pragma solidity >=0.4.25 <0.6.0;
pragma experimental ABIEncoderV2;


contract Modifiable {
    
    
    
    modifier notNullAddress(address _address) {
        require(_address != address(0));
        _;
    }

    modifier notThisAddress(address _address) {
        require(_address != address(this));
        _;
    }

    modifier notNullOrThisAddress(address _address) {
        require(_address != address(0));
        require(_address != address(this));
        _;
    }

    modifier notSameAddresses(address _address1, address _address2) {
        if (_address1 != _address2)
            _;
    }
}

contract SelfDestructible {
    
    
    
    bool public selfDestructionDisabled;

    
    
    
    event SelfDestructionDisabledEvent(address wallet);
    event TriggerSelfDestructionEvent(address wallet);

    
    
    
    
    function destructor()
    public
    view
    returns (address);

    
    
    function disableSelfDestruction()
    public
    {
        
        require(destructor() == msg.sender);

        
        selfDestructionDisabled = true;

        
        emit SelfDestructionDisabledEvent(msg.sender);
    }

    
    function triggerSelfDestruction()
    public
    {
        
        require(destructor() == msg.sender);

        
        require(!selfDestructionDisabled);

        
        emit TriggerSelfDestructionEvent(msg.sender);

        
        selfdestruct(msg.sender);
    }
}

contract Ownable is Modifiable, SelfDestructible {
    
    
    
    address public deployer;
    address public operator;

    
    
    
    event SetDeployerEvent(address oldDeployer, address newDeployer);
    event SetOperatorEvent(address oldOperator, address newOperator);

    
    
    
    constructor(address _deployer) internal notNullOrThisAddress(_deployer) {
        deployer = _deployer;
        operator = _deployer;
    }

    
    
    
    
    function destructor()
    public
    view
    returns (address)
    {
        return deployer;
    }

    
    
    function setDeployer(address newDeployer)
    public
    onlyDeployer
    notNullOrThisAddress(newDeployer)
    {
        if (newDeployer != deployer) {
            
            address oldDeployer = deployer;
            deployer = newDeployer;

            
            emit SetDeployerEvent(oldDeployer, newDeployer);
        }
    }

    
    
    function setOperator(address newOperator)
    public
    onlyOperator
    notNullOrThisAddress(newOperator)
    {
        if (newOperator != operator) {
            
            address oldOperator = operator;
            operator = newOperator;

            
            emit SetOperatorEvent(oldOperator, newOperator);
        }
    }

    
    
    function isDeployer()
    internal
    view
    returns (bool)
    {
        return msg.sender == deployer;
    }

    
    
    function isOperator()
    internal
    view
    returns (bool)
    {
        return msg.sender == operator;
    }

    
    
    
    function isDeployerOrOperator()
    internal
    view
    returns (bool)
    {
        return isDeployer() || isOperator();
    }

    
    
    modifier onlyDeployer() {
        require(isDeployer());
        _;
    }

    modifier notDeployer() {
        require(!isDeployer());
        _;
    }

    modifier onlyOperator() {
        require(isOperator());
        _;
    }

    modifier notOperator() {
        require(!isOperator());
        _;
    }

    modifier onlyDeployerOrOperator() {
        require(isDeployerOrOperator());
        _;
    }

    modifier notDeployerOrOperator() {
        require(!isDeployerOrOperator());
        _;
    }
}

contract Servable is Ownable {
    
    
    
    struct ServiceInfo {
        bool registered;
        uint256 activationTimestamp;
        mapping(bytes32 => bool) actionsEnabledMap;
        bytes32[] actionsList;
    }

    
    
    
    mapping(address => ServiceInfo) internal registeredServicesMap;
    uint256 public serviceActivationTimeout;

    
    
    
    event ServiceActivationTimeoutEvent(uint256 timeoutInSeconds);
    event RegisterServiceEvent(address service);
    event RegisterServiceDeferredEvent(address service, uint256 timeout);
    event DeregisterServiceEvent(address service);
    event EnableServiceActionEvent(address service, string action);
    event DisableServiceActionEvent(address service, string action);

    
    
    
    
    
    function setServiceActivationTimeout(uint256 timeoutInSeconds)
    public
    onlyDeployer
    {
        serviceActivationTimeout = timeoutInSeconds;

        
        emit ServiceActivationTimeoutEvent(timeoutInSeconds);
    }

    
    
    function registerService(address service)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        _registerService(service, 0);

        
        emit RegisterServiceEvent(service);
    }

    
    
    function registerServiceDeferred(address service)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        _registerService(service, serviceActivationTimeout);

        
        emit RegisterServiceDeferredEvent(service, serviceActivationTimeout);
    }

    
    
    function deregisterService(address service)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        require(registeredServicesMap[service].registered);

        registeredServicesMap[service].registered = false;

        
        emit DeregisterServiceEvent(service);
    }

    
    
    
    function enableServiceAction(address service, string memory action)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        require(registeredServicesMap[service].registered);

        bytes32 actionHash = hashString(action);

        require(!registeredServicesMap[service].actionsEnabledMap[actionHash]);

        registeredServicesMap[service].actionsEnabledMap[actionHash] = true;
        registeredServicesMap[service].actionsList.push(actionHash);

        
        emit EnableServiceActionEvent(service, action);
    }

    
    
    
    function disableServiceAction(address service, string memory action)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        bytes32 actionHash = hashString(action);

        require(registeredServicesMap[service].actionsEnabledMap[actionHash]);

        registeredServicesMap[service].actionsEnabledMap[actionHash] = false;

        
        emit DisableServiceActionEvent(service, action);
    }

    
    
    
    function isRegisteredService(address service)
    public
    view
    returns (bool)
    {
        return registeredServicesMap[service].registered;
    }

    
    
    
    function isRegisteredActiveService(address service)
    public
    view
    returns (bool)
    {
        return isRegisteredService(service) && block.timestamp >= registeredServicesMap[service].activationTimestamp;
    }

    
    
    
    function isEnabledServiceAction(address service, string memory action)
    public
    view
    returns (bool)
    {
        bytes32 actionHash = hashString(action);
        return isRegisteredActiveService(service) && registeredServicesMap[service].actionsEnabledMap[actionHash];
    }

    
    
    
    function hashString(string memory _string)
    internal
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(_string));
    }

    
    
    
    function _registerService(address service, uint256 timeout)
    private
    {
        if (!registeredServicesMap[service].registered) {
            registeredServicesMap[service].registered = true;
            registeredServicesMap[service].activationTimestamp = block.timestamp + timeout;
        }
    }

    
    
    
    modifier onlyActiveService() {
        require(isRegisteredActiveService(msg.sender));
        _;
    }

    modifier onlyEnabledServiceAction(string memory action) {
        require(isEnabledServiceAction(msg.sender, action));
        _;
    }
}

library SafeMathIntLib {
    int256 constant INT256_MIN = int256((uint256(1) << 255));
    int256 constant INT256_MAX = int256(~((uint256(1) << 255)));

    
    
    
    function div(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a != INT256_MIN || b != - 1);
        return a / b;
    }

    function mul(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a != - 1 || b != INT256_MIN);
        
        require(b != - 1 || a != INT256_MIN);
        
        int256 c = a * b;
        require((b == 0) || (c / b == a));
        return c;
    }

    function sub(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require((b >= 0 && a - b <= a) || (b < 0 && a - b > a));
        return a - b;
    }

    function add(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        int256 c = a + b;
        require((b >= 0 && c >= a) || (b < 0 && c < a));
        return c;
    }

    
    
    
    function div_nn(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a >= 0 && b > 0);
        return a / b;
    }

    function mul_nn(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a >= 0 && b >= 0);
        int256 c = a * b;
        require(a == 0 || c / a == b);
        require(c >= 0);
        return c;
    }

    function sub_nn(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a >= 0 && b >= 0 && b <= a);
        return a - b;
    }

    function add_nn(int256 a, int256 b)
    internal
    pure
    returns (int256)
    {
        require(a >= 0 && b >= 0);
        int256 c = a + b;
        require(c >= a);
        return c;
    }

    
    
    
    function abs(int256 a)
    public
    pure
    returns (int256)
    {
        return a < 0 ? neg(a) : a;
    }

    function neg(int256 a)
    public
    pure
    returns (int256)
    {
        return mul(a, - 1);
    }

    function toNonZeroInt256(uint256 a)
    public
    pure
    returns (int256)
    {
        require(a > 0 && a < (uint256(1) << 255));
        return int256(a);
    }

    function toInt256(uint256 a)
    public
    pure
    returns (int256)
    {
        require(a >= 0 && a < (uint256(1) << 255));
        return int256(a);
    }

    function toUInt256(int256 a)
    public
    pure
    returns (uint256)
    {
        require(a >= 0);
        return uint256(a);
    }

    function isNonZeroPositiveInt256(int256 a)
    public
    pure
    returns (bool)
    {
        return (a > 0);
    }

    function isPositiveInt256(int256 a)
    public
    pure
    returns (bool)
    {
        return (a >= 0);
    }

    function isNonZeroNegativeInt256(int256 a)
    public
    pure
    returns (bool)
    {
        return (a < 0);
    }

    function isNegativeInt256(int256 a)
    public
    pure
    returns (bool)
    {
        return (a <= 0);
    }

    
    
    
    function clamp(int256 a, int256 min, int256 max)
    public
    pure
    returns (int256)
    {
        if (a < min)
            return min;
        return (a > max) ? max : a;
    }

    function clampMin(int256 a, int256 min)
    public
    pure
    returns (int256)
    {
        return (a < min) ? min : a;
    }

    function clampMax(int256 a, int256 max)
    public
    pure
    returns (int256)
    {
        return (a > max) ? max : a;
    }
}

library BlockNumbUintsLib {
    
    
    
    struct Entry {
        uint256 blockNumber;
        uint256 value;
    }

    struct BlockNumbUints {
        Entry[] entries;
    }

    
    
    
    function currentValue(BlockNumbUints storage self)
    internal
    view
    returns (uint256)
    {
        return valueAt(self, block.number);
    }

    function currentEntry(BlockNumbUints storage self)
    internal
    view
    returns (Entry memory)
    {
        return entryAt(self, block.number);
    }

    function valueAt(BlockNumbUints storage self, uint256 _blockNumber)
    internal
    view
    returns (uint256)
    {
        return entryAt(self, _blockNumber).value;
    }

    function entryAt(BlockNumbUints storage self, uint256 _blockNumber)
    internal
    view
    returns (Entry memory)
    {
        return self.entries[indexByBlockNumber(self, _blockNumber)];
    }

    function addEntry(BlockNumbUints storage self, uint256 blockNumber, uint256 value)
    internal
    {
        require(
            0 == self.entries.length ||
        blockNumber > self.entries[self.entries.length - 1].blockNumber,
            "Later entry found [BlockNumbUintsLib.sol:62]"
        );

        self.entries.push(Entry(blockNumber, value));
    }

    function count(BlockNumbUints storage self)
    internal
    view
    returns (uint256)
    {
        return self.entries.length;
    }

    function entries(BlockNumbUints storage self)
    internal
    view
    returns (Entry[] memory)
    {
        return self.entries;
    }

    function indexByBlockNumber(BlockNumbUints storage self, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        require(0 < self.entries.length, "No entries found [BlockNumbUintsLib.sol:92]");
        for (uint256 i = self.entries.length - 1; i >= 0; i--)
            if (blockNumber >= self.entries[i].blockNumber)
                return i;
        revert();
    }
}

library BlockNumbIntsLib {
    
    
    
    struct Entry {
        uint256 blockNumber;
        int256 value;
    }

    struct BlockNumbInts {
        Entry[] entries;
    }

    
    
    
    function currentValue(BlockNumbInts storage self)
    internal
    view
    returns (int256)
    {
        return valueAt(self, block.number);
    }

    function currentEntry(BlockNumbInts storage self)
    internal
    view
    returns (Entry memory)
    {
        return entryAt(self, block.number);
    }

    function valueAt(BlockNumbInts storage self, uint256 _blockNumber)
    internal
    view
    returns (int256)
    {
        return entryAt(self, _blockNumber).value;
    }

    function entryAt(BlockNumbInts storage self, uint256 _blockNumber)
    internal
    view
    returns (Entry memory)
    {
        return self.entries[indexByBlockNumber(self, _blockNumber)];
    }

    function addEntry(BlockNumbInts storage self, uint256 blockNumber, int256 value)
    internal
    {
        require(
            0 == self.entries.length ||
        blockNumber > self.entries[self.entries.length - 1].blockNumber,
            "Later entry found [BlockNumbIntsLib.sol:62]"
        );

        self.entries.push(Entry(blockNumber, value));
    }

    function count(BlockNumbInts storage self)
    internal
    view
    returns (uint256)
    {
        return self.entries.length;
    }

    function entries(BlockNumbInts storage self)
    internal
    view
    returns (Entry[] memory)
    {
        return self.entries;
    }

    function indexByBlockNumber(BlockNumbInts storage self, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        require(0 < self.entries.length, "No entries found [BlockNumbIntsLib.sol:92]");
        for (uint256 i = self.entries.length - 1; i >= 0; i--)
            if (blockNumber >= self.entries[i].blockNumber)
                return i;
        revert();
    }
}

library ConstantsLib {
    
    function PARTS_PER()
    public
    pure
    returns (int256)
    {
        return 1e18;
    }
}

library BlockNumbDisdIntsLib {
    using SafeMathIntLib for int256;

    
    
    
    struct Discount {
        int256 tier;
        int256 value;
    }

    struct Entry {
        uint256 blockNumber;
        int256 nominal;
        Discount[] discounts;
    }

    struct BlockNumbDisdInts {
        Entry[] entries;
    }

    
    
    
    function currentNominalValue(BlockNumbDisdInts storage self)
    internal
    view
    returns (int256)
    {
        return nominalValueAt(self, block.number);
    }

    function currentDiscountedValue(BlockNumbDisdInts storage self, int256 tier)
    internal
    view
    returns (int256)
    {
        return discountedValueAt(self, block.number, tier);
    }

    function currentEntry(BlockNumbDisdInts storage self)
    internal
    view
    returns (Entry memory)
    {
        return entryAt(self, block.number);
    }

    function nominalValueAt(BlockNumbDisdInts storage self, uint256 _blockNumber)
    internal
    view
    returns (int256)
    {
        return entryAt(self, _blockNumber).nominal;
    }

    function discountedValueAt(BlockNumbDisdInts storage self, uint256 _blockNumber, int256 tier)
    internal
    view
    returns (int256)
    {
        Entry memory entry = entryAt(self, _blockNumber);
        if (0 < entry.discounts.length) {
            uint256 index = indexByTier(entry.discounts, tier);
            if (0 < index)
                return entry.nominal.mul(
                    ConstantsLib.PARTS_PER().sub(entry.discounts[index - 1].value)
                ).div(
                    ConstantsLib.PARTS_PER()
                );
            else
                return entry.nominal;
        } else
            return entry.nominal;
    }

    function entryAt(BlockNumbDisdInts storage self, uint256 _blockNumber)
    internal
    view
    returns (Entry memory)
    {
        return self.entries[indexByBlockNumber(self, _blockNumber)];
    }

    function addNominalEntry(BlockNumbDisdInts storage self, uint256 blockNumber, int256 nominal)
    internal
    {
        require(
            0 == self.entries.length ||
        blockNumber > self.entries[self.entries.length - 1].blockNumber,
            "Later entry found [BlockNumbDisdIntsLib.sol:101]"
        );

        self.entries.length++;
        Entry storage entry = self.entries[self.entries.length - 1];

        entry.blockNumber = blockNumber;
        entry.nominal = nominal;
    }

    function addDiscountedEntry(BlockNumbDisdInts storage self, uint256 blockNumber, int256 nominal,
        int256[] memory discountTiers, int256[] memory discountValues)
    internal
    {
        require(discountTiers.length == discountValues.length, "Parameter array lengths mismatch [BlockNumbDisdIntsLib.sol:118]");

        addNominalEntry(self, blockNumber, nominal);

        Entry storage entry = self.entries[self.entries.length - 1];
        for (uint256 i = 0; i < discountTiers.length; i++)
            entry.discounts.push(Discount(discountTiers[i], discountValues[i]));
    }

    function count(BlockNumbDisdInts storage self)
    internal
    view
    returns (uint256)
    {
        return self.entries.length;
    }

    function entries(BlockNumbDisdInts storage self)
    internal
    view
    returns (Entry[] memory)
    {
        return self.entries;
    }

    function indexByBlockNumber(BlockNumbDisdInts storage self, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        require(0 < self.entries.length, "No entries found [BlockNumbDisdIntsLib.sol:148]");
        for (uint256 i = self.entries.length - 1; i >= 0; i--)
            if (blockNumber >= self.entries[i].blockNumber)
                return i;
        revert();
    }

    
    function indexByTier(Discount[] memory discounts, int256 tier)
    internal
    pure
    returns (uint256)
    {
        require(0 < discounts.length, "No discounts found [BlockNumbDisdIntsLib.sol:161]");
        for (uint256 i = discounts.length; i > 0; i--)
            if (tier >= discounts[i - 1].tier)
                return i;
        return 0;
    }
}

library MonetaryTypesLib {
    
    
    
    struct Currency {
        address ct;
        uint256 id;
    }

    struct Figure {
        int256 amount;
        Currency currency;
    }

    struct NoncedAmount {
        uint256 nonce;
        int256 amount;
    }
}

library BlockNumbReferenceCurrenciesLib {
    
    
    
    struct Entry {
        uint256 blockNumber;
        MonetaryTypesLib.Currency currency;
    }

    struct BlockNumbReferenceCurrencies {
        mapping(address => mapping(uint256 => Entry[])) entriesByCurrency;
    }

