From c7ad6b78b69095e4059106dd7052d696957ffa2c Mon Sep 17 00:00:00 2001 From: Sara Reynolds Date: Mon, 21 Oct 2024 00:25:25 -0400 Subject: [PATCH] add tests --- test/mocks/MockReenterHook.sol | 37 +++++++++ .../PositionManager.notifier.t.sol | 81 +++++++++++++++++++ 2 files changed, 118 insertions(+) create mode 100644 test/mocks/MockReenterHook.sol diff --git a/test/mocks/MockReenterHook.sol b/test/mocks/MockReenterHook.sol new file mode 100644 index 00000000..e6d6f2db --- /dev/null +++ b/test/mocks/MockReenterHook.sol @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: UNLICENSED +pragma solidity ^0.8.20; + +import {IPoolManager} from "@uniswap/v4-core/src/interfaces/IPoolManager.sol"; +import {PoolKey} from "@uniswap/v4-core/src/types/PoolKey.sol"; +import {Hooks} from "@uniswap/v4-core/src/libraries/Hooks.sol"; +import {BaseTestHooks} from "@uniswap/v4-core/src/test/BaseTestHooks.sol"; +import {PositionManager} from "../../src/PositionManager.sol"; + +contract MockReenterHook is BaseTestHooks { + PositionManager posm; + + function beforeAddLiquidity( + address, + PoolKey calldata, + IPoolManager.ModifyLiquidityParams calldata, + bytes calldata functionSelector + ) external override returns (bytes4) { + if (functionSelector.length == 0) { + return this.beforeAddLiquidity.selector; + } + (bytes4 selector, address owner, uint256 tokenId) = abi.decode(functionSelector, (bytes4, address, uint256)); + + if (selector == posm.transferFrom.selector) { + posm.transferFrom(owner, address(this), tokenId); + } else if (selector == posm.subscribe.selector) { + posm.subscribe(tokenId, address(this), ""); + } else if (selector == posm.unsubscribe.selector) { + posm.unsubscribe(tokenId); + } + return this.beforeAddLiquidity.selector; + } + + function setPosm(PositionManager _posm) external { + posm = _posm; + } +} diff --git a/test/position-managers/PositionManager.notifier.t.sol b/test/position-managers/PositionManager.notifier.t.sol index 391446a8..74acc7d0 100644 --- a/test/position-managers/PositionManager.notifier.t.sol +++ b/test/position-managers/PositionManager.notifier.t.sol @@ -9,6 +9,7 @@ import {IPoolManager} from "@uniswap/v4-core/src/interfaces/IPoolManager.sol"; import {StateLibrary} from "@uniswap/v4-core/src/libraries/StateLibrary.sol"; import {PoolIdLibrary} from "@uniswap/v4-core/src/types/PoolId.sol"; import {BalanceDelta, toBalanceDelta} from "@uniswap/v4-core/src/types/BalanceDelta.sol"; +import {Hooks} from "@uniswap/v4-core/src/libraries/Hooks.sol"; import {GasSnapshot} from "forge-gas-snapshot/GasSnapshot.sol"; import {PosmTestSetup} from "../shared/PosmTestSetup.sol"; import {MockSubscriber} from "../mocks/MockSubscriber.sol"; @@ -20,6 +21,7 @@ import {Actions} from "../../src/libraries/Actions.sol"; import {INotifier} from "../../src/interfaces/INotifier.sol"; import {MockReturnDataSubscriber, MockRevertSubscriber} from "../mocks/MockBadSubscribers.sol"; import {PositionInfoLibrary, PositionInfo} from "../../src/libraries/PositionInfoLibrary.sol"; +import {MockReenterHook} from "../mocks/MockReenterHook.sol"; contract PositionManagerNotifierTest is Test, PosmTestSetup, GasSnapshot { using PoolIdLibrary for PoolKey; @@ -31,10 +33,13 @@ contract PositionManagerNotifierTest is Test, PosmTestSetup, GasSnapshot { MockReturnDataSubscriber badSubscriber; PositionConfig config; MockRevertSubscriber revertSubscriber; + MockReenterHook reenterHook; address alice = makeAddr("ALICE"); address bob = makeAddr("BOB"); + PositionConfig reenterConfig; + function setUp() public { deployFreshManagerAndRouters(); deployMintAndApprove2Currencies(); @@ -49,6 +54,17 @@ contract PositionManagerNotifierTest is Test, PosmTestSetup, GasSnapshot { revertSubscriber = new MockRevertSubscriber(lpm); config = PositionConfig({poolKey: key, tickLower: -300, tickUpper: 300}); + // set the reenter hook + MockReenterHook impl = new MockReenterHook(); + address hookAddr = payable(address(uint160(Hooks.BEFORE_ADD_LIQUIDITY_FLAG))); + vm.etch(hookAddr, address(impl).code); + reenterHook = MockReenterHook(hookAddr); + reenterHook.setPosm(lpm); + + PoolKey memory reenterKey = PoolKey(currency0, currency1, 3000, 60, IHooks(reenterHook)); + manager.initialize(reenterKey, SQRT_PRICE_1_1); + reenterConfig = PositionConfig({poolKey: reenterKey, tickLower: -60, tickUpper: 60}); + // TODO: Test NATIVE poolKey } @@ -647,4 +663,69 @@ contract PositionManagerNotifierTest is Test, PosmTestSetup, GasSnapshot { assertEq(sub.notifyUnsubscribeCount(), beforeUnsubCount + 1); } } + + function test_unsubscribe_reverts_PoolManagerMustBeLocked() public { + uint256 tokenId = lpm.nextTokenId(); + mint(reenterConfig, 10e18, address(this), ZERO_BYTES); + + bytes memory hookData = abi.encode(lpm.unsubscribe.selector, address(this), tokenId); + bytes memory actions = getMintEncoded(reenterConfig, 10e18, address(this), hookData); + + // approve hook as it should not revert because it does not have permissions + lpm.approve(address(reenterHook), tokenId); + // subscribe as it should not revert because there is no subscriber + lpm.subscribe(tokenId, address(sub), ZERO_BYTES); + + // should revert since the pool manager is unlocked + vm.expectRevert( + abi.encodeWithSelector( + Hooks.Wrap__FailedHookCall.selector, + address(reenterHook), + abi.encodeWithSelector(IPositionManager.PoolManagerMustBeLocked.selector) + ) + ); + lpm.modifyLiquidities(actions, _deadline); + } + + function test_subscribe_reverts_PoolManagerMustBeLocked() public { + uint256 tokenId = lpm.nextTokenId(); + mint(reenterConfig, 10e18, address(this), ZERO_BYTES); + + bytes memory hookData = abi.encode(lpm.subscribe.selector, address(this), tokenId); + bytes memory actions = getMintEncoded(reenterConfig, 10e18, address(this), hookData); + + // approve hook as it should not revert because it does not have permissions + lpm.approve(address(reenterHook), tokenId); + + // should revert since the pool manager is unlocked + vm.expectRevert( + abi.encodeWithSelector( + Hooks.Wrap__FailedHookCall.selector, + address(reenterHook), + abi.encodeWithSelector(IPositionManager.PoolManagerMustBeLocked.selector) + ) + ); + lpm.modifyLiquidities(actions, _deadline); + } + + function test_transferFrom_reverts_PoolManagerMustBeLocked() public { + uint256 tokenId = lpm.nextTokenId(); + mint(reenterConfig, 10e18, address(this), ZERO_BYTES); + + bytes memory hookData = abi.encode(lpm.transferFrom.selector, address(this), tokenId); + bytes memory actions = getMintEncoded(reenterConfig, 10e18, address(this), hookData); + + // approve hook as it should not revert because it does not have permissions + lpm.approve(address(reenterHook), tokenId); + + // should revert since the pool manager is unlocked + vm.expectRevert( + abi.encodeWithSelector( + Hooks.Wrap__FailedHookCall.selector, + address(reenterHook), + abi.encodeWithSelector(IPositionManager.PoolManagerMustBeLocked.selector) + ) + ); + lpm.modifyLiquidities(actions, _deadline); + } }