feat: version 3.1

.github/workflows/release.yml

@@ -2,8 +2,7 @@ name: Release
 
 on:
   push:
-    branches:
-      - "main"
+    branches: ["main", "next"]
 
 env:
   HUSKY: 0

.gitignore

@@ -1,5 +1,20 @@
-/node_modules
-/forge-out
-.DS_Store
-cache
+# Dependencies
+node_modules/
+
+# Compiler files
+cache/
+out/
+
+# Ignores development broadcast logs
+!/broadcast
+/broadcast/*/31337/
+/broadcast/**/dry-run/
+
+# Docs
+docs/
+
+# Dotenv file
 .env
+
+# Logs
+*.log

.gitmodules

@@ -1,3 +1,10 @@
-[submodule "lib/forge-std"]
-	path = lib/forge-std
-	url = https://github.com/foundry-rs/forge-std
+[submodule "lib/@gearbox-protocol/core-v3"]
+	path = lib/@gearbox-protocol/core-v3
+	url = https://github.com/Gearbox-protocol/core-v3
+	branch = next
+[submodule "lib/@gearbox-protocol/sdk-gov"]
+	path = lib/@gearbox-protocol/sdk-gov
+	url = https://github.com/Gearbox-protocol/sdk-gov
+[submodule "lib/@solady"]
+	path = lib/@solady
+	url = https://github.com/Vectorized/solady

.prettierignore

@@ -1,5 +1,3 @@
 node_modules
-artifacts
 cache
-types
-forge-out
+out

.releaserc.json

@@ -2,6 +2,11 @@
   "branches": [
     {
       "name": "main"
+    },
+    {
+      "name": "next",
+      "channel": "next",
+      "prerelease": "next"
     }
   ],
   "plugins": [

.vscode/settings.json

@@ -5,14 +5,12 @@
   "[solidity]": {
     "editor.defaultFormatter": "JuanBlanco.solidity"
   },
-
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true,
   "editor.tabSize": 4,
-  "eslint.validate": ["javascript", "typescript"],
   "files.eol": "\n",
   "solidity.formatter": "forge",
   "solidity.packageDefaultDependenciesContractsDirectory": "contracts",
-  "solidity.packageDefaultDependenciesDirectory": "node_modules",
-  "solidity.compileUsingRemoteVersion": "v0.8.17"
+  "solidity.packageDefaultDependenciesDirectory": "lib",
+  "solidity.compileUsingRemoteVersion": "v0.8.23"
 }

contracts/interfaces/ILPPriceFeed.sol

@@ -1,47 +1,39 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
-import {IPriceFeed} from "@gearbox-protocol/core-v2/contracts/interfaces/IPriceFeed.sol";
+import {IPriceFeed} from "@gearbox-protocol/core-v3/contracts/interfaces/base/IPriceFeed.sol";
+
+/// @title LP price feed interface
+interface ILPPriceFeed is IPriceFeed {
+    // ------ //
+    // EVENTS //
+    // ------ //
 
-interface ILPPriceFeedEvents {
     /// @notice Emitted when new LP token exchange rate bounds are set
     event SetBounds(uint256 lowerBound, uint256 upperBound);
 
-    /// @notice Emitted when permissionless bounds update is allowed or forbidden
-    event SetUpdateBoundsAllowed(bool allowed);
-}
+    // ------ //
+    // ERRORS //
+    // ------ //
 
-interface ILPPriceFeedExceptions {
     /// @notice Thrown when trying to set exchange rate lower bound to zero
     error LowerBoundCantBeZeroException();
 
     /// @notice Thrown when exchange rate falls below lower bound during price calculation
     ///         or new boudns don't contain exchange rate during bounds update
     error ExchangeRateOutOfBoundsException();
 
-    /// @notice Thrown when trying to call `updateBounds` while it's not allowed
-    error UpdateBoundsNotAllowedException();
-
-    /// @notice Thrown when trying to call `updateBounds` before cooldown since the last update has passed
-    error UpdateBoundsBeforeCooldownException();
-
-    /// @notice Thrown when price oracle's reserve price feed is the LP price feed itself
-    error ReserveFeedMustNotBeSelfException();
-}
-
-/// @title LP price feed interface
-interface ILPPriceFeed is IPriceFeed, ILPPriceFeedEvents, ILPPriceFeedExceptions {
-    function priceOracle() external view returns (address);
+    // ------- //
+    // GETTERS //
+    // ------- //
 
     function lpToken() external view returns (address);
     function lpContract() external view returns (address);
 
     function lowerBound() external view returns (uint256);
     function upperBound() external view returns (uint256);
-    function updateBoundsAllowed() external view returns (bool);
-    function lastBoundsUpdate() external view returns (uint40);
 
     function getAggregatePrice() external view returns (int256 answer);
     function getLPExchangeRate() external view returns (uint256 exchangeRate);
@@ -51,8 +43,5 @@ interface ILPPriceFeed is IPriceFeed, ILPPriceFeedEvents, ILPPriceFeedExceptions
     // CONFIGURATION //
     // ------------- //
 
