ETH Price: $1,900.09 (+0.67%)
Gas: 0.696 Gwei

Transaction Decoder

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Transaction Hash:
0x7206b14961d0a85c30a4bf217815e0b99b542deb4fa8e0223418724ca2359a39
Block:
9987611 at May-02-2020 03:38:34 PM +UTC
Transaction Fee:
0.000425904 ETH $0.81
Gas Used:
70,984 Gas / 6 Gwei

Emitted Events:

43 Delegator.0xcc16f5dbb4873280815c1ee09dbd06736cffcc184412cf7a71a0fdb75d397ca5( 0xcc16f5dbb4873280815c1ee09dbd06736cffcc184412cf7a71a0fdb75d397ca5, 0x00000000000000000000000077a2b0836e327edab6ec20cd0bb4bb228969a732, 000000000000000000000000000000000000000000000000006ba8720cd47c1f )

Account State Difference:

  Address   Before After State Difference Code
0x77A2b083...28969A732 0.01 Eth0 Eth0.01
0x88A62883...ecE7C799f
(Fake_Phishing313358)
31.020575994482499256 Eth
Nonce: 204
31.060453120785529559 Eth
Nonce: 205
0.039877126303030303
0xd5524179...baa76B96b
CASH
1,616.312800513315380045 Eth1,616.282497483012349742 Eth0.030303030303030303
0xEA674fdD...16B898ec8 Miner
(Ethermine)
800.876571494264465902 Eth800.876997398264465902 Eth0.000425904
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Execution Trace

0x77a2b0836e327edab6ec20cd0bb4bb228969a732.CALL( )
  • Controller.lookup( _key=4D61696C626F7800000000000000000000000000000000000000000000000000 ) => ( 0x4DCB585B8C8c52C2D25D5a7c2672646BC24b3B66 )
  • Mailbox.DELEGATECALL( )
    • Controller.lookup( _key=4361736800000000000000000000000000000000000000000000000000000000 ) => ( 0xd5524179cB7AE012f5B642C1D6D700Bbaa76B96b )
    • Delegator.70a08231( )
      • Controller.lookup( _key=4361736854617267657400000000000000000000000000000000000000000000 ) => ( 0x9B4Af4a3295cF476a2b00736f7332f35BbEE960E )
      • Cash.balanceOf( _owner=0x77A2b0836E327EDAb6eC20cD0bB4BB228969A732 ) => ( 30303030303030303 )
      • Delegator.1baffe38( )
        • Controller.lookup( _key=4361736854617267657400000000000000000000000000000000000000000000 ) => ( 0x9B4Af4a3295cF476a2b00736f7332f35BbEE960E )
        • Cash.withdrawEtherTo( _to=0x88A6288370255dbF40Af80da260Ac95ecE7C799f, _amount=30303030303030303 ) => ( True )
          • ETH 0.030303030303030303 Fake_Phishing313358.CALL( )
          • ETH 0.01 Fake_Phishing313358.CALL( )
            File 1 of 4: Delegator
            pragma solidity 0.4.20;

contract IAugur {
    function createChildUniverse(bytes32 _parentPayoutDistributionHash, uint256[] _parentPayoutNumerators, bool _parentInvalid) public returns (IUniverse);
    function isKnownUniverse(IUniverse _universe) public view returns (bool);
    function trustedTransfer(ERC20 _token, address _from, address _to, uint256 _amount) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, bytes32[] _outcomes, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logInitialReportSubmitted(IUniverse _universe, address _reporter, address _market, uint256 _amountStaked, bool _isDesignatedReporter, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function disputeCrowdsourcerCreated(IUniverse _universe, address _market, address _disputeCrowdsourcer, uint256[] _payoutNumerators, uint256 _size, bool _invalid) public returns (bool);
    function logDisputeCrowdsourcerContribution(IUniverse _universe, address _reporter, address _market, address _disputeCrowdsourcer, uint256 _amountStaked) public returns (bool);
    function logDisputeCrowdsourcerCompleted(IUniverse _universe, address _market, address _disputeCrowdsourcer) public returns (bool);
    function logInitialReporterRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logDisputeCrowdsourcerRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logFeeWindowRedeemed(IUniverse _universe, address _reporter, uint256 _amountRedeemed, uint256 _reportingFeesReceived) public returns (bool);
    function logMarketFinalized(IUniverse _universe) public returns (bool);
    function logMarketMigrated(IMarket _market, IUniverse _originalUniverse) public returns (bool);
    function logReportingParticipantDisavowed(IUniverse _universe, IMarket _market) public returns (bool);
    function logMarketParticipantsDisavowed(IUniverse _universe) public returns (bool);
    function logOrderCanceled(IUniverse _universe, address _shareToken, address _sender, bytes32 _orderId, Order.Types _orderType, uint256 _tokenRefund, uint256 _sharesRefund) public returns (bool);
    function logOrderCreated(Order.Types _orderType, uint256 _amount, uint256 _price, address _creator, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _tradeGroupId, bytes32 _orderId, IUniverse _universe, address _shareToken) public returns (bool);
    function logOrderFilled(IUniverse _universe, address _shareToken, address _filler, bytes32 _orderId, uint256 _numCreatorShares, uint256 _numCreatorTokens, uint256 _numFillerShares, uint256 _numFillerTokens, uint256 _marketCreatorFees, uint256 _reporterFees, uint256 _amountFilled, bytes32 _tradeGroupId) public returns (bool);
    function logCompleteSetsPurchased(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logCompleteSetsSold(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logTradingProceedsClaimed(IUniverse _universe, address _shareToken, address _sender, address _market, uint256 _numShares, uint256 _numPayoutTokens, uint256 _finalTokenBalance) public returns (bool);
    function logUniverseForked() public returns (bool);
    function logFeeWindowTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logDisputeCrowdsourcerTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logShareTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logReputationTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowCreated(IFeeWindow _feeWindow, uint256 _id) public returns (bool);
    function logFeeTokenTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logFeeTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logTimestampSet(uint256 _newTimestamp) public returns (bool);
    function logInitialReporterTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logMarketTransferred(IUniverse _universe, address _from, address _to) public returns (bool);
    function logMarketMailboxTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logEscapeHatchChanged(bool _isOn) public returns (bool);
}

contract IControlled {
    function getController() public view returns (IController);
    function setController(IController _controller) public returns(bool);
}

contract Controlled is IControlled {
    IController internal controller;

    modifier onlyWhitelistedCallers {
        require(controller.assertIsWhitelisted(msg.sender));
        _;
    }

    modifier onlyCaller(bytes32 _key) {
        require(msg.sender == controller.lookup(_key));
        _;
    }

    modifier onlyControllerCaller {
        require(IController(msg.sender) == controller);
        _;
    }

    modifier onlyInGoodTimes {
        require(controller.stopInEmergency());
        _;
    }

    modifier onlyInBadTimes {
        require(controller.onlyInEmergency());
        _;
    }

    function Controlled() public {
        controller = IController(msg.sender);
    }

    function getController() public view returns(IController) {
        return controller;
    }

    function setController(IController _controller) public onlyControllerCaller returns(bool) {
        controller = _controller;
        return true;
    }
}

contract IController {
    function assertIsWhitelisted(address _target) public view returns(bool);
    function lookup(bytes32 _key) public view returns(address);
    function stopInEmergency() public view returns(bool);
    function onlyInEmergency() public view returns(bool);
    function getAugur() public view returns (IAugur);
    function getTimestamp() public view returns (uint256);
}

contract DelegationTarget is Controlled {
    bytes32 public controllerLookupName;
}

contract Delegator is DelegationTarget {
    function Delegator(IController _controller, bytes32 _controllerLookupName) public {
        controller = _controller;
        controllerLookupName = _controllerLookupName;
    }

    function() external payable {
        // Do nothing if we haven't properly set up the delegator to delegate calls
        if (controllerLookupName == 0) {
            return;
        }

        // Get the delegation target contract
        address _target = controller.lookup(controllerLookupName);

        assembly {
            //0x40 is the address where the next free memory slot is stored in Solidity
            let _calldataMemoryOffset := mload(0x40)
            // new "memory end" including padding. The bitwise operations here ensure we get rounded up to the nearest 32 byte boundary
            let _size := and(add(calldatasize, 0x1f), not(0x1f))
            // Update the pointer at 0x40 to point at new free memory location so any theoretical allocation doesn't stomp our memory in this call
            mstore(0x40, add(_calldataMemoryOffset, _size))
            // Copy method signature and parameters of this call into memory
            calldatacopy(_calldataMemoryOffset, 0x0, calldatasize)
            // Call the actual method via delegation
            let _retval := delegatecall(gas, _target, _calldataMemoryOffset, calldatasize, 0, 0)
            switch _retval
            case 0 {
                // 0 == it threw, so we revert
                revert(0,0)
            } default {
                // If the call succeeded return the return data from the delegate call
                let _returndataMemoryOffset := mload(0x40)
                // Update the pointer at 0x40 again to point at new free memory location so any theoretical allocation doesn't stomp our memory in this call
                mstore(0x40, add(_returndataMemoryOffset, returndatasize))
                returndatacopy(_returndataMemoryOffset, 0x0, returndatasize)
                return(_returndataMemoryOffset, returndatasize)
            }
        }
    }
}

contract IOwnable {
    function getOwner() public view returns (address);
    function transferOwnership(address newOwner) public returns (bool);
}

contract ITyped {
    function getTypeName() public view returns (bytes32);
}

contract Initializable {
    bool private initialized = false;

    modifier afterInitialized {
        require(initialized);
        _;
    }

    modifier beforeInitialized {
        require(!initialized);
        _;
    }

    function endInitialization() internal beforeInitialized returns (bool) {
        initialized = true;
        return true;
    }

    function getInitialized() public view returns (bool) {
        return initialized;
    }
}

library SafeMathUint256 {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a * b;
        require(a == 0 || c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

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

    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a <= b) {
            return a;
        } else {
            return b;
        }
    }

    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a >= b) {
            return a;
        } else {
            return b;
        }
    }

    function getUint256Min() internal pure returns (uint256) {
        return 0;
    }

    function getUint256Max() internal pure returns (uint256) {
        return 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
    }

    function isMultipleOf(uint256 a, uint256 b) internal pure returns (bool) {
        return a % b == 0;
    }

    // Float [fixed point] Operations
    function fxpMul(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, b), base);
    }

    function fxpDiv(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, base), b);
    }
}

contract ERC20Basic {
    event Transfer(address indexed from, address indexed to, uint256 value);

    function balanceOf(address _who) public view returns (uint256);
    function transfer(address _to, uint256 _value) public returns (bool);
    function totalSupply() public view returns (uint256);
}

contract ERC20 is ERC20Basic {
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function allowance(address _owner, address _spender) public view returns (uint256);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
    function approve(address _spender, uint256 _value) public returns (bool);
}

contract IFeeToken is ERC20, Initializable {
    function initialize(IFeeWindow _feeWindow) public returns (bool);
    function getFeeWindow() public view returns (IFeeWindow);
    function feeWindowBurn(address _target, uint256 _amount) public returns (bool);
    function mintForReportingParticipant(address _target, uint256 _amount) public returns (bool);
}

contract IFeeWindow is ITyped, ERC20 {
    function initialize(IUniverse _universe, uint256 _feeWindowId) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getStartTime() public view returns (uint256);
    function getEndTime() public view returns (uint256);
    function getNumMarkets() public view returns (uint256);
    function getNumInvalidMarkets() public view returns (uint256);
    function getNumIncorrectDesignatedReportMarkets() public view returns (uint256);
    function getNumDesignatedReportNoShows() public view returns (uint256);
    function getFeeToken() public view returns (IFeeToken);
    function isActive() public view returns (bool);
    function isOver() public view returns (bool);
    function onMarketFinalized() public returns (bool);
    function buy(uint256 _attotokens) public returns (bool);
    function redeem(address _sender) public returns (bool);
    function redeemForReportingParticipant() public returns (bool);
    function mintFeeTokens(uint256 _amount) public returns (bool);
    function trustedUniverseBuy(address _buyer, uint256 _attotokens) public returns (bool);
}

contract IMailbox {
    function initialize(address _owner, IMarket _market) public returns (bool);
    function depositEther() public payable returns (bool);
}

contract IMarket is ITyped, IOwnable {
    enum MarketType {
        YES_NO,
        CATEGORICAL,
        SCALAR
    }

