pragma solidity ^0.4.18;
/**
*   Crowdsale contracts edited from original contract code at https://www.ethereum.org/crowdsale#crowdfund-your-idea
*   Additional crowdsale contracts, functions, libraries from OpenZeppelin
*       at https://github.com/OpenZeppelin/zeppelin-solidity/tree/master/contracts/token
*   Token contract edited from original contract code at https://www.ethereum.org/token
*   ERC20 interface and certain token functions adapted from https://github.com/ConsenSys/Tokens
**/
contract ERC20 {
    //Sets events and functions for ERC20 token
    event Approval(address indexed _owner, address indexed _spender, uint _value);
    event Transfer(address indexed _from, address indexed _to, uint _value);
    function allowance(address _owner, address _spender) public constant returns (uint remaining);
    function approve(address _spender, uint _value) public returns (bool success);
    function balanceOf(address _owner) public constant returns (uint balance);
    function transfer(address _to, uint _value) public returns (bool success);
    function transferFrom(address _from, address _to, uint _value) returns (bool success);
}

contract Owned {
    //Public variable
    address public owner;
    //Sets contract creator as the owner
    function Owned() {
        owner = msg.sender;
    }
    //Sets onlyOwner modifier for specified functions
    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }
    //Allows for transfer of contract ownership
    function transferOwnership(address newOwner) onlyOwner {
        owner = newOwner;
    }
}
library SafeMath {
    function add(uint256 a, uint256 b) internal returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }
    function div(uint256 a, uint256 b) internal returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }
    function max64(uint64 a, uint64 b) internal constant returns (uint64) {
        return a >= b ? a : b;
    }
    function max256(uint256 a, uint256 b) internal constant returns (uint256) {
        return a >= b ? a : b;
    }
    function min64(uint64 a, uint64 b) internal constant returns (uint64) {
        return a < b ? a : b;
    }
    function min256(uint256 a, uint256 b) internal constant returns (uint256) {
        return a < b ? a : b;
    }
    function mul(uint256 a, uint256 b) internal returns (uint256) {
        uint256 c = a * b;
        assert(a == 0 || c / a == b);
        return c;
    }
    function sub(uint256 a, uint256 b) internal returns (uint256) {
        assert(b <= a);
        return a - b;
    }
}
contract Funioza is ERC20, Owned {
    //Applies SafeMath library to uint256 operations
    using SafeMath for uint256;
    //Public variables
    string public name;
    string public symbol;
    uint256 public decimals;
    uint256 public totalSupply;
    //Variables
    uint256 multiplier;
    //Creates arrays for balances
    mapping (address => uint256) balance;
    mapping (address => mapping (address => uint256)) allowed;
    //Creates modifier to prevent short address attack
    modifier onlyPayloadSize(uint size) {
        if(msg.data.length < size + 4) revert();
        _;
    }
    //Constructor
    function Funioza(string tokenName, string tokenSymbol, uint8 decimalUnits, uint256 decimalMultiplier) {
        name = tokenName;
        symbol = tokenSymbol;
        decimals = decimalUnits;
        multiplier = decimalMultiplier;
    }
    //Provides the remaining balance of approved tokens from function approve
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
      return allowed[_owner][_spender];
    }
    //Allows for a certain amount of tokens to be spent on behalf of the account owner
    function approve(address _spender, uint256 _value) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }
    //Returns the account balance
    function balanceOf(address _owner) constant returns (uint256 remainingBalance) {
        return balance[_owner];
    }
    //Allows contract owner to mint new tokens, prevents numerical overflow
    function mintToken(address target, uint256 mintedAmount) onlyOwner returns (bool success) {
        require(mintedAmount > 0);
        uint256 addTokens = mintedAmount;
        balance[target] += addTokens;
        totalSupply += addTokens;
        Transfer(0, target, addTokens);
        return true;
    }
    //Sends tokens from sender's account
    function transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) returns (bool success) {
        if ((balance[msg.sender] >= _value) && (balance[_to] + _value > balance[_to])) {
            balance[msg.sender] -= _value;
            balance[_to] += _value;
            Transfer(msg.sender, _to, _value);
            return true;
        } else {
            return false;
        }
    }
    //Transfers tokens from an approved account
    function transferFrom(address _from, address _to, uint256 _value) onlyPayloadSize(3 * 32) returns (bool success) {
        if ((balance[_from] >= _value) && (allowed[_from][msg.sender] >= _value) && (balance[_to] + _value > balance[_to])) {
            balance[_to] += _value;
            balance[_from] -= _value;
            allowed[_from][msg.sender] -= _value;
            Transfer(_from, _to, _value);
            return true;
        } else {
            return false;
        }
    }
}
contract FuniozaICO is Owned, Funioza {
    //Applies SafeMath library to uint256 operations
    using SafeMath for uint256;
    //Public Variables
    address public multiSigWallet;
    uint256 public amountRaised;
    uint256 public startTime;
    uint256 public stopTime;
    uint256 public hardcap;
    uint256 public price;
    //Variables
    bool crowdsaleClosed = true;
    string tokenName = "Funioza";
    string tokenSymbol = "FNZ";
    uint8 decimalUnits = 8;
    uint256 multiplier = 100000000;

