[Bug] Incorrectly High Price Impact Displayed for Pools with Hook-Based Fees

[huybuidac]

📱 Interface Affected

Which application are you experiencing issues with?

• [x] Web (app.uniswap.org)
• [ ] Wallet Extension (wallet.uniswap.org)
• [ ] Wallet Mobile App
  • [ ] iOS
  • [ ] Android
  • [ ] Both

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🧩 App Version

• Version (if known):
• [ ] Production build
• [ ] Development build

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💻 System / Environment Info

Please provide details about your environment:

• Browser (name + version): chrome
• OS / Platform (e.g. iOS 17, Windows 11, Android 14): macos
• Device (e.g. iPhone 14 Pro, Pixel 7, MacBook Pro 2023): macbook m4
• Wallet used (e.g. Uniswap Wallet, MetaMask, Rainbow): metamask
• Network (e.g. Ethereum Mainnet, Arbitrum, Base, etc.): mainnet

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🔁 Steps to Reproduce

1. Navigate to the swap interface for a pool that utilizes a hook for its fees.
2. Example Pool: https://app.uniswap.org/explore/tokens/ethereum/0xd0cC2b0eFb168bFe1f94a948D8df70FA10257196?inputCurrency=NATIVE
3. Enter any amount for the input token (e.g., 0.01 ETH).

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✅ Expected Behavior

The price impact should dynamically reflect the actual slippage based on the input amount relative to the pool's liquidity. For a small trade, this value should be low.

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❌ Actual Behavior

The UI displays a static, high price impact (10% in the provided example) regardless of the input trade size. This suggests the fee from the hook might be being misinterpreted as price impact.

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📸 Screenshots or Screen Recording

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🧾 Additional Context

Any extra details? (e.g. logs, error messages, recent updates, beta flags enabled, etc.)

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