public Blockchain(NeoSystem system, IStore store)
{
this.system = system;
this.MemPool = new MemoryPool(system, ProtocolSettings.Default.MemoryPoolMaxTransactions);
this.Store = store;
this.View = new ReadOnlyView(store);
lock (lockObj)
{
if (singleton != null)
{
throw new InvalidOperationException();
}
header_index.AddRange(View.HeaderHashList.Find().OrderBy(p => (uint)p.Key).SelectMany(p => p.Value.Hashes));
stored_header_count += (uint)header_index.Count;
if (stored_header_count == 0)
{
header_index.AddRange(View.Blocks.Find().OrderBy(p => p.Value.Index).Select(p => p.Key));
}
else
{
HashIndexState hashIndex = View.HeaderHashIndex.Get();
if (hashIndex.Index >= stored_header_count)
{
DataCache <UInt256, TrimmedBlock> cache = View.Blocks;
for (UInt256 hash = hashIndex.Hash; hash != header_index[(int)stored_header_count - 1];)
{
header_index.Insert((int)stored_header_count, hash);
hash = cache[hash].PrevHash;
}
}
}
if (header_index.Count == 0)
{
Persist(GenesisBlock);
}
else
{
UpdateCurrentSnapshot();
MemPool.LoadPolicy(currentSnapshot);
}
singleton = this;
}
}
public Blockchain(NeoSystem system, Store store)
{
this.system = system;
this.MemPool = new MemoryPool(system, MemoryPoolMaxTransactions);
this.Store = store;
lock (lockObj)
{
if (singleton != null)
{
throw new InvalidOperationException();
}
header_index.AddRange(store.GetHeaderHashList().Find().OrderBy(p => (uint)p.Key).SelectMany(p => p.Value.Hashes));
stored_header_count += (uint)header_index.Count;
if (stored_header_count == 0)
{
header_index.AddRange(store.GetBlocks().Find().OrderBy(p => p.Value.TrimmedBlock.Index).Select(p => p.Key));
}
else
{
HashIndexState hashIndex = store.GetHeaderHashIndex().Get();
if (hashIndex.Index >= stored_header_count)
{
DataCache <UInt256, BlockState> cache = store.GetBlocks();
for (UInt256 hash = hashIndex.Hash; hash != header_index[(int)stored_header_count - 1];)
{
header_index.Insert((int)stored_header_count, hash);
hash = cache[hash].TrimmedBlock.PrevHash;
}
}
}
if (header_index.Count == 0)
{
Persist(GenesisBlock);
}
else
{
UpdateCurrentSnapshot();
}
singleton = this;
}
}