interface IStableSwap3Pool {
    function coins() external view returns (address[] memory);

    function fee() external view returns (uint256); // fee * 1e10

    function lp_token() external view returns (address);

    function A() external view returns (uint256);

    function A_precise() external view returns (uint256);

    function balances(uint256 i) external view returns (uint256);

    function get_virtual_price() external view returns (uint256);

    function calc_token_amount(uint256[3] memory _amounts, bool is_deposit) external view returns (uint256);

    function add_liquidity(uint256[3] memory _amounts, uint256 _min_mint_amount) external;

    function get_dy(
        int128 i,
        int128 j,
        uint256 dx
    ) external view returns (uint256);

    function get_dy_underlying(
        int128 i,
        int128 j,
        uint256 dx
    ) external view returns (uint256);

    function exchange(
        int128 i,
        int128 j,
        uint256 dx,
        uint256 min_dy
    ) external returns (uint256);

    function remove_liquidity(uint256 _amount, uint256[3] memory _min_amounts) external;

    function remove_liquidity_imbalance(uint256[3] memory _amounts, uint256 _max_burn_amount)
        external
        returns (uint256);

    function calc_withdraw_one_coin(uint256 _token_amount, int128 i) external view returns (uint256);

    function remove_liquidity_one_coin(
        uint256 _token_amount,
        int128 i,
        uint256 _min_amount
    ) external;
}
// Not a complete interface, but should have what we need
function lp_token() external view returns (address);

// fee * 1e10