ca32446a9e
- Note: I think we can get the fee straight from the pool... why did we always encode this and send it from the solver? Is this bound to change sometimes?
658 lines
20 KiB
Solidity
658 lines
20 KiB
Solidity
// SPDX-License-Identifier: UNLICENSED
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pragma solidity ^0.8.28;
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import {TychoRouter} from "@src/TychoRouter.sol";
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import "./TychoRouterTestSetup.sol";
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contract TychoRouterTest is TychoRouterTestSetup {
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bytes32 public constant EXECUTOR_SETTER_ROLE =
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0x6a1dd52dcad5bd732e45b6af4e7344fa284e2d7d4b23b5b09cb55d36b0685c87;
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bytes32 public constant FEE_SETTER_ROLE =
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0xe6ad9a47fbda1dc18de1eb5eeb7d935e5e81b4748f3cfc61e233e64f88182060;
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bytes32 public constant PAUSER_ROLE =
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0x65d7a28e3265b37a6474929f336521b332c1681b933f6cb9f3376673440d862a;
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bytes32 public constant FUND_RESCUER_ROLE =
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0x912e45d663a6f4cc1d0491d8f046e06c616f40352565ea1cdb86a0e1aaefa41b;
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event CallbackVerifierSet(address indexed callbackVerifier);
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event Withdrawal(
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address indexed token, uint256 amount, address indexed receiver
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);
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function testSetExecutorValidRole() public {
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vm.startPrank(EXECUTOR_SETTER);
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tychoRouter.setExecutor(DUMMY);
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vm.stopPrank();
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assert(tychoRouter.executors(DUMMY) == true);
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}
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function testRemoveExecutorValidRole() public {
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vm.startPrank(EXECUTOR_SETTER);
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tychoRouter.setExecutor(DUMMY);
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tychoRouter.removeExecutor(DUMMY);
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vm.stopPrank();
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assert(tychoRouter.executors(DUMMY) == false);
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}
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function testRemoveExecutorMissingSetterRole() public {
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vm.expectRevert();
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tychoRouter.removeExecutor(BOB);
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}
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function testSetExecutorMissingSetterRole() public {
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vm.expectRevert();
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tychoRouter.setExecutor(DUMMY);
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}
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function testSetVerifierValidRole() public {
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vm.startPrank(EXECUTOR_SETTER);
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tychoRouter.setCallbackVerifier(DUMMY);
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vm.stopPrank();
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assert(tychoRouter.callbackVerifiers(DUMMY) == true);
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}
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function testRemoveVerifierValidRole() public {
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vm.startPrank(EXECUTOR_SETTER);
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tychoRouter.setCallbackVerifier(DUMMY);
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tychoRouter.removeCallbackVerifier(DUMMY);
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vm.stopPrank();
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assert(tychoRouter.callbackVerifiers(DUMMY) == false);
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}
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function testRemoveVerifierMissingSetterRole() public {
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vm.expectRevert();
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tychoRouter.removeCallbackVerifier(BOB);
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}
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function testSetVerifierMissingSetterRole() public {
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vm.expectRevert();
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tychoRouter.setCallbackVerifier(DUMMY);
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}
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function testWithdrawNative() public {
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vm.startPrank(FUND_RESCUER);
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// Send 100 ether to tychoRouter
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assertEq(tychoRouterAddr.balance, 0);
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assertEq(FUND_RESCUER.balance, 0);
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vm.deal(tychoRouterAddr, 100 ether);
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vm.expectEmit();
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emit Withdrawal(address(0), 100 ether, FUND_RESCUER);
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tychoRouter.withdrawNative(FUND_RESCUER);
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assertEq(tychoRouterAddr.balance, 0);
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assertEq(FUND_RESCUER.balance, 100 ether);
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vm.stopPrank();
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}
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function testWithdrawNativeFailures() public {
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vm.deal(tychoRouterAddr, 100 ether);
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vm.startPrank(FUND_RESCUER);
