kiknaio/.deps...github...OpenZeppelin...openzeppelin-contracts...contracts...access...Ownable.sol

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...access...Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), 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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...introspection...ERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165 is IERC165 {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    constructor () internal {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...introspection...IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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);
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...math...SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...token...ERC721...ERC721.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../utils/Context.sol";
import "./IERC721.sol";
import "./IERC721Metadata.sol";
import "./IERC721Enumerable.sol";
import "./IERC721Receiver.sol";
import "../../introspection/ERC165.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
import "../../utils/EnumerableSet.sol";
import "../../utils/EnumerableMap.sol";
import "../../utils/Strings.sol";

/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
    using SafeMath for uint256;
    using Address for address;
    using EnumerableSet for EnumerableSet.UintSet;
    using EnumerableMap for EnumerableMap.UintToAddressMap;
    using Strings for uint256;

    // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
    // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
    bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

    // Mapping from holder address to their (enumerable) set of owned tokens
    mapping (address => EnumerableSet.UintSet) private _holderTokens;

    // Enumerable mapping from token ids to their owners
    EnumerableMap.UintToAddressMap private _tokenOwners;

    // 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;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

    // Base URI
    string private _baseURI;

    /*
     *     bytes4(keccak256('balanceOf(address)')) == 0x70a08231
     *     bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
     *     bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
     *     bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
     *
     *     => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
     *        0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
     */
    bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

    /*
     *     bytes4(keccak256('name()')) == 0x06fdde03
     *     bytes4(keccak256('symbol()')) == 0x95d89b41
     *     bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
     *
     *     => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
     */
    bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

    /*
     *     bytes4(keccak256('totalSupply()')) == 0x18160ddd
     *     bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
     *     bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
     *
     *     => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
     */
    bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

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

        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721);
        _registerInterface(_INTERFACE_ID_ERC721_METADATA);
        _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
    }

    /**
     * @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 _holderTokens[owner].length();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
    }

    /**
     * @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 _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));
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
    }

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a prefix in {tokenURI} to each token's URI, or
    * to the token ID if no specific URI is set for that token ID.
    */
    function baseURI() public view virtual returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        return _holderTokens[owner].at(index);
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
        return _tokenOwners.length();
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        (uint256 tokenId, ) = _tokenOwners.at(index);
        return tokenId;
    }

    /**
     * @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 || ERC721.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 {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_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 _tokenOwners.contains(tokenId);
    }

    /**
     * @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 || ERC721.isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     d*
     * - `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);

        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

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

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

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

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

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

        _holderTokens[owner].remove(tokenId);

        _tokenOwners.remove(tokenId);

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

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

        _holderTokens[from].remove(tokenId);
        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

        emit Transfer(from, to, 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), "ERC721Metadata: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI},
     * or to the token ID if {tokenURI} is empty.
     */
    function _setBaseURI(string memory baseURI_) internal virtual {
        _baseURI = baseURI_;
    }

    /**
     * @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()) {
            return true;
        }
        bytes memory returndata = to.functionCall(abi.encodeWithSelector(
            IERC721Receiver(to).onERC721Received.selector,
            _msgSender(),
            from,
            tokenId,
            _data
        ), "ERC721: transfer to non ERC721Receiver implementer");
        bytes4 retval = abi.decode(returndata, (bytes4));
        return (retval == _ERC721_RECEIVED);
    }

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

    /**
     * @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 { }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...token...ERC721...IERC721.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "../../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;
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...token...ERC721...IERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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 tokenId);

    /**
     * @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);
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...token...ERC721...IERC721Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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);
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...token...ERC721...IERC721Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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);
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

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

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

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

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...Counters.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../math/SafeMath.sol";

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 * Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath}
 * overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never
 * directly accessed.
 */
library Counters {
    using SafeMath for uint256;

    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

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

    function increment(Counter storage counter) internal {
        // The {SafeMath} overflow check can be skipped here, see the comment at the top
        counter._value += 1;
    }

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

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...EnumerableMap.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
 * supported.
 */
library EnumerableMap {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Map type with
    // bytes32 keys and values.
    // The Map implementation uses private functions, and user-facing
    // implementations (such as Uint256ToAddressMap) are just wrappers around
    // the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit
    // in bytes32.

    struct MapEntry {
        bytes32 _key;
        bytes32 _value;
    }

    struct Map {
        // Storage of map keys and values
        MapEntry[] _entries;

        // Position of the entry defined by a key in the `entries` array, plus 1
        // because index 0 means a key is not in the map.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex == 0) { // Equivalent to !contains(map, key)
            map._entries.push(MapEntry({ _key: key, _value: value }));
            // The entry is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            map._indexes[key] = map._entries.length;
            return true;
        } else {
            map._entries[keyIndex - 1]._value = value;
            return false;
        }
    }

    /**
     * @dev Removes a key-value pair from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function _remove(Map storage map, bytes32 key) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex != 0) { // Equivalent to contains(map, key)
            // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
            // in the array, and then remove the last entry (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = keyIndex - 1;
            uint256 lastIndex = map._entries.length - 1;

            // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            MapEntry storage lastEntry = map._entries[lastIndex];

            // Move the last entry to the index where the entry to delete is
            map._entries[toDeleteIndex] = lastEntry;
            // Update the index for the moved entry
            map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved entry was stored
            map._entries.pop();

            // Delete the index for the deleted slot
            delete map._indexes[key];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function _contains(Map storage map, bytes32 key) private view returns (bool) {
        return map._indexes[key] != 0;
    }

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function _length(Map storage map) private view returns (uint256) {
        return map._entries.length;
    }

   /**
    * @dev Returns the key-value pair stored at position `index` in the map. O(1).
    *
    * Note that there are no guarantees on the ordering of entries inside the
    * array, and it may change when more entries are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
        require(map._entries.length > index, "EnumerableMap: index out of bounds");

        MapEntry storage entry = map._entries[index];
        return (entry._key, entry._value);
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     */
    function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
        uint256 keyIndex = map._indexes[key];
        if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
        return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function _get(Map storage map, bytes32 key) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    /**
     * @dev Same as {_get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {_tryGet}.
     */
    function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
        return _remove(map._inner, bytes32(key));
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
        return _contains(map._inner, bytes32(key));
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToAddressMap storage map) internal view returns (uint256) {
        return _length(map._inner);
    }

   /**
    * @dev Returns the element stored at position `index` in the set. O(1).
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = _at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     *
     * _Available since v3.4._
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...EnumerableSet.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

## .deps...github...OpenZeppelin...openzeppelin-contracts...contracts...utils...Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    /**
     * @dev Converts a `uint256` to its ASCII `string` 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);
        uint256 index = digits - 1;
        temp = value;
        while (temp != 0) {
            buffer[index--] = bytes1(uint8(48 + temp % 10));
            temp /= 10;
        }
        return string(buffer);
    }
}

## .deps...github...smartcontractkit...chainlink...evm-contracts...src...v0.6...interfaces...AggregatorV3Interface.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

interface AggregatorV3Interface {

  function decimals() external view returns (uint8);
  function description() external view returns (string memory);
  function version() external view returns (uint256);

  // getRoundData and latestRoundData should both raise "No data present"
  // if they do not have data to report, instead of returning unset values
  // which could be misinterpreted as actual reported values.
  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

}

## .deps...https...raw.githubusercontent.com...smartcontractkit...chainlink...master...evm-contracts...src...v0.6...interfaces...LinkTokenInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

interface LinkTokenInterface {
  function allowance(address owner, address spender) external view returns (uint256 remaining);
  function approve(address spender, uint256 value) external returns (bool success);
  function balanceOf(address owner) external view returns (uint256 balance);
  function decimals() external view returns (uint8 decimalPlaces);
  function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);
  function increaseApproval(address spender, uint256 subtractedValue) external;
  function name() external view returns (string memory tokenName);
  function symbol() external view returns (string memory tokenSymbol);
  function totalSupply() external view returns (uint256 totalTokensIssued);
  function transfer(address to, uint256 value) external returns (bool success);
  function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool success);
  function transferFrom(address from, address to, uint256 value) external returns (bool success);
}

## .deps...https...raw.githubusercontent.com...smartcontractkit...chainlink...master...evm-contracts...src...v0.6...vendor...SafeMathChainlink.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMathChainlink {
  /**
    * @dev Returns the addition of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `+` operator.
    *
    * Requirements:
    * - Addition cannot overflow.
    */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a, "SafeMath: addition overflow");

    return c;
  }

  /**
    * @dev Returns the subtraction of two unsigned integers, reverting on
    * overflow (when the result is negative).
    *
    * Counterpart to Solidity's `-` operator.
    *
    * Requirements:
    * - Subtraction cannot overflow.
    */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a, "SafeMath: subtraction overflow");
    uint256 c = a - b;

    return c;
  }

  /**
    * @dev Returns the multiplication of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `*` operator.
    *
    * Requirements:
    * - Multiplication cannot overflow.
    */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (a == 0) {
      return 0;
    }

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

    return c;
  }

  /**
    * @dev Returns the integer division of two unsigned integers. Reverts on
    * division by zero. The result is rounded towards zero.
    *
    * Counterpart to Solidity's `/` operator. Note: this function uses a
    * `revert` opcode (which leaves remaining gas untouched) while Solidity
    * uses an invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // Solidity only automatically asserts when dividing by 0
    require(b > 0, "SafeMath: division by zero");
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
    * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
    * Reverts when dividing by zero.
    *
    * Counterpart to Solidity's `%` operator. This function uses a `revert`
    * opcode (which leaves remaining gas untouched) while Solidity uses an
    * invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0, "SafeMath: modulo by zero");
    return a % b;
  }
}

## .deps...https...raw.githubusercontent.com...smartcontractkit...chainlink...master...evm-contracts...src...v0.6...VRFConsumerBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./vendor/SafeMathChainlink.sol";

import "./interfaces/LinkTokenInterface.sol";

import "./VRFRequestIDBase.sol";

/** ****************************************************************************
 * @notice Interface for contracts using VRF randomness
 * *****************************************************************************
 * @dev PURPOSE
 *
 * @dev Reggie the Random Oracle (not his real job) wants to provide randomness
 * @dev to Vera the verifier in such a way that Vera can be sure he's not
 * @dev making his output up to suit himself. Reggie provides Vera a public key
 * @dev to which he knows the secret key. Each time Vera provides a seed to
 * @dev Reggie, he gives back a value which is computed completely
 * @dev deterministically from the seed and the secret key.
 *
 * @dev Reggie provides a proof by which Vera can verify that the output was
 * @dev correctly computed once Reggie tells it to her, but without that proof,
 * @dev the output is indistinguishable to her from a uniform random sample
 * @dev from the output space.
 *
 * @dev The purpose of this contract is to make it easy for unrelated contracts
 * @dev to talk to Vera the verifier about the work Reggie is doing, to provide
 * @dev simple access to a verifiable source of randomness.
 * *****************************************************************************
 * @dev USAGE
 *
 * @dev Calling contracts must inherit from VRFConsumerBase, and can
 * @dev initialize VRFConsumerBase's attributes in their constructor as
 * @dev shown:
 *
 * @dev   contract VRFConsumer {
 * @dev     constuctor(<other arguments>, address _vrfCoordinator, address _link)
 * @dev       VRFConsumerBase(_vrfCoordinator, _link) public {
 * @dev         <initialization with other arguments goes here>
 * @dev       }
 * @dev   }
 *
 * @dev The oracle will have given you an ID for the VRF keypair they have
 * @dev committed to (let's call it keyHash), and have told you the minimum LINK
 * @dev price for VRF service. Make sure your contract has sufficient LINK, and
 * @dev call requestRandomness(keyHash, fee, seed), where seed is the input you
 * @dev want to generate randomness from.
 *
 * @dev Once the VRFCoordinator has received and validated the oracle's response
 * @dev to your request, it will call your contract's fulfillRandomness method.
 *
 * @dev The randomness argument to fulfillRandomness is the actual random value
 * @dev generated from your seed.
 *
 * @dev The requestId argument is generated from the keyHash and the seed by
 * @dev makeRequestId(keyHash, seed). If your contract could have concurrent
 * @dev requests open, you can use the requestId to track which seed is
 * @dev associated with which randomness. See VRFRequestIDBase.sol for more
 * @dev details. (See "SECURITY CONSIDERATIONS" for principles to keep in mind,
 * @dev if your contract could have multiple requests in flight simultaneously.)
 *
 * @dev Colliding `requestId`s are cryptographically impossible as long as seeds
 * @dev differ. (Which is critical to making unpredictable randomness! See the
 * @dev next section.)
 *
 * *****************************************************************************
 * @dev SECURITY CONSIDERATIONS
 *
 * @dev A method with the ability to call your fulfillRandomness method directly
 * @dev could spoof a VRF response with any random value, so it's critical that
 * @dev it cannot be directly called by anything other than this base contract
 * @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
 *
 * @dev For your users to trust that your contract's random behavior is free
 * @dev from malicious interference, it's best if you can write it so that all
 * @dev behaviors implied by a VRF response are executed *during* your
 * @dev fulfillRandomness method. If your contract must store the response (or
 * @dev anything derived from it) and use it later, you must ensure that any
 * @dev user-significant behavior which depends on that stored value cannot be
 * @dev manipulated by a subsequent VRF request.
 *
 * @dev Similarly, both miners and the VRF oracle itself have some influence
 * @dev over the order in which VRF responses appear on the blockchain, so if
 * @dev your contract could have multiple VRF requests in flight simultaneously,
 * @dev you must ensure that the order in which the VRF responses arrive cannot
 * @dev be used to manipulate your contract's user-significant behavior.
 *
 * @dev Since the ultimate input to the VRF is mixed with the block hash of the
 * @dev block in which the request is made, user-provided seeds have no impact
 * @dev on its economic security properties. They are only included for API
 * @dev compatability with previous versions of this contract.
 *
 * @dev Since the block hash of the block which contains the requestRandomness
 * @dev call is mixed into the input to the VRF *last*, a sufficiently powerful
 * @dev miner could, in principle, fork the blockchain to evict the block
 * @dev containing the request, forcing the request to be included in a
 * @dev different block with a different hash, and therefore a different input
 * @dev to the VRF. However, such an attack would incur a substantial economic
 * @dev cost. This cost scales with the number of blocks the VRF oracle waits
 * @dev until it calls responds to a request.
 */
abstract contract VRFConsumerBase is VRFRequestIDBase {

  using SafeMathChainlink for uint256;

  /**
   * @notice fulfillRandomness handles the VRF response. Your contract must
   * @notice implement it. See "SECURITY CONSIDERATIONS" above for important
   * @notice principles to keep in mind when implementing your fulfillRandomness
   * @notice method.
   *
   * @dev VRFConsumerBase expects its subcontracts to have a method with this
   * @dev signature, and will call it once it has verified the proof
   * @dev associated with the randomness. (It is triggered via a call to
   * @dev rawFulfillRandomness, below.)
   *
   * @param requestId The Id initially returned by requestRandomness
   * @param randomness the VRF output
   */
  function fulfillRandomness(bytes32 requestId, uint256 randomness)
    internal virtual;

  /**
   * @notice requestRandomness initiates a request for VRF output given _seed
   *
   * @dev The fulfillRandomness method receives the output, once it's provided
   * @dev by the Oracle, and verified by the vrfCoordinator.
   *
   * @dev The _keyHash must already be registered with the VRFCoordinator, and
   * @dev the _fee must exceed the fee specified during registration of the
   * @dev _keyHash.
   *
   * @dev The _seed parameter is vestigial, and is kept only for API
   * @dev compatibility with older versions. It can't *hurt* to mix in some of
   * @dev your own randomness, here, but it's not necessary because the VRF
   * @dev oracle will mix the hash of the block containing your request into the
   * @dev VRF seed it ultimately uses.
   *
   * @param _keyHash ID of public key against which randomness is generated
   * @param _fee The amount of LINK to send with the request
   * @param _seed seed mixed into the input of the VRF.
   *
   * @return requestId unique ID for this request
   *
   * @dev The returned requestId can be used to distinguish responses to
   * @dev concurrent requests. It is passed as the first argument to
   * @dev fulfillRandomness.
   */
  function requestRandomness(bytes32 _keyHash, uint256 _fee, uint256 _seed)
    internal returns (bytes32 requestId)
  {
    LINK.transferAndCall(vrfCoordinator, _fee, abi.encode(_keyHash, _seed));
    // This is the seed passed to VRFCoordinator. The oracle will mix this with
    // the hash of the block containing this request to obtain the seed/input
    // which is finally passed to the VRF cryptographic machinery.
    uint256 vRFSeed  = makeVRFInputSeed(_keyHash, _seed, address(this), nonces[_keyHash]);
    // nonces[_keyHash] must stay in sync with
    // VRFCoordinator.nonces[_keyHash][this], which was incremented by the above
    // successful LINK.transferAndCall (in VRFCoordinator.randomnessRequest).
    // This provides protection against the user repeating their input seed,
    // which would result in a predictable/duplicate output, if multiple such
    // requests appeared in the same block.
    nonces[_keyHash] = nonces[_keyHash].add(1);
    return makeRequestId(_keyHash, vRFSeed);
  }

  LinkTokenInterface immutable internal LINK;
  address immutable private vrfCoordinator;

  // Nonces for each VRF key from which randomness has been requested.
  //
  // Must stay in sync with VRFCoordinator[_keyHash][this]
  mapping(bytes32 /* keyHash */ => uint256 /* nonce */) private nonces;

  /**
   * @param _vrfCoordinator address of VRFCoordinator contract
   * @param _link address of LINK token contract
   *
   * @dev https://docs.chain.link/docs/link-token-contracts
   */
  constructor(address _vrfCoordinator, address _link) public {
    vrfCoordinator = _vrfCoordinator;
    LINK = LinkTokenInterface(_link);
  }

  // rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
  // proof. rawFulfillRandomness then calls fulfillRandomness, after validating
  // the origin of the call
  function rawFulfillRandomness(bytes32 requestId, uint256 randomness) external {
    require(msg.sender == vrfCoordinator, "Only VRFCoordinator can fulfill");
    fulfillRandomness(requestId, randomness);
  }
}

## .deps...https...raw.githubusercontent.com...smartcontractkit...chainlink...master...evm-contracts...src...v0.6...VRFRequestIDBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract VRFRequestIDBase {

  /**
   * @notice returns the seed which is actually input to the VRF coordinator
   *
   * @dev To prevent repetition of VRF output due to repetition of the
   * @dev user-supplied seed, that seed is combined in a hash with the
   * @dev user-specific nonce, and the address of the consuming contract. The
   * @dev risk of repetition is mostly mitigated by inclusion of a blockhash in
   * @dev the final seed, but the nonce does protect against repetition in
   * @dev requests which are included in a single block.
   *
   * @param _userSeed VRF seed input provided by user
   * @param _requester Address of the requesting contract
   * @param _nonce User-specific nonce at the time of the request
   */
  function makeVRFInputSeed(bytes32 _keyHash, uint256 _userSeed,
    address _requester, uint256 _nonce)
    internal pure returns (uint256)
  {
    return  uint256(keccak256(abi.encode(_keyHash, _userSeed, _requester, _nonce)));
  }

  /**
   * @notice Returns the id for this request
   * @param _keyHash The serviceAgreement ID to be used for this request
   * @param _vRFInputSeed The seed to be passed directly to the VRF
   * @return The id for this request
   *
   * @dev Note that _vRFInputSeed is not the seed passed by the consuming
   * @dev contract, but the one generated by makeVRFInputSeed
   */
  function makeRequestId(
    bytes32 _keyHash, uint256 _vRFInputSeed) internal pure returns (bytes32) {
    return keccak256(abi.encodePacked(_keyHash, _vRFInputSeed));
  }
}

## .deps...npm...@chainlink...contracts...src...v0.6...interfaces...AggregatorV3Interface.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

interface AggregatorV3Interface {

  function decimals() external view returns (uint8);
  function description() external view returns (string memory);
  function version() external view returns (uint256);

  // getRoundData and latestRoundData should both raise "No data present"
  // if they do not have data to report, instead of returning unset values
  // which could be misinterpreted as actual reported values.
  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

}

## .deps...npm...@chainlink...contracts...src...v0.6...interfaces...LinkTokenInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

interface LinkTokenInterface {
  function allowance(address owner, address spender) external view returns (uint256 remaining);
  function approve(address spender, uint256 value) external returns (bool success);
  function balanceOf(address owner) external view returns (uint256 balance);
  function decimals() external view returns (uint8 decimalPlaces);
  function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);
  function increaseApproval(address spender, uint256 subtractedValue) external;
  function name() external view returns (string memory tokenName);
  function symbol() external view returns (string memory tokenSymbol);
  function totalSupply() external view returns (uint256 totalTokensIssued);
  function transfer(address to, uint256 value) external returns (bool success);
  function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool success);
  function transferFrom(address from, address to, uint256 value) external returns (bool success);
}

## .deps...npm...@chainlink...contracts...src...v0.6...vendor...SafeMathChainlink.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMathChainlink {
  /**
    * @dev Returns the addition of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `+` operator.
    *
    * Requirements:
    * - Addition cannot overflow.
    */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a, "SafeMath: addition overflow");

    return c;
  }

  /**
    * @dev Returns the subtraction of two unsigned integers, reverting on
    * overflow (when the result is negative).
    *
    * Counterpart to Solidity's `-` operator.
    *
    * Requirements:
    * - Subtraction cannot overflow.
    */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a, "SafeMath: subtraction overflow");
    uint256 c = a - b;

    return c;
  }

  /**
    * @dev Returns the multiplication of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `*` operator.
    *
    * Requirements:
    * - Multiplication cannot overflow.
    */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (a == 0) {
      return 0;
    }

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

    return c;
  }

  /**
    * @dev Returns the integer division of two unsigned integers. Reverts on
    * division by zero. The result is rounded towards zero.
    *
    * Counterpart to Solidity's `/` operator. Note: this function uses a
    * `revert` opcode (which leaves remaining gas untouched) while Solidity
    * uses an invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // Solidity only automatically asserts when dividing by 0
    require(b > 0, "SafeMath: division by zero");
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
    * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
    * Reverts when dividing by zero.
    *
    * Counterpart to Solidity's `%` operator. This function uses a `revert`
    * opcode (which leaves remaining gas untouched) while Solidity uses an
    * invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    * - The divisor cannot be zero.
    */
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0, "SafeMath: modulo by zero");
    return a % b;
  }
}

## .deps...npm...@chainlink...contracts...src...v0.6...VRFConsumerBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./vendor/SafeMathChainlink.sol";

import "./interfaces/LinkTokenInterface.sol";

import "./VRFRequestIDBase.sol";

/** ****************************************************************************
 * @notice Interface for contracts using VRF randomness
 * *****************************************************************************
 * @dev PURPOSE
 *
 * @dev Reggie the Random Oracle (not his real job) wants to provide randomness
 * @dev to Vera the verifier in such a way that Vera can be sure he's not
 * @dev making his output up to suit himself. Reggie provides Vera a public key
 * @dev to which he knows the secret key. Each time Vera provides a seed to
 * @dev Reggie, he gives back a value which is computed completely
 * @dev deterministically from the seed and the secret key.
 *
 * @dev Reggie provides a proof by which Vera can verify that the output was
 * @dev correctly computed once Reggie tells it to her, but without that proof,
 * @dev the output is indistinguishable to her from a uniform random sample
 * @dev from the output space.
 *
 * @dev The purpose of this contract is to make it easy for unrelated contracts
 * @dev to talk to Vera the verifier about the work Reggie is doing, to provide
 * @dev simple access to a verifiable source of randomness.
 * *****************************************************************************
 * @dev USAGE
 *
 * @dev Calling contracts must inherit from VRFConsumerBase, and can
 * @dev initialize VRFConsumerBase's attributes in their constructor as
 * @dev shown:
 *
 * @dev   contract VRFConsumer {
 * @dev     constuctor(<other arguments>, address _vrfCoordinator, address _link)
 * @dev       VRFConsumerBase(_vrfCoordinator, _link) public {
 * @dev         <initialization with other arguments goes here>
 * @dev       }
 * @dev   }
 *
 * @dev The oracle will have given you an ID for the VRF keypair they have
 * @dev committed to (let's call it keyHash), and have told you the minimum LINK
 * @dev price for VRF service. Make sure your contract has sufficient LINK, and
 * @dev call requestRandomness(keyHash, fee, seed), where seed is the input you
 * @dev want to generate randomness from.
 *
 * @dev Once the VRFCoordinator has received and validated the oracle's response
 * @dev to your request, it will call your contract's fulfillRandomness method.
 *
 * @dev The randomness argument to fulfillRandomness is the actual random value
 * @dev generated from your seed.
 *
 * @dev The requestId argument is generated from the keyHash and the seed by
 * @dev makeRequestId(keyHash, seed). If your contract could have concurrent
 * @dev requests open, you can use the requestId to track which seed is
 * @dev associated with which randomness. See VRFRequestIDBase.sol for more
 * @dev details. (See "SECURITY CONSIDERATIONS" for principles to keep in mind,
 * @dev if your contract could have multiple requests in flight simultaneously.)
 *
 * @dev Colliding `requestId`s are cryptographically impossible as long as seeds
 * @dev differ. (Which is critical to making unpredictable randomness! See the
 * @dev next section.)
 *
 * *****************************************************************************
 * @dev SECURITY CONSIDERATIONS
 *
 * @dev A method with the ability to call your fulfillRandomness method directly
 * @dev could spoof a VRF response with any random value, so it's critical that
 * @dev it cannot be directly called by anything other than this base contract
 * @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
 *
 * @dev For your users to trust that your contract's random behavior is free
 * @dev from malicious interference, it's best if you can write it so that all
 * @dev behaviors implied by a VRF response are executed *during* your
 * @dev fulfillRandomness method. If your contract must store the response (or
 * @dev anything derived from it) and use it later, you must ensure that any
 * @dev user-significant behavior which depends on that stored value cannot be
 * @dev manipulated by a subsequent VRF request.
 *
 * @dev Similarly, both miners and the VRF oracle itself have some influence
 * @dev over the order in which VRF responses appear on the blockchain, so if
 * @dev your contract could have multiple VRF requests in flight simultaneously,
 * @dev you must ensure that the order in which the VRF responses arrive cannot
 * @dev be used to manipulate your contract's user-significant behavior.
 *
 * @dev Since the ultimate input to the VRF is mixed with the block hash of the
 * @dev block in which the request is made, user-provided seeds have no impact
 * @dev on its economic security properties. They are only included for API
 * @dev compatability with previous versions of this contract.
 *
 * @dev Since the block hash of the block which contains the requestRandomness
 * @dev call is mixed into the input to the VRF *last*, a sufficiently powerful
 * @dev miner could, in principle, fork the blockchain to evict the block
 * @dev containing the request, forcing the request to be included in a
 * @dev different block with a different hash, and therefore a different input
 * @dev to the VRF. However, such an attack would incur a substantial economic
 * @dev cost. This cost scales with the number of blocks the VRF oracle waits
 * @dev until it calls responds to a request.
 */
abstract contract VRFConsumerBase is VRFRequestIDBase {

  using SafeMathChainlink for uint256;

