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•  contract owned
•    - function owned()
•    - function transferOwnership(address ne ...
• interface token function transferFro ...
•  contract CZRSnowLocker is owned *
•    - function CZRSnowLocker(address _token ...
•    - function start()
•    - function pause()
•    - function receiveApproval(address _fro ...
•    - function _lock(address addr, uint amo ...
•    - function unlock(address addr, uint in ...
•    - function _calcReward(uint during, uin ...

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/**
 *Submitted for verification at Etherscan.io on 2018-02-05
*/

pragma solidity ^0.4.16;

contract owned {
    address public owner;

    function owned() public {
        owner = msg.sender;
    }

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

    function transferOwnership(address newOwner) onlyOwner public {
        owner = newOwner;
    }
}

interface token { function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); }

contract CZRSnowLocker is owned {
    
    address public tokenAddr;
    bool public isPaused = false;

    event Lock(address indexed addr, uint index, uint amount);
    event Unlock(address indexed addr, uint index, uint lockAmount, uint rewardAmount);
    
    struct LockRecord {
        uint time;
        uint amount;
        bool completed;
    }
    
    mapping(address => LockRecord[]) public lockRecordMap;
    
    function CZRSnowLocker(address _tokenAddr) public {
        tokenAddr = _tokenAddr;
    }
    
    function start() onlyOwner public {
        isPaused = false;
    }
    
    function pause() onlyOwner public {
        isPaused = true;
    }

    /// @notice impl tokenRecipient interface
    function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public {
        require(_token == tokenAddr);
        require(_extraData.length == 0);
        _lock(_from, _value);
    }

    function _lock(address addr, uint amount) internal {
        require(!isPaused);
        require(amount >= 100 ether);

        token t = token(tokenAddr);
        t.transferFrom(addr, owner, amount);

        lockRecordMap[addr].push(LockRecord(now, amount, false));
        
        uint index = lockRecordMap[addr].length - 1;
        Lock(addr, index, amount);
    }
    
    /// @notice withdraw CZR
    /// @param addr address to withdraw
    /// @param index deposit index
    function unlock(address addr, uint index) public {
        require(addr == msg.sender);
        
        var lock = lockRecordMap[addr][index];
        require(lock.amount > 0 && !lock.completed);

        var during = now - lock.time;
        var reward = _calcReward(during, lock.amount);

        token t = token(tokenAddr);
        t.transferFrom(owner, addr, lock.amount + reward);

        lock.completed = true;

        Unlock(addr, index, lock.amount, reward);        
    }

    function _calcReward(uint during, uint amount) internal view returns (uint) {
        uint n = during / 90 days;
        if (n == 0)
             return 0;
        if (n == 1)
            return amount * 2 / 100;
        if (n == 2)
            return amount * 5 / 100;
        if (n == 3)
            return amount * 8 / 100;
        return amount * 12 / 100;
    }
}

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[{"constant":true,"inputs":[],"name":"tokenAddr","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"},{"name":"index","type":"uint256"}],"name":"unlock","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"},{"name":"_token","type":"address"},{"name":"_extraData","type":"bytes"}],"name":"receiveApproval","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isPaused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"start","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"lockRecordMap","outputs":[{"name":"time","type":"uint256"},{"name":"amount","type":"uint256"},{"name":"completed","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_tokenAddr","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"addr","type":"address"},{"indexed":false,"name":"index","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Lock","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"addr","type":"address"},{"indexed":false,"name":"index","type":"uint256"},{"indexed":false,"name":"lockAmount","type":"uint256"},{"indexed":false,"name":"rewardAmount","type":"uint256"}],"name":"Unlock","type":"event"}]

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0000000000000000000000000223fc70574214f65813fe336d870ac47e147fae

-----Decoded View---------------
Arg [0] : _tokenAddr (address): 0x0223fc70574214F65813fE336D870Ac47E147fAe

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000223fc70574214f65813fe336d870ac47e147fae

bzzr://e6ad4547eaf43f1ca14a6c8cf7dad83d0f941433ef8b04075bd3f06343a19892