public Chain(Chain copied, ObjectStream<ChainChange> changes)
{
if(changes == null)
changes = new StreamObjectStream<ChainChange>();
AssertEmpty(changes);
_Changes = changes;
copied.Changes.Rewind();
foreach(var change in copied.Changes.Enumerate())
{
if(_NextToProcess < copied._NextToProcess)
{
ProcessAndRecord(change, null);
}
else
{
_Changes.WriteNext(change);
}
}
}
private void NeutralizeUnconfirmed(Chain chain, Account account)
{
var unconfirmed = account.GetInChain(chain, false).Where(e => e.Reason != AccountEntryReason.ChainBlockChanged);
foreach(var e in unconfirmed)
{
account.PushAccountEntry(e.Neutralize());
}
var confirmedCanceled = account.GetInChain(chain, true).Where(e => e.Reason == AccountEntryReason.ChainBlockChanged);
foreach(var e in confirmedCanceled)
{
account.PushAccountEntry(e.Neutralize());
}
}
public void Update(Chain chain)
{
NeutralizeUnconfirmed(chain, Confirmed);
NeutralizeUnconfirmed(chain, Available);
}
public bool Update(Chain chain, IndexedBlockStore store)
{
if(_CurrentChain == null || !chain.SameTip(_CurrentChain))
{
List<ChainedBlock> unprocessed = null;
Accounts.Update(chain);
if(_CurrentChain == null)
{
_CurrentChain = chain.Clone(new StreamObjectStream<ChainChange>());
unprocessed = chain.ToEnumerable(false).ToList();
}
else
{
var fork = _CurrentChain.SetTip(chain.Tip);
unprocessed = _CurrentChain.EnumerateAfter(fork).ToList();
}
foreach(var block in unprocessed)
{
ReceiveBlock(store.Get(block.HashBlock));
}
return true;
}
return false;
}
//Do not get all entries, but only the one you can generate with spent/unspent.
public AccountEntry[] GetInChain(Chain chain, bool value)
{
Dictionary<OutPoint, AccountEntry> entries = new Dictionary<OutPoint, AccountEntry>();
foreach(var entry in AccountEntries)
{
if(entry.Block == null)
continue;
if(chain.Contains(entry.Block, false) == value)
{
if(entry.Reason == AccountEntryReason.Income && _Unspent.ContainsKey(entry.Spendable.OutPoint))
entries.AddOrReplace(entry.Spendable.OutPoint, entry);
if(entry.Reason == AccountEntryReason.ChainBlockChanged && !_Unspent.ContainsKey(entry.Spendable.OutPoint))
entries.AddOrReplace(entry.Spendable.OutPoint, entry);
}
}
return entries.Values.ToArray();
}
public Chain(Chain copied)
: this(copied, null)
{
}
public bool SameTip(Chain chain)
{
return(Tip.HashBlock == chain.Tip.HashBlock);
}
public ChainedBlock FindFork(Chain chain)
{
return(FindFork(chain.ToEnumerable(true).Select(o => o.HashBlock)));
}
public void CanDownloadChain()
{
using(var server = new NodeServer(Network.Main))
{
server.RegisterPeerTableRepository(PeerCache);
CancellationTokenSource cancel = new CancellationTokenSource();
StreamObjectStream<ChainChange> changes = new StreamObjectStream<ChainChange>(new MemoryStream());
var chain = new Chain(changes);
server.BuildChain(changes, cancel.Token);
}
}
//Do not get all entries, but only the one you can generate with spent/unspent.
public AccountEntry[] GetInChain(Chain chain, bool value)
{
List<AccountEntry> entries = new List<AccountEntry>();
foreach(var entry in AccountEntries.Where(e => e.Reason != AccountEntryReason.ChainBlockChanged))
{
if(entry.Block == null)
continue;
if(chain.Contains(entry.Block, false) == value)
{
entries.Add(entry);
}
}
return entries.ToArray();
}
public Chain(Chain copied)
: this(copied, null)
{
}
public bool SameTip(Chain chain)
{
return Tip.HashBlock == chain.Tip.HashBlock;
}
public ChainedBlock FindFork(Chain chain)
{
return FindFork(chain.ToEnumerable(true).Select(o => o.HashBlock));
}