The getPrice function in the provided code snippet contains an order of operations issue that can lead to precision loss. The problem arises from the sequence of division and multiplication operations used in the calculation, which can result in inaccurate values due to truncation.
The bucket variable is calculated by dividing _timeElapsed by bucketSize, which performs an integer division operation in Solidity. If there is a remainder from the division, it is truncated, potentially leading to precision loss.
Subsequently, the priceChange variable is calculated by multiplying bucket with slope. However, since bucket may have undergone truncation, the multiplication can introduce further precision loss.
Impact
Inaccurate price calculations in the getPrice function.
Integrate decimal arithmetic into the codebase, the getPrice function will produce accurate results, maintaining the necessary precision for reliable price calculations.
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Precision Loss in
getPriceFunctionSummary
The
getPricefunction in the provided code snippet contains an order of operations issue that can lead to precision loss. The problem arises from the sequence of division and multiplication operations used in the calculation, which can result in inaccurate values due to truncation.Vulnerability Detail
The
bucketvariable is calculated by dividing_timeElapsedbybucketSize, which performs an integer division operation in Solidity. If there is a remainder from the division, it is truncated, potentially leading to precision loss. Subsequently, thepriceChangevariable is calculated by multiplyingbucketwithslope. However, since bucket may have undergone truncation, the multiplication can introduce further precision loss.Impact
Inaccurate price calculations in the
getPricefunction.Code Snippet
Code Snippet
Tool used
Manual Review
Recommendation
Integrate decimal arithmetic into the codebase, the
getPricefunction will produce accurate results, maintaining the necessary precision for reliable price calculations.