  /**
   * @notice fulfillRandomness handles the VRF response. Your contract must
   * @notice implement it. See "SECURITY CONSIDERATIONS" above for important
   * @notice principles to keep in mind when implementing your fulfillRandomness
   * @notice method.
   *
   * @dev VRFConsumerBase expects its subcontracts to have a method with this
   * @dev signature, and will call it once it has verified the proof
   * @dev associated with the randomness. (It is triggered via a call to
   * @dev rawFulfillRandomness, below.)
   *
   * @param requestId The Id initially returned by requestRandomness
   * @param randomness the VRF output
   */
  function fulfillRandomness(bytes32 requestId, uint256 randomness)
    internal virtual;

  /**
   * @dev In order to keep backwards compatibility we have kept the user
   * seed field around. We remove the use of it because given that the blockhash
   * enters later, it overrides whatever randomness the used seed provides.
   * Given that it adds no security, and can easily lead to misunderstandings,
   * we have removed it from usage and can now provide a simpler API.
   */
  uint256 constant private USER_SEED_PLACEHOLDER = 0;

  /**
   * @notice requestRandomness initiates a request for VRF output given _seed
   *
   * @dev The fulfillRandomness method receives the output, once it's provided
   * @dev by the Oracle, and verified by the vrfCoordinator.
   *
   * @dev The _keyHash must already be registered with the VRFCoordinator, and
   * @dev the _fee must exceed the fee specified during registration of the
   * @dev _keyHash.
   *
   * @dev The _seed parameter is vestigial, and is kept only for API
   * @dev compatibility with older versions. It can't *hurt* to mix in some of
   * @dev your own randomness, here, but it's not necessary because the VRF
   * @dev oracle will mix the hash of the block containing your request into the
   * @dev VRF seed it ultimately uses.
   *
   * @param _keyHash ID of public key against which randomness is generated
   * @param _fee The amount of LINK to send with the request
   *
   * @return requestId unique ID for this request
   *
   * @dev The returned requestId can be used to distinguish responses to
   * @dev concurrent requests. It is passed as the first argument to
   * @dev fulfillRandomness.
   */
  function requestRandomness(bytes32 _keyHash, uint256 _fee)
    internal returns (bytes32 requestId)
  {
    LINK.transferAndCall(vrfCoordinator, _fee, abi.encode(_keyHash, USER_SEED_PLACEHOLDER));
    // This is the seed passed to VRFCoordinator. The oracle will mix this with
    // the hash of the block containing this request to obtain the seed/input
    // which is finally passed to the VRF cryptographic machinery.
    uint256 vRFSeed  = makeVRFInputSeed(_keyHash, USER_SEED_PLACEHOLDER, address(this), nonces[_keyHash]);
    // nonces[_keyHash] must stay in sync with
    // VRFCoordinator.nonces[_keyHash][this], which was incremented by the above
    // successful LINK.transferAndCall (in VRFCoordinator.randomnessRequest).
    // This provides protection against the user repeating their input seed,
    // which would result in a predictable/duplicate output, if multiple such
    // requests appeared in the same block.
    nonces[_keyHash] = nonces[_keyHash].add(1);
    return makeRequestId(_keyHash, vRFSeed);
  }

  LinkTokenInterface immutable internal LINK;
  address immutable private vrfCoordinator;

  // Nonces for each VRF key from which randomness has been requested.
  //
  // Must stay in sync with VRFCoordinator[_keyHash][this]
  mapping(bytes32 /* keyHash */ => uint256 /* nonce */) private nonces;

  /**
   * @param _vrfCoordinator address of VRFCoordinator contract
   * @param _link address of LINK token contract
   *
   * @dev https://docs.chain.link/docs/link-token-contracts
   */
  constructor(address _vrfCoordinator, address _link) public {
    vrfCoordinator = _vrfCoordinator;
    LINK = LinkTokenInterface(_link);
  }

  // rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
  // proof. rawFulfillRandomness then calls fulfillRandomness, after validating
  // the origin of the call
  function rawFulfillRandomness(bytes32 requestId, uint256 randomness) external {
    require(msg.sender == vrfCoordinator, "Only VRFCoordinator can fulfill");
    fulfillRandomness(requestId, randomness);
  }
}

## .deps...npm...@chainlink...contracts...src...v0.6...VRFRequestIDBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract VRFRequestIDBase {

  /**
   * @notice returns the seed which is actually input to the VRF coordinator
   *
   * @dev To prevent repetition of VRF output due to repetition of the
   * @dev user-supplied seed, that seed is combined in a hash with the
   * @dev user-specific nonce, and the address of the consuming contract. The
   * @dev risk of repetition is mostly mitigated by inclusion of a blockhash in
   * @dev the final seed, but the nonce does protect against repetition in
   * @dev requests which are included in a single block.
   *
   * @param _userSeed VRF seed input provided by user
   * @param _requester Address of the requesting contract
   * @param _nonce User-specific nonce at the time of the request
   */
  function makeVRFInputSeed(bytes32 _keyHash, uint256 _userSeed,
    address _requester, uint256 _nonce)
    internal pure returns (uint256)
  {
    return  uint256(keccak256(abi.encode(_keyHash, _userSeed, _requester, _nonce)));
  }

  /**
   * @notice Returns the id for this request
   * @param _keyHash The serviceAgreement ID to be used for this request
   * @param _vRFInputSeed The seed to be passed directly to the VRF
   * @return The id for this request
   *
   * @dev Note that _vRFInputSeed is not the seed passed by the consuming
   * @dev contract, but the one generated by makeVRFInputSeed
   */
  function makeRequestId(
    bytes32 _keyHash, uint256 _vRFInputSeed) internal pure returns (bytes32) {
    return keccak256(abi.encodePacked(_keyHash, _vRFInputSeed));
  }
}

## .deps...npm...@openzeppelin...contracts...access...Ownable.sol
// SPDX-License-Identifier: MIT

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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

## .deps...npm...@openzeppelin...contracts...token...ERC1155...ERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the basic standard multi-token.
 * See https://eips.ethereum.org/EIPS/eip-1155
 * Originally based on code by Enjin: https://github.com/enjin/erc-1155
 *
 * _Available since v3.1._
 */
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
    using Address for address;

    // Mapping from token ID to account balances
    mapping(uint256 => mapping(address => uint256)) private _balances;

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

    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
    string private _uri;

    /**
     * @dev See {_setURI}.
     */
    constructor(string memory uri_) {
        _setURI(uri_);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC1155).interfaceId ||
            interfaceId == type(IERC1155MetadataURI).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC1155MetadataURI-uri}.
     *
     * This implementation returns the same URI for *all* token types. It relies
     * on the token type ID substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * Clients calling this function must replace the `\{id\}` substring with the
     * actual token type ID.
     */
    function uri(uint256) public view virtual override returns (string memory) {
        return _uri;
    }

    /**
     * @dev See {IERC1155-balanceOf}.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
        require(account != address(0), "ERC1155: balance query for the zero address");
        return _balances[id][account];
    }

    /**
     * @dev See {IERC1155-balanceOfBatch}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
        public
        view
        virtual
        override
        returns (uint256[] memory)
    {
        require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");

        uint256[] memory batchBalances = new uint256[](accounts.length);

        for (uint256 i = 0; i < accounts.length; ++i) {
            batchBalances[i] = balanceOf(accounts[i], ids[i]);
        }

        return batchBalances;
    }

    /**
     * @dev See {IERC1155-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(_msgSender() != operator, "ERC1155: setting approval status for self");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC1155-isApprovedForAll}.
     */
    function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[account][operator];
    }

    /**
     * @dev See {IERC1155-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: caller is not owner nor approved"
        );
        _safeTransferFrom(from, to, id, amount, data);
    }

    /**
     * @dev See {IERC1155-safeBatchTransferFrom}.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) public virtual override {
        require(
            from == _msgSender() || isApprovedForAll(from, _msgSender()),
            "ERC1155: transfer caller is not owner nor approved"
        );
        _safeBatchTransferFrom(from, to, ids, amounts, data);
    }

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);

        uint256 fromBalance = _balances[id][from];
        require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }
        _balances[id][to] += amount;

        emit TransferSingle(operator, from, to, id, amount);

        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
        require(to != address(0), "ERC1155: transfer to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, from, to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; ++i) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
            _balances[id][to] += amount;
        }

        emit TransferBatch(operator, from, to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
    }

    /**
     * @dev Sets a new URI for all token types, by relying on the token type ID
     * substitution mechanism
     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
     *
     * By this mechanism, any occurrence of the `\{id\}` substring in either the
     * URI or any of the amounts in the JSON file at said URI will be replaced by
     * clients with the token type ID.
     *
     * For example, the `https://token-cdn-domain/\{id\}.json` URI would be
     * interpreted by clients as
     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
     * for token type ID 0x4cce0.
     *
     * See {uri}.
     *
     * Because these URIs cannot be meaningfully represented by the {URI} event,
     * this function emits no events.
     */
    function _setURI(string memory newuri) internal virtual {
        _uri = newuri;
    }

    /**
     * @dev Creates `amount` tokens of token type `id`, and assigns them to `account`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - If `account` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function _mint(
        address account,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(account != address(0), "ERC1155: mint to the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);

        _balances[id][account] += amount;
        emit TransferSingle(operator, address(0), account, id, amount);

        _doSafeTransferAcceptanceCheck(operator, address(0), account, id, amount, data);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function _mintBatch(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "ERC1155: mint to the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; i++) {
            _balances[ids[i]][to] += amounts[i];
        }

        emit TransferBatch(operator, address(0), to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
    }

    /**
     * @dev Destroys `amount` tokens of token type `id` from `account`
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens of token type `id`.
     */
    function _burn(
        address account,
        uint256 id,
        uint256 amount
    ) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");

        uint256 accountBalance = _balances[id][account];
        require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
        unchecked {
            _balances[id][account] = accountBalance - amount;
        }

        emit TransferSingle(operator, account, address(0), id, amount);
    }

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     */
    function _burnBatch(
        address account,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        require(account != address(0), "ERC1155: burn from the zero address");
        require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");

        address operator = _msgSender();

        _beforeTokenTransfer(operator, account, address(0), ids, amounts, "");

        for (uint256 i = 0; i < ids.length; i++) {
            uint256 id = ids[i];
            uint256 amount = amounts[i];

            uint256 accountBalance = _balances[id][account];
            require(accountBalance >= amount, "ERC1155: burn amount exceeds balance");
            unchecked {
                _balances[id][account] = accountBalance - amount;
            }
        }

        emit TransferBatch(operator, account, address(0), ids, amounts);
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning, as well as batched variants.
     *
     * The same hook is called on both single and batched variants. For single
     * transfers, the length of the `id` and `amount` arrays will be 1.
     *
     * Calling conditions (for each `id` and `amount` pair):
     *
     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * of token type `id` will be  transferred to `to`.
     * - When `from` is zero, `amount` tokens of token type `id` will be minted
     * for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
     * will be burned.
     * - `from` and `to` are never both zero.
     * - `ids` and `amounts` have the same, non-zero length.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    function _doSafeTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155Receiver(to).onERC1155Received.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _doSafeBatchTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) private {
        if (to.isContract()) {
            try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                bytes4 response
            ) {
                if (response != IERC1155Receiver(to).onERC1155BatchReceived.selector) {
                    revert("ERC1155: ERC1155Receiver rejected tokens");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("ERC1155: transfer to non ERC1155Receiver implementer");
            }
        }
    }

    function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
}

## .deps...npm...@openzeppelin...contracts...token...ERC1155...extensions...IERC1155MetadataURI.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC1155.sol";

/**
 * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
 * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155MetadataURI is IERC1155 {
    /**
     * @dev Returns the URI for token type `id`.
     *
     * If the `\{id\}` substring is present in the URI, it must be replaced by
     * clients with the actual token type ID.
     */
    function uri(uint256 id) external view returns (string memory);
}

## .deps...npm...@openzeppelin...contracts...token...ERC1155...IERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

## .deps...npm...@openzeppelin...contracts...token...ERC1155...IERC1155Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
        @dev Handles the receipt of a single ERC1155 token type. This function is
        called at the end of a `safeTransferFrom` after the balance has been updated.
        To accept the transfer, this must return
        `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
        (i.e. 0xf23a6e61, or its own function selector).
        @param operator The address which initiated the transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param id The ID of the token being transferred
        @param value The amount of tokens being transferred
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
    */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
        @dev Handles the receipt of a multiple ERC1155 token types. This function
        is called at the end of a `safeBatchTransferFrom` after the balances have
        been updated. To accept the transfer(s), this must return
        `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
        (i.e. 0xbc197c81, or its own function selector).
        @param operator The address which initiated the batch transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param ids An array containing ids of each token being transferred (order and length must match values array)
        @param values An array containing amounts of each token being transferred (order and length must match ids array)
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
    */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

## .deps...npm...@openzeppelin...contracts...token...ERC20...ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The defaut value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);

        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

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

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

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

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        _balances[account] = accountBalance - amount;
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

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

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens 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 amount) internal virtual { }
}

## .deps...npm...@openzeppelin...contracts...token...ERC20...extensions...IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

## .deps...npm...@openzeppelin...contracts...token...ERC20...IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

## .deps...npm...@openzeppelin...contracts...token...ERC721...ERC721.sol
// SPDX-License-Identifier: MIT

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}. 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 {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

    /**
     * @dev 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(to).onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    // solhint-disable-next-line no-inline-assembly
                    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` 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 { }
}

## .deps...npm...@openzeppelin...contracts...token...ERC721...extensions...ERC721URIStorage.sol
// SPDX-License-Identifier: MIT

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];
        }
    }
}

## .deps...npm...@openzeppelin...contracts...token...ERC721...extensions...IERC721Metadata.sol
// SPDX-License-Identifier: MIT

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);
}

## .deps...npm...@openzeppelin...contracts...token...ERC721...IERC721.sol
// SPDX-License-Identifier: MIT

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;
}

## .deps...npm...@openzeppelin...contracts...token...ERC721...IERC721Receiver.sol
// SPDX-License-Identifier: MIT

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);
}

## .deps...npm...@openzeppelin...contracts...utils...Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

## .deps...npm...@openzeppelin...contracts...utils...Context.sol
// SPDX-License-Identifier: MIT

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) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

## .deps...npm...@openzeppelin...contracts...utils...Counters.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

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

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

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }
}

## .deps...npm...@openzeppelin...contracts...utils...introspection...ERC165.sol
// SPDX-License-Identifier: MIT

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;
    }
}

## .deps...npm...@openzeppelin...contracts...utils...introspection...IERC165.sol
// SPDX-License-Identifier: MIT

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);
}

## .deps...npm...@openzeppelin...contracts...utils...math...SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

## .deps...npm...@openzeppelin...contracts...utils...Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant alphabet = "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] = alphabet[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

}

## README.txt
REMIX EXAMPLE PROJECT

Remix example project is present when Remix loads very first time or there are no files existing in the File Explorer.
It contains 3 directories:

1. 'contracts': Holds three contracts with different complexity level, denoted with number prefix in file name.
2. 'scripts': Holds two scripts to deploy a contract. It is explained below.
3. 'tests': Contains one test file for 'Ballot' contract with unit tests in Solidity.

SCRIPTS

The 'scripts' folder contains example async/await scripts for deploying the 'Storage' contract.
For the deployment of any other contract, 'contractName' and 'constructorArgs' should be updated (along with other code if required).
Scripts have full access to the web3.js and ethers.js libraries.

To run a script, right click on file name in the file explorer and click 'Run'. Remember, Solidity file must already be compiled.

Output from script will appear in remix terminal.

## contracts...1_Storage.sol
// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Storage
 * @dev Store & retrieve value in a variable
 */
contract Storage {

    uint256 number;

    /**
     * @dev Store value in variable
     * @param num value to store
     */
    function store(uint256 num) public {
        number = num;
    }

    /**
     * @dev Return value
     * @return value of 'number'
     */
    function retrieve() public view returns (uint256){
        return number;
    }
}

## contracts...2_Owner.sol
// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Owner
 * @dev Set & change owner
 */
contract Owner {

    address private owner;

    // event for EVM logging
    event OwnerSet(address indexed oldOwner, address indexed newOwner);

    // modifier to check if caller is owner
    modifier isOwner() {
        // If the first argument of 'require' evaluates to 'false', execution terminates and all
        // changes to the state and to Ether balances are reverted.
        // This used to consume all gas in old EVM versions, but not anymore.
        // It is often a good idea to use 'require' to check if functions are called correctly.
        // As a second argument, you can also provide an explanation about what went wrong.
        require(msg.sender == owner, "Caller is not owner");
        _;
    }

    /**
     * @dev Set contract deployer as owner
     */
    constructor() {
        owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
        emit OwnerSet(address(0), owner);
    }

    /**
     * @dev Change owner
     * @param newOwner address of new owner
     */
    function changeOwner(address newOwner) public isOwner {
        emit OwnerSet(owner, newOwner);
        owner = newOwner;
    }

    /**
     * @dev Return owner address
     * @return address of owner
     */
    function getOwner() external view returns (address) {
        return owner;
    }
}

## contracts...3_Ballot.sol
// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Ballot
 * @dev Implements voting process along with vote delegation
 */
contract Ballot {

    struct Voter {
        uint weight; // weight is accumulated by delegation
        bool voted;  // if true, that person already voted
        address delegate; // person delegated to
        uint vote;   // index of the voted proposal
    }

    struct Proposal {
        // If you can limit the length to a certain number of bytes,
        // always use one of bytes1 to bytes32 because they are much cheaper
        bytes32 name;   // short name (up to 32 bytes)
        uint voteCount; // number of accumulated votes
    }

    address public chairperson;

    mapping(address => Voter) public voters;

    Proposal[] public proposals;

    /**
     * @dev Create a new ballot to choose one of 'proposalNames'.
     * @param proposalNames names of proposals
     */
    constructor(bytes32[] memory proposalNames) {
        chairperson = msg.sender;
        voters[chairperson].weight = 1;

        for (uint i = 0; i < proposalNames.length; i++) {
            // 'Proposal({...})' creates a temporary
            // Proposal object and 'proposals.push(...)'
            // appends it to the end of 'proposals'.
            proposals.push(Proposal({
                name: proposalNames[i],
                voteCount: 0
            }));
        }
    }

    /**
     * @dev Give 'voter' the right to vote on this ballot. May only be called by 'chairperson'.
     * @param voter address of voter
     */
    function giveRightToVote(address voter) public {
        require(
            msg.sender == chairperson,
            "Only chairperson can give right to vote."
        );
        require(
            !voters[voter].voted,
            "The voter already voted."
        );
        require(voters[voter].weight == 0);
        voters[voter].weight = 1;
    }

    /**
     * @dev Delegate your vote to the voter 'to'.
     * @param to address to which vote is delegated
     */
    function delegate(address to) public {
        Voter storage sender = voters[msg.sender];
        require(!sender.voted, "You already voted.");
        require(to != msg.sender, "Self-delegation is disallowed.");

        while (voters[to].delegate != address(0)) {
            to = voters[to].delegate;

            // We found a loop in the delegation, not allowed.
            require(to != msg.sender, "Found loop in delegation.");
        }
        sender.voted = true;
        sender.delegate = to;
        Voter storage delegate_ = voters[to];
        if (delegate_.voted) {
            // If the delegate already voted,
            // directly add to the number of votes
            proposals[delegate_.vote].voteCount += sender.weight;
        } else {
            // If the delegate did not vote yet,
            // add to her weight.
            delegate_.weight += sender.weight;
        }
    }

    /**
     * @dev Give your vote (including votes delegated to you) to proposal 'proposals[proposal].name'.
     * @param proposal index of proposal in the proposals array
     */
    function vote(uint proposal) public {
        Voter storage sender = voters[msg.sender];
        require(sender.weight != 0, "Has no right to vote");
        require(!sender.voted, "Already voted.");
        sender.voted = true;
        sender.vote = proposal;

        // If 'proposal' is out of the range of the array,
        // this will throw automatically and revert all
        // changes.
        proposals[proposal].voteCount += sender.weight;
    }

    /**
     * @dev Computes the winning proposal taking all previous votes into account.
     * @return winningProposal_ index of winning proposal in the proposals array
     */
    function winningProposal() public view
            returns (uint winningProposal_)
    {
        uint winningVoteCount = 0;
        for (uint p = 0; p < proposals.length; p++) {
            if (proposals[p].voteCount > winningVoteCount) {
                winningVoteCount = proposals[p].voteCount;
                winningProposal_ = p;
            }
        }
    }

    /**
     * @dev Calls winningProposal() function to get the index of the winner contained in the proposals array and then
     * @return winnerName_ the name of the winner
     */
    function winnerName() public view
            returns (bytes32 winnerName_)
    {
        winnerName_ = proposals[winningProposal()].name;
    }
}

## contracts...artifacts...AggregatorV3Interface.json
{
	"deploy": {
		"VM:-": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"main:1": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"ropsten:3": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"rinkeby:4": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"kovan:42": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"görli:5": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"Custom": {
			"linkReferences": {},
			"autoDeployLib": true
		}
	},
	"data": {
		"bytecode": {
			"linkReferences": {},
			"object": "",
			"opcodes": "",
			"sourceMap": ""
		},
		"deployedBytecode": {
			"immutableReferences": {},
			"linkReferences": {},
			"object": "",
			"opcodes": "",
			"sourceMap": ""
		},
		"gasEstimates": null,
		"methodIdentifiers": {
			"decimals()": "313ce567",
			"description()": "7284e416",
			"getRoundData(uint80)": "9a6fc8f5",
			"latestRoundData()": "feaf968c",
			"version()": "54fd4d50"
		}
	},
	"abi": [
		{
			"inputs": [],
			"name": "decimals",
			"outputs": [
				{
					"internalType": "uint8",
					"name": "",
					"type": "uint8"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "description",
			"outputs": [
				{
					"internalType": "string",
					"name": "",
					"type": "string"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint80",
					"name": "_roundId",
					"type": "uint80"
				}
			],
			"name": "getRoundData",
			"outputs": [
				{
					"internalType": "uint80",
					"name": "roundId",
					"type": "uint80"
				},
				{
					"internalType": "int256",
					"name": "answer",
					"type": "int256"
				},
				{
					"internalType": "uint256",
					"name": "startedAt",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "updatedAt",
					"type": "uint256"
				},
				{
					"internalType": "uint80",
					"name": "answeredInRound",
					"type": "uint80"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "latestRoundData",
			"outputs": [
				{
					"internalType": "uint80",
					"name": "roundId",
					"type": "uint80"
				},
				{
					"internalType": "int256",
					"name": "answer",
					"type": "int256"
				},
				{
					"internalType": "uint256",
					"name": "startedAt",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "updatedAt",
					"type": "uint256"
				},
				{
					"internalType": "uint80",
					"name": "answeredInRound",
					"type": "uint80"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "version",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		}
	]
}

## contracts...artifacts...AggregatorV3Interface_metadata.json
{
	"compiler": {
		"version": "0.6.12+commit.27d51765"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"inputs": [],
				"name": "decimals",
				"outputs": [
					{
						"internalType": "uint8",
						"name": "",
						"type": "uint8"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "description",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint80",
						"name": "_roundId",
						"type": "uint80"
					}
				],
				"name": "getRoundData",
				"outputs": [
					{
						"internalType": "uint80",
						"name": "roundId",
						"type": "uint80"
					},
					{
						"internalType": "int256",
						"name": "answer",
						"type": "int256"
					},
					{
						"internalType": "uint256",
						"name": "startedAt",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "updatedAt",
						"type": "uint256"
					},
					{
						"internalType": "uint80",
						"name": "answeredInRound",
						"type": "uint80"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "latestRoundData",
				"outputs": [
					{
						"internalType": "uint80",
						"name": "roundId",
						"type": "uint80"
					},
					{
						"internalType": "int256",
						"name": "answer",
						"type": "int256"
					},
					{
						"internalType": "uint256",
						"name": "startedAt",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "updatedAt",
						"type": "uint256"
					},
					{
						"internalType": "uint80",
						"name": "answeredInRound",
						"type": "uint80"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "version",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			}
		],
		"devdoc": {
			"kind": "dev",
			"methods": {},
			"version": 1
		},
		"userdoc": {
			"kind": "user",
			"methods": {},
			"version": 1
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/MaticOracle.sol": "AggregatorV3Interface"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"metadata": {
			"bytecodeHash": "ipfs"
		},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"contracts/MaticOracle.sol": {
			"keccak256": "0x29f9c52ccc2a0c04aae30ffc541f3c90f3befff148a4f39a35fb709e77e9aa02",
			"license": "MIT",
			"urls": [
				"bzz-raw://8918944120e086eefe6af8af062eade704384b7141bbd08c00b78f0f8261931e",
				"dweb:/ipfs/QmU4z5YshPzB3YWuc8nA7GNzNw1eGhpU2pdaLBJFFeMMsG"
			]
		}
	},
	"version": 1
}