    
    
    
    function currentCurrency(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency)
    internal
    view
    returns (MonetaryTypesLib.Currency storage)
    {
        return currencyAt(self, referenceCurrency, block.number);
    }

    function currentEntry(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency)
    internal
    view
    returns (Entry storage)
    {
        return entryAt(self, referenceCurrency, block.number);
    }

    function currencyAt(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency,
        uint256 _blockNumber)
    internal
    view
    returns (MonetaryTypesLib.Currency storage)
    {
        return entryAt(self, referenceCurrency, _blockNumber).currency;
    }

    function entryAt(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency,
        uint256 _blockNumber)
    internal
    view
    returns (Entry storage)
    {
        return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][indexByBlockNumber(self, referenceCurrency, _blockNumber)];
    }

    function addEntry(BlockNumbReferenceCurrencies storage self, uint256 blockNumber,
        MonetaryTypesLib.Currency memory referenceCurrency, MonetaryTypesLib.Currency memory currency)
    internal
    {
        require(
            0 == self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length ||
        blockNumber > self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length - 1].blockNumber,
            "Later entry found for currency [BlockNumbReferenceCurrenciesLib.sol:67]"
        );

        self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].push(Entry(blockNumber, currency));
    }

    function count(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency)
    internal
    view
    returns (uint256)
    {
        return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length;
    }

    function entriesByCurrency(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency)
    internal
    view
    returns (Entry[] storage)
    {
        return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id];
    }

    function indexByBlockNumber(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency memory referenceCurrency, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        require(0 < self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length, "No entries found for currency [BlockNumbReferenceCurrenciesLib.sol:97]");
        for (uint256 i = self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length - 1; i >= 0; i--)
            if (blockNumber >= self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][i].blockNumber)
                return i;
        revert();
    }
}

library BlockNumbFiguresLib {
    
    
    
    struct Entry {
        uint256 blockNumber;
        MonetaryTypesLib.Figure value;
    }

    struct BlockNumbFigures {
        Entry[] entries;
    }

    
    
    
    function currentValue(BlockNumbFigures storage self)
    internal
    view
    returns (MonetaryTypesLib.Figure storage)
    {
        return valueAt(self, block.number);
    }

    function currentEntry(BlockNumbFigures storage self)
    internal
    view
    returns (Entry storage)
    {
        return entryAt(self, block.number);
    }

    function valueAt(BlockNumbFigures storage self, uint256 _blockNumber)
    internal
    view
    returns (MonetaryTypesLib.Figure storage)
    {
        return entryAt(self, _blockNumber).value;
    }

    function entryAt(BlockNumbFigures storage self, uint256 _blockNumber)
    internal
    view
    returns (Entry storage)
    {
        return self.entries[indexByBlockNumber(self, _blockNumber)];
    }

    function addEntry(BlockNumbFigures storage self, uint256 blockNumber, MonetaryTypesLib.Figure memory value)
    internal
    {
        require(
            0 == self.entries.length ||
        blockNumber > self.entries[self.entries.length - 1].blockNumber,
            "Later entry found [BlockNumbFiguresLib.sol:65]"
        );

        self.entries.push(Entry(blockNumber, value));
    }

    function count(BlockNumbFigures storage self)
    internal
    view
    returns (uint256)
    {
        return self.entries.length;
    }

    function entries(BlockNumbFigures storage self)
    internal
    view
    returns (Entry[] storage)
    {
        return self.entries;
    }

    function indexByBlockNumber(BlockNumbFigures storage self, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        require(0 < self.entries.length, "No entries found [BlockNumbFiguresLib.sol:95]");
        for (uint256 i = self.entries.length - 1; i >= 0; i--)
            if (blockNumber >= self.entries[i].blockNumber)
                return i;
        revert();
    }
}

contract Configuration is Modifiable, Ownable, Servable {
    using SafeMathIntLib for int256;
    using BlockNumbUintsLib for BlockNumbUintsLib.BlockNumbUints;
    using BlockNumbIntsLib for BlockNumbIntsLib.BlockNumbInts;
    using BlockNumbDisdIntsLib for BlockNumbDisdIntsLib.BlockNumbDisdInts;
    using BlockNumbReferenceCurrenciesLib for BlockNumbReferenceCurrenciesLib.BlockNumbReferenceCurrencies;
    using BlockNumbFiguresLib for BlockNumbFiguresLib.BlockNumbFigures;

    
    
    
    string constant public OPERATIONAL_MODE_ACTION = "operational_mode";

    
    
    
    enum OperationalMode {Normal, Exit}

    
    
    
    OperationalMode public operationalMode = OperationalMode.Normal;

    BlockNumbUintsLib.BlockNumbUints private updateDelayBlocksByBlockNumber;
    BlockNumbUintsLib.BlockNumbUints private confirmationBlocksByBlockNumber;

    BlockNumbDisdIntsLib.BlockNumbDisdInts private tradeMakerFeeByBlockNumber;
    BlockNumbDisdIntsLib.BlockNumbDisdInts private tradeTakerFeeByBlockNumber;
    BlockNumbDisdIntsLib.BlockNumbDisdInts private paymentFeeByBlockNumber;
    mapping(address => mapping(uint256 => BlockNumbDisdIntsLib.BlockNumbDisdInts)) private currencyPaymentFeeByBlockNumber;

    BlockNumbIntsLib.BlockNumbInts private tradeMakerMinimumFeeByBlockNumber;
    BlockNumbIntsLib.BlockNumbInts private tradeTakerMinimumFeeByBlockNumber;
    BlockNumbIntsLib.BlockNumbInts private paymentMinimumFeeByBlockNumber;
    mapping(address => mapping(uint256 => BlockNumbIntsLib.BlockNumbInts)) private currencyPaymentMinimumFeeByBlockNumber;

    BlockNumbReferenceCurrenciesLib.BlockNumbReferenceCurrencies private feeCurrencyByCurrencyBlockNumber;

    BlockNumbUintsLib.BlockNumbUints private walletLockTimeoutByBlockNumber;
    BlockNumbUintsLib.BlockNumbUints private cancelOrderChallengeTimeoutByBlockNumber;
    BlockNumbUintsLib.BlockNumbUints private settlementChallengeTimeoutByBlockNumber;

    BlockNumbUintsLib.BlockNumbUints private fraudStakeFractionByBlockNumber;
    BlockNumbUintsLib.BlockNumbUints private walletSettlementStakeFractionByBlockNumber;
    BlockNumbUintsLib.BlockNumbUints private operatorSettlementStakeFractionByBlockNumber;

    BlockNumbFiguresLib.BlockNumbFigures private operatorSettlementStakeByBlockNumber;

    uint256 public earliestSettlementBlockNumber;
    bool public earliestSettlementBlockNumberUpdateDisabled;

    
    
    
    event SetOperationalModeExitEvent();
    event SetUpdateDelayBlocksEvent(uint256 fromBlockNumber, uint256 newBlocks);
    event SetConfirmationBlocksEvent(uint256 fromBlockNumber, uint256 newBlocks);
    event SetTradeMakerFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
    event SetTradeTakerFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
    event SetPaymentFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
    event SetCurrencyPaymentFeeEvent(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal,
        int256[] discountTiers, int256[] discountValues);
    event SetTradeMakerMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
    event SetTradeTakerMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
    event SetPaymentMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
    event SetCurrencyPaymentMinimumFeeEvent(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal);
    event SetFeeCurrencyEvent(uint256 fromBlockNumber, address referenceCurrencyCt, uint256 referenceCurrencyId,
        address feeCurrencyCt, uint256 feeCurrencyId);
    event SetWalletLockTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
    event SetCancelOrderChallengeTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
    event SetSettlementChallengeTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
    event SetWalletSettlementStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
    event SetOperatorSettlementStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
    event SetOperatorSettlementStakeEvent(uint256 fromBlockNumber, int256 stakeAmount, address stakeCurrencyCt,
        uint256 stakeCurrencyId);
    event SetFraudStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
    event SetEarliestSettlementBlockNumberEvent(uint256 earliestSettlementBlockNumber);
    event DisableEarliestSettlementBlockNumberUpdateEvent();

    
    
    
    constructor(address deployer) Ownable(deployer) public {
        updateDelayBlocksByBlockNumber.addEntry(block.number, 0);
    }

    
    
    
    
    
    function setOperationalModeExit()
    public
    onlyEnabledServiceAction(OPERATIONAL_MODE_ACTION)
    {
        operationalMode = OperationalMode.Exit;
        emit SetOperationalModeExitEvent();
    }

    
    function isOperationalModeNormal()
    public
    view
    returns (bool)
    {
        return OperationalMode.Normal == operationalMode;
    }

    
    function isOperationalModeExit()
    public
    view
    returns (bool)
    {
        return OperationalMode.Exit == operationalMode;
    }

    
    
    function updateDelayBlocks()
    public
    view
    returns (uint256)
    {
        return updateDelayBlocksByBlockNumber.currentValue();
    }

    
    
    function updateDelayBlocksCount()
    public
    view
    returns (uint256)
    {
        return updateDelayBlocksByBlockNumber.count();
    }

    
    
    
    function setUpdateDelayBlocks(uint256 fromBlockNumber, uint256 newUpdateDelayBlocks)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        updateDelayBlocksByBlockNumber.addEntry(fromBlockNumber, newUpdateDelayBlocks);
        emit SetUpdateDelayBlocksEvent(fromBlockNumber, newUpdateDelayBlocks);
    }

    
    
    function confirmationBlocks()
    public
    view
    returns (uint256)
    {
        return confirmationBlocksByBlockNumber.currentValue();
    }

    
    
    function confirmationBlocksCount()
    public
    view
    returns (uint256)
    {
        return confirmationBlocksByBlockNumber.count();
    }

    
    
    
    function setConfirmationBlocks(uint256 fromBlockNumber, uint256 newConfirmationBlocks)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        confirmationBlocksByBlockNumber.addEntry(fromBlockNumber, newConfirmationBlocks);
        emit SetConfirmationBlocksEvent(fromBlockNumber, newConfirmationBlocks);
    }

    
    function tradeMakerFeesCount()
    public
    view
    returns (uint256)
    {
        return tradeMakerFeeByBlockNumber.count();
    }

    
    
    
    function tradeMakerFee(uint256 blockNumber, int256 discountTier)
    public
    view
    returns (int256)
    {
        return tradeMakerFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
    }

    
    
    
    
    
    function setTradeMakerFee(uint256 fromBlockNumber, int256 nominal, int256[] memory discountTiers, int256[] memory discountValues)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        tradeMakerFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
        emit SetTradeMakerFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
    }

    
    function tradeTakerFeesCount()
    public
    view
    returns (uint256)
    {
        return tradeTakerFeeByBlockNumber.count();
    }

    
    
    
    function tradeTakerFee(uint256 blockNumber, int256 discountTier)
    public
    view
    returns (int256)
    {
        return tradeTakerFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
    }

    
    
    
    
    
    function setTradeTakerFee(uint256 fromBlockNumber, int256 nominal, int256[] memory discountTiers, int256[] memory discountValues)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        tradeTakerFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
        emit SetTradeTakerFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
    }

    
    function paymentFeesCount()
    public
    view
    returns (uint256)
    {
        return paymentFeeByBlockNumber.count();
    }

    
    
    
    function paymentFee(uint256 blockNumber, int256 discountTier)
    public
    view
    returns (int256)
    {
        return paymentFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
    }

    
    
    
    
    
    function setPaymentFee(uint256 fromBlockNumber, int256 nominal, int256[] memory discountTiers, int256[] memory discountValues)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        paymentFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
        emit SetPaymentFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
    }

    
    
    
    function currencyPaymentFeesCount(address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return currencyPaymentFeeByBlockNumber[currencyCt][currencyId].count();
    }

    
    
    
    
    
    
    function currencyPaymentFee(uint256 blockNumber, address currencyCt, uint256 currencyId, int256 discountTier)
    public
    view
    returns (int256)
    {
        if (0 < currencyPaymentFeeByBlockNumber[currencyCt][currencyId].count())
            return currencyPaymentFeeByBlockNumber[currencyCt][currencyId].discountedValueAt(
                blockNumber, discountTier
            );
        else
            return paymentFee(blockNumber, discountTier);
    }

    
    
    
    
    
    
    
    
    function setCurrencyPaymentFee(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal,
        int256[] memory discountTiers, int256[] memory discountValues)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        currencyPaymentFeeByBlockNumber[currencyCt][currencyId].addDiscountedEntry(
            fromBlockNumber, nominal, discountTiers, discountValues
        );
        emit SetCurrencyPaymentFeeEvent(
            fromBlockNumber, currencyCt, currencyId, nominal, discountTiers, discountValues
        );
    }

    
    function tradeMakerMinimumFeesCount()
    public
    view
    returns (uint256)
    {
        return tradeMakerMinimumFeeByBlockNumber.count();
    }

    
    
    function tradeMakerMinimumFee(uint256 blockNumber)
    public
    view
    returns (int256)
    {
        return tradeMakerMinimumFeeByBlockNumber.valueAt(blockNumber);
    }

    
    
    
    function setTradeMakerMinimumFee(uint256 fromBlockNumber, int256 nominal)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        tradeMakerMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
        emit SetTradeMakerMinimumFeeEvent(fromBlockNumber, nominal);
    }

    
    function tradeTakerMinimumFeesCount()
    public
    view
    returns (uint256)
    {
        return tradeTakerMinimumFeeByBlockNumber.count();
    }

    
    
    function tradeTakerMinimumFee(uint256 blockNumber)
    public
    view
    returns (int256)
    {
        return tradeTakerMinimumFeeByBlockNumber.valueAt(blockNumber);
    }

    
    
    
    function setTradeTakerMinimumFee(uint256 fromBlockNumber, int256 nominal)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        tradeTakerMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
        emit SetTradeTakerMinimumFeeEvent(fromBlockNumber, nominal);
    }

    
    function paymentMinimumFeesCount()
    public
    view
    returns (uint256)
    {
        return paymentMinimumFeeByBlockNumber.count();
    }

    
    
    function paymentMinimumFee(uint256 blockNumber)
    public
    view
    returns (int256)
    {
        return paymentMinimumFeeByBlockNumber.valueAt(blockNumber);
    }

    
    
    
    function setPaymentMinimumFee(uint256 fromBlockNumber, int256 nominal)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        paymentMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
        emit SetPaymentMinimumFeeEvent(fromBlockNumber, nominal);
    }

    
    
    
    function currencyPaymentMinimumFeesCount(address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].count();
    }

    
    
    
    
    function currencyPaymentMinimumFee(uint256 blockNumber, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256)
    {
        if (0 < currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].count())
            return currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].valueAt(blockNumber);
        else
            return paymentMinimumFee(blockNumber);
    }

    
    
    
    
    
    function setCurrencyPaymentMinimumFee(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].addEntry(fromBlockNumber, nominal);
        emit SetCurrencyPaymentMinimumFeeEvent(fromBlockNumber, currencyCt, currencyId, nominal);
    }

    
    
    
    function feeCurrenciesCount(address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return feeCurrencyByCurrencyBlockNumber.count(MonetaryTypesLib.Currency(currencyCt, currencyId));
    }

    
    
    
    
    function feeCurrency(uint256 blockNumber, address currencyCt, uint256 currencyId)
    public
    view
    returns (address ct, uint256 id)
    {
        MonetaryTypesLib.Currency storage _feeCurrency = feeCurrencyByCurrencyBlockNumber.currencyAt(
            MonetaryTypesLib.Currency(currencyCt, currencyId), blockNumber
        );
        ct = _feeCurrency.ct;
        id = _feeCurrency.id;
    }

    
    
    
    
    
    
    function setFeeCurrency(uint256 fromBlockNumber, address referenceCurrencyCt, uint256 referenceCurrencyId,
        address feeCurrencyCt, uint256 feeCurrencyId)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        feeCurrencyByCurrencyBlockNumber.addEntry(
            fromBlockNumber,
            MonetaryTypesLib.Currency(referenceCurrencyCt, referenceCurrencyId),
            MonetaryTypesLib.Currency(feeCurrencyCt, feeCurrencyId)
        );
        emit SetFeeCurrencyEvent(fromBlockNumber, referenceCurrencyCt, referenceCurrencyId,
            feeCurrencyCt, feeCurrencyId);
    }

    
    
    function walletLockTimeout()
    public
    view
    returns (uint256)
    {
        return walletLockTimeoutByBlockNumber.currentValue();
    }

    
    
    
    function setWalletLockTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        walletLockTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
        emit SetWalletLockTimeoutEvent(fromBlockNumber, timeoutInSeconds);
    }

    
    
    function cancelOrderChallengeTimeout()
    public
    view
    returns (uint256)
    {
        return cancelOrderChallengeTimeoutByBlockNumber.currentValue();
    }

    
    
    
    function setCancelOrderChallengeTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        cancelOrderChallengeTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
        emit SetCancelOrderChallengeTimeoutEvent(fromBlockNumber, timeoutInSeconds);
    }

    
    
    function settlementChallengeTimeout()
    public
    view
    returns (uint256)
    {
        return settlementChallengeTimeoutByBlockNumber.currentValue();
    }

    
    
    
    function setSettlementChallengeTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        settlementChallengeTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
        emit SetSettlementChallengeTimeoutEvent(fromBlockNumber, timeoutInSeconds);
    }

    
    
    function fraudStakeFraction()
    public
    view
    returns (uint256)
    {
        return fraudStakeFractionByBlockNumber.currentValue();
    }

    
    
    
    
    function setFraudStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        fraudStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
        emit SetFraudStakeFractionEvent(fromBlockNumber, stakeFraction);
    }

    
    
    function walletSettlementStakeFraction()
    public
    view
    returns (uint256)
    {
        return walletSettlementStakeFractionByBlockNumber.currentValue();
    }

    
    
    
    
    function setWalletSettlementStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        walletSettlementStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
        emit SetWalletSettlementStakeFractionEvent(fromBlockNumber, stakeFraction);
    }

    
    
    function operatorSettlementStakeFraction()
    public
    view
    returns (uint256)
    {
        return operatorSettlementStakeFractionByBlockNumber.currentValue();
    }

    
    
    
    
    function setOperatorSettlementStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        operatorSettlementStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
        emit SetOperatorSettlementStakeFractionEvent(fromBlockNumber, stakeFraction);
    }

    
    
    function operatorSettlementStake()
    public
    view
    returns (int256 amount, address currencyCt, uint256 currencyId)
    {
        MonetaryTypesLib.Figure storage stake = operatorSettlementStakeByBlockNumber.currentValue();
        amount = stake.amount;
        currencyCt = stake.currency.ct;
        currencyId = stake.currency.id;
    }

    
    
    
    
    
    
    function setOperatorSettlementStake(uint256 fromBlockNumber, int256 stakeAmount,
        address stakeCurrencyCt, uint256 stakeCurrencyId)
    public
    onlyOperator
    onlyDelayedBlockNumber(fromBlockNumber)
    {
        MonetaryTypesLib.Figure memory stake = MonetaryTypesLib.Figure(stakeAmount, MonetaryTypesLib.Currency(stakeCurrencyCt, stakeCurrencyId));
        operatorSettlementStakeByBlockNumber.addEntry(fromBlockNumber, stake);
        emit SetOperatorSettlementStakeEvent(fromBlockNumber, stakeAmount, stakeCurrencyCt, stakeCurrencyId);
    }

    
    
    function setEarliestSettlementBlockNumber(uint256 _earliestSettlementBlockNumber)
    public
    onlyOperator
    {
        require(!earliestSettlementBlockNumberUpdateDisabled, "Earliest settlement block number update disabled [Configuration.sol:715]");

        earliestSettlementBlockNumber = _earliestSettlementBlockNumber;
        emit SetEarliestSettlementBlockNumberEvent(earliestSettlementBlockNumber);
    }

    
    
    function disableEarliestSettlementBlockNumberUpdate()
    public
    onlyOperator
    {
        earliestSettlementBlockNumberUpdateDisabled = true;
        emit DisableEarliestSettlementBlockNumberUpdateEvent();
    }

