H
H
HashLand
OFFICIAL
Search…
⌃K

Purchase Contract

Level 1 S-NFT can be purchased at our official website, authorized third party sellers, or the Market.
function buy(uint256[] calldata _hnIds) external nonReentrant {
address[] memory _sellers = new address[](_hnIds.length);
uint256[] memory prices = new uint256[](_hnIds.length);
bool[] memory isInPools = new bool[](_hnIds.length);
for (uint256 i = 0; i < _hnIds.length; i++) {
require(hnIds.contains(_hnIds[i]), "This HN does not exist");
prices[i] = hnPrice[_hnIds[i]];
uint256 feeAmount = (prices[i] * feeRatio) / 1e4;
uint256 sellAmount = prices[i] - feeAmount;
_sellers[i] = hnSeller[_hnIds[i]];
isInPools[i] = hnIsInPool[_hnIds[i]];
hnIds.remove(_hnIds[i]);
sellerHnIds[_sellers[i]].remove(_hnIds[i]);
busd.transferFrom(msg.sender, _sellers[i], sellAmount);
busd.transferFrom(msg.sender, receivingAddress, feeAmount);
if (isInPools[i]) {
hnPool.hnMarketWithdraw(msg.sender, _sellers[i], _hnIds[i]);
} else {
hn.safeTransferFrom(address(this), msg.sender, _hnIds[i]);
}
sellerTotalSellAmount[_sellers[i]] += sellAmount;
sellerTotalSellCount[_sellers[i]]++;
buyerTotalBuyAmount[msg.sender] += sellAmount;
buyerTotalBuyCount[msg.sender]++;
totalSellAmount += sellAmount;
totalFeeAmount += feeAmount;
totalSellCount++;
}
buyers.add(msg.sender);
emit Buy(msg.sender, _sellers, _hnIds, prices, isInPools);
}