## contracts...artifacts...BettingGame.json
{
	"deploy": {
		"VM:-": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"main:1": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"ropsten:3": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"rinkeby:4": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"kovan:42": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"görli:5": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"Custom": {
			"linkReferences": {},
			"autoDeployLib": true
		}
	},
	"data": {
		"bytecode": {
			"linkReferences": {},
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			"opcodes": "PUSH1 0xC0 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH20 0xB3DCCB4CF7A26F6CF6B120CF5A73875B7BBC655B PUSH20 0x1BE23585060835E02B77EF475B0CC51AA1E0709 DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0xA0 DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x60 SHL DUP2 MSTORE POP POP DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x80 DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x60 SHL DUP2 MSTORE POP POP POP POP PUSH8 0x16345785D8A0000 PUSH1 0x2 DUP2 SWAP1 SSTORE POP CALLER PUSH1 0x6 PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH20 0x8A753747A1FA494EC906CE90E9F37563A8AF630E PUSH1 0x1 PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH1 0x80 MLOAD PUSH1 0x60 SHR PUSH1 0xA0 MLOAD PUSH1 0x60 SHR PUSH2 0x1586 PUSH2 0x188 PUSH1 0x0 CODECOPY DUP1 PUSH2 0xB0E MSTORE DUP1 PUSH2 0x11F1 MSTORE POP DUP1 PUSH2 0x760 MSTORE DUP1 PUSH2 0x1038 MSTORE DUP1 PUSH2 0x11B5 MSTORE POP PUSH2 0x1586 PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAB JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x83F818B4 GT PUSH2 0x64 JUMPI DUP1 PUSH4 0x83F818B4 EQ PUSH2 0x286 JUMPI DUP1 PUSH4 0x94985DDD EQ PUSH2 0x2D6 JUMPI DUP1 PUSH4 0xA9D1E30A EQ PUSH2 0x31B JUMPI DUP1 PUSH4 0xD3DC1FDF EQ PUSH2 0x346 JUMPI DUP1 PUSH4 0xD7C81B55 EQ PUSH2 0x374 JUMPI DUP1 PUSH4 0xF851A440 EQ PUSH2 0x39F JUMPI PUSH2 0x100 JUMP JUMPDEST DUP1 PUSH4 0x117A5B90 EQ PUSH2 0x105 JUMPI DUP1 PUSH4 0x238618E7 EQ PUSH2 0x19C JUMPI DUP1 PUSH4 0x3BED33CE EQ PUSH2 0x1C7 JUMPI DUP1 PUSH4 0x3EE9D648 EQ PUSH2 0x1F5 JUMPI DUP1 PUSH4 0x42619F66 EQ PUSH2 0x220 JUMPI DUP1 PUSH4 0x7A8042BD EQ PUSH2 0x24B JUMPI PUSH2 0x100 JUMP JUMPDEST CALLDATASIZE PUSH2 0x100 JUMPI CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0x88A5966D370B9919B20F3E2C13FF65706F196A4E32CC2C12BF57088F88525874 CALLVALUE PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 STOP JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x111 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13E PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x128 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x3F6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP7 DUP2 MSTORE PUSH1 0x20 ADD DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B1 PUSH2 0x44C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1F3 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1DD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x47A JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x201 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x20A PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x235 PUSH2 0x695 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x26E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x69B JUMP JUMPDEST STOP JUMPDEST PUSH2 0x2BC PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x40 DUP2 LT ISZERO PUSH2 0x29C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x8B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x319 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x40 DUP2 LT ISZERO PUSH2 0x2F9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0xB0C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x327 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x330 PUSH2 0xBDB JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x372 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x35C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0xCC4 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x380 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x389 PUSH2 0x1005 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B4 PUSH2 0x100B JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE DUP1 PUSH1 0x0 MSTORE PUSH1 0x40 PUSH1 0x0 KECCAK256 PUSH1 0x0 SWAP2 POP SWAP1 POP DUP1 PUSH1 0x0 ADD SLOAD SWAP1 DUP1 PUSH1 0x1 ADD SLOAD SWAP1 DUP1 PUSH1 0x2 ADD SLOAD SWAP1 DUP1 PUSH1 0x3 ADD SLOAD SWAP1 DUP1 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x457 PUSH2 0xBDB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 PUSH11 0x52B7D2DCC80CD2E4000000 DUP2 PUSH2 0x46F JUMPI INVALID JUMPDEST SDIV SWAP1 POP DUP1 SWAP3 POP POP POP SWAP1 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x53D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x17 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x63616C6C6572206973206E6F74207468652061646D696E000000000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 SELFBALANCE LT ISZERO PUSH2 0x596 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x27 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH2 0x14F8 PUSH1 0x27 SWAP2 CODECOPY PUSH1 0x40 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x8FC DUP3 SWAP1 DUP2 ISZERO MUL SWAP1 PUSH1 0x40 MLOAD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x5FE JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH32 0x884EDAD9CE6FA2440D8A54CC123490EB96D2768479D49FF9C7366125A9424364 PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH1 0x40 MLOAD DUP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x75E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x17 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x63616C6C6572206973206E6F74207468652061646D696E000000000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xA9059CBB CALLER DUP4 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x819 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x82F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x8B2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x19 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20756E61626C6520746F207472616E7366657200000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x8C0 PUSH2 0x44C JUMP JUMPDEST SWAP1 POP DUP1 CALLVALUE LT ISZERO PUSH2 0x938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1E DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C206D73672E76616C7565206D757374206265203E3D2024310000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x1 DUP5 GT ISZERO PUSH2 0x9AF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1A DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20616363657074206F6E6C79203020616E642031000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST CALLVALUE SELFBALANCE LT ISZERO PUSH2 0xA25 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x20 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20696E737566666963656E74207661756C742062616C616E6365 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0xA0 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x4 SLOAD DUP2 MSTORE PUSH1 0x20 ADD DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD CALLVALUE DUP2 MSTORE PUSH1 0x20 ADD CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE POP PUSH1 0x7 PUSH1 0x0 PUSH1 0x4 SLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 ADD MLOAD DUP2 PUSH1 0x0 ADD SSTORE PUSH1 0x20 DUP3 ADD MLOAD DUP2 PUSH1 0x1 ADD SSTORE PUSH1 0x40 DUP3 ADD MLOAD DUP2 PUSH1 0x2 ADD SSTORE PUSH1 0x60 DUP3 ADD MLOAD DUP2 PUSH1 0x3 ADD SSTORE PUSH1 0x80 DUP3 ADD MLOAD DUP2 PUSH1 0x4 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP SWAP1 POP POP PUSH1 0x1 PUSH1 0x4 SLOAD ADD PUSH1 0x4 DUP2 SWAP1 SSTORE POP PUSH2 0xB00 DUP4 PUSH2 0x1031 JUMP JUMPDEST POP PUSH1 0x1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBCD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1F DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4F6E6C7920565246436F6F7264696E61746F722063616E2066756C66696C6C00 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0xBD7 DUP3 DUP3 PUSH2 0x119B JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x1 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xFEAF968C PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0xA0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP7 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xC4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0xC60 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0xA0 DUP2 LT ISZERO PUSH2 0xC76 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP SWAP5 POP SWAP5 POP SWAP5 POP SWAP5 POP SWAP5 POP DUP4 SWAP6 POP POP POP POP POP POP SWAP1 JUMP JUMPDEST PUSH20 0xB3DCCB4CF7A26F6CF6B120CF5A73875B7BBC655B PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xD79 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x20 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x6F6E6C7920564652432063616E2063616C6C20746869732066756E6374696F6E DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x5 SLOAD SWAP1 POP JUMPDEST PUSH1 0x4 SLOAD DUP2 LT ISZERO PUSH2 0xFF8 JUMPI PUSH1 0x0 DUP1 SWAP1 POP PUSH32 0x8000000000000000000000000000000000000000000000000000000000000000 DUP4 LT ISZERO DUP1 ISZERO PUSH2 0xDD6 JUMPI POP PUSH1 0x1 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD EQ JUMPDEST DUP1 PUSH2 0xE22 JUMPI POP PUSH32 0x8000000000000000000000000000000000000000000000000000000000000000 DUP4 LT DUP1 ISZERO PUSH2 0xE21 JUMPI POP PUSH1 0x0 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD EQ JUMPDEST JUMPDEST ISZERO PUSH2 0xEC1 JUMPI PUSH1 0x2 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x3 ADD SLOAD MUL SWAP1 POP PUSH1 0x7 PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x8FC DUP3 SWAP1 DUP2 ISZERO MUL SWAP1 PUSH1 0x40 MLOAD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEBF JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH32 0x42454DD863E57D7FC7C2C8C6A3D1385748E0C2C5224B37D27CAD5FB088DDF47B PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x2 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP8 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP9 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP7 DUP10 TIMESTAMP PUSH1 0x40 MLOAD DUP1 DUP10 DUP2 MSTORE PUSH1 0x20 ADD DUP9 DUP2 MSTORE PUSH1 0x20 ADD DUP8 DUP2 MSTORE PUSH1 0x20 ADD DUP7 DUP2 MSTORE PUSH1 0x20 ADD DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP9 POP POP POP POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP DUP1 DUP1 PUSH1 0x1 ADD SWAP2 POP POP PUSH2 0xD81 JUMP JUMPDEST POP PUSH1 0x4 SLOAD PUSH1 0x5 DUP2 SWAP1 SSTORE POP POP JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 SLOAD PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x70A08231 ADDRESS PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP7 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x10D3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0x10E7 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x10FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP GT PUSH2 0x1164 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x32 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH2 0x151F PUSH1 0x32 SWAP2 CODECOPY PUSH1 0x40 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x1194 PUSH32 0x2ED0FEB3E7FD2022120AA84FAB1945545A9F2FFC9076FD6156FA96EAFF4C1311 PUSH1 0x0 SHL PUSH1 0x2 SLOAD DUP5 PUSH2 0x11B1 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST DUP1 PUSH1 0x3 DUP2 SWAP1 SSTORE POP PUSH2 0x11AD PUSH1 0x3 SLOAD PUSH2 0xCC4 JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x4000AEA0 PUSH32 0x0 DUP6 DUP8 DUP7 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP5 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12C0 JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0x12A5 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x12ED JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP5 POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x130E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1322 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1338 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP POP PUSH1 0x0 PUSH2 0x136A DUP6 DUP5 ADDRESS PUSH1 0x0 DUP1 DUP11 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0x13BC JUMP JUMPDEST SWAP1 POP PUSH2 0x1392 PUSH1 0x1 PUSH1 0x0 DUP1 DUP9 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0x1436 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x0 DUP1 DUP8 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x13B2 DUP6 DUP3 PUSH2 0x14BE JUMP JUMPDEST SWAP2 POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP5 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP5 POP POP POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 PUSH1 0x0 SHR SWAP1 POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 ADD SWAP1 POP DUP4 DUP2 LT ISZERO PUSH2 0x14B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1B DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x536166654D6174683A206164646974696F6E206F766572666C6F770000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 SWAP1 POP SWAP3 SWAP2 POP POP JUMP INVALID GASLIMIT PUSH19 0x726F722C20636F6E7472616374206861732069 PUSH15 0x737566666963656E742062616C616E PUSH4 0x65457272 PUSH16 0x722C206E6F7420656E6F756768204C49 0x4E 0x4B KECCAK256 0x2D KECCAK256 PUSH7 0x696C6C20636F6E PUSH21 0x72616374207769746820666175636574A264697066 PUSH20 0x5822122014F54C18613722AC260ABDFB610B88F9 0x1E EQ RETURNDATACOPY RETURN SWAP5 0xE1 0xB6 PUSH24 0xC442A4710706156364736F6C634300060600330000000000 ",
			"sourceMap": "861:5736:0:-:0;;;2493:402;5:9:-1;2:2;;;27:1;24;17:12;2:2;2493:402:0;1158:42;1256;9015:15:2;8998:32;;;;;;;;;;;;9062:5;9036:32;;;;;;;;;;;;8933:140;;2571:14:0::1;2565:3;:20;;;;2612:10;2604:5;;:18;;;;;;;;;;;;;;;;;;2846:42;2815:6;;:74;;;;;;;;;;;;;;;;;;861:5736:::0;;;;;;;;;;;;;;;;"
		},
		"deployedBytecode": {
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			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAB JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x83F818B4 GT PUSH2 0x64 JUMPI DUP1 PUSH4 0x83F818B4 EQ PUSH2 0x286 JUMPI DUP1 PUSH4 0x94985DDD EQ PUSH2 0x2D6 JUMPI DUP1 PUSH4 0xA9D1E30A EQ PUSH2 0x31B JUMPI DUP1 PUSH4 0xD3DC1FDF EQ PUSH2 0x346 JUMPI DUP1 PUSH4 0xD7C81B55 EQ PUSH2 0x374 JUMPI DUP1 PUSH4 0xF851A440 EQ PUSH2 0x39F JUMPI PUSH2 0x100 JUMP JUMPDEST DUP1 PUSH4 0x117A5B90 EQ PUSH2 0x105 JUMPI DUP1 PUSH4 0x238618E7 EQ PUSH2 0x19C JUMPI DUP1 PUSH4 0x3BED33CE EQ PUSH2 0x1C7 JUMPI DUP1 PUSH4 0x3EE9D648 EQ PUSH2 0x1F5 JUMPI DUP1 PUSH4 0x42619F66 EQ PUSH2 0x220 JUMPI DUP1 PUSH4 0x7A8042BD EQ PUSH2 0x24B JUMPI PUSH2 0x100 JUMP JUMPDEST CALLDATASIZE PUSH2 0x100 JUMPI CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0x88A5966D370B9919B20F3E2C13FF65706F196A4E32CC2C12BF57088F88525874 CALLVALUE PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 STOP JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x111 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13E PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x128 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x3F6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP7 DUP2 MSTORE PUSH1 0x20 ADD DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B1 PUSH2 0x44C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1F3 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1DD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x47A JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x201 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x20A PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x235 PUSH2 0x695 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x26E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x69B JUMP JUMPDEST STOP JUMPDEST PUSH2 0x2BC PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x40 DUP2 LT ISZERO PUSH2 0x29C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x8B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x319 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x40 DUP2 LT ISZERO PUSH2 0x2F9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0xB0C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x327 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x330 PUSH2 0xBDB JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x372 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x35C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0xCC4 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x380 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x389 PUSH2 0x1005 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B4 PUSH2 0x100B JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE DUP1 PUSH1 0x0 MSTORE PUSH1 0x40 PUSH1 0x0 KECCAK256 PUSH1 0x0 SWAP2 POP SWAP1 POP DUP1 PUSH1 0x0 ADD SLOAD SWAP1 DUP1 PUSH1 0x1 ADD SLOAD SWAP1 DUP1 PUSH1 0x2 ADD SLOAD SWAP1 DUP1 PUSH1 0x3 ADD SLOAD SWAP1 DUP1 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x457 PUSH2 0xBDB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 PUSH11 0x52B7D2DCC80CD2E4000000 DUP2 PUSH2 0x46F JUMPI INVALID JUMPDEST SDIV SWAP1 POP DUP1 SWAP3 POP POP POP SWAP1 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x53D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x17 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x63616C6C6572206973206E6F74207468652061646D696E000000000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 SELFBALANCE LT ISZERO PUSH2 0x596 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x27 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH2 0x14F8 PUSH1 0x27 SWAP2 CODECOPY PUSH1 0x40 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x8FC DUP3 SWAP1 DUP2 ISZERO MUL SWAP1 PUSH1 0x40 MLOAD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x5FE JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH32 0x884EDAD9CE6FA2440D8A54CC123490EB96D2768479D49FF9C7366125A9424364 PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH1 0x40 MLOAD DUP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x75E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x17 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x63616C6C6572206973206E6F74207468652061646D696E000000000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xA9059CBB CALLER DUP4 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x819 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x82F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x8B2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x19 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20756E61626C6520746F207472616E7366657200000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x8C0 PUSH2 0x44C JUMP JUMPDEST SWAP1 POP DUP1 CALLVALUE LT ISZERO PUSH2 0x938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1E DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C206D73672E76616C7565206D757374206265203E3D2024310000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x1 DUP5 GT ISZERO PUSH2 0x9AF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1A DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20616363657074206F6E6C79203020616E642031000000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST CALLVALUE SELFBALANCE LT ISZERO PUSH2 0xA25 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x20 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4572726F722C20696E737566666963656E74207661756C742062616C616E6365 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0xA0 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x4 SLOAD DUP2 MSTORE PUSH1 0x20 ADD DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD CALLVALUE DUP2 MSTORE PUSH1 0x20 ADD CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE POP PUSH1 0x7 PUSH1 0x0 PUSH1 0x4 SLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 ADD MLOAD DUP2 PUSH1 0x0 ADD SSTORE PUSH1 0x20 DUP3 ADD MLOAD DUP2 PUSH1 0x1 ADD SSTORE PUSH1 0x40 DUP3 ADD MLOAD DUP2 PUSH1 0x2 ADD SSTORE PUSH1 0x60 DUP3 ADD MLOAD DUP2 PUSH1 0x3 ADD SSTORE PUSH1 0x80 DUP3 ADD MLOAD DUP2 PUSH1 0x4 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP SWAP1 POP POP PUSH1 0x1 PUSH1 0x4 SLOAD ADD PUSH1 0x4 DUP2 SWAP1 SSTORE POP PUSH2 0xB00 DUP4 PUSH2 0x1031 JUMP JUMPDEST POP PUSH1 0x1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBCD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1F DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x4F6E6C7920565246436F6F7264696E61746F722063616E2066756C66696C6C00 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0xBD7 DUP3 DUP3 PUSH2 0x119B JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x1 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xFEAF968C PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0xA0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP7 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xC4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0xC60 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0xA0 DUP2 LT ISZERO PUSH2 0xC76 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP SWAP5 POP SWAP5 POP SWAP5 POP SWAP5 POP SWAP5 POP DUP4 SWAP6 POP POP POP POP POP POP SWAP1 JUMP JUMPDEST PUSH20 0xB3DCCB4CF7A26F6CF6B120CF5A73875B7BBC655B PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xD79 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x20 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x6F6E6C7920564652432063616E2063616C6C20746869732066756E6374696F6E DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x5 SLOAD SWAP1 POP JUMPDEST PUSH1 0x4 SLOAD DUP2 LT ISZERO PUSH2 0xFF8 JUMPI PUSH1 0x0 DUP1 SWAP1 POP PUSH32 0x8000000000000000000000000000000000000000000000000000000000000000 DUP4 LT ISZERO DUP1 ISZERO PUSH2 0xDD6 JUMPI POP PUSH1 0x1 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD EQ JUMPDEST DUP1 PUSH2 0xE22 JUMPI POP PUSH32 0x8000000000000000000000000000000000000000000000000000000000000000 DUP4 LT DUP1 ISZERO PUSH2 0xE21 JUMPI POP PUSH1 0x0 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD EQ JUMPDEST JUMPDEST ISZERO PUSH2 0xEC1 JUMPI PUSH1 0x2 PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x3 ADD SLOAD MUL SWAP1 POP PUSH1 0x7 PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x8FC DUP3 SWAP1 DUP2 ISZERO MUL SWAP1 PUSH1 0x40 MLOAD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEBF JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH32 0x42454DD863E57D7FC7C2C8C6A3D1385748E0C2C5224B37D27CAD5FB088DDF47B PUSH1 0x7 PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x2 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP8 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0x7 PUSH1 0x0 DUP9 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x4 ADD PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP7 DUP10 TIMESTAMP PUSH1 0x40 MLOAD DUP1 DUP10 DUP2 MSTORE PUSH1 0x20 ADD DUP9 DUP2 MSTORE PUSH1 0x20 ADD DUP8 DUP2 MSTORE PUSH1 0x20 ADD DUP7 DUP2 MSTORE PUSH1 0x20 ADD DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP9 POP POP POP POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP DUP1 DUP1 PUSH1 0x1 ADD SWAP2 POP POP PUSH2 0xD81 JUMP JUMPDEST POP PUSH1 0x4 SLOAD PUSH1 0x5 DUP2 SWAP1 SSTORE POP POP JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 SLOAD PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x70A08231 ADDRESS PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP7 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x10D3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0x10E7 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x10FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP GT PUSH2 0x1164 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x32 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH2 0x151F PUSH1 0x32 SWAP2 CODECOPY PUSH1 0x40 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x1194 PUSH32 0x2ED0FEB3E7FD2022120AA84FAB1945545A9F2FFC9076FD6156FA96EAFF4C1311 PUSH1 0x0 SHL PUSH1 0x2 SLOAD DUP5 PUSH2 0x11B1 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST DUP1 PUSH1 0x3 DUP2 SWAP1 SSTORE POP PUSH2 0x11AD PUSH1 0x3 SLOAD PUSH2 0xCC4 JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 PUSH32 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x4000AEA0 PUSH32 0x0 DUP6 DUP8 DUP7 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP5 PUSH4 0xFFFFFFFF AND PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12C0 JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0x12A5 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x12ED JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP5 POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x130E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1322 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1338 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP POP PUSH1 0x0 PUSH2 0x136A DUP6 DUP5 ADDRESS PUSH1 0x0 DUP1 DUP11 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0x13BC JUMP JUMPDEST SWAP1 POP PUSH2 0x1392 PUSH1 0x1 PUSH1 0x0 DUP1 DUP9 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0x1436 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x0 DUP1 DUP8 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x13B2 DUP6 DUP3 PUSH2 0x14BE JUMP JUMPDEST SWAP2 POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP5 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP6 DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP5 POP POP POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 PUSH1 0x0 SHR SWAP1 POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 ADD SWAP1 POP DUP4 DUP2 LT ISZERO PUSH2 0x14B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE PUSH1 0x1B DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH32 0x536166654D6174683A206164646974696F6E206F766572666C6F770000000000 DUP2 MSTORE POP PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 SWAP1 POP SWAP3 SWAP2 POP POP JUMP INVALID GASLIMIT PUSH19 0x726F722C20636F6E7472616374206861732069 PUSH15 0x737566666963656E742062616C616E PUSH4 0x65457272 PUSH16 0x722C206E6F7420656E6F756768204C49 0x4E 0x4B KECCAK256 0x2D KECCAK256 PUSH7 0x696C6C20636F6E PUSH21 0x72616374207769746820666175636574A264697066 PUSH20 0x5822122014F54C18613722AC260ABDFB610B88F9 0x1E EQ RETURNDATACOPY RETURN SWAP5 0xE1 0xB6 PUSH24 0xC442A4710706156364736F6C634300060600330000000000 ",
			"sourceMap": 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		},
		"gasEstimates": {
			"creation": {
				"codeDepositCost": "1102000",
				"executionCost": "infinite",
				"totalCost": "infinite"
			},
			"external": {
				"admin()": "1163",
				"ethInUsd()": "infinite",
				"game(uint256,uint256)": "infinite",
				"gameId()": "1093",
				"games(uint256)": "4554",
				"lastGameId()": "1072",
				"randomResult()": "1094",
				"rawFulfillRandomness(bytes32,uint256)": "infinite",
				"verdict(uint256)": "infinite",
				"weiInUsd()": "infinite",
				"withdrawEther(uint256)": "infinite",
				"withdrawLink(uint256)": "infinite"
			},
			"internal": {
				"fulfillRandomness(bytes32,uint256)": "infinite",
				"getRandomNumber(uint256)": "infinite"
			}
		},
		"methodIdentifiers": {
			"admin()": "f851a440",
			"ethInUsd()": "a9d1e30a",
			"game(uint256,uint256)": "83f818b4",
			"gameId()": "d7c81b55",
			"games(uint256)": "117a5b90",
			"lastGameId()": "3ee9d648",
			"randomResult()": "42619f66",
			"rawFulfillRandomness(bytes32,uint256)": "94985ddd",
			"verdict(uint256)": "d3dc1fdf",
			"weiInUsd()": "238618e7",
			"withdrawEther(uint256)": "3bed33ce",
			"withdrawLink(uint256)": "7a8042bd"
		}
	},
	"abi": [
		{
			"inputs": [],
			"stateMutability": "nonpayable",
			"type": "constructor"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": true,
					"internalType": "address",
					"name": "sender",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "Received",
			"type": "event"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "id",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "bet",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "randomSeed",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "address",
					"name": "player",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "winAmount",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "randomResult",
					"type": "uint256"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "time",
					"type": "uint256"
				}
			],
			"name": "Result",
			"type": "event"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": false,
					"internalType": "address",
					"name": "admin",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "Withdraw",
			"type": "event"
		},
		{
			"inputs": [],
			"name": "admin",
			"outputs": [
				{
					"internalType": "address payable",
					"name": "",
					"type": "address"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "ethInUsd",
			"outputs": [
				{
					"internalType": "int256",
					"name": "",
					"type": "int256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "bet",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "seed",
					"type": "uint256"
				}
			],
			"name": "game",
			"outputs": [
				{
					"internalType": "bool",
					"name": "",
					"type": "bool"
				}
			],
			"stateMutability": "payable",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "gameId",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"name": "games",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "id",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "bet",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "seed",
					"type": "uint256"
				},
				{
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				},
				{
					"internalType": "address payable",
					"name": "player",
					"type": "address"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "lastGameId",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "randomResult",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "bytes32",
					"name": "requestId",
					"type": "bytes32"
				},
				{
					"internalType": "uint256",
					"name": "randomness",
					"type": "uint256"
				}
			],
			"name": "rawFulfillRandomness",
			"outputs": [],
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "random",
					"type": "uint256"
				}
			],
			"name": "verdict",
			"outputs": [],
			"stateMutability": "payable",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "weiInUsd",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "withdrawEther",
			"outputs": [],
			"stateMutability": "payable",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "withdrawLink",
			"outputs": [],
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"stateMutability": "payable",
			"type": "receive"
		}
	]
}

