pragma solidity ^0.4.8; import "tokens/eip20/EIP20.sol"; import "./Local.sol"; contract PLCRVoting is EIP20, Local { function isExpired(uint _terminationDate) constant public returns (bool expired) { return (block.timestamp > _terminationDate); } function attrUUID(address _user, uint _pollID) public pure returns (bytes32 UUID) { return keccak256(_user, _pollID); } }