    function initialize(IUniverse _universe, uint256 _endTime, uint256 _feePerEthInAttoeth, ICash _cash, address _designatedReporterAddress, address _creator, uint256 _numOutcomes, uint256 _numTicks) public payable returns (bool _success);
    function derivePayoutDistributionHash(uint256[] _payoutNumerators, bool _invalid) public view returns (bytes32);
    function getUniverse() public view returns (IUniverse);
    function getFeeWindow() public view returns (IFeeWindow);
    function getNumberOfOutcomes() public view returns (uint256);
    function getNumTicks() public view returns (uint256);
    function getDenominationToken() public view returns (ICash);
    function getShareToken(uint256 _outcome)  public view returns (IShareToken);
    function getMarketCreatorSettlementFeeDivisor() public view returns (uint256);
    function getForkingMarket() public view returns (IMarket _market);
    function getEndTime() public view returns (uint256);
    function getMarketCreatorMailbox() public view returns (IMailbox);
    function getWinningPayoutDistributionHash() public view returns (bytes32);
    function getWinningPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getReputationToken() public view returns (IReputationToken);
    function getFinalizationTime() public view returns (uint256);
    function getInitialReporterAddress() public view returns (address);
    function deriveMarketCreatorFeeAmount(uint256 _amount) public view returns (uint256);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isInvalid() public view returns (bool);
    function finalize() public returns (bool);
    function designatedReporterWasCorrect() public view returns (bool);
    function designatedReporterShowed() public view returns (bool);
    function isFinalized() public view returns (bool);
    function finalizeFork() public returns (bool);
    function assertBalances() public view returns (bool);
}

contract IReportingParticipant {
    function getStake() public view returns (uint256);
    function getPayoutDistributionHash() public view returns (bytes32);
    function liquidateLosing() public returns (bool);
    function redeem(address _redeemer) public returns (bool);
    function isInvalid() public view returns (bool);
    function isDisavowed() public view returns (bool);
    function migrate() public returns (bool);
    function getPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getMarket() public view returns (IMarket);
    function getSize() public view returns (uint256);
}

contract IDisputeCrowdsourcer is IReportingParticipant, ERC20 {
    function initialize(IMarket market, uint256 _size, bytes32 _payoutDistributionHash, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function contribute(address _participant, uint256 _amount) public returns (uint256);
}

contract IReputationToken is ITyped, ERC20 {
    function initialize(IUniverse _universe) public returns (bool);
    function migrateOut(IReputationToken _destination, uint256 _attotokens) public returns (bool);
    function migrateIn(address _reporter, uint256 _attotokens) public returns (bool);
    function trustedReportingParticipantTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedMarketTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFeeWindowTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedUniverseTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getTotalMigrated() public view returns (uint256);
    function getTotalTheoreticalSupply() public view returns (uint256);
    function mintForReportingParticipant(uint256 _amountMigrated) public returns (bool);
}

contract IUniverse is ITyped {
    function initialize(IUniverse _parentUniverse, bytes32 _parentPayoutDistributionHash) external returns (bool);
    function fork() public returns (bool);
    function getParentUniverse() public view returns (IUniverse);
    function createChildUniverse(uint256[] _parentPayoutNumerators, bool _invalid) public returns (IUniverse);
    function getChildUniverse(bytes32 _parentPayoutDistributionHash) public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getForkingMarket() public view returns (IMarket);
    function getForkEndTime() public view returns (uint256);
    function getForkReputationGoal() public view returns (uint256);
    function getParentPayoutDistributionHash() public view returns (bytes32);
    function getDisputeRoundDurationInSeconds() public view returns (uint256);
    function getOrCreateFeeWindowByTimestamp(uint256 _timestamp) public returns (IFeeWindow);
    function getOrCreateCurrentFeeWindow() public returns (IFeeWindow);
    function getOrCreateNextFeeWindow() public returns (IFeeWindow);
    function getOpenInterestInAttoEth() public view returns (uint256);
    function getRepMarketCapInAttoeth() public view returns (uint256);
    function getTargetRepMarketCapInAttoeth() public view returns (uint256);
    function getOrCacheValidityBond() public returns (uint256);
    function getOrCacheDesignatedReportStake() public returns (uint256);
    function getOrCacheDesignatedReportNoShowBond() public returns (uint256);
    function getOrCacheReportingFeeDivisor() public returns (uint256);
    function getDisputeThresholdForFork() public view returns (uint256);
    function getInitialReportMinValue() public view returns (uint256);
    function calculateFloatingValue(uint256 _badMarkets, uint256 _totalMarkets, uint256 _targetDivisor, uint256 _previousValue, uint256 _defaultValue, uint256 _floor) public pure returns (uint256 _newValue);
    function getOrCacheMarketCreationCost() public returns (uint256);
    function getCurrentFeeWindow() public view returns (IFeeWindow);
    function getOrCreateFeeWindowBefore(IFeeWindow _feeWindow) public returns (IFeeWindow);
    function isParentOf(IUniverse _shadyChild) public view returns (bool);
    function updateTentativeWinningChildUniverse(bytes32 _parentPayoutDistributionHash) public returns (bool);
    function isContainerForFeeWindow(IFeeWindow _shadyTarget) public view returns (bool);
    function isContainerForMarket(IMarket _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForFeeToken(IFeeToken _shadyTarget) public view returns (bool);
    function addMarketTo() public returns (bool);
    function removeMarketFrom() public returns (bool);
    function decrementOpenInterest(uint256 _amount) public returns (bool);
    function decrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function incrementOpenInterest(uint256 _amount) public returns (bool);
    function incrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function getWinningChildUniverse() public view returns (IUniverse);
    function isForking() public view returns (bool);
}

contract ICash is ERC20 {
    function depositEther() external payable returns(bool);
    function depositEtherFor(address _to) external payable returns(bool);
    function withdrawEther(uint256 _amount) external returns(bool);
    function withdrawEtherTo(address _to, uint256 _amount) external returns(bool);
    function withdrawEtherToIfPossible(address _to, uint256 _amount) external returns (bool);
}

contract IOrders {
    function saveOrder(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _betterOrderId, bytes32 _worseOrderId, bytes32 _tradeGroupId) public returns (bytes32 _orderId);
    function removeOrder(bytes32 _orderId) public returns (bool);
    function getMarket(bytes32 _orderId) public view returns (IMarket);
    function getOrderType(bytes32 _orderId) public view returns (Order.Types);
    function getOutcome(bytes32 _orderId) public view returns (uint256);
    function getAmount(bytes32 _orderId) public view returns (uint256);
    function getPrice(bytes32 _orderId) public view returns (uint256);
    function getOrderCreator(bytes32 _orderId) public view returns (address);
    function getOrderSharesEscrowed(bytes32 _orderId) public view returns (uint256);
    function getOrderMoneyEscrowed(bytes32 _orderId) public view returns (uint256);
    function getBetterOrderId(bytes32 _orderId) public view returns (bytes32);
    function getWorseOrderId(bytes32 _orderId) public view returns (bytes32);
    function getBestOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getWorstOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getLastOutcomePrice(IMarket _market, uint256 _outcome) public view returns (uint256);
    function getOrderId(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _blockNumber, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed) public pure returns (bytes32);
    function getTotalEscrowed(IMarket _market) public view returns (uint256);
    function isBetterPrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function isWorsePrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function assertIsNotBetterPrice(Order.Types _type, uint256 _price, bytes32 _betterOrderId) public view returns (bool);
    function assertIsNotWorsePrice(Order.Types _type, uint256 _price, bytes32 _worseOrderId) public returns (bool);
    function recordFillOrder(bytes32 _orderId, uint256 _sharesFilled, uint256 _tokensFilled) public returns (bool);
    function setPrice(IMarket _market, uint256 _outcome, uint256 _price) external returns (bool);
    function incrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
    function decrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
}

contract IShareToken is ITyped, ERC20 {
    function initialize(IMarket _market, uint256 _outcome) external returns (bool);
    function createShares(address _owner, uint256 _amount) external returns (bool);
    function destroyShares(address, uint256 balance) external returns (bool);
    function getMarket() external view returns (IMarket);
    function getOutcome() external view returns (uint256);
    function trustedOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFillOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedCancelOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
}

library Order {
    using SafeMathUint256 for uint256;

    enum Types {
        Bid, Ask
    }

    enum TradeDirections {
        Long, Short
    }

    struct Data {
        // Contracts
        IOrders orders;
        IMarket market;
        IAugur augur;

        // Order
        bytes32 id;
        address creator;
        uint256 outcome;
        Order.Types orderType;
        uint256 amount;
        uint256 price;
        uint256 sharesEscrowed;
        uint256 moneyEscrowed;
        bytes32 betterOrderId;
        bytes32 worseOrderId;
    }

    //
    // Constructor
    //

    // No validation is needed here as it is simply a librarty function for organizing data
    function create(IController _controller, address _creator, uint256 _outcome, Order.Types _type, uint256 _attoshares, uint256 _price, IMarket _market, bytes32 _betterOrderId, bytes32 _worseOrderId) internal view returns (Data) {
        require(_outcome < _market.getNumberOfOutcomes());
        require(_price < _market.getNumTicks());

        IOrders _orders = IOrders(_controller.lookup("Orders"));
        IAugur _augur = _controller.getAugur();

        return Data({
            orders: _orders,
            market: _market,
            augur: _augur,
            id: 0,
            creator: _creator,
            outcome: _outcome,
            orderType: _type,
            amount: _attoshares,
            price: _price,
            sharesEscrowed: 0,
            moneyEscrowed: 0,
            betterOrderId: _betterOrderId,
            worseOrderId: _worseOrderId
        });
    }

    //
    // "public" functions
    //

    function getOrderId(Order.Data _orderData) internal view returns (bytes32) {
        if (_orderData.id == bytes32(0)) {
            bytes32 _orderId = _orderData.orders.getOrderId(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, block.number, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed);
            require(_orderData.orders.getAmount(_orderId) == 0);
            _orderData.id = _orderId;
        }
        return _orderData.id;
    }

    function getOrderTradingTypeFromMakerDirection(Order.TradeDirections _creatorDirection) internal pure returns (Order.Types) {
        return (_creatorDirection == Order.TradeDirections.Long) ? Order.Types.Bid : Order.Types.Ask;
    }

    function getOrderTradingTypeFromFillerDirection(Order.TradeDirections _fillerDirection) internal pure returns (Order.Types) {
        return (_fillerDirection == Order.TradeDirections.Long) ? Order.Types.Ask : Order.Types.Bid;
    }

    function escrowFunds(Order.Data _orderData) internal returns (bool) {
        if (_orderData.orderType == Order.Types.Ask) {
            return escrowFundsForAsk(_orderData);
        } else if (_orderData.orderType == Order.Types.Bid) {
            return escrowFundsForBid(_orderData);
        }
    }

    function saveOrder(Order.Data _orderData, bytes32 _tradeGroupId) internal returns (bytes32) {
        return _orderData.orders.saveOrder(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed, _orderData.betterOrderId, _orderData.worseOrderId, _tradeGroupId);
    }

    //
    // Private functions
    //

    function escrowFundsForBid(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        uint256 _attosharesToCover = _orderData.amount;
        uint256 _numberOfOutcomes = _orderData.market.getNumberOfOutcomes();

        // Figure out how many almost-complete-sets (just missing `outcome` share) the creator has
        uint256 _attosharesHeld = 2**254;
        for (uint256 _i = 0; _i < _numberOfOutcomes; _i++) {
            if (_i != _orderData.outcome) {
                uint256 _creatorShareTokenBalance = _orderData.market.getShareToken(_i).balanceOf(_orderData.creator);
                _attosharesHeld = SafeMathUint256.min(_creatorShareTokenBalance, _attosharesHeld);
            }
        }

        // Take shares into escrow if they have any almost-complete-sets
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            for (_i = 0; _i < _numberOfOutcomes; _i++) {
                if (_i != _orderData.outcome) {
                    _orderData.market.getShareToken(_i).trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
                }
            }
        }
        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _attosharesToCover.mul(_orderData.price);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }

    function escrowFundsForAsk(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        IShareToken _shareToken = _orderData.market.getShareToken(_orderData.outcome);
        uint256 _attosharesToCover = _orderData.amount;

        // Figure out how many shares of the outcome the creator has
        uint256 _attosharesHeld = _shareToken.balanceOf(_orderData.creator);

        // Take shares in escrow if user has shares
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            _shareToken.trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
        }

        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _orderData.market.getNumTicks().sub(_orderData.price).mul(_attosharesToCover);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }
}

