Unlisted hook

What it can do to your swap

• Can take a fee from your outputAfter the pool fills your swap, the hook can keep part of what you were about to receive.
• Runs code before your swap and can block itThe hook is called before every swap. It can revert, which makes your swap fail.
• Runs code after your swap and can block itThe hook is called after every swap. It can revert, which undoes your swap.
• Can take a cut when LPs depositThe hook can change the amounts a liquidity provider pays in.
• Can take a cut when LPs withdrawThe hook can change the amounts a liquidity provider gets back.
• Runs code after liquidity is addedCalled after each deposit into the pool.
• Runs code after liquidity is removedCalled after each withdrawal.

Read from the hook address: flag bits afterAddLiquidity, afterRemoveLiquidity, beforeSwap, afterSwap, afterSwapReturnsDelta, afterAddLiquidityReturnsDelta, afterRemoveLiquidityReturnsDelta. Flags glossary.

Last test swap

A quote for a tiny exact-in swap each way through ETH / OPEN with Uniswap's V4 Quoter, compared with the pool's mid-price minus its 0.00% LP fee. It is an eth_call: nothing is signed or spent. Probed 1 s ago, every hour.

Swaps per day

Volume over the same days: $0, $0, $0, $0, $0, $1, $0. Days end at the snapshot, in UTC.

Pools