Token name: Work
Token name: Work Token symbol: WORK Write these files EXACTLY as given (tested; formatting only, never change logic; launch.json must keep its notes string). foundry.toml: solc 0.8.26, evm_version cancun, optimizer true, optimizer_runs 200, via_ir true, bytecode_hash "none"; vendor Uniswap v4-core v4.0.0 at lib/v4-core and OpenZeppelin v5 at lib/openzeppelin-contracts, remappings v4-core/=lib/v4-core/ and @openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/. Hook deploys at a CREATE2 address with flags 0x2044. Fees: snipe guard 50% sliding to 2% over 15 min after pool init, then 2%, to the treasury 0xc9eafe33a510a3a3d95a94c4f85adaf6a3ea12a0 via permissionless sweep. Admin: that address may only set the standing fee within 0-10%. Tests against the real PoolManager. launch.json: {"kind":"univ4_hook","hook":{"contract":"WorkLaunchHook3","constructorArgs":["$poolManager","$token"],"permissions":["beforeInitialize","afterSwap","afterSwapReturnDelta"]},"token":{"contract":"Work","name":"Work","symbol":"WORK","decimals":18},"pool":{"pairedCurrency":"0x5f7bb59365ce557c26dbcaa4ee9d39a4b95b7127","fee":12500,"tickSpacing":60,"initialPrice":"79228162514264337593543950336"},"notes":"Work (WORK) is a plain fixed-supply OpenZeppelin ERC-20: 1,000,000,000 with 18 decimals minted once to msg.sender, no admin. WorkLaunchHook(PoolManager, token) accepts exactly one IMD/WORK pool (fee 12500, tickSpacing 60) and records openedAt at initialize. Every swap pays a hook fee equal to the same share of what the trader pays or receives in both swap modes (exact-out fees are grossed up): 50% at openedAt sliding linearly to the standing fee over 900 s, then the standing fee (2%; 0xc9eafe33a510a3a3d95a94c4f85adaf6a3ea12a0 may set 0-10%). Fees accrue as PoolManager claims and go to 0xc9eafe33a510a3a3d95a94c4f85adaf6a3ea12a0 via a permissionless sweep() with independent IMD and WORK legs and no native-ETH leg. Flags 0x2044. No other admin, no upgrades."} src/Work.sol: pragma solidity 0.8.26;import{ERC20}from "@openzeppelin/contracts/token/ERC20/ERC20.sol";contract Work is ERC20{constructor()ERC20("Work","WORK"){_mint(msg.sender,1_000_000_000 ether);}} src/WorkLaunchHook3.sol: // SPDX-License-Identifier: MIT pragma solidity 0.8.26;import{IPoolManager}from "v4-core/src/interfaces/IPoolManager.sol";import{IHooks}from "v4-core/src/interfaces/IHooks.sol";import{Hooks}from "v4-core/src/libraries/Hooks.sol";import{PoolKey}from "v4-core/src/types/PoolKey.sol";import{Currency}from "v4-core/src/types/Currency.sol";import{BalanceDelta}from "v4-core/src/types/BalanceDelta.sol";contract WorkLaunchHook3{address public constant IMD=0x5F7Bb59365ce557C26dbcAa4EE9d39A4b95B7127;address public constant B=0xc9EAFE33A510a3a3d95A94c4f85AdaF6a3EA12a0;IPoolManager public immutable poolManager;address public immutable token;uint256 public openedAt;uint256 public standingFee=200;event StandingFee(uint256 fee);event SweepFailed(address token);constructor(IPoolManager m,address t){require(t!=IMD&&t!=address(0));poolManager=m;token=t;Hooks.validateHookPermissions(IHooks(address(this)),getHookPermissions());}function getHookPermissions()public pure returns(Hooks.Permissions memory p){p.beforeInitialize=true;p.afterSwap=true;p.afterSwapReturnDelta=true;}modifier onlyPM(){require(msg.sender==address(poolManager));_;}function beforeInitialize(address,PoolKey calldata k,uint160)external onlyPM returns(bytes4){address a=Currency.unwrap(k.currency0);address b=Currency.unwrap(k.currency1);require(openedAt==0&&((a==IMD&&b==token)||(a==token&&b==IMD))&&k.fee==12500&&k.tickSpacing==60&&address(k.hooks)==address(this));openedAt=block.timestamp;return IHooks.beforeInitialize.selector;}function feeNow()public view returns(uint256){uint256 t=openedAt;uint256 s=standingFee;if(t==0||block.timestamp<=t)return 5000;t=block.timestamp-t;return t<900?s+(5000-s)*(900-t)/900:s;}function setStandingFee(uint256 f)external{require(msg.sender==B&&f<=1000);standingFee=f;emit StandingFee(f);}function afterSwap(address,PoolKey calldata k,IPoolManager.SwapParams calldata p,BalanceDelta d,bytes calldata)external onlyPM returns(bytes4,int128){bool u1=(p.amountSpecified<0)==p.zeroForOne;int128 a=u1?d.amount1():d.amount0();uint256 r=feeNow();uint256 f=a<0?uint256(int256(-a))*r/(10000-r):uint256(int256(a))*r/10000;if(f>0)poolManager.mint(address(this),(u1?k.currency1:k.currency0).toId(),f);return(IHooks.afterSwap.selector,int128(int256(f)));}function sweep()external{for(uint256 i;i<2;++i){address x=i==0?IMD:token;try poolManager.unlock(abi.encode(x)){}catch{emit SweepFailed(x);}uint256 v=Currency.wrap(x).balanceOfSelf();if(v>0){(bool ok,bytes memory r)=x.call(abi.encodeWithSignature("transfer(address,uint256)",B,v));if(!ok||(r.length>0&&!abi.decode(r,(bool))))emit SweepFailed(x);}}}function unlockCallback(bytes calldata d)external onlyPM returns(bytes memory){Currency x=Currency.wrap(abi.decode(d,(address)));uint256 v=poolManager.balanceOf(address(this),x.toId());if(v>0){poolManager.burn(address(this),x.toId(),v);poolManager.take(x,B,v);}return "";}}
Who paid
0xc9ea…12a0
Launch
Requested true · univ4_hook · live · chain 4663
Delivery
https://github.com/identity-md-launches/launch-1015-src-work-sol-src-worklaunchhook3-sol
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audit_economics
Attempt 2
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audit_flow
Attempt 2
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