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// SPDX-License-Identifier: BCOM
pragma solidity =0.8.14;
import "./IERC20.sol";
import "./ISwapsFactory.sol";
import "./ISwapsCallee.sol";
import "./SwapsERC20.sol";
contract SwapsPair is SwapsERC20 {
    uint224 constant Q112 = 2 ** 112;
    uint112 constant UINT112_MAX = type(uint112).max;
    uint256 public constant MINIMUM_LIQUIDITY = 10 ** 3;
    bytes4 private constant SELECTOR = bytes4(
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// SPDX-License-Identifier: BCOM
pragma solidity =0.8.14;
interface IERC20 {
    function balanceOf(
        address _owner
    )
        external
        view
        returns (uint256);
}
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// SPDX-License-Identifier: BCOM
pragma solidity =0.8.14;
interface ISwapsCallee {
    function swapsCall(
        address _sender,
        uint256 _amount0,
        uint256 _amount1,
        bytes calldata _data
    )
        external;
}
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// SPDX-License-Identifier: BCOM
pragma solidity =0.8.14;
interface ISwapsFactory {
    function feeTo()
        external
        view
        returns (address);
    function feeToSetter()
        external
        view
        returns (address);
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// SPDX-License-Identifier: BCOM
pragma solidity =0.8.14;
contract SwapsERC20 {
    string public constant name = "Verse Exchange";
    string public constant symbol = "VERSE-X";
    uint8 public constant decimals = 18;
    address constant ZERO_ADDRESS = address(0);
    uint256 constant UINT256_MAX = type(uint256).max;
    uint256 public totalSupply;
    mapping(address => uint256) public balanceOf;
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