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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| using System.ComponentModel; | ||
| using Libplanet.Node.DataAnnotations; | ||
|
|
||
| namespace Libplanet.Node.Options; | ||
|
|
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| [Options(Position)] | ||
| public class PubsubSwarmOptions : OptionsBase<PubsubSwarmOptions> | ||
| { | ||
| public const string Position = "PubsubSwarm"; | ||
|
|
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| public bool Proposer { get; set; } | ||
|
|
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| public long BlockInterval { get; set; } = 4000; | ||
|
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| [PrivateKey] | ||
| [Description("The private key of the node.")] | ||
| public string PrivateKey { get; set; } = string.Empty; | ||
| } |
21 changes: 21 additions & 0 deletions
21
sdk/node/Libplanet.Node/Options/PubsubSwarmOptionsConfigurator.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| using Libplanet.Common; | ||
| using Libplanet.Crypto; | ||
| using Microsoft.Extensions.Logging; | ||
|
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| namespace Libplanet.Node.Options; | ||
|
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| internal sealed class PubsubSwarmOptionsConfigurator( | ||
| ILogger<PubsubSwarmOptionsConfigurator> logger) | ||
| : OptionsConfiguratorBase<PubsubSwarmOptions> | ||
| { | ||
| protected override void OnConfigure(PubsubSwarmOptions options) | ||
| { | ||
| if (options.PrivateKey == string.Empty) | ||
| { | ||
| options.PrivateKey = ByteUtil.Hex(new PrivateKey().ByteArray); | ||
| logger.LogWarning( | ||
| "Node's private key is not set. A new private key is generated: {PrivateKey}", | ||
| options.PrivateKey); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| using Libplanet.Net.Messages; | ||
|
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| namespace Libplanet.Node.Protocols; | ||
|
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| public static class MessageContentCodec | ||
| { | ||
| public static MessageContent Deserialize(byte[] bytes) | ||
| { | ||
| var rawFrames = bytes; | ||
| var type = rawFrames[0]; | ||
| rawFrames = rawFrames.Skip(1).ToArray(); | ||
| var dataFrames = new List<byte[]>(); | ||
| var frameCount = BitConverter.ToInt32(rawFrames[..4]); | ||
| rawFrames = rawFrames.Skip(4).ToArray(); | ||
| for (int i = 0; i < frameCount; i++) | ||
| { | ||
| var frameSize = BitConverter.ToInt32(rawFrames[..4]); | ||
| dataFrames.Add(rawFrames.Skip(4).Take(frameSize).ToArray()); | ||
| rawFrames = rawFrames.Skip(4 + frameSize).ToArray(); | ||
| } | ||
|
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| return NetMQMessageCodec.CreateMessage( | ||
| (MessageContent.MessageType)type, | ||
| dataFrames.ToArray()); | ||
| } | ||
|
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| public static byte[] Serialize(MessageContent messageContent) | ||
| { | ||
| IEnumerable<byte> ba = [(byte)messageContent.Type]; | ||
| ba = ba.Concat(BitConverter.GetBytes(messageContent.DataFrames.Count())); | ||
| foreach (var bytes in messageContent.DataFrames) | ||
| { | ||
| ba = ba.Concat(BitConverter.GetBytes(bytes.Length)); | ||
| ba = ba.Concat(bytes); | ||
| } | ||
|
|
||
| return ba.ToArray(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| using System.Buffers; | ||
| using Libplanet.Node.Services; | ||
| using Nethermind.Libp2p.Core; | ||
|
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| namespace Libplanet.Node.Protocols | ||
| { | ||
| internal class PingPongProtocol(IMessageChannel messageChannel) : IProtocol | ||
| { | ||
| public string Id => "/blockchain/ping-pong/1.0.0"; | ||
|
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| public async Task DialAsync( | ||
| IChannel downChannel, | ||
| IChannelFactory? upChannelFactory, | ||
| IPeerContext context) | ||
| { | ||
| TimeSpan elapsed = TimeSpan.Zero; | ||
|
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| // Keep connection for 5 seconds | ||
| while (elapsed < TimeSpan.FromSeconds(5)) | ||
