Contract 0xb1690C08E213a35Ed9bAb7B318DE14420FB57d8C

 

Contract Overview

CryptoKitties_SalesAuction
Balance:
35.924461155645917229 Ether

EtherValue:
$5,351.67 (@ $148.97/ETH)

Token:
TxHash Block Age From To Value [TxFee]
0xa20fc6aa0af7e0c4ff68e5b6c13e8a878c2c23f29941c8bf01f2da8447aa2b9d(pending)4 mins ago0xca14697a2799573915884ff7860ba1c452a46fbf IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002235662904278758 Ether(Pending)
0x9b7b7e1893fec89dcc679078c12a4e372674c225e53a54d122907b2d734192c5(pending)4 mins ago0xca14697a2799573915884ff7860ba1c452a46fbf IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002572820986756574 Ether(Pending)
0x03ad7862e7cfc8a1c6cb6954b80cf6f6f2ce4fde3c3e8ea948513e52f7a9dd8c(pending)4 mins ago0xca14697a2799573915884ff7860ba1c452a46fbf IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002053097431018032 Ether(Pending)
0x8aadd412b5e3d134953b5622ff90b17554979cfae47d09381566da2f49640ef8(pending)4 mins ago0xca14697a2799573915884ff7860ba1c452a46fbf IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.0031784745806948 Ether(Pending)
0xe87b649ae9be5bfd6b3ec5202d3679de7744571ca269db6899e01ceee7c2bfe3(pending)8 mins ago0xcf20ddf5fe0696ed3a6978cb3ab93b1249141f2f IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.027794919236269531 Ether(Pending)
0x23d50baf7df4cce24e0ac65c2bcc5efc2e3cbd881cb15a6e5a7595dd79755391(pending)3 hrs 58 mins ago0x1da75fd6e1e6de0bec2926e4d2cea749208c4347 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002925 Ether(Pending)
0x3425f78ed01cc9f016ddb63c3ef450ce5f006f9446bdd96199edc7776587e76a(pending)4 hrs 35 mins ago0x213f9ce52f5ba5b86ad4f9d623feb35d92f2f033 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003371637008101852 Ether(Pending)
0xfaecf6758203bcd20dbc1d9e5bac5b42c9fcda1e5cc3a047e6fb592961c83181(pending)4 hrs 36 mins ago0xb1585da6f8b40047621beb260421e0641b7f3136 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003 Ether(Pending)
0x169825f6576a901cb7c17011c5fdb7795a28824aa4a34eae084e8b181fb9b6f0(pending)4 hrs 36 mins ago0xb1585da6f8b40047621beb260421e0641b7f3136 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.004347369351982496 Ether(Pending)
0x1c9d9aaae5b2483f2bf94bb37818622945c210819cccb95acdf26ee854201d85(pending)9 hrs 26 mins ago0x5f9aaacd65ab18dccab83703b3cbf0a983d91132 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.00202291294992246 Ether(Pending)
0x88c673981b603e076c0b2c7f0939c4c27304be4a33dd5eb55f84d5cb264cddd5(pending)11 hrs 42 mins ago0x5f9aaacd65ab18dccab83703b3cbf0a983d91132 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003 Ether(Pending)
0xb69314bf7cf53736c96d97d05b66b958df1a2a3f4ef2adafd0bbc1392e5d18f9(pending)1 day 49 mins ago0x632deb8480867ee288802f967b37b3191f09fd97 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.00274981150709828 Ether(Pending)
0x55608e824fec75bc0c6157289c96ffd830b91c4b94a48eaf9b8ed78bec7f7f6d(pending)1 day 2 hrs ago0x2c891ebe5f6da0e225f188156b10af36ff38f62e IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003991909062112697 Ether(Pending)
0xc0d05606811264e6f99b8c4d3968c3c95bf9b9268d236b8f2e50e6d91a8ae5c1(pending)1 day 2 hrs ago0xe2e87052f219833953ef1c352c4d09e415e92512 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0 Ether(Pending)
0x54641515cb886964e874d2650bc80421763e28ce7c85d378b91406119a71b2ab(pending)1 day 9 hrs ago0xe7e208de75a81691fd338d0d9a4ec61919a89d87 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.004999837200935185 Ether(Pending)
0x81e4aa412a4ca66b418275fa7b00e095026b3f296a87e52db763689a8aee7822(pending)1 day 9 hrs ago0x61df514f6ed8d2973b7c7c1bb0aeea3c530f9112 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002749672022916667 Ether(Pending)
0xc69f35d4cbede871dcfca400dfde401c2af319f23c2ba4a0ef0ccd3a1c1e2300(pending)1 day 9 hrs ago0xbab520d6d31776de038246c69495acd5fa902729 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002893184588365803 Ether(Pending)
0xdea5dd6a895888f66277006ff65be2cc85ff8d182b240ee3f3d40722ff8cedc4(pending)1 day 9 hrs ago0xa5bb7b79b2e230973905cc65657c375f745cd0e2 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003991962398579401 Ether(Pending)
0xace51e077e57eec2d00b732d814cf0541f504de7dd1a99b85dbed265baec9461(pending)1 day 9 hrs ago0x213f9ce52f5ba5b86ad4f9d623feb35d92f2f033 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003376634475925926 Ether(Pending)
0xc7abd3af48b130a6681477e2b5ad982263c179cecc2079398928b951cbff236c(pending)1 day 9 hrs ago0x959f092db42b2728cdf75f622a1cfd72caf15928 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.002629272723505988 Ether(Pending)
0x0a9053a26529ac7921286826cad7cea782af216220c1790036ca8c7073be8b32(pending)1 day 9 hrs ago0x6c490cbaafb3bd3c5f90d2c6f3f77bcc33d5d26a IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.001004940141049383 Ether(Pending)
0x5ed2f0dba2d1724b423939a9550d2ea811b323234496bd75b68332c26285bed3(pending)1 day 9 hrs ago0x7d2e0f9e0a755bfae6f8cf2a4a296fc2240fbd31 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.0053 Ether(Pending)
0x3291acff67708f6d640841d7d68c5607097ab9555c1aafcf84cae8a919b85090(pending)1 day 9 hrs ago0xfc4a5bc4eafda939bc1dc3d1b7cafe81b2e577ac IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.00150363040625 Ether(Pending)
0x87c4215d1994b0f8fa6f29e7fff11836cfe822858d6f597ac7edce7b1e926d3f(pending)1 day 9 hrs ago0x408bdb1e4172dd5eb9028bac74c27fd53ebb2ac4 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003313260099421296 Ether(Pending)
0xcf5314d2aeec96dfbd2dde96f7fc6350851a7d15cb0af63bce06fc83a8c01ec7(pending)1 day 9 hrs ago0xb83516f76971040058f477544714ef61e80fb9b7 IN 0xb1690c08e213a35ed9bab7b318de14420fb57d8c0.003 Ether(Pending)

