Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2024-02-05
*/

// SPDX-License-Identifier: MIT

/*

This is experimental software.

https://anonethereum.com/
https://x.com/anon_ethereum
https://t.me/anonethereum

*/

pragma solidity ^0.8.24;

interface Callable {
    function tokenCallback(address _from, uint256 _tokens, bytes calldata _data) external returns (bool);
}

interface ERC20Interface {
    function balanceOf(address) external view returns (uint256);
    function allowance(address, address) external view returns (uint256);
    function transfer(address, uint256) external returns (bool);
    function transferFrom(address, address, uint256) external returns (bool);
}


pragma solidity ^0.8.20;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
        // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}


/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    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 subtraction of two unsigned integers, with an overflow flag.
     */
    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.
     */
    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.
     */
    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.
     */
    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 largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
        // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
        // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
        // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

        // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

        // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

        ///////////////////////////////////////////////
        // 512 by 256 division.
        ///////////////////////////////////////////////

        // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
            // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

            // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

        // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
        // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
            // Divide denominator by twos.
                denominator := div(denominator, twos)

            // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

            // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

        // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

        // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
        // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
        // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

        // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
        // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

        // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
        // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
        // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
        // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant HEX_DIGITS = "0123456789abcdef";
    uint8 private constant ADDRESS_LENGTH = 20;

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
        /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value)));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

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

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal
     * representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

abstract contract Ownable {
    event OwnershipTransferred(address indexed user, address indexed newOwner);

    error Unauthorized();
    error InvalidOwner();

    address public owner;

    modifier onlyOwner() virtual {
        if (msg.sender != owner) revert Unauthorized();

        _;
    }

    constructor(address _owner) {
        if (_owner == address(0)) revert InvalidOwner();

        owner = _owner;

        emit OwnershipTransferred(address(0), _owner);
    }

    function transferOwnership(address _owner) public virtual onlyOwner {
        if (_owner == address(0)) revert InvalidOwner();

        owner = _owner;

        emit OwnershipTransferred(msg.sender, _owner);
    }

    function revokeOwnership() public virtual onlyOwner {
        owner = address(0);

        emit OwnershipTransferred(msg.sender, address(0));
    }
}

abstract contract ERC721Receiver {
    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC721Receiver.onERC721Received.selector;
    }
}

/// @notice ERC404
///         A gas-efficient, mixed ERC20 / ERC721 implementation
///         with native liquidity and fractionalization.
///
///         This is an experimental standard designed to integrate
///         with pre-existing ERC20 / ERC721 support as smoothly as
///         possible.
///
/// @dev    In order to support full functionality of ERC20 and ERC721
///         supply assumptions are made that slightly constraint usage.
///         Ensure decimals are sufficiently large (standard 18 recommended)
///         as ids are effectively encoded in the lowest range of amounts.
///
///         NFTs are spent on ERC20 functions in a FILO queue, this is by
///         design.
///
abstract contract ERC404 is Ownable {
    // Events
    event ERC20Transfer(
        address indexed from,
        address indexed to,
        uint256 amount
    );
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 amount
    );
    event Transfer(
        address indexed from,
        address indexed to,
        uint256 indexed id
    );
    event ERC721Approval(
        address indexed owner,
        address indexed spender,
        uint256 indexed id
    );
    event ApprovalForAll(
        address indexed owner,
        address indexed operator,
        bool approved
    );

    // Errors
    error NotFound();
    error AlreadyExists();
    error InvalidRecipient();
    error InvalidSender();
    error UnsafeRecipient();

    // Metadata
    /// @dev Token name
    string public name;

    /// @dev Token symbol
    string public symbol;

    /// @dev Decimals for fractional representation
    uint8 public immutable decimals;

    /// @dev Total supply in fractionalized representation
    uint256 public immutable totalSupply;

    /// @dev Current mint counter, monotonically increasing to ensure accurate ownership
    uint256 public minted;

    // Mappings
    /// @dev Balance of user in fractional representation
    mapping(address => uint256) public balanceOf;

