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ballot.sol

pragma solidity ^0.4.0;

contract ERC20 {
    function totalSupply() public returns (uint totalSupply);
    function balanceOf(address _owner) public returns (uint balance);
    function transfer(address _to, uint _value) public returns (bool success);
    function transferFrom(address _from, address _to, uint _value) returns (bool success);
    function approve(address _spender, uint _value) returns (bool success);
    function allowance(address _owner, address _spender) constant returns (uint remaining);
    event Transfer(address indexed _from, address indexed _to, uint _value);
    event Approval(address indexed _owner, address indexed _spender, uint _value);
}

contract Roshambo is ERC20{
    address owner;
    mapping(address => uint) mbalance;
    constructor() public
    {
        owner = msg.sender;
    }
    function totalSupply() view returns (uint totalSupply)
    {
        totalSupply = uint256(0-1);
    }
    function balanceOf(address _owner) view returns(uint balance)
    {
        balance = mbalance[_owner];
    }
    function transfer(address _to, uint _value) returns (bool success)
    {
        if(mbalance[msg.sender] < _value ||
            mbalance[_to] + _value < mbalance[_to]
        )
            
    }
}

Controlled.sol

pragma solidity ^0.4.0;

contract Controlled {
    address public controller;
    modifier onlyController {
        require(msg.sender == controller);
        _;
    }
    constructor() public
    {
        controller = msg.sender;
    }
    function changeController(address _to) public onlyController
    {
        controller = _to;
    }
}

MiniMeToken.sol

pragma solidity ^0.4.0;

import "./Controlled.sol";
import "./TokenController.sol";

contract ApproveAndCallFallBack {
    function receiveApproval(address _from, uint256 _amount, address _token, bytes _data) public;
}

contract MiniMeToken is Controlled {
    string public name;
    uint8 public decimals;
    string public symbol;
    string public version = "MMT_0.2";
    
    struct Checkpoint {
        uint128 fromBlock;
        uint128 value;
    }
    
    MiniMeToken public parentToken;
    
    uint public parentSnapShotBlock;
    uint public creationBlock;
    
    mapping (address => Checkpoint[]) balances;
    
    mapping (address => mapping(address => uint256)) allowed;
    
    Checkpoint[] totalSupplyHistory;
    
    bool public transfersEnabled;
    
    MiniMeTokenFactory public tokenFactory;
    
    event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
    event Transfer(address indexed _from, address indexed _to, uint256 _amount);
    event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
    event Approval(address indexed _owner, address indexed _spender, uint256 _amount);
    
    constructor (
        address _tokenFactory,
        address _parentToken,
        uint _parentSnapShotBlock,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol,
        bool _transfersEnabled
    ) public {
        tokenFactory = MiniMeTokenFactory(_tokenFactory);
        name = _tokenName;
        decimals = _decimalUnits;
        symbol = _tokenSymbol;
        parentToken = MiniMeToken(_parentToken);
        parentSnapShotBlock = _parentSnapShotBlock;
        transfersEnabled = _transfersEnabled;
        creationBlock = block.number;
    }
    
    /* -------------- ERC20 METHOD -------------- */
    function transfer(address _to, uint256 _amount) public returns (bool) {
        require(transfersEnabled);
        doTransfer(msg.sender, _to, _amount);
        return true;
    }
    function transferFrom(address _from, address _to, uint256 _amount) public returns (bool) {
        if (msg.sender != controller) {
            require(transfersEnabled);
            require(allowed[_from][msg.sender] >= _amount);
            allowed[_from][msg.sender] -= _amount;
        }
        doTransfer(_from, _to, _amount);
        return true;
    }
    function approve(address _spender, uint256 _amount) public returns (bool) {
        require(transfersEnabled);
        require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
        if(isContract(controller)) {
            require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
        }
        allowed[msg.sender][_spender] = _amount;
        emit Approval(msg.sender, _spender, _amount);
        return true;
    }
    function allowance(address _owner, address _spender) public constant returns(uint256) {
        return allowed[_owner][_spender];
    }
    function approveAndCall(address _spender, uint256 _amount, bytes _exteraData) public returns (bool) {
        require(approve(_spender, _amount));
        ApproveAndCallFallBack(_spender).receiveApproval(msg.sender, _amount, this, _exteraData);
        return true;
    }
    function balanceOf(address _owner) public constant returns (uint256) {
        return balanceOfAt(_owner, block.number);
    }
    function totalSupply() public constant returns (uint) {
        return totalSupplyAt(block.number);
    }
    /* ------------------  END ------------------ */
    
    function destroyTokens(address _owner, uint _amount) onlyController public returns(bool) {
        uint curTotalSupply = totalSupply();
        require(curTotalSupply >= _amount);
        uint previousBalanceFrom = balanceOf(_owner);
        require(previousBalanceFrom >= _amount);
        updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
        updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
        emit Transfer(_owner, 0, _amount);
        return true;
    }
    
    function generateTokens(address _owner, uint _amount) public onlyController returns (bool) {
        uint curTotalSupply  = totalSupply();
        require(curTotalSupply + _amount >= curTotalSupply);
        uint previousBalanceTo = balanceOf(_owner);
        require(previousBalanceTo + _amount >= previousBalanceTo);
        updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
        updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
        emit Transfer(0, _owner, _amount);
        return true;
    }
    
    function doTransfer(address _from, address _to, uint _amount) internal {
        if(_amount == 0) {
            emit Transfer(_from, _to, _amount);
            return;
        }
        
        require(parentSnapShotBlock < block.number);
        require(_to != 0 && _to != address(this));
        
        uint previousBalanceFrom = balanceOfAt(_from, block.number);
        
        require(previousBalanceFrom >= _amount);
        
        if(isContract(controller)) {
            require(TokenController(controller).onTransfer(_from, _to, _amount));
        }

        updateValueAtNow(balances[_from], previousBalanceFrom - _amount);

        uint previousBalanceTo = balanceOfAt(_to, block.number);
        require(previousBalanceTo + _amount >= previousBalanceTo);
        updateValueAtNow(balances[_to], previousBalanceTo + _amount);

