Contract

/**
 *Submitted for verification at Etherscan.io on 2018-06-03
*/

pragma solidity ^0.4.24;

contract Token {
    function transfer(address _to, uint _value) public returns (bool success);
    function transferFrom(address _from, address _to, uint _value) public returns (bool success);
    function approve(address _spender, uint _value) public returns (bool success);
}

/// @title localethereum.com
/// @author localethereum.com
contract LocalEthereumEscrows {
    /***********************
    +   Global settings   +
    ***********************/

    // Address of the arbitrator (currently always localethereum staff)
    address public arbitrator;
    // Address of the owner (who can withdraw collected fees)
    address public owner;
    // Address of the relayer (who is allowed to forward signed instructions from parties)
    address public relayer;
    uint32 public requestCancellationMinimumTime;
    // Cumulative balance of collected fees
    uint256 public feesAvailableForWithdraw;

    /***********************
    +  Instruction types  +
    ***********************/

    // Called when the buyer marks payment as sent. Locks funds in escrow
    uint8 constant INSTRUCTION_SELLER_CANNOT_CANCEL = 0x01;
    // Buyer cancelling
    uint8 constant INSTRUCTION_BUYER_CANCEL = 0x02;
    // Seller cancelling
    uint8 constant INSTRUCTION_SELLER_CANCEL = 0x03;
    // Seller requesting to cancel. Begins a window for buyer to object
    uint8 constant INSTRUCTION_SELLER_REQUEST_CANCEL = 0x04;
    // Seller releasing funds to the buyer
    uint8 constant INSTRUCTION_RELEASE = 0x05;
    // Either party permitting the arbitrator to resolve a dispute
    uint8 constant INSTRUCTION_RESOLVE = 0x06;

    /***********************
    +       Events        +
    ***********************/

    event Created(bytes32 indexed _tradeHash);
    event SellerCancelDisabled(bytes32 indexed _tradeHash);
    event SellerRequestedCancel(bytes32 indexed _tradeHash);
    event CancelledBySeller(bytes32 indexed _tradeHash);
    event CancelledByBuyer(bytes32 indexed _tradeHash);
    event Released(bytes32 indexed _tradeHash);
    event DisputeResolved(bytes32 indexed _tradeHash);

    struct Escrow {
        // So we know the escrow exists
        bool exists;
        // This is the timestamp in whic hthe seller can cancel the escrow after.
        // It has two special values:
        // 0 : Permanently locked by the buyer (i.e. marked as paid; the seller can never cancel)
        // 1 : The seller can only request to cancel, which will change this value to a timestamp.
        //     This option is avaialble for complex trade terms such as cash-in-person where a
        //     payment window is inappropriate
        uint32 sellerCanCancelAfter;
        // Cumulative cost of gas incurred by the relayer. This amount will be refunded to the owner
        // in the way of fees once the escrow has completed
        uint128 totalGasFeesSpentByRelayer;
    }

    // Mapping of active trades. The key here is a hash of the trade proprties
    mapping (bytes32 => Escrow) public escrows;

    modifier onlyOwner() {
        require(msg.sender == owner, "Must be owner");
        _;
    }

    modifier onlyArbitrator() {
        require(msg.sender == arbitrator, "Must be arbitrator");
        _;
    }

    /// @notice Initialize the contract.
    constructor() public {
        owner = msg.sender;
        arbitrator = msg.sender;
        relayer = msg.sender;
        requestCancellationMinimumTime = 2 hours;
    }

    /// @notice Create and fund a new escrow.
    /// @param _tradeID The unique ID of the trade, generated by localethereum.com
    /// @param _seller The selling party
    /// @param _buyer The buying party
    /// @param _value The amount of the escrow, exclusive of the fee
    /// @param _fee Localethereum's commission in 1/10000ths
    /// @param _paymentWindowInSeconds The time in seconds from escrow creation that the seller can cancel after
    /// @param _expiry This transaction must be created before this time
    /// @param _v Signature "v" component
    /// @param _r Signature "r" component
    /// @param _s Signature "s" component
    function createEscrow(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint32 _paymentWindowInSeconds,
        uint32 _expiry,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) payable external {
        // The trade hash is created by tightly-concatenating and hashing properties of the trade.
        // This hash becomes the identifier of the escrow, and hence all these variables must be
        // supplied on future contract calls
        bytes32 _tradeHash = keccak256(abi.encodePacked(_tradeID, _seller, _buyer, _value, _fee));
        // Require that trade does not already exist
        require(!escrows[_tradeHash].exists, "Trade already exists");
        // A signature (v, r and s) must come from localethereum to open an escrow
        bytes32 _invitationHash = keccak256(abi.encodePacked(
            _tradeHash,
            _paymentWindowInSeconds,
            _expiry
        ));
        require(recoverAddress(_invitationHash, _v, _r, _s) == relayer, "Must be relayer");
        // These signatures come with an expiry stamp
        require(block.timestamp < _expiry, "Signature has expired");
        // Check transaction value against signed _value and make sure is not 0
        require(msg.value == _value && msg.value > 0, "Incorrect ether sent");
        uint32 _sellerCanCancelAfter = _paymentWindowInSeconds == 0
            ? 1
            : uint32(block.timestamp) + _paymentWindowInSeconds;
        // Add the escrow to the public mapping
        escrows[_tradeHash] = Escrow(true, _sellerCanCancelAfter, 0);
        emit Created(_tradeHash);
    }

