contract CutiePluginBase is PluginInterface, PausableOperators
{
    function isPluginInterface() public pure returns (bool)
    {
        return true;
    }

    // Reference to contract tracking NFT ownership
    CutieCoreInterface public coreContract;
    address public pluginsContract;

    // @dev Throws if called by any account other than the owner.
    modifier onlyCore() {
        require(msg.sender == address(coreContract));
        _;
    }

    modifier onlyPlugins() {
        require(msg.sender == pluginsContract);
        _;
    }

    /// @dev Constructor creates a reference to the NFT ownership contract
    ///  and verifies the owner cut is in the valid range.
    /// @param _coreAddress - address of a deployed contract implementing
    ///  the Nonfungible Interface.
    function setup(address _coreAddress, address _pluginsContract) public onlyOwner {
        CutieCoreInterface candidateContract = CutieCoreInterface(_coreAddress);
        require(candidateContract.isCutieCore());
        coreContract = candidateContract;

        pluginsContract = _pluginsContract;
    }

    /// @dev Returns true if the claimant owns the token.
    /// @param _claimant - Address claiming to own the token.
    /// @param _cutieId - ID of token whose ownership to verify.
    function _isOwner(address _claimant, uint40 _cutieId) internal view returns (bool) {
        return (coreContract.ownerOf(_cutieId) == _claimant);
    }

    /// @dev Escrows the NFT, assigning ownership to this contract.
    /// Throws if the escrow fails.
    /// @param _owner - Current owner address of token to escrow.
    /// @param _cutieId - ID of token whose approval to verify.
    function _escrow(address _owner, uint40 _cutieId) internal {
        // it will throw if transfer fails
        coreContract.transferFrom(_owner, this, _cutieId);
    }

    /// @dev Transfers an NFT owned by this contract to another address.
    /// Returns true if the transfer succeeds.
    /// @param _receiver - Address to transfer NFT to.
    /// @param _cutieId - ID of token to transfer.
    function _transfer(address _receiver, uint40 _cutieId) internal {
        // it will throw if transfer fails
        coreContract.transfer(_receiver, _cutieId);
    }

    function withdraw() external
    {
        require(
            isOwner(msg.sender) ||
            msg.sender == address(coreContract)
        );
        _withdraw();
    }

    function _withdraw() internal
    {
        if (address(this).balance > 0)
        {
            address(coreContract).transfer(address(this).balance);
        }
    }

    function onRemove() public onlyPlugins
    {
        _withdraw();
    }

    function run(uint40, uint256, address) public payable onlyCore
    {
        revert();
    }

    function runSigned(uint40, uint256, address) external payable onlyCore
    {
        revert();
    }
}
/// @author https://BlockChainArchitect.iocontract Bank is CutiePluginBase
function _transfer(address _receiver, uint40 _cutieId) internal {
    // it will throw if transfer fails
    coreContract.transfer(_receiver, _cutieId);
}

/// @dev Transfers an NFT owned by this contract to another address.
/// Returns true if the transfer succeeds.
/// @param _receiver - Address to transfer NFT to.
/// @param _cutieId - ID of token to transfer.