## contracts...artifacts...BettingGame_metadata.json
{
	"compiler": {
		"version": "0.6.6+commit.6c089d02"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"inputs": [],
				"stateMutability": "nonpayable",
				"type": "constructor"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": true,
						"internalType": "address",
						"name": "sender",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "Received",
				"type": "event"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "id",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "bet",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "randomSeed",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "address",
						"name": "player",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "winAmount",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "randomResult",
						"type": "uint256"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "time",
						"type": "uint256"
					}
				],
				"name": "Result",
				"type": "event"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": false,
						"internalType": "address",
						"name": "admin",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "Withdraw",
				"type": "event"
			},
			{
				"inputs": [],
				"name": "admin",
				"outputs": [
					{
						"internalType": "address payable",
						"name": "",
						"type": "address"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "ethInUsd",
				"outputs": [
					{
						"internalType": "int256",
						"name": "",
						"type": "int256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "bet",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "seed",
						"type": "uint256"
					}
				],
				"name": "game",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "payable",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "gameId",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"name": "games",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "id",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "bet",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "seed",
						"type": "uint256"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					},
					{
						"internalType": "address payable",
						"name": "player",
						"type": "address"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "lastGameId",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "randomResult",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "bytes32",
						"name": "requestId",
						"type": "bytes32"
					},
					{
						"internalType": "uint256",
						"name": "randomness",
						"type": "uint256"
					}
				],
				"name": "rawFulfillRandomness",
				"outputs": [],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "random",
						"type": "uint256"
					}
				],
				"name": "verdict",
				"outputs": [],
				"stateMutability": "payable",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "weiInUsd",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "withdrawEther",
				"outputs": [],
				"stateMutability": "payable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "withdrawLink",
				"outputs": [],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"stateMutability": "payable",
				"type": "receive"
			}
		],
		"devdoc": {
			"methods": {}
		},
		"userdoc": {
			"methods": {
				"constructor": "Constructor inherits VRFConsumerBase.",
				"ethInUsd()": {
					"notice": "!UPDATE \r Returns latest ETH/USD price from Chainlink oracles."
				},
				"game(uint256,uint256)": {
					"notice": "Taking bets function. By winning, user 2x his betAmount. Chances to win and lose are the same."
				},
				"verdict(uint256)": {
					"notice": "Send rewards to the winners."
				},
				"weiInUsd()": {
					"notice": "!UPDATE \r ethUsd - latest price from Chainlink oracles (ETH in USD * 10**8). weiUsd - USD in Wei, received by dividing:         ETH in Wei (converted to compatibility with etUsd (10**18 * 10**8)),         by ethUsd."
				},
				"withdrawEther(uint256)": {
					"notice": "Withdraw Ether from this contract (admin option)."
				},
				"withdrawLink(uint256)": {
					"notice": "Withdraw LINK from this contract (admin option)."
				}
			}
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/BettingGame.sol": "BettingGame"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"metadata": {
			"bytecodeHash": "ipfs"
		},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"contracts/BettingGame.sol": {
			"keccak256": "0xe675ed035144fbc09004dd46867b1274dc2a55412621e824e7a8af926fc5bf27",
			"urls": [
				"bzz-raw://9363a26cb1ea7bd7be6943ba1d960708bd8962510dd57abf772558bc62023eff",
				"dweb:/ipfs/Qmeh7e1NampUF6EdZ9XopqXcxATruxkrMFgqkwFbiKzbyM"
			]
		},
		"https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol": {
			"keccak256": "0x1862840d741dedb36e774534b877a13b5187555e3b78b8d2815f898b0dc02268",
			"urls": [
				"bzz-raw://64a15f4349aea6e60703f581a6280b71d6adb35ee74d2f3c4f130a2adc3efee3",
				"dweb:/ipfs/QmdVoSQvGfJNPnjQsAs7ZN3ueWghzTa72jSqzhGiQNDpkL"
			]
		},
		"https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/VRFConsumerBase.sol": {
			"keccak256": "0xbb84a6411e071d5b04b36d7dda59eaf1cb5a28b3b289757a5ac849ddf9befac3",
			"urls": [
				"bzz-raw://6bc702d1ec269920a3f0cf371155b6c4800d36233949873144e95ce3c4427eb3",
				"dweb:/ipfs/QmUrYPpfh7TAcUBx3B5ugW2jCAeWThMssY5oyRgQXQRkbE"
			]
		},
		"https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/VRFRequestIDBase.sol": {
			"keccak256": "0x0c3bd40c63dac8398a979b1228c8ecb1c269c157dd16f2dce2086d2270b65b22",
			"urls": [
				"bzz-raw://ed9db87be9dfb0f763a556d8d80356b08282b8ea48484838cdf470a5c3cd15d5",
				"dweb:/ipfs/QmPLhwDAS3TPDiEQmTyqXnWBqwEMBSbXtjEiQDSGejoiPt"
			]
		},
		"https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/interfaces/LinkTokenInterface.sol": {
			"keccak256": "0xe245a7be950c94d87bb775ae9ee9fbd693fbe2987778e6ce0b04605ea44b7b68",
			"urls": [
				"bzz-raw://bd2c3165d949fc66fe407b96eb3dc2092c7e800f4c073b411bf7b96de3e156c9",
				"dweb:/ipfs/QmcfJhR1Np4GsLWnww2Duqks2wEzYk8VDTvCAYy7MisG1r"
			]
		},
		"https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/vendor/SafeMathChainlink.sol": {
			"keccak256": "0x105f5e9491f3d0bbdd4f1c7627eb839d69b944bfd803028a01cc083597692c1f",
			"urls": [
				"bzz-raw://ec45a2748a024a947a921183d4102d5e206808588501d85ddc4f5668a009bc73",
				"dweb:/ipfs/QmRNAMpq7LdWFnJ7wWKGbUuAcURaGSS42PMxtQ4vjrHmp9"
			]
		}
	},
	"version": 1
}

## contracts...artifacts...Coin.json
{
	"deploy": {
		"VM:-": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"main:1": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"ropsten:3": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"rinkeby:4": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"kovan:42": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"görli:5": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"Custom": {
			"linkReferences": {},
			"autoDeployLib": true
		}
	},
	"data": {
		"bytecode": {
			"generatedSources": [],
			"linkReferences": {},
			"object": "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",
			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP CALLER PUSH1 0x0 DUP1 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x647 DUP1 PUSH2 0x60 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x4C JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x7546172 EQ PUSH2 0x51 JUMPI DUP1 PUSH4 0x27E235E3 EQ PUSH2 0x6F JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x9F JUMPI DUP1 PUSH4 0xD0679D34 EQ PUSH2 0xBB JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x59 PUSH2 0xD7 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x66 SWAP2 SWAP1 PUSH2 0x427 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x89 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x84 SWAP2 SWAP1 PUSH2 0x381 JUMP JUMPDEST PUSH2 0xFB JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x96 SWAP2 SWAP1 PUSH2 0x499 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xB9 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0xB4 SWAP2 SWAP1 PUSH2 0x3AA JUMP JUMPDEST PUSH2 0x113 JUMP JUMPDEST STOP JUMPDEST PUSH2 0xD5 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0xD0 SWAP2 SWAP1 PUSH2 0x3AA JUMP JUMPDEST PUSH2 0x1EA JUMP JUMPDEST STOP JUMPDEST PUSH1 0x0 DUP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE DUP1 PUSH1 0x0 MSTORE PUSH1 0x40 PUSH1 0x0 KECCAK256 PUSH1 0x0 SWAP2 POP SWAP1 POP SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x16B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH25 0x9F4F2726179A224501D762422C946590D91000000000000000 DUP2 LT PUSH2 0x190 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0x1DF SWAP2 SWAP1 PUSH2 0x4C5 JUMP JUMPDEST SWAP3 POP POP DUP2 SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x26C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x263 SWAP1 PUSH2 0x479 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0x2BB SWAP2 SWAP1 PUSH2 0x51B JUMP JUMPDEST SWAP3 POP POP DUP2 SWAP1 SSTORE POP DUP1 PUSH1 0x1 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0x311 SWAP2 SWAP1 PUSH2 0x4C5 JUMP JUMPDEST SWAP3 POP POP DUP2 SWAP1 SSTORE POP PUSH32 0x3990DB2D31862302A685E8086B5755072A6E2B5B780AF1EE81ECE35EE3CD3345 CALLER DUP4 DUP4 PUSH1 0x40 MLOAD PUSH2 0x34B SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x442 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0x366 DUP2 PUSH2 0x5E3 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0x37B DUP2 PUSH2 0x5FA JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x393 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x3A1 DUP5 DUP3 DUP6 ADD PUSH2 0x357 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x3BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x3CB DUP6 DUP3 DUP7 ADD PUSH2 0x357 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x3DC DUP6 DUP3 DUP7 ADD PUSH2 0x36C JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH2 0x3EF DUP2 PUSH2 0x54F JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x402 PUSH1 0x15 DUP4 PUSH2 0x4B4 JUMP JUMPDEST SWAP2 POP PUSH2 0x40D DUP3 PUSH2 0x5BA JUMP JUMPDEST PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x421 DUP2 PUSH2 0x581 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0x43C PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0x3E6 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 ADD SWAP1 POP PUSH2 0x457 PUSH1 0x0 DUP4 ADD DUP7 PUSH2 0x3E6 JUMP JUMPDEST PUSH2 0x464 PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x3E6 JUMP JUMPDEST PUSH2 0x471 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x418 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0x492 DUP2 PUSH2 0x3F5 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0x4AE PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0x418 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4D0 DUP3 PUSH2 0x581 JUMP JUMPDEST SWAP2 POP PUSH2 0x4DB DUP4 PUSH2 0x581 JUMP JUMPDEST SWAP3 POP DUP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SUB DUP3 GT ISZERO PUSH2 0x510 JUMPI PUSH2 0x50F PUSH2 0x58B JUMP JUMPDEST 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												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "4356:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "4381:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_address",
																	"nodeType": "YulIdentifier",
																	"src": "4363:17:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "4363:24:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "4353:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4353:35:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "4346:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "4346:43:1"
											},
											"nodeType": "YulIf",
											"src": "4343:2:1"
										}
									]
								},
								"name": "validator_revert_t_address",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "4326:5:1",
										"type": ""
									}
								],
								"src": "4290:122:1"
							},
							{
								"body": {
									"nodeType": "YulBlock",
									"src": "4461:79:1",
									"statements": [
										{
											"body": {
												"nodeType": "YulBlock",
												"src": "4518:16:1",
												"statements": [
													{
														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4527:1:1",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4530:1:1",
																	"type": "",
																	"value": "0"
																}
															],
															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "4520:6:1"
															},
															"nodeType": "YulFunctionCall",
															"src": "4520:12:1"
														},
														"nodeType": "YulExpressionStatement",
														"src": "4520:12:1"
													}
												]
											},
											"condition": {
												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "4484:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "4509:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_uint256",
																	"nodeType": "YulIdentifier",
																	"src": "4491:17:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "4491:24:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "4481:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4481:35:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "4474:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "4474:43:1"
											},
											"nodeType": "YulIf",
											"src": "4471:2:1"
										}
									]
								},
								"name": "validator_revert_t_uint256",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "4454:5:1",
										"type": ""
									}
								],
								"src": "4418:122:1"
							}
						]
					},
					"contents": "{\n\n    function abi_decode_t_address(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_address(value)\n    }\n\n    function abi_decode_t_uint256(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encode_t_address_to_t_address_fromStack(value, pos) {\n        mstore(pos, cleanup_t_address(value))\n    }\n\n    function abi_encode_t_stringliteral_7572e40391d07d4b91d51e72cb8caa5f33f56b2b616c219ac11e2b95b18edce9_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 21)\n        store_literal_in_memory_7572e40391d07d4b91d51e72cb8caa5f33f56b2b616c219ac11e2b95b18edce9(pos)\n        end := add(pos, 32)\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_tuple_t_address__to_t_address__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_address_t_address_t_uint256__to_t_address_t_address_t_uint256__fromStack_reversed(headStart , value2, value1, value0) -> tail {\n        tail := add(headStart, 96)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value2,  add(headStart, 64))\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_7572e40391d07d4b91d51e72cb8caa5f33f56b2b616c219ac11e2b95b18edce9__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_7572e40391d07d4b91d51e72cb8caa5f33f56b2b616c219ac11e2b95b18edce9_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function checked_add_t_uint256(x, y) -> sum {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        // overflow, if x > (maxValue - y)\n        if gt(x, sub(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, y)) { panic_error_0x11() }\n\n        sum := add(x, y)\n    }\n\n    function checked_sub_t_uint256(x, y) -> diff {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        if lt(x, y) { panic_error_0x11() }\n\n        diff := sub(x, y)\n    }\n\n    function cleanup_t_address(value) -> cleaned {\n        cleaned := cleanup_t_uint160(value)\n    }\n\n    function cleanup_t_uint160(value) -> cleaned {\n        cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function panic_error_0x11() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x11)\n        revert(0, 0x24)\n    }\n\n    function store_literal_in_memory_7572e40391d07d4b91d51e72cb8caa5f33f56b2b616c219ac11e2b95b18edce9(memPtr) {\n\n        mstore(add(memPtr, 0), \"Insufficient balance.\")\n\n    }\n\n    function validator_revert_t_address(value) {\n        if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n}\n",
					"id": 1,
					"language": "Yul",
					"name": "#utility.yul"
				}
			],
			"immutableReferences": {},
			"linkReferences": {},
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DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0x492 DUP2 PUSH2 0x3F5 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0x4AE PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0x418 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4D0 DUP3 PUSH2 0x581 JUMP JUMPDEST SWAP2 POP PUSH2 0x4DB DUP4 PUSH2 0x581 JUMP JUMPDEST SWAP3 POP DUP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SUB DUP3 GT ISZERO PUSH2 0x510 JUMPI PUSH2 0x50F PUSH2 0x58B JUMP JUMPDEST JUMPDEST DUP3 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x526 DUP3 PUSH2 0x581 JUMP JUMPDEST SWAP2 POP PUSH2 0x531 DUP4 PUSH2 0x581 JUMP JUMPDEST SWAP3 POP DUP3 DUP3 LT ISZERO PUSH2 0x544 JUMPI PUSH2 0x543 PUSH2 0x58B JUMP JUMPDEST JUMPDEST DUP3 DUP3 SUB SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x55A DUP3 PUSH2 0x561 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x496E73756666696369656E742062616C616E63652E0000000000000000000000 PUSH1 0x0 DUP3 ADD MSTORE POP JUMP JUMPDEST PUSH2 0x5EC DUP2 PUSH2 0x54F JUMP JUMPDEST DUP2 EQ PUSH2 0x5F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH2 0x603 DUP2 PUSH2 0x581 JUMP JUMPDEST DUP2 EQ PUSH2 0x60E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 INVALID 0x48 RETURN 0xBF CREATE DUP6 0x28 MOD 0xBC MULMOD PUSH13 0x481F918232FF0F0115FB6C2842 OR PUSH3 0xE3DC6E CREATE SWAP5 0x22 PUSH5 0x736F6C6343 STOP ADDMOD ADD STOP CALLER ",
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		},
		"gasEstimates": {
			"creation": {
				"codeDepositCost": "321400",
				"executionCost": "21228",
				"totalCost": "342628"
			},
			"external": {
				"balances(address)": "1514",
				"mint(address,uint256)": "infinite",
				"minter()": "1189",
				"send(address,uint256)": "infinite"
			}
		},
		"methodIdentifiers": {
			"balances(address)": "27e235e3",
			"mint(address,uint256)": "40c10f19",
			"minter()": "07546172",
			"send(address,uint256)": "d0679d34"
		}
	},
	"abi": [
		{
			"inputs": [],
			"stateMutability": "nonpayable",
			"type": "constructor"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": false,
					"internalType": "address",
					"name": "from",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "address",
					"name": "to",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "Sent",
			"type": "event"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "",
					"type": "address"
				}
			],
			"name": "balances",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "receiver",
					"type": "address"
				},
				{
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "mint",
			"outputs": [],
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "minter",
			"outputs": [
				{
					"internalType": "address",
					"name": "",
					"type": "address"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "receiver",
					"type": "address"
				},
				{
					"internalType": "uint256",
					"name": "amount",
					"type": "uint256"
				}
			],
			"name": "send",
			"outputs": [],
			"stateMutability": "nonpayable",
			"type": "function"
		}
	]
}

## contracts...artifacts...Coin_metadata.json
{
	"compiler": {
		"version": "0.8.1+commit.df193b15"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"inputs": [],
				"stateMutability": "nonpayable",
				"type": "constructor"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": false,
						"internalType": "address",
						"name": "from",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "address",
						"name": "to",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "Sent",
				"type": "event"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "",
						"type": "address"
					}
				],
				"name": "balances",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "receiver",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "mint",
				"outputs": [],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "minter",
				"outputs": [
					{
						"internalType": "address",
						"name": "",
						"type": "address"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "receiver",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "send",
				"outputs": [],
				"stateMutability": "nonpayable",
				"type": "function"
			}
		],
		"devdoc": {
			"kind": "dev",
			"methods": {},
			"version": 1
		},
		"userdoc": {
			"kind": "user",
			"methods": {},
			"version": 1
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/Coin.sol": "Coin"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"metadata": {
			"bytecodeHash": "ipfs"
		},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"contracts/Coin.sol": {
			"keccak256": "0xe4a32addb7a1babc11be12268641d2f2862cafadabd96e648ed8b20d29f2ae91",
			"license": "GPL-3.0",
			"urls": [
				"bzz-raw://3e2b292659024e9df60814cd2706121479f1aaaf6a17a59c209441ffa91bebea",
				"dweb:/ipfs/QmToN2Esr2rJ3fG8TKuD3AtCieVY1A8NPTXb3xgWQ5hTuj"
			]
		}
	},
	"version": 1
}

## contracts...artifacts...DappFactoryToken.json
// this line is added to create a gist. Empty file is not allowed.

## contracts...artifacts...DappFactoryToken_metadata.json
{
	"compiler": {
		"version": "0.8.0+commit.c7dfd78e"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "initialSupply",
						"type": "uint256"
					}
				],
				"stateMutability": "nonpayable",
				"type": "constructor"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": true,
						"internalType": "address",
						"name": "owner",
						"type": "address"
					},
					{
						"indexed": true,
						"internalType": "address",
						"name": "spender",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "value",
						"type": "uint256"
					}
				],
				"name": "Approval",
				"type": "event"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": true,
						"internalType": "address",
						"name": "from",
						"type": "address"
					},
					{
						"indexed": true,
						"internalType": "address",
						"name": "to",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "value",
						"type": "uint256"
					}
				],
				"name": "Transfer",
				"type": "event"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "owner",
						"type": "address"
					},
					{
						"internalType": "address",
						"name": "spender",
						"type": "address"
					}
				],
				"name": "allowance",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "spender",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "approve",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "account",
						"type": "address"
					}
				],
				"name": "balanceOf",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "decimals",
				"outputs": [
					{
						"internalType": "uint8",
						"name": "",
						"type": "uint8"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "spender",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "subtractedValue",
						"type": "uint256"
					}
				],
				"name": "decreaseAllowance",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "spender",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "addedValue",
						"type": "uint256"
					}
				],
				"name": "increaseAllowance",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "name",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "symbol",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "totalSupply",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "recipient",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "transfer",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "sender",
						"type": "address"
					},
					{
						"internalType": "address",
						"name": "recipient",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "amount",
						"type": "uint256"
					}
				],
				"name": "transferFrom",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			}
		],
		"devdoc": {
			"kind": "dev",
			"methods": {
				"allowance(address,address)": {
					"details": "See {IERC20-allowance}."
				},
				"approve(address,uint256)": {
					"details": "See {IERC20-approve}. Requirements: - `spender` cannot be the zero address."
				},
				"balanceOf(address)": {
					"details": "See {IERC20-balanceOf}."
				},
				"decimals()": {
					"details": "Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5,05` (`505 / 10 ** 2`). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the value {ERC20} uses, unless this function is overridden; NOTE: This information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}."
				},
				"decreaseAllowance(address,uint256)": {
					"details": "Atomically decreases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`."
				},
				"increaseAllowance(address,uint256)": {
					"details": "Atomically increases the allowance granted to `spender` by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - `spender` cannot be the zero address."
				},
				"name()": {
					"details": "Returns the name of the token."
				},
				"symbol()": {
					"details": "Returns the symbol of the token, usually a shorter version of the name."
				},
				"totalSupply()": {
					"details": "See {IERC20-totalSupply}."
				},
				"transfer(address,uint256)": {
					"details": "See {IERC20-transfer}. Requirements: - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`."
				},
				"transferFrom(address,address,uint256)": {
					"details": "See {IERC20-transferFrom}. Emits an {Approval} event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of {ERC20}. Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `amount`. - the caller must have allowance for ``sender``'s tokens of at least `amount`."
				}
			},
			"version": 1
		},
		"userdoc": {
			"kind": "user",
			"methods": {},
			"version": 1
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/DappFactoryCoin.sol": "DappFactoryToken"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"metadata": {
			"bytecodeHash": "ipfs"
		},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"@openzeppelin/contracts/token/ERC20/ERC20.sol": {
			"keccak256": "0xfeccdcbf67b2006a715e5af1a4c7556004d95b2806552b5cc54e46e8eb7e887b",
			"license": "MIT",
			"urls": [
				"bzz-raw://45b1f9043c0fb450272f20ed19ef633fcba1b129d602651a856dfae1a2243a2c",
				"dweb:/ipfs/QmUTSQiDikkcNtTtyDpkEwCM5ztVUUh9c1inBukn6HC5Vr"
			]
		},
		"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
			"keccak256": "0xf8e8d118a7a8b2e134181f7da655f6266aa3a0f9134b2605747139fcb0c5d835",
			"license": "MIT",
			"urls": [
				"bzz-raw://9ec48567e7ad06acb670980d5cdf3fd7f3949bf12894f02d68c3bb43e75aa84f",
				"dweb:/ipfs/QmaG3R2J9cz92YT77vFjYrjMNU2wHp4ypwYD62HqDUqS5U"
			]
		},
		"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
			"keccak256": "0x83fe24f5c04a56091e50f4a345ff504c8bff658a76d4c43b16878c8f940c53b2",
			"license": "MIT",
			"urls": [
				"bzz-raw://d4c3df1a7ca104b633a7d81c6c6f5192367d150cd5a32cba81f7f27012729013",
				"dweb:/ipfs/QmSim72e3ZVsfgZt8UceCvbiSuMRHR6WDsiamqNzZahGSY"
			]
		},
		"@openzeppelin/contracts/utils/Context.sol": {
			"keccak256": "0xf930d2df426bfcfc1f7415be724f04081c96f4fb9ec8d0e3a521c07692dface0",
			"license": "MIT",
			"urls": [
				"bzz-raw://fc2bfdea0d2562c76fb3c4cf70a86c6ba25c5a30e8f8515c95aafdf8383f8395",
				"dweb:/ipfs/QmTbFya18786ckJfLYUoWau9jBTKfmWnWm5XSViWvB7PXN"
			]
		},
		"contracts/DappFactoryCoin.sol": {
			"keccak256": "0x2b7a07deb6fc6d38b1ad8c481dfcac8a3e697ec0a0fc25bb9f7a9b7cc53a43b6",
			"urls": [
				"bzz-raw://0414c5d55b4eb02988ccec0d1e7fceaa25564e6ef0e9ab3c28852d49d4599303",
				"dweb:/ipfs/QmRGtjX4eDZDfZ3a41MMa3uxyaBURoo8SxCPzzdo18wJgN"
			]
		}
	},
	"version": 1
}

