| | | 1 | | using System.Runtime.Serialization; |
| | | 2 | | using NLightning.Domain.Protocol.Interfaces; |
| | | 3 | | using NLightning.Domain.Serialization.Interfaces; |
| | | 4 | | |
| | | 5 | | namespace NLightning.Infrastructure.Serialization.Messages.Types; |
| | | 6 | | |
| | | 7 | | using Domain.Protocol.Constants; |
| | | 8 | | using Domain.Protocol.Messages; |
| | | 9 | | using Domain.Protocol.Payloads; |
| | | 10 | | using Domain.Protocol.Tlv; |
| | | 11 | | using Exceptions; |
| | | 12 | | using Interfaces; |
| | | 13 | | |
| | | 14 | | public class ClosingSignedMessageTypeSerializer : IMessageTypeSerializer<ClosingSignedMessage> |
| | | 15 | | { |
| | | 16 | | private readonly IPayloadSerializerFactory _payloadSerializerFactory; |
| | | 17 | | private readonly ITlvConverterFactory _tlvConverterFactory; |
| | | 18 | | private readonly ITlvStreamSerializer _tlvStreamSerializer; |
| | | 19 | | |
| | 12 | 20 | | public ClosingSignedMessageTypeSerializer(IPayloadSerializerFactory payloadSerializerFactory, |
| | 12 | 21 | | ITlvConverterFactory tlvConverterFactory, |
| | 12 | 22 | | ITlvStreamSerializer tlvStreamSerializer) |
| | | 23 | | { |
| | 12 | 24 | | _payloadSerializerFactory = payloadSerializerFactory; |
| | 12 | 25 | | _tlvConverterFactory = tlvConverterFactory; |
| | 12 | 26 | | _tlvStreamSerializer = tlvStreamSerializer; |
| | 12 | 27 | | } |
| | | 28 | | |
| | | 29 | | public async Task SerializeAsync(IMessage message, Stream stream) |
| | | 30 | | { |
| | 4 | 31 | | if (message is not ClosingSignedMessage closingSignedMessage) |
| | 0 | 32 | | throw new SerializationException("Message is not of type ClosingSignedMessage"); |
| | | 33 | | |
| | | 34 | | // Get the payload serializer |
| | 4 | 35 | | var payloadTypeSerializer = _payloadSerializerFactory.GetSerializer(message.Type) |
| | 4 | 36 | | ?? throw new SerializationException("No serializer found for payload type"); |
| | 4 | 37 | | await payloadTypeSerializer.SerializeAsync(message.Payload, stream); |
| | | 38 | | |
| | | 39 | | // Serialize the TLV stream |
| | 4 | 40 | | await _tlvStreamSerializer.SerializeAsync(closingSignedMessage.Extension, stream); |
| | 4 | 41 | | } |
| | | 42 | | |
| | | 43 | | /// <summary> |
| | | 44 | | /// Deserialize a ClosingSignedMessage from a stream. |
| | | 45 | | /// </summary> |
| | | 46 | | /// <param name="stream">The stream to deserialize from.</param> |
| | | 47 | | /// <returns>The deserialized AcceptChannel2Message.</returns> |
| | | 48 | | /// <exception cref="MessageSerializationException">Error deserializing ClosingSignedMessage</exception> |
| | | 49 | | public async Task<ClosingSignedMessage> DeserializeAsync(Stream stream) |
| | | 50 | | { |
| | | 51 | | try |
| | | 52 | | { |
| | | 53 | | // Deserialize payload |
| | 8 | 54 | | var payloadSerializer = _payloadSerializerFactory.GetSerializer<ClosingSignedPayload>() |
| | 8 | 55 | | ?? throw new SerializationException("No serializer found for payload type"); |
| | 8 | 56 | | var payload = await payloadSerializer.DeserializeAsync(stream) |
| | 8 | 57 | | ?? throw new SerializationException("Error serializing payload"); |
| | | 58 | | |
| | | 59 | | // Deserialize extension |
| | 8 | 60 | | if (stream.Position >= stream.Length) |
| | 0 | 61 | | throw new SerializationException("Required extension is missing"); |
| | | 62 | | |
| | 8 | 63 | | var extension = await _tlvStreamSerializer.DeserializeAsync(stream); |
| | 4 | 64 | | if (extension is null || !extension.TryGetTlv(TlvConstants.FeeRange, out var baseFeeRangeTlv)) |
| | 0 | 65 | | throw new SerializationException("Required extension is missing"); |
| | | 66 | | |
| | 4 | 67 | | var tlvConverter = _tlvConverterFactory.GetConverter<FeeRangeTlv>() |
| | 4 | 68 | | ?? throw new SerializationException( |
| | 4 | 69 | | $"No serializer found for tlv type {nameof(FeeRangeTlv)}"); |
| | 4 | 70 | | var feeRangeTlv = tlvConverter.ConvertFromBase(baseFeeRangeTlv!); |
| | | 71 | | |
| | 4 | 72 | | return new ClosingSignedMessage(payload, feeRangeTlv); |
| | | 73 | | } |
| | 4 | 74 | | catch (SerializationException e) |
| | | 75 | | { |
| | 4 | 76 | | throw new MessageSerializationException("Error deserializing ClosingSignedMessage", e); |
| | | 77 | | } |
| | 4 | 78 | | } |
| | | 79 | | |
| | | 80 | | async Task<IMessage> IMessageTypeSerializer.DeserializeAsync(Stream stream) |
| | | 81 | | { |
| | 0 | 82 | | return await DeserializeAsync(stream); |
| | 0 | 83 | | } |
| | | 84 | | } |