public void UpdateLocalStateRoot(uint height, List <DataCache.Trackable> change_set)
{
using StateSnapshot state_snapshot = Singleton.GetSnapshot();
foreach (var item in change_set)
{
switch (item.State)
{
case TrackState.Added:
state_snapshot.Trie.Put(item.Key, item.Item);
break;
case TrackState.Changed:
state_snapshot.Trie.Put(item.Key, item.Item);
break;
case TrackState.Deleted:
state_snapshot.Trie.Delete(item.Key);
break;
}
}
UInt256 root_hash = state_snapshot.Trie.Root.Hash;
StateRoot state_root = new StateRoot
{
Index = height,
RootHash = root_hash,
Witness = null,
};
state_snapshot.AddLocalStateRoot(state_root);
state_snapshot.Commit();
UpdateCurrentSnapshot();
CheckValidatedStateRoot(height);
}
public void UpdateLocalStateRootSnapshot(uint height, List <DataCache.Trackable> change_set)
{
_state_snapshot = Singleton.GetSnapshot();
foreach (var item in change_set)
{
switch (item.State)
{
case TrackState.Added:
_state_snapshot.Trie.Put(item.Key, item.Item);
break;
case TrackState.Changed:
_state_snapshot.Trie.Put(item.Key, item.Item);
break;
case TrackState.Deleted:
_state_snapshot.Trie.Delete(item.Key);
break;
}
}
UInt256 root_hash = _state_snapshot.Trie.Root.Hash;
StateRoot state_root = new StateRoot
{
Version = StateRoot.CurrentVersion,
Index = height,
RootHash = root_hash,
Witness = null,
};
_state_snapshot.AddLocalStateRoot(state_root);
}
public void AddValidatedStateRoot(StateRoot state_root)
{
if (state_root?.Witness is null)
{
throw new ArgumentException(nameof(state_root) + " missing witness in invalidated state root");
}
snapshot.Put(Keys.StateRoot(state_root.Index), state_root.ToArray());
snapshot.Put(Keys.CurrentValidatedRootIndex, BitConverter.GetBytes(state_root.Index));
}
private void OnStatePayload(ExtensiblePayload payload)
{
StateRoot state_root = null;
try
{
state_root = payload.Data?.AsSerializable <StateRoot>();
}
catch (Exception ex)
{
Utility.Log(nameof(StateStore), LogLevel.Warning, " invalid state root " + ex.Message);
return;
}
if (state_root != null)
{
OnNewStateRoot(state_root);
}
}
private bool OnNewStateRoot(StateRoot state_root)
{
if (state_root?.Witness is null)
{
return(false);
}
if (ValidatedRootIndex != null && state_root.Index <= ValidatedRootIndex)
{
return(false);
}
if (LocalRootIndex is null)
{
throw new InvalidOperationException(nameof(StateStore) + " could not get local root index");
}
if (LocalRootIndex < state_root.Index && state_root.Index < LocalRootIndex + MaxCacheCount)
{
cache.Add(state_root.Index, state_root);
return(true);
}
using var state_snapshot = Singleton.GetSnapshot();
StateRoot local_root = state_snapshot.GetStateRoot(state_root.Index);
if (local_root is null || local_root.Witness != null)
{
return(false);
}
if (!state_root.Verify(StatePlugin.System.Settings, StatePlugin.System.StoreView))
{
return(false);
}
if (local_root.RootHash != state_root.RootHash)
{
return(false);
}
state_snapshot.AddValidatedStateRoot(state_root);
state_snapshot.Commit();
UpdateCurrentSnapshot();
system.Verifier?.Tell(new VerificationService.ValidatedRootPersisted {
Index = state_root.Index
});
return(true);
}
private bool OnNewStateRoot(StateRoot state_root)
{
if (state_root?.Witness is null)
{
return(false);
}
if (state_root.Index <= ValidatedRootIndex)
{
return(false);
}
if (LocalRootIndex < state_root.Index && state_root.Index < LocalRootIndex + MaxCacheCount)
{
cache.Add(state_root.Index, state_root);
return(true);
}
using var state_snapshot = Singleton.GetSnapshot();
StateRoot local_root = state_snapshot.GetStateRoot(state_root.Index);
if (local_root is null || local_root.Witness != null)
{
return(false);
}
using var snapshot = Blockchain.Singleton.GetSnapshot();
if (!state_root.Verify(snapshot))
{
return(false);
}
if (local_root.RootHash != state_root.RootHash)
{
return(false);
}
state_snapshot.AddValidatedStateRoot(state_root);
state_snapshot.Commit();
UpdateCurrentSnapshot();
//Tell validation service
return(true);
}
public void AddLocalStateRoot(StateRoot state_root)
{
snapshot.Put(Keys.StateRoot(state_root.Index), state_root.ToArray());
snapshot.Put(Keys.CurrentLocalRootIndex, BitConverter.GetBytes(state_root.Index));
}