    
    
    
    modifier onlyDelayedBlockNumber(uint256 blockNumber) {
        require(
            0 == updateDelayBlocksByBlockNumber.count() ||
        blockNumber >= block.number + updateDelayBlocksByBlockNumber.currentValue(),
            "Block number not sufficiently delayed [Configuration.sol:735]"
        );
        _;
    }
}

contract Configurable is Ownable {
    
    
    
    Configuration public configuration;

    
    
    
    event SetConfigurationEvent(Configuration oldConfiguration, Configuration newConfiguration);

    
    
    
    
    
    function setConfiguration(Configuration newConfiguration)
    public
    onlyDeployer
    notNullAddress(address(newConfiguration))
    notSameAddresses(address(newConfiguration), address(configuration))
    {
        
        Configuration oldConfiguration = configuration;
        configuration = newConfiguration;

        
        emit SetConfigurationEvent(oldConfiguration, newConfiguration);
    }

    
    
    
    modifier configurationInitialized() {
        require(address(configuration) != address(0), "Configuration not initialized [Configurable.sol:52]");
        _;
    }
}

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

    function div(uint256 a, uint256 b)
    internal
    pure
    returns (uint256)
    {
        
        uint256 c = a / b;
        
        return c;
    }

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

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

    
    
    
    function clamp(uint256 a, uint256 min, uint256 max)
    public
    pure
    returns (uint256)
    {
        return (a > max) ? max : ((a < min) ? min : a);
    }

    function clampMin(uint256 a, uint256 min)
    public
    pure
    returns (uint256)
    {
        return (a < min) ? min : a;
    }

    function clampMax(uint256 a, uint256 max)
    public
    pure
    returns (uint256)
    {
        return (a > max) ? max : a;
    }
}

library NahmiiTypesLib {
    
    
    
    enum ChallengePhase {Dispute, Closed}

    
    
    
    struct OriginFigure {
        uint256 originId;
        MonetaryTypesLib.Figure figure;
    }

    struct IntendedConjugateCurrency {
        MonetaryTypesLib.Currency intended;
        MonetaryTypesLib.Currency conjugate;
    }

    struct SingleFigureTotalOriginFigures {
        MonetaryTypesLib.Figure single;
        OriginFigure[] total;
    }

    struct TotalOriginFigures {
        OriginFigure[] total;
    }

    struct CurrentPreviousInt256 {
        int256 current;
        int256 previous;
    }

    struct SingleTotalInt256 {
        int256 single;
        int256 total;
    }

    struct IntendedConjugateCurrentPreviousInt256 {
        CurrentPreviousInt256 intended;
        CurrentPreviousInt256 conjugate;
    }

    struct IntendedConjugateSingleTotalInt256 {
        SingleTotalInt256 intended;
        SingleTotalInt256 conjugate;
    }

    struct WalletOperatorHashes {
        bytes32 wallet;
        bytes32 operator;
    }

    struct Signature {
        bytes32 r;
        bytes32 s;
        uint8 v;
    }

    struct Seal {
        bytes32 hash;
        Signature signature;
    }

    struct WalletOperatorSeal {
        Seal wallet;
        Seal operator;
    }
}

library PaymentTypesLib {
    
    
    
    enum PaymentPartyRole {Sender, Recipient}

    
    
    
    struct PaymentSenderParty {
        uint256 nonce;
        address wallet;

        NahmiiTypesLib.CurrentPreviousInt256 balances;

        NahmiiTypesLib.SingleFigureTotalOriginFigures fees;

        string data;
    }

    struct PaymentRecipientParty {
        uint256 nonce;
        address wallet;

        NahmiiTypesLib.CurrentPreviousInt256 balances;

        NahmiiTypesLib.TotalOriginFigures fees;
    }

    struct Operator {
        uint256 id;
        string data;
    }

    struct Payment {
        int256 amount;
        MonetaryTypesLib.Currency currency;

        PaymentSenderParty sender;
        PaymentRecipientParty recipient;

        
        NahmiiTypesLib.SingleTotalInt256 transfers;

        NahmiiTypesLib.WalletOperatorSeal seals;
        uint256 blockNumber;

        Operator operator;
    }

    
    
    
    function PAYMENT_KIND()
    public
    pure
    returns (string memory)
    {
        return "payment";
    }
}

contract PaymentHasher is Ownable {
    
    
    
    constructor(address deployer) Ownable(deployer) public {
    }

    
    
    
    function hashPaymentAsWallet(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bytes32)
    {
        bytes32 amountCurrencyHash = hashPaymentAmountCurrency(payment);
        bytes32 senderHash = hashPaymentSenderPartyAsWallet(payment.sender);
        bytes32 recipientHash = hashAddress(payment.recipient.wallet);

        return keccak256(abi.encodePacked(amountCurrencyHash, senderHash, recipientHash));
    }

    function hashPaymentAsOperator(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bytes32)
    {
        bytes32 walletSignatureHash = hashSignature(payment.seals.wallet.signature);
        bytes32 senderHash = hashPaymentSenderPartyAsOperator(payment.sender);
        bytes32 recipientHash = hashPaymentRecipientPartyAsOperator(payment.recipient);
        bytes32 transfersHash = hashSingleTotalInt256(payment.transfers);
        bytes32 operatorHash = hashString(payment.operator.data);

        return keccak256(abi.encodePacked(
                walletSignatureHash, senderHash, recipientHash, transfersHash, operatorHash
            ));
    }

    function hashPaymentAmountCurrency(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                payment.amount,
                payment.currency.ct,
                payment.currency.id
            ));
    }

    function hashPaymentSenderPartyAsWallet(
        PaymentTypesLib.PaymentSenderParty memory paymentSenderParty)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                paymentSenderParty.wallet,
                paymentSenderParty.data
            ));
    }

    function hashPaymentSenderPartyAsOperator(
        PaymentTypesLib.PaymentSenderParty memory paymentSenderParty)
    public
    pure
    returns (bytes32)
    {
        bytes32 rootHash = hashUint256(paymentSenderParty.nonce);
        bytes32 balancesHash = hashCurrentPreviousInt256(paymentSenderParty.balances);
        bytes32 singleFeeHash = hashFigure(paymentSenderParty.fees.single);
        bytes32 totalFeesHash = hashOriginFigures(paymentSenderParty.fees.total);

        return keccak256(abi.encodePacked(
                rootHash, balancesHash, singleFeeHash, totalFeesHash
            ));
    }

    function hashPaymentRecipientPartyAsOperator(
        PaymentTypesLib.PaymentRecipientParty memory paymentRecipientParty)
    public
    pure
    returns (bytes32)
    {
        bytes32 rootHash = hashUint256(paymentRecipientParty.nonce);
        bytes32 balancesHash = hashCurrentPreviousInt256(paymentRecipientParty.balances);
        bytes32 totalFeesHash = hashOriginFigures(paymentRecipientParty.fees.total);

        return keccak256(abi.encodePacked(
                rootHash, balancesHash, totalFeesHash
            ));
    }

    function hashCurrentPreviousInt256(
        NahmiiTypesLib.CurrentPreviousInt256 memory currentPreviousInt256)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                currentPreviousInt256.current,
                currentPreviousInt256.previous
            ));
    }

    function hashSingleTotalInt256(
        NahmiiTypesLib.SingleTotalInt256 memory singleTotalInt256)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                singleTotalInt256.single,
                singleTotalInt256.total
            ));
    }

    function hashFigure(MonetaryTypesLib.Figure memory figure)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                figure.amount,
                figure.currency.ct,
                figure.currency.id
            ));
    }

    function hashOriginFigures(NahmiiTypesLib.OriginFigure[] memory originFigures)
    public
    pure
    returns (bytes32)
    {
        bytes32 hash;
        for (uint256 i = 0; i < originFigures.length; i++) {
            hash = keccak256(abi.encodePacked(
                    hash,
                    originFigures[i].originId,
                    originFigures[i].figure.amount,
                    originFigures[i].figure.currency.ct,
                    originFigures[i].figure.currency.id
                )
            );
        }
        return hash;
    }

    function hashUint256(uint256 _uint256)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(_uint256));
    }

    function hashString(string memory _string)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(_string));
    }

    function hashAddress(address _address)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(_address));
    }

    function hashSignature(NahmiiTypesLib.Signature memory signature)
    public
    pure
    returns (bytes32)
    {
        return keccak256(abi.encodePacked(
                signature.v,
                signature.r,
                signature.s
            ));
    }
}

contract PaymentHashable is Ownable {
    
    
    
    PaymentHasher public paymentHasher;

    
    
    
    event SetPaymentHasherEvent(PaymentHasher oldPaymentHasher, PaymentHasher newPaymentHasher);

    
    
    
    
    
    function setPaymentHasher(PaymentHasher newPaymentHasher)
    public
    onlyDeployer
    notNullAddress(address(newPaymentHasher))
    notSameAddresses(address(newPaymentHasher), address(paymentHasher))
    {
        
        PaymentHasher oldPaymentHasher = paymentHasher;
        paymentHasher = newPaymentHasher;

        
        emit SetPaymentHasherEvent(oldPaymentHasher, newPaymentHasher);
    }

    
    
    
    modifier paymentHasherInitialized() {
        require(address(paymentHasher) != address(0), "Payment hasher not initialized [PaymentHashable.sol:52]");
        _;
    }
}

contract SignerManager is Ownable {
    using SafeMathUintLib for uint256;
    
    
    
    
    mapping(address => uint256) public signerIndicesMap; 
    address[] public signers;

    
    
    
    event RegisterSignerEvent(address signer);

    
    
    
    constructor(address deployer) Ownable(deployer) public {
        registerSigner(deployer);
    }

    
    
    
    
    
    
    function isSigner(address _address)
    public
    view
    returns (bool)
    {
        return 0 < signerIndicesMap[_address];
    }

    
    
    function signersCount()
    public
    view
    returns (uint256)
    {
        return signers.length;
    }

    
    
    
    function signerIndex(address _address)
    public
    view
    returns (uint256)
    {
        require(isSigner(_address), "Address not signer [SignerManager.sol:71]");
        return signerIndicesMap[_address] - 1;
    }

    
    
    function registerSigner(address newSigner)
    public
    onlyOperator
    notNullOrThisAddress(newSigner)
    {
        if (0 == signerIndicesMap[newSigner]) {
            
            signers.push(newSigner);
            signerIndicesMap[newSigner] = signers.length;

            
            emit RegisterSignerEvent(newSigner);
        }
    }

    
    
    
    
    function signersByIndices(uint256 low, uint256 up)
    public
    view
    returns (address[] memory)
    {
        require(0 < signers.length, "No signers found [SignerManager.sol:101]");
        require(low <= up, "Bounds parameters mismatch [SignerManager.sol:102]");

        up = up.clampMax(signers.length - 1);
        address[] memory _signers = new address[](up - low + 1);
        for (uint256 i = low; i <= up; i++)
            _signers[i - low] = signers[i];

        return _signers;
    }
}

contract SignerManageable is Ownable {
    
    
    
    SignerManager public signerManager;

    
    
    
    event SetSignerManagerEvent(address oldSignerManager, address newSignerManager);

    
    
    
    constructor(address manager) public notNullAddress(manager) {
        signerManager = SignerManager(manager);
    }

    
    
    
    
    
    function setSignerManager(address newSignerManager)
    public
    onlyDeployer
    notNullOrThisAddress(newSignerManager)
    {
        if (newSignerManager != address(signerManager)) {
            
            address oldSignerManager = address(signerManager);
            signerManager = SignerManager(newSignerManager);

            
            emit SetSignerManagerEvent(oldSignerManager, newSignerManager);
        }
    }

    
    
    
    
    
    
    function ethrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s)
    public
    pure
    returns (address)
    {
        bytes memory prefix = "\x19Ethereum Signed Message:\n32";
        bytes32 prefixedHash = keccak256(abi.encodePacked(prefix, hash));
        return ecrecover(prefixedHash, v, r, s);
    }

    
    
    
    
    
    
    function isSignedByRegisteredSigner(bytes32 hash, uint8 v, bytes32 r, bytes32 s)
    public
    view
    returns (bool)
    {
        return signerManager.isSigner(ethrecover(hash, v, r, s));
    }

    
    
    
    
    
    
    
    function isSignedBy(bytes32 hash, uint8 v, bytes32 r, bytes32 s, address signer)
    public
    pure
    returns (bool)
    {
        return signer == ethrecover(hash, v, r, s);
    }

    
    
    modifier signerManagerInitialized() {
        require(address(signerManager) != address(0), "Signer manager not initialized [SignerManageable.sol:105]");
        _;
    }
}

contract Validator is Ownable, SignerManageable, Configurable, PaymentHashable {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;

    
    
    
    constructor(address deployer, address signerManager) Ownable(deployer) SignerManageable(signerManager) public {
    }

    
    
    
    function isGenuineOperatorSignature(bytes32 hash, NahmiiTypesLib.Signature memory signature)
    public
    view
    returns (bool)
    {
        return isSignedByRegisteredSigner(hash, signature.v, signature.r, signature.s);
    }

    function isGenuineWalletSignature(bytes32 hash, NahmiiTypesLib.Signature memory signature, address wallet)
    public
    pure
    returns (bool)
    {
        return isSignedBy(hash, signature.v, signature.r, signature.s, wallet);
    }

    function isGenuinePaymentWalletHash(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return paymentHasher.hashPaymentAsWallet(payment) == payment.seals.wallet.hash;
    }

    function isGenuinePaymentOperatorHash(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return paymentHasher.hashPaymentAsOperator(payment) == payment.seals.operator.hash;
    }

    function isGenuinePaymentWalletSeal(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return isGenuinePaymentWalletHash(payment)
        && isGenuineWalletSignature(payment.seals.wallet.hash, payment.seals.wallet.signature, payment.sender.wallet);
    }

    function isGenuinePaymentOperatorSeal(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return isGenuinePaymentOperatorHash(payment)
        && isGenuineOperatorSignature(payment.seals.operator.hash, payment.seals.operator.signature);
    }

    function isGenuinePaymentSeals(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return isGenuinePaymentWalletSeal(payment) && isGenuinePaymentOperatorSeal(payment);
    }

    
    function isGenuinePaymentFeeOfFungible(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        int256 feePartsPer = int256(ConstantsLib.PARTS_PER());

        int256 feeAmount = payment.amount
        .mul(
            configuration.currencyPaymentFee(
                payment.blockNumber, payment.currency.ct, payment.currency.id, payment.amount
            )
        ).div(feePartsPer);

        if (1 > feeAmount)
            feeAmount = 1;

        return (payment.sender.fees.single.amount == feeAmount);
    }

    
    function isGenuinePaymentFeeOfNonFungible(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        (address feeCurrencyCt, uint256 feeCurrencyId) = configuration.feeCurrency(
            payment.blockNumber, payment.currency.ct, payment.currency.id
        );

        return feeCurrencyCt == payment.sender.fees.single.currency.ct
        && feeCurrencyId == payment.sender.fees.single.currency.id;
    }

    
    function isGenuinePaymentSenderOfFungible(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return (payment.sender.wallet != payment.recipient.wallet)
        && (!signerManager.isSigner(payment.sender.wallet))
        && (payment.sender.balances.current == payment.sender.balances.previous.sub(payment.transfers.single).sub(payment.sender.fees.single.amount));
    }

    
    function isGenuinePaymentRecipientOfFungible(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bool)
    {
        return (payment.sender.wallet != payment.recipient.wallet)
        && (payment.recipient.balances.current == payment.recipient.balances.previous.add(payment.transfers.single));
    }

    
    function isGenuinePaymentSenderOfNonFungible(PaymentTypesLib.Payment memory payment)
    public
    view
    returns (bool)
    {
        return (payment.sender.wallet != payment.recipient.wallet)
        && (!signerManager.isSigner(payment.sender.wallet));
    }

    
    function isGenuinePaymentRecipientOfNonFungible(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bool)
    {
        return (payment.sender.wallet != payment.recipient.wallet);
    }

    function isSuccessivePaymentsPartyNonces(
        PaymentTypesLib.Payment memory firstPayment,
        PaymentTypesLib.PaymentPartyRole firstPaymentPartyRole,
        PaymentTypesLib.Payment memory lastPayment,
        PaymentTypesLib.PaymentPartyRole lastPaymentPartyRole
    )
    public
    pure
    returns (bool)
    {
        uint256 firstNonce = (PaymentTypesLib.PaymentPartyRole.Sender == firstPaymentPartyRole ? firstPayment.sender.nonce : firstPayment.recipient.nonce);
        uint256 lastNonce = (PaymentTypesLib.PaymentPartyRole.Sender == lastPaymentPartyRole ? lastPayment.sender.nonce : lastPayment.recipient.nonce);
        return lastNonce == firstNonce.add(1);
    }

    function isGenuineSuccessivePaymentsBalances(
        PaymentTypesLib.Payment memory firstPayment,
        PaymentTypesLib.PaymentPartyRole firstPaymentPartyRole,
        PaymentTypesLib.Payment memory lastPayment,
        PaymentTypesLib.PaymentPartyRole lastPaymentPartyRole,
        int256 delta
    )
    public
    pure
    returns (bool)
    {
        NahmiiTypesLib.CurrentPreviousInt256 memory firstCurrentPreviousBalances = (PaymentTypesLib.PaymentPartyRole.Sender == firstPaymentPartyRole ? firstPayment.sender.balances : firstPayment.recipient.balances);
        NahmiiTypesLib.CurrentPreviousInt256 memory lastCurrentPreviousBalances = (PaymentTypesLib.PaymentPartyRole.Sender == lastPaymentPartyRole ? lastPayment.sender.balances : lastPayment.recipient.balances);

        return lastCurrentPreviousBalances.previous == firstCurrentPreviousBalances.current.add(delta);
    }

    function isGenuineSuccessivePaymentsTotalFees(
        PaymentTypesLib.Payment memory firstPayment,
        PaymentTypesLib.Payment memory lastPayment
    )
    public
    pure
    returns (bool)
    {
        MonetaryTypesLib.Figure memory firstTotalFee = getProtocolFigureByCurrency(firstPayment.sender.fees.total, lastPayment.sender.fees.single.currency);
        MonetaryTypesLib.Figure memory lastTotalFee = getProtocolFigureByCurrency(lastPayment.sender.fees.total, lastPayment.sender.fees.single.currency);
        return lastTotalFee.amount == firstTotalFee.amount.add(lastPayment.sender.fees.single.amount);
    }

    function isPaymentParty(PaymentTypesLib.Payment memory payment, address wallet)
    public
    pure
    returns (bool)
    {
        return wallet == payment.sender.wallet || wallet == payment.recipient.wallet;
    }

    function isPaymentSender(PaymentTypesLib.Payment memory payment, address wallet)
    public
    pure
    returns (bool)
    {
        return wallet == payment.sender.wallet;
    }

    function isPaymentRecipient(PaymentTypesLib.Payment memory payment, address wallet)
    public
    pure
    returns (bool)
    {
        return wallet == payment.recipient.wallet;
    }

    function isPaymentCurrency(PaymentTypesLib.Payment memory payment, MonetaryTypesLib.Currency memory currency)
    public
    pure
    returns (bool)
    {
        return currency.ct == payment.currency.ct && currency.id == payment.currency.id;
    }

    function isPaymentCurrencyNonFungible(PaymentTypesLib.Payment memory payment)
    public
    pure
    returns (bool)
    {
        return payment.currency.ct != payment.sender.fees.single.currency.ct
        || payment.currency.id != payment.sender.fees.single.currency.id;
    }

