/*
* This file was generated by MyWish Platform (https://mywish.io/)
* The complete code could be found at https://github.com/MyWishPlatform/
* Copyright (C) 2018 MyWish
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
pragma solidity ^0.4.23;


/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}


/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);

function transferFrom(address from, address to, uint256 value)
public returns (bool);

function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}



/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {

/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}

c = a * b;
assert(c / a == b);
return c;
}

/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure 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 a / b;
}

/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}

/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}


/**
* @title Crowdsale
* @dev Crowdsale is a base contract for managing a token crowdsale,
* allowing investors to purchase tokens with ether. This contract implements
* such functionality in its most fundamental form and can be extended to provide additional
* functionality and/or custom behavior.
* The external interface represents the basic interface for purchasing tokens, and conform
* the base architecture for crowdsales. They are *not* intended to be modified / overriden.
* The internal interface conforms the extensible and modifiable surface of crowdsales. Override
* the methods to add functionality. Consider using 'super' where appropiate to concatenate
* behavior.
*/
contract Crowdsale {
using SafeMath for uint256;

// The token being sold
ERC20 public token;

// Address where funds are collected
address public wallet;

// How many token units a buyer gets per wei.
// The rate is the conversion between wei and the smallest and indivisible token unit.
// So, if you are using a rate of 1 with a DetailedERC20 token with 3 decimals called TOK
// 1 wei will give you 1 unit, or 0.001 TOK.
uint256 public rate;

// Amount of wei raised
uint256 public weiRaised;

/**
* Event for token purchase logging
* @param purchaser who paid for the tokens
* @param beneficiary who got the tokens
* @param value weis paid for purchase
* @param amount amount of tokens purchased
*/
event TokenPurchase(
address indexed purchaser,
address indexed beneficiary,
uint256 value,
uint256 amount
);

/**
* @param _rate Number of token units a buyer gets per wei
* @param _wallet Address where collected funds will be forwarded to
* @param _token Address of the token being sold
*/
constructor(uint256 _rate, address _wallet, ERC20 _token) public {
require(_rate > 0);
require(_wallet != address(0));
require(_token != address(0));

rate = _rate;
wallet = _wallet;
token = _token;
}

// -----------------------------------------
// Crowdsale external interface
// -----------------------------------------

/**
* @dev fallback function ***DO NOT OVERRIDE***
*/
function () external payable {
buyTokens(msg.sender);
}

/**
* @dev low level token purchase ***DO NOT OVERRIDE***
* @param _beneficiary Address performing the token purchase
*/
function buyTokens(address _beneficiary) public payable {

uint256 weiAmount = msg.value;
_preValidatePurchase(_beneficiary, weiAmount);

// calculate token amount to be created
uint256 tokens = _getTokenAmount(weiAmount);

// update state
weiRaised = weiRaised.add(weiAmount);

_processPurchase(_beneficiary, tokens);
emit TokenPurchase(
msg.sender,
_beneficiary,
weiAmount,
tokens
);

_updatePurchasingState(_beneficiary, weiAmount);

_forwardFunds();
_postValidatePurchase(_beneficiary, weiAmount);
}

// -----------------------------------------
// Internal interface (extensible)
// -----------------------------------------

/**
* @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations.
* @param _beneficiary Address performing the token purchase
* @param _weiAmount Value in wei involved in the purchase
*/
function _preValidatePurchase(
address _beneficiary,
uint256 _weiAmount
)
internal
{
require(_beneficiary != address(0));
require(_weiAmount != 0);
}

/**
* @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met.
* @param _beneficiary Address performing the token purchase
* @param _weiAmount Value in wei involved in the purchase
*/
function _postValidatePurchase(
address _beneficiary,
uint256 _weiAmount
)
internal
{
// optional override
}

