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| pragma solidity ^0.4.16; | |
| contract owned { | |
| address public owner; | |
| function owned() { | |
| owner = msg.sender; | |
| } | |
| modifier onlyOwner { | |
| require(msg.sender == owner); | |
| _; | |
| } | |
| function transferOwnership(address newOwner) onlyOwner { | |
| owner = newOwner; | |
| } | |
| } | |
| interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } | |
| contract AzurionToken is owned { | |
| mapping (address => uint256) public balanceOf; | |
| mapping (address => bool) public frozenAccount; | |
| mapping (address => mapping (address => uint256)) public allowance; | |
| uint256 public totalSupply; | |
| string public constant name = "Azurion"; | |
| string public constant symbol = "AZU"; | |
| uint8 public constant decimals = 18; | |
| event Transfer(address indexed from, address indexed to, uint256 value); | |
| event Burn(address indexed from, uint256 value); | |
| event FrozenFunds(address target, bool frozen); | |
| function AzurionToken(uint256 initialSupply, address centralMinter) { | |
| if(centralMinter != 0 ) owner = centralMinter; | |
| balanceOf[msg.sender] = initialSupply; | |
| totalSupply = initialSupply; | |
| } | |
| function _transfer(address _from, address _to, uint _value) internal { | |
| require (_to != 0x0); | |
| require (balanceOf[_from] > _value); | |
| require (balanceOf[_to] + _value > balanceOf[_to]); | |
| require(!frozenAccount[_from]); | |
| require(!frozenAccount[_to]); | |
| balanceOf[_from] -= _value; | |
| balanceOf[_to] += _value; | |
| Transfer(_from, _to, _value); | |
| } | |
| function transfer(address _to, uint256 _value) public { | |
| _transfer(msg.sender, _to, _value); | |
| } | |
| 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 mintToken(address target, uint256 mintedAmount) onlyOwner public { | |
| balanceOf[target] += mintedAmount; | |
| totalSupply += mintedAmount; | |
| Transfer(0, owner, mintedAmount); | |
| Transfer(owner, target, mintedAmount); | |
| } | |
| function freezeAccount(address target, bool freeze) onlyOwner public { | |
| frozenAccount[target] = freeze; | |
| FrozenFunds(target, freeze); | |
| } | |
| 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 burn(uint256 _value) onlyOwner public returns (bool success) { | |
| require(balanceOf[msg.sender] >= _value); | |
| balanceOf[msg.sender] -= _value; | |
| totalSupply -= _value; | |
| Burn(msg.sender, _value); | |
| return true; | |
| } | |
| function burnFrom(address _from, uint256 _value) onlyOwner public returns (bool success) { | |
| require(balanceOf[_from] >= _value); | |
| require(_value <= allowance[_from][msg.sender]); | |
| balanceOf[_from] -= _value; | |
| allowance[_from][msg.sender] -= _value; | |
| totalSupply -= _value; | |
| Burn(_from, _value); | |
| return true; | |
| } | |
| function () { | |
| revert(); | |
| } | |
| } |