Contract Source Code:
File 1 of 1 : Genesis
pragma solidity ^0.4.19;
contract BaseToken {
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
Transfer(_from, _to, _value);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
}
contract AirdropToken is BaseToken {
uint256 public airAmount;
uint256 public airBegintime;
uint256 public airEndtime;
address public airSender;
uint32 public airLimitCount;
mapping (address => uint32) public airCountOf;
event Airdrop(address indexed from, uint32 indexed count, uint256 tokenValue);
function airdrop() public payable {
require(now >= airBegintime && now <= airEndtime);
require(msg.value == 0);
if (airLimitCount > 0 && airCountOf[msg.sender] >= airLimitCount) {
revert();
}
_transfer(airSender, msg.sender, airAmount);
airCountOf[msg.sender] += 1;
Airdrop(msg.sender, airCountOf[msg.sender], airAmount);
}
}
contract ICOToken is BaseToken {
// 1 ether = icoRatio token
uint256 public icoRatio;
uint256 public icoBegintime;
uint256 public icoEndtime;
address public icoSender;
address public icoHolder;
event ICO(address indexed from, uint256 indexed value, uint256 tokenValue);
event Withdraw(address indexed from, address indexed holder, uint256 value);
function ico() public payable {
require(now >= icoBegintime && now <= icoEndtime);
uint256 tokenValue = (msg.value * icoRatio * 10 ** uint256(decimals)) / (1 ether / 1 wei);
if (tokenValue == 0 || balanceOf[icoSender] < tokenValue) {
revert();
}
_transfer(icoSender, msg.sender, tokenValue);
ICO(msg.sender, msg.value, tokenValue);
}
function withdraw() public {
uint256 balance = this.balance;
icoHolder.transfer(balance);
Withdraw(msg.sender, icoHolder, balance);
}
}
contract Genesis is BaseToken, AirdropToken, ICOToken {
function Genesis() public {
totalSupply = 38000000000000000000000000000;
name = 'Genesis';
symbol = 'GENT';
decimals = 18;
balanceOf[0xCB52c65c53ec7E6F029504c895049A8fB80391Cd] = totalSupply;
Transfer(address(0), 0xCB52c65c53ec7E6F029504c895049A8fB80391Cd, totalSupply);
airAmount = 1000000000000000000;
airBegintime = 1542005999;
airEndtime = 1548806399;
airSender = 0xCB52c65c53ec7E6F029504c895049A8fB80391Cd;
airLimitCount = 1;
icoRatio = 20000000;
icoBegintime = 1542005999;
icoEndtime = 1548806399;
icoSender = 0x5F820B4D5d1fEEb6b45e48d49D0E39cDEF8Bbaa4;
icoHolder = 0x5F820B4D5d1fEEb6b45e48d49D0E39cDEF8Bbaa4;
}
function() public payable {
if (msg.value == 0) {
airdrop();
} else {
ico();
}
}
}