/**
* @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens.
* @param _beneficiary Address performing the token purchase
* @param _tokenAmount Number of tokens to be emitted
*/
function _deliverTokens(
address _beneficiary,
uint256 _tokenAmount
)
internal
{
token.transfer(_beneficiary, _tokenAmount);
}

/**
* @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens.
* @param _beneficiary Address receiving the tokens
* @param _tokenAmount Number of tokens to be purchased
*/
function _processPurchase(
address _beneficiary,
uint256 _tokenAmount
)
internal
{
_deliverTokens(_beneficiary, _tokenAmount);
}

/**
* @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.)
* @param _beneficiary Address receiving the tokens
* @param _weiAmount Value in wei involved in the purchase
*/
function _updatePurchasingState(
address _beneficiary,
uint256 _weiAmount
)
internal
{
// optional override
}

/**
* @dev Override to extend the way in which ether is converted to tokens.
* @param _weiAmount Value in wei to be converted into tokens
* @return Number of tokens that can be purchased with the specified _weiAmount
*/
function _getTokenAmount(uint256 _weiAmount)
internal view returns (uint256)
{
return _weiAmount.mul(rate);
}

/**
* @dev Determines how ETH is stored/forwarded on purchases.
*/
function _forwardFunds() internal {
wallet.transfer(msg.value);
}
}



/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;


event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);


/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}

/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}

/**
* @dev Allows the current owner to relinquish control of the contract.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}

/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}

/**
* @dev Transfers control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}


/**
* @title TimedCrowdsale
* @dev Crowdsale accepting contributions only within a time frame.
*/
contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;

uint256 public openingTime;
uint256 public closingTime;

/**
* @dev Reverts if not in crowdsale time range.
*/
modifier onlyWhileOpen {
// solium-disable-next-line security/no-block-members
require(block.timestamp >= openingTime && block.timestamp <= closingTime);
_;
}

/**
* @dev Constructor, takes crowdsale opening and closing times.
* @param _openingTime Crowdsale opening time
* @param _closingTime Crowdsale closing time
*/
constructor(uint256 _openingTime, uint256 _closingTime) public {
// solium-disable-next-line security/no-block-members
require(_openingTime >= block.timestamp);
require(_closingTime >= _openingTime);

openingTime = _openingTime;
closingTime = _closingTime;
}

/**
* @dev Checks whether the period in which the crowdsale is open has already elapsed.
* @return Whether crowdsale period has elapsed
*/
function hasClosed() public view returns (bool) {
// solium-disable-next-line security/no-block-members
return block.timestamp > closingTime;
}

/**
* @dev Extend parent behavior requiring to be within contributing period
* @param _beneficiary Token purchaser
* @param _weiAmount Amount of wei contributed
*/
function _preValidatePurchase(
address _beneficiary,
uint256 _weiAmount
)
internal
onlyWhileOpen
{
super._preValidatePurchase(_beneficiary, _weiAmount);
}

}



/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;

mapping(address => uint256) balances;

uint256 totalSupply_;

/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}

/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);

balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}

/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}

}


/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {

mapping (address => mapping (address => uint256)) internal allowed;


/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);

balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}

/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}

/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}

/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(
address _spender,
uint _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}

/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
returns (bool)
{
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}

}


/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/openzeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();

bool public mintingFinished = false;


modifier canMint() {
require(!mintingFinished);
_;
}

modifier hasMintPermission() {
require(msg.sender == owner);
_;
}

/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(
address _to,
uint256 _amount
)
hasMintPermission
canMint
public
returns (bool)
{
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
}

/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}


contract FreezableToken is StandardToken {
// freezing chains
mapping (bytes32 => uint64) internal chains;
// freezing amounts for each chain
mapping (bytes32 => uint) internal freezings;
// total freezing balance per address
mapping (address => uint) internal freezingBalance;

event Freezed(address indexed to, uint64 release, uint amount);
event Released(address indexed owner, uint amount);

/**
* @dev Gets the balance of the specified address include freezing tokens.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner) + freezingBalance[_owner];
}

