English
USD
Popular
Other
Gastery
Gastery
ICO
Platform for HORECA Customer Service
Category: Platform, Business services, Cryptocurrency
Founded: Mar 16, 2018
Country: Russia
Sadly, you’ve exceeded the limit of adding to favorite.
The limit possible is 5
Increase the limit
Go to website MVP is ready
Registered on Neironix

Information about ICO

Platform Ethereum
Accepted BTC, ETH, LTC, BCH
Start date May 1, 2018
End date Nov 22, 2018
Token price 1 WTR =
Released tokens 175 000 000
Soft cap
Hard cap
Raised
Minimal amount 50 WTR
Token WTR - 0.1000000000$
Periods
01.05.2018 22.11.2018
100.00%
WTR (WTR)
WTR (WTR)
Token
Ethereum
Application
ERC-20
Platform: Ethereum
trade -
Gastery - token distribution
Gastery - use of funds
Smart contract - Gastery
pragma solidity ^0.4.18;

library SafeMath {

/**
  * @dev Multiplies two numbers, throws on overflow.
  */
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;
}

/**
  * @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 c;
}

/**
  * @dev Substracts 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) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Ownable {
address public owner;


event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


/**
   * @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;
}

}
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);
}
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);
}
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
assert(token.transfer(to, value));
}

function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
assert(token.transferFrom(from, to, value));
}

function safeApprove(ERC20 token, address spender, uint256 value) internal {
assert(token.approve(spender, value));
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;

mapping(address => uint256) balances;

uint256 totalSupply_;

function totalSupply() public view returns (uint256) {
return totalSupply_;
}

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 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]);

balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}

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 TokenTimelock {
using SafeERC20 for ERC20Basic;

// ERC20 basic token contract being held
ERC20Basic public token;

// beneficiary of tokens after they are released
address public beneficiary;

// timestamp when token release is enabled
uint256 public releaseTime;

function TokenTimelock(ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}

/**
   * @notice Transfers tokens held by timelock to beneficiary.
   */
function release() public {
require(now >= releaseTime);

uint256 amount = token.balanceOf(this);
require(amount > 0);

token.safeTransfer(beneficiary, amount);
}
}
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 {
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 WTRToken is  BurnableToken{
string public constant name = "WTR";
string public constant symbol = "WTR";
uint8 public constant decimals = 4;
uint256 public totalSupply;

function WTRToken() public
{
totalSupply = 175000000 * 10 ** uint256(decimals);
balances[msg.sender] = totalSupply;
}
}
contract WTRCrowdsale is Ownable{

using SafeMath for uint256;


uint256 public constant preSaleStart = 1514296800;
uint256 public constant preSaleEnd = 1519912800;

uint256 public constant SaleStart = 1525183200;
uint256 public constant SaleEnd = 1530453600;

enum Periods {NotStarted, PreSale, Sale, Finished}
Periods public period;

WTRToken public token;
address public wallet;
uint256 public constant rate = 9000;
uint256 public balance;
uint256 public tokens;

mapping(address => uint256) internal balances;

function Crowdsale(address _token, address _wallet) public{
token = WTRToken(_token);
wallet = _wallet;
period = Periods.NotStarted;
}

function nextState() onlyOwner public{
require(period == Periods.NotStarted || period == Periods.PreSale || period == Periods.Sale);

if(period == Periods.NotStarted){
period = Periods.PreSale;
}
else if(period == Periods.PreSale){
period = Periods.Sale;
}
else if(period == Periods.Sale){
period = Periods.Finished;
}
}

function buyTokens() internal
{
uint256 weiAmount = msg.value;
tokens = weiAmount.mul(rate);
bool success = token.transfer(msg.sender, tokens);
require(success);
if(period == Periods.PreSale && period == Periods.Sale)
{
wallet.transfer(msg.value);
}
}

function isValidPeriod() internal constant returns (bool){
if(period == Periods.PreSale)
{
if(now >= preSaleStart && now <= preSaleEnd) return true;
}
else if(period == Periods.Sale)
{
if(now >= SaleStart && now <= SaleEnd) return true;
}

return false;
}

function () public payable{
require(msg.sender != address(0));
require(msg.value > 0);
require(isValidPeriod());

buyTokens();
}

function burningTokens() public onlyOwner{
if(period == Periods.Finished){
token.burn(tokens);
}
}

}
Bitcoin
(-3.53%)
Ethereum
(-4.45%)
Ripple
(-6.35%)
Bitcoin Cash
(-6.84%)
EOS
(-5.60%)
Litecoin
(-3.80%)
Binance Coin
(-3.00%)
Stellar
(-9.25%)
Cardano
(-8.05%)
Tether
(0.00%)
Bitcoin SV
(-10.12%)
Tronix
(-5.27%)
Monero
(-6.67%)
Dash
(-6.06%)
IOTA
(-9.17%)
Tezos
(-6.76%)
Ethereum Classic
(-6.25%)
NEO
(-7.75%)
NEM
(-11.63%)
Karatgold coin
(0.43%)
Support Center
Tracking of cryptocurrency markets has become even more convenient with our application.
Neironix Mobile App
Download for FREE
Download App
Create account
Sign in
Contact technical support
If you have any problems with the system, please describe the problem in the form below, or send your question to: support@neironix.io