            File 2 of 4: Controller
            pragma solidity 0.4.20;

contract IAugur {
    function createChildUniverse(bytes32 _parentPayoutDistributionHash, uint256[] _parentPayoutNumerators, bool _parentInvalid) public returns (IUniverse);
    function isKnownUniverse(IUniverse _universe) public view returns (bool);
    function trustedTransfer(ERC20 _token, address _from, address _to, uint256 _amount) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, bytes32[] _outcomes, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logInitialReportSubmitted(IUniverse _universe, address _reporter, address _market, uint256 _amountStaked, bool _isDesignatedReporter, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function disputeCrowdsourcerCreated(IUniverse _universe, address _market, address _disputeCrowdsourcer, uint256[] _payoutNumerators, uint256 _size, bool _invalid) public returns (bool);
    function logDisputeCrowdsourcerContribution(IUniverse _universe, address _reporter, address _market, address _disputeCrowdsourcer, uint256 _amountStaked) public returns (bool);
    function logDisputeCrowdsourcerCompleted(IUniverse _universe, address _market, address _disputeCrowdsourcer) public returns (bool);
    function logInitialReporterRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logDisputeCrowdsourcerRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logFeeWindowRedeemed(IUniverse _universe, address _reporter, uint256 _amountRedeemed, uint256 _reportingFeesReceived) public returns (bool);
    function logMarketFinalized(IUniverse _universe) public returns (bool);
    function logMarketMigrated(IMarket _market, IUniverse _originalUniverse) public returns (bool);
    function logReportingParticipantDisavowed(IUniverse _universe, IMarket _market) public returns (bool);
    function logMarketParticipantsDisavowed(IUniverse _universe) public returns (bool);
    function logOrderCanceled(IUniverse _universe, address _shareToken, address _sender, bytes32 _orderId, Order.Types _orderType, uint256 _tokenRefund, uint256 _sharesRefund) public returns (bool);
    function logOrderCreated(Order.Types _orderType, uint256 _amount, uint256 _price, address _creator, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _tradeGroupId, bytes32 _orderId, IUniverse _universe, address _shareToken) public returns (bool);
    function logOrderFilled(IUniverse _universe, address _shareToken, address _filler, bytes32 _orderId, uint256 _numCreatorShares, uint256 _numCreatorTokens, uint256 _numFillerShares, uint256 _numFillerTokens, uint256 _marketCreatorFees, uint256 _reporterFees, uint256 _amountFilled, bytes32 _tradeGroupId) public returns (bool);
    function logCompleteSetsPurchased(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logCompleteSetsSold(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logTradingProceedsClaimed(IUniverse _universe, address _shareToken, address _sender, address _market, uint256 _numShares, uint256 _numPayoutTokens, uint256 _finalTokenBalance) public returns (bool);
    function logUniverseForked() public returns (bool);
    function logFeeWindowTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logDisputeCrowdsourcerTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logShareTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logReputationTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowCreated(IFeeWindow _feeWindow, uint256 _id) public returns (bool);
    function logFeeTokenTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logFeeTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logTimestampSet(uint256 _newTimestamp) public returns (bool);
    function logInitialReporterTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logMarketTransferred(IUniverse _universe, address _from, address _to) public returns (bool);
    function logMarketMailboxTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logEscapeHatchChanged(bool _isOn) public returns (bool);
}

contract IControlled {
    function getController() public view returns (IController);
    function setController(IController _controller) public returns(bool);
}

contract Controlled is IControlled {
    IController internal controller;

    modifier onlyWhitelistedCallers {
        require(controller.assertIsWhitelisted(msg.sender));
        _;
    }

    modifier onlyCaller(bytes32 _key) {
        require(msg.sender == controller.lookup(_key));
        _;
    }

    modifier onlyControllerCaller {
        require(IController(msg.sender) == controller);
        _;
    }

    modifier onlyInGoodTimes {
        require(controller.stopInEmergency());
        _;
    }

    modifier onlyInBadTimes {
        require(controller.onlyInEmergency());
        _;
    }

    function Controlled() public {
        controller = IController(msg.sender);
    }

    function getController() public view returns(IController) {
        return controller;
    }

    function setController(IController _controller) public onlyControllerCaller returns(bool) {
        controller = _controller;
        return true;
    }
}

contract IController {
    function assertIsWhitelisted(address _target) public view returns(bool);
    function lookup(bytes32 _key) public view returns(address);
    function stopInEmergency() public view returns(bool);
    function onlyInEmergency() public view returns(bool);
    function getAugur() public view returns (IAugur);
    function getTimestamp() public view returns (uint256);
}

contract Controller is IController {
    struct ContractDetails {
        bytes32 name;
        address contractAddress;
        bytes20 commitHash;
        bytes32 bytecodeHash;
    }

    address public owner;
    mapping(address => bool) public whitelist;
    mapping(bytes32 => ContractDetails) public registry;
    bool public stopped = false;

    modifier onlyOwnerCaller {
        require(msg.sender == owner);
        _;
    }

    modifier onlyInBadTimes {
        require(stopped);
        _;
    }

    modifier onlyInGoodTimes {
        require(!stopped);
        _;
    }

    function Controller() public {
        owner = msg.sender;
        whitelist[msg.sender] = true;
    }

    /*
     * Contract Administration
     */

    function addToWhitelist(address _target) public onlyOwnerCaller returns (bool) {
        whitelist[_target] = true;
        return true;
    }

    function removeFromWhitelist(address _target) public onlyOwnerCaller returns (bool) {
        whitelist[_target] = false;
        return true;
    }

    function assertIsWhitelisted(address _target) public view returns (bool) {
        require(whitelist[_target]);
        return true;
    }

    function registerContract(bytes32 _key, address _address, bytes20 _commitHash, bytes32 _bytecodeHash) public onlyOwnerCaller returns (bool) {
        require(registry[_key].contractAddress == address(0));
        registry[_key] = ContractDetails(_key, _address, _commitHash, _bytecodeHash);
        return true;
    }

    function getContractDetails(bytes32 _key) public view returns (address, bytes20, bytes32) {
        ContractDetails storage _details = registry[_key];
        return (_details.contractAddress, _details.commitHash, _details.bytecodeHash);
    }

    function lookup(bytes32 _key) public view returns (address) {
        return registry[_key].contractAddress;
    }

    function transferOwnership(address _newOwner) public onlyOwnerCaller returns (bool) {
        owner = _newOwner;
        return true;
    }

    function emergencyStop() public onlyOwnerCaller onlyInGoodTimes returns (bool) {
        getAugur().logEscapeHatchChanged(true);
        stopped = true;
        return true;
    }

    function stopInEmergency() public view onlyInGoodTimes returns (bool) {
        return true;
    }

    function onlyInEmergency() public view onlyInBadTimes returns (bool) {
        return true;
    }

    /*
     * Helper functions
     */

    function getAugur() public view returns (IAugur) {
        return IAugur(lookup("Augur"));
    }

    function getTimestamp() public view returns (uint256) {
        return ITime(lookup("Time")).getTimestamp();
    }
}

contract IOwnable {
    function getOwner() public view returns (address);
    function transferOwnership(address newOwner) public returns (bool);
}

contract ITyped {
    function getTypeName() public view returns (bytes32);
}

contract ITime is Controlled, ITyped {
    function getTimestamp() external view returns (uint256);
}

contract Initializable {
    bool private initialized = false;

    modifier afterInitialized {
        require(initialized);
        _;
    }

    modifier beforeInitialized {
        require(!initialized);
        _;
    }

    function endInitialization() internal beforeInitialized returns (bool) {
        initialized = true;
        return true;
    }

    function getInitialized() public view returns (bool) {
        return initialized;
    }
}

library SafeMathUint256 {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a * b;
        require(a == 0 || c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

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

    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a <= b) {
            return a;
        } else {
            return b;
        }
    }

    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a >= b) {
            return a;
        } else {
            return b;
        }
    }

    function getUint256Min() internal pure returns (uint256) {
        return 0;
    }

    function getUint256Max() internal pure returns (uint256) {
        return 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
    }

    function isMultipleOf(uint256 a, uint256 b) internal pure returns (bool) {
        return a % b == 0;
    }

    // Float [fixed point] Operations
    function fxpMul(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, b), base);
    }

    function fxpDiv(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, base), b);
    }
}

contract ERC20Basic {
    event Transfer(address indexed from, address indexed to, uint256 value);

    function balanceOf(address _who) public view returns (uint256);
    function transfer(address _to, uint256 _value) public returns (bool);
    function totalSupply() public view returns (uint256);
}

contract ERC20 is ERC20Basic {
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function allowance(address _owner, address _spender) public view returns (uint256);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
    function approve(address _spender, uint256 _value) public returns (bool);
}

contract IFeeToken is ERC20, Initializable {
    function initialize(IFeeWindow _feeWindow) public returns (bool);
    function getFeeWindow() public view returns (IFeeWindow);
    function feeWindowBurn(address _target, uint256 _amount) public returns (bool);
    function mintForReportingParticipant(address _target, uint256 _amount) public returns (bool);
}

contract IFeeWindow is ITyped, ERC20 {
    function initialize(IUniverse _universe, uint256 _feeWindowId) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getStartTime() public view returns (uint256);
    function getEndTime() public view returns (uint256);
    function getNumMarkets() public view returns (uint256);
    function getNumInvalidMarkets() public view returns (uint256);
    function getNumIncorrectDesignatedReportMarkets() public view returns (uint256);
    function getNumDesignatedReportNoShows() public view returns (uint256);
    function getFeeToken() public view returns (IFeeToken);
    function isActive() public view returns (bool);
    function isOver() public view returns (bool);
    function onMarketFinalized() public returns (bool);
    function buy(uint256 _attotokens) public returns (bool);
    function redeem(address _sender) public returns (bool);
    function redeemForReportingParticipant() public returns (bool);
    function mintFeeTokens(uint256 _amount) public returns (bool);
    function trustedUniverseBuy(address _buyer, uint256 _attotokens) public returns (bool);
}

contract IMailbox {
    function initialize(address _owner, IMarket _market) public returns (bool);
    function depositEther() public payable returns (bool);
}

contract IMarket is ITyped, IOwnable {
    enum MarketType {
        YES_NO,
        CATEGORICAL,
        SCALAR
    }

    function initialize(IUniverse _universe, uint256 _endTime, uint256 _feePerEthInAttoeth, ICash _cash, address _designatedReporterAddress, address _creator, uint256 _numOutcomes, uint256 _numTicks) public payable returns (bool _success);
    function derivePayoutDistributionHash(uint256[] _payoutNumerators, bool _invalid) public view returns (bytes32);
    function getUniverse() public view returns (IUniverse);
    function getFeeWindow() public view returns (IFeeWindow);
    function getNumberOfOutcomes() public view returns (uint256);
    function getNumTicks() public view returns (uint256);
    function getDenominationToken() public view returns (ICash);
    function getShareToken(uint256 _outcome)  public view returns (IShareToken);
    function getMarketCreatorSettlementFeeDivisor() public view returns (uint256);
    function getForkingMarket() public view returns (IMarket _market);
    function getEndTime() public view returns (uint256);
    function getMarketCreatorMailbox() public view returns (IMailbox);
    function getWinningPayoutDistributionHash() public view returns (bytes32);
    function getWinningPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getReputationToken() public view returns (IReputationToken);
    function getFinalizationTime() public view returns (uint256);
    function getInitialReporterAddress() public view returns (address);
    function deriveMarketCreatorFeeAmount(uint256 _amount) public view returns (uint256);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isInvalid() public view returns (bool);
    function finalize() public returns (bool);
    function designatedReporterWasCorrect() public view returns (bool);
    function designatedReporterShowed() public view returns (bool);
    function isFinalized() public view returns (bool);
    function finalizeFork() public returns (bool);
    function assertBalances() public view returns (bool);
}

contract IReportingParticipant {
    function getStake() public view returns (uint256);
    function getPayoutDistributionHash() public view returns (bytes32);
    function liquidateLosing() public returns (bool);
    function redeem(address _redeemer) public returns (bool);
    function isInvalid() public view returns (bool);
    function isDisavowed() public view returns (bool);
    function migrate() public returns (bool);
    function getPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getMarket() public view returns (IMarket);
    function getSize() public view returns (uint256);
}

contract IDisputeCrowdsourcer is IReportingParticipant, ERC20 {
    function initialize(IMarket market, uint256 _size, bytes32 _payoutDistributionHash, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function contribute(address _participant, uint256 _amount) public returns (uint256);
}

