Add rsweth

src/adapters/rswETH/RswETHAdapter.sol

@@ -0,0 +1,43 @@
+pragma solidity >=0.8.25;
+
+import { Adapter } from "@/adapters/Adapter.sol";
+import { IswETH, IswEXIT } from "@/adapters/swETH/ISwell.sol";
+import { wrap, unwrap } from "@prb/math/UD60x18.sol";
+import { SafeTransferLib } from "solady/utils/SafeTransferLib.sol";
+
+address constant RSWETH_TOKEN = 0xFAe103DC9cf190eD75350761e95403b7b8aFa6c0;
+address constant RSWEXIT = 0x58749C46Ffe97e4d79508a2C781C440f4756f064;
+
+uint256 constant MIN_AMOUNT = 5_000_000_000_000_000; // 0.005 ETH
+uint256 constant MAX_AMOUNT = 500 ether;
+
+contract RswETHAdapter is Adapter {
+    function previewWithdraw(uint256 amount) external view returns (uint256) {
+        return wrap(amount).mul(wrap(IswETH(RSWETH_TOKEN).getRate())).unwrap();
+    }
+
+    function requestWithdraw(uint256 amount) external returns (uint256 tokenId, uint256 amountExpected) {
+        SafeTransferLib.safeApprove(RSWETH_TOKEN, RSWEXIT, amount);
+        amountExpected = wrap(amount).mul(wrap(IswETH(RSWETH_TOKEN).getRate())).unwrap();
+        IswEXIT(RSWEXIT).createWithdrawRequest(amount);
+        tokenId = IswEXIT(RSWEXIT).getLastTokenIdCreated();
+    }
+
+    function claimWithdraw(uint256 tokenId) external returns (uint256 amount) {
+        uint256 balBefore = address(this).balance;
+        IswEXIT(RSWEXIT).finalizeWithdrawal(tokenId);
+        amount = address(this).balance - balBefore;
+    }
+
+    function isFinalized(uint256 tokenId) external view returns (bool) {
+        return IswEXIT(RSWEXIT).getLastTokenIdProcessed() >= tokenId;
+    }
+
+    function totalStaked() external view returns (uint256) {
+        return wrap(IswETH(RSWETH_TOKEN).totalSupply()).mul(wrap(IswETH(RSWETH_TOKEN).getRate())).unwrap();
+    }
+
+    function minMaxAmount() external pure returns (uint256 min, uint256 max) {
+        return (MIN_AMOUNT, MAX_AMOUNT);
+    }
+}

test/adapters/RswETHAdapter.t.sol

@@ -0,0 +1,38 @@
+pragma solidity >=0.8.25;
+
+import { Test, console } from "forge-std/Test.sol";
+import { VmSafe } from "forge-std/Vm.sol";
+import { IswETH, IswEXIT } from "@/adapters/swETH/ISwell.sol";
+import { RswETHAdapter, RSWETH_TOKEN } from "@/adapters/rswETH/RswETHAdapter.sol";
+import { ERC721Receiver } from "@/utils/ERC721Receiver.sol";
+import { ERC20 } from "solady/tokens/ERC20.sol";
+import { AdapterDelegateCall } from "@/adapters/Adapter.sol";
+
+address constant RSWETH_HOLDER = 0x3A0ee670EE34D889B52963bD20728dEcE4D9f8FE;
+
+//   tokenId 6550
+//   amountExpected 105898225379893452500
+//   totalStaked 197304164246212470306573
+
+contract SwEthAdapterTest is Test, ERC721Receiver {
+    RswETHAdapter adapter;
+
+    using AdapterDelegateCall for RswETHAdapter;
+
+    function setUp() public {
+        vm.createSelectFork(vm.envString("MAINNET_RPC"), 21_780_986);
+        adapter = new RswETHAdapter();
+        vm.startPrank(RSWETH_HOLDER);
+        ERC20(RSWETH_TOKEN).transfer(address(this), 1000 ether);
+        vm.stopPrank();
+    }
+
+    function test_request_and_claim() public {
+        bytes memory data = adapter._delegatecall(abi.encodeWithSelector(adapter.requestWithdraw.selector, 100 ether));
+        (uint256 tokenId, uint256 amountExpected) = abi.decode(data, (uint256, uint256));
+        console.log("tokenId %s", tokenId);
+        console.log("amountExpected %s", amountExpected);
+        console.log("totalStaked %s", adapter.totalStaked());
+        assertFalse(adapter.isFinalized(tokenId));
+    }
+}