ETH Price: $3,766.08 (+21.71%)
Gas: 13 Gwei

Contract

0xC7af99Fe5513eB6710e6D5f44F9989dA40F27F26
 
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0x42160714266cea3b4a32978c640eff52ffe4cc4e7fb5b327b9de631baf32203bCancel Auction(pending)2024-05-21 11:27:502 mins ago1716290870IN
CryptoKitties: Siring Auction
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0xfdacee2c98c6425155f78e1c3ae31561fcd5a01a51ad2d3bf6c560e0fe71ce87Cancel Auction(pending)2024-05-21 10:58:1731 mins ago1716289097IN
CryptoKitties: Siring Auction
0 ETH(Pending)(Pending)
0xb934e82acff678beb110dc255081c6ef0603947f4da72a579d054cdcfb7872a6Cancel Auction(pending)2024-05-20 3:37:5231 hrs ago1716176272IN
CryptoKitties: Siring Auction
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0x1721f42cbd59423e5bf13a0a313b72ad718009973f8cb620c152685770ca7945Cancel Auction(pending)2024-05-19 20:32:4738 hrs ago1716150767IN
CryptoKitties: Siring Auction
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Cancel Auction198730692024-05-15 4:43:596 days ago1715748239IN
CryptoKitties: Siring Auction
0 ETH0.000373686.27316142
Cancel Auction198639242024-05-13 21:57:117 days ago1715637431IN
CryptoKitties: Siring Auction
0 ETH0.000421787.08060428
Cancel Auction198459902024-05-11 9:47:1110 days ago1715420831IN
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0 ETH0.000316415.31170415
Cancel Auction198457942024-05-11 9:07:4710 days ago1715418467IN
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0 ETH0.000244464.10397365
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
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CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
Cancel Auction198314072024-05-09 8:51:4712 days ago1715244707IN
CryptoKitties: Siring Auction
0 ETH0.000291174.8880749
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CryptoKitties: Siring Auction
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170128782023-04-09 19:44:59407 days ago1681069499
CryptoKitties: Siring Auction
0.0182875 ETH
170128782023-04-09 19:44:59407 days ago1681069499
CryptoKitties: Siring Auction
0.019 ETH
168770892023-03-21 16:05:35426 days ago1679414735
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0.0182875 ETH
168770892023-03-21 16:05:35426 days ago1679414735
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168654382023-03-20 0:52:35428 days ago1679273555
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0.0182875 ETH
168654382023-03-20 0:52:35428 days ago1679273555
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0.019 ETH
167133352023-02-26 15:35:47449 days ago1677425747
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0.0182875 ETH
167133352023-02-26 15:35:47449 days ago1677425747
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0.019 ETH
167093822023-02-26 2:16:11450 days ago1677377771
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0.0182875 ETH
167093822023-02-26 2:16:11450 days ago1677377771
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0.019 ETH
166933882023-02-23 20:11:35452 days ago1677183095
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0.0182875 ETH
166933882023-02-23 20:11:35452 days ago1677183095
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0.019 ETH
166923152023-02-23 16:34:35452 days ago1677170075
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0.0182875 ETH
166923152023-02-23 16:34:35452 days ago1677170075
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166447082023-02-16 23:55:11459 days ago1676591711
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0.00000828 ETH
166447082023-02-16 23:55:11459 days ago1676591711
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0.04669595 ETH
166447082023-02-16 23:55:11459 days ago1676591711
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0.04852356 ETH
164753102023-01-24 7:54:35483 days ago1674546875
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0.0009625 ETH
164753102023-01-24 7:54:35483 days ago1674546875
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0.001 ETH
164473342023-01-20 10:11:23487 days ago1674209483
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0.0048125 ETH
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0.005 ETH
164333362023-01-18 11:17:11489 days ago1674040631
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0.00385 ETH
164333362023-01-18 11:17:11489 days ago1674040631
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0.004 ETH
164312302023-01-18 4:14:23489 days ago1674015263
CryptoKitties: Siring Auction
0.00385 ETH
164312302023-01-18 4:14:23489 days ago1674015263
CryptoKitties: Siring Auction
0.004 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
SiringClockAuction