| { | ||
| if (messageChannel.TryGetMessageToSend( | ||
| context.RemotePeer.Address, | ||
| out byte[]? msg)) | ||
| { | ||
| if (msg is not null) | ||
| { | ||
| await downChannel.WriteAsync( | ||
| new ReadOnlySequence<byte>(msg)); | ||
| ReadOnlySequence<byte> read = | ||
| await downChannel.ReadAsync(0, ReadBlockingMode.WaitAny).OrThrow(); | ||
| messageChannel.ReceiveMessage( | ||
| context.RemotePeer.Address, | ||
| read.ToArray(), | ||
| _ => { }); | ||
| } | ||
|
|
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| elapsed = TimeSpan.Zero; | ||
| } | ||
| else | ||
| { | ||
| await Task.Delay(50); | ||
| elapsed += TimeSpan.FromMilliseconds(50); | ||
| } | ||
| } | ||
| } | ||
|
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| public async Task ListenAsync( | ||
| IChannel downChannel, | ||
| IChannelFactory? upChannelFactory, | ||
| IPeerContext context) | ||
| { | ||
| while (true) | ||
| { | ||
| ReadOnlySequence<byte> read = | ||
| await downChannel.ReadAsync(0, ReadBlockingMode.WaitAny).OrThrow(); | ||
| messageChannel.ReceiveMessage( | ||
| context.RemotePeer.Address, | ||
| read.ToArray(), | ||
| msg => _ = | ||
| downChannel.WriteAsync( | ||
| new ReadOnlySequence<byte>(msg))); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| using Libplanet.Net.Messages; | ||
| using Libplanet.Node.Protocols; | ||
| using Multiformats.Address; | ||
|
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| namespace Libplanet.Node.Services; | ||
|
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| public interface IMessageChannel | ||
| { | ||
| EventHandler<(Multiaddress, byte[], Action<byte[]>)>? OnMessageReceived | ||
| { | ||
| get; | ||
| set; | ||
| } | ||
|
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| void SendMessage(Multiaddress address, byte[] message); | ||
|
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| void ReceiveMessage( | ||
| Multiaddress sender, | ||
| byte[] message, | ||
| Action<byte[]> callback); | ||
|
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| bool TryGetMessageToSend(Multiaddress address, out byte[]? message); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited | ||
| // SPDX-License-Identifier: MIT | ||
|
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| using System.Collections.Concurrent; | ||
| using Multiformats.Address; | ||
|
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| namespace Libplanet.Node.Services; | ||
|
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| public class MessageChannel : IMessageChannel | ||
| { | ||
| private readonly ConcurrentDictionary<Multiaddress, ConcurrentBag<byte[]>> | ||
| _messagesToSend = new(); | ||
|
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| public EventHandler<(Multiaddress, byte[], Action<byte[]>)>? OnMessageReceived | ||
| { | ||
| get; | ||
| set; | ||
| } | ||
|
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| public void SendMessage(Multiaddress address, byte[] message) | ||
| { | ||
| if (!_messagesToSend.TryGetValue(address, out ConcurrentBag<byte[]>? bag)) | ||
| { | ||
| bag = []; | ||
| _messagesToSend.TryAdd(address, bag); | ||
| } | ||
|
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| bag.Add(message); | ||
| } | ||
|
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| public void ReceiveMessage( | ||
| Multiaddress sender, | ||
| byte[] message, | ||
| Action<byte[]> callback) | ||
| { | ||
| OnMessageReceived?.Invoke(this, (sender, message, callback)); | ||
| } | ||
|
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| public bool TryGetMessageToSend(Multiaddress address, out byte[]? message) | ||
| { | ||
| if (_messagesToSend.TryGetValue(address, out ConcurrentBag<byte[]>? bag)) | ||
| { | ||
| if (bag.IsEmpty) | ||
| { | ||
| message = null; | ||
| return false; | ||
| } | ||
|
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| return bag.TryTake(out message); | ||
| } | ||
|
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| message = null; | ||
| return false; | ||
| } | ||
| } |
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