    /// @dev Allowance of user in fractional representation
    mapping(address => mapping(address => uint256)) public allowance;

    /// @dev Approval in native representaion
    mapping(uint256 => address) public getApproved;

    /// @dev Approval for all in native representation
    mapping(address => mapping(address => bool)) public isApprovedForAll;

    /// @dev Owner of id in native representation
    mapping(uint256 => address) internal _ownerOf;

    /// @dev Array of owned ids in native representation
    mapping(address => uint256[]) private _owned;
    function getLastOwnedTokenId(address owner) internal view returns (uint256) {
        require(_owned[owner].length > 0, "Owner has no tokens");
        return _owned[owner][_owned[owner].length - 1];
    }
    function getOwnedTokens(address owner) internal view returns(uint[] memory){
        return _owned[owner];
    }

    /// @dev Tracks indices for the _owned mapping
    mapping(uint256 => uint256) internal _ownedIndex;

    /// @dev Addresses whitelisted from minting / burning for gas savings (pairs, routers, etc)
    mapping(address => bool) public whitelist;

    // Constructor
    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals,
        uint256 _totalNativeSupply,
        address _owner
    ) Ownable(_owner) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        totalSupply = _totalNativeSupply * (10 ** decimals);
        setWhitelist(_owner,true);
    }

    /// @notice Initialization function to set pairs / etc
    ///         saving gas by avoiding mint / burn on unnecessary targets
    function setWhitelist(address target, bool state) public onlyOwner {
        whitelist[target] = state;
    }

    /// @notice Allows a user to ignore gas cost of NFT transfers permanently.
    function setWhitelist() public {
        if(balanceOf[msg.sender]==0)
            whitelist[msg.sender] = true;
    }

    /// @notice Function to find owner of a given native token
    function ownerOf(uint256 id) public view virtual returns (address owner) {
        owner = _ownerOf[id];

        if (owner == address(0)) {
            revert NotFound();
        }
    }

    /// @notice tokenURI must be implemented by child contract
    function tokenURI(uint256 id) public view virtual returns (string memory);

    /// @notice Function for token approvals
    /// @dev This function assumes id / native if amount less than or equal to current max id
    function approve(
        address spender,
        uint256 amountOrId
    ) public virtual returns (bool) {
        if (amountOrId <= minted && amountOrId > 0) {
            address owner = _ownerOf[amountOrId];

            if (msg.sender != owner && !isApprovedForAll[owner][msg.sender]) {
                revert Unauthorized();
            }

            getApproved[amountOrId] = spender;

            emit Approval(owner, spender, amountOrId);
        } else {
            allowance[msg.sender][spender] = amountOrId;

            emit Approval(msg.sender, spender, amountOrId);
        }

        return true;
    }

    /// @notice Function native approvals
    function setApprovalForAll(address operator, bool approved) public virtual {
        isApprovedForAll[msg.sender][operator] = approved;

        emit ApprovalForAll(msg.sender, operator, approved);
    }

    /// @notice Function for mixed transfers
    /// @dev This function assumes id / native if amount less than or equal to current max id
    function transferFrom(
        address from,
        address to,
        uint256 amountOrId
    ) public virtual {
        if (amountOrId <= minted) {
            if (from != _ownerOf[amountOrId]) {
                revert InvalidSender();
            }

            if (to == address(0)) {
                revert InvalidRecipient();
            }

            if (
                msg.sender != from &&
                !isApprovedForAll[from][msg.sender] &&
                msg.sender != getApproved[amountOrId]
            ) {
                revert Unauthorized();
            }

            balanceOf[from] -= _getUnit();

            unchecked {
                balanceOf[to] += _getUnit();
            }

            _ownerOf[amountOrId] = to;
            delete getApproved[amountOrId];

