mediumLogic errorEVM-Solidity
Rubicon: The return value of `buyAllAmount` is incorrect
- Payout
- $0
- Protocol
- Rubicon
- Disclosed
- Feb 17, 2025
- Source
- code4rena
Rubicon's `buyAllAmount` on the order-book `RubiconMarket` contract incorrectly deducts the trading fee twice when reporting the amount of pay tokens the caller spent. The loop computes `fill_amt` from the actual offer prices, but the final `calcAmountAfterFee …
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References
- https://github.com/code-423n4/2023-04-rubicon-findings/issues/714
- https://github.com/code-423n4/2023-04-rubicon-findings
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