Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
v4 hook · Robinhood Chain · block 93,174,987
0xd797…8044
The eight checks
5 pools use this hook, the first one 95 d ago.
- 01caution
Permissions that touch your moneyThe address enables after swap returns delta. The hook is allowed to take; the next two checks measure whether it does.
- 02n/a
What it takes from a swapNo pool with liquidity to swap through yet.
- 03pass
LPs can get outLiquidity added and removed in the same block came back whole.
- 04pass
The fee is the feeA fixed fee of 0%, written in the pool key.
- 05caution
No one holds the switchOwned by 0x0315eCb53F64b7A4bA56bb8A4DAB0D96F0856b60. Owner-style functions: setProtocolTreasury, setFactory, setQuoteRoute, claimCreatorFees, transferOwnership.
- 06pass
The code cannot changeNot a proxy, no DELEGATECALL, no SELFDESTRUCT.
- 07pass
Only the PoolManager can call itEach callback refused a call that did not come from the PoolManager.
- 08pass
Track record5 pools over 94 days.
Measured at block 93,174,987. A hook with an owner or a dynamic fee can behave differently later; scan again before a large trade.
What the address allows
A v4 hook's permissions are the last fourteen bits of its address. The PoolManager calls only what they switch on.
address & 0x3fff0x0044 · 00000001000100
- bit 13Before initialize
- bit 12After initialize
- bit 11Before add liquidity
- bit 10After add liquidity
- bit 9Before remove liquidity
- bit 8After remove liquidity
- bit 7Before swap
- bit 6After swap
- bit 5Before donate
What it did to a real swap
A small swap each way and a liquidity round trip, run through the PoolManager and this hook inside a call that is never sent. The pool fee is expected; anything else missing is the hook.
WETH / CHIP
fee 0%- Swap WETH → CHIPno liquidity at the current price
- Swap CHIP → WETHno liquidity at the current price
- Add, then remove liquiditycame back whole
pool 0xa905af70cb088e2aec8d5d71ee7ed79c7c9a4c37ea6e933550177e3747553be4
Read from the bytecode
- Code size
- 10,142 bytes
- Owner
- 0x0315eCb53F64b7A4bA56bb8A4DAB0D96F0856b60
- Proxy
- no
- DELEGATECALL
- absent
- SELFDESTRUCT
- absent
- Outside calls
- 10
- Callbacks open to anyone
- none
Its functions, uncensored
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.
- 0x0c5a61f8 setProtocolTreasury
- 0x0e5c011e harvest
- 0x21d0ee70 beforeRemoveLiquidity
- 0x259982e5 beforeAddLiquidity
- 0x32825291 harvestBounded
- 0x391d53ca quoteKey
bit 4
After donate
bit 3Before swap returns deltabit 2After swap returns deltabit 1After add returns deltabit 0After remove returns delta- After swap. Runs after every swap.
- After swap returns delta. Can take part of what you get out of every swap.