Compiler Version
v0.4.18+commit.9cf6e910

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-11-28
*/

pragma solidity ^0.4.11;


/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() {
    owner = msg.sender;
  }


  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }


  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) onlyOwner {
    if (newOwner != address(0)) {
      owner = newOwner;
    }
  }

}



/// @title Interface for contracts conforming to ERC-721: Non-Fungible Tokens
/// @author Dieter Shirley <[email protected]> (https://github.com/dete)
contract ERC721 {
    // Required methods
    function totalSupply() public view returns (uint256 total);
    function balanceOf(address _owner) public view returns (uint256 balance);
    function ownerOf(uint256 _tokenId) external view returns (address owner);
    function approve(address _to, uint256 _tokenId) external;
    function transfer(address _to, uint256 _tokenId) external;
    function transferFrom(address _from, address _to, uint256 _tokenId) external;

    // Events
    event Transfer(address from, address to, uint256 tokenId);
    event Approval(address owner, address approved, uint256 tokenId);

    // Optional
    // function name() public view returns (string name);
    // function symbol() public view returns (string symbol);
    // function tokensOfOwner(address _owner) external view returns (uint256[] tokenIds);
    // function tokenMetadata(uint256 _tokenId, string _preferredTransport) public view returns (string infoUrl);

    // ERC-165 Compatibility (https://github.com/ethereum/EIPs/issues/165)
    function supportsInterface(bytes4 _interfaceID) external view returns (bool);
}









/// @title Auction Core
/// @dev Contains models, variables, and internal methods for the auction.
/// @notice We omit a fallback function to prevent accidental sends to this contract.
contract ClockAuctionBase {

    // Represents an auction on an NFT
    struct Auction {
        // Current owner of NFT
        address seller;
        // Price (in wei) at beginning of auction
        uint128 startingPrice;
        // Price (in wei) at end of auction
        uint128 endingPrice;
        // Duration (in seconds) of auction
        uint64 duration;
        // Time when auction started
        // NOTE: 0 if this auction has been concluded
        uint64 startedAt;
    }

    // Reference to contract tracking NFT ownership
    ERC721 public nonFungibleContract;

    // Cut owner takes on each auction, measured in basis points (1/100 of a percent).
    // Values 0-10,000 map to 0%-100%
    uint256 public ownerCut;

    // Map from token ID to their corresponding auction.
    mapping (uint256 => Auction) tokenIdToAuction;

    event AuctionCreated(uint256 tokenId, uint256 startingPrice, uint256 endingPrice, uint256 duration);
    event AuctionSuccessful(uint256 tokenId, uint256 totalPrice, address winner);
    event AuctionCancelled(uint256 tokenId);

    /// @dev Returns true if the claimant owns the token.
    /// @param _claimant - Address claiming to own the token.
    /// @param _tokenId - ID of token whose ownership to verify.
    function _owns(address _claimant, uint256 _tokenId) internal view returns (bool) {
        return (nonFungibleContract.ownerOf(_tokenId) == _claimant);
    }

    /// @dev Escrows the NFT, assigning ownership to this contract.
    /// Throws if the escrow fails.
    /// @param _owner - Current owner address of token to escrow.
    /// @param _tokenId - ID of token whose approval to verify.
    function _escrow(address _owner, uint256 _tokenId) internal {
        // it will throw if transfer fails
        nonFungibleContract.transferFrom(_owner, this, _tokenId);
    }

    /// @dev Transfers an NFT owned by this contract to another address.
    /// Returns true if the transfer succeeds.
    /// @param _receiver - Address to transfer NFT to.
    /// @param _tokenId - ID of token to transfer.
    function _transfer(address _receiver, uint256 _tokenId) internal {
        // it will throw if transfer fails
        nonFungibleContract.transfer(_receiver, _tokenId);
    }