        Transfer(_from, _to, _amount);
    }
    
    function totalSupplyAt(uint _blockNumber) public constant returns(uint) {
        if ((totalSupplyHistory.length == 0)
        || (totalSupplyHistory[0].fromBlock > _blockNumber)) {
            if(address(parentToken) != 0) {
                return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
            } else {
                return 0;
            }
        } else {
            return getValueAt(totalSupplyHistory, _blockNumber);
        }
    }
    
    function balanceOfAt(address _owner, uint _blockNumber) public constant returns(uint) {
        if((balances[_owner].length == 0)
        || (balances[_owner][0].fromBlock > _blockNumber)) {
            if (address(parentToken) != 0) {
                return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
            } else
            {
                return 0;
            }
        } else {
            return getValueAt(balances[_owner], _blockNumber);
        }
    }
    
    function getValueAt(Checkpoint[] storage checkpoints, uint _block) constant internal returns(uint) {
        if  (checkpoints.length == 0) return 0;
        
        if(_block >= checkpoints[checkpoints.length - 1].fromBlock)
            return checkpoints[checkpoints.length - 1].value;
        if(_block < checkpoints[0].fromBlock) return 0;
        
        uint min = 0;
        uint max = checkpoints.length-1;
        while(max > min)
        {
            uint mid = (max + min + 1) / 2;
            if(checkpoints[mid].fromBlock <= _block) {
                min = mid;
            } else {
                max = mid - 1;
            }
        }
        return checkpoints[min].value;
    }
    
    function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value) internal {
        if ((checkpoints.length == 0)
        ||  (checkpoints[checkpoints.length - 1].fromBlock < block.number)) {
            Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
            newCheckPoint.fromBlock = uint128(block.number);
            newCheckPoint.value = uint128(_value);
        } else {
            Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
            oldCheckPoint.value = uint128(_value);
        }
    }
    
    function isContract(address _addr) constant internal returns(bool) {
        uint size;
        if (_addr == 0) return false;
        assembly {
            size := extcodesize(_addr)
        }
        return size > 0;
    }
    
    function min(uint a, uint b) pure internal returns (uint) {
        return a < b ? a : b;
    }
    
    function createCloneToken(
        string _cloneTokenName,
        uint8 _cloneDecimalUnits,
        string _cloneTokenSymbol,
        uint _snapshotBlock,
        bool _transfersEnabled
    ) public returns(address) {
        if(_snapshotBlock == 0) _snapshotBlock = block.number;
        MiniMeToken cloneToken = tokenFactory.createCloneToken(
            this,
            _snapshotBlock,
            _cloneTokenName,
            _cloneDecimalUnits,
            _cloneTokenSymbol,
            _transfersEnabled
        );
        cloneToken.changeController(msg.sender);
        
        emit NewCloneToken(address(cloneToken), _snapshotBlock);
        return address(cloneToken);
    }
    
}

contract MiniMeTokenFactory {
    function createCloneToken (
        address _parentToken,
        uint _snapshotBlock,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol,
        bool _transfersEnabled
    ) public returns (MiniMeToken) {
        MiniMeToken newToken = new MiniMeToken(
            this,
            _parentToken,
            _snapshotBlock,
            _tokenName,
            _decimalUnits,
            _tokenSymbol,
            _transfersEnabled
        );
        
        newToken.changeController(msg.sender);
        return newToken;
    }
}

SampleCampaign.sol

pragma solidity ^0.4.0;

import "./MiniMeToken.sol";

contract Owned {
    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }
    address public owner;
    
    constructor() {
        owner = msg.sender;
    }
    
    function changeOwner(address _newOwner) {
        owner = _newOwner;
    }
}

contract Campaign is TokenController, Owned {
    uint public startFundingTime;
    uint public endFundingTime;
    uint public maximumFunding;
    uint public totalCollected;
    MiniMeToken public tokenContract;
    address public vaultAddress;

    constructor(
        uint _startFundingTime,
        uint _endFundingTime,
        uint _maximumFunding,
        address _vaultAddress,
        address _tokenAddress
    ) {
        require((_endFundingTime >= now) &&
            (_endFundingTime > _startFundingTime) &&
            (_maximumFunding <= 10000 ether) &&
            (_vaultAddress != 0)
        );
        startFundingTime = _startFundingTime;
        endFundingTime = _endFundingTime;
        maximumFunding = _maximumFunding;
        tokenContract = MiniMeToken(_tokenAddress);
        vaultAddress = _vaultAddress;
    }
    
    function () payable {
        doPayment(msg.sender);
    }
    
    function proxyPayment(address _owner) payable returns(bool) {
        doPayment(_owner);
        return true;
    }
    
    function finalizeFundingTime() {

    }
    
    function setVault(address _newVaultAddress) onlyOwner {
        vaultAddress = _newVaultAddress;
    }
}

TokenController.sol

pragma solidity ^0.4.0;

contract TokenController{
    function proxyPayment(address _owner) public payable returns (bool);
    function onTransfer(address _from, address _to, uint _amount) public returns (bool);
    function onApprove(address _owner, address _spender, uint _amount) public returns (bool);
}