feat: add balancer v2 executor

2025-01-27 22:54:56 +05:30
parent 0e0c13b169
commit a700189aaf
98 changed files with 6368 additions and 1 deletions
--- a/foundry/lib/balancer-labs/v2-interfaces/contracts/standalone-utils/ISilo.sol
+++ b/foundry/lib/balancer-labs/v2-interfaces/contracts/standalone-utils/ISilo.sol
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity >=0.7.0 <0.9.0;
+pragma experimental ABIEncoderV2;
+
+import "./IShareToken.sol";
+
+interface IBaseSilo {
+    /// Storage struct that holds all required data for a single token market
+    struct AssetStorage {
+        // Token that represents a share in totalDeposits of Silo
+        IShareToken collateralToken;
+        // Token that represents a share in collateralOnlyDeposits of Silo
+        IShareToken collateralOnlyToken;
+        // Token that represents a share in totalBorrowAmount of Silo
+        IShareToken debtToken;
+        // COLLATERAL: Amount of asset token that has been deposited to Silo with interest earned by depositors.
+        // It also includes token amount that has been borrowed.
+        uint256 totalDeposits;
+        // COLLATERAL ONLY: Amount of asset token that has been deposited to Silo that can ONLY be used
+        // as collateral. These deposits do NOT earn interest and CANNOT be borrowed.
+        uint256 collateralOnlyDeposits;
+        // DEBT: Amount of asset token that has been borrowed with accrued interest.
+        uint256 totalBorrowAmount;
+    }
+
+    /**
+     * @dev returns the asset storage struct
+     * @dev AssetStorage struct contains necessary information for calculating shareToken exchange rates
+     */
+    function assetStorage(address _asset) external view returns (AssetStorage memory);
+}
+
+interface ISilo is IBaseSilo {
+    /**
+     * @dev Deposits funds into the Silo
+     * @param _asset The address of the token to deposit
+     * @param _depositor The address of the recipient of collateral tokens
+     * @param _amount The amount of the token to deposit
+     * @param _collateralOnly: True means your shareToken is protected (cannot be swapped for interest)
+     * @return collateralAmount deposited amount
+     * @return collateralShare user collateral shares based on deposited amount
+     */
+    function depositFor(
+        address _asset,
+        address _depositor,
+        uint256 _amount,
+        bool _collateralOnly
+    ) external returns (uint256 collateralAmount, uint256 collateralShare);
+
+    /**
+     * @dev Withdraw `_amount` of `_asset` tokens from the Silo to `msg.sender`
+     * @param _asset The address of the token to withdraw
+     * @param _amount The amount of the token to withdraw
+     * @param _collateralOnly True if withdrawing collateral only deposit
+     * @return withdrawnAmount withdrawn amount that was transferred to user
+     * @return withdrawnShare burned share based on `withdrawnAmount`
+     */
+    function withdraw(
+        address _asset,
+        uint256 _amount,
+        bool _collateralOnly
+    ) external returns (uint256 withdrawnAmount, uint256 withdrawnShare);
+}