ERC223Receiver.sol

pragma solidity ^0.4.11;

 /**
 * @title Contract that will work with ERC223 tokens.
 */
 
contract ERC223Receiver { 
    
    struct TKN {
        address sender;
        uint value;
        bytes data;
    }
    
    mapping (address => TKN[]) transactionReceived;
    
    function tokenFallback(address _from, uint _value, bytes _data) public {
        
        TKN memory tkn;
        tkn.sender = _from;
        tkn.value = _value;
        tkn.data = _data;
        
        transactionReceived[_from].push(tkn);
    //   uint32 u = uint32(_data[3]) + (uint32(_data[2]) << 8) + (uint32(_data[1]) << 16) + (uint32(_data[0]) << 24);
    //   tkn.sig = bytes4(u);
      
      /* tkn variable is analogue of msg variable of Ether transaction
      *  tkn.sender is person who initiated this token transaction   (analogue of msg.sender)
      *  tkn.value the number of tokens that were sent   (analogue of msg.value)
      *  tkn.data is data of token transaction   (analogue of msg.data)
      *  tkn.sig is 4 bytes signature of function
      *  if data of token transaction is a function execution
      */
    }
}