118 lines
4.2 KiB
Solidity
118 lines
4.2 KiB
Solidity
// SPDX-License-Identifier: GPL-3.0-or-later
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pragma solidity ^0.8.24;
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import {IUniversalRouter} from "../interfaces/IUniversalRouter.sol";
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import {IPermit2} from "../lib/permit2/src/interfaces/IPermit2.sol";
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import {Constants} from "./Constants.sol";
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import {Actions} from "../lib/v4-periphery/src/libraries/Actions.sol";
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import {PoolKey} from "../lib/v4-core/src/types/PoolKey.sol";
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import {IV4Router} from "../lib/v4-periphery/src/interfaces/IV4Router.sol";
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import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import {Currency} from "../lib/v4-core/src/types/Currency.sol";
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import {IHooks} from "../lib/v4-core/src/interfaces/IHooks.sol";
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import "forge-std/Test.sol";
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contract Commands {
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uint256 constant V2_SWAP_EXACT_IN = 0x08;
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uint256 constant V3_SWAP_EXACT_IN = 0x00;
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uint256 constant V4_SWAP = 0x10;
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}
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// A gas test to compare the gas usage of the UniversalRouter with the TychoRouter
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// The gas usage quoted from the TychoRouter is without any asserts after the swap
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// The path executed on TychoRouter is the same as the path executed on UniversalRouter
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contract GasTest is Commands, Test, Constants {
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IUniversalRouter universalRouter = IUniversalRouter(UNIVERSAL_ROUTER);
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IPermit2 permit2 = IPermit2(PERMIT2_ADDRESS);
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function setUp() public {
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uint256 forkBlock = 21817316;
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vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
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}
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// Gas usage: 248717
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// TychoRouter:testSwapSimple costs 255123
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function testUniversalRouterUniswapV2() public {
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uint256 amountIn = 10 ** 18;
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bytes memory commands =
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abi.encodePacked(uint8(Commands.V2_SWAP_EXACT_IN));
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address[] memory path = new address[](2);
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path[0] = WETH_ADDR;
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path[1] = DAI_ADDR;
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bytes[] memory inputs = new bytes[](1);
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inputs[0] = abi.encode(BOB, amountIn, uint256(0), path, false);
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deal(WETH_ADDR, address(universalRouter), amountIn);
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universalRouter.execute(commands, inputs, block.timestamp + 1000);
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}
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// Gas usage: 251900
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// TychoRouter:testSwapSingleUSV3 costs 264195
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function testUniversalRouterUniswapV3() public {
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uint256 amountIn = 10 ** 18;
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bytes memory commands =
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abi.encodePacked(uint8(Commands.V3_SWAP_EXACT_IN));
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uint24 poolFee = 3000;
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bytes memory path = abi.encodePacked(WETH_ADDR, poolFee, DAI_ADDR);
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bytes[] memory inputs = new bytes[](1);
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inputs[0] = abi.encode(BOB, amountIn, uint256(0), path, false);
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deal(WETH_ADDR, address(universalRouter), amountIn);
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universalRouter.execute(commands, inputs, block.timestamp + 1000);
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}
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// Gas usage: 299427
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// TychoRouter:testSwapSingleUSV4Callback costs 286025
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function testUniversalRouterUniswapV4() public {
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uint128 amountIn = uint128(100 ether);
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uint128 amountOutMinimum = uint128(0);
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uint256 deadline = block.timestamp + 1000;
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bytes memory commands = abi.encodePacked(uint8(Commands.V4_SWAP));
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bytes memory actions = abi.encodePacked(
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uint8(Actions.SWAP_EXACT_IN_SINGLE),
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uint8(Actions.SETTLE_ALL),
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uint8(Actions.TAKE_ALL)
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);
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PoolKey memory key = PoolKey({
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currency0: Currency.wrap(USDE_ADDR),
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currency1: Currency.wrap(USDT_ADDR),
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fee: 100,
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tickSpacing: int24(1),
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hooks: IHooks(address(0))
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});
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bytes[] memory params = new bytes[](3);
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params[0] = abi.encode(
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IV4Router.ExactInputSingleParams({
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poolKey: key,
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zeroForOne: true,
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amountIn: amountIn,
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amountOutMinimum: amountOutMinimum,
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hookData: bytes("")
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})
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);
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params[1] = abi.encode(key.currency0, amountIn);
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params[2] = abi.encode(key.currency1, amountOutMinimum);
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bytes[] memory inputs = new bytes[](1);
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inputs[0] = abi.encode(actions, params);
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deal(USDE_ADDR, address(this), amountIn);
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IERC20(USDE_ADDR).approve(PERMIT2_ADDRESS, amountIn);
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permit2.approve(
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USDE_ADDR, address(universalRouter), amountIn, uint48(deadline)
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);
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universalRouter.execute(commands, inputs, deadline);
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}
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}
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