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| // SPDX-License-Identifier: GPL-3.0 | ||
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| pragma solidity ^0.8.12; | ||
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| import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol"; | ||
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| import "../../BaseFeedPTPendle.sol"; | ||
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| /// @title MorphoFeedPTUSDe | ||
| /// @author Angle Labs, Inc. | ||
| /// @notice Gives the price of PT-USDe in ETH in base 18 | ||
| contract MorphoFeedPTUSDe is BaseFeedPTPendle { | ||
| string public constant description = "PT-USDe/USDe Oracle"; | ||
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| constructor( | ||
| IAccessControlManager accessControlManager, | ||
|
Check notice Code scanning / Slither Local variable shadowing Low |
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| uint256 _maxImpliedRate, | ||
| uint32 _twapDuration | ||
| ) BaseFeedPTPendle(accessControlManager, _maxImpliedRate, _twapDuration) {} | ||
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| /*////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| OVERRIDES | ||
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////*/ | ||
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| function asset() public pure override returns (address) { | ||
| return 0x4c9EDD5852cd905f086C759E8383e09bff1E68B3; | ||
| } | ||
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| function sy() public pure override returns (address) { | ||
| return 0x42862F48eAdE25661558AFE0A630b132038553D0; | ||
| } | ||
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| function maturity() public pure override returns (uint256) { | ||
| return 1721865600; | ||
| } | ||
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| function market() public pure override returns (address) { | ||
| return 0x19588F29f9402Bb508007FeADd415c875Ee3f19F; | ||
| } | ||
| } | ||
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| [profile.default] | ||
| evm_version = "shanghai" | ||
| src = 'contracts' | ||
| out = 'out' | ||
| test = 'test' | ||
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| // SPDX-License-Identifier: GPL-3.0 | ||
| pragma solidity ^0.8.17; | ||
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| import "forge-std/Script.sol"; | ||
| import { console } from "forge-std/console.sol"; | ||
| import { MorphoFeedPTUSDe } from "borrow-contracts/oracle/morpho/mainnet/MorphoFeedPTUSDe.sol"; | ||
| import "utils/src/CommonUtils.sol"; | ||
| import { IAccessControlManager } from "borrow-contracts/interfaces/IAccessControlManager.sol"; | ||
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| contract PTweETHOracleDeploy is Script, CommonUtils { | ||
| function run() external { | ||
| uint256 deployerPrivateKey = vm.envUint("DEPLOYER_PRIVATE_KEY"); | ||
| address deployer = vm.addr(deployerPrivateKey); | ||
| vm.startBroadcast(deployerPrivateKey); | ||
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| // TODO | ||
| uint256 chainId = CHAIN_ETHEREUM; | ||
| address coreBorrow = 0x5bc6BEf80DA563EBf6Df6D6913513fa9A7ec89BE; | ||
| uint32 _TWAP_DURATION = 30 minutes; | ||
| uint256 _MAX_IMPLIED_RATE = 0.5 ether; | ||
| // end TODO | ||
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| MorphoFeedPTUSDe oracle = new MorphoFeedPTUSDe( | ||
| IAccessControlManager(address(coreBorrow)), | ||
| _MAX_IMPLIED_RATE, | ||
| _TWAP_DURATION | ||
| ); | ||
| (, int256 answer, , , ) = oracle.latestRoundData(); | ||
| console.log("oracle value ", uint256(answer)); | ||
| console.log("Successfully deployed PT-weETH: ", address(oracle)); | ||
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| vm.stopBroadcast(); | ||
| } | ||
| } |
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.12; | ||
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| import "./MorphoFeedPTPendle.t.sol"; | ||
| import { MorphoFeedPTUSDe } from "borrow-contracts/oracle/morpho/mainnet/MorphoFeedPTUSDe.sol"; | ||
| import { IAccessControlManager } from "borrow-contracts/interfaces/IAccessControlManager.sol"; | ||
