Index / Take profits
pattern · MIT · last updated 2026-08-27
Take profits
Tick-walk fill-on-cross take profit on upward price crosses.
First-party rewrite inspired by LearnWeb3 take-profits hook. Mirror of StopLoss: registerProfit at a tick, afterSwap fills on upward crosses with unlock-wrapped swaps. 14 permission fields, OpenZeppelin BaseHook, current v4 API. No ERC1155 layer in this teaching cut. Listing is not an audit. Forge tests under test/TakeProfit.t.sol.
Permission bits
These bits must match the deployed address. Confirm on-chain before you route.
afterInitializeafterSwap
Solidity
Excerpt from contracts/TakeProfit.sol. Copy the full file to implement this. Not an audit.
function getHookPermissions() public pure override returns (Hooks.Permissions memory) {
return Hooks.Permissions({
beforeInitialize: false,
afterInitialize: true,
beforeAddLiquidity: false,
afterAddLiquidity: false,
beforeRemoveLiquidity: false,
afterRemoveLiquidity: false,
beforeSwap: false,
afterSwap: true,
beforeDonate: false,
afterDonate: false,
beforeSwapReturnDelta: false,
afterSwapReturnDelta: false,
afterAddLiquidityReturnDelta: false,
afterRemoveLiquidityReturnDelta: false
});
}Spec
| Kind | pattern |
|---|---|
| Status | experimental |
| License | MIT |
| Source | https://github.com/CryptoGnome/v4hooks |
| Categories | Limit orders |
| Properties | Vanilla swap |
| Chains | Ethereum |
| Docs | https://github.com/LearnWeb3DAO/uniswap-v4-take-profits-hook |
FAQ
Can I paste this into production? The snippet is an excerpt. Use the full file at the source URL, match flags to the address, and treat this page as a map, not a guarantee.
How do I build this safely? Start with secure v4 hooks and the OpenZeppelin hooks guide.