// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import {Checkpoints} from "./Checkpoints.sol";

library VotesStorage {
    bytes32 internal constant STORAGE_SLOT = keccak256("diamond.facets.governance.votes.storage");

    struct Layout {
        mapping(address => address) _delegation;
        mapping(address => Checkpoints.Trace224) _delegateCheckpoints;
        Checkpoints.Trace224 _totalCheckpoints;
    }

    function layout() internal pure returns (Layout storage l) {
        bytes32 position = STORAGE_SLOT;
        assembly {
            l.slot := position
        }
    }
}