public void WriteNext(ObjectStream <T> stream)
{
foreach (var o in stream.Enumerate())
{
WriteNext(o);
}
}
public void PushChanges(ObjectStream <ChainChange> changes)
{
foreach (var change in changes.Enumerate())
{
PushChange(change, null);
}
}
public PersistantChain(BlockHeader blockHeader, int height, ObjectStream <ChainChange> changes)
{
if (changes == null)
{
changes = new StreamObjectStream <ChainChange>();
}
_Changes = changes;
changes.Rewind();
if (changes.EOF)
{
Initialize(blockHeader, height);
}
else
{
var first = changes.ReadNext();
if (first.BlockHeader.GetHash() != blockHeader.GetHash())
{
throw new InvalidOperationException("The first block of this stream is different than the expected one at height " + height);
}
if (first.HeightOrBackstep != height)
{
throw new InvalidOperationException("The first block of this stream has height " + first.HeightOrBackstep + " but expected is " + height);
}
changes.Rewind();
Process();
}
}
public void PushAccountEntries(ObjectStream <AccountEntry> entries)
{
foreach (var entry in entries.Enumerate())
{
PushAccountEntry(entry);
}
}
private void AssertEmpty(ObjectStream <ChainChange> changes)
{
changes.Rewind();
if (!changes.EOF)
{
throw new ArgumentException("This object stream should be empty", "changes");
}
}
public Account(ObjectStream <AccountEntry> entries)
{
if (entries == null)
{
entries = new StreamObjectStream <AccountEntry>();
}
entries.Rewind();
_Entries = entries;
Process();
}
public PersistantChain(ObjectStream <ChainChange> changes)
{
if (changes == null)
{
changes = new StreamObjectStream <ChainChange>();
}
changes.Rewind();
_Changes = changes;
Process();
}
public Chain(BlockHeader blockHeader, int height, ObjectStream <ChainChange> changes)
{
if (changes == null)
{
changes = new StreamObjectStream <ChainChange>();
}
AssertEmpty(changes);
_Changes = changes;
Initialize(blockHeader, height);
}
public Account(Account copied, ObjectStream <AccountEntry> entries)
{
if (entries == null)
{
entries = new StreamObjectStream <AccountEntry>();
}
_Entries = entries;
copied.Entries.Rewind();
entries.Rewind();
foreach (var entry in copied.Entries.Enumerate())
{
if (_NextToProcess < copied._NextToProcess)
{
PushAccountEntry(entry);
}
else
{
entries.WriteNext(entry);
}
}
}
public PersistantChain(PersistantChain 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)
{
PushChange(change, null);
}
else
{
_Changes.WriteNext(change);
}
}
}
public PersistantChain CreateSubChain(ChainedBlock from,
bool fromIncluded,
ChainedBlock to,
bool toIncluded,
ObjectStream <ChainChange> output = null)
{
if (output == null)
{
output = new StreamObjectStream <ChainChange>();
}
var blocks
=
to.EnumerateToGenesis()
.Skip(toIncluded ? 0 : 1)
.TakeWhile(c => c.HashBlock != from.HashBlock);
if (fromIncluded)
{
blocks = blocks.Concat(new ChainedBlock[] { from });
}
var array = blocks.ToArray();
Array.Reverse(array);
foreach (var b in array)
{
output.WriteNext(new ChainChange()
{
ChangeType = ChainChangeType.SetTip,
BlockHeader = b.Header,
HeightOrBackstep = (uint)b.Height
});
}
return(new PersistantChain(output));
}
public Account Clone(ObjectStream <AccountEntry> entries)
{
return(new Account(this, entries));
}
public PersistantChain(Network network, ObjectStream <ChainChange> changes)
: this(network.GetGenesis().Header, changes)
{
}
public Chain Clone(ObjectStream <ChainChange> changes)
{
return(new Chain(this, changes));
}
public PersistantChain(BlockHeader genesis, ObjectStream <ChainChange> changes)
: this(genesis, 0, changes)
{
}
public Chain BuildChain(ObjectStream <ChainChange> changes)
{
Chain chain = new Chain(changes);
return(BuildChain(chain));
}
public PersistantChain Clone(ObjectStream <ChainChange> changes)
{
return(new PersistantChain(this, changes));
}