    uint16 constant GAS_doResolveDispute = 36100;
    /// @notice Called by the arbitrator to resolve a dispute. Requires a signature from either party.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _v Signature "v" component
    /// @param _r Signature "r" component
    /// @param _s Signature "s" component
    /// @param _buyerPercent What % should be distributed to the buyer (this is usually 0 or 100)
    function resolveDispute(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint8 _v,
        bytes32 _r,
        bytes32 _s,
        uint8 _buyerPercent
    ) external onlyArbitrator {
        address _signature = recoverAddress(keccak256(abi.encodePacked(
            _tradeID,
            INSTRUCTION_RESOLVE
        )), _v, _r, _s);
        require(_signature == _buyer || _signature == _seller, "Must be buyer or seller");

        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        require(_escrow.exists, "Escrow does not exist");
        require(_buyerPercent <= 100, "_buyerPercent must be 100 or lower");

        uint256 _totalFees = _escrow.totalGasFeesSpentByRelayer + (GAS_doResolveDispute * uint128(tx.gasprice));
        require(_value - _totalFees <= _value, "Overflow error"); // Prevent underflow
        feesAvailableForWithdraw += _totalFees; // Add the the pot for localethereum to withdraw

        delete escrows[_tradeHash];
        emit DisputeResolved(_tradeHash);
        if (_buyerPercent > 0)
          _buyer.transfer((_value - _totalFees) * _buyerPercent / 100);
        if (_buyerPercent < 100)
          _seller.transfer((_value - _totalFees) * (100 - _buyerPercent) / 100);
    }

    /// @notice Release ether in escrow to the buyer. Direct call option.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return bool
    function release(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee
    ) external returns (bool){
        require(msg.sender == _seller, "Must be seller");
        return doRelease(_tradeID, _seller, _buyer, _value, _fee, 0);
    }

    /// @notice Disable the seller from cancelling (i.e. "mark as paid"). Direct call option.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return bool
    function disableSellerCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee
    ) external returns (bool) {
        require(msg.sender == _buyer, "Must be buyer");
        return doDisableSellerCancel(_tradeID, _seller, _buyer, _value, _fee, 0);
    }

    /// @notice Cancel the escrow as a buyer. Direct call option.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return bool
    function buyerCancel(
      bytes16 _tradeID,
      address _seller,
      address _buyer,
      uint256 _value,
      uint16 _fee
    ) external returns (bool) {
        require(msg.sender == _buyer, "Must be buyer");
        return doBuyerCancel(_tradeID, _seller, _buyer, _value, _fee, 0);
    }

    /// @notice Cancel the escrow as a seller. Direct call option.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return bool
    function sellerCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee
    ) external returns (bool) {
        require(msg.sender == _seller, "Must be seller");
        return doSellerCancel(_tradeID, _seller, _buyer, _value, _fee, 0);
    }

    /// @notice Request to cancel as a seller. Direct call option.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return bool
    function sellerRequestCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee
    ) external returns (bool) {
        require(msg.sender == _seller, "Must be seller");
        return doSellerRequestCancel(_tradeID, _seller, _buyer, _value, _fee, 0);
    }

    /// @notice Relay multiple signed instructions from parties of escrows.
    /// @param _tradeID List of _tradeID values
    /// @param _seller List of _seller values
    /// @param _buyer List of _buyer values
    /// @param _value List of _value values
    /// @param _fee List of _fee values
    /// @param _maximumGasPrice List of _maximumGasPrice values
    /// @param _v List of signature "v" components
    /// @param _r List of signature "r" components
    /// @param _s List of signature "s" components
    /// @param _instructionByte List of _instructionByte values
    /// @return bool List of results
    uint16 constant GAS_batchRelayBaseCost = 28500;
    function batchRelay(
        bytes16[] _tradeID,
        address[] _seller,
        address[] _buyer,
        uint256[] _value,
        uint16[] _fee,
        uint128[] _maximumGasPrice,
        uint8[] _v,
        bytes32[] _r,
        bytes32[] _s,
        uint8[] _instructionByte
    ) public returns (bool[]) {
        bool[] memory _results = new bool[](_tradeID.length);
        uint128 _additionalGas = uint128(msg.sender == relayer ? GAS_batchRelayBaseCost / _tradeID.length : 0);
        for (uint8 i=0; i<_tradeID.length; i++) {
            _results[i] = relay(
                _tradeID[i],
                _seller[i],
                _buyer[i],
                _value[i],
                _fee[i],
                _maximumGasPrice[i],
                _v[i],
                _r[i],
                _s[i],
                _instructionByte[i],
                _additionalGas
            );
        }
        return _results;
    }

    /// @notice Withdraw fees collected by the contract. Only the owner can call this.
    /// @param _to Address to withdraw fees in to
    /// @param _amount Amount to withdraw
    function withdrawFees(address _to, uint256 _amount) onlyOwner external {
        // This check also prevents underflow
        require(_amount <= feesAvailableForWithdraw, "Amount is higher than amount available");
        feesAvailableForWithdraw -= _amount;
        _to.transfer(_amount);
    }

