) external;
}

File 8 of 17 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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);

        _afterTokenTransfer(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);

        _afterTokenTransfer(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 from incorrect owner");
        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);

        _afterTokenTransfer(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 {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 9 of 17 : IERC721.sol
// 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;
}

File 10 of 17 : IERC721Receiver.sol
// 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);
}

File 11 of 17 : IERC721Metadata.sol
// 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);
}

File 12 of 17 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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);
            }
        }
    }
}

File 13 of 17 : Context.sol
// 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;
    }
}

File 14 of 17 : Strings.sol
// 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);
    }
}

File 15 of 17 : ERC165.sol
// 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;
    }
}

File 16 of 17 : IERC165.sol
// 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);
}

File 17 of 17 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IERC20Burnable","name":"pml","type":"address"},{"internalType":"contract IMetadataStorage","name":"metadataStorage","type":"address"},{"internalType":"contract IERC20Burnable","name":"_pmlg","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"BurnNotActive","type":"error"},{"inputs":[],"name":"MintWouldExceedLimit","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"NotTheOwnerOrApproved","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":[],"name":"FALLBACK_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"GENESIS_FALLBACK_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","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":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"burnIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"genesisLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"genesisMintIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"genesisMintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"limit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"metadataStorage","outputs":[{"internalType":"contract IMetadataStorage","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mintGenesis","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":"pml","outputs":[{"internalType":"contract IERC20Burnable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pmlg","outputs":[{"internalType":"contract IERC20Burnable","name":"","type":"address"}],"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":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_genesisMintPrice","type":"uint256"}],"name":"setGenesisMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"setLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IMetadataStorage","name":"_metadataStorage","type":"address"}],"name":"setMetadataStorage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"setMintPrice","outputs":[],"stateMutability":"nonpayable","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":[],"name":"toggleBurnState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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"}]

