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MainToken.burn() emits Transfer events when the burned amount is zero #61

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code423n4 opened this issue Nov 6, 2021 · 0 comments
Open

MainToken.burn() emits Transfer events when the burned amount is zero #61

code423n4 opened this issue Nov 6, 2021 · 0 comments
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0 (Non-critical) Code style, clarity, syntax, versioning, off-chain monitoring (events etc), exclude gas optimisation bug Something isn't working sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")

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@code423n4
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pants

Vulnerability details

The function MainToken.burn() emits Transfer events when the burned amount is zero.

Impact

There is no reason to emit these Transfer events because nothing has changed in the system. Such events are only going to confuse users.

Tool Used

Manual code review.

Recommended Mitigation Steps

Emit these events only when the burned amount is not zero.
@code423n4 code423n4 added 1 (Low Risk) Assets are not at risk. State handling, function incorrect as to spec, issues with comments bug Something isn't working labels Nov 6, 2021
code423n4 added a commit that referenced this issue Nov 6, 2021
@code423n4
pants issue #61
60f2667
@chickenpie347 chickenpie347 added the sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity") label Jan 3, 2022
@0xean 0xean added 0 (Non-critical) Code style, clarity, syntax, versioning, off-chain monitoring (events etc), exclude gas optimisation and removed 1 (Low Risk) Assets are not at risk. State handling, function incorrect as to spec, issues with comments labels Jan 8, 2022
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0 (Non-critical) Code style, clarity, syntax, versioning, off-chain monitoring (events etc), exclude gas optimisation bug Something isn't working sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")
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@chickenpie347 @0xean @code423n4