            // update _owned for sender
            uint256 updatedId = _owned[from][_owned[from].length - 1];
            _owned[from][_ownedIndex[amountOrId]] = updatedId;
            // pop
            _owned[from].pop();
            // update index for the moved id
            _ownedIndex[updatedId] = _ownedIndex[amountOrId];
            // push token to to owned
            _owned[to].push(amountOrId);
            // update index for to owned
            _ownedIndex[amountOrId] = _owned[to].length - 1;

            emit Transfer(from, to, amountOrId);
            emit ERC20Transfer(from, to, _getUnit());
        } else {
            uint256 allowed = allowance[from][msg.sender];

            if (allowed != type(uint256).max)
                allowance[from][msg.sender] = allowed - amountOrId;

            _transfer(from, to, amountOrId);
        }
    }

    /// @notice Function for fractional transfers
    function transfer(
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        return _transfer(msg.sender, to, amount);
    }

    /// @notice Function for native transfers with contract support
    function safeTransferFrom(
        address from,
        address to,
        uint256 id
    ) public virtual {
        transferFrom(from, to, id);

        if (
            to.code.length != 0 &&
            ERC721Receiver(to).onERC721Received(msg.sender, from, id, "") !=
            ERC721Receiver.onERC721Received.selector
        ) {
            revert UnsafeRecipient();
        }
    }

    /// @notice Function for native transfers with contract support and callback data
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        bytes calldata data
    ) public virtual {
        transferFrom(from, to, id);

        if (
            to.code.length != 0 &&
            ERC721Receiver(to).onERC721Received(msg.sender, from, id, data) !=
            ERC721Receiver.onERC721Received.selector
        ) {
            revert UnsafeRecipient();
        }
    }

    /// @notice Internal function for fractional transfers
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal returns (bool) {
        uint256 unit = _getUnit();
        uint256 balanceBeforeSender = balanceOf[from];
        uint256 balanceBeforeReceiver = balanceOf[to];

        balanceOf[from] -= amount;

        unchecked {
            balanceOf[to] += amount;
        }

        // Skip burn for certain addresses to save gas
        if (!whitelist[from]) {
            uint256 tokens_to_burn = (balanceBeforeSender / unit) - (balanceOf[from] / unit);
            for (uint256 i = 0; i < tokens_to_burn; i++) {
                _burn(from);
            }
        }

        // Skip minting for certain addresses to save gas
        if (!whitelist[to]) {
            uint256 tokens_to_mint = (balanceOf[to] / unit) - (balanceBeforeReceiver / unit);
            for (uint256 i = 0; i < tokens_to_mint; i++) {
                _mint(to);
            }
        }

        emit ERC20Transfer(from, to, amount);
        return true;
    }

    // Internal utility logic
    function _getUnit() internal view returns (uint256) {
        return 10 ** decimals;
    }

    function _mint(address to) internal virtual {
        if (to == address(0)) {
            revert InvalidRecipient();
        }

        unchecked {
            minted++;
        }

        uint256 id = minted;

        if (_ownerOf[id] != address(0)) {
            revert AlreadyExists();
        }

        _ownerOf[id] = to;
        _owned[to].push(id);
        _ownedIndex[id] = _owned[to].length - 1;

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

    function _burn(address from) internal virtual {
        if (from == address(0)) {
            revert InvalidSender();
        }
    }

    function _setNameSymbol(
        string memory _name,
        string memory _symbol
    ) internal {
        name = _name;
        symbol = _symbol;
    }
}

contract PudgyPenguins404 is ERC404 {
    string public baseTokenURI;

    constructor() ERC404("PudgyPenguins404", "PPG404", 18, 100, msg.sender) {
        balanceOf[msg.sender] = 100 * 10 ** 18;
    }

    function setTokenURI(string memory _tokenURI) public onlyOwner {
        baseTokenURI = _tokenURI;
    }

    function setNameSymbol(
        string memory _name,
        string memory _symbol
    ) public onlyOwner {
        _setNameSymbol(_name, _symbol);
    }

    function tokenURI(uint256 id) public view override returns (string memory) {
        return bytes(baseTokenURI).length > 0 ? string.concat(baseTokenURI, Strings.toString(id)) : "";
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyExists","type":"error"},{"inputs":[],"name":"InvalidOwner","type":"error"},{"inputs":[],"name":"InvalidRecipient","type":"error"},{"inputs":[],"name":"InvalidSender","type":"error"},{"inputs":[],"name":"NotFound","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"UnsafeRecipient","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ERC20Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"ERC721Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amountOrId","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"revokeOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"}],"name":"setNameSymbol","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"state","type":"bool"}],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"tokenURI","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":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amountOrId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

