feat: component base

src/contracts/child/QWComponentBase.sol

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: APACHE
+pragma solidity 0.8.23;
+
+import {IQWChild} from 'interfaces/IQWChild.sol';
+
+// TODO: Inherit and call in constructor of components.
+
+abstract contract QWComponentBase is IQWChild {
+    address public immutable QW_MANAGER;
+    address public immutable INVESTMENT_TOKEN;
+    address public immutable ASSET_TOKEN;
+
+    constructor(address _qwManager, address _investmentToken, address _assetToken) {
+        QW_MANAGER = _qwManager;
+        INVESTMENT_TOKEN = _investmentToken;
+        ASSET_TOKEN = _assetToken;
+    }
+
+    /**
+     * @notice Gets the address of the Quant Wealth Manager contract.
+     */
+    function getQWManager() external view override returns (address) {
+        return QW_MANAGER;
+    }
+
+    /**
+     * @notice Gets the address of the investment token, the token input and output for the contract.
+     */
+    function getInvestmentToken() external view override returns (address) {
+        return INVESTMENT_TOKEN;
+    }
+
+    /**
+     * @notice Gets the address of the asset token, the token that is purchased and sold using the investment token.
+     */
+    function getAssetToken() external view override returns (address) {
+        return ASSET_TOKEN;
+    }
+}

src/interfaces/IQWChild.sol

@@ -32,5 +32,17 @@ interface IQWChild {
    * @notice Gets the address of the Quant Wealth Manager contract.
    * @return address The address of the Quant Wealth Manager contract recorded in this child contract.
    */
-  function QW_MANAGER() external view returns (address);
+  function getQWManager() external view returns (address);
+
+  /**
+   * @notice Gets the address of the investment token, the token input and output for the contract.
+   * @return address The address of the investment token.
+   */
+  function getInvestmentToken() external view returns (address);
+
+  /**
+   * @notice Gets the address of the asset token, the token that is purchased and sold using the investment token.
+   * @return address The address of the asset token.
+   */
+  function getAssetToken() external view returns (address);
 }