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@dev see ERC: Simpler Token Standard ethereum/EIPs#179
*/
contract ERC20Basic {
uint256 public totalSupply;
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);
}
@dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
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 c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
@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]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
@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 balances[_owner];
}
@dev see ERC: Token standard ethereum/EIPs#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);
}
@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;
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];
}
/**
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
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
@dev The Ownable constructor sets the original owner of the contract to the sender
account.
*/
function Ownable() 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 transfer control of the contract to a newOwner.
@param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
@return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
// creates the token to be sold.
// override this method to have crowdsale of a specific mintable token.
function createTokenContract() internal returns (MintableToken) {
return new MintableToken();
}
// fallback function can be used to buy tokens
function () external payable {
buyTokens(msg.sender);
}
// low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase());
uint256 weiAmount = msg.value;
// calculate token amount to be created
uint256 tokens = weiAmount.mul(rate);
// update state
weiRaised = weiRaised.add(weiAmount);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
forwardFunds();
}
// send ether to the fund collection wallet
// override to create custom fund forwarding mechanisms
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
return withinPeriod && nonZeroPurchase;
}
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
return now > endTime;
}
@param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
require(_value > 0);
require(_value <= balances[msg.sender]);
// 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
@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;
Pause();
}
/**
@dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
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) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
@title Reference implementation of the ERC223 standard token.
*/
contract ERC223Token is ERC223Basic, BasicToken, FailingERC223Receiver {
using SafeMath for uint;
/**
@dev Transfer the specified amount of tokens to the specified address.
Invokes the `tokenFallback` function if the recipient is a contract.
The token transfer fails if the recipient is a contract
but does not implement the `tokenFallback` function
@param _value Amount of tokens that will be transferred.
@param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public returns (bool) {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
assembly {
// Retrieve the size of the code on target address, this needs assembly.
codeLength := extcodesize(_to)
}
@param _value Amount of tokens that will be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
bytes memory empty;
return transfer(_to, _value, empty);
}
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
function name() pure public returns (string _name) {
return TOKEN_NAME;
}
function symbol() pure public returns (string _symbol) {
return TOKEN_SYMBOL;
}
function decimals() pure public 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);
}
@dev Extension of Crowdsale with a max amount of funds raised
*/
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public cap;
function CappedCrowdsale(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
// overriding Crowdsale#validPurchase to add extra cap logic
// @return true if investors can buy at the moment
function validPurchase() internal view returns (bool) {
bool withinCap = weiRaised.add(msg.value) <= cap;
return super.validPurchase() && withinCap;
}
// overriding Crowdsale#hasEnded to add cap logic
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
bool capReached = weiRaised >= cap;
return super.hasEnded() || capReached;
}
@dev Extension of Crowdsale contract that adds a funding goal, and
the possibility of users getting a refund if goal is not met.
Uses a RefundVault as the crowdsale's vault.
*/
contract RefundableCrowdsale is FinalizableCrowdsale {
using SafeMath for uint256;
// minimum amount of funds to be raised in weis
uint256 public goal;
// refund vault used to hold funds while crowdsale is running
RefundVault public vault;
function RefundableCrowdsale(uint256 _goal) public {
require(_goal > 0);
vault = new RefundVault(wallet);
goal = _goal;
}
// We're overriding the fund forwarding from Crowdsale.
// In addition to sending the funds, we want to call
// the RefundVault deposit function
function forwardFunds() internal {
vault.deposit.value(msg.value)(msg.sender);
}
// if crowdsale is unsuccessful, investors can claim refunds here
function claimRefund() public {
require(isFinalized);
require(!goalReached());
vault.refund(msg.sender);
}
// vault finalization task, called when owner calls finalize()
function finalization() internal {
if (goalReached()) {
vault.close();
} else {
vault.enableRefunds();
}
super.finalization();
}
function goalReached() public view returns (bool) {
return weiRaised >= goal;
}
}
contract MainCrowdsale is Consts, FinalizableCrowdsale {
function hasStarted() public constant returns (bool) {
return now >= startTime;
}
function finalization() internal {
super.finalization();
if (PAUSED) {
MainToken(token).unpause();
}
if (!CONTINUE_MINTING) {
token.finishMinting();
}
token.transferOwnership(TARGET_USER);
}
function buyTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase());
uint256 weiAmount = msg.value;
// calculate token amount to be created
uint256 tokens = weiAmount.mul(rate).div(1 ether);
// update state
weiRaised = weiRaised.add(weiAmount);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
forwardFunds();
}
}
contract Checkable {
address private serviceAccount;
/**
* Flag means that contract accident already occurs.