    
    
    
    function getProtocolFigureByCurrency(NahmiiTypesLib.OriginFigure[] memory originFigures, MonetaryTypesLib.Currency memory currency)
    private
    pure
    returns (MonetaryTypesLib.Figure memory) {
        for (uint256 i = 0; i < originFigures.length; i++)
            if (originFigures[i].figure.currency.ct == currency.ct && originFigures[i].figure.currency.id == currency.id
            && originFigures[i].originId == 0)
                return originFigures[i].figure;
        return MonetaryTypesLib.Figure(0, currency);
    }
}

library TradeTypesLib {
    
    
    
    enum CurrencyRole {Intended, Conjugate}
    enum LiquidityRole {Maker, Taker}
    enum Intention {Buy, Sell}
    enum TradePartyRole {Buyer, Seller}

    
    
    
    struct OrderPlacement {
        Intention intention;

        int256 amount;
        NahmiiTypesLib.IntendedConjugateCurrency currencies;
        int256 rate;

        NahmiiTypesLib.CurrentPreviousInt256 residuals;
    }

    struct Order {
        uint256 nonce;
        address wallet;

        OrderPlacement placement;

        NahmiiTypesLib.WalletOperatorSeal seals;
        uint256 blockNumber;
        uint256 operatorId;
    }

    struct TradeOrder {
        int256 amount;
        NahmiiTypesLib.WalletOperatorHashes hashes;
        NahmiiTypesLib.CurrentPreviousInt256 residuals;
    }

    struct TradeParty {
        uint256 nonce;
        address wallet;

        uint256 rollingVolume;

        LiquidityRole liquidityRole;

        TradeOrder order;

        NahmiiTypesLib.IntendedConjugateCurrentPreviousInt256 balances;

        NahmiiTypesLib.SingleFigureTotalOriginFigures fees;
    }

    struct Trade {
        uint256 nonce;

        int256 amount;
        NahmiiTypesLib.IntendedConjugateCurrency currencies;
        int256 rate;

        TradeParty buyer;
        TradeParty seller;

        
        
        NahmiiTypesLib.IntendedConjugateSingleTotalInt256 transfers;

        NahmiiTypesLib.Seal seal;
        uint256 blockNumber;
        uint256 operatorId;
    }

    
    
    
    function TRADE_KIND()
    public
    pure
    returns (string memory)
    {
        return "trade";
    }

    function ORDER_KIND()
    public
    pure
    returns (string memory)
    {
        return "order";
    }
}

contract Validatable is Ownable {
    
    
    
    Validator public validator;

    
    
    
    event SetValidatorEvent(Validator oldValidator, Validator newValidator);

    
    
    
    
    
    function setValidator(Validator newValidator)
    public
    onlyDeployer
    notNullAddress(address(newValidator))
    notSameAddresses(address(newValidator), address(validator))
    {
        
        Validator oldValidator = validator;
        validator = newValidator;

        
        emit SetValidatorEvent(oldValidator, newValidator);
    }

    
    
    
    modifier validatorInitialized() {
        require(address(validator) != address(0), "Validator not initialized [Validatable.sol:55]");
        _;
    }

    modifier onlyOperatorSealedPayment(PaymentTypesLib.Payment memory payment) {
        require(validator.isGenuinePaymentOperatorSeal(payment), "Payment operator seal not genuine [Validatable.sol:60]");
        _;
    }

    modifier onlySealedPayment(PaymentTypesLib.Payment memory payment) {
        require(validator.isGenuinePaymentSeals(payment), "Payment seals not genuine [Validatable.sol:65]");
        _;
    }

    modifier onlyPaymentParty(PaymentTypesLib.Payment memory payment, address wallet) {
        require(validator.isPaymentParty(payment, wallet), "Wallet not payment party [Validatable.sol:70]");
        _;
    }

    modifier onlyPaymentSender(PaymentTypesLib.Payment memory payment, address wallet) {
        require(validator.isPaymentSender(payment, wallet), "Wallet not payment sender [Validatable.sol:75]");
        _;
    }
}

contract Beneficiary {
    
    
    
    function receiveEthersTo(address wallet, string memory balanceType)
    public
    payable;

    
    
    
    
    
    
    
    
    function receiveTokensTo(address wallet, string memory balanceType, int256 amount, address currencyCt,
        uint256 currencyId, string memory standard)
    public;
}

contract AccrualBeneficiary is Beneficiary {
    
    
    
    event CloseAccrualPeriodEvent();

    
    
    
    function closeAccrualPeriod(MonetaryTypesLib.Currency[] memory)
    public
    {
        emit CloseAccrualPeriodEvent();
    }
}

contract TransferController {
    
    
    
    event CurrencyTransferred(address from, address to, uint256 value,
        address currencyCt, uint256 currencyId);

    
    
    
    function isFungible()
    public
    view
    returns (bool);

    function standard()
    public
    view
    returns (string memory);

    
    function receive(address from, address to, uint256 value, address currencyCt, uint256 currencyId)
    public;

    
    function approve(address to, uint256 value, address currencyCt, uint256 currencyId)
    public;

    
    function dispatch(address from, address to, uint256 value, address currencyCt, uint256 currencyId)
    public;

    

    function getReceiveSignature()
    public
    pure
    returns (bytes4)
    {
        return bytes4(keccak256("receive(address,address,uint256,address,uint256)"));
    }

    function getApproveSignature()
    public
    pure
    returns (bytes4)
    {
        return bytes4(keccak256("approve(address,uint256,address,uint256)"));
    }

    function getDispatchSignature()
    public
    pure
    returns (bytes4)
    {
        return bytes4(keccak256("dispatch(address,address,uint256,address,uint256)"));
    }
}

contract TransferControllerManager is Ownable {
    
    
    
    struct CurrencyInfo {
        bytes32 standard;
        bool blacklisted;
    }

    
    
    
    mapping(bytes32 => address) public registeredTransferControllers;
    mapping(address => CurrencyInfo) public registeredCurrencies;

    
    
    
    event RegisterTransferControllerEvent(string standard, address controller);
    event ReassociateTransferControllerEvent(string oldStandard, string newStandard, address controller);

    event RegisterCurrencyEvent(address currencyCt, string standard);
    event DeregisterCurrencyEvent(address currencyCt);
    event BlacklistCurrencyEvent(address currencyCt);
    event WhitelistCurrencyEvent(address currencyCt);

    
    
    
    constructor(address deployer) Ownable(deployer) public {
    }

    
    
    
    function registerTransferController(string calldata standard, address controller)
    external
    onlyDeployer
    notNullAddress(controller)
    {
        require(bytes(standard).length > 0, "Empty standard not supported [TransferControllerManager.sol:58]");
        bytes32 standardHash = keccak256(abi.encodePacked(standard));

        registeredTransferControllers[standardHash] = controller;

        
        emit RegisterTransferControllerEvent(standard, controller);
    }

    function reassociateTransferController(string calldata oldStandard, string calldata newStandard, address controller)
    external
    onlyDeployer
    notNullAddress(controller)
    {
        require(bytes(newStandard).length > 0, "Empty new standard not supported [TransferControllerManager.sol:72]");
        bytes32 oldStandardHash = keccak256(abi.encodePacked(oldStandard));
        bytes32 newStandardHash = keccak256(abi.encodePacked(newStandard));

        require(registeredTransferControllers[oldStandardHash] != address(0), "Old standard not registered [TransferControllerManager.sol:76]");
        require(registeredTransferControllers[newStandardHash] == address(0), "New standard previously registered [TransferControllerManager.sol:77]");

        registeredTransferControllers[newStandardHash] = registeredTransferControllers[oldStandardHash];
        registeredTransferControllers[oldStandardHash] = address(0);

        
        emit ReassociateTransferControllerEvent(oldStandard, newStandard, controller);
    }

    function registerCurrency(address currencyCt, string calldata standard)
    external
    onlyOperator
    notNullAddress(currencyCt)
    {
        require(bytes(standard).length > 0, "Empty standard not supported [TransferControllerManager.sol:91]");
        bytes32 standardHash = keccak256(abi.encodePacked(standard));

        require(registeredCurrencies[currencyCt].standard == bytes32(0), "Currency previously registered [TransferControllerManager.sol:94]");

        registeredCurrencies[currencyCt].standard = standardHash;

        
        emit RegisterCurrencyEvent(currencyCt, standard);
    }

    function deregisterCurrency(address currencyCt)
    external
    onlyOperator
    {
        require(registeredCurrencies[currencyCt].standard != 0, "Currency not registered [TransferControllerManager.sol:106]");

        registeredCurrencies[currencyCt].standard = bytes32(0);
        registeredCurrencies[currencyCt].blacklisted = false;

        
        emit DeregisterCurrencyEvent(currencyCt);
    }

    function blacklistCurrency(address currencyCt)
    external
    onlyOperator
    {
        require(registeredCurrencies[currencyCt].standard != bytes32(0), "Currency not registered [TransferControllerManager.sol:119]");

        registeredCurrencies[currencyCt].blacklisted = true;

        
        emit BlacklistCurrencyEvent(currencyCt);
    }

    function whitelistCurrency(address currencyCt)
    external
    onlyOperator
    {
        require(registeredCurrencies[currencyCt].standard != bytes32(0), "Currency not registered [TransferControllerManager.sol:131]");

        registeredCurrencies[currencyCt].blacklisted = false;

        
        emit WhitelistCurrencyEvent(currencyCt);
    }

    
    function transferController(address currencyCt, string memory standard)
    public
    view
    returns (TransferController)
    {
        if (bytes(standard).length > 0) {
            bytes32 standardHash = keccak256(abi.encodePacked(standard));

            require(registeredTransferControllers[standardHash] != address(0), "Standard not registered [TransferControllerManager.sol:150]");
            return TransferController(registeredTransferControllers[standardHash]);
        }

        require(registeredCurrencies[currencyCt].standard != bytes32(0), "Currency not registered [TransferControllerManager.sol:154]");
        require(!registeredCurrencies[currencyCt].blacklisted, "Currency blacklisted [TransferControllerManager.sol:155]");

        address controllerAddress = registeredTransferControllers[registeredCurrencies[currencyCt].standard];
        require(controllerAddress != address(0), "No matching transfer controller [TransferControllerManager.sol:158]");

        return TransferController(controllerAddress);
    }
}

contract TransferControllerManageable is Ownable {
    
    
    
    TransferControllerManager public transferControllerManager;

    
    
    
    event SetTransferControllerManagerEvent(TransferControllerManager oldTransferControllerManager,
        TransferControllerManager newTransferControllerManager);

    
    
    
    
    
    function setTransferControllerManager(TransferControllerManager newTransferControllerManager)
    public
    onlyDeployer
    notNullAddress(address(newTransferControllerManager))
    notSameAddresses(address(newTransferControllerManager), address(transferControllerManager))
    {
        
        TransferControllerManager oldTransferControllerManager = transferControllerManager;
        transferControllerManager = newTransferControllerManager;

        
        emit SetTransferControllerManagerEvent(oldTransferControllerManager, newTransferControllerManager);
    }

    
    function transferController(address currencyCt, string memory standard)
    internal
    view
    returns (TransferController)
    {
        return transferControllerManager.transferController(currencyCt, standard);
    }

    
    
    
    modifier transferControllerManagerInitialized() {
        require(address(transferControllerManager) != address(0), "Transfer controller manager not initialized [TransferControllerManageable.sol:63]");
        _;
    }
}

library CurrenciesLib {
    using SafeMathUintLib for uint256;

    
    
    
    struct Currencies {
        MonetaryTypesLib.Currency[] currencies;
        mapping(address => mapping(uint256 => uint256)) indexByCurrency;
    }

    
    
    
    function add(Currencies storage self, address currencyCt, uint256 currencyId)
    internal
    {
        
        if (0 == self.indexByCurrency[currencyCt][currencyId]) {
            self.currencies.push(MonetaryTypesLib.Currency(currencyCt, currencyId));
            self.indexByCurrency[currencyCt][currencyId] = self.currencies.length;
        }
    }

    function removeByCurrency(Currencies storage self, address currencyCt, uint256 currencyId)
    internal
    {
        
        uint256 index = self.indexByCurrency[currencyCt][currencyId];
        if (0 < index)
            removeByIndex(self, index - 1);
    }

    function removeByIndex(Currencies storage self, uint256 index)
    internal
    {
        require(index < self.currencies.length, "Index out of bounds [CurrenciesLib.sol:51]");

        address currencyCt = self.currencies[index].ct;
        uint256 currencyId = self.currencies[index].id;

        if (index < self.currencies.length - 1) {
            self.currencies[index] = self.currencies[self.currencies.length - 1];
            self.indexByCurrency[self.currencies[index].ct][self.currencies[index].id] = index + 1;
        }
        self.currencies.length--;
        self.indexByCurrency[currencyCt][currencyId] = 0;
    }

    function count(Currencies storage self)
    internal
    view
    returns (uint256)
    {
        return self.currencies.length;
    }

    function has(Currencies storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return 0 != self.indexByCurrency[currencyCt][currencyId];
    }

    function getByIndex(Currencies storage self, uint256 index)
    internal
    view
    returns (MonetaryTypesLib.Currency memory)
    {
        require(index < self.currencies.length, "Index out of bounds [CurrenciesLib.sol:85]");
        return self.currencies[index];
    }

    function getByIndices(Currencies storage self, uint256 low, uint256 up)
    internal
    view
    returns (MonetaryTypesLib.Currency[] memory)
    {
        require(0 < self.currencies.length, "No currencies found [CurrenciesLib.sol:94]");
        require(low <= up, "Bounds parameters mismatch [CurrenciesLib.sol:95]");

        up = up.clampMax(self.currencies.length - 1);
        MonetaryTypesLib.Currency[] memory _currencies = new MonetaryTypesLib.Currency[](up - low + 1);
        for (uint256 i = low; i <= up; i++)
            _currencies[i - low] = self.currencies[i];

        return _currencies;
    }
}

library FungibleBalanceLib {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;
    using CurrenciesLib for CurrenciesLib.Currencies;

    
    
    
    struct Record {
        int256 amount;
        uint256 blockNumber;
    }

    struct Balance {
        mapping(address => mapping(uint256 => int256)) amountByCurrency;
        mapping(address => mapping(uint256 => Record[])) recordsByCurrency;

        CurrenciesLib.Currencies inUseCurrencies;
        CurrenciesLib.Currencies everUsedCurrencies;
    }

    
    
    
    function get(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (int256)
    {
        return self.amountByCurrency[currencyCt][currencyId];
    }

    function getByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
    internal
    view
    returns (int256)
    {
        (int256 amount,) = recordByBlockNumber(self, currencyCt, currencyId, blockNumber);
        return amount;
    }

    function set(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        self.amountByCurrency[currencyCt][currencyId] = amount;

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.amountByCurrency[currencyCt][currencyId], block.number)
        );

        updateCurrencies(self, currencyCt, currencyId);
    }

    function add(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].add(amount);

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.amountByCurrency[currencyCt][currencyId], block.number)
        );

        updateCurrencies(self, currencyCt, currencyId);
    }

    function sub(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].sub(amount);

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.amountByCurrency[currencyCt][currencyId], block.number)
        );

        updateCurrencies(self, currencyCt, currencyId);
    }

    function transfer(Balance storage _from, Balance storage _to, int256 amount,
        address currencyCt, uint256 currencyId)
    internal
    {
        sub(_from, amount, currencyCt, currencyId);
        add(_to, amount, currencyCt, currencyId);
    }

    function add_nn(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].add_nn(amount);

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.amountByCurrency[currencyCt][currencyId], block.number)
        );

        updateCurrencies(self, currencyCt, currencyId);
    }

    function sub_nn(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].sub_nn(amount);

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.amountByCurrency[currencyCt][currencyId], block.number)
        );

        updateCurrencies(self, currencyCt, currencyId);
    }

    function transfer_nn(Balance storage _from, Balance storage _to, int256 amount,
        address currencyCt, uint256 currencyId)
    internal
    {
        sub_nn(_from, amount, currencyCt, currencyId);
        add_nn(_to, amount, currencyCt, currencyId);
    }

    function recordsCount(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (uint256)
    {
        return self.recordsByCurrency[currencyCt][currencyId].length;
    }

    function recordByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
    internal
    view
    returns (int256, uint256)
    {
        uint256 index = indexByBlockNumber(self, currencyCt, currencyId, blockNumber);
        return 0 < index ? recordByIndex(self, currencyCt, currencyId, index - 1) : (0, 0);
    }

    function recordByIndex(Balance storage self, address currencyCt, uint256 currencyId, uint256 index)
    internal
    view
    returns (int256, uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return (0, 0);

        index = index.clampMax(self.recordsByCurrency[currencyCt][currencyId].length - 1);
        Record storage record = self.recordsByCurrency[currencyCt][currencyId][index];
        return (record.amount, record.blockNumber);
    }

    function lastRecord(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (int256, uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return (0, 0);

        Record storage record = self.recordsByCurrency[currencyCt][currencyId][self.recordsByCurrency[currencyCt][currencyId].length - 1];
        return (record.amount, record.blockNumber);
    }

    function hasInUseCurrency(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return self.inUseCurrencies.has(currencyCt, currencyId);
    }

    function hasEverUsedCurrency(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return self.everUsedCurrencies.has(currencyCt, currencyId);
    }

    function updateCurrencies(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    {
        if (0 == self.amountByCurrency[currencyCt][currencyId] && self.inUseCurrencies.has(currencyCt, currencyId))
            self.inUseCurrencies.removeByCurrency(currencyCt, currencyId);
        else if (!self.inUseCurrencies.has(currencyCt, currencyId)) {
            self.inUseCurrencies.add(currencyCt, currencyId);
            self.everUsedCurrencies.add(currencyCt, currencyId);
        }
    }

    function indexByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return 0;
        for (uint256 i = self.recordsByCurrency[currencyCt][currencyId].length; i > 0; i--)
            if (self.recordsByCurrency[currencyCt][currencyId][i - 1].blockNumber <= blockNumber)
                return i;
        return 0;
    }
}

library TxHistoryLib {
    
    
    
    struct AssetEntry {
        int256 amount;
        uint256 blockNumber;
        address currencyCt;      
        uint256 currencyId;
    }

    struct TxHistory {
        AssetEntry[] deposits;
        mapping(address => mapping(uint256 => AssetEntry[])) currencyDeposits;

