pragma solidity ^0.4.19;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant 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 constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant 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 constant 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 Pausable is ERC20Basic {
uint public constant startPreICO = 1516525200;
uint public constant endPreICO = startPreICO + 30 days;
uint public constant startICOStage1 = 1520931600;
uint public constant endICOStage1 = startICOStage1 + 15 days;
uint public constant startICOStage2 = endICOStage1;
uint public constant endICOStage2 = startICOStage2 + 15 days;
uint public constant startICOStage3 = endICOStage2;
uint public constant endICOStage3 = startICOStage3 + 15 days;
uint public constant startICOStage4 = endICOStage3;
uint public constant endICOStage4 = startICOStage4 + 15 days;
/**
* @dev modifier to allow actions only when the contract IS not paused
*/
modifier whenNotPaused() {
require(now < startPreICO || now > endICOStage4);
_;
}
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is Pausable {
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 whenNotPaused 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;
}
/**
* @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 constant returns (uint256 balance) {
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 whenNotPaused 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;
}
/**
* @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;
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 constant returns (uint256 remaining) {
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 success) {
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 success) {
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;
}
}
/**
* @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;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
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) onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
}
contract Gelios is Ownable, StandardToken {
using SafeMath for uint256;
string public constant name = "Gelios Token";
string public constant symbol = "GLS";
uint256 public constant decimals = 18;
uint256 public constant INITIAL_SUPPLY = 16808824 ether;
address public tokenWallet;
address public multiSig;
uint256 public tokenRate = 1000; // tokens per 1 ether
function Gelios(address _tokenWallet, address _multiSig) {
tokenWallet = _tokenWallet;
multiSig = _multiSig;
totalSupply = INITIAL_SUPPLY;
balances[_tokenWallet] = INITIAL_SUPPLY;
}
function () payable public {
require(now >= startPreICO);
buyTokens(msg.value);
}
function buyTokensBonus(address bonusAddress) public payable {
require(now >= startPreICO && now < endICOStage4);
if (bonusAddress != 0x0 && msg.sender != bonusAddress) {
uint bonus = msg.value.mul(tokenRate).div(100).mul(5);
if(buyTokens(msg.value)) {
sendTokensRef(bonusAddress, bonus);
}
}
}
uint preIcoCap = 1300000 ether;
uint icoStage1Cap = 600000 ether;
uint icoStage2Cap = 862500 ether;
uint icoStage3Cap = 810000 ether;
uint icoStage4Cap = 5000000 ether;
struct Stats {
uint preICO;
uint preICOETHRaised;
uint ICOStage1;
uint ICOStage1ETHRaised;
uint ICOStage2;
uint ICOStage2ETHRaised;
uint ICOStage3;
uint ICOStage3ETHRaised;
uint ICOStage4;
uint ICOStage4ETHRaised;
uint RefBonusese;
}
event Burn(address indexed burner, uint256 value);
Stats public stats;
uint public burnAmount = preIcoCap;
bool[] public burnStage = [true, true, true, true];
function buyTokens(uint amount) private returns (bool){
// PreICO - 30% 1516525200 01/21/2018 @ 9:00am (UTC) 30 days 1300000
// Ico 1 - 20% 1520931600 03/13/2018 @ 9:00am (UTC) cap or 15 days 600000
// ico 2 - 15% cap or 15 days 862500
// ico 3 - 8% cap or 15 days 810000
// ico 4 - 0% cap or 15 days 5000000
uint tokens = amount.mul(tokenRate);
if(now >= startPreICO && now < endPreICO && stats.preICO < preIcoCap) {
