// SPDX-License-Identifier: Proprietary

pragma solidity ^0.7.2;

library LibPause {
    bytes32 constant PAUSE_STORAGE_POSITION = keccak256("gallery.token.nft.LibPause");

    struct PauseStorage {
        bool paused;
    }

    function pauseStorage() internal pure returns (PauseStorage storage ps) {
        bytes32 position = PAUSE_STORAGE_POSITION;
        assembly {
            ps.slot := position
        }
    }

    function paused() external view returns (bool isPaused_) {
        isPaused_ = pauseStorage().paused;
    }

    // FIXME: implement setters
}