contract CWC_ReceiverInterface {
/* 
 * @param _from  Token sender address.
 * @param _value Amount of tokens.
 * @param _data  Transaction metadata.
 */
    function CWCfallback(address _from, uint _value, bytes _data);
    event Transfer(address from, address to, uint value, bytes data);
}
function CWCfallback(address _from, uint _value, bytes _data);

/* 
 * @param _from  Token sender address.
 * @param _value Amount of tokens.
 * @param _data  Transaction metadata.
 */