Allow to load store from a specified path (neo-project#2172)

src/neo/NeoSystem.cs

@@ -22,6 +22,7 @@ public class NeoSystem : IDisposable
  internal IActorRef TaskManager { get; }
  public IActorRef Consensus { get; private set; }
 
+ private readonly string storage_engine;
  private readonly IStore store;
  private ChannelsConfig start_message = null;
  private bool suspend = false;
@@ -32,12 +33,11 @@ static NeoSystem()
  AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
  }
 
- public NeoSystem(string storageEngine = null)
+ public NeoSystem(string storageEngine = null, string storagePath = null)
  {
  Plugin.LoadPlugins(this);
- this.store = string.IsNullOrEmpty(storageEngine) || storageEngine == nameof(MemoryStore)
- ? new MemoryStore()
- : Plugin.Storages[storageEngine].GetStore();
+ this.storage_engine = storageEngine;
+ this.store = LoadStore(storagePath);
  this.Blockchain = ActorSystem.ActorOf(Ledger.Blockchain.Props(this, store));
  this.LocalNode = ActorSystem.ActorOf(Network.P2P.LocalNode.Props(this));
  this.TaskManager = ActorSystem.ActorOf(Network.P2P.TaskManager.Props(this));
@@ -69,6 +69,13 @@ public void EnsureStoped(IActorRef actor)
  inbox.Receive(TimeSpan.FromMinutes(5));
  }
 
+ public IStore LoadStore(string path)
+ {
+ return string.IsNullOrEmpty(storage_engine) || storage_engine == nameof(MemoryStore)
+ ? new MemoryStore()
+ : Plugin.Storages[storage_engine].GetStore(path);
+ }
+
  internal void ResumeNodeStartup()
  {
  suspend = false;

src/neo/Plugins/IStorageProvider.cs

@@ -4,6 +4,6 @@ namespace Neo.Plugins
 {
  public interface IStorageProvider
  {
- IStore GetStore();
+ IStore GetStore(string path);
  }
 }