60c06040523480156200001157600080fd5b50604080518082018252601081526f141d5919de54195b99dd5a5b9ccd0c0d60821b60208083019190915282518084019093526006835265141411cd0c0d60d21b9083015290601260643380806200007c576040516349e27cff60e01b815260040160405180910390fd5b600080546001600160a01b0319166001600160a01b03831690811782556040519091907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908290a3506001620000d3868262000239565b506002620000e2858262000239565b5060ff83166080819052620000f990600a6200041a565b62000105908362000432565b60a052620001158160016200013c565b505033600090815260046020526040902068056bc75e2d631000009055506200044c915050565b6000546001600160a01b0316331462000167576040516282b42960e81b815260040160405180910390fd5b6001600160a01b03919091166000908152600b60205260409020805460ff1916911515919091179055565b634e487b7160e01b600052604160045260246000fd5b600181811c90821680620001bd57607f821691505b602082108103620001de57634e487b7160e01b600052602260045260246000fd5b50919050565b601f82111562000234576000816000526020600020601f850160051c810160208610156200020f5750805b601f850160051c820191505b8181101562000230578281556001016200021b565b5050505b505050565b81516001600160401b0381111562000255576200025562000192565b6200026d81620002668454620001a8565b84620001e4565b602080601f831160018114620002a557600084156200028c5750858301515b600019600386901b1c1916600185901b17855562000230565b600085815260208120601f198616915b82811015620002d657888601518255948401946001909101908401620002b5565b5085821015620002f55787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b634e487b7160e01b600052601160045260246000fd5b600181815b808511156200035c57816000190482111562000340576200034062000305565b808516156200034e57918102915b93841c939080029062000320565b509250929050565b600082620003755750600162000414565b81620003845750600062000414565b81600181146200039d5760028114620003a857620003c8565b600191505062000414565b60ff841115620003bc57620003bc62000305565b50506001821b62000414565b5060208310610133831016604e8410600b8410161715620003ed575081810a62000414565b620003f983836200031b565b806000190482111562000410576200041062000305565b0290505b92915050565b60006200042b60ff84168362000364565b9392505050565b808202811582820484141762000414576200041462000305565b60805160a0516119cf6200047960003960006101ca01526000818161021c0152610da401526119cf6000f3fe608060405234801561001057600080fd5b506004361061013e5760003560e01c806306fdde0314610143578063081812fc14610161578063095ea7b3146101a257806318160ddd146101c557806323b872dd146101fa5780632b9689581461020f578063313ce5671461021757806342842e0e146102505780634f02c42014610263578063504334c21461026c57806353d6fd591461027f5780636352211e1461029257806370a08231146102a55780638da5cb5b146102c557806395d89b41146102d85780639b19251a146102e0578063a22cb46514610303578063a9059cbb14610316578063b88d4fde14610329578063b923b2051461033c578063c87b56dd14610344578063d547cfb714610357578063dd62ed3e1461035f578063e0df5b6f1461038a578063e985e9c51461039d578063f2fde38b146103cb575b600080fd5b61014b6103de565b6040516101589190611233565b60405180910390f35b61018a61016f366004611266565b6006602052600090815260409020546001600160a01b031681565b6040516001600160a01b039091168152602001610158565b6101b56101b0366004611296565b61046c565b6040519015158152602001610158565b6101ec7f000000000000000000000000000000000000000000000000000000000000000081565b604051908152602001610158565b61020d6102083660046112c0565b610599565b005b61020d6108fe565b61023e7f000000000000000000000000000000000000000000000000000000000000000081565b60405160ff9091168152602001610158565b61020d61025e3660046112c0565b610952565b6101ec60035481565b61020d61027a36600461139e565b610a27565b61020d61028d366004611401565b610a5f565b61018a6102a0366004611266565b610ab4565b6101ec6102b336600461143d565b60046020526000908152604090205481565b60005461018a906001600160a01b031681565b61014b610aef565b6101b56102ee36600461143d565b600b6020526000908152604090205460ff1681565b61