60806040526103e8600b55600b54600c55610bb8600d5569152d02c7e14af6800000600e5569d3c21bcecceda10000006012553480156200003f57600080fd5b506040516200236a3803806200236a833981016040819052620000629162000264565b6040518060400160405280601581526020017f47726173736c616e6420417263686970656c61676f00000000000000000000008152506040518060400160405280600381526020016250474160e81b815250848483838160009080519060200190620000d0929190620001a5565b508051620000e6906001906020840190620001a5565b50505062000103620000fd6200014f60201b60201c565b62000153565b600f80546001600160a01b039384166001600160a01b0319918216179091556010805492841692821692909217909155601380549590921694169390931790925550620002f592505050565b3390565b600a80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b828054620001b390620002b8565b90600052602060002090601f016020900481019282620001d7576000855562000222565b82601f10620001f257805160ff191683800117855562000222565b8280016001018555821562000222579182015b828111156200022257825182559160200191906001019062000205565b506200023092915062000234565b5090565b5b8082111562000230576000815560010162000235565b6001600160a01b03811681146200026157600080fd5b50565b6000806000606084860312156200027a57600080fd5b835162000287816200024b565b60208501519093506200029a816200024b565b6040850151909250620002ad816200024b565b809150509250925092565b600181811c90821680620002cd57607f821691505b60208210811415620002ef57634e487b7160e01b600052602260045260246000fd5b50919050565b61206580620003056000396000f3fe608060405234801561001057600080fd5b50600436106102485760003560e01c80638462151c1161013b578063be99aaa7116100b8578063eabe51ad1161007c578063eabe51ad146104f4578063f2fde38b14610507578063f4a0a5281461051a578063f74f9bfd1461052d578063f921b04d1461053657600080fd5b8063be99aaa714610477578063c87b56dd1461047f578063dff6324314610492578063e324740d146104a5578063e985e9c5146104b857600080fd5b8063a0712d68116100ff578063a0712d681461042c578063a22cb4651461043f578063a4d66daf14610452578063aa0974c11461045b578063b88d4fde1461046457600080fd5b80638462151c146103d55780638da5cb5b146103f5578063915fd5f91461040657806395d89b41146104115780639d2c27d81461041957600080fd5b8063413234ad116101c957806366caa6ab1161018d57806366caa6ab1461038a5780636817c76c1461039e5780636b539032146103a757806370a08231146103ba578063715018a6146103cd57600080fd5b8063413234ad1461033557806342842e0e1461033e57806342966c68146103515780634f6ccce7146103645780636352211e1461037757600080fd5b806310f1d9d81161021057806310f1d9d8146102e157806318160ddd146102f457806323b872dd146102fc57806327ea6f2b1461030f5780632f745c591461032257600080fd5b806301ffc9a71461024d57806306fdde0314610275578063081812fc1461028a578063095ea7b3146102b55780630e635b83146102ca575b600080fd5b61026061025b366004611a98565b610540565b60405190151581526020015b60405180910390f35b61027d61056b565b60405161026c9190611b0d565b61029d610298366004611b20565b6105fd565b6040516001600160a01b03909116815260200161026c565b6102c86102c3366004611b4e565b610697565b005b6102d3600b5481565b60405190815260200161026c565b6102c86102ef366004611b7a565b6107ad565b6008546102d3565b6102c861030a366004611b97565b6107f9565b6102c861031d366004611b20565b61082a565b6102d3610330366004611b4e565b610859565b6102d360125481565b6102c861034c366004611b97565b6108ef565b6102c861035f366004611b20565b61090a565b6102d3610372366004611b20565b61096a565b61029d610385366004611b20565b6109fd565b600a5461026090600160a01b900460ff1681565b6102d3600e5481565b6102c86103b5366004611b20565b610a74565b6102d36103c8366004611b7a565b610aa3565b6102c8610b2a565b6103e86103e3366004611b7a565b610b60565b60405161026c9190611bd8565b600a546001600160a01b031661029d565b6102d36301312d0081565b61027d610c1f565b60135461029d906001600160a01b031681565b6102c861043a366004611b20565b610c2e565b6102c861044d366004611c1c565b610d2b565b6102d3600d5481565b6102d360115481565b6102c8610472366004611cc9565b610d3a565b6102c8610d72565b61027d61048d366004611b20565b610dbd565b6102c86104a0366004611b20565b610e5a565b600f5461029d906001600160a01b031681565b6102606104c6366004611d78565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b60105461029d906001600160a01b031681565b6102c8610515366004611b7a565b610f4a565b6102c8610528366004611b20565b610fe2565b6102d3600c5481565b6102d36298968081565b60006001600160e01b0319821663780e9d6360