feat: uint256 single value overflow checker
#456
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onlyhyde
approved these changes
Jan 3, 2025
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Description
The
IsOverflow()function checks if a uint256 number has overflowed by examining the 255th bit (the most significant bit). In uint256, the valid range is from 0 to 2^255-1, so any number with the 255th bit set is considered an overflow.