mediumLogic errorEVM-Solidity
Ammplify: X/Y mix-up in ViewWalker.down will underreport X fees and block taker closes
- Payout
- $0
- Protocol
- Ammplify
- Disclosed
- Sep 22, 2025
- Source
- sherlock
Ammplify's ViewWalker.down, which propagates taker X/Y fee remainders down the AMM position tree, contains a one-line assignment bug that stores the right-branch token0 (X) fee remainder into rightChildUnpaidY instead of rightChildUnpaidX. Because reads later …
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