    /// @dev Adds an auction to the list of open auctions. Also fires the
    ///  AuctionCreated event.
    /// @param _tokenId The ID of the token to be put on auction.
    /// @param _auction Auction to add.
    function _addAuction(uint256 _tokenId, Auction _auction) internal {
        // Require that all auctions have a duration of
        // at least one minute. (Keeps our math from getting hairy!)
        require(_auction.duration >= 1 minutes);

        tokenIdToAuction[_tokenId] = _auction;

        AuctionCreated(
            uint256(_tokenId),
            uint256(_auction.startingPrice),
            uint256(_auction.endingPrice),
            uint256(_auction.duration)
        );
    }

    /// @dev Cancels an auction unconditionally.
    function _cancelAuction(uint256 _tokenId, address _seller) internal {
        _removeAuction(_tokenId);
        _transfer(_seller, _tokenId);
        AuctionCancelled(_tokenId);
    }

    /// @dev Computes the price and transfers winnings.
    /// Does NOT transfer ownership of token.
    function _bid(uint256 _tokenId, uint256 _bidAmount)
        internal
        returns (uint256)
    {
        // Get a reference to the auction struct
        Auction storage auction = tokenIdToAuction[_tokenId];

        // Explicitly check that this auction is currently live.
        // (Because of how Ethereum mappings work, we can't just count
        // on the lookup above failing. An invalid _tokenId will just
        // return an auction object that is all zeros.)
        require(_isOnAuction(auction));

        // Check that the bid is greater than or equal to the current price
        uint256 price = _currentPrice(auction);
        require(_bidAmount >= price);

        // Grab a reference to the seller before the auction struct
        // gets deleted.
        address seller = auction.seller;

        // The bid is good! Remove the auction before sending the fees
        // to the sender so we can't have a reentrancy attack.
        _removeAuction(_tokenId);

        // Transfer proceeds to seller (if there are any!)
        if (price > 0) {
            // Calculate the auctioneer's cut.
            // (NOTE: _computeCut() is guaranteed to return a
            // value <= price, so this subtraction can't go negative.)
            uint256 auctioneerCut = _computeCut(price);
            uint256 sellerProceeds = price - auctioneerCut;

            // NOTE: Doing a transfer() in the middle of a complex
            // method like this is generally discouraged because of
            // reentrancy attacks and DoS attacks if the seller is
            // a contract with an invalid fallback function. We explicitly
            // guard against reentrancy attacks by removing the auction
            // before calling transfer(), and the only thing the seller
            // can DoS is the sale of their own asset! (And if it's an
            // accident, they can call cancelAuction(). )
            seller.transfer(sellerProceeds);
        }

        // Calculate any excess funds included with the bid. If the excess
        // is anything worth worrying about, transfer it back to bidder.
        // NOTE: We checked above that the bid amount is greater than or
        // equal to the price so this cannot underflow.
        uint256 bidExcess = _bidAmount - price;

        // Return the funds. Similar to the previous transfer, this is
        // not susceptible to a re-entry attack because the auction is
        // removed before any transfers occur.
        msg.sender.transfer(bidExcess);

        // Tell the world!
        AuctionSuccessful(_tokenId, price, msg.sender);

        return price;
    }

    /// @dev Removes an auction from the list of open auctions.
    /// @param _tokenId - ID of NFT on auction.
    function _removeAuction(uint256 _tokenId) internal {
        delete tokenIdToAuction[_tokenId];
    }

    /// @dev Returns true if the NFT is on auction.
    /// @param _auction - Auction to check.
    function _isOnAuction(Auction storage _auction) internal view returns (bool) {
        return (_auction.startedAt > 0);
    }

    /// @dev Returns current price of an NFT on auction. Broken into two
    ///  functions (this one, that computes the duration from the auction
    ///  structure, and the other that does the price computation) so we
    ///  can easily test that the price computation works correctly.
    function _currentPrice(Auction storage _auction)
        internal
        view
        returns (uint256)
    {
        uint256 secondsPassed = 0;

        // A bit of insurance against negative values (or wraparound).
        // Probably not necessary (since Ethereum guarnatees that the
        // now variable doesn't ever go backwards).
        if (now > _auction.startedAt) {
            secondsPassed = now - _auction.startedAt;
        }

        return _computeCurrentPrice(
            _auction.startingPrice,
            _auction.endingPrice,
            _auction.duration,
            secondsPassed
        );
    }