e01b1480610565575061056582611011565b92915050565b60606000805461057a90611da6565b80601f01602080910402602001604051908101604052809291908181526020018280546105a690611da6565b80156105f35780601f106105c8576101008083540402835291602001916105f3565b820191906000526020600020905b8154815290600101906020018083116105d657829003601f168201915b5050505050905090565b6000818152600260205260408120546001600160a01b031661067b5760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084015b60405180910390fd5b506000908152600460205260409020546001600160a01b031690565b60006106a2826109fd565b9050806001600160a01b0316836001600160a01b031614156107105760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b6064820152608401610672565b336001600160a01b038216148061072c575061072c81336104c6565b61079e5760405162461bcd60e51b815260206004820152603860248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f7760448201527f6e6572206e6f7220617070726f76656420666f7220616c6c00000000000000006064820152608401610672565b6107a88383611036565b505050565b600a546001600160a01b031633146107d75760405162461bcd60e51b815260040161067290611ddb565b601080546001600160a01b0319166001600160a01b0392909216919091179055565b61080333826110a4565b61081f5760405162461bcd60e51b815260040161067290611e10565b6107a883838361119b565b600a546001600160a01b031633146108545760405162461bcd60e51b815260040161067290611ddb565b600d55565b600061086483610aa3565b82106108c65760405162461bcd60e51b815260206004820152602b60248201527f455243373231456e756d657261626c653a206f776e657220696e646578206f7560448201526a74206f6620626f756e647360a81b6064820152608401610672565b506001600160a01b03919091166000908152600660209081526040808320938352929052205490565b6107a883838360405180602001604052806000815250610d3a565b600a54600160a01b900460ff1661093457604051636607f2c960e11b815260040160405180910390fd5b61093e33826110a4565b61095e576040516314faa17760e01b815260048101829052602401610672565b61096781611342565b50565b600061097560085490565b82106109d85760405162461bcd60e51b815260206004820152602c60248201527f455243373231456e756d657261626c653a20676c6f62616c20696e646578206f60448201526b7574206f6620626f756e647360a01b6064820152608401610672565b600882815481106109eb576109eb611e61565b90600052602060002001549050919050565b6000818152600260205260408120546001600160a01b0316806105655760405162461bcd60e51b815260206004820152602960248201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460448201526832b73a103a37b5b2b760b91b6064820152608401610672565b600a546001600160a01b03163314610a9e5760405162461bcd60e51b815260040161067290611ddb565b601255565b60006001600160a01b038216610b0e5760405162461bcd60e51b815260206004820152602a60248201527f4552433732313a2062616c616e636520717565727920666f7220746865207a65604482015269726f206164647265737360b01b6064820152608401610672565b506001600160a01b031660009081526003602052604090205490565b600a546001600160a01b03163314610b545760405162461bcd60e51b815260040161067290611ddb565b610b5e600061134b565b565b60606000610b6d83610aa3565b905080610b8e5760408051600080825260208201909252905b509392505050565b60008167ffffffffffffffff811115610ba957610ba9611c5a565b604051908082528060200260200182016040528015610bd2578160200160208202803683370190505b50905060005b82811015610b8657610bea8582610859565b828281518110610bfc57610bfc611e61565b602090810291909101015280610c1181611e8d565b915050610bd8565b50919050565b60606001805461057a90611da6565b600b54600d54610c3e9190611ea8565b81600c54610c4c9190611ea8565b1115610c6b576040516369f5830d60e01b815260040160405180910390fd5b600f54600e546001600160a01b03909116906379cc6790903390610c8f9085611ec0565b6040516001600160e01b031960e085901b1681526001600160a01b0390921660048301526024820152604401600060405180830381600087803b158015610cd557600080fd5b505af1158015610ce9573d6000803e3d6000fd5b5050600c549150600090505b82811015610d2457610d0682611e8d565b9150610d12338361139d565b80610d1c81611e8d565b915050610cf5565b50600c5550565b610d363383836113b7565b5050565b610d4433836110a4565b610d605760405162461bcd60e51b815260040161067290611e10565b610d6c84848484611486565b50505050565b600a546001600160a01b03163314610d9c5760405162461bcd60e51b815260040161067290611ddb565b600a805460ff60a01b198116600160a01b9182900460ff1615909102179055565b60606000600b54831115610dd5576301312d00610dda565b629