## contracts...artifacts...ERC20Basic.json
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														"arguments": [
															{
																"name": "newFreePtr",
																"nodeType": "YulIdentifier",
																"src": "3445:10:1"
															},
															{
																"kind": "number",
																"nodeType": "YulLiteral",
																"src": "3457:18:1",
																"type": "",
																"value": "0xffffffffffffffff"
															}
														],
														"functionName": {
															"name": "gt",
															"nodeType": "YulIdentifier",
															"src": "3442:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "3442:34:1"
													},
													{
														"arguments": [
															{
																"name": "newFreePtr",
																"nodeType": "YulIdentifier",
																"src": "3481:10:1"
															},
															{
																"name": "memPtr",
																"nodeType": "YulIdentifier",
																"src": "3493:6:1"
															}
														],
														"functionName": {
															"name": "lt",
															"nodeType": "YulIdentifier",
															"src": "3478:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "3478:22:1"
													}
												],
												"functionName": {
													"name": "or",
													"nodeType": "YulIdentifier",
													"src": "3439:2:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "3439:62:1"
											},
											"nodeType": "YulIf",
											"src": "3436:2:1"
										},
										{
											"expression": {
												"arguments": [
													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3540:2:1",
														"type": "",
														"value": "64"
													},
													{
														"name": "newFreePtr",
														"nodeType": "YulIdentifier",
														"src": "3544:10:1"
													}
												],
												"functionName": {
													"name": "mstore",
													"nodeType": "YulIdentifier",
													"src": "3533:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "3533:22:1"
											},
											"nodeType": "YulExpressionStatement",
											"src": "3533:22:1"
										}
									]
								},
								"name": "finalize_allocation",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "memPtr",
										"nodeType": "YulTypedName",
										"src": "3309:6:1",
										"type": ""
									},
									{
										"name": "size",
										"nodeType": "YulTypedName",
										"src": "3317:4:1",
										"type": ""
									}
								],
								"src": "3280:281:1"
							},
							{
								"body": {
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									"statements": [
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											"expression": {
												"arguments": [
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														"value": "0"
													},
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													}
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														"nodeType": "YulLiteral",
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														"value": "4"
													},
													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3712:4:1",
														"type": "",
														"value": "0x22"
													}
												],
												"functionName": {
													"name": "mstore",
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													"src": "3702:6:1"
												},
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												"src": "3702:15:1"
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											"expression": {
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														"nodeType": "YulLiteral",
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														"value": "0"
													},
													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3736:4:1",
														"type": "",
														"value": "0x24"
													}
												],
												"functionName": {
													"name": "revert",
													"nodeType": "YulIdentifier",
													"src": "3726:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "3726:15:1"
											},
											"nodeType": "YulExpressionStatement",
											"src": "3726:15:1"
										}
									]
								},
								"name": "panic_error_0x22",
								"nodeType": "YulFunctionDefinition",
								"src": "3567:180:1"
							},
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								"body": {
									"nodeType": "YulBlock",
									"src": "3781:152:1",
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													}
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														"type": "",
														"value": "4"
													},
													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3898:4:1",
														"type": "",
														"value": "0x41"
													}
												],
												"functionName": {
													"name": "mstore",
													"nodeType": "YulIdentifier",
													"src": "3888:6:1"
												},
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											},
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										},
										{
											"expression": {
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													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3919:1:1",
														"type": "",
														"value": "0"
													},
													{
														"kind": "number",
														"nodeType": "YulLiteral",
														"src": "3922:4:1",
														"type": "",
														"value": "0x24"
													}
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													"name": "revert",
													"nodeType": "YulIdentifier",
													"src": "3912:6:1"
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												"src": "3912:15:1"
											},
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											"src": "3912:15:1"
										}
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								},
								"name": "panic_error_0x41",
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							},
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											"src": "3997:38:1",
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														"arguments": [
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																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "4015:5:1"
															},
															{
																"kind": "number",
																"nodeType": "YulLiteral",
																"src": "4022:2:1",
																"type": "",
																"value": "31"
															}
														],
														"functionName": {
															"name": "add",
															"nodeType": "YulIdentifier",
															"src": "4011:3:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4011:14:1"
													},
													{
														"arguments": [
															{
																"kind": "number",
																"nodeType": "YulLiteral",
																"src": "4031:2:1",
																"type": "",
																"value": "31"
															}
														],
														"functionName": {
															"name": "not",
															"nodeType": "YulIdentifier",
															"src": "4027:3:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4027:7:1"
													}
												],
												"functionName": {
													"name": "and",
													"nodeType": "YulIdentifier",
													"src": "4007:3:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "4007:28:1"
											},
											"variableNames": [
												{
													"name": "result",
													"nodeType": "YulIdentifier",
													"src": "3997:6:1"
												}
											]
										}
									]
								},
								"name": "round_up_to_mul_of_32",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "3970:5:1",
										"type": ""
									}
								],
								"returnVariables": [
									{
										"name": "result",
										"nodeType": "YulTypedName",
										"src": "3980:6:1",
										"type": ""
									}
								],
								"src": "3939:102:1"
							},
							{
								"body": {
									"nodeType": "YulBlock",
									"src": "4090:79:1",
									"statements": [
										{
											"body": {
												"nodeType": "YulBlock",
												"src": "4147:16:1",
												"statements": [
													{
														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4156:1:1",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4159:1:1",
																	"type": "",
																	"value": "0"
																}
															],
															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "4149:6:1"
															},
															"nodeType": "YulFunctionCall",
															"src": "4149:12:1"
														},
														"nodeType": "YulExpressionStatement",
														"src": "4149:12:1"
													}
												]
											},
											"condition": {
												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "4113:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "4138:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_uint256",
																	"nodeType": "YulIdentifier",
																	"src": "4120:17:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "4120:24:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "4110:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4110:35:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "4103:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "4103:43:1"
											},
											"nodeType": "YulIf",
											"src": "4100:2:1"
										}
									]
								},
								"name": "validator_revert_t_uint256",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "4083:5:1",
										"type": ""
									}
								],
								"src": "4047:122:1"
							},
							{
								"body": {
									"nodeType": "YulBlock",
									"src": "4216:77:1",
									"statements": [
										{
											"body": {
												"nodeType": "YulBlock",
												"src": "4271:16:1",
												"statements": [
													{
														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4280:1:1",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "4283:1:1",
																	"type": "",
																	"value": "0"
																}
															],
															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "4273:6:1"
															},
															"nodeType": "YulFunctionCall",
															"src": "4273:12:1"
														},
														"nodeType": "YulExpressionStatement",
														"src": "4273:12:1"
													}
												]
											},
											"condition": {
												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "4239:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "4262:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_uint8",
																	"nodeType": "YulIdentifier",
																	"src": "4246:15:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "4246:22:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "4236:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "4236:33:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "4229:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "4229:41:1"
											},
											"nodeType": "YulIf",
											"src": "4226:2:1"
										}
									]
								},
								"name": "validator_revert_t_uint8",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "4209:5:1",
										"type": ""
									}
								],
								"src": "4175:118:1"
							}
						]
					},
					"contents": "{\n\n    function abi_decode_available_length_t_string_memory_ptr_fromMemory(src, length, end) -> array {\n        array := allocate_memory(array_allocation_size_t_string_memory_ptr(length))\n        mstore(array, length)\n        let dst := add(array, 0x20)\n        if gt(add(src, length), end) { revert(0, 0) }\n        copy_memory_to_memory(src, dst, length)\n    }\n\n    // string\n    function abi_decode_t_string_memory_ptr_fromMemory(offset, end) -> array {\n        if iszero(slt(add(offset, 0x1f), end)) { revert(0, 0) }\n        let length := mload(offset)\n        array := abi_decode_available_length_t_string_memory_ptr_fromMemory(add(offset, 0x20), length, end)\n    }\n\n    function abi_decode_t_uint256_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_t_uint8_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_uint8(value)\n    }\n\n    function abi_decode_tuple_t_uint256t_string_memory_ptrt_string_memory_ptrt_uint8_fromMemory(headStart, dataEnd) -> value0, value1, value2, value3 {\n        if slt(sub(dataEnd, headStart), 128) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := mload(add(headStart, 32))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value1 := abi_decode_t_string_memory_ptr_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := mload(add(headStart, 64))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value2 := abi_decode_t_string_memory_ptr_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 96\n\n            value3 := abi_decode_t_uint8_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function allocate_memory(size) -> memPtr {\n        memPtr := allocate_unbounded()\n        finalize_allocation(memPtr, size)\n    }\n\n    function allocate_unbounded() -> memPtr {\n        memPtr := mload(64)\n    }\n\n    function array_allocation_size_t_string_memory_ptr(length) -> size {\n        // Make sure we can allocate memory without overflow\n        if gt(length, 0xffffffffffffffff) { panic_error_0x41() }\n\n        size := round_up_to_mul_of_32(length)\n\n        // add length slot\n        size := add(size, 0x20)\n\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function cleanup_t_uint8(value) -> cleaned {\n        cleaned := and(value, 0xff)\n    }\n\n    function copy_memory_to_memory(src, dst, length) {\n        let i := 0\n        for { } lt(i, length) { i := add(i, 32) }\n        {\n            mstore(add(dst, i), mload(add(src, i)))\n        }\n        if gt(i, length)\n        {\n            // clear end\n            mstore(add(dst, length), 0)\n        }\n    }\n\n    function extract_byte_array_length(data) -> length {\n        length := div(data, 2)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) {\n            length := and(length, 0x7f)\n        }\n\n        if eq(outOfPlaceEncoding, lt(length, 32)) {\n            panic_error_0x22()\n        }\n    }\n\n    function finalize_allocation(memPtr, size) {\n        let newFreePtr := add(memPtr, round_up_to_mul_of_32(size))\n        // protect against overflow\n        if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }\n        mstore(64, newFreePtr)\n    }\n\n    function panic_error_0x22() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x22)\n        revert(0, 0x24)\n    }\n\n    function panic_error_0x41() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x41)\n        revert(0, 0x24)\n    }\n\n    function round_up_to_mul_of_32(value) -> result {\n        result := and(add(value, 31), not(31))\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_uint8(value) {\n        if iszero(eq(value, cleanup_t_uint8(value))) { revert(0, 0) }\n    }\n\n}\n",
					"id": 1,
					"language": "Yul",
					"name": "#utility.yul"
				}
			],
			"linkReferences": {},
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			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x13BB CODESIZE SUB DUP1 PUSH3 0x13BB DUP4 CODECOPY DUP2 DUP2 ADD PUSH1 0x40 MSTORE DUP2 ADD SWAP1 PUSH3 0x37 SWAP2 SWAP1 PUSH3 0x22B JUMP JUMPDEST DUP4 PUSH1 0x3 DUP2 SWAP1 SSTORE POP DUP3 PUSH1 0x0 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH3 0x56 SWAP3 SWAP2 SWAP1 PUSH3 0xDB JUMP JUMPDEST POP DUP2 PUSH1 0x1 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH3 0x6F SWAP3 SWAP2 SWAP1 PUSH3 0xDB JUMP JUMPDEST POP DUP1 PUSH1 0x2 PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH1 0xFF MUL NOT AND SWAP1 DUP4 PUSH1 0xFF AND MUL OR SWAP1 SSTORE POP PUSH1 0x3 SLOAD PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP POP POP POP POP PUSH3 0x484 JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH3 0xE9 SWAP1 PUSH3 0x375 JUMP JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH3 0x10D JUMPI PUSH1 0x0 DUP6 SSTORE PUSH3 0x159 JUMP JUMPDEST DUP3 PUSH1 0x1F LT PUSH3 0x128 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x159 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x159 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x158 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x13B JUMP JUMPDEST JUMPDEST POP SWAP1 POP PUSH3 0x168 SWAP2 SWAP1 PUSH3 0x16C JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x187 JUMPI PUSH1 0x0 DUP2 PUSH1 0x0 SWAP1 SSTORE POP PUSH1 0x1 ADD PUSH3 0x16D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x1A2 PUSH3 0x19C DUP5 PUSH3 0x2F2 JUMP JUMPDEST PUSH3 0x2C9 JUMP JUMPDEST SWAP1 POP DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 ADD DUP5 DUP5 DUP5 ADD GT ISZERO PUSH3 0x1BB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x1C8 DUP5 DUP3 DUP6 PUSH3 0x33F JUMP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH3 0x1E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x1F4 DUP5 DUP3 PUSH1 0x20 DUP7 ADD PUSH3 0x18B JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD SWAP1 POP PUSH3 0x20E DUP2 PUSH3 0x450 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD SWAP1 POP PUSH3 0x225 DUP2 PUSH3 0x46A JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH3 0x242 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x252 DUP8 DUP3 DUP9 ADD PUSH3 0x1FD JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH3 0x270 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x27E DUP8 DUP3 DUP9 ADD PUSH3 0x1D0 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH3 0x29C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x2AA DUP8 DUP3 DUP9 ADD PUSH3 0x1D0 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 PUSH3 0x2BD DUP8 DUP3 DUP9 ADD PUSH3 0x214 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 PUSH3 0x2D5 PUSH3 0x2E8 JUMP JUMPDEST SWAP1 POP PUSH3 0x2E3 DUP3 DUP3 PUSH3 0x3AB JUMP JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH3 0x310 JUMPI PUSH3 0x30F PUSH3 0x410 JUMP JUMPDEST JUMPDEST PUSH3 0x31B DUP3 PUSH3 0x43F JUMP JUMPDEST SWAP1 POP PUSH1 0x20 DUP2 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0xFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x35F JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH3 0x342 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x36F JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 DUP3 DIV SWAP1 POP PUSH1 0x1 DUP3 AND DUP1 PUSH3 0x38E JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 EQ ISZERO PUSH3 0x3A5 JUMPI PUSH3 0x3A4 PUSH3 0x3E1 JUMP JUMPDEST JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH3 0x3B6 DUP3 PUSH3 0x43F JUMP JUMPDEST DUP2 ADD DUP2 DUP2 LT PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT OR ISZERO PUSH3 0x3D8 JUMPI PUSH3 0x3D7 PUSH3 0x410 JUMP JUMPDEST JUMPDEST DUP1 PUSH1 0x40 MSTORE POP POP POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x41 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH3 0x45B DUP2 PUSH3 0x328 JUMP JUMPDEST DUP2 EQ PUSH3 0x467 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH3 0x475 DUP2 PUSH3 0x332 JUMP JUMPDEST DUP2 EQ PUSH3 0x481 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH2 0xF27 DUP1 PUSH3 0x494 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x93 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x313CE567 GT PUSH2 0x66 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x152 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x182 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x1D0 JUMPI PUSH2 0x93 JUMP JUMPDEST DUP1 PUSH4 0x6FDDE03 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xB6 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0xE6 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x104 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xA0 PUSH2 0x200 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xAD SWAP2 SWAP1 PUSH2 0xC9C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xD0 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0xCB SWAP2 SWAP1 PUSH2 0xBDF JUMP JUMPDEST PUSH2 0x28E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xDD SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xEE PUSH2 0x380 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xFB SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x11E PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x119 SWAP2 SWAP1 PUSH2 0xB90 JUMP JUMPDEST PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x12B SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x13C PUSH2 0x70A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x149 SWAP2 SWAP1 PUSH2 0xCD9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x16C PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x167 SWAP2 SWAP1 PUSH2 0xB2B JUMP JUMPDEST PUSH2 0x71D JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x179 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x18A PUSH2 0x766 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x197 SWAP2 SWAP1 PUSH2 0xC9C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1BA PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1B5 SWAP2 SWAP1 PUSH2 0xBDF JUMP JUMPDEST PUSH2 0x7F4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1C7 SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1EA PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1E5 SWAP2 SWAP1 PUSH2 0xB54 JUMP JUMPDEST PUSH2 0x9DB JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1F7 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH2 0x20D SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x239 SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x286 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x25B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x286 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x269 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x5 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 DUP5 PUSH1 0x40 MLOAD PUSH2 0x36E SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x3 SLOAD SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x3D8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x461 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B3 DUP3 PUSH1 0x4 PUSH1 0x0 DUP8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x585 DUP3 PUSH1 0x5 PUSH1 0x0 DUP8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x5 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x657 DUP3 PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xAAF SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD PUSH2 0x6F7 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH2 0x773 SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x79F SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x7EC JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x7C1 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x7EC JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x7CF JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x894 DUP3 PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x929 DUP3 PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xAAF SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD PUSH2 0x9C9 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x5 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xA9B JUMPI PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x1 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST DUP2 DUP4 PUSH2 0xAA7 SWAP2 SWAP1 PUSH2 0xD66 JUMP JUMPDEST SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 PUSH2 0xABE SWAP2 SWAP1 PUSH2 0xD10 JUMP JUMPDEST SWAP1 POP DUP4 DUP2 LT ISZERO PUSH2 0xAF7 JUMPI PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x1 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST DUP1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xB10 DUP2 PUSH2 0xEC3 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xB25 DUP2 PUSH2 0xEDA JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xB3D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xB4B DUP5 DUP3 DUP6 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xB67 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xB75 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xB86 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xBA5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xBB3 DUP7 DUP3 DUP8 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0xBC4 DUP7 DUP3 DUP8 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 PUSH2 0xBD5 DUP7 DUP3 DUP8 ADD PUSH2 0xB16 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xBF2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xC00 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xC11 DUP6 DUP3 DUP7 ADD PUSH2 0xB16 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH2 0xC24 DUP2 PUSH2 0xDAC JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC35 DUP3 PUSH2 0xCF4 JUMP JUMPDEST PUSH2 0xC3F DUP2 DUP6 PUSH2 0xCFF JUMP JUMPDEST SWAP4 POP PUSH2 0xC4F DUP2 DUP6 PUSH1 0x20 DUP7 ADD PUSH2 0xDEF JUMP JUMPDEST PUSH2 0xC58 DUP2 PUSH2 0xEB2 JUMP JUMPDEST DUP5 ADD SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0xC6C DUP2 PUSH2 0xDD8 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH2 0xC7B DUP2 PUSH2 0xDE2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xC96 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC1B JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xCB6 DUP2 DUP5 PUSH2 0xC2A JUMP JUMPDEST SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xCD3 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC63 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xCEE PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC72 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD1B DUP3 PUSH2 0xDD8 JUMP JUMPDEST SWAP2 POP PUSH2 0xD26 DUP4 PUSH2 0xDD8 JUMP JUMPDEST SWAP3 POP DUP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SUB DUP3 GT ISZERO PUSH2 0xD5B JUMPI PUSH2 0xD5A PUSH2 0xE54 JUMP JUMPDEST JUMPDEST DUP3 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD71 DUP3 PUSH2 0xDD8 JUMP JUMPDEST SWAP2 POP PUSH2 0xD7C DUP4 PUSH2 0xDD8 JUMP JUMPDEST SWAP3 POP DUP3 DUP3 LT ISZERO PUSH2 0xD8F JUMPI PUSH2 0xD8E PUSH2 0xE54 JUMP JUMPDEST JUMPDEST DUP3 DUP3 SUB SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xDA5 DUP3 PUSH2 0xDB8 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 ISZERO ISZERO SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0xFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xE0D JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0xDF2 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0xE1C JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 DUP3 DIV SWAP1 POP PUSH1 0x1 DUP3 AND DUP1 PUSH2 0xE3A JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 EQ ISZERO PUSH2 0xE4E JUMPI PUSH2 0xE4D PUSH2 0xE83 JUMP JUMPDEST JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0xECC DUP2 PUSH2 0xD9A JUMP JUMPDEST DUP2 EQ PUSH2 0xED7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH2 0xEE3 DUP2 PUSH2 0xDD8 JUMP JUMPDEST DUP2 EQ PUSH2 0xEEE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 PUSH7 0xD9BC656F8EA093 0xCE 0xCD SWAP4 CALLVALUE OR DUP7 0xB5 DUP7 0x2A 0xAC 0xE8 0xE2 TIMESTAMP EQ 0xA5 0x2F 0xAD DUP14 SELFDESTRUCT KECCAK256 0xD8 0x4C LOG3 SLOAD PUSH5 0x736F6C6343 STOP ADDMOD DIV STOP CALLER ",
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														"nodeType": "YulFunctionCall",
														"src": "6051:7:1"
													}
												],
												"functionName": {
													"name": "and",
													"nodeType": "YulIdentifier",
													"src": "6031:3:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "6031:28:1"
											},
											"variableNames": [
												{
													"name": "result",
													"nodeType": "YulIdentifier",
													"src": "6021:6:1"
												}
											]
										}
									]
								},
								"name": "round_up_to_mul_of_32",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "5994:5:1",
										"type": ""
									}
								],
								"returnVariables": [
									{
										"name": "result",
										"nodeType": "YulTypedName",
										"src": "6004:6:1",
										"type": ""
									}
								],
								"src": "5963:102:1"
							},
							{
								"body": {
									"nodeType": "YulBlock",
									"src": "6114:79:1",
									"statements": [
										{
											"body": {
												"nodeType": "YulBlock",
												"src": "6171:16:1",
												"statements": [
													{
														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "6180:1:1",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "6183:1:1",
																	"type": "",
																	"value": "0"
																}
															],
															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "6173:6:1"
															},
															"nodeType": "YulFunctionCall",
															"src": "6173:12:1"
														},
														"nodeType": "YulExpressionStatement",
														"src": "6173:12:1"
													}
												]
											},
											"condition": {
												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "6137:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "6162:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_address",
																	"nodeType": "YulIdentifier",
																	"src": "6144:17:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "6144:24:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "6134:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "6134:35:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "6127:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "6127:43:1"
											},
											"nodeType": "YulIf",
											"src": "6124:2:1"
										}
									]
								},
								"name": "validator_revert_t_address",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "6107:5:1",
										"type": ""
									}
								],
								"src": "6071:122:1"
							},
							{
								"body": {
									"nodeType": "YulBlock",
									"src": "6242:79:1",
									"statements": [
										{
											"body": {
												"nodeType": "YulBlock",
												"src": "6299:16:1",
												"statements": [
													{
														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "6308:1:1",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "6311:1:1",
																	"type": "",
																	"value": "0"
																}
															],
															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "6301:6:1"
															},
															"nodeType": "YulFunctionCall",
															"src": "6301:12:1"
														},
														"nodeType": "YulExpressionStatement",
														"src": "6301:12:1"
													}
												]
											},
											"condition": {
												"arguments": [
													{
														"arguments": [
															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "6265:5:1"
															},
															{
																"arguments": [
																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
																		"src": "6290:5:1"
																	}
																],
																"functionName": {
																	"name": "cleanup_t_uint256",
																	"nodeType": "YulIdentifier",
																	"src": "6272:17:1"
																},
																"nodeType": "YulFunctionCall",
																"src": "6272:24:1"
															}
														],
														"functionName": {
															"name": "eq",
															"nodeType": "YulIdentifier",
															"src": "6262:2:1"
														},
														"nodeType": "YulFunctionCall",
														"src": "6262:35:1"
													}
												],
												"functionName": {
													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "6255:6:1"
												},
												"nodeType": "YulFunctionCall",
												"src": "6255:43:1"
											},
											"nodeType": "YulIf",
											"src": "6252:2:1"
										}
									]
								},
								"name": "validator_revert_t_uint256",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "6235:5:1",
										"type": ""
									}
								],
								"src": "6199:122:1"
							}
						]
					},
					"contents": "{\n\n    function abi_decode_t_address(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_address(value)\n    }\n\n    function abi_decode_t_uint256(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_address(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_addresst_uint256(headStart, dataEnd) -> value0, value1, value2 {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {\n        mstore(pos, cleanup_t_bool(value))\n    }\n\n    function abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value, pos) -> end {\n        let length := array_length_t_string_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length)\n        copy_memory_to_memory(add(value, 0x20), pos, length)\n        end := add(pos, round_up_to_mul_of_32(length))\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_t_uint8_to_t_uint8_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint8(value))\n    }\n\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_bool_to_t_bool_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_string_memory_ptr__to_t_string_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value0,  tail)\n\n    }\n\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_uint8__to_t_uint8__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint8_to_t_uint8_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function array_length_t_string_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function checked_add_t_uint256(x, y) -> sum {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        // overflow, if x > (maxValue - y)\n        if gt(x, sub(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, y)) { panic_error_0x11() }\n\n        sum := add(x, y)\n    }\n\n    function checked_sub_t_uint256(x, y) -> diff {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        if lt(x, y) { panic_error_0x11() }\n\n        diff := sub(x, y)\n    }\n\n    function cleanup_t_address(value) -> cleaned {\n        cleaned := cleanup_t_uint160(value)\n    }\n\n    function cleanup_t_bool(value) -> cleaned {\n        cleaned := iszero(iszero(value))\n    }\n\n    function cleanup_t_uint160(value) -> cleaned {\n        cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function cleanup_t_uint8(value) -> cleaned {\n        cleaned := and(value, 0xff)\n    }\n\n    function copy_memory_to_memory(src, dst, length) {\n        let i := 0\n        for { } lt(i, length) { i := add(i, 32) }\n        {\n            mstore(add(dst, i), mload(add(src, i)))\n        }\n        if gt(i, length)\n        {\n            // clear end\n            mstore(add(dst, length), 0)\n        }\n    }\n\n    function extract_byte_array_length(data) -> length {\n        length := div(data, 2)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) {\n            length := and(length, 0x7f)\n        }\n\n        if eq(outOfPlaceEncoding, lt(length, 32)) {\n            panic_error_0x22()\n        }\n    }\n\n    function panic_error_0x11() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x11)\n        revert(0, 0x24)\n    }\n\n    function panic_error_0x22() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x22)\n        revert(0, 0x24)\n    }\n\n    function round_up_to_mul_of_32(value) -> result {\n        result := and(add(value, 31), not(31))\n    }\n\n    function validator_revert_t_address(value) {\n        if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n}\n",
					"id": 1,
					"language": "Yul",
					"name": "#utility.yul"
				}
			],
			"immutableReferences": {},
			"linkReferences": {},
			"object": 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			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x93 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x313CE567 GT PUSH2 0x66 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x152 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x182 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x1D0 JUMPI PUSH2 0x93 JUMP JUMPDEST DUP1 PUSH4 0x6FDDE03 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xB6 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0xE6 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x104 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xA0 PUSH2 0x200 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xAD SWAP2 SWAP1 PUSH2 0xC9C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xD0 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0xCB SWAP2 SWAP1 PUSH2 0xBDF JUMP JUMPDEST PUSH2 0x28E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xDD SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xEE PUSH2 0x380 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xFB SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x11E PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x119 SWAP2 SWAP1 PUSH2 0xB90 JUMP JUMPDEST PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x12B SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x13C PUSH2 0x70A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x149 SWAP2 SWAP1 PUSH2 0xCD9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x16C PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x167 SWAP2 SWAP1 PUSH2 0xB2B JUMP JUMPDEST PUSH2 0x71D JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x179 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x18A PUSH2 0x766 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x197 SWAP2 SWAP1 PUSH2 0xC9C JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1BA PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1B5 SWAP2 SWAP1 PUSH2 0xBDF JUMP JUMPDEST PUSH2 0x7F4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1C7 SWAP2 SWAP1 PUSH2 0xC81 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1EA PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1E5 SWAP2 SWAP1 PUSH2 0xB54 JUMP JUMPDEST PUSH2 0x9DB JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1F7 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH2 0x20D SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x239 SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x286 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x25B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x286 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x269 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x5 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 DUP5 PUSH1 0x40 MLOAD PUSH2 0x36E SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x3 SLOAD SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x3D8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x461 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B3 DUP3 PUSH1 0x4 PUSH1 0x0 DUP8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x585 DUP3 PUSH1 0x5 PUSH1 0x0 DUP8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x5 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x657 DUP3 PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xAAF SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD PUSH2 0x6F7 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH2 0x773 SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x79F SWAP1 PUSH2 0xE22 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x7EC JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x7C1 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x7EC JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x7CF JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x894 DUP3 PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xA62 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP PUSH2 0x929 DUP3 PUSH1 0x4 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0xAAF SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH1 0x4 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD PUSH2 0x9C9 SWAP2 SWAP1 PUSH2 0xCBE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x5 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xA9B JUMPI PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x1 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST DUP2 DUP4 PUSH2 0xAA7 SWAP2 SWAP1 PUSH2 0xD66 JUMP JUMPDEST SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 PUSH2 0xABE SWAP2 SWAP1 PUSH2 0xD10 JUMP JUMPDEST SWAP1 POP DUP4 DUP2 LT ISZERO PUSH2 0xAF7 JUMPI PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x1 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST DUP1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xB10 DUP2 PUSH2 0xEC3 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xB25 DUP2 PUSH2 0xEDA JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xB3D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xB4B DUP5 DUP3 DUP6 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xB67 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xB75 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xB86 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xBA5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xBB3 DUP7 DUP3 DUP8 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0xBC4 DUP7 DUP3 DUP8 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 PUSH2 0xBD5 DUP7 DUP3 DUP8 ADD PUSH2 0xB16 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xBF2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xC00 DUP6 DUP3 DUP7 ADD PUSH2 0xB01 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xC11 DUP6 DUP3 DUP7 ADD PUSH2 0xB16 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH2 0xC24 DUP2 PUSH2 0xDAC JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC35 DUP3 PUSH2 0xCF4 JUMP JUMPDEST PUSH2 0xC3F DUP2 DUP6 PUSH2 0xCFF JUMP JUMPDEST SWAP4 POP PUSH2 0xC4F DUP2 DUP6 PUSH1 0x20 DUP7 ADD PUSH2 0xDEF JUMP JUMPDEST PUSH2 0xC58 DUP2 PUSH2 0xEB2 JUMP JUMPDEST DUP5 ADD SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0xC6C DUP2 PUSH2 0xDD8 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH2 0xC7B DUP2 PUSH2 0xDE2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xC96 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC1B JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xCB6 DUP2 DUP5 PUSH2 0xC2A JUMP JUMPDEST SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xCD3 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC63 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xCEE PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xC72 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD1B DUP3 PUSH2 0xDD8 JUMP JUMPDEST SWAP2 POP PUSH2 0xD26 DUP4 PUSH2 0xDD8 JUMP JUMPDEST SWAP3 POP DUP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SUB DUP3 GT ISZERO PUSH2 0xD5B JUMPI PUSH2 0xD5A PUSH2 0xE54 JUMP JUMPDEST JUMPDEST DUP3 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD71 DUP3 PUSH2 0xDD8 JUMP JUMPDEST SWAP2 POP PUSH2 0xD7C DUP4 PUSH2 0xDD8 JUMP JUMPDEST SWAP3 POP DUP3 DUP3 LT ISZERO PUSH2 0xD8F JUMPI PUSH2 0xD8E PUSH2 0xE54 JUMP JUMPDEST JUMPDEST DUP3 DUP3 SUB SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xDA5 DUP3 PUSH2 0xDB8 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 ISZERO ISZERO SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0xFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xE0D JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0xDF2 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0xE1C JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 DUP3 DIV SWAP1 POP PUSH1 0x1 DUP3 AND DUP1 PUSH2 0xE3A JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 EQ ISZERO PUSH2 0xE4E JUMPI PUSH2 0xE4D PUSH2 0xE83 JUMP JUMPDEST JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0xECC DUP2 PUSH2 0xD9A JUMP JUMPDEST DUP2 EQ PUSH2 0xED7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP JUMPDEST PUSH2 0xEE3 DUP2 PUSH2 0xDD8 JUMP JUMPDEST DUP2 EQ PUSH2 0xEEE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 PUSH7 0xD9BC656F8EA093 0xCE 0xCD SWAP4 CALLVALUE OR DUP7 0xB5 DUP7 0x2A 0xAC 0xE8 0xE2 TIMESTAMP EQ 0xA5 0x2F 0xAD DUP14 SELFDESTRUCT KECCAK256 0xD8 0x4C LOG3 SLOAD PUSH5 0x736F6C6343 STOP ADDMOD DIV STOP CALLER ",
			"sourceMap": 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		},
		"gasEstimates": {
			"creation": {
				"codeDepositCost": "775800",
				"executionCost": "infinite",
				"totalCost": "infinite"
			},
			"external": {
				"allowance(address,address)": "infinite",
				"approve(address,uint256)": "infinite",
				"balanceOf(address)": "1563",
				"decimals()": "1171",
				"name()": "infinite",
				"symbol()": "infinite",
				"totalSupply()": "1182",
				"transfer(address,uint256)": "infinite",
				"transferFrom(address,address,uint256)": "infinite"
			}
		},
		"methodIdentifiers": {
			"allowance(address,address)": "dd62ed3e",
			"approve(address,uint256)": "095ea7b3",
			"balanceOf(address)": "70a08231",
			"decimals()": "313ce567",
			"name()": "06fdde03",
			"symbol()": "95d89b41",
			"totalSupply()": "18160ddd",
			"transfer(address,uint256)": "a9059cbb",
			"transferFrom(address,address,uint256)": "23b872dd"
		}
	},
	"abi": [
		{
			"inputs": [
				{
					"internalType": "uint256",
					"name": "_total",
					"type": "uint256"
				},
				{
					"internalType": "string",
					"name": "_name",
					"type": "string"
				},
				{
					"internalType": "string",
					"name": "_symbol",
					"type": "string"
				},
				{
					"internalType": "uint8",
					"name": "_decimals",
					"type": "uint8"
				}
			],
			"stateMutability": "nonpayable",
			"type": "constructor"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": true,
					"internalType": "address",
					"name": "tokenOwner",
					"type": "address"
				},
				{
					"indexed": true,
					"internalType": "address",
					"name": "spender",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "tokens",
					"type": "uint256"
				}
			],
			"name": "Approval",
			"type": "event"
		},
		{
			"anonymous": false,
			"inputs": [
				{
					"indexed": true,
					"internalType": "address",
					"name": "from",
					"type": "address"
				},
				{
					"indexed": true,
					"internalType": "address",
					"name": "to",
					"type": "address"
				},
				{
					"indexed": false,
					"internalType": "uint256",
					"name": "tokens",
					"type": "uint256"
				}
			],
			"name": "Transfer",
			"type": "event"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "owner",
					"type": "address"
				},
				{
					"internalType": "address",
					"name": "delegate",
					"type": "address"
				}
			],
			"name": "allowance",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "delegate",
					"type": "address"
				},
				{
					"internalType": "uint256",
					"name": "numTokens",
					"type": "uint256"
				}
			],
			"name": "approve",
			"outputs": [
				{
					"internalType": "bool",
					"name": "",
					"type": "bool"
				}
			],
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "tokenOwner",
					"type": "address"
				}
			],
			"name": "balanceOf",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "decimals",
			"outputs": [
				{
					"internalType": "uint8",
					"name": "",
					"type": "uint8"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "name",
			"outputs": [
				{
					"internalType": "string",
					"name": "",
					"type": "string"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "symbol",
			"outputs": [
				{
					"internalType": "string",
					"name": "",
					"type": "string"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [],
			"name": "totalSupply",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"stateMutability": "view",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "receiver",
					"type": "address"
				},
				{
					"internalType": "uint256",
					"name": "numTokens",
					"type": "uint256"
				}
			],
			"name": "transfer",
			"outputs": [
				{
					"internalType": "bool",
					"name": "",
					"type": "bool"
				}
			],
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"inputs": [
				{
					"internalType": "address",
					"name": "owner",
					"type": "address"
				},
				{
					"internalType": "address",
					"name": "buyer",
					"type": "address"
				},
				{
					"internalType": "uint256",
					"name": "numTokens",
					"type": "uint256"
				}
			],
			"name": "transferFrom",
			"outputs": [
				{
					"internalType": "bool",
					"name": "",
					"type": "bool"
				}
			],
			"stateMutability": "nonpayable",
			"type": "function"
		}
	]
}