contract IReputationToken is ITyped, ERC20 {
    function initialize(IUniverse _universe) public returns (bool);
    function migrateOut(IReputationToken _destination, uint256 _attotokens) public returns (bool);
    function migrateIn(address _reporter, uint256 _attotokens) public returns (bool);
    function trustedReportingParticipantTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedMarketTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFeeWindowTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedUniverseTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getTotalMigrated() public view returns (uint256);
    function getTotalTheoreticalSupply() public view returns (uint256);
    function mintForReportingParticipant(uint256 _amountMigrated) public returns (bool);
}

contract IUniverse is ITyped {
    function initialize(IUniverse _parentUniverse, bytes32 _parentPayoutDistributionHash) external returns (bool);
    function fork() public returns (bool);
    function getParentUniverse() public view returns (IUniverse);
    function createChildUniverse(uint256[] _parentPayoutNumerators, bool _invalid) public returns (IUniverse);
    function getChildUniverse(bytes32 _parentPayoutDistributionHash) public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getForkingMarket() public view returns (IMarket);
    function getForkEndTime() public view returns (uint256);
    function getForkReputationGoal() public view returns (uint256);
    function getParentPayoutDistributionHash() public view returns (bytes32);
    function getDisputeRoundDurationInSeconds() public view returns (uint256);
    function getOrCreateFeeWindowByTimestamp(uint256 _timestamp) public returns (IFeeWindow);
    function getOrCreateCurrentFeeWindow() public returns (IFeeWindow);
    function getOrCreateNextFeeWindow() public returns (IFeeWindow);
    function getOpenInterestInAttoEth() public view returns (uint256);
    function getRepMarketCapInAttoeth() public view returns (uint256);
    function getTargetRepMarketCapInAttoeth() public view returns (uint256);
    function getOrCacheValidityBond() public returns (uint256);
    function getOrCacheDesignatedReportStake() public returns (uint256);
    function getOrCacheDesignatedReportNoShowBond() public returns (uint256);
    function getOrCacheReportingFeeDivisor() public returns (uint256);
    function getDisputeThresholdForFork() public view returns (uint256);
    function getInitialReportMinValue() public view returns (uint256);
    function calculateFloatingValue(uint256 _badMarkets, uint256 _totalMarkets, uint256 _targetDivisor, uint256 _previousValue, uint256 _defaultValue, uint256 _floor) public pure returns (uint256 _newValue);
    function getOrCacheMarketCreationCost() public returns (uint256);
    function getCurrentFeeWindow() public view returns (IFeeWindow);
    function getOrCreateFeeWindowBefore(IFeeWindow _feeWindow) public returns (IFeeWindow);
    function isParentOf(IUniverse _shadyChild) public view returns (bool);
    function updateTentativeWinningChildUniverse(bytes32 _parentPayoutDistributionHash) public returns (bool);
    function isContainerForFeeWindow(IFeeWindow _shadyTarget) public view returns (bool);
    function isContainerForMarket(IMarket _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForFeeToken(IFeeToken _shadyTarget) public view returns (bool);
    function addMarketTo() public returns (bool);
    function removeMarketFrom() public returns (bool);
    function decrementOpenInterest(uint256 _amount) public returns (bool);
    function decrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function incrementOpenInterest(uint256 _amount) public returns (bool);
    function incrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function getWinningChildUniverse() public view returns (IUniverse);
    function isForking() public view returns (bool);
}

contract ICash is ERC20 {
    function depositEther() external payable returns(bool);
    function depositEtherFor(address _to) external payable returns(bool);
    function withdrawEther(uint256 _amount) external returns(bool);
    function withdrawEtherTo(address _to, uint256 _amount) external returns(bool);
    function withdrawEtherToIfPossible(address _to, uint256 _amount) external returns (bool);
}

contract IOrders {
    function saveOrder(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _betterOrderId, bytes32 _worseOrderId, bytes32 _tradeGroupId) public returns (bytes32 _orderId);
    function removeOrder(bytes32 _orderId) public returns (bool);
    function getMarket(bytes32 _orderId) public view returns (IMarket);
    function getOrderType(bytes32 _orderId) public view returns (Order.Types);
    function getOutcome(bytes32 _orderId) public view returns (uint256);
    function getAmount(bytes32 _orderId) public view returns (uint256);
    function getPrice(bytes32 _orderId) public view returns (uint256);
    function getOrderCreator(bytes32 _orderId) public view returns (address);
    function getOrderSharesEscrowed(bytes32 _orderId) public view returns (uint256);
    function getOrderMoneyEscrowed(bytes32 _orderId) public view returns (uint256);
    function getBetterOrderId(bytes32 _orderId) public view returns (bytes32);
    function getWorseOrderId(bytes32 _orderId) public view returns (bytes32);
    function getBestOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getWorstOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getLastOutcomePrice(IMarket _market, uint256 _outcome) public view returns (uint256);
    function getOrderId(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _blockNumber, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed) public pure returns (bytes32);
    function getTotalEscrowed(IMarket _market) public view returns (uint256);
    function isBetterPrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function isWorsePrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function assertIsNotBetterPrice(Order.Types _type, uint256 _price, bytes32 _betterOrderId) public view returns (bool);
    function assertIsNotWorsePrice(Order.Types _type, uint256 _price, bytes32 _worseOrderId) public returns (bool);
    function recordFillOrder(bytes32 _orderId, uint256 _sharesFilled, uint256 _tokensFilled) public returns (bool);
    function setPrice(IMarket _market, uint256 _outcome, uint256 _price) external returns (bool);
    function incrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
    function decrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
}

contract IShareToken is ITyped, ERC20 {
    function initialize(IMarket _market, uint256 _outcome) external returns (bool);
    function createShares(address _owner, uint256 _amount) external returns (bool);
    function destroyShares(address, uint256 balance) external returns (bool);
    function getMarket() external view returns (IMarket);
    function getOutcome() external view returns (uint256);
    function trustedOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFillOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedCancelOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
}

library Order {
    using SafeMathUint256 for uint256;

    enum Types {
        Bid, Ask
    }

    enum TradeDirections {
        Long, Short
    }

    struct Data {
        // Contracts
        IOrders orders;
        IMarket market;
        IAugur augur;

        // Order
        bytes32 id;
        address creator;
        uint256 outcome;
        Order.Types orderType;
        uint256 amount;
        uint256 price;
        uint256 sharesEscrowed;
        uint256 moneyEscrowed;
        bytes32 betterOrderId;
        bytes32 worseOrderId;
    }

    //
    // Constructor
    //

    // No validation is needed here as it is simply a librarty function for organizing data
    function create(IController _controller, address _creator, uint256 _outcome, Order.Types _type, uint256 _attoshares, uint256 _price, IMarket _market, bytes32 _betterOrderId, bytes32 _worseOrderId) internal view returns (Data) {
        require(_outcome < _market.getNumberOfOutcomes());
        require(_price < _market.getNumTicks());

        IOrders _orders = IOrders(_controller.lookup("Orders"));
        IAugur _augur = _controller.getAugur();

        return Data({
            orders: _orders,
            market: _market,
            augur: _augur,
            id: 0,
            creator: _creator,
            outcome: _outcome,
            orderType: _type,
            amount: _attoshares,
            price: _price,
            sharesEscrowed: 0,
            moneyEscrowed: 0,
            betterOrderId: _betterOrderId,
            worseOrderId: _worseOrderId
        });
    }

    //
    // "public" functions
    //

    function getOrderId(Order.Data _orderData) internal view returns (bytes32) {
        if (_orderData.id == bytes32(0)) {
            bytes32 _orderId = _orderData.orders.getOrderId(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, block.number, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed);
            require(_orderData.orders.getAmount(_orderId) == 0);
            _orderData.id = _orderId;
        }
        return _orderData.id;
    }

    function getOrderTradingTypeFromMakerDirection(Order.TradeDirections _creatorDirection) internal pure returns (Order.Types) {
        return (_creatorDirection == Order.TradeDirections.Long) ? Order.Types.Bid : Order.Types.Ask;
    }

    function getOrderTradingTypeFromFillerDirection(Order.TradeDirections _fillerDirection) internal pure returns (Order.Types) {
        return (_fillerDirection == Order.TradeDirections.Long) ? Order.Types.Ask : Order.Types.Bid;
    }

    function escrowFunds(Order.Data _orderData) internal returns (bool) {
        if (_orderData.orderType == Order.Types.Ask) {
            return escrowFundsForAsk(_orderData);
        } else if (_orderData.orderType == Order.Types.Bid) {
            return escrowFundsForBid(_orderData);
        }
    }

    function saveOrder(Order.Data _orderData, bytes32 _tradeGroupId) internal returns (bytes32) {
        return _orderData.orders.saveOrder(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed, _orderData.betterOrderId, _orderData.worseOrderId, _tradeGroupId);
    }

    //
    // Private functions
    //

    function escrowFundsForBid(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        uint256 _attosharesToCover = _orderData.amount;
        uint256 _numberOfOutcomes = _orderData.market.getNumberOfOutcomes();

        // Figure out how many almost-complete-sets (just missing `outcome` share) the creator has
        uint256 _attosharesHeld = 2**254;
        for (uint256 _i = 0; _i < _numberOfOutcomes; _i++) {
            if (_i != _orderData.outcome) {
                uint256 _creatorShareTokenBalance = _orderData.market.getShareToken(_i).balanceOf(_orderData.creator);
                _attosharesHeld = SafeMathUint256.min(_creatorShareTokenBalance, _attosharesHeld);
            }
        }

        // Take shares into escrow if they have any almost-complete-sets
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            for (_i = 0; _i < _numberOfOutcomes; _i++) {
                if (_i != _orderData.outcome) {
                    _orderData.market.getShareToken(_i).trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
                }
            }
        }
        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _attosharesToCover.mul(_orderData.price);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }

    function escrowFundsForAsk(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        IShareToken _shareToken = _orderData.market.getShareToken(_orderData.outcome);
        uint256 _attosharesToCover = _orderData.amount;

        // Figure out how many shares of the outcome the creator has
        uint256 _attosharesHeld = _shareToken.balanceOf(_orderData.creator);

        // Take shares in escrow if user has shares
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            _shareToken.trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
        }

        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _orderData.market.getNumTicks().sub(_orderData.price).mul(_attosharesToCover);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }
}

            File 3 of 4: Mailbox
            pragma solidity 0.4.20;

contract IAugur {
    function createChildUniverse(bytes32 _parentPayoutDistributionHash, uint256[] _parentPayoutNumerators, bool _parentInvalid) public returns (IUniverse);
    function isKnownUniverse(IUniverse _universe) public view returns (bool);
    function trustedTransfer(ERC20 _token, address _from, address _to, uint256 _amount) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, bytes32[] _outcomes, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logInitialReportSubmitted(IUniverse _universe, address _reporter, address _market, uint256 _amountStaked, bool _isDesignatedReporter, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function disputeCrowdsourcerCreated(IUniverse _universe, address _market, address _disputeCrowdsourcer, uint256[] _payoutNumerators, uint256 _size, bool _invalid) public returns (bool);
    function logDisputeCrowdsourcerContribution(IUniverse _universe, address _reporter, address _market, address _disputeCrowdsourcer, uint256 _amountStaked) public returns (bool);
    function logDisputeCrowdsourcerCompleted(IUniverse _universe, address _market, address _disputeCrowdsourcer) public returns (bool);
    function logInitialReporterRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logDisputeCrowdsourcerRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logFeeWindowRedeemed(IUniverse _universe, address _reporter, uint256 _amountRedeemed, uint256 _reportingFeesReceived) public returns (bool);
    function logMarketFinalized(IUniverse _universe) public returns (bool);
    function logMarketMigrated(IMarket _market, IUniverse _originalUniverse) public returns (bool);
    function logReportingParticipantDisavowed(IUniverse _universe, IMarket _market) public returns (bool);
    function logMarketParticipantsDisavowed(IUniverse _universe) public returns (bool);
    function logOrderCanceled(IUniverse _universe, address _shareToken, address _sender, bytes32 _orderId, Order.Types _orderType, uint256 _tokenRefund, uint256 _sharesRefund) public returns (bool);
    function logOrderCreated(Order.Types _orderType, uint256 _amount, uint256 _price, address _creator, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _tradeGroupId, bytes32 _orderId, IUniverse _universe, address _shareToken) public returns (bool);
    function logOrderFilled(IUniverse _universe, address _shareToken, address _filler, bytes32 _orderId, uint256 _numCreatorShares, uint256 _numCreatorTokens, uint256 _numFillerShares, uint256 _numFillerTokens, uint256 _marketCreatorFees, uint256 _reporterFees, uint256 _amountFilled, bytes32 _tradeGroupId) public returns (bool);
    function logCompleteSetsPurchased(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logCompleteSetsSold(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logTradingProceedsClaimed(IUniverse _universe, address _shareToken, address _sender, address _market, uint256 _numShares, uint256 _numPayoutTokens, uint256 _finalTokenBalance) public returns (bool);
    function logUniverseForked() public returns (bool);
    function logFeeWindowTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logDisputeCrowdsourcerTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logShareTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logReputationTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowCreated(IFeeWindow _feeWindow, uint256 _id) public returns (bool);
    function logFeeTokenTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logFeeTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logTimestampSet(uint256 _newTimestamp) public returns (bool);
    function logInitialReporterTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logMarketTransferred(IUniverse _universe, address _from, address _to) public returns (bool);
    function logMarketMailboxTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logEscapeHatchChanged(bool _isOn) public returns (bool);
}