896805b601054604051631d1dfbe960e21b815260048101869052602481018390529192506001600160a01b031690637477efa490604401600060405180830381865afa158015610e2b573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f19168201604052610e539190810190611edf565b9392505050565b600b5481601154610e6b9190611ea8565b1115610e8a576040516369f5830d60e01b815260040160405180910390fd5b6013546012546001600160a01b03909116906379cc6790903390610eae9085611ec0565b6040516001600160e01b031960e085901b1681526001600160a01b0390921660048301526024820152604401600060405180830381600087803b158015610ef457600080fd5b505af1158015610f08573d6000803e3d6000fd5b50506011549150600090505b82811015610f4357610f2582611e8d565b9150610f31338361139d565b80610f3b81611e8d565b915050610f14565b5060115550565b600a546001600160a01b03163314610f745760405162461bcd60e51b815260040161067290611ddb565b6001600160a01b038116610fd95760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610672565b6109678161134b565b600a546001600160a01b0316331461100c5760405162461bcd60e51b815260040161067290611ddb565b600e55565b60006001600160e01b0319821663780e9d6360e01b14806105655750610565826114b9565b600081815260046020526040902080546001600160a01b0319166001600160a01b038416908117909155819061106b826109fd565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b6000818152600260205260408120546001600160a01b031661111d5760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b6064820152608401610672565b6000611128836109fd565b9050806001600160a01b0316846001600160a01b031614806111635750836001600160a01b0316611158846105fd565b6001600160a01b0316145b8061119357506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff165b949350505050565b826001600160a01b03166111ae826109fd565b6001600160a01b0316146112125760405162461bcd60e51b815260206004820152602560248201527f4552433732313a207472616e736665722066726f6d20696e636f72726563742060448201526437bbb732b960d91b6064820152608401610672565b6001600160a01b0382166112745760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b6064820152608401610672565b61127f838383611509565b61128a600082611036565b6001600160a01b03831660009081526003602052604081208054600192906112b3908490611f56565b90915550506001600160a01b03821660009081526003602052604081208054600192906112e1908490611ea8565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b61096781611514565b600a80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b610d368282604051806020016040528060008152506115bb565b816001600160a01b0316836001600160a01b031614156114195760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c6572000000000000006044820152606401610672565b6001600160a01b03838116600081815260056020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b61149184848461119b565b61149d848484846115ee565b610d6c5760405162461bcd60e51b815260040161067290611f6d565b60006001600160e01b031982166380ac58cd60e01b14806114ea57506001600160e01b03198216635b5e139f60e01b145b8061056557506301ffc9a760e01b6001600160e01b0319831614610565565b6107a88383836116ec565b600061151f826109fd565b905061152d81600084611509565b611538600083611036565b6001600160a01b0381166000908152600360205260408120805460019290611561908490611f56565b909155505060008281526002602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b6115c583836117a4565b6115d260008484846115ee565b6107a85760405162461bcd60e51b815260040161067290611f6d565b60006001600160a01b0384163b156116e157604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290611632903390899088908890600401611fbf565b6020604051808303816000875af192505050801561166d575060408051601f3d908101601f1916820190925261166a91810190611ffc565b60015b6116c7573d80801561169b576040519150601f19603f3d011682016040523d82523d6000602084013e6116a0565b606091505b5080516116bf5760405162461bcd60e51b815260040161067290611f6d565b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050611193565b506001949350505050565b6001600160a01b0383166117475761174281600880546000838152600960205260408120829055600182018355919091527ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee30155565b61176a565b816001600160a01b0316836001600160a01b03161461176a5761176a83826118f2565b6001600160a01b038216611781576107a88161198f565b826001600160a01b0316826001600160a01b0316146107a8576107a88282611a3e565b6001600160a01b0382166117