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/pool-weighted/IExternalWeightedMath.sol
+++ b/foundry/lib/balancer-labs/v2-interfaces/contracts/pool-weighted/IExternalWeightedMath.sol
@@ -0,0 +1,203 @@
+// 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;
+
+/**
+ * @notice Interface for ExternalWeightedMath, a contract-wrapper for Weighted Math, Joins and Exits.
+ */
+interface IExternalWeightedMath {
+    /**
+     * @dev See `WeightedMath._calculateInvariant`.
+     */
+    function calculateInvariant(uint256[] memory normalizedWeights, uint256[] memory balances)
+        external
+        pure
+        returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcOutGivenIn`.
+     */
+    function calcOutGivenIn(
+        uint256 balanceIn,
+        uint256 weightIn,
+        uint256 balanceOut,
+        uint256 weightOut,
+        uint256 amountIn
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcInGivenOut`.
+     */
+    function calcInGivenOut(
+        uint256 balanceIn,
+        uint256 weightIn,
+        uint256 balanceOut,
+        uint256 weightOut,
+        uint256 amountOut
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcBptOutGivenExactTokensIn`.
+     */
+    function calcBptOutGivenExactTokensIn(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256[] memory amountsIn,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcBptOutGivenExactTokenIn`.
+     */
+    function calcBptOutGivenExactTokenIn(
+        uint256 balance,
+        uint256 normalizedWeight,
+        uint256 amountIn,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcTokenInGivenExactBptOut`.
+     */
+    function calcTokenInGivenExactBptOut(
+        uint256 balance,
+        uint256 normalizedWeight,
+        uint256 bptAmountOut,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcAllTokensInGivenExactBptOut`.
+     */
+    function calcAllTokensInGivenExactBptOut(
+        uint256[] memory balances,
+        uint256 bptAmountOut,
+        uint256 totalBPT
+    ) external pure returns (uint256[] memory);
+
+    /**
+     * @dev See `WeightedMath._calcBptInGivenExactTokensOut`.
+     */
+    function calcBptInGivenExactTokensOut(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256[] memory amountsOut,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcBptInGivenExactTokenOut`.
+     */
+    function calcBptInGivenExactTokenOut(
+        uint256 balance,
+        uint256 normalizedWeight,
+        uint256 amountOut,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcTokenOutGivenExactBptIn`.
+     */
+    function calcTokenOutGivenExactBptIn(
+        uint256 balance,
+        uint256 normalizedWeight,
+        uint256 bptAmountIn,
+        uint256 bptTotalSupply,
+        uint256 swapFeePercentage
+    ) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedMath._calcTokensOutGivenExactBptIn`.
+     */
+    function calcTokensOutGivenExactBptIn(
+        uint256[] memory balances,
+        uint256 bptAmountIn,
+        uint256 totalBPT
+    ) external pure returns (uint256[] memory);
+
+    /**
+     * @dev See `WeightedMath._calcBptOutAddToken`.
+     */
+    function calcBptOutAddToken(uint256 totalSupply, uint256 normalizedWeight) external pure returns (uint256);
+
+    /**
+     * @dev See `WeightedJoinsLib.joinExactTokensInForBPTOut`.
+     */
+    function joinExactTokensInForBPTOut(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256[] memory scalingFactors,
+        uint256 totalSupply,
+        uint256 swapFeePercentage,
+        bytes memory userData
+    ) external pure returns (uint256, uint256[] memory);
+
+    /**
+     * @dev See `WeightedJoinsLib.joinTokenInForExactBPTOut`.
+     */
+    function joinTokenInForExactBPTOut(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256 totalSupply,
+        uint256 swapFeePercentage,
+        bytes memory userData
+    ) external pure returns (uint256, uint256[] memory);
+
+    /**
+     * @dev See `WeightedJoinsLib.joinAllTokensInForExactBPTOut`.
+     */
+    function joinAllTokensInForExactBPTOut(
+        uint256[] memory balances,
+        uint256 totalSupply,
+        bytes memory userData
+    ) external pure returns (uint256 bptAmountOut, uint256[] memory amountsIn);
+
+    /**
+     * @dev See `WeightedExitsLib.exitExactBPTInForTokenOut`.
+     */
+    function exitExactBPTInForTokenOut(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256 totalSupply,
+        uint256 swapFeePercentage,
+        bytes memory userData
+    ) external pure returns (uint256, uint256[] memory);
+
+    /**
+     * @dev See `WeightedExitsLib.exitExactBPTInForTokensOut`.
+     */
+    function exitExactBPTInForTokensOut(
+        uint256[] memory balances,
+        uint256 totalSupply,
+        bytes memory userData
+    ) external pure returns (uint256 bptAmountIn, uint256[] memory amountsOut);
+
+    /**
+     * @dev See `WeightedExitsLib.exitBPTInForExactTokensOut`.
+     */
+    function exitBPTInForExactTokensOut(
+        uint256[] memory balances,
+        uint256[] memory normalizedWeights,
+        uint256[] memory scalingFactors,
+        uint256 totalSupply,
+        uint256 swapFeePercentage,
+        bytes memory userData
+    ) external pure returns (uint256, uint256[] memory);
+}