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pragma solidity ^0.4.21;
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) {
return a / b;
}
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 Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract StandardToken {
using SafeMath for uint256;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping(address => uint256) internal balances_;
mapping(address => mapping(address => uint256)) internal allowed_;
uint256 internal totalSupply_;
string public name;
string public symbol;
uint8 public decimals;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances_[_owner];
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed_[_owner][_spender];
}
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;
}
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;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed_[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
}
contract EthTeamContract is StandardToken, Ownable {
event Buy(address indexed token, address indexed from, uint256 value, uint256 weiValue);
event Sell(address indexed token, address indexed from, uint256 value, uint256 weiValue);
event BeginGame(address indexed team1, address indexed team2, uint64 gameTime);
event EndGame(address indexed team1, address indexed team2, uint8 gameResult);
event ChangeStatus(address indexed team, uint8 status);
uint256 public price;
uint8 public status;
uint64 public gameTime;
uint64 public finishTime;
address public feeOwner;
address public gameOpponent;
function EthTeamContract(
string _teamName, string _teamSymbol, address _gameOpponent, uint64 _gameTime, uint64 _finishTime, address _feeOwner
) public {
name = _teamName;
symbol = _teamSymbol;
decimals = 3;
totalSupply_ = 0;
price = 1 szabo;
gameOpponent = _gameOpponent;
gameTime = _gameTime;
finishTime = _finishTime;
feeOwner = _feeOwner;
owner = msg.sender;
}
function transfer(address _to, uint256 _value) public returns (bool) {
if (_to != address(this)) {
return super.transfer(_to, _value);
}
require(_value <= balances_[msg.sender] && status == 0);
if (gameTime > 1514764800) {
require(gameTime - 300 > block.timestamp);
}
balances_[msg.sender] = balances_[msg.sender].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
uint256 weiAmount = price.mul(_value);
msg.sender.transfer(weiAmount);
emit Transfer(msg.sender, _to, _value);
emit Sell(_to, msg.sender, _value, weiAmount);
return true;
}
function() payable public {
require(status == 0 && price > 0);
if (gameTime > 1514764800) {
require(gameTime - 300 > block.timestamp);
}
uint256 amount = msg.value.div(price);
balances_[msg.sender] = balances_[msg.sender].add(amount);
totalSupply_ = totalSupply_.add(amount);
emit Transfer(address(this), msg.sender, amount);
emit Buy(address(this), msg.sender, amount, msg.value);
}
function changeStatus(uint8 _status) onlyOwner public {
require(status != _status);
status = _status;
emit ChangeStatus(address(this), _status);
}
function finish() onlyOwner public {
require(block.timestamp >= finishTime);
feeOwner.transfer(address(this).balance);
}
function beginGame(address _gameOpponent, uint64 _gameTime) onlyOwner public {
require(_gameOpponent != address(0) && _gameOpponent != address(this) && gameOpponent == address(0));
require(_gameTime == 0 || (_gameTime > 1514764800));
gameOpponent = _gameOpponent;
gameTime = _gameTime;
status = 0;
emit BeginGame(address(this), _gameOpponent, _gameTime);
}
function endGame(address _gameOpponent, uint8 _gameResult) onlyOwner public {
require(gameOpponent != address(0) && gameOpponent == _gameOpponent);
uint256 amount = address(this).balance;
uint256 opAmount = gameOpponent.balance;
require(_gameResult == 1 || (_gameResult == 2 && amount >= opAmount) || _gameResult == 3);
EthTeamContract op = EthTeamContract(gameOpponent);
if (_gameResult == 1) {
if (amount > 0 && totalSupply_ > 0) {
uint256 lostAmount = amount;
if (op.totalSupply() > 0) {
uint256 feeAmount = lostAmount.div(20);
lostAmount = lostAmount.sub(feeAmount);
feeOwner.transfer(feeAmount);
op.transferFundAndEndGame.value(lostAmount)();
} else {
feeOwner.transfer(lostAmount);
op.transferFundAndEndGame();
}
} else {
op.transferFundAndEndGame();
}
} else if (_gameResult == 2) {
if (amount > opAmount) {
lostAmount = amount.sub(opAmount).div(2);
if (op.totalSupply() > 0) {
feeAmount = lostAmount.div(20);
lostAmount = lostAmount.sub(feeAmount);
feeOwner.transfer(feeAmount);
op.transferFundAndEndGame.value(lostAmount)();
} else {
feeOwner.transfer(lostAmount);
op.transferFundAndEndGame();
}
} else if (amount == opAmount) {
op.transferFundAndEndGame();
} else {
revert();
}
} else if (_gameResult == 3) {
op.transferFundAndEndGame();
} else {
revert();
}
endGameInternal();
if (totalSupply_ > 0) {
price = address(this).balance.div(totalSupply_);
}
emit EndGame(address(this), _gameOpponent, _gameResult);
}
function endGameInternal() private {
gameOpponent = address(0);
gameTime = 0;
status = 0;
}
function transferFundAndEndGame() payable public {
require(gameOpponent != address(0) && gameOpponent == msg.sender);
if (msg.value > 0 && totalSupply_ > 0) {
price = address(this).balance.div(totalSupply_);
}
endGameInternal();
}
} |