/**
* @dev Gets the balance of the specified address without freezing tokens.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function actualBalanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}

function freezingBalanceOf(address _owner) public view returns (uint256 balance) {
return freezingBalance[_owner];
}

/**
* @dev gets freezing count
* @param _addr Address of freeze tokens owner.
*/
function freezingCount(address _addr) public view returns (uint count) {
uint64 release = chains[toKey(_addr, 0)];
while (release != 0) {
count++;
release = chains[toKey(_addr, release)];
}
}

/**
* @dev gets freezing end date and freezing balance for the freezing portion specified by index.
* @param _addr Address of freeze tokens owner.
* @param _index Freezing portion index. It ordered by release date descending.
*/
function getFreezing(address _addr, uint _index) public view returns (uint64 _release, uint _balance) {
for (uint i = 0; i < _index + 1; i++) {
_release = chains[toKey(_addr, _release)];
if (_release == 0) {
return;
}
}
_balance = freezings[toKey(_addr, _release)];
}

/**
* @dev freeze your tokens to the specified address.
* Be careful, gas usage is not deterministic,
* and depends on how many freezes _to address already has.
* @param _to Address to which token will be freeze.
* @param _amount Amount of token to freeze.
* @param _until Release date, must be in future.
*/
function freezeTo(address _to, uint _amount, uint64 _until) public {
require(_to != address(0));
require(_amount <= balances[msg.sender]);

balances[msg.sender] = balances[msg.sender].sub(_amount);

bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);

freeze(_to, _until);
emit Transfer(msg.sender, _to, _amount);
emit Freezed(_to, _until, _amount);
}

/**
* @dev release first available freezing tokens.
*/
function releaseOnce() public {
bytes32 headKey = toKey(msg.sender, 0);
uint64 head = chains[headKey];
require(head != 0);
require(uint64(block.timestamp) > head);
bytes32 currentKey = toKey(msg.sender, head);

uint64 next = chains[currentKey];

uint amount = freezings[currentKey];
delete freezings[currentKey];

balances[msg.sender] = balances[msg.sender].add(amount);
freezingBalance[msg.sender] = freezingBalance[msg.sender].sub(amount);

if (next == 0) {
delete chains[headKey];
} else {
chains[headKey] = next;
delete chains[currentKey];
}
emit Released(msg.sender, amount);
}

/**
* @dev release all available for release freezing tokens. Gas usage is not deterministic!
* @return how many tokens was released
*/
function releaseAll() public returns (uint tokens) {
uint release;
uint balance;
(release, balance) = getFreezing(msg.sender, 0);
while (release != 0 && block.timestamp > release) {
releaseOnce();
tokens += balance;
(release, balance) = getFreezing(msg.sender, 0);
}
}

function toKey(address _addr, uint _release) internal pure returns (bytes32 result) {
// WISH masc to increase entropy
result = 0x5749534800000000000000000000000000000000000000000000000000000000;
assembly {
result := or(result, mul(_addr, 0x10000000000000000))
result := or(result, _release)
}
}

function freeze(address _to, uint64 _until) internal {
require(_until > block.timestamp);
bytes32 key = toKey(_to, _until);
bytes32 parentKey = toKey(_to, uint64(0));
uint64 next = chains[parentKey];

if (next == 0) {
chains[parentKey] = _until;
return;
}

bytes32 nextKey = toKey(_to, next);
uint parent;

while (next != 0 && _until > next) {
parent = next;
parentKey = nextKey;

next = chains[nextKey];
nextKey = toKey(_to, next);
}

if (_until == next) {
return;
}

if (next != 0) {
chains[key] = next;
}

chains[parentKey] = _until;
}
}


/**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/
contract BurnableToken is BasicToken {

event Burn(address indexed burner, uint256 value);

/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}

function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure

balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}



/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();

bool public paused = false;


