IPoolManager.sol

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.24;
pragma abicoder v2;

interface IPoolManager {
    struct PoolKey {
        address token0;
        address token1;
        uint32 index;
    }

    function getPools() external view returns (PoolKey[] memory pools);

    function getTokens() external view returns (address[] memory tokens);

    function getTokenPools(
        address token
    ) external view returns (PoolKey[] memory pools);

    struct PoolInfo {
        // the current protocol fee as a percentage of the swap fee taken on withdrawal
        // represented as an integer denominator (1/x)%
        uint8 feeProtocol;
        // tick range
        int24 tickLower;
        int24 tickUpper;
        // the current tick
        int24 tick;
        // the current price
        uint160 sqrtPriceX96;
    }

    function getPoolInfo(
        address token0,
        address token1,
        uint32 index
    ) external view returns (PoolInfo memory poolInfo);

    struct CreateAndInitializeParams {
        address token0;
        address token1;
        uint24 fee;
        int24 tickLower;
        int24 tickUpper;
        uint160 sqrtPriceX96;
    }

    function createAndInitializePoolIfNecessary(
        CreateAndInitializeParams calldata params
    ) external payable returns (address pool, uint32 index);
}