UniswapV4Hook
EthereumRegisteredA burn-and-buyback hook that charges a 2.2% fee on buys (ETH routed to a reserve for periodic buybacks) and burns 2.2% of tokens on sells. Liquidity additions are restricted to one initial deposit. Contains a hidden allowlist mechanism in afterSwap that can selectively block sells from non-allowlisted addresses when activated by any caller via superposition() (allowlist membership itself is controlled by the deployer).
ALooks safeRegistered, verified, immutable
Pools
2
Dynamic-fee pools
0
Last new pool
3mo
Code size
8,668 B
What it can do
Runs code on every swap
Its code executes inside each trade in pools that use it.
Can take tokens from swaps
It can take or add tokens during a swap. Fees, burns and custom curves work this way, and so do scams.
Gates who can add liquidity
It checks every deposit before it goes in.
Runs at pool creation
It runs when a pool is created, often to lock in that pool’s settings.