## contracts...artifacts...ERC20Basic_metadata.json
{
	"compiler": {
		"version": "0.8.4+commit.c7e474f2"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"inputs": [
					{
						"internalType": "uint256",
						"name": "_total",
						"type": "uint256"
					},
					{
						"internalType": "string",
						"name": "_name",
						"type": "string"
					},
					{
						"internalType": "string",
						"name": "_symbol",
						"type": "string"
					},
					{
						"internalType": "uint8",
						"name": "_decimals",
						"type": "uint8"
					}
				],
				"stateMutability": "nonpayable",
				"type": "constructor"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": true,
						"internalType": "address",
						"name": "tokenOwner",
						"type": "address"
					},
					{
						"indexed": true,
						"internalType": "address",
						"name": "spender",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "tokens",
						"type": "uint256"
					}
				],
				"name": "Approval",
				"type": "event"
			},
			{
				"anonymous": false,
				"inputs": [
					{
						"indexed": true,
						"internalType": "address",
						"name": "from",
						"type": "address"
					},
					{
						"indexed": true,
						"internalType": "address",
						"name": "to",
						"type": "address"
					},
					{
						"indexed": false,
						"internalType": "uint256",
						"name": "tokens",
						"type": "uint256"
					}
				],
				"name": "Transfer",
				"type": "event"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "owner",
						"type": "address"
					},
					{
						"internalType": "address",
						"name": "delegate",
						"type": "address"
					}
				],
				"name": "allowance",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "delegate",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "numTokens",
						"type": "uint256"
					}
				],
				"name": "approve",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "tokenOwner",
						"type": "address"
					}
				],
				"name": "balanceOf",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "decimals",
				"outputs": [
					{
						"internalType": "uint8",
						"name": "",
						"type": "uint8"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "name",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "symbol",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [],
				"name": "totalSupply",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"stateMutability": "view",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "receiver",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "numTokens",
						"type": "uint256"
					}
				],
				"name": "transfer",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"inputs": [
					{
						"internalType": "address",
						"name": "owner",
						"type": "address"
					},
					{
						"internalType": "address",
						"name": "buyer",
						"type": "address"
					},
					{
						"internalType": "uint256",
						"name": "numTokens",
						"type": "uint256"
					}
				],
				"name": "transferFrom",
				"outputs": [
					{
						"internalType": "bool",
						"name": "",
						"type": "bool"
					}
				],
				"stateMutability": "nonpayable",
				"type": "function"
			}
		],
		"devdoc": {
			"kind": "dev",
			"methods": {},
			"version": 1
		},
		"userdoc": {
			"kind": "user",
			"methods": {},
			"version": 1
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/ERC20_GM.sol": "ERC20Basic"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"metadata": {
			"bytecodeHash": "ipfs"
		},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"contracts/ERC20_GM.sol": {
			"keccak256": "0x2db299262b3c48e017609e828a873ddb4ee768fff071f3c6fc842bc5581402b7",
			"urls": [
				"bzz-raw://8d55f5066c8bae74a6f008b1ed23d7d08a60d999b7205b9ef13afb5b6c8856c4",
				"dweb:/ipfs/QmXAEJWESD8nutwZcxSuQkhQjZXAqnaDpCLAT7uE1W2Ckq"
			]
		}
	},
	"version": 1
}

## contracts...BettingGame.sol
/** Contract created based on: https://docs.chain.link/docs/get-a-random-number
 *  Contract created only for educational purposes, by: github.com/dappuniversity
 *  You will need testnet ETH and LINK.
 *     - Rinkeby ETH faucet: https://faucet.rinkeby.io/
 *     - Rinkeby LINK faucet: https://rinkeby.chain.link/
 */

/** !UPDATE
 * min. bet >= $1 in Ethereum
 *
 * ETH/USD price will be received from Chainlink Oracles prices feed aggregator.
 * more: https://docs.chain.link/docs/using-chainlink-reference-contracts.
 */
pragma solidity 0.6.6;

import "https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/VRFConsumerBase.sol";
import "https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol"; /* !UPDATE, import aggregator contract */

contract BettingGame is VRFConsumerBase {

  /** !UPDATE
   *
   * assign an aggregator contract to the variable.
   */
  AggregatorV3Interface internal ethUsd;

  uint256 internal fee;
  uint256 public randomResult;

  //Network: Rinkeby
  address constant VFRC_address = 0xb3dCcb4Cf7a26f6cf6B120Cf5A73875B7BBc655B; // VRF Coordinator
  address constant LINK_address = 0x01BE23585060835E02B77ef475b0Cc51aA1e0709; // LINK token

  //declaring 50% chance, (0.5*(uint256+1))
  uint256 constant half = 57896044618658097711785492504343953926634992332820282019728792003956564819968;

  //keyHash - one of the component from which will be generated final random value by Chainlink VFRC.
  bytes32 constant internal keyHash = 0x2ed0feb3e7fd2022120aa84fab1945545a9f2ffc9076fd6156fa96eaff4c1311;

  uint256 public gameId;
  uint256 public lastGameId;
  address payable public admin;
  mapping(uint256 => Game) public games;

  struct Game{
    uint256 id;
    uint256 bet;
    uint256 seed;
    uint256 amount;
    address payable player;
  }

  modifier onlyAdmin() {
    require(msg.sender == admin, 'caller is not the admin');
    _;
  }

  modifier onlyVFRC() {
    require(msg.sender == VFRC_address, 'only VFRC can call this function');
    _;
  }

  event Withdraw(address admin, uint256 amount);
  event Received(address indexed sender, uint256 amount);
  event Result(uint256 id, uint256 bet, uint256 randomSeed, uint256 amount, address player, uint256 winAmount, uint256 randomResult, uint256 time);

  /**
   * Constructor inherits VRFConsumerBase.
   */
  constructor() VRFConsumerBase(VFRC_address, LINK_address) public {
    fee = 0.1 * 10 ** 18; // 0.1 LINK
    admin = msg.sender;

    /** !UPDATE
     *
     * assign ETH/USD Rinkeby contract address to the aggregator variable.
     * more: https://docs.chain.link/docs/ethereum-addresses
     */

    ethUsd = AggregatorV3Interface(0x8A753747A1Fa494EC906cE90E9f37563A8AF630e);
  }

  /* Allows this contract to receive payments */
  receive() external payable {
    emit Received(msg.sender, msg.value);
  }


  /** !UPDATE
   *
   * Returns latest ETH/USD price from Chainlink oracles.
   */
  function ethInUsd() public view returns (int) {
    (uint80 roundId, int price, uint startedAt, uint timeStamp, uint80 answeredInRound) = ethUsd.latestRoundData();

    return price;
  }

  /** !UPDATE
   *
   * ethUsd - latest price from Chainlink oracles (ETH in USD * 10**8).
   * weiUsd - USD in Wei, received by dividing:
   *          ETH in Wei (converted to compatibility with etUsd (10**18 * 10**8)),
   *          by ethUsd.
   */
  function weiInUsd() public view returns (uint) {
    int ethUsd = ethInUsd();
    int weiUsd = 10**26/ethUsd;

    return uint(weiUsd);
  }

  /**
   * Taking bets function.
   * By winning, user 2x his betAmount.
   * Chances to win and lose are the same.
   */
  function game(uint256 bet, uint256 seed) public payable returns (bool) {

    /** !UPDATE
     *
     * Checking if msg.value is higher or equal than $1.
    */
    uint weiUsd = weiInUsd();
    require(msg.value>=weiUsd, 'Error, msg.value must be >= $1');

    //bet=0 is low, refers to 1-3  dice values
    //bet=1 is high, refers to 4-6 dice values
    require(bet<=1, 'Error, accept only 0 and 1');

    //vault balance must be at least equal to msg.value
    require(address(this).balance>=msg.value, 'Error, insufficent vault balance');

    //each bet has unique id
    games[gameId] = Game(gameId, bet, seed, msg.value, msg.sender);

    //increase gameId for the next bet
    gameId = gameId+1;

    //seed is auto-generated by DApp
    getRandomNumber(seed);

    return true;
  }

  /**
   * Request for randomness.
   */
  function getRandomNumber(uint256 userProvidedSeed) internal returns (bytes32 requestId) {
    require(LINK.balanceOf(address(this)) > fee, "Error, not enough LINK - fill contract with faucet");
    return requestRandomness(keyHash, fee, userProvidedSeed);
  }

  /**
   * Callback function used by VRF Coordinator.
   */
  function fulfillRandomness(bytes32 requestId, uint256 randomness) internal override {
    randomResult = randomness;

    //send final random value to the verdict();
    verdict(randomResult);
  }

  /**
   * Send rewards to the winners.
   */
  function verdict(uint256 random) public payable onlyVFRC {
    //check bets from latest betting round, one by one
    for(uint256 i=lastGameId; i<gameId; i++){
      //reset winAmount for current user
      uint256 winAmount = 0;

      //if user wins, then receives 2x of their betting amount
      if((random>=half && games[i].bet==1) || (random<half && games[i].bet==0)){
        winAmount = games[i].amount*2;
        games[i].player.transfer(winAmount);
      }
      emit Result(games[i].id, games[i].bet, games[i].seed, games[i].amount, games[i].player, winAmount, random, block.timestamp);
    }
    //save current gameId to lastGameId for the next betting round
    lastGameId = gameId;
  }

  /**
   * Withdraw LINK from this contract (admin option).
   */
  function withdrawLink(uint256 amount) external onlyAdmin {
    require(LINK.transfer(msg.sender, amount), "Error, unable to transfer");
  }

  /**
   * Withdraw Ether from this contract (admin option).
   */
  function withdrawEther(uint256 amount) external payable onlyAdmin {
    require(address(this).balance>=amount, 'Error, contract has insufficent balance');
    admin.transfer(amount);

    emit Withdraw(admin, amount);
  }
}

## contracts...Coin.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.0 <0.9.0;

contract Coin {
    // The keyword "public" makes variables
    // accessible from other contracts
    address public minter;
    mapping (address => uint) public balances;

    // Events allow clients to react to specific
    // contract changes you declare
    event Sent(address from, address to, uint amount);

    // Constructor code is only run when the contract
    // is created
    constructor() {
        minter = msg.sender;
    }

    // Sends an amount of newly created coins to an address
    // Can only be called by the contract creator
    function mint(address receiver, uint amount) public {
        require(msg.sender == minter);
        require(amount < 1e60);
        balances[receiver] += amount;
    }

    // Sends an amount of existing coins
    // from any caller to an address
    function send(address receiver, uint amount) public {
        require(amount <= balances[msg.sender], "Insufficient balance.");
        balances[msg.sender] -= amount;
        balances[receiver] += amount;
        emit Sent(msg.sender, receiver, amount);
    }
}

## contracts...DappFactoryCoin.sol
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

contract DappFactoryToken is ERC20 {
    constructor(uint256 initialSupply) ERC20("DappFactoryToken", "DFT") public {
        _mint(msg.sender, initialSupply);
    }
}

## contracts...ERC1155.sol
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract GameItems is ERC1155, Ownable {

    mapping(string => uint256) public assets;
    uint256 private totalAssetsIndex = 0;

    constructor() public ERC1155("https://nebula.com/resources/dapps/{id}.json") {
        // https://nebula.com/resources/dapps/2.json
        addNewAssetType('GOLD', 10, 18); // ID: 0
        addNewAssetType('SILVER', 10, 27); // ID: 1
        addNewAssetType('MESSY', 2, 2); // NFT ID: 2 URI: https://nebula.com/resources/dapps/2.json
        addNewAssetType('Sword_X', 1, 1); // NFT ID: 4 URI: https://nebula.com/resources/dapps/3.json
        addNewAssetType('SWORD', 10, 9);
        addNewAssetType('SHIELD', 10, 9);
    }

    function addNewAssetType(string memory _newAssetName, uint256 _newAssetBase, uint256 _newAssetPower) public onlyOwner {
        require(bytes(_newAssetName).length > 0, "Please provide new asset name");
        require(_newAssetBase > 0, "Asset amount should be more than 0");

        // New asset creation
        assets[_newAssetName] = totalAssetsIndex;
        totalAssetsIndex++;

        // Add new asset total quantity
        _mint(msg.sender, assets[_newAssetName], _newAssetBase**_newAssetPower, "");
    }

    // Define Milestones
     // Token ID: N should receive boolean true from Oracle contract
     // if (true) send airdrop
}

## contracts...ERC20_GM.sol
pragma solidity ^0.8.0;

contract ERC20Basic {

    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 totalSupply_;


    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
    event Transfer(address indexed from, address indexed to, uint tokens);

    // { key: 0x01000000, value: 0 }
    mapping(address => uint256) balances;
    // { key: 0x01000000, value: { key: 0x02000000, value: 5 } }
    mapping(address => mapping (address => uint256)) allowed;


    using SafeMath for uint256;

    constructor(uint256 _total, string memory _name, string memory _symbol, uint8 _decimals) public {
    	totalSupply_ = _total;
    	name = _name;
    	symbol = _symbol;
    	decimals = _decimals;
    	balances[msg.sender] = totalSupply_;
    }

    // View This is generally the replacement for constant. It indicates that the function will not alter the storage state in any way.
    function totalSupply() public view returns (uint256) {
	    return totalSupply_;
    }

    function balanceOf(address tokenOwner) public view returns (uint) {
        return balances[tokenOwner];
    }

    function transfer(address receiver, uint numTokens) public returns (bool) {
        require(numTokens <= balances[msg.sender]);
        balances[msg.sender] = balances[msg.sender].sub(numTokens);
        balances[receiver] = balances[receiver].add(numTokens);
        emit Transfer(msg.sender, receiver, numTokens);
        return true;
    }

    function approve(address delegate, uint numTokens) public returns (bool) {
        allowed[msg.sender][delegate] = numTokens;
        emit Approval(msg.sender, delegate, numTokens);
        return true;
    }

    function allowance(address owner, address delegate) public view returns (uint) {
        return allowed[owner][delegate];
    }

    function transferFrom(address owner, address buyer, uint numTokens) public returns (bool) {
        require(numTokens <= balances[owner]);
        require(numTokens <= allowed[owner][msg.sender]);

        balances[owner] = balances[owner].sub(numTokens);
        allowed[owner][msg.sender] = allowed[owner][msg.sender].sub(numTokens);
        balances[buyer] = balances[buyer].add(numTokens);
        emit Transfer(owner, buyer, numTokens);
        return true;
    }
}

library SafeMath {
    // Pure This is even more restrictive than view, indicating that it won't even read the storage state.
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
      assert(b <= a);
      return a - b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
      uint256 c = a + b;
      assert(c >= a);
      return c;
    }
}

## contracts...ERC721_nft.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/token/ERC721/ERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/utils/Counters.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/access/Ownable.sol";

contract NftExample is ERC721, Ownable {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

    constructor() ERC721("GM-NFT", "GMNFT") {}

    function mintNft(address receiver, string memory tokenURI) external onlyOwner returns (uint256) {
        _tokenIds.increment();

        uint256 newNftTokenId = _tokenIds.current();
        _mint(receiver, newNftTokenId);
        _setTokenURI(newNftTokenId, tokenURI);

        return newNftTokenId;
    }
}

## contracts...Lottery.sol
pragma solidity 0.6.6;

import "@chainlink/contracts/src/v0.6/VRFConsumerBase.sol";

/**
 * THIS IS AN EXAMPLE CONTRACT WHICH USES HARDCODED VALUES FOR CLARITY.
 * PLEASE DO NOT USE THIS CODE IN PRODUCTION.
 */
contract RandomNumberConsumer is VRFConsumerBase {

    bytes32 internal keyHash;
    uint256 internal fee;

    uint256 public randomResult;

    /**
     * Constructor inherits VRFConsumerBase
     *
     * Network: Mumbai
     * Chainlink VRF Coordinator address: 0x8C7382F9D8f56b33781fE506E897a4F1e2d17255
     * LINK token address:                0x326C977E6efc84E512bB9C30f76E30c160eD06FB
     * Key Hash: 0x6e75b569a01ef56d18cab6a8e71e6600d6ce853834d4a5748b720d06f878b3a4
     */
    constructor()
        VRFConsumerBase(
            0x8C7382F9D8f56b33781fE506E897a4F1e2d17255, // VRF Coordinator
            0x326C977E6efc84E512bB9C30f76E30c160eD06FB  // LINK Token
        ) public
    {
        keyHash = 0x6e75b569a01ef56d18cab6a8e71e6600d6ce853834d4a5748b720d06f878b3a4;
        fee = 0.1 * 10 ** 18; // 0.1 LINK (Varies by network)
    }

    /**
     * Requests randomness
     */
    function getRandomNumber() public returns (bytes32 requestId) {
        require(LINK.balanceOf(address(this)) >= fee, "Not enough LINK - fill contract with faucet");
        return requestRandomness(keyHash, fee);
    }

    /**
     * Callback function used by VRF Coordinator
     */
    function fulfillRandomness(bytes32 requestId, uint256 randomness) internal override {
        randomResult = randomness;
    }

    // function withdrawLink() external {} - Implement a withdraw function to avoid locking your LINK in the contract
}

## contracts...MaticOracle.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.7;

interface AggregatorV3Interface {

  function decimals() external view returns (uint8);
  function description() external view returns (string memory);
  function version() external view returns (uint256);

  // getRoundData and latestRoundData should both raise "No data present"
  // if they do not have data to report, instead of returning unset values
  // which could be misinterpreted as actual reported values.
  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

}

contract PriceConsumer {

    AggregatorV3Interface internal priceFeed;

    /**
     * Network: Kovan
     * Aggregator: MATIC/USD
     * Address: 0xd0D5e3DB44DE05E9F294BB0a3bEEaF030DE24Ada
     */
    constructor() public {
        priceFeed = AggregatorV3Interface(0xd0D5e3DB44DE05E9F294BB0a3bEEaF030DE24Ada);
    }

    /**
     * Returns the latest price
     */
    function getLatestPrice() public view returns (int) {
        (
            uint80 roundID,
            int price,
            uint startedAt,
            uint timeStamp,
            uint80 answeredInRound
        ) = priceFeed.latestRoundData();
        return price;
    }
}

## contracts...Simple_Storage.sol
pragma solidity 0.8.1;

/**
 * The Storag contract stores int value
 */
contract Storag {
	uint256 dateOfBirth;

  constructor(uint256 _dateOfBirth) {
    dateOfBirth = _dateOfBirth;
  }

  function getDateOfBirth() public view returns (uint256) {
  	return dateOfBirth;
  }

  function setDateOfBirth(uint256 _newDateOfBirth) public returns (uint256) {
    dateOfBirth = _newDateOfBirth;
    return dateOfBirth;
  }
}

## contracts...Test_ERC721.sol
// contracts/GameItem.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";

contract RainforestNFT is ERC721URIStorage {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

    address private chairman;
    uint public totalNFTsMinted = 0;

    constructor() ERC721("RainforestNFT", "RNF") {
        chairman = msg.sender;
    }

    function mint(address player, string memory tokenURI) public returns (uint256) {
        require(msg.sender == chairman, "Only chairman has permission to mint tokens");
        _tokenIds.increment();

        uint256 newItemId = _tokenIds.current();
        _mint(player, newItemId);
        _setTokenURI(newItemId, tokenURI);
        totalNFTsMinted++;

        return newItemId;
    }

}

## contracts...TimeLocked.sol
pragma solidity >=0.5.0 <0.6.0;

contract TimeLocked {
    uint createdAt;

    constructor() public {
        createdAt = now;
    }

    function getCreationDate() public view returns(uint) {
        return createdAt;
    }

    function updateCreationDate() public returns(uint) {
        createdAt = now;
        return createdAt;
    }
}

## contracts...Todo.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * The Todo contract will hold tasks in a decentralized manner
 */
contract Todo {

  struct Task {
    uint id;
    uint date;
    string content;
    address author;
    bool done;
  }

  uint nextTaskId;
  mapping(uint => Task) public tasks;

  constructor() {
    nextTaskId = 0;
  }

  event TaskCreated(uint, address, string);

  function createTask(string memory _content) public {
    tasks[nextTaskId] = Task(nextTaskId, block.timestamp, _content, msg.sender, false);
    emit TaskCreated(nextTaskId, msg.sender, _content);
    nextTaskId++;
  }

  function getTask(uint _id) public view returns (
      uint,
      uint,
      string memory,
      address,
      bool
    )
  {
    return (
      _id,
      tasks[_id].date,
      tasks[_id].content,
      tasks[_id].author,
      tasks[_id].done
    );
  }

  function toggleTaskStatus(uint _id) public {
    require(msg.sender == tasks[_id].author);
    tasks[_id].done = !tasks[_id].done;
  }