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vm.expectRevert(TychoRouter__AddressZero.selector);
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tychoRouter.withdrawNative(address(0));
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vm.stopPrank();
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// Not role FUND_RESCUER
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vm.startPrank(BOB);
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vm.expectRevert();
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tychoRouter.withdrawNative(FUND_RESCUER);
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vm.stopPrank();
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}
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function testWithdrawERC20Tokens() public {
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vm.startPrank(BOB);
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mintTokens(100 ether, tychoRouterAddr);
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vm.stopPrank();
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vm.startPrank(FUND_RESCUER);
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IERC20[] memory tokensArray = new IERC20[](3);
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tokensArray[0] = IERC20(address(tokens[0]));
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tokensArray[1] = IERC20(address(tokens[1]));
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tokensArray[2] = IERC20(address(tokens[2]));
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tychoRouter.withdraw(tokensArray, FUND_RESCUER);
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// Check balances after withdrawing
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for (uint256 i = 0; i < tokens.length; i++) {
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// slither-disable-next-line calls-loop
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assertEq(tokens[i].balanceOf(tychoRouterAddr), 0);
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// slither-disable-next-line calls-loop
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assertEq(tokens[i].balanceOf(FUND_RESCUER), 100 ether);
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}
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vm.stopPrank();
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}
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function testWithdrawERC20TokensFailures() public {
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mintTokens(100 ether, tychoRouterAddr);
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IERC20[] memory tokensArray = new IERC20[](3);
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tokensArray[0] = IERC20(address(tokens[0]));
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tokensArray[1] = IERC20(address(tokens[1]));
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tokensArray[2] = IERC20(address(tokens[2]));
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vm.startPrank(FUND_RESCUER);
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vm.expectRevert(TychoRouter__AddressZero.selector);
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tychoRouter.withdraw(tokensArray, address(0));
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vm.stopPrank();
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// Not role FUND_RESCUER
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vm.startPrank(BOB);
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vm.expectRevert();
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tychoRouter.withdraw(tokensArray, FUND_RESCUER);
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vm.stopPrank();
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}
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function testFeeSetting() public {
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vm.startPrank(FEE_SETTER);
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assertEq(tychoRouter.fee(), 0);
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tychoRouter.setFee(100);
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assertEq(tychoRouter.fee(), 100);
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vm.stopPrank();
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vm.startPrank(BOB);
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vm.expectRevert();
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tychoRouter.setFee(200);
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vm.stopPrank();
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}
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function testFeeReceiverSetting() public {
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vm.startPrank(FEE_SETTER);
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assertEq(tychoRouter.feeReceiver(), address(0));
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tychoRouter.setFeeReceiver(FEE_RECEIVER);
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assertEq(tychoRouter.feeReceiver(), FEE_RECEIVER);
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vm.stopPrank();
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vm.startPrank(BOB);
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vm.expectRevert();
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tychoRouter.setFeeReceiver(FEE_RECEIVER);
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vm.stopPrank();
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}
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function testPause() public {
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vm.startPrank(PAUSER);
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assertEq(tychoRouter.paused(), false);
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tychoRouter.pause();
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assertEq(tychoRouter.paused(), true);
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// TODO: test swap calls when implemeted
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vm.stopPrank();
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vm.startPrank(UNPAUSER);
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tychoRouter.unpause();
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assertEq(tychoRouter.paused(), false);
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vm.stopPrank();
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vm.startPrank(UNPAUSER);
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vm.expectRevert();
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tychoRouter.unpause();
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vm.stopPrank();
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}
