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mysterybox1

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This commit is contained in:
owen05
2021-04-14 19:08:11 +08:00
parent 388b294b58
commit be4c049e0a
7 changed files with 73 additions and 51 deletions
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92
contracts/DODOMysteryBox/MysteryBox1.sol
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@@ -21,74 +21,100 @@ contract MysteryBox1 is ERC721, InitializableOwnable {
// ============ 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_;
uint256[] public _TOKEN_IDS_;
address public _RANDOM_GENERATOR_;
uint256 constant _TOTAL_NFTs_ = 3000;
bool public _REDEEM_ALLOWED_ = true;
// ============ Event =============
event ChangeRandomGenerator(address randomGenerator);
event ChangeTicketUnit(uint256 newTicketUnit);
event ChangeSellingInfo(uint256 curSellingTickets, uint256 curPrice);
event Withdraw(address account, uint256 amount);
event BatchMint(uint256 mintAmount);
event BuyTicket(address account, uint256 value, uint256 tickets);
event RedeemPrize(address account, uint256 tokenId);
event DisableRedeem();
event EnableRedeem();
fallback() external payable {}
receive() external payable {}
function init(
string memory name,
string memory symbol,
string memory baseUrI,
address owner,
string memory baseUri,
address randomGenerator
) public {
_name = name;
_symbol = symbol;
_baseURI = baseUrI;
initOwner(owner);
_setURI(baseUri);
_RANDOM_GENERATOR_ = randomGenerator;
}
function buyTicket() payable external {
require(msg.value >= _CUR_PRCIE_, "BNB_NOT_ENOUGH");
uint256 buyAmount = msg.value;
require(buyAmount >= _CUR_PRCIE_, "BNB_NOT_ENOUGH");
uint256 tickets = buyAmount.div(_CUR_PRCIE_);
require(tickets <= _CUR_SELLING_TICKETS_, "TICKETS_NOT_ENOUGH");
_USER_TICKETS_[msg.sender] = _USER_TICKETS_[msg.sender].add(tickets);
_TOTAL_TICKETS_ = _TOTAL_TICKETS_.add(tickets);
_CUR_SELLING_TICKETS_ = _CUR_SELLING_TICKETS_.sub(tickets);
uint256 leftOver = msg.value - tickets.mul(_CUR_PRCIE_);
if(leftOver > 0)
msg.sender.transfer(leftOver);
emit BuyTicket(msg.sender, buyAmount - leftOver, tickets);
}
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);
function redeemPrize() external {
require(_REDEEM_ALLOWED_, "REDEEM_CLOSED");
require(!address(msg.sender).isContract(), "ONLY_ALLOW_EOA");
uint256 ticketNum = _USER_TICKETS_[msg.sender];
require(ticketNum >= 1, "TICKET_NOT_ENOUGH");
for (uint256 i = 0; i < ticketNum; i++) {
_redeemSinglePrize(msg.sender);
}
}
// =============== 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, "");
uint256 range = _TOKEN_IDS_.length;
uint256 random = IRandomGenerator(_RANDOM_GENERATOR_).random(gasleft()) % range;
uint256 prizeId = _TOKEN_IDS_[random];
if(random != range - 1) {
_TOKEN_IDS_[random] = _TOKEN_IDS_[range - 1];
}
_TOKEN_IDS_.pop();
safeTransferFrom(address(this), to, prizeId, "");
emit RedeemPrize(to, prizeId);
}
// ================= Owner ===================
function disableRedeemPrize() external onlyOwner {
_REDEEM_ALLOWED_ = false;
emit DisableRedeem();
}
function enableRedeemPrize() external onlyOwner {
_REDEEM_ALLOWED_ = true;
emit EnableRedeem();
}
function updateRandomGenerator(address newRandomGenerator) external onlyOwner {
require(newRandomGenerator != address(0));
_RANDOM_GENERATOR_ = newRandomGenerator;
@@ -112,4 +138,12 @@ contract MysteryBox1 is ERC721, InitializableOwnable {
msg.sender.transfer(amount);
emit Withdraw(msg.sender, amount);
}
function batchMint(uint256[] calldata tokenIds) external onlyOwner {
for(uint256 i = 0; i<tokenIds.length; i++) {
_mint(address(this), tokenIds[i]);
_TOKEN_IDS_.push(tokenIds[i]);
}
emit BatchMint(tokenIds.length);
}
}