/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}

/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}

/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}

/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}


contract FreezableMintableToken is FreezableToken, MintableToken {
/**
* @dev Mint the specified amount of token to the specified address and freeze it until the specified date.
* Be careful, gas usage is not deterministic,
* and depends on how many freezes _to address already has.
* @param _to Address to which token will be freeze.
* @param _amount Amount of token to mint and freeze.
* @param _until Release date, must be in future.
* @return A boolean that indicates if the operation was successful.
*/
function mintAndFreeze(address _to, uint _amount, uint64 _until) public onlyOwner canMint returns (bool) {
totalSupply_ = totalSupply_.add(_amount);

bytes32 currentKey = toKey(_to, _until);
freezings[currentKey] = freezings[currentKey].add(_amount);
freezingBalance[_to] = freezingBalance[_to].add(_amount);

freeze(_to, _until);
emit Mint(_to, _amount);
emit Freezed(_to, _until, _amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
}



contract Consts {
uint public constant TOKEN_DECIMALS = 18;
uint8 public constant TOKEN_DECIMALS_UINT8 = 18;
uint public constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;

string public constant TOKEN_NAME = "Roswell Minds";
string public constant TOKEN_SYMBOL = "ROS";
bool public constant PAUSED = true;
address public constant TARGET_USER = 0xc51d23282B2a9209c6447dcD123214cF7E2D0C7b;

uint public constant START_TIME = 1543190400;

bool public constant CONTINUE_MINTING = true;
}




/**
* @title FinalizableCrowdsale
* @dev Extension of Crowdsale where an owner can do extra work
* after finishing.
*/
contract FinalizableCrowdsale is TimedCrowdsale, Ownable {
using SafeMath for uint256;

bool public isFinalized = false;

event Finalized();

/**
* @dev Must be called after crowdsale ends, to do some extra finalization
* work. Calls the contract's finalization function.
*/
function finalize() onlyOwner public {
require(!isFinalized);
require(hasClosed());

finalization();
emit Finalized();

isFinalized = true;
}

/**
* @dev Can be overridden to add finalization logic. The overriding function
* should call super.finalization() to ensure the chain of finalization is
* executed entirely.
*/
function finalization() internal {
}

}


/**
* @title CappedCrowdsale
* @dev Crowdsale with a limit for total contributions.
*/
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;

uint256 public cap;

/**
* @dev Constructor, takes maximum amount of wei accepted in the crowdsale.
* @param _cap Max amount of wei to be contributed
*/
constructor(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}

/**
* @dev Checks whether the cap has been reached.
* @return Whether the cap was reached
*/
function capReached() public view returns (bool) {
return weiRaised >= cap;
}

/**
* @dev Extend parent behavior requiring purchase to respect the funding cap.
* @param _beneficiary Token purchaser
* @param _weiAmount Amount of wei contributed
*/
function _preValidatePurchase(
address _beneficiary,
uint256 _weiAmount
)
internal
{
super._preValidatePurchase(_beneficiary, _weiAmount);
require(weiRaised.add(_weiAmount) <= cap);
}

}


/**
* @title MintedCrowdsale
* @dev Extension of Crowdsale contract whose tokens are minted in each purchase.
* Token ownership should be transferred to MintedCrowdsale for minting.
*/
contract MintedCrowdsale is Crowdsale {

/**
* @dev Overrides delivery by minting tokens upon purchase.
* @param _beneficiary Token purchaser
* @param _tokenAmount Number of tokens to be minted
*/
function _deliverTokens(
address _beneficiary,
uint256 _tokenAmount
)
internal
{
require(MintableToken(token).mint(_beneficiary, _tokenAmount));
}
}


contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable

{


function name() public pure returns (string _name) {
return TOKEN_NAME;
}

function symbol() public pure returns (string _symbol) {
return TOKEN_SYMBOL;
}

function decimals() public pure returns (uint8 _decimals) {
return TOKEN_DECIMALS_UINT8;
}

function transferFrom(address _from, address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transferFrom(_from, _to, _value);
}

function transfer(address _to, uint256 _value) public returns (bool _success) {
require(!paused);
return super.transfer(_to, _value);
}