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function testPauseNonRole() public {
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vm.startPrank(BOB);
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vm.expectRevert();
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tychoRouter.pause();
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vm.stopPrank();
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}
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function testWrapETH() public {
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uint256 amount = 1 ether;
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vm.deal(BOB, amount);
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vm.startPrank(BOB);
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tychoRouter.wrapETH{value: amount}(amount);
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vm.stopPrank();
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assertEq(tychoRouterAddr.balance, 0);
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assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), amount);
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}
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function testUnwrapETH() public {
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uint256 amount = 1 ether;
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deal(WETH_ADDR, tychoRouterAddr, amount);
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tychoRouter.unwrapETH(amount);
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assertEq(tychoRouterAddr.balance, amount);
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assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
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}
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function testSwapSimple() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// 1 WETH -> DAI
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// (USV2)
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, tychoRouterAddr, amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap = encodeSwap(
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uint8(0),
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uint8(1),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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protocolData
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);
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bytes[] memory swaps = new bytes[](1);
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swaps[0] = swap;
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tychoRouter.exposedSwap(amountIn, 2, pleEncode(swaps));
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(tychoRouterAddr);
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assertEq(daiBalance, 2630432278145144658455);
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assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
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}
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function testSwapMultipleHops() public {
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// Trade 1 WETH for USDC through DAI with 2 swaps on Uniswap V2
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// 1 WETH -> DAI -> USDC
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// (univ2) (univ2)
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, tychoRouterAddr, amountIn);
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bytes[] memory swaps = new bytes[](2);
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// WETH -> DAI
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swaps[0] = encodeSwap(
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uint8(0),
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uint8(1),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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)
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);
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// DAI -> USDC
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swaps[1] = encodeSwap(
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uint8(1),
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uint8(2),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(DAI_ADDR, DAI_USDC_POOL, tychoRouterAddr, true)
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);
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tychoRouter.exposedSwap(amountIn, 3, pleEncode(swaps));
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uint256 usdcBalance = IERC20(USDC_ADDR).balanceOf(tychoRouterAddr);
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assertEq(usdcBalance, 2610580090);
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assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
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}
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function testSwapSplitHops() public {
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// Trade 1 WETH for USDC through DAI and WBTC with 4 swaps on Uniswap V2
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// -> DAI ->
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// 1 WETH USDC
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// -> WBTC ->
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// (univ2) (univ2)
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, tychoRouterAddr, amountIn);
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bytes[] memory swaps = new bytes[](4);
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// WETH -> WBTC (60%)
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swaps[0] = encodeSwap(
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uint8(0),
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uint8(1),
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(0xffffff * 60) / 100, // 60%
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(
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WETH_ADDR, WETH_WBTC_POOL, tychoRouterAddr, false
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)
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);
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// WBTC -> USDC
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swaps[1] = encodeSwap(
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uint8(1),
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uint8(2),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(
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WBTC_ADDR, USDC_WBTC_POOL, tychoRouterAddr, true
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)
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);
