mediumLogic errorEVM-Solidity
Rubicon: The ````_matcho()```` is not implemented properly
- Payout
- $0
- Protocol
- Rubicon
- Disclosed
- Feb 17, 2025
- Source
- code4rena
Rubicon's order-book matching engine mishandles fee-inclusive amounts when a taker order exceeds the best maker offer's size. In _matcho(), the contract calls buy() with min(m_pay_amt, t_buy_amt) rather than adding back the trading fee, so the actual take amou …
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References
- https://github.com/code-423n4/2023-04-rubicon-findings/issues/1243
- https://github.com/code-423n4/2023-04-rubicon-findings
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