arrange erc721 && erc1155

contracts/DODOMysteryBox/MysteryBox1.sol

@@ -0,0 +1,115 @@
+/*
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+*/
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IERC20} from "../intf/IERC20.sol";
+import {SafeERC20} from "../lib/SafeERC20.sol";
+import {SafeMath} from "../lib/SafeMath.sol";
+import {IRandomGenerator} from "../lib/RandomGenerator.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+import {Address} from "../external/utils/Address.sol";
+import {ERC721} from "../external/ERC721/ERC721.sol";
+
+contract MysteryBox1 is ERC721, InitializableOwnable {
+    using SafeMath for uint256;
+    using SafeERC20 for IERC20;
+    using Address for address;
+
+    // ============ Storage ============
+
+    mapping(address => uint256) _USER_TICKETS_;
+
+    uint256 public _TOTAL_TICKETS_;
+    uint256 public _CUR_SELLING_TICKETS_;
+    uint256 public _CUR_PRCIE_;
+    uint256 public _TICKET_UNIT_ = 1; // ticket consumed in a single lottery
+
+    
+    mapping(uint256 => bool) _TOKEN_ID_FLAG_;
+
+    address public _RANDOM_GENERATOR_;
+
+    uint256 constant _TOTAL_NFTs_ = 3000;
+
+    // ============ Event =============
+    event ChangeRandomGenerator(address randomGenerator);
+    event ChangeTicketUnit(uint256 newTicketUnit);
+    event ChangeSellingInfo(uint256 curSellingTickets, uint256 curPrice);
+    event Withdraw(address account, uint256 amount);
+
+    fallback() external payable {}
+
+    receive() external payable {}
+
+    function init(
+        address owner,
+        string memory baseUri,
+        address randomGenerator
+    ) public {
+        initOwner(owner);
+        _setURI(baseUri);
+        _RANDOM_GENERATOR_ = randomGenerator;
+    }
+
+    function buyTicket() payable external {
+        require(msg.value >= _CUR_PRCIE_, "BNB_NOT_ENOUGH");
+
+    }
+
+    function redeemPrize(address to) external {
+
+        // uint256 ticketNum = ticketInput.div(_TICKET_UNIT_);
+        // require(ticketNum >= 1, "DODOMysteryBox: TICKET_NOT_ENOUGH");
+        // for (uint256 i = 0; i < ticketNum; i++) {
+        //     _redeemSinglePrize(to);
+        // }
+        // emit RedeemPrize(to, ticketInput, ticketNum);
+    }
+
+    // =============== View ================
+
+    // =============== Internal  ================
+
+    function _redeemSinglePrize(address to) internal {
+        // uint256 range = _PROB_INTERVAL_[_PROB_INTERVAL_.length - 1];
+        // uint256 random = IRandomGenerator(_RANDOM_GENERATOR_).random(gasleft()) % range;
+        // uint256 i;
+        // for (i = 0; i < _PROB_INTERVAL_.length; i++) {
+        //     if (random <= _PROB_INTERVAL_[i]) {
+        //         break;
+        //     }
+        // }
+        // require(_PRIZE_SET_[i].length > 0, "EMPTY_PRIZE_SET");
+        // uint256 prize = _PRIZE_SET_[i][random % _PRIZE_SET_[i].length];
+        // _mint(to, prize, 1, "");
+    }
+
+    // ================= Owner ===================
+
+    function updateRandomGenerator(address newRandomGenerator) external onlyOwner {
+        require(newRandomGenerator != address(0));
+        _RANDOM_GENERATOR_ = newRandomGenerator;
+        emit ChangeRandomGenerator(newRandomGenerator);
+    }
+
+    function updateSellingInfo(uint256 newSellingTickets, uint256 newPrice) external onlyOwner {
+        _CUR_SELLING_TICKETS_ = newSellingTickets;
+        _CUR_PRCIE_ = newPrice;
+        emit ChangeSellingInfo(newSellingTickets, newPrice);
+    }
+
+    function updateTicketUnit(uint256 newTicketUnit) external onlyOwner {
+        require(newTicketUnit != 0);
+        _TICKET_UNIT_ = newTicketUnit;
+        emit ChangeTicketUnit(newTicketUnit);
+    }
+
+    function withdraw() external onlyOwner {
+        uint256 amount = address(this).balance;
+        msg.sender.transfer(amount);
+        emit Withdraw(msg.sender, amount);
+    }
+}