| | | 1 | | using System.Buffers; |
| | | 2 | | using System.Runtime.Serialization; |
| | | 3 | | using NLightning.Domain.Protocol.Interfaces; |
| | | 4 | | |
| | | 5 | | namespace NLightning.Infrastructure.Serialization.Payloads; |
| | | 6 | | |
| | | 7 | | using Converters; |
| | | 8 | | using Domain.Bitcoin.ValueObjects; |
| | | 9 | | using Domain.Channels.ValueObjects; |
| | | 10 | | using Domain.Enums; |
| | | 11 | | using Domain.Money; |
| | | 12 | | using Domain.Protocol.Payloads; |
| | | 13 | | using Domain.Serialization.Interfaces; |
| | | 14 | | using Exceptions; |
| | | 15 | | |
| | | 16 | | public class TxAddOutputPayloadSerializer : IPayloadSerializer<TxAddOutputPayload> |
| | | 17 | | { |
| | | 18 | | private readonly IValueObjectSerializerFactory _valueObjectSerializerFactory; |
| | | 19 | | |
| | 4 | 20 | | public TxAddOutputPayloadSerializer(IValueObjectSerializerFactory valueObjectSerializerFactory) |
| | | 21 | | { |
| | 4 | 22 | | _valueObjectSerializerFactory = valueObjectSerializerFactory; |
| | 4 | 23 | | } |
| | | 24 | | |
| | | 25 | | public async Task SerializeAsync(IMessagePayload payload, Stream stream) |
| | | 26 | | { |
| | 4 | 27 | | if (payload is not TxAddOutputPayload txAddOutputPayload) |
| | 0 | 28 | | throw new SerializationException($"Payload is not of type {nameof(TxAddOutputPayload)}"); |
| | | 29 | | |
| | | 30 | | // Get the value object serializer |
| | 4 | 31 | | var channelIdSerializer = |
| | 4 | 32 | | _valueObjectSerializerFactory.GetSerializer<ChannelId>() |
| | 4 | 33 | | ?? throw new SerializationException($"No serializer found for value object type {nameof(ChannelId)}"); |
| | 4 | 34 | | await channelIdSerializer.SerializeAsync(txAddOutputPayload.ChannelId, stream); |
| | | 35 | | |
| | 4 | 36 | | await stream.WriteAsync(EndianBitConverter.GetBytesBigEndian(txAddOutputPayload.SerialId)); |
| | 4 | 37 | | await stream.WriteAsync(EndianBitConverter.GetBytesBigEndian(txAddOutputPayload.Amount.Satoshi)); |
| | 4 | 38 | | await stream.WriteAsync(EndianBitConverter.GetBytesBigEndian((ushort)txAddOutputPayload.Script.Length)); |
| | 4 | 39 | | await stream.WriteAsync(txAddOutputPayload.Script); |
| | 4 | 40 | | } |
| | | 41 | | |
| | | 42 | | public async Task<TxAddOutputPayload?> DeserializeAsync(Stream stream) |
| | | 43 | | { |
| | 4 | 44 | | var buffer = ArrayPool<byte>.Shared.Rent(sizeof(ulong)); |
| | | 45 | | |
| | | 46 | | try |
| | | 47 | | { |
| | | 48 | | // Get the value object serializer |
| | 4 | 49 | | var channelIdSerializer = |
| | 4 | 50 | | _valueObjectSerializerFactory.GetSerializer<ChannelId>() |
| | 4 | 51 | | ?? throw new SerializationException($"No serializer found for value object type {nameof(ChannelId)}"); |
| | 4 | 52 | | var channelId = await channelIdSerializer.DeserializeAsync(stream); |
| | | 53 | | |
| | 4 | 54 | | var bytes = new byte[8]; |
| | 4 | 55 | | await stream.ReadExactlyAsync(bytes); |
| | 4 | 56 | | var serialId = EndianBitConverter.ToUInt64BigEndian(bytes); |
| | | 57 | | |
| | 4 | 58 | | bytes = new byte[8]; |
| | 4 | 59 | | await stream.ReadExactlyAsync(bytes); |
| | 4 | 60 | | var sats = LightningMoney.FromUnit(EndianBitConverter.ToUInt64BigEndian(bytes), LightningMoneyUnit.Satoshi); |
| | | 61 | | |
| | 4 | 62 | | bytes = new byte[2]; |
| | 4 | 63 | | await stream.ReadExactlyAsync(bytes); |
| | 4 | 64 | | var scriptLength = EndianBitConverter.ToUInt16BigEndian(bytes); |
| | | 65 | | |
| | 4 | 66 | | var scriptBytes = new byte[scriptLength]; |
| | 4 | 67 | | await stream.ReadExactlyAsync(scriptBytes); |
| | 4 | 68 | | var script = new BitcoinScript(scriptBytes); |
| | | 69 | | |
| | 4 | 70 | | return new TxAddOutputPayload(sats, channelId, script, serialId); |
| | | 71 | | } |
| | 0 | 72 | | catch (Exception e) |
| | | 73 | | { |
| | 0 | 74 | | throw new PayloadSerializationException($"Error deserializing {nameof(TxAddOutputPayload)}", e); |
| | | 75 | | } |
| | | 76 | | finally |
| | | 77 | | { |
| | 4 | 78 | | ArrayPool<byte>.Shared.Return(buffer); |
| | | 79 | | } |
| | 4 | 80 | | } |
| | | 81 | | |
| | | 82 | | async Task<IMessagePayload?> IPayloadSerializer.DeserializeAsync(Stream stream) |
| | | 83 | | { |
| | 0 | 84 | | return await DeserializeAsync(stream); |
| | 0 | 85 | | } |
| | | 86 | | } |