contract CacheToken is StandardToken {

  function () {
    //if ether is sent to this address, send it back.
    throw;
  }

  /* Public variables of the token */

  /*
   NOTE:
   The following variables are OPTIONAL vanities. One does not have to include them.
   They allow one to customise the token contract & in no way influences the core functionality.
   Some wallets/interfaces might not even bother to look at this information.
   */
  string public name;                   //fancy name: eg Simon Bucks
  uint8 public decimals;                //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
  string public symbol;                 //An identifier: eg SBX
  string public version = 'H1.0';       //human 0.1 standard. Just an arbitrary versioning scheme.

  //
  // CHANGE THESE VALUES FOR YOUR TOKEN
  //

  //make sure this function name matches the contract name above. So if you're token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token

  function CacheToken () {
    name = "Cache";                                   // Set the name for display purposes
    decimals = 18;                            // Amount of decimals for display purposes
    symbol = "CACHE";                               // Set the symbol for display purposes
    totalSupply = 1000000000 * 10 ** uint256(decimals);                        // Update total supply (100000 for example)
    balances[msg.sender] = totalSupply;               // Give the creator all initial tokens (100000 for example)
  }

  /* Approves and then calls the receiving contract */
  function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);

    //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
    //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
    //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
    if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
    return true;
  }
}
//name this contract whatever you'd like
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);

    //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
    //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
    //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
    if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
    return true;
  }
/* Approves and then calls the receiving contract */