Re-Add SingleBalancedVault and Tests

packages/perennial-vaults/contracts/interfaces/ISingleBalancedVault.sol

@@ -0,0 +1,73 @@
+//SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.13;
+
+import "@equilibria/perennial/contracts/interfaces/IController.sol";
+import "@equilibria/perennial/contracts/interfaces/ICollateral.sol";
+import "@equilibria/root/number/types/UFixed18.sol";
+
+interface ISingleBalancedVault {
+
+ /* BalancedVault Interface */
+
+ struct Version {
+ UFixed18 longPosition;
+ UFixed18 shortPosition;
+ UFixed18 totalShares;
+ UFixed18 longAssets;
+ UFixed18 shortAssets;
+ UFixed18 totalAssets;
+ }
+
+ struct VersionContext {
+ uint256 version;
+ UFixed18 latestCollateral;
+ UFixed18 latestShares;
+ }
+
+ event Deposit(address indexed sender, address indexed account, uint256 version, UFixed18 assets);
+ event Redemption(address indexed sender, address indexed account, uint256 version, UFixed18 shares);
+ event Claim(address indexed sender, address indexed account, UFixed18 assets);
+ event PositionUpdated(IProduct product, UFixed18 targetPosition);
+ event CollateralUpdated(IProduct product, UFixed18 targetCollateral);
+
+ error BalancedVaultDepositLimitExceeded();
+ error BalancedVaultRedemptionLimitExceeded();
+
+ function initialize(string memory name_, string memory symbol_) external;
+ function sync() external;
+ function controller() external view returns (IController);
+ function collateral() external view returns (ICollateral);
+ function long() external view returns (IProduct);
+ function short() external view returns (IProduct);
+ function targetLeverage() external view returns (UFixed18);
+ function maxCollateral() external view returns (UFixed18);
+ function unclaimed(address account) external view returns (UFixed18);
+ function totalUnclaimed() external view returns (UFixed18);
+ function claim(address account) external;
+
+ /* Partial ERC4626 Interface */
+
+ function asset() external view returns (Token18);
+ function totalAssets() external view returns (UFixed18);
+ function convertToShares(UFixed18 assets) external view returns (UFixed18);
+ function convertToAssets(UFixed18 shares) external view returns (UFixed18);
+ function maxDeposit(address account) external view returns (UFixed18);
+ function deposit(UFixed18 assets, address account) external;
+ function maxRedeem(address account) external view returns (UFixed18);
+ function redeem(UFixed18 shares, address account) external;
+
+ /* Partial ERC20 Interface */
+
+ event Transfer(address indexed from, address indexed to, UFixed18 value);
+ event Approval(address indexed account, address indexed spender, UFixed18 value);
+
+ function name() external view returns (string memory);
+ function symbol() external view returns (string memory);
+ function decimals() external view returns (uint8);
+ function totalSupply() external view returns (UFixed18);
+ function balanceOf(address account) external view returns (UFixed18);
+ function transfer(address to, UFixed18 amount) external returns (bool);
+ function allowance(address account, address spender) external view returns (UFixed18);
+ function approve(address spender, UFixed18 amount) external returns (bool);
+ function transferFrom(address from, address to, UFixed18 amount) external returns (bool);
+}