fa5760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f20616464726573736044820152606401610672565b6000818152600260205260409020546001600160a01b03161561185f5760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e746564000000006044820152606401610672565b61186b60008383611509565b6001600160a01b0382166000908152600360205260408120805460019290611894908490611ea8565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b600060016118ff84610aa3565b6119099190611f56565b60008381526007602052604090205490915080821461195c576001600160a01b03841660009081526006602090815260408083208584528252808320548484528184208190558352600790915290208190555b5060009182526007602090815260408084208490556001600160a01b039094168352600681528383209183525290812055565b6008546000906119a190600190611f56565b600083815260096020526040812054600880549394509092849081106119c9576119c9611e61565b9060005260206000200154905080600883815481106119ea576119ea611e61565b6000918252602080832090910192909255828152600990915260408082208490558582528120556008805480611a2257611a22612019565b6001900381819060005260206000200160009055905550505050565b6000611a4983610aa3565b6001600160a01b039093166000908152600660209081526040808320868452825280832085905593825260079052919091209190915550565b6001600160e01b03198116811461096757600080fd5b600060208284031215611aaa57600080fd5b8135610e5381611a82565b60005b83811015611ad0578181015183820152602001611ab8565b83811115610d6c5750506000910152565b60008151808452611af9816020860160208601611ab5565b601f01601f19169290920160200192915050565b602081526000610e536020830184611ae1565b600060208284031215611b3257600080fd5b5035919050565b6001600160a01b038116811461096757600080fd5b60008060408385031215611b6157600080fd5b8235611b6c81611b39565b946020939093013593505050565b600060208284031215611b8c57600080fd5b8135610e5381611b39565b600080600060608486031215611bac57600080fd5b8335611bb781611b39565b92506020840135611bc781611b39565b929592945050506040919091013590565b6020808252825182820181905260009190848201906040850190845b81811015611c1057835183529284019291840191600101611bf4565b50909695505050505050565b60008060408385031215611c2f57600080fd5b8235611c3a81611b39565b915060208301358015158114611c4f57600080fd5b809150509250929050565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff81118282101715611c9957611c99611c5a565b604052919050565b600067ffffffffffffffff821115611cbb57611cbb611c5a565b50601f01601f191660200190565b60008060008060808587031215611cdf57600080fd5b8435611cea81611b39565b93506020850135611cfa81611b39565b925060408501359150606085013567ffffffffffffffff811115611d1d57600080fd5b8501601f81018713611d2e57600080fd5b8035611d41611d3c82611ca1565b611c70565b818152886020838501011115611d5657600080fd5b8160208401602083013760006020838301015280935050505092959194509250565b60008060408385031215611d8b57600080fd5b8235611d9681611b39565b91506020830135611c4f81611b39565b600181811c90821680611dba57607f821691505b60208210811415610c1957634e487b7160e01b600052602260045260246000fd5b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60208082526031908201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f6040820152701ddb995c881b9bdc88185c1c1c9bdd9959607a1b606082015260800190565b634e487b7160e01b600052603260045260246000fd5b634e487b7160e01b600052601160045260246000fd5b6000600019821415611ea157611ea1611e77565b5060010190565b60008219821115611ebb57611ebb611e77565b500190565b6000816000190483118215151615611eda57611eda611e77565b500290565b600060208284031215611ef157600080fd5b815167ffffffffffffffff811115611f0857600080fd5b8201601f81018413611f1957600080fd5b8051611f27611d3c82611ca1565b818152856020838501011115611f3c57600080fd5b611f4d826020830160208601611ab5565b95945050505050565b600082821015611f6857611f68611e77565b500390565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611ff290830184611ae1565b9695505050505050565b60006020828403121561200e57600080fd5b8151610e5381611a82565b634e487b7160e01b600052603160045260246000fdfea2646970667358221220e18173350a6fb2cdfbd50dba166f167a4563884d003edc5b17b7f0ba194601c864736f6c634300080c0033000000000000000000000000d6d44efc8562f8a1c8791a7ddaed3a23b3ebb0cf000000000000000000000000ff0ba8ffee0fce267c2c41244197bc8b907578e0000000000000000000000000a14c04dea16798aa8f25b1da583cd5fbbfd6579e

