lib_sol8->lib_uniswap

lib_uniswap/v3-periphery/contracts/interfaces/IPoolInitializer.sol

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.7.5;
+pragma abicoder v2;
+
+/// @title Creates and initializes V3 Pools
+/// @notice Provides a method for creating and initializing a pool, if necessary, for bundling with other methods that
+/// require the pool to exist.
+interface IPoolInitializer {
+    /// @notice Creates a new pool if it does not exist, then initializes if not initialized
+    /// @dev This method can be bundled with others via IMulticall for the first action (e.g. mint) performed against a pool
+    /// @param token0 The contract address of token0 of the pool
+    /// @param token1 The contract address of token1 of the pool
+    /// @param fee The fee amount of the v3 pool for the specified token pair
+    /// @param sqrtPriceX96 The initial square root price of the pool as a Q64.96 value
+    /// @return pool Returns the pool address based on the pair of tokens and fee, will return the newly created pool address if necessary
+    function createAndInitializePoolIfNecessary(
+        address token0,
+        address token1,
+        uint24 fee,
+        uint160 sqrtPriceX96
+    ) external payable returns (address pool);
+}