Separate vault into a standalone contract

src/interfaces/ITtcLogic.sol

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity 0.8.20;
+
+import {Route, Token} from "../types/types.sol";
+
+interface ITtcLogic {
+    // Errors
+    error InvalidTokenList();
+    error MinimumAmountToMint();
+    error EmptyVault();
+    error InvalidRedemptionAmount();
+    error RedemptionTransferFailed();
+    error TreasuryTransferFailed();
+    error NoReentrancy();
+    error OnlyTreasury();
+    error RocketSwapMaxSlippageExceeded();
+    error InvalidWeights();
+    error PoolDoesNotExist();
+    error NegativePrice();
+    error NegativeTick();
+    error InvalidRoute();
+
+    // Events
+    /// @notice event for minting
+    event Minted(address indexed sender, uint256 ethAmount, uint256 ttcAmount);
+
+    /// @notice event for redeeming
+    event Redeemed(address indexed sender, uint256 ttcAmount);
+
+    /// @notice event for rebalancing
+    event Rebalanced(Token[10] _newTokens);
+
+    // Methods
+    /// @notice mint tokens for msg.value to msg.sender
+    function mint() external payable;
+
+    /// @notice Return constituents to msg.sender and burn
+    function redeem(uint256 _ttcAmount) external;
+
+    /// @notice Rebalance the vault
+    function rebalance(Token[10] calldata _newTokens, Route[10][] calldata routes) external payable;
+}

src/interfaces/ITtcVault.sol

@@ -1,43 +1,14 @@
-// SPDX-License-Identifier: GPL-3.0
-
+// SPDX-License-Identifier: GPL-3.0-or-later
 pragma solidity 0.8.20;
 
-import {Route, Token} from "../types/types.sol";
-
+import {Token} from "../types/types.sol";
 interface ITtcVault {
-    // Errors
-    error InvalidTokenList();
-    error MinimumAmountToMint();
-    error EmptyVault();
-    error InvalidRedemptionAmount();
-    error RedemptionTransferFailed();
-    error TreasuryTransferFailed();
-    error NoReentrancy();
-    error OnlyTreasury();
-    error RocketSwapMaxSlippageExceeded();
-    error InvalidWeights();
-    error PoolDoesNotExist();
-    error NegativePrice();
-    error NegativeTick();
-    error InvalidRoute();
-
-    // Events
-    /// @notice event for minting
-    event Minted(address indexed sender, uint256 ethAmount, uint256 ttcAmount);
-
-    /// @notice event for redeeming
-    event Redeemed(address indexed sender, uint256 ttcAmount);
-
-    /// @notice event for rebalancing
-    event Rebalanced(Token[10] _newTokens);
-
-    // Methods
-    /// @notice mint tokens for msg.value to msg.sender
-    function mint() external payable;
-
-    /// @notice Return constituents to msg.sender and burn
-    function redeem(uint256 _ttcAmount) external;
-
-    /// @notice Rebalance the vault
-    function rebalance(Token[10] calldata _newTokens, Route[10][] calldata routes) external payable;
+    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
+    event TtcLogicContractSet(address indexed ttcLogicContract);
+    event SpendApproved(address indexed token, address indexed spender, uint256 amount);
+    event Approval(address indexed owner, address indexed spender, uint256 value);
+
+    function transferOwnership(address _newOwner) external;
+    function setTtcLogicContract(address _ttcLogicContract) external;
+    function approveSpendToLogicContract(Token[10] calldata tokens) external;
 }

test/TtcTestContext.sol

@@ -3,7 +3,7 @@
 pragma solidity 0.8.20;
 
 import "forge-std/Test.sol";
-import "../src/TtcVault.sol";
+import "../src/TtcLogic.sol";
 import "../src/types/types.sol";
 
 contract TtcTestContext is Test {
@@ -39,7 +39,7 @@ contract TtcTestContext is Test {
     address constant RENDER_ADDRESS = address(0x6De037ef9aD2725EB40118Bb1702EBb27e4Aeb24);
     address constant AAVE_ADDRESS = address(0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9);
 
-    TtcVault public vault;
+    TtcLogic public logic;
     Token[10] public tokens;
 
     function calculateOptimalREthRoute(uint256 _amountIn) public returns (uint[2] memory portions, uint amountOut) {
@@ -59,23 +59,23 @@ contract TtcTestContext is Test {
     }
 
 
-    function getVaultBalances() public view returns (TokenBalance[10] memory) {
+    function getlogicBalances() public view returns (TokenBalance[10] memory) {
         TokenBalance[10] memory balances;
         for (uint8 i; i < 10; i++) {
-            (, address tokenAddress) = vault.constituentTokens(i);
+            (, address tokenAddress) = logic.constituentTokens(i);
             uint256 balance = IERC20(tokenAddress).balanceOf(
-                address(vault)
+                address(logic)
             );
             balances[i] = TokenBalance(tokenAddress, balance);
         }
         return balances;
     }
 
-    function printVaultBalances() public view {
-        console.log("Vault Balances:");
+    function printlogicBalances() public view {
+        console.log("logic Balances:");
         for (uint8 i; i < 10; i++) {
             uint256 balance = IERC20(tokens[i].tokenAddress).balanceOf(
-                address(vault)
+                address(logic)
             );
             console.log(tokens[i].tokenAddress, "-", balance);
         }