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Contract Source Code:
File 1 of 1 : FuckToken
pragma solidity ^0.4.16; contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); } contract FuckToken { /* Public variables of the FUCK token */ string public standard = 'FUCK 1.1'; string public name = 'FinallyUsableCryptoKarma'; string public symbol = 'FUCK'; uint8 public decimals = 4; uint256 public totalSupply = 708567744953; /* Creates an array with all balances */ mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; /* Generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* Notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to me */ function FuckToken() { balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens } /* Send coins */ function transfer(address _to, uint256 _value) { if (_to == 0x0) revert(); // Prevent transfer to 0x0 address. Use burn() instead if (balanceOf[msg.sender] < _value) revert(); // Check if the sender has enough if (balanceOf[_to] + _value < balanceOf[_to]) revert(); // Check for overflows balanceOf[msg.sender] -= _value; // Subtract from the sender balanceOf[_to] += _value; // Add the same to the recipient Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place } /* Allow another contract to spend some tokens on my behalf */ function approve(address _spender, uint256 _value) returns (bool success) { if ((_value != 0) && (allowance[msg.sender][_spender] != 0)) revert(); allowance[msg.sender][_spender] = _value; return true; } /* Approve and then communicate the approved contract in a single tx */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /* A contract attempts to get the coins */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { if (_to == 0x0) revert(); // Prevent transfer to 0x0 address. Use burn() instead if (balanceOf[_from] < _value) revert(); // Check if the sender has enough if (balanceOf[_to] + _value < balanceOf[_to]) revert(); // Check for overflows if (_value > allowance[_from][msg.sender]) revert(); // Check allowance balanceOf[_from] -= _value; // Subtract from the sender balanceOf[_to] += _value; // Add the same to the recipient allowance[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } /* Burn FUCKs by User */ function burn(uint256 _value) returns (bool success) { if (balanceOf[msg.sender] < _value) revert(); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /* Burn FUCKs from Users */ function burnFrom(address _from, uint256 _value) returns (bool success) { if (balanceOf[_from] < _value) revert(); // Check if the sender has enough if (_value > allowance[_from][msg.sender]) revert(); // Check allowance balanceOf[_from] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(_from, _value); return true; } }
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