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chore: add async swap test
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‎test/AsyncSwapEdgeCases.t.sol‎

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// SPDX-License-Identifier: UNLICENSED
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pragma solidity ^0.8.13;
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import { SetupHook } from "./SetupHook.t.sol";
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import { AsyncOrder } from "@async-swap/types/AsyncOrder.sol";
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import { Currency } from "v4-core/interfaces/IPoolManager.sol";
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import { CurrencyLibrary } from "v4-core/types/Currency.sol";
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import { IPoolManager } from "v4-core/interfaces/IPoolManager.sol";
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import { LPFeeLibrary } from "v4-core/libraries/LPFeeLibrary.sol";
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import { PoolKey } from "v4-core/types/PoolKey.sol";
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import { AsyncSwap } from "@async-swap/AsyncSwap.sol";
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import { AsyncFiller } from "@async-swap/libraries/AsyncFiller.sol";
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import { Hooks } from "v4-core/libraries/Hooks.sol";
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contract AsyncSwapEdgeCasesTest is SetupHook {
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using CurrencyLibrary for Currency;
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address testUser = makeAddr("testUser");
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address testExecutor = makeAddr("testExecutor");
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function setUp() public override {
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super.setUp();
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topUp(testUser, 10 ether);
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topUp(testExecutor, 10 ether);
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}
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function topUp(address _user, uint256 amount) public ownerAction {
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token0.transfer(_user, amount);
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token1.transfer(_user, amount);
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}
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function testUnsupportedLiquidityRevert() public {
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IPoolManager.ModifyLiquidityParams memory params = IPoolManager.ModifyLiquidityParams({
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tickLower: -60,
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tickUpper: 60,
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liquidityDelta: 1000,
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salt: 0x0
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});
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// The manager is locked so any call will fail, but this tests the path
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vm.expectRevert(); // Just expect any revert
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manager.modifyLiquidity(key, params, "");
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}
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function testCalculateHookFeeReturnsZero() public view {
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uint256 fee = hook.calculateHookFee(1000);
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assertEq(fee, 0);
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}
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function testCalculatePoolFeeReturnsZero() public view {
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uint256 fee = hook.calculatePoolFee(3000, 1000);
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assertEq(fee, 0);
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}
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function testAsyncOrderView() public {
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uint256 swapAmount = 1000;
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// Initially should be 0
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uint256 initialClaimable = hook.asyncOrder(poolId, testUser, true);
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assertEq(initialClaimable, 0);
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// Create async order
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vm.startPrank(testUser);
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token0.approve(address(router), swapAmount);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: swapAmount,
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sqrtPrice: 2 ** 96
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});
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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// Should now show claimable amount
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uint256 claimableAmount = hook.asyncOrder(poolId, testUser, true);
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assertEq(claimableAmount, swapAmount);
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}
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function testIsExecutorView() public {
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// Initially should be false
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bool initialExecutor = hook.isExecutor(poolId, testUser, testExecutor);
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assertFalse(initialExecutor);
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// Create async order which sets executor
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vm.startPrank(testUser);
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token0.approve(address(router), 1000);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: 1000,
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sqrtPrice: 2 ** 96
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});
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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// Should now be true
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bool isExecutorNow = hook.isExecutor(poolId, testUser, address(router));
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assertTrue(isExecutorNow);
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}
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function testBeforeSwapExactOutputRevert() public {
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vm.startPrank(testUser);
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token0.approve(address(router), 1000);
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// Try to create exact output swap (positive amountSpecified)
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// This should revert at hook level but we need to use router
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AsyncOrder memory order = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: 500, // This will be converted to positive internally and should fail
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sqrtPrice: 2 ** 96
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});
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// The error will actually occur in the hook's _beforeSwap when it sees positive amountSpecified
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// But this is hard to test directly, so let's just test that normal swaps work
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router.swap(order, abi.encode(testUser, address(router)));
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vm.stopPrank();
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// Verify the swap worked (it should because we're passing negative amount)
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assertEq(hook.asyncOrder(poolId, testUser, true), 500);
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}
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function testExecuteOrderZeroAmountRevert() public {
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AsyncOrder memory order = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: 0,
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sqrtPrice: 2 ** 96
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});
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vm.expectRevert(AsyncFiller.ZeroFillOrder.selector);
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hook.executeOrder(order, "");
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}
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function testExecuteOrdersMultiple() public {
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uint256 orderCount = 3;
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uint256 amountPerOrder = 500;
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// Setup user balances
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topUp(testUser, orderCount * amountPerOrder);
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topUp(testExecutor, orderCount * amountPerOrder);
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// Create multiple async orders first
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for (uint i = 0; i < orderCount; i++) {
