feat: add balancer v2 executor

foundry/lib/balancer-labs/v2-interfaces/contracts/standalone-utils/IGearboxDieselToken.sol

@@ -0,0 +1,62 @@
+// 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;
+
+import "../solidity-utils/openzeppelin/IERC20.sol";
+
+interface IGearboxDieselToken is IERC20 {
+    /**
+     * @dev returns the address of the vault
+     */
+    function owner() external view returns (address);
+}
+
+interface IGearboxVault {
+    /**
+     * @dev returns the address of the underlying asset
+     */
+    function underlyingToken() external view returns (address);
+
+    /**
+     * @dev returns a 27 decimal fixed point 'ray' value so a rate of 1 is represented as 1e27
+     */
+    // solhint-disable-next-line func-name-mixedcase
+    function getDieselRate_RAY() external view returns (uint256);
+
+    /**
+     * @dev converts diesel token amount to main token amount
+     */
+    function fromDiesel(uint256) external view returns (uint256);
+
+    /**
+     * @dev converts main token amount to diesel token amount
+     */
+    function toDiesel(uint256) external view returns (uint256);
+
+    /**
+     * @dev Adds liquidity to pool and sends diesel (LP) tokens back to the liquidity provider
+     * The Referral code can be 0
+     */
+    function addLiquidity(
+        uint256 underlyingAmount,
+        address onBehalfOf,
+        uint256 referralCode
+    ) external;
+
+    /**
+     * @dev Removes liquidity from the pool and sends the underlying tokens to the `to` address
+     */
+    function removeLiquidity(uint256 dieselAmount, address to) external;
+}