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// WETH -> DAI
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swaps[2] = encodeSwap(
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uint8(0),
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uint8(3),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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)
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);
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// DAI -> USDC
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swaps[3] = encodeSwap(
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uint8(3),
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uint8(2),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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encodeUniswapV2Swap(DAI_ADDR, DAI_USDC_POOL, tychoRouterAddr, true)
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);
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tychoRouter.exposedSwap(amountIn, 4, pleEncode(swaps));
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uint256 usdcBalance = IERC20(USDC_ADDR).balanceOf(tychoRouterAddr);
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assertEq(usdcBalance, 2581503157);
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assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
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}
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function testSwapChecked() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Does permit2 token approval and transfer
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// Checks amount out at the end
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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(
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IAllowanceTransfer.PermitSingle memory permitSingle,
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bytes memory signature
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) = handlePermit2Approval(WETH_ADDR, amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap = encodeSwap(
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uint8(0),
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uint8(1),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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protocolData
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);
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bytes[] memory swaps = new bytes[](1);
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swaps[0] = swap;
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uint256 minAmountOut = 2600 * 1e18;
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uint256 amountOut = tychoRouter.swap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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2,
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ALICE,
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permitSingle,
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signature,
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pleEncode(swaps)
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);
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uint256 expectedAmount = 2630432278145144658455;
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assertEq(amountOut, expectedAmount);
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(daiBalance, expectedAmount);
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assertEq(IERC20(WETH_ADDR).balanceOf(ALICE), 0);
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vm.stopPrank();
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}
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function testSwapCheckedFailure() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Does permit2 token approval and transfer
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// Checks amount out at the end and fails
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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(
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IAllowanceTransfer.PermitSingle memory permitSingle,
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bytes memory signature
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) = handlePermit2Approval(WETH_ADDR, amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap = encodeSwap(
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uint8(0),
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uint8(1),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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protocolData
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);
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bytes[] memory swaps = new bytes[](1);
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swaps[0] = swap;
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uint256 minAmountOut = 3000 * 1e18;
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vm.expectRevert(
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abi.encodeWithSelector(
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TychoRouter__NegativeSlippage.selector,
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2630432278145144658455, // actual amountOut
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minAmountOut
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)
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);
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tychoRouter.swap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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2,
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ALICE,
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permitSingle,
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signature,
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pleEncode(swaps)
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);
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vm.stopPrank();
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}
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function testSwapFee() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Does permit2 token approval and transfer
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// Takes fee at the end
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vm.startPrank(FEE_SETTER);
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tychoRouter.setFee(100);
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tychoRouter.setFeeReceiver(FEE_RECEIVER);
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vm.stopPrank();
