Abstract strategy gas improvements (#1719) (#1724)

* Abstract strategy gas improvements (#1719)

Author: naddison36

contracts/contracts/strategies/AaveStrategy.sol

@@ -22,21 +22,24 @@ contract AaveStrategy is InitializableAbstractStrategy {
     IAaveIncentivesController public incentivesController;
     IAaveStakedToken public stkAave;
 
+    /**
+     * @param _stratConfig The platform and OToken vault addresses
+     */
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * Initializer for setting up strategy internal state. This overrides the
      * InitializableAbstractStrategy initializer as AAVE needs several extra
      * addresses for the rewards program.
-     * @param _platformAddress Address of the AAVE pool
-     * @param _vaultAddress Address of the vault
      * @param _rewardTokenAddresses Address of the AAVE token
      * @param _assets Addresses of supported assets
      * @param _pTokens Platform Token corresponding addresses
      * @param _incentivesAddress Address of the AAVE incentives controller
      * @param _stkAaveAddress Address of the stkAave contract
      */
     function initialize(
-        address _platformAddress, // AAVE pool
-        address _vaultAddress,
         address[] calldata _rewardTokenAddresses, // AAVE
         address[] calldata _assets,
         address[] calldata _pTokens,
@@ -46,8 +49,6 @@ contract AaveStrategy is InitializableAbstractStrategy {
         incentivesController = IAaveIncentivesController(_incentivesAddress);
         stkAave = IAaveStakedToken(_stkAaveAddress);
         InitializableAbstractStrategy._initialize(
-            _platformAddress,
-            _vaultAddress,
             _rewardTokenAddresses,
             _assets,
             _pTokens

contracts/contracts/strategies/BaseConvexMetaStrategy.sol

@@ -18,15 +18,14 @@ import { Helpers } from "../utils/Helpers.sol";
 abstract contract BaseConvexMetaStrategy is BaseCurveStrategy {
     using StableMath for uint256;
     using SafeERC20 for IERC20;
+
     event MaxWithdrawalSlippageUpdated(
         uint256 _prevMaxSlippagePercentage,
         uint256 _newMaxSlippagePercentage
     );
 
     // used to circumvent the stack too deep issue
     struct InitConfig {
-        address platformAddress; //Address of the Curve 3pool
-        address vaultAddress; //Address of the vault
         address cvxDepositorAddress; //Address of the Convex depositor(AKA booster) for this pool
         address metapoolAddress; //Address of the Curve MetaPool
         address metapoolMainToken; //Address of Main metapool token
@@ -82,13 +81,7 @@ abstract contract BaseConvexMetaStrategy is BaseCurveStrategy {
         metapoolAssets = [metapool.coins(0), metapool.coins(1)];
         crvCoinIndex = _getMetapoolCoinIndex(pTokenAddress);
         mainCoinIndex = _getMetapoolCoinIndex(initConfig.metapoolMainToken);
-        super._initialize(
-            initConfig.platformAddress,
-            initConfig.vaultAddress,
-            _rewardTokenAddresses,
-            _assets,
-            _pTokens
-        );
+        super._initialize(_rewardTokenAddresses, _assets, _pTokens);
         _approveBase();
     }
 

contracts/contracts/strategies/CompoundStrategy.sol

@@ -9,14 +9,18 @@ pragma solidity ^0.8.0;
 import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 
 import { ICERC20 } from "./ICompound.sol";
-import { BaseCompoundStrategy } from "./BaseCompoundStrategy.sol";
+import { BaseCompoundStrategy, InitializableAbstractStrategy } from "./BaseCompoundStrategy.sol";
 import { IComptroller } from "../interfaces/IComptroller.sol";
 import { IERC20 } from "../utils/InitializableAbstractStrategy.sol";
 
 contract CompoundStrategy is BaseCompoundStrategy {
     using SafeERC20 for IERC20;
     event SkippedWithdrawal(address asset, uint256 amount);
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * @dev Collect accumulated COMP and send to Harvester.
      */

