cancelParticipation::BriVault should be made external from public, making the contract more gas efficient.cancelParticipation::BriVault function is using public visibility specifier but is not used anywhere inside the contract.
The function should therefore be using external specifier instead of public.
Likelihood: Low
Impact: Low/Gas
This is a gas Optimization.
It is recommended to change the visibility specifier from public -> external. Hence, optimizing the gas fee.
Gas optimizations are invalid according to the CodeHawks documentation.
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