调整状态数据写入时机, 已防止cross function reentrancy
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@ -113,6 +113,7 @@ contract NFTClaimStage2WL is ReentrancyGuard, AccessControl {
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require(_whitelist1[to] + _whitelist2[to] >= _mintedCount + nftCount, "NFTClaimer: not in whitelist or exceed limit");
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}
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uint256 _tokenAmount = mintConfig.mintPrice * nftCount;
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totalCount += nftCount;
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IERC20(mintConfig.currency).safeTransferFrom(to, mintConfig.feeToAddress, _tokenAmount);
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uint256[] memory ids = new uint256[](nftCount);
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for (uint256 i = 0; i < nftCount; ++i) {
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@ -121,7 +122,6 @@ contract NFTClaimStage2WL is ReentrancyGuard, AccessControl {
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IClaimAbleNFT(nftAddress).safeMint(to, _nftId);
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_mintedRecords[to].add(_nftId);
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}
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totalCount += nftCount;
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// add list
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emit NFTClaimed(nftAddress, to, ids);
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}
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