contracts/contracts/strategies/ConvexEthMetaStrategy.sol

@@ -38,14 +38,17 @@ contract ConvexEthMetaStrategy is InitializableAbstractStrategy {
     // used to circumvent the stack too deep issue
     struct InitializeConfig {
         address curvePoolAddress; //Address of the Curve pool
-        address vaultAddress; //Address of the vault
         address cvxDepositorAddress; //Address of the Convex depositor(AKA booster) for this pool
         address oethAddress; //Address of OETH token
         address cvxRewardStakerAddress; //Address of the CVX rewards staker
         address curvePoolLpToken; //Address of metapool LP token
         uint256 cvxDepositorPTokenId; //Pid of the pool referred to by Depositor and staker
     }
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * Initializer for setting up strategy internal state. This overrides the
      * InitializableAbstractStrategy initializer as Curve strategies don't fit
@@ -75,13 +78,7 @@ contract ConvexEthMetaStrategy is InitializableAbstractStrategy {
         ethCoinIndex = uint128(_getCoinIndex(ETH_ADDRESS));
         oethCoinIndex = uint128(_getCoinIndex(initConfig.oethAddress));
 
-        super._initialize(
-            initConfig.curvePoolAddress,
-            initConfig.vaultAddress,
-            _rewardTokenAddresses,
-            _assets,
-            _pTokens
-        );
+        super._initialize(_rewardTokenAddresses, _assets, _pTokens);
 
         /* needs to be called after super._initialize so that the platformAddress
          * is correctly set

contracts/contracts/strategies/ConvexGeneralizedMetaStrategy.sol

@@ -12,14 +12,18 @@ import "@openzeppelin/contracts/utils/Strings.sol";
 import { IRewardStaking } from "./IRewardStaking.sol";
 import { IConvexDeposits } from "./IConvexDeposits.sol";
 import { ICurvePool } from "./ICurvePool.sol";
-import { IERC20 } from "./BaseCurveStrategy.sol";
+import { IERC20, InitializableAbstractStrategy } from "./BaseCurveStrategy.sol";
 import { BaseConvexMetaStrategy } from "./BaseConvexMetaStrategy.sol";
 import { StableMath } from "../utils/StableMath.sol";
 
 contract ConvexGeneralizedMetaStrategy is BaseConvexMetaStrategy {
     using StableMath for uint256;
     using SafeERC20 for IERC20;
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /* Take 3pool LP and deposit it to metapool. Take the LP from metapool
      * and deposit them to Convex.
      */

contracts/contracts/strategies/ConvexOUSDMetaStrategy.sol

@@ -13,7 +13,7 @@ import "@openzeppelin/contracts/utils/math/Math.sol";
 import { IRewardStaking } from "./IRewardStaking.sol";
 import { IConvexDeposits } from "./IConvexDeposits.sol";
 import { ICurvePool } from "./ICurvePool.sol";
-import { IERC20 } from "./BaseCurveStrategy.sol";
+import { IERC20, InitializableAbstractStrategy } from "./BaseCurveStrategy.sol";
 import { BaseConvexMetaStrategy } from "./BaseConvexMetaStrategy.sol";
 import { StableMath } from "../utils/StableMath.sol";
 import { IVault } from "../interfaces/IVault.sol";
@@ -22,6 +22,10 @@ contract ConvexOUSDMetaStrategy is BaseConvexMetaStrategy {
     using StableMath for uint256;
     using SafeERC20 for IERC20;
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /* Take 3pool LP and mint the corresponding amount of ousd. Deposit and stake that to
      * ousd Curve Metapool. Take the LP from metapool and deposit them to Convex.
      */

contracts/contracts/strategies/ConvexStrategy.sol

@@ -11,7 +11,7 @@ import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.s
 import { ICurvePool } from "./ICurvePool.sol";
 import { IRewardStaking } from "./IRewardStaking.sol";
 import { IConvexDeposits } from "./IConvexDeposits.sol";
-import { IERC20, BaseCurveStrategy } from "./BaseCurveStrategy.sol";
+import { IERC20, BaseCurveStrategy, InitializableAbstractStrategy } from "./BaseCurveStrategy.sol";
 import { StableMath } from "../utils/StableMath.sol";
 import { Helpers } from "../utils/Helpers.sol";
 