Latest 25 Internal Transaction, Click here to view more Internal Transactions as a result of Contract Execution

Parent TxHash Block Age From To Value
0xd6183d5ac2d2c0bd1c7d510bb4505ec3303022bdde06dcb4deeeb4fe14814e3472572603 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x22d1a32a0be51f71702f8f64c56e51c7560b2f4c0.0048125 Ether
0x06379a1a755b24fb766fa2c60ed8aaaf6d42b171a1098c4d2cad308e6b2bd5b6725724610 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xcf20ddf5fe0696ed3a6978cb3ab93b1249141f2f0.000017820127700037 Ether
0x06379a1a755b24fb766fa2c60ed8aaaf6d42b171a1098c4d2cad308e6b2bd5b6725724610 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xd68c2b3086f9d0e278b0e0aea23ed361fa7c28e10.016687956452546298 Ether
0xd3f626ab9aa7cb8f54f443749777d2202fdb8cfacc882d1ecd7638dfdae35986725724510 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xab47c81540ba4fe61ee916a0cabc8a16b41dfedd0.001925 Ether
0x2abb143ebc1a4ecdd87eac2bcbda3bb2e9c008c59562b997e8edae5b18240d9b725724212 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xcf20ddf5fe0696ed3a6978cb3ab93b1249141f2f0.000076903193020115 Ether
0x2abb143ebc1a4ecdd87eac2bcbda3bb2e9c008c59562b997e8edae5b18240d9b725724212 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x16205a6048b6af17f1ac1a009bbf2ed9289e69210.014804820746527779 Ether
0x64f2a80b5dfde5394b673d6c46a27635e594e4a809d372a9f9c26d2facb477b6725719329 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x1e8b899d4a04bf81f779165daca1da0ace1c74400.000001341283312378 Ether
0x64f2a80b5dfde5394b673d6c46a27635e594e4a809d372a9f9c26d2facb477b6725719329 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x9e420112a3c071435ebfef025125f8f0390419510.00268883955439815 Ether
0xacd58ced47362e49b0931ba0baa4ef31f3af76729c1cee3a48d07e71d217ab55725719130 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xb367b96bd9af396dc5281cfdcd9e9571f670832f0.0028441875 Ether
0x88331786e444dd13a325f47b43b62996ac4e10d45474eb167662f2dbb9a1d1c5725718932 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xbce3bd3b206946abbe094903ae2b4244b52fb4e90.001925 Ether
0x4340947da287160fd268c7d7c650d098d03788a41976b03108d8d0f22ff94e4b725716839 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xee402489d83e2b22d496910f8c810d35a3ad7b250.0048125 Ether
0xdc927a6a32b5a33b0028217c1a2345a8a5d908d5862a66ff9a7f829fcafad689725716340 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x820c05573071b4d251fbcce35a907d858ed6c6a60.000008092384602976 Ether
0xdc927a6a32b5a33b0028217c1a2345a8a5d908d5862a66ff9a7f829fcafad689725716340 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xc8cb7dfbc78e4e085f2ec673ea48b96be46e0e9d0.049330967621388115 Ether
0x6d22d7955219d812f81f7151165af3144a1361973c02bf8e8281a70ca35927a8725715642 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x178b4162f824754b3cf84e6c23601f486e84aae00.000001020738389481 Ether
0x6d22d7955219d812f81f7151165af3144a1361973c02bf8e8281a70ca35927a8725715642 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xfc624f8f58db41bdb95aedee1de3c1cf047105f10.004714922994203922 Ether
0xa39506e3c42e52a7af8bdacfc565dfc258cb7ca8a642039f8ad156a5eb327c9f725712752 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xb7c48a0a2a8ccf05cd3606ef96989a1e93eea9d50.009625 Ether
0x84c723e514485a7b15381393ef8237fb8181b1954b503772495411cdd6287da4725712353 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x50c5e398267465dcbc19c512ed7ca8e345e35d670.048125 Ether
0xd570e2ec142240905ca5417bf077b13723677e117765d8faba5971310d9af1b1725712054 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x86c45c9bdc1448146f5e77d323222acaef769eb30.00003320585355097 Ether
0xd570e2ec142240905ca5417bf077b13723677e117765d8faba5971310d9af1b1725712054 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xbae25a69a6eb7341ee834be7635e247e22a1e57a0.030866290702160495 Ether
0x981446dde83e205ac3ceea19d7d1d2e5a2ee51b558234232fbe5b82e756757e272570721 hr 11 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x970915d1837c47d3ce92ec6ba452020bae1187310.000000450429627186 Ether
0x981446dde83e205ac3ceea19d7d1d2e5a2ee51b558234232fbe5b82e756757e272570721 hr 11 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x4fabda075e15e9245ed7cfb5db398b4683bfcf540.090631695661512029 Ether
0x76c60a8fb9d093824212fcfba1e52158ee28aaa584e272366aabaa7fc739aed872570401 hr 26 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x2cbdc108ea9a35eb9685b8a534a07c714ab3539d0.000026855698265901 Ether
0x76c60a8fb9d093824212fcfba1e52158ee28aaa584e272366aabaa7fc739aed872570401 hr 26 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xab47c81540ba4fe61ee916a0cabc8a16b41dfedd0.005543175636574075 Ether
0xc4f7a3feb27c7b6af539f430dab735c1047873e57ebb81d7ab276e13feabff0472570401 hr 26 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0xee402489d83e2b22d496910f8c810d35a3ad7b250.28875 Ether
0xa453670a07e2f4bbdee49ef0e5061fc832c657b791b379a60ba65aa0ced2c47672568132 hrs 32 mins ago0xb1690c08e213a35ed9bab7b318de14420fb57d8c0x137d9174d3bd00f2153dcc0fe7af712d3876a71e0.144375 Ether
[ Download CSV Export 
Warning: The compiled contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity) Solidity Compiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: SaleClockAuction
Compiler Version: v0.4.18+commit.9cf6e910
Optimization Enabled: Yes
Runs (Optimizer):  200


