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contracts...FeedbackToken.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.0;

import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";


contract FeedbackToken is ERC1155 {
    uint256 public constant WARNINGS = 0;
    uint256 public constant IS_PROFILE_POSITIVE = 1;
    uint256 public constant IS_PROFILE_NEUTRAL = 2;
    uint256 public constant IS_PROFILE_NEGATIVE = 3;

    address public managerAddress;

    modifier onlyManager() {
        require(msg.sender == managerAddress);
        _;
    }

    // TODO: ERC1155 contains metadata uri.
    constructor() ERC1155("") {
        // _mint input = to, id, amount, data
        // TODO: refactor to batch minting
        _mint(msg.sender, WARNINGS, 1000, "");
        _mint(msg.sender, IS_PROFILE_POSITIVE, 1000, "");
        _mint(msg.sender, IS_PROFILE_NEUTRAL, 1000, "");
        _mint(msg.sender, IS_PROFILE_NEGATIVE, 1000, "");
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) public virtual override onlyManager {
        super.safeTransferFrom(from, to, id, amount);
        // require(
        //     from == _msgSender() || isApprovedForAll(from, _msgSender()),
        //     "ERC1155: caller is not token owner nor approved"
        // );
        // _safeTransferFrom(from, to, id, amount, data);
    }
}