    uint256 public _v;
    uint256 public _v2;
    uint256 public _v3;
    uint256 public _v4;

    function FuniozaICO()
        Funioza(tokenName, tokenSymbol, decimalUnits, multiplier) {
            multiSigWallet = msg.sender;
            hardcap = 180000000;
            hardcap = hardcap.mul(multiplier);
    }

    //Fallback function creates tokens and sends to investor when crowdsale is open
    function () payable {
        require(!crowdsaleClosed
            && (now < stopTime)
            && (totalSupply.add(msg.value.mul(getPrice()).mul(multiplier).div(1 ether)) <= hardcap));
        address recipient = msg.sender;
        amountRaised = amountRaised.add(msg.value.div(1 ether));
        uint256 tokens = msg.value.mul(getPrice()).mul(multiplier).div(1 ether);
        totalSupply = totalSupply.add(tokens);
        balance[recipient] = balance[recipient].add(tokens);
        require(multiSigWallet.send(msg.value));
        Transfer(0, recipient, tokens);
    }

    //Returns the current price of the token for the crowdsale
    function getPrice() returns (uint256 result) {
        return price;
    }
    //Returns time remaining on crowdsale
    function getRemainingTime() constant returns (uint256) {
        return stopTime;
    }
    //Set the sale hardcap amount
    function setHardCapValue(uint256 newHardcap) onlyOwner returns (bool success) {
        hardcap = newHardcap.mul(multiplier);
        return true;
    }
    //Sets the multisig wallet for a crowdsale
    function setMultiSigWallet(address wallet) onlyOwner returns (bool success) {
        multiSigWallet = wallet;
        return true;
    }
    //Sets the token price
    function setPrice(uint256 newPriceperEther) onlyOwner returns (uint256) {
        require(newPriceperEther > 0);
        price = newPriceperEther;
        return price;
    }
    //Allows owner to start the crowdsale from the time of execution until a specified stopTime
    function startSale(uint256 saleStart, uint256 saleStop, uint256 salePrice, address setBeneficiary) onlyOwner returns (bool success) {
        require(saleStop > now);
        //startTime = 1502881261; // 16 August 2017, 11:01 AM GMT
        //stopTime = 1504263601;  // 1 September 2017, 11:00 AM GMT

        startTime = saleStart;
        stopTime = saleStop;
        crowdsaleClosed = false;
        setPrice(salePrice);
        setMultiSigWallet(setBeneficiary);
        return true;
    }
    //Allows owner to stop the crowdsale immediately
    function stopSale() onlyOwner returns (bool success) {
        stopTime = now;
        crowdsaleClosed = true;
        return true;
    }
}