Submission Details
Impact:
Likelihood:
ETH vs WETH Split Logic (Ambiguity and UX Risk)
Description: The logic in buySnow() automatically selects WETH payment if msg.value is not exact.
Impact: Users may unintentionally fail the transaction if they send an incorrect ETH amount and haven't approved WETH, leading to frustration.
Proof of Concept:
buySnow(5); // sends ETH, but slightly miscalculates -> falls to WETH transfer -> fails
Recommended Mitigation: Use separate functions:
buySnowWithETH(uint256 amount) payable { ... }
buySnowWithWETH(uint256 amount) { ... }
Rewards breakdown
nSLOC
215This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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