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Cache storage variables in the stack can save gas #117

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code423n4 opened this issue Dec 15, 2021 · 0 comments
Open

Cache storage variables in the stack can save gas #117

code423n4 opened this issue Dec 15, 2021 · 0 comments
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bug Something isn't working G (Gas Optimization) sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")

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WatchPug

Vulnerability details

For the storage variables that will be accessed multiple times, cache them in the stack can save ~100 gas from each extra read (SLOAD after Berlin).

For example:
@code423n4 code423n4 added bug Something isn't working G (Gas Optimization) labels Dec 15, 2021
code423n4 added a commit that referenced this issue Dec 15, 2021
@code423n4
WatchPug issue #117
7735a1b
@ritik99 ritik99 added the sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity") label Dec 23, 2021
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bug Something isn't working G (Gas Optimization) sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")
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