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pragma solidity ^0.4.16;
contract Token{
uint256 public totalSupply;
function balanceOf(address _owner) public constant returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns
(bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public constant returns
(uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256
_value);
event Burn(address indexed from, uint256 value);
event Inflat(address indexed from, uint256 value);
}
contract HNContract is Token {
uint8 constant public decimals = 18;
string constant public name = "HNContract";
string constant public symbol = "NN";
uint public totalSupply = 1000000000 * 10 ** uint256(decimals);
address contract_creator;
function HNContract() public {
balances[msg.sender] = totalSupply;
contract_creator=msg.sender;
}
function inflat(uint256 _value) public returns(bool success){
require(msg.sender == contract_creator);
require(_value > 0);
totalSupply += _value;
balances[contract_creator] +=_value;
Inflat(contract_creator, _value);
return true;
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]);
require(_to != 0x0);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns
(bool success) {
require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success)
{
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function burn(uint256 _value) public {
require(_value > 0);
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] -= _value;
totalSupply -=_value;
Burn(burner, _value);
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
} |