-    function allowBoundsUpdate() external;
-    function forbidBoundsUpdate() external;
     function setLimiter(uint256 newLowerBound) external;
-    function updateBounds(bytes calldata updateData) external;
 }

contracts/interfaces/LICENSE

@@ -1,4 +1,4 @@
-(c) Gearbox Foundation, 2023.
+(c) Gearbox Foundation, 2024.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

contracts/interfaces/balancer/IBalancerStablePool.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IBalancerStablePool {
     function getRate() external view returns (uint256);

contracts/interfaces/balancer/IBalancerVault.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IBalancerVault {
     function getPoolTokens(bytes32 poolId)

contracts/interfaces/balancer/IBalancerWeightedPool.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IBalancerWeightedPool {
     function getRate() external view returns (uint256);

contracts/interfaces/curve/ICurvePool.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface ICurvePool {
     function get_virtual_price() external view returns (uint256);

contracts/interfaces/curve/IstETHPoolGateway.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IstETHPoolGateway {
     function pool() external view returns (address);

contracts/interfaces/lido/IwstETH.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IwstETH {
     function stETH() external view returns (address);

contracts/interfaces/mellow/IMellowChainlinkOracle.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
 // (c) Gearbox Foundation, 2024.
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.23;
 
 interface IMellowChainlinkOracle {
     function baseTokens(address vault) external view returns (address);

contracts/interfaces/mellow/IMellowVault.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
 // (c) Gearbox Foundation, 2024.
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.23;
 
 import {IMellowVaultConfigurator} from "./IMellowVaultConfigurator.sol";
 

contracts/interfaces/mellow/IMellowVaultConfigurator.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
 // (c) Gearbox Foundation, 2024.
-pragma solidity ^0.8.17;
+pragma solidity ^0.8.23;
 
 import {IMellowChainlinkOracle} from "./IMellowChainlinkOracle.sol";
 

contracts/interfaces/pendle/IPendleMarket.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+// Gearbox Protocol. Generalized leverage for DeFi protocols
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
+
+interface IPendleMarket {
+    function observe(uint32[] calldata secondsAgos) external view returns (uint216[] memory);
+
+    function expiry() external view returns (uint256);
+
+    function readTokens() external view returns (address, address, address);
+}

contracts/interfaces/pendle/IPendleTokens.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MIT
+// Gearbox Protocol. Generalized leverage for DeFi protocols
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.17;
+
+interface IPendleYT {
+    function doCacheIndexSameBlock() external view returns (bool);
+    function pyIndexLastUpdatedBlock() external view returns (uint256);
+    function pyIndexStored() external view returns (uint256);
+}
+
+interface IPendleSY {
+    function exchangeRate() external view returns (uint256);
+}

contracts/interfaces/pyth/IPyth.sol

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+// Gearbox Protocol. Generalized leverage for DeFi protocols
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
+
+import {PythStructs} from "./PythStructs.sol";
+
+interface IPyth {
+    function updatePriceFeeds(bytes[] calldata updateData) external payable;
+    function getPriceUnsafe(bytes32 id) external view returns (PythStructs.Price memory price);
+    function latestPriceInfoPublishTime(bytes32 priceFeedId) external view returns (uint64);
+    function getUpdateFee(bytes[] calldata updateData) external view returns (uint256 feeAmount);
+}

contracts/interfaces/pyth/PythStructs.sol

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+// Gearbox Protocol. Generalized leverage for DeFi protocols
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
+
+contract PythStructs {
+    struct Price {
+        int64 price;
+        uint64 conf;
+        int32 expo;
+        uint256 publishTime;
+    }
+}

contracts/interfaces/yearn/IYVault.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Gearbox Protocol. Generalized leverage for DeFi protocols
-// (c) Gearbox Foundation, 2023.
-pragma solidity ^0.8.17;
+// (c) Gearbox Foundation, 2024.
+pragma solidity ^0.8.23;
 
 interface IYVault {
     function token() external view returns (address);