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Fix: Potential Overflow in _totalSupply #259

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Fix: Potential Overflow in _totalSupply #259

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4 changes: 2 additions & 2 deletions contracts/token/erc721/abstract/ImmutableERC721Base.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -241,7 +241,7 @@ abstract contract ImmutableERC721Base is OperatorAllowlistEnforced, MintingAcces
}

// slither-disable-next-line costly-loop
_totalSupply = _totalSupply + mintRequest.tokenIds.length;
_totalSupply += mintRequest.tokenIds.length;
for (uint256 j = 0; j < mintRequest.tokenIds.length; j++) {
_mint(mintRequest.to, mintRequest.tokenIds[j]);
}
Expand All @@ -260,7 +260,7 @@ abstract contract ImmutableERC721Base is OperatorAllowlistEnforced, MintingAcces
_safeMint(mintRequest.to, mintRequest.tokenIds[j]);
}
// slither-disable-next-line costly-loop
_totalSupply = _totalSupply + mintRequest.tokenIds.length;
_totalSupply += mintRequest.tokenIds.length;
}

/**
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