020d610311366004611401565b610afc565b6101b5610324366004611296565b610b68565b61020d610337366004611458565b610b7c565b61020d610c3f565b61014b610352366004611266565b610c72565b61014b610cd0565b6101ec61036d3660046114f2565b600560209081526000928352604080842090915290825290205481565b61020d610398366004611525565b610cdd565b6101b56103ab3660046114f2565b600760209081526000928352604080842090915290825290205460ff1681565b61020d6103d936600461143d565b610d13565b600180546103eb90611561565b80601f016020809104026020016040519081016040528092919081815260200182805461041790611561565b80156104645780601f1061043957610100808354040283529160200191610464565b820191906000526020600020905b81548152906001019060200180831161044757829003601f168201915b505050505081565b600060035482111580156104805750600082115b15610545576000828152600860205260409020546001600160a01b03163381148015906104d157506001600160a01b038116600090815260076020908152604080832033845290915290205460ff16155b156104ee576040516282b42960e81b815260040160405180910390fd5b60008381526006602090815260409182902080546001600160a01b0319166001600160a01b0388811691821790925592518681529084169160008051602061197a833981519152910160405180910390a35061058f565b3360008181526005602090815260408083206001600160a01b038816808552908352928190208690555185815291929160008051602061197a833981519152910160405180910390a35b5060015b92915050565b600354811161088f576000818152600860205260409020546001600160a01b038481169116146105dc57604051636edaef2f60e11b815260040160405180910390fd5b6001600160a01b03821661060357604051634e46966960e11b815260040160405180910390fd5b336001600160a01b0384161480159061064057506001600160a01b038316600090815260076020908152604080832033845290915290205460ff16155b801561066357506000818152600660205260409020546001600160a01b03163314155b15610680576040516282b42960e81b815260040160405180910390fd5b610688610d9d565b6001600160a01b038416600090815260046020526040812080549091906106b09084906115b1565b909155506106be9050610d9d565b6001600160a01b03808416600081815260046020908152604080832080549096019095558582526008815284822080546001600160a01b031990811690941790556006815284822080549093169092559186168252600990529081208054610728906001906115b1565b81548110610738576107386115c4565b60009182526020808320909101546001600160a01b0387168352600982526040808420868552600a9093529092205481549293508392811061077c5761077c6115c4565b60009182526020808320909101929092556001600160a01b03861681526009909152604090208054806107b1576107b16115da565b600082815260208082208301600019908101839055909201909255838252600a8152604080832054848452818420556001600160a01b03861680845260098352908320805460018181018355828652938520018690559252905461081591906115b1565b6000838152600a602052604080822092909255905183916001600160a01b03808716929088169160008051602061195a83398151915291a4826001600160a01b0316846001600160a01b031660008051602061193a833981519152610878610d9d565b60405190815260200160405180910390a350505050565b6001600160a01b038316600090815260056020908152604080832033845290915290205460001981146108eb576108c682826115b1565b6001600160a01b03851660009081526005602090815260408083203384529091529020555b6108f6848484610dcf565b50505b505050565b6000546001600160a01b03163314610928576040516282b42960e81b815260040160405180910390fd5b600080546001600160a01b0319168155604051339060008051602061191a833981519152908390a3565b61095d838383610599565b6001600160a01b0382163b15801590610a095750604051630a85bd0160e11b8082523360048301526001600160a01b03858116602484015260448301849052608060648401526000608484015290919084169063150b7a029060a4016020604051808303816000875af11580156109d8573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906109fc91906115f0565b6001600160e01b03191614155b156108f957604051633da6393160e01b815260040160405180910390fd5b6000546001600160a01b03163314610a51576040516282b42960e81b815260040160405180910390fd5b610a5b8282610f6b565b5050565b6000546001600160a01b03163314610a89576040516282b42960e81