Contract Source Code
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 Clock auction modified for sale of kitties
/// @notice We omit a fallback function to prevent accidental sends to this contract.
contract SaleClockAuction is ClockAuction {

    // @dev Sanity check that allows us to ensure that we are pointing to the
    //  right auction in our setSaleAuctionAddress() call.
    bool public isSaleClockAuction = true;
    
    // Tracks last 5 sale price of gen0 kitty sales
    uint256 public gen0SaleCount;
    uint256[5] public lastGen0SalePrices;

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

    /// @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 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 Updates lastSalePrice if seller is the nft contract
    /// Otherwise, works the same as default bid method.
    function bid(uint256 _tokenId)
        external
        payable
    {
        // _bid verifies token ID size
        address seller = tokenIdToAuction[_tokenId].seller;
        uint256 price = _bid(_tokenId, msg.value);
        _transfer(msg.sender, _tokenId);

        // If not a gen0 auction, exit
        if (seller == address(nonFungibleContract)) {
            // Track gen0 sale prices
            lastGen0SalePrices[gen0SaleCount % 5] = price;
            gen0SaleCount++;
        }
    }

    function averageGen0SalePrice() external view returns (uint256) {
        uint256 sum = 0;
        for (uint256 i = 0; i < 5; i++) {
            sum += lastGen0SalePrices[i];
        }
        return sum / 5;
    }

}

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":"","type":"uint256"}],"name":"lastGen0SalePrices","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","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":"_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":true,"inputs":[],"name":"isSaleClockAuction","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"cancelAuctionWhenPaused","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"gen0SaleCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","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":true,"inputs":[],"name":"averageGen0SalePrice","outputs":[{"name":"","type":"uint256"}],"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"}]

Contract Creation Code
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


    Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000006012c8cf97bead5deae237070f9587f8e7a266d0000000000000000000000000000000000000000000000000000000000000177

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


   Swarm Source:
bzzr://666ae68d08f6b7766b21d1f7ba24d5315f1eb94a6e0b2af3961e798edfbb27de
Block Age transaction Difficulty GasUsed Reward
Block Age Uncle Number Difficulty GasUsed Reward
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.