Deployed Bytecode

0x608060405234801561001057600080fd5b50600436106102485760003560e01c80638462151c1161013b578063be99aaa7116100b8578063eabe51ad1161007c578063eabe51ad146104f4578063f2fde38b14610507578063f4a0a5281461051a578063f74f9bfd1461052d578063f921b04d1461053657600080fd5b8063be99aaa714610477578063c87b56dd1461047f578063dff6324314610492578063e324740d146104a5578063e985e9c5146104b857600080fd5b8063a0712d68116100ff578063a0712d681461042c578063a22cb4651461043f578063a4d66daf14610452578063aa0974c11461045b578063b88d4fde1461046457600080fd5b80638462151c146103d55780638da5cb5b146103f5578063915fd5f91461040657806395d89b41146104115780639d2c27d81461041957600080fd5b8063413234ad116101c957806366caa6ab1161018d57806366caa6ab1461038a5780636817c76c1461039e5780636b539032146103a757806370a08231146103ba578063715018a6146103cd57600080fd5b8063413234ad1461033557806342842e0e1461033e57806342966c68146103515780634f6ccce7146103645780636352211e1461037757600080fd5b806310f1d9d81161021057806310f1d9d8146102e157806318160ddd146102f457806323b872dd146102fc57806327ea6f2b1461030f5780632f745c591461032257600080fd5b806301ffc9a71461024d57806306fdde0314610275578063081812fc1461028a578063095ea7b3146102b55780630e635b83146102ca575b600080fd5b61026061025b366004611a98565b610540565b60405190151581526020015b60405180910390f35b61027d61056b565b60405161026c9190611b0d565b61029d610298366004611b20565b6105fd565b6040516001600160a01b03909116815260200161026c565b6102c86102c3366004611b4e565b610697565b005b6102d3600b5481565b60405190815260200161026c565b6102c86102ef366004611b7a565b6107ad565b6008546102d3565b6102c861030a366004611b97565b6107f9565b6102c861031d366004611b20565b61082a565b6102d3610330366004611b4e565b610859565b6102d360125481565b6102c861034c366004611b97565b6108ef565b6102c861035f366004611b20565b61090a565b6102d3610372366004611b20565b61096a565b61029d610385366004611b20565b6109fd565b600a5461026090600160a01b900460ff1681565b6102d3600e5481565b6102c86103b5366004611b20565b610a74565b6102d36103c8366004611b7a565b610aa3565b6102c8610b2a565b6103e86103e3366004611b7a565b610b60565b60405161026c9190611bd8565b600a546001600160a01b031661029d565b6102d36301312d0081565b61027d610c1f565b60135461029d906001600160a01b031681565b6102c861043a366004611b20565b610c2e565b6102c861044d366004611c1c565b610d2b565b6102d3600d5481565b6102d360115481565b6102c8610472366004611cc9565b610d3a565b6102c8610d72565b61027d61048d366004611b20565b610dbd565b6102c86104a0366004611b20565b610e5a565b600f5461029d906001600160a01b031681565b6102606104c6366004611d78565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b60105461029d906001600160a01b031681565b6102c8610515366004611b7a565b610f4a565b6102c8610528366004611b20565b610fe2565b6102d3600c5481565b6102d36298968081565b60006001600160e01b0319821663780e9d6360e01b1480610565575061056582611011565b92915050565b60606000805461057a90611da6565b80601f01602080910402602001604051908101604052809291908181526020018280546105a690611da6565b80156105f35780601f106105c8576101008083540402835291602001916105f3565b820191906000526020600020905b8154815290600101906020018083116105d657829003601f168201915b5050505050905090565b6000818152600260205260408120546001600160a01b031661067b5760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084015b60405180910390fd5b506000908152600460205260409020546001600160a01b031690565b60006106a2826109fd565b9050806001600160a01b0316836001600160a01b031614156107105760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b6064820152608401610672565b336001600160a01b038216148061072c575061072c81336104c6565b61079e5760405162461bcd60e51b815260206004820152603860248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f7760448201527f6e6572206e6f7220617070726f76656420666f7220616c6c00000000000000006064820152608401610672565b6107a88383611036565b505050565b600a546001600160a01b031633146107d75760405162461bcd60e51b815260040161067290611ddb565b601080546001600160a01b0319166001600160a01b0392909216919091179055565b61080333826110a4565b61081f5760405162461bcd60e51b815260040161067290611e10565b6107a883838361119b565b600a546001600160a01b031633146108545760405162461bcd60e51b815260040161067290611ddb565b600d55565b600061086483610aa3565b82106108c65760405162461bcd60e51b815260206004820152602b60248201527f455243373231456e756d657261626c653a206f776e657220696e646578206f7560448201526a74206f6620626f756e647360a81b6064820152608401610672565b506001600160a01b03919091166000908152600660209081526040808320938352929052205490565b6107a883838360405180602001604052806000815250610d3a565b600a54600160a01b900460ff1661093457604051636607f2c960e11b815260040160405180910390fd5b61093e33826110a4565b61095e576040516314faa17760e01b815260048101829052602401610672565b61096781611342565b50565b600061097560085490565b82106109d85760405162461bcd60e51b815260206004820152602c60248201527f455243373231456e756d657261626c653a20676c6f62616c20696e646578206f60448201526b7574206f6620626f756e647360a01b6064820152608401610672565b600882815481106109eb576109eb611e61565b90600052602060002001549050919050565b6000818152600260205260408120546001600160a01b0316806105655760405162461bcd60e51b815260206004820152602960248201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460448201526832b73a103a37b5b2b760b91b6064820152608401610672565b600a546001600160a01b03163314610a9e5760405162461bcd60e51b815260040161067290611ddb565b601255565b60006001600160a01b038216610b0e5760405