using System;

using System.IO;

using System.Text.Json;

using SimpleBase;

public class Program

{

    public static void Main()

    {

        var guid1 = Guid.Parse("c904ffc2-3824-44b8-a8f4-5c7870613c6f");

        var guid2 = Guid.Parse("2d3b72f9-fad0-439d-a4a5-25cde11eca84");

        var encryptor = new Base58Encryptor();

        encryptor.TryEncodeGuids(guid1, guid1, out string base58Output);

        Console.WriteLine(base58Output);

    }

}

​

internal sealed class Base58Encryptor

{

    public bool TryEncodeGuids(Guid gatewayId, Guid orderId, out string base58Output)

    {

        Span<byte> data = stackalloc byte[32];

        gatewayId.TryWriteBytes(data);

        orderId.TryWriteBytes(data[16..]);

​

        int safeCount = Base58.Bitcoin.GetSafeCharCountForEncoding(data);

        Span<char> base58Encoded = stackalloc char[safeCount];

        bool encodeSucceed = Base58.Bitcoin.TryEncode(data, base58Encoded, out int numCharsWritten);

        base58Output = base58Encoded[..numCharsWritten].ToString();

        return encodeSucceed;

    }

​

    public bool TryDecodeGuids(ReadOnlySpan<char> input, out Guid gatewayId, out Guid orderId)

    {

        int safeCount = Base58.Bitcoin.GetSafeByteCountForDecoding(input);

        Span<byte> base58Decoded = stackalloc byte[safeCount];

        bool decodeSucceed = Base58.Bitcoin.TryDecode(input, base58Decoded, out _);

        if (!decodeSucceed)

        {

            gatewayId = Guid.Empty;

            orderId = Guid.Empty;

            return false;

        }

​

        try

        {

            gatewayId = new Guid(base58Decoded[..16]);

            orderId = new Guid(base58Decoded[16..32]);

            return true;

        }

        catch (ArgumentException)

        {

            gatewayId = Guid.Empty;

            orderId = Guid.Empty;

            return false;

        }

    }

}