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pragma solidity ^0.4.2;
contract owned {
address public owner;
function owned() public{
owner = msg.sender;
}
modifier onlyOwner {
if (msg.sender != owner) revert();
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }
contract token {
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);
function token(
uint256 initialSupply,
string tokenName,
uint8 decimalUnits,
string tokenSymbol
) public {
balanceOf[msg.sender] = initialSupply;
totalSupply = initialSupply;
name = tokenName;
symbol = tokenSymbol;
decimals = decimalUnits;
}
function transfer(address _to, uint256 _value) public {
if (balanceOf[msg.sender] < _value) revert();
if (balanceOf[_to] + _value < balanceOf[_to]) revert();
balanceOf[msg.sender] -= _value;
balanceOf[_to] += _value;
Transfer(msg.sender, _to, _value);
}
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balanceOf[_from] < _value) revert();
if (balanceOf[_to] + _value < balanceOf[_to]) revert();
if (_value > allowance[_from][msg.sender]) revert();
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
allowance[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
function () public {
revert();
}
}
contract Goutex is owned, token {
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
function Goutex(
uint256 initialSupply,
string tokenName,
uint8 decimalUnits,
string tokenSymbol
) public token (initialSupply, tokenName, decimalUnits, tokenSymbol) {}
function transfer(address _to, uint256 _value) public {
if (balanceOf[msg.sender] < _value) revert();
if (balanceOf[_to] + _value < balanceOf[_to]) revert();
if (frozenAccount[msg.sender]) revert();
balanceOf[msg.sender] -= _value;
balanceOf[_to] += _value;
Transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (frozenAccount[_from]) revert();
if (balanceOf[_from] < _value) revert();
if (balanceOf[_to] + _value < balanceOf[_to]) revert();
if (_value > allowance[_from][msg.sender]) revert();
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
allowance[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
function mintToken(address target, uint256 mintedAmount) public onlyOwner {
balanceOf[target] += mintedAmount;
Transfer(0, owner, mintedAmount);
Transfer(owner, target, mintedAmount);
}
function freezeAccount(address target, bool freeze) public onlyOwner {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
} |