tokens = tokens.add(tokens.div(100).mul(30));
tokens = safeSend(tokens, preIcoCap.sub(stats.preICO));
stats.preICO = stats.preICO.add(tokens);
stats.preICOETHRaised = stats.preICOETHRaised.add(amount);
burnAmount = burnAmount.sub(tokens);
return true;
} else if (now >= startICOStage1 && now < endICOStage1 && stats.ICOStage1 < icoStage1Cap) {
if (burnAmount > 0 && burnStage[0]) {
burnTokens();
burnStage[0] = false;
burnAmount = icoStage1Cap;
}
tokens = tokens.add(tokens.div(100).mul(20));
tokens = safeSend(tokens, icoStage1Cap.sub(stats.ICOStage1));
stats.ICOStage1 = stats.ICOStage1.add(tokens);
stats.ICOStage1ETHRaised = stats.ICOStage1ETHRaised.add(amount);
burnAmount = burnAmount.sub(tokens);
return true;
} else if ( now < endICOStage2 && stats.ICOStage2 < icoStage2Cap ) {
if (burnAmount > 0 && burnStage[1]) {
burnTokens();
burnStage[1] = false;
burnAmount = icoStage2Cap;
}
tokens = tokens.add(tokens.div(100).mul(15));
tokens = safeSend(tokens, icoStage2Cap.sub(stats.ICOStage2));
stats.ICOStage2 = stats.ICOStage2.add(tokens);
stats.ICOStage2ETHRaised = stats.ICOStage2ETHRaised.add(amount);
burnAmount = burnAmount.sub(tokens);
return true;
} else if ( now < endICOStage3 && stats.ICOStage3 < icoStage3Cap ) {
if (burnAmount > 0 && burnStage[2]) {
burnTokens();
burnStage[2] = false;
burnAmount = icoStage3Cap;
}
tokens = tokens.add(tokens.div(100).mul(8));
tokens = safeSend(tokens, icoStage3Cap.sub(stats.ICOStage3));
stats.ICOStage3 = stats.ICOStage3.add(tokens);
stats.ICOStage3ETHRaised = stats.ICOStage3ETHRaised.add(amount);
burnAmount = burnAmount.sub(tokens);
return true;
} else if ( now < endICOStage4 && stats.ICOStage4 < icoStage4Cap ) {
if (burnAmount > 0 && burnStage[3]) {
burnTokens();
burnStage[3] = false;
burnAmount = icoStage4Cap;
}
tokens = safeSend(tokens, icoStage4Cap.sub(stats.ICOStage4));
stats.ICOStage4 = stats.ICOStage4.add(tokens);
stats.ICOStage4ETHRaised = stats.ICOStage4ETHRaised.add(amount);
burnAmount = burnAmount.sub(tokens);
return true;
} else if (now > endICOStage4 && burnAmount > 0) {
burnTokens();
msg.sender.transfer(msg.value);
burnAmount = 0;
} else {
revert();
}
}
/**
* Burn tokens which are not sold on previous stage
**/
function burnTokens() private {
balances[tokenWallet] = balances[tokenWallet].sub(burnAmount);
totalSupply = totalSupply.sub(burnAmount);
Burn(tokenWallet, burnAmount);
}
/**
* Check last token on sale
**/
function safeSend(uint tokens, uint stageLimmit) private returns(uint) {
if (stageLimmit < tokens) {
uint toReturn = tokenRate.mul(tokens.sub(stageLimmit));
sendTokens(msg.sender, stageLimmit);
msg.sender.transfer(toReturn);
return stageLimmit;
} else {
sendTokens(msg.sender, tokens);
return tokens;
}
}
/**
* Low-level function for tokens transfer
**/
function sendTokens(address _to, uint tokens) private {
balances[tokenWallet] = balances[tokenWallet].sub(tokens);
balances[_to] += tokens;
Transfer(tokenWallet, _to, tokens);
multiSig.transfer(msg.value);
}
/**
* Burn tokens which are not sold on previous stage
**/
function sendTokensRef(address _to, uint tokens) private {
balances[tokenWallet] = balances[tokenWallet].sub(tokens);
balances[_to] += tokens;
Transfer(tokenWallet, _to, tokens);
stats.RefBonusese += tokens;
}
/**
* Update token rate manually
**/
function updateTokenRate(uint newRate) onlyOwner public {
tokenRate = newRate;
}
}
{
"compilationTarget": {
"Gelios.sol": "Gelios"
},
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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4","type":"uint256"},{"name":"ICOStage4ETHRaised","type":"uint256"},{"name":"RefBonusese","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"endICOStage2","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"endICOStage4","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_tokenWallet","type":"address"},{"name":"_multiSig","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]