        AssetEntry[] withdrawals;
        mapping(address => mapping(uint256 => AssetEntry[])) currencyWithdrawals;
    }

    
    
    
    function addDeposit(TxHistory storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        AssetEntry memory deposit = AssetEntry(amount, block.number, currencyCt, currencyId);
        self.deposits.push(deposit);
        self.currencyDeposits[currencyCt][currencyId].push(deposit);
    }

    function addWithdrawal(TxHistory storage self, int256 amount, address currencyCt, uint256 currencyId)
    internal
    {
        AssetEntry memory withdrawal = AssetEntry(amount, block.number, currencyCt, currencyId);
        self.withdrawals.push(withdrawal);
        self.currencyWithdrawals[currencyCt][currencyId].push(withdrawal);
    }

    

    function deposit(TxHistory storage self, uint index)
    internal
    view
    returns (int256 amount, uint256 blockNumber, address currencyCt, uint256 currencyId)
    {
        require(index < self.deposits.length, "Index ouf of bounds [TxHistoryLib.sol:56]");

        amount = self.deposits[index].amount;
        blockNumber = self.deposits[index].blockNumber;
        currencyCt = self.deposits[index].currencyCt;
        currencyId = self.deposits[index].currencyId;
    }

    function depositsCount(TxHistory storage self)
    internal
    view
    returns (uint256)
    {
        return self.deposits.length;
    }

    function currencyDeposit(TxHistory storage self, address currencyCt, uint256 currencyId, uint index)
    internal
    view
    returns (int256 amount, uint256 blockNumber)
    {
        require(index < self.currencyDeposits[currencyCt][currencyId].length, "Index out of bounds [TxHistoryLib.sol:77]");

        amount = self.currencyDeposits[currencyCt][currencyId][index].amount;
        blockNumber = self.currencyDeposits[currencyCt][currencyId][index].blockNumber;
    }

    function currencyDepositsCount(TxHistory storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (uint256)
    {
        return self.currencyDeposits[currencyCt][currencyId].length;
    }

    

    function withdrawal(TxHistory storage self, uint index)
    internal
    view
    returns (int256 amount, uint256 blockNumber, address currencyCt, uint256 currencyId)
    {
        require(index < self.withdrawals.length, "Index out of bounds [TxHistoryLib.sol:98]");

        amount = self.withdrawals[index].amount;
        blockNumber = self.withdrawals[index].blockNumber;
        currencyCt = self.withdrawals[index].currencyCt;
        currencyId = self.withdrawals[index].currencyId;
    }

    function withdrawalsCount(TxHistory storage self)
    internal
    view
    returns (uint256)
    {
        return self.withdrawals.length;
    }

    function currencyWithdrawal(TxHistory storage self, address currencyCt, uint256 currencyId, uint index)
    internal
    view
    returns (int256 amount, uint256 blockNumber)
    {
        require(index < self.currencyWithdrawals[currencyCt][currencyId].length, "Index out of bounds [TxHistoryLib.sol:119]");

        amount = self.currencyWithdrawals[currencyCt][currencyId][index].amount;
        blockNumber = self.currencyWithdrawals[currencyCt][currencyId][index].blockNumber;
    }

    function currencyWithdrawalsCount(TxHistory storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (uint256)
    {
        return self.currencyWithdrawals[currencyCt][currencyId].length;
    }
}

contract SecurityBond is Ownable, Configurable, AccrualBeneficiary, Servable, TransferControllerManageable {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;
    using FungibleBalanceLib for FungibleBalanceLib.Balance;
    using TxHistoryLib for TxHistoryLib.TxHistory;
    using CurrenciesLib for CurrenciesLib.Currencies;

    
    
    
    string constant public REWARD_ACTION = "reward";
    string constant public DEPRIVE_ACTION = "deprive";

    
    
    
    struct FractionalReward {
        uint256 fraction;
        uint256 nonce;
        uint256 unlockTime;
    }

    struct AbsoluteReward {
        int256 amount;
        uint256 nonce;
        uint256 unlockTime;
    }

    
    
    
    FungibleBalanceLib.Balance private deposited;
    TxHistoryLib.TxHistory private txHistory;
    CurrenciesLib.Currencies private inUseCurrencies;

    mapping(address => FractionalReward) public fractionalRewardByWallet;

    mapping(address => mapping(address => mapping(uint256 => AbsoluteReward))) public absoluteRewardByWallet;

    mapping(address => mapping(address => mapping(uint256 => uint256))) public claimNonceByWalletCurrency;

    mapping(address => FungibleBalanceLib.Balance) private stagedByWallet;

    mapping(address => uint256) public nonceByWallet;

    
    
    
    event ReceiveEvent(address from, int256 amount, address currencyCt, uint256 currencyId);
    event RewardFractionalEvent(address wallet, uint256 fraction, uint256 unlockTimeoutInSeconds);
    event RewardAbsoluteEvent(address wallet, int256 amount, address currencyCt, uint256 currencyId,
        uint256 unlockTimeoutInSeconds);
    event DepriveFractionalEvent(address wallet);
    event DepriveAbsoluteEvent(address wallet, address currencyCt, uint256 currencyId);
    event ClaimAndTransferToBeneficiaryEvent(address from, Beneficiary beneficiary, string balanceType, int256 amount,
        address currencyCt, uint256 currencyId, string standard);
    event ClaimAndStageEvent(address from, int256 amount, address currencyCt, uint256 currencyId);
    event WithdrawEvent(address from, int256 amount, address currencyCt, uint256 currencyId, string standard);

    
    
    
    constructor(address deployer) Ownable(deployer) Servable() public {
    }

    
    
    
    
    function() external payable {
        receiveEthersTo(msg.sender, "");
    }

    
    
    function receiveEthersTo(address wallet, string memory)
    public
    payable
    {
        int256 amount = SafeMathIntLib.toNonZeroInt256(msg.value);

        
        deposited.add(amount, address(0), 0);
        txHistory.addDeposit(amount, address(0), 0);

        
        inUseCurrencies.add(address(0), 0);

        
        emit ReceiveEvent(wallet, amount, address(0), 0);
    }

    
    
    
    
    
    function receiveTokens(string memory, int256 amount, address currencyCt,
        uint256 currencyId, string memory standard)
    public
    {
        receiveTokensTo(msg.sender, "", amount, currencyCt, currencyId, standard);
    }

    
    
    
    
    
    
    function receiveTokensTo(address wallet, string memory, int256 amount, address currencyCt,
        uint256 currencyId, string memory standard)
    public
    {
        require(amount.isNonZeroPositiveInt256(), "Amount not strictly positive [SecurityBond.sol:145]");

        
        TransferController controller = transferController(currencyCt, standard);
        (bool success,) = address(controller).delegatecall(
            abi.encodeWithSelector(
                controller.getReceiveSignature(), msg.sender, this, uint256(amount), currencyCt, currencyId
            )
        );
        require(success, "Reception by controller failed [SecurityBond.sol:154]");

        
        deposited.add(amount, currencyCt, currencyId);
        txHistory.addDeposit(amount, currencyCt, currencyId);

        
        inUseCurrencies.add(currencyCt, currencyId);

        
        emit ReceiveEvent(wallet, amount, currencyCt, currencyId);
    }

    
    
    function depositsCount()
    public
    view
    returns (uint256)
    {
        return txHistory.depositsCount();
    }

    
    
    function deposit(uint index)
    public
    view
    returns (int256 amount, uint256 blockNumber, address currencyCt, uint256 currencyId)
    {
        return txHistory.deposit(index);
    }

    
    
    
    
    function depositedBalance(address currencyCt, uint256 currencyId)
    public
    view
    returns (int256)
    {
        return deposited.get(currencyCt, currencyId);
    }

    
    
    
    
    
    function depositedFractionalBalance(address currencyCt, uint256 currencyId, uint256 fraction)
    public
    view
    returns (int256)
    {
        return deposited.get(currencyCt, currencyId)
        .mul(SafeMathIntLib.toInt256(fraction))
        .div(ConstantsLib.PARTS_PER());
    }

    
    
    
    
    function stagedBalance(address wallet, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256)
    {
        return stagedByWallet[wallet].get(currencyCt, currencyId);
    }

    
    
    function inUseCurrenciesCount()
    public
    view
    returns (uint256)
    {
        return inUseCurrencies.count();
    }

    
    
    
    
    function inUseCurrenciesByIndices(uint256 low, uint256 up)
    public
    view
    returns (MonetaryTypesLib.Currency[] memory)
    {
        return inUseCurrencies.getByIndices(low, up);
    }

    
    
    
    
    
    
    function rewardFractional(address wallet, uint256 fraction, uint256 unlockTimeoutInSeconds)
    public
    notNullAddress(wallet)
    onlyEnabledServiceAction(REWARD_ACTION)
    {
        
        fractionalRewardByWallet[wallet].fraction = fraction.clampMax(uint256(ConstantsLib.PARTS_PER()));
        fractionalRewardByWallet[wallet].nonce = ++nonceByWallet[wallet];
        fractionalRewardByWallet[wallet].unlockTime = block.timestamp.add(unlockTimeoutInSeconds);

        
        emit RewardFractionalEvent(wallet, fraction, unlockTimeoutInSeconds);
    }

    
    
    
    
    
    
    
    
    function rewardAbsolute(address wallet, int256 amount, address currencyCt, uint256 currencyId,
        uint256 unlockTimeoutInSeconds)
    public
    notNullAddress(wallet)
    onlyEnabledServiceAction(REWARD_ACTION)
    {
        
        absoluteRewardByWallet[wallet][currencyCt][currencyId].amount = amount;
        absoluteRewardByWallet[wallet][currencyCt][currencyId].nonce = ++nonceByWallet[wallet];
        absoluteRewardByWallet[wallet][currencyCt][currencyId].unlockTime = block.timestamp.add(unlockTimeoutInSeconds);

        
        emit RewardAbsoluteEvent(wallet, amount, currencyCt, currencyId, unlockTimeoutInSeconds);
    }

    
    
    function depriveFractional(address wallet)
    public
    onlyEnabledServiceAction(DEPRIVE_ACTION)
    {
        
        fractionalRewardByWallet[wallet].fraction = 0;
        fractionalRewardByWallet[wallet].nonce = ++nonceByWallet[wallet];
        fractionalRewardByWallet[wallet].unlockTime = 0;

        
        emit DepriveFractionalEvent(wallet);
    }

    
    
    
    
    function depriveAbsolute(address wallet, address currencyCt, uint256 currencyId)
    public
    onlyEnabledServiceAction(DEPRIVE_ACTION)
    {
        
        absoluteRewardByWallet[wallet][currencyCt][currencyId].amount = 0;
        absoluteRewardByWallet[wallet][currencyCt][currencyId].nonce = ++nonceByWallet[wallet];
        absoluteRewardByWallet[wallet][currencyCt][currencyId].unlockTime = 0;

        
        emit DepriveAbsoluteEvent(wallet, currencyCt, currencyId);
    }

    
    
    
    
    
    
    function claimAndTransferToBeneficiary(Beneficiary beneficiary, string memory balanceType, address currencyCt,
        uint256 currencyId, string memory standard)
    public
    {
        
        int256 claimedAmount = _claim(msg.sender, currencyCt, currencyId);

        
        deposited.sub(claimedAmount, currencyCt, currencyId);

        
        if (address(0) == currencyCt && 0 == currencyId)
            beneficiary.receiveEthersTo.value(uint256(claimedAmount))(msg.sender, balanceType);

        else {
            TransferController controller = transferController(currencyCt, standard);
            (bool success,) = address(controller).delegatecall(
                abi.encodeWithSelector(
                    controller.getApproveSignature(), address(beneficiary), uint256(claimedAmount), currencyCt, currencyId
                )
            );
            require(success, "Approval by controller failed [SecurityBond.sol:350]");
            beneficiary.receiveTokensTo(msg.sender, balanceType, claimedAmount, currencyCt, currencyId, standard);
        }

        
        emit ClaimAndTransferToBeneficiaryEvent(msg.sender, beneficiary, balanceType, claimedAmount, currencyCt, currencyId, standard);
    }

    
    
    
    function claimAndStage(address currencyCt, uint256 currencyId)
    public
    {
        
        int256 claimedAmount = _claim(msg.sender, currencyCt, currencyId);

        
        deposited.sub(claimedAmount, currencyCt, currencyId);

        
        stagedByWallet[msg.sender].add(claimedAmount, currencyCt, currencyId);

        
        emit ClaimAndStageEvent(msg.sender, claimedAmount, currencyCt, currencyId);
    }

    
    
    
    
    
    function withdraw(int256 amount, address currencyCt, uint256 currencyId, string memory standard)
    public
    {
        
        require(amount.isNonZeroPositiveInt256(), "Amount not strictly positive [SecurityBond.sol:386]");

        
        amount = amount.clampMax(stagedByWallet[msg.sender].get(currencyCt, currencyId));

        
        stagedByWallet[msg.sender].sub(amount, currencyCt, currencyId);

        
        if (address(0) == currencyCt && 0 == currencyId)
            msg.sender.transfer(uint256(amount));

        else {
            TransferController controller = transferController(currencyCt, standard);
            (bool success,) = address(controller).delegatecall(
                abi.encodeWithSelector(
                    controller.getDispatchSignature(), address(this), msg.sender, uint256(amount), currencyCt, currencyId
                )
            );
            require(success, "Dispatch by controller failed [SecurityBond.sol:405]");
        }

        
        emit WithdrawEvent(msg.sender, amount, currencyCt, currencyId, standard);
    }

    
    
    
    function _claim(address wallet, address currencyCt, uint256 currencyId)
    private
    returns (int256)
    {
        
        uint256 claimNonce = fractionalRewardByWallet[wallet].nonce.clampMin(
            absoluteRewardByWallet[wallet][currencyCt][currencyId].nonce
        );

        
        require(
            claimNonce > claimNonceByWalletCurrency[wallet][currencyCt][currencyId],
            "Claim nonce not strictly greater than previously claimed nonce [SecurityBond.sol:425]"
        );

        
        int256 claimAmount = _fractionalRewardAmountByWalletCurrency(wallet, currencyCt, currencyId).add(
            _absoluteRewardAmountByWalletCurrency(wallet, currencyCt, currencyId)
        ).clampMax(
            deposited.get(currencyCt, currencyId)
        );

        
        require(claimAmount.isNonZeroPositiveInt256(), "Claim amount not strictly positive [SecurityBond.sol:438]");

        
        claimNonceByWalletCurrency[wallet][currencyCt][currencyId] = claimNonce;

        return claimAmount;
    }

    function _fractionalRewardAmountByWalletCurrency(address wallet, address currencyCt, uint256 currencyId)
    private
    view
    returns (int256)
    {
        if (
            claimNonceByWalletCurrency[wallet][currencyCt][currencyId] < fractionalRewardByWallet[wallet].nonce &&
            block.timestamp >= fractionalRewardByWallet[wallet].unlockTime
        )
            return deposited.get(currencyCt, currencyId)
            .mul(SafeMathIntLib.toInt256(fractionalRewardByWallet[wallet].fraction))
            .div(ConstantsLib.PARTS_PER());

        else
            return 0;
    }

    function _absoluteRewardAmountByWalletCurrency(address wallet, address currencyCt, uint256 currencyId)
    private
    view
    returns (int256)
    {
        if (
            claimNonceByWalletCurrency[wallet][currencyCt][currencyId] < absoluteRewardByWallet[wallet][currencyCt][currencyId].nonce &&
            block.timestamp >= absoluteRewardByWallet[wallet][currencyCt][currencyId].unlockTime
        )
            return absoluteRewardByWallet[wallet][currencyCt][currencyId].amount.clampMax(
                deposited.get(currencyCt, currencyId)
            );

        else
            return 0;
    }
}

contract SecurityBondable is Ownable {
    
    
    
    SecurityBond public securityBond;

    
    
    
    event SetSecurityBondEvent(SecurityBond oldSecurityBond, SecurityBond newSecurityBond);

    
    
    
    
    
    function setSecurityBond(SecurityBond newSecurityBond)
    public
    onlyDeployer
    notNullAddress(address(newSecurityBond))
    notSameAddresses(address(newSecurityBond), address(securityBond))
    {
        
        SecurityBond oldSecurityBond = securityBond;
        securityBond = newSecurityBond;

        
        emit SetSecurityBondEvent(oldSecurityBond, newSecurityBond);
    }

    
    
    
    modifier securityBondInitialized() {
        require(address(securityBond) != address(0), "Security bond not initialized [SecurityBondable.sol:52]");
        _;
    }
}

contract AuthorizableServable is Servable {
    
    
    
    bool public initialServiceAuthorizationDisabled;

    mapping(address => bool) public initialServiceAuthorizedMap;
    mapping(address => mapping(address => bool)) public initialServiceWalletUnauthorizedMap;

    mapping(address => mapping(address => bool)) public serviceWalletAuthorizedMap;

    mapping(address => mapping(bytes32 => mapping(address => bool))) public serviceActionWalletAuthorizedMap;
    mapping(address => mapping(bytes32 => mapping(address => bool))) public serviceActionWalletTouchedMap;
    mapping(address => mapping(address => bytes32[])) public serviceWalletActionList;

    
    
    
    event AuthorizeInitialServiceEvent(address wallet, address service);
    event AuthorizeRegisteredServiceEvent(address wallet, address service);
    event AuthorizeRegisteredServiceActionEvent(address wallet, address service, string action);
    event UnauthorizeRegisteredServiceEvent(address wallet, address service);
    event UnauthorizeRegisteredServiceActionEvent(address wallet, address service, string action);

    
    
    
    
    
    
    function authorizeInitialService(address service)
    public
    onlyDeployer
    notNullOrThisAddress(service)
    {
        require(!initialServiceAuthorizationDisabled);
        require(msg.sender != service);

        
        require(registeredServicesMap[service].registered);

        
        initialServiceAuthorizedMap[service] = true;

        
        emit AuthorizeInitialServiceEvent(msg.sender, service);
    }

    
    
    function disableInitialServiceAuthorization()
    public
    onlyDeployer
    {
        initialServiceAuthorizationDisabled = true;
    }