    /// @notice Set the arbitrator to a new address. Only the owner can call this.
    /// @param _newArbitrator Address of the replacement arbitrator
    function setArbitrator(address _newArbitrator) onlyOwner external {
        arbitrator = _newArbitrator;
    }

    /// @notice Change the owner to a new address. Only the owner can call this.
    /// @param _newOwner Address of the replacement owner
    function setOwner(address _newOwner) onlyOwner external {
        owner = _newOwner;
    }

    /// @notice Change the relayer to a new address. Only the owner can call this.
    /// @param _newRelayer Address of the replacement relayer
    function setRelayer(address _newRelayer) onlyOwner external {
        relayer = _newRelayer;
    }

    /// @notice Change the requestCancellationMinimumTime. Only the owner can call this.
    /// @param _newRequestCancellationMinimumTime Replacement
    function setRequestCancellationMinimumTime(
        uint32 _newRequestCancellationMinimumTime
    ) onlyOwner external {
        requestCancellationMinimumTime = _newRequestCancellationMinimumTime;
    }

    /// @notice Send ERC20 tokens away. This function allows the owner to withdraw stuck ERC20 tokens.
    /// @param _tokenContract Token contract
    /// @param _transferTo Recipient
    /// @param _value Value
    function transferToken(
        Token _tokenContract,
        address _transferTo,
        uint256 _value
    ) onlyOwner external {
        _tokenContract.transfer(_transferTo, _value);
    }

    /// @notice Send ERC20 tokens away. This function allows the owner to withdraw stuck ERC20 tokens.
    /// @param _tokenContract Token contract
    /// @param _transferTo Recipient
    /// @param _transferFrom Sender
    /// @param _value Value
    function transferTokenFrom(
        Token _tokenContract,
        address _transferTo,
        address _transferFrom,
        uint256 _value
    ) onlyOwner external {
        _tokenContract.transferFrom(_transferTo, _transferFrom, _value);
    }

    /// @notice Send ERC20 tokens away. This function allows the owner to withdraw stuck ERC20 tokens.
    /// @param _tokenContract Token contract
    /// @param _spender Spender address
    /// @param _value Value
    function approveToken(
        Token _tokenContract,
        address _spender,
        uint256 _value
    ) onlyOwner external {
        _tokenContract.approve(_spender, _value);
    }

    /// @notice Relay a signed instruction from a party of an escrow.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _maximumGasPrice Maximum gas price permitted for the relayer (set by the instructor)
    /// @param _v Signature "v" component
    /// @param _r Signature "r" component
    /// @param _s Signature "s" component
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function relay(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _maximumGasPrice,
        uint8 _v,
        bytes32 _r,
        bytes32 _s,
        uint8 _instructionByte,
        uint128 _additionalGas
    ) private returns (bool) {
        address _relayedSender = getRelayedSender(
            _tradeID,
            _instructionByte,
            _maximumGasPrice,
            _v,
            _r,
            _s
        );
        if (_relayedSender == _buyer) {
            // Buyer's instructions:
            if (_instructionByte == INSTRUCTION_SELLER_CANNOT_CANCEL) {
                // Disable seller from cancelling
                return doDisableSellerCancel(_tradeID, _seller, _buyer, _value, _fee, _additionalGas);
            } else if (_instructionByte == INSTRUCTION_BUYER_CANCEL) {
                // Cancel
                return doBuyerCancel(_tradeID, _seller, _buyer, _value, _fee, _additionalGas);
            }
        } else if (_relayedSender == _seller) {
            // Seller's instructions:
            if (_instructionByte == INSTRUCTION_RELEASE) {
                // Release
                return doRelease(_tradeID, _seller, _buyer, _value, _fee, _additionalGas);
            } else if (_instructionByte == INSTRUCTION_SELLER_CANCEL) {
                // Cancel
                return doSellerCancel(_tradeID, _seller, _buyer, _value, _fee, _additionalGas);
            } else if (_instructionByte == INSTRUCTION_SELLER_REQUEST_CANCEL){
                // Request to cancel
                return doSellerRequestCancel(_tradeID, _seller, _buyer, _value, _fee, _additionalGas);
            }
        } else {
            require(msg.sender == _seller, "Unrecognised party");
            return false;
        }
    }

    /// @notice Increase the amount of gas to be charged later on completion of an escrow
    /// @param _tradeHash Trade hash
    /// @param _gas Gas cost
    function increaseGasSpent(bytes32 _tradeHash, uint128 _gas) private {
        escrows[_tradeHash].totalGasFeesSpentByRelayer += _gas * uint128(tx.gasprice);
    }