    /// @dev Computes the current price of an auction. Factored out
    ///  from _currentPrice so we can run extensive unit tests.
    ///  When testing, make this function public and turn on
    ///  `Current price computation` test suite.
    function _computeCurrentPrice(
        uint256 _startingPrice,
        uint256 _endingPrice,
        uint256 _duration,
        uint256 _secondsPassed
    )
        internal
        pure
        returns (uint256)
    {
        // NOTE: We don't use SafeMath (or similar) in this function because
        //  all of our public functions carefully cap the maximum values for
        //  time (at 64-bits) and currency (at 128-bits). _duration is
        //  also known to be non-zero (see the require() statement in
        //  _addAuction())
        if (_secondsPassed >= _duration) {
            // We've reached the end of the dynamic pricing portion
            // of the auction, just return the end price.
            return _endingPrice;
        } else {
            // Starting price can be higher than ending price (and often is!), so
            // this delta can be negative.
            int256 totalPriceChange = int256(_endingPrice) - int256(_startingPrice);

            // This multiplication can't overflow, _secondsPassed will easily fit within
            // 64-bits, and totalPriceChange will easily fit within 128-bits, their product
            // will always fit within 256-bits.
            int256 currentPriceChange = totalPriceChange * int256(_secondsPassed) / int256(_duration);

            // currentPriceChange can be negative, but if so, will have a magnitude
            // less that _startingPrice. Thus, this result will always end up positive.
            int256 currentPrice = int256(_startingPrice) + currentPriceChange;

            return uint256(currentPrice);
        }
    }

    /// @dev Computes owner's cut of a sale.
    /// @param _price - Sale price of NFT.
    function _computeCut(uint256 _price) internal view returns (uint256) {
        // NOTE: We don't use SafeMath (or similar) in this function because
        //  all of our entry functions carefully cap the maximum values for
        //  currency (at 128-bits), and ownerCut <= 10000 (see the require()
        //  statement in the ClockAuction constructor). The result of this
        //  function is always guaranteed to be <= _price.
        return _price * ownerCut / 10000;
    }

}







/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;


  /**
   * @dev modifier to allow actions only when the contract IS paused
   */
  modifier whenNotPaused() {
    require(!paused);
    _;
  }

  /**
   * @dev modifier to allow actions only when the contract IS NOT paused
   */
  modifier whenPaused {
    require(paused);
    _;
  }

  /**
   * @dev called by the owner to pause, triggers stopped state
   */
  function pause() onlyOwner whenNotPaused returns (bool) {
    paused = true;
    Pause();
    return true;
  }

  /**
   * @dev called by the owner to unpause, returns to normal state
   */
  function unpause() onlyOwner whenPaused returns (bool) {
    paused = false;
    Unpause();
    return true;
  }
}


/// @title Clock auction for non-fungible tokens.
/// @notice We omit a fallback function to prevent accidental sends to this contract.
contract ClockAuction is Pausable, ClockAuctionBase {

    /// @dev The ERC-165 interface signature for ERC-721.
    ///  Ref: https://github.com/ethereum/EIPs/issues/165
    ///  Ref: https://github.com/ethereum/EIPs/issues/721
    bytes4 constant InterfaceSignature_ERC721 = bytes4(0x9a20483d);

    /// @dev Constructor creates a reference to the NFT ownership contract
    ///  and verifies the owner cut is in the valid range.
    /// @param _nftAddress - address of a deployed contract implementing
    ///  the Nonfungible Interface.
    /// @param _cut - percent cut the owner takes on each auction, must be
    ///  between 0-10,000.
    function ClockAuction(address _nftAddress, uint256 _cut) public {
        require(_cut <= 10000);
        ownerCut = _cut;

        ERC721 candidateContract = ERC721(_nftAddress);
        require(candidateContract.supportsInterface(InterfaceSignature_ERC721));
        nonFungibleContract = candidateContract;
    }