}




contract MainCrowdsale is Consts, FinalizableCrowdsale, MintedCrowdsale, CappedCrowdsale {
function hasStarted() public view returns (bool) {
return now >= openingTime;
}

function startTime() public view returns (uint256) {
return openingTime;
}

function endTime() public view returns (uint256) {
return closingTime;
}

function hasClosed() public view returns (bool) {
return super.hasClosed() || capReached();
}

function hasEnded() public view returns (bool) {
return hasClosed();
}

function finalization() internal {
super.finalization();

if (PAUSED) {
MainToken(token).unpause();
}

if (!CONTINUE_MINTING) {
require(MintableToken(token).finishMinting());
}

Ownable(token).transferOwnership(TARGET_USER);
}

/**
* @dev Override to extend the way in which ether is converted to tokens.
* @param _weiAmount Value in wei to be converted into tokens
* @return Number of tokens that can be purchased with the specified _weiAmount
*/
function _getTokenAmount(uint256 _weiAmount)
internal view returns (uint256)
{
return _weiAmount.mul(rate).div(1 ether);
}
}



contract TemplateCrowdsale is Consts, MainCrowdsale




{
event Initialized();
event TimesChanged(uint startTime, uint endTime, uint oldStartTime, uint oldEndTime);
bool public initialized = false;

constructor(MintableToken _token) public
Crowdsale(1000 * TOKEN_DECIMAL_MULTIPLIER, 0xc51d23282B2a9209c6447dcD123214cF7E2D0C7b, _token)
TimedCrowdsale(START_TIME > now ? START_TIME : now, 1545782400)
CappedCrowdsale(50000000000000000000000)

{
}

function init() public onlyOwner {
require(!initialized);
initialized = true;

if (PAUSED) {
MainToken(token).pause();
}


address[1] memory addresses = [address(0xc51d23282b2a9209c6447dcd123214cf7e2d0c7b)];
uint[1] memory amounts = [uint(1000000000000000000000000)];
uint64[1] memory freezes = [uint64(0)];

for (uint i = 0; i < addresses.length; i++) {
if (freezes[i] == 0) {
MainToken(token).mint(addresses[i], amounts[i]);
} else {
MainToken(token).mintAndFreeze(addresses[i], amounts[i], freezes[i]);
}
}


transferOwnership(TARGET_USER);

emit Initialized();
}




function setStartTime(uint _startTime) public onlyOwner {
// only if CS was not started
require(now < openingTime);
// only move time to future
require(_startTime > openingTime);
require(_startTime < closingTime);
emit TimesChanged(_startTime, closingTime, openingTime, closingTime);
openingTime = _startTime;
}



function setEndTime(uint _endTime) public onlyOwner {
// only if CS was not ended
require(now < closingTime);
// only if new end time in future
require(now < _endTime);
require(_endTime > openingTime);
emit TimesChanged(openingTime, _endTime, openingTime, closingTime);
closingTime = _endTime;
}



function setTimes(uint _startTime, uint _endTime) public onlyOwner {
require(_endTime > _startTime);
uint oldStartTime = openingTime;
uint oldEndTime = closingTime;
bool changed = false;
if (_startTime != oldStartTime) {
require(_startTime > now);
// only if CS was not started
require(now < oldStartTime);
// only move time to future
require(_startTime > oldStartTime);

openingTime = _startTime;
changed = true;
}
if (_endTime != oldEndTime) {
// only if CS was not ended
require(now < oldEndTime);
// end time in future
require(now < _endTime);

closingTime = _endTime;
changed = true;
}

if (changed) {
emit TimesChanged(openingTime, _endTime, openingTime, closingTime);
}
}





}