    /// @notice Transfer the value of an escrow, minus the fees, minus the gas costs incurred by relay
    /// @param _to Recipient address
    /// @param _value Value of the transfer
    /// @param _totalGasFeesSpentByRelayer Total gas fees spent by the relayer
    /// @param _fee Commission in 1/10000ths
    function transferMinusFees(
        address _to,
        uint256 _value,
        uint128 _totalGasFeesSpentByRelayer,
        uint16 _fee
    ) private {
        uint256 _totalFees = (_value * _fee / 10000) + _totalGasFeesSpentByRelayer;
        // Prevent underflow
        if(_value - _totalFees > _value) {
            return;
        }
        // Add fees to the pot for localethereum to withdraw
        feesAvailableForWithdraw += _totalFees;
        _to.transfer(_value - _totalFees);
    }

    uint16 constant GAS_doRelease = 46588;
    /// @notice Release escrow to the buyer. This completes it and removes it from the mapping.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function doRelease(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _additionalGas
    ) private returns (bool) {
        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        if (!_escrow.exists) return false;
        uint128 _gasFees = _escrow.totalGasFeesSpentByRelayer
            + (msg.sender == relayer
                ? (GAS_doRelease + _additionalGas ) * uint128(tx.gasprice)
                : 0
            );
        delete escrows[_tradeHash];
        emit Released(_tradeHash);
        transferMinusFees(_buyer, _value, _gasFees, _fee);
        return true;
    }

    uint16 constant GAS_doDisableSellerCancel = 28944;
    /// @notice Prevents the seller from cancelling an escrow. Used to "mark as paid" by the buyer.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function doDisableSellerCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _additionalGas
    ) private returns (bool) {
        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        if (!_escrow.exists) return false;
        if(_escrow.sellerCanCancelAfter == 0) return false;
        escrows[_tradeHash].sellerCanCancelAfter = 0;
        emit SellerCancelDisabled(_tradeHash);
        if (msg.sender == relayer) {
          increaseGasSpent(_tradeHash, GAS_doDisableSellerCancel + _additionalGas);
        }
        return true;
    }

    uint16 constant GAS_doBuyerCancel = 46255;
    /// @notice Cancels the trade and returns the ether to the seller. Can only be called the buyer.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function doBuyerCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _additionalGas
    ) private returns (bool) {
        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        if (!_escrow.exists) {
            return false;
        }
        uint128 _gasFees = _escrow.totalGasFeesSpentByRelayer
            + (msg.sender == relayer
                ? (GAS_doBuyerCancel + _additionalGas ) * uint128(tx.gasprice)
                : 0
            );
        delete escrows[_tradeHash];
        emit CancelledByBuyer(_tradeHash);
        transferMinusFees(_seller, _value, _gasFees, 0);
        return true;
    }

    uint16 constant GAS_doSellerCancel = 46815;
    /// @notice Returns the ether in escrow to the seller. Called by the seller. Sometimes unavailable.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function doSellerCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _additionalGas
    ) private returns (bool) {
        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        if (!_escrow.exists) {
            return false;
        }
        if(_escrow.sellerCanCancelAfter <= 1 || _escrow.sellerCanCancelAfter > block.timestamp) {
            return false;
        }
        uint128 _gasFees = _escrow.totalGasFeesSpentByRelayer
            + (msg.sender == relayer
                ? (GAS_doSellerCancel + _additionalGas ) * uint128(tx.gasprice)
                : 0
            );
        delete escrows[_tradeHash];
        emit CancelledBySeller(_tradeHash);
        transferMinusFees(_seller, _value, _gasFees, 0);
        return true;
    }

    uint16 constant GAS_doSellerRequestCancel = 29507;
    /// @notice Request to cancel. Used if the buyer is unresponsive. Begins a countdown timer.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @param _additionalGas Additional gas to be deducted after this operation
    /// @return bool
    function doSellerRequestCancel(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee,
        uint128 _additionalGas
    ) private returns (bool) {
        // Called on unlimited payment window trades where the buyer is not responding
        Escrow memory _escrow;
        bytes32 _tradeHash;
        (_escrow, _tradeHash) = getEscrowAndHash(_tradeID, _seller, _buyer, _value, _fee);
        if (!_escrow.exists) {
            return false;
        }
        if(_escrow.sellerCanCancelAfter != 1) {
            return false;
        }
        escrows[_tradeHash].sellerCanCancelAfter = uint32(block.timestamp)
            + requestCancellationMinimumTime;
        emit SellerRequestedCancel(_tradeHash);
        if (msg.sender == relayer) {
          increaseGasSpent(_tradeHash, GAS_doSellerRequestCancel + _additionalGas);
        }
        return true;
    }

    /// @notice Get the sender of the signed instruction.
    /// @param _tradeID Identifier of the trade
    /// @param _instructionByte Identifier of the instruction
    /// @param _maximumGasPrice Maximum gas price permitted by the sender
    /// @param _v Signature "v" component
    /// @param _r Signature "r" component
    /// @param _s Signature "s" component
    /// @return address
    function getRelayedSender(
      bytes16 _tradeID,
      uint8 _instructionByte,
      uint128 _maximumGasPrice,
      uint8 _v,
      bytes32 _r,
      bytes32 _s
    ) view private returns (address) {
        bytes32 _hash = keccak256(abi.encodePacked(
            _tradeID,
            _instructionByte,
            _maximumGasPrice
        ));
        if(tx.gasprice > _maximumGasPrice) {
            return;
        }
        return recoverAddress(_hash, _v, _r, _s);
    }

