pragma solidity ^0.8.1;

import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Pausable.sol";
import "../libs/Permission.sol";
import "./IdacDao.sol";
/**
 * This is an DACDAO contract implementation of NFToken with metadata extension
 */
contract dacDao is 
    Ownable,
    Permission,
    ERC721Enumerable,
    ERC721Burnable,
    ERC721Pausable,
    IdacDao
    
{
mapping(uint256 => string) tokenChainUrlMap;
using Strings for uint256;

mapping(uint256 => uint8) tokenPeriod;

function _baseURI() internal view virtual override returns (string memory) {
        return _baseTokenURI;
    }

function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
        if(bytes(tokenChainUrlMap[tokenId]).length>0){
            return tokenChainUrlMap[tokenId];
        }else{
            string memory baseURI = _baseURI();
            return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString(),"/",uint256(tokenPeriod[tokenId]).toString())) : "";
        }
}

function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override(ERC721, ERC721Enumerable, ERC721Pausable) {
        super._beforeTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(AccessControlEnumerable, ERC721, ERC721Enumerable)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }

/**
     * @dev Pauses all token transfers.
     *
     * See {ERC721Pausable} and {Pausable-_pause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function pause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have pauser role to pause");
        _pause();
    }

    /**
     * @dev Unpauses all token transfers.
     *
     * See {ERC721Pausable} and {Pausable-_unpause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function unpause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have pauser role to unpause");
        _unpause();
    }

    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
    //bytes32 public constant MANAGER_ROLE = keccak256("MANAGER_ROLE");
    string private _baseTokenURI;


  /**
   * @dev Contract constructor. Sets metadata extension `name` and `symbol`.
   */ 
  constructor(
        ) ERC721("DacDaoToken","DacDao") public 
  {


    _baseTokenURI = "http://nftinfo.nftunit.site/dacdao/";
    _setupRole(MINTER_ROLE, _msgSender());
    _setupRole(PAUSER_ROLE, _msgSender());

  }
  
   function setTokenURI(string calldata baseTokenURI) public onlyRole(MANAGER_ROLE){
        _baseTokenURI = baseTokenURI;
   }
 
   function setTokenChainUrl(uint256 tokenId,string calldata baseTokenURI)public onlyRole(MANAGER_ROLE){
       tokenChainUrlMap[tokenId] = baseTokenURI;
   }

   function batchSetTokenChainUrl(uint256[] memory tokenIds,string[] calldata baseTokenURIs)public onlyRole(MANAGER_ROLE){

       for(uint256 i=0;i<tokenIds.length;i++){
           tokenChainUrlMap[tokenIds[i]] = baseTokenURIs[i];
       }
       
   }

  /**
     * @dev Creates a new token for `to`. Its token ID will be automatically
     * assigned (and available on the emitted {IERC721-Transfer} event), and the token
     * URI autogenerated based on the base URI passed at construction.
     *
     * See {ERC721-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the `MINTER_ROLE`.
     */
    function mint(address to, uint256 tokenId) public override {
        require(hasRole(MINTER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have minter role to mint");
        _innerMint(to, tokenId,1);
    } 

    function mintNFT(address to, uint256 tokenId,uint8 period) public  override{
        require(hasRole(MINTER_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have minter role to mint");
        _innerMint(to, tokenId,period);
    }

    function _innerMint(address to, uint256 tokenId,uint8 period) internal{
        _safeMint(to, tokenId);
        tokenPeriod[tokenId] = period;
    }
    
     function getNFTPeriod(uint256 tokenId)  public  override view returns(uint8){
         return tokenPeriod[tokenId];
     }

     function existsTokenId(uint256 tokenId)   view public override returns (bool) {
         return _exists(tokenId);
     }
    
    function setupMintRole(address _addr) public{
        require(hasRole(DEFAULT_ADMIN_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have minter role to mint");
        _setupRole(MINTER_ROLE, _addr);
    }

    function revokeMintRole(address _addr) public{
        require(hasRole(DEFAULT_ADMIN_ROLE, _msgSender()), "ERC721PresetMinterPauserAutoId: must have minter role to mint");
        _revokeRole(MINTER_ROLE, _addr);
    }

}
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