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Allow take snapshot in LocalNode #2311

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Allow take snapshot in LocalNode #2311

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25 changes: 11 additions & 14 deletions src/neo/Network/P2P/LocalNode.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ namespace Neo.Network.P2P
{
public class LocalNode : Peer
{
public class GetSnapshot { }
public class Snapshot { public IReadOnlyDictionary<IActorRef, RemoteNode> RemoteNodes { get; init; } public IReadOnlyCollection<IPEndPoint> UnconnectedPeers { get; init; } }
public class RelayDirectly { public IInventory Inventory; }
public class SendDirectly { public IInventory Inventory; }

Expand All @@ -24,8 +26,6 @@ public class SendDirectly { public IInventory Inventory; }
private readonly NeoSystem system;
internal readonly ConcurrentDictionary<IActorRef, RemoteNode> RemoteNodes = new ConcurrentDictionary<IActorRef, RemoteNode>();

public int ConnectedCount => RemoteNodes.Count;
public int UnconnectedCount => UnconnectedPeers.Count;
public static readonly uint Nonce;
public static string UserAgent { get; set; }

Expand Down Expand Up @@ -116,7 +116,7 @@ internal static IPEndPoint GetIpEndPoint(string hostAndPort)
/// </summary>
/// <param name="actor">Remote node actor</param>
/// <param name="node">Remote node</param>
public bool AllowNewConnection(IActorRef actor, RemoteNode node)
internal bool AllowNewConnection(IActorRef actor, RemoteNode node)
{
if (node.Version.Magic != system.Settings.Magic) return false;
if (node.Version.Nonce == Nonce) return false;
Expand All @@ -132,16 +132,6 @@ public bool AllowNewConnection(IActorRef actor, RemoteNode node)
return true;
}

public IEnumerable<RemoteNode> GetRemoteNodes()
{
return RemoteNodes.Values;
}

public IEnumerable<IPEndPoint> GetUnconnectedPeers()
{
return UnconnectedPeers;
}

/// <summary>
/// Override of abstract class that is triggered when <see cref="UnconnectedPeers"/> is empty.
/// Performs a BroadcastMessage with the command `MessageCommand.GetAddr`, which, eventually, tells all known connections.
Expand All @@ -151,7 +141,7 @@ public IEnumerable<IPEndPoint> GetUnconnectedPeers()
protected override void NeedMorePeers(int count)
{
count = Math.Max(count, MaxCountFromSeedList);
if (ConnectedPeers.Count > 0)
if (!ConnectedPeers.IsEmpty)
{
BroadcastMessage(MessageCommand.GetAddr);
}
Expand All @@ -170,6 +160,13 @@ protected override void OnReceive(object message)
base.OnReceive(message);
switch (message)
{
case GetSnapshot _:
Sender.Tell(new Snapshot
{
RemoteNodes = RemoteNodes,
UnconnectedPeers = UnconnectedPeers
});
break;
case Message msg:
BroadcastMessage(msg);
break;
Expand Down