    /// @notice Hashes the values and returns the matching escrow object and trade hash.
    /// @dev Returns an empty escrow struct and 0 _tradeHash if not found.
    /// @param _tradeID Escrow "tradeID" parameter
    /// @param _seller Escrow "seller" parameter
    /// @param _buyer Escrow "buyer" parameter
    /// @param _value Escrow "value" parameter
    /// @param _fee Escrow "fee parameter
    /// @return Escrow
    function getEscrowAndHash(
        bytes16 _tradeID,
        address _seller,
        address _buyer,
        uint256 _value,
        uint16 _fee
    ) view private returns (Escrow, bytes32) {
        bytes32 _tradeHash = keccak256(abi.encodePacked(
            _tradeID,
            _seller,
            _buyer,
            _value,
            _fee
        ));
        return (escrows[_tradeHash], _tradeHash);
    }

    /// @notice Returns an empty escrow struct and 0 _tradeHash if not found.
    /// @param _h Data to be hashed
    /// @param _v Signature "v" component
    /// @param _r Signature "r" component
    /// @param _s Signature "s" component
    /// @return address
    function recoverAddress(
        bytes32 _h,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) private pure returns (address) {
        bytes memory _prefix = "\x19Ethereum Signed Message:\n32";
        bytes32 _prefixedHash = keccak256(abi.encodePacked(_prefix, _h));
        return ecrecover(_prefixedHash, _v, _r, _s);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"_newRequestCancellationMinimumTime","type":"uint32"}],"name":"setRequestCancellationMinimumTime","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"},{"name":"_buyerPercent","type":"uint8"}],"name":"resolveDispute","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"}],"name":"buyerCancel","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"escrows","outputs":[{"name":"exists","type":"bool"},{"name":"sellerCanCancelAfter","type":"uint32"},{"name":"totalGasFeesSpentByRelayer","type":"uint128"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"}],"name":"sellerCancel","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"requestCancellationMinimumTime","outputs":[{"name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"}],"name":"disableSellerCancel","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newRelayer","type":"address"}],"name":"setRelayer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"}],"name":"sellerRequestCancel","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"arbitrator","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"relayer","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16[]"},{"name":"_seller","type":"address[]"},{"name":"_buyer","type":"address[]"},{"name":"_value","type":"uint256[]"},{"name":"_fee","type":"uint16[]"},{"name":"_maximumGasPrice","type":"uint128[]"},{"name":"_v","type":"uint8[]"},{"name":"_r","type":"bytes32[]"},{"name":"_s","type":"bytes32[]"},{"name":"_instructionByte","type":"uint8[]"}],"name":"batchRelay","outputs":[{"name":"","type":"bool[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"withdrawFees","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newArbitrator","type":"address"}],"name":"setArbitrator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tokenContract","type":"address"},{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approveToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"feesAvailableForWithdraw","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenContract","type":"address"},{"name":"_transferTo","type":"address"},{"name":"_transferFrom","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferTokenFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"}],"name":"release","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_tradeID","type":"bytes16"},{"name":"_seller","type":"address"},{"name":"_buyer","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint16"},{"name":"_paymentWindowInSeconds","type":"uint32"},{"name":"_expiry","type":"uint32"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"}],"name":"createEscrow","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_tokenContract","type":"address"},{"name":"_transferTo","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"Created","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"SellerCancelDisabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"SellerRequestedCancel","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"CancelledBySeller","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"CancelledByBuyer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"Released","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_tradeHash","type":"bytes32"}],"name":"DisputeResolved","type":"event"}]

