76aa419320
- CCIP/trustless bridge contracts, GRU tokens, DEX/PMM tests, reserve vault. - Token-aggregation service routes, planner, chain config, relay env templates. - Config snapshots and multi-chain deployment markdown updates. - gitignore services/btc-intake/dist/ (tsc output); do not track dist. Run forge build && forge test before deploy (large solc graph). Made-with: Cursor
58 lines
1.9 KiB
Solidity
58 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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import {Test} from "forge-std/Test.sol";
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import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import {UniswapV3ExternalUnwinder} from "../../contracts/flash/UniswapV3ExternalUnwinder.sol";
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contract UniswapV3ExternalUnwinderForkTest is Test {
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address constant UNISWAP_V3_ROUTER = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
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address constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
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address constant USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
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address constant CWUSDC = 0x2de5F116bFcE3d0f922d9C8351e0c5Fc24b9284a;
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bool public forkAvailable;
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UniswapV3ExternalUnwinder internal unwinder;
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function setUp() public {
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string memory rpcUrl = vm.envOr("ETHEREUM_MAINNET_RPC", string(""));
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if (bytes(rpcUrl).length == 0) {
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forkAvailable = false;
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return;
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}
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try vm.createSelectFork(rpcUrl) {
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forkAvailable = true;
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} catch {
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forkAvailable = false;
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return;
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}
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unwinder = new UniswapV3ExternalUnwinder(UNISWAP_V3_ROUTER);
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}
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modifier skipIfNoFork() {
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if (!forkAvailable) {
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return;
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}
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_;
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}
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function testFork_knownRoute_WETHToUSDC_singleHopWorks() public skipIfNoFork {
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deal(WETH, address(unwinder), 1 ether);
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uint256 before = IERC20(USDC).balanceOf(address(this));
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uint256 amountOut = unwinder.unwind(WETH, USDC, 1 ether, 1, abi.encode(uint24(3000)));
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uint256 afterBal = IERC20(USDC).balanceOf(address(this));
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assertGt(amountOut, 0, "amountOut > 0");
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assertEq(afterBal - before, amountOut, "USDC received");
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}
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function testFork_cWUSDCToUSDC_routeUnavailableOnUniswapV3() public skipIfNoFork {
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deal(CWUSDC, address(unwinder), 1_000_000);
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vm.expectRevert();
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unwinder.unwind(CWUSDC, USDC, 1_000_000, 1, abi.encode(uint24(3000)));
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}
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}
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