    /// @dev Remove all Ether from the contract, which is the owner's cuts
    ///  as well as any Ether sent directly to the contract address.
    ///  Always transfers to the NFT contract, but can be called either by
    ///  the owner or the NFT contract.
    function withdrawBalance() external {
        address nftAddress = address(nonFungibleContract);

        require(
            msg.sender == owner ||
            msg.sender == nftAddress
        );
        // We are using this boolean method to make sure that even if one fails it will still work
        bool res = nftAddress.send(this.balance);
    }

    /// @dev Creates and begins a new auction.
    /// @param _tokenId - ID of token to auction, sender must be owner.
    /// @param _startingPrice - Price of item (in wei) at beginning of auction.
    /// @param _endingPrice - Price of item (in wei) at end of auction.
    /// @param _duration - Length of time to move between starting
    ///  price and ending price (in seconds).
    /// @param _seller - Seller, if not the message sender
    function createAuction(
        uint256 _tokenId,
        uint256 _startingPrice,
        uint256 _endingPrice,
        uint256 _duration,
        address _seller
    )
        external
        whenNotPaused
    {
        // Sanity check that no inputs overflow how many bits we've allocated
        // to store them in the auction struct.
        require(_startingPrice == uint256(uint128(_startingPrice)));
        require(_endingPrice == uint256(uint128(_endingPrice)));
        require(_duration == uint256(uint64(_duration)));

        require(_owns(msg.sender, _tokenId));
        _escrow(msg.sender, _tokenId);
        Auction memory auction = Auction(
            _seller,
            uint128(_startingPrice),
            uint128(_endingPrice),
            uint64(_duration),
            uint64(now)
        );
        _addAuction(_tokenId, auction);
    }

    /// @dev Bids on an open auction, completing the auction and transferring
    ///  ownership of the NFT if enough Ether is supplied.
    /// @param _tokenId - ID of token to bid on.
    function bid(uint256 _tokenId)
        external
        payable
        whenNotPaused
    {
        // _bid will throw if the bid or funds transfer fails
        _bid(_tokenId, msg.value);
        _transfer(msg.sender, _tokenId);
    }

    /// @dev Cancels an auction that hasn't been won yet.
    ///  Returns the NFT to original owner.
    /// @notice This is a state-modifying function that can
    ///  be called while the contract is paused.
    /// @param _tokenId - ID of token on auction
    function cancelAuction(uint256 _tokenId)
        external
    {
        Auction storage auction = tokenIdToAuction[_tokenId];
        require(_isOnAuction(auction));
        address seller = auction.seller;
        require(msg.sender == seller);
        _cancelAuction(_tokenId, seller);
    }

    /// @dev Cancels an auction when the contract is paused.
    ///  Only the owner may do this, and NFTs are returned to
    ///  the seller. This should only be used in emergencies.
    /// @param _tokenId - ID of the NFT on auction to cancel.
    function cancelAuctionWhenPaused(uint256 _tokenId)
        whenPaused
        onlyOwner
        external
    {
        Auction storage auction = tokenIdToAuction[_tokenId];
        require(_isOnAuction(auction));
        _cancelAuction(_tokenId, auction.seller);
    }

    /// @dev Returns auction info for an NFT on auction.
    /// @param _tokenId - ID of NFT on auction.
    function getAuction(uint256 _tokenId)
        external
        view
        returns
    (
        address seller,
        uint256 startingPrice,
        uint256 endingPrice,
        uint256 duration,
        uint256 startedAt
    ) {
        Auction storage auction = tokenIdToAuction[_tokenId];
        require(_isOnAuction(auction));
        return (
            auction.seller,
            auction.startingPrice,
            auction.endingPrice,
            auction.duration,
            auction.startedAt
        );
    }

    /// @dev Returns the current price of an auction.
    /// @param _tokenId - ID of the token price we are checking.
    function getCurrentPrice(uint256 _tokenId)
        external
        view
        returns (uint256)
    {
        Auction storage auction = tokenIdToAuction[_tokenId];
        require(_isOnAuction(auction));
        return _currentPrice(auction);
    }

