feat: Vault manager with permissioned liquidations (#208)

* first batch of test done

* update final hash of vaultManager implementation

* changing whitelist

* feat: add tests for whitelisted vault

* vaultManager for IB01

* fix: comments for liquidations

* add USDC collateral

* feat: add debt ceiling vault

* feat: vaultManager deployment

---------

Co-authored-by: gs8nrv <[email protected]>

Author: sogipec

.gitignore

@@ -48,7 +48,6 @@ bin
 
 # temporary delete
 typechain/cacheIndex.ts
-contracts/mock/MockEulerReactor.sol
 
 # foundry
 /out

.solcover.js

@@ -13,7 +13,6 @@ module.exports = {
     'oracle/implementations/',
     // Router here is a copy pasta of the router in another repo
     'router',
-    'reactor/BaseReactorStorage.sol',
     'vaultManager/VaultManagerStorage.sol',
     'keeperMulticall/KeeperMulticall.sol',
   ],

.solhint.json

@@ -2,14 +2,25 @@
   "extends": "solhint:recommended",
   "plugins": ["prettier"],
   "rules": {
-    "prettier/prettier": "warning",
+    "avoid-call-value": "warn",
+    "avoid-low-level-calls": "off",
+    "avoid-tx-origin": "warn",
+    "const-name-snakecase": "warn",
+    "contract-name-camelcase": "warn",
+    "imports-on-top": "warn",
+    "prettier/prettier": "off",
     "ordering": "off",
+    "max-states-count": "off",
     "mark-callable-contracts": "off",
     "no-empty-blocks": "off",
+    "no-global-import": "off",
     "not-rely-on-time": "off",
     "compiler-version": "off",
-    "private-vars-leading-underscore": "error",
+    "private-vars-leading-underscore": "warn",
+    "reentrancy": "warn",
+    "no-inline-assembly": "off",
+    "no-complex-fallback": "off",
     "reason-string": "off",
-    "func-visibility": ["error", { "ignoreConstructors": true }]
+    "func-visibility": ["warn", { "ignoreConstructors": true }]
   }
 }

contracts/mock/MockReactor.sol

@@ -99,8 +99,8 @@ abstract contract BaseOracleChainlinkMulti is IOracle {
             revert InvalidChainlinkRate();
         uint256 castedRatio = uint256(ratio);
         // Checking whether we should multiply or divide by the ratio computed
-        if (multiplied == 1) return (quoteAmount * castedRatio) / (10**decimals);
-        else return (quoteAmount * (10**decimals)) / castedRatio;
+        if (multiplied == 1) return (quoteAmount * castedRatio) / (10 ** decimals);
+        else return (quoteAmount * (10 ** decimals)) / castedRatio;
     }
 
     // ======================= Governance Related Functions ========================

contracts/oracle/BaseOracleChainlinkMulti.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity ^0.8.12;
+
+import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
+
+import "../../../BaseOracleChainlinkMultiTwoFeeds.sol";
+
+/// @title OracleIB01EURChainlink
+/// @author Angle Labs, Inc.
+/// @notice Gives the price of IB01 in Euro in base 18
+contract OracleIB01EURChainlink is BaseOracleChainlinkMultiTwoFeeds {
+    string public constant DESCRIPTION = "IB01/EUR Oracle";
+
+    constructor(uint32 _stalePeriod, address _treasury) BaseOracleChainlinkMultiTwoFeeds(_stalePeriod, _treasury) {}
+
+    /// @inheritdoc IOracle
+    function circuitChainlink() public pure override returns (AggregatorV3Interface[] memory) {
+        AggregatorV3Interface[] memory _circuitChainlink = new AggregatorV3Interface[](2);
+        // Oracle IB01/USD
+        _circuitChainlink[0] = AggregatorV3Interface(0x788D911ae7c95121A89A0f0306db65D87422E1de);
+        // Oracle EUR/USD
+        _circuitChainlink[1] = AggregatorV3Interface(0xb49f677943BC038e9857d61E7d053CaA2C1734C1);
+        return _circuitChainlink;
+    }
+}

contracts/oracle/implementations/mainnet/EUR/OracleIB01EURChainlink.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity ^0.8.12;
+
+import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
+
+import "../../../BaseOracleChainlinkMultiTwoFeeds.sol";
+
+/// @title OracleUSDCEURChainlink
+/// @author Angle Labs, Inc.
+/// @notice Gives the price of USDC in Euro in base 18
+contract OracleUSDCEURChainlink is BaseOracleChainlinkMultiTwoFeeds {
+    string public constant DESCRIPTION = "USDC/EUR Oracle";
+
+    constructor(uint32 _stalePeriod, address _treasury) BaseOracleChainlinkMultiTwoFeeds(_stalePeriod, _treasury) {}
+
+    /// @inheritdoc IOracle
+    function circuitChainlink() public pure override returns (AggregatorV3Interface[] memory) {
+        AggregatorV3Interface[] memory _circuitChainlink = new AggregatorV3Interface[](2);
+        // Oracle USDC/USD
+        _circuitChainlink[0] = AggregatorV3Interface(0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6);
+        // Oracle EUR/USD
+        _circuitChainlink[1] = AggregatorV3Interface(0xb49f677943BC038e9857d61E7d053CaA2C1734C1);
+        return _circuitChainlink;
+    }
+}