    
    
    
    function authorizeRegisteredService(address service)
    public
    notNullOrThisAddress(service)
    {
        require(msg.sender != service);

        
        require(registeredServicesMap[service].registered);

        
        require(!initialServiceAuthorizedMap[service]);

        
        serviceWalletAuthorizedMap[service][msg.sender] = true;

        
        emit AuthorizeRegisteredServiceEvent(msg.sender, service);
    }

    
    
    
    function unauthorizeRegisteredService(address service)
    public
    notNullOrThisAddress(service)
    {
        require(msg.sender != service);

        
        require(registeredServicesMap[service].registered);

        
        if (initialServiceAuthorizedMap[service])
            initialServiceWalletUnauthorizedMap[service][msg.sender] = true;

        
        else {
            serviceWalletAuthorizedMap[service][msg.sender] = false;
            for (uint256 i = 0; i < serviceWalletActionList[service][msg.sender].length; i++)
                serviceActionWalletAuthorizedMap[service][serviceWalletActionList[service][msg.sender][i]][msg.sender] = true;
        }

        
        emit UnauthorizeRegisteredServiceEvent(msg.sender, service);
    }

    
    
    
    
    function isAuthorizedRegisteredService(address service, address wallet)
    public
    view
    returns (bool)
    {
        return isRegisteredActiveService(service) &&
        (isInitialServiceAuthorizedForWallet(service, wallet) || serviceWalletAuthorizedMap[service][wallet]);
    }

    
    
    
    
    function authorizeRegisteredServiceAction(address service, string memory action)
    public
    notNullOrThisAddress(service)
    {
        require(msg.sender != service);

        bytes32 actionHash = hashString(action);

        
        require(registeredServicesMap[service].registered && registeredServicesMap[service].actionsEnabledMap[actionHash]);

        
        require(!initialServiceAuthorizedMap[service]);

        
        serviceWalletAuthorizedMap[service][msg.sender] = false;
        serviceActionWalletAuthorizedMap[service][actionHash][msg.sender] = true;
        if (!serviceActionWalletTouchedMap[service][actionHash][msg.sender]) {
            serviceActionWalletTouchedMap[service][actionHash][msg.sender] = true;
            serviceWalletActionList[service][msg.sender].push(actionHash);
        }

        
        emit AuthorizeRegisteredServiceActionEvent(msg.sender, service, action);
    }

    
    
    
    
    function unauthorizeRegisteredServiceAction(address service, string memory action)
    public
    notNullOrThisAddress(service)
    {
        require(msg.sender != service);

        bytes32 actionHash = hashString(action);

        
        require(registeredServicesMap[service].registered && registeredServicesMap[service].actionsEnabledMap[actionHash]);

        
        require(!initialServiceAuthorizedMap[service]);

        
        serviceActionWalletAuthorizedMap[service][actionHash][msg.sender] = false;

        
        emit UnauthorizeRegisteredServiceActionEvent(msg.sender, service, action);
    }

    
    
    
    
    
    function isAuthorizedRegisteredServiceAction(address service, string memory action, address wallet)
    public
    view
    returns (bool)
    {
        bytes32 actionHash = hashString(action);

        return isEnabledServiceAction(service, action) &&
        (
        isInitialServiceAuthorizedForWallet(service, wallet) ||
        serviceWalletAuthorizedMap[service][wallet] ||
        serviceActionWalletAuthorizedMap[service][actionHash][wallet]
        );
    }

    function isInitialServiceAuthorizedForWallet(address service, address wallet)
    private
    view
    returns (bool)
    {
        return initialServiceAuthorizedMap[service] ? !initialServiceWalletUnauthorizedMap[service][wallet] : false;
    }

    
    
    
    modifier onlyAuthorizedService(address wallet) {
        require(isAuthorizedRegisteredService(msg.sender, wallet));
        _;
    }

    modifier onlyAuthorizedServiceAction(string memory action, address wallet) {
        require(isAuthorizedRegisteredServiceAction(msg.sender, action, wallet));
        _;
    }
}

contract WalletLocker is Ownable, Configurable, AuthorizableServable {
    using SafeMathUintLib for uint256;

    
    
    
    struct FungibleLock {
        address locker;
        address currencyCt;
        uint256 currencyId;
        int256 amount;
        uint256 visibleTime;
        uint256 unlockTime;
    }

    struct NonFungibleLock {
        address locker;
        address currencyCt;
        uint256 currencyId;
        int256[] ids;
        uint256 visibleTime;
        uint256 unlockTime;
    }

    
    
    
    mapping(address => FungibleLock[]) public walletFungibleLocks;
    mapping(address => mapping(address => mapping(uint256 => mapping(address => uint256)))) public lockedCurrencyLockerFungibleLockIndex;
    mapping(address => mapping(address => mapping(uint256 => uint256))) public walletCurrencyFungibleLockCount;

    mapping(address => NonFungibleLock[]) public walletNonFungibleLocks;
    mapping(address => mapping(address => mapping(uint256 => mapping(address => uint256)))) public lockedCurrencyLockerNonFungibleLockIndex;
    mapping(address => mapping(address => mapping(uint256 => uint256))) public walletCurrencyNonFungibleLockCount;

    
    
    
    event LockFungibleByProxyEvent(address lockedWallet, address lockerWallet, int256 amount,
        address currencyCt, uint256 currencyId, uint256 visibleTimeoutInSeconds);
    event LockNonFungibleByProxyEvent(address lockedWallet, address lockerWallet, int256[] ids,
        address currencyCt, uint256 currencyId, uint256 visibleTimeoutInSeconds);
    event UnlockFungibleEvent(address lockedWallet, address lockerWallet, int256 amount, address currencyCt,
        uint256 currencyId);
    event UnlockFungibleByProxyEvent(address lockedWallet, address lockerWallet, int256 amount, address currencyCt,
        uint256 currencyId);
    event UnlockNonFungibleEvent(address lockedWallet, address lockerWallet, int256[] ids, address currencyCt,
        uint256 currencyId);
    event UnlockNonFungibleByProxyEvent(address lockedWallet, address lockerWallet, int256[] ids, address currencyCt,
        uint256 currencyId);

    
    
    
    constructor(address deployer) Ownable(deployer)
    public
    {
    }

    
    
    

    
    
    
    
    
    
    
    function lockFungibleByProxy(address lockedWallet, address lockerWallet, int256 amount,
        address currencyCt, uint256 currencyId, uint256 visibleTimeoutInSeconds)
    public
    onlyAuthorizedService(lockedWallet)
    {
        
        require(lockedWallet != lockerWallet);

        
        uint256 lockIndex = lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockedWallet];

        
        require(
            (0 == lockIndex) ||
            (block.timestamp >= walletFungibleLocks[lockedWallet][lockIndex - 1].unlockTime)
        );

        
        if (0 == lockIndex) {
            lockIndex = ++(walletFungibleLocks[lockedWallet].length);
            lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet] = lockIndex;
            walletCurrencyFungibleLockCount[lockedWallet][currencyCt][currencyId]++;
        }

        
        walletFungibleLocks[lockedWallet][lockIndex - 1].locker = lockerWallet;
        walletFungibleLocks[lockedWallet][lockIndex - 1].amount = amount;
        walletFungibleLocks[lockedWallet][lockIndex - 1].currencyCt = currencyCt;
        walletFungibleLocks[lockedWallet][lockIndex - 1].currencyId = currencyId;
        walletFungibleLocks[lockedWallet][lockIndex - 1].visibleTime =
        block.timestamp.add(visibleTimeoutInSeconds);
        walletFungibleLocks[lockedWallet][lockIndex - 1].unlockTime =
        block.timestamp.add(configuration.walletLockTimeout());

        
        emit LockFungibleByProxyEvent(lockedWallet, lockerWallet, amount, currencyCt, currencyId, visibleTimeoutInSeconds);
    }

    
    
    
    
    
    
    
    function lockNonFungibleByProxy(address lockedWallet, address lockerWallet, int256[] memory ids,
        address currencyCt, uint256 currencyId, uint256 visibleTimeoutInSeconds)
    public
    onlyAuthorizedService(lockedWallet)
    {
        
        require(lockedWallet != lockerWallet);

        
        uint256 lockIndex = lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockedWallet];

        
        require(
            (0 == lockIndex) ||
            (block.timestamp >= walletNonFungibleLocks[lockedWallet][lockIndex - 1].unlockTime)
        );

        
        if (0 == lockIndex) {
            lockIndex = ++(walletNonFungibleLocks[lockedWallet].length);
            lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet] = lockIndex;
            walletCurrencyNonFungibleLockCount[lockedWallet][currencyCt][currencyId]++;
        }

        
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].locker = lockerWallet;
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].ids = ids;
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].currencyCt = currencyCt;
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].currencyId = currencyId;
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].visibleTime =
        block.timestamp.add(visibleTimeoutInSeconds);
        walletNonFungibleLocks[lockedWallet][lockIndex - 1].unlockTime =
        block.timestamp.add(configuration.walletLockTimeout());

        
        emit LockNonFungibleByProxyEvent(lockedWallet, lockerWallet, ids, currencyCt, currencyId, visibleTimeoutInSeconds);
    }

    
    
    
    
    
    
    function unlockFungible(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    {
        
        uint256 lockIndex = lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        
        if (0 == lockIndex)
            return;

        
        require(
            block.timestamp >= walletFungibleLocks[lockedWallet][lockIndex - 1].unlockTime
        );

        
        int256 amount = _unlockFungible(lockedWallet, lockerWallet, currencyCt, currencyId, lockIndex);

        
        emit UnlockFungibleEvent(lockedWallet, lockerWallet, amount, currencyCt, currencyId);
    }

    
    
    
    
    
    
    function unlockFungibleByProxy(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    onlyAuthorizedService(lockedWallet)
    {
        
        uint256 lockIndex = lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        
        if (0 == lockIndex)
            return;

        
        int256 amount = _unlockFungible(lockedWallet, lockerWallet, currencyCt, currencyId, lockIndex);

        
        emit UnlockFungibleByProxyEvent(lockedWallet, lockerWallet, amount, currencyCt, currencyId);
    }

    
    
    
    
    
    
    function unlockNonFungible(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    {
        
        uint256 lockIndex = lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        
        if (0 == lockIndex)
            return;

        
        require(
            block.timestamp >= walletNonFungibleLocks[lockedWallet][lockIndex - 1].unlockTime
        );

        
        int256[] memory ids = _unlockNonFungible(lockedWallet, lockerWallet, currencyCt, currencyId, lockIndex);

        
        emit UnlockNonFungibleEvent(lockedWallet, lockerWallet, ids, currencyCt, currencyId);
    }

    
    
    
    
    
    
    function unlockNonFungibleByProxy(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    onlyAuthorizedService(lockedWallet)
    {
        
        uint256 lockIndex = lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        
        if (0 == lockIndex)
            return;

        
        int256[] memory ids = _unlockNonFungible(lockedWallet, lockerWallet, currencyCt, currencyId, lockIndex);

        
        emit UnlockNonFungibleByProxyEvent(lockedWallet, lockerWallet, ids, currencyCt, currencyId);
    }

    
    
    
    function fungibleLocksCount(address wallet)
    public
    view
    returns (uint256)
    {
        return walletFungibleLocks[wallet].length;
    }

    
    
    
    function nonFungibleLocksCount(address wallet)
    public
    view
    returns (uint256)
    {
        return walletNonFungibleLocks[wallet].length;
    }

    
    
    
    
    
    
    function lockedAmount(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256)
    {
        uint256 lockIndex = lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        if (0 == lockIndex || block.timestamp < walletFungibleLocks[lockedWallet][lockIndex - 1].visibleTime)
            return 0;

        return walletFungibleLocks[lockedWallet][lockIndex - 1].amount;
    }

    
    
    
    
    
    
    function lockedIdsCount(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        uint256 lockIndex = lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        if (0 == lockIndex || block.timestamp < walletNonFungibleLocks[lockedWallet][lockIndex - 1].visibleTime)
            return 0;

        return walletNonFungibleLocks[lockedWallet][lockIndex - 1].ids.length;
    }

    
    
    
    
    
    
    
    
    function lockedIdsByIndices(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId,
        uint256 low, uint256 up)
    public
    view
    returns (int256[] memory)
    {
        uint256 lockIndex = lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];

        if (0 == lockIndex || block.timestamp < walletNonFungibleLocks[lockedWallet][lockIndex - 1].visibleTime)
            return new int256[](0);

        NonFungibleLock storage lock = walletNonFungibleLocks[lockedWallet][lockIndex - 1];

        if (0 == lock.ids.length)
            return new int256[](0);

        up = up.clampMax(lock.ids.length - 1);
        int256[] memory _ids = new int256[](up - low + 1);
        for (uint256 i = low; i <= up; i++)
            _ids[i - low] = lock.ids[i];

        return _ids;
    }

    
    
    
    function isLocked(address wallet)
    public
    view
    returns (bool)
    {
        return 0 < walletFungibleLocks[wallet].length ||
        0 < walletNonFungibleLocks[wallet].length;
    }

    
    
    
    
    
    function isLocked(address wallet, address currencyCt, uint256 currencyId)
    public
    view
    returns (bool)
    {
        return 0 < walletCurrencyFungibleLockCount[wallet][currencyCt][currencyId] ||
        0 < walletCurrencyNonFungibleLockCount[wallet][currencyCt][currencyId];
    }

    
    
    
    
    function isLocked(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId)
    public
    view
    returns (bool)
    {
        return 0 < lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet] ||
        0 < lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet];
    }

    
    
    
    
    function _unlockFungible(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId, uint256 lockIndex)
    private
    returns (int256)
    {
        int256 amount = walletFungibleLocks[lockedWallet][lockIndex - 1].amount;

        if (lockIndex < walletFungibleLocks[lockedWallet].length) {
            walletFungibleLocks[lockedWallet][lockIndex - 1] =
            walletFungibleLocks[lockedWallet][walletFungibleLocks[lockedWallet].length - 1];

            lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][walletFungibleLocks[lockedWallet][lockIndex - 1].locker] = lockIndex;
        }
        walletFungibleLocks[lockedWallet].length--;

        lockedCurrencyLockerFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet] = 0;

        walletCurrencyFungibleLockCount[lockedWallet][currencyCt][currencyId]--;

        return amount;
    }

    function _unlockNonFungible(address lockedWallet, address lockerWallet, address currencyCt, uint256 currencyId, uint256 lockIndex)
    private
    returns (int256[] memory)
    {
        int256[] memory ids = walletNonFungibleLocks[lockedWallet][lockIndex - 1].ids;

        if (lockIndex < walletNonFungibleLocks[lockedWallet].length) {
            walletNonFungibleLocks[lockedWallet][lockIndex - 1] =
            walletNonFungibleLocks[lockedWallet][walletNonFungibleLocks[lockedWallet].length - 1];

            lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][walletNonFungibleLocks[lockedWallet][lockIndex - 1].locker] = lockIndex;
        }
        walletNonFungibleLocks[lockedWallet].length--;

        lockedCurrencyLockerNonFungibleLockIndex[lockedWallet][currencyCt][currencyId][lockerWallet] = 0;

        walletCurrencyNonFungibleLockCount[lockedWallet][currencyCt][currencyId]--;

        return ids;
    }
}

contract WalletLockable is Ownable {
    
    
    
    WalletLocker public walletLocker;
    bool public walletLockerFrozen;

    
    
    
    event SetWalletLockerEvent(WalletLocker oldWalletLocker, WalletLocker newWalletLocker);
    event FreezeWalletLockerEvent();

    
    
    
    
    
    function setWalletLocker(WalletLocker newWalletLocker)
    public
    onlyDeployer
    notNullAddress(address(newWalletLocker))
    notSameAddresses(address(newWalletLocker), address(walletLocker))
    {
        
        require(!walletLockerFrozen, "Wallet locker frozen [WalletLockable.sol:43]");

        
        WalletLocker oldWalletLocker = walletLocker;
        walletLocker = newWalletLocker;

        
        emit SetWalletLockerEvent(oldWalletLocker, newWalletLocker);
    }

    
    
    function freezeWalletLocker()
    public
    onlyDeployer
    {
        walletLockerFrozen = true;

        
        emit FreezeWalletLockerEvent();
    }

    
    
    
    modifier walletLockerInitialized() {
        require(address(walletLocker) != address(0), "Wallet locker not initialized [WalletLockable.sol:69]");
        _;
    }
}

library NonFungibleBalanceLib {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;
    using CurrenciesLib for CurrenciesLib.Currencies;

    
    
    
    struct Record {
        int256[] ids;
        uint256 blockNumber;
    }

    struct Balance {
        mapping(address => mapping(uint256 => int256[])) idsByCurrency;
        mapping(address => mapping(uint256 => mapping(int256 => uint256))) idIndexById;
        mapping(address => mapping(uint256 => Record[])) recordsByCurrency;

        CurrenciesLib.Currencies inUseCurrencies;
        CurrenciesLib.Currencies everUsedCurrencies;
    }

    
    
    
    function get(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (int256[] memory)
    {
        return self.idsByCurrency[currencyCt][currencyId];
    }

    function getByIndices(Balance storage self, address currencyCt, uint256 currencyId, uint256 indexLow, uint256 indexUp)
    internal
    view
    returns (int256[] memory)
    {
        if (0 == self.idsByCurrency[currencyCt][currencyId].length)
            return new int256[](0);

        indexUp = indexUp.clampMax(self.idsByCurrency[currencyCt][currencyId].length - 1);

        int256[] memory idsByCurrency = new int256[](indexUp - indexLow + 1);
        for (uint256 i = indexLow; i < indexUp; i++)
            idsByCurrency[i - indexLow] = self.idsByCurrency[currencyCt][currencyId][i];

        return idsByCurrency;
    }

    function idsCount(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (uint256)
    {
        return self.idsByCurrency[currencyCt][currencyId].length;
    }

    function hasId(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return 0 < self.idIndexById[currencyCt][currencyId][id];
    }

    function recordByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
    internal
    view
    returns (int256[] memory, uint256)
    {
        uint256 index = indexByBlockNumber(self, currencyCt, currencyId, blockNumber);
        return 0 < index ? recordByIndex(self, currencyCt, currencyId, index - 1) : (new int256[](0), 0);
    }

    function recordByIndex(Balance storage self, address currencyCt, uint256 currencyId, uint256 index)
    internal
    view
    returns (int256[] memory, uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return (new int256[](0), 0);

        index = index.clampMax(self.recordsByCurrency[currencyCt][currencyId].length - 1);
        Record storage record = self.recordsByCurrency[currencyCt][currencyId][index];
        return (record.ids, record.blockNumber);
    }

    function lastRecord(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (int256[] memory, uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return (new int256[](0), 0);

        Record storage record = self.recordsByCurrency[currencyCt][currencyId][self.recordsByCurrency[currencyCt][currencyId].length - 1];
        return (record.ids, record.blockNumber);
    }

    function recordsCount(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (uint256)
    {
        return self.recordsByCurrency[currencyCt][currencyId].length;
    }

    function set(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
    internal
    {
        int256[] memory ids = new int256[](1);
        ids[0] = id;
        set(self, ids, currencyCt, currencyId);
    }

    function set(Balance storage self, int256[] memory ids, address currencyCt, uint256 currencyId)
    internal
    {
        uint256 i;
        for (i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
            self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = 0;

        self.idsByCurrency[currencyCt][currencyId] = ids;

        for (i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
            self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = i + 1;