*/
bool private triggered = false;
// Occurs when accident happened.
event Triggered(uint balance);
function Checkable() public {
serviceAccount = msg.sender;
}
/**
* @dev Replace service account with new one.
* @param _account Valid service account address.
*/
function changeServiceAccount(address _account) onlyService public {
assert(_account != 0);
serviceAccount = _account;
}
/**
* @dev Is caller (sender) service account.
*/
function isServiceAccount() view public returns (bool) {
return msg.sender == serviceAccount;
}
/**
* Public check method.
*/
function check() onlyService notTriggered payable public {
if (internalCheck()) {
Triggered(this.balance);
triggered = true;
internalAction();
}
}
/**
* @dev Do inner check.
* @return bool true of accident triggered, false otherwise.
*/
function internalCheck() internal returns (bool);
/**
* @dev Do inner action if check was success.
*/
function internalAction() internal;
modifier onlyService {
require(msg.sender == serviceAccount);
_;
}
modifier notTriggered() {
require(!triggered);
_;
}
}
contract BonusableCrowdsale is Consts, Crowdsale {
// CoinFastShares Token
pragma solidity ^0.4.20;
/**
*/
contract ERC20Basic {
uint256 public totalSupply;
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);
}
/**
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
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 c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
/**
@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]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
/**
*/
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);
}
/**
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
*/
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]);
}
/**
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
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);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
ownerof the contract to the sender*/
function Ownable() public {
owner = msg.sender;
}
/**
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
/**
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
/**
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
*/
contract Crowdsale {
using SafeMath for uint256;
// The token being sold
MintableToken public token;
// start and end timestamps where investments are allowed (both inclusive)
uint256 public startTime;
uint256 public endTime;
// address where funds are collected
address public wallet;
// how many token units a buyer gets per wei
uint256 public rate;
// amount of raised money in wei
uint256 public weiRaised;
/**
*/
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function Crowdsale(uint256 _startTime, uint256 _endTime, uint256 _rate, address _wallet) public {
require(_startTime >= now);
require(_endTime >= _startTime);
require(_rate > 0);
require(_wallet != address(0));
}
// creates the token to be sold.
// override this method to have crowdsale of a specific mintable token.
function createTokenContract() internal returns (MintableToken) {
return new MintableToken();
}
// fallback function can be used to buy tokens
function () external payable {
buyTokens(msg.sender);
}
// low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != address(0));
require(validPurchase());
}
// send ether to the fund collection wallet
// override to create custom fund forwarding mechanisms
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal view returns (bool) {
bool withinPeriod = now >= startTime && now <= endTime;
bool nonZeroPurchase = msg.value != 0;
return withinPeriod && nonZeroPurchase;
}
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
return now > endTime;
}
}
/**
*/
contract FinalizableCrowdsale is Crowdsale, Ownable {
using SafeMath for uint256;
bool public isFinalized = false;
event Finalized();
/**
*/
function finalize() onlyOwner public {
require(!isFinalized);
require(hasEnded());
}
/**
*/
function finalization() internal {
}
}
/**
*/
contract RefundVault is Ownable {
using SafeMath for uint256;
enum State { Active, Refunding, Closed }
mapping (address => uint256) public deposited;
address public wallet;
State public state;
event Closed();
event RefundsEnabled();
event Refunded(address indexed beneficiary, uint256 weiAmount);
function RefundVault(address _wallet) public {
require(_wallet != address(0));
wallet = _wallet;
state = State.Active;
}
function deposit(address investor) onlyOwner public payable {
require(state == State.Active);
deposited[investor] = deposited[investor].add(msg.value);
}
function close() onlyOwner public {
require(state == State.Active);
state = State.Closed;
Closed();
wallet.transfer(this.balance);
}
function enableRefunds() onlyOwner public {
require(state == State.Active);
state = State.Refunding;
RefundsEnabled();
}
function refund(address investor) public {
require(state == State.Refunding);
uint256 depositedValue = deposited[investor];
deposited[investor] = 0;
investor.transfer(depositedValue);
Refunded(investor, depositedValue);
}
}
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;
}
/**
*/
contract ERC223Receiver {
/**
* @dev Standard ERC223 function that will handle incoming token transfers.