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

0x60806040526004361061010e5763ffffffff60e060020a60003504166305b64993811461011357806313af40351461013357806324943c7d146101545780632cc9636c146101a75780632d83549c146101f957806335adc0c51461023f57806357938b2a1461027d5780635c810f09146102ab5780636548e9bc146102e95780636b4078371461030a5780636cc6cde1146103485780638406c079146103795780638da5cb5b1461038e5780638eb4e0ad146103a3578063ad3b1b4714610649578063b0eefabe1461066d578063da3e33971461068e578063de5785d5146106b8578063e5994905146106df578063e9600f121461070f578063f1e03d671461074d578063f5537ede1461079b575b600080fd5b34801561011f57600080fd5b5061013163ffffffff600435166107c5565b005b34801561013f57600080fd5b50610131600160a060020a036004351661085d565b34801561016057600080fd5b506101316001608060020a031960043516600160a060020a036024358116906044351660643561ffff6084351660ff60a43581169060c4359060e4359061010435166108dc565b3480156101b357600080fd5b506101e56001608060020a031960043516600160a060020a036024358116906044351660643561ffff60843516610ce9565b604080519115158252519081900360200190f35b34801561020557600080fd5b50610211600435610d64565b60408051931515845263ffffffff90921660208401526001608060020a031682820152519081900360600190f35b34801561024b57600080fd5b506101e56001608060020a031960043516600160a060020a036024358116906044351660643561ffff60843516610d99565b34801561028957600080fd5b50610292610e0a565b6040805163ffffffff9092168252519081900360200190f35b3480156102b757600080fd5b506101e56001608060020a031960043516600160a060020a036024358116906044351660643561ffff60843516610e2e565b3480156102f557600080fd5b50610131600160a060020a0360043516610e9f565b34801561031657600080fd5b506101e56001608060020a031960043516600160a060020a036024358116906044351660643561ffff60843516610f1e565b34801561035457600080fd5b5061035d610f8f565b60408051600160a060020a039092168252519081900360200190f35b34801561038557600080fd5b5061035d610f9e565b34801561039a57600080fd5b5061035d610fad565b3480156103af57600080fd5b50604080516020600480358082013583810280860185019096528085526105f995369593946024949385019291829185019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750506040805187358901803560208181028481018201909552818452989b9a998901989297509082019550935083925085019084908082843750949750610fbc9650505050505050565b60408051602080825283518183015283519192839290830191858101910280838360005b8381101561063557818101518382015260200161061d565b505050509050019250505060405180910390f35b34801561065557600080fd5b50610131600160a060020a036004351660243561117e565b34801561067957600080fd5b50610131600160a060020a0360043516611292565b34801561069a57600080fd5b50610131600160a060020a0360043581169060243516604435611311565b3480156106c457600080fd5b506106cd6113f5565b60408051918252519081900360200190f35b3480156106eb57600080fd5b50610131600160a060020a03600435811690602435811690604435166064356113fb565b34801561071b57600080fd5b506101e56001608060020a031960043516600160a060020a036024358116906044351660643561ffff608435166114f1565b6101316001608060020a031960043516600160a060020a036024358116906044351660643561ffff6084351663ffffffff60a43581169060c4351660ff60e435166101043561012435611562565b3480156107a757600080fd5b50610131600160a060020a036004358116906024351660443561195c565b600154600160a060020a03163314610815576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b6002805463ffffffff909216740100000000000000000000000000000000000000000277ffffffff000000000000000000000000000000000000000019909216919091179055565b600154600160a060020a031633146108ad576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b6001805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b60006108e66123c4565b600080548190600160a060020a0316331461094b576040805160e560020a62461bcd02815260206004820152601260248201527f4d7573742062652061726269747261746f720000000000000000000000000000604482015290519081900360640190fd5b604080516001608060020a03198f166020808301919091527f06000000000000000000000000000000000000000000000000000000000000006030830152825160118184030181526031909201928390528151610a0193918291908401908083835b602083106109cc5780518252601f1990920191602091820191016109ad565b6001836020036101000a0380198251168184511680821785525050505050509050019150506040518091039020898989611a0f565b93508a600160a060020a031684600160a060020a03161480610a3457508b600160a060020a031684600160a060020a0316145b1515610a8a576040805160e560020a62461bcd02815260206004820152601760248201527f4d757374206265206275796572206f722073656c6c6572000000000000000000604482015290519081900360640190fd5b610a978d8d8d8d8d611b70565b815191945092501515610af4576040805160e560020a62461bcd02815260206004820152601560248201527f457363726f7720646f6573206e6f742065786973740000000000000000000000604482015290519081900360640190fd5b606460ff86161115610b76576040805160e560020a62461bcd02815260206004820152602260248201527f5f627579657250657263656e74206d75737420626520313030206f72206c6f7760448201527f6572000000000000000000000000000000000000000000000000000000000000606482015290519081900360840190fd5b5060408201513a618d0402016001608060020a0316808a038a1015610be5576040805160e560020a62461bcd02815260206004820152600e60248201527f4f766572666c6f77206572726f72000000000000000000000000000000000000604482015290519081900360640190fd5b6003805482019055600082815260046020526040808220805474ffffffffffffffffffffffffffffffffffffffffff191690555183917f65e0c7182ce84cd9087c1b07dc4b65875578877b885848e4be19ee312f2c3d3191a260008560ff161115610c8b57604051600160a060020a038c1690606460ff8816848e03020480156108fc02916000818181858888f19350505050158015610c89573d6000803e3d6000fd5b505b60648560ff161015610cda57604051600160a060020a038d1690606487810360ff16848e03020480156108fc02916000818181858888f19350505050158015610cd8573d6000803e3d6000fd5b505b50505050505050505050505050565b600033600160a060020a03851614610d4b576040805160e560020a62461bcd02815260206004820152600d60248201527f4d75737420