}


/// @title Reverse auction modified for siring
/// @notice We omit a fallback function to prevent accidental sends to this contract.
contract SiringClockAuction is ClockAuction {

    // @dev Sanity check that allows us to ensure that we are pointing to the
    //  right auction in our setSiringAuctionAddress() call.
    bool public isSiringClockAuction = true;

    // Delegate constructor
    function SiringClockAuction(address _nftAddr, uint256 _cut) public
        ClockAuction(_nftAddr, _cut) {}

    /// @dev Creates and begins a new auction. Since this function is wrapped,
    /// require sender to be KittyCore contract.
    /// @param _tokenId - ID of token to auction, sender must be owner.
    /// @param _startingPrice - Price of item (in wei) at beginning of auction.
    /// @param _endingPrice - Price of item (in wei) at end of auction.
    /// @param _duration - Length of auction (in seconds).
    /// @param _seller - Seller, if not the message sender
    function createAuction(
        uint256 _tokenId,
        uint256 _startingPrice,
        uint256 _endingPrice,
        uint256 _duration,
        address _seller
    )
        external
    {
        // Sanity check that no inputs overflow how many bits we've allocated
        // to store them in the auction struct.
        require(_startingPrice == uint256(uint128(_startingPrice)));
        require(_endingPrice == uint256(uint128(_endingPrice)));
        require(_duration == uint256(uint64(_duration)));

        require(msg.sender == address(nonFungibleContract));
        _escrow(_seller, _tokenId);
        Auction memory auction = Auction(
            _seller,
            uint128(_startingPrice),
            uint128(_endingPrice),
            uint64(_duration),
            uint64(now)
        );
        _addAuction(_tokenId, auction);
    }

    /// @dev Places a bid for siring. Requires the sender
    /// is the KittyCore contract because all bid methods
    /// should be wrapped. Also returns the kitty to the
    /// seller rather than the winner.
    function bid(uint256 _tokenId)
        external
        payable
    {
        require(msg.sender == address(nonFungibleContract));
        address seller = tokenIdToAuction[_tokenId].seller;
        // _bid checks that token ID is valid and will throw if bid fails
        _bid(_tokenId, msg.value);
        // We transfer the kitty back to the seller, the winner will get
        // the offspring
        _transfer(seller, _tokenId);
    }

}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"},{"name":"_startingPrice","type":"uint256"},{"name":"_endingPrice","type":"uint256"},{"name":"_duration","type":"uint256"},{"name":"_seller","type":"address"}],"name":"createAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"bid","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawBalance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isSiringClockAuction","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"getAuction","outputs":[{"name":"seller","type":"address"},{"name":"startingPrice","type":"uint256"},{"name":"endingPrice","type":"uint256"},{"name":"duration","type":"uint256"},{"name":"startedAt","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ownerCut","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"cancelAuctionWhenPaused","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"cancelAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"getCurrentPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"nonFungibleContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_nftAddr","type":"address"},{"name":"_cut","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenId","type":"uint256"},{"indexed":false,"name":"startingPrice","type":"uint256"},{"indexed":false,"name":"endingPrice","type":"uint256"},{"indexed":false,"name":"duration","type":"uint256"}],"name":"AuctionCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenId","type":"uint256"},{"indexed":false,"name":"totalPrice","type":"uint256"},{"indexed":false,"name":"winner","type":"address"}],"name":"AuctionSuccessful","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenId","type":"uint256"}],"name":"AuctionCancelled","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"}]

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Deployed Bytecode

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

00000000000000000000000006012c8cf97bead5deae237070f9587f8e7a266d0000000000000000000000000000000000000000000000000000000000000177

-----Decoded View---------------
Arg [0] : _nftAddr (address): 0x06012c8cf97BEaD5deAe237070F9587f8E7A266d
Arg [1] : _cut (uint256): 375

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000006012c8cf97bead5deae237070f9587f8e7a266d
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000177


Swarm Source

bzzr://2470b2745ab24e608ac20f9f3f5d70d3c8328adc42a802a76e2305ffac8bc0ac

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