| | | 1 | | using System.Buffers; |
| | | 2 | | using System.Runtime.Serialization; |
| | | 3 | | using NLightning.Domain.Channels.ValueObjects; |
| | | 4 | | using NLightning.Domain.Protocol.Interfaces; |
| | | 5 | | using NLightning.Domain.Serialization.Interfaces; |
| | | 6 | | |
| | | 7 | | namespace NLightning.Infrastructure.Serialization.Payloads; |
| | | 8 | | |
| | | 9 | | using Converters; |
| | | 10 | | using Domain.Protocol.Payloads; |
| | | 11 | | using Exceptions; |
| | | 12 | | |
| | | 13 | | public class UpdateFeePayloadSerializer : IPayloadSerializer<UpdateFeePayload> |
| | | 14 | | { |
| | | 15 | | private readonly IValueObjectSerializerFactory _valueObjectSerializerFactory; |
| | | 16 | | |
| | 4 | 17 | | public UpdateFeePayloadSerializer(IValueObjectSerializerFactory valueObjectSerializerFactory) |
| | | 18 | | { |
| | 4 | 19 | | _valueObjectSerializerFactory = valueObjectSerializerFactory; |
| | 4 | 20 | | } |
| | | 21 | | |
| | | 22 | | public async Task SerializeAsync(IMessagePayload payload, Stream stream) |
| | | 23 | | { |
| | 4 | 24 | | if (payload is not UpdateFeePayload updateFeePayload) |
| | 0 | 25 | | throw new SerializationException($"Payload is not of type {nameof(UpdateFeePayload)}"); |
| | | 26 | | |
| | | 27 | | // Get the ChannelId serializer |
| | 4 | 28 | | var channelIdSerializer = |
| | 4 | 29 | | _valueObjectSerializerFactory.GetSerializer<ChannelId>() |
| | 4 | 30 | | ?? throw new SerializationException($"No serializer found for value object type {nameof(ChannelId)}"); |
| | 4 | 31 | | await channelIdSerializer.SerializeAsync(updateFeePayload.ChannelId, stream); |
| | | 32 | | |
| | 4 | 33 | | await stream.WriteAsync(EndianBitConverter.GetBytesBigEndian(updateFeePayload.FeeratePerKw)); |
| | 4 | 34 | | } |
| | | 35 | | |
| | | 36 | | public async Task<UpdateFeePayload?> DeserializeAsync(Stream stream) |
| | | 37 | | { |
| | 4 | 38 | | var buffer = ArrayPool<byte>.Shared.Rent(sizeof(uint)); |
| | | 39 | | |
| | | 40 | | try |
| | | 41 | | { |
| | | 42 | | // Get the ChannelId serializer |
| | 4 | 43 | | var channelIdSerializer = |
| | 4 | 44 | | _valueObjectSerializerFactory.GetSerializer<ChannelId>() |
| | 4 | 45 | | ?? throw new SerializationException($"No serializer found for value object type {nameof(ChannelId)}"); |
| | 4 | 46 | | var channelId = await channelIdSerializer.DeserializeAsync(stream); |
| | | 47 | | |
| | 4 | 48 | | await stream.ReadExactlyAsync(buffer.AsMemory()[..sizeof(uint)]); |
| | 4 | 49 | | var feeratePerKw = EndianBitConverter.ToUInt32BigEndian(buffer[..sizeof(uint)]); |
| | | 50 | | |
| | 4 | 51 | | return new UpdateFeePayload(channelId, feeratePerKw); |
| | | 52 | | } |
| | 0 | 53 | | catch (Exception e) |
| | | 54 | | { |
| | 0 | 55 | | throw new PayloadSerializationException($"Error deserializing {nameof(UpdateFeePayload)}", e); |
| | | 56 | | } |
| | | 57 | | finally |
| | | 58 | | { |
| | 4 | 59 | | ArrayPool<byte>.Shared.Return(buffer); |
| | | 60 | | } |
| | 4 | 61 | | } |
| | | 62 | | |
| | | 63 | | async Task<IMessagePayload?> IPayloadSerializer.DeserializeAsync(Stream stream) |
| | | 64 | | { |
| | 0 | 65 | | return await DeserializeAsync(stream); |
| | 0 | 66 | | } |
| | | 67 | | } |