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feat(cheatcodes): extend usable range in assertApproxEqRel
#10758
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zerosnacks
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Jun 11, 2025
zerosnacks
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Jun 11, 2025
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Makes sense! Thanks
@zerosnacks let me add an overflow test quickly, I noticed it's missing |
zerosnacks
approved these changes
Jun 11, 2025
cc @klkvr would you mind double checking this proposed change |
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Motivation
For large values, the current implementation of the cheatcode
assertApproxEqRel
overflows during calculation of the relative delta. However, using a larger type for this calculation allows to prevent overflows and use the full range ofuint256
.Solution
The calculation was modified to use
U512
for the calculation and only check that the final value for the delta fits inside auint256
(a requirement of the error type).PR Checklist