contract IControlled {
    function getController() public view returns (IController);
    function setController(IController _controller) public returns(bool);
}

contract Controlled is IControlled {
    IController internal controller;

    modifier onlyWhitelistedCallers {
        require(controller.assertIsWhitelisted(msg.sender));
        _;
    }

    modifier onlyCaller(bytes32 _key) {
        require(msg.sender == controller.lookup(_key));
        _;
    }

    modifier onlyControllerCaller {
        require(IController(msg.sender) == controller);
        _;
    }

    modifier onlyInGoodTimes {
        require(controller.stopInEmergency());
        _;
    }

    modifier onlyInBadTimes {
        require(controller.onlyInEmergency());
        _;
    }

    function Controlled() public {
        controller = IController(msg.sender);
    }

    function getController() public view returns(IController) {
        return controller;
    }

    function setController(IController _controller) public onlyControllerCaller returns(bool) {
        controller = _controller;
        return true;
    }
}

contract IController {
    function assertIsWhitelisted(address _target) public view returns(bool);
    function lookup(bytes32 _key) public view returns(address);
    function stopInEmergency() public view returns(bool);
    function onlyInEmergency() public view returns(bool);
    function getAugur() public view returns (IAugur);
    function getTimestamp() public view returns (uint256);
}

contract DelegationTarget is Controlled {
    bytes32 public controllerLookupName;
}

contract IOwnable {
    function getOwner() public view returns (address);
    function transferOwnership(address newOwner) public returns (bool);
}

contract ITyped {
    function getTypeName() public view returns (bytes32);
}

contract Initializable {
    bool private initialized = false;

    modifier afterInitialized {
        require(initialized);
        _;
    }

    modifier beforeInitialized {
        require(!initialized);
        _;
    }

    function endInitialization() internal beforeInitialized returns (bool) {
        initialized = true;
        return true;
    }

    function getInitialized() public view returns (bool) {
        return initialized;
    }
}

contract Ownable is IOwnable {
    address internal owner;

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

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

    function getOwner() public view returns (address) {
        return 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) public onlyOwner returns (bool) {
        if (_newOwner != address(0)) {
            onTransferOwnership(owner, _newOwner);
            owner = _newOwner;
        }
        return true;
    }

    // Subclasses of this token may want to send additional logs through the centralized Augur log emitter contract
    function onTransferOwnership(address, address) internal returns (bool);
}

library SafeMathUint256 {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a * b;
        require(a == 0 || c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

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

    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a <= b) {
            return a;
        } else {
            return b;
        }
    }

    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a >= b) {
            return a;
        } else {
            return b;
        }
    }

    function getUint256Min() internal pure returns (uint256) {
        return 0;
    }

    function getUint256Max() internal pure returns (uint256) {
        return 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
    }

    function isMultipleOf(uint256 a, uint256 b) internal pure returns (bool) {
        return a % b == 0;
    }

    // Float [fixed point] Operations
    function fxpMul(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, b), base);
    }

    function fxpDiv(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, base), b);
    }
}

contract ERC20Basic {
    event Transfer(address indexed from, address indexed to, uint256 value);

    function balanceOf(address _who) public view returns (uint256);
    function transfer(address _to, uint256 _value) public returns (bool);
    function totalSupply() public view returns (uint256);
}

contract ERC20 is ERC20Basic {
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function allowance(address _owner, address _spender) public view returns (uint256);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
    function approve(address _spender, uint256 _value) public returns (bool);
}

contract IFeeToken is ERC20, Initializable {
    function initialize(IFeeWindow _feeWindow) public returns (bool);
    function getFeeWindow() public view returns (IFeeWindow);
    function feeWindowBurn(address _target, uint256 _amount) public returns (bool);
    function mintForReportingParticipant(address _target, uint256 _amount) public returns (bool);
}

contract IFeeWindow is ITyped, ERC20 {
    function initialize(IUniverse _universe, uint256 _feeWindowId) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getStartTime() public view returns (uint256);
    function getEndTime() public view returns (uint256);
    function getNumMarkets() public view returns (uint256);
    function getNumInvalidMarkets() public view returns (uint256);
    function getNumIncorrectDesignatedReportMarkets() public view returns (uint256);
    function getNumDesignatedReportNoShows() public view returns (uint256);
    function getFeeToken() public view returns (IFeeToken);
    function isActive() public view returns (bool);
    function isOver() public view returns (bool);
    function onMarketFinalized() public returns (bool);
    function buy(uint256 _attotokens) public returns (bool);
    function redeem(address _sender) public returns (bool);
    function redeemForReportingParticipant() public returns (bool);
    function mintFeeTokens(uint256 _amount) public returns (bool);
    function trustedUniverseBuy(address _buyer, uint256 _attotokens) public returns (bool);
}

contract IMailbox {
    function initialize(address _owner, IMarket _market) public returns (bool);
    function depositEther() public payable returns (bool);
}

contract IMarket is ITyped, IOwnable {
    enum MarketType {
        YES_NO,
        CATEGORICAL,
        SCALAR
    }

    function initialize(IUniverse _universe, uint256 _endTime, uint256 _feePerEthInAttoeth, ICash _cash, address _designatedReporterAddress, address _creator, uint256 _numOutcomes, uint256 _numTicks) public payable returns (bool _success);
    function derivePayoutDistributionHash(uint256[] _payoutNumerators, bool _invalid) public view returns (bytes32);
    function getUniverse() public view returns (IUniverse);
    function getFeeWindow() public view returns (IFeeWindow);
    function getNumberOfOutcomes() public view returns (uint256);
    function getNumTicks() public view returns (uint256);
    function getDenominationToken() public view returns (ICash);
    function getShareToken(uint256 _outcome)  public view returns (IShareToken);
    function getMarketCreatorSettlementFeeDivisor() public view returns (uint256);
    function getForkingMarket() public view returns (IMarket _market);
    function getEndTime() public view returns (uint256);
    function getMarketCreatorMailbox() public view returns (IMailbox);
    function getWinningPayoutDistributionHash() public view returns (bytes32);
    function getWinningPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getReputationToken() public view returns (IReputationToken);
    function getFinalizationTime() public view returns (uint256);
    function getInitialReporterAddress() public view returns (address);
    function deriveMarketCreatorFeeAmount(uint256 _amount) public view returns (uint256);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isInvalid() public view returns (bool);
    function finalize() public returns (bool);
    function designatedReporterWasCorrect() public view returns (bool);
    function designatedReporterShowed() public view returns (bool);
    function isFinalized() public view returns (bool);
    function finalizeFork() public returns (bool);
    function assertBalances() public view returns (bool);
}

contract IReportingParticipant {
    function getStake() public view returns (uint256);
    function getPayoutDistributionHash() public view returns (bytes32);
    function liquidateLosing() public returns (bool);
    function redeem(address _redeemer) public returns (bool);
    function isInvalid() public view returns (bool);
    function isDisavowed() public view returns (bool);
    function migrate() public returns (bool);
    function getPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getMarket() public view returns (IMarket);
    function getSize() public view returns (uint256);
}

contract IDisputeCrowdsourcer is IReportingParticipant, ERC20 {
    function initialize(IMarket market, uint256 _size, bytes32 _payoutDistributionHash, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function contribute(address _participant, uint256 _amount) public returns (uint256);
}

contract IReputationToken is ITyped, ERC20 {
    function initialize(IUniverse _universe) public returns (bool);
    function migrateOut(IReputationToken _destination, uint256 _attotokens) public returns (bool);
    function migrateIn(address _reporter, uint256 _attotokens) public returns (bool);
    function trustedReportingParticipantTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedMarketTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFeeWindowTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedUniverseTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getTotalMigrated() public view returns (uint256);
    function getTotalTheoreticalSupply() public view returns (uint256);
    function mintForReportingParticipant(uint256 _amountMigrated) public returns (bool);
}

contract IUniverse is ITyped {
    function initialize(IUniverse _parentUniverse, bytes32 _parentPayoutDistributionHash) external returns (bool);
    function fork() public returns (bool);
    function getParentUniverse() public view returns (IUniverse);
    function createChildUniverse(uint256[] _parentPayoutNumerators, bool _invalid) public returns (IUniverse);
    function getChildUniverse(bytes32 _parentPayoutDistributionHash) public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getForkingMarket() public view returns (IMarket);
    function getForkEndTime() public view returns (uint256);
    function getForkReputationGoal() public view returns (uint256);
    function getParentPayoutDistributionHash() public view returns (bytes32);
    function getDisputeRoundDurationInSeconds() public view returns (uint256);
    function getOrCreateFeeWindowByTimestamp(uint256 _timestamp) public returns (IFeeWindow);
    function getOrCreateCurrentFeeWindow() public returns (IFeeWindow);
    function getOrCreateNextFeeWindow() public returns (IFeeWindow);
    function getOpenInterestInAttoEth() public view returns (uint256);
    function getRepMarketCapInAttoeth() public view returns (uint256);
    function getTargetRepMarketCapInAttoeth() public view returns (uint256);
    function getOrCacheValidityBond() public returns (uint256);
    function getOrCacheDesignatedReportStake() public returns (uint256);
    function getOrCacheDesignatedReportNoShowBond() public returns (uint256);
    function getOrCacheReportingFeeDivisor() public returns (uint256);
    function getDisputeThresholdForFork() public view returns (uint256);
    function getInitialReportMinValue() public view returns (uint256);
    function calculateFloatingValue(uint256 _badMarkets, uint256 _totalMarkets, uint256 _targetDivisor, uint256 _previousValue, uint256 _defaultValue, uint256 _floor) public pure returns (uint256 _newValue);
    function getOrCacheMarketCreationCost() public returns (uint256);
    function getCurrentFeeWindow() public view returns (IFeeWindow);
    function getOrCreateFeeWindowBefore(IFeeWindow _feeWindow) public returns (IFeeWindow);
    function isParentOf(IUniverse _shadyChild) public view returns (bool);
    function updateTentativeWinningChildUniverse(bytes32 _parentPayoutDistributionHash) public returns (bool);
    function isContainerForFeeWindow(IFeeWindow _shadyTarget) public view returns (bool);
    function isContainerForMarket(IMarket _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForFeeToken(IFeeToken _shadyTarget) public view returns (bool);
    function addMarketTo() public returns (bool);
    function removeMarketFrom() public returns (bool);
    function decrementOpenInterest(uint256 _amount) public returns (bool);
    function decrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function incrementOpenInterest(uint256 _amount) public returns (bool);
    function incrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function getWinningChildUniverse() public view returns (IUniverse);
    function isForking() public view returns (bool);
}

contract Mailbox is DelegationTarget, Ownable, Initializable, IMailbox {
    IMarket private market;

    function initialize(address _owner, IMarket _market) public onlyInGoodTimes beforeInitialized returns (bool) {
        endInitialization();
        owner = _owner;
        market = _market;
        return true;
    }