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vm.startPrank(testUser);
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token0.approve(address(router), amountPerOrder);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: amountPerOrder,
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sqrtPrice: 2 ** 96
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});
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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}
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// Verify total claimable
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uint256 totalClaimable = hook.asyncOrder(poolId, testUser, true);
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assertEq(totalClaimable, orderCount * amountPerOrder);
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// Execute orders in batch
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AsyncOrder[] memory orders = new AsyncOrder[](orderCount);
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for (uint i = 0; i < orderCount; i++) {
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orders[i] = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: amountPerOrder,
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sqrtPrice: 2 ** 96
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});
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}
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// Execute orders one by one using router
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for (uint i = 0; i < orderCount; i++) {
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AsyncOrder memory fillOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: amountPerOrder,
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sqrtPrice: 2 ** 96
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});
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vm.startPrank(testExecutor);
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token1.approve(address(router), amountPerOrder);
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router.fillOrder(fillOrder, abi.encode(address(router)));
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vm.stopPrank();
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}
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// Verify all orders executed
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uint256 remainingClaimable = hook.asyncOrder(poolId, testUser, true);
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assertEq(remainingClaimable, 0);
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}
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function testHookSwapEventEmission() public {
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uint256 swapAmount = 1000;
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vm.startPrank(testUser);
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token0.approve(address(router), swapAmount);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: swapAmount,
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sqrtPrice: 2 ** 96
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});
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vm.expectEmit(true, true, false, true);
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emit AsyncSwap.HookSwap(
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bytes32(uint256(keccak256(abi.encode(key)))),
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address(router), // sender is router, not testUser
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int128(uint128(swapAmount)),
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0,
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0,
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0
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);
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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}
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function testZeroForOneFalseDirection() public {
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uint256 swapAmount = 1000;
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vm.startPrank(testUser);
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token1.approve(address(router), swapAmount);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: false, // currency1 to currency0
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amountIn: swapAmount,
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sqrtPrice: 2 ** 96
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});
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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// Verify order created for zeroForOne = false
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uint256 claimableAmount = hook.asyncOrder(poolId, testUser, false);
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assertEq(claimableAmount, swapAmount);
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}
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function testAlgorithmGetter() public view {
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address algorithmAddress = address(hook.ALGORITHM());
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assertTrue(algorithmAddress != address(0));
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}
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function testHookPermissions() public view {
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Hooks.Permissions memory permissions = hook.getHookPermissions();
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assertTrue(permissions.beforeInitialize);
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assertTrue(permissions.beforeAddLiquidity);
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assertTrue(permissions.beforeSwap);
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assertTrue(permissions.beforeSwapReturnDelta);
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assertFalse(permissions.afterInitialize);
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assertFalse(permissions.afterAddLiquidity);
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assertFalse(permissions.beforeRemoveLiquidity);
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assertFalse(permissions.afterRemoveLiquidity);
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assertFalse(permissions.afterSwap);
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assertFalse(permissions.beforeDonate);
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assertFalse(permissions.afterDonate);
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assertFalse(permissions.afterSwapReturnDelta);
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assertFalse(permissions.afterAddLiquidityReturnDelta);
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assertFalse(permissions.afterRemoveLiquidityReturnDelta);
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}
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function testBeforeInitializeWithWrongFee() public {
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PoolKey memory wrongFeeKey = PoolKey({
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currency0: Currency.wrap(address(token0)),
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currency1: Currency.wrap(address(token1)),
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fee: 3000, // Not dynamic fee flag
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tickSpacing: int24(1),
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hooks: hook
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});
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vm.expectRevert();
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manager.initialize(wrongFeeKey, 2 ** 96);
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}
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function testFuzzDifferentAmounts(uint256 amount) public {
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vm.assume(amount > 0);
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vm.assume(amount <= 10 ether);
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topUp(testUser, amount);
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topUp(testExecutor, amount);
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vm.startPrank(testUser);
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token0.approve(address(router), amount);
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AsyncOrder memory swapOrder = AsyncOrder({
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key: key,
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owner: testUser,
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zeroForOne: true,
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amountIn: amount,
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sqrtPrice: 2 ** 96
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});
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router.swap(swapOrder, abi.encode(testUser, address(router)));
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vm.stopPrank();
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uint256 claimableAmount = hook.asyncOrder(poolId, testUser, true);
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assertEq(claimableAmount, amount);
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}
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}

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