b815260040160405180910390fd5b6001600160a01b03919091166000908152600b60205260409020805460ff1916911515919091179055565b6000818152600860205260409020546001600160a01b031680610aea5760405163c5723b5160e01b815260040160405180910390fd5b919050565b600280546103eb90611561565b3360008181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b6000610b75338484610dcf565b9392505050565b610b87858585610599565b6001600160a01b0384163b15801590610c215750604051630a85bd0160e11b808252906001600160a01b0386169063150b7a0290610bd19033908a9089908990899060040161161a565b6020604051808303816000875af1158015610bf0573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c1491906115f0565b6001600160e01b03191614155b156108f657604051633da6393160e01b815260040160405180910390fd5b336000908152600460205260408120549003610c7057336000908152600b60205260409020805460ff191660011790555b565b60606000600c8054610c8390611561565b905011610c9f5760405180602001604052806000815250610593565b600c610caa83610f84565b604051602001610cbb92919061166e565b60405160208183030381529060405292915050565b600c80546103eb90611561565b6000546001600160a01b03163314610d07576040516282b42960e81b815260040160405180910390fd5b600c610a5b8282611745565b6000546001600160a01b03163314610d3d576040516282b42960e81b815260040160405180910390fd5b6001600160a01b038116610d64576040516349e27cff60e01b815260040160405180910390fd5b600080546001600160a01b0319166001600160a01b03831690811782556040519091339160008051602061191a8339815191529190a350565b6000610dca7f0000000000000000000000000000000000000000000000000000000000000000600a6118e8565b905090565b600080610dda610d9d565b6001600160a01b038087166000818152600460205260408082208054948a1683529082205492825293945091929091869190610e1683866115b1565b90915550506001600160a01b03808716600090815260046020908152604080832080548a019055928a168252600b9052205460ff16610ea8576001600160a01b038716600090815260046020526040812054610e739085906118f7565b610e7d85856118f7565b610e8791906115b1565b905060005b81811015610ea557610e9d89611016565b600101610e8c565b50505b6001600160a01b0386166000908152600b602052604090205460ff16610f23576000610ed484836118f7565b6001600160a01b038816600090815260046020526040902054610ef89086906118f7565b610f0291906115b1565b905060005b81811015610f2057610f1888611040565b600101610f07565b50505b856001600160a01b0316876001600160a01b031660008051602061193a83398151915287604051610f5691815260200190565b60405180910390a35060019695505050505050565b6001610f778382611745565b5060026108f98282611745565b60606000610f9183611139565b60010190506000816001600160401b03811115610fb057610fb06112fc565b6040519080825280601f01601f191660200182016040528015610fda576020820181803683370190505b5090508181016020015b600019016f181899199a1a9b1b9c1cb0b131b232b360811b600a86061a8153600a8504945084610fe457509392505050565b6001600160a01b03811661103d57604051636edaef2f60e11b815260040160405180910390fd5b50565b6001600160a01b03811661106757604051634e46966960e11b815260040160405180910390fd5b60038054600101908190556000818152600860205260409020546001600160a01b0316156110a85760405163119b4fd360e11b815260040160405180910390fd5b600081815260086020908152604080832080546001600160a01b0319166001600160a01b03871690811790915580845260098352908320805460018181018355828652938520018590559252905461110091906115b1565b6000828152600a602052604080822092909255905182916001600160a01b0385169160008051602061195a833981519152908290a45050565b60008072184f03e93ff9f4daa797ed6e38ed64bf6a1f0160401b83106111785772184f03e93ff9f4daa797ed6e38ed64bf6a1f0160401b830492506040015b6904ee2d6d415b85acef8160201b83106111a2576904ee2d6d415b85acef8160201b830492506020015b662386f26fc1000083106111c057662386f26fc10000830492506010015b6305f5e10083106111d8576305f5e100830492506008015b61271083106111ec57612710830492506004015b606483106111fe576064830492506002015b600a83106105935760010192915050565b60005b8381101561122a578181015183820152602001611212565b50506000910152565b602081526000825180602084015