IPositionsHelper

PositionHelper.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity <=0.8.20;

import "v3-periphery/interfaces/INonfungiblePositionManager.sol";
// https://github.com/Uniswap/v3-periphery/blob/0.8/contracts/interfaces/INonfungiblePositionManager.sol


interface IPositionsHelper {
    struct Position {
        uint96 nonce;
        address operator;
        address token0;
        address token1;
        uint24 fee;
        int24 tickLower;
        int24 tickUpper;
        uint128 liquidity;
        uint256 feeGrowthInside0LastX128;
        uint256 feeGrowthInside1LastX128;
        uint128 tokensOwed0;
        uint128 tokensOwed1;
    }

    function getTokenAmounts(address positionManager, uint256 lpTokenID)
        external
        returns (Position memory);
}

contract PositionsHelper is IPositionsHelper {
    function getTokenAmounts(address positionManager, uint256 lpTokenID)
        external
        returns (Position memory position)
    {
        {
            (,, position.token0, position.token1,,,,,,,,) =
                INonfungiblePositionManager(positionManager).positions(lpTokenID);
        }
    }
}