GrandpaHook

EthereumRegistered

Applies a 2% buy tax (taken in WETH input, sent to a fixed engine address) and a 4% sell tax (2% of token input burned to address(0xdead), remainder collected in WETH to engine) on swaps. Restricted to a single pre-configured pool matching stored currency pair, fee, and tick spacing.

0x078ea0afed27838e642472e74c25468f8519c0c0 First pool 16 Dec 2025View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

10mo

Code size

3,462 B

What it can do

Runs code on every swap

Its code executes inside each trade in pools that use it.

Safety report

Automated checks, not an audit

✓Not upgradeableNo proxy pattern found: the code is fixed.

✓No owner foundNo owner() function: nobody has an admin switch (as far as the standard check goes).

✓Listed in Uniswap’s hook registryRegistered with Uniswap Labs (a listing, not a security review).

✓Source code publishedThe code on the block explorer matches what's deployed (contract: GrandpaHook).

iRestricted swapsSwap access: other. Not everyone can trade every pool.

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

WETH / GRANDPA 10mo 1.00% 0x4b32…41a8 Tx ↗