}


## contracts...Token.sol
pragma solidity ^0.8.1;

contract ZenToken {
    string public name = 'ZenToken';
    address public owner;
    mapping(address => uint) public balances;
    event Sent(address from, address to, uint amount);

    constructor(uint capital) {
        owner = msg.sender;
        balances[msg.sender] = capital;
    }

    modifier restricted(uint amount) {
        require(msg.sender == owner, 'you have not permission');
        require(amount < 1e60);
        _;
    }

    modifier balanceCheck(uint amount) {
        require(amount < balances[msg.sender] , 'you have not enough zentokens');
        _;
    }

    function transaction(address receiver, uint amount) private balanceCheck(amount) returns(bool) {
        balances[msg.sender] -= amount;
        balances[receiver] += amount;
        emit Sent(msg.sender, receiver, amount);
        return true;
    }

   function investor(address receiver, uint amount) public restricted(amount) returns(bool){
      return transaction(receiver, amount);
   }

   function sent(address receiver, uint amount) public returns(bool) {
       return transaction(receiver, amount);
   }

}

## contracts...Voting.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.4.22 <0.9.0;

/// @title Voting smart contract with option to delegate.
contract Ballot {
    // This will declare a new complex data type, which we can use to represent individual voters.
    struct ballotVoter {
        uint delegateWeight; // delegateWeight is accumulated by delegation
        bool voteSpent;  // if true, that person already used their vote
        address delegateTo; // the person that the voter chooses to delegate their vote to instead of voting themselves
        uint voteIndex;   // index of the proposal that was voted for
    }

    // This is a type for a single proposal.
    struct Proposal {
        bytes32 proposalName;   // short name for the proposal (up to 32 bytes)
        uint voteCount; // the number of votes accumulated
    }

    address public chairman;

    // Declare state variable to store a 'ballotVoter' struct for every possible address.
    mapping(address => ballotVoter) public ballotVoters;

    // A dynamically-sized array of 'Proposal' structs.
    Proposal[] public proposalsOption;

    /// New ballot for choosing one of the 'proposalNames'
    constructor(bytes32[] proposalNames) {
        chairman = msg.sender;
        ballotVoters[chairman].delegateWeight = 1;

        // For every provided proposal names, a new proposal object is created and added to the array's end.
        for (uint i = 0; i < proposalNames.length; i++) {
            // 'Proposal({...})' will create a temporary Proposal object
            // 'proposalsOption.push(...)' will append it to the end of 'proposalsOption'.
            proposalsOption.push(Proposal({
                proposalName: proposalNames[i] ,
                voteCount: 0
            }));
        }
    }

    // Give 'ballotVoter' the right to cast a vote on this ballot.
    // Can only be called by 'chairman'.
    function giveVotingRights(address ballotVoter) {
        // In case the argument of 'require' is evaluted to 'false',
        // it will terminate and revert all
        // state and Ether balance changes. It is often
        // a good idea to use this in case the functions are
        // not called correctly. Keep in mind, however, that this
        // will currently also consume all of the provided gas
        // (this is planned to change in the future).
        require((msg.sender == chairman) && !ballotVoters[ballotvoter].voteSpent && (ballotVoters[ballotvoter].delegateWeight == 0));
        ballotVoters[ballotvoter].delegateWeight = 1;
    }

    /// Delegate your vote to the voter 'to'.
    function delegateTo(address to) {
        // assigns reference
        ballotVoter storage sender = ballotVoters[msg.sender];
        require(!sender.voteSpent);

        // Self-delegation is not allowed.
        require(to != msg.sender);

        // Forward the delegation as long as
        // 'to' is delegated too.
        // In general, such loops can be very dangerous,
        // since if they run for too long, they might
        // need more gas than available inside a block.
        // In that scenario, no delegation is made
        // but in other situations, such loops might
        // cause a contract to get "stuck" completely.
        while (ballotVoters[to].delegateTo != address(0)) {
            to = ballotVoters[to].delegateTo;

            // We found a loop in the delegation, not allowed.
            require(to != msg.sender);
        }

        // Since 'sender' is a reference, this will modify 'ballotVoters[msg.sender].voteSpent'
        sender.voteSpent = true;
        sender.delegateTo = to;
        ballotVoter storage delegateTo = ballotVoters[to];
        if (delegateTo.voteSpent) {
            // If the delegated person already voted, directly add to the number of votes
            proposalsOption[delegateTo.voteIndex].voteCount += sender.delegateWeight;
        } else {
            // If the delegated did not vote yet,
            // add to her delegateWeight.
            delegateTo.delegateWeight += sender.delegateWeight;
        }
    }

    /// Give your vote (including votes delegated to you) to proposal 'proposalsOption[proposal].proposalName'.
    function voteIndex(uint proposal) {
        ballotVoter storage sender = ballotVoters[msg.sender];
        require(!sender.voteSpent);
        sender.voteSpent = true;
        sender.voteIndex = proposal;

        // If 'proposal' is out of the range of the array,
        // this will throw automatically and revert all
        // changes.
        proposalsOption[proposal].voteCount += sender.delegateWeight;
    }

    /// @dev Computes which proposal wins by taking all previous votes into account.
    function winnerProposal() public returns (uint winnerProposal)
    {
        uint winnerVoteCount = 0;
        for (uint p = 0; p < proposalsOption.length; p++) {
            if (proposalsOption[p].voteCount > winnerVoteCount) {
                winnerVoteCount = proposalsOption[p].voteCount;
                winnerProposal = p;
            }
        }
    }

    /// Calls winnerProposal() function in order to acquire the index
    /// of the winner which the proposalsOption array contains and then
    /// returns the name of the winning proposal
    function winner() public returns (bytes32 winner)
    {
        winner = proposalsOption[winnerProposal()].proposalName;
    }
}

## contracts...ZombieFactory.sol
pragma solidity >=0.5.0 <0.6.0;

contract ZombieOrganization {
    struct Zombie {
        string name;
        uint dna;
    }
}

contract ZombieFactory is ZombieOrganization {

    event NewZombie(uint zombieId, string name, uint dna);

    uint dnaDigits = 16;
    uint dnaModulus = 10 ** dnaDigits;


    Zombie[] public zombies;

    mapping (uint => address) public zombieToOwner;
    mapping (address => uint) ownerZombieCount;

    function _createZombie(string memory _name, uint _dna) private {
        uint id = zombies.push(Zombie(_name, _dna)) - 1;
        zombieToOwner[id] = msg.sender;
        ownerZombieCount[msg.sender]++;
        emit NewZombie(id, _name, _dna);
    }

    function _generateRandomDna(string memory _str) private view returns (uint) {
        uint rand = uint(keccak256(abi.encodePacked(_str)));
        return rand % dnaModulus;
    }

    function createRandomZombie(string memory _name) public {
        require(ownerZombieCount[msg.sender] == 0);
        uint randDna = _generateRandomDna(_name);
        _createZombie(_name, randDna);
    }

}

// Start here

## contracts...artifacts...GameItem.json

      
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## contracts...artifacts...GameItem_metadata.json

      
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## contracts...artifacts...GameItems.json

      
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## contracts...artifacts...GameItems_metadata.json

      
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## contracts...artifacts...GMT.json
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												"src": "492:15:5"
											},
											"nodeType": "YulExpressionStatement",
											"src": "492:15:5"
										}
									]
								},
								"name": "panic_error_0x22",
								"nodeType": "YulFunctionDefinition",
								"src": "333:180:5"
							}
						]
					},
					"contents": "{\n\n    function extract_byte_array_length(data) -> length {\n        length := div(data, 2)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) {\n            length := and(length, 0x7f)\n        }\n\n        if eq(outOfPlaceEncoding, lt(length, 32)) {\n            panic_error_0x22()\n        }\n    }\n\n    function panic_error_0x22() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x22)\n        revert(0, 0x24)\n    }\n\n}\n",
					"id": 5,
					"language": "Yul",
					"name": "#utility.yul"
				}
			],
			"linkReferences": {},
			"object": 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			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD DUP1 PUSH1 0x40 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x3 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x474D540000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP PUSH1 0x40 MLOAD DUP1 PUSH1 0x40 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x4 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4D4E465400000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP DUP2 PUSH1 0x3 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH3 0x96 SWAP3 SWAP2 SWAP1 PUSH3 0xB8 JUMP JUMPDEST POP DUP1 PUSH1 0x4 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH3 0xAF SWAP3 SWAP2 SWAP1 PUSH3 0xB8 JUMP JUMPDEST POP POP POP PUSH3 0x1CD JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH3 0xC6 SWAP1 PUSH3 0x168 JUMP JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH3 0xEA JUMPI PUSH1 0x0 DUP6 SSTORE PUSH3 0x136 JUMP JUMPDEST DUP3 PUSH1 0x1F LT PUSH3 0x105 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x136 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x136 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x135 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x118 JUMP JUMPDEST JUMPDEST POP SWAP1 POP PUSH3 0x145 SWAP2 SWAP1 PUSH3 0x149 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x164 JUMPI PUSH1 0x0 DUP2 PUSH1 0x0 SWAP1 SSTORE POP PUSH1 0x1 ADD PUSH3 0x14A JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 DUP3 DIV SWAP1 POP PUSH1 0x1 DUP3 AND DUP1 PUSH3 0x181 JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 EQ ISZERO PUSH3 0x198 JUMPI PUSH3 0x197 PUSH3 0x19E JUMP JUMPDEST JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH2 0x13D4 DUP1 PUSH3 0x1DD PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0xA9 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x39509351 GT PUSH2 0x71 JUMPI DUP1 PUSH4 0x39509351 EQ PUSH2 0x168 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x198 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x1C8 JUMPI DUP1 PUSH4 0xA457C2D7 EQ PUSH2 0x1E6 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x246 JUMPI PUSH2 0xA9 JUMP JUMPDEST DUP1 PUSH4 0x6FDDE03 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xCC JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0xFC JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x14A JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xB6 PUSH2 0x276 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xC3 SWAP2 SWAP1 PUSH2 0xE40 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xE6 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0xE1 SWAP2 SWAP1 PUSH2 0xC8E JUMP JUMPDEST PUSH2 0x308 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xF3 SWAP2 SWAP1 PUSH2 0xE25 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x104 PUSH2 0x326 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x111 SWAP2 SWAP1 PUSH2 0xF42 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x134 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x12F SWAP2 SWAP1 PUSH2 0xC3F JUMP JUMPDEST PUSH2 0x330 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x141 SWAP2 SWAP1 PUSH2 0xE25 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x152 PUSH2 0x431 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x15F SWAP2 SWAP1 PUSH2 0xF5D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x182 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x17D SWAP2 SWAP1 PUSH2 0xC8E JUMP JUMPDEST PUSH2 0x43A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x18F SWAP2 SWAP1 PUSH2 0xE25 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1B2 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1AD SWAP2 SWAP1 PUSH2 0xBDA JUMP JUMPDEST PUSH2 0x4E6 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1BF SWAP2 SWAP1 PUSH2 0xF42 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x1D0 PUSH2 0x52E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1DD SWAP2 SWAP1 PUSH2 0xE40 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x200 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x1FB SWAP2 SWAP1 PUSH2 0xC8E JUMP JUMPDEST PUSH2 0x5C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x20D SWAP2 SWAP1 PUSH2 0xE25 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x230 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x22B SWAP2 SWAP1 PUSH2 0xC8E JUMP JUMPDEST PUSH2 0x6B4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x23D SWAP2 SWAP1 PUSH2 0xE25 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x260 PUSH1 0x4 DUP1 CALLDATASIZE SUB DUP2 ADD SWAP1 PUSH2 0x25B SWAP2 SWAP1 PUSH2 0xC03 JUMP JUMPDEST PUSH2 0x6D2 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x26D SWAP2 SWAP1 PUSH2 0xF42 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD PUSH2 0x285 SWAP1 PUSH2 0x10A6 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x2B1 SWAP1 PUSH2 0x10A6 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x2FE JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x2D3 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2FE JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2E1 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x31C PUSH2 0x315 PUSH2 0x759 JUMP JUMPDEST DUP5 DUP5 PUSH2 0x761 JUMP JUMPDEST PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 SLOAD SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x33D DUP5 DUP5 DUP5 PUSH2 0x92C JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x0 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 PUSH2 0x388 PUSH2 0x759 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP DUP3 DUP2 LT ISZERO PUSH2 0x408 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x3FF SWAP1 PUSH2 0xEC2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x425 DUP6 PUSH2 0x414 PUSH2 0x759 JUMP JUMPDEST DUP6 DUP5 PUSH2 0x420 SWAP2 SWAP1 PUSH2 0xFEA JUMP JUMPDEST PUSH2 0x761 JUMP JUMPDEST PUSH1 0x1 SWAP2 POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x12 SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4DC PUSH2 0x447 PUSH2 0x759 JUMP JUMPDEST DUP5 DUP5 PUSH1 0x1 PUSH1 0x0 PUSH2 0x455 PUSH2 0x759 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH2 0x4D7 SWAP2 SWAP1 PUSH2 0xF94 JUMP JUMPDEST PUSH2 0x761 JUMP JUMPDEST PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x4 DUP1 SLOAD PUSH2 0x53D SWAP1 PUSH2 0x10A6 JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x569 SWAP1 PUSH2 0x10A6 JUMP JUMPDEST DUP1 ISZERO PUSH2 0x5B6 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x58B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x5B6 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x599 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 PUSH1 0x0 PUSH2 0x5CF PUSH2 0x759 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP DUP3 DUP2 LT ISZERO PUSH2 0x68C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x683 SWAP1 PUSH2 0xF22 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x6A9 PUSH2 0x697 PUSH2 0x759 JUMP JUMPDEST DUP6 DUP6 DUP5 PUSH2 0x6A4 SWAP2 SWAP1 PUSH2 0xFEA JUMP JUMPDEST PUSH2 0x761 JUMP JUMPDEST PUSH1 0x1 SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x6C8 PUSH2 0x6C1 PUSH2 0x759 JUMP JUMPDEST DUP5 DUP5 PUSH2 0x92C JUMP JUMPDEST PUSH1 0x1 SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 CALLER SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x7D1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7C8 SWAP1 PUSH2 0xF02 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x841 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x838 SWAP1 PUSH2 0xE82 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 DUP4 PUSH1 0x40 MLOAD PUSH2 0x91F SWAP2 SWAP1 PUSH2 0xF42 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x99C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x993 SWAP1 PUSH2 0xEE2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0xA0C JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xA03 SWAP1 PUSH2 0xE62 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0xA17 DUP4 DUP4 DUP4 PUSH2 0xBAB JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 SLOAD SWAP1 POP DUP2 DUP2 LT ISZERO PUSH2 0xA9D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xA94 SWAP1 PUSH2 0xEA2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST DUP2 DUP2 PUSH2 0xAA9 SWAP2 SWAP1 PUSH2 0xFEA JUMP JUMPDEST PUSH1 0x0 DUP1 DUP7 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 DUP2 SWAP1 SSTORE POP DUP2 PUSH1 0x0 DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 KECCAK256 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0xB39 SWAP2 SWAP1 PUSH2 0xF94 JUMP JUMPDEST SWAP3 POP POP DUP2 SWAP1 SSTORE POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD PUSH2 0xB9D SWAP2 SWAP1 PUSH2 0xF42 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xBBF DUP2 PUSH2 0x1370 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 CALLDATALOAD SWAP1 POP PUSH2 0xBD4 DUP2 PUSH2 0x1387 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xBEC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xBFA DUP5 DUP3 DUP6 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xC16 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xC24 DUP6 DUP3 DUP7 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xC35 DUP6 DUP3 DUP7 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xC54 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xC62 DUP7 DUP3 DUP8 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0xC73 DUP7 DUP3 DUP8 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 PUSH2 0xC84 DUP7 DUP3 DUP8 ADD PUSH2 0xBC5 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xCA1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0xCAF DUP6 DUP3 DUP7 ADD PUSH2 0xBB0 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0xCC0 DUP6 DUP3 DUP7 ADD PUSH2 0xBC5 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH2 0xCD3 DUP2 PUSH2 0x1030 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xCE4 DUP3 PUSH2 0xF78 JUMP JUMPDEST PUSH2 0xCEE DUP2 DUP6 PUSH2 0xF83 JUMP JUMPDEST SWAP4 POP PUSH2 0xCFE DUP2 DUP6 PUSH1 0x20 DUP7 ADD PUSH2 0x1073 JUMP JUMPDEST PUSH2 0xD07 DUP2 PUSH2 0x1136 JUMP JUMPDEST DUP5 ADD SWAP2 POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD1F PUSH1 0x23 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xD2A DUP3 PUSH2 0x1147 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD42 PUSH1 0x22 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xD4D DUP3 PUSH2 0x1196 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD65 PUSH1 0x26 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xD70 DUP3 PUSH2 0x11E5 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD88 PUSH1 0x28 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xD93 DUP3 PUSH2 0x1234 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xDAB PUSH1 0x25 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xDB6 DUP3 PUSH2 0x1283 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xDCE PUSH1 0x24 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xDD9 DUP3 PUSH2 0x12D2 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xDF1 PUSH1 0x25 DUP4 PUSH2 0xF83 JUMP JUMPDEST SWAP2 POP PUSH2 0xDFC DUP3 PUSH2 0x1321 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0xE10 DUP2 PUSH2 0x105C JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH2 0xE1F DUP2 PUSH2 0x1066 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xE3A PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xCCA JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xE5A DUP2 DUP5 PUSH2 0xCD9 JUMP JUMPDEST SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xE7B DUP2 PUSH2 0xD12 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xE9B DUP2 PUSH2 0xD35 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xEBB DUP2 PUSH2 0xD58 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xEDB DUP2 PUSH2 0xD7B JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xEFB DUP2 PUSH2 0xD9E JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xF1B DUP2 PUSH2 0xDC1 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP DUP2 DUP2 SUB PUSH1 0x0 DUP4 ADD MSTORE PUSH2 0xF3B DUP2 PUSH2 0xDE4 JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xF57 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xE07 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 ADD SWAP1 POP PUSH2 0xF72 PUSH1 0x0 DUP4 ADD DUP5 PUSH2 0xE16 JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF9F DUP3 PUSH2 0x105C JUMP JUMPDEST SWAP2 POP PUSH2 0xFAA DUP4 PUSH2 0x105C JUMP JUMPDEST SWAP3 POP DUP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SUB DUP3 GT ISZERO PUSH2 0xFDF JUMPI PUSH2 0xFDE PUSH2 0x10D8 JUMP JUMPDEST JUMPDEST DUP3 DUP3 ADD SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xFF5 DUP3 PUSH2 0x105C JUMP JUMPDEST SWAP2 POP PUSH2 0x1000 DUP4 PUSH2 0x105C JUMP JUMPDEST SWAP3 POP DUP3 DUP3 LT ISZERO PUSH2 0x1013 JUMPI PUSH2 0x1012 PUSH2 0x10D8 JUMP JUMPDEST JUMPDEST DUP3 DUP3 SUB SWAP1 POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1029 DUP3 PUSH2 0x103C JUMP JUMPDEST SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 ISZERO ISZERO SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0xFF DUP3 AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1091 JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0x1076 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x10A0 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x2 DUP3 DIV SWAP1 POP PUSH1 0x1 DUP3 AND DUP1 PUSH2 0x10BE JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 EQ ISZERO PUSH2 0x10D2 JUMPI PUSH2 0x10D1 PUSH2 0x1107 JUMP JUMPDEST JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x4E487B7100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND SWAP1 POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH32 0x45524332303A207472616E7366657220746F20746865207A65726F2061646472 PUSH1 0x0 DUP3 ADD MSTORE PUSH32 0x6573730000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE POP JUMP JUMPDEST PUSH32 0x45524332303A20617070726F766520746F20746865207A65726F206164647265 PUSH1 0x0 DUP3 ADD MSTORE PUSH32 0x7373000000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE POP JUMP JUMPDEST PUSH32 0x45524332303A207472616E7366657220616D6F756E7420657863656564732062 PUSH1 0x0 DUP3 ADD MSTORE PUSH32 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									"statements": [
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												"src": "13358:16:5",
												"statements": [
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																	"nodeType": "YulLiteral",
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																{
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																	"value": "0"
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											"condition": {
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																"nodeType": "YulIdentifier",
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															},
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																		"nodeType": "YulIdentifier",
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																	}
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																"functionName": {
																	"name": "cleanup_t_address",
																	"nodeType": "YulIdentifier",
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																"nodeType": "YulFunctionCall",
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															"nodeType": "YulIdentifier",
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													"nodeType": "YulIdentifier",
													"src": "13314:6:5"
												},
												"nodeType": "YulFunctionCall",
												"src": "13314:43:5"
											},
											"nodeType": "YulIf",
											"src": "13311:2:5"
										}
									]
								},
								"name": "validator_revert_t_address",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "13294:5:5",
										"type": ""
									}
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									"statements": [
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											"body": {
												"nodeType": "YulBlock",
												"src": "13486:16:5",
												"statements": [
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														"expression": {
															"arguments": [
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "13495:1:5",
																	"type": "",
																	"value": "0"
																},
																{
																	"kind": "number",
																	"nodeType": "YulLiteral",
																	"src": "13498:1:5",
																	"type": "",
																	"value": "0"
																}
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															"functionName": {
																"name": "revert",
																"nodeType": "YulIdentifier",
																"src": "13488:6:5"
															},
															"nodeType": "YulFunctionCall",
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														},
														"nodeType": "YulExpressionStatement",
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													}
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											"condition": {
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															{
																"name": "value",
																"nodeType": "YulIdentifier",
																"src": "13452:5:5"
															},
															{
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																	{
																		"name": "value",
																		"nodeType": "YulIdentifier",
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																	}
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																"functionName": {
																	"name": "cleanup_t_uint256",
																	"nodeType": "YulIdentifier",
																	"src": "13459:17:5"
																},
																"nodeType": "YulFunctionCall",
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															"name": "eq",
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													"name": "iszero",
													"nodeType": "YulIdentifier",
													"src": "13442:6:5"
												},
												"nodeType": "YulFunctionCall",
												"src": "13442:43:5"
											},
											"nodeType": "YulIf",
											"src": "13439:2:5"
										}
									]
								},
								"name": "validator_revert_t_uint256",
								"nodeType": "YulFunctionDefinition",
								"parameters": [
									{
										"name": "value",
										"nodeType": "YulTypedName",
										"src": "13422:5:5",
										"type": ""
									}
								],
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					},
					"contents": "{\n\n    function abi_decode_t_address(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_address(value)\n    }\n\n    function abi_decode_t_uint256(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_address(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_addresst_uint256(headStart, dataEnd) -> value0, value1, value2 {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {\n        mstore(pos, cleanup_t_bool(value))\n    }\n\n    function abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value, pos) -> end {\n        let length := array_length_t_string_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length)\n        copy_memory_to_memory(add(value, 0x20), pos, length)\n        end := add(pos, round_up_to_mul_of_32(length))\n    }\n\n    function abi_encode_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 35)\n        store_literal_in_memory_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 34)\n        store_literal_in_memory_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 38)\n        store_literal_in_memory_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 40)\n        store_literal_in_memory_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 37)\n        store_literal_in_memory_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 36)\n        store_literal_in_memory_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 37)\n        store_literal_in_memory_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8(pos)\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_t_uint8_to_t_uint8_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint8(value))\n    }\n\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_bool_to_t_bool_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_string_memory_ptr__to_t_string_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value0,  tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_uint8__to_t_uint8__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint8_to_t_uint8_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function array_length_t_string_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function checked_add_t_uint256(x, y) -> sum {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        // overflow, if x > (maxValue - y)\n        if gt(x, sub(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, y)) { panic_error_0x11() }\n\n        sum := add(x, y)\n    }\n\n    function checked_sub_t_uint256(x, y) -> diff {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        if lt(x, y) { panic_error_0x11() }\n\n        diff := sub(x, y)\n    }\n\n    function cleanup_t_address(value) -> cleaned {\n        cleaned := cleanup_t_uint160(value)\n    }\n\n    function cleanup_t_bool(value) -> cleaned {\n        cleaned := iszero(iszero(value))\n    }\n\n    function cleanup_t_uint160(value) -> cleaned {\n        cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function cleanup_t_uint8(value) -> cleaned {\n        cleaned := and(value, 0xff)\n    }\n\n    function copy_memory_to_memory(src, dst, length) {\n        let i := 0\n        for { } lt(i, length) { i := add(i, 32) }\n        {\n            mstore(add(dst, i), mload(add(src, i)))\n        }\n        if gt(i, length)\n        {\n            // clear end\n            mstore(add(dst, length), 0)\n        }\n    }\n\n    function extract_byte_array_length(data) -> length {\n        length := div(data, 2)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) {\n            length := and(length, 0x7f)\n        }\n\n        if eq(outOfPlaceEncoding, lt(length, 32)) {\n            panic_error_0x22()\n        }\n    }\n\n    function panic_error_0x11() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x11)\n        revert(0, 0x24)\n    }\n\n    function panic_error_0x22() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x22)\n        revert(0, 0x24)\n    }\n\n    function round_up_to_mul_of_32(value) -> result {\n        result := and(add(value, 31), not(31))\n    }\n\n    function store_literal_in_memory_0557e210f7a69a685100a7e4e3d0a7024c546085cee28910fd17d0b081d9516f(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: transfer to the zero addr\")\n\n        mstore(add(memPtr, 32), \"ess\")\n\n    }\n\n    function store_literal_in_memory_24883cc5fe64ace9d0df1893501ecb93c77180f0ff69cca79affb3c316dc8029(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: approve to the zero addre\")\n\n        mstore(add(memPtr, 32), \"ss\")\n\n    }\n\n    function store_literal_in_memory_4107e8a8b9e94bf8ff83080ddec1c0bffe897ebc2241b89d44f66b3d274088b6(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: transfer amount exceeds b\")\n\n        mstore(add(memPtr, 32), \"alance\")\n\n    }\n\n    function store_literal_in_memory_974d1b4421da69cc60b481194f0dad36a5bb4e23da810da7a7fb30cdba178330(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: transfer amount exceeds a\")\n\n        mstore(add(memPtr, 32), \"llowance\")\n\n    }\n\n    function store_literal_in_memory_baecc556b46f4ed0f2b4cb599d60785ac8563dd2dc0a5bf12edea1c39e5e1fea(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: transfer from the zero ad\")\n\n        mstore(add(memPtr, 32), \"dress\")\n\n    }\n\n    function store_literal_in_memory_c953f4879035ed60e766b34720f656aab5c697b141d924c283124ecedb91c208(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: approve from the zero add\")\n\n        mstore(add(memPtr, 32), \"ress\")\n\n    }\n\n    function store_literal_in_memory_f8b476f7d28209d77d4a4ac1fe36b9f8259aa1bb6bddfa6e89de7e51615cf8a8(memPtr) {\n\n        mstore(add(memPtr, 0), \"ERC20: decreased allowance below\")\n\n        mstore(add(memPtr, 32), \" zero\")\n\n    }\n\n    function validator_revert_t_address(value) {\n        if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n}\n",
					"id": 5,
					"language": "Yul",
					"name": "#utility.yul"
				}
			],
			"immutableReferences": {},
			"linkReferences": {},
			"object": "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