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.idsByCurrency[currencyCt][currencyId], block.number)
        );

        updateInUseCurrencies(self, currencyCt, currencyId);
    }

    function reset(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    {
        for (uint256 i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
            self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = 0;

        self.idsByCurrency[currencyCt][currencyId].length = 0;

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.idsByCurrency[currencyCt][currencyId], block.number)
        );

        updateInUseCurrencies(self, currencyCt, currencyId);
    }

    function add(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
    internal
    returns (bool)
    {
        if (0 < self.idIndexById[currencyCt][currencyId][id])
            return false;

        self.idsByCurrency[currencyCt][currencyId].push(id);

        self.idIndexById[currencyCt][currencyId][id] = self.idsByCurrency[currencyCt][currencyId].length;

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.idsByCurrency[currencyCt][currencyId], block.number)
        );

        updateInUseCurrencies(self, currencyCt, currencyId);

        return true;
    }

    function sub(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
    internal
    returns (bool)
    {
        uint256 index = self.idIndexById[currencyCt][currencyId][id];

        if (0 == index)
            return false;

        if (index < self.idsByCurrency[currencyCt][currencyId].length) {
            self.idsByCurrency[currencyCt][currencyId][index - 1] = self.idsByCurrency[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId].length - 1];
            self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][index - 1]] = index;
        }
        self.idsByCurrency[currencyCt][currencyId].length--;
        self.idIndexById[currencyCt][currencyId][id] = 0;

        self.recordsByCurrency[currencyCt][currencyId].push(
            Record(self.idsByCurrency[currencyCt][currencyId], block.number)
        );

        updateInUseCurrencies(self, currencyCt, currencyId);

        return true;
    }

    function transfer(Balance storage _from, Balance storage _to, int256 id,
        address currencyCt, uint256 currencyId)
    internal
    returns (bool)
    {
        return sub(_from, id, currencyCt, currencyId) && add(_to, id, currencyCt, currencyId);
    }

    function hasInUseCurrency(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return self.inUseCurrencies.has(currencyCt, currencyId);
    }

    function hasEverUsedCurrency(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    view
    returns (bool)
    {
        return self.everUsedCurrencies.has(currencyCt, currencyId);
    }

    function updateInUseCurrencies(Balance storage self, address currencyCt, uint256 currencyId)
    internal
    {
        if (0 == self.idsByCurrency[currencyCt][currencyId].length && self.inUseCurrencies.has(currencyCt, currencyId))
            self.inUseCurrencies.removeByCurrency(currencyCt, currencyId);
        else if (!self.inUseCurrencies.has(currencyCt, currencyId)) {
            self.inUseCurrencies.add(currencyCt, currencyId);
            self.everUsedCurrencies.add(currencyCt, currencyId);
        }
    }

    function indexByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
    internal
    view
    returns (uint256)
    {
        if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
            return 0;
        for (uint256 i = self.recordsByCurrency[currencyCt][currencyId].length; i > 0; i--)
            if (self.recordsByCurrency[currencyCt][currencyId][i - 1].blockNumber <= blockNumber)
                return i;
        return 0;
    }
}

contract BalanceTracker is Ownable, Servable {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;
    using FungibleBalanceLib for FungibleBalanceLib.Balance;
    using NonFungibleBalanceLib for NonFungibleBalanceLib.Balance;

    
    
    
    string constant public DEPOSITED_BALANCE_TYPE = "deposited";
    string constant public SETTLED_BALANCE_TYPE = "settled";
    string constant public STAGED_BALANCE_TYPE = "staged";

    
    
    
    struct Wallet {
        mapping(bytes32 => FungibleBalanceLib.Balance) fungibleBalanceByType;
        mapping(bytes32 => NonFungibleBalanceLib.Balance) nonFungibleBalanceByType;
    }

    
    
    
    bytes32 public depositedBalanceType;
    bytes32 public settledBalanceType;
    bytes32 public stagedBalanceType;

    bytes32[] public _allBalanceTypes;
    bytes32[] public _activeBalanceTypes;

    bytes32[] public trackedBalanceTypes;
    mapping(bytes32 => bool) public trackedBalanceTypeMap;

    mapping(address => Wallet) private walletMap;

    address[] public trackedWallets;
    mapping(address => uint256) public trackedWalletIndexByWallet;

    
    
    
    constructor(address deployer) Ownable(deployer)
    public
    {
        depositedBalanceType = keccak256(abi.encodePacked(DEPOSITED_BALANCE_TYPE));
        settledBalanceType = keccak256(abi.encodePacked(SETTLED_BALANCE_TYPE));
        stagedBalanceType = keccak256(abi.encodePacked(STAGED_BALANCE_TYPE));

        _allBalanceTypes.push(settledBalanceType);
        _allBalanceTypes.push(depositedBalanceType);
        _allBalanceTypes.push(stagedBalanceType);

        _activeBalanceTypes.push(settledBalanceType);
        _activeBalanceTypes.push(depositedBalanceType);
    }

    
    
    
    
    
    
    
    
    
    function get(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].get(currencyCt, currencyId);
    }

    
    
    
    
    
    
    
    
    function getByIndices(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
        uint256 indexLow, uint256 indexUp)
    public
    view
    returns (int256[] memory)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].getByIndices(
            currencyCt, currencyId, indexLow, indexUp
        );
    }

    
    
    
    
    
    
    function getAll(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256[] memory)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].get(
            currencyCt, currencyId
        );
    }

    
    
    
    
    
    
    function idsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].idsCount(
            currencyCt, currencyId
        );
    }

    
    
    
    
    
    
    
    function hasId(address wallet, bytes32 _type, int256 id, address currencyCt, uint256 currencyId)
    public
    view
    returns (bool)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].hasId(
            id, currencyCt, currencyId
        );
    }

    
    
    
    
    
    
    
    function set(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId, bool fungible)
    public
    onlyActiveService
    {
        
        if (fungible)
            walletMap[wallet].fungibleBalanceByType[_type].set(
                value, currencyCt, currencyId
            );

        else
            walletMap[wallet].nonFungibleBalanceByType[_type].set(
                value, currencyCt, currencyId
            );

        
        _updateTrackedBalanceTypes(_type);

        
        _updateTrackedWallets(wallet);
    }

    
    
    
    
    
    
    function setIds(address wallet, bytes32 _type, int256[] memory ids, address currencyCt, uint256 currencyId)
    public
    onlyActiveService
    {
        
        walletMap[wallet].nonFungibleBalanceByType[_type].set(
            ids, currencyCt, currencyId
        );

        
        _updateTrackedBalanceTypes(_type);

        
        _updateTrackedWallets(wallet);
    }

    
    
    
    
    
    
    
    function add(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId,
        bool fungible)
    public
    onlyActiveService
    {
        
        if (fungible)
            walletMap[wallet].fungibleBalanceByType[_type].add(
                value, currencyCt, currencyId
            );
        else
            walletMap[wallet].nonFungibleBalanceByType[_type].add(
                value, currencyCt, currencyId
            );

        
        _updateTrackedBalanceTypes(_type);

        
        _updateTrackedWallets(wallet);
    }

    
    
    
    
    
    
    
    function sub(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId,
        bool fungible)
    public
    onlyActiveService
    {
        
        if (fungible)
            walletMap[wallet].fungibleBalanceByType[_type].sub(
                value, currencyCt, currencyId
            );
        else
            walletMap[wallet].nonFungibleBalanceByType[_type].sub(
                value, currencyCt, currencyId
            );

        
        _updateTrackedWallets(wallet);
    }

    
    
    
    
    
    
    function hasInUseCurrency(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (bool)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].hasInUseCurrency(currencyCt, currencyId)
        || walletMap[wallet].nonFungibleBalanceByType[_type].hasInUseCurrency(currencyCt, currencyId);
    }

    
    
    
    
    
    
    function hasEverUsedCurrency(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (bool)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].hasEverUsedCurrency(currencyCt, currencyId)
        || walletMap[wallet].nonFungibleBalanceByType[_type].hasEverUsedCurrency(currencyCt, currencyId);
    }

    
    
    
    
    
    
    function fungibleRecordsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].recordsCount(currencyCt, currencyId);
    }

    
    
    
    
    
    
    
    
    function fungibleRecordByIndex(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
        uint256 index)
    public
    view
    returns (int256 amount, uint256 blockNumber)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].recordByIndex(currencyCt, currencyId, index);
    }

    
    
    
    
    
    
    
    
    function fungibleRecordByBlockNumber(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
        uint256 _blockNumber)
    public
    view
    returns (int256 amount, uint256 blockNumber)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].recordByBlockNumber(currencyCt, currencyId, _blockNumber);
    }

    
    
    
    
    
    
    function lastFungibleRecord(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256 amount, uint256 blockNumber)
    {
        return walletMap[wallet].fungibleBalanceByType[_type].lastRecord(currencyCt, currencyId);
    }

    
    
    
    
    
    
    function nonFungibleRecordsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (uint256)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].recordsCount(currencyCt, currencyId);
    }

    
    
    
    
    
    
    
    
    function nonFungibleRecordByIndex(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
        uint256 index)
    public
    view
    returns (int256[] memory ids, uint256 blockNumber)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].recordByIndex(currencyCt, currencyId, index);
    }

    
    
    
    
    
    
    
    
    function nonFungibleRecordByBlockNumber(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
        uint256 _blockNumber)
    public
    view
    returns (int256[] memory ids, uint256 blockNumber)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].recordByBlockNumber(currencyCt, currencyId, _blockNumber);
    }

    
    
    
    
    
    
    function lastNonFungibleRecord(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
    public
    view
    returns (int256[] memory ids, uint256 blockNumber)
    {
        return walletMap[wallet].nonFungibleBalanceByType[_type].lastRecord(currencyCt, currencyId);
    }

    
    
    function trackedBalanceTypesCount()
    public
    view
    returns (uint256)
    {
        return trackedBalanceTypes.length;
    }

    
    
    function trackedWalletsCount()
    public
    view
    returns (uint256)
    {
        return trackedWallets.length;
    }

    
    
    function allBalanceTypes()
    public
    view
    returns (bytes32[] memory)
    {
        return _allBalanceTypes;
    }

    
    
    function activeBalanceTypes()
    public
    view
    returns (bytes32[] memory)
    {
        return _activeBalanceTypes;
    }

    
    
    
    
    function trackedWalletsByIndices(uint256 low, uint256 up)
    public
    view
    returns (address[] memory)
    {
        require(0 < trackedWallets.length, "No tracked wallets found [BalanceTracker.sol:473]");
        require(low <= up, "Bounds parameters mismatch [BalanceTracker.sol:474]");

        up = up.clampMax(trackedWallets.length - 1);
        address[] memory _trackedWallets = new address[](up - low + 1);
        for (uint256 i = low; i <= up; i++)
            _trackedWallets[i - low] = trackedWallets[i];

        return _trackedWallets;
    }

    
    
    
    function _updateTrackedBalanceTypes(bytes32 _type)
    private
    {
        if (!trackedBalanceTypeMap[_type]) {
            trackedBalanceTypeMap[_type] = true;
            trackedBalanceTypes.push(_type);
        }
    }

    function _updateTrackedWallets(address wallet)
    private
    {
        if (0 == trackedWalletIndexByWallet[wallet]) {
            trackedWallets.push(wallet);
            trackedWalletIndexByWallet[wallet] = trackedWallets.length;
        }
    }
}

contract BalanceTrackable is Ownable {
    
    
    
    BalanceTracker public balanceTracker;
    bool public balanceTrackerFrozen;

    
    
    
    event SetBalanceTrackerEvent(BalanceTracker oldBalanceTracker, BalanceTracker newBalanceTracker);
    event FreezeBalanceTrackerEvent();

    
    
    
    
    
    function setBalanceTracker(BalanceTracker newBalanceTracker)
    public
    onlyDeployer
    notNullAddress(address(newBalanceTracker))
    notSameAddresses(address(newBalanceTracker), address(balanceTracker))
    {
        
        require(!balanceTrackerFrozen, "Balance tracker frozen [BalanceTrackable.sol:43]");

        
        BalanceTracker oldBalanceTracker = balanceTracker;
        balanceTracker = newBalanceTracker;

        
        emit SetBalanceTrackerEvent(oldBalanceTracker, newBalanceTracker);
    }

    
    
    function freezeBalanceTracker()
    public
    onlyDeployer
    {
        balanceTrackerFrozen = true;

        
        emit FreezeBalanceTrackerEvent();
    }

    
    
    
    modifier balanceTrackerInitialized() {
        require(address(balanceTracker) != address(0), "Balance tracker not initialized [BalanceTrackable.sol:69]");
        _;
    }
}

contract FraudChallenge is Ownable, Servable {
    
    
    
    string constant public ADD_SEIZED_WALLET_ACTION = "add_seized_wallet";
    string constant public ADD_DOUBLE_SPENDER_WALLET_ACTION = "add_double_spender_wallet";
    string constant public ADD_FRAUDULENT_ORDER_ACTION = "add_fraudulent_order";
    string constant public ADD_FRAUDULENT_TRADE_ACTION = "add_fraudulent_trade";
    string constant public ADD_FRAUDULENT_PAYMENT_ACTION = "add_fraudulent_payment";

    
    
    
    address[] public doubleSpenderWallets;
    mapping(address => bool) public doubleSpenderByWallet;

    bytes32[] public fraudulentOrderHashes;
    mapping(bytes32 => bool) public fraudulentByOrderHash;

    bytes32[] public fraudulentTradeHashes;
    mapping(bytes32 => bool) public fraudulentByTradeHash;

    bytes32[] public fraudulentPaymentHashes;
    mapping(bytes32 => bool) public fraudulentByPaymentHash;

    
    
    
    event AddDoubleSpenderWalletEvent(address wallet);
    event AddFraudulentOrderHashEvent(bytes32 hash);
    event AddFraudulentTradeHashEvent(bytes32 hash);
    event AddFraudulentPaymentHashEvent(bytes32 hash);

    
    
    
    constructor(address deployer) Ownable(deployer) public {
    }

    
    
    
    
    
    
    function isDoubleSpenderWallet(address wallet)
    public
    view
    returns (bool)
    {
        return doubleSpenderByWallet[wallet];
    }

    
    
    function doubleSpenderWalletsCount()
    public
    view
    returns (uint256)
    {
        return doubleSpenderWallets.length;
    }

    
    
    function addDoubleSpenderWallet(address wallet)
    public
    onlyEnabledServiceAction(ADD_DOUBLE_SPENDER_WALLET_ACTION) {
        if (!doubleSpenderByWallet[wallet]) {
            doubleSpenderWallets.push(wallet);
            doubleSpenderByWallet[wallet] = true;
            emit AddDoubleSpenderWalletEvent(wallet);
        }
    }

    
    function fraudulentOrderHashesCount()
    public
    view
    returns (uint256)
    {
        return fraudulentOrderHashes.length;
    }

    
    
    function isFraudulentOrderHash(bytes32 hash)
    public
    view returns (bool) {
        return fraudulentByOrderHash[hash];
    }

    
    function addFraudulentOrderHash(bytes32 hash)
    public
    onlyEnabledServiceAction(ADD_FRAUDULENT_ORDER_ACTION)
    {
        if (!fraudulentByOrderHash[hash]) {
            fraudulentByOrderHash[hash] = true;
            fraudulentOrderHashes.push(hash);
            emit AddFraudulentOrderHashEvent(hash);
        }
    }

    
    function fraudulentTradeHashesCount()
    public
    view
    returns (uint256)
    {
        return fraudulentTradeHashes.length;
    }

    
    
    
    function isFraudulentTradeHash(bytes32 hash)
    public
    view
    returns (bool)
    {
        return fraudulentByTradeHash[hash];
    }

    
    function addFraudulentTradeHash(bytes32 hash)
    public
    onlyEnabledServiceAction(ADD_FRAUDULENT_TRADE_ACTION)
    {
        if (!fraudulentByTradeHash[hash]) {
            fraudulentByTradeHash[hash] = true;
            fraudulentTradeHashes.push(hash);
            emit AddFraudulentTradeHashEvent(hash);
        }
    }

    
    function fraudulentPaymentHashesCount()
    public
    view
    returns (uint256)
    {
        return fraudulentPaymentHashes.length;
    }

    
    
    
    function isFraudulentPaymentHash(bytes32 hash)
    public
    view
    returns (bool)
    {
        return fraudulentByPaymentHash[hash];
    }

    
    function addFraudulentPaymentHash(bytes32 hash)
    public
    onlyEnabledServiceAction(ADD_FRAUDULENT_PAYMENT_ACTION)
    {
        if (!fraudulentByPaymentHash[hash]) {
            fraudulentByPaymentHash[hash] = true;
            fraudulentPaymentHashes.push(hash);
            emit AddFraudulentPaymentHashEvent(hash);
        }
    }
}

contract FraudChallengable is Ownable {
    
    
    
    FraudChallenge public fraudChallenge;

    
    
    
    event SetFraudChallengeEvent(FraudChallenge oldFraudChallenge, FraudChallenge newFraudChallenge);

    
    
    
    
    
    function setFraudChallenge(FraudChallenge newFraudChallenge)
    public
    onlyDeployer
    notNullAddress(address(newFraudChallenge))
    notSameAddresses(address(newFraudChallenge), address(fraudChallenge))
    {
        
        FraudChallenge oldFraudChallenge = fraudChallenge;
        fraudChallenge = newFraudChallenge;

        
        emit SetFraudChallengeEvent(oldFraudChallenge, newFraudChallenge);
    }

    
    
    
    modifier fraudChallengeInitialized() {
        require(address(fraudChallenge) != address(0), "Fraud challenge not initialized [FraudChallengable.sol:52]");
        _;
    }
}

library SettlementChallengeTypesLib {
    
    
    
    enum Status {Qualified, Disqualified}

    struct Proposal {
        address wallet;
        uint256 nonce;
        uint256 referenceBlockNumber;
        uint256 definitionBlockNumber;

        uint256 expirationTime;

        
        Status status;

        
        Amounts amounts;

        
        MonetaryTypesLib.Currency currency;

        
        Driip challenged;

        
        bool walletInitiated;

        
        bool terminated;

        
        Disqualification disqualification;
    }

    struct Amounts {
        
        int256 cumulativeTransfer;

        
        int256 stage;

        
        int256 targetBalance;
    }

    struct Driip {
        
        string kind;

        
        bytes32 hash;
    }

    struct Disqualification {
        
        address challenger;
        uint256 nonce;
        uint256 blockNumber;

        
        Driip candidate;
    }
}

contract NullSettlementChallengeState is Ownable, Servable, Configurable, BalanceTrackable {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;

    
    
    
    string constant public INITIATE_PROPOSAL_ACTION = "initiate_proposal";
    string constant public TERMINATE_PROPOSAL_ACTION = "terminate_proposal";
    string constant public REMOVE_PROPOSAL_ACTION = "remove_proposal";
    string constant public DISQUALIFY_PROPOSAL_ACTION = "disqualify_proposal";