626520627579657200000000000000000000000000000000000000604482015290519081900360640190fd5b610d5a86868686866000611cb4565b9695505050505050565b60046020526000908152604090205460ff811690610100810463ffffffff16906501000000000090046001608060020a031683565b600033600160a060020a03861614610dfb576040805160e560020a62461bcd02815260206004820152600e60248201527f4d7573742062652073656c6c6572000000000000000000000000000000000000604482015290519081900360640190fd5b610d5a86868686866000611d7f565b60025474010000000000000000000000000000000000000000900463ffffffff1681565b600033600160a060020a03851614610e90576040805160e560020a62461bcd02815260206004820152600d60248201527f4d75737420626520627579657200000000000000000000000000000000000000604482015290519081900360640190fd5b610d5a86868686866000611e69565b600154600160a060020a03163314610eef576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b6002805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b600033600160a060020a03861614610f80576040805160e560020a62461bcd02815260206004820152600e60248201527f4d7573742062652073656c6c6572000000000000000000000000000000000000604482015290519081900360640190fd5b610d5a86868686866000611f25565b600054600160a060020a031681565b600254600160a060020a031681565b600154600160a060020a031681565b6060806000808d51604051908082528060200260200182016040528015610fed578160200160208202803883390190505b50600254909350600160a060020a0316331461100a57600061101a565b8d51616f5481151561101857fe5b045b9150600090505b8d518160ff16101561116c576111448e8260ff1681518110151561104157fe5b906020019060200201518e8360ff1681518110151561105c57fe5b906020019060200201518e8460ff1681518110151561107757fe5b906020019060200201518e8560ff1681518110151561109257fe5b906020019060200201518e8660ff168151811015156110ad57fe5b906020019060200201518e8760ff168151811015156110c857fe5b906020019060200201518e8860ff168151811015156110e357fe5b906020019060200201518e8960ff168151811015156110fe57fe5b906020019060200201518e8a60ff1681518110151561111957fe5b906020019060200201518e8b60ff1681518110151561113457fe5b906020019060200201518c612007565b838260ff1681518110151561115557fe5b911515602092830290910190910152600101611021565b50909c9b505050505050505050505050565b600154600160a060020a031633146111ce576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b60035481111561124e576040805160e560020a62461bcd02815260206004820152602660248201527f416d6f756e7420697320686967686572207468616e20616d6f756e742061766160448201527f696c61626c650000000000000000000000000000000000000000000000000000606482015290519081900360840190fd5b600380548290039055604051600160a060020a0383169082156108fc029083906000818181858888f1935050505015801561128d573d6000803e3d6000fd5b505050565b600154600160a060020a031633146112e2576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b6000805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b600154600160a060020a03163314611361576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b82600160a060020a031663095ea7b383836040518363ffffffff1660e060020a0281526004018083600160a060020a0316600160a060020a0316815260200182815260200192505050602060405180830381600087803b1580156113c457600080fd5b505af11580156113d8573d6000803e3d6000fd5b505050506040513d60208110156113ee57600080fd5b5050505050565b60035481565b600154600160a060020a0316331461144b576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b604080517f23b872dd000000000000000000000000000000000000000000000000000000008152600160a060020a0385811660048301528481166024830152604482018490529151918616916323b872dd916064808201926020929091908290030181600087803b1580156114bf57600080fd5b505af11580156114d3573d6000803e3d6000fd5b505050506040513d60208110156114e957600080fd5b505050505050565b600033600160a060020a03861614611553576040805160e560020a62461bcd02815260206004820152600e60248201527f4d7573742062652073656c6c6572000000000000000000000000000000000000604482015290519081900360640190fd5b610d5a86868686866000612151565b604080516001608060020a03198c166020808301919091526c01000000000000000000000000600160a060020a03808e16820260308501528c16026044830152605882018a90527e0100000000000000000000000000000000000000000000000000000000000061ffff8a160260788301528251605a818403018152607a90920192839052815160009384938493909282918401908083835b6020831061161a5780518252601f1990920191602091820191016115fb565b51815160209384036101000a6000190180199092169116179052604080519290940182900390912060008181526004909252929020549196505060ff161591506116b09050576040805160e560020a62461bcd02815260206004820152601460248201527f547261646520616c726561647920657869737473000000000000000000000000604482015290519081900360640190fd5b60408051602080820186905260e060020a63ffffffff808d168202848601528b1602604483015282516028818403018152604890920192839052815191929182918401908083835b602083106117175780518252601f1990920191602091820191016116f8565b5181516020939093036101000a60001901801990911692169190911790526040519201829003909120600254909550600160a060020a031692506117619150849050888888611a0f565b600160a060020a0316146117bf576040805160e560020a62461bcd02815260206004820152600f60248201527f4d7573742062652072656c617965720000000000000000000000000000000000604482015290519081900360640190fd5b63ffffffff8716421061181c576040805160e560020a62461bcd02815260206004820152601560248201527f5369676e61747572652068617320657870697265640000000000000000000000604482015290519081900360640190fd5b893414801561182b5750600034115b1515611881576040805160e560020a62461bcd02815260206004820152601460248201527f496e636f72726563742065746865722073656e74000000000000000000000000604482015290519081900360640190fd5b63ffffffff88161561189557874201611898565b60015b604080516060810182526001815263ffffffff808416602080840191825260008486018181528a8252600490925285812094518554935192516001608060020a0316650100000000000274ffffffffffffffffffffffffffffffff000000000019939095166101000264ffffffff001991151560ff199095169490941716929092171691909117909