@@ -32,12 +32,14 @@ contract ConvexStrategy is BaseCurveStrategy {
     address public _deprecated_cvxRewardTokenAddress;
     uint256 internal cvxDepositorPTokenId;
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * Initializer for setting up strategy internal state. This overrides the
      * InitializableAbstractStrategy initializer as Curve strategies don't fit
      * well within that abstraction.
-     * @param _platformAddress Address of the Curve 3pool
-     * @param _vaultAddress Address of the vault
      * @param _rewardTokenAddresses Address of CRV & CVX
      * @param _assets Addresses of supported assets. MUST be passed in the same
      *                order as returned by coins on the pool contract, i.e.
@@ -48,8 +50,6 @@ contract ConvexStrategy is BaseCurveStrategy {
      * @param _cvxDepositorPTokenId Pid of the pool referred to by Depositor and staker
      */
     function initialize(
-        address _platformAddress, // 3Pool address
-        address _vaultAddress,
         address[] calldata _rewardTokenAddresses, // CRV + CVX
         address[] calldata _assets,
         address[] calldata _pTokens,
@@ -65,13 +65,7 @@ contract ConvexStrategy is BaseCurveStrategy {
         cvxDepositorPTokenId = _cvxDepositorPTokenId;
         pTokenAddress = _pTokens[0];
 
-        super._initialize(
-            _platformAddress,
-            _vaultAddress,
-            _rewardTokenAddresses,
-            _assets,
-            _pTokens
-        );
+        super._initialize(_rewardTokenAddresses, _assets, _pTokens);
         _approveBase();
     }
 

contracts/contracts/strategies/FraxETHStrategy.sol

@@ -8,10 +8,9 @@ pragma solidity ^0.8.0;
  */
 import { IERC4626 } from "../../lib/openzeppelin/interfaces/IERC4626.sol";
 import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
-import { IERC20 } from "../utils/InitializableAbstractStrategy.sol";
 import { IWETH9 } from "../interfaces/IWETH9.sol";
 import { IFraxETHMinter } from "../interfaces/IFraxETHMinter.sol";
-import { Generalized4626Strategy } from "./Generalized4626Strategy.sol";
+import { Generalized4626Strategy, IERC20 } from "./Generalized4626Strategy.sol";
 
 contract FraxETHStrategy is Generalized4626Strategy {
     using SafeERC20 for IERC20;
@@ -21,6 +20,10 @@ contract FraxETHStrategy is Generalized4626Strategy {
     IFraxETHMinter public constant fraxETHMinter =
         IFraxETHMinter(0xbAFA44EFE7901E04E39Dad13167D089C559c1138);
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        Generalized4626Strategy(_stratConfig)
+    {}
+
     function _deposit(address _asset, uint256 _amount) internal override {
         require(_amount > 0, "Must deposit something");
 

contracts/contracts/strategies/Generalized4626Strategy.sol

@@ -19,6 +19,10 @@ contract Generalized4626Strategy is InitializableAbstractStrategy {
     // For future use
     uint256[50] private __gap;
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * @dev Deposit assets by converting them to shares
      * @param _asset Address of asset to deposit

contracts/contracts/strategies/MorphoAaveStrategy.sol

@@ -19,26 +19,22 @@ contract MorphoAaveStrategy is InitializableAbstractStrategy {
     using SafeERC20 for IERC20;
     using StableMath for uint256;
 
+    constructor(BaseStrategyConfig memory _stratConfig)
+        InitializableAbstractStrategy(_stratConfig)
+    {}
+
     /**
      * @dev Initialize function, to set up initial internal state
-     * @param _vaultAddress Address of the Vault
      * @param _rewardTokenAddresses Address of reward token for platform
      * @param _assets Addresses of initial supported assets
      * @param _pTokens Platform Token corresponding addresses
      */
     function initialize(
-        address _vaultAddress,
         address[] calldata _rewardTokenAddresses,
         address[] calldata _assets,
         address[] calldata _pTokens
-    ) external onlyGovernor initializer {
-        super._initialize(
-            MORPHO,
-            _vaultAddress,
-            _rewardTokenAddresses,
-            _assets,
-            _pTokens
-        );
+    ) external override onlyGovernor initializer {
+        super._initialize(_rewardTokenAddresses, _assets, _pTokens);
     }
 
     /**