IntermediateContract

pragma solidity ^0.4.8;
contract CryptoPunksMarket {

    // You can use this hash to verify the image file containing all the punks
    string public imageHash = "ac39af4793119ee46bbff351d8cb6b5f23da60222126add4268e261199a2921b";

    address owner;

    string public standard = 'CryptoPunks';
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public totalSupply;

    uint public nextPunkIndexToAssign = 0;

    bool public allPunksAssigned = false;
    uint public punksRemainingToAssign = 0;

    //mapping (address => uint) public addressToPunkIndex;
    mapping (uint => address) public punkIndexToAddress;

    /* This creates an array with all balances */
    mapping (address => uint256) public balanceOf;

    struct Offer {
        bool isForSale;
        uint punkIndex;
        address seller;
        uint minValue;          // in ether
        address onlySellTo;     // specify to sell only to a specific person
    }

    struct Bid {
        bool hasBid;
        uint punkIndex;
        address bidder;
        uint value;
    }

    // A record of punks that are offered for sale at a specific minimum value, and perhaps to a specific person
    mapping (uint => Offer) public punksOfferedForSale;

    // A record of the highest punk bid
    mapping (uint => Bid) public punkBids;

    mapping (address => uint) public pendingWithdrawals;

    event Assign(address indexed to, uint256 punkIndex);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event PunkTransfer(address indexed from, address indexed to, uint256 punkIndex);
    event PunkOffered(uint indexed punkIndex, uint minValue, address indexed toAddress);
    event PunkBidEntered(uint indexed punkIndex, uint value, address indexed fromAddress);
    event PunkBidWithdrawn(uint indexed punkIndex, uint value, address indexed fromAddress);
    event PunkBought(uint indexed punkIndex, uint value, address indexed fromAddress, address indexed toAddress);
    event PunkNoLongerForSale(uint indexed punkIndex);

    /* Initializes contract with initial supply tokens to the creator of the contract */
    function CryptoPunksMarket() payable {
        //        balanceOf[msg.sender] = initialSupply;              // Give the creator all initial tokens
        owner = msg.sender;
        totalSupply = 10000;                        // Update total supply
        punksRemainingToAssign = totalSupply;
        name = "CRYPTOPUNKS";                                   // Set the name for display purposes
        symbol = "Ͼ";                               // Set the symbol for display purposes
        decimals = 0;                                       // Amount of decimals for display purposes
    }

    function setInitia  if (allPunksAssigned) throw;
        if (punkIndex >= 10000) throw;
        if (punkIndexToAddress[punkIndex] != to) {
            if (punkIndexToAddress[punkIndex] != 0x0) {
                balanceOf[punkIndexToAddress[punkIndex]]--;
            } else {
                punksRemainingToAssign--;
            }
            punkIndexToAddress[punkIndex] = to;
            balanceOf[to]++;
            Assign(to, punkIndex);
        }
    }lOwner(address to, uint punkIndex) {
        if (msg.sender != owner) throw;
      

    function setInitialOwners(address[] addresses, uint[] indices) {
        if (msg.sender != owner) throw;
        uint n = addresses.length;
        for (uint i = 0; i < n; i++) {
            setInitialOwner(addresses[i], indices[i]);
        }
    }

    function allInitialOwnersAssigned() {
        if (msg.sender != owner) throw;
        allPunksAssigned = true;
    }

    // to claim ownership of a punk (this is no longer useful as all 10,000 punks have been claimed).
    function getPunk(uint punkIndex) {
        if (!allPunksAssigned) throw;
        if (punksRemainingToAssign == 0) throw;
        if (punkIndexToAddress[punkIndex] != 0x0) throw;
        if (punkIndex >= 10000) throw;
        punkIndexToAddress[punkIndex] = msg.sender;
        balanceOf[msg.sender]++;
        punksRemainingToAssign--;
        Assign(msg.sender, punkIndex);
    }

    // Transfer ownership of a punk to another user without requiring payment
    function transferPunk(address to, uint punkIndex) {
        if (!allPunksAssigned) throw;
        if (punkIndexToAddress[punkIndex] != msg.sender) throw;
        if (punkIndex >= 10000) throw;
        if (punksOfferedForSale[punkIndex].isForSale) {
            punkNoLongerForSale(punkIndex);
        }
        punkIndexToAddress[punkIndex] = to;
        balanceOf[msg.sender]--;
        balanceOf[to]++;
        Transfer(msg.sender, to, 1);
        PunkTransfer(msg.sender, to, punkIndex);
        // Check for the case where there is a bid from the new owner and refund it.
        // Any other bid can stay in place.
        Bid bid = punkBids[punkIndex];
        if (bid.bidder == to) {
            // Kill bid and refund value
            pendingWithdrawals[to] += bid.value;
            punkBids[punkIndex] = Bid(false, punkIndex, 0x0, 0);
        }
    }

    function punkNoLongerForSale(uint punkIndex) {
        if (!allPunksAssigned) throw;
        if (punkIndexToAddress[punkIndex] != msg.sender) throw;
        if (punkIndex >= 10000) throw;
        punksOfferedForSale[punkIndex] = Offer(false, punkIndex, msg.sender, 0, 0x0);
        PunkNoLongerForSale(punkIndex);
    }