    
    
    
    SettlementChallengeTypesLib.Proposal[] public proposals;
    mapping(address => mapping(address => mapping(uint256 => uint256))) public proposalIndexByWalletCurrency;

    
    
    
    event InitiateProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
        MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
    event TerminateProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
        MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
    event RemoveProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
        MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
    event DisqualifyProposalEvent(address challengedWallet, uint256 challangedNonce, int256 stageAmount,
        int256 targetBalanceAmount, MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated,
        address challengerWallet, uint256 candidateNonce, bytes32 candidateHash, string candidateKind);

    
    
    
    constructor(address deployer) Ownable(deployer) public {
    }

    
    
    
    
    
    function proposalsCount()
    public
    view
    returns (uint256)
    {
        return proposals.length;
    }

    
    
    
    
    
    
    
    
    function initiateProposal(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
        MonetaryTypesLib.Currency memory currency, uint256 blockNumber, bool walletInitiated)
    public
    onlyEnabledServiceAction(INITIATE_PROPOSAL_ACTION)
    {
        
        _initiateProposal(
            wallet, nonce, stageAmount, targetBalanceAmount,
            currency, blockNumber, walletInitiated
        );

        
        emit InitiateProposalEvent(
            wallet, nonce, stageAmount, targetBalanceAmount, currency,
            blockNumber, walletInitiated
        );
    }

    
    
    
    function terminateProposal(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    onlyEnabledServiceAction(TERMINATE_PROPOSAL_ACTION)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];

        
        if (0 == index)
            return;

        
        proposals[index - 1].terminated = true;

        
        emit TerminateProposalEvent(
            wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
            proposals[index - 1].amounts.targetBalance, currency,
            proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
        );
    }

    
    
    
    
    function terminateProposal(address wallet, MonetaryTypesLib.Currency memory currency, bool walletTerminated)
    public
    onlyEnabledServiceAction(TERMINATE_PROPOSAL_ACTION)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];

        
        if (0 == index)
            return;

        
        require(walletTerminated == proposals[index - 1].walletInitiated, "Wallet initiation and termination mismatch [NullSettlementChallengeState.sol:143]");

        
        proposals[index - 1].terminated = true;

        
        emit TerminateProposalEvent(
            wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
            proposals[index - 1].amounts.targetBalance, currency,
            proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
        );
    }

    
    
    
    function removeProposal(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    onlyEnabledServiceAction(REMOVE_PROPOSAL_ACTION)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];

        
        if (0 == index)
            return;

        
        emit RemoveProposalEvent(
            wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
            proposals[index - 1].amounts.targetBalance, currency,
            proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
        );

        
        _removeProposal(index);
    }

    
    
    
    
    function removeProposal(address wallet, MonetaryTypesLib.Currency memory currency, bool walletTerminated)
    public
    onlyEnabledServiceAction(REMOVE_PROPOSAL_ACTION)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];

        
        if (0 == index)
            return;

        
        require(walletTerminated == proposals[index - 1].walletInitiated, "Wallet initiation and termination mismatch [NullSettlementChallengeState.sol:197]");

        
        emit RemoveProposalEvent(
            wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
            proposals[index - 1].amounts.targetBalance, currency,
            proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
        );

        
        _removeProposal(index);
    }

    
    
    
    
    
    
    
    
    
    function disqualifyProposal(address challengedWallet, MonetaryTypesLib.Currency memory currency, address challengerWallet,
        uint256 blockNumber, uint256 candidateNonce, bytes32 candidateHash, string memory candidateKind)
    public
    onlyEnabledServiceAction(DISQUALIFY_PROPOSAL_ACTION)
    {
        
        uint256 index = proposalIndexByWalletCurrency[challengedWallet][currency.ct][currency.id];
        require(0 != index, "No settlement found for wallet and currency [NullSettlementChallengeState.sol:226]");

        
        proposals[index - 1].status = SettlementChallengeTypesLib.Status.Disqualified;
        proposals[index - 1].expirationTime = block.timestamp.add(configuration.settlementChallengeTimeout());
        proposals[index - 1].disqualification.challenger = challengerWallet;
        proposals[index - 1].disqualification.nonce = candidateNonce;
        proposals[index - 1].disqualification.blockNumber = blockNumber;
        proposals[index - 1].disqualification.candidate.hash = candidateHash;
        proposals[index - 1].disqualification.candidate.kind = candidateKind;

        
        emit DisqualifyProposalEvent(
            challengedWallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
            proposals[index - 1].amounts.targetBalance, currency, proposals[index - 1].referenceBlockNumber,
            proposals[index - 1].walletInitiated, challengerWallet, candidateNonce, candidateHash, candidateKind
        );
    }

    
    
    
    
    function hasProposal(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (bool)
    {
        
        return 0 != proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
    }

    
    
    
    
    function hasProposalTerminated(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (bool)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:269]");
        return proposals[index - 1].terminated;
    }

    
    
    
    
    function hasProposalExpired(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (bool)
    {
        
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:284]");
        return block.timestamp >= proposals[index - 1].expirationTime;
    }

    
    
    
    
    function proposalNonce(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:298]");
        return proposals[index - 1].nonce;
    }

    
    
    
    
    function proposalReferenceBlockNumber(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:312]");
        return proposals[index - 1].referenceBlockNumber;
    }

    
    
    
    
    function proposalDefinitionBlockNumber(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:326]");
        return proposals[index - 1].definitionBlockNumber;
    }

    
    
    
    
    function proposalExpirationTime(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:340]");
        return proposals[index - 1].expirationTime;
    }

    
    
    
    
    function proposalStatus(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (SettlementChallengeTypesLib.Status)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:354]");
        return proposals[index - 1].status;
    }

    
    
    
    
    function proposalStageAmount(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (int256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:368]");
        return proposals[index - 1].amounts.stage;
    }

    
    
    
    
    function proposalTargetBalanceAmount(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (int256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:382]");
        return proposals[index - 1].amounts.targetBalance;
    }

    
    
    
    
    function proposalWalletInitiated(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (bool)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:396]");
        return proposals[index - 1].walletInitiated;
    }

    
    
    
    
    function proposalDisqualificationChallenger(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (address)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:410]");
        return proposals[index - 1].disqualification.challenger;
    }

    
    
    
    
    function proposalDisqualificationBlockNumber(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:424]");
        return proposals[index - 1].disqualification.blockNumber;
    }

    
    
    
    
    function proposalDisqualificationNonce(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (uint256)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:438]");
        return proposals[index - 1].disqualification.nonce;
    }

    
    
    
    
    function proposalDisqualificationCandidateHash(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (bytes32)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:452]");
        return proposals[index - 1].disqualification.candidate.hash;
    }

    
    
    
    
    function proposalDisqualificationCandidateKind(address wallet, MonetaryTypesLib.Currency memory currency)
    public
    view
    returns (string memory)
    {
        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
        require(0 != index, "No proposal found for wallet and currency [NullSettlementChallengeState.sol:466]");
        return proposals[index - 1].disqualification.candidate.kind;
    }

    
    
    
    function _initiateProposal(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
        MonetaryTypesLib.Currency memory currency, uint256 referenceBlockNumber, bool walletInitiated)
    private
    {
        
        require(stageAmount.isPositiveInt256(), "Stage amount not positive [NullSettlementChallengeState.sol:478]");
        require(targetBalanceAmount.isPositiveInt256(), "Target balance amount not positive [NullSettlementChallengeState.sol:479]");

        uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];

        
        if (0 == index) {
            index = ++(proposals.length);
            proposalIndexByWalletCurrency[wallet][currency.ct][currency.id] = index;
        }

        
        proposals[index - 1].wallet = wallet;
        proposals[index - 1].nonce = nonce;
        proposals[index - 1].referenceBlockNumber = referenceBlockNumber;
        proposals[index - 1].definitionBlockNumber = block.number;
        proposals[index - 1].expirationTime = block.timestamp.add(configuration.settlementChallengeTimeout());
        proposals[index - 1].status = SettlementChallengeTypesLib.Status.Qualified;
        proposals[index - 1].currency = currency;
        proposals[index - 1].amounts.stage = stageAmount;
        proposals[index - 1].amounts.targetBalance = targetBalanceAmount;
        proposals[index - 1].walletInitiated = walletInitiated;
        proposals[index - 1].terminated = false;
    }

    function _removeProposal(uint256 index)
    private
    returns (bool)
    {
        
        proposalIndexByWalletCurrency[proposals[index - 1].wallet][proposals[index - 1].currency.ct][proposals[index - 1].currency.id] = 0;
        if (index < proposals.length) {
            proposals[index - 1] = proposals[proposals.length - 1];
            proposalIndexByWalletCurrency[proposals[index - 1].wallet][proposals[index - 1].currency.ct][proposals[index - 1].currency.id] = index;
        }
        proposals.length--;
    }

    function _activeBalanceLogEntry(address wallet, address currencyCt, uint256 currencyId)
    private
    view
    returns (int256 amount, uint256 blockNumber)
    {
        
        (int256 depositedAmount, uint256 depositedBlockNumber) = balanceTracker.lastFungibleRecord(
            wallet, balanceTracker.depositedBalanceType(), currencyCt, currencyId
        );
        (int256 settledAmount, uint256 settledBlockNumber) = balanceTracker.lastFungibleRecord(
            wallet, balanceTracker.settledBalanceType(), currencyCt, currencyId
        );

        
        amount = depositedAmount.add(settledAmount);

        
        blockNumber = depositedBlockNumber > settledBlockNumber ? depositedBlockNumber : settledBlockNumber;
    }
}

library BalanceTrackerLib {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;

    function fungibleActiveRecordByBlockNumber(BalanceTracker self, address wallet,
        MonetaryTypesLib.Currency memory currency, uint256 _blockNumber)
    internal
    view
    returns (int256 amount, uint256 blockNumber)
    {
        
        (int256 depositedAmount, uint256 depositedBlockNumber) = self.fungibleRecordByBlockNumber(
            wallet, self.depositedBalanceType(), currency.ct, currency.id, _blockNumber
        );
        (int256 settledAmount, uint256 settledBlockNumber) = self.fungibleRecordByBlockNumber(
            wallet, self.settledBalanceType(), currency.ct, currency.id, _blockNumber
        );

        
        amount = depositedAmount.add(settledAmount);
        blockNumber = depositedBlockNumber.clampMin(settledBlockNumber);
    }

    function fungibleActiveBalanceAmountByBlockNumber(BalanceTracker self, address wallet,
        MonetaryTypesLib.Currency memory currency, uint256 blockNumber)
    internal
    view
    returns (int256)
    {
        (int256 amount,) = fungibleActiveRecordByBlockNumber(self, wallet, currency, blockNumber);
        return amount;
    }

    function fungibleActiveDeltaBalanceAmountByBlockNumbers(BalanceTracker self, address wallet,
        MonetaryTypesLib.Currency memory currency, uint256 fromBlockNumber, uint256 toBlockNumber)
    internal
    view
    returns (int256)
    {
        return fungibleActiveBalanceAmountByBlockNumber(self, wallet, currency, toBlockNumber) -
        fungibleActiveBalanceAmountByBlockNumber(self, wallet, currency, fromBlockNumber);
    }

    
    function fungibleActiveRecord(BalanceTracker self, address wallet,
        MonetaryTypesLib.Currency memory currency)
    internal
    view
    returns (int256 amount, uint256 blockNumber)
    {
        
        (int256 depositedAmount, uint256 depositedBlockNumber) = self.lastFungibleRecord(
            wallet, self.depositedBalanceType(), currency.ct, currency.id
        );
        (int256 settledAmount, uint256 settledBlockNumber) = self.lastFungibleRecord(
            wallet, self.settledBalanceType(), currency.ct, currency.id
        );

        
        amount = depositedAmount.add(settledAmount);
        blockNumber = depositedBlockNumber.clampMin(settledBlockNumber);
    }

    
    function fungibleActiveBalanceAmount(BalanceTracker self, address wallet, MonetaryTypesLib.Currency memory currency)
    internal
    view
    returns (int256)
    {
        return self.get(wallet, self.depositedBalanceType(), currency.ct, currency.id).add(
            self.get(wallet, self.settledBalanceType(), currency.ct, currency.id)
        );
    }
}

contract NullSettlementDisputeByPayment is Ownable, Configurable, Validatable, SecurityBondable, WalletLockable,
BalanceTrackable, FraudChallengable, Servable {
    using SafeMathIntLib for int256;
    using SafeMathUintLib for uint256;
    using BalanceTrackerLib for BalanceTracker;

    
    
    
    string constant public CHALLENGE_BY_PAYMENT_ACTION = "challenge_by_payment";

    
    
    
    NullSettlementChallengeState public nullSettlementChallengeState;

    
    
    
    event SetNullSettlementChallengeStateEvent(NullSettlementChallengeState oldNullSettlementChallengeState,
        NullSettlementChallengeState newNullSettlementChallengeState);
    event ChallengeByPaymentEvent(address wallet, uint256 nonce, PaymentTypesLib.Payment payment,
        address challenger);

    
    
    
    constructor(address deployer) Ownable(deployer) public {
    }

    
    
    function setNullSettlementChallengeState(NullSettlementChallengeState newNullSettlementChallengeState) public
    onlyDeployer
    notNullAddress(address(newNullSettlementChallengeState))
    {
        NullSettlementChallengeState oldNullSettlementChallengeState = nullSettlementChallengeState;
        nullSettlementChallengeState = newNullSettlementChallengeState;
        emit SetNullSettlementChallengeStateEvent(oldNullSettlementChallengeState, nullSettlementChallengeState);
    }

    
    
    
    
    
    function challengeByPayment(address wallet, PaymentTypesLib.Payment memory payment, address challenger)
    public
    onlyEnabledServiceAction(CHALLENGE_BY_PAYMENT_ACTION)
    onlySealedPayment(payment)
    onlyPaymentSender(payment, wallet)
    {
        
        require(!fraudChallenge.isFraudulentPaymentHash(payment.seals.operator.hash), "Payment deemed fraudulent [NullSettlementDisputeByPayment.sol:86]");

        
        require(nullSettlementChallengeState.hasProposal(wallet, payment.currency), "No proposal found [NullSettlementDisputeByPayment.sol:89]");

        
        require(!nullSettlementChallengeState.hasProposalExpired(wallet, payment.currency), "Proposal found expired [NullSettlementDisputeByPayment.sol:92]");

        
        
        require(payment.sender.nonce > nullSettlementChallengeState.proposalNonce(
            wallet, payment.currency
        ), "Payment nonce not strictly greater than proposal nonce [NullSettlementDisputeByPayment.sol:96]");
        require(payment.sender.nonce > nullSettlementChallengeState.proposalDisqualificationNonce(
            wallet, payment.currency
        ), "Payment nonce not strictly greater than proposal disqualification nonce [NullSettlementDisputeByPayment.sol:99]");

        
        require(_overrun(wallet, payment), "No overrun found [NullSettlementDisputeByPayment.sol:104]");

        
        _settleRewards(wallet, payment.sender.balances.current, payment.currency, challenger);

        
        nullSettlementChallengeState.disqualifyProposal(
            wallet, payment.currency, challenger, payment.blockNumber,
            payment.sender.nonce, payment.seals.operator.hash, PaymentTypesLib.PAYMENT_KIND()
        );

        
        emit ChallengeByPaymentEvent(
            wallet, nullSettlementChallengeState.proposalNonce(wallet, payment.currency), payment, challenger
        );
    }

    
    
    
    function _overrun(address wallet, PaymentTypesLib.Payment memory payment)
    private
    view
    returns (bool)
    {
        
        int targetBalanceAmount = nullSettlementChallengeState.proposalTargetBalanceAmount(
            wallet, payment.currency
        );

        
        int256 deltaBalanceSinceStart = balanceTracker.fungibleActiveBalanceAmount(
            wallet, payment.currency
        ).sub(
            balanceTracker.fungibleActiveBalanceAmountByBlockNumber(
                wallet, payment.currency,
                nullSettlementChallengeState.proposalReferenceBlockNumber(wallet, payment.currency)
            )
        );

        
        int256 cumulativeTransfer = balanceTracker.fungibleActiveBalanceAmountByBlockNumber(
            wallet, payment.currency, payment.blockNumber
        ).sub(payment.sender.balances.current);

        return targetBalanceAmount.add(deltaBalanceSinceStart) < cumulativeTransfer;
    }

    
    function _settleRewards(address wallet, int256 walletAmount, MonetaryTypesLib.Currency memory currency,
        address challenger)
    private
    {
        if (nullSettlementChallengeState.proposalWalletInitiated(wallet, currency))
            _settleBalanceReward(wallet, walletAmount, currency, challenger);

        else
            _settleSecurityBondReward(wallet, walletAmount, currency, challenger);
    }

    function _settleBalanceReward(address wallet, int256 walletAmount, MonetaryTypesLib.Currency memory currency,
        address challenger)
    private
    {
        
        if (SettlementChallengeTypesLib.Status.Disqualified == nullSettlementChallengeState.proposalStatus(
            wallet, currency
        ))
            walletLocker.unlockFungibleByProxy(
                wallet,
                nullSettlementChallengeState.proposalDisqualificationChallenger(
                    wallet, currency
                ),
                currency.ct, currency.id
            );

        
        walletLocker.lockFungibleByProxy(
            wallet, challenger, walletAmount, currency.ct, currency.id, configuration.settlementChallengeTimeout()
        );
    }

    
    
    
    
    
    function _settleSecurityBondReward(address wallet, int256 walletAmount, MonetaryTypesLib.Currency memory currency,
        address challenger)
    private
    {
        
        if (SettlementChallengeTypesLib.Status.Disqualified == nullSettlementChallengeState.proposalStatus(
            wallet, currency
        ))
            securityBond.depriveAbsolute(
                nullSettlementChallengeState.proposalDisqualificationChallenger(
                    wallet, currency
                ),
                currency.ct, currency.id
            );

        
        MonetaryTypesLib.Figure memory flatReward = _flatReward();
        securityBond.rewardAbsolute(
            challenger, flatReward.amount, flatReward.currency.ct, flatReward.currency.id, 0
        );

        
        int256 progressiveRewardAmount = walletAmount.clampMax(
            securityBond.depositedFractionalBalance(
                currency.ct, currency.id, configuration.operatorSettlementStakeFraction()
            )
        );
        securityBond.rewardAbsolute(
            challenger, progressiveRewardAmount, currency.ct, currency.id, 0
        );
    }

    function _flatReward()
    private
    view
    returns (MonetaryTypesLib.Figure memory)
    {
        (int256 amount, address currencyCt, uint256 currencyId) = configuration.operatorSettlementStake();
        return MonetaryTypesLib.Figure(amount, MonetaryTypesLib.Currency(currencyCt, currencyId));
    }
}