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| contract MorphoFeedPTUSDeTest is MorphoFeedPTPendleTest { | ||
| using stdStorage for StdStorage; | ||
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| function setUp() public override { | ||
| super.setUp(); | ||
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| _TWAP_DURATION = 30 minutes; | ||
| _STALE_PERIOD = 24 hours; | ||
| _MAX_IMPLIED_RATE = 0.5 ether; | ||
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| _oracle = BaseFeedPTPendle( | ||
| address(new MorphoFeedPTUSDe(IAccessControlManager(address(coreBorrow)), _MAX_IMPLIED_RATE, _TWAP_DURATION)) | ||
| ); | ||
| } | ||
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| /*////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| CORE LOGIC | ||
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////*/ | ||
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| function test_Description_Success() public { | ||
| assertEq(_oracle.description(), "PT-USDe/USDe Oracle"); | ||
| } | ||
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| function test_Simple_Success() public { | ||
| (, int256 answer, , , ) = _oracle.latestRoundData(); | ||
| uint256 value = uint256(answer); | ||
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| assertApproxEqAbs(value, 0.90 ether, 0.01 ether); | ||
| } | ||
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| function test_EconomicalLowerBound_tooSmall() public { | ||
| vm.prank(_governor); | ||
| _oracle.setMaxImpliedRate(uint256(1e1)); | ||
| uint256 pendleAMMPrice = PendlePtOracleLib.getPtToAssetRate(IPMarket(_oracle.market()), _TWAP_DURATION); | ||
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| (, int256 answer, , , ) = _oracle.latestRoundData(); | ||
| uint256 value = uint256(answer); | ||
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| assertEq(value, pendleAMMPrice); | ||
| } | ||
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| function test_AfterMaturity_Success() public { | ||
| // Adavnce to the PT maturity | ||
| vm.warp(_oracle.maturity()); | ||
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| uint256 pendleAMMPrice = PendlePtOracleLib.getPtToAssetRate(IPMarket(_oracle.market()), _TWAP_DURATION); | ||
| (, int256 answer, , , ) = _oracle.latestRoundData(); | ||
| uint256 value = uint256(answer); | ||
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| assertEq(value, pendleAMMPrice); | ||
| assertEq(value, 1 ether); | ||
| } | ||
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| function test_HackRemove_Success(uint256 slash) public { | ||
| slash = bound(slash, 1, BASE_18); | ||
| // Remove part of the SY backing collateral to simulate a hack | ||
| IERC20 weETH = IERC20(address(_oracle.asset())); | ||
| uint256 prevBalance = weETH.balanceOf(_oracle.sy()); | ||
| uint256 postBalance = (prevBalance * slash) / BASE_18; | ||
| deal(address(weETH), _oracle.sy(), postBalance); | ||
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| uint256 lowerBound = _economicLowerBound(_MAX_IMPLIED_RATE, _oracle.maturity()); | ||
| (, int256 answer, , , ) = _oracle.latestRoundData(); | ||
| uint256 value = uint256(answer); | ||
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| assertLe(value, (lowerBound * slash) / BASE_18); | ||
| if (slash > 0) assertGe(value, (lowerBound * (slash - 1)) / BASE_18); | ||
| } | ||
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| function test_HackExpand_Success(uint256 expand) public { | ||
| expand = bound(expand, BASE_18, BASE_18 * 1e7); | ||
| // Remove part of the SY backing collateral to simulate a hack | ||
| IERC20 weETH = IERC20(address(_oracle.asset())); | ||
| uint256 prevBalance = weETH.balanceOf(_oracle.sy()); | ||
| uint256 postBalance = (prevBalance * expand) / BASE_18; | ||
| deal(address(weETH), _oracle.sy(), postBalance); | ||
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| uint256 lowerBound = _economicLowerBound(_MAX_IMPLIED_RATE, _oracle.maturity()); | ||
| (, int256 answer, , , ) = _oracle.latestRoundData(); | ||
| uint256 value = uint256(answer); | ||
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| assertEq(value, lowerBound); | ||
| } | ||
| } |