The rarity of sneks will not match the rarity described in the documentation
Summary
The rarity of sneks will not match the rarity described in the documentation. That may affect on
Vulnerability Details
The documentation will give us the following chances to get one of the three types of snek NFT:
Brown Snek - 70% Chance to get
Jungle Snek - 25% Chance to get
Cosmic Snek - 5% Chance to get
The rarity of snek is defined on L154 in the fulfillRandomWords function. It uses a modulo of 3 from random_words received from the VRF Coordinator. In Case the result is 0 - rarity is COMMON, 1 - rarity is RARE, and 2 rarity is LEGEND. However, the probability of each result will be the same, and it gives no difference between different types of NFT.
Impact
High
Tools Used
Manual analysis
Recommendations
Lead Judging Commences
Rarity is 1/3 instead of what the docs say
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