162461bcd60e51b815260206004820152602a60248201527f4552433732313a2062616c616e636520717565727920666f7220746865207a65604482015269726f206164647265737360b01b6064820152608401610672565b506001600160a01b031660009081526003602052604090205490565b600a546001600160a01b03163314610b545760405162461bcd60e51b815260040161067290611ddb565b610b5e600061134b565b565b60606000610b6d83610aa3565b905080610b8e5760408051600080825260208201909252905b509392505050565b60008167ffffffffffffffff811115610ba957610ba9611c5a565b604051908082528060200260200182016040528015610bd2578160200160208202803683370190505b50905060005b82811015610b8657610bea8582610859565b828281518110610bfc57610bfc611e61565b602090810291909101015280610c1181611e8d565b915050610bd8565b50919050565b60606001805461057a90611da6565b600b54600d54610c3e9190611ea8565b81600c54610c4c9190611ea8565b1115610c6b576040516369f5830d60e01b815260040160405180910390fd5b600f54600e546001600160a01b03909116906379cc6790903390610c8f9085611ec0565b6040516001600160e01b031960e085901b1681526001600160a01b0390921660048301526024820152604401600060405180830381600087803b158015610cd557600080fd5b505af1158015610ce9573d6000803e3d6000fd5b5050600c549150600090505b82811015610d2457610d0682611e8d565b9150610d12338361139d565b80610d1c81611e8d565b915050610cf5565b50600c5550565b610d363383836113b7565b5050565b610d4433836110a4565b610d605760405162461bcd60e51b815260040161067290611e10565b610d6c84848484611486565b50505050565b600a546001600160a01b03163314610d9c5760405162461bcd60e51b815260040161067290611ddb565b600a805460ff60a01b198116600160a01b9182900460ff1615909102179055565b60606000600b54831115610dd5576301312d00610dda565b629896805b601054604051631d1dfbe960e21b815260048101869052602481018390529192506001600160a01b031690637477efa490604401600060405180830381865afa158015610e2b573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f19168201604052610e539190810190611edf565b9392505050565b600b5481601154610e6b9190611ea8565b1115610e8a576040516369f5830d60e01b815260040160405180910390fd5b6013546012546001600160a01b03909116906379cc6790903390610eae9085611ec0565b6040516001600160e01b031960e085901b1681526001600160a01b0390921660048301526024820152604401600060405180830381600087803b158015610ef457600080fd5b505af1158015610f08573d6000803e3d6000fd5b50506011549150600090505b82811015610f4357610f2582611e8d565b9150610f31338361139d565b80610f3b81611e8d565b915050610f14565b5060115550565b600a546001600160a01b03163314610f745760405162461bcd60e51b815260040161067290611ddb565b6001600160a01b038116610fd95760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610672565b6109678161134b565b600a546001600160a01b0316331461100c5760405162461bcd60e51b815260040161067290611ddb565b600e55565b60006001600160e01b0319821663780e9d6360e01b14806105655750610565826114b9565b600081815260046020526040902080546001600160a01b0319166001600160a01b038416908117909155819061106b826109fd565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b6000818152600260205260408120546001600160a01b031661111d5760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b6064820152608401610672565b6000611128836109fd565b9050806001600160a01b0316846001600160a01b031614806111635750836001600160a01b0316611158846105fd565b6001600160a01b0316145b8061119357506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff165b949350505050565b826001600160a01b03166111ae826109fd565b6001600160a01b0316146112125760405162461bcd60e51b815260206004820152602560248201527f4552433732313a207472616e736665722066726f6d20696e636f72726563742060448201526437bbb732b960d91b6064820152608401610672565b6001600160a01b0382166112745760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b6064820152608401610672565b61127f838383611509565b61128a600082611036565b6001600160a01b03831660009081526003602052604081208054600192906112b3908490611f56565b90915550506001600160a01b03821660009081526003602052604081208054600192906112e1908490611ea8565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b61096781611514565b600a80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b610d368282604051806020016040528060008152506115bb565b816001600160a01b0316836001600160a01b031614156114195760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c6572000000000000006044820152606401610672565b6001600160a01b03838116600081815260056020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b61149184848461119b565b61149d848484846115ee565b610d6c5760405162461bcd60e51b815260040161067290611f6d565b60006001600160e01b031982166380ac58cd60e01b14806114ea57506001600160e01b03198216635b5e139f60e01b145b8061056557506301ffc9a760e01b6001600160e01b0319831614610565565b6107a88383836116ec565b600061151f826109fd565b905061152d81600084611509565b611538600083611036565b6001600160a01b0381166000908152600360205260408120805460019290611561908490611f56565b909155505060008281526002602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b6115c583836117a4565b6115d260008484846115ee565b6107a85760405162461bcd60e51b815260040161067290611f6d565b60006001600160a01b0384163b156116e157604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290611632903390899088908890600401611fbf565b6020604051808303816000875af192505050801561166d575060408051601f3d908101601f1916820190925261166a91810190611ffc565b60015b6116c7573d80801561169b576040519150601f19603f3d011682016040523d82523d6000602084013e6116a0565b606091505b5080516116bf5760405162461bcd60e51b815