    // offer one of your punks for sale to anyone willing to pay the minimum price specified (in Wei).
    function offerPunkForSale(uint punkIndex, uint minSalePriceInWei) {
        if (!allPunksAssigned) throw;
        if (punkIndexToAddress[punkIndex] != msg.sender) throw;
        if (punkIndex >= 10000) throw;
        punksOfferedForSale[punkIndex] = Offer(true, punkIndex, msg.sender, minSalePriceInWei, 0x0);
        PunkOffered(punkIndex, minSalePriceInWei, 0x0);
    }

    // offer one of your punks for some minumum price, but only to the address specified. Use this to sell a punk to a specific person.
    function offerPunkForSaleToAddress(uint punkIndex, uint minSalePriceInWei, address toAddress) {
        if (!allPunksAssigned) throw;
        if (punkIndexToAddress[punkIndex] != msg.sender) throw;
        if (punkIndex >= 10000) throw;
        punksOfferedForSale[punkIndex] = Offer(true, punkIndex, msg.sender, minSalePriceInWei, toAddress);
        PunkOffered(punkIndex, minSalePriceInWei, toAddress);
    }

    // buy punk at the specified index. That punk needs to be previously offered for sale, and you need to have sent at least the amount of Ether specified as the sale price for the punk.
    function buyPunk(uint punkIndex) payable {
        if (!allPunksAssigned) throw;
        Offer offer = punksOfferedForSale[punkIndex];
        if (punkIndex >= 10000) throw;
        if (!offer.isForSale) throw;                // punk not actually for sale
        if (offer.onlySellTo != 0x0 && offer.onlySellTo != msg.sender) throw;  // punk not supposed to be sold to this user
        if (msg.value < offer.minValue) throw;      // Didn't send enough ETH
        if (offer.seller != punkIndexToAddress[punkIndex]) throw; // Seller no longer owner of punk

        address seller = offer.seller;

        punkIndexToAddress[punkIndex] = msg.sender;
        balanceOf[seller]--;
        balanceOf[msg.sender]++;
        Transfer(seller, msg.sender, 1);

        punkNoLongerForSale(punkIndex);
        pendingWithdrawals[seller] += msg.value;
        PunkBought(punkIndex, msg.value, seller, msg.sender);

        // Check for the case where there is a bid from the new owner and refund it.
        // Any other bid can stay in place.
        Bid bid = punkBids[punkIndex];
        if (bid.bidder == msg.sender) {
            // Kill bid and refund value
            pendingWithdrawals[msg.sender] += bid.value;
            punkBids[punkIndex] = Bid(false, punkIndex, 0x0, 0);
        }
    }


    // claim all the Ether people have previously sent to buy your punks.
    function withdraw() {
        if (!allPunksAssigned) throw;
        uint amount = pendingWithdrawals[msg.sender];
        // Remember to zero the pending refund before
        // sending to prevent re-entrancy attacks
        pendingWithdrawals[msg.sender] = 0;
        msg.sender.transfer(amount);
    }

    //  enters a bid for the punkIndex specified. Send in the amount of your bid in the value field and we will hold that ether in escrow.
    function enterBidForPunk(uint punkIndex) payable {
        if (punkIndex >= 10000) throw;
        if (!allPunksAssigned) throw;                
        if (punkIndexToAddress[punkIndex] == 0x0) throw;
        if (punkIndexToAddress[punkIndex] == msg.sender) throw;
        if (msg.value == 0) throw;
        Bid existing = punkBids[punkIndex];
        if (msg.value <= existing.value) throw;
        if (existing.value > 0) {
            // Refund the failing bid
            pendingWithdrawals[existing.bidder] += existing.value;
        }
        punkBids[punkIndex] = Bid(true, punkIndex, msg.sender, msg.value);
        PunkBidEntered(punkIndex, msg.value, msg.sender);
    }

    // to accept a pending bid for the specified punk. You can specify a minPrice in Wei to protect yourself from someone switching the bid for a lower bid.
    function acceptBidForPunk(uint punkIndex, uint minPrice) {
        if (punkIndex >= 10000) throw;
        if (!allPunksAssigned) throw;                
        if (punkIndexToAddress[punkIndex] != msg.sender) throw;
        address seller = msg.sender;
        Bid bid = punkBids[punkIndex];
        if (bid.value == 0) throw;
        if (bid.value < minPrice) throw;

        punkIndexToAddress[punkIndex] = bid.bidder;
        balanceOf[seller]--;
        balanceOf[bid.bidder]++;
        Transfer(seller, bid.bidder, 1);

        punksOfferedForSale[punkIndex] = Offer(false, punkIndex, bid.bidder, 0, 0x0);
        uint amount = bid.value;
        punkBids[punkIndex] = Bid(false, punkIndex, 0x0, 0);
        pendingWithdrawals[seller] += amount;
        PunkBought(punkIndex, bid.value, seller, bid.bidder);
    }

    // will withdraw a bid for the specified punk and send you the ether from the bid.
    function withdrawBidForPunk(uint punkIndex) {
        if (punkIndex >= 10000) throw;
        if (!allPunksAssigned) throw;                
        if (punkIndexToAddress[punkIndex] == 0x0) throw;
        if (punkIndexToAddress[punkIndex] == msg.sender) throw;
        Bid bid = punkBids[punkIndex];
        if (bid.bidder != msg.sender) throw;
        PunkBidWithdrawn(punkIndex, bid.value, msg.sender);
        uint amount = bid.value;
        punkBids[punkIndex] = Bid(false, punkIndex, 0x0, 0);
        // Refund the bid money
        msg.sender.transfer(amount);
    }

}