    //As a delegation target we cannot override the fallback, so we provide a specific method to deposit ETH
    function depositEther() public payable onlyInGoodTimes returns (bool) {
        return true;
    }

    function withdrawEther() public onlyOwner returns (bool) {
        // Withdraw any Cash balance
        ICash _cash = ICash(controller.lookup("Cash"));
        uint256 _tokenBalance = _cash.balanceOf(this);
        if (_tokenBalance > 0) {
            _cash.withdrawEtherTo(owner, _tokenBalance);
        }
        // Withdraw any ETH balance
        if (this.balance > 0) {
            owner.transfer(this.balance);
        }
        return true;
    }

    function withdrawTokens(ERC20Basic _token) public onlyOwner returns (bool) {
        uint256 _balance = _token.balanceOf(this);
        require(_token.transfer(owner, _balance));
        return true;
    }

    function onTransferOwnership(address _owner, address _newOwner) internal returns (bool) {
        controller.getAugur().logMarketMailboxTransferred(market.getUniverse(), market, _owner, _newOwner);
        return true;
    }
}

contract ICash is ERC20 {
    function depositEther() external payable returns(bool);
    function depositEtherFor(address _to) external payable returns(bool);
    function withdrawEther(uint256 _amount) external returns(bool);
    function withdrawEtherTo(address _to, uint256 _amount) external returns(bool);
    function withdrawEtherToIfPossible(address _to, uint256 _amount) external returns (bool);
}

contract IOrders {
    function saveOrder(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _betterOrderId, bytes32 _worseOrderId, bytes32 _tradeGroupId) public returns (bytes32 _orderId);
    function removeOrder(bytes32 _orderId) public returns (bool);
    function getMarket(bytes32 _orderId) public view returns (IMarket);
    function getOrderType(bytes32 _orderId) public view returns (Order.Types);
    function getOutcome(bytes32 _orderId) public view returns (uint256);
    function getAmount(bytes32 _orderId) public view returns (uint256);
    function getPrice(bytes32 _orderId) public view returns (uint256);
    function getOrderCreator(bytes32 _orderId) public view returns (address);
    function getOrderSharesEscrowed(bytes32 _orderId) public view returns (uint256);
    function getOrderMoneyEscrowed(bytes32 _orderId) public view returns (uint256);
    function getBetterOrderId(bytes32 _orderId) public view returns (bytes32);
    function getWorseOrderId(bytes32 _orderId) public view returns (bytes32);
    function getBestOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getWorstOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getLastOutcomePrice(IMarket _market, uint256 _outcome) public view returns (uint256);
    function getOrderId(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _blockNumber, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed) public pure returns (bytes32);
    function getTotalEscrowed(IMarket _market) public view returns (uint256);
    function isBetterPrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function isWorsePrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function assertIsNotBetterPrice(Order.Types _type, uint256 _price, bytes32 _betterOrderId) public view returns (bool);
    function assertIsNotWorsePrice(Order.Types _type, uint256 _price, bytes32 _worseOrderId) public returns (bool);
    function recordFillOrder(bytes32 _orderId, uint256 _sharesFilled, uint256 _tokensFilled) public returns (bool);
    function setPrice(IMarket _market, uint256 _outcome, uint256 _price) external returns (bool);
    function incrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
    function decrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
}

contract IShareToken is ITyped, ERC20 {
    function initialize(IMarket _market, uint256 _outcome) external returns (bool);
    function createShares(address _owner, uint256 _amount) external returns (bool);
    function destroyShares(address, uint256 balance) external returns (bool);
    function getMarket() external view returns (IMarket);
    function getOutcome() external view returns (uint256);
    function trustedOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFillOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedCancelOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
}

library Order {
    using SafeMathUint256 for uint256;

    enum Types {
        Bid, Ask
    }

    enum TradeDirections {
        Long, Short
    }

    struct Data {
        // Contracts
        IOrders orders;
        IMarket market;
        IAugur augur;

        // Order
        bytes32 id;
        address creator;
        uint256 outcome;
        Order.Types orderType;
        uint256 amount;
        uint256 price;
        uint256 sharesEscrowed;
        uint256 moneyEscrowed;
        bytes32 betterOrderId;
        bytes32 worseOrderId;
    }

    //
    // Constructor
    //

    // No validation is needed here as it is simply a librarty function for organizing data
    function create(IController _controller, address _creator, uint256 _outcome, Order.Types _type, uint256 _attoshares, uint256 _price, IMarket _market, bytes32 _betterOrderId, bytes32 _worseOrderId) internal view returns (Data) {
        require(_outcome < _market.getNumberOfOutcomes());
        require(_price < _market.getNumTicks());

        IOrders _orders = IOrders(_controller.lookup("Orders"));
        IAugur _augur = _controller.getAugur();

        return Data({
            orders: _orders,
            market: _market,
            augur: _augur,
            id: 0,
            creator: _creator,
            outcome: _outcome,
            orderType: _type,
            amount: _attoshares,
            price: _price,
            sharesEscrowed: 0,
            moneyEscrowed: 0,
            betterOrderId: _betterOrderId,
            worseOrderId: _worseOrderId
        });
    }

    //
    // "public" functions
    //

    function getOrderId(Order.Data _orderData) internal view returns (bytes32) {
        if (_orderData.id == bytes32(0)) {
            bytes32 _orderId = _orderData.orders.getOrderId(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, block.number, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed);
            require(_orderData.orders.getAmount(_orderId) == 0);
            _orderData.id = _orderId;
        }
        return _orderData.id;
    }

    function getOrderTradingTypeFromMakerDirection(Order.TradeDirections _creatorDirection) internal pure returns (Order.Types) {
        return (_creatorDirection == Order.TradeDirections.Long) ? Order.Types.Bid : Order.Types.Ask;
    }

    function getOrderTradingTypeFromFillerDirection(Order.TradeDirections _fillerDirection) internal pure returns (Order.Types) {
        return (_fillerDirection == Order.TradeDirections.Long) ? Order.Types.Ask : Order.Types.Bid;
    }

    function escrowFunds(Order.Data _orderData) internal returns (bool) {
        if (_orderData.orderType == Order.Types.Ask) {
            return escrowFundsForAsk(_orderData);
        } else if (_orderData.orderType == Order.Types.Bid) {
            return escrowFundsForBid(_orderData);
        }
    }

    function saveOrder(Order.Data _orderData, bytes32 _tradeGroupId) internal returns (bytes32) {
        return _orderData.orders.saveOrder(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed, _orderData.betterOrderId, _orderData.worseOrderId, _tradeGroupId);
    }

    //
    // Private functions
    //

    function escrowFundsForBid(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        uint256 _attosharesToCover = _orderData.amount;
        uint256 _numberOfOutcomes = _orderData.market.getNumberOfOutcomes();

        // Figure out how many almost-complete-sets (just missing `outcome` share) the creator has
        uint256 _attosharesHeld = 2**254;
        for (uint256 _i = 0; _i < _numberOfOutcomes; _i++) {
            if (_i != _orderData.outcome) {
                uint256 _creatorShareTokenBalance = _orderData.market.getShareToken(_i).balanceOf(_orderData.creator);
                _attosharesHeld = SafeMathUint256.min(_creatorShareTokenBalance, _attosharesHeld);
            }
        }

        // Take shares into escrow if they have any almost-complete-sets
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            for (_i = 0; _i < _numberOfOutcomes; _i++) {
                if (_i != _orderData.outcome) {
                    _orderData.market.getShareToken(_i).trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
                }
            }
        }
        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _attosharesToCover.mul(_orderData.price);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }

    function escrowFundsForAsk(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        IShareToken _shareToken = _orderData.market.getShareToken(_orderData.outcome);
        uint256 _attosharesToCover = _orderData.amount;

        // Figure out how many shares of the outcome the creator has
        uint256 _attosharesHeld = _shareToken.balanceOf(_orderData.creator);

        // Take shares in escrow if user has shares
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            _shareToken.trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
        }

        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _orderData.market.getNumTicks().sub(_orderData.price).mul(_attosharesToCover);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }
}

            File 4 of 4: Cash
            pragma solidity 0.4.20;

contract IAugur {
    function createChildUniverse(bytes32 _parentPayoutDistributionHash, uint256[] _parentPayoutNumerators, bool _parentInvalid) public returns (IUniverse);
    function isKnownUniverse(IUniverse _universe) public view returns (bool);
    function trustedTransfer(ERC20 _token, address _from, address _to, uint256 _amount) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, bytes32[] _outcomes, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logMarketCreated(bytes32 _topic, string _description, string _extraInfo, IUniverse _universe, address _market, address _marketCreator, int256 _minPrice, int256 _maxPrice, IMarket.MarketType _marketType) public returns (bool);
    function logInitialReportSubmitted(IUniverse _universe, address _reporter, address _market, uint256 _amountStaked, bool _isDesignatedReporter, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function disputeCrowdsourcerCreated(IUniverse _universe, address _market, address _disputeCrowdsourcer, uint256[] _payoutNumerators, uint256 _size, bool _invalid) public returns (bool);
    function logDisputeCrowdsourcerContribution(IUniverse _universe, address _reporter, address _market, address _disputeCrowdsourcer, uint256 _amountStaked) public returns (bool);
    function logDisputeCrowdsourcerCompleted(IUniverse _universe, address _market, address _disputeCrowdsourcer) public returns (bool);
    function logInitialReporterRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logDisputeCrowdsourcerRedeemed(IUniverse _universe, address _reporter, address _market, uint256 _amountRedeemed, uint256 _repReceived, uint256 _reportingFeesReceived, uint256[] _payoutNumerators) public returns (bool);
    function logFeeWindowRedeemed(IUniverse _universe, address _reporter, uint256 _amountRedeemed, uint256 _reportingFeesReceived) public returns (bool);
    function logMarketFinalized(IUniverse _universe) public returns (bool);
    function logMarketMigrated(IMarket _market, IUniverse _originalUniverse) public returns (bool);
    function logReportingParticipantDisavowed(IUniverse _universe, IMarket _market) public returns (bool);
    function logMarketParticipantsDisavowed(IUniverse _universe) public returns (bool);
    function logOrderCanceled(IUniverse _universe, address _shareToken, address _sender, bytes32 _orderId, Order.Types _orderType, uint256 _tokenRefund, uint256 _sharesRefund) public returns (bool);
    function logOrderCreated(Order.Types _orderType, uint256 _amount, uint256 _price, address _creator, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _tradeGroupId, bytes32 _orderId, IUniverse _universe, address _shareToken) public returns (bool);
    function logOrderFilled(IUniverse _universe, address _shareToken, address _filler, bytes32 _orderId, uint256 _numCreatorShares, uint256 _numCreatorTokens, uint256 _numFillerShares, uint256 _numFillerTokens, uint256 _marketCreatorFees, uint256 _reporterFees, uint256 _amountFilled, bytes32 _tradeGroupId) public returns (bool);
    function logCompleteSetsPurchased(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logCompleteSetsSold(IUniverse _universe, IMarket _market, address _account, uint256 _numCompleteSets) public returns (bool);
    function logTradingProceedsClaimed(IUniverse _universe, address _shareToken, address _sender, address _market, uint256 _numShares, uint256 _numPayoutTokens, uint256 _finalTokenBalance) public returns (bool);
    function logUniverseForked() public returns (bool);
    function logFeeWindowTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logDisputeCrowdsourcerTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logShareTokensTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logReputationTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logReputationTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logShareTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logDisputeCrowdsourcerTokensMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeWindowCreated(IFeeWindow _feeWindow, uint256 _id) public returns (bool);
    function logFeeTokenTransferred(IUniverse _universe, address _from, address _to, uint256 _value) public returns (bool);
    function logFeeTokenBurned(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logFeeTokenMinted(IUniverse _universe, address _target, uint256 _amount) public returns (bool);
    function logTimestampSet(uint256 _newTimestamp) public returns (bool);
    function logInitialReporterTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logMarketTransferred(IUniverse _universe, address _from, address _to) public returns (bool);
    function logMarketMailboxTransferred(IUniverse _universe, IMarket _market, address _from, address _to) public returns (bool);
    function logEscapeHatchChanged(bool _isOn) public returns (bool);
}

contract IControlled {
    function getController() public view returns (IController);
    function setController(IController _controller) public returns(bool);
}

contract Controlled is IControlled {
    IController internal controller;

    modifier onlyWhitelistedCallers {
        require(controller.assertIsWhitelisted(msg.sender));
        _;
    }

    modifier onlyCaller(bytes32 _key) {
        require(msg.sender == controller.lookup(_key));
        _;
    }

    modifier onlyControllerCaller {
        require(IController(msg.sender) == controller);
        _;
    }

    modifier onlyInGoodTimes {
        require(controller.stopInEmergency());
        _;
    }

    modifier onlyInBadTimes {
        require(controller.onlyInEmergency());
        _;
    }

    function Controlled() public {
        controller = IController(msg.sender);
    }

    function getController() public view returns(IController) {
        return controller;
    }

    function setController(IController _controller) public onlyControllerCaller returns(bool) {
        controller = _controller;
        return true;
    }
}

contract IController {
    function assertIsWhitelisted(address _target) public view returns(bool);
    function lookup(bytes32 _key) public view returns(address);
    function stopInEmergency() public view returns(bool);
    function onlyInEmergency() public view returns(bool);
    function getAugur() public view returns (IAugur);
    function getTimestamp() public view returns (uint256);
}

contract DelegationTarget is Controlled {
    bytes32 public controllerLookupName;
}

contract IOwnable {
    function getOwner() public view returns (address);
    function transferOwnership(address newOwner) public returns (bool);
}

contract ITyped {
    function getTypeName() public view returns (bytes32);
}

contract Initializable {
    bool private initialized = false;

    modifier afterInitialized {
        require(initialized);
        _;
    }

    modifier beforeInitialized {
        require(!initialized);
        _;
    }

    function endInitialization() internal beforeInitialized returns (bool) {
        initialized = true;
        return true;
    }

    function getInitialized() public view returns (bool) {
        return initialized;
    }
}

library SafeMathUint256 {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a * b;
        require(a == 0 || c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