260040161067290611f6d565b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050611193565b506001949350505050565b6001600160a01b0383166117475761174281600880546000838152600960205260408120829055600182018355919091527ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee30155565b61176a565b816001600160a01b0316836001600160a01b03161461176a5761176a83826118f2565b6001600160a01b038216611781576107a88161198f565b826001600160a01b0316826001600160a01b0316146107a8576107a88282611a3e565b6001600160a01b0382166117fa5760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f20616464726573736044820152606401610672565b6000818152600260205260409020546001600160a01b03161561185f5760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e746564000000006044820152606401610672565b61186b60008383611509565b6001600160a01b0382166000908152600360205260408120805460019290611894908490611ea8565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b600060016118ff84610aa3565b6119099190611f56565b60008381526007602052604090205490915080821461195c576001600160a01b03841660009081526006602090815260408083208584528252808320548484528184208190558352600790915290208190555b5060009182526007602090815260408084208490556001600160a01b039094168352600681528383209183525290812055565b6008546000906119a190600190611f56565b600083815260096020526040812054600880549394509092849081106119c9576119c9611e61565b9060005260206000200154905080600883815481106119ea576119ea611e61565b6000918252602080832090910192909255828152600990915260408082208490558582528120556008805480611a2257611a22612019565b6001900381819060005260206000200160009055905550505050565b6000611a4983610aa3565b6001600160a01b039093166000908152600660209081526040808320868452825280832085905593825260079052919091209190915550565b6001600160e01b03198116811461096757600080fd5b600060208284031215611aaa57600080fd5b8135610e5381611a82565b60005b83811015611ad0578181015183820152602001611ab8565b83811115610d6c5750506000910152565b60008151808452611af9816020860160208601611ab5565b601f01601f19169290920160200192915050565b602081526000610e536020830184611ae1565b600060208284031215611b3257600080fd5b5035919050565b6001600160a01b038116811461096757600080fd5b60008060408385031215611b6157600080fd5b8235611b6c81611b39565b946020939093013593505050565b600060208284031215611b8c57600080fd5b8135610e5381611b39565b600080600060608486031215611bac57600080fd5b8335611bb781611b39565b92506020840135611bc781611b39565b929592945050506040919091013590565b6020808252825182820181905260009190848201906040850190845b81811015611c1057835183529284019291840191600101611bf4565b50909695505050505050565b60008060408385031215611c2f57600080fd5b8235611c3a81611b39565b915060208301358015158114611c4f57600080fd5b809150509250929050565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff81118282101715611c9957611c99611c5a565b604052919050565b600067ffffffffffffffff821115611cbb57611cbb611c5a565b50601f01601f191660200190565b60008060008060808587031215611cdf57600080fd5b8435611cea81611b39565b93506020850135611cfa81611b39565b925060408501359150606085013567ffffffffffffffff811115611d1d57600080fd5b8501601f81018713611d2e57600080fd5b8035611d41611d3c82611ca1565b611c70565b818152886020838501011115611d5657600080fd5b8160208401602083013760006020838301015280935050505092959194509250565b60008060408385031215611d8b57600080fd5b8235611d9681611b39565b91506020830135611c4f81611b39565b600181811c90821680611dba57607f821691505b60208210811415610c1957634e487b7160e01b600052602260045260246000fd5b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60208082526031908201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f6040820152701ddb995c881b9bdc88185c1c1c9bdd9959607a1b606082015260800190565b634e487b7160e01b600052603260045260246000fd5b634e487b7160e01b600052601160045260246000fd5b6000600019821415611ea157611ea1611e77565b5060010190565b60008219821115611ebb57611ebb611e77565b500190565b6000816000190483118215151615611eda57611eda611e77565b500290565b600060208284031215611ef157600080fd5b815167ffffffffffffffff811115611f0857600080fd5b8201601f81018413611f1957600080fd5b8051611f27611d3c82611ca1565b818152856020838501011115611f3c57600080fd5b611f4d826020830160208601611ab5565b95945050505050565b600082821015611f6857611f68611e77565b500390565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611ff290830184611ae1565b9695505050505050565b60006020828403121561200e57600080fd5b8151610e5381611a82565b634e487b7160e01b600052603160045260246000fdfea2646970667358221220e18173350a6fb2cdfbd50dba166f167a4563884d003edc5b17b7f0ba194601c864736f6c634300080c0033

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

000000000000000000000000d6d44efc8562f8a1c8791a7ddaed3a23b3ebb0cf000000000000000000000000ff0ba8ffee0fce267c2c41244197bc8b907578e0000000000000000000000000a14c04dea16798aa8f25b1da583cd5fbbfd6579e

-----Decoded View---------------
Arg [0] : pml (address): 0xD6D44EfC8562F8A1C8791A7ddAEd3A23B3ebb0cf
Arg [1] : metadataStorage (address): 0xfF0bA8FFEe0FcE267c2c41244197BC8B907578e0
Arg [2] : _pmlg (address): 0xa14c04DEa16798Aa8F25b1Da583cd5fBBFd6579E

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000d6d44efc8562f8a1c8791a7ddaed3a23b3ebb0cf
Arg [1] : 000000000000000000000000ff0ba8ffee0fce267c2c41244197bc8b907578e0
Arg [2] : 000000000000000000000000a14c04dea16798aa8f25b1da583cd5fbbfd6579e


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.