add PT-USDe-27Nov25 tests (#125)

Author: 0xtj24

test/marketForkTests/PendlePTUSDe27Nov25MarketForkTest.t.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import "forge-std/Test.sol";
+import "./MarketBaseForkTest.sol";
+import {NavBeforeMaturityFeed} from "src/feeds/NavBeforeMaturityFeed.sol";
+import {ChainlinkBasePriceFeed} from "src/feeds/ChainlinkBasePriceFeed.sol";
+import {FeedSwitch} from "src/util/FeedSwitch.sol";
+import {PendleNAVFeed} from "src/feeds/PendleNAVFeed.sol";
+
+contract PendlePTUSDe27Nov25MarketForkTest is MarketBaseForkTest {
+    address pendlePT = address(0x62C6E813b9589C3631Ba0Cdb013acdB8544038B7); // PT USDe 27 Nov 25
+    address pendlePTHolder =
+        address(0xAc5CE72d29836f41d235F643F6f0190E8c12db8A);
+
+    ChainlinkBasePriceFeed usdeWrappedFeed = ChainlinkBasePriceFeed(0xB3C1D801A02d88adC96A294123c2Daa382345058); // USDe/USD wrapped
+    NavBeforeMaturityFeed beforeMaturityFeed;
+    ChainlinkBasePriceFeed afterMaturityFeed = ChainlinkBasePriceFeed(0xB3C1D801A02d88adC96A294123c2Daa382345058);
+    address navFeed;
+
+    uint256 baseDiscount = 0.20 ether; // 20%
+    FeedSwitch feedSwitch;
+
+    address feedAddr; //FeedSwitch
+    address marketAddr;
+
+    function setUp() public virtual {
+        //This will fail if there's no mainnet variable in foundry.toml
+        string memory url = vm.rpcUrl("mainnet");
+        vm.createSelectFork(url, 23225429);
+
+        feedAddr = _deployFeed();
+
+        marketAddr = address(
+            new Market(
+                gov,
+                lender,
+                pauseGuardian,
+                simpleERC20EscrowAddr,
+                IDolaBorrowingRights(dbrAddr),
+                IERC20(pendlePT),
+                IOracle(oracleAddr),
+                9150,
+                5000,
+                500,
+                false
+            )
+        );
+        _advancedInit(marketAddr, feedAddr, false);
+    }
+
+    function _deployFeed() internal returns (address feed) {
+        navFeed = address(new PendleNAVFeed(pendlePT, baseDiscount)); 
+        beforeMaturityFeed = new NavBeforeMaturityFeed(
+            address(usdeWrappedFeed),
+            address(navFeed)
+        );
+
+        feedSwitch = new FeedSwitch(
+            address(navFeed),
+            address(beforeMaturityFeed),
+            address(afterMaturityFeed),
+            18 hours,
+            pendlePT,
+            pauseGuardian
+        );
+        return address(feedSwitch);
+    }
+
+    // Override the function to use the PendlePTHolder to avoid error revert: stdStorage find(StdStorage): Slot(s) not found
+    function gibCollateral(
+        address _address,
+        uint _amount
+    ) internal virtual override {
+        vm.prank(pendlePTHolder);
+        IERC20(pendlePT).transfer(_address, _amount);
+    }
+}

test/util/FeedSwitchNavUSDe27Nov25.t.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.18;
+
+import {FeedSwitch, IChainlinkFeed} from "src/util/FeedSwitch.sol";
+import {BaseFeedSwitchNavForkTest} from "test/util/BaseFeedSwitchNavFork.t.sol";
+import {NavBeforeMaturityFeed} from "src/feeds/NavBeforeMaturityFeed.sol";
+import {PendleNAVFeed} from "src/feeds/PendleNAVFeed.sol";
+import {console2} from "forge-std/console2.sol";
+
+contract FeedSwitchNavUSDe27Nov25Test is BaseFeedSwitchNavForkTest {
+    address usdeWrapper = address(0xB3C1D801A02d88adC96A294123c2Daa382345058);
+    NavBeforeMaturityFeed _beforeMaturityFeed;
+    address _afterMaturityFeed = address(0xB3C1D801A02d88adC96A294123c2Daa382345058); // USDe Chainlink Wrapper
+    address _pendlePT = address(0x62C6E813b9589C3631Ba0Cdb013acdB8544038B7); // PT USDe 27 Nov 25
+    uint256 _baseDiscount = 0.22 ether; // 22% 
+
+    function setUp() public {
+        string memory url = vm.rpcUrl("mainnet");
+        vm.createSelectFork(url);
+
+        PendleNAVFeed _navFeed = new PendleNAVFeed(_pendlePT, _baseDiscount);
+        _beforeMaturityFeed = new NavBeforeMaturityFeed(usdeWrapper,address(_navFeed)); // USDeBeforeMaturityFeed: USDe/USD Feed using USDe Chainlink wrapper and NAV
+
+        initialize(address(_beforeMaturityFeed), address(_afterMaturityFeed), _pendlePT , _baseDiscount, address(_navFeed));
+    }
+}