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

    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a <= b) {
            return a;
        } else {
            return b;
        }
    }

    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a >= b) {
            return a;
        } else {
            return b;
        }
    }

    function getUint256Min() internal pure returns (uint256) {
        return 0;
    }

    function getUint256Max() internal pure returns (uint256) {
        return 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
    }

    function isMultipleOf(uint256 a, uint256 b) internal pure returns (bool) {
        return a % b == 0;
    }

    // Float [fixed point] Operations
    function fxpMul(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, b), base);
    }

    function fxpDiv(uint256 a, uint256 b, uint256 base) internal pure returns (uint256) {
        return div(mul(a, base), b);
    }
}

contract ERC20Basic {
    event Transfer(address indexed from, address indexed to, uint256 value);

    function balanceOf(address _who) public view returns (uint256);
    function transfer(address _to, uint256 _value) public returns (bool);
    function totalSupply() public view returns (uint256);
}

contract BasicToken is ERC20Basic {
    using SafeMathUint256 for uint256;

    uint256 internal supply;
    mapping(address => uint256) internal balances;

    /**
    * @dev transfer token for a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint256 _value) public returns(bool) {
        return internalTransfer(msg.sender, _to, _value);
    }

    /**
    * @dev allows internal token transfers
    * @param _from The source address
    * @param _to The destination address
    */
    function internalTransfer(address _from, address _to, uint256 _value) internal returns (bool) {
        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        Transfer(_from, _to, _value);
        onTokenTransfer(_from, _to, _value);
        return true;
    }

    /**
    * @dev Gets the balance of the specified address.
    * @param _owner The address to query the the balance of.
    * @return An uint256 representing the amount owned by the passed address.
    */
    function balanceOf(address _owner) public view returns (uint256) {
        return balances[_owner];
    }

    function totalSupply() public view returns (uint256) {
        return supply;
    }

    // Subclasses of this token generally want to send additional logs through the centralized Augur log emitter contract
    function onTokenTransfer(address _from, address _to, uint256 _value) internal returns (bool);
}

contract ERC20 is ERC20Basic {
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function allowance(address _owner, address _spender) public view returns (uint256);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
    function approve(address _spender, uint256 _value) public returns (bool);
}

contract StandardToken is ERC20, BasicToken {
    using SafeMathUint256 for uint256;

    // Approvals of this amount are simply considered an everlasting approval which is not decremented when transfers occur
    uint256 public constant ETERNAL_APPROVAL_VALUE = 2 ** 256 - 1;

    mapping (address => mapping (address => uint256)) internal allowed;

    /**
    * @dev Transfer tokens from one address to another
    * @param _from address The address which you want to send tokens from
    * @param _to address The address which you want to transfer to
    * @param _value uint256 the amout of tokens to be transfered
    */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
        uint256 _allowance = allowed[_from][msg.sender];

        if (_allowance != ETERNAL_APPROVAL_VALUE) {
            allowed[_from][msg.sender] = _allowance.sub(_value);
        }
        internalTransfer(_from, _to, _value);
        return true;
    }

    /**
    * @dev Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender.
    * @param _spender The address which will spend the funds.
    * @param _value The amount of tokens to be spent.
    */
    function approve(address _spender, uint256 _value) public returns (bool) {
        approveInternal(msg.sender, _spender, _value);
        return true;
    }

    /**
    * @dev Function to check the amount of tokens that an owner allowed to a spender.
    * @param _owner address The address which owns the funds.
    * @param _spender address The address which will spend the funds.
    * @return A uint256 specifing the amount of tokens still avaible for the spender.
    */
    function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

   /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   *
   * Approve should be called when allowed[_spender] == 0. To increment allowed value is better to use this function to avoid 2 calls (and wait until the first transaction is mined)
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
    function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
        approveInternal(msg.sender, _spender, allowed[msg.sender][_spender].add(_addedValue));
        return true;
    }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To decrement allowed value is better to use this function to avoid 2 calls (and wait until the first transaction is mined)
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
    function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
        uint oldValue = allowed[msg.sender][_spender];
        if (_subtractedValue > oldValue) {
            approveInternal(msg.sender, _spender, 0);
        } else {
            approveInternal(msg.sender, _spender, oldValue.sub(_subtractedValue));
        }
        return true;
    }

    function approveInternal(address _owner, address _spender, uint256 _value) internal returns (bool) {
        allowed[_owner][_spender] = _value;
        Approval(_owner, _spender, _value);
        return true;
    }
}

contract VariableSupplyToken is StandardToken {
    using SafeMathUint256 for uint256;

    event Mint(address indexed target, uint256 value);
    event Burn(address indexed target, uint256 value);

    /**
    * @dev mint tokens for a specified address
    * @param _target The address to mint tokens for.
    * @param _amount The amount to be minted.
    */
    function mint(address _target, uint256 _amount) internal returns (bool) {
        balances[_target] = balances[_target].add(_amount);
        supply = supply.add(_amount);
        Mint(_target, _amount);
        onMint(_target, _amount);
        return true;
    }

    /**
    * @dev burn tokens belonging to a specified address
    * @param _target The address to burn tokens for.
    * @param _amount The amount to be burned.
    */
    function burn(address _target, uint256 _amount) internal returns (bool) {
        balances[_target] = balances[_target].sub(_amount);
        supply = supply.sub(_amount);
        Burn(_target, _amount);
        onBurn(_target, _amount);
        return true;
    }

    // Subclasses of this token may want to send additional logs through the centralized Augur log emitter contract
    function onMint(address, uint256) internal returns (bool);

    // Subclasses of this token may want to send additional logs through the centralized Augur log emitter contract
    function onBurn(address, uint256) internal returns (bool);
}

contract IFeeToken is ERC20, Initializable {
    function initialize(IFeeWindow _feeWindow) public returns (bool);
    function getFeeWindow() public view returns (IFeeWindow);
    function feeWindowBurn(address _target, uint256 _amount) public returns (bool);
    function mintForReportingParticipant(address _target, uint256 _amount) public returns (bool);
}

contract IFeeWindow is ITyped, ERC20 {
    function initialize(IUniverse _universe, uint256 _feeWindowId) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getStartTime() public view returns (uint256);
    function getEndTime() public view returns (uint256);
    function getNumMarkets() public view returns (uint256);
    function getNumInvalidMarkets() public view returns (uint256);
    function getNumIncorrectDesignatedReportMarkets() public view returns (uint256);
    function getNumDesignatedReportNoShows() public view returns (uint256);
    function getFeeToken() public view returns (IFeeToken);
    function isActive() public view returns (bool);
    function isOver() public view returns (bool);
    function onMarketFinalized() public returns (bool);
    function buy(uint256 _attotokens) public returns (bool);
    function redeem(address _sender) public returns (bool);
    function redeemForReportingParticipant() public returns (bool);
    function mintFeeTokens(uint256 _amount) public returns (bool);
    function trustedUniverseBuy(address _buyer, uint256 _attotokens) public returns (bool);
}

contract IMailbox {
    function initialize(address _owner, IMarket _market) public returns (bool);
    function depositEther() public payable returns (bool);
}

contract IMarket is ITyped, IOwnable {
    enum MarketType {
        YES_NO,
        CATEGORICAL,
        SCALAR
    }

    function initialize(IUniverse _universe, uint256 _endTime, uint256 _feePerEthInAttoeth, ICash _cash, address _designatedReporterAddress, address _creator, uint256 _numOutcomes, uint256 _numTicks) public payable returns (bool _success);
    function derivePayoutDistributionHash(uint256[] _payoutNumerators, bool _invalid) public view returns (bytes32);
    function getUniverse() public view returns (IUniverse);
    function getFeeWindow() public view returns (IFeeWindow);
    function getNumberOfOutcomes() public view returns (uint256);
    function getNumTicks() public view returns (uint256);
    function getDenominationToken() public view returns (ICash);
    function getShareToken(uint256 _outcome)  public view returns (IShareToken);
    function getMarketCreatorSettlementFeeDivisor() public view returns (uint256);
    function getForkingMarket() public view returns (IMarket _market);
    function getEndTime() public view returns (uint256);
    function getMarketCreatorMailbox() public view returns (IMailbox);
    function getWinningPayoutDistributionHash() public view returns (bytes32);
    function getWinningPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getReputationToken() public view returns (IReputationToken);
    function getFinalizationTime() public view returns (uint256);
    function getInitialReporterAddress() public view returns (address);
    function deriveMarketCreatorFeeAmount(uint256 _amount) public view returns (uint256);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isInvalid() public view returns (bool);
    function finalize() public returns (bool);
    function designatedReporterWasCorrect() public view returns (bool);
    function designatedReporterShowed() public view returns (bool);
    function isFinalized() public view returns (bool);
    function finalizeFork() public returns (bool);
    function assertBalances() public view returns (bool);
}

contract IReportingParticipant {
    function getStake() public view returns (uint256);
    function getPayoutDistributionHash() public view returns (bytes32);
    function liquidateLosing() public returns (bool);
    function redeem(address _redeemer) public returns (bool);
    function isInvalid() public view returns (bool);
    function isDisavowed() public view returns (bool);
    function migrate() public returns (bool);
    function getPayoutNumerator(uint256 _outcome) public view returns (uint256);
    function getMarket() public view returns (IMarket);
    function getSize() public view returns (uint256);
}

contract IDisputeCrowdsourcer is IReportingParticipant, ERC20 {
    function initialize(IMarket market, uint256 _size, bytes32 _payoutDistributionHash, uint256[] _payoutNumerators, bool _invalid) public returns (bool);
    function contribute(address _participant, uint256 _amount) public returns (uint256);
}

contract IReputationToken is ITyped, ERC20 {
    function initialize(IUniverse _universe) public returns (bool);
    function migrateOut(IReputationToken _destination, uint256 _attotokens) public returns (bool);
    function migrateIn(address _reporter, uint256 _attotokens) public returns (bool);
    function trustedReportingParticipantTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedMarketTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFeeWindowTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedUniverseTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function getUniverse() public view returns (IUniverse);
    function getTotalMigrated() public view returns (uint256);
    function getTotalTheoreticalSupply() public view returns (uint256);
    function mintForReportingParticipant(uint256 _amountMigrated) public returns (bool);
}