155905191925084917f102d25c49d33fcdb8976a3f2744e0785c98d9e43b88364859e6aec4ae82eff5c9190a250505050505050505050505050565b600154600160a060020a031633146119ac576040805160e560020a62461bcd02815260206004820152600d60248201526000805160206123e5833981519152604482015290519081900360640190fd5b82600160a060020a031663a9059cbb83836040518363ffffffff1660e060020a0281526004018083600160a060020a0316600160a060020a0316815260200182815260200192505050602060405180830381600087803b1580156113c457600080fd5b604080518082018252601c8082527f19457468657265756d205369676e6564204d6573736167653a0a33320000000060208084019182529351600094859385938b939092019182918083835b60208310611a7a5780518252601f199092019160209182019101611a5b565b51815160209384036101000a600019018019909216911617905292019384525060408051808503815293820190819052835193945092839250908401908083835b60208310611ada5780518252601f199092019160209182019101611abb565b51815160209384036101000a600019018019909216911617905260408051929094018290038220600080845283830180875282905260ff8e1684870152606084018d9052608084018c905294519097506001965060a080840196509194601f19820194509281900390910191865af1158015611b5a573d6000803e3d6000fd5b5050604051601f19015198975050505050505050565b611b786123c4565b604080516001608060020a031988166020808301919091526c01000000000000000000000000600160a060020a03808a16820260308501528816026044830152605882018690527e0100000000000000000000000000000000000000000000000000000000000061ffff86160260788301528251605a818403018152607a909201928390528151600093849392909182918401908083835b60208310611c2f5780518252601f199092019160209182019101611c10565b518151602093840361010090810a6000190180199093169290911691909117909152604080519390950183900383206000818152600484528690206060850187525460ff81161515855291820463ffffffff16928401929092526501000000000090046001608060020a0316938201939093529c919b50909950505050505050505050565b6000611cbe6123c4565b600080611cce8a8a8a8a8a611b70565b815191945092501515611ce45760009350611d72565b600254600160a060020a03163314611cfd576000611d05565b61b4af85013a025b60408085015160008581526004602052828120805474ffffffffffffffffffffffffffffffffffffffffff1916905591519201925083917fd9b627ddaa414e8e6c82366cc9c179f6281d73968827cc17038a56852e28ac8b9190a2611d6d8988836000612205565b600193505b5050509695505050505050565b6000611d896123c4565b600080611d998a8a8a8a8a611b70565b815191945092501515611daf5760009350611d72565b6001836020015163ffffffff16111580611dd2575042836020015163ffffffff16115b15611de05760009350611d72565b600254600160a060020a03163314611df9576000611e01565b61b6df85013a025b60408085015160008581526004602052828120805474ffffffffffffffffffffffffffffffffffffffffff1916905591519201925083917f366d2b4e6cc37ecebb3d7d41df6d581634fd8137412710a1e086e4ca4656bb589190a2611d6d8988836000612205565b6000611e736123c4565b6000611e828989898989611b70565b815191935091501515611e985760009250611f19565b602082015163ffffffff161515611eb25760009250611f19565b600081815260046020526040808220805464ffffffff00191690555182917fe95fa7985c7585e90dab2dc46470726468662be06f67d79a31a5012e4bc0edeb91a2600254600160a060020a0316331415611f1457611f14816171108601612269565b600192505b50509695505050505050565b6000611f2f6123c4565b6000611f3e8989898989611b70565b815191935091501515611f545760009250611f19565b816020015163ffffffff166001141515611f715760009250611f19565b60025460008281526004602052604080822080544263ffffffff740100000000000000000000000000000000000000009096048616019094166101000264ffffffff001990941693909317909255905182917f43e76a2687c7b12792086e4c776772be26c4d6a7041115f446cbc22ccada08ab91a2600254600160a060020a0316331415611f1457611f14816173438601612269565b6000806120188d858a8a8a8a6122bb565b90508a600160a060020a031681600160a060020a031614156120745760ff8416600114156120555761204e8d8d8d8d8d88611e69565b9150612141565b60ff84166002141561206f5761204e8d8d8d8d8d88611cb4565b612141565b8b600160a060020a031681600160a060020a031614156120dc5760ff8416600514156120a85761204e8d8d8d8d8d88612151565b60ff8416600314156120c25761204e8d8d8d8d8d88611d7f565b60ff84166004141561206f5761204e8d8d8d8d8d88611f25565b33600160a060020a038d161461213c576040805160e560020a62461bcd02815260206004820152601260248201527f556e7265636f676e697365642070617274790000000000000000000000000000604482015290519081900360640190fd5b600091505b509b9a5050505050505050505050565b600061215b6123c4565b60008061216b8a8a8a8a8a611b70565b8151919450925015156121815760009350611d72565b600254600160a060020a0316331461219a5760006121a2565b61b5fc85013a025b60408085015160008581526004602052828120805474ffffffffffffffffffffffffffffffffffffffffff1916905591519201925083917f6eec2dd2382427616d4ea7ef183b16091feac4e2e63c8b55f25215f132df8d149190a2611d6d888883895b61271061ffff82168402046001608060020a0383160180840384101561222a576113ee565b6003805482019055604051600160a060020a0386169082860380156108fc02916000818181858888f193505050501580156114e9573d6000803e3d6000fd5b600091825260046020526040909120805474ffffffffffffffffffffffffffffffff00000000001981163a90930265010000000000918290046001608060020a03908116919091011602919091179055565b604080516001608060020a031988166020808301919091527f010000000000000000000000000000000000000000000000000000000000000060ff89160260308301527001000000000000000000000000000000006001608060020a038816026031830152825160218184030181526041909201928390528151600093849392909182918401908083835b602083106123655780518252601f199092019160209182019101612346565b6001836020036101000a03801982511681845116808217855250505050505090500191505060405180910390209050856001608060020a03163a11156123aa576123b9565b6123b681868686611a0f565b91505b509695505050505050565b60408051606081018252600080825260208201819052918101919091529056004d757374206265206f776e657200000000000000000000000000000000000000a165627a7a72305820654333d3912b8c3728a12e74d8df8495a94933ffd9a94d7e32ed95bc0ab7b6830029

bzzr://654333d3912b8c3728a12e74d8df8495a94933ffd9a94d7e32ed95bc0ab7b683