## contracts...artifacts...GMT_metadata.json

      
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## contracts...artifacts...MyNFT.json

      
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## contracts...artifacts...NftExample.json

      
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## contracts...artifacts...PriceConsumer.json

      
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## contracts...artifacts...PriceConsumer_metadata.json

      
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## contracts...artifacts...PriceConsumerV3.json

      
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## contracts...artifacts...RainforestNFT.json

      
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## contracts...artifacts...RandomNumberConsumer.json

      
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## contracts...artifacts...SafeMath.json

      
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## contracts...artifacts...SafeMath_metadata.json

      
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## contracts...artifacts...Storag.json

      
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## contracts...artifacts...Storag_metadata.json

      
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## contracts...artifacts...Storage.json

      
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## contracts...artifacts...Storage_metadata.json

      
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## contracts...artifacts...TimeLocked.json

      
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## contracts...artifacts...TimeLocked_metadata.json

      
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## contracts...artifacts...Todo.json

      
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## contracts...artifacts...ZenToken.json

      
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## contracts...artifacts...ZenToken_metadata.json

      
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## contracts...artifacts...Zombie.json

      
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## contracts...artifacts...Zombie_metadata.json

      
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## contracts...artifacts...ZombieFactory.json

      
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## contracts...artifacts...ZombieFactory_metadata.json

      
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## contracts...artifacts...ZombieOrganization.json

      
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## contracts...artifacts...ZombieOrganization_metadata.json

      
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## contracts...gm_contracts...artifacts...Voting.json

      
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## contracts...gm_contracts...artifacts...Voting_metadata.json

      
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## contracts...gm_contracts...Voting.sol

      
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## contracts...newFile_test.sol

      
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## contracts...personal_projects...artifacts...DAO.json

      
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## contracts...personal_projects...artifacts...DAO_metadata.json

      
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## contracts...personal_projects...DAO.sol

      
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## contracts...simpleExamples...artifacts...OwnedToken.json

      
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## contracts...simpleExamples...artifacts...OwnedToken_metadata.json

      
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## contracts...simpleExamples...artifacts...TokenCreator.json

      
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## contracts...simpleExamples...artifacts...TokenCreator_metadata.json

      
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	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <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 () internal {
	address msgSender = _msgSender();
	_owner = msgSender;
	emit OwnershipTransferred(address(0), 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 {
	emit OwnershipTransferred(_owner, address(0));
	_owner = 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");
	emit OwnershipTransferred(_owner, newOwner);
	_owner = newOwner;
	}
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	import "./IERC165.sol";

	/**
	* @dev Implementation of the {IERC165} interface.
	*
	* Contracts may inherit from this and call {_registerInterface} to declare
	* their support of an interface.
	*/
	abstract contract ERC165 is IERC165 {
	/*
	* bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
	*/
	bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

	/**
	* @dev Mapping of interface ids to whether or not it's supported.
	*/
	mapping(bytes4 => bool) private _supportedInterfaces;

	constructor () internal {
	// Derived contracts need only register support for their own interfaces,
	// we register support for ERC165 itself here
	_registerInterface(_INTERFACE_ID_ERC165);
	}

	/**
	* @dev See {IERC165-supportsInterface}.
	*
	* Time complexity O(1), guaranteed to always use less than 30 000 gas.
	*/
	function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
	return _supportedInterfaces[interfaceId];
	}

	/**
	* @dev Registers the contract as an implementer of the interface defined by
	* `interfaceId`. Support of the actual ERC165 interface is automatic and
	* registering its interface id is not required.
	*
	* See {IERC165-supportsInterface}.
	*
	* Requirements:
	*
	* - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
	*/
	function _registerInterface(bytes4 interfaceId) internal virtual {
	require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
	_supportedInterfaces[interfaceId] = true;
	}
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	/**
	* @dev Interface of the ERC165 standard, as defined in the
	* https://eips.ethereum.org/EIPS/eip-165[EIP].
	*
	* Implementers can declare support of contract interfaces, which can then be
	* queried by others ({ERC165Checker}).
	*
	* For an implementation, see {ERC165}.
	*/
	interface IERC165 {
	/**
	* @dev Returns true if this contract implements the interface defined by
	* `interfaceId`. See the corresponding
	* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
	* to learn more about how these ids are created.
	*
	* This function call must use less than 30 000 gas.
	*/
	function supportsInterface(bytes4 interfaceId) external view returns (bool);
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	/**
	* @dev Wrappers over Solidity's arithmetic operations with added overflow
	* checks.
	*
	* Arithmetic operations in Solidity wrap on overflow. This can easily result
	* in bugs, because programmers usually assume that an overflow raises an
	* error, which is the standard behavior in high level programming languages.
	* `SafeMath` restores this intuition by reverting the transaction when an
	* operation overflows.
	*
	* Using this library instead of the unchecked operations eliminates an entire
	* class of bugs, so it's recommended to use it always.
	*/
	library SafeMath {
	/**
	* @dev Returns the addition of two unsigned integers, with an overflow flag.
	*
	* _Available since v3.4._
	*/
	function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
	uint256 c = a + b;
	if (c < a) return (false, 0);
	return (true, c);
	}

	/**
	* @dev Returns the substraction of two unsigned integers, with an overflow flag.
	*
	* _Available since v3.4._
	*/
	function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
	if (b > a) return (false, 0);
	return (true, a - b);
	}

	/**
	* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
	*
	* _Available since v3.4._
	*/
	function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
	// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
	// benefit is lost if 'b' is also tested.
	// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
	if (a == 0) return (true, 0);
	uint256 c = a * b;
	if (c / a != b) return (false, 0);
	return (true, c);
	}

	/**
	* @dev Returns the division of two unsigned integers, with a division by zero flag.
	*
	* _Available since v3.4._
	*/
	function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
	if (b == 0) return (false, 0);
	return (true, a / b);
	}

	/**
	* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
	*
	* _Available since v3.4._
	*/
	function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
	if (b == 0) return (false, 0);
	return (true, a % b);
	}

	/**
	* @dev Returns the addition of two unsigned integers, reverting on
	* overflow.
	*
	* Counterpart to Solidity's `+` operator.
	*
	* Requirements:
	*
	* - Addition cannot overflow.
	*/
	function add(uint256 a, uint256 b) internal pure returns (uint256) {
	uint256 c = a + b;
	require(c >= a, "SafeMath: addition overflow");
	return c;
	}

	/**
	* @dev Returns the subtraction of two unsigned integers, reverting on
	* overflow (when the result is negative).
	*
	* Counterpart to Solidity's `-` operator.
	*
	* Requirements:
	*
	* - Subtraction cannot overflow.
	*/
	function sub(uint256 a, uint256 b) internal pure returns (uint256) {
	require(b <= a, "SafeMath: subtraction overflow");
	return a - b;
	}

	/**
	* @dev Returns the multiplication of two unsigned integers, reverting on
	* overflow.
	*
	* Counterpart to Solidity's `*` operator.
	*
	* Requirements:
	*
	* - Multiplication cannot overflow.
	*/
	function mul(uint256 a, uint256 b) internal pure returns (uint256) {
	if (a == 0) return 0;
	uint256 c = a * b;
	require(c / a == b, "SafeMath: multiplication overflow");
	return c;
	}

	/**
	* @dev Returns the integer division of two unsigned integers, reverting on
	* division by zero. The result is rounded towards zero.
	*
	* Counterpart to Solidity's `/` operator. Note: this function uses a
	* `revert` opcode (which leaves remaining gas untouched) while Solidity
	* uses an invalid opcode to revert (consuming all remaining gas).
	*
	* Requirements:
	*
	* - The divisor cannot be zero.
	*/
	function div(uint256 a, uint256 b) internal pure returns (uint256) {
	require(b > 0, "SafeMath: division by zero");
	return a / b;
	}

	/**
	* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
	* reverting when dividing by zero.
	*
	* Counterpart to Solidity's `%` operator. This function uses a `revert`
	* opcode (which leaves remaining gas untouched) while Solidity uses an
	* invalid opcode to revert (consuming all remaining gas).
	*
	* Requirements:
	*
	* - The divisor cannot be zero.
	*/
	function mod(uint256 a, uint256 b) internal pure returns (uint256) {
	require(b > 0, "SafeMath: modulo by zero");
	return a % b;
	}

	/**
	* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
	* overflow (when the result is negative).
	*
	* CAUTION: This function is deprecated because it requires allocating memory for the error
	* message unnecessarily. For custom revert reasons use {trySub}.
	*
	* Counterpart to Solidity's `-` operator.
	*
	* Requirements:
	*
	* - Subtraction cannot overflow.
	*/
	function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
	require(b <= a, errorMessage);
	return a - b;
	}

	/**
	* @dev Returns the integer division of two unsigned integers, reverting with custom message on
	* division by zero. The result is rounded towards zero.
	*
	* CAUTION: This function is deprecated because it requires allocating memory for the error
	* message unnecessarily. For custom revert reasons use {tryDiv}.
	*
	* Counterpart to Solidity's `/` operator. Note: this function uses a
	* `revert` opcode (which leaves remaining gas untouched) while Solidity
	* uses an invalid opcode to revert (consuming all remaining gas).
	*
	* Requirements:
	*
	* - The divisor cannot be zero.
	*/
	function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
	require(b > 0, errorMessage);
	return a / b;
	}

	/**
	* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
	* reverting with custom message when dividing by zero.
	*
	* CAUTION: This function is deprecated because it requires allocating memory for the error
	* message unnecessarily. For custom revert reasons use {tryMod}.
	*
	* Counterpart to Solidity's `%` operator. This function uses a `revert`
	* opcode (which leaves remaining gas untouched) while Solidity uses an
	* invalid opcode to revert (consuming all remaining gas).
	*
	* Requirements:
	*
	* - The divisor cannot be zero.
	*/
	function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
	require(b > 0, errorMessage);
	return a % b;
	}
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	import "../../utils/Context.sol";
	import "./IERC721.sol";
	import "./IERC721Metadata.sol";
	import "./IERC721Enumerable.sol";
	import "./IERC721Receiver.sol";
	import "../../introspection/ERC165.sol";
	import "../../math/SafeMath.sol";
	import "../../utils/Address.sol";
	import "../../utils/EnumerableSet.sol";
	import "../../utils/EnumerableMap.sol";
	import "../../utils/Strings.sol";

	/**
	* @title ERC721 Non-Fungible Token Standard basic implementation
	* @dev see https://eips.ethereum.org/EIPS/eip-721
	*/
	contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
	using SafeMath for uint256;
	using Address for address;
	using EnumerableSet for EnumerableSet.UintSet;
	using EnumerableMap for EnumerableMap.UintToAddressMap;
	using Strings for uint256;

	// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
	// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
	bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

	// Mapping from holder address to their (enumerable) set of owned tokens
	mapping (address => EnumerableSet.UintSet) private _holderTokens;

	// Enumerable mapping from token ids to their owners
	EnumerableMap.UintToAddressMap private _tokenOwners;

	// 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;

	// Token name
	string private _name;

	// Token symbol
	string private _symbol;

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

	// Base URI
	string private _baseURI;

	/*
	* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
	* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
	* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
	* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
	* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
	* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
	* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
	* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
	* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
	*
	* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
	* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
	*/
	bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

	/*
	* bytes4(keccak256('name()')) == 0x06fdde03
	* bytes4(keccak256('symbol()')) == 0x95d89b41
	* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
	*
	* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
	*/
	bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

	/*
	* bytes4(keccak256('totalSupply()')) == 0x18160ddd
	* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
	* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
	*
	* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
	*/
	bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

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

	// register the supported interfaces to conform to ERC721 via ERC165
	_registerInterface(_INTERFACE_ID_ERC721);
	_registerInterface(_INTERFACE_ID_ERC721_METADATA);
	_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
	}

	/**
	* @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 _holderTokens[owner].length();
	}

	/**
	* @dev See {IERC721-ownerOf}.
	*/
	function ownerOf(uint256 tokenId) public view virtual override returns (address) {
	return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
	}

	/**
	* @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 _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));
	}
	// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
	return string(abi.encodePacked(base, tokenId.toString()));
	}

	/**
	* @dev Returns the base URI set via {_setBaseURI}. This will be
	* automatically added as a prefix in {tokenURI} to each token's URI, or
	* to the token ID if no specific URI is set for that token ID.
	*/
	function baseURI() public view virtual returns (string memory) {
	return _baseURI;
	}

	/**
	* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
	*/
	function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
	return _holderTokens[owner].at(index);
	}

	/**
	* @dev See {IERC721Enumerable-totalSupply}.
	*/
	function totalSupply() public view virtual override returns (uint256) {
	// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
	return _tokenOwners.length();
	}

	/**
	* @dev See {IERC721Enumerable-tokenByIndex}.
	*/
	function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
	(uint256 tokenId, ) = _tokenOwners.at(index);
	return tokenId;
	}

	/**
	* @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 \|\| ERC721.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 {
	require(operator != _msgSender(), "ERC721: approve to caller");

	_operatorApprovals[_msgSender()][operator] = approved;
	emit ApprovalForAll(_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 _tokenOwners.contains(tokenId);
	}

	/**
	* @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 \|\| ERC721.isApprovedForAll(owner, spender));
	}

	/**
	* @dev Safely mints `tokenId` and transfers it to `to`.
	*
	* Requirements:
	d*
	* - `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);

	_holderTokens[to].add(tokenId);

	_tokenOwners.set(tokenId, to);

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

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

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

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

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

	_holderTokens[owner].remove(tokenId);

	_tokenOwners.remove(tokenId);

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

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

	_holderTokens[from].remove(tokenId);
	_holderTokens[to].add(tokenId);

	_tokenOwners.set(tokenId, to);

	emit Transfer(from, to, 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), "ERC721Metadata: URI set of nonexistent token");
	_tokenURIs[tokenId] = _tokenURI;
	}

	/**
	* @dev Internal function to set the base URI for all token IDs. It is
	* automatically added as a prefix to the value returned in {tokenURI},
	* or to the token ID if {tokenURI} is empty.
	*/
	function _setBaseURI(string memory baseURI_) internal virtual {
	_baseURI = baseURI_;
	}

	/**
	* @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()) {
	return true;
	}
	bytes memory returndata = to.functionCall(abi.encodeWithSelector(
	IERC721Receiver(to).onERC721Received.selector,
	_msgSender(),
	from,
	tokenId,
	_data
	), "ERC721: transfer to non ERC721Receiver implementer");
	bytes4 retval = abi.decode(returndata, (bytes4));
	return (retval == _ERC721_RECEIVED);
	}

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

	/**
	* @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 { }
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.2 <0.8.0;

	import "../../introspection/IERC165.sol";

	/**
	* @dev Required interface of an ERC721 compliant contract.
	*/
	interface IERC721 is IERC165 {
	/**
	* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
	*/
	event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

	/**
	* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
	*/
	event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

	/**
	* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
	*/
	event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

	/**
	* @dev Returns the number of tokens in ``owner``'s account.
	*/
	function balanceOf(address owner) external view returns (uint256 balance);

	/**
	* @dev Returns the owner of the `tokenId` token.
	*
	* Requirements:
	*
	* - `tokenId` must exist.
	*/
	function ownerOf(uint256 tokenId) external view returns (address owner);

	/**
	* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
	* are aware of the ERC721 protocol to prevent tokens from being forever locked.
	*
	* Requirements:
	*
	* - `from` cannot be the zero address.
	* - `to` cannot be the zero address.
	* - `tokenId` token must exist and be owned by `from`.
	* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
	* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
	*
	* Emits a {Transfer} event.
	*/
	function safeTransferFrom(address from, address to, uint256 tokenId) external;

	/**
	* @dev Transfers `tokenId` token from `from` to `to`.
	*
	* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
	*
	* Requirements:
	*
	* - `from` cannot be the zero address.
	* - `to` cannot be the zero address.
	* - `tokenId` token must be owned by `from`.
	* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
	*
	* Emits a {Transfer} event.
	*/
	function transferFrom(address from, address to, uint256 tokenId) external;

	/**
	* @dev Gives permission to `to` to transfer `tokenId` token to another account.
	* The approval is cleared when the token is transferred.
	*
	* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
	*
	* Requirements:
	*
	* - The caller must own the token or be an approved operator.
	* - `tokenId` must exist.
	*
	* Emits an {Approval} event.
	*/
	function approve(address to, uint256 tokenId) external;

	/**
	* @dev Returns the account approved for `tokenId` token.
	*
	* Requirements:
	*
	* - `tokenId` must exist.
	*/
	function getApproved(uint256 tokenId) external view returns (address operator);

	/**
	* @dev Approve or remove `operator` as an operator for the caller.
	* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
	*
	* Requirements:
	*
	* - The `operator` cannot be the caller.
	*
	* Emits an {ApprovalForAll} event.
	*/
	function setApprovalForAll(address operator, bool _approved) external;

	/**
	* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
	*
	* See {setApprovalForAll}
	*/
	function isApprovedForAll(address owner, address operator) external view returns (bool);

	/**
	* @dev Safely transfers `tokenId` token from `from` to `to`.
	*
	* Requirements:
	*
	* - `from` cannot be the zero address.
	* - `to` cannot be the zero address.
	* - `tokenId` token must exist and be owned by `from`.
	* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
	* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
	*
	* Emits a {Transfer} event.
	*/
	function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

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

	pragma solidity >=0.6.2 <0.8.0;

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

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

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

	// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
	(bool success, ) = recipient.call{ value: amount }("");
	require(success, "Address: unable to send value, recipient may have reverted");
	}

	/**
	* @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");

	// solhint-disable-next-line avoid-low-level-calls
	(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");

	// solhint-disable-next-line avoid-low-level-calls
	(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");

	// solhint-disable-next-line avoid-low-level-calls
	(bool success, bytes memory returndata) = target.delegatecall(data);
	return _verifyCallResult(success, returndata, errorMessage);
	}

	function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
	if (success) {
	return returndata;
	} else {
	// Look for revert reason and bubble it up if present
	if (returndata.length > 0) {
	// The easiest way to bubble the revert reason is using memory via assembly

	// solhint-disable-next-line no-inline-assembly
	assembly {
	let returndata_size := mload(returndata)
	revert(add(32, returndata), returndata_size)
	}
	} else {
	revert(errorMessage);
	}
	}
	}
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	import "../math/SafeMath.sol";

	/**
	* @title Counters
	* @author Matt Condon (@shrugs)
	* @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number
	* of elements in a mapping, issuing ERC721 ids, or counting request ids.
	*
	* Include with `using Counters for Counters.Counter;`
	* Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath}
	* overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never
	* directly accessed.
	*/
	library Counters {
	using SafeMath for uint256;

	struct Counter {
	// This variable should never be directly accessed by users of the library: interactions must be restricted to
	// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
	// this feature: see https://github.com/ethereum/solidity/issues/4637
	uint256 _value; // default: 0
	}

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

	function increment(Counter storage counter) internal {
	// The {SafeMath} overflow check can be skipped here, see the comment at the top
	counter._value += 1;
	}

	function decrement(Counter storage counter) internal {
	counter._value = counter._value.sub(1);
	}
	}
	// SPDX-License-Identifier: MIT

	pragma solidity >=0.6.0 <0.8.0;

	/**
	* @dev Library for managing an enumerable variant of Solidity's
	* https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
	* type.
	*
	* Maps have the following properties:
	*
	* - Entries are added, removed, and checked for existence in constant time
	* (O(1)).
	* - Entries are enumerated in O(n). No guarantees are made on the ordering.
	*
	* ```
	* contract Example {
	* // Add the library methods
	* using EnumerableMap for EnumerableMap.UintToAddressMap;
	*
	* // Declare a set state variable
	* EnumerableMap.UintToAddressMap private myMap;
	* }
	* ```
	*
	* As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
	* supported.
	*/
	library EnumerableMap {
	// To implement this library for multiple types with as little code
	// repetition as possible, we write it in terms of a generic Map type with
	// bytes32 keys and values.
	// The Map implementation uses private functions, and user-facing
	// implementations (such as Uint256ToAddressMap) are just wrappers around
	// the underlying Map.
	// This means that we can only create new EnumerableMaps for types that fit
	// in bytes32.

	struct MapEntry {
	bytes32 _key;
	bytes32 _value;
	}

	struct Map {
	// Storage of map keys and values
	MapEntry[] _entries;

	// Position of the entry defined by a key in the `entries` array, plus 1
	// because index 0 means a key is not in the map.
	mapping (bytes32 => uint256) _indexes;
	}

	/**
	* @dev Adds a key-value pair to a map, or updates the value for an existing
	* key. O(1).
	*
	* Returns true if the key was added to the map, that is if it was not
	* already present.
	*/
	function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
	// We read and store the key's index to prevent multiple reads from the same storage slot
	uint256 keyIndex = map._indexes[key];

	if (keyIndex == 0) { // Equivalent to !contains(map, key)
	map._entries.push(MapEntry({ _key: key, _value: value }));
	// The entry is stored at length-1, but we add 1 to all indexes
	// and use 0 as a sentinel value
	map._indexes[key] = map._entries.length;
	return true;
	} else {
	map._entries[keyIndex - 1]._value = value;
	return false;
	}
	}

	/**
	* @dev Removes a key-value pair from a map. O(1).
	*
	* Returns true if the key was removed from the map, that is if it was present.
	*/
	function _remove(Map storage map, bytes32 key) private returns (bool) {
	// We read and store the key's index to prevent multiple reads from the same storage slot
	uint256 keyIndex = map._indexes[key];

	if (keyIndex != 0) { // Equivalent to contains(map, key)
	// To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
	// in the array, and then remove the last entry (sometimes called as 'swap and pop').
	// This modifies the order of the array, as noted in {at}.

	uint256 toDeleteIndex = keyIndex - 1;
	uint256 lastIndex = map._entries.length - 1;

	// When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
	// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

	MapEntry storage lastEntry = map._entries[lastIndex];

	// Move the last entry to the index where the entry to delete is
	map._entries[toDeleteIndex] = lastEntry;
	// Update the index for the moved entry
	map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based

	// Delete the slot where the moved entry was stored
	map._entries.pop();

	// Delete the index for the deleted slot
	delete map._indexes[key];

	return true;
	} else {
	return false;
	}
	}

	/**
	* @dev Returns true if the key is in the map. O(1).
	*/
	function _contains(Map storage map, bytes32 key) private view returns (bool) {
	return map._indexes[key] != 0;
	}

	/**
	* @dev Returns the number of key-value pairs in the map. O(1).
	*/
	function _length(Map storage map) private view returns (uint256) {
	return map._entries.length;
	}

	/**
	* @dev Returns the key-value pair stored at position `index` in the map. O(1).
	*
	* Note that there are no guarantees on the ordering of entries inside the
	* array, and it may change when more entries are added or removed.
	*
	* Requirements:
	*
	* - `index` must be strictly less than {length}.
	*/
	function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
	require(map._entries.length > index, "EnumerableMap: index out of bounds");

	MapEntry storage entry = map._entries[index];
	return (entry._key, entry._value);
	}

	/**
	* @dev Tries to returns the value associated with `key`. O(1).
	* Does not revert if `key` is not in the map.
	*/
	function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
	uint256 keyIndex = map._indexes[key];
	if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
	return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
	}

	/**
	* @dev Returns the value associated with `key`. O(1).
	*
	* Requirements:
	*
	* - `key` must be in the map.
	*/
	function _get(Map storage map, bytes32 key) private view returns (bytes32) {
	uint256 keyIndex = map._indexes[key];
	require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
	return map._entries[keyIndex - 1]._value; // All indexes are 1-based
	}

	/**
	* @dev Same as {_get}, with a custom error message when `key` is not in the map.
	*
	* CAUTION: This function is deprecated because it requires allocating memory for the error
	* message unnecessarily. For custom revert reasons use {_tryGet}.
	*/
	function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
	uint256 keyIndex = map._indexes[key];
	require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
	return map._entries[keyIndex - 1]._value; // All indexes are 1-based
	}

	// UintToAddressMap

	struct UintToAddressMap {
	Map _inner;
	}

	/**
	* @dev Adds a key-value pair to a map, or updates the value for an existing
	* key. O(1).
	*
	* Returns true if the key was added to the map, that is if it was not
	* already present.
	*/
	function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
	return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
	}

	/**
	* @dev Removes a value from a set. O(1).
	*
	* Returns true if the key was removed from the map, that is if it was present.
	*/
	function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
	return _remove(map._inner, bytes32(key));
	}

	/**
	* @dev Returns true if the key is in the map. O(1).
	*/
	function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
	return _contains(map._inner, bytes32(key));
	}

	/**
	* @dev Returns the number of elements in the map. O(1).
	*/
	function length(UintToAddressMap storage map) internal view returns (uint256) {
	return _length(map._inner);
	}

	/**
	* @dev Returns the element stored at position `index` in the set. O(1).
	* Note that there are no guarantees on the ordering of values inside the
	* array, and it may change when more values are added or removed.
	*
	* Requirements:
	*
	* - `index` must be strictly less than {length}.
	*/
	function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
	(bytes32 key, bytes32 value) = _at(map._inner, index);
	return (uint256(key), address(uint160(uint256(value))));
	}

	/**
	* @dev Tries to returns the value associated with `key`. O(1).
	* Does not revert if `key` is not in the map.
	*
	* _Available since v3.4._
	*/
	function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
	(bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
	return (success, address(uint160(uint256(value))));
	}

	/**
	* @dev Returns the value associated with `key`. O(1).
	*
	* Requirements:
	*
	* - `key` must be in the map.
	*/
	function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
	return address(uint160(uint256(_get(map._inner, bytes32(key)))));
	}

	/**
	* @dev Same as {get}, with a custom error message when `key` is not in the map.
	*
	* CAUTION: This function is deprecated because it requires allocating memory for the error
	* message unnecessarily. For custom revert reasons use {tryGet}.
	*/
	function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
	return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
	}
	}