0x7090...2b17

// Recovered by EthereumHistory (ethereumhistory.com) -sw
contract Lock {
    address owner;

    function setDeposit(uint _deposit) {
        if (msg.sender != owner) return;
        deposit = _deposit;
    }

    function open() {
        if (msg.sender == owner || msg.sender == user) {
            isOpen += 1;
            Open();
            return;
        }
        if (isOpen > 0 || msg.value < deposit) {
            msg.sender.send(msg.value);
        } else {
            isOpen += 1;
            Open();
            openTime = now;
            user = msg.sender;
        }
    }

    uint deposit;
    uint price;
    address user;
    uint isOpen;
    uint openTime;
    uint closeTime;
    uint timeBlock;

    event Open();
    event Close();

    function Lock(uint _deposit, uint _price, uint _timeBlock) {
        owner = msg.sender;
        isOpen = 0;
        deposit = _deposit;
        price = _price;
        if (_timeBlock == 0) timeBlock = 1;
        else timeBlock = _timeBlock;
        openTime = now;
        user = msg.sender;
    }

    function setTimeBlock(uint _timeBlock) {
        if (msg.sender != owner) return;
        timeBlock = _timeBlock;
    }

    function costs() returns (uint) {
        return price * (now - openTime + timeBlock) / timeBlock;
    }

    function setPrice(uint _price) {
        if (msg.sender != owner) return;
        price = _price;
    }

    function close() {
        if (isOpen == 0) return;
        if (msg.sender == owner && owner == user) {
            isOpen = 0;
            Close();
            return;
        }
        if (msg.sender == user) {
            uint c = costs();
            if (c > deposit) {
                owner.send(deposit);
            } else {
                user.send(deposit - c);
                owner.send(c);
            }
            isOpen = 0;
            user = owner;
            Close();
        }
    }

    function closedByOwner() {
        if (msg.sender != owner) return;
        if (costs() > deposit) {
            owner.send(deposit);
            isOpen = 0;
            user = owner;
        }
    }
}