contract IUniverse is ITyped {
    function initialize(IUniverse _parentUniverse, bytes32 _parentPayoutDistributionHash) external returns (bool);
    function fork() public returns (bool);
    function getParentUniverse() public view returns (IUniverse);
    function createChildUniverse(uint256[] _parentPayoutNumerators, bool _invalid) public returns (IUniverse);
    function getChildUniverse(bytes32 _parentPayoutDistributionHash) public view returns (IUniverse);
    function getReputationToken() public view returns (IReputationToken);
    function getForkingMarket() public view returns (IMarket);
    function getForkEndTime() public view returns (uint256);
    function getForkReputationGoal() public view returns (uint256);
    function getParentPayoutDistributionHash() public view returns (bytes32);
    function getDisputeRoundDurationInSeconds() public view returns (uint256);
    function getOrCreateFeeWindowByTimestamp(uint256 _timestamp) public returns (IFeeWindow);
    function getOrCreateCurrentFeeWindow() public returns (IFeeWindow);
    function getOrCreateNextFeeWindow() public returns (IFeeWindow);
    function getOpenInterestInAttoEth() public view returns (uint256);
    function getRepMarketCapInAttoeth() public view returns (uint256);
    function getTargetRepMarketCapInAttoeth() public view returns (uint256);
    function getOrCacheValidityBond() public returns (uint256);
    function getOrCacheDesignatedReportStake() public returns (uint256);
    function getOrCacheDesignatedReportNoShowBond() public returns (uint256);
    function getOrCacheReportingFeeDivisor() public returns (uint256);
    function getDisputeThresholdForFork() public view returns (uint256);
    function getInitialReportMinValue() public view returns (uint256);
    function calculateFloatingValue(uint256 _badMarkets, uint256 _totalMarkets, uint256 _targetDivisor, uint256 _previousValue, uint256 _defaultValue, uint256 _floor) public pure returns (uint256 _newValue);
    function getOrCacheMarketCreationCost() public returns (uint256);
    function getCurrentFeeWindow() public view returns (IFeeWindow);
    function getOrCreateFeeWindowBefore(IFeeWindow _feeWindow) public returns (IFeeWindow);
    function isParentOf(IUniverse _shadyChild) public view returns (bool);
    function updateTentativeWinningChildUniverse(bytes32 _parentPayoutDistributionHash) public returns (bool);
    function isContainerForFeeWindow(IFeeWindow _shadyTarget) public view returns (bool);
    function isContainerForMarket(IMarket _shadyTarget) public view returns (bool);
    function isContainerForReportingParticipant(IReportingParticipant _reportingParticipant) public view returns (bool);
    function isContainerForShareToken(IShareToken _shadyTarget) public view returns (bool);
    function isContainerForFeeToken(IFeeToken _shadyTarget) public view returns (bool);
    function addMarketTo() public returns (bool);
    function removeMarketFrom() public returns (bool);
    function decrementOpenInterest(uint256 _amount) public returns (bool);
    function decrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function incrementOpenInterest(uint256 _amount) public returns (bool);
    function incrementOpenInterestFromMarket(uint256 _amount) public returns (bool);
    function getWinningChildUniverse() public view returns (IUniverse);
    function isForking() public view returns (bool);
}

contract ICash is ERC20 {
    function depositEther() external payable returns(bool);
    function depositEtherFor(address _to) external payable returns(bool);
    function withdrawEther(uint256 _amount) external returns(bool);
    function withdrawEtherTo(address _to, uint256 _amount) external returns(bool);
    function withdrawEtherToIfPossible(address _to, uint256 _amount) external returns (bool);
}

contract Cash is DelegationTarget, ITyped, VariableSupplyToken, ICash {

    string constant public name = "Cash";
    string constant public symbol = "CASH";
    uint8 constant public decimals = 18;

    function depositEther() external payable onlyInGoodTimes returns(bool) {
        mint(msg.sender, msg.value);
        assert(this.balance >= totalSupply());
        return true;
    }

    function depositEtherFor(address _to) external payable onlyInGoodTimes returns(bool) {
        mint(_to, msg.value);
        assert(this.balance >= totalSupply());
        return true;
    }

    function withdrawEther(uint256 _amount) external returns(bool) {
        withdrawEtherInternal(msg.sender, msg.sender, _amount);
        return true;
    }

    function withdrawEtherTo(address _to, uint256 _amount) external returns(bool) {
        withdrawEtherInternal(msg.sender, _to, _amount);
        return true;
    }

    function withdrawEtherInternal(address _from, address _to, uint256 _amount) private returns(bool) {
        require(_amount > 0 && _amount <= balances[_from]);
        burn(_from, _amount);
        _to.transfer(_amount);
        assert(this.balance >= totalSupply());
        return true;
    }

    function withdrawEtherToIfPossible(address _to, uint256 _amount) external returns (bool) {
        require(_amount > 0 && _amount <= balances[msg.sender]);
        if (_to.send(_amount)) {
            burn(msg.sender, _amount);
        } else {
            internalTransfer(msg.sender, _to, _amount);
        }
        assert(this.balance >= totalSupply());
        return true;
    }

    function getTypeName() public view returns (bytes32) {
        return "Cash";
    }

    function onMint(address, uint256) internal returns (bool) {
        return true;
    }

    function onBurn(address, uint256) internal returns (bool) {
        return true;
    }

    function onTokenTransfer(address, address, uint256) internal returns (bool) {
        return true;
    }
}

contract IOrders {
    function saveOrder(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed, bytes32 _betterOrderId, bytes32 _worseOrderId, bytes32 _tradeGroupId) public returns (bytes32 _orderId);
    function removeOrder(bytes32 _orderId) public returns (bool);
    function getMarket(bytes32 _orderId) public view returns (IMarket);
    function getOrderType(bytes32 _orderId) public view returns (Order.Types);
    function getOutcome(bytes32 _orderId) public view returns (uint256);
    function getAmount(bytes32 _orderId) public view returns (uint256);
    function getPrice(bytes32 _orderId) public view returns (uint256);
    function getOrderCreator(bytes32 _orderId) public view returns (address);
    function getOrderSharesEscrowed(bytes32 _orderId) public view returns (uint256);
    function getOrderMoneyEscrowed(bytes32 _orderId) public view returns (uint256);
    function getBetterOrderId(bytes32 _orderId) public view returns (bytes32);
    function getWorseOrderId(bytes32 _orderId) public view returns (bytes32);
    function getBestOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getWorstOrderId(Order.Types _type, IMarket _market, uint256 _outcome) public view returns (bytes32);
    function getLastOutcomePrice(IMarket _market, uint256 _outcome) public view returns (uint256);
    function getOrderId(Order.Types _type, IMarket _market, uint256 _fxpAmount, uint256 _price, address _sender, uint256 _blockNumber, uint256 _outcome, uint256 _moneyEscrowed, uint256 _sharesEscrowed) public pure returns (bytes32);
    function getTotalEscrowed(IMarket _market) public view returns (uint256);
    function isBetterPrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function isWorsePrice(Order.Types _type, uint256 _price, bytes32 _orderId) public view returns (bool);
    function assertIsNotBetterPrice(Order.Types _type, uint256 _price, bytes32 _betterOrderId) public view returns (bool);
    function assertIsNotWorsePrice(Order.Types _type, uint256 _price, bytes32 _worseOrderId) public returns (bool);
    function recordFillOrder(bytes32 _orderId, uint256 _sharesFilled, uint256 _tokensFilled) public returns (bool);
    function setPrice(IMarket _market, uint256 _outcome, uint256 _price) external returns (bool);
    function incrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
    function decrementTotalEscrowed(IMarket _market, uint256 _amount) external returns (bool);
}

contract IShareToken is ITyped, ERC20 {
    function initialize(IMarket _market, uint256 _outcome) external returns (bool);
    function createShares(address _owner, uint256 _amount) external returns (bool);
    function destroyShares(address, uint256 balance) external returns (bool);
    function getMarket() external view returns (IMarket);
    function getOutcome() external view returns (uint256);
    function trustedOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedFillOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
    function trustedCancelOrderTransfer(address _source, address _destination, uint256 _attotokens) public returns (bool);
}

library Order {
    using SafeMathUint256 for uint256;

    enum Types {
        Bid, Ask
    }

    enum TradeDirections {
        Long, Short
    }

    struct Data {
        // Contracts
        IOrders orders;
        IMarket market;
        IAugur augur;

        // Order
        bytes32 id;
        address creator;
        uint256 outcome;
        Order.Types orderType;
        uint256 amount;
        uint256 price;
        uint256 sharesEscrowed;
        uint256 moneyEscrowed;
        bytes32 betterOrderId;
        bytes32 worseOrderId;
    }

    //
    // Constructor
    //

    // No validation is needed here as it is simply a librarty function for organizing data
    function create(IController _controller, address _creator, uint256 _outcome, Order.Types _type, uint256 _attoshares, uint256 _price, IMarket _market, bytes32 _betterOrderId, bytes32 _worseOrderId) internal view returns (Data) {
        require(_outcome < _market.getNumberOfOutcomes());
        require(_price < _market.getNumTicks());

        IOrders _orders = IOrders(_controller.lookup("Orders"));
        IAugur _augur = _controller.getAugur();

        return Data({
            orders: _orders,
            market: _market,
            augur: _augur,
            id: 0,
            creator: _creator,
            outcome: _outcome,
            orderType: _type,
            amount: _attoshares,
            price: _price,
            sharesEscrowed: 0,
            moneyEscrowed: 0,
            betterOrderId: _betterOrderId,
            worseOrderId: _worseOrderId
        });
    }

    //
    // "public" functions
    //

    function getOrderId(Order.Data _orderData) internal view returns (bytes32) {
        if (_orderData.id == bytes32(0)) {
            bytes32 _orderId = _orderData.orders.getOrderId(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, block.number, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed);
            require(_orderData.orders.getAmount(_orderId) == 0);
            _orderData.id = _orderId;
        }
        return _orderData.id;
    }

    function getOrderTradingTypeFromMakerDirection(Order.TradeDirections _creatorDirection) internal pure returns (Order.Types) {
        return (_creatorDirection == Order.TradeDirections.Long) ? Order.Types.Bid : Order.Types.Ask;
    }

    function getOrderTradingTypeFromFillerDirection(Order.TradeDirections _fillerDirection) internal pure returns (Order.Types) {
        return (_fillerDirection == Order.TradeDirections.Long) ? Order.Types.Ask : Order.Types.Bid;
    }

    function escrowFunds(Order.Data _orderData) internal returns (bool) {
        if (_orderData.orderType == Order.Types.Ask) {
            return escrowFundsForAsk(_orderData);
        } else if (_orderData.orderType == Order.Types.Bid) {
            return escrowFundsForBid(_orderData);
        }
    }

    function saveOrder(Order.Data _orderData, bytes32 _tradeGroupId) internal returns (bytes32) {
        return _orderData.orders.saveOrder(_orderData.orderType, _orderData.market, _orderData.amount, _orderData.price, _orderData.creator, _orderData.outcome, _orderData.moneyEscrowed, _orderData.sharesEscrowed, _orderData.betterOrderId, _orderData.worseOrderId, _tradeGroupId);
    }

    //
    // Private functions
    //

    function escrowFundsForBid(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        uint256 _attosharesToCover = _orderData.amount;
        uint256 _numberOfOutcomes = _orderData.market.getNumberOfOutcomes();

        // Figure out how many almost-complete-sets (just missing `outcome` share) the creator has
        uint256 _attosharesHeld = 2**254;
        for (uint256 _i = 0; _i < _numberOfOutcomes; _i++) {
            if (_i != _orderData.outcome) {
                uint256 _creatorShareTokenBalance = _orderData.market.getShareToken(_i).balanceOf(_orderData.creator);
                _attosharesHeld = SafeMathUint256.min(_creatorShareTokenBalance, _attosharesHeld);
            }
        }

        // Take shares into escrow if they have any almost-complete-sets
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            for (_i = 0; _i < _numberOfOutcomes; _i++) {
                if (_i != _orderData.outcome) {
                    _orderData.market.getShareToken(_i).trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
                }
            }
        }
        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _attosharesToCover.mul(_orderData.price);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }

    function escrowFundsForAsk(Order.Data _orderData) private returns (bool) {
        require(_orderData.moneyEscrowed == 0);
        require(_orderData.sharesEscrowed == 0);
        IShareToken _shareToken = _orderData.market.getShareToken(_orderData.outcome);
        uint256 _attosharesToCover = _orderData.amount;

        // Figure out how many shares of the outcome the creator has
        uint256 _attosharesHeld = _shareToken.balanceOf(_orderData.creator);

        // Take shares in escrow if user has shares
        if (_attosharesHeld > 0) {
            _orderData.sharesEscrowed = SafeMathUint256.min(_attosharesHeld, _attosharesToCover);
            _attosharesToCover -= _orderData.sharesEscrowed;
            _shareToken.trustedOrderTransfer(_orderData.creator, _orderData.market, _orderData.sharesEscrowed);
        }

        // If not able to cover entire order with shares alone, then cover remaining with tokens
        if (_attosharesToCover > 0) {
            _orderData.moneyEscrowed = _orderData.market.getNumTicks().sub(_orderData.price).mul(_attosharesToCover);
            require(_orderData.augur.trustedTransfer(_orderData.market.getDenominationToken(), _orderData.creator, _orderData.market, _orderData.moneyEscrowed));
        }

        return true;
    }
}