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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(
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IAllowanceTransfer.PermitSingle memory permitSingle,
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bytes memory signature
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) = handlePermit2Approval(WETH_ADDR, amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap = encodeSwap(
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uint8(0),
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uint8(1),
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uint24(0),
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address(usv2Executor),
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bytes4(0),
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protocolData
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);
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bytes[] memory swaps = new bytes[](1);
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swaps[0] = swap;
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uint256 amountOut = tychoRouter.swap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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0,
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false,
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false,
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2,
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ALICE,
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permitSingle,
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signature,
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pleEncode(swaps)
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);
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uint256 expectedAmount = 2604127955363693211871;
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assertEq(amountOut, expectedAmount);
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(daiBalance, expectedAmount);
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assertEq(IERC20(DAI_ADDR).balanceOf(FEE_RECEIVER), 26304322781451446584);
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vm.stopPrank();
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}
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function testSwapWrapETH() public {
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// Trade 1 ETH (and wrap it) for DAI with 1 swap on Uniswap V2
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uint256 amountIn = 1 ether;
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deal(ALICE, amountIn);
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vm.startPrank(ALICE);
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IAllowanceTransfer.PermitSingle memory emptyPermitSingle =
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IAllowanceTransfer.PermitSingle({
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details: IAllowanceTransfer.PermitDetails({
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token: address(0),
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amount: 0,
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expiration: 0,
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nonce: 0
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}),
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spender: address(0),
|
|
sigDeadline: 0
|
|
});
|
|
bytes memory protocolData = encodeUniswapV2Swap(
|
|
WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
|
|
);
|
|
|
|
bytes memory swap = encodeSwap(
|
|
uint8(0),
|
|
uint8(1),
|
|
uint24(0),
|
|
address(usv2Executor),
|
|
bytes4(0),
|
|
protocolData
|
|
);
|
|
bytes[] memory swaps = new bytes[](1);
|
|
swaps[0] = swap;
|
|
|
|
uint256 amountOut = tychoRouter.swap{value: amountIn}(
|
|
amountIn,
|
|
address(0),
|
|
DAI_ADDR,
|
|
0,
|
|
true,
|
|
false,
|
|
2,
|
|
ALICE,
|
|
emptyPermitSingle,
|
|
"",
|
|
pleEncode(swaps)
|
|
);
|
|
uint256 expectedAmount = 2630432278145144658455;
|
|
assertEq(amountOut, expectedAmount);
|
|
uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
|
|
assertEq(daiBalance, expectedAmount);
|
|
assertEq(ALICE.balance, 0);
|
|
|
|
vm.stopPrank();
|
|
}
|
|
|
|
function testSwapUnwrapETH() public {
|
|
// Trade 3k DAI for WETH with 1 swap on Uniswap V2 and unwrap it at the end
|
|
|
|
uint256 amountIn = 3_000 * 10 ** 18;
|
|
deal(DAI_ADDR, ALICE, amountIn);
|
|
|
|
vm.startPrank(ALICE);
|
|
|
|
(
|
|
IAllowanceTransfer.PermitSingle memory permitSingle,
|
|
bytes memory signature
|
|
) = handlePermit2Approval(DAI_ADDR, amountIn);
|
|
|
|
bytes memory protocolData =
|
|
encodeUniswapV2Swap(DAI_ADDR, WETH_DAI_POOL, tychoRouterAddr, true);
|
|
|
|
bytes memory swap = encodeSwap(
|
|
uint8(0),
|
|
uint8(1),
|
|
uint24(0),
|
|
address(usv2Executor),
|
|
bytes4(0),
|
|
protocolData
|
|
);
|
|
bytes[] memory swaps = new bytes[](1);
|
|
swaps[0] = swap;
|
|
|
|
uint256 amountOut = tychoRouter.swap(
|
|
amountIn,
|
|
DAI_ADDR,
|
|
address(0),
|
|
0,
|
|
false,
|
|
true,
|
|
2,
|
|
ALICE,
|
|
permitSingle,
|
|
signature,
|
|
pleEncode(swaps)
|
|
);
|
|
|
|
uint256 expectedAmount = 1132829934891544187; // 1.13 ETH
|
|
assertEq(amountOut, expectedAmount);
|
|
assertEq(ALICE.balance, expectedAmount);
|
|
|
|
vm.stopPrank();
|
|
}
|
|
|
|
function testUSV3Callback() public {
|
|
uint24 poolFee = 3000;
|
|
uint256 amountOwed = 1000000000000000000;
|
|
deal(WETH_ADDR, tychoRouterAddr, amountOwed);
|
|
uint256 initialPoolReserve = IERC20(WETH_ADDR).balanceOf(DAI_WETH_USV3);
|
|
|
|
vm.startPrank(DAI_WETH_USV3);
|
|
tychoRouter.uniswapV3SwapCallback(
|
|
-2631245338449998525223,
|
|
int256(amountOwed),
|
|
abi.encodePacked(WETH_ADDR, DAI_ADDR, poolFee)
|
|
);
|
|
vm.stopPrank();
|
|
|
|
uint256 finalPoolReserve = IERC20(WETH_ADDR).balanceOf(DAI_WETH_USV3);
|
|
assertEq(finalPoolReserve - initialPoolReserve, amountOwed);
|
|
}
|
|
|
|
function testSwapSingleUSV3() public {
|
|
// Trade 1 WETH for DAI with 1 swap on Uniswap V3
|
|
// 1 WETH -> DAI
|
|
// (USV3)
|
|
uint256 amountIn = 10 ** 18;
|
|
deal(WETH_ADDR, tychoRouterAddr, amountIn);
|
|
|
|
uint256 expAmountOut = 1205_128428842122129186; //Swap 1 WETH for 1205.12 DAI
|
|
bool zeroForOne = false;
|
|
bytes memory protocolData = encodeUniswapV3Swap(
|
|
WETH_ADDR, DAI_ADDR, tychoRouterAddr, DAI_WETH_USV3, zeroForOne
|
|
);
|
|
bytes memory swap = encodeSwap(
|
|
uint8(0),
|
|
uint8(1),
|
|
uint24(0),
|
|
address(usv3Executor),
|
|
bytes4(0),
|
|
protocolData
|
|
);
|
|
|
|
bytes[] memory swaps = new bytes[](1);
|
|
swaps[0] = swap;
|
|
|
|
tychoRouter.exposedSwap(amountIn, 2, pleEncode(swaps));
|
|
|
|
uint256 finalBalance = IERC20(DAI_ADDR).balanceOf(tychoRouterAddr);
|
|
assertGe(finalBalance, expAmountOut);
|
|
}
|
|
}
|