Token hook on Ink

Uniswap v4 Hook Contract 0x7694de2e5182e7d4e2e86b167a3cc761abb5a0cc on Ink · Token

Volume (24h)
$0
Value locked (TVL)
$0
All-time volume
$0
Pools using this hook
1
Swaps (24h)
0 (0 traders)
Total swaps
0

What it does

A token-and-hook contract that takes a levy of unknown size on swaps in its home pool and splits it between a developer and a jar, while leaving LP deposits and withdrawals untouched.

How it works step by step

  • The hook contract is also an ERC-20 token with a fixed supply, and it attaches itself to one home pool when that pool is created.
  • On swaps in its pool it appears to levy a tax using swap return deltas and records the collected amount.
  • Collected tax is tracked in two buckets, a developer share that the developer can withdraw and a 'jar' share that can be poured out by calling pour().
  • Includes an incinerate function that burns tokens, reducing total supply.
  • LP deposits and withdrawals are not touched by the hook.
Swap behaviour
During swaps in its home pool, the hook can change swap amounts through return deltas, most likely taking a tax from the swap and pulling it from the PoolManager. The exact tax rate cannot be read from the bytecode alone.
Liquidity behaviour
No liquidity callbacks; LPs can add and withdraw freely.
Fee behaviour
A swap levy of unknown size is collected through return deltas and split between a developer balance (withdraw) and a jar balance (pour). The rate and split are not visible in unverified bytecode.
Owner & admin controls
There is a standard owner with transfer and renounce ownership functions, but no fee-setting or pause functions appear in the dispatcher. A developer address can withdraw its accrued share.

Enabled Uniswap v4 callbacks

beforeInitialize, beforeSwap, afterSwap, beforeSwapReturnDelta, afterSwapReturnDelta

beforeInitialize: binds the hook to a single home pool; beforeSwap: computes and may take a levy before the swap; afterSwap: settles or records the levy after the swap; beforeSwapReturnDelta and afterSwapReturnDelta: let the hook adjust swap amounts to collect the levy.

Security & trust assessment

Risk level: medium, estimated (decoded bytecode, low confidence).

Who controls it: An owner and a developer address exist. The developer can withdraw its accrued levy share, and no functions to change fees or block trading were found.

Risk to user funds: Traders in the home pool pay a swap levy of unverified size taken through return deltas. LP principal cannot be locked or charged by the hook.

Security findings

  • [medium] Unverified swap levy: The hook uses swap return deltas to take tokens from swaps, but the exact tax rate and any limits cannot be confirmed without source code.
  • [info] No visible fee or pause setters: The functions found include no fee-setting, allowlist, or pause controls. The owner functions appear limited to ownership management.
  • [info] LP withdrawals unrestricted: Remove-liquidity callbacks are disabled, so the hook can never block or charge LP withdrawals.

Contract details

Verified source
No
Bytecode size
7,033 bytes
Upgradeable proxy
No
Detected patterns
erc20, moves-currency, ownable, return-delta, self-unlock

Pools using Token hook