Integrations · Uniswap v4 hooks
friar’s Uniswap v4 hook
friar — HEY ties this Uniswap v4 hook to it: confirmed by HEY’s review as the project’s hook (not proven on chain).
What it is
A Uniswap v4 hook contract: the PoolManager calls it at the moments its address declares, in every pool created with it.
- Contract
- 0x188df8e99e8289a606e1396657329ce989975080
- First pool HEY read
- block 51,817,496 (time not read yet)
Who built it, and why HEY says so
- Tied to
- friarQuiet
- On what basis
- Confirmed by HEY’s review · 4 Oct · not proven on chain
- How
- Confirmed by HEY’s review as the project’s hook: HEY’s review confirmed it as the project’s; it is not proven on chain, and HEY’s own read would supersede it.
Callbacks its address declares
Called after a pool is created and before each swap.
afterInitialize— after a pool is createdbeforeSwap— before each swap
Decoded from the address itself: what the PoolManager will call, never what the code does and never whether it is safe.
Source
- Verified source
- Not read: HEY has not read the explorer’s source record for this hook.
- Proxy
- Not read: HEY’s contract watch has not checked this address for a proxy.
Uniswap’s hooklist
Listed in Uniswap’s hooklist as FriarV2 · listed as dynamic fee
A third-party listing, shown as context: it does not tie the hook to a project. Read 8 Oct at commit a15ee37.
Pools using it
9 pools on tokens HEY tracks use it, initialised between block 51,817,496 and block 63,043,297.
Pools initialised with the hook on a token HEY tracks (HEY keeps no other pool): a count, the first and last init block, and the pools HEY recorded per UTC ISO week over the last 12 weeks. Context only: never an order, a score or a leaderboard.
Pools HEY recorded, week by week
Counted by when HEY recorded each pool, not by its block time: HEY keeps no block-time mapping. A week before HEY began recording is not zero — nothing was recorded then — and the week it began also holds every earlier pool it read back from the chain.
| Week | Pools recorded |
|---|---|
| 20 Jul | not recorded yet — before HEY began |
| 27 Jul | not recorded yet — before HEY began |
| 3 Aug | not recorded yet — before HEY began |
| 10 Aug | not recorded yet — before HEY began |
| 17 Aug | not recorded yet — before HEY began |
| 24 Aug | not recorded yet — before HEY began |
| 31 Aug | not recorded yet — before HEY began |
| 7 Sep | not recorded yet — before HEY began |
| 14 Sep | not recorded yet — before HEY began |
| 21 Sep | not recorded yet — before HEY began |
| 28 Sep | 9 · includes earlier pools read back |
| 5 Oct (so far) | 0 |
When
- Created
- 31 Jul (block 23,828,602)
- First pool initialised
- block 51,817,496; time not read yet
- Newest pool HEY read
- block 63,043,297
- HEY first decoded it
- 1 Oct
- Creation checked
- 4 Oct
Related ship
- Its deployment
- None: this hook is listed, never counted as a ship.
- friar’s latest ship
- Code changes, week of 2026-08-31 – 2026-09-06 · 5 Sep
What HEY does not know
- Routing allowlist: not known. Whether a router or aggregator routes swaps through this hook: HEY reads no routing allowlist.
- Audit: not known. Whether its code was reviewed by an auditor: HEY reads no audit report for this hook, and a callback list is never a safety verdict.
- Dynamic fee, from the chain: not known. Whether its pools use a dynamic fee: HEY does not keep a pool’s fee field. Uniswap’s hooklist lists it as dynamic fee — a third-party listing, not a chain reading.
- Upgradeability: not known. Not read: HEY’s contract watch has not checked this address for a proxy.
- Verified source: not known. Not read: HEY has not read the explorer’s source record for this hook.
- First pool’s time: not known. HEY holds the first pool’s block, not its time.
Evidence
Uniswap is a trademark of Uniswap Labs. HEY Research Lab is not affiliated with or endorsed by Uniswap Labs. HEY reads Uniswap v4 pools from the public chain; this page describes what HEY found, not a partnership, an endorsement or a recommendation.