*
* @param _from Token sender address.
* @param _value Amount of tokens.
* @param _data Transaction metadata.
*/
function tokenFallback(address _from, uint _value, bytes _data) public;
}
contract ERC223Basic is ERC20Basic {
function transfer(address to, uint value, bytes data) public returns (bool);
event Transfer(address indexed from, address indexed to, uint value, bytes data);
}
contract SuccessfulERC223Receiver is ERC223Receiver {
event Invoked(address from, uint value, bytes data);
}
contract FailingERC223Receiver is ERC223Receiver {
function tokenFallback(address, uint, bytes) public {
revert();
}
}
contract ERC223ReceiverWithoutTokenFallback {
}
/**
@title Burnable Token
@dev Token that can be irreversibly burned (destroyed).
*/
contract BurnableToken is StandardToken {
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 {
require(_value > 0);
require(_value <= balances[msg.sender]);
// 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
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
Burn(burner, _value);
}
}
/**
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
*/
modifier whenPaused() {
require(paused);
_;
}
/**
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
Pause();
}
/**
*/
function unpause() onlyOwner whenPaused public {
paused = false;
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) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
}
contract Consts {
uint constant TOKEN_DECIMALS = 18;
uint8 constant TOKEN_DECIMALS_UINT8 = 18;
uint constant TOKEN_DECIMAL_MULTIPLIER = 10 ** TOKEN_DECIMALS;
}
/**
@title Reference implementation of the ERC223 standard token.
*/
contract ERC223Token is ERC223Basic, BasicToken, FailingERC223Receiver {
using SafeMath for uint;
/**
@dev Transfer the specified amount of tokens to the specified address.
@param _to Receiver address.
@param _value Amount of tokens that will be transferred.
@param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public returns (bool) {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
assembly {
// Retrieve the size of the code on target address, this needs assembly.
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength > 0) {
ERC223Receiver receiver = ERC223Receiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
Transfer(msg.sender, _to, _value, _data);
return true;
}
/**
*/
function transfer(address _to, uint256 _value) public returns (bool) {
bytes memory empty;
return transfer(_to, _value, empty);
}
}
contract MainToken is Consts, FreezableMintableToken, BurnableToken, Pausable
{
}
/**
*/
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public cap;
function CappedCrowdsale(uint256 _cap) public {
require(_cap > 0);
cap = _cap;
}
// overriding Crowdsale#validPurchase to add extra cap logic
// @return true if investors can buy at the moment
function validPurchase() internal view returns (bool) {
bool withinCap = weiRaised.add(msg.value) <= cap;
return super.validPurchase() && withinCap;
}
// overriding Crowdsale#hasEnded to add cap logic
// @return true if crowdsale event has ended
function hasEnded() public view returns (bool) {
bool capReached = weiRaised >= cap;
return super.hasEnded() || capReached;
}
}
/**
*/
contract RefundableCrowdsale is FinalizableCrowdsale {
using SafeMath for uint256;
// minimum amount of funds to be raised in weis
uint256 public goal;
// refund vault used to hold funds while crowdsale is running
RefundVault public vault;
function RefundableCrowdsale(uint256 _goal) public {
require(_goal > 0);
vault = new RefundVault(wallet);
goal = _goal;
}
// We're overriding the fund forwarding from Crowdsale.
// In addition to sending the funds, we want to call
// the RefundVault deposit function
function forwardFunds() internal {
vault.deposit.value(msg.value)(msg.sender);
}
// if crowdsale is unsuccessful, investors can claim refunds here
function claimRefund() public {
require(isFinalized);
require(!goalReached());
}
// vault finalization task, called when owner calls finalize()
function finalization() internal {
if (goalReached()) {
vault.close();
} else {
vault.enableRefunds();
}
}
function goalReached() public view returns (bool) {
return weiRaised >= goal;
}
}
contract MainCrowdsale is Consts, FinalizableCrowdsale {
function hasStarted() public constant returns (bool) {
return now >= startTime;
}
}
contract Checkable {
address private serviceAccount;
/**
* Flag means that contract accident already occurs.
*/
bool private triggered = false;
}
contract BonusableCrowdsale is Consts, Crowdsale {
}
contract TemplateCrowdsale is Consts, MainCrowdsale
{
event Initialized();
bool public initialized = false;
}
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