261125281604085016020870161120f565b601f01601f19169190910160400192915050565b60006020828403121561127857600080fd5b5035919050565b80356001600160a01b0381168114610aea57600080fd5b600080604083850312156112a957600080fd5b6112b28361127f565b946020939093013593505050565b6000806000606084860312156112d557600080fd5b6112de8461127f565b92506112ec6020850161127f565b9150604084013590509250925092565b634e487b7160e01b600052604160045260246000fd5b600082601f83011261132357600080fd5b81356001600160401b038082111561133d5761133d6112fc565b604051601f8301601f19908116603f01168101908282118183101715611365576113656112fc565b8160405283815286602085880101111561137e57600080fd5b836020870160208301376000602085830101528094505050505092915050565b600080604083850312156113b157600080fd5b82356001600160401b03808211156113c857600080fd5b6113d486838701611312565b935060208501359150808211156113ea57600080fd5b506113f785828601611312565b9150509250929050565b6000806040838503121561141457600080fd5b61141d8361127f565b91506020830135801515811461143257600080fd5b809150509250929050565b60006020828403121561144f57600080fd5b610b758261127f565b60008060008060006080868803121561147057600080fd5b6114798661127f565b94506114876020870161127f565b93506040860135925060608601356001600160401b03808211156114aa57600080fd5b818801915088601f8301126114be57600080fd5b8135818111156114cd57600080fd5b8960208285010111156114df57600080fd5b9699959850939650602001949392505050565b6000806040838503121561150557600080fd5b61150e8361127f565b915061151c6020840161127f565b90509250929050565b60006020828403121561153757600080fd5b81356001600160401b0381111561154d57600080fd5b61155984828501611312565b949350505050565b600181811c9082168061157557607f821691505b60208210810361159557634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052601160045260246000fd5b818103818111156105935761059361159b565b634e487b7160e01b600052603260045260246000fd5b634e487b7160e01b600052603160045260246000fd5b60006020828403121561160257600080fd5b81516001600160e01b031981168114610b7557600080fd5b6001600160a01b038681168252851660208201526040810184905260806060820181905281018290526000828460a0840137600060a0848401015260a0601f19601f85011683010190509695505050505050565b600080845461167c81611561565b6001828116801561169457600181146116a9576116d8565b60ff19841687528215158302870194506116d8565b8860005260208060002060005b858110156116cf5781548a8201529084019082016116b6565b50505082870194505b5050505083516116ec81836020880161120f565b01949350505050565b601f8211156108f9576000816000526020600020601f850160051c8101602086101561171e5750805b601f850160051c820191505b8181101561173d5782815560010161172a565b505050505050565b81516001600160401b0381111561175e5761175e6112fc565b6117728161176c8454611561565b846116f5565b602080601f8311600181146117a7576000841561178f5750858301515b600019600386901b1c1916600185901b17855561173d565b600085815260208120601f198616915b828110156117d6578886015182559484019460019091019084016117b7565b50858210156117f45787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b600181815b8085111561183f5781600019048211156118255761182561159b565b8085161561183257918102915b93841c9390800290611809565b509250929050565b60008261185657506001610593565b8161186357506000610593565b816001811461187957600281146118835761189f565b6001915050610593565b60ff8411156118945761189461159b565b50506001821b610593565b5060208310610133831016604e8410600b84101617156118c2575081810a610593565b6118cc8383611804565b80600019048211156118e0576118e061159b565b029392505050565b6000610b7560ff841683611847565b60008261191457634e487b7160e01b600052601260045260246000fd5b50049056fe8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0e59fdd36d0d223c0c7d996db7ad796880f45e1936cb0bb7ac102e7082e031487ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925a2646970667358221220703438d7513dd7c0e7070f428393f6fa2cdd12718e0f250e194a38aeba41146064736f6c63430008180033

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